diff options
Diffstat (limited to 'drivers/media/video/saa7164/saa7164-core.c')
-rw-r--r-- | drivers/media/video/saa7164/saa7164-core.c | 1526 |
1 files changed, 0 insertions, 1526 deletions
diff --git a/drivers/media/video/saa7164/saa7164-core.c b/drivers/media/video/saa7164/saa7164-core.c deleted file mode 100644 index 3b7d7b4..0000000 --- a/drivers/media/video/saa7164/saa7164-core.c +++ /dev/null @@ -1,1526 +0,0 @@ -/* - * Driver for the NXP SAA7164 PCIe bridge - * - * Copyright (c) 2010 Steven Toth <stoth@kernellabs.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/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 <asm/div64.h> - -#ifdef CONFIG_PROC_FS -#include <linux/proc_fs.h> -#endif -#include "saa7164.h" - -MODULE_DESCRIPTION("Driver for NXP SAA7164 based TV cards"); -MODULE_AUTHOR("Steven Toth <stoth@kernellabs.com>"); -MODULE_LICENSE("GPL"); - -/* - * 1 Basic - * 2 - * 4 i2c - * 8 api - * 16 cmd - * 32 bus - */ - -unsigned int saa_debug; -module_param_named(debug, saa_debug, int, 0644); -MODULE_PARM_DESC(debug, "enable debug messages"); - -unsigned int fw_debug; -module_param(fw_debug, int, 0644); -MODULE_PARM_DESC(fw_debug, "Firware debug level def:2"); - -unsigned int encoder_buffers = SAA7164_MAX_ENCODER_BUFFERS; -module_param(encoder_buffers, int, 0644); -MODULE_PARM_DESC(encoder_buffers, "Total buffers in read queue 16-512 def:64"); - -unsigned int vbi_buffers = SAA7164_MAX_VBI_BUFFERS; -module_param(vbi_buffers, int, 0644); -MODULE_PARM_DESC(vbi_buffers, "Total buffers in read queue 16-512 def:64"); - -unsigned int waitsecs = 10; -module_param(waitsecs, int, 0644); -MODULE_PARM_DESC(waitsecs, "timeout on firmware messages"); - -static unsigned int card[] = {[0 ... (SAA7164_MAXBOARDS - 1)] = UNSET }; -module_param_array(card, int, NULL, 0444); -MODULE_PARM_DESC(card, "card type"); - -unsigned int print_histogram = 64; -module_param(print_histogram, int, 0644); -MODULE_PARM_DESC(print_histogram, "print histogram values once"); - -unsigned int crc_checking = 1; -module_param(crc_checking, int, 0644); -MODULE_PARM_DESC(crc_checking, "enable crc sanity checking on buffers"); - -unsigned int guard_checking = 1; -module_param(guard_checking, int, 0644); -MODULE_PARM_DESC(guard_checking, - "enable dma sanity checking for buffer overruns"); - -static unsigned int saa7164_devcount; - -static DEFINE_MUTEX(devlist); -LIST_HEAD(saa7164_devlist); - -#define INT_SIZE 16 - -void saa7164_dumphex16FF(struct saa7164_dev *dev, u8 *buf, int len) -{ - int i; - u8 tmp[16]; - memset(&tmp[0], 0xff, sizeof(tmp)); - - printk(KERN_INFO "--------------------> " - "00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n"); - - for (i = 0; i < len; i += 16) { - if (memcmp(&tmp, buf + i, sizeof(tmp)) != 0) { - printk(KERN_INFO " [0x%08x] " - "%02x %02x %02x %02x %02x %02x %02x %02x " - "%02x %02x %02x %02x %02x %02x %02x %02x\n", i, - *(buf+i+0), *(buf+i+1), *(buf+i+2), *(buf+i+3), - *(buf+i+4), *(buf+i+5), *(buf+i+6), *(buf+i+7), - *(buf+i+8), *(buf+i+9), *(buf+i+10), *(buf+i+11), - *(buf+i+12), *(buf+i+13), *(buf+i+14), *(buf+i+15)); - } - } -} - -static void saa7164_pack_verifier(struct saa7164_buffer *buf) -{ - u8 *p = (u8 *)buf->cpu; - int i; - - for (i = 0; i < buf->actual_size; i += 2048) { - - if ((*(p + i + 0) != 0x00) || (*(p + i + 1) != 0x00) || - (*(p + i + 2) != 0x01) || (*(p + i + 3) != 0xBA)) { - printk(KERN_ERR "No pack at 0x%x\n", i); -#if 0 - saa7164_dumphex16FF(buf->port->dev, (p + i), 32); -#endif - } - } -} - -#define FIXED_VIDEO_PID 0xf1 -#define FIXED_AUDIO_PID 0xf2 - -static void saa7164_ts_verifier(struct saa7164_buffer *buf) -{ - struct saa7164_port *port = buf->port; - u32 i; - u8 cc, a; - u16 pid; - u8 __iomem *bufcpu = (u8 *)buf->cpu; - - port->sync_errors = 0; - port->v_cc_errors = 0; - port->a_cc_errors = 0; - - for (i = 0; i < buf->actual_size; i += 188) { - if (*(bufcpu + i) != 0x47) - port->sync_errors++; - - /* TODO: Query pid lower 8 bits, ignoring upper bits intensionally */ - pid = ((*(bufcpu + i + 1) & 0x1f) << 8) | *(bufcpu + i + 2); - cc = *(bufcpu + i + 3) & 0x0f; - - if (pid == FIXED_VIDEO_PID) { - a = ((port->last_v_cc + 1) & 0x0f); - if (a != cc) { - printk(KERN_ERR "video cc last = %x current = %x i = %d\n", - port->last_v_cc, cc, i); - port->v_cc_errors++; - } - - port->last_v_cc = cc; - } else - if (pid == FIXED_AUDIO_PID) { - a = ((port->last_a_cc + 1) & 0x0f); - if (a != cc) { - printk(KERN_ERR "audio cc last = %x current = %x i = %d\n", - port->last_a_cc, cc, i); - port->a_cc_errors++; - } - - port->last_a_cc = cc; - } - - } - - /* Only report errors if we've been through this function atleast - * once already and the cached cc values are primed. First time through - * always generates errors. - */ - if (port->v_cc_errors && (port->done_first_interrupt > 1)) - printk(KERN_ERR "video pid cc, %d errors\n", port->v_cc_errors); - - if (port->a_cc_errors && (port->done_first_interrupt > 1)) - printk(KERN_ERR "audio pid cc, %d errors\n", port->a_cc_errors); - - if (port->sync_errors && (port->done_first_interrupt > 1)) - printk(KERN_ERR "sync_errors = %d\n", port->sync_errors); - - if (port->done_first_interrupt == 1) - port->done_first_interrupt++; -} - -static void saa7164_histogram_reset(struct saa7164_histogram *hg, char *name) -{ - int i; - - memset(hg, 0, sizeof(struct saa7164_histogram)); - strcpy(hg->name, name); - - /* First 30ms x 1ms */ - for (i = 0; i < 30; i++) - hg->counter1[0 + i].val = i; - - /* 30 - 200ms x 10ms */ - for (i = 0; i < 18; i++) - hg->counter1[30 + i].val = 30 + (i * 10); - - /* 200 - 2000ms x 100ms */ - for (i = 0; i < 15; i++) - hg->counter1[48 + i].val = 200 + (i * 200); - - /* Catch all massive value (2secs) */ - hg->counter1[55].val = 2000; - - /* Catch all massive value (4secs) */ - hg->counter1[56].val = 4000; - - /* Catch all massive value (8secs) */ - hg->counter1[57].val = 8000; - - /* Catch all massive value (15secs) */ - hg->counter1[58].val = 15000; - - /* Catch all massive value (30secs) */ - hg->counter1[59].val = 30000; - - /* Catch all massive value (60secs) */ - hg->counter1[60].val = 60000; - - /* Catch all massive value (5mins) */ - hg->counter1[61].val = 300000; - - /* Catch all massive value (15mins) */ - hg->counter1[62].val = 900000; - - /* Catch all massive values (1hr) */ - hg->counter1[63].val = 3600000; -} - -void saa7164_histogram_update(struct saa7164_histogram *hg, u32 val) -{ - int i; - for (i = 0; i < 64; i++) { - if (val <= hg->counter1[i].val) { - hg->counter1[i].count++; - hg->counter1[i].update_time = jiffies; - break; - } - } -} - -static void saa7164_histogram_print(struct saa7164_port *port, - struct saa7164_histogram *hg) -{ - u32 entries = 0; - int i; - - printk(KERN_ERR "Histogram named %s (ms, count, last_update_jiffy)\n", hg->name); - for (i = 0; i < 64; i++) { - if (hg->counter1[i].count == 0) - continue; - - printk(KERN_ERR " %4d %12d %Ld\n", - hg->counter1[i].val, - hg->counter1[i].count, - hg->counter1[i].update_time); - - entries++; - } - printk(KERN_ERR "Total: %d\n", entries); -} - -static void saa7164_work_enchandler_helper(struct saa7164_port *port, int bufnr) -{ - struct saa7164_dev *dev = port->dev; - struct saa7164_buffer *buf = NULL; - struct saa7164_user_buffer *ubuf = NULL; - struct list_head *c, *n; - int i = 0; - u8 __iomem *p; - - mutex_lock(&port->dmaqueue_lock); - list_for_each_safe(c, n, &port->dmaqueue.list) { - - buf = list_entry(c, struct saa7164_buffer, list); - if (i++ > port->hwcfg.buffercount) { - printk(KERN_ERR "%s() illegal i count %d\n", - __func__, i); - break; - } - - if (buf->idx == bufnr) { - - /* Found the buffer, deal with it */ - dprintk(DBGLVL_IRQ, "%s() bufnr: %d\n", __func__, bufnr); - - if (crc_checking) { - /* Throw a new checksum on the dma buffer */ - buf->crc = crc32(0, buf->cpu, buf->actual_size); - } - - if (guard_checking) { - p = (u8 *)buf->cpu; - if ((*(p + buf->actual_size + 0) != 0xff) || - (*(p + buf->actual_size + 1) != 0xff) || - (*(p + buf->actual_size + 2) != 0xff) || - (*(p + buf->actual_size + 3) != 0xff) || - (*(p + buf->actual_size + 0x10) != 0xff) || - (*(p + buf->actual_size + 0x11) != 0xff) || - (*(p + buf->actual_size + 0x12) != 0xff) || - (*(p + buf->actual_size + 0x13) != 0xff)) { - printk(KERN_ERR "%s() buf %p guard buffer breach\n", - __func__, buf); -#if 0 - saa7164_dumphex16FF(dev, (p + buf->actual_size) - 32 , 64); -#endif - } - } - - if ((port->nr != SAA7164_PORT_VBI1) && (port->nr != SAA7164_PORT_VBI2)) { - /* Validate the incoming buffer content */ - if (port->encoder_params.stream_type == V4L2_MPEG_STREAM_TYPE_MPEG2_TS) - saa7164_ts_verifier(buf); - else if (port->encoder_params.stream_type == V4L2_MPEG_STREAM_TYPE_MPEG2_PS) - saa7164_pack_verifier(buf); - } - - /* find a free user buffer and clone to it */ - if (!list_empty(&port->list_buf_free.list)) { - - /* Pull the first buffer from the used list */ - ubuf = list_first_entry(&port->list_buf_free.list, - struct saa7164_user_buffer, list); - - if (buf->actual_size <= ubuf->actual_size) { - - memcpy_fromio(ubuf->data, buf->cpu, - ubuf->actual_size); - - if (crc_checking) { - /* Throw a new checksum on the read buffer */ - ubuf->crc = crc32(0, ubuf->data, ubuf->actual_size); - } - - /* Requeue the buffer on the free list */ - ubuf->pos = 0; - - list_move_tail(&ubuf->list, - &port->list_buf_used.list); - - /* Flag any userland waiters */ - wake_up_interruptible(&port->wait_read); - - } else { - printk(KERN_ERR "buf %p bufsize fails match\n", buf); - } - - } else - printk(KERN_ERR "encirq no free buffers, increase param encoder_buffers\n"); - - /* Ensure offset into buffer remains 0, fill buffer - * with known bad data. We check for this data at a later point - * in time. */ - saa7164_buffer_zero_offsets(port, bufnr); - memset_io(buf->cpu, 0xff, buf->pci_size); - if (crc_checking) { - /* Throw yet aanother new checksum on the dma buffer */ - buf->crc = crc32(0, buf->cpu, buf->actual_size); - } - - break; - } - } - mutex_unlock(&port->dmaqueue_lock); -} - -static void saa7164_work_enchandler(struct work_struct *w) -{ - struct saa7164_port *port = - container_of(w, struct saa7164_port, workenc); - struct saa7164_dev *dev = port->dev; - - u32 wp, mcb, rp, cnt = 0; - - port->last_svc_msecs_diff = port->last_svc_msecs; - port->last_svc_msecs = jiffies_to_msecs(jiffies); - - port->last_svc_msecs_diff = port->last_svc_msecs - - port->last_svc_msecs_diff; - - saa7164_histogram_update(&port->svc_interval, - port->last_svc_msecs_diff); - - port->last_irq_svc_msecs_diff = port->last_svc_msecs - - port->last_irq_msecs; - - saa7164_histogram_update(&port->irq_svc_interval, - port->last_irq_svc_msecs_diff); - - dprintk(DBGLVL_IRQ, - "%s() %Ldms elapsed irq->deferred %Ldms wp: %d rp: %d\n", - __func__, - port->last_svc_msecs_diff, - port->last_irq_svc_msecs_diff, - port->last_svc_wp, - port->last_svc_rp - ); - - /* Current write position */ - wp = saa7164_readl(port->bufcounter); - if (wp > (port->hwcfg.buffercount - 1)) { - printk(KERN_ERR "%s() illegal buf count %d\n", __func__, wp); - return; - } - - /* Most current complete buffer */ - if (wp == 0) - mcb = (port->hwcfg.buffercount - 1); - else - mcb = wp - 1; - - while (1) { - if (port->done_first_interrupt == 0) { - port->done_first_interrupt++; - rp = mcb; - } else - rp = (port->last_svc_rp + 1) % 8; - - if ((rp < 0) || (rp > (port->hwcfg.buffercount - 1))) { - printk(KERN_ERR "%s() illegal rp count %d\n", __func__, rp); - break; - } - - saa7164_work_enchandler_helper(port, rp); - port->last_svc_rp = rp; - cnt++; - - if (rp == mcb) - break; - } - - /* TODO: Convert this into a /proc/saa7164 style readable file */ - if (print_histogram == port->nr) { - saa7164_histogram_print(port, &port->irq_interval); - saa7164_histogram_print(port, &port->svc_interval); - saa7164_histogram_print(port, &port->irq_svc_interval); - saa7164_histogram_print(port, &port->read_interval); - saa7164_histogram_print(port, &port->poll_interval); - /* TODO: fix this to preserve any previous state */ - print_histogram = 64 + port->nr; - } -} - -static void saa7164_work_vbihandler(struct work_struct *w) -{ - struct saa7164_port *port = - container_of(w, struct saa7164_port, workenc); - struct saa7164_dev *dev = port->dev; - - u32 wp, mcb, rp, cnt = 0; - - port->last_svc_msecs_diff = port->last_svc_msecs; - port->last_svc_msecs = jiffies_to_msecs(jiffies); - port->last_svc_msecs_diff = port->last_svc_msecs - - port->last_svc_msecs_diff; - - saa7164_histogram_update(&port->svc_interval, - port->last_svc_msecs_diff); - - port->last_irq_svc_msecs_diff = port->last_svc_msecs - - port->last_irq_msecs; - - saa7164_histogram_update(&port->irq_svc_interval, - port->last_irq_svc_msecs_diff); - - dprintk(DBGLVL_IRQ, - "%s() %Ldms elapsed irq->deferred %Ldms wp: %d rp: %d\n", - __func__, - port->last_svc_msecs_diff, - port->last_irq_svc_msecs_diff, - port->last_svc_wp, - port->last_svc_rp - ); - - /* Current write position */ - wp = saa7164_readl(port->bufcounter); - if (wp > (port->hwcfg.buffercount - 1)) { - printk(KERN_ERR "%s() illegal buf count %d\n", __func__, wp); - return; - } - - /* Most current complete buffer */ - if (wp == 0) - mcb = (port->hwcfg.buffercount - 1); - else - mcb = wp - 1; - - while (1) { - if (port->done_first_interrupt == 0) { - port->done_first_interrupt++; - rp = mcb; - } else - rp = (port->last_svc_rp + 1) % 8; - - if ((rp < 0) || (rp > (port->hwcfg.buffercount - 1))) { - printk(KERN_ERR "%s() illegal rp count %d\n", __func__, rp); - break; - } - - saa7164_work_enchandler_helper(port, rp); - port->last_svc_rp = rp; - cnt++; - - if (rp == mcb) - break; - } - - /* TODO: Convert this into a /proc/saa7164 style readable file */ - if (print_histogram == port->nr) { - saa7164_histogram_print(port, &port->irq_interval); - saa7164_histogram_print(port, &port->svc_interval); - saa7164_histogram_print(port, &port->irq_svc_interval); - saa7164_histogram_print(port, &port->read_interval); - saa7164_histogram_print(port, &port->poll_interval); - /* TODO: fix this to preserve any previous state */ - print_histogram = 64 + port->nr; - } -} - -static void saa7164_work_cmdhandler(struct work_struct *w) -{ - struct saa7164_dev *dev = container_of(w, struct saa7164_dev, workcmd); - - /* Wake up any complete commands */ - saa7164_irq_dequeue(dev); -} - -static void saa7164_buffer_deliver(struct saa7164_buffer *buf) -{ - struct saa7164_port *port = buf->port; - - /* Feed the transport payload into the kernel demux */ - dvb_dmx_swfilter_packets(&port->dvb.demux, (u8 *)buf->cpu, - SAA7164_TS_NUMBER_OF_LINES); - -} - -static irqreturn_t saa7164_irq_vbi(struct saa7164_port *port) -{ - struct saa7164_dev *dev = port->dev; - - /* Store old time */ - port->last_irq_msecs_diff = port->last_irq_msecs; - - /* Collect new stats */ - port->last_irq_msecs = jiffies_to_msecs(jiffies); - - /* Calculate stats */ - port->last_irq_msecs_diff = port->last_irq_msecs - - port->last_irq_msecs_diff; - - saa7164_histogram_update(&port->irq_interval, - port->last_irq_msecs_diff); - - dprintk(DBGLVL_IRQ, "%s() %Ldms elapsed\n", __func__, - port->last_irq_msecs_diff); - - /* Tis calls the vbi irq handler */ - schedule_work(&port->workenc); - return 0; -} - -static irqreturn_t saa7164_irq_encoder(struct saa7164_port *port) -{ - struct saa7164_dev *dev = port->dev; - - /* Store old time */ - port->last_irq_msecs_diff = port->last_irq_msecs; - - /* Collect new stats */ - port->last_irq_msecs = jiffies_to_msecs(jiffies); - - /* Calculate stats */ - port->last_irq_msecs_diff = port->last_irq_msecs - - port->last_irq_msecs_diff; - - saa7164_histogram_update(&port->irq_interval, - port->last_irq_msecs_diff); - - dprintk(DBGLVL_IRQ, "%s() %Ldms elapsed\n", __func__, - port->last_irq_msecs_diff); - - schedule_work(&port->workenc); - return 0; -} - -static irqreturn_t saa7164_irq_ts(struct saa7164_port *port) -{ - struct saa7164_dev *dev = port->dev; - struct saa7164_buffer *buf; - struct list_head *c, *n; - int wp, i = 0, rp; - - /* Find the current write point from the hardware */ - wp = saa7164_readl(port->bufcounter); - if (wp > (port->hwcfg.buffercount - 1)) - BUG(); - - /* Find the previous buffer to the current write point */ - if (wp == 0) - rp = (port->hwcfg.buffercount - 1); - else - rp = wp - 1; - - /* Lookup the WP in the buffer list */ - /* TODO: turn this into a worker thread */ - list_for_each_safe(c, n, &port->dmaqueue.list) { - buf = list_entry(c, struct saa7164_buffer, list); - if (i++ > port->hwcfg.buffercount) - BUG(); - - if (buf->idx == rp) { - /* Found the buffer, deal with it */ - dprintk(DBGLVL_IRQ, "%s() wp: %d processing: %d\n", - __func__, wp, rp); - saa7164_buffer_deliver(buf); - break; - } - - } - return 0; -} - -/* Primary IRQ handler and dispatch mechanism */ -static irqreturn_t saa7164_irq(int irq, void *dev_id) -{ - struct saa7164_dev *dev = dev_id; - struct saa7164_port *porta = &dev->ports[SAA7164_PORT_TS1]; - struct saa7164_port *portb = &dev->ports[SAA7164_PORT_TS2]; - struct saa7164_port *portc = &dev->ports[SAA7164_PORT_ENC1]; - struct saa7164_port *portd = &dev->ports[SAA7164_PORT_ENC2]; - struct saa7164_port *porte = &dev->ports[SAA7164_PORT_VBI1]; - struct saa7164_port *portf = &dev->ports[SAA7164_PORT_VBI2]; - - u32 intid, intstat[INT_SIZE/4]; - int i, handled = 0, bit; - - if (dev == NULL) { - printk(KERN_ERR "%s() No device specified\n", __func__); - handled = 0; - goto out; - } - - /* Check that the hardware is accessible. If the status bytes are - * 0xFF then the device is not accessible, the the IRQ belongs - * to another driver. - * 4 x u32 interrupt registers. - */ - for (i = 0; i < INT_SIZE/4; i++) { - - /* TODO: Convert into saa7164_readl() */ - /* Read the 4 hardware interrupt registers */ - intstat[i] = saa7164_readl(dev->int_status + (i * 4)); - - if (intstat[i]) - handled = 1; - } - if (handled == 0) - goto out; - - /* For each of the HW interrupt registers */ - for (i = 0; i < INT_SIZE/4; i++) { - - if (intstat[i]) { - /* Each function of the board has it's own interruptid. - * Find the function that triggered then call - * it's handler. - */ - for (bit = 0; bit < 32; bit++) { - - if (((intstat[i] >> bit) & 0x00000001) == 0) - continue; - - /* Calculate the interrupt id (0x00 to 0x7f) */ - - intid = (i * 32) + bit; - if (intid == dev->intfdesc.bInterruptId) { - /* A response to an cmd/api call */ - schedule_work(&dev->workcmd); - } else if (intid == porta->hwcfg.interruptid) { - - /* Transport path 1 */ - saa7164_irq_ts(porta); - - } else if (intid == portb->hwcfg.interruptid) { - - /* Transport path 2 */ - saa7164_irq_ts(portb); - - } else if (intid == portc->hwcfg.interruptid) { - - /* Encoder path 1 */ - saa7164_irq_encoder(portc); - - } else if (intid == portd->hwcfg.interruptid) { - - /* Encoder path 2 */ - saa7164_irq_encoder(portd); - - } else if (intid == porte->hwcfg.interruptid) { - - /* VBI path 1 */ - saa7164_irq_vbi(porte); - - } else if (intid == portf->hwcfg.interruptid) { - - /* VBI path 2 */ - saa7164_irq_vbi(portf); - - } else { - /* Find the function */ - dprintk(DBGLVL_IRQ, - "%s() unhandled interrupt " - "reg 0x%x bit 0x%x " - "intid = 0x%x\n", - __func__, i, bit, intid); - } - } - - /* Ack it */ - saa7164_writel(dev->int_ack + (i * 4), intstat[i]); - - } - } -out: - return IRQ_RETVAL(handled); -} - -void saa7164_getfirmwarestatus(struct saa7164_dev *dev) -{ - struct saa7164_fw_status *s = &dev->fw_status; - - dev->fw_status.status = saa7164_readl(SAA_DEVICE_SYSINIT_STATUS); - dev->fw_status.mode = saa7164_readl(SAA_DEVICE_SYSINIT_MODE); - dev->fw_status.spec = saa7164_readl(SAA_DEVICE_SYSINIT_SPEC); - dev->fw_status.inst = saa7164_readl(SAA_DEVICE_SYSINIT_INST); - dev->fw_status.cpuload = saa7164_readl(SAA_DEVICE_SYSINIT_CPULOAD); - dev->fw_status.remainheap = - saa7164_readl(SAA_DEVICE_SYSINIT_REMAINHEAP); - - dprintk(1, "Firmware status:\n"); - dprintk(1, " .status = 0x%08x\n", s->status); - dprintk(1, " .mode = 0x%08x\n", s->mode); - dprintk(1, " .spec = 0x%08x\n", s->spec); - dprintk(1, " .inst = 0x%08x\n", s->inst); - dprintk(1, " .cpuload = 0x%08x\n", s->cpuload); - dprintk(1, " .remainheap = 0x%08x\n", s->remainheap); -} - -u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev) -{ - u32 reg; - - reg = saa7164_readl(SAA_DEVICE_VERSION); - dprintk(1, "Device running firmware version %d.%d.%d.%d (0x%x)\n", - (reg & 0x0000fc00) >> 10, - (reg & 0x000003e0) >> 5, - (reg & 0x0000001f), - (reg & 0xffff0000) >> 16, - reg); - - return reg; -} - -/* TODO: Debugging func, remove */ -void saa7164_dumphex16(struct saa7164_dev *dev, u8 *buf, int len) -{ - int i; - - printk(KERN_INFO "--------------------> " - "00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n"); - - for (i = 0; i < len; i += 16) - printk(KERN_INFO " [0x%08x] " - "%02x %02x %02x %02x %02x %02x %02x %02x " - "%02x %02x %02x %02x %02x %02x %02x %02x\n", i, - *(buf+i+0), *(buf+i+1), *(buf+i+2), *(buf+i+3), - *(buf+i+4), *(buf+i+5), *(buf+i+6), *(buf+i+7), - *(buf+i+8), *(buf+i+9), *(buf+i+10), *(buf+i+11), - *(buf+i+12), *(buf+i+13), *(buf+i+14), *(buf+i+15)); -} - -/* TODO: Debugging func, remove */ -void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr) -{ - int i; - - dprintk(1, "--------------------> " - "00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n"); - - for (i = 0; i < 0x100; i += 16) - dprintk(1, "region0[0x%08x] = " - "%02x %02x %02x %02x %02x %02x %02x %02x" - " %02x %02x %02x %02x %02x %02x %02x %02x\n", i, - (u8)saa7164_readb(addr + i + 0), - (u8)saa7164_readb(addr + i + 1), - (u8)saa7164_readb(addr + i + 2), - (u8)saa7164_readb(addr + i + 3), - (u8)saa7164_readb(addr + i + 4), - (u8)saa7164_readb(addr + i + 5), - (u8)saa7164_readb(addr + i + 6), - (u8)saa7164_readb(addr + i + 7), - (u8)saa7164_readb(addr + i + 8), - (u8)saa7164_readb(addr + i + 9), - (u8)saa7164_readb(addr + i + 10), - (u8)saa7164_readb(addr + i + 11), - (u8)saa7164_readb(addr + i + 12), - (u8)saa7164_readb(addr + i + 13), - (u8)saa7164_readb(addr + i + 14), - (u8)saa7164_readb(addr + i + 15) - ); -} - -static void saa7164_dump_hwdesc(struct saa7164_dev *dev) -{ - dprintk(1, "@0x%p hwdesc sizeof(struct tmComResHWDescr) = %d bytes\n", - &dev->hwdesc, (u32)sizeof(struct tmComResHWDescr)); - - dprintk(1, " .bLength = 0x%x\n", dev->hwdesc.bLength); - dprintk(1, " .bDescriptorType = 0x%x\n", dev->hwdesc.bDescriptorType); - dprintk(1, " .bDescriptorSubtype = 0x%x\n", - dev->hwdesc.bDescriptorSubtype); - - dprintk(1, " .bcdSpecVersion = 0x%x\n", dev->hwdesc.bcdSpecVersion); - dprintk(1, " .dwClockFrequency = 0x%x\n", dev->hwdesc.dwClockFrequency); - dprintk(1, " .dwClockUpdateRes = 0x%x\n", dev->hwdesc.dwClockUpdateRes); - dprintk(1, " .bCapabilities = 0x%x\n", dev->hwdesc.bCapabilities); - dprintk(1, " .dwDeviceRegistersLocation = 0x%x\n", - dev->hwdesc.dwDeviceRegistersLocation); - - dprintk(1, " .dwHostMemoryRegion = 0x%x\n", - dev->hwdesc.dwHostMemoryRegion); - - dprintk(1, " .dwHostMemoryRegionSize = 0x%x\n", - dev->hwdesc.dwHostMemoryRegionSize); - - dprintk(1, " .dwHostHibernatMemRegion = 0x%x\n", - dev->hwdesc.dwHostHibernatMemRegion); - - dprintk(1, " .dwHostHibernatMemRegionSize = 0x%x\n", - dev->hwdesc.dwHostHibernatMemRegionSize); -} - -static void saa7164_dump_intfdesc(struct saa7164_dev *dev) -{ - dprintk(1, "@0x%p intfdesc " - "sizeof(struct tmComResInterfaceDescr) = %d bytes\n", - &dev->intfdesc, (u32)sizeof(struct tmComResInterfaceDescr)); - - dprintk(1, " .bLength = 0x%x\n", dev->intfdesc.bLength); - dprintk(1, " .bDescriptorType = 0x%x\n", dev->intfdesc.bDescriptorType); - dprintk(1, " .bDescriptorSubtype = 0x%x\n", - dev->intfdesc.bDescriptorSubtype); - - dprintk(1, " .bFlags = 0x%x\n", dev->intfdesc.bFlags); - dprintk(1, " .bInterfaceType = 0x%x\n", dev->intfdesc.bInterfaceType); - dprintk(1, " .bInterfaceId = 0x%x\n", dev->intfdesc.bInterfaceId); - dprintk(1, " .bBaseInterface = 0x%x\n", dev->intfdesc.bBaseInterface); - dprintk(1, " .bInterruptId = 0x%x\n", dev->intfdesc.bInterruptId); - dprintk(1, " .bDebugInterruptId = 0x%x\n", - dev->intfdesc.bDebugInterruptId); - - dprintk(1, " .BARLocation = 0x%x\n", dev->intfdesc.BARLocation); -} - -static void saa7164_dump_busdesc(struct saa7164_dev *dev) -{ - dprintk(1, "@0x%p busdesc sizeof(struct tmComResBusDescr) = %d bytes\n", - &dev->busdesc, (u32)sizeof(struct tmComResBusDescr)); - - dprintk(1, " .CommandRing = 0x%016Lx\n", dev->busdesc.CommandRing); - dprintk(1, " .ResponseRing = 0x%016Lx\n", dev->busdesc.ResponseRing); - dprintk(1, " .CommandWrite = 0x%x\n", dev->busdesc.CommandWrite); - dprintk(1, " .CommandRead = 0x%x\n", dev->busdesc.CommandRead); - dprintk(1, " .ResponseWrite = 0x%x\n", dev->busdesc.ResponseWrite); - dprintk(1, " .ResponseRead = 0x%x\n", dev->busdesc.ResponseRead); -} - -/* Much of the hardware configuration and PCI registers are configured - * dynamically depending on firmware. We have to cache some initial - * structures then use these to locate other important structures - * from PCI space. - */ -static void saa7164_get_descriptors(struct saa7164_dev *dev) -{ - memcpy_fromio(&dev->hwdesc, dev->bmmio, sizeof(struct tmComResHWDescr)); - memcpy_fromio(&dev->intfdesc, dev->bmmio + sizeof(struct tmComResHWDescr), - sizeof(struct tmComResInterfaceDescr)); - memcpy_fromio(&dev->busdesc, dev->bmmio + dev->intfdesc.BARLocation, - sizeof(struct tmComResBusDescr)); - - if (dev->hwdesc.bLength != sizeof(struct tmComResHWDescr)) { - printk(KERN_ERR "Structure struct tmComResHWDescr is mangled\n"); - printk(KERN_ERR "Need %x got %d\n", dev->hwdesc.bLength, - (u32)sizeof(struct tmComResHWDescr)); - } else - saa7164_dump_hwdesc(dev); - - if (dev->intfdesc.bLength != sizeof(struct tmComResInterfaceDescr)) { - printk(KERN_ERR "struct struct tmComResInterfaceDescr is mangled\n"); - printk(KERN_ERR "Need %x got %d\n", dev->intfdesc.bLength, - (u32)sizeof(struct tmComResInterfaceDescr)); - } else - saa7164_dump_intfdesc(dev); - - saa7164_dump_busdesc(dev); -} - -static int saa7164_pci_quirks(struct saa7164_dev *dev) -{ - return 0; -} - -static int get_resources(struct saa7164_dev *dev) -{ - if (request_mem_region(pci_resource_start(dev->pci, 0), - pci_resource_len(dev->pci, 0), dev->name)) { - - if (request_mem_region(pci_resource_start(dev->pci, 2), - pci_resource_len(dev->pci, 2), dev->name)) - return 0; - } - - printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx or 0x%llx\n", - dev->name, - (u64)pci_resource_start(dev->pci, 0), - (u64)pci_resource_start(dev->pci, 2)); - - return -EBUSY; -} - -static int saa7164_port_init(struct saa7164_dev *dev, int portnr) -{ - struct saa7164_port *port = NULL; - - if ((portnr < 0) || (portnr >= SAA7164_MAX_PORTS)) - BUG(); - - port = &dev->ports[portnr]; - - port->dev = dev; - port->nr = portnr; - - if ((portnr == SAA7164_PORT_TS1) || (portnr == SAA7164_PORT_TS2)) - port->type = SAA7164_MPEG_DVB; - else - if ((portnr == SAA7164_PORT_ENC1) || (portnr == SAA7164_PORT_ENC2)) { - port->type = SAA7164_MPEG_ENCODER; - - /* We need a deferred interrupt handler for cmd handling */ - INIT_WORK(&port->workenc, saa7164_work_enchandler); - } else if ((portnr == SAA7164_PORT_VBI1) || (portnr == SAA7164_PORT_VBI2)) { - port->type = SAA7164_MPEG_VBI; - - /* We need a deferred interrupt handler for cmd handling */ - INIT_WORK(&port->workenc, saa7164_work_vbihandler); - } else - BUG(); - - /* Init all the critical resources */ - mutex_init(&port->dvb.lock); - INIT_LIST_HEAD(&port->dmaqueue.list); - mutex_init(&port->dmaqueue_lock); - - INIT_LIST_HEAD(&port->list_buf_used.list); - INIT_LIST_HEAD(&port->list_buf_free.list); - init_waitqueue_head(&port->wait_read); - - - saa7164_histogram_reset(&port->irq_interval, "irq intervals"); - saa7164_histogram_reset(&port->svc_interval, "deferred intervals"); - saa7164_histogram_reset(&port->irq_svc_interval, - "irq to deferred intervals"); - saa7164_histogram_reset(&port->read_interval, - "encoder/vbi read() intervals"); - saa7164_histogram_reset(&port->poll_interval, - "encoder/vbi poll() intervals"); - - return 0; -} - -static int saa7164_dev_setup(struct saa7164_dev *dev) -{ - int i; - - mutex_init(&dev->lock); - atomic_inc(&dev->refcount); - dev->nr = saa7164_devcount++; - - snprintf(dev->name, sizeof(dev->name), "saa7164[%d]", dev->nr); - - mutex_lock(&devlist); - list_add_tail(&dev->devlist, &saa7164_devlist); - mutex_unlock(&devlist); - - /* board config */ - dev->board = UNSET; - if (card[dev->nr] < saa7164_bcount) - dev->board = card[dev->nr]; - - for (i = 0; UNSET == dev->board && i < saa7164_idcount; i++) - if (dev->pci->subsystem_vendor == saa7164_subids[i].subvendor && - dev->pci->subsystem_device == - saa7164_subids[i].subdevice) - dev->board = saa7164_subids[i].card; - - if (UNSET == dev->board) { - dev->board = SAA7164_BOARD_UNKNOWN; - saa7164_card_list(dev); - } - - dev->pci_bus = dev->pci->bus->number; - dev->pci_slot = PCI_SLOT(dev->pci->devfn); - - /* I2C Defaults / setup */ - dev->i2c_bus[0].dev = dev; - dev->i2c_bus[0].nr = 0; - dev->i2c_bus[1].dev = dev; - dev->i2c_bus[1].nr = 1; - dev->i2c_bus[2].dev = dev; - dev->i2c_bus[2].nr = 2; - - /* Transport + Encoder ports 1, 2, 3, 4 - Defaults / setup */ - saa7164_port_init(dev, SAA7164_PORT_TS1); - saa7164_port_init(dev, SAA7164_PORT_TS2); - saa7164_port_init(dev, SAA7164_PORT_ENC1); - saa7164_port_init(dev, SAA7164_PORT_ENC2); - saa7164_port_init(dev, SAA7164_PORT_VBI1); - saa7164_port_init(dev, SAA7164_PORT_VBI2); - - if (get_resources(dev) < 0) { - printk(KERN_ERR "CORE %s No more PCIe resources for " - "subsystem: %04x:%04x\n", - dev->name, dev->pci->subsystem_vendor, - dev->pci->subsystem_device); - - saa7164_devcount--; - return -ENODEV; - } - - /* PCI/e allocations */ - dev->lmmio = ioremap(pci_resource_start(dev->pci, 0), - pci_resource_len(dev->pci, 0)); - - dev->lmmio2 = ioremap(pci_resource_start(dev->pci, 2), - pci_resource_len(dev->pci, 2)); - - dev->bmmio = (u8 __iomem *)dev->lmmio; - dev->bmmio2 = (u8 __iomem *)dev->lmmio2; - - /* Inerrupt and ack register locations offset of bmmio */ - dev->int_status = 0x183000 + 0xf80; - dev->int_ack = 0x183000 + 0xf90; - - printk(KERN_INFO - "CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", - dev->name, dev->pci->subsystem_vendor, - dev->pci->subsystem_device, saa7164_boards[dev->board].name, - dev->board, card[dev->nr] == dev->board ? - "insmod option" : "autodetected"); - - saa7164_pci_quirks(dev); - - return 0; -} - -static void saa7164_dev_unregister(struct saa7164_dev *dev) -{ - dprintk(1, "%s()\n", __func__); - - release_mem_region(pci_resource_start(dev->pci, 0), - pci_resource_len(dev->pci, 0)); - - release_mem_region(pci_resource_start(dev->pci, 2), - pci_resource_len(dev->pci, 2)); - - if (!atomic_dec_and_test(&dev->refcount)) - return; - - iounmap(dev->lmmio); - iounmap(dev->lmmio2); - - return; -} - -#ifdef CONFIG_PROC_FS -static int saa7164_proc_show(struct seq_file *m, void *v) -{ - struct saa7164_dev *dev; - struct tmComResBusInfo *b; - struct list_head *list; - int i, c; - - if (saa7164_devcount == 0) - return 0; - - list_for_each(list, &saa7164_devlist) { - dev = list_entry(list, struct saa7164_dev, devlist); - seq_printf(m, "%s = %p\n", dev->name, dev); - - /* Lock the bus from any other access */ - b = &dev->bus; - mutex_lock(&b->lock); - - seq_printf(m, " .m_pdwSetWritePos = 0x%x (0x%08x)\n", - b->m_dwSetReadPos, saa7164_readl(b->m_dwSetReadPos)); - - seq_printf(m, " .m_pdwSetReadPos = 0x%x (0x%08x)\n", - b->m_dwSetWritePos, saa7164_readl(b->m_dwSetWritePos)); - - seq_printf(m, " .m_pdwGetWritePos = 0x%x (0x%08x)\n", - b->m_dwGetReadPos, saa7164_readl(b->m_dwGetReadPos)); - - seq_printf(m, " .m_pdwGetReadPos = 0x%x (0x%08x)\n", - b->m_dwGetWritePos, saa7164_readl(b->m_dwGetWritePos)); - c = 0; - seq_printf(m, "\n Set Ring:\n"); - seq_printf(m, "\n addr 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n"); - for (i = 0; i < b->m_dwSizeSetRing; i++) { - if (c == 0) - seq_printf(m, " %04x:", i); - - seq_printf(m, " %02x", *(b->m_pdwSetRing + i)); - - if (++c == 16) { - seq_printf(m, "\n"); - c = 0; - } - } - - c = 0; - seq_printf(m, "\n Get Ring:\n"); - seq_printf(m, "\n addr 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n"); - for (i = 0; i < b->m_dwSizeGetRing; i++) { - if (c == 0) - seq_printf(m, " %04x:", i); - - seq_printf(m, " %02x", *(b->m_pdwGetRing + i)); - - if (++c == 16) { - seq_printf(m, "\n"); - c = 0; - } - } - - mutex_unlock(&b->lock); - - } - - return 0; -} - -static int saa7164_proc_open(struct inode *inode, struct file *filp) -{ - return single_open(filp, saa7164_proc_show, NULL); -} - -static const struct file_operations saa7164_proc_fops = { - .open = saa7164_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int saa7164_proc_create(void) -{ - struct proc_dir_entry *pe; - - pe = proc_create("saa7164", S_IRUGO, NULL, &saa7164_proc_fops); - if (!pe) - return -ENOMEM; - - return 0; -} -#endif - -static int saa7164_thread_function(void *data) -{ - struct saa7164_dev *dev = data; - struct tmFwInfoStruct fwinfo; - u64 last_poll_time = 0; - - dprintk(DBGLVL_THR, "thread started\n"); - - set_freezable(); - - while (1) { - msleep_interruptible(100); - if (kthread_should_stop()) - break; - try_to_freeze(); - - dprintk(DBGLVL_THR, "thread running\n"); - - /* Dump the firmware debug message to console */ - /* Polling this costs us 1-2% of the arm CPU */ - /* convert this into a respnde to interrupt 0x7a */ - saa7164_api_collect_debug(dev); - - /* Monitor CPU load every 1 second */ - if ((last_poll_time + 1000 /* ms */) < jiffies_to_msecs(jiffies)) { - saa7164_api_get_load_info(dev, &fwinfo); - last_poll_time = jiffies_to_msecs(jiffies); - } - - } - - dprintk(DBGLVL_THR, "thread exiting\n"); - return 0; -} - -static int __devinit saa7164_initdev(struct pci_dev *pci_dev, - const struct pci_device_id *pci_id) -{ - struct saa7164_dev *dev; - int err, i; - u32 version; - - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (NULL == dev) - return -ENOMEM; - - /* pci init */ - dev->pci = pci_dev; - if (pci_enable_device(pci_dev)) { - err = -EIO; - goto fail_free; - } - - if (saa7164_dev_setup(dev) < 0) { - err = -EINVAL; - goto fail_free; - } - - /* print pci info */ - dev->pci_rev = pci_dev->revision; - 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)pci_resource_start(pci_dev, 0)); - - pci_set_master(pci_dev); - /* TODO */ - 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, saa7164_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); - err = -EIO; - goto fail_irq; - } - - pci_set_drvdata(pci_dev, dev); - - /* Init the internal command list */ - for (i = 0; i < SAA_CMD_MAX_MSG_UNITS; i++) { - dev->cmds[i].seqno = i; - dev->cmds[i].inuse = 0; - mutex_init(&dev->cmds[i].lock); - init_waitqueue_head(&dev->cmds[i].wait); - } - - /* We need a deferred interrupt handler for cmd handling */ - INIT_WORK(&dev->workcmd, saa7164_work_cmdhandler); - - /* Only load the firmware if we know the board */ - if (dev->board != SAA7164_BOARD_UNKNOWN) { - - err = saa7164_downloadfirmware(dev); - if (err < 0) { - printk(KERN_ERR - "Failed to boot firmware, no features " - "registered\n"); - goto fail_fw; - } - - saa7164_get_descriptors(dev); - saa7164_dumpregs(dev, 0); - saa7164_getcurrentfirmwareversion(dev); - saa7164_getfirmwarestatus(dev); - err = saa7164_bus_setup(dev); - if (err < 0) - printk(KERN_ERR - "Failed to setup the bus, will continue\n"); - saa7164_bus_dump(dev); - - /* Ping the running firmware via the command bus and get the - * firmware version, this checks the bus is running OK. - */ - version = 0; - if (saa7164_api_get_fw_version(dev, &version) == SAA_OK) - dprintk(1, "Bus is operating correctly using " - "version %d.%d.%d.%d (0x%x)\n", - (version & 0x0000fc00) >> 10, - (version & 0x000003e0) >> 5, - (version & 0x0000001f), - (version & 0xffff0000) >> 16, - version); - else - printk(KERN_ERR - "Failed to communicate with the firmware\n"); - - /* Bring up the I2C buses */ - saa7164_i2c_register(&dev->i2c_bus[0]); - saa7164_i2c_register(&dev->i2c_bus[1]); - saa7164_i2c_register(&dev->i2c_bus[2]); - saa7164_gpio_setup(dev); - saa7164_card_setup(dev); - - /* Parse the dynamic device configuration, find various - * media endpoints (MPEG, WMV, PS, TS) and cache their - * configuration details into the driver, so we can - * reference them later during simething_register() func, - * interrupt handlers, deferred work handlers etc. - */ - saa7164_api_enum_subdevs(dev); - - /* Begin to create the video sub-systems and register funcs */ - if (saa7164_boards[dev->board].porta == SAA7164_MPEG_DVB) { - if (saa7164_dvb_register(&dev->ports[SAA7164_PORT_TS1]) < 0) { - printk(KERN_ERR "%s() Failed to register " - "dvb adapters on porta\n", - __func__); - } - } - - if (saa7164_boards[dev->board].portb == SAA7164_MPEG_DVB) { - if (saa7164_dvb_register(&dev->ports[SAA7164_PORT_TS2]) < 0) { - printk(KERN_ERR"%s() Failed to register " - "dvb adapters on portb\n", - __func__); - } - } - - if (saa7164_boards[dev->board].portc == SAA7164_MPEG_ENCODER) { - if (saa7164_encoder_register(&dev->ports[SAA7164_PORT_ENC1]) < 0) { - printk(KERN_ERR"%s() Failed to register " - "mpeg encoder\n", __func__); - } - } - - if (saa7164_boards[dev->board].portd == SAA7164_MPEG_ENCODER) { - if (saa7164_encoder_register(&dev->ports[SAA7164_PORT_ENC2]) < 0) { - printk(KERN_ERR"%s() Failed to register " - "mpeg encoder\n", __func__); - } - } - - if (saa7164_boards[dev->board].porte == SAA7164_MPEG_VBI) { - if (saa7164_vbi_register(&dev->ports[SAA7164_PORT_VBI1]) < 0) { - printk(KERN_ERR"%s() Failed to register " - "vbi device\n", __func__); - } - } - - if (saa7164_boards[dev->board].portf == SAA7164_MPEG_VBI) { - if (saa7164_vbi_register(&dev->ports[SAA7164_PORT_VBI2]) < 0) { - printk(KERN_ERR"%s() Failed to register " - "vbi device\n", __func__); - } - } - saa7164_api_set_debug(dev, fw_debug); - - if (fw_debug) { - dev->kthread = kthread_run(saa7164_thread_function, dev, - "saa7164 debug"); - if (!dev->kthread) - printk(KERN_ERR "%s() Failed to create " - "debug kernel thread\n", __func__); - } - - } /* != BOARD_UNKNOWN */ - else - printk(KERN_ERR "%s() Unsupported board detected, " - "registering without firmware\n", __func__); - - dprintk(1, "%s() parameter debug = %d\n", __func__, saa_debug); - dprintk(1, "%s() parameter waitsecs = %d\n", __func__, waitsecs); - -fail_fw: - return 0; - -fail_irq: - saa7164_dev_unregister(dev); -fail_free: - kfree(dev); - return err; -} - -static void saa7164_shutdown(struct saa7164_dev *dev) -{ - dprintk(1, "%s()\n", __func__); -} - -static void __devexit saa7164_finidev(struct pci_dev *pci_dev) -{ - struct saa7164_dev *dev = pci_get_drvdata(pci_dev); - - if (dev->board != SAA7164_BOARD_UNKNOWN) { - if (fw_debug && dev->kthread) { - kthread_stop(dev->kthread); - dev->kthread = NULL; - } - if (dev->firmwareloaded) - saa7164_api_set_debug(dev, 0x00); - } - - saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1], - &dev->ports[SAA7164_PORT_ENC1].irq_interval); - saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1], - &dev->ports[SAA7164_PORT_ENC1].svc_interval); - saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1], - &dev->ports[SAA7164_PORT_ENC1].irq_svc_interval); - saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1], - &dev->ports[SAA7164_PORT_ENC1].read_interval); - saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1], - &dev->ports[SAA7164_PORT_ENC1].poll_interval); - saa7164_histogram_print(&dev->ports[SAA7164_PORT_VBI1], - &dev->ports[SAA7164_PORT_VBI1].read_interval); - saa7164_histogram_print(&dev->ports[SAA7164_PORT_VBI2], - &dev->ports[SAA7164_PORT_VBI2].poll_interval); - - saa7164_shutdown(dev); - - if (saa7164_boards[dev->board].porta == SAA7164_MPEG_DVB) - saa7164_dvb_unregister(&dev->ports[SAA7164_PORT_TS1]); - - if (saa7164_boards[dev->board].portb == SAA7164_MPEG_DVB) - saa7164_dvb_unregister(&dev->ports[SAA7164_PORT_TS2]); - - if (saa7164_boards[dev->board].portc == SAA7164_MPEG_ENCODER) - saa7164_encoder_unregister(&dev->ports[SAA7164_PORT_ENC1]); - - if (saa7164_boards[dev->board].portd == SAA7164_MPEG_ENCODER) - saa7164_encoder_unregister(&dev->ports[SAA7164_PORT_ENC2]); - - if (saa7164_boards[dev->board].porte == SAA7164_MPEG_VBI) - saa7164_vbi_unregister(&dev->ports[SAA7164_PORT_VBI1]); - - if (saa7164_boards[dev->board].portf == SAA7164_MPEG_VBI) - saa7164_vbi_unregister(&dev->ports[SAA7164_PORT_VBI2]); - - saa7164_i2c_unregister(&dev->i2c_bus[0]); - saa7164_i2c_unregister(&dev->i2c_bus[1]); - saa7164_i2c_unregister(&dev->i2c_bus[2]); - - pci_disable_device(pci_dev); - - /* unregister stuff */ - free_irq(pci_dev->irq, dev); - pci_set_drvdata(pci_dev, NULL); - - mutex_lock(&devlist); - list_del(&dev->devlist); - mutex_unlock(&devlist); - - saa7164_dev_unregister(dev); - kfree(dev); -} - -static struct pci_device_id saa7164_pci_tbl[] = { - { - /* SAA7164 */ - .vendor = 0x1131, - .device = 0x7164, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - }, { - /* --- end of list --- */ - } -}; -MODULE_DEVICE_TABLE(pci, saa7164_pci_tbl); - -static struct pci_driver saa7164_pci_driver = { - .name = "saa7164", - .id_table = saa7164_pci_tbl, - .probe = saa7164_initdev, - .remove = __devexit_p(saa7164_finidev), - /* TODO */ - .suspend = NULL, - .resume = NULL, -}; - -static int __init saa7164_init(void) -{ - printk(KERN_INFO "saa7164 driver loaded\n"); - -#ifdef CONFIG_PROC_FS - saa7164_proc_create(); -#endif - return pci_register_driver(&saa7164_pci_driver); -} - -static void __exit saa7164_fini(void) -{ -#ifdef CONFIG_PROC_FS - remove_proc_entry("saa7164", NULL); -#endif - pci_unregister_driver(&saa7164_pci_driver); -} - -module_init(saa7164_init); -module_exit(saa7164_fini); - |