diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-09-15 14:33:54 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-09-19 02:47:36 (GMT) |
commit | 02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b (patch) | |
tree | de8dbf798a2867a58d2108684e1aef76ec9bbfc0 /drivers | |
parent | 78f28b7c555359c67c2a0d23f7436e915329421e (diff) | |
download | linux-02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b.tar.xz |
V4L/DVB (12730): Add conexant cx25821 driver
GIT_BRANCH=devel
GIT_AUTHOR_DATE=1252851239
GIT_AUTHOR_NAME=Palash Bandyopadhyay
GIT_AUTHOR_EMAIL=Palash.Bandyopadhyay@conexant.com
Add conexant cx25821 driver release v106 of the Athena driver.
Signed-off-by: Palash Bandyopadhyay <palash.bandyopadhyay@conexant.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
37 files changed, 16790 insertions, 0 deletions
diff --git a/drivers/staging/cx25821/Kconfig b/drivers/staging/cx25821/Kconfig new file mode 100644 index 0000000..8887115 --- /dev/null +++ b/drivers/staging/cx25821/Kconfig @@ -0,0 +1,34 @@ +config VIDEO_CX25821 + tristate "Conexant cx25821 support" + depends on DVB_CORE && VIDEO_DEV && PCI && I2C && INPUT + select I2C_ALGOBIT + select VIDEO_BTCX + select VIDEO_TVEEPROM + select VIDEO_IR + select VIDEOBUF_DVB + select VIDEOBUF_DMA_SG + select VIDEO_CX25840 + select VIDEO_CX2341X + ---help--- + This is a video4linux driver for Conexant 25821 based + TV cards. + + To compile this driver as a module, choose M here: the + module will be called cx25821 + +config VIDEO_CX25821_ALSA + tristate "Conexant 25821 DMA audio support" + depends on VIDEO_CX25821 && SND && EXPERIMENTAL + select SND_PCM + ---help--- + This is a video4linux driver for direct (DMA) audio on + Conexant 25821 based capture cards using ALSA. + + It only works with boards with function 01 enabled. + To check if your board supports, use lspci -n. + If supported, you should see 14f1:8801 or 14f1:8811 + PCI device. + + To compile this driver as a module, choose M here: the + module will be called cx25821-alsa. + diff --git a/drivers/staging/cx25821/Makefile b/drivers/staging/cx25821/Makefile new file mode 100644 index 0000000..020d844 --- /dev/null +++ b/drivers/staging/cx25821/Makefile @@ -0,0 +1,15 @@ +cx25821-objs := cx25821-core.o cx25821-cards.o cx25821-i2c.o cx25821-gpio.o \ + cx25821-medusa-video.o cx25821-video.o cx25821-video0.o cx25821-video1.o \ + cx25821-video2.o cx25821-video3.o cx25821-video4.o cx25821-video5.o \ + cx25821-video6.o cx25821-video7.o cx25821-vidups9.o cx25821-vidups10.o \ + cx25821-audups11.o cx25821-video-upstream.o cx25821-video-upstream-ch2.o \ + cx25821-audio-upstream.o cx25821-videoioctl.o + +obj-$(CONFIG_VIDEO_CX25821) += cx25821.o +obj-$(CONFIG_VIDEO_CX25821_ALSA) += cx25821-alsa.o + +EXTRA_CFLAGS += -Idrivers/media/video +EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core +EXTRA_CFLAGS += -Idrivers/media/dvb/frontends + +EXTRA_CFLAGS += $(extra-cflags-y) $(extra-cflags-m) diff --git a/drivers/staging/cx25821/cx25821-alsa.c b/drivers/staging/cx25821/cx25821-alsa.c new file mode 100644 index 0000000..6b2e86a --- /dev/null +++ b/drivers/staging/cx25821/cx25821-alsa.c @@ -0,0 +1,791 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
+ * Based on SAA713x ALSA driver and CX88 driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+
+#include <linux/module.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/interrupt.h> +#include <linux/vmalloc.h> +#include <linux/dma-mapping.h> +#include <linux/pci.h> + +#include <asm/delay.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/control.h> +#include <sound/initval.h> +#include <sound/tlv.h> + + +#include "cx25821.h" +#include "cx25821-reg.h" + +#define AUDIO_SRAM_CHANNEL SRAM_CH08 + +#define dprintk(level,fmt, arg...) if (debug >= level) \ + printk(KERN_INFO "%s/1: " fmt, chip->dev->name , ## arg) + +#define dprintk_core(level,fmt, arg...) if (debug >= level) \ + printk(KERN_DEBUG "%s/1: " fmt, chip->dev->name , ## arg) + + +/**************************************************************************** + Data type declarations - Can be moded to a header file later + ****************************************************************************/ + + +static struct snd_card *snd_cx25821_cards[SNDRV_CARDS]; +static int devno; + +struct cx25821_audio_dev { + struct cx25821_dev *dev; + struct cx25821_dmaqueue q; + + /* pci i/o */ + struct pci_dev *pci; + + /* audio controls */ + int irq; + + struct snd_card *card; + + unsigned long iobase; + spinlock_t reg_lock; + atomic_t count; + + unsigned int dma_size; + unsigned int period_size; + unsigned int num_periods; + + struct videobuf_dmabuf *dma_risc; + + struct cx25821_buffer *buf; + + struct snd_pcm_substream *substream; +}; +typedef struct cx25821_audio_dev snd_cx25821_card_t; + + + +/**************************************************************************** + Module global static vars + ****************************************************************************/ + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 1}; + +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable cx25821 soundcard. default enabled."); + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for cx25821 capture interface(s)."); + + +/**************************************************************************** + Module macros + ****************************************************************************/ + +MODULE_DESCRIPTION("ALSA driver module for cx25821 based capture cards"); +MODULE_AUTHOR("Hiep Huynh"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{Conexant,25821}");//"{{Conexant,23881}," + +static unsigned int debug; +module_param(debug,int,0644); +MODULE_PARM_DESC(debug,"enable debug messages"); + +/**************************************************************************** + Module specific funtions + ****************************************************************************/ +/* Constants taken from cx88-reg.h */ +#define AUD_INT_DN_RISCI1 (1 << 0) +#define AUD_INT_UP_RISCI1 (1 << 1) +#define AUD_INT_RDS_DN_RISCI1 (1 << 2) +#define AUD_INT_DN_RISCI2 (1 << 4) /* yes, 3 is skipped */ +#define AUD_INT_UP_RISCI2 (1 << 5) +#define AUD_INT_RDS_DN_RISCI2 (1 << 6) +#define AUD_INT_DN_SYNC (1 << 12) +#define AUD_INT_UP_SYNC (1 << 13) +#define AUD_INT_RDS_DN_SYNC (1 << 14) +#define AUD_INT_OPC_ERR (1 << 16) +#define AUD_INT_BER_IRQ (1 << 20) +#define AUD_INT_MCHG_IRQ (1 << 21) +#define GP_COUNT_CONTROL_RESET 0x3 + +#define PCI_MSK_AUD_EXT (1 << 4) +#define PCI_MSK_AUD_INT (1 << 3) +/* + * BOARD Specific: Sets audio DMA + */ + +static int _cx25821_start_audio_dma(snd_cx25821_card_t *chip) +{ + struct cx25821_buffer *buf = chip->buf; + struct cx25821_dev * dev = chip->dev; + struct sram_channel *audio_ch = &cx25821_sram_channels[AUDIO_SRAM_CHANNEL]; + u32 tmp = 0; + + // enable output on the GPIO 0 for the MCLK ADC (Audio) + cx25821_set_gpiopin_direction( chip->dev, 0, 0 ); + + /* Make sure RISC/FIFO are off before changing FIFO/RISC settings */ + cx_clear(AUD_INT_DMA_CTL, FLD_AUD_DST_A_RISC_EN | FLD_AUD_DST_A_FIFO_EN ); + + /* setup fifo + format - out channel */ + cx25821_sram_channel_setup_audio(chip->dev, audio_ch, buf->bpl, buf->risc.dma); + + /* sets bpl size */ + cx_write(AUD_A_LNGTH, buf->bpl); + + /* reset counter */ + cx_write(AUD_A_GPCNT_CTL, GP_COUNT_CONTROL_RESET); //GP_COUNT_CONTROL_RESET = 0x3 + atomic_set(&chip->count, 0); + + //Set the input mode to 16-bit + tmp = cx_read(AUD_A_CFG); + cx_write(AUD_A_CFG, tmp | FLD_AUD_DST_PK_MODE | FLD_AUD_DST_ENABLE | FLD_AUD_CLK_ENABLE); + + //printk(KERN_INFO "DEBUG: Start audio DMA, %d B/line, cmds_start(0x%x)= %d lines/FIFO, %d periods, %d " + // "byte buffer\n", buf->bpl, audio_ch->cmds_start, cx_read(audio_ch->cmds_start + 12)>>1, + // chip->num_periods, buf->bpl * chip->num_periods); + + + /* Enables corresponding bits at AUD_INT_STAT */ + cx_write(AUD_A_INT_MSK, FLD_AUD_DST_RISCI1 | FLD_AUD_DST_OF | FLD_AUD_DST_SYNC | FLD_AUD_DST_OPC_ERR ); + + /* Clean any pending interrupt bits already set */ + cx_write(AUD_A_INT_STAT, ~0); + + /* enable audio irqs */ + cx_set(PCI_INT_MSK, chip->dev->pci_irqmask | PCI_MSK_AUD_INT); + + // Turn on audio downstream fifo and risc enable 0x101 + tmp = cx_read(AUD_INT_DMA_CTL); + cx_set(AUD_INT_DMA_CTL, tmp | (FLD_AUD_DST_A_RISC_EN | FLD_AUD_DST_A_FIFO_EN) ); + + mdelay(100); + return 0; +} + +/* + * BOARD Specific: Resets audio DMA + */ +static int _cx25821_stop_audio_dma(snd_cx25821_card_t *chip) +{ + struct cx25821_dev *dev = chip->dev; + + /* stop dma */ + cx_clear(AUD_INT_DMA_CTL, FLD_AUD_DST_A_RISC_EN | FLD_AUD_DST_A_FIFO_EN ); + + /* disable irqs */ + cx_clear(PCI_INT_MSK, PCI_MSK_AUD_INT); + cx_clear(AUD_A_INT_MSK, AUD_INT_OPC_ERR | AUD_INT_DN_SYNC | AUD_INT_DN_RISCI2 | AUD_INT_DN_RISCI1); + + return 0; +} + +#define MAX_IRQ_LOOP 50 + +/* + * BOARD Specific: IRQ dma bits + */ +static char *cx25821_aud_irqs[32] = { + "dn_risci1", "up_risci1", "rds_dn_risc1", /* 0-2 */ + NULL, /* reserved */ + "dn_risci2", "up_risci2", "rds_dn_risc2", /* 4-6 */ + NULL, /* reserved */ + "dnf_of", "upf_uf", "rds_dnf_uf", /* 8-10 */ + NULL, /* reserved */ + "dn_sync", "up_sync", "rds_dn_sync", /* 12-14 */ + NULL, /* reserved */ + "opc_err", "par_err", "rip_err", /* 16-18 */ + "pci_abort", "ber_irq", "mchg_irq" /* 19-21 */ +}; + +/* + * BOARD Specific: Threats IRQ audio specific calls + */ +static void cx25821_aud_irq(snd_cx25821_card_t *chip, u32 status, u32 mask) +{ + struct cx25821_dev *dev = chip->dev; + + if (0 == (status & mask)) + { + return; + } + + cx_write(AUD_A_INT_STAT, status); + if (debug > 1 || (status & mask & ~0xff)) + cx25821_print_irqbits(dev->name, "irq aud", + cx25821_aud_irqs, ARRAY_SIZE(cx25821_aud_irqs), + status, mask); + + /* risc op code error */ + if (status & AUD_INT_OPC_ERR) { + printk(KERN_WARNING "WARNING %s/1: Audio risc op code error\n",dev->name); + + cx_clear(AUD_INT_DMA_CTL, FLD_AUD_DST_A_RISC_EN | FLD_AUD_DST_A_FIFO_EN ); + cx25821_sram_channel_dump_audio(dev, &cx25821_sram_channels[AUDIO_SRAM_CHANNEL]); + } + if (status & AUD_INT_DN_SYNC) { + printk(KERN_WARNING "WARNING %s: Downstream sync error!\n",dev->name); + cx_write(AUD_A_GPCNT_CTL, GP_COUNT_CONTROL_RESET); + return; + } + + + /* risc1 downstream */ + if (status & AUD_INT_DN_RISCI1) { + atomic_set(&chip->count, cx_read(AUD_A_GPCNT)); + snd_pcm_period_elapsed(chip->substream); + } +} + + +/* + * BOARD Specific: Handles IRQ calls + */ +static irqreturn_t cx25821_irq(int irq, void *dev_id) +{ + snd_cx25821_card_t *chip = dev_id; + struct cx25821_dev *dev = chip->dev; + u32 status, pci_status; + u32 audint_status, audint_mask; + int loop, handled = 0; + int audint_count = 0; + + + audint_status = cx_read(AUD_A_INT_STAT); + audint_mask = cx_read(AUD_A_INT_MSK); + audint_count = cx_read(AUD_A_GPCNT); + status = cx_read(PCI_INT_STAT); + + for (loop = 0; loop < 1; loop++) + { + status = cx_read(PCI_INT_STAT); + if (0 == status) + { + status = cx_read(PCI_INT_STAT); + audint_status = cx_read(AUD_A_INT_STAT); + audint_mask = cx_read(AUD_A_INT_MSK); + + if (status) + { + handled = 1; + cx_write(PCI_INT_STAT, status); + + cx25821_aud_irq(chip, audint_status, audint_mask); + break; + } + else + goto out; + } + + handled = 1; + cx_write(PCI_INT_STAT, status); + + cx25821_aud_irq(chip, audint_status, audint_mask); + } + + pci_status = cx_read(PCI_INT_STAT); + + if (handled) + cx_write(PCI_INT_STAT, pci_status); + + out: + return IRQ_RETVAL(handled); +} + + +static int dsp_buffer_free(snd_cx25821_card_t *chip) +{ + BUG_ON(!chip->dma_size); + + dprintk(2,"Freeing buffer\n"); + videobuf_sg_dma_unmap(&chip->pci->dev, chip->dma_risc); + videobuf_dma_free(chip->dma_risc); + btcx_riscmem_free(chip->pci,&chip->buf->risc); + kfree(chip->buf); + + chip->dma_risc = NULL; + chip->dma_size = 0; + + return 0; +} + +/**************************************************************************** + ALSA PCM Interface + ****************************************************************************/ + +/* + * Digital hardware definition + */ +#define DEFAULT_FIFO_SIZE 384 +static struct snd_pcm_hardware snd_cx25821_digital_hw = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + /* Analog audio output will be full of clicks and pops if there + are not exactly four lines in the SRAM FIFO buffer. */ + .period_bytes_min = DEFAULT_FIFO_SIZE/3, + .period_bytes_max = DEFAULT_FIFO_SIZE/3, + .periods_min = 1, + .periods_max = AUDIO_LINE_SIZE, + .buffer_bytes_max = (AUDIO_LINE_SIZE*AUDIO_LINE_SIZE), //128*128 = 16384 = 1024 * 16 +}; + + + +/* + * audio pcm capture open callback + */ +static int snd_cx25821_pcm_open(struct snd_pcm_substream *substream) +{ + snd_cx25821_card_t *chip = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + int err; + unsigned int bpl = 0; + + if (!chip) { + printk(KERN_ERR "DEBUG: cx25821 can't find device struct." + " Can't proceed with open\n"); + return -ENODEV; + } + + err = snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_PERIODS); + if (err < 0) + goto _error; + + chip->substream = substream; + + runtime->hw = snd_cx25821_digital_hw; + + if (cx25821_sram_channels[AUDIO_SRAM_CHANNEL].fifo_size != DEFAULT_FIFO_SIZE) + { + bpl = cx25821_sram_channels[AUDIO_SRAM_CHANNEL].fifo_size / 3; //since there are 3 audio Clusters + bpl &= ~7; /* must be multiple of 8 */ + + if( bpl > AUDIO_LINE_SIZE ) + { + bpl = AUDIO_LINE_SIZE; + } + runtime->hw.period_bytes_min = bpl; + runtime->hw.period_bytes_max = bpl; + } + + return 0; +_error: + dprintk(1,"Error opening PCM!\n"); + return err; +} + +/* + * audio close callback + */ +static int snd_cx25821_close(struct snd_pcm_substream *substream) +{ + return 0; +} + +/* + * hw_params callback + */ +static int snd_cx25821_hw_params(struct snd_pcm_substream * substream, + struct snd_pcm_hw_params * hw_params) +{ + snd_cx25821_card_t *chip = snd_pcm_substream_chip(substream); + struct videobuf_dmabuf *dma; + + struct cx25821_buffer *buf; + int ret; + + if (substream->runtime->dma_area) { + dsp_buffer_free(chip); + substream->runtime->dma_area = NULL; + } + + + chip->period_size = params_period_bytes(hw_params); + chip->num_periods = params_periods(hw_params); + chip->dma_size = chip->period_size * params_periods(hw_params); + + BUG_ON(!chip->dma_size); + BUG_ON(chip->num_periods & (chip->num_periods-1)); + + buf = videobuf_sg_alloc(sizeof(*buf)); + if (NULL == buf) + return -ENOMEM; + + + if( chip->period_size > AUDIO_LINE_SIZE ) + { + chip->period_size = AUDIO_LINE_SIZE; + } + + + buf->vb.memory = V4L2_MEMORY_MMAP; + buf->vb.field = V4L2_FIELD_NONE; + buf->vb.width = chip->period_size; + buf->bpl = chip->period_size; + buf->vb.height = chip->num_periods; + buf->vb.size = chip->dma_size; + + dma = videobuf_to_dma(&buf->vb); + videobuf_dma_init(dma); + + ret = videobuf_dma_init_kernel(dma, PCI_DMA_FROMDEVICE, + (PAGE_ALIGN(buf->vb.size) >> PAGE_SHIFT)); + if (ret < 0) + goto error; + + ret = videobuf_sg_dma_map(&chip->pci->dev, dma); + if (ret < 0) + goto error; + + + ret = cx25821_risc_databuffer_audio(chip->pci, &buf->risc, dma->sglist, buf->vb.width, buf->vb.height, 1); + if (ret < 0) + { + printk(KERN_INFO "DEBUG: ERROR after cx25821_risc_databuffer_audio() \n"); + goto error; + } + + + /* Loop back to start of program */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP|RISC_IRQ1|RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + buf->vb.state = VIDEOBUF_PREPARED; + + chip->buf = buf; + chip->dma_risc = dma; + + substream->runtime->dma_area = chip->dma_risc->vmalloc; + substream->runtime->dma_bytes = chip->dma_size; + substream->runtime->dma_addr = 0; + + return 0; + +error: + kfree(buf); + return ret; +} + +/* + * hw free callback + */ +static int snd_cx25821_hw_free(struct snd_pcm_substream * substream) +{ + snd_cx25821_card_t *chip = snd_pcm_substream_chip(substream); + + if (substream->runtime->dma_area) { + dsp_buffer_free(chip); + substream->runtime->dma_area = NULL; + } + + return 0; +} + +/* + * prepare callback + */ +static int snd_cx25821_prepare(struct snd_pcm_substream *substream) +{ + return 0; +} + +/* + * trigger callback + */ +static int snd_cx25821_card_trigger(struct snd_pcm_substream *substream, int cmd) +{ + snd_cx25821_card_t *chip = snd_pcm_substream_chip(substream); + int err = 0; + + /* Local interrupts are already disabled by ALSA */ + spin_lock(&chip->reg_lock); + + switch (cmd) + { + case SNDRV_PCM_TRIGGER_START: + err = _cx25821_start_audio_dma(chip); + break; + case SNDRV_PCM_TRIGGER_STOP: + err = _cx25821_stop_audio_dma(chip); + break; + default: + err = -EINVAL; + break; + } + + spin_unlock(&chip->reg_lock); + + return err; +} + +/* + * pointer callback + */ +static snd_pcm_uframes_t snd_cx25821_pointer(struct snd_pcm_substream *substream) +{ + snd_cx25821_card_t *chip = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + u16 count; + + count = atomic_read(&chip->count); + + return runtime->period_size * (count & (runtime->periods-1)); +} + +/* + * page callback (needed for mmap) + */ +static struct page *snd_cx25821_page(struct snd_pcm_substream *substream, + unsigned long offset) +{ + void *pageptr = substream->runtime->dma_area + offset; + + return vmalloc_to_page(pageptr); +} + +/* + * operators + */ +static struct snd_pcm_ops snd_cx25821_pcm_ops = { + .open = snd_cx25821_pcm_open, + .close = snd_cx25821_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_cx25821_hw_params, + .hw_free = snd_cx25821_hw_free, + .prepare = snd_cx25821_prepare, + .trigger = snd_cx25821_card_trigger, + .pointer = snd_cx25821_pointer, + .page = snd_cx25821_page, +}; + + +/* + * ALSA create a PCM device: Called when initializing the board. Sets up the name and hooks up + * the callbacks + */ +static int snd_cx25821_pcm(snd_cx25821_card_t *chip, int device, char *name) +{ + struct snd_pcm *pcm; + int err; + + err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm); + if (err < 0) + { + printk(KERN_INFO "ERROR: FAILED snd_pcm_new() in %s\n", __func__); + return err; + } + pcm->private_data = chip; + pcm->info_flags = 0; + strcpy(pcm->name, name); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cx25821_pcm_ops); + + return 0; +} + + +/**************************************************************************** + Basic Flow for Sound Devices + ****************************************************************************/ + +/* + * PCI ID Table - 14f1:8801 and 14f1:8811 means function 1: Audio + * Only boards with eeprom and byte 1 at eeprom=1 have it + */ + +static struct pci_device_id cx25821_audio_pci_tbl[] __devinitdata = { + {0x14f1,0x0920,PCI_ANY_ID,PCI_ANY_ID,0,0,0}, + {0, } +}; +MODULE_DEVICE_TABLE(pci, cx25821_audio_pci_tbl); + +/*
+ * Not used in the function snd_cx25821_dev_free so removing
+ * from the file.
+ */
+/* +static int snd_cx25821_free(snd_cx25821_card_t *chip) +{ + if (chip->irq >= 0) + free_irq(chip->irq, chip); + + cx25821_dev_unregister(chip->dev); + pci_disable_device(chip->pci); + + return 0; +} +*/
+ +/* + * Component Destructor + */ +static void snd_cx25821_dev_free(struct snd_card * card) +{ + snd_cx25821_card_t *chip = card->private_data; + + //snd_cx25821_free(chip); + snd_card_free(chip->card); +} + + +/* + * Alsa Constructor - Component probe + */ +static int cx25821_audio_initdev(struct cx25821_dev *dev) +{ + struct snd_card *card; + snd_cx25821_card_t *chip; + int err; + + if (devno >= SNDRV_CARDS) + { + printk(KERN_INFO "DEBUG ERROR: devno >= SNDRV_CARDS %s\n", __func__); + return (-ENODEV); + } + + if (!enable[devno]) { + ++devno; + printk(KERN_INFO "DEBUG ERROR: !enable[devno] %s\n", __func__); + return (-ENOENT); + } + + card = snd_card_new(index[devno], id[devno], THIS_MODULE, sizeof(snd_cx25821_card_t)); + if (!card) + { + printk(KERN_INFO "DEBUG ERROR: cannot create snd_card_new in %s\n", __func__); + return (-ENOMEM); + } + + strcpy(card->driver, "cx25821"); + + /* Card "creation" */ + card->private_free = snd_cx25821_dev_free; + chip = (snd_cx25821_card_t *) card->private_data; + spin_lock_init(&chip->reg_lock); + + chip->dev = dev; + chip->card = card; + chip->pci = dev->pci; + chip->iobase = pci_resource_start(dev->pci, 0); + + + chip->irq = dev->pci->irq; + + err = request_irq(dev->pci->irq, cx25821_irq, + IRQF_SHARED | IRQF_DISABLED, chip->dev->name, chip); + + if (err < 0) { + printk(KERN_ERR "ERROR %s: can't get IRQ %d for ALSA\n", chip->dev->name, dev->pci->irq); + goto error; + } + + + if ((err = snd_cx25821_pcm(chip, 0, "cx25821 Digital")) < 0) + { + printk(KERN_INFO "DEBUG ERROR: cannot create snd_cx25821_pcm %s\n", __func__); + goto error; + } + + snd_card_set_dev(card, &chip->pci->dev); + + + strcpy(card->shortname, "cx25821"); + sprintf(card->longname, "%s at 0x%lx irq %d", chip->dev->name, chip->iobase, chip->irq); + strcpy (card->mixername, "CX25821"); + + printk(KERN_INFO "%s/%i: ALSA support for cx25821 boards\n", card->driver, devno); + + err = snd_card_register(card); + if (err < 0) + { + printk(KERN_INFO "DEBUG ERROR: cannot register sound card %s\n", __func__); + goto error; + } + + snd_cx25821_cards[devno] = card; + + devno++; + return 0; + +error: + snd_card_free(card); + return err; +} + + +/**************************************************************************** + LINUX MODULE INIT + ****************************************************************************/ +static void cx25821_audio_fini(void) +{ + snd_card_free(snd_cx25821_cards[0]); +} + +/* + * Module initializer + * + * Loops through present saa7134 cards, and assigns an ALSA device + * to each one + * + */ +static int cx25821_alsa_init(void) +{ + struct cx25821_dev *dev = NULL; + struct list_head *list; + + list_for_each(list,&cx25821_devlist) { + dev = list_entry(list, struct cx25821_dev, devlist); + cx25821_audio_initdev(dev); + } + + if (dev == NULL) + printk(KERN_INFO "cx25821 ERROR ALSA: no cx25821 cards found\n"); + + return 0; + +} + +late_initcall(cx25821_alsa_init); +module_exit(cx25821_audio_fini); + +/* ----------------------------------------------------------- */ +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ diff --git a/drivers/staging/cx25821/cx25821-audio-upstream.c b/drivers/staging/cx25821/cx25821-audio-upstream.c new file mode 100644 index 0000000..9138767 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-audio-upstream.c @@ -0,0 +1,825 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <hiep.huynh@conexant.com>, <shu.lin@conexant.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+#include "cx25821-video.h"
+#include "cx25821-audio-upstream.h"
+
+#include <linux/fs.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/syscalls.h>
+#include <linux/file.h>
+#include <linux/fcntl.h>
+#include <linux/delay.h>
+#include <asm/uaccess.h>
+
+
+MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards");
+MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>");
+MODULE_LICENSE("GPL");
+
+
+static int _intr_msk = FLD_AUD_SRC_RISCI1 | FLD_AUD_SRC_OF | FLD_AUD_SRC_SYNC | FLD_AUD_SRC_OPC_ERR;
+
+
+int cx25821_sram_channel_setup_upstream_audio(struct cx25821_dev *dev,
+ struct sram_channel *ch,
+ unsigned int bpl, u32 risc)
+{
+ unsigned int i, lines;
+ u32 cdt;
+
+
+ if (ch->cmds_start == 0) {
+ cx_write(ch->ptr1_reg, 0);
+ cx_write(ch->ptr2_reg, 0);
+ cx_write(ch->cnt2_reg, 0);
+ cx_write(ch->cnt1_reg, 0);
+ return 0;
+ }
+
+ bpl = (bpl + 7) & ~7; /* alignment */
+ cdt = ch->cdt;
+ lines = ch->fifo_size / bpl;
+
+ if (lines > 3)
+ {
+ lines = 3;
+ }
+
+ BUG_ON(lines < 2);
+
+
+ /* write CDT */
+ for (i = 0; i < lines; i++) {
+ cx_write(cdt + 16*i, ch->fifo_start + bpl*i);
+ cx_write(cdt + 16*i + 4, 0);
+ cx_write(cdt + 16*i + 8, 0);
+ cx_write(cdt + 16*i + 12, 0);
+ }
+
+ /* write CMDS */
+ cx_write(ch->cmds_start + 0, risc);
+
+ cx_write(ch->cmds_start + 4, 0);
+ cx_write(ch->cmds_start + 8, cdt);
+ cx_write(ch->cmds_start + 12, AUDIO_CDT_SIZE_QW);
+ cx_write(ch->cmds_start + 16, ch->ctrl_start);
+
+ //IQ size
+ cx_write(ch->cmds_start + 20, AUDIO_IQ_SIZE_DW);
+
+ for (i = 24; i < 80; i += 4)
+ cx_write(ch->cmds_start + i, 0);
+
+ /* fill registers */
+ cx_write(ch->ptr1_reg, ch->fifo_start);
+ cx_write(ch->ptr2_reg, cdt);
+ cx_write(ch->cnt2_reg, AUDIO_CDT_SIZE_QW);
+ cx_write(ch->cnt1_reg, AUDIO_CLUSTER_SIZE_QW - 1);
+
+ return 0;
+}
+
+
+static __le32 *cx25821_risc_field_upstream_audio( struct cx25821_dev *dev, __le32 *rp,
+ dma_addr_t databuf_phys_addr,
+ unsigned int bpl, int fifo_enable)
+{
+ unsigned int line;
+ struct sram_channel *sram_ch = &dev->sram_channels[dev->_audio_upstream_channel_select];
+ int offset = 0;
+
+
+ /* scan lines */
+ for (line = 0; line < LINES_PER_AUDIO_BUFFER; line++)
+ {
+ *(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl);
+ *(rp++) = cpu_to_le32(databuf_phys_addr + offset);
+ *(rp++) = cpu_to_le32(0); /* bits 63-32 */
+
+ // Check if we need to enable the FIFO after the first 3 lines
+ // For the upstream audio channel, the risc engine will enable the FIFO.
+ if ( fifo_enable && line == 2 )
+ {
+ *(rp++) = RISC_WRITECR;
+ *(rp++) = sram_ch->dma_ctl;
+ *(rp++) = sram_ch->fld_aud_fifo_en;
+ *(rp++) = 0x00000020;
+ }
+
+ offset += AUDIO_LINE_SIZE;
+ }
+
+ return rp;
+}
+
+int cx25821_risc_buffer_upstream_audio( struct cx25821_dev *dev,
+ struct pci_dev *pci,
+ unsigned int bpl, unsigned int lines)
+{
+ __le32 *rp;
+ int fifo_enable = 0;
+ int frame = 0, i = 0;
+ int frame_size = AUDIO_DATA_BUF_SZ;
+ int databuf_offset = 0;
+ int risc_flag = RISC_CNT_INC;
+ dma_addr_t risc_phys_jump_addr;
+
+
+ /* Virtual address of Risc buffer program */
+ rp = dev->_risc_virt_addr;
+
+ /* sync instruction */
+ *(rp++) = cpu_to_le32(RISC_RESYNC | AUDIO_SYNC_LINE);
+
+
+ for( frame = 0; frame < NUM_AUDIO_FRAMES; frame++ )
+ {
+ databuf_offset = frame_size * frame;
+
+ if( frame == 0 )
+ {
+ fifo_enable = 1;
+ risc_flag = RISC_CNT_RESET;
+ }
+ else
+ {
+ fifo_enable = 0;
+ risc_flag = RISC_CNT_INC;
+ }
+
+ //Calculate physical jump address
+ if( (frame+1) == NUM_AUDIO_FRAMES )
+ {
+ risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE;
+ }
+ else
+ {
+ risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE + AUDIO_RISC_DMA_BUF_SIZE*(frame+1);
+ }
+
+ rp = cx25821_risc_field_upstream_audio(dev, rp, dev->_audiodata_buf_phys_addr+databuf_offset, bpl, fifo_enable);
+
+
+ if( USE_RISC_NOOP_AUDIO )
+ {
+ for( i = 0; i < NUM_NO_OPS; i++ )
+ {
+ *(rp++) = cpu_to_le32(RISC_NOOP);
+ }
+ }
+
+
+ // Loop to (Nth)FrameRISC or to Start of Risc program & generate IRQ
+ *(rp++) = cpu_to_le32(RISC_JUMP|RISC_IRQ1|risc_flag);
+ *(rp++) = cpu_to_le32(risc_phys_jump_addr);
+ *(rp++) = cpu_to_le32(0);
+
+ //Recalculate virtual address based on frame index
+ rp = dev->_risc_virt_addr + RISC_SYNC_INSTRUCTION_SIZE/4 + (AUDIO_RISC_DMA_BUF_SIZE*(frame+1)/4 ) ;
+ }
+
+ return 0;
+}
+
+
+void cx25821_free_memory_audio(struct cx25821_dev *dev)
+{
+ if (dev->_risc_virt_addr)
+ {
+ pci_free_consistent(dev->pci, dev->_audiorisc_size, dev->_risc_virt_addr, dev->_risc_phys_addr);
+ dev->_risc_virt_addr = NULL;
+ }
+
+ if (dev->_audiodata_buf_virt_addr)
+ {
+ pci_free_consistent(dev->pci, dev->_audiodata_buf_size, dev->_audiodata_buf_virt_addr, dev->_audiodata_buf_phys_addr);
+ dev->_audiodata_buf_virt_addr = NULL;
+ }
+}
+
+void cx25821_stop_upstream_audio(struct cx25821_dev *dev)
+{
+ struct sram_channel *sram_ch = &dev->sram_channels[AUDIO_UPSTREAM_SRAM_CHANNEL_B];
+ u32 tmp = 0;
+
+ if( !dev->_audio_is_running )
+ {
+ printk("cx25821: No audio file is currently running so return!\n");
+ return;
+ }
+
+ //Disable RISC interrupts
+ cx_write( sram_ch->int_msk, 0 );
+
+ //Turn OFF risc and fifo enable in AUD_DMA_CNTRL
+ tmp = cx_read( sram_ch->dma_ctl );
+ cx_write( sram_ch->dma_ctl, tmp & ~(sram_ch->fld_aud_fifo_en | sram_ch->fld_aud_risc_en) );
+
+ //Clear data buffer memory
+ if( dev->_audiodata_buf_virt_addr )
+ memset( dev->_audiodata_buf_virt_addr, 0, dev->_audiodata_buf_size );
+
+ dev->_audio_is_running = 0;
+ dev->_is_first_audio_frame = 0;
+ dev->_audioframe_count = 0;
+ dev->_audiofile_status = END_OF_FILE;
+
+ if( dev->_irq_audio_queues )
+ {
+ kfree(dev->_irq_audio_queues);
+ dev->_irq_audio_queues = NULL;
+ }
+
+ if( dev->_audiofilename != NULL )
+ kfree(dev->_audiofilename);
+}
+
+
+void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev)
+{
+ if( dev->_audio_is_running )
+ {
+ cx25821_stop_upstream_audio(dev);
+ }
+
+ cx25821_free_memory_audio(dev);
+}
+
+
+int cx25821_get_audio_data(struct cx25821_dev *dev, struct sram_channel *sram_ch )
+{
+ struct file * myfile;
+ int frame_index_temp = dev->_audioframe_index;
+ int i = 0;
+ int line_size = AUDIO_LINE_SIZE;
+ int frame_size = AUDIO_DATA_BUF_SZ;
+ int frame_offset = frame_size * frame_index_temp;
+ ssize_t vfs_read_retval = 0;
+ char mybuf[line_size];
+ loff_t file_offset = dev->_audioframe_count * frame_size;
+ loff_t pos;
+ mm_segment_t old_fs;
+
+
+ if( dev->_audiofile_status == END_OF_FILE )
+ return 0;
+
+ myfile = filp_open( dev->_audiofilename, O_RDONLY | O_LARGEFILE, 0 );
+
+
+ if (IS_ERR(myfile))
+ {
+ const int open_errno = -PTR_ERR(myfile);
+ printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_audiofilename, open_errno);
+ return PTR_ERR(myfile);
+ }
+ else
+ {
+ if( !(myfile->f_op) )
+ {
+ printk("%s: File has no file operations registered!\n", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+
+ if( !myfile->f_op->read )
+ {
+ printk("%s: File has no READ operations registered! \n", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+ pos = myfile->f_pos;
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+
+
+ for( i = 0; i < dev->_audio_lines_count; i++ )
+ {
+ pos = file_offset;
+
+ vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos);
+
+
+ if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_audiodata_buf_virt_addr != NULL )
+ {
+ memcpy( (void*)(dev->_audiodata_buf_virt_addr+frame_offset/4), mybuf, vfs_read_retval);
+ }
+
+ file_offset += vfs_read_retval;
+ frame_offset += vfs_read_retval;
+
+ if( vfs_read_retval < line_size )
+ {
+ printk(KERN_INFO "Done: exit %s() since no more bytes to read from Audio file.\n", __func__ );
+ break;
+ }
+ }
+
+ if( i > 0 )
+ dev->_audioframe_count++;
+
+ dev->_audiofile_status = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;
+
+
+ set_fs(old_fs);
+ filp_close(myfile, NULL);
+ }
+
+ return 0;
+}
+
+static void cx25821_audioups_handler(struct work_struct *work)
+{
+ struct cx25821_dev *dev = container_of(work, struct cx25821_dev, _audio_work_entry);
+
+ if( !dev )
+ {
+ printk("ERROR %s(): since container_of(work_struct) FAILED! \n", __func__ );
+ return;
+ }
+
+ cx25821_get_audio_data( dev, &dev->sram_channels[dev->_audio_upstream_channel_select] );
+}
+
+int cx25821_openfile_audio(struct cx25821_dev *dev, struct sram_channel *sram_ch)
+{
+ struct file * myfile;
+ int i = 0, j = 0;
+ int line_size = AUDIO_LINE_SIZE;
+ ssize_t vfs_read_retval = 0;
+ char mybuf[line_size];
+ loff_t pos;
+ loff_t offset = (unsigned long)0;
+ mm_segment_t old_fs;
+
+
+ myfile = filp_open( dev->_audiofilename, O_RDONLY | O_LARGEFILE, 0 );
+
+
+ if (IS_ERR(myfile))
+ {
+ const int open_errno = -PTR_ERR(myfile);
+ printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_audiofilename, open_errno);
+ return PTR_ERR(myfile);
+ }
+ else
+ {
+ if( !(myfile->f_op) )
+ {
+ printk("%s: File has no file operations registered! \n", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+
+ if( !myfile->f_op->read )
+ {
+ printk("%s: File has no READ operations registered! \n", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+ pos = myfile->f_pos;
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+
+
+ for( j = 0; j < NUM_AUDIO_FRAMES; j++ )
+ {
+ for( i = 0; i < dev->_audio_lines_count; i++ )
+ {
+ pos = offset;
+
+ vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos);
+
+
+ if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_audiodata_buf_virt_addr != NULL )
+ {
+ memcpy( (void*)(dev->_audiodata_buf_virt_addr+offset/4), mybuf, vfs_read_retval);
+ }
+
+ offset += vfs_read_retval;
+
+ if( vfs_read_retval < line_size )
+ {
+ printk(KERN_INFO "Done: exit %s() since no more bytes to read from Audio file.\n", __func__ );
+ break;
+ }
+ }
+
+ if( i > 0 )
+ {
+ dev->_audioframe_count++;
+ }
+
+ if( vfs_read_retval < line_size )
+ {
+ break;
+ }
+ }
+
+ dev->_audiofile_status = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;
+
+ set_fs(old_fs);
+ myfile->f_pos = 0;
+ filp_close(myfile, NULL);
+ }
+
+ return 0;
+}
+
+static int cx25821_audio_upstream_buffer_prepare(struct cx25821_dev *dev,
+ struct sram_channel *sram_ch,
+ int bpl)
+{
+ int ret = 0;
+ dma_addr_t dma_addr;
+ dma_addr_t data_dma_addr;
+
+
+ cx25821_free_memory_audio(dev);
+
+ dev->_risc_virt_addr = pci_alloc_consistent(dev->pci, dev->audio_upstream_riscbuf_size, &dma_addr);
+ dev->_risc_virt_start_addr = dev->_risc_virt_addr;
+ dev->_risc_phys_start_addr = dma_addr;
+ dev->_risc_phys_addr = dma_addr;
+ dev->_audiorisc_size = dev->audio_upstream_riscbuf_size;
+
+
+ if (!dev->_risc_virt_addr)
+ {
+ printk("cx25821 ERROR: pci_alloc_consistent() FAILED to allocate memory for RISC program! Returning.\n");
+ return -ENOMEM;
+ }
+
+ //Clear out memory at address
+ memset( dev->_risc_virt_addr, 0, dev->_audiorisc_size );
+
+
+ //For Audio Data buffer allocation
+ dev->_audiodata_buf_virt_addr = pci_alloc_consistent(dev->pci, dev->audio_upstream_databuf_size, &data_dma_addr);
+ dev->_audiodata_buf_phys_addr = data_dma_addr;
+ dev->_audiodata_buf_size = dev->audio_upstream_databuf_size;
+
+ if (!dev->_audiodata_buf_virt_addr)
+ {
+ printk("cx25821 ERROR: pci_alloc_consistent() FAILED to allocate memory for data buffer! Returning. \n");
+ return -ENOMEM;
+ }
+
+ //Clear out memory at address
+ memset( dev->_audiodata_buf_virt_addr, 0, dev->_audiodata_buf_size );
+
+
+ ret = cx25821_openfile_audio(dev, sram_ch);
+ if( ret < 0 )
+ return ret;
+
+
+ //Creating RISC programs
+ ret = cx25821_risc_buffer_upstream_audio(dev, dev->pci, bpl, dev->_audio_lines_count );
+ if (ret < 0)
+ {
+ printk(KERN_DEBUG "cx25821 ERROR creating audio upstream RISC programs! \n");
+ goto error;
+ }
+
+ return 0;
+
+error:
+ return ret;
+}
+
+int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num, u32 status)
+{
+ int i = 0;
+ u32 int_msk_tmp;
+ struct sram_channel *channel = &dev->sram_channels[chan_num];
+ dma_addr_t risc_phys_jump_addr;
+ __le32 * rp;
+
+
+ if (status & FLD_AUD_SRC_RISCI1)
+ {
+ //Get interrupt_index of the program that interrupted
+ u32 prog_cnt = cx_read( channel->gpcnt );
+
+ //Since we've identified our IRQ, clear our bits from the interrupt mask and interrupt status registers
+ cx_write(channel->int_msk, 0);
+ cx_write(channel->int_stat, cx_read(channel->int_stat) );
+
+ spin_lock(&dev->slock);
+
+
+ while(prog_cnt != dev->_last_index_irq)
+ {
+ //Update _last_index_irq
+ if(dev->_last_index_irq < (NUMBER_OF_PROGRAMS-1))
+ {
+ dev->_last_index_irq++;
+ }
+ else
+ {
+ dev->_last_index_irq = 0;
+ }
+
+ dev->_audioframe_index = dev->_last_index_irq;
+
+ queue_work(dev->_irq_audio_queues, &dev->_audio_work_entry);
+ }
+
+
+ if ( dev->_is_first_audio_frame )
+ {
+ dev->_is_first_audio_frame = 0;
+
+ if( dev->_risc_virt_start_addr != NULL )
+ {
+ risc_phys_jump_addr = dev->_risc_phys_start_addr + RISC_SYNC_INSTRUCTION_SIZE + AUDIO_RISC_DMA_BUF_SIZE;
+
+ rp = cx25821_risc_field_upstream_audio(dev, dev->_risc_virt_start_addr+1, dev->_audiodata_buf_phys_addr, AUDIO_LINE_SIZE, FIFO_DISABLE);
+
+ if( USE_RISC_NOOP_AUDIO )
+ {
+ for( i = 0; i < NUM_NO_OPS; i++ )
+ {
+ *(rp++) = cpu_to_le32(RISC_NOOP);
+ }
+ }
+
+ // Jump to 2nd Audio Frame
+ *(rp++) = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_RESET);
+ *(rp++) = cpu_to_le32(risc_phys_jump_addr);
+ *(rp++) = cpu_to_le32(0);
+ }
+ }
+
+ spin_unlock(&dev->slock);
+ }
+ else
+ {
+ if(status & FLD_AUD_SRC_OF)
+ printk("%s: Audio Received Overflow Error Interrupt!\n", __func__);
+
+ if(status & FLD_AUD_SRC_SYNC)
+ printk("%s: Audio Received Sync Error Interrupt!\n", __func__);
+
+ if(status & FLD_AUD_SRC_OPC_ERR)
+ printk("%s: Audio Received OpCode Error Interrupt!\n", __func__);
+
+ // Read and write back the interrupt status register to clear our bits
+ cx_write(channel->int_stat, cx_read(channel->int_stat) );
+ }
+
+
+ if( dev->_audiofile_status == END_OF_FILE )
+ {
+ printk("cx25821: EOF Channel Audio Framecount = %d\n", dev->_audioframe_count );
+ return -1;
+ }
+
+ //ElSE, set the interrupt mask register, re-enable irq.
+ int_msk_tmp = cx_read( channel->int_msk );
+ cx_write( channel->int_msk, int_msk_tmp |= _intr_msk );
+
+ return 0;
+}
+
+static irqreturn_t cx25821_upstream_irq_audio(int irq, void *dev_id)
+{
+ struct cx25821_dev *dev = dev_id;
+ u32 msk_stat, audio_status;
+ int handled = 0;
+ struct sram_channel *sram_ch;
+
+
+ if( !dev )
+ return -1;
+
+
+ sram_ch = &dev->sram_channels[dev->_audio_upstream_channel_select];
+
+ msk_stat = cx_read(sram_ch->int_mstat);
+ audio_status = cx_read(sram_ch->int_stat);
+
+ // Only deal with our interrupt
+ if(audio_status)
+ {
+ handled = cx25821_audio_upstream_irq(dev, dev->_audio_upstream_channel_select, audio_status);
+ }
+
+
+ if( handled < 0 )
+ {
+ cx25821_stop_upstream_audio(dev);
+ }
+ else
+ {
+ handled += handled;
+ }
+
+ return IRQ_RETVAL(handled);
+}
+
+
+static void cx25821_wait_fifo_enable(struct cx25821_dev *dev, struct sram_channel *sram_ch)
+{
+ int count = 0;
+ u32 tmp;
+
+ do
+ {
+ //Wait 10 microsecond before checking to see if the FIFO is turned ON.
+ udelay(10);
+
+ tmp = cx_read( sram_ch->dma_ctl );
+
+ if(count++ > 1000) //10 millisecond timeout
+ {
+ printk("cx25821 ERROR: %s() fifo is NOT turned on. Timeout!\n", __func__);
+ return;
+ }
+
+ } while( !(tmp & sram_ch->fld_aud_fifo_en) );
+
+}
+
+
+int cx25821_start_audio_dma_upstream(struct cx25821_dev *dev,
+ struct sram_channel *sram_ch)
+{
+ u32 tmp = 0;
+ int err = 0;
+
+
+ // Set the physical start address of the RISC program in the initial program counter(IPC) member of the CMDS.
+ cx_write(sram_ch->cmds_start + 0, dev->_risc_phys_addr);
+ cx_write(sram_ch->cmds_start + 4, 0); /* Risc IPC High 64 bits 63-32 */
+
+
+ /* reset counter */
+ cx_write(sram_ch->gpcnt_ctl, 3);
+
+ //Set the line length (It looks like we do not need to set the line length)
+ cx_write(sram_ch->aud_length, AUDIO_LINE_SIZE & FLD_AUD_DST_LN_LNGTH);
+
+ //Set the input mode to 16-bit
+ tmp = cx_read( sram_ch->aud_cfg );
+ tmp |= FLD_AUD_SRC_ENABLE | FLD_AUD_DST_PK_MODE | FLD_AUD_CLK_ENABLE | FLD_AUD_MASTER_MODE | FLD_AUD_CLK_SELECT_PLL_D | FLD_AUD_SONY_MODE;
+ cx_write( sram_ch->aud_cfg, tmp );
+
+ // Read and write back the interrupt status register to clear it
+ tmp = cx_read( sram_ch->int_stat);
+ cx_write( sram_ch->int_stat, tmp);
+
+ // Clear our bits from the interrupt status register.
+ cx_write( sram_ch->int_stat, _intr_msk );
+
+
+ //Set the interrupt mask register, enable irq.
+ cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << sram_ch->irq_bit));
+ tmp = cx_read( sram_ch->int_msk );
+ cx_write( sram_ch->int_msk, tmp |= _intr_msk );
+
+
+ err = request_irq(dev->pci->irq, cx25821_upstream_irq_audio, IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
+ if (err < 0)
+ {
+ printk(KERN_ERR "%s: can't get upstream IRQ %d\n", dev->name, dev->pci->irq);
+ goto fail_irq;
+ }
+
+
+ // Start the DMA engine
+ tmp = cx_read( sram_ch->dma_ctl );
+ cx_set( sram_ch->dma_ctl, tmp | sram_ch->fld_aud_risc_en );
+
+ dev->_audio_is_running = 1;
+ dev->_is_first_audio_frame = 1;
+
+ // The fifo_en bit turns on by the first Risc program
+ cx25821_wait_fifo_enable(dev, sram_ch);
+
+ return 0;
+
+
+fail_irq:
+ cx25821_dev_unregister(dev);
+ return err;
+}
+
+
+int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
+{
+ struct sram_channel *sram_ch;
+ int retval = 0;
+ int err = 0;
+ int str_length = 0;
+
+ if( dev->_audio_is_running )
+ {
+ printk("Audio Channel is still running so return!\n");
+ return 0;
+ }
+
+ dev->_audio_upstream_channel_select = channel_select;
+ sram_ch = &dev->sram_channels[channel_select];
+
+ //Work queue
+ INIT_WORK(&dev->_audio_work_entry, cx25821_audioups_handler);
+ dev->_irq_audio_queues = create_singlethread_workqueue("cx25821_audioworkqueue");
+
+ if(!dev->_irq_audio_queues)
+ {
+ printk("cx25821 ERROR: create_singlethread_workqueue() for Audio FAILED!\n");
+ return -ENOMEM;
+ }
+
+
+ dev->_last_index_irq = 0;
+ dev->_audio_is_running = 0;
+ dev->_audioframe_count = 0;
+ dev->_audiofile_status = RESET_STATUS;
+ dev->_audio_lines_count = LINES_PER_AUDIO_BUFFER;
+ _line_size = AUDIO_LINE_SIZE;
+
+
+ if( dev->input_audiofilename )
+ {
+ str_length = strlen(dev->input_audiofilename);
+ dev->_audiofilename = (char *) kmalloc(str_length + 1, GFP_KERNEL);
+
+ if( !dev->_audiofilename )
+ goto error;
+
+ memcpy(dev->_audiofilename, dev->input_audiofilename, str_length + 1);
+
+ //Default if filename is empty string
+ if( strcmp(dev->input_audiofilename,"") == 0)
+ {
+ dev->_audiofilename = "/root/audioGOOD.wav";
+ }
+ }
+ else
+ {
+ str_length = strlen(_defaultAudioName);
+ dev->_audiofilename = (char *) kmalloc(str_length + 1, GFP_KERNEL);
+
+ if( !dev->_audiofilename )
+ goto error;
+
+ memcpy(dev->_audiofilename, _defaultAudioName, str_length + 1);
+ }
+
+
+ retval = cx25821_sram_channel_setup_upstream_audio(dev, sram_ch, _line_size, 0);
+
+ dev->audio_upstream_riscbuf_size = AUDIO_RISC_DMA_BUF_SIZE * NUM_AUDIO_PROGS + RISC_SYNC_INSTRUCTION_SIZE;
+ dev->audio_upstream_databuf_size = AUDIO_DATA_BUF_SZ * NUM_AUDIO_PROGS;
+
+
+ //Allocating buffers and prepare RISC program
+ retval = cx25821_audio_upstream_buffer_prepare(dev, sram_ch, _line_size);
+ if (retval < 0)
+ {
+ printk(KERN_ERR "%s: Failed to set up Audio upstream buffers!\n", dev->name);
+ goto error;
+ }
+
+ //Start RISC engine
+ cx25821_start_audio_dma_upstream(dev, sram_ch);
+
+ return 0;
+
+error:
+ cx25821_dev_unregister(dev);
+
+ return err;
+}
+ diff --git a/drivers/staging/cx25821/cx25821-audio-upstream.h b/drivers/staging/cx25821/cx25821-audio-upstream.h new file mode 100644 index 0000000..7bb136b --- /dev/null +++ b/drivers/staging/cx25821/cx25821-audio-upstream.h @@ -0,0 +1,62 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <hiep.huynh@conexant.com>, <shu.lin@conexant.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/mutex.h>
+#include <linux/workqueue.h>
+
+
+#define NUM_AUDIO_PROGS 8
+#define NUM_AUDIO_FRAMES 8
+#define END_OF_FILE 0
+#define IN_PROGRESS 1
+#define RESET_STATUS -1
+#define FIFO_DISABLE 0
+#define FIFO_ENABLE 1
+#define NUM_NO_OPS 4
+
+
+#define RISC_READ_INSTRUCTION_SIZE 12
+#define RISC_JUMP_INSTRUCTION_SIZE 12
+#define RISC_WRITECR_INSTRUCTION_SIZE 16
+#define RISC_SYNC_INSTRUCTION_SIZE 4
+#define DWORD_SIZE 4
+#define AUDIO_SYNC_LINE 4
+
+
+#define LINES_PER_AUDIO_BUFFER 15
+#define AUDIO_LINE_SIZE 128
+#define AUDIO_DATA_BUF_SZ (AUDIO_LINE_SIZE * LINES_PER_AUDIO_BUFFER)
+
+#define USE_RISC_NOOP_AUDIO 1
+
+#ifdef USE_RISC_NOOP_AUDIO
+#define AUDIO_RISC_DMA_BUF_SIZE ( LINES_PER_AUDIO_BUFFER*RISC_READ_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE + RISC_JUMP_INSTRUCTION_SIZE)
+#endif
+
+
+#ifndef USE_RISC_NOOP_AUDIO
+#define AUDIO_RISC_DMA_BUF_SIZE ( LINES_PER_AUDIO_BUFFER*RISC_READ_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + RISC_JUMP_INSTRUCTION_SIZE)
+#endif
+
+static int _line_size;
+char * _defaultAudioName = "/root/audioGOOD.wav";
+
diff --git a/drivers/staging/cx25821/cx25821-audio.h b/drivers/staging/cx25821/cx25821-audio.h new file mode 100644 index 0000000..1e13518 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-audio.h @@ -0,0 +1,60 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __CX25821_AUDIO_H__
+#define __CX25821_AUDIO_H__
+
+
+#define USE_RISC_NOOP 1
+#define LINES_PER_BUFFER 15
+#define AUDIO_LINE_SIZE 128
+
+//Number of buffer programs to use at once.
+#define NUMBER_OF_PROGRAMS 8
+
+//Max size of the RISC program for a buffer. - worst case is 2 writes per line
+// Space is also added for the 4 no-op instructions added on the end.
+
+#ifndef USE_RISC_NOOP
+#define MAX_BUFFER_PROGRAM_SIZE \
+ (2*LINES_PER_BUFFER*RISC_WRITE_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE*4)
+#endif
+
+// MAE 12 July 2005 Try to use NOOP RISC instruction instead
+#ifdef USE_RISC_NOOP
+#define MAX_BUFFER_PROGRAM_SIZE \
+ (2*LINES_PER_BUFFER*RISC_WRITE_INSTRUCTION_SIZE + RISC_NOOP_INSTRUCTION_SIZE*4)
+#endif
+
+
+//Sizes of various instructions in bytes. Used when adding instructions.
+#define RISC_WRITE_INSTRUCTION_SIZE 12
+#define RISC_JUMP_INSTRUCTION_SIZE 12
+#define RISC_SKIP_INSTRUCTION_SIZE 4
+#define RISC_SYNC_INSTRUCTION_SIZE 4
+#define RISC_WRITECR_INSTRUCTION_SIZE 16
+#define RISC_NOOP_INSTRUCTION_SIZE 4
+
+#define MAX_AUDIO_DMA_BUFFER_SIZE (MAX_BUFFER_PROGRAM_SIZE * NUMBER_OF_PROGRAMS + RISC_SYNC_INSTRUCTION_SIZE)
+
+#endif
+
diff --git a/drivers/staging/cx25821/cx25821-audups11.c b/drivers/staging/cx25821/cx25821-audups11.c new file mode 100644 index 0000000..a8e4dce --- /dev/null +++ b/drivers/staging/cx25821/cx25821-audups11.c @@ -0,0 +1,441 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx25821-video.h" + + +static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + struct cx25821_buffer *prev; + struct cx25821_fh *fh = vq->priv_data; + struct cx25821_dev *dev = fh->dev; + struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH11]; + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); + + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue, &q->active); + cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH11]); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n", + buf, buf->vb. i, buf->count, q->count); + } else { + prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + + /* 64 bit bits 63-32 */ + prev->risc.jmp[2] = cpu_to_le32(0); + dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n", buf, buf->vb.i, buf->count); + + } else { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i); + } + } + + if (list_empty(&q->active)) + { + dprintk(2, "active queue empty!\n"); + } +} + + +static struct videobuf_queue_ops cx25821_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + + +static int video_open(struct file *file) +{ + int minor = video_devdata(file)->minor; + struct cx25821_dev *h, *dev = NULL; + struct cx25821_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = 0; + + lock_kernel(); + list_for_each(list, &cx25821_devlist) + { + h = list_entry(list, struct cx25821_dev, devlist); + + if (h->video_dev[SRAM_CH11] && h->video_dev[SRAM_CH11]->minor == minor) + { + dev = h; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + } + + if (NULL == dev) { + unlock_kernel(); + return -ENODEV; + } + + printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) { + unlock_kernel(); + return -ENOMEM; + } + + file->private_data = fh; + fh->dev = dev; + fh->type = type; + fh->width = 720; + + if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) + fh->height = 576; + else + fh->height = 480; + + dev->channel_opened = 10; + fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); + + v4l2_prio_open(&dev->prio,&fh->prio); + + videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx25821_buffer), + fh); + + dprintk(1, "post videobuf_queue_init()\n"); + unlock_kernel(); + + return 0; +} + +static ssize_t video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) +{ + struct cx25821_fh *fh = file->private_data; + + switch (fh->type) + { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev, RESOURCE_VIDEO11)) + return -EBUSY; + + return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK); + + default: + BUG(); + return 0; + } +} + +static unsigned int video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_buffer *buf; + + if (res_check(fh, RESOURCE_VIDEO11)) { + /* streaming capture */ + if (list_empty(&fh->vidq.stream)) + return POLLERR; + buf = list_entry(fh->vidq.stream.next, + struct cx25821_buffer, vb.stream); + } else { + /* read() capture */ + buf = (struct cx25821_buffer *)fh->vidq.read_buf; + if (NULL == buf) + return POLLERR; + } + + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) + return POLLIN|POLLRDNORM; + return 0; +} + + +static int video_release(struct file *file) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + + //stop the risc engine and fifo + //cx_write(channel11->dma_ctl, 0); + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO11)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev, fh, RESOURCE_VIDEO11); + } + + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq, fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + videobuf_mmap_free(&fh->vidq); + + v4l2_prio_close(&dev->prio,&fh->prio); + + file->private_data = NULL; + kfree(fh); + + return 0; +} + + +static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + + if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) + { + return -EINVAL; + } + + if (unlikely(i != fh->type)) + { + return -EINVAL; + } + + if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO11)))) + { + return -EBUSY; + } + + return videobuf_streamon(get_queue(fh)); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + int err, res; + + if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (i != fh->type) + return -EINVAL; + + res = get_resource(fh, RESOURCE_VIDEO11); + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev, fh, res); + return 0; +} + + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + dprintk(2, "%s()\n", __func__); + err = vidioc_try_fmt_vid_cap(file, priv, f); + + if (0 != err) + return err; + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->width = f->fmt.pix.width; + fh->height = f->fmt.pix.height; + fh->vidq.field = f->fmt.pix.field; + dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field); + cx25821_call_all(dev, video, s_fmt, f); + return 0; +} + +static long video_ioctl_upstream11(struct file *file, unsigned int cmd, unsigned long arg) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + int command = 0; + struct upstream_user_struct *data_from_user; + + + data_from_user = (struct upstream_user_struct *)arg; + + if( !data_from_user ) + { + printk("cx25821 in %s(): Upstream data is INVALID. Returning.\n", __func__); + return 0; + } + + command = data_from_user->command; + + if( command != UPSTREAM_START_AUDIO && command != UPSTREAM_STOP_AUDIO ) + { + return 0; + } + + + dev->input_filename = data_from_user->input_filename; + dev->input_audiofilename = data_from_user->input_filename; + dev->vid_stdname = data_from_user->vid_stdname; + dev->pixel_format = data_from_user->pixel_format; + dev->channel_select = data_from_user->channel_select; + dev->command = data_from_user->command; + + + switch(command) + { + case UPSTREAM_START_AUDIO: + cx25821_start_upstream_audio(dev, data_from_user); + break; + + case UPSTREAM_STOP_AUDIO: + cx25821_stop_upstream_audio(dev); + break; + } + + return 0; +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + struct cx25821_fh *fh = priv; + return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); +} + +static int vidioc_log_status (struct file *file, void *priv) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + char name[32 + 2]; + + snprintf(name, sizeof(name), "%s/2", dev->name); + printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", + dev->name); + cx25821_call_all(dev, core, log_status); + printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", + dev->name); + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + int err; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + return 0; +} +// exported stuff +static const struct v4l2_file_operations video_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl_upstream11, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, +#ifdef TUNER_FLAG + .vidioc_s_std = vidioc_s_std, + .vidioc_querystd = vidioc_querystd, +#endif + .vidioc_cropcap = vidioc_cropcap, + .vidioc_s_crop = vidioc_s_crop, + .vidioc_g_crop = vidioc_g_crop, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_log_status = vidioc_log_status, + .vidioc_g_priority = vidioc_g_priority, + .vidioc_s_priority = vidioc_s_priority, +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif +#ifdef TUNER_FLAG + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#endif +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +struct video_device cx25821_video_template11 = { + .name = "cx25821-audioupstream", + .fops = &video_fops, + .minor = -1, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX25821_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + + + diff --git a/drivers/staging/cx25821/cx25821-biffuncs.h b/drivers/staging/cx25821/cx25821-biffuncs.h new file mode 100644 index 0000000..a5c0535 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-biffuncs.h @@ -0,0 +1,45 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _BITFUNCS_H
+#define _BITFUNCS_H
+
+#define SetBit(Bit) (1 << Bit)
+
+inline u8 getBit(u32 sample, u8 index)
+{
+ return (u8) ((sample >> index) & 1);
+}
+
+inline u32 clearBitAtPos(u32 value, u8 bit)
+{
+ return value & ~(1 << bit);
+}
+
+inline u32 setBitAtPos(u32 sample, u8 bit)
+{
+ sample |= (1 << bit);
+ return sample;
+
+}
+
+#endif diff --git a/drivers/staging/cx25821/cx25821-cards.c b/drivers/staging/cx25821/cx25821-cards.c new file mode 100644 index 0000000..eaaa567 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-cards.c @@ -0,0 +1,72 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
+ * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/init.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <media/cx25840.h> + +#include "cx25821.h" +#include "tuner-xc2028.h" + +// board config info + +struct cx25821_board cx25821_boards[] = { + [UNKNOWN_BOARD] = { + .name = "UNKNOWN/GENERIC", + // Ensure safe default for unknown boards + .clk_freq = 0, + }, + + [CX25821_BOARD] = { + .name = "CX25821", + .portb = CX25821_RAW, + .portc = CX25821_264,
+ .input[0].type = CX25821_VMUX_COMPOSITE, + }, + +}; + +const unsigned int cx25821_bcount = ARRAY_SIZE(cx25821_boards); + +struct cx25821_subid cx25821_subids[]={ + { + .subvendor = 0x14f1, + .subdevice = 0x0920, + .card = CX25821_BOARD, + }, +}; + + +void cx25821_card_setup(struct cx25821_dev *dev) +{ + static u8 eeprom[256]; + + if (dev->i2c_bus[0].i2c_rc == 0) + { + dev->i2c_bus[0].i2c_client.addr = 0xa0 >> 1; + tveeprom_read(&dev->i2c_bus[0].i2c_client, eeprom, sizeof(eeprom)); + } +} + diff --git a/drivers/staging/cx25821/cx25821-core.c b/drivers/staging/cx25821/cx25821-core.c new file mode 100644 index 0000000..adca7af --- /dev/null +++ b/drivers/staging/cx25821/cx25821-core.c @@ -0,0 +1,1565 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/i2c.h> +#include "cx25821.h" +#include "cx25821-sram.h" +#include "cx25821-video.h" + +MODULE_DESCRIPTION("Driver for Athena cards"); +MODULE_AUTHOR("Shu Lin - Hiep Huynh"); +MODULE_LICENSE("GPL"); + +struct list_head cx25821_devlist; + +static unsigned int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "enable debug messages"); + +static unsigned int card[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET }; +module_param_array(card, int, NULL, 0444); +MODULE_PARM_DESC(card, "card type"); + + +static unsigned int cx25821_devcount = 0; + +static DEFINE_MUTEX(devlist); +LIST_HEAD(cx25821_devlist); + + +struct sram_channel cx25821_sram_channels[] = { + [SRAM_CH00] = { + .i = SRAM_CH00, + .name = "VID A", + .cmds_start = VID_A_DOWN_CMDS, + .ctrl_start = VID_A_IQ, + .cdt = VID_A_CDT, + .fifo_start = VID_A_DOWN_CLUSTER_1, + .fifo_size = (VID_CLUSTER_SIZE<<2), + .ptr1_reg = DMA1_PTR1, + .ptr2_reg = DMA1_PTR2, + .cnt1_reg = DMA1_CNT1, + .cnt2_reg = DMA1_CNT2, + .int_msk = VID_A_INT_MSK, + .int_stat = VID_A_INT_STAT, + .int_mstat = VID_A_INT_MSTAT, + .dma_ctl = VID_DST_A_DMA_CTL, + .gpcnt_ctl = VID_DST_A_GPCNT_CTL, + .gpcnt = VID_DST_A_GPCNT, + .vip_ctl = VID_DST_A_VIP_CTL, + .pix_frmt = VID_DST_A_PIX_FRMT, + }, + + [SRAM_CH01] = { + .i = SRAM_CH01, + .name = "VID B", + .cmds_start = VID_B_DOWN_CMDS, + .ctrl_start = VID_B_IQ, + .cdt = VID_B_CDT, + .fifo_start = VID_B_DOWN_CLUSTER_1, + .fifo_size = (VID_CLUSTER_SIZE<<2), + .ptr1_reg = DMA2_PTR1, + .ptr2_reg = DMA2_PTR2, + .cnt1_reg = DMA2_CNT1, + .cnt2_reg = DMA2_CNT2, + .int_msk = VID_B_INT_MSK, + .int_stat = VID_B_INT_STAT, + .int_mstat = VID_B_INT_MSTAT, + .dma_ctl = VID_DST_B_DMA_CTL, + .gpcnt_ctl = VID_DST_B_GPCNT_CTL, + .gpcnt = VID_DST_B_GPCNT, + .vip_ctl = VID_DST_B_VIP_CTL, + .pix_frmt = VID_DST_B_PIX_FRMT, + }, + + [SRAM_CH02] = { + .i = SRAM_CH02, + .name = "VID C", + .cmds_start = VID_C_DOWN_CMDS, + .ctrl_start = VID_C_IQ, + .cdt = VID_C_CDT, + .fifo_start = VID_C_DOWN_CLUSTER_1, + .fifo_size = (VID_CLUSTER_SIZE<<2), + .ptr1_reg = DMA3_PTR1, + .ptr2_reg = DMA3_PTR2, + .cnt1_reg = DMA3_CNT1, + .cnt2_reg = DMA3_CNT2, + .int_msk = VID_C_INT_MSK, + .int_stat = VID_C_INT_STAT, + .int_mstat = VID_C_INT_MSTAT, + .dma_ctl = VID_DST_C_DMA_CTL, + .gpcnt_ctl = VID_DST_C_GPCNT_CTL, + .gpcnt = VID_DST_C_GPCNT, + .vip_ctl = VID_DST_C_VIP_CTL, + .pix_frmt = VID_DST_C_PIX_FRMT, + }, + + [SRAM_CH03] = { + .i = SRAM_CH03, + .name = "VID D", + .cmds_start = VID_D_DOWN_CMDS, + .ctrl_start = VID_D_IQ, + .cdt = VID_D_CDT, + .fifo_start = VID_D_DOWN_CLUSTER_1, + .fifo_size = (VID_CLUSTER_SIZE<<2), + .ptr1_reg = DMA4_PTR1, + .ptr2_reg = DMA4_PTR2, + .cnt1_reg = DMA4_CNT1, + .cnt2_reg = DMA4_CNT2, + .int_msk = VID_D_INT_MSK, + .int_stat = VID_D_INT_STAT, + .int_mstat = VID_D_INT_MSTAT, + .dma_ctl = VID_DST_D_DMA_CTL, + .gpcnt_ctl = VID_DST_D_GPCNT_CTL, + .gpcnt = VID_DST_D_GPCNT, + .vip_ctl = VID_DST_D_VIP_CTL, + .pix_frmt = VID_DST_D_PIX_FRMT, + }, + + [SRAM_CH04] = { + .i = SRAM_CH04, + .name = "VID E", + .cmds_start = VID_E_DOWN_CMDS, + .ctrl_start = VID_E_IQ, + .cdt = VID_E_CDT, + .fifo_start = VID_E_DOWN_CLUSTER_1, + .fifo_size = (VID_CLUSTER_SIZE<<2), + .ptr1_reg = DMA5_PTR1, + .ptr2_reg = DMA5_PTR2, + .cnt1_reg = DMA5_CNT1, + .cnt2_reg = DMA5_CNT2, + .int_msk = VID_E_INT_MSK, + .int_stat = VID_E_INT_STAT, + .int_mstat = VID_E_INT_MSTAT, + .dma_ctl = VID_DST_E_DMA_CTL, + .gpcnt_ctl = VID_DST_E_GPCNT_CTL, + .gpcnt = VID_DST_E_GPCNT, + .vip_ctl = VID_DST_E_VIP_CTL, + .pix_frmt = VID_DST_E_PIX_FRMT, + }, + + [SRAM_CH05] = { + .i = SRAM_CH05, + .name = "VID F", + .cmds_start = VID_F_DOWN_CMDS, + .ctrl_start = VID_F_IQ, + .cdt = VID_F_CDT, + .fifo_start = VID_F_DOWN_CLUSTER_1, + .fifo_size = (VID_CLUSTER_SIZE<<2), + .ptr1_reg = DMA6_PTR1, + .ptr2_reg = DMA6_PTR2, + .cnt1_reg = DMA6_CNT1, + .cnt2_reg = DMA6_CNT2, + .int_msk = VID_F_INT_MSK, + .int_stat = VID_F_INT_STAT, + .int_mstat = VID_F_INT_MSTAT, + .dma_ctl = VID_DST_F_DMA_CTL, + .gpcnt_ctl = VID_DST_F_GPCNT_CTL, + .gpcnt = VID_DST_F_GPCNT, + .vip_ctl = VID_DST_F_VIP_CTL, + .pix_frmt = VID_DST_F_PIX_FRMT, + }, + + [SRAM_CH06] = { + .i = SRAM_CH06, + .name = "VID G", + .cmds_start = VID_G_DOWN_CMDS, + .ctrl_start = VID_G_IQ, + .cdt = VID_G_CDT, + .fifo_start = VID_G_DOWN_CLUSTER_1, + .fifo_size = (VID_CLUSTER_SIZE<<2), + .ptr1_reg = DMA7_PTR1, + .ptr2_reg = DMA7_PTR2, + .cnt1_reg = DMA7_CNT1, + .cnt2_reg = DMA7_CNT2, + .int_msk = VID_G_INT_MSK, + .int_stat = VID_G_INT_STAT, + .int_mstat = VID_G_INT_MSTAT, + .dma_ctl = VID_DST_G_DMA_CTL, + .gpcnt_ctl = VID_DST_G_GPCNT_CTL, + .gpcnt = VID_DST_G_GPCNT, + .vip_ctl = VID_DST_G_VIP_CTL, + .pix_frmt = VID_DST_G_PIX_FRMT, + }, + + [SRAM_CH07] = { + .i = SRAM_CH07, + .name = "VID H", + .cmds_start = VID_H_DOWN_CMDS, + .ctrl_start = VID_H_IQ, + .cdt = VID_H_CDT, + .fifo_start = VID_H_DOWN_CLUSTER_1, + .fifo_size = (VID_CLUSTER_SIZE<<2), + .ptr1_reg = DMA8_PTR1, + .ptr2_reg = DMA8_PTR2, + .cnt1_reg = DMA8_CNT1, + .cnt2_reg = DMA8_CNT2, + .int_msk = VID_H_INT_MSK, + .int_stat = VID_H_INT_STAT, + .int_mstat = VID_H_INT_MSTAT, + .dma_ctl = VID_DST_H_DMA_CTL, + .gpcnt_ctl = VID_DST_H_GPCNT_CTL, + .gpcnt = VID_DST_H_GPCNT, + .vip_ctl = VID_DST_H_VIP_CTL, + .pix_frmt = VID_DST_H_PIX_FRMT, + }, + + [SRAM_CH08] = { + .name = "audio from", + .cmds_start = AUD_A_DOWN_CMDS, + .ctrl_start = AUD_A_IQ, + .cdt = AUD_A_CDT, + .fifo_start = AUD_A_DOWN_CLUSTER_1, + .fifo_size = AUDIO_CLUSTER_SIZE * 3, + .ptr1_reg = DMA17_PTR1, + .ptr2_reg = DMA17_PTR2, + .cnt1_reg = DMA17_CNT1, + .cnt2_reg = DMA17_CNT2, + }, + + [SRAM_CH09] = { + .i = SRAM_CH09, + .name = "VID Upstream I", + .cmds_start = VID_I_UP_CMDS, + .ctrl_start = VID_I_IQ, + .cdt = VID_I_CDT, + .fifo_start = VID_I_UP_CLUSTER_1, + .fifo_size = (VID_CLUSTER_SIZE<<2), + .ptr1_reg = DMA15_PTR1, + .ptr2_reg = DMA15_PTR2, + .cnt1_reg = DMA15_CNT1, + .cnt2_reg = DMA15_CNT2, + .int_msk = VID_I_INT_MSK, + .int_stat = VID_I_INT_STAT, + .int_mstat = VID_I_INT_MSTAT, + .dma_ctl = VID_SRC_I_DMA_CTL, + .gpcnt_ctl = VID_SRC_I_GPCNT_CTL, + .gpcnt = VID_SRC_I_GPCNT, + + .vid_fmt_ctl = VID_SRC_I_FMT_CTL, + .vid_active_ctl1= VID_SRC_I_ACTIVE_CTL1, + .vid_active_ctl2= VID_SRC_I_ACTIVE_CTL2, + .vid_cdt_size = VID_SRC_I_CDT_SZ, + .irq_bit = 8, + }, + + [SRAM_CH10] = { + .i = SRAM_CH10, + .name = "VID Upstream J", + .cmds_start = VID_J_UP_CMDS, + .ctrl_start = VID_J_IQ, + .cdt = VID_J_CDT, + .fifo_start = VID_J_UP_CLUSTER_1, + .fifo_size = (VID_CLUSTER_SIZE<<2), + .ptr1_reg = DMA16_PTR1, + .ptr2_reg = DMA16_PTR2, + .cnt1_reg = DMA16_CNT1, + .cnt2_reg = DMA16_CNT2, + .int_msk = VID_J_INT_MSK, + .int_stat = VID_J_INT_STAT, + .int_mstat = VID_J_INT_MSTAT, + .dma_ctl = VID_SRC_J_DMA_CTL, + .gpcnt_ctl = VID_SRC_J_GPCNT_CTL, + .gpcnt = VID_SRC_J_GPCNT, + + .vid_fmt_ctl = VID_SRC_J_FMT_CTL, + .vid_active_ctl1= VID_SRC_J_ACTIVE_CTL1, + .vid_active_ctl2= VID_SRC_J_ACTIVE_CTL2, + .vid_cdt_size = VID_SRC_J_CDT_SZ, + .irq_bit = 9, + }, + + + [SRAM_CH11] = { + .i = SRAM_CH11, + .name = "Audio Upstream Channel B", + .cmds_start = AUD_B_UP_CMDS, + .ctrl_start = AUD_B_IQ, + .cdt = AUD_B_CDT, + .fifo_start = AUD_B_UP_CLUSTER_1, + .fifo_size = (AUDIO_CLUSTER_SIZE*3), + .ptr1_reg = DMA22_PTR1, + .ptr2_reg = DMA22_PTR2, + .cnt1_reg = DMA22_CNT1, + .cnt2_reg = DMA22_CNT2, + .int_msk = AUD_B_INT_MSK, + .int_stat = AUD_B_INT_STAT, + .int_mstat = AUD_B_INT_MSTAT, + .dma_ctl = AUD_INT_DMA_CTL, + .gpcnt_ctl = AUD_B_GPCNT_CTL, + .gpcnt = AUD_B_GPCNT, + .aud_length = AUD_B_LNGTH, + .aud_cfg = AUD_B_CFG, + .fld_aud_fifo_en = FLD_AUD_SRC_B_FIFO_EN, + .fld_aud_risc_en = FLD_AUD_SRC_B_RISC_EN, + .irq_bit = 11, + }, +}; + + +struct sram_channel *channel0 = &cx25821_sram_channels[SRAM_CH00]; +struct sram_channel *channel1 = &cx25821_sram_channels[SRAM_CH01]; +struct sram_channel *channel2 = &cx25821_sram_channels[SRAM_CH02]; +struct sram_channel *channel3 = &cx25821_sram_channels[SRAM_CH03]; +struct sram_channel *channel4 = &cx25821_sram_channels[SRAM_CH04]; +struct sram_channel *channel5 = &cx25821_sram_channels[SRAM_CH05]; +struct sram_channel *channel6 = &cx25821_sram_channels[SRAM_CH06]; +struct sram_channel *channel7 = &cx25821_sram_channels[SRAM_CH07]; +struct sram_channel *channel9 = &cx25821_sram_channels[SRAM_CH09]; +struct sram_channel *channel10 = &cx25821_sram_channels[SRAM_CH10]; +struct sram_channel *channel11 = &cx25821_sram_channels[SRAM_CH11]; + +struct cx25821_dmaqueue mpegq; + +static int cx25821_risc_decode(u32 risc) +{ + static char *instr[16] = { + [RISC_SYNC >> 28] = "sync", + [RISC_WRITE >> 28] = "write", + [RISC_WRITEC >> 28] = "writec", + [RISC_READ >> 28] = "read", + [RISC_READC >> 28] = "readc", + [RISC_JUMP >> 28] = "jump", + [RISC_SKIP >> 28] = "skip", + [RISC_WRITERM >> 28] = "writerm", + [RISC_WRITECM >> 28] = "writecm", + [RISC_WRITECR >> 28] = "writecr", + }; + static int incr[16] = { + [RISC_WRITE >> 28] = 3, + [RISC_JUMP >> 28] = 3, + [RISC_SKIP >> 28] = 1, + [RISC_SYNC >> 28] = 1, + [RISC_WRITERM >> 28] = 3, + [RISC_WRITECM >> 28] = 3, + [RISC_WRITECR >> 28] = 4, + }; + static char *bits[] = { + "12", "13", "14", "resync", + "cnt0", "cnt1", "18", "19", + "20", "21", "22", "23", + "irq1", "irq2", "eol", "sol", + }; + int i; + + printk("0x%08x [ %s", risc, instr[risc >> 28] ? instr[risc >> 28] : "INVALID"); + for (i = ARRAY_SIZE(bits) - 1; i >= 0; i--) + { + if (risc & (1 << (i + 12))) + printk(" %s", bits[i]); + } + printk(" count=%d ]\n", risc & 0xfff); + return incr[risc >> 28] ? incr[risc >> 28] : 1; +} + +static inline int i2c_slave_did_ack(struct i2c_adapter *i2c_adap) +{ + struct cx25821_i2c *bus = i2c_adap->algo_data; + struct cx25821_dev *dev = bus->dev; + return cx_read(bus->reg_stat) & 0x01; +} + + +void cx_i2c_read_print(struct cx25821_dev *dev, u32 reg, const char* reg_string) +{ + int tmp = 0; + u32 value = 0; + + value = cx25821_i2c_read(&dev->i2c_bus[0], reg, &tmp); +} + +static void cx25821_registers_init(struct cx25821_dev *dev) +{ + u32 tmp; + + // enable RUN_RISC in Pecos + cx_write( DEV_CNTRL2, 0x20 ); + + // Set the master PCI interrupt masks to enable video, audio, MBIF, and GPIO interrupts + // I2C interrupt masking is handled by the I2C objects themselves. + cx_write( PCI_INT_MSK, 0x2001FFFF ); + + tmp = cx_read( RDR_TLCTL0 ); + tmp &= ~FLD_CFG_RCB_CK_EN; // Clear the RCB_CK_EN bit + cx_write( RDR_TLCTL0, tmp); + + // PLL-A setting for the Audio Master Clock + cx_write( PLL_A_INT_FRAC, 0x9807A58B ); + + // PLL_A_POST = 0x1C, PLL_A_OUT_TO_PIN = 0x1 + cx_write( PLL_A_POST_STAT_BIST, 0x8000019C); + + // clear reset bit [31] + tmp = cx_read( PLL_A_INT_FRAC ); + cx_write( PLL_A_INT_FRAC, tmp & 0x7FFFFFFF); + + // PLL-B setting for Mobilygen Host Bus Interface + cx_write( PLL_B_INT_FRAC, 0x9883A86F); + + // PLL_B_POST = 0xD, PLL_B_OUT_TO_PIN = 0x0 + cx_write( PLL_B_POST_STAT_BIST, 0x8000018D); + + // clear reset bit [31] + tmp = cx_read( PLL_B_INT_FRAC ); + cx_write( PLL_B_INT_FRAC, tmp & 0x7FFFFFFF); + + // PLL-C setting for video upstream channel + cx_write( PLL_C_INT_FRAC, 0x96A0EA3F); + + // PLL_C_POST = 0x3, PLL_C_OUT_TO_PIN = 0x0 + cx_write( PLL_C_POST_STAT_BIST, 0x80000103); + + // clear reset bit [31] + tmp = cx_read( PLL_C_INT_FRAC ); + cx_write( PLL_C_INT_FRAC, tmp & 0x7FFFFFFF); + + // PLL-D setting for audio upstream channel + cx_write( PLL_D_INT_FRAC, 0x98757F5B); + + // PLL_D_POST = 0x13, PLL_D_OUT_TO_PIN = 0x0 + cx_write( PLL_D_POST_STAT_BIST, 0x80000113); + + // clear reset bit [31] + tmp = cx_read( PLL_D_INT_FRAC ); + cx_write( PLL_D_INT_FRAC, tmp & 0x7FFFFFFF); + + + // This selects the PLL C clock source for the video upstream channel I and J + tmp = cx_read( VID_CH_CLK_SEL ); + cx_write( VID_CH_CLK_SEL, (tmp & 0x00FFFFFF) | 0x24000000); + + + // 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for channel A-C + //select 656/VIP DST for downstream Channel A - C + tmp = cx_read( VID_CH_MODE_SEL ); + //cx_write( VID_CH_MODE_SEL, tmp | 0x1B0001FF); + cx_write( VID_CH_MODE_SEL, tmp & 0xFFFFFE00); + + + // enables 656 port I and J as output + tmp = cx_read( CLK_RST ); + tmp |= FLD_USE_ALT_PLL_REF; // use external ALT_PLL_REF pin as its reference clock instead + cx_write( CLK_RST, tmp & ~(FLD_VID_I_CLK_NOE | FLD_VID_J_CLK_NOE) ); + + mdelay(100); +} + + +int cx25821_sram_channel_setup(struct cx25821_dev *dev, + struct sram_channel *ch, + unsigned int bpl, u32 risc) +{ + unsigned int i, lines; + u32 cdt; + + if (ch->cmds_start == 0) { + cx_write(ch->ptr1_reg, 0); + cx_write(ch->ptr2_reg, 0); + cx_write(ch->cnt2_reg, 0); + cx_write(ch->cnt1_reg, 0); + return 0; + } + + bpl = (bpl + 7) & ~7; /* alignment */ + cdt = ch->cdt; + lines = ch->fifo_size / bpl; + + if (lines > 4) + { + lines = 4; + } + + BUG_ON(lines < 2); + + cx_write(8 + 0, RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + cx_write(8 + 4, 8); + cx_write(8 + 8, 0); + + /* write CDT */ + for (i = 0; i < lines; i++) { + cx_write(cdt + 16*i, ch->fifo_start + bpl*i); + cx_write(cdt + 16*i + 4, 0); + cx_write(cdt + 16*i + 8, 0); + cx_write(cdt + 16*i + 12, 0); + } + + //init the first cdt buffer + for(i=0; i<128; i++) + cx_write(ch->fifo_start+4*i, i); + + /* write CMDS */ + if (ch->jumponly) + { + cx_write(ch->cmds_start + 0, 8); + } + else + { + cx_write(ch->cmds_start + 0, risc); + } + + cx_write(ch->cmds_start + 4, 0); /* 64 bits 63-32 */ + cx_write(ch->cmds_start + 8, cdt); + cx_write(ch->cmds_start + 12, (lines*16) >> 3); + cx_write(ch->cmds_start + 16, ch->ctrl_start); + + if (ch->jumponly) + cx_write(ch->cmds_start + 20, 0x80000000 | (64 >> 2)); + else + cx_write(ch->cmds_start + 20, 64 >> 2); + + for (i = 24; i < 80; i += 4) + cx_write(ch->cmds_start + i, 0); + + /* fill registers */ + cx_write(ch->ptr1_reg, ch->fifo_start); + cx_write(ch->ptr2_reg, cdt); + cx_write(ch->cnt2_reg, (lines*16) >> 3); + cx_write(ch->cnt1_reg, (bpl >> 3) - 1); + + return 0; +} + +int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev, + struct sram_channel *ch, + unsigned int bpl, u32 risc) +{ + unsigned int i, lines; + u32 cdt; + + + if (ch->cmds_start == 0) { + cx_write(ch->ptr1_reg, 0); + cx_write(ch->ptr2_reg, 0); + cx_write(ch->cnt2_reg, 0); + cx_write(ch->cnt1_reg, 0); + return 0; + } + + bpl = (bpl + 7) & ~7; /* alignment */ + cdt = ch->cdt; + lines = ch->fifo_size / bpl; + + if (lines > 3) + { + lines = 3; //for AUDIO + } + + BUG_ON(lines < 2); + + + cx_write(8 + 0, RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + cx_write(8 + 4, 8); + cx_write(8 + 8, 0); + + /* write CDT */ + for (i = 0; i < lines; i++) { + cx_write(cdt + 16*i, ch->fifo_start + bpl*i); + cx_write(cdt + 16*i + 4, 0); + cx_write(cdt + 16*i + 8, 0); + cx_write(cdt + 16*i + 12, 0); + } + + /* write CMDS */ + if (ch->jumponly) + { + cx_write(ch->cmds_start + 0, 8); + } + else + { + cx_write(ch->cmds_start + 0, risc); + } + + cx_write(ch->cmds_start + 4, 0); /* 64 bits 63-32 */ + cx_write(ch->cmds_start + 8, cdt); + cx_write(ch->cmds_start + 12, (lines*16) >> 3); + cx_write(ch->cmds_start + 16, ch->ctrl_start); + + //IQ size + if (ch->jumponly) + { + cx_write(ch->cmds_start + 20, 0x80000000 | (64 >> 2)); + } + else + { + cx_write(ch->cmds_start + 20, 64 >> 2); + } + + //zero out + for (i = 24; i < 80; i += 4) + cx_write(ch->cmds_start + i, 0); + + /* fill registers */ + cx_write(ch->ptr1_reg, ch->fifo_start); + cx_write(ch->ptr2_reg, cdt); + cx_write(ch->cnt2_reg, (lines*16) >> 3); + cx_write(ch->cnt1_reg, (bpl >> 3) - 1); + + return 0; +} + + +void cx25821_sram_channel_dump(struct cx25821_dev *dev, struct sram_channel *ch) +{ + static char *name[] = { + "init risc lo", + "init risc hi", + "cdt base", + "cdt size", + "iq base", + "iq size", + "risc pc lo", + "risc pc hi", + "iq wr ptr", + "iq rd ptr", + "cdt current", + "pci target lo", + "pci target hi", + "line / byte", + }; + u32 risc; + unsigned int i, j, n; + + printk(KERN_WARNING "%s: %s - dma channel status dump\n", dev->name, ch->name); + for (i = 0; i < ARRAY_SIZE(name); i++) + printk(KERN_WARNING "cmds + 0x%2x: %-15s: 0x%08x\n", i*4, name[i], + cx_read(ch->cmds_start + 4*i)); + + j=i*4; + for (i = 0; i < 4; ) { + risc = cx_read(ch->cmds_start + 4 * (i + 14)); + printk(KERN_WARNING "cmds + 0x%2x: risc%d: ", j+i*4, i); + i +=cx25821_risc_decode(risc); + } + + for (i = 0; i < (64 >> 2); i += n) { + risc = cx_read(ch->ctrl_start + 4 * i); + /* No consideration for bits 63-32 */ + + printk(KERN_WARNING "ctrl + 0x%2x (0x%08x): iq %x: ", i*4, ch->ctrl_start + 4 * i, i); + n = cx25821_risc_decode(risc); + for (j = 1; j < n; j++) { + risc = cx_read(ch->ctrl_start + 4 * (i + j)); + printk(KERN_WARNING "ctrl + 0x%2x : iq %x: 0x%08x [ arg #%d ]\n", 4*(i+j), i+j, risc, j); + } + } + + printk(KERN_WARNING " : fifo: 0x%08x -> 0x%x\n", ch->fifo_start, ch->fifo_start+ch->fifo_size); + printk(KERN_WARNING " : ctrl: 0x%08x -> 0x%x\n", ch->ctrl_start, ch->ctrl_start + 6*16); + printk(KERN_WARNING " : ptr1_reg: 0x%08x\n", cx_read(ch->ptr1_reg)); + printk(KERN_WARNING " : ptr2_reg: 0x%08x\n", cx_read(ch->ptr2_reg)); + printk(KERN_WARNING " : cnt1_reg: 0x%08x\n", cx_read(ch->cnt1_reg)); + printk(KERN_WARNING " : cnt2_reg: 0x%08x\n", cx_read(ch->cnt2_reg)); +} + +void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev, struct sram_channel *ch) +{ + static char *name[] = { + "init risc lo", + "init risc hi", + "cdt base", + "cdt size", + "iq base", + "iq size", + "risc pc lo", + "risc pc hi", + "iq wr ptr", + "iq rd ptr", + "cdt current", + "pci target lo", + "pci target hi", + "line / byte", + }; + + u32 risc, value, tmp; + unsigned int i, j, n; + + + printk(KERN_INFO "\n%s: %s - dma Audio channel status dump\n", dev->name, ch->name); + + for (i = 0; i < ARRAY_SIZE(name); i++) + printk(KERN_INFO "%s: cmds + 0x%2x: %-15s: 0x%08x\n", dev->name, i*4, name[i], cx_read(ch->cmds_start + 4*i)); + + + j=i*4; + for (i = 0; i < 4; ) { + risc = cx_read(ch->cmds_start + 4 * (i + 14)); + printk(KERN_WARNING "cmds + 0x%2x: risc%d: ", j+i*4, i); + i += cx25821_risc_decode(risc); + } + + for (i = 0; i < (64 >> 2); i += n) { + risc = cx_read(ch->ctrl_start + 4 * i); + /* No consideration for bits 63-32 */ + + printk(KERN_WARNING "ctrl + 0x%2x (0x%08x): iq %x: ", i*4, ch->ctrl_start + 4 * i, i); + n = cx25821_risc_decode(risc); + + for (j = 1; j < n; j++) { + risc = cx_read(ch->ctrl_start + 4 * (i + j)); + printk(KERN_WARNING "ctrl + 0x%2x : iq %x: 0x%08x [ arg #%d ]\n", 4*(i+j), i+j, risc, j); + } + } + + printk(KERN_WARNING " : fifo: 0x%08x -> 0x%x\n", ch->fifo_start, ch->fifo_start+ch->fifo_size); + printk(KERN_WARNING " : ctrl: 0x%08x -> 0x%x\n", ch->ctrl_start, ch->ctrl_start + 6*16); + printk(KERN_WARNING " : ptr1_reg: 0x%08x\n", cx_read(ch->ptr1_reg)); + printk(KERN_WARNING " : ptr2_reg: 0x%08x\n", cx_read(ch->ptr2_reg)); + printk(KERN_WARNING " : cnt1_reg: 0x%08x\n", cx_read(ch->cnt1_reg)); + printk(KERN_WARNING " : cnt2_reg: 0x%08x\n", cx_read(ch->cnt2_reg)); + + for( i=0; i < 4; i++) + { + risc = cx_read(ch->cmds_start + 56 + (i*4)); + printk(KERN_WARNING "instruction %d = 0x%x\n", i, risc); + } + + //read data from the first cdt buffer + risc = cx_read(AUD_A_CDT); + printk(KERN_WARNING "\nread cdt loc=0x%x\n", risc); + for(i=0; i<8; i++) + { + n = cx_read(risc+i*4); + printk(KERN_WARNING "0x%x ", n); + } + printk(KERN_WARNING "\n\n"); + + + value = cx_read(CLK_RST); + CX25821_INFO(" CLK_RST = 0x%x \n\n", value); + + value = cx_read(PLL_A_POST_STAT_BIST); + CX25821_INFO(" PLL_A_POST_STAT_BIST = 0x%x \n\n", value); + value = cx_read(PLL_A_INT_FRAC); + CX25821_INFO(" PLL_A_INT_FRAC = 0x%x \n\n", value); + + value = cx_read(PLL_B_POST_STAT_BIST); + CX25821_INFO(" PLL_B_POST_STAT_BIST = 0x%x \n\n", value); + value = cx_read(PLL_B_INT_FRAC); + CX25821_INFO(" PLL_B_INT_FRAC = 0x%x \n\n", value); + + value = cx_read(PLL_C_POST_STAT_BIST); + CX25821_INFO(" PLL_C_POST_STAT_BIST = 0x%x \n\n", value); + value = cx_read(PLL_C_INT_FRAC); + CX25821_INFO(" PLL_C_INT_FRAC = 0x%x \n\n", value); + + value = cx_read(PLL_D_POST_STAT_BIST); + CX25821_INFO(" PLL_D_POST_STAT_BIST = 0x%x \n\n", value); + value = cx_read(PLL_D_INT_FRAC); + CX25821_INFO(" PLL_D_INT_FRAC = 0x%x \n\n", value); + + value = cx25821_i2c_read(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, &tmp); + CX25821_INFO(" AFE_AB_DIAG_CTRL (0x10900090) = 0x%x \n\n", value); +} + +static void cx25821_shutdown(struct cx25821_dev *dev) +{ + int i; + + /* disable RISC controller */ + cx_write(DEV_CNTRL2, 0); + + /* Disable Video A/B activity */ + for(i=0; i<VID_CHANNEL_NUM; i++) + { + cx_write(dev->sram_channels[i].dma_ctl, 0); + cx_write(dev->sram_channels[i].int_msk, 0); + } + + for( i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= VID_UPSTREAM_SRAM_CHANNEL_J; i++) + { + cx_write(dev->sram_channels[i].dma_ctl, 0); + cx_write(dev->sram_channels[i].int_msk, 0); + } + + /* Disable Audio activity */ + cx_write(AUD_INT_DMA_CTL, 0); + + /* Disable Serial port */ + cx_write(UART_CTL, 0); + + /* Disable Interrupts */ + cx_write(PCI_INT_MSK, 0); + cx_write(AUD_A_INT_MSK, 0); +} + +void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel_select, u32 format) +{ + struct sram_channel *ch; + + if( channel_select <= 7 && channel_select >= 0 ) + { + ch = &cx25821_sram_channels[channel_select]; + cx_write(ch->pix_frmt, format); + dev->pixel_formats[channel_select] = format; + } +} + +static void cx25821_set_vip_mode(struct cx25821_dev *dev, struct sram_channel *ch) +{ + cx_write(ch->pix_frmt, PIXEL_FRMT_422); + cx_write(ch->vip_ctl, PIXEL_ENGINE_VIP1); +} + +static void cx25821_initialize(struct cx25821_dev *dev) +{ + int i; + + dprintk(1, "%s()\n", __func__); + + cx25821_shutdown(dev); + cx_write(PCI_INT_STAT, 0xffffffff); + + for(i=0; i<VID_CHANNEL_NUM; i++) + cx_write(dev->sram_channels[i].int_stat, 0xffffffff); + + + cx_write(AUD_A_INT_STAT, 0xffffffff); + cx_write(AUD_B_INT_STAT, 0xffffffff); + cx_write(AUD_C_INT_STAT, 0xffffffff); + cx_write(AUD_D_INT_STAT, 0xffffffff); + cx_write(AUD_E_INT_STAT, 0xffffffff); + + cx_write(CLK_DELAY, cx_read(CLK_DELAY) & 0x80000000); + cx_write(PAD_CTRL, 0x12); //for I2C + cx25821_registers_init(dev); //init Pecos registers + mdelay(100); + + + for(i=0; i<VID_CHANNEL_NUM; i++) + { + cx25821_set_vip_mode(dev, &dev->sram_channels[i]); + cx25821_sram_channel_setup(dev, &dev->sram_channels[i], 1440, 0); + dev->pixel_formats[i] = PIXEL_FRMT_422; + dev->use_cif_resolution[i] = FALSE; + } + + //Probably only affect Downstream + for( i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= VID_UPSTREAM_SRAM_CHANNEL_J; i++) + { + cx25821_set_vip_mode(dev, &dev->sram_channels[i]); + } + + cx25821_sram_channel_setup_audio(dev, &dev->sram_channels[SRAM_CH08], 128, 0); + + cx25821_gpio_init(dev); +} + +static int get_resources(struct cx25821_dev *dev) +{ + if (request_mem_region(pci_resource_start(dev->pci, 0), pci_resource_len(dev->pci, 0), dev->name)) + return 0; + + printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n", + dev->name, (unsigned long long)pci_resource_start(dev->pci, 0)); + + return -EBUSY; +} + + +static void cx25821_dev_checkrevision(struct cx25821_dev *dev) +{ + dev->hwrevision = cx_read(RDR_CFG2) & 0xff; + + printk(KERN_INFO "%s() Hardware revision = 0x%02x\n", __func__, dev->hwrevision); +} + +static void cx25821_iounmap(struct cx25821_dev *dev) +{ + if (dev == NULL) + return; + + /* Releasing IO memory */ + if (dev->lmmio != NULL) + { + CX25821_INFO("Releasing lmmio.\n"); + iounmap(dev->lmmio); + dev->lmmio = NULL; + } +} + + +static int cx25821_dev_setup(struct cx25821_dev *dev) +{ + int io_size = 0, i; + + struct video_device *video_template[] = { + &cx25821_video_template0, + &cx25821_video_template1, + &cx25821_video_template2, + &cx25821_video_template3, + &cx25821_video_template4, + &cx25821_video_template5, + &cx25821_video_template6, + &cx25821_video_template7, + &cx25821_video_template9, + &cx25821_video_template10, + &cx25821_video_template11, + &cx25821_videoioctl_template, + }; + + printk(KERN_INFO "\n***********************************\n"); + printk(KERN_INFO "cx25821 set up\n"); + printk(KERN_INFO "***********************************\n\n"); + + mutex_init(&dev->lock); + + atomic_inc(&dev->refcount); + + dev->nr = ++cx25821_devcount; + sprintf(dev->name, "cx25821[%d]", dev->nr); + + mutex_lock(&devlist); + list_add_tail(&dev->devlist, &cx25821_devlist); + mutex_unlock(&devlist); + + strcpy(cx25821_boards[UNKNOWN_BOARD].name, "unknown"); + strcpy(cx25821_boards[CX25821_BOARD].name, "cx25821"); + + + if( dev->pci->device != 0x8210 ) + { + printk(KERN_INFO "%s() Exiting. Incorrect Hardware device = 0x%02x\n", + __func__, dev->pci->device); + return -1; + } + else + { + printk(KERN_INFO "Athena Hardware device = 0x%02x\n", dev->pci->device); + } + + /* Apply a sensible clock frequency for the PCIe bridge */ + dev->clk_freq = 28000000; + dev->sram_channels = cx25821_sram_channels; + + if(dev->nr > 1) + { + CX25821_INFO("dev->nr > 1!"); + } + + /* board config */ + dev->board = 1; //card[dev->nr]; + dev->_max_num_decoders = MAX_DECODERS; + + + dev->pci_bus = dev->pci->bus->number; + dev->pci_slot = PCI_SLOT(dev->pci->devfn); + dev->pci_irqmask = 0x001f00; + + /* External Master 1 Bus */ + dev->i2c_bus[0].nr = 0; + dev->i2c_bus[0].dev = dev; + dev->i2c_bus[0].reg_stat = I2C1_STAT; + dev->i2c_bus[0].reg_ctrl = I2C1_CTRL; + dev->i2c_bus[0].reg_addr = I2C1_ADDR; + dev->i2c_bus[0].reg_rdata = I2C1_RDATA; + dev->i2c_bus[0].reg_wdata = I2C1_WDATA; + dev->i2c_bus[0].i2c_period = (0x07 << 24); /* 1.95MHz */ + + + + if (get_resources(dev) < 0) + { + printk(KERN_ERR "%s No more PCIe resources for " + "subsystem: %04x:%04x\n", + dev->name, dev->pci->subsystem_vendor, + dev->pci->subsystem_device); + + cx25821_devcount--; + return -ENODEV; + } + + /* PCIe stuff */ + dev->base_io_addr = pci_resource_start(dev->pci, 0); + io_size = pci_resource_len(dev->pci, 0); + + if (!dev->base_io_addr) { + CX25821_ERR("No PCI Memory resources, exiting!\n"); + return -ENODEV; + } + + dev->lmmio = ioremap(dev->base_io_addr, pci_resource_len(dev->pci, 0)); + + if (!dev->lmmio) { + CX25821_ERR("ioremap failed, maybe increasing __VMALLOC_RESERVE in page.h\n"); + cx25821_iounmap(dev); + return -ENOMEM; + } + + + dev->bmmio = (u8 __iomem *)dev->lmmio; + + printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", + dev->name, dev->pci->subsystem_vendor, + dev->pci->subsystem_device, cx25821_boards[dev->board].name, + dev->board, card[dev->nr] == dev->board ? + "insmod option" : "autodetected"); + + /* init hardware */ + cx25821_initialize(dev); + + cx25821_i2c_register(&dev->i2c_bus[0]); +// cx25821_i2c_register(&dev->i2c_bus[1]); +// cx25821_i2c_register(&dev->i2c_bus[2]); + + CX25821_INFO("i2c register! bus->i2c_rc = %d\n", dev->i2c_bus[0].i2c_rc); + + cx25821_card_setup(dev); + medusa_video_init(dev); + + for(i = 0; i < VID_CHANNEL_NUM; i++) + { + if (cx25821_video_register(dev, i, video_template[i]) < 0) { + printk(KERN_ERR "%s() Failed to register analog video adapters on VID channel %d\n", __func__, i); + } + } + + + for(i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= AUDIO_UPSTREAM_SRAM_CHANNEL_B; i++) + { + //Since we don't have template8 for Audio Downstream + if (cx25821_video_register(dev, i, video_template[i-1]) < 0) { + printk(KERN_ERR "%s() Failed to register analog video adapters for Upstream channel %d.\n", __func__, i); + } + } + + // register IOCTL device + dev->ioctl_dev = cx25821_vdev_init(dev, dev->pci, video_template[VIDEO_IOCTL_CH], "video"); + + if( video_register_device(dev->ioctl_dev, VFL_TYPE_GRABBER, VIDEO_IOCTL_CH) < 0 ) + { + cx25821_videoioctl_unregister(dev); + printk(KERN_ERR "%s() Failed to register video adapter for IOCTL so releasing.\n", __func__); + } + + cx25821_dev_checkrevision(dev); + CX25821_INFO("cx25821 setup done!\n"); + + return 0; +} + + +void cx25821_start_upstream_video_ch1(struct cx25821_dev *dev, struct upstream_user_struct *up_data) +{ + dev->_isNTSC = !strcmp(dev->vid_stdname,"NTSC") ? 1 : 0; + + dev->tvnorm = !dev->_isNTSC ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M; + medusa_set_videostandard(dev); + + cx25821_vidupstream_init_ch1(dev, dev->channel_select, dev->pixel_format); +} + + +void cx25821_start_upstream_video_ch2(struct cx25821_dev *dev, struct upstream_user_struct *up_data) +{ + dev->_isNTSC_ch2 = !strcmp(dev->vid_stdname_ch2,"NTSC") ? 1 : 0; + + dev->tvnorm = !dev->_isNTSC_ch2 ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M; + medusa_set_videostandard(dev); + + cx25821_vidupstream_init_ch2(dev, dev->channel_select_ch2, dev->pixel_format_ch2); +} + + +void cx25821_start_upstream_audio(struct cx25821_dev *dev, struct upstream_user_struct *up_data) +{ + cx25821_audio_upstream_init(dev, AUDIO_UPSTREAM_SRAM_CHANNEL_B); +} + +void cx25821_dev_unregister(struct cx25821_dev *dev) +{ + int i; + + if (!dev->base_io_addr) + return; + + cx25821_free_mem_upstream_ch1(dev); + cx25821_free_mem_upstream_ch2(dev); + cx25821_free_mem_upstream_audio(dev); + + release_mem_region(dev->base_io_addr, pci_resource_len(dev->pci, 0)); + + if (!atomic_dec_and_test(&dev->refcount)) + return; + + for(i=0; i < VID_CHANNEL_NUM; i++) + cx25821_video_unregister(dev, i); + + + for(i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= AUDIO_UPSTREAM_SRAM_CHANNEL_B; i++) + { + cx25821_video_unregister(dev, i); + } + + cx25821_videoioctl_unregister(dev); + + cx25821_i2c_unregister( &dev->i2c_bus[0] ); + cx25821_iounmap(dev); +} + + + +static __le32 *cx25821_risc_field(__le32 *rp, struct scatterlist *sglist, + unsigned int offset, u32 sync_line, + unsigned int bpl, unsigned int padding, + unsigned int lines) +{ + struct scatterlist *sg; + unsigned int line, todo; + + /* sync instruction */ + if (sync_line != NO_SYNC_LINE) + { + *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line); + } + + /* scan lines */ + sg = sglist; + for (line = 0; line < lines; line++) { + while (offset && offset >= sg_dma_len(sg)) { + offset -= sg_dma_len(sg); + sg++; + } + if (bpl <= sg_dma_len(sg)-offset) { + /* fits into current chunk */ + *(rp++) = cpu_to_le32(RISC_WRITE|RISC_SOL|RISC_EOL|bpl); + *(rp++) = cpu_to_le32(sg_dma_address(sg)+offset); + *(rp++) = cpu_to_le32(0); /* bits 63-32 */ + offset += bpl; + } else { + /* scanline needs to be split */ + todo = bpl; + *(rp++) = cpu_to_le32(RISC_WRITE|RISC_SOL|(sg_dma_len(sg)-offset)); + *(rp++) = cpu_to_le32(sg_dma_address(sg)+offset); + *(rp++) = cpu_to_le32(0); /* bits 63-32 */ + todo -= (sg_dma_len(sg)-offset); + offset = 0; + sg++; + while (todo > sg_dma_len(sg)) { + *(rp++) = cpu_to_le32(RISC_WRITE|sg_dma_len(sg)); + *(rp++) = cpu_to_le32(sg_dma_address(sg)); + *(rp++) = cpu_to_le32(0); /* bits 63-32 */ + todo -= sg_dma_len(sg); + sg++; + } + *(rp++) = cpu_to_le32(RISC_WRITE|RISC_EOL|todo); + *(rp++) = cpu_to_le32(sg_dma_address(sg)); + *(rp++) = cpu_to_le32(0); /* bits 63-32 */ + offset += todo; + } + + offset += padding; + } + + return rp; +} + +int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, + struct scatterlist *sglist, unsigned int top_offset, + unsigned int bottom_offset, unsigned int bpl, + unsigned int padding, unsigned int lines) +{ + u32 instructions; + u32 fields; + __le32 *rp; + int rc; + + fields = 0; + if (UNSET != top_offset) + fields++; + if (UNSET != bottom_offset) + fields++; + + /* estimate risc mem: worst case is one write per page border + + one write per scan line + syncs + jump (all 2 dwords). Padding + can cause next bpl to start close to a page border. First DMA + region may be smaller than PAGE_SIZE */ + /* write and jump need and extra dword */ + instructions = fields * (1 + ((bpl + padding) * lines) / PAGE_SIZE + lines); + instructions += 2; + rc = btcx_riscmem_alloc(pci, risc, instructions*12); + + if (rc < 0) + return rc; + + /* write risc instructions */ + rp = risc->cpu; + + if (UNSET != top_offset) + { + rp = cx25821_risc_field(rp, sglist, top_offset, 0, bpl, padding, lines); + } + + if (UNSET != bottom_offset) + { + rp = cx25821_risc_field(rp, sglist, bottom_offset, 0x200, bpl, padding, lines); + } + + /* save pointer to jmp instruction address */ + risc->jmp = rp; + BUG_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size); + + return 0; +} + + +static __le32* cx25821_risc_field_audio(__le32 *rp, struct scatterlist *sglist, + unsigned int offset, u32 sync_line, + unsigned int bpl, unsigned int padding, + unsigned int lines, unsigned int lpi) +{ + struct scatterlist *sg; + unsigned int line, todo, sol; + + /* sync instruction */ + if (sync_line != NO_SYNC_LINE) + *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line); + + /* scan lines */ + sg = sglist; + for (line = 0; line < lines; line++) { + while (offset && offset >= sg_dma_len(sg)) { + offset -= sg_dma_len(sg); + sg++; + } + + if (lpi && line > 0 && !(line % lpi)) + sol = RISC_SOL | RISC_IRQ1 | RISC_CNT_INC; + else + sol = RISC_SOL; + + if (bpl <= sg_dma_len(sg)-offset) { + /* fits into current chunk */ + *(rp++) = cpu_to_le32(RISC_WRITE|sol|RISC_EOL|bpl); + *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset); + *(rp++)=cpu_to_le32(0); /* bits 63-32 */ + offset+=bpl; + } else { + /* scanline needs to be split */ + todo = bpl; + *(rp++) = cpu_to_le32(RISC_WRITE|sol| + (sg_dma_len(sg)-offset)); + *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset); + *(rp++)=cpu_to_le32(0); /* bits 63-32 */ + todo -= (sg_dma_len(sg)-offset); + offset = 0; + sg++; + while (todo > sg_dma_len(sg)) { + *(rp++)=cpu_to_le32(RISC_WRITE| + sg_dma_len(sg)); + *(rp++)=cpu_to_le32(sg_dma_address(sg)); + *(rp++)=cpu_to_le32(0); /* bits 63-32 */ + todo -= sg_dma_len(sg); + sg++; + } + *(rp++)=cpu_to_le32(RISC_WRITE|RISC_EOL|todo); + *(rp++)=cpu_to_le32(sg_dma_address(sg)); + *(rp++)=cpu_to_le32(0); /* bits 63-32 */ + offset += todo; + } + offset += padding; + } + + return rp; +} + +int cx25821_risc_databuffer_audio(struct pci_dev *pci, + struct btcx_riscmem *risc, + struct scatterlist *sglist, + unsigned int bpl, + unsigned int lines, + unsigned int lpi) +{ + u32 instructions; + __le32 *rp; + int rc; + + /* estimate risc mem: worst case is one write per page border + + one write per scan line + syncs + jump (all 2 dwords). Here + there is no padding and no sync. First DMA region may be smaller + than PAGE_SIZE */ + /* Jump and write need an extra dword */ + instructions = 1 + (bpl * lines) / PAGE_SIZE + lines; + instructions += 1; + + if ((rc = btcx_riscmem_alloc(pci,risc,instructions*12)) < 0) + return rc; + + + /* write risc instructions */ + rp = risc->cpu; + rp = cx25821_risc_field_audio(rp, sglist, 0, NO_SYNC_LINE, bpl, 0, lines, lpi); + + /* save pointer to jmp instruction address */ + risc->jmp = rp; + BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size); + return 0; +} + + +int cx25821_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,u32 reg, u32 mask, u32 value) +{ + __le32 *rp; + int rc; + + rc = btcx_riscmem_alloc(pci, risc, 4*16); + + if (rc < 0) + return rc; + + /* write risc instructions */ + rp = risc->cpu; + + *(rp++) = cpu_to_le32(RISC_WRITECR | RISC_IRQ1); + *(rp++) = cpu_to_le32(reg); + *(rp++) = cpu_to_le32(value); + *(rp++) = cpu_to_le32(mask); + *(rp++) = cpu_to_le32(RISC_JUMP); + *(rp++) = cpu_to_le32(risc->dma); + *(rp++) = cpu_to_le32(0); /* bits 63-32 */ + return 0; +} + +void cx25821_free_buffer(struct videobuf_queue *q, struct cx25821_buffer *buf) +{ + struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); + + BUG_ON(in_interrupt()); + videobuf_waiton(&buf->vb, 0, 0); + videobuf_dma_unmap(q, dma); + videobuf_dma_free(dma); + btcx_riscmem_free(to_pci_dev(q->dev), &buf->risc); + buf->vb.state = VIDEOBUF_NEEDS_INIT; +} + + +static irqreturn_t cx25821_irq(int irq, void *dev_id) +{ + struct cx25821_dev *dev = dev_id; + u32 pci_status, pci_mask; + u32 vid_status; + int i, handled = 0; + u32 mask[8] = {1, 2, 4, 8, 16, 32, 64, 128}; + + pci_status = cx_read(PCI_INT_STAT); + pci_mask = cx_read(PCI_INT_MSK); + + + if (pci_status == 0) + goto out; + + for(i = 0; i < VID_CHANNEL_NUM; i++) + { + if(pci_status & mask[i]) + { + vid_status = cx_read(dev->sram_channels[i].int_stat); + + if(vid_status) + handled += cx25821_video_irq(dev, i, vid_status); + + cx_write(PCI_INT_STAT, mask[i]); + } + } + +out: + return IRQ_RETVAL(handled); +} + +void cx25821_print_irqbits(char *name, char *tag, char **strings, + int len, u32 bits, u32 mask) +{ + unsigned int i; + + printk(KERN_DEBUG "%s: %s [0x%x]", name, tag, bits); + + for (i = 0; i < len; i++) { + if (!(bits & (1 << i))) + continue; + if (strings[i]) + printk(" %s", strings[i]); + else + printk(" %d", i); + if (!(mask & (1 << i))) + continue; + printk("*"); + } + printk("\n"); +} + +struct cx25821_dev* cx25821_dev_get(struct pci_dev *pci) +{ + struct cx25821_dev *dev = pci_get_drvdata(pci); + return dev; +} + +static int __devinit cx25821_initdev(struct pci_dev *pci_dev, const struct pci_device_id *pci_id) +{ + struct cx25821_dev *dev; + int err = 0; + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (NULL == dev) + return -ENOMEM; + + + err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev); + if (err < 0) + goto fail_free; + + /* pci init */ + dev->pci = pci_dev; + if (pci_enable_device(pci_dev)) + { + err = -EIO; + + printk(KERN_INFO "pci enable failed! "); + + goto fail_unregister_device; + } + + printk(KERN_INFO "cx25821 Athena pci enable ! \n"); + + if (cx25821_dev_setup(dev) < 0) + { + err = -EINVAL; + goto fail_unregister_device; + } + + /* print pci info */ + pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev); + pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); + printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, " + "latency: %d, mmio: 0x%llx\n", dev->name, + pci_name(pci_dev), dev->pci_rev, pci_dev->irq, + dev->pci_lat, + (unsigned long long)dev->base_io_addr ); + + + pci_set_master(pci_dev); + if (!pci_dma_supported(pci_dev, 0xffffffff)) + { + printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name); + err = -EIO; + goto fail_irq; + } + + err = request_irq(pci_dev->irq, cx25821_irq, IRQF_SHARED | IRQF_DISABLED, dev->name, dev); + + if (err < 0) + { + printk(KERN_ERR "%s: can't get IRQ %d\n", dev->name, pci_dev->irq); + goto fail_irq; + } + + return 0; + +fail_irq: + printk(KERN_INFO "cx25821 cx25821_initdev() can't get IRQ ! \n"); + cx25821_dev_unregister(dev); + +fail_unregister_device: + v4l2_device_unregister(&dev->v4l2_dev); + +fail_free: + kfree(dev); + return err; +} + +static void __devexit cx25821_finidev(struct pci_dev *pci_dev) +{ + struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); + struct cx25821_dev *dev = get_cx25821(v4l2_dev); + + cx25821_shutdown(dev); + pci_disable_device(pci_dev); + + /* unregister stuff */ + if( pci_dev->irq ) + free_irq(pci_dev->irq, dev); + + + mutex_lock(&devlist); + list_del(&dev->devlist); + mutex_unlock(&devlist); + + cx25821_dev_unregister(dev); + v4l2_device_unregister(v4l2_dev); + kfree(dev); +} + +static struct pci_device_id cx25821_pci_tbl[] = { + { + /* CX25821 Athena*/ + .vendor = 0x14f1, + .device = 0x8210, + .subvendor = 0x14f1, + .subdevice = 0x0920, + }, + { + /* --- end of list --- */ + } +}; + +MODULE_DEVICE_TABLE(pci, cx25821_pci_tbl); + +static struct pci_driver cx25821_pci_driver = +{ + .name = "cx25821", + .id_table = cx25821_pci_tbl, + .probe = cx25821_initdev, + .remove = __devexit_p(cx25821_finidev), + /* TODO */ + .suspend = NULL, + .resume = NULL, +}; + +static int cx25821_init(void) +{ + INIT_LIST_HEAD(&cx25821_devlist); + printk(KERN_INFO "cx25821 driver version %d.%d.%d loaded\n", + (CX25821_VERSION_CODE >> 16) & 0xff, + (CX25821_VERSION_CODE >> 8) & 0xff, + CX25821_VERSION_CODE & 0xff); + return pci_register_driver(&cx25821_pci_driver); +} + +static void cx25821_fini(void) +{ + pci_unregister_driver(&cx25821_pci_driver); +} + + +EXPORT_SYMBOL(cx25821_devlist); +EXPORT_SYMBOL(cx25821_sram_channels); +EXPORT_SYMBOL(cx25821_print_irqbits); +EXPORT_SYMBOL(cx25821_dev_get); +EXPORT_SYMBOL(cx25821_dev_unregister); +EXPORT_SYMBOL(cx25821_sram_channel_setup); +EXPORT_SYMBOL(cx25821_sram_channel_dump); +EXPORT_SYMBOL(cx25821_sram_channel_setup_audio); +EXPORT_SYMBOL(cx25821_sram_channel_dump_audio); +EXPORT_SYMBOL(cx25821_risc_databuffer_audio); +EXPORT_SYMBOL(cx25821_set_gpiopin_direction); + +module_init(cx25821_init); +module_exit(cx25821_fini); + diff --git a/drivers/staging/cx25821/cx25821-gpio.c b/drivers/staging/cx25821/cx25821-gpio.c new file mode 100644 index 0000000..aa029fe --- /dev/null +++ b/drivers/staging/cx25821/cx25821-gpio.c @@ -0,0 +1,116 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "cx25821.h" + + +/********************* GPIO stuffs *********************/ +void cx25821_set_gpiopin_direction( struct cx25821_dev *dev, + int pin_number, + int pin_logic_value) +{ + int bit = pin_number; + u32 gpio_oe_reg = GPIO_LO_OE; + u32 gpio_register = 0; + u32 value = 0; + + // Check for valid pinNumber + if ( pin_number >= 47 ) + return; + + + if ( pin_number > 31 ) + { + bit = pin_number - 31; + gpio_oe_reg = GPIO_HI_OE; + } + + // Here we will make sure that the GPIOs 0 and 1 are output. keep the rest as is + gpio_register = cx_read( gpio_oe_reg ); + + if (pin_logic_value == 1) + { + value = gpio_register | Set_GPIO_Bit(bit) ; + } + else + { + value = gpio_register & Clear_GPIO_Bit(bit) ; + } + + cx_write( gpio_oe_reg, value ); +} + +static void cx25821_set_gpiopin_logicvalue( struct cx25821_dev *dev, + int pin_number, + int pin_logic_value) +{ + int bit = pin_number; + u32 gpio_reg = GPIO_LO; + u32 value = 0; + + + // Check for valid pinNumber + if (pin_number >= 47) + return; + + cx25821_set_gpiopin_direction(dev, pin_number, 0); // change to output direction + + + if ( pin_number > 31 ) + { + bit = pin_number - 31; + gpio_reg = GPIO_HI; + } + + value = cx_read( gpio_reg ); + + + if (pin_logic_value == 0) + { + value &= Clear_GPIO_Bit(bit); + } + else + { + value |= Set_GPIO_Bit(bit); + } + + cx_write( gpio_reg, value); +} + +void cx25821_gpio_init(struct cx25821_dev *dev) +{ + if( dev == NULL ) + { + return; + } + + switch (dev->board) + { + case CX25821_BOARD_CONEXANT_ATHENA10: + default: + //set GPIO 5 to select the path for Medusa/Athena + cx25821_set_gpiopin_logicvalue(dev, 5, 1); + mdelay(20); + break; + } + +} diff --git a/drivers/staging/cx25821/cx25821-gpio.h b/drivers/staging/cx25821/cx25821-gpio.h new file mode 100644 index 0000000..2dd938d --- /dev/null +++ b/drivers/staging/cx25821/cx25821-gpio.h @@ -0,0 +1,3 @@ + +void cx25821_gpio_init(struct athena_dev *dev); + diff --git a/drivers/staging/cx25821/cx25821-i2c.c b/drivers/staging/cx25821/cx25821-i2c.c new file mode 100644 index 0000000..16303f8 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-i2c.c @@ -0,0 +1,437 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
+ * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "cx25821.h" +#include <linux/i2c.h> + + +static unsigned int i2c_debug; +module_param(i2c_debug, int, 0644); +MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]"); + +static unsigned int i2c_scan=0; +module_param(i2c_scan, int, 0444); +MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time"); + +#define dprintk(level, fmt, arg...)\ + do { if (i2c_debug >= level)\ + printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\ + } while (0) + +#define I2C_WAIT_DELAY 32 +#define I2C_WAIT_RETRY 64 + +#define I2C_EXTEND (1 << 3) +#define I2C_NOSTOP (1 << 4) + + +static inline int i2c_slave_did_ack(struct i2c_adapter *i2c_adap) +{ + struct cx25821_i2c *bus = i2c_adap->algo_data; + struct cx25821_dev *dev = bus->dev; + return cx_read(bus->reg_stat) & 0x01; +} + +static inline int i2c_is_busy(struct i2c_adapter *i2c_adap) +{ + struct cx25821_i2c *bus = i2c_adap->algo_data; + struct cx25821_dev *dev = bus->dev; + return cx_read(bus->reg_stat) & 0x02 ? 1 : 0; +} + +static int i2c_wait_done(struct i2c_adapter *i2c_adap) +{ + int count; + + for (count = 0; count < I2C_WAIT_RETRY; count++) { + if (!i2c_is_busy(i2c_adap)) + break; + udelay(I2C_WAIT_DELAY); + } + + if (I2C_WAIT_RETRY == count) + return 0; + + return 1; +} + +static int i2c_sendbytes(struct i2c_adapter *i2c_adap, const struct i2c_msg *msg, int joined_rlen) +{ + struct cx25821_i2c *bus = i2c_adap->algo_data; + struct cx25821_dev *dev = bus->dev; + u32 wdata, addr, ctrl; + int retval, cnt; + + if (joined_rlen) + dprintk(1, "%s(msg->wlen=%d, nextmsg->rlen=%d)\n", __func__, msg->len, joined_rlen); + else + dprintk(1, "%s(msg->len=%d)\n", __func__, msg->len); + + /* Deal with i2c probe functions with zero payload */ + if (msg->len == 0) + { + cx_write(bus->reg_addr, msg->addr << 25); + cx_write(bus->reg_ctrl, bus->i2c_period | (1 << 2)); + + if (!i2c_wait_done(i2c_adap)) + return -EIO; + + if (!i2c_slave_did_ack(i2c_adap)) + return -EIO; + + dprintk(1, "%s() returns 0\n", __func__); + return 0; + } + + /* dev, reg + first byte */ + addr = (msg->addr << 25) | msg->buf[0]; + wdata = msg->buf[0]; + + ctrl = bus->i2c_period | (1 << 12) | (1 << 2); + + if (msg->len > 1) + ctrl |= I2C_NOSTOP | I2C_EXTEND; + else if (joined_rlen) + ctrl |= I2C_NOSTOP; + + cx_write(bus->reg_addr, addr); + cx_write(bus->reg_wdata, wdata); + cx_write(bus->reg_ctrl, ctrl); + + retval = i2c_wait_done(i2c_adap); + if (retval < 0) + goto err; + + if (retval == 0) + goto eio; + + if (i2c_debug) + { + if (!(ctrl & I2C_NOSTOP)) + printk(" >\n"); + } + + for (cnt = 1; cnt < msg->len; cnt++) { + /* following bytes */ + wdata = msg->buf[cnt]; + ctrl = bus->i2c_period | (1 << 12) | (1 << 2); + + if (cnt < msg->len - 1) + ctrl |= I2C_NOSTOP | I2C_EXTEND; + else if (joined_rlen) + ctrl |= I2C_NOSTOP; + + cx_write(bus->reg_addr, addr); + cx_write(bus->reg_wdata, wdata); + cx_write(bus->reg_ctrl, ctrl); + + retval = i2c_wait_done(i2c_adap); + if (retval < 0) + goto err; + + if (retval == 0) + goto eio; + + if (i2c_debug) + { + dprintk(1, " %02x", msg->buf[cnt]); + if (!(ctrl & I2C_NOSTOP)) + dprintk(1, " >\n"); + } + } + + return msg->len; + + eio: + retval = -EIO; + err: + if (i2c_debug) + printk(KERN_ERR " ERR: %d\n", retval); + return retval; +} + +static int i2c_readbytes(struct i2c_adapter *i2c_adap, const struct i2c_msg *msg, int joined) +{ + struct cx25821_i2c *bus = i2c_adap->algo_data; + struct cx25821_dev *dev = bus->dev; + u32 ctrl, cnt; + int retval; + + + if (i2c_debug && !joined) + dprintk(1, "6-%s(msg->len=%d)\n", __func__, msg->len); + + /* Deal with i2c probe functions with zero payload */ + if (msg->len == 0) { + cx_write(bus->reg_addr, msg->addr << 25); + cx_write(bus->reg_ctrl, bus->i2c_period | (1 << 2) | 1); + if (!i2c_wait_done(i2c_adap)) + return -EIO; + if (!i2c_slave_did_ack(i2c_adap)) + return -EIO; + + + dprintk(1, "%s() returns 0\n", __func__); + return 0; + } + + if (i2c_debug) { + if (joined) + dprintk(1, " R"); + else + dprintk(1, " <R %02x", (msg->addr << 1) + 1); + } + + for (cnt = 0; cnt < msg->len; cnt++) { + + ctrl = bus->i2c_period | (1 << 12) | (1 << 2) | 1; + + if (cnt < msg->len - 1) + ctrl |= I2C_NOSTOP | I2C_EXTEND; + + + cx_write(bus->reg_addr, msg->addr << 25); + cx_write(bus->reg_ctrl, ctrl); + + retval = i2c_wait_done(i2c_adap); + if (retval < 0) + goto err; + if (retval == 0) + goto eio; + msg->buf[cnt] = cx_read(bus->reg_rdata) & 0xff; + + if (i2c_debug) { + dprintk(1, " %02x", msg->buf[cnt]); + if (!(ctrl & I2C_NOSTOP)) + dprintk(1, " >\n"); + } + } + + return msg->len; + eio: + retval = -EIO; + err: + if (i2c_debug) + printk(KERN_ERR " ERR: %d\n", retval); + return retval; +} + +static int i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num) +{ + struct cx25821_i2c *bus = i2c_adap->algo_data; + struct cx25821_dev *dev = bus->dev; + int i, retval = 0; + + dprintk(1, "%s(num = %d)\n", __func__, num); + + for (i = 0 ; i < num; i++) + { + dprintk(1, "%s(num = %d) addr = 0x%02x len = 0x%x\n", + __func__, num, msgs[i].addr, msgs[i].len); + + if (msgs[i].flags & I2C_M_RD) + { + /* read */ + retval = i2c_readbytes(i2c_adap, &msgs[i], 0); + } + else if (i + 1 < num && (msgs[i + 1].flags & I2C_M_RD) && + msgs[i].addr == msgs[i + 1].addr) + { + /* write then read from same address */ + retval = i2c_sendbytes(i2c_adap, &msgs[i], msgs[i + 1].len); + + if (retval < 0) + goto err; + i++; + retval = i2c_readbytes(i2c_adap, &msgs[i], 1); + } + else + { + /* write */ + retval = i2c_sendbytes(i2c_adap, &msgs[i], 0); + } + + if (retval < 0) + goto err; + } + return num; + + err: + return retval; +}
+ + +static u32 cx25821_functionality(struct i2c_adapter *adap) +{ + return I2C_FUNC_SMBUS_EMUL | + I2C_FUNC_I2C | + I2C_FUNC_SMBUS_WORD_DATA | + I2C_FUNC_SMBUS_READ_WORD_DATA | + I2C_FUNC_SMBUS_WRITE_WORD_DATA; +} + +static struct i2c_algorithm cx25821_i2c_algo_template = { + .master_xfer = i2c_xfer, + .functionality = cx25821_functionality, +}; + + +static struct i2c_adapter cx25821_i2c_adap_template = { + .name = "cx25821", + .owner = THIS_MODULE, + .id = I2C_HW_B_CX25821, + .algo = &cx25821_i2c_algo_template,
+}; + +static struct i2c_client cx25821_i2c_client_template = { + .name = "cx25821 internal", +}; + +/* init + register i2c algo-bit adapter */ +int cx25821_i2c_register(struct cx25821_i2c *bus) +{ + struct cx25821_dev *dev = bus->dev; + + dprintk(1, "%s(bus = %d)\n", __func__, bus->nr); + + memcpy(&bus->i2c_adap, &cx25821_i2c_adap_template, + sizeof(bus->i2c_adap)); + memcpy(&bus->i2c_algo, &cx25821_i2c_algo_template, + sizeof(bus->i2c_algo)); + memcpy(&bus->i2c_client, &cx25821_i2c_client_template, + sizeof(bus->i2c_client)); + + bus->i2c_adap.dev.parent = &dev->pci->dev; + + strlcpy(bus->i2c_adap.name, bus->dev->name, sizeof(bus->i2c_adap.name)); + + bus->i2c_algo.data = bus; + bus->i2c_adap.algo_data = bus;
+ i2c_set_adapdata(&bus->i2c_adap, &dev->v4l2_dev); + i2c_add_adapter(&bus->i2c_adap); + + bus->i2c_client.adapter = &bus->i2c_adap; + + //set up the I2c + bus->i2c_client.addr = (0x88>>1); + + return bus->i2c_rc; +} + +int cx25821_i2c_unregister(struct cx25821_i2c *bus) +{ + i2c_del_adapter(&bus->i2c_adap); + return 0; +} + +void cx25821_av_clk(struct cx25821_dev *dev, int enable) +{ + /* write 0 to bus 2 addr 0x144 via i2x_xfer() */ + char buffer[3]; + struct i2c_msg msg; + dprintk(1, "%s(enabled = %d)\n", __func__, enable); + + /* Register 0x144 */ + buffer[0] = 0x01; + buffer[1] = 0x44; + if (enable == 1) + buffer[2] = 0x05; + else + buffer[2] = 0x00; + + msg.addr = 0x44; + msg.flags = I2C_M_TEN; + msg.len = 3; + msg.buf = buffer; + + i2c_xfer(&dev->i2c_bus[0].i2c_adap, &msg, 1); +} + + +int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value) +{ + struct i2c_client *client = &bus->i2c_client; + int retval = 0; + int v = 0; + u8 addr[2] = {0, 0}; + u8 buf[4] = {0,0,0,0}; + + struct i2c_msg msgs[2]={ + { + .addr = client->addr, + .flags = 0, + .len = 2, + .buf = addr, + }, { + .addr = client->addr, + .flags = I2C_M_RD, + .len = 4, + .buf = buf, + } + }; + + + addr[0] = (reg_addr>>8); + addr[1] = (reg_addr & 0xff); + msgs[0].addr = 0x44; + msgs[1].addr = 0x44; + + retval = i2c_xfer(client->adapter, msgs, 2); + + v = (buf[3]<<24) | (buf[2]<<16) | (buf[1]<<8) | buf[0]; + *value = v; + + return v; +} + + +int cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value) +{ + struct i2c_client *client = &bus->i2c_client; + int retval = 0; + u8 buf[6] = {0, 0, 0, 0, 0, 0}; + + struct i2c_msg msgs[1]={ + { + .addr = client->addr, + .flags = 0, + .len = 6, + .buf = buf, + } + }; + + + buf[0] = reg_addr>>8; + buf[1] = reg_addr & 0xff; + buf[5] = (value>>24) & 0xff; + buf[4] = (value>>16) & 0xff; + buf[3] = (value>>8) & 0xff; + buf[2] = value & 0xff; + client->flags = 0; + msgs[0].addr = 0x44; + + retval = i2c_xfer(client->adapter, msgs, 1); + + return retval; +} + diff --git a/drivers/staging/cx25821/cx25821-medusa-defines.h b/drivers/staging/cx25821/cx25821-medusa-defines.h new file mode 100644 index 0000000..75161e4 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-medusa-defines.h @@ -0,0 +1,51 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _MEDUSA_DEF_H_
+#define _MEDUSA_DEF_H_ +
+// Video deocder that we supported
+#define VDEC_A 0
+#define VDEC_B 1
+#define VDEC_C 2
+#define VDEC_D 3
+#define VDEC_E 4
+#define VDEC_F 5
+#define VDEC_G 6
+#define VDEC_H 7
+
+//#define AUTO_SWITCH_BIT[] = { 8, 9, 10, 11, 12, 13, 14, 15 }; +
+// The following bit position enables automatic source switching for decoder A-H.
+// Display index per camera.
+//#define VDEC_INDEX[] = {0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7}; +
+// Select input bit to video decoder A-H.
+//#define CH_SRC_SEL_BIT[] = {24, 25, 26, 27, 28, 29, 30, 31}; +
+// end of display sequence
+#define END_OF_SEQ 0xF;
+
+// registry string size
+#define MAX_REGISTRY_SZ 40;
+
+#endif diff --git a/drivers/staging/cx25821/cx25821-medusa-reg.h b/drivers/staging/cx25821/cx25821-medusa-reg.h new file mode 100644 index 0000000..b877cd2 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-medusa-reg.h @@ -0,0 +1,456 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __MEDUSA_REGISTERS__
+#define __MEDUSA_REGISTERS__
+
+// Serial Slave Registers
+#define HOST_REGISTER1 0x0000
+#define HOST_REGISTER2 0x0001
+
+// Chip Configuration Registers
+#define CHIP_CTRL 0x0100
+#define AFE_AB_CTRL 0x0104
+#define AFE_CD_CTRL 0x0108
+#define AFE_EF_CTRL 0x010C
+#define AFE_GH_CTRL 0x0110
+#define DENC_AB_CTRL 0x0114
+#define BYP_AB_CTRL 0x0118
+#define MON_A_CTRL 0x011C
+#define DISP_SEQ_A 0x0120
+#define DISP_SEQ_B 0x0124
+#define DISP_AB_CNT 0x0128
+#define DISP_CD_CNT 0x012C
+#define DISP_EF_CNT 0x0130
+#define DISP_GH_CNT 0x0134
+#define DISP_IJ_CNT 0x0138
+#define PIN_OE_CTRL 0x013C
+#define PIN_SPD_CTRL 0x0140
+#define PIN_SPD_CTRL2 0x0144
+#define IRQ_STAT_CTRL 0x0148
+#define POWER_CTRL_AB 0x014C
+#define POWER_CTRL_CD 0x0150
+#define POWER_CTRL_EF 0x0154
+#define POWER_CTRL_GH 0x0158
+#define TUNE_CTRL 0x015C
+#define BIAS_CTRL 0x0160
+#define AFE_AB_DIAG_CTRL 0x0164
+#define AFE_CD_DIAG_CTRL 0x0168
+#define AFE_EF_DIAG_CTRL 0x016C
+#define AFE_GH_DIAG_CTRL 0x0170
+#define PLL_AB_DIAG_CTRL 0x0174
+#define PLL_CD_DIAG_CTRL 0x0178
+#define PLL_EF_DIAG_CTRL 0x017C
+#define PLL_GH_DIAG_CTRL 0x0180
+#define TEST_CTRL 0x0184
+#define BIST_STAT 0x0188
+#define BIST_STAT2 0x018C
+#define BIST_VID_PLL_AB_STAT 0x0190
+#define BIST_VID_PLL_CD_STAT 0x0194
+#define BIST_VID_PLL_EF_STAT 0x0198
+#define BIST_VID_PLL_GH_STAT 0x019C
+#define DLL_DIAG_CTRL 0x01A0
+#define DEV_CH_ID_CTRL 0x01A4
+#define ABIST_CTRL_STATUS 0x01A8
+#define ABIST_FREQ 0x01AC
+#define ABIST_GOERT_SHIFT 0x01B0
+#define ABIST_COEF12 0x01B4
+#define ABIST_COEF34 0x01B8
+#define ABIST_COEF56 0x01BC
+#define ABIST_COEF7_SNR 0x01C0
+#define ABIST_ADC_CAL 0x01C4
+#define ABIST_BIN1_VGA0 0x01C8
+#define ABIST_BIN2_VGA1 0x01CC
+#define ABIST_BIN3_VGA2 0x01D0
+#define ABIST_BIN4_VGA3 0x01D4
+#define ABIST_BIN5_VGA4 0x01D8
+#define ABIST_BIN6_VGA5 0x01DC
+#define ABIST_BIN7_VGA6 0x0x1E0
+#define ABIST_CLAMP_A 0x0x1E4
+#define ABIST_CLAMP_B 0x0x1E8
+#define ABIST_CLAMP_C 0x01EC
+#define ABIST_CLAMP_D 0x01F0
+#define ABIST_CLAMP_E 0x01F4
+#define ABIST_CLAMP_F 0x01F8
+
+// Digital Video Encoder A Registers
+#define DENC_A_REG_1 0x0200
+#define DENC_A_REG_2 0x0204
+#define DENC_A_REG_3 0x0208
+#define DENC_A_REG_4 0x020C
+#define DENC_A_REG_5 0x0210
+#define DENC_A_REG_6 0x0214
+#define DENC_A_REG_7 0x0218
+#define DENC_A_REG_8 0x021C
+
+// Digital Video Encoder B Registers
+#define DENC_B_REG_1 0x0300
+#define DENC_B_REG_2 0x0304
+#define DENC_B_REG_3 0x0308
+#define DENC_B_REG_4 0x030C
+#define DENC_B_REG_5 0x0310
+#define DENC_B_REG_6 0x0314
+#define DENC_B_REG_7 0x0318
+#define DENC_B_REG_8 0x031C
+
+// Video Decoder A Registers
+#define MODE_CTRL 0x1000
+#define OUT_CTRL1 0x1004
+#define OUT_CTRL_NS 0x1008
+#define GEN_STAT 0x100C
+#define INT_STAT_MASK 0x1010
+#define LUMA_CTRL 0x1014
+#define CHROMA_CTRL 0x1018
+#define CRUSH_CTRL 0x101C
+#define HORIZ_TIM_CTRL 0x1020
+#define VERT_TIM_CTRL 0x1024
+#define MISC_TIM_CTRL 0x1028
+#define FIELD_COUNT 0x102C
+#define HSCALE_CTRL 0x1030
+#define VSCALE_CTRL 0x1034
+#define MAN_VGA_CTRL 0x1038
+#define MAN_AGC_CTRL 0x103C
+#define DFE_CTRL1 0x1040
+#define DFE_CTRL2 0x1044
+#define DFE_CTRL3 0x1048
+#define PLL_CTRL 0x104C
+#define PLL_CTRL_FAST 0x1050
+#define HTL_CTRL 0x1054
+#define SRC_CFG 0x1058
+#define SC_STEP_SIZE 0x105C
+#define SC_CONVERGE_CTRL 0x1060
+#define SC_LOOP_CTRL 0x1064
+#define COMB_2D_HFS_CFG 0x1068
+#define COMB_2D_HFD_CFG 0x106C
+#define COMB_2D_LF_CFG 0x1070
+#define COMB_2D_BLEND 0x1074
+#define COMB_MISC_CTRL 0x1078
+#define COMB_FLAT_THRESH_CTRL 0x107C
+#define COMB_TEST 0x1080
+#define BP_MISC_CTRL 0x1084
+#define VCR_DET_CTRL 0x1088
+#define NOISE_DET_CTRL 0x108C
+#define COMB_FLAT_NOISE_CTRL 0x1090
+#define VERSION 0x11F8
+#define SOFT_RST_CTRL 0x11FC
+
+// Video Decoder B Registers
+#define VDEC_B_MODE_CTRL 0x1200
+#define VDEC_B_OUT_CTRL1 0x1204
+#define VDEC_B_OUT_CTRL_NS 0x1208
+#define VDEC_B_GEN_STAT 0x120C
+#define VDEC_B_INT_STAT_MASK 0x1210
+#define VDEC_B_LUMA_CTRL 0x1214
+#define VDEC_B_CHROMA_CTRL 0x1218
+#define VDEC_B_CRUSH_CTRL 0x121C
+#define VDEC_B_HORIZ_TIM_CTRL 0x1220
+#define VDEC_B_VERT_TIM_CTRL 0x1224
+#define VDEC_B_MISC_TIM_CTRL 0x1228
+#define VDEC_B_FIELD_COUNT 0x122C
+#define VDEC_B_HSCALE_CTRL 0x1230
+#define VDEC_B_VSCALE_CTRL 0x1234
+#define VDEC_B_MAN_VGA_CTRL 0x1238
+#define VDEC_B_MAN_AGC_CTRL 0x123C
+#define VDEC_B_DFE_CTRL1 0x1240
+#define VDEC_B_DFE_CTRL2 0x1244
+#define VDEC_B_DFE_CTRL3 0x1248
+#define VDEC_B_PLL_CTRL 0x124C
+#define VDEC_B_PLL_CTRL_FAST 0x1250
+#define VDEC_B_HTL_CTRL 0x1254
+#define VDEC_B_SRC_CFG 0x1258
+#define VDEC_B_SC_STEP_SIZE 0x125C
+#define VDEC_B_SC_CONVERGE_CTRL 0x1260
+#define VDEC_B_SC_LOOP_CTRL 0x1264
+#define VDEC_B_COMB_2D_HFS_CFG 0x1268
+#define VDEC_B_COMB_2D_HFD_CFG 0x126C
+#define VDEC_B_COMB_2D_LF_CFG 0x1270
+#define VDEC_B_COMB_2D_BLEND 0x1274
+#define VDEC_B_COMB_MISC_CTRL 0x1278
+#define VDEC_B_COMB_FLAT_THRESH_CTRL 0x127C
+#define VDEC_B_COMB_TEST 0x1280
+#define VDEC_B_BP_MISC_CTRL 0x1284
+#define VDEC_B_VCR_DET_CTRL 0x1288
+#define VDEC_B_NOISE_DET_CTRL 0x128C
+#define VDEC_B_COMB_FLAT_NOISE_CTRL 0x1290
+#define VDEC_B_VERSION 0x13F8
+#define VDEC_B_SOFT_RST_CTRL 0x13FC
+
+// Video Decoder C Registers
+#define VDEC_C_MODE_CTRL 0x1400
+#define VDEC_C_OUT_CTRL1 0x1404
+#define VDEC_C_OUT_CTRL_NS 0x1408
+#define VDEC_C_GEN_STAT 0x140C
+#define VDEC_C_INT_STAT_MASK 0x1410
+#define VDEC_C_LUMA_CTRL 0x1414
+#define VDEC_C_CHROMA_CTRL 0x1418
+#define VDEC_C_CRUSH_CTRL 0x141C
+#define VDEC_C_HORIZ_TIM_CTRL 0x1420
+#define VDEC_C_VERT_TIM_CTRL 0x1424
+#define VDEC_C_MISC_TIM_CTRL 0x1428
+#define VDEC_C_FIELD_COUNT 0x142C
+#define VDEC_C_HSCALE_CTRL 0x1430
+#define VDEC_C_VSCALE_CTRL 0x1434
+#define VDEC_C_MAN_VGA_CTRL 0x1438
+#define VDEC_C_MAN_AGC_CTRL 0x143C
+#define VDEC_C_DFE_CTRL1 0x1440
+#define VDEC_C_DFE_CTRL2 0x1444
+#define VDEC_C_DFE_CTRL3 0x1448
+#define VDEC_C_PLL_CTRL 0x144C
+#define VDEC_C_PLL_CTRL_FAST 0x1450
+#define VDEC_C_HTL_CTRL 0x1454
+#define VDEC_C_SRC_CFG 0x1458
+#define VDEC_C_SC_STEP_SIZE 0x145C
+#define VDEC_C_SC_CONVERGE_CTRL 0x1460
+#define VDEC_C_SC_LOOP_CTRL 0x1464
+#define VDEC_C_COMB_2D_HFS_CFG 0x1468
+#define VDEC_C_COMB_2D_HFD_CFG 0x146C
+#define VDEC_C_COMB_2D_LF_CFG 0x1470
+#define VDEC_C_COMB_2D_BLEND 0x1474
+#define VDEC_C_COMB_MISC_CTRL 0x1478
+#define VDEC_C_COMB_FLAT_THRESH_CTRL 0x147C
+#define VDEC_C_COMB_TEST 0x1480
+#define VDEC_C_BP_MISC_CTRL 0x1484
+#define VDEC_C_VCR_DET_CTRL 0x1488
+#define VDEC_C_NOISE_DET_CTRL 0x148C
+#define VDEC_C_COMB_FLAT_NOISE_CTRL 0x1490
+#define VDEC_C_VERSION 0x15F8
+#define VDEC_C_SOFT_RST_CTRL 0x15FC
+
+// Video Decoder D Registers
+#define VDEC_D_MODE_CTRL 0x1600
+#define VDEC_D_OUT_CTRL1 0x1604
+#define VDEC_D_OUT_CTRL_NS 0x1608
+#define VDEC_D_GEN_STAT 0x160C
+#define VDEC_D_INT_STAT_MASK 0x1610
+#define VDEC_D_LUMA_CTRL 0x1614
+#define VDEC_D_CHROMA_CTRL 0x1618
+#define VDEC_D_CRUSH_CTRL 0x161C
+#define VDEC_D_HORIZ_TIM_CTRL 0x1620
+#define VDEC_D_VERT_TIM_CTRL 0x1624
+#define VDEC_D_MISC_TIM_CTRL 0x1628
+#define VDEC_D_FIELD_COUNT 0x162C
+#define VDEC_D_HSCALE_CTRL 0x1630
+#define VDEC_D_VSCALE_CTRL 0x1634
+#define VDEC_D_MAN_VGA_CTRL 0x1638
+#define VDEC_D_MAN_AGC_CTRL 0x163C
+#define VDEC_D_DFE_CTRL1 0x1640
+#define VDEC_D_DFE_CTRL2 0x1644
+#define VDEC_D_DFE_CTRL3 0x1648
+#define VDEC_D_PLL_CTRL 0x164C
+#define VDEC_D_PLL_CTRL_FAST 0x1650
+#define VDEC_D_HTL_CTRL 0x1654
+#define VDEC_D_SRC_CFG 0x1658
+#define VDEC_D_SC_STEP_SIZE 0x165C
+#define VDEC_D_SC_CONVERGE_CTRL 0x1660
+#define VDEC_D_SC_LOOP_CTRL 0x1664
+#define VDEC_D_COMB_2D_HFS_CFG 0x1668
+#define VDEC_D_COMB_2D_HFD_CFG 0x166C
+#define VDEC_D_COMB_2D_LF_CFG 0x1670
+#define VDEC_D_COMB_2D_BLEND 0x1674
+#define VDEC_D_COMB_MISC_CTRL 0x1678
+#define VDEC_D_COMB_FLAT_THRESH_CTRL 0x167C
+#define VDEC_D_COMB_TEST 0x1680
+#define VDEC_D_BP_MISC_CTRL 0x1684
+#define VDEC_D_VCR_DET_CTRL 0x1688
+#define VDEC_D_NOISE_DET_CTRL 0x168C
+#define VDEC_D_COMB_FLAT_NOISE_CTRL 0x1690
+#define VDEC_D_VERSION 0x17F8
+#define VDEC_D_SOFT_RST_CTRL 0x17FC
+
+// Video Decoder E Registers
+#define VDEC_E_MODE_CTRL 0x1800
+#define VDEC_E_OUT_CTRL1 0x1804
+#define VDEC_E_OUT_CTRL_NS 0x1808
+#define VDEC_E_GEN_STAT 0x180C
+#define VDEC_E_INT_STAT_MASK 0x1810
+#define VDEC_E_LUMA_CTRL 0x1814
+#define VDEC_E_CHROMA_CTRL 0x1818
+#define VDEC_E_CRUSH_CTRL 0x181C
+#define VDEC_E_HORIZ_TIM_CTRL 0x1820
+#define VDEC_E_VERT_TIM_CTRL 0x1824
+#define VDEC_E_MISC_TIM_CTRL 0x1828
+#define VDEC_E_FIELD_COUNT 0x182C
+#define VDEC_E_HSCALE_CTRL 0x1830
+#define VDEC_E_VSCALE_CTRL 0x1834
+#define VDEC_E_MAN_VGA_CTRL 0x1838
+#define VDEC_E_MAN_AGC_CTRL 0x183C
+#define VDEC_E_DFE_CTRL1 0x1840
+#define VDEC_E_DFE_CTRL2 0x1844
+#define VDEC_E_DFE_CTRL3 0x1848
+#define VDEC_E_PLL_CTRL 0x184C
+#define VDEC_E_PLL_CTRL_FAST 0x1850
+#define VDEC_E_HTL_CTRL 0x1854
+#define VDEC_E_SRC_CFG 0x1858
+#define VDEC_E_SC_STEP_SIZE 0x185C
+#define VDEC_E_SC_CONVERGE_CTRL 0x1860
+#define VDEC_E_SC_LOOP_CTRL 0x1864
+#define VDEC_E_COMB_2D_HFS_CFG 0x1868
+#define VDEC_E_COMB_2D_HFD_CFG 0x186C
+#define VDEC_E_COMB_2D_LF_CFG 0x1870
+#define VDEC_E_COMB_2D_BLEND 0x1874
+#define VDEC_E_COMB_MISC_CTRL 0x1878
+#define VDEC_E_COMB_FLAT_THRESH_CTRL 0x187C
+#define VDEC_E_COMB_TEST 0x1880
+#define VDEC_E_BP_MISC_CTRL 0x1884
+#define VDEC_E_VCR_DET_CTRL 0x1888
+#define VDEC_E_NOISE_DET_CTRL 0x188C
+#define VDEC_E_COMB_FLAT_NOISE_CTRL 0x1890
+#define VDEC_E_VERSION 0x19F8
+#define VDEC_E_SOFT_RST_CTRL 0x19FC
+
+// Video Decoder F Registers
+#define VDEC_F_MODE_CTRL 0x1A00
+#define VDEC_F_OUT_CTRL1 0x1A04
+#define VDEC_F_OUT_CTRL_NS 0x1A08
+#define VDEC_F_GEN_STAT 0x1A0C
+#define VDEC_F_INT_STAT_MASK 0x1A10
+#define VDEC_F_LUMA_CTRL 0x1A14
+#define VDEC_F_CHROMA_CTRL 0x1A18
+#define VDEC_F_CRUSH_CTRL 0x1A1C
+#define VDEC_F_HORIZ_TIM_CTRL 0x1A20
+#define VDEC_F_VERT_TIM_CTRL 0x1A24
+#define VDEC_F_MISC_TIM_CTRL 0x1A28
+#define VDEC_F_FIELD_COUNT 0x1A2C
+#define VDEC_F_HSCALE_CTRL 0x1A30
+#define VDEC_F_VSCALE_CTRL 0x1A34
+#define VDEC_F_MAN_VGA_CTRL 0x1A38
+#define VDEC_F_MAN_AGC_CTRL 0x1A3C
+#define VDEC_F_DFE_CTRL1 0x1A40
+#define VDEC_F_DFE_CTRL2 0x1A44
+#define VDEC_F_DFE_CTRL3 0x1A48
+#define VDEC_F_PLL_CTRL 0x1A4C
+#define VDEC_F_PLL_CTRL_FAST 0x1A50
+#define VDEC_F_HTL_CTRL 0x1A54
+#define VDEC_F_SRC_CFG 0x1A58
+#define VDEC_F_SC_STEP_SIZE 0x1A5C
+#define VDEC_F_SC_CONVERGE_CTRL 0x1A60
+#define VDEC_F_SC_LOOP_CTRL 0x1A64
+#define VDEC_F_COMB_2D_HFS_CFG 0x1A68
+#define VDEC_F_COMB_2D_HFD_CFG 0x1A6C
+#define VDEC_F_COMB_2D_LF_CFG 0x1A70
+#define VDEC_F_COMB_2D_BLEND 0x1A74
+#define VDEC_F_COMB_MISC_CTRL 0x1A78
+#define VDEC_F_COMB_FLAT_THRESH_CTRL 0x1A7C
+#define VDEC_F_COMB_TEST 0x1A80
+#define VDEC_F_BP_MISC_CTRL 0x1A84
+#define VDEC_F_VCR_DET_CTRL 0x1A88
+#define VDEC_F_NOISE_DET_CTRL 0x1A8C
+#define VDEC_F_COMB_FLAT_NOISE_CTRL 0x1A90
+#define VDEC_F_VERSION 0x1BF8
+#define VDEC_F_SOFT_RST_CTRL 0x1BFC
+
+// Video Decoder G Registers
+#define VDEC_G_MODE_CTRL 0x1C00
+#define VDEC_G_OUT_CTRL1 0x1C04
+#define VDEC_G_OUT_CTRL_NS 0x1C08
+#define VDEC_G_GEN_STAT 0x1C0C
+#define VDEC_G_INT_STAT_MASK 0x1C10
+#define VDEC_G_LUMA_CTRL 0x1C14
+#define VDEC_G_CHROMA_CTRL 0x1C18
+#define VDEC_G_CRUSH_CTRL 0x1C1C
+#define VDEC_G_HORIZ_TIM_CTRL 0x1C20
+#define VDEC_G_VERT_TIM_CTRL 0x1C24
+#define VDEC_G_MISC_TIM_CTRL 0x1C28
+#define VDEC_G_FIELD_COUNT 0x1C2C
+#define VDEC_G_HSCALE_CTRL 0x1C30
+#define VDEC_G_VSCALE_CTRL 0x1C34
+#define VDEC_G_MAN_VGA_CTRL 0x1C38
+#define VDEC_G_MAN_AGC_CTRL 0x1C3C
+#define VDEC_G_DFE_CTRL1 0x1C40
+#define VDEC_G_DFE_CTRL2 0x1C44
+#define VDEC_G_DFE_CTRL3 0x1C48
+#define VDEC_G_PLL_CTRL 0x1C4C
+#define VDEC_G_PLL_CTRL_FAST 0x1C50
+#define VDEC_G_HTL_CTRL 0x1C54
+#define VDEC_G_SRC_CFG 0x1C58
+#define VDEC_G_SC_STEP_SIZE 0x1C5C
+#define VDEC_G_SC_CONVERGE_CTRL 0x1C60
+#define VDEC_G_SC_LOOP_CTRL 0x1C64
+#define VDEC_G_COMB_2D_HFS_CFG 0x1C68
+#define VDEC_G_COMB_2D_HFD_CFG 0x1C6C
+#define VDEC_G_COMB_2D_LF_CFG 0x1C70
+#define VDEC_G_COMB_2D_BLEND 0x1C74
+#define VDEC_G_COMB_MISC_CTRL 0x1C78
+#define VDEC_G_COMB_FLAT_THRESH_CTRL 0x1C7C
+#define VDEC_G_COMB_TEST 0x1C80
+#define VDEC_G_BP_MISC_CTRL 0x1C84
+#define VDEC_G_VCR_DET_CTRL 0x1C88
+#define VDEC_G_NOISE_DET_CTRL 0x1C8C
+#define VDEC_G_COMB_FLAT_NOISE_CTRL 0x1C90
+#define VDEC_G_VERSION 0x1DF8
+#define VDEC_G_SOFT_RST_CTRL 0x1DFC
+
+// Video Decoder H Registers
+#define VDEC_H_MODE_CTRL 0x1E00
+#define VDEC_H_OUT_CTRL1 0x1E04
+#define VDEC_H_OUT_CTRL_NS 0x1E08
+#define VDEC_H_GEN_STAT 0x1E0C
+#define VDEC_H_INT_STAT_MASK 0x1E1E
+#define VDEC_H_LUMA_CTRL 0x1E14
+#define VDEC_H_CHROMA_CTRL 0x1E18
+#define VDEC_H_CRUSH_CTRL 0x1E1C
+#define VDEC_H_HORIZ_TIM_CTRL 0x1E20
+#define VDEC_H_VERT_TIM_CTRL 0x1E24
+#define VDEC_H_MISC_TIM_CTRL 0x1E28
+#define VDEC_H_FIELD_COUNT 0x1E2C
+#define VDEC_H_HSCALE_CTRL 0x1E30
+#define VDEC_H_VSCALE_CTRL 0x1E34
+#define VDEC_H_MAN_VGA_CTRL 0x1E38
+#define VDEC_H_MAN_AGC_CTRL 0x1E3C
+#define VDEC_H_DFE_CTRL1 0x1E40
+#define VDEC_H_DFE_CTRL2 0x1E44
+#define VDEC_H_DFE_CTRL3 0x1E48
+#define VDEC_H_PLL_CTRL 0x1E4C
+#define VDEC_H_PLL_CTRL_FAST 0x1E50
+#define VDEC_H_HTL_CTRL 0x1E54
+#define VDEC_H_SRC_CFG 0x1E58
+#define VDEC_H_SC_STEP_SIZE 0x1E5C
+#define VDEC_H_SC_CONVERGE_CTRL 0x1E60
+#define VDEC_H_SC_LOOP_CTRL 0x1E64
+#define VDEC_H_COMB_2D_HFS_CFG 0x1E68
+#define VDEC_H_COMB_2D_HFD_CFG 0x1E6C
+#define VDEC_H_COMB_2D_LF_CFG 0x1E70
+#define VDEC_H_COMB_2D_BLEND 0x1E74
+#define VDEC_H_COMB_MISC_CTRL 0x1E78
+#define VDEC_H_COMB_FLAT_THRESH_CTRL 0x1E7C
+#define VDEC_H_COMB_TEST 0x1E80
+#define VDEC_H_BP_MISC_CTRL 0x1E84
+#define VDEC_H_VCR_DET_CTRL 0x1E88
+#define VDEC_H_NOISE_DET_CTRL 0x1E8C
+#define VDEC_H_COMB_FLAT_NOISE_CTRL 0x1E90
+#define VDEC_H_VERSION 0x1FF8
+#define VDEC_H_SOFT_RST_CTRL 0x1FFC
+
+//*****************************************************************************
+// LUMA_CTRL register fields
+#define VDEC_A_BRITE_CTRL 0x1014
+#define VDEC_A_CNTRST_CTRL 0x1015
+#define VDEC_A_PEAK_SEL 0x1016
+
+//*****************************************************************************
+// CHROMA_CTRL register fields
+#define VDEC_A_USAT_CTRL 0x1018
+#define VDEC_A_VSAT_CTRL 0x1019
+#define VDEC_A_HUE_CTRL 0x101A
+
+
+#endif diff --git a/drivers/staging/cx25821/cx25821-medusa-video.c b/drivers/staging/cx25821/cx25821-medusa-video.c new file mode 100644 index 0000000..6225f10 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-medusa-video.c @@ -0,0 +1,769 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx25821.h" +#include "cx25821-medusa-video.h" +#include "cx25821-biffuncs.h" + + +///////////////////////////////////////////////////////////////////////////////////////// +//medusa_enable_bluefield_output() +// +// Enable the generation of blue filed output if no video +// +static void medusa_enable_bluefield_output(struct cx25821_dev *dev, int channel, int enable) +{ + int ret_val = 1; + u32 value = 0; + u32 tmp = 0; + int out_ctrl = OUT_CTRL1; + int out_ctrl_ns = OUT_CTRL_NS; + + + switch (channel) + { + default: + case VDEC_A: + break; + case VDEC_B: + out_ctrl = VDEC_B_OUT_CTRL1; + out_ctrl_ns = VDEC_B_OUT_CTRL_NS; + break; + case VDEC_C: + out_ctrl = VDEC_C_OUT_CTRL1; + out_ctrl_ns = VDEC_C_OUT_CTRL_NS; + break; + case VDEC_D: + out_ctrl = VDEC_D_OUT_CTRL1; + out_ctrl_ns = VDEC_D_OUT_CTRL_NS; + break; + case VDEC_E: + out_ctrl = VDEC_E_OUT_CTRL1; + out_ctrl_ns = VDEC_E_OUT_CTRL_NS; + return; + case VDEC_F: + out_ctrl = VDEC_F_OUT_CTRL1; + out_ctrl_ns = VDEC_F_OUT_CTRL_NS; + return; + case VDEC_G: + out_ctrl = VDEC_G_OUT_CTRL1; + out_ctrl_ns = VDEC_G_OUT_CTRL_NS; + return; + case VDEC_H: + out_ctrl = VDEC_H_OUT_CTRL1; + out_ctrl_ns = VDEC_H_OUT_CTRL_NS; + return; + } + + value = cx25821_i2c_read(&dev->i2c_bus[0], out_ctrl, &tmp); + value &= 0xFFFFFF7F; // clear BLUE_FIELD_EN + if (enable) + value |= 0x00000080; // set BLUE_FIELD_EN + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], out_ctrl, value); + + value = cx25821_i2c_read(&dev->i2c_bus[0], out_ctrl_ns, &tmp); + value &= 0xFFFFFF7F; + if (enable) + value |= 0x00000080; // set BLUE_FIELD_EN + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], out_ctrl_ns, value); +} + + +static int medusa_initialize_ntsc(struct cx25821_dev *dev) +{ + int ret_val = 0; + int i = 0; + u32 value = 0; + u32 tmp = 0; + + mutex_lock(&dev->lock); + + + for (i=0; i < MAX_DECODERS; i++) + { + // set video format NTSC-M + value = cx25821_i2c_read(&dev->i2c_bus[0], MODE_CTRL+(0x200*i), &tmp); + value &= 0xFFFFFFF0; + value |= 0x10001; // enable the fast locking mode bit[16] + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MODE_CTRL+(0x200*i), value); + + // resolution NTSC 720x480 + value = cx25821_i2c_read(&dev->i2c_bus[0], HORIZ_TIM_CTRL+(0x200*i), &tmp); + value &= 0x00C00C00; + value |= 0x612D0074; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HORIZ_TIM_CTRL+(0x200*i), value); + + value = cx25821_i2c_read(&dev->i2c_bus[0], VERT_TIM_CTRL+(0x200*i), &tmp); + value &= 0x00C00C00; + value |= 0x1C1E001A; // vblank_cnt + 2 to get camera ID + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VERT_TIM_CTRL+(0x200*i), value); + + // chroma subcarrier step size + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], SC_STEP_SIZE+(0x200*i), 0x43E00000); + + // enable VIP optional active + value = cx25821_i2c_read(&dev->i2c_bus[0], OUT_CTRL_NS+(0x200*i), &tmp); + value &= 0xFFFBFFFF; + value |= 0x00040000; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], OUT_CTRL_NS+(0x200*i), value); + + // enable VIP optional active (VIP_OPT_AL) for direct output. + value = cx25821_i2c_read(&dev->i2c_bus[0], OUT_CTRL1+(0x200*i), &tmp); + value &= 0xFFFBFFFF; + value |= 0x00040000; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], OUT_CTRL1+(0x200*i), value); + + // clear VPRES_VERT_EN bit, fixes the chroma run away problem + // when the input switching rate < 16 fields + // + value = cx25821_i2c_read(&dev->i2c_bus[0], MISC_TIM_CTRL+(0x200*i), &tmp); + value = setBitAtPos(value, 14); // disable special play detection + value = clearBitAtPos(value, 15); + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MISC_TIM_CTRL+(0x200*i), value); + + // set vbi_gate_en to 0 + value = cx25821_i2c_read(&dev->i2c_bus[0], DFE_CTRL1+(0x200*i), &tmp); + value = clearBitAtPos(value, 29); + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DFE_CTRL1+(0x200*i), value); + + // Enable the generation of blue field output if no video + medusa_enable_bluefield_output(dev, i, 1); + } + + + for (i=0; i < MAX_ENCODERS; i++) + { + // NTSC hclock + value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_1+(0x100*i), &tmp); + value &= 0xF000FC00; + value |= 0x06B402D0; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_1+(0x100*i), value); + + // burst begin and burst end + value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_2+(0x100*i), &tmp); + value &= 0xFF000000; + value |= 0x007E9054; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_2+(0x100*i), value); + + value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_3+(0x100*i), &tmp); + value &= 0xFC00FE00; + value |= 0x00EC00F0; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_3+(0x100*i), value); + + // set NTSC vblank, no phase alternation, 7.5 IRE pedestal + value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_4+(0x100*i), &tmp); + value &= 0x00FCFFFF; + value |= 0x13020000; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_4+(0x100*i), value); + + value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_5+(0x100*i), &tmp); + value &= 0xFFFF0000; + value |= 0x0000E575; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_5+(0x100*i), value); + + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_6+(0x100*i), 0x009A89C1); + + // Subcarrier Increment + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_7+(0x100*i), 0x21F07C1F); + } + + + //set picture resolutions + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HSCALE_CTRL, 0x0); //0 - 720 + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VSCALE_CTRL, 0x0); //0 - 480 + + // set Bypass input format to NTSC 525 lines + value = cx25821_i2c_read(&dev->i2c_bus[0], BYP_AB_CTRL, &tmp); + value |= 0x00080200; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], BYP_AB_CTRL, value); + + mutex_unlock(&dev->lock); + + return ret_val; +} + + +static int medusa_PALCombInit(struct cx25821_dev *dev, int dec) +{ + int ret_val = -1; + u32 value = 0, tmp = 0; + + // Setup for 2D threshold + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], COMB_2D_HFS_CFG+(0x200*dec), 0x20002861); + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], COMB_2D_HFD_CFG+(0x200*dec), 0x20002861); + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], COMB_2D_LF_CFG+(0x200*dec), 0x200A1023); + + // Setup flat chroma and luma thresholds + value = cx25821_i2c_read(&dev->i2c_bus[0], COMB_FLAT_THRESH_CTRL+(0x200*dec), &tmp); + value &= 0x06230000; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], COMB_FLAT_THRESH_CTRL+(0x200*dec), value); + + // set comb 2D blend + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], COMB_2D_BLEND+(0x200*dec), 0x210F0F0F); + + // COMB MISC CONTROL + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], COMB_MISC_CTRL+(0x200*dec), 0x41120A7F); + + return ret_val; +} + + +static int medusa_initialize_pal(struct cx25821_dev *dev) +{ + int ret_val = 0; + int i = 0; + u32 value = 0; + u32 tmp = 0; + + mutex_lock(&dev->lock); + + for (i=0; i < MAX_DECODERS; i++) + { + // set video format PAL-BDGHI + value = cx25821_i2c_read(&dev->i2c_bus[0], MODE_CTRL+(0x200*i), &tmp); + value &= 0xFFFFFFF0; + value |= 0x10004; // enable the fast locking mode bit[16] + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MODE_CTRL+(0x200*i), value); + + + // resolution PAL 720x576 + value = cx25821_i2c_read(&dev->i2c_bus[0], HORIZ_TIM_CTRL+(0x200*i), &tmp); + value &= 0x00C00C00; + value |= 0x632D007D; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HORIZ_TIM_CTRL+(0x200*i), value); + + // vblank656_cnt=x26, vactive_cnt=240h, vblank_cnt=x24 + value = cx25821_i2c_read(&dev->i2c_bus[0], VERT_TIM_CTRL+(0x200*i), &tmp); + value &= 0x00C00C00; + value |= 0x28240026; // vblank_cnt + 2 to get camera ID + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VERT_TIM_CTRL+(0x200*i), value); + + // chroma subcarrier step size + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], SC_STEP_SIZE+(0x200*i), 0x5411E2D0); + + // enable VIP optional active + value = cx25821_i2c_read(&dev->i2c_bus[0], OUT_CTRL_NS+(0x200*i), &tmp); + value &= 0xFFFBFFFF; + value |= 0x00040000; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], OUT_CTRL_NS+(0x200*i), value); + + // enable VIP optional active (VIP_OPT_AL) for direct output. + value = cx25821_i2c_read(&dev->i2c_bus[0], OUT_CTRL1+(0x200*i), &tmp); + value &= 0xFFFBFFFF; + value |= 0x00040000; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], OUT_CTRL1+(0x200*i), value); + + // clear VPRES_VERT_EN bit, fixes the chroma run away problem + // when the input switching rate < 16 fields + value = cx25821_i2c_read(&dev->i2c_bus[0], MISC_TIM_CTRL+(0x200*i), &tmp); + value = setBitAtPos(value, 14); // disable special play detection + value = clearBitAtPos(value, 15); + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MISC_TIM_CTRL+(0x200*i), value); + + // set vbi_gate_en to 0 + value = cx25821_i2c_read(&dev->i2c_bus[0], DFE_CTRL1+(0x200*i), &tmp); + value = clearBitAtPos(value, 29); + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DFE_CTRL1+(0x200*i), value); + + medusa_PALCombInit(dev, i); + + // Enable the generation of blue field output if no video + medusa_enable_bluefield_output(dev, i, 1); + } + + + for (i=0; i < MAX_ENCODERS; i++) + { + // PAL hclock + value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_1+(0x100*i), &tmp); + value &= 0xF000FC00; + value |= 0x06C002D0; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_1+(0x100*i), value); + + // burst begin and burst end + value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_2+(0x100*i), &tmp); + value &= 0xFF000000; + value |= 0x007E9754; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_2+(0x100*i), value); + + // hblank and vactive + value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_3+(0x100*i), &tmp); + value &= 0xFC00FE00; + value |= 0x00FC0120; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_3+(0x100*i), value); + + // set PAL vblank, phase alternation, 0 IRE pedestal + value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_4+(0x100*i), &tmp); + value &= 0x00FCFFFF; + value |= 0x14010000; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_4+(0x100*i), value); + + + value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_5+(0x100*i), &tmp); + value &= 0xFFFF0000; + value |= 0x0000F078; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_5+(0x100*i), value); + + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_6+(0x100*i), 0x00A493CF); + + // Subcarrier Increment + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_7+(0x100*i), 0x2A098ACB); + } + + + //set picture resolutions + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HSCALE_CTRL, 0x0); //0 - 720 + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VSCALE_CTRL, 0x0); //0 - 576 + + // set Bypass input format to PAL 625 lines + value = cx25821_i2c_read(&dev->i2c_bus[0], BYP_AB_CTRL, &tmp); + value &= 0xFFF7FDFF; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], BYP_AB_CTRL, value); + + mutex_unlock(&dev->lock); + + return ret_val; +} + + +int medusa_set_videostandard(struct cx25821_dev *dev) +{ + int status = STATUS_SUCCESS; + u32 value = 0, tmp = 0; + + + if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) + { + status = medusa_initialize_pal(dev); + } + else + { + status = medusa_initialize_ntsc(dev); + } + + // Enable DENC_A output + value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_A_REG_4, &tmp); + value = setBitAtPos(value, 4); + status = cx25821_i2c_write(&dev->i2c_bus[0], DENC_A_REG_4, value); + + // Enable DENC_B output + value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_B_REG_4, &tmp); + value = setBitAtPos(value, 4); + status = cx25821_i2c_write(&dev->i2c_bus[0], DENC_B_REG_4, value); + + return status; +} + + +void medusa_set_resolution(struct cx25821_dev *dev, int width, int decoder_select) +{ + int decoder = 0; + int decoder_count = 0; + int ret_val = 0; + u32 hscale = 0x0; + u32 vscale = 0x0; + const int MAX_WIDTH = 720; + + mutex_lock(&dev->lock); + + // validate the width - cannot be negative + if (width > MAX_WIDTH) + { + printk("cx25821 %s() : width %d > MAX_WIDTH %d ! resetting to MAX_WIDTH \n", __func__, width, MAX_WIDTH); + width = MAX_WIDTH; + } + + if( decoder_select <= 7 && decoder_select >= 0 ) + { + decoder = decoder_select; + decoder_count = decoder_select + 1; + } + else + { + decoder = 0; + decoder_count = _num_decoders; + } + + + switch( width ) + { + case 320: + hscale = 0x13E34B; + vscale = 0x0; + break; + + case 352: + hscale = 0x10A273; + vscale = 0x0; + break; + + case 176: + hscale = 0x3115B2; + vscale = 0x1E00; + break; + + case 160: + hscale = 0x378D84; + vscale = 0x1E00; + break; + + default: //720 + hscale = 0x0; + vscale = 0x0; + break; + } + + for( ; decoder < decoder_count; decoder++) + { + // write scaling values for each decoder + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], HSCALE_CTRL+(0x200*decoder), hscale); + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], VSCALE_CTRL+(0x200*decoder), vscale); + } + + mutex_unlock(&dev->lock); +} + +static void medusa_set_decoderduration(struct cx25821_dev *dev, int decoder, int duration) +{ + int ret_val = 0; + u32 fld_cnt = 0; + u32 tmp = 0; + u32 disp_cnt_reg = DISP_AB_CNT; + + mutex_lock(&dev->lock); + + // no support + if (decoder < VDEC_A && decoder > VDEC_H) + { + mutex_unlock(&dev->lock); + return; + } + + switch (decoder) + { + default: + break; + case VDEC_C: + case VDEC_D: + disp_cnt_reg = DISP_CD_CNT; + break; + case VDEC_E: + case VDEC_F: + disp_cnt_reg = DISP_EF_CNT; + break; + case VDEC_G: + case VDEC_H: + disp_cnt_reg = DISP_GH_CNT; + break; + } + + _display_field_cnt[decoder] = duration; + + // update hardware + fld_cnt = cx25821_i2c_read(&dev->i2c_bus[0], disp_cnt_reg, &tmp); + + if (!(decoder % 2)) // EVEN decoder + { + fld_cnt &= 0xFFFF0000; + fld_cnt |= duration; + } + else + { + fld_cnt &= 0x0000FFFF; + fld_cnt |= ((u32)duration) << 16; + } + + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], disp_cnt_reg, fld_cnt); + + mutex_unlock(&dev->lock); +} + +///////////////////////////////////////////////////////////////////////////////////////// +// Map to Medusa register setting +static int mapM( + int srcMin, + int srcMax, + int srcVal, + int dstMin, + int dstMax, + int* dstVal +) +{ + int numerator; + int denominator; + int quotient; + + if((srcMin == srcMax) || (srcVal < srcMin) || (srcVal > srcMax)) + { + return -1; + } + + // This is the overall expression used: + // *dstVal = (srcVal - srcMin)*(dstMax - dstMin) / (srcMax - srcMin) + dstMin; + // but we need to account for rounding so below we use the modulus + // operator to find the remainder and increment if necessary. + numerator = (srcVal - srcMin)*(dstMax - dstMin); + denominator = srcMax - srcMin; + quotient = numerator/denominator; + + if(2 * ( numerator % denominator ) >= denominator) + { + quotient++; + } + + *dstVal = quotient + dstMin; + + return 0; +} + +static unsigned long convert_to_twos(long numeric, unsigned long bits_len) +{ + unsigned char temp; + + if (numeric >= 0) + return numeric; + else + { + temp = ~(abs(numeric) & 0xFF); + temp += 1; + return temp; + } +} +///////////////////////////////////////////////////////////////////////////////////////// +int medusa_set_brightness(struct cx25821_dev *dev, int brightness, int decoder) +{ + int ret_val = 0; + int value = 0; + u32 val = 0, tmp = 0; + + mutex_lock(&dev->lock); + if((brightness > VIDEO_PROCAMP_MAX) || (brightness < VIDEO_PROCAMP_MIN)) + { + mutex_unlock(&dev->lock); + return -1; + } + ret_val = mapM(VIDEO_PROCAMP_MIN, VIDEO_PROCAMP_MAX, brightness, SIGNED_BYTE_MIN, SIGNED_BYTE_MAX, &value); + value = convert_to_twos(value, 8); + val = cx25821_i2c_read(&dev->i2c_bus[0], VDEC_A_BRITE_CTRL+(0x200*decoder), &tmp); + val &= 0xFFFFFF00; + ret_val |= cx25821_i2c_write(&dev->i2c_bus[0], VDEC_A_BRITE_CTRL+(0x200*decoder), val | value); + mutex_unlock(&dev->lock); + return ret_val; +} + +///////////////////////////////////////////////////////////////////////////////////////// +int medusa_set_contrast(struct cx25821_dev *dev, int contrast, int decoder) +{ + int ret_val = 0; + int value = 0; + u32 val = 0, tmp = 0; + + mutex_lock(&dev->lock); + + if((contrast > VIDEO_PROCAMP_MAX) || (contrast < VIDEO_PROCAMP_MIN)) + { + mutex_unlock(&dev->lock); + return -1; + } + + ret_val = mapM(VIDEO_PROCAMP_MIN, VIDEO_PROCAMP_MAX, contrast, UNSIGNED_BYTE_MIN, UNSIGNED_BYTE_MAX, &value); + val = cx25821_i2c_read(&dev->i2c_bus[0], VDEC_A_CNTRST_CTRL+(0x200*decoder), &tmp); + val &= 0xFFFFFF00; + ret_val |= cx25821_i2c_write(&dev->i2c_bus[0], VDEC_A_CNTRST_CTRL+(0x200*decoder), val | value); + + mutex_unlock(&dev->lock); + return ret_val; +} + +///////////////////////////////////////////////////////////////////////////////////////// +int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder) +{ + int ret_val = 0; + int value = 0; + u32 val = 0, tmp = 0; + + mutex_lock(&dev->lock); + + if((hue > VIDEO_PROCAMP_MAX) || (hue < VIDEO_PROCAMP_MIN)) + { + mutex_unlock(&dev->lock); + return -1; + } + + ret_val = mapM(VIDEO_PROCAMP_MIN, VIDEO_PROCAMP_MAX, hue, SIGNED_BYTE_MIN, SIGNED_BYTE_MAX, &value); + + value = convert_to_twos(value, 8); + val = cx25821_i2c_read(&dev->i2c_bus[0], VDEC_A_HUE_CTRL+(0x200*decoder), &tmp); + val &= 0xFFFFFF00; + + ret_val |= cx25821_i2c_write(&dev->i2c_bus[0], VDEC_A_HUE_CTRL+(0x200*decoder), val | value); + + mutex_unlock(&dev->lock); + return ret_val; +} + + +///////////////////////////////////////////////////////////////////////////////////////// +int medusa_set_saturation(struct cx25821_dev *dev, int saturation, int decoder) +{ + int ret_val = 0; + int value = 0; + u32 val = 0, tmp = 0; + + mutex_lock(&dev->lock); + + if((saturation > VIDEO_PROCAMP_MAX) || (saturation < VIDEO_PROCAMP_MIN)) + { + mutex_unlock(&dev->lock); + return -1; + } + + ret_val = mapM(VIDEO_PROCAMP_MIN, VIDEO_PROCAMP_MAX, saturation, UNSIGNED_BYTE_MIN, UNSIGNED_BYTE_MAX, &value); + + val = cx25821_i2c_read(&dev->i2c_bus[0], VDEC_A_USAT_CTRL+(0x200*decoder), &tmp); + val &= 0xFFFFFF00; + ret_val |= cx25821_i2c_write(&dev->i2c_bus[0], VDEC_A_USAT_CTRL+(0x200*decoder), val | value); + + val = cx25821_i2c_read(&dev->i2c_bus[0], VDEC_A_VSAT_CTRL+(0x200*decoder), &tmp); + val &= 0xFFFFFF00; + ret_val |= cx25821_i2c_write(&dev->i2c_bus[0], VDEC_A_VSAT_CTRL+(0x200*decoder), val | value); + + mutex_unlock(&dev->lock); + return ret_val; +} + + +///////////////////////////////////////////////////////////////////////////////////////// +// Program the display sequence and monitor output. +// +int medusa_video_init(struct cx25821_dev *dev) +{ + u32 value = 0, tmp = 0; + int ret_val = 0; + int i=0; + + mutex_lock(&dev->lock); + + _num_decoders = dev->_max_num_decoders; + + + // disable Auto source selection on all video decoders + value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp); + value &= 0xFFFFF0FF; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value); + + if (ret_val < 0) + { + mutex_unlock(&dev->lock); + return -EINVAL; + } + + // Turn off Master source switch enable + value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp); + value &= 0xFFFFFFDF; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value); + + if (ret_val < 0) + { + mutex_unlock(&dev->lock); + return -EINVAL; + } + + mutex_unlock(&dev->lock); + + for (i=0; i < _num_decoders; i++) + { + medusa_set_decoderduration(dev, i, _display_field_cnt[i]); + } + + mutex_lock(&dev->lock); + + // Select monitor as DENC A input, power up the DAC + value = cx25821_i2c_read(&dev->i2c_bus[0], DENC_AB_CTRL, &tmp); + value &= 0xFF70FF70; + value |= 0x00090008; // set en_active + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_AB_CTRL, value); + + if (ret_val < 0) + { + mutex_unlock(&dev->lock); + return -EINVAL; + } + + // enable input is VIP/656 + value = cx25821_i2c_read(&dev->i2c_bus[0], BYP_AB_CTRL, &tmp); + value |= 0x00040100; // enable VIP + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], BYP_AB_CTRL, value); + + if (ret_val < 0) + { + mutex_unlock(&dev->lock); + return -EINVAL; + } + + // select AFE clock to output mode + value = cx25821_i2c_read(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, &tmp); + value &= 0x83FFFFFF; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, value | 0x10000000); + + if (ret_val < 0) + { + mutex_unlock(&dev->lock); + return -EINVAL; + } + + // Turn on all of the data out and control output pins. + value = cx25821_i2c_read(&dev->i2c_bus[0], PIN_OE_CTRL, &tmp); + value &= 0xFEF0FE00; + if (_num_decoders == MAX_DECODERS) + { + // Note: The octal board does not support control pins(bit16-19). + // These bits are ignored in the octal board. + value |= 0x010001F8; // disable VDEC A-C port, default to Mobilygen Interface + } + else + { + value |= 0x010F0108; // disable VDEC A-C port, default to Mobilygen Interface + } + + value |= 7; + ret_val = cx25821_i2c_write(&dev->i2c_bus[0], PIN_OE_CTRL, value); + if (ret_val < 0) + { + mutex_unlock(&dev->lock); + return -EINVAL; + } + + mutex_unlock(&dev->lock); + + + ret_val = medusa_set_videostandard(dev); + + + if (ret_val < 0) + { + mutex_unlock(&dev->lock); + return -EINVAL; + } + + return 1; +} diff --git a/drivers/staging/cx25821/cx25821-medusa-video.h b/drivers/staging/cx25821/cx25821-medusa-video.h new file mode 100644 index 0000000..0ba3cc7 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-medusa-video.h @@ -0,0 +1,51 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _MEDUSA_VIDEO_H
+#define _MEDUSA_VIDEO_H
+
+#include "cx25821-medusa-defines.h" + + +// Color control constants +#define VIDEO_PROCAMP_MIN 0 +#define VIDEO_PROCAMP_MAX 10000 +#define UNSIGNED_BYTE_MIN 0 +#define UNSIGNED_BYTE_MAX 0xFF +#define SIGNED_BYTE_MIN -128 +#define SIGNED_BYTE_MAX 127 + +// Default video color settings +#define SHARPNESS_DEFAULT 50 +#define SATURATION_DEFAULT 5000 +#define BRIGHTNESS_DEFAULT 6200 +#define CONTRAST_DEFAULT 5000 +#define HUE_DEFAULT 5000 + + +unsigned short _num_decoders; +unsigned short _num_cameras; + +unsigned int _video_standard; +int _display_field_cnt[MAX_DECODERS]; +
+#endif diff --git a/drivers/staging/cx25821/cx25821-reg.h b/drivers/staging/cx25821/cx25821-reg.h new file mode 100644 index 0000000..82f4f16 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-reg.h @@ -0,0 +1,1609 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+ +#ifndef __CX25821_REGISTERS__ +#define __CX25821_REGISTERS__ + +/* Risc Instructions */ +#define RISC_CNT_INC 0x00010000 +#define RISC_CNT_RESET 0x00030000 +#define RISC_IRQ1 0x01000000 +#define RISC_IRQ2 0x02000000 +#define RISC_EOL 0x04000000 +#define RISC_SOL 0x08000000 +#define RISC_WRITE 0x10000000 +#define RISC_SKIP 0x20000000 +#define RISC_JUMP 0x70000000 +#define RISC_SYNC 0x80000000 +#define RISC_RESYNC 0x80008000 +#define RISC_READ 0x90000000 +#define RISC_WRITERM 0xB0000000 +#define RISC_WRITECM 0xC0000000 +#define RISC_WRITECR 0xD0000000 +#define RISC_WRITEC 0x50000000 +#define RISC_READC 0xA0000000 + +#define RISC_SYNC_ODD 0x00000000 +#define RISC_SYNC_EVEN 0x00000200 +#define RISC_SYNC_ODD_VBI 0x00000006 +#define RISC_SYNC_EVEN_VBI 0x00000207 +#define RISC_NOOP 0xF0000000 +
+//*****************************************************************************
+// ASB SRAM +//***************************************************************************** +#define TX_SRAM 0x000000 // Transmit SRAM + +//***************************************************************************** +#define RX_RAM 0x010000 // Receive SRAM + +//***************************************************************************** +// Application Layer (AL) +//***************************************************************************** +#define DEV_CNTRL2 0x040000 // Device control +#define FLD_RUN_RISC 0x00000020 + +//***************************************************************************** +#define PCI_INT_MSK 0x040010 // PCI interrupt mask +#define PCI_INT_STAT 0x040014 // PCI interrupt status +#define PCI_INT_MSTAT 0x040018 // PCI interrupt masked status +#define FLD_HAMMERHEAD_INT (1 << 27) +#define FLD_UART_INT (1 << 26) +#define FLD_IRQN_INT (1 << 25) +#define FLD_TM_INT (1 << 28) +#define FLD_I2C_3_RACK (1 << 27) +#define FLD_I2C_3_INT (1 << 26) +#define FLD_I2C_2_RACK (1 << 25) +#define FLD_I2C_2_INT (1 << 24) +#define FLD_I2C_1_RACK (1 << 23) +#define FLD_I2C_1_INT (1 << 22) + +#define FLD_APB_DMA_BERR_INT (1 << 21) +#define FLD_AL_WR_BERR_INT (1 << 20) +#define FLD_AL_RD_BERR_INT (1 << 19) +#define FLD_RISC_WR_BERR_INT (1 << 18) +#define FLD_RISC_RD_BERR_INT (1 << 17) + +#define FLD_VID_I_INT (1 << 8) +#define FLD_VID_H_INT (1 << 7) +#define FLD_VID_G_INT (1 << 6) +#define FLD_VID_F_INT (1 << 5) +#define FLD_VID_E_INT (1 << 4) +#define FLD_VID_D_INT (1 << 3) +#define FLD_VID_C_INT (1 << 2) +#define FLD_VID_B_INT (1 << 1) +#define FLD_VID_A_INT (1 << 0) + +//***************************************************************************** +#define VID_A_INT_MSK 0x040020 // Video A interrupt mask +#define VID_A_INT_STAT 0x040024 // Video A interrupt status +#define VID_A_INT_MSTAT 0x040028 // Video A interrupt masked status +#define VID_A_INT_SSTAT 0x04002C // Video A interrupt set status + +//***************************************************************************** +#define VID_B_INT_MSK 0x040030 // Video B interrupt mask +#define VID_B_INT_STAT 0x040034 // Video B interrupt status +#define VID_B_INT_MSTAT 0x040038 // Video B interrupt masked status +#define VID_B_INT_SSTAT 0x04003C // Video B interrupt set status + +//*****************************************************************************
+#define VID_C_INT_MSK 0x040040 // Video C interrupt mask
+#define VID_C_INT_STAT 0x040044 // Video C interrupt status
+#define VID_C_INT_MSTAT 0x040048 // Video C interrupt masked status
+#define VID_C_INT_SSTAT 0x04004C // Video C interrupt set status
+
+//*****************************************************************************
+#define VID_D_INT_MSK 0x040050 // Video D interrupt mask
+#define VID_D_INT_STAT 0x040054 // Video D interrupt status
+#define VID_D_INT_MSTAT 0x040058 // Video D interrupt masked status
+#define VID_D_INT_SSTAT 0x04005C // Video D interrupt set status
+
+//*****************************************************************************
+#define VID_E_INT_MSK 0x040060 // Video E interrupt mask
+#define VID_E_INT_STAT 0x040064 // Video E interrupt status
+#define VID_E_INT_MSTAT 0x040068 // Video E interrupt masked status
+#define VID_E_INT_SSTAT 0x04006C // Video E interrupt set status
+
+//*****************************************************************************
+#define VID_F_INT_MSK 0x040070 // Video F interrupt mask
+#define VID_F_INT_STAT 0x040074 // Video F interrupt status
+#define VID_F_INT_MSTAT 0x040078 // Video F interrupt masked status
+#define VID_F_INT_SSTAT 0x04007C // Video F interrupt set status
+
+//*****************************************************************************
+#define VID_G_INT_MSK 0x040080 // Video G interrupt mask
+#define VID_G_INT_STAT 0x040084 // Video G interrupt status
+#define VID_G_INT_MSTAT 0x040088 // Video G interrupt masked status
+#define VID_G_INT_SSTAT 0x04008C // Video G interrupt set status
+
+//*****************************************************************************
+#define VID_H_INT_MSK 0x040090 // Video H interrupt mask
+#define VID_H_INT_STAT 0x040094 // Video H interrupt status
+#define VID_H_INT_MSTAT 0x040098 // Video H interrupt masked status
+#define VID_H_INT_SSTAT 0x04009C // Video H interrupt set status
+
+//*****************************************************************************
+#define VID_I_INT_MSK 0x0400A0 // Video I interrupt mask
+#define VID_I_INT_STAT 0x0400A4 // Video I interrupt status
+#define VID_I_INT_MSTAT 0x0400A8 // Video I interrupt masked status
+#define VID_I_INT_SSTAT 0x0400AC // Video I interrupt set status
+
+//*****************************************************************************
+#define VID_J_INT_MSK 0x0400B0 // Video J interrupt mask
+#define VID_J_INT_STAT 0x0400B4 // Video J interrupt status
+#define VID_J_INT_MSTAT 0x0400B8 // Video J interrupt masked status
+#define VID_J_INT_SSTAT 0x0400BC // Video J interrupt set status
+
+#define FLD_VID_SRC_OPC_ERR 0x00020000
+#define FLD_VID_DST_OPC_ERR 0x00010000
+#define FLD_VID_SRC_SYNC 0x00002000
+#define FLD_VID_DST_SYNC 0x00001000
+#define FLD_VID_SRC_UF 0x00000200
+#define FLD_VID_DST_OF 0x00000100
+#define FLD_VID_SRC_RISC2 0x00000020
+#define FLD_VID_DST_RISC2 0x00000010
+#define FLD_VID_SRC_RISC1 0x00000002
+#define FLD_VID_DST_RISC1 0x00000001
+#define FLD_VID_SRC_ERRORS FLD_VID_SRC_OPC_ERR | FLD_VID_SRC_SYNC | FLD_VID_SRC_UF
+#define FLD_VID_DST_ERRORS FLD_VID_DST_OPC_ERR | FLD_VID_DST_SYNC | FLD_VID_DST_OF
+
+
+//*****************************************************************************
+#define AUD_A_INT_MSK 0x0400C0 // Audio Int interrupt mask
+#define AUD_A_INT_STAT 0x0400C4 // Audio Int interrupt status
+#define AUD_A_INT_MSTAT 0x0400C8 // Audio Int interrupt masked status
+#define AUD_A_INT_SSTAT 0x0400CC // Audio Int interrupt set status
+
+//*****************************************************************************
+#define AUD_B_INT_MSK 0x0400D0 // Audio Int interrupt mask
+#define AUD_B_INT_STAT 0x0400D4 // Audio Int interrupt status
+#define AUD_B_INT_MSTAT 0x0400D8 // Audio Int interrupt masked status
+#define AUD_B_INT_SSTAT 0x0400DC // Audio Int interrupt set status
+
+//*****************************************************************************
+#define AUD_C_INT_MSK 0x0400E0 // Audio Int interrupt mask
+#define AUD_C_INT_STAT 0x0400E4 // Audio Int interrupt status
+#define AUD_C_INT_MSTAT 0x0400E8 // Audio Int interrupt masked status
+#define AUD_C_INT_SSTAT 0x0400EC // Audio Int interrupt set status
+
+//*****************************************************************************
+#define AUD_D_INT_MSK 0x0400F0 // Audio Int interrupt mask
+#define AUD_D_INT_STAT 0x0400F4 // Audio Int interrupt status
+#define AUD_D_INT_MSTAT 0x0400F8 // Audio Int interrupt masked status
+#define AUD_D_INT_SSTAT 0x0400FC // Audio Int interrupt set status
+
+//*****************************************************************************
+#define AUD_E_INT_MSK 0x040100 // Audio Int interrupt mask
+#define AUD_E_INT_STAT 0x040104 // Audio Int interrupt status
+#define AUD_E_INT_MSTAT 0x040108 // Audio Int interrupt masked status
+#define AUD_E_INT_SSTAT 0x04010C // Audio Int interrupt set status
+ +#define FLD_AUD_SRC_OPC_ERR 0x00020000
+#define FLD_AUD_DST_OPC_ERR 0x00010000
+#define FLD_AUD_SRC_SYNC 0x00002000
+#define FLD_AUD_DST_SYNC 0x00001000
+#define FLD_AUD_SRC_OF 0x00000200
+#define FLD_AUD_DST_OF 0x00000100
+#define FLD_AUD_SRC_RISCI2 0x00000020
+#define FLD_AUD_DST_RISCI2 0x00000010
+#define FLD_AUD_SRC_RISCI1 0x00000002
+#define FLD_AUD_DST_RISCI1 0x00000001
+
+//*****************************************************************************
+#define MBIF_A_INT_MSK 0x040110 // MBIF Int interrupt mask
+#define MBIF_A_INT_STAT 0x040114 // MBIF Int interrupt status
+#define MBIF_A_INT_MSTAT 0x040118 // MBIF Int interrupt masked status
+#define MBIF_A_INT_SSTAT 0x04011C // MBIF Int interrupt set status
+
+//*****************************************************************************
+#define MBIF_B_INT_MSK 0x040120 // MBIF Int interrupt mask
+#define MBIF_B_INT_STAT 0x040124 // MBIF Int interrupt status
+#define MBIF_B_INT_MSTAT 0x040128 // MBIF Int interrupt masked status
+#define MBIF_B_INT_SSTAT 0x04012C // MBIF Int interrupt set status
+
+#define FLD_MBIF_DST_OPC_ERR 0x00010000
+#define FLD_MBIF_DST_SYNC 0x00001000
+#define FLD_MBIF_DST_OF 0x00000100
+#define FLD_MBIF_DST_RISCI2 0x00000010
+#define FLD_MBIF_DST_RISCI1 0x00000001
+
+//*****************************************************************************
+#define AUD_EXT_INT_MSK 0x040060 // Audio Ext interrupt mask
+#define AUD_EXT_INT_STAT 0x040064 // Audio Ext interrupt status
+#define AUD_EXT_INT_MSTAT 0x040068 // Audio Ext interrupt masked status
+#define AUD_EXT_INT_SSTAT 0x04006C // Audio Ext interrupt set status
+#define FLD_AUD_EXT_OPC_ERR 0x00010000
+#define FLD_AUD_EXT_SYNC 0x00001000
+#define FLD_AUD_EXT_OF 0x00000100
+#define FLD_AUD_EXT_RISCI2 0x00000010
+#define FLD_AUD_EXT_RISCI1 0x00000001
+
+
+//*****************************************************************************
+#define GPIO_LO 0x110010 // Lower of GPIO pins [31:0]
+#define GPIO_HI 0x110014 // Upper WORD of GPIO pins [47:31]
+
+#define GPIO_LO_OE 0x110018 // Lower of GPIO output enable [31:0]
+#define GPIO_HI_OE 0x11001C // Upper word of GPIO output enable [47:32]
+
+#define GPIO_LO_INT_MSK 0x11003C // GPIO interrupt mask
+#define GPIO_LO_INT_STAT 0x110044 // GPIO interrupt status
+#define GPIO_LO_INT_MSTAT 0x11004C // GPIO interrupt masked status
+#define GPIO_LO_ISM_SNS 0x110054 // GPIO interrupt sensitivity
+#define GPIO_LO_ISM_POL 0x11005C // GPIO interrupt polarity
+
+#define GPIO_HI_INT_MSK 0x110040 // GPIO interrupt mask
+#define GPIO_HI_INT_STAT 0x110048 // GPIO interrupt status
+#define GPIO_HI_INT_MSTAT 0x110050 // GPIO interrupt masked status
+#define GPIO_HI_ISM_SNS 0x110058 // GPIO interrupt sensitivity
+#define GPIO_HI_ISM_POL 0x110060 // GPIO interrupt polarity
+
+#define FLD_GPIO43_INT (1 << 11)
+#define FLD_GPIO42_INT (1 << 10)
+#define FLD_GPIO41_INT (1 << 9)
+#define FLD_GPIO40_INT (1 << 8)
+
+#define FLD_GPIO9_INT (1 << 9)
+#define FLD_GPIO8_INT (1 << 8)
+#define FLD_GPIO7_INT (1 << 7)
+#define FLD_GPIO6_INT (1 << 6)
+#define FLD_GPIO5_INT (1 << 5)
+#define FLD_GPIO4_INT (1 << 4)
+#define FLD_GPIO3_INT (1 << 3)
+#define FLD_GPIO2_INT (1 << 2)
+#define FLD_GPIO1_INT (1 << 1)
+#define FLD_GPIO0_INT (1 << 0)
+
+//*****************************************************************************
+#define TC_REQ 0x040090 // Rider PCI Express traFFic class request
+
+//*****************************************************************************
+#define TC_REQ_SET 0x040094 // Rider PCI Express traFFic class request set
+
+
+//*****************************************************************************
+// Rider
+//*****************************************************************************
+
+// PCI Compatible Header
+//*****************************************************************************
+#define RDR_CFG0 0x050000
+#define RDR_VENDOR_DEVICE_ID_CFG 0x050000
+
+//*****************************************************************************
+#define RDR_CFG1 0x050004
+
+//*****************************************************************************
+#define RDR_CFG2 0x050008
+
+//*****************************************************************************
+#define RDR_CFG3 0x05000C
+
+//*****************************************************************************
+#define RDR_CFG4 0x050010
+
+//*****************************************************************************
+#define RDR_CFG5 0x050014
+
+//*****************************************************************************
+#define RDR_CFG6 0x050018
+
+//*****************************************************************************
+#define RDR_CFG7 0x05001C
+
+//*****************************************************************************
+#define RDR_CFG8 0x050020
+
+//*****************************************************************************
+#define RDR_CFG9 0x050024
+
+//*****************************************************************************
+#define RDR_CFGA 0x050028
+
+//*****************************************************************************
+#define RDR_CFGB 0x05002C
+#define RDR_SUSSYSTEM_ID_CFG 0x05002C
+
+//*****************************************************************************
+#define RDR_CFGC 0x050030
+
+//*****************************************************************************
+#define RDR_CFGD 0x050034
+
+//*****************************************************************************
+#define RDR_CFGE 0x050038
+
+//*****************************************************************************
+#define RDR_CFGF 0x05003C
+
+//*****************************************************************************
+// PCI-Express Capabilities
+//*****************************************************************************
+#define RDR_PECAP 0x050040
+
+//*****************************************************************************
+#define RDR_PEDEVCAP 0x050044
+
+//*****************************************************************************
+#define RDR_PEDEVSC 0x050048
+
+//*****************************************************************************
+#define RDR_PELINKCAP 0x05004C
+
+//*****************************************************************************
+#define RDR_PELINKSC 0x050050
+
+//*****************************************************************************
+#define RDR_PMICAP 0x050080
+
+//*****************************************************************************
+#define RDR_PMCSR 0x050084
+
+//*****************************************************************************
+#define RDR_VPDCAP 0x050090
+
+//*****************************************************************************
+#define RDR_VPDDATA 0x050094
+
+//*****************************************************************************
+#define RDR_MSICAP 0x0500A0
+
+//*****************************************************************************
+#define RDR_MSIARL 0x0500A4
+
+//*****************************************************************************
+#define RDR_MSIARU 0x0500A8
+
+//*****************************************************************************
+#define RDR_MSIDATA 0x0500AC
+
+//*****************************************************************************
+// PCI Express Extended Capabilities
+//*****************************************************************************
+#define RDR_AERXCAP 0x050100
+
+//*****************************************************************************
+#define RDR_AERUESTA 0x050104
+
+//*****************************************************************************
+#define RDR_AERUEMSK 0x050108
+
+//*****************************************************************************
+#define RDR_AERUESEV 0x05010C
+
+//*****************************************************************************
+#define RDR_AERCESTA 0x050110
+
+//*****************************************************************************
+#define RDR_AERCEMSK 0x050114
+
+//*****************************************************************************
+#define RDR_AERCC 0x050118
+
+//*****************************************************************************
+#define RDR_AERHL0 0x05011C
+
+//*****************************************************************************
+#define RDR_AERHL1 0x050120
+
+//*****************************************************************************
+#define RDR_AERHL2 0x050124
+
+//*****************************************************************************
+#define RDR_AERHL3 0x050128
+
+//*****************************************************************************
+#define RDR_VCXCAP 0x050200
+
+//*****************************************************************************
+#define RDR_VCCAP1 0x050204
+
+//*****************************************************************************
+#define RDR_VCCAP2 0x050208
+
+//*****************************************************************************
+#define RDR_VCSC 0x05020C
+
+//*****************************************************************************
+#define RDR_VCR0_CAP 0x050210
+
+//*****************************************************************************
+#define RDR_VCR0_CTRL 0x050214
+
+//*****************************************************************************
+#define RDR_VCR0_STAT 0x050218
+
+//*****************************************************************************
+#define RDR_VCR1_CAP 0x05021C
+
+//*****************************************************************************
+#define RDR_VCR1_CTRL 0x050220
+
+//*****************************************************************************
+#define RDR_VCR1_STAT 0x050224
+
+//*****************************************************************************
+#define RDR_VCR2_CAP 0x050228
+
+//*****************************************************************************
+#define RDR_VCR2_CTRL 0x05022C
+
+//*****************************************************************************
+#define RDR_VCR2_STAT 0x050230
+
+//*****************************************************************************
+#define RDR_VCR3_CAP 0x050234
+
+//*****************************************************************************
+#define RDR_VCR3_CTRL 0x050238
+
+//*****************************************************************************
+#define RDR_VCR3_STAT 0x05023C
+
+//*****************************************************************************
+#define RDR_VCARB0 0x050240
+
+//*****************************************************************************
+#define RDR_VCARB1 0x050244
+
+//*****************************************************************************
+#define RDR_VCARB2 0x050248
+
+//*****************************************************************************
+#define RDR_VCARB3 0x05024C
+
+//*****************************************************************************
+#define RDR_VCARB4 0x050250
+
+//*****************************************************************************
+#define RDR_VCARB5 0x050254
+
+//*****************************************************************************
+#define RDR_VCARB6 0x050258
+
+//*****************************************************************************
+#define RDR_VCARB7 0x05025C
+
+//*****************************************************************************
+#define RDR_RDRSTAT0 0x050300
+
+//*****************************************************************************
+#define RDR_RDRSTAT1 0x050304
+
+//*****************************************************************************
+#define RDR_RDRCTL0 0x050308
+
+//*****************************************************************************
+#define RDR_RDRCTL1 0x05030C
+
+//*****************************************************************************
+// Transaction Layer Registers
+//*****************************************************************************
+#define RDR_TLSTAT0 0x050310
+
+//*****************************************************************************
+#define RDR_TLSTAT1 0x050314
+
+//*****************************************************************************
+#define RDR_TLCTL0 0x050318
+#define FLD_CFG_UR_CPL_MODE 0x00000040
+#define FLD_CFG_CORR_ERR_QUITE 0x00000020
+#define FLD_CFG_RCB_CK_EN 0x00000010
+#define FLD_CFG_BNDRY_CK_EN 0x00000008
+#define FLD_CFG_BYTE_EN_CK_EN 0x00000004
+#define FLD_CFG_RELAX_ORDER_MSK 0x00000002
+#define FLD_CFG_TAG_ORDER_EN 0x00000001
+
+//*****************************************************************************
+#define RDR_TLCTL1 0x05031C
+
+//*****************************************************************************
+#define RDR_REQRCAL 0x050320
+
+//*****************************************************************************
+#define RDR_REQRCAU 0x050324
+
+//*****************************************************************************
+#define RDR_REQEPA 0x050328
+
+//*****************************************************************************
+#define RDR_REQCTRL 0x05032C
+
+//*****************************************************************************
+#define RDR_REQSTAT 0x050330
+
+//*****************************************************************************
+#define RDR_TL_TEST 0x050334
+
+//*****************************************************************************
+#define RDR_VCR01_CTL 0x050348
+
+//*****************************************************************************
+#define RDR_VCR23_CTL 0x05034C
+
+//*****************************************************************************
+#define RDR_RX_VCR0_FC 0x050350
+
+//*****************************************************************************
+#define RDR_RX_VCR1_FC 0x050354
+
+//*****************************************************************************
+#define RDR_RX_VCR2_FC 0x050358
+
+//*****************************************************************************
+#define RDR_RX_VCR3_FC 0x05035C
+
+//*****************************************************************************
+// Data Link Layer Registers
+//*****************************************************************************
+#define RDR_DLLSTAT 0x050360
+
+//*****************************************************************************
+#define RDR_DLLCTRL 0x050364
+
+//*****************************************************************************
+#define RDR_REPLAYTO 0x050368
+
+//*****************************************************************************
+#define RDR_ACKLATTO 0x05036C
+
+//*****************************************************************************
+// MAC Layer Registers
+//*****************************************************************************
+#define RDR_MACSTAT0 0x050380
+
+//*****************************************************************************
+#define RDR_MACSTAT1 0x050384
+
+//*****************************************************************************
+#define RDR_MACCTRL0 0x050388
+
+//*****************************************************************************
+#define RDR_MACCTRL1 0x05038C
+
+//*****************************************************************************
+#define RDR_MACCTRL2 0x050390
+
+//*****************************************************************************
+#define RDR_MAC_LB_DATA 0x050394
+
+//*****************************************************************************
+#define RDR_L0S_EXIT_LAT 0x050398
+
+//*****************************************************************************
+// DMAC
+//*****************************************************************************
+#define DMA1_PTR1 0x100000 // DMA Current Ptr : Ch#1
+
+//*****************************************************************************
+#define DMA2_PTR1 0x100004 // DMA Current Ptr : Ch#2
+
+//*****************************************************************************
+#define DMA3_PTR1 0x100008 // DMA Current Ptr : Ch#3
+
+//*****************************************************************************
+#define DMA4_PTR1 0x10000C // DMA Current Ptr : Ch#4
+
+//*****************************************************************************
+#define DMA5_PTR1 0x100010 // DMA Current Ptr : Ch#5
+
+//*****************************************************************************
+#define DMA6_PTR1 0x100014 // DMA Current Ptr : Ch#6
+
+//*****************************************************************************
+#define DMA7_PTR1 0x100018 // DMA Current Ptr : Ch#7
+
+//*****************************************************************************
+#define DMA8_PTR1 0x10001C // DMA Current Ptr : Ch#8
+
+//*****************************************************************************
+#define DMA9_PTR1 0x100020 // DMA Current Ptr : Ch#9
+
+//*****************************************************************************
+#define DMA10_PTR1 0x100024 // DMA Current Ptr : Ch#10
+
+//*****************************************************************************
+#define DMA11_PTR1 0x100028 // DMA Current Ptr : Ch#11
+
+//*****************************************************************************
+#define DMA12_PTR1 0x10002C // DMA Current Ptr : Ch#12
+
+//*****************************************************************************
+#define DMA13_PTR1 0x100030 // DMA Current Ptr : Ch#13
+
+//*****************************************************************************
+#define DMA14_PTR1 0x100034 // DMA Current Ptr : Ch#14
+
+//*****************************************************************************
+#define DMA15_PTR1 0x100038 // DMA Current Ptr : Ch#15
+
+//*****************************************************************************
+#define DMA16_PTR1 0x10003C // DMA Current Ptr : Ch#16
+
+//*****************************************************************************
+#define DMA17_PTR1 0x100040 // DMA Current Ptr : Ch#17
+
+//*****************************************************************************
+#define DMA18_PTR1 0x100044 // DMA Current Ptr : Ch#18
+
+//*****************************************************************************
+#define DMA19_PTR1 0x100048 // DMA Current Ptr : Ch#19
+
+//*****************************************************************************
+#define DMA20_PTR1 0x10004C // DMA Current Ptr : Ch#20
+
+//*****************************************************************************
+#define DMA21_PTR1 0x100050 // DMA Current Ptr : Ch#21
+
+//*****************************************************************************
+#define DMA22_PTR1 0x100054 // DMA Current Ptr : Ch#22
+
+//*****************************************************************************
+#define DMA23_PTR1 0x100058 // DMA Current Ptr : Ch#23
+
+//*****************************************************************************
+#define DMA24_PTR1 0x10005C // DMA Current Ptr : Ch#24
+
+//*****************************************************************************
+#define DMA25_PTR1 0x100060 // DMA Current Ptr : Ch#25
+
+//*****************************************************************************
+#define DMA26_PTR1 0x100064 // DMA Current Ptr : Ch#26
+
+
+//*****************************************************************************
+#define DMA1_PTR2 0x100080 // DMA Tab Ptr : Ch#1
+
+//*****************************************************************************
+#define DMA2_PTR2 0x100084 // DMA Tab Ptr : Ch#2
+
+//*****************************************************************************
+#define DMA3_PTR2 0x100088 // DMA Tab Ptr : Ch#3
+
+//*****************************************************************************
+#define DMA4_PTR2 0x10008C // DMA Tab Ptr : Ch#4
+
+//*****************************************************************************
+#define DMA5_PTR2 0x100090 // DMA Tab Ptr : Ch#5
+
+//*****************************************************************************
+#define DMA6_PTR2 0x100094 // DMA Tab Ptr : Ch#6
+
+//*****************************************************************************
+#define DMA7_PTR2 0x100098 // DMA Tab Ptr : Ch#7
+
+//*****************************************************************************
+#define DMA8_PTR2 0x10009C // DMA Tab Ptr : Ch#8
+
+//*****************************************************************************
+#define DMA9_PTR2 0x1000A0 // DMA Tab Ptr : Ch#9
+
+//*****************************************************************************
+#define DMA10_PTR2 0x1000A4 // DMA Tab Ptr : Ch#10
+
+//*****************************************************************************
+#define DMA11_PTR2 0x1000A8 // DMA Tab Ptr : Ch#11
+
+//*****************************************************************************
+#define DMA12_PTR2 0x1000AC // DMA Tab Ptr : Ch#12
+
+//*****************************************************************************
+#define DMA13_PTR2 0x1000B0 // DMA Tab Ptr : Ch#13
+
+//*****************************************************************************
+#define DMA14_PTR2 0x1000B4 // DMA Tab Ptr : Ch#14
+
+//*****************************************************************************
+#define DMA15_PTR2 0x1000B8 // DMA Tab Ptr : Ch#15
+
+//*****************************************************************************
+#define DMA16_PTR2 0x1000BC // DMA Tab Ptr : Ch#16
+
+//*****************************************************************************
+#define DMA17_PTR2 0x1000C0 // DMA Tab Ptr : Ch#17
+
+//*****************************************************************************
+#define DMA18_PTR2 0x1000C4 // DMA Tab Ptr : Ch#18
+
+//*****************************************************************************
+#define DMA19_PTR2 0x1000C8 // DMA Tab Ptr : Ch#19
+
+//*****************************************************************************
+#define DMA20_PTR2 0x1000CC // DMA Tab Ptr : Ch#20
+
+//*****************************************************************************
+#define DMA21_PTR2 0x1000D0 // DMA Tab Ptr : Ch#21
+
+//*****************************************************************************
+#define DMA22_PTR2 0x1000D4 // DMA Tab Ptr : Ch#22
+
+//*****************************************************************************
+#define DMA23_PTR2 0x1000D8 // DMA Tab Ptr : Ch#23
+
+//*****************************************************************************
+#define DMA24_PTR2 0x1000DC // DMA Tab Ptr : Ch#24
+
+//*****************************************************************************
+#define DMA25_PTR2 0x1000E0 // DMA Tab Ptr : Ch#25
+
+//*****************************************************************************
+#define DMA26_PTR2 0x1000E4 // DMA Tab Ptr : Ch#26
+
+
+
+//*****************************************************************************
+#define DMA1_CNT1 0x100100 // DMA BuFFer Size : Ch#1
+
+//*****************************************************************************
+#define DMA2_CNT1 0x100104 // DMA BuFFer Size : Ch#2
+
+//*****************************************************************************
+#define DMA3_CNT1 0x100108 // DMA BuFFer Size : Ch#3
+
+//*****************************************************************************
+#define DMA4_CNT1 0x10010C // DMA BuFFer Size : Ch#4
+
+//*****************************************************************************
+#define DMA5_CNT1 0x100110 // DMA BuFFer Size : Ch#5
+
+//*****************************************************************************
+#define DMA6_CNT1 0x100114 // DMA BuFFer Size : Ch#6
+
+//*****************************************************************************
+#define DMA7_CNT1 0x100118 // DMA BuFFer Size : Ch#7
+
+//*****************************************************************************
+#define DMA8_CNT1 0x10011C // DMA BuFFer Size : Ch#8
+
+//*****************************************************************************
+#define DMA9_CNT1 0x100120 // DMA BuFFer Size : Ch#9
+
+//*****************************************************************************
+#define DMA10_CNT1 0x100124 // DMA BuFFer Size : Ch#10
+
+//*****************************************************************************
+#define DMA11_CNT1 0x100128 // DMA BuFFer Size : Ch#11
+
+//*****************************************************************************
+#define DMA12_CNT1 0x10012C // DMA BuFFer Size : Ch#12
+
+//*****************************************************************************
+#define DMA13_CNT1 0x100130 // DMA BuFFer Size : Ch#13
+
+//*****************************************************************************
+#define DMA14_CNT1 0x100134 // DMA BuFFer Size : Ch#14
+
+//*****************************************************************************
+#define DMA15_CNT1 0x100138 // DMA BuFFer Size : Ch#15
+
+//*****************************************************************************
+#define DMA16_CNT1 0x10013C // DMA BuFFer Size : Ch#16
+
+//*****************************************************************************
+#define DMA17_CNT1 0x100140 // DMA BuFFer Size : Ch#17
+
+//*****************************************************************************
+#define DMA18_CNT1 0x100144 // DMA BuFFer Size : Ch#18
+
+//*****************************************************************************
+#define DMA19_CNT1 0x100148 // DMA BuFFer Size : Ch#19
+
+//*****************************************************************************
+#define DMA20_CNT1 0x10014C // DMA BuFFer Size : Ch#20
+
+//*****************************************************************************
+#define DMA21_CNT1 0x100150 // DMA BuFFer Size : Ch#21
+
+//*****************************************************************************
+#define DMA22_CNT1 0x100154 // DMA BuFFer Size : Ch#22
+
+//*****************************************************************************
+#define DMA23_CNT1 0x100158 // DMA BuFFer Size : Ch#23
+
+//*****************************************************************************
+#define DMA24_CNT1 0x10015C // DMA BuFFer Size : Ch#24
+
+//*****************************************************************************
+#define DMA25_CNT1 0x100160 // DMA BuFFer Size : Ch#25
+
+//*****************************************************************************
+#define DMA26_CNT1 0x100164 // DMA BuFFer Size : Ch#26
+
+
+//*****************************************************************************
+#define DMA1_CNT2 0x100180 // DMA Table Size : Ch#1
+
+//*****************************************************************************
+#define DMA2_CNT2 0x100184 // DMA Table Size : Ch#2
+
+//*****************************************************************************
+#define DMA3_CNT2 0x100188 // DMA Table Size : Ch#3
+
+//*****************************************************************************
+#define DMA4_CNT2 0x10018C // DMA Table Size : Ch#4
+
+//*****************************************************************************
+#define DMA5_CNT2 0x100190 // DMA Table Size : Ch#5
+
+//*****************************************************************************
+#define DMA6_CNT2 0x100194 // DMA Table Size : Ch#6
+
+//*****************************************************************************
+#define DMA7_CNT2 0x100198 // DMA Table Size : Ch#7
+
+//*****************************************************************************
+#define DMA8_CNT2 0x10019C // DMA Table Size : Ch#8
+
+//*****************************************************************************
+#define DMA9_CNT2 0x1001A0 // DMA Table Size : Ch#9
+
+//*****************************************************************************
+#define DMA10_CNT2 0x1001A4 // DMA Table Size : Ch#10
+
+//*****************************************************************************
+#define DMA11_CNT2 0x1001A8 // DMA Table Size : Ch#11
+
+//*****************************************************************************
+#define DMA12_CNT2 0x1001AC // DMA Table Size : Ch#12
+
+//*****************************************************************************
+#define DMA13_CNT2 0x1001B0 // DMA Table Size : Ch#13
+
+//*****************************************************************************
+#define DMA14_CNT2 0x1001B4 // DMA Table Size : Ch#14
+
+//*****************************************************************************
+#define DMA15_CNT2 0x1001B8 // DMA Table Size : Ch#15
+
+//*****************************************************************************
+#define DMA16_CNT2 0x1001BC // DMA Table Size : Ch#16
+
+//*****************************************************************************
+#define DMA17_CNT2 0x1001C0 // DMA Table Size : Ch#17
+
+//*****************************************************************************
+#define DMA18_CNT2 0x1001C4 // DMA Table Size : Ch#18
+
+//*****************************************************************************
+#define DMA19_CNT2 0x1001C8 // DMA Table Size : Ch#19
+
+//*****************************************************************************
+#define DMA20_CNT2 0x1001CC // DMA Table Size : Ch#20
+
+//*****************************************************************************
+#define DMA21_CNT2 0x1001D0 // DMA Table Size : Ch#21
+
+//*****************************************************************************
+#define DMA22_CNT2 0x1001D4 // DMA Table Size : Ch#22
+
+//*****************************************************************************
+#define DMA23_CNT2 0x1001D8 // DMA Table Size : Ch#23
+
+//*****************************************************************************
+#define DMA24_CNT2 0x1001DC // DMA Table Size : Ch#24
+
+//*****************************************************************************
+#define DMA25_CNT2 0x1001E0 // DMA Table Size : Ch#25
+
+//*****************************************************************************
+#define DMA26_CNT2 0x1001E4 // DMA Table Size : Ch#26
+
+
+
+//*****************************************************************************
+ // ITG
+//*****************************************************************************
+#define TM_CNT_LDW 0x110000 // Timer : Counter low
+
+//*****************************************************************************
+#define TM_CNT_UW 0x110004 // Timer : Counter high word
+
+//*****************************************************************************
+#define TM_LMT_LDW 0x110008 // Timer : Limit low
+
+//*****************************************************************************
+#define TM_LMT_UW 0x11000C // Timer : Limit high word
+
+//*****************************************************************************
+#define GP0_IO 0x110010 // GPIO output enables data I/O
+#define FLD_GP_OE 0x00FF0000 // GPIO: GP_OE output enable
+#define FLD_GP_IN 0x0000FF00 // GPIO: GP_IN status
+#define FLD_GP_OUT 0x000000FF // GPIO: GP_OUT control
+
+//*****************************************************************************
+#define GPIO_ISM 0x110014 // GPIO interrupt sensitivity mode
+#define FLD_GP_ISM_SNS 0x00000070
+#define FLD_GP_ISM_POL 0x00000007
+
+//*****************************************************************************
+#define SOFT_RESET 0x11001C // Output system reset reg
+#define FLD_PECOS_SOFT_RESET 0x00000001
+
+//*****************************************************************************
+#define MC416_RWD 0x110020 // MC416 GPIO[18:3] pin
+#define MC416_OEN 0x110024 // Output enable of GPIO[18:3]
+#define MC416_CTL 0x110028
+
+//*****************************************************************************
+#define ALT_PIN_OUT_SEL 0x11002C // Alternate GPIO output select
+
+#define FLD_ALT_GPIO_OUT_SEL 0xF0000000
+// 0 Disabled <-- default
+// 1 GPIO[0]
+// 2 GPIO[10]
+// 3 VIP_656_DATA_VAL
+// 4 VIP_656_DATA[0]
+// 5 VIP_656_CLK
+// 6 VIP_656_DATA_EXT[1]
+// 7 VIP_656_DATA_EXT[0]
+// 8 ATT_IF
+
+#define FLD_AUX_PLL_CLK_ALT_SEL 0x0F000000
+// 0 AUX_PLL_CLK<-- default
+// 1 GPIO[2]
+// 2 GPIO[10]
+// 3 VIP_656_DATA_VAL
+// 4 VIP_656_DATA[0]
+// 5 VIP_656_CLK
+// 6 VIP_656_DATA_EXT[1]
+// 7 VIP_656_DATA_EXT[0]
+
+#define FLD_IR_TX_ALT_SEL 0x00F00000
+// 0 IR_TX <-- default
+// 1 GPIO[1]
+// 2 GPIO[10]
+// 3 VIP_656_DATA_VAL
+// 4 VIP_656_DATA[0]
+// 5 VIP_656_CLK
+// 6 VIP_656_DATA_EXT[1]
+// 7 VIP_656_DATA_EXT[0]
+
+#define FLD_IR_RX_ALT_SEL 0x000F0000
+// 0 IR_RX <-- default
+// 1 GPIO[0]
+// 2 GPIO[10]
+// 3 VIP_656_DATA_VAL
+// 4 VIP_656_DATA[0]
+// 5 VIP_656_CLK
+// 6 VIP_656_DATA_EXT[1]
+// 7 VIP_656_DATA_EXT[0]
+
+#define FLD_GPIO10_ALT_SEL 0x0000F000
+// 0 GPIO[10] <-- default
+// 1 GPIO[0]
+// 2 GPIO[10]
+// 3 VIP_656_DATA_VAL
+// 4 VIP_656_DATA[0]
+// 5 VIP_656_CLK
+// 6 VIP_656_DATA_EXT[1]
+// 7 VIP_656_DATA_EXT[0]
+
+#define FLD_GPIO2_ALT_SEL 0x00000F00
+// 0 GPIO[2] <-- default
+// 1 GPIO[1]
+// 2 GPIO[10]
+// 3 VIP_656_DATA_VAL
+// 4 VIP_656_DATA[0]
+// 5 VIP_656_CLK
+// 6 VIP_656_DATA_EXT[1]
+// 7 VIP_656_DATA_EXT[0]
+
+#define FLD_GPIO1_ALT_SEL 0x000000F0
+// 0 GPIO[1] <-- default
+// 1 GPIO[0]
+// 2 GPIO[10]
+// 3 VIP_656_DATA_VAL
+// 4 VIP_656_DATA[0]
+// 5 VIP_656_CLK
+// 6 VIP_656_DATA_EXT[1]
+// 7 VIP_656_DATA_EXT[0]
+
+#define FLD_GPIO0_ALT_SEL 0x0000000F
+// 0 GPIO[0] <-- default
+// 1 GPIO[1]
+// 2 GPIO[10]
+// 3 VIP_656_DATA_VAL
+// 4 VIP_656_DATA[0]
+// 5 VIP_656_CLK
+// 6 VIP_656_DATA_EXT[1]
+// 7 VIP_656_DATA_EXT[0]
+
+#define ALT_PIN_IN_SEL 0x110030 // Alternate GPIO input select
+
+#define FLD_GPIO10_ALT_IN_SEL 0x0000F000
+// 0 GPIO[10] <-- default
+// 1 IR_RX
+// 2 IR_TX
+// 3 AUX_PLL_CLK
+// 4 IF_ATT_SEL
+// 5 GPIO[0]
+// 6 GPIO[1]
+// 7 GPIO[2]
+
+#define FLD_GPIO2_ALT_IN_SEL 0x00000F00
+// 0 GPIO[2] <-- default
+// 1 IR_RX
+// 2 IR_TX
+// 3 AUX_PLL_CLK
+// 4 IF_ATT_SEL
+
+#define FLD_GPIO1_ALT_IN_SEL 0x000000F0
+// 0 GPIO[1] <-- default
+// 1 IR_RX
+// 2 IR_TX
+// 3 AUX_PLL_CLK
+// 4 IF_ATT_SEL
+
+#define FLD_GPIO0_ALT_IN_SEL 0x0000000F
+// 0 GPIO[0] <-- default
+// 1 IR_RX
+// 2 IR_TX
+// 3 AUX_PLL_CLK
+// 4 IF_ATT_SEL
+
+//*****************************************************************************
+#define TEST_BUS_CTL1 0x110040 // Test bus control register #1
+
+//*****************************************************************************
+#define TEST_BUS_CTL2 0x110044 // Test bus control register #2
+
+//*****************************************************************************
+#define CLK_DELAY 0x110048 // Clock delay
+#define FLD_MOE_CLK_DIS 0x80000000 // Disable MoE clock
+
+
+//*****************************************************************************
+#define PAD_CTRL 0x110068 // Pad drive strength control
+
+//*****************************************************************************
+#define MBIST_CTRL 0x110050 // SRAM memory built-in self test control
+
+//*****************************************************************************
+#define MBIST_STAT 0x110054 // SRAM memory built-in self test status
+
+//*****************************************************************************
+// PLL registers
+//*****************************************************************************
+#define PLL_A_INT_FRAC 0x110088
+#define PLL_A_POST_STAT_BIST 0x11008C
+#define PLL_B_INT_FRAC 0x110090
+#define PLL_B_POST_STAT_BIST 0x110094
+#define PLL_C_INT_FRAC 0x110098
+#define PLL_C_POST_STAT_BIST 0x11009C
+#define PLL_D_INT_FRAC 0x1100A0
+#define PLL_D_POST_STAT_BIST 0x1100A4
+
+#define CLK_RST 0x11002C
+#define FLD_VID_I_CLK_NOE 0x00001000
+#define FLD_VID_J_CLK_NOE 0x00002000
+#define FLD_USE_ALT_PLL_REF 0x00004000
+
+#define VID_CH_MODE_SEL 0x110078
+#define VID_CH_CLK_SEL 0x11007C
+
+
+//*****************************************************************************
+#define VBI_A_DMA 0x130008 // VBI A DMA data port
+
+//*****************************************************************************
+#define VID_A_VIP_CTL 0x130080 // Video A VIP format control
+#define FLD_VIP_MODE 0x00000001
+
+//*****************************************************************************
+#define VID_A_PIXEL_FRMT 0x130084 // Video A pixel format
+#define FLD_VID_A_GAMMA_DIS 0x00000008
+#define FLD_VID_A_FORMAT 0x00000007
+#define FLD_VID_A_GAMMA_FACTOR 0x00000010
+
+//*****************************************************************************
+#define VID_A_VBI_CTL 0x130088 // Video A VBI miscellaneous control
+#define FLD_VID_A_VIP_EXT 0x00000003
+
+//*****************************************************************************
+#define VID_B_DMA 0x130100 // Video B DMA data port
+
+//*****************************************************************************
+#define VBI_B_DMA 0x130108 // VBI B DMA data port
+
+//*****************************************************************************
+#define VID_B_SRC_SEL 0x130144 // Video B source select
+#define FLD_VID_B_SRC_SEL 0x00000000
+
+//*****************************************************************************
+#define VID_B_LNGTH 0x130150 // Video B line length
+#define FLD_VID_B_LN_LNGTH 0x00000FFF
+
+//*****************************************************************************
+#define VID_B_VIP_CTL 0x130180 // Video B VIP format control
+
+//*****************************************************************************
+#define VID_B_PIXEL_FRMT 0x130184 // Video B pixel format
+#define FLD_VID_B_GAMMA_DIS 0x00000008
+#define FLD_VID_B_FORMAT 0x00000007
+#define FLD_VID_B_GAMMA_FACTOR 0x00000010
+
+//*****************************************************************************
+#define VID_C_DMA 0x130200 // Video C DMA data port
+
+//*****************************************************************************
+#define VID_C_LNGTH 0x130250 // Video C line length
+#define FLD_VID_C_LN_LNGTH 0x00000FFF
+
+
+//*****************************************************************************
+// Video Destination Channels
+//*****************************************************************************
+
+#define VID_DST_A_GPCNT 0x130020 // Video A general purpose counter
+#define VID_DST_B_GPCNT 0x130120 // Video B general purpose counter
+#define VID_DST_C_GPCNT 0x130220 // Video C general purpose counter
+#define VID_DST_D_GPCNT 0x130320 // Video D general purpose counter
+#define VID_DST_E_GPCNT 0x130420 // Video E general purpose counter
+#define VID_DST_F_GPCNT 0x130520 // Video F general purpose counter
+#define VID_DST_G_GPCNT 0x130620 // Video G general purpose counter
+#define VID_DST_H_GPCNT 0x130720 // Video H general purpose counter
+
+//*****************************************************************************
+
+#define VID_DST_A_GPCNT_CTL 0x130030 // Video A general purpose control
+#define VID_DST_B_GPCNT_CTL 0x130130 // Video B general purpose control
+#define VID_DST_C_GPCNT_CTL 0x130230 // Video C general purpose control
+#define VID_DST_D_GPCNT_CTL 0x130330 // Video D general purpose control
+#define VID_DST_E_GPCNT_CTL 0x130430 // Video E general purpose control
+#define VID_DST_F_GPCNT_CTL 0x130530 // Video F general purpose control
+#define VID_DST_G_GPCNT_CTL 0x130630 // Video G general purpose control
+#define VID_DST_H_GPCNT_CTL 0x130730 // Video H general purpose control
+
+
+//*****************************************************************************
+
+#define VID_DST_A_DMA_CTL 0x130040 // Video A DMA control
+#define VID_DST_B_DMA_CTL 0x130140 // Video B DMA control
+#define VID_DST_C_DMA_CTL 0x130240 // Video C DMA control
+#define VID_DST_D_DMA_CTL 0x130340 // Video D DMA control
+#define VID_DST_E_DMA_CTL 0x130440 // Video E DMA control
+#define VID_DST_F_DMA_CTL 0x130540 // Video F DMA control
+#define VID_DST_G_DMA_CTL 0x130640 // Video G DMA control
+#define VID_DST_H_DMA_CTL 0x130740 // Video H DMA control
+
+#define FLD_VID_RISC_EN 0x00000010
+#define FLD_VID_FIFO_EN 0x00000001
+
+//*****************************************************************************
+
+#define VID_DST_A_VIP_CTL 0x130080 // Video A VIP control
+#define VID_DST_B_VIP_CTL 0x130180 // Video B VIP control
+#define VID_DST_C_VIP_CTL 0x130280 // Video C VIP control
+#define VID_DST_D_VIP_CTL 0x130380 // Video D VIP control
+#define VID_DST_E_VIP_CTL 0x130480 // Video E VIP control
+#define VID_DST_F_VIP_CTL 0x130580 // Video F VIP control
+#define VID_DST_G_VIP_CTL 0x130680 // Video G VIP control
+#define VID_DST_H_VIP_CTL 0x130780 // Video H VIP control
+
+//*****************************************************************************
+
+#define VID_DST_A_PIX_FRMT 0x130084 // Video A Pixel format
+#define VID_DST_B_PIX_FRMT 0x130184 // Video B Pixel format
+#define VID_DST_C_PIX_FRMT 0x130284 // Video C Pixel format
+#define VID_DST_D_PIX_FRMT 0x130384 // Video D Pixel format
+#define VID_DST_E_PIX_FRMT 0x130484 // Video E Pixel format
+#define VID_DST_F_PIX_FRMT 0x130584 // Video F Pixel format
+#define VID_DST_G_PIX_FRMT 0x130684 // Video G Pixel format
+#define VID_DST_H_PIX_FRMT 0x130784 // Video H Pixel format
+
+//*****************************************************************************
+// Video Source Channels
+//*****************************************************************************
+
+#define VID_SRC_A_GPCNT_CTL 0x130804 // Video A general purpose control
+#define VID_SRC_B_GPCNT_CTL 0x130904 // Video B general purpose control
+#define VID_SRC_C_GPCNT_CTL 0x130A04 // Video C general purpose control
+#define VID_SRC_D_GPCNT_CTL 0x130B04 // Video D general purpose control
+#define VID_SRC_E_GPCNT_CTL 0x130C04 // Video E general purpose control
+#define VID_SRC_F_GPCNT_CTL 0x130D04 // Video F general purpose control
+#define VID_SRC_I_GPCNT_CTL 0x130E04 // Video I general purpose control
+#define VID_SRC_J_GPCNT_CTL 0x130F04 // Video J general purpose control
+
+//*****************************************************************************
+
+#define VID_SRC_A_GPCNT 0x130808 // Video A general purpose counter
+#define VID_SRC_B_GPCNT 0x130908 // Video B general purpose counter
+#define VID_SRC_C_GPCNT 0x130A08 // Video C general purpose counter
+#define VID_SRC_D_GPCNT 0x130B08 // Video D general purpose counter
+#define VID_SRC_E_GPCNT 0x130C08 // Video E general purpose counter
+#define VID_SRC_F_GPCNT 0x130D08 // Video F general purpose counter
+#define VID_SRC_I_GPCNT 0x130E08 // Video I general purpose counter
+#define VID_SRC_J_GPCNT 0x130F08 // Video J general purpose counter
+
+//*****************************************************************************
+
+#define VID_SRC_A_DMA_CTL 0x13080C // Video A DMA control
+#define VID_SRC_B_DMA_CTL 0x13090C // Video B DMA control
+#define VID_SRC_C_DMA_CTL 0x130A0C // Video C DMA control
+#define VID_SRC_D_DMA_CTL 0x130B0C // Video D DMA control
+#define VID_SRC_E_DMA_CTL 0x130C0C // Video E DMA control
+#define VID_SRC_F_DMA_CTL 0x130D0C // Video F DMA control
+#define VID_SRC_I_DMA_CTL 0x130E0C // Video I DMA control
+#define VID_SRC_J_DMA_CTL 0x130F0C // Video J DMA control
+
+#define FLD_APB_RISC_EN 0x00000010
+#define FLD_APB_FIFO_EN 0x00000001
+
+//*****************************************************************************
+
+#define VID_SRC_A_FMT_CTL 0x130810 // Video A format control
+#define VID_SRC_B_FMT_CTL 0x130910 // Video B format control
+#define VID_SRC_C_FMT_CTL 0x130A10 // Video C format control
+#define VID_SRC_D_FMT_CTL 0x130B10 // Video D format control
+#define VID_SRC_E_FMT_CTL 0x130C10 // Video E format control
+#define VID_SRC_F_FMT_CTL 0x130D10 // Video F format control
+#define VID_SRC_I_FMT_CTL 0x130E10 // Video I format control
+#define VID_SRC_J_FMT_CTL 0x130F10 // Video J format control
+
+//*****************************************************************************
+
+#define VID_SRC_A_ACTIVE_CTL1 0x130814 // Video A active control 1
+#define VID_SRC_B_ACTIVE_CTL1 0x130914 // Video B active control 1
+#define VID_SRC_C_ACTIVE_CTL1 0x130A14 // Video C active control 1
+#define VID_SRC_D_ACTIVE_CTL1 0x130B14 // Video D active control 1
+#define VID_SRC_E_ACTIVE_CTL1 0x130C14 // Video E active control 1
+#define VID_SRC_F_ACTIVE_CTL1 0x130D14 // Video F active control 1
+#define VID_SRC_I_ACTIVE_CTL1 0x130E14 // Video I active control 1
+#define VID_SRC_J_ACTIVE_CTL1 0x130F14 // Video J active control 1
+
+//*****************************************************************************
+
+#define VID_SRC_A_ACTIVE_CTL2 0x130818 // Video A active control 2
+#define VID_SRC_B_ACTIVE_CTL2 0x130918 // Video B active control 2
+#define VID_SRC_C_ACTIVE_CTL2 0x130A18 // Video C active control 2
+#define VID_SRC_D_ACTIVE_CTL2 0x130B18 // Video D active control 2
+#define VID_SRC_E_ACTIVE_CTL2 0x130C18 // Video E active control 2
+#define VID_SRC_F_ACTIVE_CTL2 0x130D18 // Video F active control 2
+#define VID_SRC_I_ACTIVE_CTL2 0x130E18 // Video I active control 2
+#define VID_SRC_J_ACTIVE_CTL2 0x130F18 // Video J active control 2
+
+//*****************************************************************************
+
+#define VID_SRC_A_CDT_SZ 0x13081C // Video A CDT size
+#define VID_SRC_B_CDT_SZ 0x13091C // Video B CDT size
+#define VID_SRC_C_CDT_SZ 0x130A1C // Video C CDT size
+#define VID_SRC_D_CDT_SZ 0x130B1C // Video D CDT size
+#define VID_SRC_E_CDT_SZ 0x130C1C // Video E CDT size
+#define VID_SRC_F_CDT_SZ 0x130D1C // Video F CDT size
+#define VID_SRC_I_CDT_SZ 0x130E1C // Video I CDT size
+#define VID_SRC_J_CDT_SZ 0x130F1C // Video J CDT size
+
+//*****************************************************************************
+// Audio I/F
+//*****************************************************************************
+#define AUD_DST_A_DMA 0x140000 // Audio Int A DMA data port
+#define AUD_SRC_A_DMA 0x140008 // Audio Int A DMA data port
+
+#define AUD_A_GPCNT 0x140010 // Audio Int A gp counter
+#define FLD_AUD_A_GP_CNT 0x0000FFFF
+
+#define AUD_A_GPCNT_CTL 0x140014 // Audio Int A gp control
+
+#define AUD_A_LNGTH 0x140018 // Audio Int A line length
+
+#define AUD_A_CFG 0x14001C // Audio Int A configuration
+
+//*****************************************************************************
+#define AUD_DST_B_DMA 0x140100 // Audio Int B DMA data port
+#define AUD_SRC_B_DMA 0x140108 // Audio Int B DMA data port
+
+#define AUD_B_GPCNT 0x140110 // Audio Int B gp counter
+#define FLD_AUD_B_GP_CNT 0x0000FFFF
+
+#define AUD_B_GPCNT_CTL 0x140114 // Audio Int B gp control
+
+#define AUD_B_LNGTH 0x140118 // Audio Int B line length
+
+#define AUD_B_CFG 0x14011C // Audio Int B configuration
+
+//*****************************************************************************
+#define AUD_DST_C_DMA 0x140200 // Audio Int C DMA data port
+#define AUD_SRC_C_DMA 0x140208 // Audio Int C DMA data port
+
+#define AUD_C_GPCNT 0x140210 // Audio Int C gp counter
+#define FLD_AUD_C_GP_CNT 0x0000FFFF
+
+#define AUD_C_GPCNT_CTL 0x140214 // Audio Int C gp control
+
+#define AUD_C_LNGTH 0x140218 // Audio Int C line length
+
+#define AUD_C_CFG 0x14021C // Audio Int C configuration
+
+//*****************************************************************************
+#define AUD_DST_D_DMA 0x140300 // Audio Int D DMA data port
+#define AUD_SRC_D_DMA 0x140308 // Audio Int D DMA data port
+
+#define AUD_D_GPCNT 0x140310 // Audio Int D gp counter
+#define FLD_AUD_D_GP_CNT 0x0000FFFF
+
+#define AUD_D_GPCNT_CTL 0x140314 // Audio Int D gp control
+
+#define AUD_D_LNGTH 0x140318 // Audio Int D line length
+
+#define AUD_D_CFG 0x14031C // Audio Int D configuration
+
+//*****************************************************************************
+#define AUD_SRC_E_DMA 0x140400 // Audio Int E DMA data port
+
+#define AUD_E_GPCNT 0x140410 // Audio Int E gp counter
+#define FLD_AUD_E_GP_CNT 0x0000FFFF
+
+#define AUD_E_GPCNT_CTL 0x140414 // Audio Int E gp control
+
+#define AUD_E_CFG 0x14041C // Audio Int E configuration
+
+//*****************************************************************************
+
+#define FLD_AUD_DST_LN_LNGTH 0x00000FFF
+
+#define FLD_AUD_DST_PK_MODE 0x00004000
+
+#define FLD_AUD_CLK_ENABLE 0x00000200
+
+#define FLD_AUD_MASTER_MODE 0x00000002
+
+#define FLD_AUD_SONY_MODE 0x00000001
+
+#define FLD_AUD_CLK_SELECT_PLL_D 0x00001800
+
+#define FLD_AUD_DST_ENABLE 0x00020000
+
+#define FLD_AUD_SRC_ENABLE 0x00010000
+
+//*****************************************************************************
+#define AUD_INT_DMA_CTL 0x140500 // Audio Int DMA control
+
+#define FLD_AUD_SRC_E_RISC_EN 0x00008000
+#define FLD_AUD_SRC_C_RISC_EN 0x00004000
+#define FLD_AUD_SRC_B_RISC_EN 0x00002000
+#define FLD_AUD_SRC_A_RISC_EN 0x00001000
+
+#define FLD_AUD_DST_D_RISC_EN 0x00000800
+#define FLD_AUD_DST_C_RISC_EN 0x00000400
+#define FLD_AUD_DST_B_RISC_EN 0x00000200
+#define FLD_AUD_DST_A_RISC_EN 0x00000100
+
+#define FLD_AUD_SRC_E_FIFO_EN 0x00000080
+#define FLD_AUD_SRC_C_FIFO_EN 0x00000040
+#define FLD_AUD_SRC_B_FIFO_EN 0x00000020
+#define FLD_AUD_SRC_A_FIFO_EN 0x00000010
+
+#define FLD_AUD_DST_D_FIFO_EN 0x00000008
+#define FLD_AUD_DST_C_FIFO_EN 0x00000004
+#define FLD_AUD_DST_B_FIFO_EN 0x00000002
+#define FLD_AUD_DST_A_FIFO_EN 0x00000001
+
+
+//*****************************************************************************
+//
+// Mobilygen Interface Registers
+//
+//*****************************************************************************
+// Mobilygen Interface A
+//*****************************************************************************
+#define MB_IF_A_DMA 0x150000 // MBIF A DMA data port
+#define MB_IF_A_GPCN 0x150008 // MBIF A GP counter
+#define MB_IF_A_GPCN_CTRL 0x15000C
+#define MB_IF_A_DMA_CTRL 0x150010
+#define MB_IF_A_LENGTH 0x150014
+#define MB_IF_A_HDMA_XFER_SZ 0x150018
+#define MB_IF_A_HCMD 0x15001C
+#define MB_IF_A_HCONFIG 0x150020
+#define MB_IF_A_DATA_STRUCT_0 0x150024
+#define MB_IF_A_DATA_STRUCT_1 0x150028
+#define MB_IF_A_DATA_STRUCT_2 0x15002C
+#define MB_IF_A_DATA_STRUCT_3 0x150030
+#define MB_IF_A_DATA_STRUCT_4 0x150034
+#define MB_IF_A_DATA_STRUCT_5 0x150038
+#define MB_IF_A_DATA_STRUCT_6 0x15003C
+#define MB_IF_A_DATA_STRUCT_7 0x150040
+#define MB_IF_A_DATA_STRUCT_8 0x150044
+#define MB_IF_A_DATA_STRUCT_9 0x150048
+#define MB_IF_A_DATA_STRUCT_A 0x15004C
+#define MB_IF_A_DATA_STRUCT_B 0x150050
+#define MB_IF_A_DATA_STRUCT_C 0x150054
+#define MB_IF_A_DATA_STRUCT_D 0x150058
+#define MB_IF_A_DATA_STRUCT_E 0x15005C
+#define MB_IF_A_DATA_STRUCT_F 0x150060
+//*****************************************************************************
+// Mobilygen Interface B
+//*****************************************************************************
+#define MB_IF_B_DMA 0x160000 // MBIF A DMA data port
+#define MB_IF_B_GPCN 0x160008 // MBIF A GP counter
+#define MB_IF_B_GPCN_CTRL 0x16000C
+#define MB_IF_B_DMA_CTRL 0x160010
+#define MB_IF_B_LENGTH 0x160014
+#define MB_IF_B_HDMA_XFER_SZ 0x160018
+#define MB_IF_B_HCMD 0x16001C
+#define MB_IF_B_HCONFIG 0x160020
+#define MB_IF_B_DATA_STRUCT_0 0x160024
+#define MB_IF_B_DATA_STRUCT_1 0x160028
+#define MB_IF_B_DATA_STRUCT_2 0x16002C
+#define MB_IF_B_DATA_STRUCT_3 0x160030
+#define MB_IF_B_DATA_STRUCT_4 0x160034
+#define MB_IF_B_DATA_STRUCT_5 0x160038
+#define MB_IF_B_DATA_STRUCT_6 0x16003C
+#define MB_IF_B_DATA_STRUCT_7 0x160040
+#define MB_IF_B_DATA_STRUCT_8 0x160044
+#define MB_IF_B_DATA_STRUCT_9 0x160048
+#define MB_IF_B_DATA_STRUCT_A 0x16004C
+#define MB_IF_B_DATA_STRUCT_B 0x160050
+#define MB_IF_B_DATA_STRUCT_C 0x160054
+#define MB_IF_B_DATA_STRUCT_D 0x160058
+#define MB_IF_B_DATA_STRUCT_E 0x16005C
+#define MB_IF_B_DATA_STRUCT_F 0x160060
+
+// MB_DMA_CTRL
+#define FLD_MB_IF_RISC_EN 0x00000010
+#define FLD_MB_IF_FIFO_EN 0x00000001
+
+// MB_LENGTH
+#define FLD_MB_IF_LN_LNGTH 0x00000FFF
+
+// MB_HCMD register
+#define FLD_MB_HCMD_H_GO 0x80000000
+#define FLD_MB_HCMD_H_BUSY 0x40000000
+#define FLD_MB_HCMD_H_DMA_HOLD 0x10000000
+#define FLD_MB_HCMD_H_DMA_BUSY 0x08000000
+#define FLD_MB_HCMD_H_DMA_TYPE 0x04000000
+#define FLD_MB_HCMD_H_DMA_XACT 0x02000000
+#define FLD_MB_HCMD_H_RW_N 0x01000000
+#define FLD_MB_HCMD_H_ADDR 0x00FF0000
+#define FLD_MB_HCMD_H_DATA 0x0000FFFF
+
+
+//*****************************************************************************
+// I2C #1
+//*****************************************************************************
+#define I2C1_ADDR 0x180000 // I2C #1 address
+#define FLD_I2C_DADDR 0xfe000000 // RW [31:25] I2C Device Address
+ // RO [24] reserved
+//*****************************************************************************
+#define FLD_I2C_SADDR 0x00FFFFFF // RW [23:0] I2C Sub-address
+
+//*****************************************************************************
+#define I2C1_WDATA 0x180004 // I2C #1 write data
+#define FLD_I2C_WDATA 0xFFFFFFFF // RW [31:0]
+
+//*****************************************************************************
+#define I2C1_CTRL 0x180008 // I2C #1 control
+#define FLD_I2C_PERIOD 0xFF000000 // RW [31:24]
+#define FLD_I2C_SCL_IN 0x00200000 // RW [21]
+#define FLD_I2C_SDA_IN 0x00100000 // RW [20]
+ // RO [19:18] reserved
+#define FLD_I2C_SCL_OUT 0x00020000 // RW [17]
+#define FLD_I2C_SDA_OUT 0x00010000 // RW [16]
+ // RO [15] reserved
+#define FLD_I2C_DATA_LEN 0x00007000 // RW [14:12]
+#define FLD_I2C_SADDR_INC 0x00000800 // RW [11]
+ // RO [10:9] reserved
+#define FLD_I2C_SADDR_LEN 0x00000300 // RW [9:8]
+ // RO [7:6] reserved
+#define FLD_I2C_SOFT 0x00000020 // RW [5]
+#define FLD_I2C_NOSTOP 0x00000010 // RW [4]
+#define FLD_I2C_EXTEND 0x00000008 // RW [3]
+#define FLD_I2C_SYNC 0x00000004 // RW [2]
+#define FLD_I2C_READ_SA 0x00000002 // RW [1]
+#define FLD_I2C_READ_WRN 0x00000001 // RW [0]
+
+//*****************************************************************************
+#define I2C1_RDATA 0x18000C // I2C #1 read data
+#define FLD_I2C_RDATA 0xFFFFFFFF // RO [31:0]
+
+//*****************************************************************************
+#define I2C1_STAT 0x180010 // I2C #1 status
+#define FLD_I2C_XFER_IN_PROG 0x00000002 // RO [1]
+#define FLD_I2C_RACK 0x00000001 // RO [0]
+
+//*****************************************************************************
+// I2C #2
+//*****************************************************************************
+#define I2C2_ADDR 0x190000 // I2C #2 address
+
+//*****************************************************************************
+#define I2C2_WDATA 0x190004 // I2C #2 write data
+
+//*****************************************************************************
+#define I2C2_CTRL 0x190008 // I2C #2 control
+
+//*****************************************************************************
+#define I2C2_RDATA 0x19000C // I2C #2 read data
+
+//*****************************************************************************
+#define I2C2_STAT 0x190010 // I2C #2 status
+
+//*****************************************************************************
+// I2C #3
+//*****************************************************************************
+#define I2C3_ADDR 0x1A0000 // I2C #3 address
+
+//*****************************************************************************
+#define I2C3_WDATA 0x1A0004 // I2C #3 write data
+
+//*****************************************************************************
+#define I2C3_CTRL 0x1A0008 // I2C #3 control
+
+//*****************************************************************************
+#define I2C3_RDATA 0x1A000C // I2C #3 read data
+
+//*****************************************************************************
+#define I2C3_STAT 0x1A0010 // I2C #3 status
+
+//*****************************************************************************
+// UART
+//*****************************************************************************
+#define UART_CTL 0x1B0000 // UART Control Register
+#define FLD_LOOP_BACK_EN (1 << 7) // RW field - default 0
+#define FLD_RX_TRG_SZ (3 << 2) // RW field - default 0
+#define FLD_RX_EN (1 << 1) // RW field - default 0
+#define FLD_TX_EN (1 << 0) // RW field - default 0
+
+//*****************************************************************************
+#define UART_BRD 0x1B0004 // UART Baud Rate Divisor
+#define FLD_BRD 0x0000FFFF // RW field - default 0x197
+
+//*****************************************************************************
+#define UART_DBUF 0x1B0008 // UART Tx/Rx Data BuFFer
+#define FLD_DB 0xFFFFFFFF // RW field - default 0
+
+//*****************************************************************************
+#define UART_ISR 0x1B000C // UART Interrupt Status
+#define FLD_RXD_TIMEOUT_EN (1 << 7) // RW field - default 0
+#define FLD_FRM_ERR_EN (1 << 6) // RW field - default 0
+#define FLD_RXD_RDY_EN (1 << 5) // RW field - default 0
+#define FLD_TXD_EMPTY_EN (1 << 4) // RW field - default 0
+#define FLD_RXD_OVERFLOW (1 << 3) // RW field - default 0
+#define FLD_FRM_ERR (1 << 2) // RW field - default 0
+#define FLD_RXD_RDY (1 << 1) // RW field - default 0
+#define FLD_TXD_EMPTY (1 << 0) // RW field - default 0
+
+//*****************************************************************************
+#define UART_CNT 0x1B0010 // UART Tx/Rx FIFO Byte Count
+#define FLD_TXD_CNT (0x1F << 8) // RW field - default 0
+#define FLD_RXD_CNT (0x1F << 0) // RW field - default 0
+
+//*****************************************************************************
+// Motion Detection +#define MD_CH0_GRID_BLOCK_YCNT 0x170014 +#define MD_CH1_GRID_BLOCK_YCNT 0x170094 +#define MD_CH2_GRID_BLOCK_YCNT 0x170114 +#define MD_CH3_GRID_BLOCK_YCNT 0x170194 +#define MD_CH4_GRID_BLOCK_YCNT 0x170214 +#define MD_CH5_GRID_BLOCK_YCNT 0x170294 +#define MD_CH6_GRID_BLOCK_YCNT 0x170314 +#define MD_CH7_GRID_BLOCK_YCNT 0x170394 + +#define PIXEL_FRMT_422 4 +#define PIXEL_FRMT_411 5 +#define PIXEL_FRMT_Y8 6 + +#define PIXEL_ENGINE_VIP1 0 +#define PIXEL_ENGINE_VIP2 1 + +#endif //Athena_REGISTERS
+
+
diff --git a/drivers/staging/cx25821/cx25821-sram.h b/drivers/staging/cx25821/cx25821-sram.h new file mode 100644 index 0000000..8130635 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-sram.h @@ -0,0 +1,266 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ATHENA_SRAM_H__
+#define __ATHENA_SRAM_H__
+
+//#define RX_SRAM_START_SIZE = 0; // Start of reserved SRAM
+#define VID_CMDS_SIZE 80 // Video CMDS size in bytes
+#define AUDIO_CMDS_SIZE 80 // AUDIO CMDS size in bytes
+#define MBIF_CMDS_SIZE 80 // MBIF CMDS size in bytes
+
+//#define RX_SRAM_POOL_START_SIZE = 0; // Start of useable RX SRAM for buffers
+#define VID_IQ_SIZE 64 // VID instruction queue size in bytes
+#define MBIF_IQ_SIZE 64
+#define AUDIO_IQ_SIZE 64 // AUD instruction queue size in bytes
+
+#define VID_CDT_SIZE 64 // VID cluster descriptor table size in bytes
+#define MBIF_CDT_SIZE 64 // MBIF/HBI cluster descriptor table size in bytes
+#define AUDIO_CDT_SIZE 48 // AUD cluster descriptor table size in bytes
+
+//#define RX_SRAM_POOL_FREE_SIZE = 16; // Start of available RX SRAM
+//#define RX_SRAM_END_SIZE = 0; // End of RX SRAM
+
+//#define TX_SRAM_POOL_START_SIZE = 0; // Start of transmit pool SRAM
+//#define MSI_DATA_SIZE = 64; // Reserved (MSI Data, RISC working stora
+
+#define VID_CLUSTER_SIZE 1440 // VID cluster data line
+#define AUDIO_CLUSTER_SIZE 128 // AUDIO cluster data line
+#define MBIF_CLUSTER_SIZE 1440 // MBIF/HBI cluster data line
+
+
+//#define TX_SRAM_POOL_FREE_SIZE = 704; // Start of available TX SRAM
+//#define TX_SRAM_END_SIZE = 0; // End of TX SRAM
+
+// Receive SRAM
+#define RX_SRAM_START 0x10000
+#define VID_A_DOWN_CMDS 0x10000
+#define VID_B_DOWN_CMDS 0x10050
+#define VID_C_DOWN_CMDS 0x100A0
+#define VID_D_DOWN_CMDS 0x100F0
+#define VID_E_DOWN_CMDS 0x10140
+#define VID_F_DOWN_CMDS 0x10190
+#define VID_G_DOWN_CMDS 0x101E0
+#define VID_H_DOWN_CMDS 0x10230
+#define VID_A_UP_CMDS 0x10280
+#define VID_B_UP_CMDS 0x102D0
+#define VID_C_UP_CMDS 0x10320
+#define VID_D_UP_CMDS 0x10370
+#define VID_E_UP_CMDS 0x103C0
+#define VID_F_UP_CMDS 0x10410
+#define VID_I_UP_CMDS 0x10460
+#define VID_J_UP_CMDS 0x104B0
+#define AUD_A_DOWN_CMDS 0x10500
+#define AUD_B_DOWN_CMDS 0x10550
+#define AUD_C_DOWN_CMDS 0x105A0
+#define AUD_D_DOWN_CMDS 0x105F0
+#define AUD_A_UP_CMDS 0x10640
+#define AUD_B_UP_CMDS 0x10690
+#define AUD_C_UP_CMDS 0x106E0
+#define AUD_E_UP_CMDS 0x10730
+#define MBIF_A_DOWN_CMDS 0x10780
+#define MBIF_B_DOWN_CMDS 0x107D0
+#define DMA_SCRATCH_PAD 0x10820 // Scratch pad area from 0x10820 to 0x10B40
+
+//#define RX_SRAM_POOL_START = 0x105B0;
+
+#define VID_A_IQ 0x11000
+#define VID_B_IQ 0x11040
+#define VID_C_IQ 0x11080
+#define VID_D_IQ 0x110C0
+#define VID_E_IQ 0x11100
+#define VID_F_IQ 0x11140
+#define VID_G_IQ 0x11180
+#define VID_H_IQ 0x111C0
+#define VID_I_IQ 0x11200
+#define VID_J_IQ 0x11240
+#define AUD_A_IQ 0x11280
+#define AUD_B_IQ 0x112C0
+#define AUD_C_IQ 0x11300
+#define AUD_D_IQ 0x11340
+#define AUD_E_IQ 0x11380
+#define MBIF_A_IQ 0x11000
+#define MBIF_B_IQ 0x110C0
+
+#define VID_A_CDT 0x10C00
+#define VID_B_CDT 0x10C40
+#define VID_C_CDT 0x10C80
+#define VID_D_CDT 0x10CC0
+#define VID_E_CDT 0x10D00
+#define VID_F_CDT 0x10D40
+#define VID_G_CDT 0x10D80
+#define VID_H_CDT 0x10DC0
+#define VID_I_CDT 0x10E00
+#define VID_J_CDT 0x10E40
+#define AUD_A_CDT 0x10E80
+#define AUD_B_CDT 0x10EB0
+#define AUD_C_CDT 0x10EE0
+#define AUD_D_CDT 0x10F10
+#define AUD_E_CDT 0x10F40
+#define MBIF_A_CDT 0x10C00
+#define MBIF_B_CDT 0x10CC0
+
+// Cluster Buffer for RX
+#define VID_A_UP_CLUSTER_1 0x11400
+#define VID_A_UP_CLUSTER_2 0x119A0
+#define VID_A_UP_CLUSTER_3 0x11F40
+#define VID_A_UP_CLUSTER_4 0x124E0
+
+#define VID_B_UP_CLUSTER_1 0x12A80
+#define VID_B_UP_CLUSTER_2 0x13020
+#define VID_B_UP_CLUSTER_3 0x135C0
+#define VID_B_UP_CLUSTER_4 0x13B60
+
+#define VID_C_UP_CLUSTER_1 0x14100
+#define VID_C_UP_CLUSTER_2 0x146A0
+#define VID_C_UP_CLUSTER_3 0x14C40
+#define VID_C_UP_CLUSTER_4 0x151E0
+
+#define VID_D_UP_CLUSTER_1 0x15780
+#define VID_D_UP_CLUSTER_2 0x15D20
+#define VID_D_UP_CLUSTER_3 0x162C0
+#define VID_D_UP_CLUSTER_4 0x16860
+
+#define VID_E_UP_CLUSTER_1 0x16E00
+#define VID_E_UP_CLUSTER_2 0x173A0
+#define VID_E_UP_CLUSTER_3 0x17940
+#define VID_E_UP_CLUSTER_4 0x17EE0
+
+#define VID_F_UP_CLUSTER_1 0x18480
+#define VID_F_UP_CLUSTER_2 0x18A20
+#define VID_F_UP_CLUSTER_3 0x18FC0
+#define VID_F_UP_CLUSTER_4 0x19560
+
+#define VID_I_UP_CLUSTER_1 0x19B00
+#define VID_I_UP_CLUSTER_2 0x1A0A0
+#define VID_I_UP_CLUSTER_3 0x1A640
+#define VID_I_UP_CLUSTER_4 0x1ABE0
+
+#define VID_J_UP_CLUSTER_1 0x1B180
+#define VID_J_UP_CLUSTER_2 0x1B720
+#define VID_J_UP_CLUSTER_3 0x1BCC0
+#define VID_J_UP_CLUSTER_4 0x1C260
+
+#define AUD_A_UP_CLUSTER_1 0x1C800
+#define AUD_A_UP_CLUSTER_2 0x1C880
+#define AUD_A_UP_CLUSTER_3 0x1C900
+
+#define AUD_B_UP_CLUSTER_1 0x1C980
+#define AUD_B_UP_CLUSTER_2 0x1CA00
+#define AUD_B_UP_CLUSTER_3 0x1CA80
+
+#define AUD_C_UP_CLUSTER_1 0x1CB00
+#define AUD_C_UP_CLUSTER_2 0x1CB80
+#define AUD_C_UP_CLUSTER_3 0x1CC00
+
+#define AUD_E_UP_CLUSTER_1 0x1CC80
+#define AUD_E_UP_CLUSTER_2 0x1CD00
+#define AUD_E_UP_CLUSTER_3 0x1CD80
+
+#define RX_SRAM_POOL_FREE 0x1CE00
+#define RX_SRAM_END 0x1D000
+
+// Free Receive SRAM 144 Bytes
+
+
+// Transmit SRAM
+#define TX_SRAM_POOL_START 0x00000
+
+#define VID_A_DOWN_CLUSTER_1 0x00040
+#define VID_A_DOWN_CLUSTER_2 0x005E0
+#define VID_A_DOWN_CLUSTER_3 0x00B80
+#define VID_A_DOWN_CLUSTER_4 0x01120
+
+#define VID_B_DOWN_CLUSTER_1 0x016C0
+#define VID_B_DOWN_CLUSTER_2 0x01C60
+#define VID_B_DOWN_CLUSTER_3 0x02200
+#define VID_B_DOWN_CLUSTER_4 0x027A0
+
+#define VID_C_DOWN_CLUSTER_1 0x02D40
+#define VID_C_DOWN_CLUSTER_2 0x032E0
+#define VID_C_DOWN_CLUSTER_3 0x03880
+#define VID_C_DOWN_CLUSTER_4 0x03E20
+
+#define VID_D_DOWN_CLUSTER_1 0x043C0
+#define VID_D_DOWN_CLUSTER_2 0x04960
+#define VID_D_DOWN_CLUSTER_3 0x04F00
+#define VID_D_DOWN_CLUSTER_4 0x054A0
+
+#define VID_E_DOWN_CLUSTER_1 0x05a40
+#define VID_E_DOWN_CLUSTER_2 0x05FE0
+#define VID_E_DOWN_CLUSTER_3 0x06580
+#define VID_E_DOWN_CLUSTER_4 0x06B20
+
+#define VID_F_DOWN_CLUSTER_1 0x070C0
+#define VID_F_DOWN_CLUSTER_2 0x07660
+#define VID_F_DOWN_CLUSTER_3 0x07C00
+#define VID_F_DOWN_CLUSTER_4 0x081A0
+
+#define VID_G_DOWN_CLUSTER_1 0x08740
+#define VID_G_DOWN_CLUSTER_2 0x08CE0
+#define VID_G_DOWN_CLUSTER_3 0x09280
+#define VID_G_DOWN_CLUSTER_4 0x09820
+
+#define VID_H_DOWN_CLUSTER_1 0x09DC0
+#define VID_H_DOWN_CLUSTER_2 0x0A360
+#define VID_H_DOWN_CLUSTER_3 0x0A900
+#define VID_H_DOWN_CLUSTER_4 0x0AEA0
+
+#define AUD_A_DOWN_CLUSTER_1 0x0B500
+#define AUD_A_DOWN_CLUSTER_2 0x0B580
+#define AUD_A_DOWN_CLUSTER_3 0x0B600
+
+#define AUD_B_DOWN_CLUSTER_1 0x0B680
+#define AUD_B_DOWN_CLUSTER_2 0x0B700
+#define AUD_B_DOWN_CLUSTER_3 0x0B780
+
+#define AUD_C_DOWN_CLUSTER_1 0x0B800
+#define AUD_C_DOWN_CLUSTER_2 0x0B880
+#define AUD_C_DOWN_CLUSTER_3 0x0B900
+
+#define AUD_D_DOWN_CLUSTER_1 0x0B980
+#define AUD_D_DOWN_CLUSTER_2 0x0BA00
+#define AUD_D_DOWN_CLUSTER_3 0x0BA80
+
+#define TX_SRAM_POOL_FREE 0x0BB00
+#define TX_SRAM_END 0x0C000
+
+
+#define BYTES_TO_DWORDS(bcount) ((bcount) >> 2)
+#define BYTES_TO_QWORDS(bcount) ((bcount) >> 3)
+#define BYTES_TO_OWORDS(bcount) ((bcount) >> 4)
+
+#define VID_IQ_SIZE_DW BYTES_TO_DWORDS(VID_IQ_SIZE)
+#define VID_CDT_SIZE_QW BYTES_TO_QWORDS(VID_CDT_SIZE)
+#define VID_CLUSTER_SIZE_OW BYTES_TO_OWORDS(VID_CLUSTER_SIZE)
+
+#define AUDIO_IQ_SIZE_DW BYTES_TO_DWORDS(AUDIO_IQ_SIZE)
+#define AUDIO_CDT_SIZE_QW BYTES_TO_QWORDS(AUDIO_CDT_SIZE)
+#define AUDIO_CLUSTER_SIZE_QW BYTES_TO_QWORDS(AUDIO_CLUSTER_SIZE)
+
+#define MBIF_IQ_SIZE_DW BYTES_TO_DWORDS(MBIF_IQ_SIZE)
+#define MBIF_CDT_SIZE_QW BYTES_TO_QWORDS(MBIF_CDT_SIZE)
+#define MBIF_CLUSTER_SIZE_OW BYTES_TO_OWORDS(MBIF_CLUSTER_SIZE)
+
+
+#endif
+
diff --git a/drivers/staging/cx25821/cx25821-video-upstream-ch2.c b/drivers/staging/cx25821/cx25821-video-upstream-ch2.c new file mode 100644 index 0000000..ca91b83 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-video-upstream-ch2.c @@ -0,0 +1,847 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <hiep.huynh@conexant.com>, <shu.lin@conexant.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+#include "cx25821-video.h"
+#include "cx25821-video-upstream-ch2.h"
+
+#include <linux/fs.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/syscalls.h>
+#include <linux/file.h>
+#include <linux/fcntl.h>
+#include <asm/uaccess.h>
+
+
+MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards");
+MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>");
+MODULE_LICENSE("GPL");
+
+
+static int _intr_msk = FLD_VID_SRC_RISC1 | FLD_VID_SRC_UF | FLD_VID_SRC_SYNC | FLD_VID_SRC_OPC_ERR;
+
+
+static __le32 *cx25821_update_riscprogram_ch2( struct cx25821_dev *dev,
+ __le32 *rp, unsigned int offset, unsigned int bpl,
+ u32 sync_line, unsigned int lines, int fifo_enable, int field_type)
+{
+ unsigned int line, i;
+ int dist_betwn_starts = bpl * 2;
+
+
+ *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
+
+
+ if( USE_RISC_NOOP_VIDEO )
+ {
+ for( i = 0; i < NUM_NO_OPS; i++ )
+ {
+ *(rp++) = cpu_to_le32(RISC_NOOP);
+ }
+ }
+
+ /* scan lines */
+ for (line = 0; line < lines; line++)
+ {
+ *(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl);
+ *(rp++) = cpu_to_le32(dev->_data_buf_phys_addr_ch2+offset);
+ *(rp++) = cpu_to_le32(0); /* bits 63-32 */
+
+ if ( (lines <= NTSC_FIELD_HEIGHT) || (line < (NTSC_FIELD_HEIGHT-1)) || !(dev->_isNTSC_ch2) )
+ {
+ offset += dist_betwn_starts;
+ }
+ }
+
+ return rp;
+}
+
+static __le32 *cx25821_risc_field_upstream_ch2( struct cx25821_dev *dev,
+ __le32 *rp,
+ dma_addr_t databuf_phys_addr,
+ unsigned int offset, u32 sync_line, unsigned int bpl,
+ unsigned int lines, int fifo_enable, int field_type)
+{
+ unsigned int line, i;
+ struct sram_channel *sram_ch = &dev->sram_channels[dev->_channel2_upstream_select];
+ int dist_betwn_starts = bpl * 2;
+
+
+ /* sync instruction */
+ if (sync_line != NO_SYNC_LINE)
+ {
+ *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
+ }
+
+
+ if( USE_RISC_NOOP_VIDEO )
+ {
+ for( i = 0; i < NUM_NO_OPS; i++ )
+ {
+ *(rp++) = cpu_to_le32(RISC_NOOP);
+ }
+ }
+
+ /* scan lines */
+ for (line = 0; line < lines; line++)
+ {
+ *(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl);
+ *(rp++) = cpu_to_le32(databuf_phys_addr+offset);
+ *(rp++) = cpu_to_le32(0); /* bits 63-32 */
+
+
+ if ( (lines <= NTSC_FIELD_HEIGHT) || (line < (NTSC_FIELD_HEIGHT-1)) || !(dev->_isNTSC_ch2) )
+ {
+ offset += dist_betwn_starts;
+ }
+
+
+ // check if we need to enable the FIFO after the first 4 lines
+ // For the upstream video channel, the risc engine will enable the FIFO.
+ if ( fifo_enable && line == 3 )
+ {
+ *(rp++) = RISC_WRITECR;
+ *(rp++) = sram_ch->dma_ctl;
+ *(rp++) = FLD_VID_FIFO_EN;
+ *(rp++) = 0x00000001;
+ }
+ }
+
+ return rp;
+}
+
+int cx25821_risc_buffer_upstream_ch2( struct cx25821_dev *dev, struct pci_dev *pci,
+ unsigned int top_offset,
+ unsigned int bpl, unsigned int lines)
+{
+ __le32 *rp;
+ int fifo_enable = 0;
+ int singlefield_lines = lines >> 1; //get line count for single field
+ int odd_num_lines = singlefield_lines;
+ int frame = 0;
+ int frame_size = 0;
+ int databuf_offset = 0;
+ int risc_program_size = 0;
+ int risc_flag = RISC_CNT_RESET;
+ unsigned int bottom_offset = bpl;
+ dma_addr_t risc_phys_jump_addr;
+
+
+ if( dev->_isNTSC_ch2 )
+ {
+ odd_num_lines = singlefield_lines + 1;
+ risc_program_size = FRAME1_VID_PROG_SIZE;
+ frame_size = (bpl == Y411_LINE_SZ) ? FRAME_SIZE_NTSC_Y411 : FRAME_SIZE_NTSC_Y422;
+ }
+ else
+ {
+ risc_program_size = PAL_VID_PROG_SIZE;
+ frame_size = (bpl == Y411_LINE_SZ) ? FRAME_SIZE_PAL_Y411 : FRAME_SIZE_PAL_Y422;
+ }
+
+
+ /* Virtual address of Risc buffer program */
+ rp = dev->_dma_virt_addr_ch2;
+
+ for( frame = 0; frame < NUM_FRAMES; frame++ )
+ {
+ databuf_offset = frame_size * frame;
+
+
+ if (UNSET != top_offset)
+ {
+ fifo_enable = (frame == 0) ? FIFO_ENABLE : FIFO_DISABLE;
+ rp = cx25821_risc_field_upstream_ch2(dev, rp, dev->_data_buf_phys_addr_ch2 + databuf_offset, top_offset, 0, bpl, odd_num_lines, fifo_enable, ODD_FIELD);
+ }
+
+ fifo_enable = FIFO_DISABLE;
+
+
+ //Even field
+ rp = cx25821_risc_field_upstream_ch2(dev, rp, dev->_data_buf_phys_addr_ch2 + databuf_offset, bottom_offset, 0x200, bpl, singlefield_lines, fifo_enable, EVEN_FIELD);
+
+
+ if( frame == 0 )
+ {
+ risc_flag = RISC_CNT_RESET;
+ risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2 + risc_program_size;
+ }
+ else
+ {
+ risc_flag = RISC_CNT_INC;
+ risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2;
+ }
+
+
+ // Loop to 2ndFrameRISC or to Start of Risc program & generate IRQ
+ *(rp++) = cpu_to_le32(RISC_JUMP|RISC_IRQ1|risc_flag);
+ *(rp++) = cpu_to_le32(risc_phys_jump_addr);
+ *(rp++) = cpu_to_le32(0);
+ }
+
+ return 0;
+}
+
+
+void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
+{
+ struct sram_channel *sram_ch = &dev->sram_channels[VID_UPSTREAM_SRAM_CHANNEL_J];
+ u32 tmp = 0;
+
+ if( !dev->_is_running_ch2 )
+ {
+ printk("cx25821: No video file is currently running so return!\n");
+ return;
+ }
+
+ //Disable RISC interrupts
+ tmp = cx_read( sram_ch->int_msk );
+ cx_write( sram_ch->int_msk, tmp & ~_intr_msk);
+
+ //Turn OFF risc and fifo
+ tmp = cx_read( sram_ch->dma_ctl );
+ cx_write( sram_ch->dma_ctl, tmp & ~(FLD_VID_FIFO_EN | FLD_VID_RISC_EN) );
+
+ //Clear data buffer memory
+ if( dev->_data_buf_virt_addr_ch2 )
+ memset( dev->_data_buf_virt_addr_ch2, 0, dev->_data_buf_size_ch2 );
+
+ dev->_is_running_ch2 = 0;
+ dev->_is_first_frame_ch2 = 0;
+ dev->_frame_count_ch2 = 0;
+ dev->_file_status_ch2 = END_OF_FILE;
+
+ if( dev->_irq_queues_ch2 )
+ {
+ kfree(dev->_irq_queues_ch2);
+ dev->_irq_queues_ch2 = NULL;
+ }
+
+ if( dev->_filename_ch2 != NULL )
+ kfree(dev->_filename_ch2);
+
+ tmp = cx_read( VID_CH_MODE_SEL );
+ cx_write( VID_CH_MODE_SEL, tmp & 0xFFFFFE00);
+}
+
+void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev)
+{
+ if( dev->_is_running_ch2 )
+ {
+ cx25821_stop_upstream_video_ch2(dev);
+ }
+
+ if (dev->_dma_virt_addr_ch2)
+ {
+ pci_free_consistent(dev->pci, dev->_risc_size_ch2, dev->_dma_virt_addr_ch2, dev->_dma_phys_addr_ch2);
+ dev->_dma_virt_addr_ch2 = NULL;
+ }
+
+ if (dev->_data_buf_virt_addr_ch2)
+ {
+ pci_free_consistent(dev->pci, dev->_data_buf_size_ch2, dev->_data_buf_virt_addr_ch2, dev->_data_buf_phys_addr_ch2);
+ dev->_data_buf_virt_addr_ch2 = NULL;
+ }
+}
+
+
+int cx25821_get_frame_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch )
+{
+ struct file * myfile;
+ int frame_index_temp = dev->_frame_index_ch2;
+ int i = 0;
+ int line_size = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? Y411_LINE_SZ : Y422_LINE_SZ;
+ int frame_size = 0;
+ int frame_offset = 0;
+ ssize_t vfs_read_retval = 0;
+ char mybuf[line_size];
+ loff_t file_offset;
+ loff_t pos;
+ mm_segment_t old_fs;
+
+
+ if( dev->_file_status_ch2 == END_OF_FILE )
+ return 0;
+
+ if( dev->_isNTSC_ch2 )
+ {
+ frame_size = (line_size == Y411_LINE_SZ) ? FRAME_SIZE_NTSC_Y411 : FRAME_SIZE_NTSC_Y422;
+ }
+ else
+ {
+ frame_size = (line_size == Y411_LINE_SZ) ? FRAME_SIZE_PAL_Y411 : FRAME_SIZE_PAL_Y422;
+ }
+
+ frame_offset = (frame_index_temp > 0) ? frame_size : 0;
+ file_offset = dev->_frame_count_ch2 * frame_size;
+
+
+ myfile = filp_open( dev->_filename_ch2, O_RDONLY | O_LARGEFILE, 0 );
+
+
+ if (IS_ERR(myfile))
+ {
+ const int open_errno = -PTR_ERR(myfile);
+ printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_filename_ch2, open_errno);
+ return PTR_ERR(myfile);
+ }
+ else
+ {
+ if( !(myfile->f_op) )
+ {
+ printk("%s: File has no file operations registered!", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+
+ if( !myfile->f_op->read )
+ {
+ printk("%s: File has no READ operations registered!", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+ pos = myfile->f_pos;
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+
+
+ for( i = 0; i < dev->_lines_count_ch2; i++ )
+ {
+ pos = file_offset;
+
+ vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos);
+
+ if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_data_buf_virt_addr_ch2 != NULL )
+ {
+ memcpy( (void*)(dev->_data_buf_virt_addr_ch2+frame_offset/4), mybuf, vfs_read_retval);
+ }
+
+ file_offset += vfs_read_retval;
+ frame_offset += vfs_read_retval;
+
+ if( vfs_read_retval < line_size )
+ {
+ printk(KERN_INFO "Done: exit %s() since no more bytes to read from Video file.\n", __func__ );
+ break;
+ }
+ }
+
+ if( i > 0 )
+ dev->_frame_count_ch2++;
+
+ dev->_file_status_ch2 = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;
+
+
+ set_fs(old_fs);
+ filp_close(myfile, NULL);
+ }
+
+ return 0;
+}
+
+static void cx25821_vidups_handler_ch2(struct work_struct *work)
+{
+ struct cx25821_dev *dev = container_of(work, struct cx25821_dev, _irq_work_entry_ch2);
+
+ if( !dev )
+ {
+ printk("ERROR %s(): since container_of(work_struct) FAILED! \n", __func__ );
+ return;
+ }
+
+ cx25821_get_frame_ch2( dev, &dev->sram_channels[dev->_channel2_upstream_select] );
+}
+
+
+int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch)
+{
+ struct file * myfile;
+ int i = 0, j = 0;
+ int line_size = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? Y411_LINE_SZ : Y422_LINE_SZ;
+ ssize_t vfs_read_retval = 0;
+ char mybuf[line_size];
+ loff_t pos;
+ loff_t offset = (unsigned long)0;
+ mm_segment_t old_fs;
+
+
+ myfile = filp_open( dev->_filename_ch2, O_RDONLY | O_LARGEFILE, 0 );
+
+
+ if (IS_ERR(myfile))
+ {
+ const int open_errno = -PTR_ERR(myfile);
+ printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_filename_ch2, open_errno);
+ return PTR_ERR(myfile);
+ }
+ else
+ {
+ if( !(myfile->f_op) )
+ {
+ printk("%s: File has no file operations registered!", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+
+ if( !myfile->f_op->read )
+ {
+ printk("%s: File has no READ operations registered! Returning.", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+ pos = myfile->f_pos;
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+
+
+ for( j = 0; j < NUM_FRAMES; j++ )
+ {
+ for( i = 0; i < dev->_lines_count_ch2; i++ )
+ {
+ pos = offset;
+
+ vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos);
+
+ if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_data_buf_virt_addr_ch2 != NULL )
+ {
+ memcpy( (void*)(dev->_data_buf_virt_addr_ch2+offset/4), mybuf, vfs_read_retval);
+ }
+
+
+ offset += vfs_read_retval;
+
+ if( vfs_read_retval < line_size )
+ {
+ printk(KERN_INFO "Done: exit %s() since no more bytes to read from Video file.\n", __func__ );
+ break;
+ }
+ }
+
+ if( i > 0 )
+ dev->_frame_count_ch2++;
+
+ if( vfs_read_retval < line_size )
+ {
+ break;
+ }
+ }
+
+ dev->_file_status_ch2 = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;
+
+ set_fs(old_fs);
+ myfile->f_pos = 0;
+ filp_close(myfile, NULL);
+ }
+
+ return 0;
+}
+
+
+static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
+ struct sram_channel *sram_ch,
+ int bpl)
+{
+ int ret = 0;
+ dma_addr_t dma_addr;
+ dma_addr_t data_dma_addr;
+
+
+ if( dev->_dma_virt_addr_ch2 != NULL )
+ {
+ pci_free_consistent(dev->pci, dev->upstream_riscbuf_size_ch2, dev->_dma_virt_addr_ch2, dev->_dma_phys_addr_ch2);
+ }
+
+ dev->_dma_virt_addr_ch2 = pci_alloc_consistent(dev->pci, dev->upstream_riscbuf_size_ch2, &dma_addr);
+ dev->_dma_virt_start_addr_ch2 = dev->_dma_virt_addr_ch2;
+ dev->_dma_phys_start_addr_ch2 = dma_addr;
+ dev->_dma_phys_addr_ch2 = dma_addr;
+ dev->_risc_size_ch2 = dev->upstream_riscbuf_size_ch2;
+
+
+ if (!dev->_dma_virt_addr_ch2)
+ {
+ printk("cx25821: FAILED to allocate memory for Risc buffer! Returning.\n");
+ return -ENOMEM;
+ }
+
+
+ //Iniitize at this address until n bytes to 0
+ memset( dev->_dma_virt_addr_ch2, 0, dev->_risc_size_ch2 );
+
+
+ if( dev->_data_buf_virt_addr_ch2 != NULL )
+ {
+ pci_free_consistent(dev->pci, dev->upstream_databuf_size_ch2, dev->_data_buf_virt_addr_ch2, dev->_data_buf_phys_addr_ch2);
+ }
+
+ //For Video Data buffer allocation
+ dev->_data_buf_virt_addr_ch2 = pci_alloc_consistent(dev->pci, dev->upstream_databuf_size_ch2, &data_dma_addr);
+ dev->_data_buf_phys_addr_ch2 = data_dma_addr;
+ dev->_data_buf_size_ch2 = dev->upstream_databuf_size_ch2;
+
+ if (!dev->_data_buf_virt_addr_ch2)
+ {
+ printk("cx25821: FAILED to allocate memory for data buffer! Returning.\n");
+ return -ENOMEM;
+ }
+
+
+ //Initialize at this address until n bytes to 0
+ memset( dev->_data_buf_virt_addr_ch2, 0, dev->_data_buf_size_ch2 );
+
+
+ ret = cx25821_openfile_ch2(dev, sram_ch);
+ if( ret < 0 )
+ return ret;
+
+
+ //Creating RISC programs
+ ret = cx25821_risc_buffer_upstream_ch2(dev, dev->pci, 0, bpl, dev->_lines_count_ch2 );
+ if (ret < 0)
+ {
+ printk(KERN_INFO "cx25821: Failed creating Video Upstream Risc programs! \n");
+ goto error;
+ }
+
+ return 0;
+
+error:
+ return ret;
+}
+
+int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num, u32 status)
+{
+ u32 int_msk_tmp;
+ struct sram_channel *channel = &dev->sram_channels[chan_num];
+ int singlefield_lines = NTSC_FIELD_HEIGHT;
+ int line_size_in_bytes = Y422_LINE_SZ;
+ int odd_risc_prog_size = 0;
+ dma_addr_t risc_phys_jump_addr;
+ __le32 * rp;
+
+
+
+ if (status & FLD_VID_SRC_RISC1)
+ {
+ // We should only process one program per call
+ u32 prog_cnt = cx_read( channel->gpcnt );
+
+ //Since we've identified our IRQ, clear our bits from the interrupt mask and interrupt status registers
+ int_msk_tmp = cx_read(channel->int_msk);
+ cx_write(channel->int_msk, int_msk_tmp & ~_intr_msk);
+ cx_write( channel->int_stat, _intr_msk );
+
+ spin_lock(&dev->slock);
+
+ dev->_frame_index_ch2 = prog_cnt;
+
+ queue_work(dev->_irq_queues_ch2, &dev->_irq_work_entry_ch2);
+
+
+ if ( dev->_is_first_frame_ch2 )
+ {
+ dev->_is_first_frame_ch2 = 0;
+
+ if( dev->_isNTSC_ch2 )
+ {
+ singlefield_lines += 1;
+ odd_risc_prog_size = ODD_FLD_NTSC_PROG_SIZE;
+ }
+ else
+ {
+ singlefield_lines = PAL_FIELD_HEIGHT;
+ odd_risc_prog_size = ODD_FLD_PAL_PROG_SIZE;
+ }
+
+
+ if( dev->_dma_virt_start_addr_ch2 != NULL )
+ {
+ line_size_in_bytes = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? Y411_LINE_SZ : Y422_LINE_SZ;
+ risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2 + odd_risc_prog_size;
+
+ rp = cx25821_update_riscprogram_ch2(dev, dev->_dma_virt_start_addr_ch2, TOP_OFFSET, line_size_in_bytes, 0x0, singlefield_lines, FIFO_DISABLE, ODD_FIELD);
+
+ // Jump to Even Risc program of 1st Frame
+ *(rp++) = cpu_to_le32(RISC_JUMP);
+ *(rp++) = cpu_to_le32(risc_phys_jump_addr);
+ *(rp++) = cpu_to_le32(0);
+ }
+ }
+
+ spin_unlock(&dev->slock);
+ }
+
+
+ if( dev->_file_status_ch2 == END_OF_FILE )
+ {
+ printk("cx25821: EOF Channel 2 Framecount = %d\n", dev->_frame_count_ch2 );
+ return -1;
+ }
+
+ //ElSE, set the interrupt mask register, re-enable irq.
+ int_msk_tmp = cx_read( channel->int_msk );
+ cx_write( channel->int_msk, int_msk_tmp |= _intr_msk );
+
+ return 0;
+}
+
+static irqreturn_t cx25821_upstream_irq_ch2(int irq, void *dev_id)
+{
+ struct cx25821_dev *dev = dev_id;
+ u32 msk_stat, vid_status;
+ int handled = 0;
+ int channel_num = 0;
+ struct sram_channel *sram_ch;
+
+
+ if( !dev )
+ return -1;
+
+ channel_num = VID_UPSTREAM_SRAM_CHANNEL_J;
+
+ sram_ch = &dev->sram_channels[channel_num];
+
+ msk_stat = cx_read(sram_ch->int_mstat);
+ vid_status = cx_read(sram_ch->int_stat);
+
+ // Only deal with our interrupt
+ if(vid_status)
+ {
+ handled = cx25821_video_upstream_irq_ch2(dev, channel_num, vid_status);
+ }
+
+
+ if( handled < 0 )
+ {
+ cx25821_stop_upstream_video_ch2(dev);
+ }
+ else
+ {
+ handled += handled;
+ }
+
+ return IRQ_RETVAL(handled);
+}
+
+
+static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev, struct sram_channel *ch, int pix_format)
+{
+ int width = WIDTH_D1;
+ int height = dev->_lines_count_ch2;
+ int num_lines, odd_num_lines;
+ u32 value;
+ int vip_mode = PIXEL_ENGINE_VIP1;
+
+
+ value = ( (pix_format & 0x3) << 12 ) | ( vip_mode & 0x7 );
+ value &= 0xFFFFFFEF;
+ value |= dev->_isNTSC_ch2 ? 0 : 0x10;
+ cx_write( ch->vid_fmt_ctl, value );
+
+ // set number of active pixels in each line. Default is 720 pixels in both NTSC and PAL format
+ cx_write( ch->vid_active_ctl1, width );
+
+ num_lines = (height / 2) & 0x3FF;
+ odd_num_lines = num_lines;
+
+ if(dev->_isNTSC_ch2)
+ {
+ odd_num_lines += 1;
+ }
+
+ value = (num_lines << 16) | odd_num_lines;
+
+ // set number of active lines in field 0 (top) and field 1 (bottom)
+ cx_write( ch->vid_active_ctl2, value );
+
+ cx_write( ch->vid_cdt_size, VID_CDT_SIZE >> 3 );
+}
+
+
+int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
+ struct sram_channel *sram_ch)
+{
+ u32 tmp = 0;
+ int err = 0;
+
+
+ // 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for channel A-C
+ tmp = cx_read( VID_CH_MODE_SEL );
+ cx_write( VID_CH_MODE_SEL, tmp | 0x1B0001FF);
+
+
+ // Set the physical start address of the RISC program in the initial program counter(IPC) member of the cmds.
+ cx_write(sram_ch->cmds_start + 0, dev->_dma_phys_addr_ch2);
+ cx_write(sram_ch->cmds_start + 4, 0); /* Risc IPC High 64 bits 63-32 */
+
+ /* reset counter */
+ cx_write(sram_ch->gpcnt_ctl, 3);
+
+ // Clear our bits from the interrupt status register.
+ cx_write( sram_ch->int_stat, _intr_msk );
+
+
+ //Set the interrupt mask register, enable irq.
+ cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << sram_ch->irq_bit));
+ tmp = cx_read( sram_ch->int_msk );
+ cx_write( sram_ch->int_msk, tmp |= _intr_msk );
+
+
+ err = request_irq(dev->pci->irq, cx25821_upstream_irq_ch2, IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
+ if (err < 0)
+ {
+ printk(KERN_ERR "%s: can't get upstream IRQ %d\n", dev->name, dev->pci->irq);
+ goto fail_irq;
+ }
+
+ // Start the DMA engine
+ tmp = cx_read( sram_ch->dma_ctl );
+ cx_set( sram_ch->dma_ctl, tmp | FLD_VID_RISC_EN );
+
+ dev->_is_running_ch2 = 1;
+ dev->_is_first_frame_ch2 = 1;
+
+ return 0;
+
+
+fail_irq:
+ cx25821_dev_unregister(dev);
+ return err;
+}
+
+
+int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, int pixel_format)
+{
+ struct sram_channel *sram_ch;
+ u32 tmp;
+ int retval = 0;
+ int err = 0;
+ int data_frame_size = 0;
+ int risc_buffer_size = 0;
+ int str_length = 0;
+
+ if( dev->_is_running_ch2 )
+ {
+ printk("Video Channel is still running so return!\n");
+ return 0;
+ }
+
+ dev->_channel2_upstream_select = channel_select;
+ sram_ch = &dev->sram_channels[channel_select];
+
+
+ INIT_WORK(&dev->_irq_work_entry_ch2, cx25821_vidups_handler_ch2);
+ dev->_irq_queues_ch2 = create_singlethread_workqueue("cx25821_workqueue2");
+
+ if(!dev->_irq_queues_ch2)
+ {
+ printk("cx25821: create_singlethread_workqueue() for Video FAILED!\n");
+ return -ENOMEM;
+ }
+
+ // 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for channel A-C
+ tmp = cx_read( VID_CH_MODE_SEL );
+ cx_write( VID_CH_MODE_SEL, tmp | 0x1B0001FF);
+
+
+ dev->_is_running_ch2 = 0;
+ dev->_frame_count_ch2 = 0;
+ dev->_file_status_ch2 = RESET_STATUS;
+ dev->_lines_count_ch2 = dev->_isNTSC_ch2 ? 480 : 576;
+ dev->_pixel_format_ch2 = pixel_format;
+ dev->_line_size_ch2 = (dev->_pixel_format_ch2 == PIXEL_FRMT_422) ? (WIDTH_D1 * 2) : (WIDTH_D1 * 3) / 2;
+ data_frame_size = dev->_isNTSC_ch2 ? NTSC_DATA_BUF_SZ : PAL_DATA_BUF_SZ;
+ risc_buffer_size = dev->_isNTSC_ch2 ? NTSC_RISC_BUF_SIZE : PAL_RISC_BUF_SIZE;
+
+
+ if( dev->input_filename_ch2 )
+ {
+ str_length = strlen(dev->input_filename_ch2);
+ dev->_filename_ch2 = (char *) kmalloc(str_length + 1, GFP_KERNEL);
+
+ if( !dev->_filename_ch2 )
+ goto error;
+
+ memcpy(dev->_filename_ch2, dev->input_filename_ch2, str_length + 1);
+ }
+ else
+ {
+ str_length = strlen(dev->_defaultname_ch2);
+ dev->_filename_ch2 = (char *) kmalloc(str_length + 1, GFP_KERNEL);
+
+ if( !dev->_filename_ch2 )
+ goto error;
+
+ memcpy(dev->_filename_ch2, dev->_defaultname_ch2, str_length + 1);
+ }
+
+
+ //Default if filename is empty string
+ if( strcmp(dev->input_filename_ch2,"") == 0)
+ {
+ if( dev->_isNTSC_ch2 )
+ {
+ dev->_filename_ch2 = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? "/root/vid411.yuv" : "/root/vidtest.yuv";
+ }
+ else
+ {
+ dev->_filename_ch2 = (dev->_pixel_format_ch2 == PIXEL_FRMT_411) ? "/root/pal411.yuv" : "/root/pal422.yuv";
+ }
+ }
+
+
+ retval = cx25821_sram_channel_setup_upstream(dev, sram_ch, dev->_line_size_ch2, 0);
+
+
+ /* setup fifo + format */
+ cx25821_set_pixelengine_ch2(dev, sram_ch, dev->_pixel_format_ch2);
+
+ dev->upstream_riscbuf_size_ch2 = risc_buffer_size * 2;
+ dev->upstream_databuf_size_ch2 = data_frame_size * 2;
+
+
+ //Allocating buffers and prepare RISC program
+ retval = cx25821_upstream_buffer_prepare_ch2(dev, sram_ch, dev->_line_size_ch2);
+ if (retval < 0)
+ {
+ printk(KERN_ERR "%s: Failed to set up Video upstream buffers!\n", dev->name);
+ goto error;
+ }
+
+
+ cx25821_start_video_dma_upstream_ch2(dev, sram_ch);
+
+ return 0;
+
+error:
+ cx25821_dev_unregister(dev);
+
+ return err;
+}
+
diff --git a/drivers/staging/cx25821/cx25821-video-upstream-ch2.h b/drivers/staging/cx25821/cx25821-video-upstream-ch2.h new file mode 100644 index 0000000..71de874 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-video-upstream-ch2.h @@ -0,0 +1,107 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <hiep.huynh@conexant.com>, <shu.lin@conexant.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/mutex.h>
+#include <linux/workqueue.h>
+
+
+#define OPEN_FILE_1 0
+#define NUM_PROGS 8
+#define NUM_FRAMES 2
+#define ODD_FIELD 0
+#define EVEN_FIELD 1
+#define TOP_OFFSET 0
+#define FIFO_DISABLE 0
+#define FIFO_ENABLE 1
+#define TEST_FRAMES 5
+#define END_OF_FILE 0
+#define IN_PROGRESS 1
+#define RESET_STATUS -1
+#define NUM_NO_OPS 5
+
+
+
+// PAL and NTSC line sizes and number of lines.
+#define WIDTH_D1 720
+#define NTSC_LINES_PER_FRAME 480
+#define PAL_LINES_PER_FRAME 576
+#define PAL_LINE_SZ 1440
+#define Y422_LINE_SZ 1440
+#define Y411_LINE_SZ 1080
+#define NTSC_FIELD_HEIGHT 240
+#define NTSC_ODD_FLD_LINES 241
+#define PAL_FIELD_HEIGHT 288
+
+#define FRAME_SIZE_NTSC_Y422 (NTSC_LINES_PER_FRAME * Y422_LINE_SZ)
+#define FRAME_SIZE_NTSC_Y411 (NTSC_LINES_PER_FRAME * Y411_LINE_SZ)
+#define FRAME_SIZE_PAL_Y422 (PAL_LINES_PER_FRAME * Y422_LINE_SZ)
+#define FRAME_SIZE_PAL_Y411 (PAL_LINES_PER_FRAME * Y411_LINE_SZ)
+
+#define NTSC_DATA_BUF_SZ (Y422_LINE_SZ * NTSC_LINES_PER_FRAME)
+#define PAL_DATA_BUF_SZ (Y422_LINE_SZ * PAL_LINES_PER_FRAME)
+
+#define RISC_WRITECR_INSTRUCTION_SIZE 16
+#define RISC_SYNC_INSTRUCTION_SIZE 4
+#define JUMP_INSTRUCTION_SIZE 12
+#define MAXSIZE_NO_OPS 36
+#define DWORD_SIZE 4
+
+
+
+#define USE_RISC_NOOP_VIDEO 1
+
+#ifdef USE_RISC_NOOP_VIDEO
+#define PAL_US_VID_PROG_SIZE ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + \
+ RISC_SYNC_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)
+
+#define PAL_RISC_BUF_SIZE (2 * PAL_US_VID_PROG_SIZE)
+
+#define PAL_VID_PROG_SIZE ((PAL_FIELD_HEIGHT*2) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
+ RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE + 2*NUM_NO_OPS*DWORD_SIZE)
+
+#define ODD_FLD_PAL_PROG_SIZE ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + \
+ RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)
+
+#define NTSC_US_VID_PROG_SIZE ((NTSC_ODD_FLD_LINES + 1) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + \
+ JUMP_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)
+
+#define NTSC_RISC_BUF_SIZE (2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE))
+
+#define FRAME1_VID_PROG_SIZE ((NTSC_ODD_FLD_LINES + NTSC_FIELD_HEIGHT) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
+ RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE + 2*NUM_NO_OPS*DWORD_SIZE)
+#define ODD_FLD_NTSC_PROG_SIZE ((NTSC_ODD_FLD_LINES) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + \
+ RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)
+#endif
+
+
+#ifndef USE_RISC_NOOP_VIDEO
+#define PAL_US_VID_PROG_SIZE ((PAL_FIELD_HEIGHT + 1) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE )
+#define PAL_RISC_BUF_SIZE ( 2 * (RISC_SYNC_INSTRUCTION_SIZE + PAL_US_VID_PROG_SIZE) )
+#define PAL_VID_PROG_SIZE ((PAL_FIELD_HEIGHT*2) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
+ RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE )
+#define ODD_FLD_PAL_PROG_SIZE ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE )
+#define ODD_FLD_NTSC_PROG_SIZE ((NTSC_ODD_FLD_LINES) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE )
+#define NTSC_US_VID_PROG_SIZE ((NTSC_ODD_FLD_LINES + 1) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE)
+#define NTSC_RISC_BUF_SIZE (2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE) )
+#define FRAME1_VID_PROG_SIZE ((NTSC_ODD_FLD_LINES + NTSC_FIELD_HEIGHT) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
+ RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE )
+#endif
diff --git a/drivers/staging/cx25821/cx25821-video-upstream.c b/drivers/staging/cx25821/cx25821-video-upstream.c new file mode 100644 index 0000000..14d204a --- /dev/null +++ b/drivers/staging/cx25821/cx25821-video-upstream.c @@ -0,0 +1,923 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <hiep.huynh@conexant.com>, <shu.lin@conexant.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+#include "cx25821-video.h"
+#include "cx25821-video-upstream.h"
+
+#include <linux/fs.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/syscalls.h>
+#include <linux/file.h>
+#include <linux/fcntl.h>
+#include <asm/uaccess.h>
+
+
+MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards");
+MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>");
+MODULE_LICENSE("GPL");
+
+
+static int _intr_msk = FLD_VID_SRC_RISC1 | FLD_VID_SRC_UF | FLD_VID_SRC_SYNC | FLD_VID_SRC_OPC_ERR;
+
+int cx25821_sram_channel_setup_upstream(struct cx25821_dev *dev,
+ struct sram_channel *ch,
+ unsigned int bpl, u32 risc)
+{
+ unsigned int i, lines;
+ u32 cdt;
+
+
+ if (ch->cmds_start == 0) {
+ cx_write(ch->ptr1_reg, 0);
+ cx_write(ch->ptr2_reg, 0);
+ cx_write(ch->cnt2_reg, 0);
+ cx_write(ch->cnt1_reg, 0);
+ return 0;
+ }
+
+ bpl = (bpl + 7) & ~7; /* alignment */
+ cdt = ch->cdt;
+ lines = ch->fifo_size / bpl;
+
+ if (lines > 4)
+ {
+ lines = 4;
+ }
+
+ BUG_ON(lines < 2);
+
+
+ /* write CDT */
+ for (i = 0; i < lines; i++) {
+ cx_write(cdt + 16*i, ch->fifo_start + bpl*i);
+ cx_write(cdt + 16*i + 4, 0);
+ cx_write(cdt + 16*i + 8, 0);
+ cx_write(cdt + 16*i + 12, 0);
+ }
+
+ /* write CMDS */
+ cx_write(ch->cmds_start + 0, risc);
+
+ cx_write(ch->cmds_start + 4, 0);
+ cx_write(ch->cmds_start + 8, cdt);
+ cx_write(ch->cmds_start + 12, (lines*16) >> 3);
+ cx_write(ch->cmds_start + 16, ch->ctrl_start);
+
+
+ cx_write(ch->cmds_start + 20, VID_IQ_SIZE_DW);
+
+ for (i = 24; i < 80; i += 4)
+ cx_write(ch->cmds_start + i, 0);
+
+ /* fill registers */
+ cx_write(ch->ptr1_reg, ch->fifo_start);
+ cx_write(ch->ptr2_reg, cdt);
+ cx_write(ch->cnt2_reg, (lines*16) >> 3);
+ cx_write(ch->cnt1_reg, (bpl >> 3) - 1);
+
+ return 0;
+}
+
+static __le32 *cx25821_update_riscprogram( struct cx25821_dev *dev,
+ __le32 *rp, unsigned int offset, unsigned int bpl,
+ u32 sync_line, unsigned int lines, int fifo_enable, int field_type)
+{
+ unsigned int line, i;
+ int dist_betwn_starts = bpl * 2;
+
+
+ *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
+
+
+ if( USE_RISC_NOOP_VIDEO )
+ {
+ for( i = 0; i < NUM_NO_OPS; i++ )
+ {
+ *(rp++) = cpu_to_le32(RISC_NOOP);
+ }
+ }
+
+ /* scan lines */
+ for (line = 0; line < lines; line++)
+ {
+ *(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl);
+ *(rp++) = cpu_to_le32(dev->_data_buf_phys_addr+offset);
+ *(rp++) = cpu_to_le32(0); /* bits 63-32 */
+
+ if ( (lines <= NTSC_FIELD_HEIGHT) || (line < (NTSC_FIELD_HEIGHT-1)) || !(dev->_isNTSC) )
+ {
+ offset += dist_betwn_starts;
+ }
+ }
+
+ return rp;
+}
+
+static __le32 *cx25821_risc_field_upstream( struct cx25821_dev *dev, __le32 *rp,
+ dma_addr_t databuf_phys_addr,
+ unsigned int offset, u32 sync_line,
+ unsigned int bpl, unsigned int lines, int fifo_enable, int field_type)
+{
+ unsigned int line, i;
+ struct sram_channel *sram_ch = &dev->sram_channels[dev->_channel_upstream_select];
+ int dist_betwn_starts = bpl * 2;
+
+
+ /* sync instruction */
+ if (sync_line != NO_SYNC_LINE)
+ {
+ *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
+ }
+
+
+ if( USE_RISC_NOOP_VIDEO )
+ {
+ for( i = 0; i < NUM_NO_OPS; i++ )
+ {
+ *(rp++) = cpu_to_le32(RISC_NOOP);
+ }
+ }
+
+ /* scan lines */
+ for (line = 0; line < lines; line++)
+ {
+ *(rp++) = cpu_to_le32(RISC_READ|RISC_SOL|RISC_EOL|bpl);
+ *(rp++) = cpu_to_le32(databuf_phys_addr+offset);
+ *(rp++) = cpu_to_le32(0); /* bits 63-32 */
+
+
+ if ( (lines <= NTSC_FIELD_HEIGHT) || (line < (NTSC_FIELD_HEIGHT-1)) || !(dev->_isNTSC) )
+ {
+ offset += dist_betwn_starts; //to skip the other field line
+ }
+
+
+ // check if we need to enable the FIFO after the first 4 lines
+ // For the upstream video channel, the risc engine will enable the FIFO.
+ if ( fifo_enable && line == 3 )
+ {
+ *(rp++) = RISC_WRITECR;
+ *(rp++) = sram_ch->dma_ctl;
+ *(rp++) = FLD_VID_FIFO_EN;
+ *(rp++) = 0x00000001;
+ }
+ }
+
+ return rp;
+}
+
+int cx25821_risc_buffer_upstream( struct cx25821_dev *dev,
+ struct pci_dev *pci,
+ unsigned int top_offset,
+ unsigned int bpl, unsigned int lines)
+{
+ __le32 *rp;
+ int fifo_enable = 0;
+ int singlefield_lines = lines >> 1; //get line count for single field
+ int odd_num_lines = singlefield_lines;
+ int frame = 0;
+ int frame_size = 0;
+ int databuf_offset = 0;
+ int risc_program_size = 0;
+ int risc_flag = RISC_CNT_RESET;
+ unsigned int bottom_offset = bpl;
+ dma_addr_t risc_phys_jump_addr;
+
+ if( dev->_isNTSC )
+ {
+ odd_num_lines = singlefield_lines + 1;
+ risc_program_size = FRAME1_VID_PROG_SIZE;
+ frame_size = (bpl == Y411_LINE_SZ) ? FRAME_SIZE_NTSC_Y411 : FRAME_SIZE_NTSC_Y422;
+ }
+ else
+ {
+ risc_program_size = PAL_VID_PROG_SIZE;
+ frame_size = (bpl == Y411_LINE_SZ) ? FRAME_SIZE_PAL_Y411 : FRAME_SIZE_PAL_Y422;
+ }
+
+
+ /* Virtual address of Risc buffer program */
+ rp = dev->_dma_virt_addr;
+
+ for( frame = 0; frame < NUM_FRAMES; frame++ )
+ {
+ databuf_offset = frame_size * frame;
+
+ if (UNSET != top_offset)
+ {
+ fifo_enable = (frame == 0) ? FIFO_ENABLE : FIFO_DISABLE;
+ rp = cx25821_risc_field_upstream(dev, rp, dev->_data_buf_phys_addr+databuf_offset, top_offset, 0, bpl, odd_num_lines, fifo_enable, ODD_FIELD);
+ }
+
+
+ fifo_enable = FIFO_DISABLE;
+
+
+ //Even Field
+ rp = cx25821_risc_field_upstream(dev, rp, dev->_data_buf_phys_addr+databuf_offset, bottom_offset, 0x200, bpl, singlefield_lines, fifo_enable, EVEN_FIELD);
+
+
+ if( frame == 0 )
+ {
+ risc_flag = RISC_CNT_RESET;
+ risc_phys_jump_addr = dev->_dma_phys_start_addr + risc_program_size;
+ }
+ else
+ {
+ risc_phys_jump_addr = dev->_dma_phys_start_addr;
+ risc_flag = RISC_CNT_INC;
+ }
+
+
+ // Loop to 2ndFrameRISC or to Start of Risc program & generate IRQ
+ *(rp++) = cpu_to_le32(RISC_JUMP|RISC_IRQ1|risc_flag);
+ *(rp++) = cpu_to_le32(risc_phys_jump_addr);
+ *(rp++) = cpu_to_le32(0);
+ }
+
+ return 0;
+}
+
+
+void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev)
+{
+ struct sram_channel *sram_ch = &dev->sram_channels[VID_UPSTREAM_SRAM_CHANNEL_I];
+ u32 tmp = 0;
+
+ if( !dev->_is_running )
+ {
+ printk("cx25821: No video file is currently running so return!\n");
+ return;
+ }
+
+ //Disable RISC interrupts
+ tmp = cx_read( sram_ch->int_msk );
+ cx_write( sram_ch->int_msk, tmp & ~_intr_msk);
+
+ //Turn OFF risc and fifo enable
+ tmp = cx_read( sram_ch->dma_ctl );
+ cx_write( sram_ch->dma_ctl, tmp & ~(FLD_VID_FIFO_EN | FLD_VID_RISC_EN) );
+
+ //Clear data buffer memory
+ if( dev->_data_buf_virt_addr )
+ memset( dev->_data_buf_virt_addr, 0, dev->_data_buf_size );
+
+ dev->_is_running = 0;
+ dev->_is_first_frame = 0;
+ dev->_frame_count = 0;
+ dev->_file_status = END_OF_FILE;
+
+ if( dev->_irq_queues )
+ {
+ kfree(dev->_irq_queues);
+ dev->_irq_queues = NULL;
+ }
+
+ if( dev->_filename != NULL )
+ kfree(dev->_filename);
+
+ tmp = cx_read( VID_CH_MODE_SEL );
+ cx_write( VID_CH_MODE_SEL, tmp & 0xFFFFFE00);
+}
+
+void cx25821_free_mem_upstream_ch1(struct cx25821_dev *dev)
+{
+ if( dev->_is_running )
+ {
+ cx25821_stop_upstream_video_ch1(dev);
+ }
+
+ if (dev->_dma_virt_addr)
+ {
+ pci_free_consistent(dev->pci, dev->_risc_size, dev->_dma_virt_addr, dev->_dma_phys_addr);
+ dev->_dma_virt_addr = NULL;
+ }
+
+ if (dev->_data_buf_virt_addr)
+ {
+ pci_free_consistent(dev->pci, dev->_data_buf_size, dev->_data_buf_virt_addr, dev->_data_buf_phys_addr);
+ dev->_data_buf_virt_addr = NULL;
+ }
+}
+
+
+int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch )
+{
+ struct file * myfile;
+ int frame_index_temp = dev->_frame_index;
+ int i = 0;
+ int line_size = (dev->_pixel_format == PIXEL_FRMT_411) ? Y411_LINE_SZ : Y422_LINE_SZ;
+ int frame_size = 0;
+ int frame_offset = 0;
+ ssize_t vfs_read_retval = 0;
+ char mybuf[line_size];
+ loff_t file_offset;
+ loff_t pos;
+ mm_segment_t old_fs;
+
+
+ if( dev->_file_status == END_OF_FILE )
+ return 0;
+
+ if( dev->_isNTSC )
+ {
+ frame_size = (line_size == Y411_LINE_SZ) ? FRAME_SIZE_NTSC_Y411 : FRAME_SIZE_NTSC_Y422;
+ }
+ else
+ {
+ frame_size = (line_size == Y411_LINE_SZ) ? FRAME_SIZE_PAL_Y411 : FRAME_SIZE_PAL_Y422;
+ }
+
+ frame_offset = (frame_index_temp > 0) ? frame_size : 0;
+ file_offset = dev->_frame_count * frame_size;
+
+
+ myfile = filp_open( dev->_filename, O_RDONLY | O_LARGEFILE, 0 );
+
+
+ if (IS_ERR(myfile))
+ {
+ const int open_errno = -PTR_ERR(myfile);
+ printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_filename, open_errno);
+ return PTR_ERR(myfile);
+ }
+ else
+ {
+ if( !(myfile->f_op) )
+ {
+ printk("%s: File has no file operations registered!", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+
+ if( !myfile->f_op->read )
+ {
+ printk("%s: File has no READ operations registered!", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+ pos = myfile->f_pos;
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+
+
+ for( i = 0; i < dev->_lines_count; i++ )
+ {
+ pos = file_offset;
+
+ vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos);
+
+ if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_data_buf_virt_addr != NULL )
+ {
+ memcpy( (void*)(dev->_data_buf_virt_addr+frame_offset/4), mybuf, vfs_read_retval);
+ }
+
+ file_offset += vfs_read_retval;
+ frame_offset += vfs_read_retval;
+
+ if( vfs_read_retval < line_size )
+ {
+ printk(KERN_INFO "Done: exit %s() since no more bytes to read from Video file.\n", __func__ );
+ break;
+ }
+ }
+
+ if( i > 0 )
+ dev->_frame_count++;
+
+ dev->_file_status = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;
+
+
+ set_fs(old_fs);
+ filp_close(myfile, NULL);
+ }
+
+ return 0;
+}
+
+static void cx25821_vidups_handler(struct work_struct *work)
+{
+ struct cx25821_dev *dev = container_of(work, struct cx25821_dev, _irq_work_entry);
+
+ if( !dev )
+ {
+ printk("ERROR %s(): since container_of(work_struct) FAILED! \n", __func__ );
+ return;
+ }
+
+ cx25821_get_frame( dev, &dev->sram_channels[dev->_channel_upstream_select] );
+}
+
+
+int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
+{
+ struct file * myfile;
+ int i = 0, j = 0;
+ int line_size = (dev->_pixel_format == PIXEL_FRMT_411) ? Y411_LINE_SZ : Y422_LINE_SZ;
+ ssize_t vfs_read_retval = 0;
+ char mybuf[line_size];
+ loff_t pos;
+ loff_t offset = (unsigned long)0;
+ mm_segment_t old_fs;
+
+
+ myfile = filp_open( dev->_filename, O_RDONLY | O_LARGEFILE, 0 );
+
+
+ if (IS_ERR(myfile))
+ {
+ const int open_errno = -PTR_ERR(myfile);
+ printk("%s(): ERROR opening file(%s) with errno = %d! \n", __func__, dev->_filename, open_errno);
+ return PTR_ERR(myfile);
+ }
+ else
+ {
+ if( !(myfile->f_op) )
+ {
+ printk("%s: File has no file operations registered!", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+
+ if( !myfile->f_op->read )
+ {
+ printk("%s: File has no READ operations registered! Returning.", __func__);
+ filp_close(myfile, NULL);
+ return -EIO;
+ }
+
+ pos = myfile->f_pos;
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+
+
+ for( j = 0; j < NUM_FRAMES; j++ )
+ {
+ for( i = 0; i < dev->_lines_count; i++ )
+ {
+ pos = offset;
+
+ vfs_read_retval = vfs_read(myfile, mybuf, line_size, &pos);
+
+ if( vfs_read_retval > 0 && vfs_read_retval == line_size && dev->_data_buf_virt_addr != NULL )
+ {
+ memcpy( (void*)(dev->_data_buf_virt_addr+offset/4), mybuf, vfs_read_retval);
+ }
+
+
+ offset += vfs_read_retval;
+
+ if( vfs_read_retval < line_size )
+ {
+ printk(KERN_INFO "Done: exit %s() since no more bytes to read from Video file.\n", __func__ );
+ break;
+ }
+ }
+
+ if( i > 0 )
+ dev->_frame_count++;
+
+ if( vfs_read_retval < line_size )
+ {
+ break;
+ }
+ }
+
+
+ dev->_file_status = (vfs_read_retval == line_size) ? IN_PROGRESS : END_OF_FILE;
+
+ set_fs(old_fs);
+ myfile->f_pos = 0;
+ filp_close(myfile, NULL);
+ }
+
+ return 0;
+}
+
+
+int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev,
+ struct sram_channel *sram_ch,
+ int bpl)
+{
+ int ret = 0;
+ dma_addr_t dma_addr;
+ dma_addr_t data_dma_addr;
+
+ if( dev->_dma_virt_addr != NULL )
+ {
+ pci_free_consistent(dev->pci, dev->upstream_riscbuf_size, dev->_dma_virt_addr, dev->_dma_phys_addr);
+ }
+
+
+ dev->_dma_virt_addr = pci_alloc_consistent(dev->pci, dev->upstream_riscbuf_size, &dma_addr);
+ dev->_dma_virt_start_addr = dev->_dma_virt_addr;
+ dev->_dma_phys_start_addr = dma_addr;
+ dev->_dma_phys_addr = dma_addr;
+ dev->_risc_size = dev->upstream_riscbuf_size;
+
+
+ if (!dev->_dma_virt_addr)
+ {
+ printk("cx25821: FAILED to allocate memory for Risc buffer! Returning.\n");
+ return -ENOMEM;
+ }
+
+
+ //Clear memory at address
+ memset( dev->_dma_virt_addr, 0, dev->_risc_size );
+
+
+ if( dev->_data_buf_virt_addr != NULL )
+ {
+ pci_free_consistent(dev->pci, dev->upstream_databuf_size, dev->_data_buf_virt_addr, dev->_data_buf_phys_addr);
+ }
+
+ //For Video Data buffer allocation
+ dev->_data_buf_virt_addr = pci_alloc_consistent(dev->pci, dev->upstream_databuf_size, &data_dma_addr);
+ dev->_data_buf_phys_addr = data_dma_addr;
+ dev->_data_buf_size = dev->upstream_databuf_size;
+
+ if (!dev->_data_buf_virt_addr)
+ {
+ printk("cx25821: FAILED to allocate memory for data buffer! Returning.\n");
+ return -ENOMEM;
+ }
+
+
+ //Clear memory at address
+ memset( dev->_data_buf_virt_addr, 0, dev->_data_buf_size );
+
+
+ ret = cx25821_openfile(dev, sram_ch);
+ if( ret < 0 )
+ return ret;
+
+
+ //Create RISC programs
+ ret = cx25821_risc_buffer_upstream(dev, dev->pci, 0, bpl, dev->_lines_count );
+ if (ret < 0)
+ {
+ printk(KERN_INFO "cx25821: Failed creating Video Upstream Risc programs! \n");
+ goto error;
+ }
+
+ return 0;
+
+error:
+ return ret;
+}
+
+int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num, u32 status)
+{
+ u32 int_msk_tmp;
+ struct sram_channel *channel = &dev->sram_channels[chan_num];
+ int singlefield_lines = NTSC_FIELD_HEIGHT;
+ int line_size_in_bytes = Y422_LINE_SZ;
+ int odd_risc_prog_size = 0;
+ dma_addr_t risc_phys_jump_addr;
+ __le32 * rp;
+
+
+
+ if (status & FLD_VID_SRC_RISC1)
+ {
+ // We should only process one program per call
+ u32 prog_cnt = cx_read( channel->gpcnt );
+
+ //Since we've identified our IRQ, clear our bits from the interrupt mask and interrupt status registers
+ int_msk_tmp = cx_read(channel->int_msk);
+ cx_write(channel->int_msk, int_msk_tmp & ~_intr_msk);
+ cx_write( channel->int_stat, _intr_msk );
+
+ spin_lock(&dev->slock);
+
+ dev->_frame_index = prog_cnt;
+
+ queue_work(dev->_irq_queues, &dev->_irq_work_entry);
+
+
+ if ( dev->_is_first_frame )
+ {
+ dev->_is_first_frame = 0;
+
+ if( dev->_isNTSC )
+ {
+ singlefield_lines += 1;
+ odd_risc_prog_size = ODD_FLD_NTSC_PROG_SIZE;
+ }
+ else
+ {
+ singlefield_lines = PAL_FIELD_HEIGHT;
+ odd_risc_prog_size = ODD_FLD_PAL_PROG_SIZE;
+ }
+
+
+ if( dev->_dma_virt_start_addr != NULL )
+ {
+ line_size_in_bytes = (dev->_pixel_format == PIXEL_FRMT_411) ? Y411_LINE_SZ : Y422_LINE_SZ;
+ risc_phys_jump_addr = dev->_dma_phys_start_addr + odd_risc_prog_size;
+
+ rp = cx25821_update_riscprogram(dev, dev->_dma_virt_start_addr, TOP_OFFSET, line_size_in_bytes, 0x0, singlefield_lines, FIFO_DISABLE, ODD_FIELD);
+
+ // Jump to Even Risc program of 1st Frame
+ *(rp++) = cpu_to_le32(RISC_JUMP);
+ *(rp++) = cpu_to_le32(risc_phys_jump_addr);
+ *(rp++) = cpu_to_le32(0);
+ }
+ }
+
+ spin_unlock(&dev->slock);
+ }
+ else
+ {
+ if(status & FLD_VID_SRC_UF)
+ printk("%s: Video Received Underflow Error Interrupt!\n", __func__);
+
+ if(status & FLD_VID_SRC_SYNC)
+ printk("%s: Video Received Sync Error Interrupt!\n", __func__);
+
+ if(status & FLD_VID_SRC_OPC_ERR)
+ printk("%s: Video Received OpCode Error Interrupt!\n", __func__);
+ }
+
+
+ if( dev->_file_status == END_OF_FILE )
+ {
+ printk("cx25821: EOF Channel 1 Framecount = %d\n", dev->_frame_count );
+ return -1;
+ }
+
+ //ElSE, set the interrupt mask register, re-enable irq.
+ int_msk_tmp = cx_read( channel->int_msk );
+ cx_write( channel->int_msk, int_msk_tmp |= _intr_msk );
+
+ return 0;
+}
+
+static irqreturn_t cx25821_upstream_irq(int irq, void *dev_id)
+{
+ struct cx25821_dev *dev = dev_id;
+ u32 msk_stat, vid_status;
+ int handled = 0;
+ int channel_num = 0;
+ struct sram_channel *sram_ch;
+
+
+ if( !dev )
+ return -1;
+
+ channel_num = VID_UPSTREAM_SRAM_CHANNEL_I;
+
+ sram_ch = &dev->sram_channels[channel_num];
+
+ msk_stat = cx_read(sram_ch->int_mstat);
+ vid_status = cx_read(sram_ch->int_stat);
+
+ // Only deal with our interrupt
+ if(vid_status)
+ {
+ handled = cx25821_video_upstream_irq(dev, channel_num, vid_status);
+ }
+
+ if( handled < 0 )
+ {
+ cx25821_stop_upstream_video_ch1(dev);
+ }
+ else
+ {
+ handled += handled;
+ }
+
+ return IRQ_RETVAL(handled);
+}
+
+
+void cx25821_set_pixelengine(struct cx25821_dev *dev, struct sram_channel *ch, int pix_format)
+{
+ int width = WIDTH_D1;
+ int height = dev->_lines_count;
+ int num_lines, odd_num_lines;
+ u32 value;
+ int vip_mode = OUTPUT_FRMT_656;
+
+
+ value = ( (pix_format & 0x3) << 12 ) | ( vip_mode & 0x7 );
+ value &= 0xFFFFFFEF;
+ value |= dev->_isNTSC ? 0 : 0x10;
+ cx_write( ch->vid_fmt_ctl, value );
+
+
+ // set number of active pixels in each line. Default is 720 pixels in both NTSC and PAL format
+ cx_write( ch->vid_active_ctl1, width );
+
+ num_lines = (height / 2) & 0x3FF;
+ odd_num_lines = num_lines;
+
+ if(dev->_isNTSC)
+ {
+ odd_num_lines += 1;
+ }
+
+ value = (num_lines << 16) | odd_num_lines;
+
+ // set number of active lines in field 0 (top) and field 1 (bottom)
+ cx_write( ch->vid_active_ctl2, value );
+
+ cx_write( ch->vid_cdt_size, VID_CDT_SIZE >> 3 );
+}
+
+
+int cx25821_start_video_dma_upstream(struct cx25821_dev *dev,
+ struct sram_channel *sram_ch)
+{
+ u32 tmp = 0;
+ int err = 0;
+
+
+ // 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for channel A-C
+ tmp = cx_read( VID_CH_MODE_SEL );
+ cx_write( VID_CH_MODE_SEL, tmp | 0x1B0001FF);
+
+
+ // Set the physical start address of the RISC program in the initial program counter(IPC) member of the cmds.
+ cx_write(sram_ch->cmds_start + 0, dev->_dma_phys_addr);
+ cx_write(sram_ch->cmds_start + 4, 0); /* Risc IPC High 64 bits 63-32 */
+
+ /* reset counter */
+ cx_write(sram_ch->gpcnt_ctl, 3);
+
+ // Clear our bits from the interrupt status register.
+ cx_write( sram_ch->int_stat, _intr_msk );
+
+
+ //Set the interrupt mask register, enable irq.
+ cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << sram_ch->irq_bit));
+ tmp = cx_read( sram_ch->int_msk );
+ cx_write( sram_ch->int_msk, tmp |= _intr_msk );
+
+
+ err = request_irq(dev->pci->irq, cx25821_upstream_irq, IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
+ if (err < 0)
+ {
+ printk(KERN_ERR "%s: can't get upstream IRQ %d\n", dev->name, dev->pci->irq);
+ goto fail_irq;
+ }
+
+
+ // Start the DMA engine
+ tmp = cx_read( sram_ch->dma_ctl );
+ cx_set( sram_ch->dma_ctl, tmp | FLD_VID_RISC_EN );
+
+ dev->_is_running = 1;
+ dev->_is_first_frame = 1;
+
+ return 0;
+
+fail_irq:
+ cx25821_dev_unregister(dev);
+ return err;
+}
+
+
+int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, int pixel_format)
+{
+ struct sram_channel *sram_ch;
+ u32 tmp;
+ int retval = 0;
+ int err = 0;
+ int data_frame_size = 0;
+ int risc_buffer_size = 0;
+ int str_length = 0;
+
+
+ if( dev->_is_running )
+ {
+ printk("Video Channel is still running so return!\n");
+ return 0;
+ }
+
+
+ dev->_channel_upstream_select = channel_select;
+ sram_ch = &dev->sram_channels[channel_select];
+
+
+ INIT_WORK(&dev->_irq_work_entry, cx25821_vidups_handler);
+ dev->_irq_queues = create_singlethread_workqueue("cx25821_workqueue");
+
+ if(!dev->_irq_queues)
+ {
+ printk("cx25821: create_singlethread_workqueue() for Video FAILED!\n");
+ return -ENOMEM;
+ }
+
+ // 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for channel A-C
+ tmp = cx_read( VID_CH_MODE_SEL );
+ cx_write( VID_CH_MODE_SEL, tmp | 0x1B0001FF);
+
+
+ dev->_is_running = 0;
+ dev->_frame_count = 0;
+ dev->_file_status = RESET_STATUS;
+ dev->_lines_count = dev->_isNTSC ? 480 : 576;
+ dev->_pixel_format = pixel_format;
+ dev->_line_size = (dev->_pixel_format == PIXEL_FRMT_422) ? (WIDTH_D1 * 2) : (WIDTH_D1 * 3) / 2;
+ data_frame_size = dev->_isNTSC ? NTSC_DATA_BUF_SZ : PAL_DATA_BUF_SZ;
+ risc_buffer_size = dev->_isNTSC ? NTSC_RISC_BUF_SIZE : PAL_RISC_BUF_SIZE;
+
+
+ if( dev->input_filename )
+ {
+ str_length = strlen(dev->input_filename);
+ dev->_filename = (char *) kmalloc(str_length + 1, GFP_KERNEL);
+
+ if( !dev->_filename )
+ goto error;
+
+ memcpy(dev->_filename, dev->input_filename, str_length + 1);
+ }
+ else
+ {
+ str_length = strlen(dev->_defaultname);
+ dev->_filename = (char *) kmalloc(str_length + 1, GFP_KERNEL);
+
+ if( !dev->_filename )
+ goto error;
+
+ memcpy(dev->_filename, dev->_defaultname, str_length + 1);
+ }
+
+
+ //Default if filename is empty string
+ if( strcmp(dev->input_filename,"") == 0)
+ {
+ if( dev->_isNTSC )
+ {
+ dev->_filename = (dev->_pixel_format == PIXEL_FRMT_411) ? "/root/vid411.yuv" : "/root/vidtest.yuv";
+ }
+ else
+ {
+ dev->_filename = (dev->_pixel_format == PIXEL_FRMT_411) ? "/root/pal411.yuv" : "/root/pal422.yuv";
+ }
+ }
+
+ dev->_is_running = 0;
+ dev->_frame_count = 0;
+ dev->_file_status = RESET_STATUS;
+ dev->_lines_count = dev->_isNTSC ? 480 : 576;
+ dev->_pixel_format = pixel_format;
+ dev->_line_size = (dev->_pixel_format == PIXEL_FRMT_422) ? (WIDTH_D1 * 2) : (WIDTH_D1 * 3) / 2;
+
+ retval = cx25821_sram_channel_setup_upstream(dev, sram_ch, dev->_line_size, 0);
+
+ /* setup fifo + format */
+ cx25821_set_pixelengine(dev, sram_ch, dev->_pixel_format);
+
+ dev->upstream_riscbuf_size = risc_buffer_size * 2;
+ dev->upstream_databuf_size = data_frame_size * 2;
+
+
+ //Allocating buffers and prepare RISC program
+ retval = cx25821_upstream_buffer_prepare(dev, sram_ch, dev->_line_size);
+ if (retval < 0)
+ {
+ printk(KERN_ERR "%s: Failed to set up Video upstream buffers!\n", dev->name);
+ goto error;
+ }
+
+
+ cx25821_start_video_dma_upstream(dev, sram_ch);
+
+ return 0;
+
+error:
+ cx25821_dev_unregister(dev);
+
+ return err;
+}
+
diff --git a/drivers/staging/cx25821/cx25821-video-upstream.h b/drivers/staging/cx25821/cx25821-video-upstream.h new file mode 100644 index 0000000..632ccc6 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-video-upstream.h @@ -0,0 +1,113 @@ +/*
+ * Driver for the Conexant CX25821 PCIe bridge
+ *
+ * Copyright (C) 2009 Conexant Systems Inc.
+ * Authors <hiep.huynh@conexant.com>, <shu.lin@conexant.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/mutex.h>
+#include <linux/workqueue.h>
+
+#define OUTPUT_FRMT_656 0
+#define OPEN_FILE_1 0
+#define NUM_PROGS 8
+#define NUM_FRAMES 2
+#define ODD_FIELD 0
+#define EVEN_FIELD 1
+#define TOP_OFFSET 0
+#define FIFO_DISABLE 0
+#define FIFO_ENABLE 1
+#define TEST_FRAMES 5
+#define END_OF_FILE 0
+#define IN_PROGRESS 1
+#define RESET_STATUS -1
+#define NUM_NO_OPS 5
+
+
+
+// PAL and NTSC line sizes and number of lines.
+#define WIDTH_D1 720
+#define NTSC_LINES_PER_FRAME 480
+#define PAL_LINES_PER_FRAME 576
+#define PAL_LINE_SZ 1440
+#define Y422_LINE_SZ 1440
+#define Y411_LINE_SZ 1080
+#define NTSC_FIELD_HEIGHT 240
+#define NTSC_ODD_FLD_LINES 241
+#define PAL_FIELD_HEIGHT 288
+
+#define FRAME_SIZE_NTSC_Y422 (NTSC_LINES_PER_FRAME * Y422_LINE_SZ)
+#define FRAME_SIZE_NTSC_Y411 (NTSC_LINES_PER_FRAME * Y411_LINE_SZ)
+#define FRAME_SIZE_PAL_Y422 (PAL_LINES_PER_FRAME * Y422_LINE_SZ)
+#define FRAME_SIZE_PAL_Y411 (PAL_LINES_PER_FRAME * Y411_LINE_SZ)
+
+#define NTSC_DATA_BUF_SZ (Y422_LINE_SZ * NTSC_LINES_PER_FRAME)
+#define PAL_DATA_BUF_SZ (Y422_LINE_SZ * PAL_LINES_PER_FRAME)
+
+#define RISC_WRITECR_INSTRUCTION_SIZE 16
+#define RISC_SYNC_INSTRUCTION_SIZE 4
+#define JUMP_INSTRUCTION_SIZE 12
+#define MAXSIZE_NO_OPS 36
+#define DWORD_SIZE 4
+
+
+#define USE_RISC_NOOP_VIDEO 1
+
+#ifdef USE_RISC_NOOP_VIDEO
+#define PAL_US_VID_PROG_SIZE ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + \
+ RISC_SYNC_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)
+
+#define PAL_RISC_BUF_SIZE (2 * PAL_US_VID_PROG_SIZE)
+
+#define PAL_VID_PROG_SIZE ((PAL_FIELD_HEIGHT*2) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
+ RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE + 2*NUM_NO_OPS*DWORD_SIZE)
+
+#define ODD_FLD_PAL_PROG_SIZE ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + \
+ RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)
+
+#define ODD_FLD_NTSC_PROG_SIZE ((NTSC_ODD_FLD_LINES) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + \
+ RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)
+
+#define NTSC_US_VID_PROG_SIZE ((NTSC_ODD_FLD_LINES + 1) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + \
+ JUMP_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE)
+
+#define NTSC_RISC_BUF_SIZE (2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE))
+
+#define FRAME1_VID_PROG_SIZE ((NTSC_ODD_FLD_LINES + NTSC_FIELD_HEIGHT) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
+ RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE + 2*NUM_NO_OPS*DWORD_SIZE)
+
+#endif
+
+
+#ifndef USE_RISC_NOOP_VIDEO
+#define PAL_US_VID_PROG_SIZE ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + \
+ RISC_SYNC_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE)
+
+#define PAL_RISC_BUF_SIZE (2 * PAL_US_VID_PROG_SIZE)
+
+#define PAL_VID_PROG_SIZE ((PAL_FIELD_HEIGHT*2) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
+ RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE )
+
+#define ODD_FLD_PAL_PROG_SIZE ((PAL_FIELD_HEIGHT) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE )
+#define ODD_FLD_NTSC_PROG_SIZE ((NTSC_ODD_FLD_LINES) * 3 * DWORD_SIZE + RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE )
+
+#define NTSC_US_VID_PROG_SIZE ((NTSC_ODD_FLD_LINES + 1) * 3 * DWORD_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE)
+#define NTSC_RISC_BUF_SIZE ( 2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE) )
+#define FRAME1_VID_PROG_SIZE ((NTSC_ODD_FLD_LINES + NTSC_FIELD_HEIGHT) * 3 * DWORD_SIZE + 2*RISC_SYNC_INSTRUCTION_SIZE + \
+ RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE )
+#endif
diff --git a/drivers/staging/cx25821/cx25821-video.c b/drivers/staging/cx25821/cx25821-video.c new file mode 100644 index 0000000..512cbe3 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-video.c @@ -0,0 +1,1337 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx25821-video.h" + +MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards"); +MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); +MODULE_LICENSE("GPL"); + +static unsigned int video_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET }; +static unsigned int radio_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET }; + +module_param_array(video_nr, int, NULL, 0444); +module_param_array(radio_nr, int, NULL, 0444); + +MODULE_PARM_DESC(video_nr, "video device numbers"); +MODULE_PARM_DESC(radio_nr, "radio device numbers"); + +static unsigned int video_debug=VIDEO_DEBUG; +module_param(video_debug, int, 0644); +MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); + +static unsigned int irq_debug; +module_param(irq_debug, int, 0644); +MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); + +unsigned int vid_limit = 16; +module_param(vid_limit, int, 0644); +MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); + +static void init_controls(struct cx25821_dev *dev, int chan_num); + +#define FORMAT_FLAGS_PACKED 0x01 + +struct cx25821_fmt formats[] = { + { + .name = "8 bpp, gray", + .fourcc = V4L2_PIX_FMT_GREY, + .depth = 8, + .flags = FORMAT_FLAGS_PACKED, + }, { + .name = "4:1:1, packed, Y41P", + .fourcc = V4L2_PIX_FMT_Y41P, + .depth = 12, + .flags = FORMAT_FLAGS_PACKED, + }, { + .name = "4:2:2, packed, YUYV", + .fourcc = V4L2_PIX_FMT_YUYV, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + }, { + .name = "4:2:2, packed, UYVY", + .fourcc = V4L2_PIX_FMT_UYVY, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + },{ + .name = "4:2:0, YUV", + .fourcc = V4L2_PIX_FMT_YUV420, + .depth = 12, + .flags = FORMAT_FLAGS_PACKED, + }, +}; + + +int get_format_size(void) +{ + return ARRAY_SIZE(formats); +} + + +struct cx25821_fmt *format_by_fourcc(unsigned int fourcc) +{ + unsigned int i; + + if( fourcc == V4L2_PIX_FMT_Y41P || fourcc == V4L2_PIX_FMT_YUV411P ) + { + return formats+1; + } + + for (i = 0; i < ARRAY_SIZE(formats); i++) + if (formats[i].fourcc == fourcc) + return formats+i; + + printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc); + return NULL; +} + +void dump_video_queue(struct cx25821_dev *dev, struct cx25821_dmaqueue *q) +{ + struct cx25821_buffer *buf; + struct list_head *item; + dprintk(1, "%s()\n", __func__); + + if (!list_empty(&q->active)) { + list_for_each(item, &q->active) + buf = list_entry(item, struct cx25821_buffer, vb.queue); + } + + if (!list_empty(&q->queued)) + { + list_for_each(item, &q->queued) + buf = list_entry(item, struct cx25821_buffer, vb.queue); + } + +} + + +void cx25821_video_wakeup(struct cx25821_dev *dev, struct cx25821_dmaqueue *q, u32 count) +{ + struct cx25821_buffer *buf; + int bc; + + for (bc = 0;; bc++) { + if (list_empty(&q->active)) + { + dprintk(1, "bc=%d (=0: active empty)\n", bc); + break; + } + + buf = list_entry(q->active.next, struct cx25821_buffer, vb.queue); + + /* count comes from the hw and it is 16bit wide -- + * this trick handles wrap-arounds correctly for + * up to 32767 buffers in flight... */ + if ((s16) (count - buf->count) < 0) + { + break; + } + + do_gettimeofday(&buf->vb.ts); + buf->vb.state = VIDEOBUF_DONE; + list_del(&buf->vb.queue); + wake_up(&buf->vb.done); + } + + if (list_empty(&q->active)) + del_timer(&q->timeout); + else + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + if (bc != 1) + printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", __func__, bc); +} + +#ifdef TUNER_FLAG +int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm) +{ + dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", __func__, + (unsigned int)norm, + v4l2_norm_to_name(norm)); + + dev->tvnorm = norm; + + /* Tell the internal A/V decoder */ + cx25821_call_all(dev, core, s_std, norm); + + return 0; +} +#endif + +struct video_device *cx25821_vdev_init(struct cx25821_dev *dev, + struct pci_dev *pci, + struct video_device *template, + char *type) +{ + struct video_device *vfd; + dprintk(1, "%s()\n", __func__); + + vfd = video_device_alloc(); + if (NULL == vfd) + return NULL; + *vfd = *template; + vfd->minor = -1; + vfd->v4l2_dev = &dev->v4l2_dev; + vfd->release = video_device_release; + snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, type, cx25821_boards[dev->board].name); + return vfd; +} + +/* +static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl) +{ + int i; + + if (qctrl->id < V4L2_CID_BASE || qctrl->id >= V4L2_CID_LASTP1) + return -EINVAL; + for (i = 0; i < CX25821_CTLS; i++) + if (cx25821_ctls[i].v.id == qctrl->id) + break; + if (i == CX25821_CTLS) { + *qctrl = no_ctl; + return 0; + } + *qctrl = cx25821_ctls[i].v; + return 0; +} +*/ + +// resource management +int res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bit) +{ + dprintk(1, "%s()\n", __func__); + if (fh->resources & bit) + /* have it already allocated */ + return 1; + + /* is it free? */ + mutex_lock(&dev->lock); + if (dev->resources & bit) { + /* no, someone else uses it */ + mutex_unlock(&dev->lock); + return 0; + } + /* it's free, grab it */ + fh->resources |= bit; + dev->resources |= bit; + dprintk(1, "res: get %d\n", bit); + mutex_unlock(&dev->lock); + return 1; +} + +int res_check(struct cx25821_fh *fh, unsigned int bit) +{ + return fh->resources & bit; +} + +int res_locked(struct cx25821_dev *dev, unsigned int bit) +{ + return dev->resources & bit; +} + +void res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bits) +{ + BUG_ON((fh->resources & bits) != bits); + dprintk(1, "%s()\n", __func__); + + mutex_lock(&dev->lock); + fh->resources &= ~bits; + dev->resources &= ~bits; + dprintk(1, "res: put %d\n", bits); + mutex_unlock(&dev->lock); +} + +int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input) +{ + struct v4l2_routing route; + memset(&route, 0, sizeof(route)); + + dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", __func__, + input, INPUT(input)->vmux, + INPUT(input)->gpio0, INPUT(input)->gpio1, + INPUT(input)->gpio2, INPUT(input)->gpio3); + dev->input = input; + + route.input = INPUT(input)->vmux; + + /* Tell the internal A/V decoder */ + cx25821_call_all(dev, video, s_routing, INPUT(input)->vmux, 0, 0); + + return 0; +} + +int cx25821_start_video_dma(struct cx25821_dev *dev, + struct cx25821_dmaqueue *q, + struct cx25821_buffer *buf, + struct sram_channel *channel) +{ + int tmp = 0; + + /* setup fifo + format */ + cx25821_sram_channel_setup(dev, channel, buf->bpl, buf->risc.dma); + + /* reset counter */ + cx_write(channel->gpcnt_ctl, 3); + q->count = 1; + + /* enable irq */ + cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1<<channel->i)); + cx_set(channel->int_msk, 0x11); + + /* start dma */ + cx_write(channel->dma_ctl, 0x11); /* FIFO and RISC enable */ + + /* make sure upstream setting if any is reversed */ + tmp = cx_read( VID_CH_MODE_SEL ); + cx_write( VID_CH_MODE_SEL, tmp & 0xFFFFFE00); + + return 0; +} + + +int cx25821_restart_video_queue(struct cx25821_dev *dev, struct cx25821_dmaqueue *q, struct sram_channel *channel) +{ + struct cx25821_buffer *buf, *prev; + struct list_head *item; + + if (!list_empty(&q->active)) { + buf = list_entry(q->active.next, struct cx25821_buffer, vb.queue); + + cx25821_start_video_dma(dev, q, buf, channel); + + list_for_each(item, &q->active) { + buf = list_entry(item, struct cx25821_buffer, vb.queue); + buf->count = q->count++; + } + + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + return 0; + } + + prev = NULL; + for (;;) { + if (list_empty(&q->queued)) + return 0; + + buf = list_entry(q->queued.next, struct cx25821_buffer, vb.queue); + + if (NULL == prev) { + list_move_tail(&buf->vb.queue, &q->active); + cx25821_start_video_dma(dev, q, buf, channel); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + } else if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_move_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ + } else { + return 0; + } + prev = buf; + } +} + +void cx25821_vid_timeout(unsigned long data) +{ + struct cx25821_data *timeout_data = (struct cx25821_data *)data; + struct cx25821_dev *dev = timeout_data->dev; + struct sram_channel *channel = timeout_data->channel; + struct cx25821_dmaqueue *q = &dev->vidq[channel->i]; + struct cx25821_buffer *buf; + unsigned long flags; + + //cx25821_sram_channel_dump(dev, channel); + cx_clear(channel->dma_ctl, 0x11); + + spin_lock_irqsave(&dev->slock, flags); + while (!list_empty(&q->active)) { + buf = list_entry(q->active.next, struct cx25821_buffer, vb.queue); + list_del(&buf->vb.queue); + + buf->vb.state = VIDEOBUF_ERROR; + wake_up(&buf->vb.done); + } + + cx25821_restart_video_queue(dev, q, channel); + spin_unlock_irqrestore(&dev->slock, flags); +} + +int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) +{ + u32 count=0; + int handled = 0; + u32 mask; + struct sram_channel *channel = &dev->sram_channels[chan_num]; + + mask = cx_read(channel->int_msk); + if (0 == (status & mask)) + return handled; + + cx_write(channel->int_stat, status); + + /* risc op code error */ + if (status & (1 << 16)) { + printk(KERN_WARNING "%s, %s: video risc op code error\n", dev->name, channel->name); + cx_clear(channel->dma_ctl, 0x11); + cx25821_sram_channel_dump(dev, channel); + } + + /* risc1 y */ + if (status & FLD_VID_DST_RISC1) { + spin_lock(&dev->slock); + count = cx_read(channel->gpcnt); + cx25821_video_wakeup(dev, &dev->vidq[channel->i], count); + spin_unlock(&dev->slock); + handled++; + } + + /* risc2 y */ + if (status & 0x10) { + dprintk(2, "stopper video\n"); + spin_lock(&dev->slock); + cx25821_restart_video_queue(dev, &dev->vidq[channel->i], channel); + spin_unlock(&dev->slock); + handled++; + } + return handled; +} + +void cx25821_videoioctl_unregister(struct cx25821_dev *dev) +{ + if( dev->ioctl_dev ) + { + if (dev->ioctl_dev->minor != -1) + video_unregister_device(dev->ioctl_dev); + else + video_device_release(dev->ioctl_dev); + + dev->ioctl_dev = NULL; + } +} + +void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num) +{ + cx_clear(PCI_INT_MSK, 1); + + if (dev->video_dev[chan_num]) { + if (-1 != dev->video_dev[chan_num]->minor) + video_unregister_device(dev->video_dev[chan_num]); + else + video_device_release(dev->video_dev[chan_num]); + + dev->video_dev[chan_num] = NULL; + + btcx_riscmem_free(dev->pci, &dev->vidq[chan_num].stopper); + + printk(KERN_WARNING "device %d released!\n", chan_num); + } + +} + + +int cx25821_video_register(struct cx25821_dev *dev, int chan_num, struct video_device *video_template) +{ + int err; + + spin_lock_init(&dev->slock); + + //printk(KERN_WARNING "Channel %d\n", chan_num); + +#ifdef TUNER_FLAG + dev->tvnorm = video_template->current_norm; +#endif + + /* init video dma queues */ + dev->timeout_data[chan_num].dev = dev; + dev->timeout_data[chan_num].channel = &dev->sram_channels[chan_num]; + INIT_LIST_HEAD(&dev->vidq[chan_num].active); + INIT_LIST_HEAD(&dev->vidq[chan_num].queued); + dev->vidq[chan_num].timeout.function = cx25821_vid_timeout; + dev->vidq[chan_num].timeout.data = (unsigned long)&dev->timeout_data[chan_num]; + init_timer(&dev->vidq[chan_num].timeout); + cx25821_risc_stopper(dev->pci, &dev->vidq[chan_num].stopper, dev->sram_channels[chan_num].dma_ctl, 0x11, 0); + + + /* register v4l devices */ + dev->video_dev[chan_num] = cx25821_vdev_init(dev, dev->pci, video_template, "video"); + err = video_register_device(dev->video_dev[chan_num], VFL_TYPE_GRABBER, video_nr[dev->nr]); + + if (err < 0) { + goto fail_unreg; + } + + //set PCI interrupt + cx_set(PCI_INT_MSK, 0xff); + + + /* initial device configuration */ + mutex_lock(&dev->lock); +#ifdef TUNER_FLAG + cx25821_set_tvnorm(dev, dev->tvnorm); +#endif + mutex_unlock(&dev->lock); + + init_controls(dev, chan_num); + + return 0; + +fail_unreg: + cx25821_video_unregister(dev, chan_num); + return err; +} + +int buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) +{ + struct cx25821_fh *fh = q->priv_data; + + *size = fh->fmt->depth*fh->width*fh->height >> 3; + + + if (0 == *count) + *count = 32; + + while (*size * *count > vid_limit * 1024 * 1024) + (*count)--; + + return 0; +} + +int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, enum v4l2_field field) +{ + struct cx25821_fh *fh = q->priv_data; + struct cx25821_dev *dev = fh->dev; + struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + int rc, init_buffer = 0; + u32 line0_offset, line1_offset; + struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); + int bpl_local = LINE_SIZE_D1; + int channel_opened = 0; + + + BUG_ON(NULL == fh->fmt); + if (fh->width < 48 || fh->width > 720 || + fh->height < 32 || fh->height > 576) + return -EINVAL; + + buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; + + if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) + return -EINVAL; + + + if (buf->fmt != fh->fmt || + buf->vb.width != fh->width || + buf->vb.height != fh->height || + buf->vb.field != field) { + buf->fmt = fh->fmt; + buf->vb.width = fh->width; + buf->vb.height = fh->height; + buf->vb.field = field; + init_buffer = 1; + } + + if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { + init_buffer = 1; + rc = videobuf_iolock(q, &buf->vb, NULL); + if (0 != rc) + { + printk(KERN_DEBUG "videobuf_iolock failed!\n"); + goto fail; + } + } + + dprintk(1, "init_buffer=%d\n", init_buffer); + + if (init_buffer) { + + channel_opened = dev->channel_opened; + channel_opened = (channel_opened < 0 || channel_opened > 7) ? 7 : channel_opened; + + if( dev->pixel_formats[channel_opened] == PIXEL_FRMT_411 ) + buf->bpl = (buf->fmt->depth * buf->vb.width) >> 3; + else + buf->bpl = (buf->fmt->depth >> 3) * (buf->vb.width); + + + if( dev->pixel_formats[channel_opened] == PIXEL_FRMT_411 ) + { + bpl_local = buf->bpl; + } + else + { + bpl_local = buf->bpl; //Default + + if( channel_opened >= 0 && channel_opened <= 7 ) + { + if( dev->use_cif_resolution[channel_opened] ) + { + if( dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK ) + bpl_local = 352 << 1; + else + bpl_local = dev->cif_width[channel_opened] << 1; + } + } + } + + + switch (buf->vb.field) { + case V4L2_FIELD_TOP: + cx25821_risc_buffer(dev->pci, &buf->risc, + dma->sglist, 0, UNSET, + buf->bpl, 0, buf->vb.height); + break; + case V4L2_FIELD_BOTTOM: + cx25821_risc_buffer(dev->pci, &buf->risc, + dma->sglist, UNSET, 0, + buf->bpl, 0, buf->vb.height); + break; + case V4L2_FIELD_INTERLACED: + /* All other formats are top field first */ + line0_offset = 0; + line1_offset = buf->bpl; + dprintk(1, "top field first\n"); + + cx25821_risc_buffer(dev->pci, &buf->risc, + dma->sglist, line0_offset, + bpl_local, bpl_local, bpl_local, + buf->vb.height >> 1); + break; + case V4L2_FIELD_SEQ_TB: + cx25821_risc_buffer(dev->pci, &buf->risc, + dma->sglist, + 0, buf->bpl * (buf->vb.height >> 1), + buf->bpl, 0, + buf->vb.height >> 1); + break; + case V4L2_FIELD_SEQ_BT: + cx25821_risc_buffer(dev->pci, &buf->risc, + dma->sglist, + buf->bpl * (buf->vb.height >> 1), 0, + buf->bpl, 0, + buf->vb.height >> 1); + break; + default: + BUG(); + } + } + + dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", + buf, buf->vb.i, fh->width, fh->height, fh->fmt->depth, fh->fmt->name, + (unsigned long)buf->risc.dma); + + buf->vb.state = VIDEOBUF_PREPARED; + + return 0; + + fail: + cx25821_free_buffer(q, buf); + return rc; +} + + +void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) +{ + struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + + cx25821_free_buffer(q, buf); +} + + +struct videobuf_queue *get_queue(struct cx25821_fh *fh) +{ + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + return &fh->vidq; + default: + BUG(); + return NULL; + } +} + +int get_resource(struct cx25821_fh *fh, int resource) +{ + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + return resource; + default: + BUG(); + return 0; + } +} + + +int video_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct cx25821_fh *fh = file->private_data; + + return videobuf_mmap_mapper(get_queue(fh), vma); +} + +/* VIDEO IOCTLS */ +int vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) +{ + struct cx25821_fh *fh = priv; + + f->fmt.pix.width = fh->width; + f->fmt.pix.height = fh->height; + f->fmt.pix.field = fh->vidq.field; + f->fmt.pix.pixelformat = fh->fmt->fourcc; + f->fmt.pix.bytesperline = (f->fmt.pix.width * fh->fmt->depth) >> 3; + f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; + + return 0; +} + +int vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) +{ + struct cx25821_fmt *fmt; + enum v4l2_field field; + unsigned int maxw, maxh; + + fmt = format_by_fourcc(f->fmt.pix.pixelformat); + if (NULL == fmt) + return -EINVAL; + + field = f->fmt.pix.field; + maxw = 720; + maxh = 576; + + if (V4L2_FIELD_ANY == field) { + field = (f->fmt.pix.height > maxh/2) + ? V4L2_FIELD_INTERLACED + : V4L2_FIELD_TOP; + } + + switch (field) { + case V4L2_FIELD_TOP: + case V4L2_FIELD_BOTTOM: + maxh = maxh / 2; + break; + case V4L2_FIELD_INTERLACED: + break; + default: + return -EINVAL; + } + + f->fmt.pix.field = field; + if (f->fmt.pix.height < 32) + f->fmt.pix.height = 32; + if (f->fmt.pix.height > maxh) + f->fmt.pix.height = maxh; + if (f->fmt.pix.width < 48) + f->fmt.pix.width = 48; + if (f->fmt.pix.width > maxw) + f->fmt.pix.width = maxw; + f->fmt.pix.width &= ~0x03; + f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3; + f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; + + return 0; +} + + + +int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + + strcpy(cap->driver, "cx25821"); + strlcpy(cap->card, cx25821_boards[dev->board].name, sizeof(cap->card)); + sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); + cap->version = CX25821_VERSION_CODE; + cap->capabilities = + V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_READWRITE | + V4L2_CAP_STREAMING; + if (UNSET != dev->tuner_type) + cap->capabilities |= V4L2_CAP_TUNER; + return 0; +} + +int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) +{ + if (unlikely(f->index >= ARRAY_SIZE(formats))) + return -EINVAL; + + strlcpy(f->description, formats[f->index].name, sizeof(f->description)); + f->pixelformat = formats[f->index].fourcc; + + return 0; +} + +#ifdef CONFIG_VIDEO_V4L1_COMPAT +int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) +{ + struct cx25821_fh *fh = priv; + struct videobuf_queue *q; + struct v4l2_requestbuffers req; + unsigned int i; + int err; + + q = get_queue(fh); + memset(&req, 0, sizeof(req)); + req.type = q->type; + req.count = 8; + req.memory = V4L2_MEMORY_MMAP; + err = videobuf_reqbufs(q, &req); + if (err < 0) + return err; + + mbuf->frames = req.count; + mbuf->size = 0; + for (i = 0; i < mbuf->frames; i++) { + mbuf->offsets[i] = q->bufs[i]->boff; + mbuf->size += q->bufs[i]->bsize; + } + return 0; +} +#endif + +int vidioc_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *p) +{ + struct cx25821_fh *fh = priv; + return videobuf_reqbufs(get_queue(fh), p); +} + +int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + struct cx25821_fh *fh = priv; + return videobuf_querybuf(get_queue(fh), p); +} + +int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + struct cx25821_fh *fh = priv; + return videobuf_qbuf(get_queue(fh), p); +} + +int vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev; + + *p = v4l2_prio_max(&dev->prio); + + return 0; +} + +int vidioc_s_priority(struct file *file, void *f, + enum v4l2_priority prio) +{ + struct cx25821_fh *fh = f; + struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev; + + return v4l2_prio_change(&dev->prio, &fh->prio, prio); +} + + +#ifdef TUNER_FLAG +int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + dprintk(1, "%s()\n", __func__); + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + if( dev->tvnorm == *tvnorms ) + { + return 0; + } + + mutex_lock(&dev->lock); + cx25821_set_tvnorm(dev, *tvnorms); + mutex_unlock(&dev->lock); + + medusa_set_videostandard(dev); + + return 0; +} +#endif + +int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i) +{ + static const char *iname[] = { + [CX25821_VMUX_COMPOSITE] = "Composite", + [CX25821_VMUX_SVIDEO] = "S-Video", + [CX25821_VMUX_DEBUG] = "for debug only", + }; + unsigned int n; + dprintk(1, "%s()\n", __func__); + + n = i->index; + if (n > 2) + return -EINVAL; + + if (0 == INPUT(n)->type) + return -EINVAL; + + memset(i, 0, sizeof(*i)); + i->index = n; + i->type = V4L2_INPUT_TYPE_CAMERA; + strcpy(i->name, iname[INPUT(n)->type]); + + i->std = CX25821_NORMS; + return 0; +} + +int vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *i) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + dprintk(1, "%s()\n", __func__); + return cx25821_enum_input(dev, i); +} + +int vidioc_g_input(struct file *file, void *priv, unsigned int *i) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + + *i = dev->input; + dprintk(1, "%s() returns %d\n", __func__, *i); + return 0; +} + + +int vidioc_s_input(struct file *file, void *priv, unsigned int i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + dprintk(1, "%s(%d)\n", __func__, i); + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + if (i > 2) { + dprintk(1, "%s() -EINVAL\n", __func__); + return -EINVAL; + } + + mutex_lock(&dev->lock); + cx25821_video_mux(dev, i); + mutex_unlock(&dev->lock); + return 0; +} + +#ifdef TUNER_FLAG +int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + + f->frequency = dev->freq; + + cx25821_call_all(dev, tuner, g_frequency, f); + + return 0; +} + +int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f) +{ + mutex_lock(&dev->lock); + dev->freq = f->frequency; + + cx25821_call_all(dev, tuner, s_frequency, f); + + /* When changing channels it is required to reset TVAUDIO */ + msleep(10); + + mutex_unlock(&dev->lock); + + return 0; +} + +int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + int err; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + return cx25821_set_freq(dev, f); +} +#endif + +#ifdef CONFIG_VIDEO_ADV_DEBUG +int vidioc_g_register(struct file *file, void *fh, + struct v4l2_dbg_register *reg) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev; + + if (!v4l2_chip_match_host(®->match)) + return -EINVAL; + + cx25821_call_all(dev, core, g_register, reg); + + return 0; +} + +int vidioc_s_register(struct file *file, void *fh, + struct v4l2_dbg_register *reg) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev; + + if (!v4l2_chip_match_host(®->match)) + return -EINVAL; + + cx25821_call_all(dev, core, s_register, reg); + + return 0; +} + +#endif + + +#ifdef TUNER_FLAG +int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + + if (unlikely(UNSET == dev->tuner_type)) + return -EINVAL; + if (0 != t->index) + return -EINVAL; + + strcpy(t->name, "Television"); + t->type = V4L2_TUNER_ANALOG_TV; + t->capability = V4L2_TUNER_CAP_NORM; + t->rangehigh = 0xffffffffUL; + + t->signal = 0xffff ; /* LOCKED */ + return 0; +} + +int vidioc_s_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + struct cx25821_fh *fh = priv; + int err; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + dprintk(1, "%s()\n", __func__); + if (UNSET == dev->tuner_type) + return -EINVAL; + if (0 != t->index) + return -EINVAL; + + return 0; +} + +#endif +// ****************************************************************************************** +static const struct v4l2_queryctrl no_ctl = { + .name = "42", + .flags = V4L2_CTRL_FLAG_DISABLED, +}; + +static struct v4l2_queryctrl cx25821_ctls[] = { + /* --- video --- */ + { + .id = V4L2_CID_BRIGHTNESS, + .name = "Brightness", + .minimum = 0, + .maximum = 10000, + .step = 1, + .default_value = 6200, + .type = V4L2_CTRL_TYPE_INTEGER, + },{ + .id = V4L2_CID_CONTRAST, + .name = "Contrast", + .minimum = 0, + .maximum = 10000, + .step = 1, + .default_value = 5000, + .type = V4L2_CTRL_TYPE_INTEGER, + },{ + .id = V4L2_CID_SATURATION, + .name = "Saturation", + .minimum = 0, + .maximum = 10000, + .step = 1, + .default_value = 5000, + .type = V4L2_CTRL_TYPE_INTEGER, + },{ + .id = V4L2_CID_HUE, + .name = "Hue", + .minimum = 0, + .maximum = 10000, + .step = 1, + .default_value = 5000, + .type = V4L2_CTRL_TYPE_INTEGER, + } +}; +static const int CX25821_CTLS = ARRAY_SIZE(cx25821_ctls); + +static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl) +{ + int i; + + if (qctrl->id < V4L2_CID_BASE || + qctrl->id >= V4L2_CID_LASTP1) + return -EINVAL; + for (i = 0; i < CX25821_CTLS; i++) + if (cx25821_ctls[i].id == qctrl->id) + break; + if (i == CX25821_CTLS) { + *qctrl = no_ctl; + return 0; + } + *qctrl = cx25821_ctls[i]; + return 0; +} + +int vidioc_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *qctrl) +{ + return cx25821_ctrl_query(qctrl); +} + +/* ------------------------------------------------------------------ */ +/* VIDEO CTRL IOCTLS */ + +static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id) +{ + unsigned int i; + + for (i = 0; i < CX25821_CTLS; i++) + if (cx25821_ctls[i].id == id) + return cx25821_ctls+i; + return NULL; +} + +int vidioc_g_ctrl(struct file *file, + void *priv, + struct v4l2_control *ctl) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + + const struct v4l2_queryctrl* ctrl; + + ctrl = ctrl_by_id(ctl->id); + + if (NULL == ctrl) + return -EINVAL; + switch (ctl->id) + { + case V4L2_CID_BRIGHTNESS: + ctl->value = dev->ctl_bright; + break; + case V4L2_CID_HUE: + ctl->value = dev->ctl_hue; + break; + case V4L2_CID_CONTRAST: + ctl->value = dev->ctl_contrast; + break; + case V4L2_CID_SATURATION: + ctl->value = dev->ctl_saturation; + break; + } + return 0; +} + +int cx25821_set_control(struct cx25821_dev *dev, + struct v4l2_control *ctl, int chan_num) +{ + int err; + const struct v4l2_queryctrl* ctrl; + + err = -EINVAL; + + ctrl = ctrl_by_id(ctl->id); + + if (NULL == ctrl) + return err; + + switch (ctrl->type) + { + case V4L2_CTRL_TYPE_BOOLEAN: + case V4L2_CTRL_TYPE_MENU: + case V4L2_CTRL_TYPE_INTEGER: + if (ctl->value < ctrl->minimum) + ctl->value = ctrl->minimum; + if (ctl->value > ctrl->maximum) + ctl->value = ctrl->maximum; + break; + default: + /* nothing */; + }; + + switch (ctl->id) + { + case V4L2_CID_BRIGHTNESS: + dev->ctl_bright = ctl->value; + medusa_set_brightness(dev, ctl->value, chan_num); + break; + case V4L2_CID_HUE: + dev->ctl_hue = ctl->value; + medusa_set_hue(dev, ctl->value, chan_num); + break; + case V4L2_CID_CONTRAST: + dev->ctl_contrast = ctl->value; + medusa_set_contrast(dev, ctl->value, chan_num); + break; + case V4L2_CID_SATURATION: + dev->ctl_saturation = ctl->value; + medusa_set_saturation(dev, ctl->value, chan_num); + break; + } + + err = 0; + + return err; +} + +static void init_controls(struct cx25821_dev *dev, int chan_num) +{ + struct v4l2_control ctrl; + int i; + for (i = 0; i < CX25821_CTLS; i++) { + ctrl.id = cx25821_ctls[i].id; + ctrl.value = cx25821_ctls[i].default_value; + + cx25821_set_control(dev, &ctrl, chan_num); + } +} + +int vidioc_cropcap(struct file *file, + void *priv, + struct v4l2_cropcap *cropcap) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + + if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + cropcap->bounds.top = cropcap->bounds.left = 0; + cropcap->bounds.width = 720; + cropcap->bounds.height = dev->tvnorm == V4L2_STD_PAL_BG ? 576 : 480; + cropcap->pixelaspect.numerator = dev->tvnorm == V4L2_STD_PAL_BG ? 59 : 10; + cropcap->pixelaspect.denominator = dev->tvnorm == V4L2_STD_PAL_BG ? 54 : 11; + cropcap->defrect = cropcap->bounds; + return 0; +} + +int vidioc_s_crop(struct file *file, + void *priv, + struct v4l2_crop *crop) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + struct cx25821_fh *fh = priv; + int err; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + // vidioc_s_crop not supported + return -EINVAL; +} + +int vidioc_g_crop(struct file *file, + void *priv, + struct v4l2_crop *crop) +{ + // vidioc_g_crop not supported + return -EINVAL; +} + +int vidioc_querystd(struct file *file, + void *priv, + v4l2_std_id *norm) +{ + // medusa does not support video standard sensing of current input + *norm = CX25821_NORMS; + + return 0; +} + +int is_valid_width(u32 width, v4l2_std_id tvnorm) +{ + if(tvnorm == V4L2_STD_PAL_BG) + { + if (width == 352 || width == 720) + return 1; + else + return 0; + } + + if(tvnorm == V4L2_STD_NTSC_M) + { + if (width == 320 || width == 352 || width == 720) + return 1; + else + return 0; + } + return 0; +} + +int is_valid_height(u32 height, v4l2_std_id tvnorm) +{ + if(tvnorm == V4L2_STD_PAL_BG) + { + if (height == 576 || height == 288) + return 1; + else + return 0; + } + + if(tvnorm == V4L2_STD_NTSC_M) + { + if (height == 480 || height == 240) + return 1; + else + return 0; + } + + return 0; +} + diff --git a/drivers/staging/cx25821/cx25821-video.h b/drivers/staging/cx25821/cx25821-video.h new file mode 100644 index 0000000..fa2ec78 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-video.h @@ -0,0 +1,172 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef CX25821_VIDEO_H_ +#define CX25821_VIDEO_H_ + + +#include <linux/init.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kmod.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/kthread.h> +#include <asm/div64.h> + +#include "cx25821.h" +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> + +#ifdef CONFIG_VIDEO_V4L1_COMPAT +/* Include V4L1 specific functions. Should be removed soon */ +#include <linux/videodev.h> +#endif + +#define TUNER_FLAG + +#define VIDEO_DEBUG 0 + +#define dprintk(level, fmt, arg...)\ + do { if (VIDEO_DEBUG >= level)\ + printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\ + } while (0) + + +//For IOCTL to identify running upstream +#define UPSTREAM_START_VIDEO 700 +#define UPSTREAM_STOP_VIDEO 701 +#define UPSTREAM_START_AUDIO 702 +#define UPSTREAM_STOP_AUDIO 703 +#define UPSTREAM_DUMP_REGISTERS 702 +#define SET_VIDEO_STD 800 +#define SET_PIXEL_FORMAT 1000 +#define ENABLE_CIF_RESOLUTION 1001 + +#define REG_READ 900 +#define REG_WRITE 901 +#define MEDUSA_READ 910 +#define MEDUSA_WRITE 911 + +extern struct sram_channel *channel0; +extern struct sram_channel *channel1; +extern struct sram_channel *channel2; +extern struct sram_channel *channel3; +extern struct sram_channel *channel4; +extern struct sram_channel *channel5; +extern struct sram_channel *channel6; +extern struct sram_channel *channel7; +extern struct sram_channel *channel9; +extern struct sram_channel *channel10; +extern struct sram_channel *channel11; +extern struct video_device cx25821_video_template0; +extern struct video_device cx25821_video_template1; +extern struct video_device cx25821_video_template2; +extern struct video_device cx25821_video_template3; +extern struct video_device cx25821_video_template4; +extern struct video_device cx25821_video_template5; +extern struct video_device cx25821_video_template6; +extern struct video_device cx25821_video_template7; +extern struct video_device cx25821_video_template9; +extern struct video_device cx25821_video_template10; +extern struct video_device cx25821_video_template11; +extern struct video_device cx25821_videoioctl_template; +//extern const u32 *ctrl_classes[]; + +extern unsigned int vid_limit; + +#define FORMAT_FLAGS_PACKED 0x01 +extern struct cx25821_fmt formats[]; +extern struct cx25821_fmt *format_by_fourcc(unsigned int fourcc); +extern struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM]; + +extern void dump_video_queue(struct cx25821_dev *dev, struct cx25821_dmaqueue *q); +extern void cx25821_video_wakeup(struct cx25821_dev *dev, struct cx25821_dmaqueue *q, u32 count); + +#ifdef TUNER_FLAG +extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm); +#endif + + +extern int res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bit); +extern int res_check(struct cx25821_fh *fh, unsigned int bit); +extern int res_locked(struct cx25821_dev *dev, unsigned int bit); +extern void res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bits); +extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input); +extern int cx25821_start_video_dma(struct cx25821_dev *dev, + struct cx25821_dmaqueue *q, + struct cx25821_buffer *buf, + struct sram_channel *channel); + +extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width, unsigned int height, enum v4l2_field field); +extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status); +extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num); +extern int cx25821_video_register(struct cx25821_dev *dev, int chan_num, struct video_device *video_template); +extern int get_format_size(void); + +extern int buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size); +extern int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, enum v4l2_field field); +extern void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb); +extern struct videobuf_queue *get_queue(struct cx25821_fh *fh); +extern int get_resource(struct cx25821_fh *fh, int resource); +extern int video_mmap(struct file *file, struct vm_area_struct *vma); +extern int vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f); +extern int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap); +extern int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f); +extern int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf); +extern int vidioc_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *p); +extern int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p); +extern int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p); +extern int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms); +extern int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i); +extern int vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *i); +extern int vidioc_g_input(struct file *file, void *priv, unsigned int *i); +extern int vidioc_s_input(struct file *file, void *priv, unsigned int i); +extern int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctl); +extern int vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f); +extern int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f); +extern int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f); +extern int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f); +extern int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg); +extern int vidioc_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg); +extern int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t); +extern int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t); + +extern int is_valid_width(u32 width, v4l2_std_id tvnorm); +extern int is_valid_height(u32 height, v4l2_std_id tvnorm); + +extern int vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p); +extern int vidioc_s_priority(struct file *file, void *f, enum v4l2_priority prio); + +extern int vidioc_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *qctrl); +extern int cx25821_set_control(struct cx25821_dev *dev, struct v4l2_control *ctrl, int chan_num); + +extern int vidioc_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cropcap); +extern int vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop); +extern int vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop); + +extern int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm); +#endif diff --git a/drivers/staging/cx25821/cx25821-video0.c b/drivers/staging/cx25821/cx25821-video0.c new file mode 100644 index 0000000..9dbd740 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-video0.c @@ -0,0 +1,457 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx25821-video.h" + + +static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + struct cx25821_buffer *prev; + struct cx25821_fh *fh = vq->priv_data; + struct cx25821_dev *dev = fh->dev; + struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH00]; + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); + + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue, &q->active); + cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH00]); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n", + buf, buf->vb. i, buf->count, q->count); + } else { + prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + + /* 64 bit bits 63-32 */ + prev->risc.jmp[2] = cpu_to_le32(0); + dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n", buf, buf->vb.i, buf->count); + + } else { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i); + } + } + + if (list_empty(&q->active)) + { + dprintk(2, "active queue empty!\n"); + } +} + + +static struct videobuf_queue_ops cx25821_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + + +static int video_open(struct file *file) +{ + int minor = video_devdata(file)->minor; + struct cx25821_dev *h, *dev = NULL; + struct cx25821_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = 0; + u32 pix_format; + + lock_kernel(); + list_for_each(list, &cx25821_devlist) + { + h = list_entry(list, struct cx25821_dev, devlist); + + if (h->video_dev[SRAM_CH00] && h->video_dev[SRAM_CH00]->minor == minor) + { + dev = h; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + } + + if (NULL == dev) { + unlock_kernel(); + return -ENODEV; + } + + printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) { + unlock_kernel(); + return -ENOMEM; + } + + file->private_data = fh; + fh->dev = dev; + fh->type = type; + fh->width = 720; + + if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) + fh->height = 576; + else + fh->height = 480; + + dev->channel_opened = SRAM_CH00; + pix_format = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV; + fh->fmt = format_by_fourcc(pix_format); + + v4l2_prio_open(&dev->prio,&fh->prio); + + videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx25821_buffer), + fh); + + dprintk(1, "post videobuf_queue_init()\n"); + unlock_kernel(); + + return 0; +} + +static ssize_t video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) +{ + struct cx25821_fh *fh = file->private_data; + + switch (fh->type) + { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev, RESOURCE_VIDEO0)) + return -EBUSY; + + return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK); + + default: + BUG(); + return 0; + } +} + +static unsigned int video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_buffer *buf; + + if (res_check(fh, RESOURCE_VIDEO0)) { + /* streaming capture */ + if (list_empty(&fh->vidq.stream)) + return POLLERR; + buf = list_entry(fh->vidq.stream.next, + struct cx25821_buffer, vb.stream); + } else { + /* read() capture */ + buf = (struct cx25821_buffer *)fh->vidq.read_buf; + if (NULL == buf) + return POLLERR; + } + + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) + { + if( buf->vb.state == VIDEOBUF_DONE ) + { + struct cx25821_dev *dev = fh->dev; + + if( dev && dev->use_cif_resolution[SRAM_CH00] ) + { + u8 cam_id = *((char*)buf->vb.baddr+3); + memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2)); + *((char*)buf->vb.baddr+3) = cam_id; + } + } + + return POLLIN|POLLRDNORM; + } + + return 0; +} + + +static int video_release(struct file *file) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + + //stop the risc engine and fifo + cx_write(channel0->dma_ctl, 0); /* FIFO and RISC disable */ + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO0)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev, fh, RESOURCE_VIDEO0); + } + + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq, fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + videobuf_mmap_free(&fh->vidq); + + v4l2_prio_close(&dev->prio,&fh->prio); + file->private_data = NULL; + kfree(fh); + + return 0; +} + + +static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + + if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) + { + return -EINVAL; + } + + if (unlikely(i != fh->type)) + { + return -EINVAL; + } + + if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO0)))) + { + return -EBUSY; + } + + return videobuf_streamon(get_queue(fh)); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + int err, res; + + if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (i != fh->type) + return -EINVAL; + + res = get_resource(fh, RESOURCE_VIDEO0); + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev, fh, res); + return 0; +} + + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + int pix_format = PIXEL_FRMT_422; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + dprintk(2, "%s()\n", __func__); + err = vidioc_try_fmt_vid_cap(file, priv, f); + + if (0 != err) + return err; + + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->vidq.field = f->fmt.pix.field; + + // check if width and height is valid based on set standard + if (is_valid_width(f->fmt.pix.width, dev->tvnorm)) + { + fh->width = f->fmt.pix.width; + } + + if (is_valid_height(f->fmt.pix.height, dev->tvnorm)) + { + fh->height = f->fmt.pix.height; + } + + if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P) + pix_format = PIXEL_FRMT_411; + else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) + pix_format = PIXEL_FRMT_422; + else + return -EINVAL; + + cx25821_set_pixel_format( dev, SRAM_CH00, pix_format ); + + // check if cif resolution + if (fh->width == 320 || fh->width == 352) + { + dev->use_cif_resolution[SRAM_CH00] = 1; + }else + { + dev->use_cif_resolution[SRAM_CH00] = 0; + } + dev->cif_width[SRAM_CH00] = fh->width; + medusa_set_resolution( dev, fh->width, SRAM_CH00 ); + + dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field); + cx25821_call_all(dev, video, s_fmt, f); + + return 0; +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + int ret_val = 0; + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + + ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); + + p->sequence = dev->vidq[SRAM_CH00].count; + + return ret_val; +} + +static int vidioc_log_status (struct file *file, void *priv) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + char name[32 + 2]; + + struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH00]; + u32 tmp = 0; + + snprintf(name, sizeof(name), "%s/2", dev->name); + printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", + dev->name); + cx25821_call_all(dev, core, log_status); + tmp = cx_read(sram_ch->dma_ctl); + printk(KERN_INFO "Video input 0 is %s\n", (tmp & 0x11)?"streaming" : "stopped"); + printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", + dev->name); + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + if (fh) { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + return cx25821_set_control(dev, ctl, SRAM_CH00); +} + +// exported stuff +static const struct v4l2_file_operations video_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, +#ifdef TUNER_FLAG + .vidioc_s_std = vidioc_s_std, + .vidioc_querystd = vidioc_querystd, +#endif + .vidioc_cropcap = vidioc_cropcap, + .vidioc_s_crop = vidioc_s_crop, + .vidioc_g_crop = vidioc_g_crop, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_log_status = vidioc_log_status, + .vidioc_g_priority = vidioc_g_priority, + .vidioc_s_priority = vidioc_s_priority, +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif +#ifdef TUNER_FLAG + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#endif +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +struct video_device cx25821_video_template0 = { + .name = "cx25821-video", + .fops = &video_fops, + .minor = -1, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX25821_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + + + diff --git a/drivers/staging/cx25821/cx25821-video1.c b/drivers/staging/cx25821/cx25821-video1.c new file mode 100644 index 0000000..44db119 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-video1.c @@ -0,0 +1,456 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx25821-video.h" + + +static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + struct cx25821_buffer *prev; + struct cx25821_fh *fh = vq->priv_data; + struct cx25821_dev *dev = fh->dev; + struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH01]; + + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); + + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue, &q->active); + cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH01]); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n", + buf, buf->vb. i, buf->count, q->count); + } else { + prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + + /* 64 bit bits 63-32 */ + prev->risc.jmp[2] = cpu_to_le32(0); + dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n", buf, buf->vb.i, buf->count); + + } else { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i); + } + } + + if (list_empty(&q->active)) + { + dprintk(2, "active queue empty!\n"); + } +} + + +static struct videobuf_queue_ops cx25821_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + + +static int video_open(struct file *file) +{ + int minor = video_devdata(file)->minor; + struct cx25821_dev *h, *dev = NULL; + struct cx25821_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = 0; + u32 pix_format; + + lock_kernel(); + list_for_each(list, &cx25821_devlist) + { + h = list_entry(list, struct cx25821_dev, devlist); + + if (h->video_dev[SRAM_CH01] && h->video_dev[SRAM_CH01]->minor == minor) { + dev = h; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + } + + if (NULL == dev) { + unlock_kernel(); + return -ENODEV; + } + + printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) { + unlock_kernel(); + return -ENOMEM; + } + + file->private_data = fh; + fh->dev = dev; + fh->type = type; + fh->width = 720; + + if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) + fh->height = 576; + else + fh->height = 480; + + dev->channel_opened = SRAM_CH01; + pix_format = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV; + fh->fmt = format_by_fourcc(pix_format); + + v4l2_prio_open(&dev->prio,&fh->prio); + + videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx25821_buffer), + fh); + + dprintk(1, "post videobuf_queue_init()\n"); + unlock_kernel(); + + return 0; +} + +static ssize_t video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) +{ + struct cx25821_fh *fh = file->private_data; + + switch (fh->type) + { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev, RESOURCE_VIDEO1)) + return -EBUSY; + + return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK); + + default: + BUG(); + return 0; + } +} + +static unsigned int video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_buffer *buf; + + if (res_check(fh, RESOURCE_VIDEO1)) { + /* streaming capture */ + if (list_empty(&fh->vidq.stream)) + return POLLERR; + buf = list_entry(fh->vidq.stream.next, + struct cx25821_buffer, vb.stream); + } else { + /* read() capture */ + buf = (struct cx25821_buffer *)fh->vidq.read_buf; + if (NULL == buf) + return POLLERR; + } + + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) + { + if( buf->vb.state == VIDEOBUF_DONE ) + { + struct cx25821_dev *dev = fh->dev; + + if( dev && dev->use_cif_resolution[SRAM_CH01] ) + { + u8 cam_id = *((char*)buf->vb.baddr+3); + memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2)); + *((char*)buf->vb.baddr+3) = cam_id; + } + } + + return POLLIN|POLLRDNORM; + } + + return 0; +} + +static int video_release(struct file *file) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + + //stop the risc engine and fifo + cx_write(channel1->dma_ctl, 0); /* FIFO and RISC disable */ + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO1)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev, fh, RESOURCE_VIDEO1); + } + + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq, fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + videobuf_mmap_free(&fh->vidq); + + v4l2_prio_close(&dev->prio,&fh->prio); + file->private_data = NULL; + kfree(fh); + + return 0; +} + + +static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + + if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) + { + return -EINVAL; + } + + if (unlikely(i != fh->type)) + { + return -EINVAL; + } + + if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO1)))) + { + return -EBUSY; + } + + return videobuf_streamon(get_queue(fh)); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + int err, res; + + if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (i != fh->type) + return -EINVAL; + + res = get_resource(fh, RESOURCE_VIDEO1); + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev, fh, res); + return 0; +} + + + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + int pix_format = 0; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + dprintk(2, "%s()\n", __func__); + err = vidioc_try_fmt_vid_cap(file, priv, f); + + if (0 != err) + return err; + + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->vidq.field = f->fmt.pix.field; + + // check if width and height is valid based on set standard + if (is_valid_width(f->fmt.pix.width, dev->tvnorm)) + { + fh->width = f->fmt.pix.width; + } + + if (is_valid_height(f->fmt.pix.height, dev->tvnorm)) + { + fh->height = f->fmt.pix.height; + } + + if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P) + pix_format = PIXEL_FRMT_411; + else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) + pix_format = PIXEL_FRMT_422; + else + return -EINVAL; + + cx25821_set_pixel_format( dev, SRAM_CH01, pix_format ); + + // check if cif resolution + if (fh->width == 320 || fh->width == 352) + { + dev->use_cif_resolution[SRAM_CH01] = 1; + }else + { + dev->use_cif_resolution[SRAM_CH01] = 0; + } + dev->cif_width[SRAM_CH01] = fh->width; + medusa_set_resolution( dev, fh->width, SRAM_CH01 ); + + dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field); + cx25821_call_all(dev, video, s_fmt, f); + + return 0; +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + int ret_val = 0; + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + + ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); + + p->sequence = dev->vidq[SRAM_CH01].count; + + return ret_val; +} + +static int vidioc_log_status (struct file *file, void *priv) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + char name[32 + 2]; + + struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH01]; + u32 tmp = 0; + + snprintf(name, sizeof(name), "%s/2", dev->name); + printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", + dev->name); + cx25821_call_all(dev, core, log_status); + tmp = cx_read(sram_ch->dma_ctl); + printk(KERN_INFO "Video input 1 is %s\n", (tmp & 0x11)?"streaming" : "stopped"); + printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", + dev->name); + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + if (fh) { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + return cx25821_set_control(dev, ctl, SRAM_CH01); +} +//exported stuff +static const struct v4l2_file_operations video_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, +#ifdef TUNER_FLAG + .vidioc_s_std = vidioc_s_std, + .vidioc_querystd = vidioc_querystd, +#endif + .vidioc_cropcap = vidioc_cropcap, + .vidioc_s_crop = vidioc_s_crop, + .vidioc_g_crop = vidioc_g_crop, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_log_status = vidioc_log_status, + .vidioc_g_priority = vidioc_g_priority, + .vidioc_s_priority = vidioc_s_priority, +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif +#ifdef TUNER_FLAG + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#endif +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +struct video_device cx25821_video_template1 = { + .name = "cx25821-video", + .fops = &video_fops, + .minor = -1, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX25821_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + + + diff --git a/drivers/staging/cx25821/cx25821-video2.c b/drivers/staging/cx25821/cx25821-video2.c new file mode 100644 index 0000000..98db148 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-video2.c @@ -0,0 +1,459 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx25821-video.h" + + +static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + struct cx25821_buffer *prev; + struct cx25821_fh *fh = vq->priv_data; + struct cx25821_dev *dev = fh->dev; + struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH02]; + + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); + + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue, &q->active); + cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH02]); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n", + buf, buf->vb. i, buf->count, q->count); + } else { + prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + + /* 64 bit bits 63-32 */ + prev->risc.jmp[2] = cpu_to_le32(0); + dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n", buf, buf->vb.i, buf->count); + + } else { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i); + } + } + + if (list_empty(&q->active)) + { + dprintk(2, "active queue empty!\n"); + } +} + + +static struct videobuf_queue_ops cx25821_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + + +static int video_open(struct file *file) +{ + int minor = video_devdata(file)->minor; + struct cx25821_dev *h, *dev = NULL; + struct cx25821_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = 0; + u32 pix_format; + + lock_kernel(); + list_for_each(list, &cx25821_devlist) + { + h = list_entry(list, struct cx25821_dev, devlist); + + if (h->video_dev[SRAM_CH02] && h->video_dev[SRAM_CH02]->minor == minor) { + dev = h; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + } + + if (NULL == dev) { + unlock_kernel(); + return -ENODEV; + } + + printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) { + unlock_kernel(); + return -ENOMEM; + } + file->private_data = fh; + fh->dev = dev; + fh->type = type; + fh->width = 720; + + if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) + fh->height = 576; + else + fh->height = 480; + + dev->channel_opened = SRAM_CH02; + pix_format = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV; + fh->fmt = format_by_fourcc(pix_format); + + v4l2_prio_open(&dev->prio,&fh->prio); + + videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx25821_buffer), + fh); + + dprintk(1, "post videobuf_queue_init()\n"); + unlock_kernel(); + + return 0; +} + +static ssize_t video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) +{ + struct cx25821_fh *fh = file->private_data; + + switch (fh->type) + { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev, RESOURCE_VIDEO2)) + return -EBUSY; + + return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK); + + default: + BUG(); + return 0; + } +} + +static unsigned int video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_buffer *buf; + + if (res_check(fh, RESOURCE_VIDEO2)) { + /* streaming capture */ + if (list_empty(&fh->vidq.stream)) + return POLLERR; + buf = list_entry(fh->vidq.stream.next, + struct cx25821_buffer, vb.stream); + } else { + /* read() capture */ + buf = (struct cx25821_buffer *)fh->vidq.read_buf; + if (NULL == buf) + return POLLERR; + } + + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) + { + if( buf->vb.state == VIDEOBUF_DONE ) + { + struct cx25821_dev *dev = fh->dev; + + if( dev && dev->use_cif_resolution[SRAM_CH02] ) + { + u8 cam_id = *((char*)buf->vb.baddr+3); + memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2)); + *((char*)buf->vb.baddr+3) = cam_id; + } + } + + return POLLIN|POLLRDNORM; + } + + return 0; +} + + +static int video_release(struct file *file) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + + //stop the risc engine and fifo + cx_write(channel2->dma_ctl, 0); /* FIFO and RISC disable */ + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO2)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev, fh, RESOURCE_VIDEO2); + } + + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq, fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + videobuf_mmap_free(&fh->vidq); + + v4l2_prio_close(&dev->prio,&fh->prio); + file->private_data = NULL; + kfree(fh); + + return 0; +} + + +static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + + if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) + { + return -EINVAL; + } + + if (unlikely(i != fh->type)) + { + return -EINVAL; + } + + if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO2)))) + { + return -EBUSY; + } + + return videobuf_streamon(get_queue(fh)); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + int err, res; + + if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (i != fh->type) + return -EINVAL; + + res = get_resource(fh, RESOURCE_VIDEO2); + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev, fh, res); + return 0; +} + + + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + int pix_format = 0; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + dprintk(2, "%s()\n", __func__); + err = vidioc_try_fmt_vid_cap(file, priv, f); + + if (0 != err) + return err; + + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->vidq.field = f->fmt.pix.field; + + // check if width and height is valid based on set standard + if (is_valid_width(f->fmt.pix.width, dev->tvnorm)) + { + fh->width = f->fmt.pix.width; + } + + if (is_valid_height(f->fmt.pix.height, dev->tvnorm)) + { + fh->height = f->fmt.pix.height; + } + + if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P) + pix_format = PIXEL_FRMT_411; + else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) + pix_format = PIXEL_FRMT_422; + else + return -EINVAL; + + cx25821_set_pixel_format( dev, SRAM_CH02, pix_format ); + + // check if cif resolution + if (fh->width == 320 || fh->width == 352) + { + dev->use_cif_resolution[SRAM_CH02] = 1; + }else + { + dev->use_cif_resolution[SRAM_CH02] = 0; + } + dev->cif_width[SRAM_CH02] = fh->width; + medusa_set_resolution( dev, fh->width, SRAM_CH02 ); + + + dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field); + cx25821_call_all(dev, video, s_fmt, f); + + return 0; +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + int ret_val = 0; + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + + ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); + + p->sequence = dev->vidq[SRAM_CH02].count; + + return ret_val; +} + +static int vidioc_log_status (struct file *file, void *priv) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + char name[32 + 2]; + + struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH02]; + u32 tmp = 0; + + snprintf(name, sizeof(name), "%s/2", dev->name); + printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", + dev->name); + + cx25821_call_all(dev, core, log_status); + + tmp = cx_read(sram_ch->dma_ctl); + printk(KERN_INFO "Video input 2 is %s\n", (tmp & 0x11)?"streaming" : "stopped"); + printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", + dev->name); + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + if (fh) { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + return cx25821_set_control(dev, ctl, SRAM_CH02); +} +// exported stuff +static const struct v4l2_file_operations video_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, +#ifdef TUNER_FLAG + .vidioc_s_std = vidioc_s_std, + .vidioc_querystd = vidioc_querystd, +#endif + .vidioc_cropcap = vidioc_cropcap, + .vidioc_s_crop = vidioc_s_crop, + .vidioc_g_crop = vidioc_g_crop, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_log_status = vidioc_log_status, + .vidioc_g_priority = vidioc_g_priority, + .vidioc_s_priority = vidioc_s_priority, +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif +#ifdef TUNER_FLAG + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#endif +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +struct video_device cx25821_video_template2 = { + .name = "cx25821-video", + .fops = &video_fops, + .minor = -1, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX25821_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + + + diff --git a/drivers/staging/cx25821/cx25821-video3.c b/drivers/staging/cx25821/cx25821-video3.c new file mode 100644 index 0000000..3dcecd2 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-video3.c @@ -0,0 +1,458 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx25821-video.h" + + +static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + struct cx25821_buffer *prev; + struct cx25821_fh *fh = vq->priv_data; + struct cx25821_dev *dev = fh->dev; + struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH03]; + + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); + + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue, &q->active); + cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH03]); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n", + buf, buf->vb. i, buf->count, q->count); + } else { + prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + + /* 64 bit bits 63-32 */ + prev->risc.jmp[2] = cpu_to_le32(0); + dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n", buf, buf->vb.i, buf->count); + + } else { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i); + } + } + + if (list_empty(&q->active)) + { + dprintk(2, "active queue empty!\n"); + } +} + + +static struct videobuf_queue_ops cx25821_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + + +static int video_open(struct file *file) +{ + int minor = video_devdata(file)->minor; + struct cx25821_dev *h, *dev = NULL; + struct cx25821_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = 0; + u32 pix_format; + + lock_kernel(); + list_for_each(list, &cx25821_devlist) + { + h = list_entry(list, struct cx25821_dev, devlist); + + if (h->video_dev[SRAM_CH03] && h->video_dev[SRAM_CH03]->minor == minor) { + dev = h; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + } + + if (NULL == dev) { + unlock_kernel(); + return -ENODEV; + } + + printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) { + unlock_kernel(); + return -ENOMEM; + } + file->private_data = fh; + fh->dev = dev; + fh->type = type; + fh->width = 720; + + if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) + fh->height = 576; + else + fh->height = 480; + + dev->channel_opened = SRAM_CH03; + pix_format = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV; + fh->fmt = format_by_fourcc(pix_format); + + v4l2_prio_open(&dev->prio,&fh->prio); + + videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx25821_buffer), + fh); + + dprintk(1, "post videobuf_queue_init()\n"); + unlock_kernel(); + + return 0; +} + +static ssize_t video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) +{ + struct cx25821_fh *fh = file->private_data; + + switch (fh->type) + { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev, RESOURCE_VIDEO3)) + return -EBUSY; + + return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK); + + default: + BUG(); + return 0; + } +} + +static unsigned int video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_buffer *buf; + + if (res_check(fh, RESOURCE_VIDEO3)) { + /* streaming capture */ + if (list_empty(&fh->vidq.stream)) + return POLLERR; + buf = list_entry(fh->vidq.stream.next, + struct cx25821_buffer, vb.stream); + } else { + /* read() capture */ + buf = (struct cx25821_buffer *)fh->vidq.read_buf; + if (NULL == buf) + return POLLERR; + } + + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) + { + if( buf->vb.state == VIDEOBUF_DONE ) + { + struct cx25821_dev *dev = fh->dev; + + if( dev && dev->use_cif_resolution[SRAM_CH03] ) + { + u8 cam_id = *((char*)buf->vb.baddr+3); + memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2)); + *((char*)buf->vb.baddr+3) = cam_id; + } + } + + return POLLIN|POLLRDNORM; + } + + return 0; +} + + +static int video_release(struct file *file) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + + //stop the risc engine and fifo + cx_write(channel3->dma_ctl, 0); /* FIFO and RISC disable */ + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO3)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev, fh, RESOURCE_VIDEO3); + } + + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq, fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + videobuf_mmap_free(&fh->vidq); + + v4l2_prio_close(&dev->prio,&fh->prio); + file->private_data = NULL; + kfree(fh); + + return 0; +} + + +static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + + if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) + { + return -EINVAL; + } + + if (unlikely(i != fh->type)) + { + return -EINVAL; + } + + if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO3)))) + { + return -EBUSY; + } + + return videobuf_streamon(get_queue(fh)); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + int err, res; + + if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (i != fh->type) + return -EINVAL; + + res = get_resource(fh, RESOURCE_VIDEO3); + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev, fh, res); + return 0; +} + + + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + int pix_format = 0; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + dprintk(2, "%s()\n", __func__); + err = vidioc_try_fmt_vid_cap(file, priv, f); + + if (0 != err) + return err; + + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->vidq.field = f->fmt.pix.field; + + // check if width and height is valid based on set standard + if (is_valid_width(f->fmt.pix.width, dev->tvnorm)) + { + fh->width = f->fmt.pix.width; + } + + if (is_valid_height(f->fmt.pix.height, dev->tvnorm)) + { + fh->height = f->fmt.pix.height; + } + + if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P) + pix_format = PIXEL_FRMT_411; + else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) + pix_format = PIXEL_FRMT_422; + else + return -EINVAL; + + cx25821_set_pixel_format( dev, SRAM_CH03, pix_format ); + + // check if cif resolution + if (fh->width == 320 || fh->width == 352) + { + dev->use_cif_resolution[SRAM_CH03] = 1; + }else + { + dev->use_cif_resolution[SRAM_CH03] = 0; + } + dev->cif_width[SRAM_CH03] = fh->width; + medusa_set_resolution( dev, fh->width, SRAM_CH03 ); + + dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field); + cx25821_call_all(dev, video, s_fmt, f); + + return 0; +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + int ret_val = 0; + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + + ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); + + p->sequence = dev->vidq[SRAM_CH03].count; + + return ret_val; +} + +static int vidioc_log_status (struct file *file, void *priv) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + char name[32 + 2]; + + struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH03]; + u32 tmp = 0; + + snprintf(name, sizeof(name), "%s/2", dev->name); + printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", + dev->name); + cx25821_call_all(dev, core, log_status); + + tmp = cx_read(sram_ch->dma_ctl); + printk(KERN_INFO "Video input 3 is %s\n", (tmp & 0x11)?"streaming" : "stopped"); + printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", + dev->name); + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + if (fh) { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + return cx25821_set_control(dev, ctl, SRAM_CH03); +} + +// exported stuff +static const struct v4l2_file_operations video_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, +#ifdef TUNER_FLAG + .vidioc_s_std = vidioc_s_std, + .vidioc_querystd = vidioc_querystd, +#endif + .vidioc_cropcap = vidioc_cropcap, + .vidioc_s_crop = vidioc_s_crop, + .vidioc_g_crop = vidioc_g_crop, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_log_status = vidioc_log_status, + .vidioc_g_priority = vidioc_g_priority, + .vidioc_s_priority = vidioc_s_priority, +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif +#ifdef TUNER_FLAG + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#endif +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +struct video_device cx25821_video_template3 = { + .name = "cx25821-video", + .fops = &video_fops, + .minor = -1, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX25821_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + + + diff --git a/drivers/staging/cx25821/cx25821-video4.c b/drivers/staging/cx25821/cx25821-video4.c new file mode 100644 index 0000000..03da3642 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-video4.c @@ -0,0 +1,456 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx25821-video.h" + + +static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + struct cx25821_buffer *prev; + struct cx25821_fh *fh = vq->priv_data; + struct cx25821_dev *dev = fh->dev; + struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH04]; + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); + + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue, &q->active); + cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH04]); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n", + buf, buf->vb. i, buf->count, q->count); + } else { + prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + + /* 64 bit bits 63-32 */ + prev->risc.jmp[2] = cpu_to_le32(0); + dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n", buf, buf->vb.i, buf->count); + + } else { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i); + } + } + + if (list_empty(&q->active)) + { + dprintk(2, "active queue empty!\n"); + } +} + + +static struct videobuf_queue_ops cx25821_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + + +static int video_open(struct file *file) +{ + int minor = video_devdata(file)->minor; + struct cx25821_dev *h, *dev = NULL; + struct cx25821_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = 0; + u32 pix_format; + + lock_kernel(); + list_for_each(list, &cx25821_devlist) + { + h = list_entry(list, struct cx25821_dev, devlist); + + if (h->video_dev[SRAM_CH04] && h->video_dev[SRAM_CH04]->minor == minor) { + dev = h; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + } + + if (NULL == dev) { + unlock_kernel(); + return -ENODEV; + } + + printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) { + unlock_kernel(); + return -ENOMEM; + } + file->private_data = fh; + fh->dev = dev; + fh->type = type; + fh->width = 720; + + if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) + fh->height = 576; + else + fh->height = 480; + + dev->channel_opened = SRAM_CH04; + pix_format = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV; + fh->fmt = format_by_fourcc(pix_format); + + v4l2_prio_open(&dev->prio,&fh->prio); + videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx25821_buffer), + fh); + + dprintk(1, "post videobuf_queue_init()\n"); + unlock_kernel(); + + return 0; +} + +static ssize_t video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) +{ + struct cx25821_fh *fh = file->private_data; + + switch (fh->type) + { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev, RESOURCE_VIDEO4)) + return -EBUSY; + + return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK); + + default: + BUG(); + return 0; + } +} + +static unsigned int video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_buffer *buf; + + if (res_check(fh, RESOURCE_VIDEO4)) { + /* streaming capture */ + if (list_empty(&fh->vidq.stream)) + return POLLERR; + buf = list_entry(fh->vidq.stream.next, + struct cx25821_buffer, vb.stream); + } else { + /* read() capture */ + buf = (struct cx25821_buffer *)fh->vidq.read_buf; + if (NULL == buf) + return POLLERR; + } + + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) + { + if( buf->vb.state == VIDEOBUF_DONE ) + { + struct cx25821_dev *dev = fh->dev; + + if( dev && dev->use_cif_resolution[SRAM_CH04] ) + { + u8 cam_id = *((char*)buf->vb.baddr+3); + memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2)); + *((char*)buf->vb.baddr+3) = cam_id; + } + } + + return POLLIN|POLLRDNORM; + } + + return 0; +} + + +static int video_release(struct file *file) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + + //stop the risc engine and fifo + cx_write(channel4->dma_ctl, 0); /* FIFO and RISC disable */ + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO4)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev, fh, RESOURCE_VIDEO4); + } + + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq, fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + videobuf_mmap_free(&fh->vidq); + + v4l2_prio_close(&dev->prio,&fh->prio); + file->private_data = NULL; + kfree(fh); + + return 0; +} + + +static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + + if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) + { + return -EINVAL; + } + + if (unlikely(i != fh->type)) + { + return -EINVAL; + } + + if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO4)))) + { + return -EBUSY; + } + + return videobuf_streamon(get_queue(fh)); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + int err, res; + + if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (i != fh->type) + return -EINVAL; + + res = get_resource(fh, RESOURCE_VIDEO4); + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev, fh, res); + return 0; +} + + + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + int pix_format = 0; + + // check priority + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + dprintk(2, "%s()\n", __func__); + err = vidioc_try_fmt_vid_cap(file, priv, f); + + if (0 != err) + return err; + + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->vidq.field = f->fmt.pix.field; + + // check if width and height is valid based on set standard + if (is_valid_width(f->fmt.pix.width, dev->tvnorm)) + { + fh->width = f->fmt.pix.width; + } + + if (is_valid_height(f->fmt.pix.height, dev->tvnorm)) + { + fh->height = f->fmt.pix.height; + } + + if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P) + pix_format = PIXEL_FRMT_411; + else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) + pix_format = PIXEL_FRMT_422; + else + return -EINVAL; + + cx25821_set_pixel_format( dev, SRAM_CH04, pix_format ); + + // check if cif resolution + if (fh->width == 320 || fh->width == 352) + { + dev->use_cif_resolution[SRAM_CH04] = 1; + }else + { + dev->use_cif_resolution[SRAM_CH04] = 0; + } + dev->cif_width[SRAM_CH04] = fh->width; + medusa_set_resolution( dev, fh->width, SRAM_CH04); + + dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field); + cx25821_call_all(dev, video, s_fmt, f); + + return 0; +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + int ret_val = 0; + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + + ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); + + p->sequence = dev->vidq[SRAM_CH04].count; + + return ret_val; +} + +static int vidioc_log_status (struct file *file, void *priv) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + char name[32 + 2]; + + struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH04]; + u32 tmp = 0; + + snprintf(name, sizeof(name), "%s/2", dev->name); + printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", + dev->name); + cx25821_call_all(dev, core, log_status); + + tmp = cx_read(sram_ch->dma_ctl); + printk(KERN_INFO "Video input 4 is %s\n", (tmp & 0x11)?"streaming" : "stopped"); + printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", + dev->name); + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + if (fh) { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + return cx25821_set_control(dev, ctl, SRAM_CH04); +} + +// exported stuff +static const struct v4l2_file_operations video_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, +#ifdef TUNER_FLAG + .vidioc_s_std = vidioc_s_std, + .vidioc_querystd = vidioc_querystd, +#endif + .vidioc_cropcap = vidioc_cropcap, + .vidioc_s_crop = vidioc_s_crop, + .vidioc_g_crop = vidioc_g_crop, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_log_status = vidioc_log_status, + .vidioc_g_priority = vidioc_g_priority, + .vidioc_s_priority = vidioc_s_priority, +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif +#ifdef TUNER_FLAG + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#endif +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +struct video_device cx25821_video_template4 = { + .name = "cx25821-video", + .fops = &video_fops, + .minor = -1, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX25821_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + + + diff --git a/drivers/staging/cx25821/cx25821-video5.c b/drivers/staging/cx25821/cx25821-video5.c new file mode 100644 index 0000000..1d47543 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-video5.c @@ -0,0 +1,455 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx25821-video.h" + + +static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + struct cx25821_buffer *prev; + struct cx25821_fh *fh = vq->priv_data; + struct cx25821_dev *dev = fh->dev; + struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH05]; + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); + + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue, &q->active); + cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH05]); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n", + buf, buf->vb. i, buf->count, q->count); + } else { + prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + + /* 64 bit bits 63-32 */ + prev->risc.jmp[2] = cpu_to_le32(0); + dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n", buf, buf->vb.i, buf->count); + + } else { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i); + } + } + + if (list_empty(&q->active)) + { + dprintk(2, "active queue empty!\n"); + } +} + + +static struct videobuf_queue_ops cx25821_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + + +static int video_open(struct file *file) +{ + int minor = video_devdata(file)->minor; + struct cx25821_dev *h, *dev = NULL; + struct cx25821_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = 0; + u32 pix_format; + + lock_kernel(); + list_for_each(list, &cx25821_devlist) + { + h = list_entry(list, struct cx25821_dev, devlist); + + if (h->video_dev[SRAM_CH05] && h->video_dev[SRAM_CH05]->minor == minor) { + dev = h; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + } + + if (NULL == dev) { + unlock_kernel(); + return -ENODEV; + } + + printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) { + unlock_kernel(); + return -ENOMEM; + } + file->private_data = fh; + fh->dev = dev; + fh->type = type; + fh->width = 720; + + if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) + fh->height = 576; + else + fh->height = 480; + + dev->channel_opened = SRAM_CH05; + pix_format = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV; + fh->fmt = format_by_fourcc(pix_format); + + v4l2_prio_open(&dev->prio,&fh->prio); + + videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx25821_buffer), + fh); + + dprintk(1, "post videobuf_queue_init()\n"); + unlock_kernel(); + + return 0; +} + +static ssize_t video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) +{ + struct cx25821_fh *fh = file->private_data; + + switch (fh->type) + { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev, RESOURCE_VIDEO5)) + return -EBUSY; + + return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK); + + default: + BUG(); + return 0; + } +} + +static unsigned int video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_buffer *buf; + + if (res_check(fh, RESOURCE_VIDEO5)) { + /* streaming capture */ + if (list_empty(&fh->vidq.stream)) + return POLLERR; + buf = list_entry(fh->vidq.stream.next, + struct cx25821_buffer, vb.stream); + } else { + /* read() capture */ + buf = (struct cx25821_buffer *)fh->vidq.read_buf; + if (NULL == buf) + return POLLERR; + } + + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) + { + if( buf->vb.state == VIDEOBUF_DONE ) + { + struct cx25821_dev *dev = fh->dev; + + if( dev && dev->use_cif_resolution[SRAM_CH05] ) + { + u8 cam_id = *((char*)buf->vb.baddr+3); + memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2)); + *((char*)buf->vb.baddr+3) = cam_id; + } + } + + return POLLIN|POLLRDNORM; + } + + return 0; +} + + +static int video_release(struct file *file) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + + //stop the risc engine and fifo + cx_write(channel5->dma_ctl, 0); /* FIFO and RISC disable */ + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO5)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev, fh, RESOURCE_VIDEO5); + } + + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq, fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + videobuf_mmap_free(&fh->vidq); + + v4l2_prio_close(&dev->prio,&fh->prio); + file->private_data = NULL; + kfree(fh); + + return 0; +} + + +static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + + if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) + { + return -EINVAL; + } + + if (unlikely(i != fh->type)) + { + return -EINVAL; + } + + if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO5)))) + { + return -EBUSY; + } + + return videobuf_streamon(get_queue(fh)); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + int err, res; + + if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (i != fh->type) + return -EINVAL; + + res = get_resource(fh, RESOURCE_VIDEO5); + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev, fh, res); + return 0; +} + + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + int pix_format = 0; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + dprintk(2, "%s()\n", __func__); + err = vidioc_try_fmt_vid_cap(file, priv, f); + + if (0 != err) + return err; + + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->vidq.field = f->fmt.pix.field; + + // check if width and height is valid based on set standard + if (is_valid_width(f->fmt.pix.width, dev->tvnorm)) + { + fh->width = f->fmt.pix.width; + } + + if (is_valid_height(f->fmt.pix.height, dev->tvnorm)) + { + fh->height = f->fmt.pix.height; + } + + if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P) + pix_format = PIXEL_FRMT_411; + else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) + pix_format = PIXEL_FRMT_422; + else + return -EINVAL; + + cx25821_set_pixel_format( dev, SRAM_CH05, pix_format ); + + // check if cif resolution + if (fh->width == 320 || fh->width == 352) + { + dev->use_cif_resolution[SRAM_CH05] = 1; + }else + { + dev->use_cif_resolution[SRAM_CH05] = 0; + } + dev->cif_width[SRAM_CH05] = fh->width; + medusa_set_resolution( dev, fh->width, SRAM_CH05 ); + + dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field); + cx25821_call_all(dev, video, s_fmt, f); + + return 0; +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + int ret_val = 0; + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + + ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); + + p->sequence = dev->vidq[SRAM_CH05].count; + + return ret_val; +} +static int vidioc_log_status (struct file *file, void *priv) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + char name[32 + 2]; + + struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH05]; + u32 tmp = 0; + + snprintf(name, sizeof(name), "%s/2", dev->name); + printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", + dev->name); + cx25821_call_all(dev, core, log_status); + + tmp = cx_read(sram_ch->dma_ctl); + printk(KERN_INFO "Video input 5 is %s\n", (tmp & 0x11)?"streaming" : "stopped"); + printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", + dev->name); + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + if (fh) { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + return cx25821_set_control(dev, ctl, SRAM_CH05); +} + +// exported stuff +static const struct v4l2_file_operations video_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, +#ifdef TUNER_FLAG + .vidioc_s_std = vidioc_s_std, + .vidioc_querystd = vidioc_querystd, +#endif + .vidioc_cropcap = vidioc_cropcap, + .vidioc_s_crop = vidioc_s_crop, + .vidioc_g_crop = vidioc_g_crop, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_log_status = vidioc_log_status, + .vidioc_g_priority = vidioc_g_priority, + .vidioc_s_priority = vidioc_s_priority, +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif +#ifdef TUNER_FLAG + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#endif +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +struct video_device cx25821_video_template5 = { + .name = "cx25821-video", + .fops = &video_fops, + .minor = -1, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX25821_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + + + diff --git a/drivers/staging/cx25821/cx25821-video6.c b/drivers/staging/cx25821/cx25821-video6.c new file mode 100644 index 0000000..980565a --- /dev/null +++ b/drivers/staging/cx25821/cx25821-video6.c @@ -0,0 +1,455 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx25821-video.h" + + +static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + struct cx25821_buffer *prev; + struct cx25821_fh *fh = vq->priv_data; + struct cx25821_dev *dev = fh->dev; + struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH06]; + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); + + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue, &q->active); + cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH06]); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n", + buf, buf->vb. i, buf->count, q->count); + } else { + prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + + /* 64 bit bits 63-32 */ + prev->risc.jmp[2] = cpu_to_le32(0); + dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n", buf, buf->vb.i, buf->count); + + } else { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i); + } + } + + if (list_empty(&q->active)) + { + dprintk(2, "active queue empty!\n"); + } +} + + +static struct videobuf_queue_ops cx25821_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + + +static int video_open(struct file *file) +{ + int minor = video_devdata(file)->minor; + struct cx25821_dev *h, *dev = NULL; + struct cx25821_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = 0; + u32 pix_format; + + lock_kernel(); + list_for_each(list, &cx25821_devlist) + { + h = list_entry(list, struct cx25821_dev, devlist); + + if (h->video_dev[SRAM_CH06] && h->video_dev[SRAM_CH06]->minor == minor) { + dev = h; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + } + + if (NULL == dev) { + unlock_kernel(); + return -ENODEV; + } + + printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) { + unlock_kernel(); + return -ENOMEM; + } + file->private_data = fh; + fh->dev = dev; + fh->type = type; + fh->width = 720; + + if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) + fh->height = 576; + else + fh->height = 480; + + dev->channel_opened = SRAM_CH06; + pix_format = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV; + fh->fmt = format_by_fourcc(pix_format); + + v4l2_prio_open(&dev->prio,&fh->prio); + + videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx25821_buffer), + fh); + + dprintk(1, "post videobuf_queue_init()\n"); + unlock_kernel(); + + return 0; +} + +static ssize_t video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) +{ + struct cx25821_fh *fh = file->private_data; + + switch (fh->type) + { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev, RESOURCE_VIDEO6)) + return -EBUSY; + + return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK); + + default: + BUG(); + return 0; + } +} + +static unsigned int video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_buffer *buf; + + if (res_check(fh, RESOURCE_VIDEO6)) { + /* streaming capture */ + if (list_empty(&fh->vidq.stream)) + return POLLERR; + buf = list_entry(fh->vidq.stream.next, + struct cx25821_buffer, vb.stream); + } else { + /* read() capture */ + buf = (struct cx25821_buffer *)fh->vidq.read_buf; + if (NULL == buf) + return POLLERR; + } + + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) + { + if( buf->vb.state == VIDEOBUF_DONE ) + { + struct cx25821_dev *dev = fh->dev; + + if( dev && dev->use_cif_resolution[SRAM_CH06] ) + { + u8 cam_id = *((char*)buf->vb.baddr+3); + memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2)); + *((char*)buf->vb.baddr+3) = cam_id; + } + } + + return POLLIN|POLLRDNORM; + } + + return 0; +} + + +static int video_release(struct file *file) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + + //stop the risc engine and fifo + cx_write(channel6->dma_ctl, 0); /* FIFO and RISC disable */ + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO6)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev, fh, RESOURCE_VIDEO6); + } + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq, fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + videobuf_mmap_free(&fh->vidq); + + v4l2_prio_close(&dev->prio,&fh->prio); + file->private_data = NULL; + kfree(fh); + + return 0; +} + + +static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + + if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) + { + return -EINVAL; + } + + if (unlikely(i != fh->type)) + { + return -EINVAL; + } + + if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO6)))) + { + return -EBUSY; + } + + return videobuf_streamon(get_queue(fh)); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + int err, res; + + if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (i != fh->type) + return -EINVAL; + + res = get_resource(fh, RESOURCE_VIDEO6); + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev, fh, res); + return 0; +} + + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + int pix_format = 0; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + dprintk(2, "%s()\n", __func__); + err = vidioc_try_fmt_vid_cap(file, priv, f); + + if (0 != err) + return err; + + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->vidq.field = f->fmt.pix.field; + + // check if width and height is valid based on set standard + if (is_valid_width(f->fmt.pix.width, dev->tvnorm)) + { + fh->width = f->fmt.pix.width; + } + + if (is_valid_height(f->fmt.pix.height, dev->tvnorm)) + { + fh->height = f->fmt.pix.height; + } + + if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P) + pix_format = PIXEL_FRMT_411; + else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) + pix_format = PIXEL_FRMT_422; + else + return -EINVAL; + + cx25821_set_pixel_format( dev, SRAM_CH06, pix_format ); + + // check if cif resolution + if (fh->width == 320 || fh->width == 352) + { + dev->use_cif_resolution[SRAM_CH06] = 1; + }else + { + dev->use_cif_resolution[SRAM_CH06] = 0; + } + dev->cif_width[SRAM_CH06] = fh->width; + medusa_set_resolution( dev, fh->width, SRAM_CH06 ); + + dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field); + cx25821_call_all(dev, video, s_fmt, f); + + return 0; +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + int ret_val = 0; + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + + ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); + + p->sequence = dev->vidq[SRAM_CH06].count; + + return ret_val; +} + +static int vidioc_log_status (struct file *file, void *priv) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + char name[32 + 2]; + + struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH06]; + u32 tmp = 0; + + snprintf(name, sizeof(name), "%s/2", dev->name); + printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", + dev->name); + cx25821_call_all(dev, core, log_status); + + tmp = cx_read(sram_ch->dma_ctl); + printk(KERN_INFO "Video input 6 is %s\n", (tmp & 0x11)?"streaming" : "stopped"); + printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", + dev->name); + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + if (fh) { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + return cx25821_set_control(dev, ctl, SRAM_CH06); +} + +// exported stuff +static const struct v4l2_file_operations video_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, +#ifdef TUNER_FLAG + .vidioc_s_std = vidioc_s_std, + .vidioc_querystd = vidioc_querystd, +#endif + .vidioc_cropcap = vidioc_cropcap, + .vidioc_s_crop = vidioc_s_crop, + .vidioc_g_crop = vidioc_g_crop, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_log_status = vidioc_log_status, + .vidioc_g_priority = vidioc_g_priority, + .vidioc_s_priority = vidioc_s_priority, +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif +#ifdef TUNER_FLAG + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#endif +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +struct video_device cx25821_video_template6 = { + .name = "cx25821-video", + .fops = &video_fops, + .minor = -1, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX25821_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + + + diff --git a/drivers/staging/cx25821/cx25821-video7.c b/drivers/staging/cx25821/cx25821-video7.c new file mode 100644 index 0000000..966e369 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-video7.c @@ -0,0 +1,454 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx25821-video.h" + + +static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + struct cx25821_buffer *prev; + struct cx25821_fh *fh = vq->priv_data; + struct cx25821_dev *dev = fh->dev; + struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH07]; + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue, &q->active); + cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH07]); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n", + buf, buf->vb. i, buf->count, q->count); + } else { + prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + + /* 64 bit bits 63-32 */ + prev->risc.jmp[2] = cpu_to_le32(0); + dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n", buf, buf->vb.i, buf->count); + + } else { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i); + } + } + + if (list_empty(&q->active)) + { + dprintk(2, "active queue empty!\n"); + } +} + + +static struct videobuf_queue_ops cx25821_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + + +static int video_open(struct file *file) +{ + int minor = video_devdata(file)->minor; + struct cx25821_dev *h, *dev = NULL; + struct cx25821_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = 0; + u32 pix_format; + + lock_kernel(); + list_for_each(list, &cx25821_devlist) + { + h = list_entry(list, struct cx25821_dev, devlist); + + if (h->video_dev[SRAM_CH07] && h->video_dev[SRAM_CH07]->minor == minor) { + dev = h; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + } + + if (NULL == dev) { + unlock_kernel(); + return -ENODEV; + } + + printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) { + unlock_kernel(); + return -ENOMEM; + } + file->private_data = fh; + fh->dev = dev; + fh->type = type; + fh->width = 720; + + if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) + fh->height = 576; + else + fh->height = 480; + + dev->channel_opened = SRAM_CH07; + pix_format = (dev->pixel_formats[dev->channel_opened] == PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV; + fh->fmt = format_by_fourcc(pix_format); + + v4l2_prio_open(&dev->prio,&fh->prio); + + videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx25821_buffer), + fh); + + dprintk(1, "post videobuf_queue_init()\n"); + unlock_kernel(); + + return 0; +} + +static ssize_t video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) +{ + struct cx25821_fh *fh = file->private_data; + + switch (fh->type) + { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev, RESOURCE_VIDEO7)) + return -EBUSY; + + return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK); + + default: + BUG(); + return 0; + } +} + +static unsigned int video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_buffer *buf; + + if (res_check(fh, RESOURCE_VIDEO7)) { + /* streaming capture */ + if (list_empty(&fh->vidq.stream)) + return POLLERR; + buf = list_entry(fh->vidq.stream.next, + struct cx25821_buffer, vb.stream); + } else { + /* read() capture */ + buf = (struct cx25821_buffer *)fh->vidq.read_buf; + if (NULL == buf) + return POLLERR; + } + + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) + { + if( buf->vb.state == VIDEOBUF_DONE ) + { + struct cx25821_dev *dev = fh->dev; + + if( dev && dev->use_cif_resolution[SRAM_CH07] ) + { + u8 cam_id = *((char*)buf->vb.baddr+3); + memcpy((char*)buf->vb.baddr, (char*)buf->vb.baddr + (fh->width * 2), (fh->width * 2)); + *((char*)buf->vb.baddr+3) = cam_id; + } + } + + return POLLIN|POLLRDNORM; + } + + return 0; +} + + +static int video_release(struct file *file) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + + //stop the risc engine and fifo + cx_write(channel7->dma_ctl, 0); /* FIFO and RISC disable */ + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO7)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev, fh, RESOURCE_VIDEO7); + } + + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq, fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + videobuf_mmap_free(&fh->vidq); + + v4l2_prio_close(&dev->prio,&fh->prio); + file->private_data = NULL; + kfree(fh); + + return 0; +} + + +static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + + if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) + { + return -EINVAL; + } + + if (unlikely(i != fh->type)) + { + return -EINVAL; + } + + if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO7)))) + { + return -EBUSY; + } + + return videobuf_streamon(get_queue(fh)); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + int err, res; + + if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (i != fh->type) + return -EINVAL; + + res = get_resource(fh, RESOURCE_VIDEO7); + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev, fh, res); + return 0; +} + + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + int pix_format = 0; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + dprintk(2, "%s()\n", __func__); + err = vidioc_try_fmt_vid_cap(file, priv, f); + + if (0 != err) + return err; + + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->vidq.field = f->fmt.pix.field; + + // check if width and height is valid based on set standard + if (is_valid_width(f->fmt.pix.width, dev->tvnorm)) + { + fh->width = f->fmt.pix.width; + } + + if (is_valid_height(f->fmt.pix.height, dev->tvnorm)) + { + fh->height = f->fmt.pix.height; + } + + if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P) + pix_format = PIXEL_FRMT_411; + else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) + pix_format = PIXEL_FRMT_422; + else + return -EINVAL; + + cx25821_set_pixel_format( dev, SRAM_CH07, pix_format ); + + // check if cif resolution + if (fh->width == 320 || fh->width == 352) + { + dev->use_cif_resolution[SRAM_CH07] = 1; + }else + { + dev->use_cif_resolution[SRAM_CH07] = 0; + } + dev->cif_width[SRAM_CH07] = fh->width; + medusa_set_resolution( dev, fh->width, SRAM_CH07 ); + + dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field); + cx25821_call_all(dev, video, s_fmt, f); + + return 0; +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + int ret_val = 0; + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + + ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); + + p->sequence = dev->vidq[SRAM_CH07].count; + + return ret_val; +} +static int vidioc_log_status (struct file *file, void *priv) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + char name[32 + 2]; + + struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH07]; + u32 tmp = 0; + + snprintf(name, sizeof(name), "%s/2", dev->name); + printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", + dev->name); + cx25821_call_all(dev, core, log_status); + + tmp = cx_read(sram_ch->dma_ctl); + printk(KERN_INFO "Video input 7 is %s\n", (tmp & 0x11)?"streaming" : "stopped"); + printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", + dev->name); + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + if (fh) { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + return cx25821_set_control(dev, ctl, SRAM_CH07); +} + +// exported stuff +static const struct v4l2_file_operations video_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, +#ifdef TUNER_FLAG + .vidioc_s_std = vidioc_s_std, + .vidioc_querystd = vidioc_querystd, +#endif + .vidioc_cropcap = vidioc_cropcap, + .vidioc_s_crop = vidioc_s_crop, + .vidioc_g_crop = vidioc_g_crop, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_log_status = vidioc_log_status, + .vidioc_g_priority = vidioc_g_priority, + .vidioc_s_priority = vidioc_s_priority, +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif +#ifdef TUNER_FLAG + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#endif +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +struct video_device cx25821_video_template7 = { + .name = "cx25821-video", + .fops = &video_fops, + .minor = -1, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX25821_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + + + diff --git a/drivers/staging/cx25821/cx25821-videoioctl.c b/drivers/staging/cx25821/cx25821-videoioctl.c new file mode 100644 index 0000000..a5363e4 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-videoioctl.c @@ -0,0 +1,500 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx25821-video.h" + + +static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + struct cx25821_buffer *prev; + struct cx25821_fh *fh = vq->priv_data; + struct cx25821_dev *dev = fh->dev; + struct cx25821_dmaqueue *q = &dev->vidq[VIDEO_IOCTL_CH]; + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); + + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue, &q->active); + cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[VIDEO_IOCTL_CH]); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n", + buf, buf->vb. i, buf->count, q->count); + } else { + prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + + /* 64 bit bits 63-32 */ + prev->risc.jmp[2] = cpu_to_le32(0); + dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n", buf, buf->vb.i, buf->count); + + } else { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i); + } + } + + if (list_empty(&q->active)) + { + dprintk(2, "active queue empty!\n"); + } +} + + +static struct videobuf_queue_ops cx25821_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + + +static int video_open(struct file *file) +{ + int minor = video_devdata(file)->minor; + struct cx25821_dev *h, *dev = NULL; + struct cx25821_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = 0; + u32 pix_format; + + lock_kernel(); + list_for_each(list, &cx25821_devlist) + { + h = list_entry(list, struct cx25821_dev, devlist); + + if (h->ioctl_dev && h->ioctl_dev->minor == minor) + { + dev = h; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + } + + if (NULL == dev) { + unlock_kernel(); + return -ENODEV; + } + + printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) { + unlock_kernel(); + return -ENOMEM; + } + + file->private_data = fh; + fh->dev = dev; + fh->type = type; + fh->width = 720; + + if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) + fh->height = 576; + else + fh->height = 480; + + dev->channel_opened = VIDEO_IOCTL_CH; + pix_format = V4L2_PIX_FMT_YUYV; + fh->fmt = format_by_fourcc(pix_format); + + v4l2_prio_open(&dev->prio,&fh->prio); + + videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx25821_buffer), + fh); + + dprintk(1, "post videobuf_queue_init()\n"); + unlock_kernel(); + + return 0; +} + +static ssize_t video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) +{ + struct cx25821_fh *fh = file->private_data; + + switch (fh->type) + { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev, RESOURCE_VIDEO_IOCTL)) + return -EBUSY; + + return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK); + + default: + BUG(); + return 0; + } +} + +static unsigned int video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_buffer *buf; + + if (res_check(fh, RESOURCE_VIDEO_IOCTL)) { + /* streaming capture */ + if (list_empty(&fh->vidq.stream)) + return POLLERR; + buf = list_entry(fh->vidq.stream.next, + struct cx25821_buffer, vb.stream); + } else { + /* read() capture */ + buf = (struct cx25821_buffer *)fh->vidq.read_buf; + if (NULL == buf) + return POLLERR; + } + + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) + return POLLIN|POLLRDNORM; + + return 0; +} + + +static int video_release(struct file *file) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO_IOCTL)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev, fh, RESOURCE_VIDEO_IOCTL); + } + + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq, fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + videobuf_mmap_free(&fh->vidq); + + v4l2_prio_close(&dev->prio,&fh->prio); + + file->private_data = NULL; + kfree(fh); + + return 0; +} + + +static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + + if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) + { + return -EINVAL; + } + + if (unlikely(i != fh->type)) + { + return -EINVAL; + } + + if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO_IOCTL)))) + { + return -EBUSY; + } + + return videobuf_streamon(get_queue(fh)); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + int err, res; + + if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (i != fh->type) + return -EINVAL; + + res = get_resource(fh, RESOURCE_VIDEO_IOCTL); + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev, fh, res); + return 0; +} + + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + dprintk(2, "%s()\n", __func__); + err = vidioc_try_fmt_vid_cap(file, priv, f); + + if (0 != err) + return err; + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->width = f->fmt.pix.width; + fh->height = f->fmt.pix.height; + fh->vidq.field = f->fmt.pix.field; + dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field); + cx25821_call_all(dev, video, s_fmt, f); + return 0; +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + struct cx25821_fh *fh = priv; + return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); +} + +static long video_ioctl_set(struct file *file, unsigned int cmd, unsigned long arg) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + struct downstream_user_struct *data_from_user; + int command; + int width = 720; + int selected_channel = 0, pix_format = 0, i = 0; + int cif_enable = 0, cif_width = 0; + u32 value = 0; + + + data_from_user = (struct downstream_user_struct *)arg; + + if( !data_from_user ) + { + printk("cx25821 in %s(): User data is INVALID. Returning.\n", __func__); + return 0; + } + + command = data_from_user->command; + + if( command != SET_VIDEO_STD && command != SET_PIXEL_FORMAT && command != ENABLE_CIF_RESOLUTION && + command != REG_READ && command != REG_WRITE && command != MEDUSA_READ && command != MEDUSA_WRITE) + { + return 0; + } + + + switch(command) + { + case SET_VIDEO_STD: + dev->tvnorm = !strcmp(data_from_user->vid_stdname,"PAL") ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M; + medusa_set_videostandard(dev); + break; + + case SET_PIXEL_FORMAT: + selected_channel = data_from_user->decoder_select; + pix_format = data_from_user->pixel_format; + + if( !(selected_channel <= 7 && selected_channel >= 0) ) + { + selected_channel -= 4; + selected_channel = selected_channel % 8; + } + + if( selected_channel >= 0 ) + cx25821_set_pixel_format( dev, selected_channel, pix_format ); + + break; + + case ENABLE_CIF_RESOLUTION: + selected_channel = data_from_user->decoder_select; + cif_enable = data_from_user->cif_resolution_enable; + cif_width = data_from_user->cif_width; + + if( cif_enable ) + { + if( dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK ) + width = 352; + else + width = (cif_width == 320 || cif_width == 352) ? cif_width : 320; + } + + if( !(selected_channel <= 7 && selected_channel >= 0) ) + { + selected_channel -= 4; + selected_channel = selected_channel % 8; + } + + + if( selected_channel <= 7 && selected_channel >= 0 ) + { + dev->use_cif_resolution[selected_channel] = cif_enable; + dev->cif_width[selected_channel] = width; + } + else + { + for( i=0; i < VID_CHANNEL_NUM; i++ ) + { + dev->use_cif_resolution[i] = cif_enable; + dev->cif_width[i] = width; + } + } + + medusa_set_resolution( dev, width, selected_channel ); + break; + case REG_READ: + data_from_user->reg_data = cx_read(data_from_user->reg_address); + break; + case REG_WRITE: + cx_write(data_from_user->reg_address, data_from_user->reg_data); + break; + case MEDUSA_READ: + value = cx25821_i2c_read(&dev->i2c_bus[0], (u16)data_from_user->reg_address, &data_from_user->reg_data); + break; + case MEDUSA_WRITE: + cx25821_i2c_write(&dev->i2c_bus[0], (u16)data_from_user->reg_address, data_from_user->reg_data); + break; + } + + return 0; +} + +static int vidioc_log_status (struct file *file, void *priv) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + char name[32 + 2]; + + snprintf(name, sizeof(name), "%s/2", dev->name); + printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", + dev->name); + cx25821_call_all(dev, core, log_status); + printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", + dev->name); + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + return 0; +} +// exported stuff +static const struct v4l2_file_operations video_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl_set, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, +#ifdef TUNER_FLAG + .vidioc_s_std = vidioc_s_std, + .vidioc_querystd = vidioc_querystd, +#endif + .vidioc_cropcap = vidioc_cropcap, + .vidioc_s_crop = vidioc_s_crop, + .vidioc_g_crop = vidioc_g_crop, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_log_status = vidioc_log_status, + .vidioc_g_priority = vidioc_g_priority, + .vidioc_s_priority = vidioc_s_priority, +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif +#ifdef TUNER_FLAG + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#endif +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +struct video_device cx25821_videoioctl_template = { + .name = "cx25821-videoioctl", + .fops = &video_fops, + .minor = -1, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX25821_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + + + diff --git a/drivers/staging/cx25821/cx25821-vidups10.c b/drivers/staging/cx25821/cx25821-vidups10.c new file mode 100644 index 0000000..4738e91 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-vidups10.c @@ -0,0 +1,443 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx25821-video.h" + + +static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + struct cx25821_buffer *prev; + struct cx25821_fh *fh = vq->priv_data; + struct cx25821_dev *dev = fh->dev; + struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH10]; + + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); + + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue, &q->active); + cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH10]); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n", + buf, buf->vb. i, buf->count, q->count); + } else { + prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + + /* 64 bit bits 63-32 */ + prev->risc.jmp[2] = cpu_to_le32(0); + dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n", buf, buf->vb.i, buf->count); + + } else { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i); + } + } + + if (list_empty(&q->active)) + { + dprintk(2, "active queue empty!\n"); + } +} + + +static struct videobuf_queue_ops cx25821_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + + +static int video_open(struct file *file) +{ + int minor = video_devdata(file)->minor; + struct cx25821_dev *h, *dev = NULL; + struct cx25821_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = 0; + + lock_kernel(); + list_for_each(list, &cx25821_devlist) + { + h = list_entry(list, struct cx25821_dev, devlist); + + if (h->video_dev[SRAM_CH10] && h->video_dev[SRAM_CH10]->minor == minor) { + dev = h; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + } + + if (NULL == dev) { + unlock_kernel(); + return -ENODEV; + } + + printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) { + unlock_kernel(); + return -ENOMEM; + } + + file->private_data = fh; + fh->dev = dev; + fh->type = type; + fh->width = 720; + + if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) + fh->height = 576; + else + fh->height = 480; + + + dev->channel_opened = 9; + fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); + + v4l2_prio_open(&dev->prio,&fh->prio); + + videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx25821_buffer), + fh); + + dprintk(1, "post videobuf_queue_init()\n"); + unlock_kernel(); + + return 0; +} + +static ssize_t video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) +{ + struct cx25821_fh *fh = file->private_data; + + switch (fh->type) + { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev, RESOURCE_VIDEO10)) + return -EBUSY; + + return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK); + + default: + BUG(); + return 0; + } +} + +static unsigned int video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_buffer *buf; + + if (res_check(fh, RESOURCE_VIDEO10)) { + /* streaming capture */ + if (list_empty(&fh->vidq.stream)) + return POLLERR; + buf = list_entry(fh->vidq.stream.next, + struct cx25821_buffer, vb.stream); + } else { + /* read() capture */ + buf = (struct cx25821_buffer *)fh->vidq.read_buf; + if (NULL == buf) + return POLLERR; + } + + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) + return POLLIN|POLLRDNORM; + return 0; +} + +static int video_release(struct file *file) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + + //stop the risc engine and fifo + //cx_write(channel10->dma_ctl, 0); + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO10)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev, fh, RESOURCE_VIDEO10); + } + + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq, fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + videobuf_mmap_free(&fh->vidq); + + v4l2_prio_close(&dev->prio,&fh->prio); + + file->private_data = NULL; + kfree(fh); + + return 0; +} + + +static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + + if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) + { + return -EINVAL; + } + + if (unlikely(i != fh->type)) + { + return -EINVAL; + } + + if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO10)))) + { + return -EBUSY; + } + + return videobuf_streamon(get_queue(fh)); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + int err, res; + + if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (i != fh->type) + return -EINVAL; + + res = get_resource(fh, RESOURCE_VIDEO10); + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev, fh, res); + return 0; +} + + +static long video_ioctl_upstream10(struct file *file, unsigned int cmd, unsigned long arg) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + int command = 0; + struct upstream_user_struct *data_from_user; + + + data_from_user = (struct upstream_user_struct *)arg; + + if( !data_from_user ) + { + printk("cx25821 in %s(): Upstream data is INVALID. Returning.\n", __func__); + return 0; + } + + command = data_from_user->command; + + if( command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO ) + { + return 0; + } + + dev->input_filename_ch2 = data_from_user->input_filename; + dev->input_audiofilename = data_from_user->input_filename; + dev->vid_stdname_ch2 = data_from_user->vid_stdname; + dev->pixel_format_ch2 = data_from_user->pixel_format; + dev->channel_select_ch2 = data_from_user->channel_select; + dev->command_ch2 = data_from_user->command; + + + switch(command) + { + case UPSTREAM_START_VIDEO: + cx25821_start_upstream_video_ch2(dev, data_from_user); + break; + + case UPSTREAM_STOP_VIDEO: + cx25821_stop_upstream_video_ch2(dev); + break; + } + + return 0; +} + + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + dprintk(2, "%s()\n", __func__); + err = vidioc_try_fmt_vid_cap(file, priv, f); + + if (0 != err) + return err; + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->width = f->fmt.pix.width; + fh->height = f->fmt.pix.height; + fh->vidq.field = f->fmt.pix.field; + dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field); + cx25821_call_all(dev, video, s_fmt, f); + return 0; +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + struct cx25821_fh *fh = priv; + return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); +} + +static int vidioc_log_status (struct file *file, void *priv) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + char name[32 + 2]; + + snprintf(name, sizeof(name), "%s/2", dev->name); + printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", + dev->name); + cx25821_call_all(dev, core, log_status); + printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", + dev->name); + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + return 0; +} + +//exported stuff +static const struct v4l2_file_operations video_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl_upstream10, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, +#ifdef TUNER_FLAG + .vidioc_s_std = vidioc_s_std, + .vidioc_querystd = vidioc_querystd, +#endif + .vidioc_cropcap = vidioc_cropcap, + .vidioc_s_crop = vidioc_s_crop, + .vidioc_g_crop = vidioc_g_crop, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_log_status = vidioc_log_status, + .vidioc_g_priority = vidioc_g_priority, + .vidioc_s_priority = vidioc_s_priority, +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif +#ifdef TUNER_FLAG + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#endif +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +struct video_device cx25821_video_template10 = { + .name = "cx25821-upstream10", + .fops = &video_fops, + .minor = -1, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX25821_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + + + diff --git a/drivers/staging/cx25821/cx25821-vidups9.c b/drivers/staging/cx25821/cx25821-vidups9.c new file mode 100644 index 0000000..7832fd1 --- /dev/null +++ b/drivers/staging/cx25821/cx25821-vidups9.c @@ -0,0 +1,441 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx25821-video.h" + + +static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + struct cx25821_buffer *prev; + struct cx25821_fh *fh = vq->priv_data; + struct cx25821_dev *dev = fh->dev; + struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH09]; + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); + + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue, &q->active); + cx25821_start_video_dma(dev, q, buf, &dev->sram_channels[SRAM_CH09]); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n", + buf, buf->vb. i, buf->count, q->count); + } else { + prev = list_entry(q->active.prev, struct cx25821_buffer, vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + + /* 64 bit bits 63-32 */ + prev->risc.jmp[2] = cpu_to_le32(0); + dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n", buf, buf->vb.i, buf->count); + + } else { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i); + } + } + + if (list_empty(&q->active)) + { + dprintk(2, "active queue empty!\n"); + } +} + + +static struct videobuf_queue_ops cx25821_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + + +static int video_open(struct file *file) +{ + int minor = video_devdata(file)->minor; + struct cx25821_dev *h, *dev = NULL; + struct cx25821_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = 0; + + lock_kernel(); + list_for_each(list, &cx25821_devlist) + { + h = list_entry(list, struct cx25821_dev, devlist); + + if (h->video_dev[SRAM_CH09] && h->video_dev[SRAM_CH09]->minor == minor) + { + dev = h; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + } + + if (NULL == dev) { + unlock_kernel(); + return -ENODEV; + } + + printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) { + unlock_kernel(); + return -ENOMEM; + } + + file->private_data = fh; + fh->dev = dev; + fh->type = type; + fh->width = 720; + + if(dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) + fh->height = 576; + else + fh->height = 480; + + dev->channel_opened = 8; + fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); + + v4l2_prio_open(&dev->prio,&fh->prio); + + videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, + &dev->pci->dev, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx25821_buffer), + fh); + + dprintk(1, "post videobuf_queue_init()\n"); + unlock_kernel(); + + return 0; +} + +static ssize_t video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) +{ + struct cx25821_fh *fh = file->private_data; + + switch (fh->type) + { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev, RESOURCE_VIDEO9)) + return -EBUSY; + + return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK); + + default: + BUG(); + return 0; + } +} + +static unsigned int video_poll(struct file *file, struct poll_table_struct *wait) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_buffer *buf; + + if (res_check(fh, RESOURCE_VIDEO9)) { + /* streaming capture */ + if (list_empty(&fh->vidq.stream)) + return POLLERR; + buf = list_entry(fh->vidq.stream.next, + struct cx25821_buffer, vb.stream); + } else { + /* read() capture */ + buf = (struct cx25821_buffer *)fh->vidq.read_buf; + if (NULL == buf) + return POLLERR; + } + + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) + return POLLIN|POLLRDNORM; + return 0; +} + + +static int video_release(struct file *file) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + + //stop the risc engine and fifo + //cx_write(channel9->dma_ctl, 0); + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO9)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev, fh, RESOURCE_VIDEO9); + } + + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq, fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + videobuf_mmap_free(&fh->vidq); + + v4l2_prio_close(&dev->prio,&fh->prio); + + file->private_data = NULL; + kfree(fh); + + return 0; +} + + +static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + + if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) + { + return -EINVAL; + } + + if (unlikely(i != fh->type)) + { + return -EINVAL; + } + + if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO9)))) + { + return -EBUSY; + } + + return videobuf_streamon(get_queue(fh)); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = fh->dev; + int err, res; + + if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (i != fh->type) + return -EINVAL; + + res = get_resource(fh, RESOURCE_VIDEO9); + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev, fh, res); + return 0; +} + + +static long video_ioctl_upstream9(struct file *file, unsigned int cmd, unsigned long arg) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + int command = 0; + struct upstream_user_struct *data_from_user; + + + data_from_user = (struct upstream_user_struct *)arg; + + if( !data_from_user ) + { + printk("cx25821 in %s(): Upstream data is INVALID. Returning.\n", __func__); + return 0; + } + + command = data_from_user->command; + + if( command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO ) + { + return 0; + } + + + dev->input_filename = data_from_user->input_filename; + dev->input_audiofilename = data_from_user->input_filename; + dev->vid_stdname = data_from_user->vid_stdname; + dev->pixel_format = data_from_user->pixel_format; + dev->channel_select = data_from_user->channel_select; + dev->command = data_from_user->command; + + + switch(command) + { + case UPSTREAM_START_VIDEO: + cx25821_start_upstream_video_ch1(dev, data_from_user); + break; + + case UPSTREAM_STOP_VIDEO: + cx25821_stop_upstream_video_ch1(dev); + break; + } + + return 0; +} + + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) +{ + struct cx25821_fh *fh = priv; + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + int err; + + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + dprintk(2, "%s()\n", __func__); + err = vidioc_try_fmt_vid_cap(file, priv, f); + + if (0 != err) + return err; + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->width = f->fmt.pix.width; + fh->height = f->fmt.pix.height; + fh->vidq.field = f->fmt.pix.field; + dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, fh->height, fh->vidq.field); + cx25821_call_all(dev, video, s_fmt, f); + return 0; +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) +{ + struct cx25821_fh *fh = priv; + return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); +} +static int vidioc_log_status (struct file *file, void *priv) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + char name[32 + 2]; + + snprintf(name, sizeof(name), "%s/2", dev->name); + printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", + dev->name); + cx25821_call_all(dev, core, log_status); + printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", + dev->name); + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + struct cx25821_fh *fh = priv; + int err; + if (fh) + { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + + return 0; +} +// exported stuff +static const struct v4l2_file_operations video_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl_upstream9, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, +#ifdef TUNER_FLAG + .vidioc_s_std = vidioc_s_std, + .vidioc_querystd = vidioc_querystd, +#endif + .vidioc_cropcap = vidioc_cropcap, + .vidioc_s_crop = vidioc_s_crop, + .vidioc_g_crop = vidioc_g_crop, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_log_status = vidioc_log_status, + .vidioc_g_priority = vidioc_g_priority, + .vidioc_s_priority = vidioc_s_priority, +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif +#ifdef TUNER_FLAG + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#endif +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +struct video_device cx25821_video_template9 = { + .name = "cx25821-upstream9", + .fops = &video_fops, + .minor = -1, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX25821_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + + + diff --git a/drivers/staging/cx25821/cx25821.h b/drivers/staging/cx25821/cx25821.h new file mode 100644 index 0000000..074ea34 --- /dev/null +++ b/drivers/staging/cx25821/cx25821.h @@ -0,0 +1,589 @@ +/* + * Driver for the Conexant CX25821 PCIe bridge + * + * Copyright (C) 2009 Conexant Systems Inc. + * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> + * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + + +#ifndef CX25821_H_ +#define CX25821_H_ + +#include <linux/pci.h> +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/sched.h> +#include <linux/kdev_t.h> + +#include <media/v4l2-common.h> +#include <media/v4l2-device.h> +#include <media/tuner.h> +#include <media/tveeprom.h> +#include <media/videobuf-dma-sg.h> +#include <media/videobuf-dvb.h> + +#include "btcx-risc.h" +#include "cx25821-reg.h" +#include "cx25821-medusa-reg.h" +#include "cx25821-sram.h" +#include "cx25821-audio.h" +#include "media/cx2341x.h" + +#include <linux/version.h> +#include <linux/mutex.h> + +#define CX25821_VERSION_CODE KERNEL_VERSION(0, 0, 106) + +#define UNSET (-1U) +#define NO_SYNC_LINE (-1U) + +#define CX25821_MAXBOARDS 2 + +#define TRUE 1 +#define FALSE 0 +#define LINE_SIZE_D1 1440 + +// Number of decoders and encoders +#define MAX_DECODERS 8 +#define MAX_ENCODERS 2 +#define QUAD_DECODERS 4 +#define MAX_CAMERAS 16 + +/* Max number of inputs by card */ +#define MAX_CX25821_INPUT 8 +#define INPUT(nr) (&cx25821_boards[dev->board].input[nr]) +#define RESOURCE_VIDEO0 1 +#define RESOURCE_VIDEO1 2 +#define RESOURCE_VIDEO2 4 +#define RESOURCE_VIDEO3 8 +#define RESOURCE_VIDEO4 16 +#define RESOURCE_VIDEO5 32 +#define RESOURCE_VIDEO6 64 +#define RESOURCE_VIDEO7 128 +#define RESOURCE_VIDEO8 256 +#define RESOURCE_VIDEO9 512 +#define RESOURCE_VIDEO10 1024 +#define RESOURCE_VIDEO11 2048 +#define RESOURCE_VIDEO_IOCTL 4096 + + +#define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */ + +#define UNKNOWN_BOARD 0 +#define CX25821_BOARD 1 + +/* Currently supported by the driver */ +#define CX25821_NORMS (\ + V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_M_KR | \ + V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \ + V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_H | \ + V4L2_STD_PAL_Nc ) + +#define CX25821_BOARD_CONEXANT_ATHENA10 1 +#define MAX_VID_CHANNEL_NUM 12 +#define VID_CHANNEL_NUM 8 + +struct cx25821_fmt { + char *name; + u32 fourcc; /* v4l2 format id */ + int depth; + int flags; + u32 cxformat; +}; + +struct cx25821_ctrl { + struct v4l2_queryctrl v; + u32 off; + u32 reg; + u32 mask; + u32 shift; +}; + +struct cx25821_tvnorm { + char *name; + v4l2_std_id id; + u32 cxiformat; + u32 cxoformat; +}; + +struct cx25821_fh { + struct cx25821_dev *dev; + enum v4l2_buf_type type; + int radio; + u32 resources; + + enum v4l2_priority prio; + + /* video overlay */ + struct v4l2_window win; + struct v4l2_clip *clips; + unsigned int nclips; + + /* video capture */ + struct cx25821_fmt *fmt; + unsigned int width, height; + + /* vbi capture */ + struct videobuf_queue vidq; + struct videobuf_queue vbiq; + + /* H264 Encoder specifics ONLY */ + struct videobuf_queue mpegq; + atomic_t v4l_reading; +}; + +enum cx25821_itype { + CX25821_VMUX_COMPOSITE = 1, + CX25821_VMUX_SVIDEO, + CX25821_VMUX_DEBUG, + CX25821_RADIO, +}; + +enum cx25821_src_sel_type { + CX25821_SRC_SEL_EXT_656_VIDEO = 0, + CX25821_SRC_SEL_PARALLEL_MPEG_VIDEO +}; + +/* buffer for one video frame */ +struct cx25821_buffer { + /* common v4l buffer stuff -- must be first */ + struct videobuf_buffer vb; + + /* cx25821 specific */ + unsigned int bpl; + struct btcx_riscmem risc; + struct cx25821_fmt *fmt; + u32 count; +}; + +struct cx25821_input { + enum cx25821_itype type; + unsigned int vmux; + u32 gpio0, gpio1, gpio2, gpio3; +}; + +typedef enum { + CX25821_UNDEFINED = 0, + CX25821_RAW, + CX25821_264 +} port_t; + +struct cx25821_board { + char *name; + port_t porta, portb, portc; + unsigned int tuner_type; + unsigned int radio_type; + unsigned char tuner_addr; + unsigned char radio_addr; + + u32 clk_freq; + struct cx25821_input input[2]; +}; + +struct cx25821_subid { + u16 subvendor; + u16 subdevice; + u32 card; +}; + +struct cx25821_i2c { + struct cx25821_dev *dev; + + int nr; + + /* i2c i/o */ + struct i2c_adapter i2c_adap; + struct i2c_algo_bit_data i2c_algo; + struct i2c_client i2c_client; + u32 i2c_rc; + + /* cx25821 registers used for raw addess */ + u32 i2c_period; + u32 reg_ctrl; + u32 reg_stat; + u32 reg_addr; + u32 reg_rdata; + u32 reg_wdata; +}; + +struct cx25821_dmaqueue { + struct list_head active; + struct list_head queued; + struct timer_list timeout; + struct btcx_riscmem stopper; + u32 count; +}; + +struct cx25821_data { + struct cx25821_dev *dev; + struct sram_channel *channel; +}; + +struct cx25821_dev { + struct list_head devlist; + atomic_t refcount; + struct v4l2_device v4l2_dev; + + struct v4l2_prio_state prio; + + /* pci stuff */ + struct pci_dev *pci; + unsigned char pci_rev, pci_lat; + int pci_bus, pci_slot; + u32 base_io_addr; + u32 __iomem *lmmio; + u8 __iomem *bmmio; + int pci_irqmask; + int hwrevision; + + u32 clk_freq; + + /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ + struct cx25821_i2c i2c_bus[3]; + + int nr; + struct mutex lock; + + /* board details */ + unsigned int board; + char name[32]; + + /* sram configuration */ + struct sram_channel *sram_channels; + + /* Analog video */ + u32 resources; + unsigned int input; + u32 tvaudio; + v4l2_std_id tvnorm; + unsigned int tuner_type; + unsigned char tuner_addr; + unsigned int radio_type; + unsigned char radio_addr; + unsigned int has_radio; + unsigned int videc_type; + unsigned char videc_addr; + unsigned short _max_num_decoders; + + int ctl_bright; + int ctl_contrast; + int ctl_hue; + int ctl_saturation; + + struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM]; + + /* Analog Audio Upstream */ + int _audio_is_running; + int _audiopixel_format; + int _is_first_audio_frame; + int _audiofile_status; + int _audio_lines_count; + int _audioframe_count; + int _audio_upstream_channel_select; + int _last_index_irq; //The last interrupt index processed. + + __le32 * _risc_audio_jmp_addr; + __le32 * _risc_virt_start_addr; + __le32 * _risc_virt_addr; + dma_addr_t _risc_phys_addr; + dma_addr_t _risc_phys_start_addr; + + unsigned int _audiorisc_size; + unsigned int _audiodata_buf_size; + __le32 * _audiodata_buf_virt_addr; + dma_addr_t _audiodata_buf_phys_addr; + char *_audiofilename; + + /* V4l */ + u32 freq; + struct video_device *video_dev[MAX_VID_CHANNEL_NUM]; + struct video_device *vbi_dev; + struct video_device *radio_dev; + struct video_device *ioctl_dev; + + struct cx25821_dmaqueue vidq[MAX_VID_CHANNEL_NUM]; + spinlock_t slock; + + /* Video Upstream */ + int _line_size; + int _prog_cnt; + int _pixel_format; + int _is_first_frame; + int _is_running; + int _file_status; + int _lines_count; + int _frame_count; + int _channel_upstream_select; + unsigned int _risc_size; + + __le32 * _dma_virt_start_addr; + __le32 * _dma_virt_addr; + dma_addr_t _dma_phys_addr; + dma_addr_t _dma_phys_start_addr; + + unsigned int _data_buf_size; + __le32 * _data_buf_virt_addr; + dma_addr_t _data_buf_phys_addr; + char * _filename; + char * _defaultname; + + + int _line_size_ch2; + int _prog_cnt_ch2; + int _pixel_format_ch2; + int _is_first_frame_ch2; + int _is_running_ch2; + int _file_status_ch2; + int _lines_count_ch2; + int _frame_count_ch2; + int _channel2_upstream_select; + unsigned int _risc_size_ch2; + + __le32 * _dma_virt_start_addr_ch2; + __le32 * _dma_virt_addr_ch2; + dma_addr_t _dma_phys_addr_ch2; + dma_addr_t _dma_phys_start_addr_ch2; + + unsigned int _data_buf_size_ch2; + __le32 * _data_buf_virt_addr_ch2; + dma_addr_t _data_buf_phys_addr_ch2; + char * _filename_ch2; + char * _defaultname_ch2; + + /* MPEG Encoder ONLY settings */ + u32 cx23417_mailbox; + struct cx2341x_mpeg_params mpeg_params; + struct video_device *v4l_device; + atomic_t v4l_reader_count; + struct cx25821_tvnorm encodernorm; + + u32 upstream_riscbuf_size; + u32 upstream_databuf_size; + u32 upstream_riscbuf_size_ch2; + u32 upstream_databuf_size_ch2; + u32 audio_upstream_riscbuf_size; + u32 audio_upstream_databuf_size; + int _isNTSC; + int _frame_index; + int _audioframe_index; + struct workqueue_struct * _irq_queues; + struct work_struct _irq_work_entry; + struct workqueue_struct * _irq_queues_ch2; + struct work_struct _irq_work_entry_ch2; + struct workqueue_struct * _irq_audio_queues; + struct work_struct _audio_work_entry; + char *input_filename; + char *input_filename_ch2; + int _frame_index_ch2; + int _isNTSC_ch2; + char *vid_stdname_ch2; + int pixel_format_ch2; + int channel_select_ch2; + int command_ch2; + char *input_audiofilename; + char *vid_stdname; + int pixel_format; + int channel_select; + int command; + int pixel_formats[VID_CHANNEL_NUM]; + int use_cif_resolution[VID_CHANNEL_NUM]; + int cif_width[VID_CHANNEL_NUM]; + int channel_opened; +}; + + +struct upstream_user_struct { + char *input_filename; + char *vid_stdname; + int pixel_format; + int channel_select; + int command; +}; + +struct downstream_user_struct { + char *vid_stdname; + int pixel_format; + int cif_resolution_enable; + int cif_width; + int decoder_select; + int command; + int reg_address; + int reg_data; +}; + +extern struct upstream_user_struct *up_data; + +static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev) +{ + return container_of(v4l2_dev, struct cx25821_dev, v4l2_dev); +} + +#define cx25821_call_all(dev, o, f, args...) \ + v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args) + +extern struct list_head cx25821_devlist; +extern struct cx25821_board cx25821_boards[]; +extern struct cx25821_subid cx25821_subids[]; + +#define SRAM_CH00 0 /* Video A */ +#define SRAM_CH01 1 /* Video B */ +#define SRAM_CH02 2 /* Video C */ +#define SRAM_CH03 3 /* Video D */ +#define SRAM_CH04 4 /* Video E */ +#define SRAM_CH05 5 /* Video F */ +#define SRAM_CH06 6 /* Video G */ +#define SRAM_CH07 7 /* Video H */ + +#define SRAM_CH08 8 /* Audio A */ +#define SRAM_CH09 9 /* Video Upstream I */ +#define SRAM_CH10 10 /* Video Upstream J */ +#define SRAM_CH11 11 /* Audio Upstream AUD_CHANNEL_B */ + + + +#define VID_UPSTREAM_SRAM_CHANNEL_I SRAM_CH09 +#define VID_UPSTREAM_SRAM_CHANNEL_J SRAM_CH10 +#define AUDIO_UPSTREAM_SRAM_CHANNEL_B SRAM_CH11 +#define VIDEO_IOCTL_CH 11 + +struct sram_channel { + char *name; + u32 i; + u32 cmds_start; + u32 ctrl_start; + u32 cdt; + u32 fifo_start; + u32 fifo_size; + u32 ptr1_reg; + u32 ptr2_reg; + u32 cnt1_reg; + u32 cnt2_reg; + u32 int_msk; + u32 int_stat; + u32 int_mstat; + u32 dma_ctl; + u32 gpcnt_ctl; + u32 gpcnt; + u32 aud_length; + u32 aud_cfg; + u32 fld_aud_fifo_en; + u32 fld_aud_risc_en; + + //For Upstream Video + u32 vid_fmt_ctl; + u32 vid_active_ctl1; + u32 vid_active_ctl2; + u32 vid_cdt_size; + + u32 vip_ctl; + u32 pix_frmt; + u32 jumponly; + u32 irq_bit; +}; +extern struct sram_channel cx25821_sram_channels[]; + +#define STATUS_SUCCESS 0 +#define STATUS_UNSUCCESSFUL -1 + +#define cx_read(reg) readl(dev->lmmio + ((reg)>>2)) +#define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2)) + +#define cx_andor(reg, mask, value) \ + writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\ + ((value) & (mask)), dev->lmmio+((reg)>>2)) + +#define cx_set(reg, bit) cx_andor((reg), (bit), (bit)) +#define cx_clear(reg, bit) cx_andor((reg), (bit), 0) + +#define Set_GPIO_Bit(Bit) (1 << Bit) +#define Clear_GPIO_Bit(Bit) (~(1 << Bit)) + +#define CX25821_ERR(fmt, args...) printk(KERN_ERR "cx25821(%d): " fmt, dev->board, ## args) +#define CX25821_WARN(fmt, args...) printk(KERN_WARNING "cx25821(%d): " fmt, dev->board , ## args) +#define CX25821_INFO(fmt, args...) printk(KERN_INFO "cx25821(%d): " fmt, dev->board , ## args) + +extern int cx25821_i2c_register(struct cx25821_i2c *bus); +extern void cx25821_card_setup(struct cx25821_dev *dev); +extern int cx25821_ir_init(struct cx25821_dev *dev); +extern int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value); +extern int cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value); +extern int cx25821_i2c_unregister(struct cx25821_i2c *bus); +extern void cx25821_gpio_init(struct cx25821_dev *dev); +extern void cx25821_set_gpiopin_direction( struct cx25821_dev *dev, + int pin_number, + int pin_logic_value); + +extern int medusa_video_init(struct cx25821_dev *dev); +extern int medusa_set_videostandard(struct cx25821_dev *dev); +extern void medusa_set_resolution(struct cx25821_dev *dev, int width, int decoder_select); +extern int medusa_set_brightness(struct cx25821_dev *dev, int brightness, int decoder); +extern int medusa_set_contrast(struct cx25821_dev *dev, int contrast, int decoder); +extern int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder); +extern int medusa_set_saturation(struct cx25821_dev *dev, int saturation, int decoder); + +extern int cx25821_sram_channel_setup(struct cx25821_dev *dev, struct sram_channel *ch, unsigned int bpl, u32 risc); + +extern int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, + struct scatterlist *sglist, + unsigned int top_offset, + unsigned int bottom_offset, + unsigned int bpl, + unsigned int padding, + unsigned int lines); +extern int cx25821_risc_databuffer_audio(struct pci_dev *pci, + struct btcx_riscmem *risc, + struct scatterlist *sglist, + unsigned int bpl, + unsigned int lines, + unsigned int lpi); +extern void cx25821_free_buffer(struct videobuf_queue *q, struct cx25821_buffer *buf); +extern int cx25821_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,u32 reg, u32 mask, u32 value); +extern void cx25821_sram_channel_dump(struct cx25821_dev *dev, struct sram_channel *ch); +extern void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev, struct sram_channel *ch); + + +extern struct cx25821_dev* cx25821_dev_get(struct pci_dev *pci); +extern void cx25821_print_irqbits(char *name, char *tag, char **strings, int len, u32 bits, u32 mask); +extern void cx25821_dev_unregister(struct cx25821_dev *dev); +extern int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev, + struct sram_channel *ch, + unsigned int bpl, u32 risc); + +extern int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, int pixel_format); +extern int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, int pixel_format); +extern int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select); +extern void cx25821_free_mem_upstream_ch1(struct cx25821_dev *dev); +extern void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev); +extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev); +extern void cx25821_start_upstream_video_ch1(struct cx25821_dev *dev, struct upstream_user_struct *up_data); +extern void cx25821_start_upstream_video_ch2(struct cx25821_dev *dev, struct upstream_user_struct *up_data); +extern void cx25821_start_upstream_audio(struct cx25821_dev *dev, struct upstream_user_struct *up_data); +extern void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev); +extern void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev); +extern void cx25821_stop_upstream_audio(struct cx25821_dev *dev); +extern int cx25821_sram_channel_setup_upstream( struct cx25821_dev *dev, struct sram_channel *ch, unsigned int bpl, u32 risc); +extern void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel, u32 format); +extern void cx25821_videoioctl_unregister(struct cx25821_dev *dev); +extern struct video_device *cx25821_vdev_init(struct cx25821_dev *dev, + struct pci_dev *pci, + struct video_device *template, + char *type); +#endif |