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WSL2-Linux-Kernel/drivers/media/usb/cx231xx/cx231xx-417.c

1997 строки
53 KiB
C
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/*
*
* Support for a cx23417 mpeg encoder via cx231xx host port.
*
* (c) 2004 Jelle Foks <jelle@foks.us>
* (c) 2004 Gerd Knorr <kraxel@bytesex.org>
* (c) 2008 Steven Toth <stoth@linuxtv.org>
* - CX23885/7/8 support
*
* Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
*
* 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/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/firmware.h>
#include <linux/vmalloc.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-event.h>
#include <media/cx2341x.h>
#include <media/tuner.h>
#include <linux/usb.h>
#include "cx231xx.h"
#define CX231xx_FIRM_IMAGE_SIZE 376836
#define CX231xx_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw"
/* for polaris ITVC */
#define ITVC_WRITE_DIR 0x03FDFC00
#define ITVC_READ_DIR 0x0001FC00
#define MCI_MEMORY_DATA_BYTE0 0x00
#define MCI_MEMORY_DATA_BYTE1 0x08
#define MCI_MEMORY_DATA_BYTE2 0x10
#define MCI_MEMORY_DATA_BYTE3 0x18
#define MCI_MEMORY_ADDRESS_BYTE2 0x20
#define MCI_MEMORY_ADDRESS_BYTE1 0x28
#define MCI_MEMORY_ADDRESS_BYTE0 0x30
#define MCI_REGISTER_DATA_BYTE0 0x40
#define MCI_REGISTER_DATA_BYTE1 0x48
#define MCI_REGISTER_DATA_BYTE2 0x50
#define MCI_REGISTER_DATA_BYTE3 0x58
#define MCI_REGISTER_ADDRESS_BYTE0 0x60
#define MCI_REGISTER_ADDRESS_BYTE1 0x68
#define MCI_REGISTER_MODE 0x70
/* Read and write modes for polaris ITVC */
#define MCI_MODE_REGISTER_READ 0x000
#define MCI_MODE_REGISTER_WRITE 0x100
#define MCI_MODE_MEMORY_READ 0x000
#define MCI_MODE_MEMORY_WRITE 0x4000
static unsigned int mpegbufs = 8;
module_param(mpegbufs, int, 0644);
MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32");
static unsigned int mpeglines = 128;
module_param(mpeglines, int, 0644);
MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32");
static unsigned int mpeglinesize = 512;
module_param(mpeglinesize, int, 0644);
MODULE_PARM_DESC(mpeglinesize,
"number of bytes in each line of an MPEG buffer, range 512-1024");
static unsigned int v4l_debug = 1;
module_param(v4l_debug, int, 0644);
MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages");
#define dprintk(level, fmt, arg...)\
do { if (v4l_debug >= level) \
pr_info("%s: " fmt, \
(dev) ? dev->name : "cx231xx[?]", ## arg); \
} while (0)
static struct cx231xx_tvnorm cx231xx_tvnorms[] = {
{
.name = "NTSC-M",
.id = V4L2_STD_NTSC_M,
}, {
.name = "NTSC-JP",
.id = V4L2_STD_NTSC_M_JP,
}, {
.name = "PAL-BG",
.id = V4L2_STD_PAL_BG,
}, {
.name = "PAL-DK",
.id = V4L2_STD_PAL_DK,
}, {
.name = "PAL-I",
.id = V4L2_STD_PAL_I,
}, {
.name = "PAL-M",
.id = V4L2_STD_PAL_M,
}, {
.name = "PAL-N",
.id = V4L2_STD_PAL_N,
}, {
.name = "PAL-Nc",
.id = V4L2_STD_PAL_Nc,
}, {
.name = "PAL-60",
.id = V4L2_STD_PAL_60,
}, {
.name = "SECAM-L",
.id = V4L2_STD_SECAM_L,
}, {
.name = "SECAM-DK",
.id = V4L2_STD_SECAM_DK,
}
};
/* ------------------------------------------------------------------ */
enum cx231xx_capture_type {
CX231xx_MPEG_CAPTURE,
CX231xx_RAW_CAPTURE,
CX231xx_RAW_PASSTHRU_CAPTURE
};
enum cx231xx_capture_bits {
CX231xx_RAW_BITS_NONE = 0x00,
CX231xx_RAW_BITS_YUV_CAPTURE = 0x01,
CX231xx_RAW_BITS_PCM_CAPTURE = 0x02,
CX231xx_RAW_BITS_VBI_CAPTURE = 0x04,
CX231xx_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
CX231xx_RAW_BITS_TO_HOST_CAPTURE = 0x10
};
enum cx231xx_capture_end {
CX231xx_END_AT_GOP, /* stop at the end of gop, generate irq */
CX231xx_END_NOW, /* stop immediately, no irq */
};
enum cx231xx_framerate {
CX231xx_FRAMERATE_NTSC_30, /* NTSC: 30fps */
CX231xx_FRAMERATE_PAL_25 /* PAL: 25fps */
};
enum cx231xx_stream_port {
CX231xx_OUTPUT_PORT_MEMORY,
CX231xx_OUTPUT_PORT_STREAMING,
CX231xx_OUTPUT_PORT_SERIAL
};
enum cx231xx_data_xfer_status {
CX231xx_MORE_BUFFERS_FOLLOW,
CX231xx_LAST_BUFFER,
};
enum cx231xx_picture_mask {
CX231xx_PICTURE_MASK_NONE,
CX231xx_PICTURE_MASK_I_FRAMES,
CX231xx_PICTURE_MASK_I_P_FRAMES = 0x3,
CX231xx_PICTURE_MASK_ALL_FRAMES = 0x7,
};
enum cx231xx_vbi_mode_bits {
CX231xx_VBI_BITS_SLICED,
CX231xx_VBI_BITS_RAW,
};
enum cx231xx_vbi_insertion_bits {
CX231xx_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
CX231xx_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
CX231xx_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
CX231xx_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
CX231xx_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
};
enum cx231xx_dma_unit {
CX231xx_DMA_BYTES,
CX231xx_DMA_FRAMES,
};
enum cx231xx_dma_transfer_status_bits {
CX231xx_DMA_TRANSFER_BITS_DONE = 0x01,
CX231xx_DMA_TRANSFER_BITS_ERROR = 0x04,
CX231xx_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
};
enum cx231xx_pause {
CX231xx_PAUSE_ENCODING,
CX231xx_RESUME_ENCODING,
};
enum cx231xx_copyright {
CX231xx_COPYRIGHT_OFF,
CX231xx_COPYRIGHT_ON,
};
enum cx231xx_notification_type {
CX231xx_NOTIFICATION_REFRESH,
};
enum cx231xx_notification_status {
CX231xx_NOTIFICATION_OFF,
CX231xx_NOTIFICATION_ON,
};
enum cx231xx_notification_mailbox {
CX231xx_NOTIFICATION_NO_MAILBOX = -1,
};
enum cx231xx_field1_lines {
CX231xx_FIELD1_SAA7114 = 0x00EF, /* 239 */
CX231xx_FIELD1_SAA7115 = 0x00F0, /* 240 */
CX231xx_FIELD1_MICRONAS = 0x0105, /* 261 */
};
enum cx231xx_field2_lines {
CX231xx_FIELD2_SAA7114 = 0x00EF, /* 239 */
CX231xx_FIELD2_SAA7115 = 0x00F0, /* 240 */
CX231xx_FIELD2_MICRONAS = 0x0106, /* 262 */
};
enum cx231xx_custom_data_type {
CX231xx_CUSTOM_EXTENSION_USR_DATA,
CX231xx_CUSTOM_PRIVATE_PACKET,
};
enum cx231xx_mute {
CX231xx_UNMUTE,
CX231xx_MUTE,
};
enum cx231xx_mute_video_mask {
CX231xx_MUTE_VIDEO_V_MASK = 0x0000FF00,
CX231xx_MUTE_VIDEO_U_MASK = 0x00FF0000,
CX231xx_MUTE_VIDEO_Y_MASK = 0xFF000000,
};
enum cx231xx_mute_video_shift {
CX231xx_MUTE_VIDEO_V_SHIFT = 8,
CX231xx_MUTE_VIDEO_U_SHIFT = 16,
CX231xx_MUTE_VIDEO_Y_SHIFT = 24,
};
/* defines below are from ivtv-driver.h */
#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
/* Firmware API commands */
#define IVTV_API_STD_TIMEOUT 500
/* Registers */
/* IVTV_REG_OFFSET */
#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8)
#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC)
#define IVTV_REG_SPU (0x9050)
#define IVTV_REG_HW_BLOCKS (0x9054)
#define IVTV_REG_VPU (0x9058)
#define IVTV_REG_APU (0xA064)
/*
* Bit definitions for MC417_RWD and MC417_OEN registers
*
* bits 31-16
*+-----------+
*| Reserved |
*|+-----------+
*| bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8
*|+-------+-------+-------+-------+-------+-------+-------+-------+
*|| MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0|
*|+-------+-------+-------+-------+-------+-------+-------+-------+
*| bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
*|+-------+-------+-------+-------+-------+-------+-------+-------+
*||MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0|
*|+-------+-------+-------+-------+-------+-------+-------+-------+
*/
#define MC417_MIWR 0x8000
#define MC417_MIRD 0x4000
#define MC417_MICS 0x2000
#define MC417_MIRDY 0x1000
#define MC417_MIADDR 0x0F00
#define MC417_MIDATA 0x00FF
/* Bit definitions for MC417_CTL register ****
*bits 31-6 bits 5-4 bit 3 bits 2-1 Bit 0
*+--------+-------------+--------+--------------+------------+
*|Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN|
*+--------+-------------+--------+--------------+------------+
*/
#define MC417_SPD_CTL(x) (((x) << 4) & 0x00000030)
#define MC417_GPIO_SEL(x) (((x) << 1) & 0x00000006)
#define MC417_UART_GPIO_EN 0x00000001
/* Values for speed control */
#define MC417_SPD_CTL_SLOW 0x1
#define MC417_SPD_CTL_MEDIUM 0x0
#define MC417_SPD_CTL_FAST 0x3 /* b'1x, but we use b'11 */
/* Values for GPIO select */
#define MC417_GPIO_SEL_GPIO3 0x3
#define MC417_GPIO_SEL_GPIO2 0x2
#define MC417_GPIO_SEL_GPIO1 0x1
#define MC417_GPIO_SEL_GPIO0 0x0
#define CX23417_GPIO_MASK 0xFC0003FF
static int set_itvc_reg(struct cx231xx *dev, u32 gpio_direction, u32 value)
{
int status = 0;
u32 _gpio_direction = 0;
_gpio_direction = _gpio_direction & CX23417_GPIO_MASK;
_gpio_direction = _gpio_direction | gpio_direction;
status = cx231xx_send_gpio_cmd(dev, _gpio_direction,
(u8 *)&value, 4, 0, 0);
return status;
}
static int get_itvc_reg(struct cx231xx *dev, u32 gpio_direction, u32 *val_ptr)
{
int status = 0;
u32 _gpio_direction = 0;
_gpio_direction = _gpio_direction & CX23417_GPIO_MASK;
_gpio_direction = _gpio_direction | gpio_direction;
status = cx231xx_send_gpio_cmd(dev, _gpio_direction,
(u8 *)val_ptr, 4, 0, 1);
return status;
}
static int wait_for_mci_complete(struct cx231xx *dev)
{
u32 gpio;
u32 gpio_direction = 0;
u8 count = 0;
get_itvc_reg(dev, gpio_direction, &gpio);
while (!(gpio&0x020000)) {
msleep(10);
get_itvc_reg(dev, gpio_direction, &gpio);
if (count++ > 100) {
dprintk(3, "ERROR: Timeout - gpio=%x\n", gpio);
return -1;
}
}
return 0;
}
static int mc417_register_write(struct cx231xx *dev, u16 address, u32 value)
{
u32 temp;
int status = 0;
temp = 0x82 | MCI_REGISTER_DATA_BYTE0 | ((value & 0x000000FF) << 8);
temp = temp << 10;
status = set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
if (status < 0)
return status;
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*write data byte 1;*/
temp = 0x82 | MCI_REGISTER_DATA_BYTE1 | (value & 0x0000FF00);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*write data byte 2;*/
temp = 0x82 | MCI_REGISTER_DATA_BYTE2 | ((value & 0x00FF0000) >> 8);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*write data byte 3;*/
temp = 0x82 | MCI_REGISTER_DATA_BYTE3 | ((value & 0xFF000000) >> 16);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*write address byte 0;*/
temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE0 | ((address & 0x000000FF) << 8);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*write address byte 1;*/
temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE1 | (address & 0x0000FF00);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*Write that the mode is write.*/
temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_WRITE;
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
return wait_for_mci_complete(dev);
}
static int mc417_register_read(struct cx231xx *dev, u16 address, u32 *value)
{
/*write address byte 0;*/
u32 temp;
u32 return_value = 0;
int ret = 0;
temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | ((0x05) << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*write address byte 1;*/
temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE1 | (address & 0xFF00);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | ((0x05) << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*write that the mode is read;*/
temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_READ;
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | ((0x05) << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*wait for the MIRDY line to be asserted ,
signalling that the read is done;*/
ret = wait_for_mci_complete(dev);
/*switch the DATA- GPIO to input mode;*/
/*Read data byte 0;*/
temp = (0x82 | MCI_REGISTER_DATA_BYTE0) << 10;
set_itvc_reg(dev, ITVC_READ_DIR, temp);
temp = ((0x81 | MCI_REGISTER_DATA_BYTE0) << 10);
set_itvc_reg(dev, ITVC_READ_DIR, temp);
get_itvc_reg(dev, ITVC_READ_DIR, &temp);
return_value |= ((temp & 0x03FC0000) >> 18);
set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
/* Read data byte 1;*/
temp = (0x82 | MCI_REGISTER_DATA_BYTE1) << 10;
set_itvc_reg(dev, ITVC_READ_DIR, temp);
temp = ((0x81 | MCI_REGISTER_DATA_BYTE1) << 10);
set_itvc_reg(dev, ITVC_READ_DIR, temp);
get_itvc_reg(dev, ITVC_READ_DIR, &temp);
return_value |= ((temp & 0x03FC0000) >> 10);
set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
/*Read data byte 2;*/
temp = (0x82 | MCI_REGISTER_DATA_BYTE2) << 10;
set_itvc_reg(dev, ITVC_READ_DIR, temp);
temp = ((0x81 | MCI_REGISTER_DATA_BYTE2) << 10);
set_itvc_reg(dev, ITVC_READ_DIR, temp);
get_itvc_reg(dev, ITVC_READ_DIR, &temp);
return_value |= ((temp & 0x03FC0000) >> 2);
set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
/*Read data byte 3;*/
temp = (0x82 | MCI_REGISTER_DATA_BYTE3) << 10;
set_itvc_reg(dev, ITVC_READ_DIR, temp);
temp = ((0x81 | MCI_REGISTER_DATA_BYTE3) << 10);
set_itvc_reg(dev, ITVC_READ_DIR, temp);
get_itvc_reg(dev, ITVC_READ_DIR, &temp);
return_value |= ((temp & 0x03FC0000) << 6);
set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
*value = return_value;
return ret;
}
static int mc417_memory_write(struct cx231xx *dev, u32 address, u32 value)
{
/*write data byte 0;*/
u32 temp;
int ret = 0;
temp = 0x82 | MCI_MEMORY_DATA_BYTE0 | ((value & 0x000000FF) << 8);
temp = temp << 10;
ret = set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
if (ret < 0)
return ret;
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*write data byte 1;*/
temp = 0x82 | MCI_MEMORY_DATA_BYTE1 | (value & 0x0000FF00);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*write data byte 2;*/
temp = 0x82 | MCI_MEMORY_DATA_BYTE2 | ((value & 0x00FF0000) >> 8);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*write data byte 3;*/
temp = 0x82 | MCI_MEMORY_DATA_BYTE3 | ((value & 0xFF000000) >> 16);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/* write address byte 2;*/
temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE |
((address & 0x003F0000) >> 8);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/* write address byte 1;*/
temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/* write address byte 0;*/
temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*wait for MIRDY line;*/
wait_for_mci_complete(dev);
return 0;
}
static int mc417_memory_read(struct cx231xx *dev, u32 address, u32 *value)
{
u32 temp = 0;
u32 return_value = 0;
int ret = 0;
/*write address byte 2;*/
temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_READ |
((address & 0x003F0000) >> 8);
temp = temp << 10;
ret = set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
if (ret < 0)
return ret;
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*write address byte 1*/
temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*write address byte 0*/
temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
temp = temp << 10;
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
temp = temp | (0x05 << 10);
set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
/*Wait for MIRDY line*/
ret = wait_for_mci_complete(dev);
/*Read data byte 3;*/
temp = (0x82 | MCI_MEMORY_DATA_BYTE3) << 10;
set_itvc_reg(dev, ITVC_READ_DIR, temp);
temp = ((0x81 | MCI_MEMORY_DATA_BYTE3) << 10);
set_itvc_reg(dev, ITVC_READ_DIR, temp);
get_itvc_reg(dev, ITVC_READ_DIR, &temp);
return_value |= ((temp & 0x03FC0000) << 6);
set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
/*Read data byte 2;*/
temp = (0x82 | MCI_MEMORY_DATA_BYTE2) << 10;
set_itvc_reg(dev, ITVC_READ_DIR, temp);
temp = ((0x81 | MCI_MEMORY_DATA_BYTE2) << 10);
set_itvc_reg(dev, ITVC_READ_DIR, temp);
get_itvc_reg(dev, ITVC_READ_DIR, &temp);
return_value |= ((temp & 0x03FC0000) >> 2);
set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
/* Read data byte 1;*/
temp = (0x82 | MCI_MEMORY_DATA_BYTE1) << 10;
set_itvc_reg(dev, ITVC_READ_DIR, temp);
temp = ((0x81 | MCI_MEMORY_DATA_BYTE1) << 10);
set_itvc_reg(dev, ITVC_READ_DIR, temp);
get_itvc_reg(dev, ITVC_READ_DIR, &temp);
return_value |= ((temp & 0x03FC0000) >> 10);
set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
/*Read data byte 0;*/
temp = (0x82 | MCI_MEMORY_DATA_BYTE0) << 10;
set_itvc_reg(dev, ITVC_READ_DIR, temp);
temp = ((0x81 | MCI_MEMORY_DATA_BYTE0) << 10);
set_itvc_reg(dev, ITVC_READ_DIR, temp);
get_itvc_reg(dev, ITVC_READ_DIR, &temp);
return_value |= ((temp & 0x03FC0000) >> 18);
set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
*value = return_value;
return ret;
}
/* ------------------------------------------------------------------ */
/* MPEG encoder API */
static char *cmd_to_str(int cmd)
{
switch (cmd) {
case CX2341X_ENC_PING_FW:
return "PING_FW";
case CX2341X_ENC_START_CAPTURE:
return "START_CAPTURE";
case CX2341X_ENC_STOP_CAPTURE:
return "STOP_CAPTURE";
case CX2341X_ENC_SET_AUDIO_ID:
return "SET_AUDIO_ID";
case CX2341X_ENC_SET_VIDEO_ID:
return "SET_VIDEO_ID";
case CX2341X_ENC_SET_PCR_ID:
return "SET_PCR_PID";
case CX2341X_ENC_SET_FRAME_RATE:
return "SET_FRAME_RATE";
case CX2341X_ENC_SET_FRAME_SIZE:
return "SET_FRAME_SIZE";
case CX2341X_ENC_SET_BIT_RATE:
return "SET_BIT_RATE";
case CX2341X_ENC_SET_GOP_PROPERTIES:
return "SET_GOP_PROPERTIES";
case CX2341X_ENC_SET_ASPECT_RATIO:
return "SET_ASPECT_RATIO";
case CX2341X_ENC_SET_DNR_FILTER_MODE:
return "SET_DNR_FILTER_PROPS";
case CX2341X_ENC_SET_DNR_FILTER_PROPS:
return "SET_DNR_FILTER_PROPS";
case CX2341X_ENC_SET_CORING_LEVELS:
return "SET_CORING_LEVELS";
case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
return "SET_SPATIAL_FILTER_TYPE";
case CX2341X_ENC_SET_VBI_LINE:
return "SET_VBI_LINE";
case CX2341X_ENC_SET_STREAM_TYPE:
return "SET_STREAM_TYPE";
case CX2341X_ENC_SET_OUTPUT_PORT:
return "SET_OUTPUT_PORT";
case CX2341X_ENC_SET_AUDIO_PROPERTIES:
return "SET_AUDIO_PROPERTIES";
case CX2341X_ENC_HALT_FW:
return "HALT_FW";
case CX2341X_ENC_GET_VERSION:
return "GET_VERSION";
case CX2341X_ENC_SET_GOP_CLOSURE:
return "SET_GOP_CLOSURE";
case CX2341X_ENC_GET_SEQ_END:
return "GET_SEQ_END";
case CX2341X_ENC_SET_PGM_INDEX_INFO:
return "SET_PGM_INDEX_INFO";
case CX2341X_ENC_SET_VBI_CONFIG:
return "SET_VBI_CONFIG";
case CX2341X_ENC_SET_DMA_BLOCK_SIZE:
return "SET_DMA_BLOCK_SIZE";
case CX2341X_ENC_GET_PREV_DMA_INFO_MB_10:
return "GET_PREV_DMA_INFO_MB_10";
case CX2341X_ENC_GET_PREV_DMA_INFO_MB_9:
return "GET_PREV_DMA_INFO_MB_9";
case CX2341X_ENC_SCHED_DMA_TO_HOST:
return "SCHED_DMA_TO_HOST";
case CX2341X_ENC_INITIALIZE_INPUT:
return "INITIALIZE_INPUT";
case CX2341X_ENC_SET_FRAME_DROP_RATE:
return "SET_FRAME_DROP_RATE";
case CX2341X_ENC_PAUSE_ENCODER:
return "PAUSE_ENCODER";
case CX2341X_ENC_REFRESH_INPUT:
return "REFRESH_INPUT";
case CX2341X_ENC_SET_COPYRIGHT:
return "SET_COPYRIGHT";
case CX2341X_ENC_SET_EVENT_NOTIFICATION:
return "SET_EVENT_NOTIFICATION";
case CX2341X_ENC_SET_NUM_VSYNC_LINES:
return "SET_NUM_VSYNC_LINES";
case CX2341X_ENC_SET_PLACEHOLDER:
return "SET_PLACEHOLDER";
case CX2341X_ENC_MUTE_VIDEO:
return "MUTE_VIDEO";
case CX2341X_ENC_MUTE_AUDIO:
return "MUTE_AUDIO";
case CX2341X_ENC_MISC:
return "MISC";
default:
return "UNKNOWN";
}
}
static int cx231xx_mbox_func(void *priv, u32 command, int in, int out,
u32 data[CX2341X_MBOX_MAX_DATA])
{
struct cx231xx *dev = priv;
unsigned long timeout;
u32 value, flag, retval = 0;
int i;
dprintk(3, "%s: command(0x%X) = %s\n", __func__, command,
cmd_to_str(command));
/* this may not be 100% safe if we can't read any memory location
without side effects */
mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value);
if (value != 0x12345678) {
dprintk(3, "Firmware and/or mailbox pointer not initialized or corrupted, signature = 0x%x, cmd = %s\n",
value, cmd_to_str(command));
return -EIO;
}
/* This read looks at 32 bits, but flag is only 8 bits.
* Seems we also bail if CMD or TIMEOUT bytes are set???
*/
mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
if (flag) {
dprintk(3, "ERROR: Mailbox appears to be in use (%x), cmd = %s\n",
flag, cmd_to_str(command));
return -EBUSY;
}
flag |= 1; /* tell 'em we're working on it */
mc417_memory_write(dev, dev->cx23417_mailbox, flag);
/* write command + args + fill remaining with zeros */
/* command code */
mc417_memory_write(dev, dev->cx23417_mailbox + 1, command);
mc417_memory_write(dev, dev->cx23417_mailbox + 3,
IVTV_API_STD_TIMEOUT); /* timeout */
for (i = 0; i < in; i++) {
mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, data[i]);
dprintk(3, "API Input %d = %d\n", i, data[i]);
}
for (; i < CX2341X_MBOX_MAX_DATA; i++)
mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, 0);
flag |= 3; /* tell 'em we're done writing */
mc417_memory_write(dev, dev->cx23417_mailbox, flag);
/* wait for firmware to handle the API command */
timeout = jiffies + msecs_to_jiffies(10);
for (;;) {
mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
if (0 != (flag & 4))
break;
if (time_after(jiffies, timeout)) {
dprintk(3, "ERROR: API Mailbox timeout\n");
return -EIO;
}
udelay(10);
}
/* read output values */
for (i = 0; i < out; i++) {
mc417_memory_read(dev, dev->cx23417_mailbox + 4 + i, data + i);
dprintk(3, "API Output %d = %d\n", i, data[i]);
}
mc417_memory_read(dev, dev->cx23417_mailbox + 2, &retval);
dprintk(3, "API result = %d\n", retval);
flag = 0;
mc417_memory_write(dev, dev->cx23417_mailbox, flag);
return 0;
}
/* We don't need to call the API often, so using just one
* mailbox will probably suffice
*/
static int cx231xx_api_cmd(struct cx231xx *dev, u32 command,
u32 inputcnt, u32 outputcnt, ...)
{
u32 data[CX2341X_MBOX_MAX_DATA];
va_list vargs;
int i, err;
dprintk(3, "%s() cmds = 0x%08x\n", __func__, command);
va_start(vargs, outputcnt);
for (i = 0; i < inputcnt; i++)
data[i] = va_arg(vargs, int);
err = cx231xx_mbox_func(dev, command, inputcnt, outputcnt, data);
for (i = 0; i < outputcnt; i++) {
int *vptr = va_arg(vargs, int *);
*vptr = data[i];
}
va_end(vargs);
return err;
}
static int cx231xx_find_mailbox(struct cx231xx *dev)
{
u32 signature[4] = {
0x12345678, 0x34567812, 0x56781234, 0x78123456
};
int signaturecnt = 0;
u32 value;
int i;
int ret = 0;
dprintk(2, "%s()\n", __func__);
for (i = 0; i < 0x100; i++) {/*CX231xx_FIRM_IMAGE_SIZE*/
ret = mc417_memory_read(dev, i, &value);
if (ret < 0)
return ret;
if (value == signature[signaturecnt])
signaturecnt++;
else
signaturecnt = 0;
if (4 == signaturecnt) {
dprintk(1, "Mailbox signature found at 0x%x\n", i + 1);
return i + 1;
}
}
dprintk(3, "Mailbox signature values not found!\n");
return -1;
}
static void mci_write_memory_to_gpio(struct cx231xx *dev, u32 address, u32 value,
u32 *p_fw_image)
{
u32 temp = 0;
int i = 0;
temp = 0x82 | MCI_MEMORY_DATA_BYTE0 | ((value & 0x000000FF) << 8);
temp = temp << 10;
*p_fw_image = temp;
p_fw_image++;
temp = temp | (0x05 << 10);
*p_fw_image = temp;
p_fw_image++;
/*write data byte 1;*/
temp = 0x82 | MCI_MEMORY_DATA_BYTE1 | (value & 0x0000FF00);
temp = temp << 10;
*p_fw_image = temp;
p_fw_image++;
temp = temp | (0x05 << 10);
*p_fw_image = temp;
p_fw_image++;
/*write data byte 2;*/
temp = 0x82 | MCI_MEMORY_DATA_BYTE2 | ((value & 0x00FF0000) >> 8);
temp = temp << 10;
*p_fw_image = temp;
p_fw_image++;
temp = temp | (0x05 << 10);
*p_fw_image = temp;
p_fw_image++;
/*write data byte 3;*/
temp = 0x82 | MCI_MEMORY_DATA_BYTE3 | ((value & 0xFF000000) >> 16);
temp = temp << 10;
*p_fw_image = temp;
p_fw_image++;
temp = temp | (0x05 << 10);
*p_fw_image = temp;
p_fw_image++;
/* write address byte 2;*/
temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE |
((address & 0x003F0000) >> 8);
temp = temp << 10;
*p_fw_image = temp;
p_fw_image++;
temp = temp | (0x05 << 10);
*p_fw_image = temp;
p_fw_image++;
/* write address byte 1;*/
temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
temp = temp << 10;
*p_fw_image = temp;
p_fw_image++;
temp = temp | (0x05 << 10);
*p_fw_image = temp;
p_fw_image++;
/* write address byte 0;*/
temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
temp = temp << 10;
*p_fw_image = temp;
p_fw_image++;
temp = temp | (0x05 << 10);
*p_fw_image = temp;
p_fw_image++;
for (i = 0; i < 6; i++) {
*p_fw_image = 0xFFFFFFFF;
p_fw_image++;
}
}
static int cx231xx_load_firmware(struct cx231xx *dev)
{
static const unsigned char magic[8] = {
0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
};
const struct firmware *firmware;
int i, retval = 0;
u32 value = 0;
u32 gpio_output = 0;
/*u32 checksum = 0;*/
/*u32 *dataptr;*/
u32 transfer_size = 0;
u32 fw_data = 0;
u32 address = 0;
/*u32 current_fw[800];*/
u32 *p_current_fw, *p_fw;
u32 *p_fw_data;
int frame = 0;
u16 _buffer_size = 4096;
u8 *p_buffer;
p_current_fw = vmalloc(1884180 * 4);
p_fw = p_current_fw;
if (p_current_fw == NULL) {
dprintk(2, "FAIL!!!\n");
return -1;
}
p_buffer = vmalloc(4096);
if (p_buffer == NULL) {
dprintk(2, "FAIL!!!\n");
return -1;
}
dprintk(2, "%s()\n", __func__);
/* Save GPIO settings before reset of APU */
retval |= mc417_memory_read(dev, 0x9020, &gpio_output);
retval |= mc417_memory_read(dev, 0x900C, &value);
retval = mc417_register_write(dev,
IVTV_REG_VPU, 0xFFFFFFED);
retval |= mc417_register_write(dev,
IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
retval |= mc417_register_write(dev,
IVTV_REG_ENC_SDRAM_REFRESH, 0x80000800);
retval |= mc417_register_write(dev,
IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
retval |= mc417_register_write(dev,
IVTV_REG_APU, 0);
if (retval != 0) {
pr_err("%s: Error with mc417_register_write\n", __func__);
return -1;
}
retval = request_firmware(&firmware, CX231xx_FIRM_IMAGE_NAME,
&dev->udev->dev);
if (retval != 0) {
pr_err("ERROR: Hotplug firmware request failed (%s).\n",
CX231xx_FIRM_IMAGE_NAME);
pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n");
return -1;
}
if (firmware->size != CX231xx_FIRM_IMAGE_SIZE) {
pr_err("ERROR: Firmware size mismatch (have %zd, expected %d)\n",
firmware->size, CX231xx_FIRM_IMAGE_SIZE);
release_firmware(firmware);
return -1;
}
if (0 != memcmp(firmware->data, magic, 8)) {
pr_err("ERROR: Firmware magic mismatch, wrong file?\n");
release_firmware(firmware);
return -1;
}
initGPIO(dev);
/* transfer to the chip */
dprintk(2, "Loading firmware to GPIO...\n");
p_fw_data = (u32 *)firmware->data;
dprintk(2, "firmware->size=%zd\n", firmware->size);
for (transfer_size = 0; transfer_size < firmware->size;
transfer_size += 4) {
fw_data = *p_fw_data;
mci_write_memory_to_gpio(dev, address, fw_data, p_current_fw);
address = address + 1;
p_current_fw += 20;
p_fw_data += 1;
}
/*download the firmware by ep5-out*/
for (frame = 0; frame < (int)(CX231xx_FIRM_IMAGE_SIZE*20/_buffer_size);
frame++) {
for (i = 0; i < _buffer_size; i++) {
*(p_buffer + i) = (u8)(*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x000000FF);
i++;
*(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x0000FF00) >> 8);
i++;
*(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x00FF0000) >> 16);
i++;
*(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0xFF000000) >> 24);
}
cx231xx_ep5_bulkout(dev, p_buffer, _buffer_size);
}
p_current_fw = p_fw;
vfree(p_current_fw);
p_current_fw = NULL;
uninitGPIO(dev);
release_firmware(firmware);
dprintk(1, "Firmware upload successful.\n");
retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS,
IVTV_CMD_HW_BLOCKS_RST);
if (retval < 0) {
pr_err("%s: Error with mc417_register_write\n",
__func__);
return retval;
}
/* F/W power up disturbs the GPIOs, restore state */
retval |= mc417_register_write(dev, 0x9020, gpio_output);
retval |= mc417_register_write(dev, 0x900C, value);
retval |= mc417_register_read(dev, IVTV_REG_VPU, &value);
retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8);
if (retval < 0) {
pr_err("%s: Error with mc417_register_write\n",
__func__);
return retval;
}
return 0;
}
static void cx231xx_417_check_encoder(struct cx231xx *dev)
{
u32 status, seq;
status = 0;
seq = 0;
cx231xx_api_cmd(dev, CX2341X_ENC_GET_SEQ_END, 0, 2, &status, &seq);
dprintk(1, "%s() status = %d, seq = %d\n", __func__, status, seq);
}
static void cx231xx_codec_settings(struct cx231xx *dev)
{
dprintk(1, "%s()\n", __func__);
/* assign frame size */
cx231xx_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
dev->ts1.height, dev->ts1.width);
dev->mpeg_ctrl_handler.width = dev->ts1.width;
dev->mpeg_ctrl_handler.height = dev->ts1.height;
cx2341x_handler_setup(&dev->mpeg_ctrl_handler);
cx231xx_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1);
cx231xx_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1);
}
static int cx231xx_initialize_codec(struct cx231xx *dev)
{
int version;
int retval;
u32 i;
u32 val = 0;
dprintk(1, "%s()\n", __func__);
cx231xx_disable656(dev);
retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
if (retval < 0) {
dprintk(2, "%s() PING OK\n", __func__);
retval = cx231xx_load_firmware(dev);
if (retval < 0) {
pr_err("%s() f/w load failed\n", __func__);
return retval;
}
retval = cx231xx_find_mailbox(dev);
if (retval < 0) {
pr_err("%s() mailbox < 0, error\n",
__func__);
return -1;
}
dev->cx23417_mailbox = retval;
retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
if (retval < 0) {
pr_err("ERROR: cx23417 firmware ping failed!\n");
return -1;
}
retval = cx231xx_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1,
&version);
if (retval < 0) {
pr_err("ERROR: cx23417 firmware get encoder: version failed!\n");
return -1;
}
dprintk(1, "cx23417 firmware version is 0x%08x\n", version);
msleep(200);
}
for (i = 0; i < 1; i++) {
retval = mc417_register_read(dev, 0x20f8, &val);
dprintk(3, "***before enable656() VIM Capture Lines = %d ***\n",
val);
if (retval < 0)
return retval;
}
cx231xx_enable656(dev);
/* stop mpeg capture */
cx231xx_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE,
3, 0, 1, 3, 4);
cx231xx_codec_settings(dev);
msleep(60);
/* cx231xx_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
CX231xx_FIELD1_SAA7115, CX231xx_FIELD2_SAA7115);
cx231xx_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
CX231xx_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0);
*/
#if 0
/* TODO */
u32 data[7];
/* Setup to capture VBI */
data[0] = 0x0001BD00;
data[1] = 1; /* frames per interrupt */
data[2] = 4; /* total bufs */
data[3] = 0x91559155; /* start codes */
data[4] = 0x206080C0; /* stop codes */
data[5] = 6; /* lines */
data[6] = 64; /* BPL */
cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1],
data[2], data[3], data[4], data[5], data[6]);
for (i = 2; i <= 24; i++) {
int valid;
valid = ((i >= 19) && (i <= 21));
cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i,
valid, 0 , 0, 0);
cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0,
i | 0x80000000, valid, 0, 0, 0);
}
#endif
/* cx231xx_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX231xx_UNMUTE);
msleep(60);
*/
/* initialize the video input */
retval = cx231xx_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
if (retval < 0)
return retval;
msleep(60);
/* Enable VIP style pixel invalidation so we work with scaled mode */
mc417_memory_write(dev, 2120, 0x00000080);
/* start capturing to the host interface */
retval = cx231xx_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
CX231xx_MPEG_CAPTURE, CX231xx_RAW_BITS_NONE);
if (retval < 0)
return retval;
msleep(10);
for (i = 0; i < 1; i++) {
mc417_register_read(dev, 0x20f8, &val);
dprintk(3, "***VIM Capture Lines =%d ***\n", val);
}
return 0;
}
/* ------------------------------------------------------------------ */
static int bb_buf_setup(struct videobuf_queue *q,
unsigned int *count, unsigned int *size)
{
struct cx231xx_fh *fh = q->priv_data;
fh->dev->ts1.ts_packet_size = mpeglinesize;
fh->dev->ts1.ts_packet_count = mpeglines;
*size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
*count = mpegbufs;
return 0;
}
static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
{
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx *dev = fh->dev;
unsigned long flags = 0;
if (in_interrupt())
BUG();
spin_lock_irqsave(&dev->video_mode.slock, flags);
if (dev->USE_ISO) {
if (dev->video_mode.isoc_ctl.buf == buf)
dev->video_mode.isoc_ctl.buf = NULL;
} else {
if (dev->video_mode.bulk_ctl.buf == buf)
dev->video_mode.bulk_ctl.buf = NULL;
}
spin_unlock_irqrestore(&dev->video_mode.slock, flags);
videobuf_waiton(vq, &buf->vb, 0, 0);
videobuf_vmalloc_free(&buf->vb);
buf->vb.state = VIDEOBUF_NEEDS_INIT;
}
static void buffer_copy(struct cx231xx *dev, char *data, int len, struct urb *urb,
struct cx231xx_dmaqueue *dma_q)
{
void *vbuf;
struct cx231xx_buffer *buf;
u32 tail_data = 0;
char *p_data;
if (dma_q->mpeg_buffer_done == 0) {
if (list_empty(&dma_q->active))
return;
buf = list_entry(dma_q->active.next,
struct cx231xx_buffer, vb.queue);
dev->video_mode.isoc_ctl.buf = buf;
dma_q->mpeg_buffer_done = 1;
}
/* Fill buffer */
buf = dev->video_mode.isoc_ctl.buf;
vbuf = videobuf_to_vmalloc(&buf->vb);
if ((dma_q->mpeg_buffer_completed+len) <
mpeglines*mpeglinesize) {
if (dma_q->add_ps_package_head ==
CX231XX_NEED_ADD_PS_PACKAGE_HEAD) {
memcpy(vbuf+dma_q->mpeg_buffer_completed,
dma_q->ps_head, 3);
dma_q->mpeg_buffer_completed =
dma_q->mpeg_buffer_completed + 3;
dma_q->add_ps_package_head =
CX231XX_NONEED_PS_PACKAGE_HEAD;
}
memcpy(vbuf+dma_q->mpeg_buffer_completed, data, len);
dma_q->mpeg_buffer_completed =
dma_q->mpeg_buffer_completed + len;
} else {
dma_q->mpeg_buffer_done = 0;
tail_data =
mpeglines*mpeglinesize - dma_q->mpeg_buffer_completed;
memcpy(vbuf+dma_q->mpeg_buffer_completed,
data, tail_data);
buf->vb.state = VIDEOBUF_DONE;
buf->vb.field_count++;
v4l2_get_timestamp(&buf->vb.ts);
list_del(&buf->vb.queue);
wake_up(&buf->vb.done);
dma_q->mpeg_buffer_completed = 0;
if (len - tail_data > 0) {
p_data = data + tail_data;
dma_q->left_data_count = len - tail_data;
memcpy(dma_q->p_left_data,
p_data, len - tail_data);
}
}
}
static void buffer_filled(char *data, int len, struct urb *urb,
struct cx231xx_dmaqueue *dma_q)
{
void *vbuf;
struct cx231xx_buffer *buf;
if (list_empty(&dma_q->active))
return;
buf = list_entry(dma_q->active.next,
struct cx231xx_buffer, vb.queue);
/* Fill buffer */
vbuf = videobuf_to_vmalloc(&buf->vb);
memcpy(vbuf, data, len);
buf->vb.state = VIDEOBUF_DONE;
buf->vb.field_count++;
v4l2_get_timestamp(&buf->vb.ts);
list_del(&buf->vb.queue);
wake_up(&buf->vb.done);
}
static int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
{
struct cx231xx_dmaqueue *dma_q = urb->context;
unsigned char *p_buffer;
u32 buffer_size = 0;
u32 i = 0;
for (i = 0; i < urb->number_of_packets; i++) {
if (dma_q->left_data_count > 0) {
buffer_copy(dev, dma_q->p_left_data,
dma_q->left_data_count, urb, dma_q);
dma_q->mpeg_buffer_completed = dma_q->left_data_count;
dma_q->left_data_count = 0;
}
p_buffer = urb->transfer_buffer +
urb->iso_frame_desc[i].offset;
buffer_size = urb->iso_frame_desc[i].actual_length;
if (buffer_size > 0)
buffer_copy(dev, p_buffer, buffer_size, urb, dma_q);
}
return 0;
}
static int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb)
{
struct cx231xx_dmaqueue *dma_q = urb->context;
unsigned char *p_buffer, *buffer;
u32 buffer_size = 0;
p_buffer = urb->transfer_buffer;
buffer_size = urb->actual_length;
buffer = kmalloc(buffer_size, GFP_ATOMIC);
memcpy(buffer, dma_q->ps_head, 3);
memcpy(buffer+3, p_buffer, buffer_size-3);
memcpy(dma_q->ps_head, p_buffer+buffer_size-3, 3);
p_buffer = buffer;
buffer_filled(p_buffer, buffer_size, urb, dma_q);
kfree(buffer);
return 0;
}
static int bb_buf_prepare(struct videobuf_queue *q,
struct videobuf_buffer *vb, enum v4l2_field field)
{
struct cx231xx_fh *fh = q->priv_data;
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
struct cx231xx *dev = fh->dev;
int rc = 0, urb_init = 0;
int size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
if (0 != buf->vb.baddr && buf->vb.bsize < size)
return -EINVAL;
buf->vb.width = fh->dev->ts1.ts_packet_size;
buf->vb.height = fh->dev->ts1.ts_packet_count;
buf->vb.size = size;
buf->vb.field = field;
if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
rc = videobuf_iolock(q, &buf->vb, NULL);
if (rc < 0)
goto fail;
}
if (dev->USE_ISO) {
if (!dev->video_mode.isoc_ctl.num_bufs)
urb_init = 1;
} else {
if (!dev->video_mode.bulk_ctl.num_bufs)
urb_init = 1;
}
/*cx231xx_info("urb_init=%d dev->video_mode.max_pkt_size=%d\n",
urb_init, dev->video_mode.max_pkt_size);*/
dev->mode_tv = 1;
if (urb_init) {
rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
rc = cx231xx_unmute_audio(dev);
if (dev->USE_ISO) {
cx231xx_set_alt_setting(dev, INDEX_TS1, 4);
rc = cx231xx_init_isoc(dev, mpeglines,
mpegbufs,
dev->ts1_mode.max_pkt_size,
cx231xx_isoc_copy);
} else {
cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
rc = cx231xx_init_bulk(dev, mpeglines,
mpegbufs,
dev->ts1_mode.max_pkt_size,
cx231xx_bulk_copy);
}
if (rc < 0)
goto fail;
}
buf->vb.state = VIDEOBUF_PREPARED;
return 0;
fail:
free_buffer(q, buf);
return rc;
}
static void bb_buf_queue(struct videobuf_queue *q,
struct videobuf_buffer *vb)
{
struct cx231xx_fh *fh = q->priv_data;
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
struct cx231xx *dev = fh->dev;
struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
buf->vb.state = VIDEOBUF_QUEUED;
list_add_tail(&buf->vb.queue, &vidq->active);
}
static void bb_buf_release(struct videobuf_queue *q,
struct videobuf_buffer *vb)
{
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
/*struct cx231xx_fh *fh = q->priv_data;*/
/*struct cx231xx *dev = (struct cx231xx *)fh->dev;*/
free_buffer(q, buf);
}
static struct videobuf_queue_ops cx231xx_qops = {
.buf_setup = bb_buf_setup,
.buf_prepare = bb_buf_prepare,
.buf_queue = bb_buf_queue,
.buf_release = bb_buf_release,
};
/* ------------------------------------------------------------------ */
static int vidioc_g_std(struct file *file, void *fh0, v4l2_std_id *norm)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
*norm = dev->encodernorm.id;
return 0;
}
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
unsigned int i;
for (i = 0; i < ARRAY_SIZE(cx231xx_tvnorms); i++)
if (id & cx231xx_tvnorms[i].id)
break;
if (i == ARRAY_SIZE(cx231xx_tvnorms))
return -EINVAL;
dev->encodernorm = cx231xx_tvnorms[i];
if (dev->encodernorm.id & 0xb000) {
dprintk(3, "encodernorm set to NTSC\n");
dev->norm = V4L2_STD_NTSC;
dev->ts1.height = 480;
cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, false);
} else {
dprintk(3, "encodernorm set to PAL\n");
dev->norm = V4L2_STD_PAL_B;
dev->ts1.height = 576;
cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, true);
}
call_all(dev, core, s_std, dev->norm);
/* do mode control overrides */
cx231xx_do_mode_ctrl_overrides(dev);
dprintk(3, "exit vidioc_s_std() i=0x%x\n", i);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
dprintk(3, "enter vidioc_s_ctrl()\n");
/* Update the A/V core */
call_all(dev, core, s_ctrl, ctl);
dprintk(3, "exit vidioc_s_ctrl()\n");
return 0;
}
static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
if (f->index != 0)
return -EINVAL;
strlcpy(f->description, "MPEG", sizeof(f->description));
f->pixelformat = V4L2_PIX_FMT_MPEG;
return 0;
}
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
dprintk(3, "enter vidioc_g_fmt_vid_cap()\n");
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.bytesperline = 0;
f->fmt.pix.sizeimage = mpeglines * mpeglinesize;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
f->fmt.pix.width = dev->ts1.width;
f->fmt.pix.height = dev->ts1.height;
f->fmt.pix.field = V4L2_FIELD_INTERLACED;
f->fmt.pix.priv = 0;
dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d\n",
dev->ts1.width, dev->ts1.height);
dprintk(3, "exit vidioc_g_fmt_vid_cap()\n");
return 0;
}
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
dprintk(3, "enter vidioc_try_fmt_vid_cap()\n");
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.bytesperline = 0;
f->fmt.pix.sizeimage = mpeglines * mpeglinesize;
f->fmt.pix.field = V4L2_FIELD_INTERLACED;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
f->fmt.pix.priv = 0;
dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d\n",
dev->ts1.width, dev->ts1.height);
dprintk(3, "exit vidioc_try_fmt_vid_cap()\n");
return 0;
}
static int vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *p)
{
struct cx231xx_fh *fh = file->private_data;
return videobuf_reqbufs(&fh->vidq, p);
}
static int vidioc_querybuf(struct file *file, void *priv,
struct v4l2_buffer *p)
{
struct cx231xx_fh *fh = file->private_data;
return videobuf_querybuf(&fh->vidq, p);
}
static int vidioc_qbuf(struct file *file, void *priv,
struct v4l2_buffer *p)
{
struct cx231xx_fh *fh = file->private_data;
return videobuf_qbuf(&fh->vidq, p);
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
struct cx231xx_fh *fh = priv;
return videobuf_dqbuf(&fh->vidq, b, file->f_flags & O_NONBLOCK);
}
static int vidioc_streamon(struct file *file, void *priv,
enum v4l2_buf_type i)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
dprintk(3, "enter vidioc_streamon()\n");
cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
if (dev->USE_ISO)
cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
CX231XX_NUM_BUFS,
dev->video_mode.max_pkt_size,
cx231xx_isoc_copy);
else {
cx231xx_init_bulk(dev, 320,
5,
dev->ts1_mode.max_pkt_size,
cx231xx_bulk_copy);
}
dprintk(3, "exit vidioc_streamon()\n");
return videobuf_streamon(&fh->vidq);
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx231xx_fh *fh = file->private_data;
return videobuf_streamoff(&fh->vidq);
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
call_all(dev, core, log_status);
return v4l2_ctrl_log_status(file, priv);
}
static int mpeg_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx231xx *dev = video_drvdata(file);
struct cx231xx_fh *fh;
dprintk(2, "%s()\n", __func__);
if (mutex_lock_interruptible(&dev->lock))
return -ERESTARTSYS;
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh) {
mutex_unlock(&dev->lock);
return -ENOMEM;
}
file->private_data = fh;
v4l2_fh_init(&fh->fh, vdev);
fh->dev = dev;
videobuf_queue_vmalloc_init(&fh->vidq, &cx231xx_qops,
NULL, &dev->video_mode.slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED,
sizeof(struct cx231xx_buffer), fh, &dev->lock);
/*
videobuf_queue_sg_init(&fh->vidq, &cx231xx_qops,
&dev->udev->dev, &dev->ts1.slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx231xx_buffer),
fh, &dev->lock);
*/
cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
cx231xx_set_gpio_value(dev, 2, 0);
cx231xx_initialize_codec(dev);
mutex_unlock(&dev->lock);
v4l2_fh_add(&fh->fh);
cx231xx_start_TS1(dev);
return 0;
}
static int mpeg_release(struct file *file)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
dprintk(3, "mpeg_release()! dev=0x%p\n", dev);
mutex_lock(&dev->lock);
cx231xx_stop_TS1(dev);
/* do this before setting alternate! */
if (dev->USE_ISO)
cx231xx_uninit_isoc(dev);
else
cx231xx_uninit_bulk(dev);
cx231xx_set_mode(dev, CX231XX_SUSPEND);
cx231xx_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
CX231xx_END_NOW, CX231xx_MPEG_CAPTURE,
CX231xx_RAW_BITS_NONE);
/* FIXME: Review this crap */
/* Shut device down on last close */
if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) {
if (atomic_dec_return(&dev->v4l_reader_count) == 0) {
/* stop mpeg capture */
msleep(500);
cx231xx_417_check_encoder(dev);
}
}
if (fh->vidq.streaming)
videobuf_streamoff(&fh->vidq);
if (fh->vidq.reading)
videobuf_read_stop(&fh->vidq);
videobuf_mmap_free(&fh->vidq);
v4l2_fh_del(&fh->fh);
v4l2_fh_exit(&fh->fh);
kfree(fh);
mutex_unlock(&dev->lock);
return 0;
}
static ssize_t mpeg_read(struct file *file, char __user *data,
size_t count, loff_t *ppos)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
/* Deal w/ A/V decoder * and mpeg encoder sync issues. */
/* Start mpeg encoder on first read. */
if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) {
if (atomic_inc_return(&dev->v4l_reader_count) == 1) {
if (cx231xx_initialize_codec(dev) < 0)
return -EINVAL;
}
}
return videobuf_read_stream(&fh->vidq, data, count, ppos, 0,
file->f_flags & O_NONBLOCK);
}
static unsigned int mpeg_poll(struct file *file,
struct poll_table_struct *wait)
{
unsigned long req_events = poll_requested_events(wait);
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
unsigned int res = 0;
if (v4l2_event_pending(&fh->fh))
res |= POLLPRI;
else
poll_wait(file, &fh->fh.wait, wait);
if (!(req_events & (POLLIN | POLLRDNORM)))
return res;
mutex_lock(&dev->lock);
res |= videobuf_poll_stream(file, &fh->vidq, wait);
mutex_unlock(&dev->lock);
return res;
}
static int mpeg_mmap(struct file *file, struct vm_area_struct *vma)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
dprintk(2, "%s()\n", __func__);
return videobuf_mmap_mapper(&fh->vidq, vma);
}
static struct v4l2_file_operations mpeg_fops = {
.owner = THIS_MODULE,
.open = mpeg_open,
.release = mpeg_release,
.read = mpeg_read,
.poll = mpeg_poll,
.mmap = mpeg_mmap,
.unlocked_ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
.vidioc_s_std = vidioc_s_std,
.vidioc_g_std = vidioc_g_std,
.vidioc_g_tuner = cx231xx_g_tuner,
.vidioc_s_tuner = cx231xx_s_tuner,
.vidioc_g_frequency = cx231xx_g_frequency,
.vidioc_s_frequency = cx231xx_s_frequency,
.vidioc_enum_input = cx231xx_enum_input,
.vidioc_g_input = cx231xx_g_input,
.vidioc_s_input = cx231xx_s_input,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_querycap = cx231xx_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_try_fmt_vid_cap,
.vidioc_reqbufs = vidioc_reqbufs,
.vidioc_querybuf = vidioc_querybuf,
.vidioc_qbuf = vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx231xx_g_register,
.vidioc_s_register = cx231xx_s_register,
#endif
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
static struct video_device cx231xx_mpeg_template = {
.name = "cx231xx",
.fops = &mpeg_fops,
.ioctl_ops = &mpeg_ioctl_ops,
.minor = -1,
.tvnorms = V4L2_STD_ALL,
};
void cx231xx_417_unregister(struct cx231xx *dev)
{
dprintk(1, "%s()\n", __func__);
dprintk(3, "%s()\n", __func__);
if (dev->v4l_device) {
if (-1 != dev->v4l_device->minor)
video_unregister_device(dev->v4l_device);
else
video_device_release(dev->v4l_device);
v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl);
dev->v4l_device = NULL;
}
}
static int cx231xx_s_video_encoding(struct cx2341x_handler *cxhdl, u32 val)
{
struct cx231xx *dev = container_of(cxhdl, struct cx231xx, mpeg_ctrl_handler);
int is_mpeg1 = val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
struct v4l2_mbus_framefmt fmt;
/* fix videodecoder resolution */
fmt.width = cxhdl->width / (is_mpeg1 ? 2 : 1);
fmt.height = cxhdl->height;
fmt.code = V4L2_MBUS_FMT_FIXED;
v4l2_subdev_call(dev->sd_cx25840, video, s_mbus_fmt, &fmt);
return 0;
}
static int cx231xx_s_audio_sampling_freq(struct cx2341x_handler *cxhdl, u32 idx)
{
static const u32 freqs[3] = { 44100, 48000, 32000 };
struct cx231xx *dev = container_of(cxhdl, struct cx231xx, mpeg_ctrl_handler);
/* The audio clock of the digitizer must match the codec sample
rate otherwise you get some very strange effects. */
if (idx < ARRAY_SIZE(freqs))
call_all(dev, audio, s_clock_freq, freqs[idx]);
return 0;
}
static struct cx2341x_handler_ops cx231xx_ops = {
/* needed for the video clock freq */
.s_audio_sampling_freq = cx231xx_s_audio_sampling_freq,
/* needed for setting up the video resolution */
.s_video_encoding = cx231xx_s_video_encoding,
};
static struct video_device *cx231xx_video_dev_alloc(
struct cx231xx *dev,
struct usb_device *usbdev,
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;
snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name,
type, cx231xx_boards[dev->model].name);
vfd->v4l2_dev = &dev->v4l2_dev;
vfd->lock = &dev->lock;
vfd->release = video_device_release;
set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags);
vfd->ctrl_handler = &dev->mpeg_ctrl_handler.hdl;
video_set_drvdata(vfd, dev);
if (dev->tuner_type == TUNER_ABSENT) {
v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY);
v4l2_disable_ioctl(vfd, VIDIOC_S_FREQUENCY);
v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER);
v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER);
}
return vfd;
}
int cx231xx_417_register(struct cx231xx *dev)
{
/* FIXME: Port1 hardcoded here */
int err = -ENODEV;
struct cx231xx_tsport *tsport = &dev->ts1;
dprintk(1, "%s()\n", __func__);
/* Set default TV standard */
dev->encodernorm = cx231xx_tvnorms[0];
if (dev->encodernorm.id & V4L2_STD_525_60)
tsport->height = 480;
else
tsport->height = 576;
tsport->width = 720;
err = cx2341x_handler_init(&dev->mpeg_ctrl_handler, 50);
if (err) {
dprintk(3, "%s: can't init cx2341x controls\n", dev->name);
return err;
}
dev->mpeg_ctrl_handler.func = cx231xx_mbox_func;
dev->mpeg_ctrl_handler.priv = dev;
dev->mpeg_ctrl_handler.ops = &cx231xx_ops;
if (dev->sd_cx25840)
v4l2_ctrl_add_handler(&dev->mpeg_ctrl_handler.hdl,
dev->sd_cx25840->ctrl_handler, NULL);
if (dev->mpeg_ctrl_handler.hdl.error) {
err = dev->mpeg_ctrl_handler.hdl.error;
dprintk(3, "%s: can't add cx25840 controls\n", dev->name);
v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl);
return err;
}
dev->norm = V4L2_STD_NTSC;
dev->mpeg_ctrl_handler.port = CX2341X_PORT_SERIAL;
cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, false);
/* Allocate and initialize V4L video device */
dev->v4l_device = cx231xx_video_dev_alloc(dev,
dev->udev, &cx231xx_mpeg_template, "mpeg");
err = video_register_device(dev->v4l_device,
VFL_TYPE_GRABBER, -1);
if (err < 0) {
dprintk(3, "%s: can't register mpeg device\n", dev->name);
v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl);
return err;
}
dprintk(3, "%s: registered device video%d [mpeg]\n",
dev->name, dev->v4l_device->num);
return 0;
}
MODULE_FIRMWARE(CX231xx_FIRM_IMAGE_NAME);
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