diff options
author | Manu Abraham <abraham.manu@gmail.com> | 2009-12-04 08:39:57 (GMT) |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-01-17 13:55:42 (GMT) |
commit | add206368462434ba97e8fe4de98e5d47ffdb0a0 (patch) | |
tree | 04ab626b19b2c74683500ec26abd6af1b074ea37 /drivers/media | |
parent | ec1b6ff1cce9d406a9a5f84a1d1205328f2c515a (diff) | |
download | linux-fsl-qoriq-add206368462434ba97e8fe4de98e5d47ffdb0a0.tar.xz |
V4L/DVB (13794): [Mantis/VP-3028] Initial go at Serial interface implementation, add support for VP-3028
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/dvb/mantis/Makefile | 2 | ||||
-rw-r--r-- | drivers/media/dvb/mantis/mantis_common.h | 10 | ||||
-rw-r--r-- | drivers/media/dvb/mantis/mantis_core.c | 8 | ||||
-rw-r--r-- | drivers/media/dvb/mantis/mantis_pci.c | 2 | ||||
-rw-r--r-- | drivers/media/dvb/mantis/mantis_uart.c | 139 | ||||
-rw-r--r-- | drivers/media/dvb/mantis/mantis_uart.h | 25 | ||||
-rw-r--r-- | drivers/media/dvb/mantis/mantis_vp1033.c | 3 | ||||
-rw-r--r-- | drivers/media/dvb/mantis/mantis_vp1034.c | 3 | ||||
-rw-r--r-- | drivers/media/dvb/mantis/mantis_vp1041.c | 3 | ||||
-rw-r--r-- | drivers/media/dvb/mantis/mantis_vp2033.c | 3 | ||||
-rw-r--r-- | drivers/media/dvb/mantis/mantis_vp2040.c | 3 | ||||
-rw-r--r-- | drivers/media/dvb/mantis/mantis_vp3028.c | 38 | ||||
-rw-r--r-- | drivers/media/dvb/mantis/mantis_vp3028.h | 13 | ||||
-rw-r--r-- | drivers/media/dvb/mantis/mantis_vp3030.c | 3 |
14 files changed, 253 insertions, 2 deletions
diff --git a/drivers/media/dvb/mantis/Makefile b/drivers/media/dvb/mantis/Makefile index d002ef9..bb88cdc 100644 --- a/drivers/media/dvb/mantis/Makefile +++ b/drivers/media/dvb/mantis/Makefile @@ -1,4 +1,5 @@ mantis-objs = mantis_core.o \ + mantis_uart.o \ mantis_dma.o \ mantis_pci.o \ mantis_i2c.o \ @@ -12,6 +13,7 @@ mantis-objs = mantis_core.o \ mantis_vp1041.o \ mantis_vp2033.o \ mantis_vp2040.o \ + mantis_vp3028.o \ mantis_vp3030.o obj-$(CONFIG_DVB_MANTIS) += mantis.o diff --git a/drivers/media/dvb/mantis/mantis_common.h b/drivers/media/dvb/mantis/mantis_common.h index 6b9f92b..6a02adf 100644 --- a/drivers/media/dvb/mantis/mantis_common.h +++ b/drivers/media/dvb/mantis/mantis_common.h @@ -26,6 +26,7 @@ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/mutex.h> +#include <linux/workqueue.h> #include "dvbdev.h" #include "dvb_demux.h" @@ -34,6 +35,7 @@ #include "dvb_net.h" #include <linux/i2c.h> #include "mantis_reg.h" +#include "mantis_uart.h" #include "mantis_link.h" @@ -74,6 +76,10 @@ struct mantis_hwconfig { char *model_name; char *dev_type; u32 ts_size; + + enum mantis_baud baud_rate; + enum mantis_parity parity; + u32 bytes; }; struct mantis_pci { @@ -142,6 +148,10 @@ struct mantis_pci { u32 gpif_status; struct mantis_ca *mantis_ca; + + wait_queue_head_t uart_wq; + struct work_struct uart_work; + spinlock_t uart_lock; }; #define MANTIS_HIF_STATUS (mantis->gpio_status) diff --git a/drivers/media/dvb/mantis/mantis_core.c b/drivers/media/dvb/mantis/mantis_core.c index c3d0d53..52b3e9e 100644 --- a/drivers/media/dvb/mantis/mantis_core.c +++ b/drivers/media/dvb/mantis/mantis_core.c @@ -165,6 +165,10 @@ int mantis_core_init(struct mantis_pci *mantis) dprintk(verbose, MANTIS_DEBUG, 1, "Mantis DVB init failed"); return err; } + if ((err = mantis_uart_init(mantis)) < 0) { + dprintk(verbose, MANTIS_DEBUG, 1, "Mantis UART init failed"); + return err; + } return 0; } @@ -173,6 +177,10 @@ int mantis_core_exit(struct mantis_pci *mantis) { mantis_dma_stop(mantis); dprintk(verbose, MANTIS_ERROR, 1, "DMA engine stopping"); + + mantis_uart_exit(mantis); + dprintk(verbose, MANTIS_ERROR, 1, "UART exit failed"); + if (mantis_dma_exit(mantis) < 0) dprintk(verbose, MANTIS_ERROR, 1, "DMA exit failed"); if (mantis_dvb_exit(mantis) < 0) diff --git a/drivers/media/dvb/mantis/mantis_pci.c b/drivers/media/dvb/mantis/mantis_pci.c index 94abcee..d1eac40 100644 --- a/drivers/media/dvb/mantis/mantis_pci.c +++ b/drivers/media/dvb/mantis/mantis_pci.c @@ -27,6 +27,7 @@ #include <linux/device.h> #include "mantis_common.h" #include "mantis_core.h" +#include "mantis_uart.h" #include <asm/irq.h> #include <linux/signal.h> @@ -94,6 +95,7 @@ static irqreturn_t mantis_pci_irq(int irq, void *dev_id) } if (stat & MANTIS_INT_IRQ1) { dprintk(verbose, MANTIS_DEBUG, 0, "* INT IRQ-1 *"); + schedule_work(&mantis->uart_work); } if (stat & MANTIS_INT_OCERR) { dprintk(verbose, MANTIS_DEBUG, 0, "* INT OCERR *"); diff --git a/drivers/media/dvb/mantis/mantis_uart.c b/drivers/media/dvb/mantis/mantis_uart.c new file mode 100644 index 0000000..786fcc3 --- /dev/null +++ b/drivers/media/dvb/mantis/mantis_uart.c @@ -0,0 +1,139 @@ +#include <linux/spinlock.h> +#include "mantis_common.h" + +struct mantis_uart_params { + enum mantis_baud baud_rate; + enum mantis_parity parity; +}; + +#define UART_MAX_BUF 16 + +int mantis_uart_read(struct mantis_pci *mantis, u8 *data) +{ + struct mantis_hwconfig *config = mantis->hwconfig; + u32 stat, i; + unsigned long flags; + + /* get data */ + for (i = 0; i < (config->bytes + 1); i++) { + + if (stat & MANTIS_UART_RXFIFO_FULL) { + dprintk(verbose, MANTIS_ERROR, 1, "RX Fifo FULL"); + } + data[i] = mmread(MANTIS_UART_RXD) & 0x3f; + + stat = mmread(MANTIS_UART_STAT); + + dprintk(verbose, MANTIS_DEBUG, 1, "Reading ... <%02x>", data[i] & 0x3f); + + if (data[i] & (1 << 7)) { + dprintk(verbose, MANTIS_ERROR, 1, "UART framing error"); + return -EINVAL; + } + if (data[i] & (1 << 6)) { + dprintk(verbose, MANTIS_ERROR, 1, "UART parity error"); + return -EINVAL; + } + } + + return 0; +} + +static void mantis_uart_work(struct work_struct *work) +{ + struct mantis_pci *mantis = container_of(work, struct mantis_pci, uart_work); + struct mantis_hwconfig *config = mantis->hwconfig; + u8 buf[16]; + int i; + + dprintk(verbose, MANTIS_DEBUG, 1, "UART read"); + mantis_uart_read(mantis, buf); + + dprintk(verbose, MANTIS_DEBUG, 1, "UART: "); + for (i = 0; i < (config->bytes + 1); i++) + dprintk(verbose, MANTIS_DEBUG, 0, "<%02x> ", buf[i]); + + dprintk(verbose, MANTIS_DEBUG, 0, "\n"); +} + +static int mantis_uart_setup(struct mantis_pci *mantis, + struct mantis_uart_params *params) +{ + char* rates[] = { "B_9600", "B_19200", "B_38400", "B_57600", "B_115200" }; + char* parity[] = { "NONE", "ODD", "EVEN" }; + + u32 reg; + + dprintk(verbose, MANTIS_DEBUG, 1, "Set Parity <%s> Baud Rate <%s>", + parity[params->parity], + rates[params->baud_rate]); + + mmwrite((mmread(MANTIS_UART_CTL) | (params->parity & 0x3)), MANTIS_UART_CTL); + + reg = mmread(MANTIS_UART_BAUD); + + switch (params->baud_rate) { + case MANTIS_BAUD_9600: + reg |= 0xd8; + break; + case MANTIS_BAUD_19200: + reg |= 0x6c; + break; + case MANTIS_BAUD_38400: + reg |= 0x36; + break; + case MANTIS_BAUD_57600: + reg |= 0x23; + break; + case MANTIS_BAUD_115200: + reg |= 0x11; + break; + default: + return -EINVAL; + } + + mmwrite(reg, MANTIS_UART_BAUD); + + return 0; +} + +int mantis_uart_init(struct mantis_pci *mantis) +{ + struct mantis_hwconfig *config = mantis->hwconfig; + struct mantis_uart_params params; + + dprintk(verbose, MANTIS_DEBUG, 1, "Initializing UART .."); + /* default parity: */ + params.baud_rate = config->baud_rate; + params.parity = config->parity; + + init_waitqueue_head(&mantis->uart_wq); + spin_lock_init(&mantis->uart_lock); + + INIT_WORK(&mantis->uart_work, mantis_uart_work); + + /* disable interrupt */ + mmwrite(mmread(MANTIS_UART_CTL) & 0xffef, MANTIS_UART_CTL); + + mantis_uart_setup(mantis, ¶ms); + + /* default 1 byte */ + mmwrite((mmread(MANTIS_UART_BAUD) | (config->bytes << 8)), MANTIS_UART_BAUD); + + /* flush buffer */ + mmwrite((mmread(MANTIS_UART_CTL) | MANTIS_UART_RXFLUSH), MANTIS_UART_CTL); + + /* enable interrupt */ + mmwrite(mmread(MANTIS_INT_MASK) | 0x800, MANTIS_INT_MASK); + mmwrite(mmread(MANTIS_UART_CTL) | MANTIS_UART_RXINT, MANTIS_UART_CTL); + + schedule_work(&mantis->uart_work); + + return 0; +} + +void mantis_uart_exit(struct mantis_pci *mantis) +{ + /* disable interrupt */ + mmwrite(mmread(MANTIS_UART_CTL) & 0xffef, MANTIS_UART_CTL); +} diff --git a/drivers/media/dvb/mantis/mantis_uart.h b/drivers/media/dvb/mantis/mantis_uart.h index 6113863..e9f938d 100644 --- a/drivers/media/dvb/mantis/mantis_uart.h +++ b/drivers/media/dvb/mantis/mantis_uart.h @@ -21,6 +21,21 @@ #ifndef __MANTIS_UART_H #define __MANTIS_UART_H +#define MANTIS_UART_CTL 0xe0 +#define MANTIS_UART_RXINT (1 << 4) +#define MANTIS_UART_RXFLUSH (1 << 2) + +#define MANTIS_UART_RXD 0xe8 +#define MANTIS_UART_BAUD 0xec + +#define MANTIS_UART_STAT 0xf0 +#define MANTIS_UART_RXFIFO_DATA (1 << 7) +#define MANTIS_UART_RXFIFO_EMPTY (1 << 6) +#define MANTIS_UART_RXFIFO_FULL (1 << 3) +#define MANTIS_UART_FRAME_ERR (1 << 2) +#define MANTIS_UART_PARITY_ERR (1 << 1) +#define MANTIS_UART_RXTHRESH_INT (1 << 0) + enum mantis_baud { MANTIS_BAUD_9600 = 0, MANTIS_BAUD_19200, @@ -30,9 +45,15 @@ enum mantis_baud { }; enum mantis_parity { - MANTIS_PARITY_NONE = 0, + MANTIS_PARITY_UNDEFINED = 0, MANTIS_PARITY_EVEN, - MANTIS_PARITY_ODD + MANTIS_PARITY_ODD, + MANTIS_PARITY_NONE }; +struct mantis_pci; + +extern int mantis_uart_init(struct mantis_pci *mantis); +extern void mantis_uart_exit(struct mantis_pci *mantis); + #endif // __MANTIS_UART_H diff --git a/drivers/media/dvb/mantis/mantis_vp1033.c b/drivers/media/dvb/mantis/mantis_vp1033.c index 797c4e0..64cdfb8 100644 --- a/drivers/media/dvb/mantis/mantis_vp1033.c +++ b/drivers/media/dvb/mantis/mantis_vp1033.c @@ -88,6 +88,9 @@ struct mantis_hwconfig vp1033_mantis_config = { .model_name = MANTIS_MODEL_NAME, .dev_type = MANTIS_DEV_TYPE, .ts_size = MANTIS_TS_204, + .baud_rate = MANTIS_BAUD_9600, + .parity = MANTIS_PARITY_NONE, + .bytes = 0, }; int lgtdqcs001f_tuner_set(struct dvb_frontend *fe, diff --git a/drivers/media/dvb/mantis/mantis_vp1034.c b/drivers/media/dvb/mantis/mantis_vp1034.c index a2fe9d4..28f3420 100644 --- a/drivers/media/dvb/mantis/mantis_vp1034.c +++ b/drivers/media/dvb/mantis/mantis_vp1034.c @@ -33,6 +33,9 @@ struct mantis_hwconfig vp1034_mantis_config = { .model_name = MANTIS_MODEL_NAME, .dev_type = MANTIS_DEV_TYPE, .ts_size = MANTIS_TS_204, + .baud_rate = MANTIS_BAUD_9600, + .parity = MANTIS_PARITY_NONE, + .bytes = 0, }; int vp1034_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) diff --git a/drivers/media/dvb/mantis/mantis_vp1041.c b/drivers/media/dvb/mantis/mantis_vp1041.c index 8eb1afd..90df80b 100644 --- a/drivers/media/dvb/mantis/mantis_vp1041.c +++ b/drivers/media/dvb/mantis/mantis_vp1041.c @@ -31,6 +31,9 @@ struct mantis_hwconfig vp1041_mantis_config = { .model_name = MANTIS_MODEL_NAME, .dev_type = MANTIS_DEV_TYPE, .ts_size = MANTIS_TS_188, + .baud_rate = MANTIS_BAUD_9600, + .parity = MANTIS_PARITY_NONE, + .bytes = 0, }; static const struct stb0899_s1_reg vp1041_stb0899_s1_init_1[] = { diff --git a/drivers/media/dvb/mantis/mantis_vp2033.c b/drivers/media/dvb/mantis/mantis_vp2033.c index 4664d29..1171e69 100644 --- a/drivers/media/dvb/mantis/mantis_vp2033.c +++ b/drivers/media/dvb/mantis/mantis_vp2033.c @@ -28,6 +28,9 @@ struct mantis_hwconfig vp2033_mantis_config = { .model_name = MANTIS_MODEL_NAME, .dev_type = MANTIS_DEV_TYPE, .ts_size = MANTIS_TS_204, + .baud_rate = MANTIS_BAUD_9600, + .parity = MANTIS_PARITY_NONE, + .bytes = 0, }; struct tda1002x_config philips_cu1216_config = { diff --git a/drivers/media/dvb/mantis/mantis_vp2040.c b/drivers/media/dvb/mantis/mantis_vp2040.c index f77be7b..ce73d6b 100644 --- a/drivers/media/dvb/mantis/mantis_vp2040.c +++ b/drivers/media/dvb/mantis/mantis_vp2040.c @@ -28,6 +28,9 @@ struct mantis_hwconfig vp2040_mantis_config = { .model_name = MANTIS_MODEL_NAME, .dev_type = MANTIS_DEV_TYPE, .ts_size = MANTIS_TS_204, + .baud_rate = MANTIS_BAUD_9600, + .parity = MANTIS_PARITY_NONE, + .bytes = 0, }; struct tda10023_config tda10023_cu1216_config = { diff --git a/drivers/media/dvb/mantis/mantis_vp3028.c b/drivers/media/dvb/mantis/mantis_vp3028.c new file mode 100644 index 0000000..7f8918c --- /dev/null +++ b/drivers/media/dvb/mantis/mantis_vp3028.c @@ -0,0 +1,38 @@ +/* + Mantis VP-3028 driver + + Copyright (C) 2005, 2006 Manu Abraham (abraham.manu@gmail.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 "mantis_common.h" +#include "mantis_vp3028.h" + +struct zl10353_config mantis_vp3028_config = { + .demod_address = 0x0f, +}; + +#define MANTIS_MODEL_NAME "VP-3028" +#define MANTIS_DEV_TYPE "DVB-T" + +struct mantis_hwconfig vp3028_mantis_config = { + .model_name = MANTIS_MODEL_NAME, + .dev_type = MANTIS_DEV_TYPE, + .ts_size = MANTIS_TS_188, + .baud_rate = MANTIS_BAUD_9600, + .parity = MANTIS_PARITY_NONE, + .bytes = 0, +}; diff --git a/drivers/media/dvb/mantis/mantis_vp3028.h b/drivers/media/dvb/mantis/mantis_vp3028.h new file mode 100644 index 0000000..c51628d --- /dev/null +++ b/drivers/media/dvb/mantis/mantis_vp3028.h @@ -0,0 +1,13 @@ +#ifndef __MANTIS_VP3028_H +#define __MANTIS_VP3028_H + +#include "dvb_frontend.h" +#include "mantis_common.h" +#include "zl10353.h" + +#define MANTIS_VP_3028_DVB_T 0x0028 + +extern struct zl10353_config mantis_vp3028_config; +extern struct mantis_hwconfig vp3028_mantis_config; + +#endif /* __MANTIS_VP3028_H */ diff --git a/drivers/media/dvb/mantis/mantis_vp3030.c b/drivers/media/dvb/mantis/mantis_vp3030.c index cab092c..9ca8040 100644 --- a/drivers/media/dvb/mantis/mantis_vp3030.c +++ b/drivers/media/dvb/mantis/mantis_vp3030.c @@ -32,6 +32,9 @@ struct mantis_hwconfig vp3030_mantis_config = { .model_name = MANTIS_MODEL_NAME, .dev_type = MANTIS_DEV_TYPE, .ts_size = MANTIS_TS_188, + .baud_rate = MANTIS_BAUD_9600, + .parity = MANTIS_PARITY_NONE, + .bytes = 0, }; int panasonic_en57h12d5_set_params(struct dvb_frontend *fe, |