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linux/drivers/media/video/tvp5150.c

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/*
* tvp5150 - Texas Instruments TVP5150A/AM1 video decoder driver
*
* Copyright (c) 2005,2006 Mauro Carvalho Chehab (mchehab@infradead.org)
* This code is placed under the terms of the GNU General Public License v2
*/
#include <linux/i2c.h>
#include <linux/videodev.h>
#include <linux/delay.h>
#include <linux/video_decoder.h>
#include <media/v4l2-common.h>
#include "tvp5150_reg.h"
MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");
MODULE_AUTHOR("Mauro Carvalho Chehab");
MODULE_LICENSE("GPL");
/* standard i2c insmod options */
static unsigned short normal_i2c[] = {
0xb8 >> 1,
0xba >> 1,
I2C_CLIENT_END
};
I2C_CLIENT_INSMOD;
static int debug = 0;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
#define tvp5150_err(fmt, arg...) do { \
printk(KERN_ERR "%s %d-%04x: " fmt, c->driver->driver.name, \
i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0)
#define tvp5150_info(fmt, arg...) do { \
printk(KERN_INFO "%s %d-%04x: " fmt, c->driver->driver.name, \
i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0)
#define tvp5150_dbg(num, fmt, arg...) \
do { \
if (debug >= num) \
printk(KERN_DEBUG "%s debug %d-%04x: " fmt,\
c->driver->driver.name, \
i2c_adapter_id(c->adapter), \
c->addr , ## arg); } while (0)
/* supported controls */
static struct v4l2_queryctrl tvp5150_qctrl[] = {
{
.id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Brightness",
.minimum = 0,
.maximum = 255,
.step = 1,
.default_value = 128,
.flags = 0,
}, {
.id = V4L2_CID_CONTRAST,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Contrast",
.minimum = 0,
.maximum = 255,
.step = 0x1,
.default_value = 128,
.flags = 0,
}, {
.id = V4L2_CID_SATURATION,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Saturation",
.minimum = 0,
.maximum = 255,
.step = 0x1,
.default_value = 128,
.flags = 0,
}, {
.id = V4L2_CID_HUE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Hue",
.minimum = -128,
.maximum = 127,
.step = 0x1,
.default_value = 0,
.flags = 0,
}
};
struct tvp5150 {
struct i2c_client *client;
v4l2_std_id norm; /* Current set standard */
int input;
int enable;
int bright;
int contrast;
int hue;
int sat;
};
static int tvp5150_read(struct i2c_client *c, unsigned char addr)
{
unsigned char buffer[1];
int rc;
buffer[0] = addr;
if (1 != (rc = i2c_master_send(c, buffer, 1)))
tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
msleep(10);
if (1 != (rc = i2c_master_recv(c, buffer, 1)))
tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
tvp5150_dbg(2, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
return (buffer[0]);
}
static inline void tvp5150_write(struct i2c_client *c, unsigned char addr,
unsigned char value)
{
unsigned char buffer[2];
int rc;
buffer[0] = addr;
buffer[1] = value;
tvp5150_dbg(2, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
if (2 != (rc = i2c_master_send(c, buffer, 2)))
tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 2)\n", rc);
}
static void dump_reg_range(struct i2c_client *c, char *s, u8 init, const u8 end,int max_line)
{
int i=0;
while (init!=(u8)(end+1)) {
if ((i%max_line) == 0) {
if (i>0)
printk("\n");
printk("tvp5150: %s reg 0x%02x = ",s,init);
}
printk("%02x ",tvp5150_read(c, init));
init++;
i++;
}
printk("\n");
}
static void dump_reg(struct i2c_client *c)
{
printk("tvp5150: Video input source selection #1 = 0x%02x\n",
tvp5150_read(c, TVP5150_VD_IN_SRC_SEL_1));
printk("tvp5150: Analog channel controls = 0x%02x\n",
tvp5150_read(c, TVP5150_ANAL_CHL_CTL));
printk("tvp5150: Operation mode controls = 0x%02x\n",
tvp5150_read(c, TVP5150_OP_MODE_CTL));
printk("tvp5150: Miscellaneous controls = 0x%02x\n",
tvp5150_read(c, TVP5150_MISC_CTL));
printk("tvp5150: Autoswitch mask= 0x%02x\n",
tvp5150_read(c, TVP5150_AUTOSW_MSK));
printk("tvp5150: Color killer threshold control = 0x%02x\n",
tvp5150_read(c, TVP5150_COLOR_KIL_THSH_CTL));
printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
tvp5150_read(c, TVP5150_LUMA_PROC_CTL_1),
tvp5150_read(c, TVP5150_LUMA_PROC_CTL_2),
tvp5150_read(c, TVP5150_LUMA_PROC_CTL_3));
printk("tvp5150: Brightness control = 0x%02x\n",
tvp5150_read(c, TVP5150_BRIGHT_CTL));
printk("tvp5150: Color saturation control = 0x%02x\n",
tvp5150_read(c, TVP5150_SATURATION_CTL));
printk("tvp5150: Hue control = 0x%02x\n",
tvp5150_read(c, TVP5150_HUE_CTL));
printk("tvp5150: Contrast control = 0x%02x\n",
tvp5150_read(c, TVP5150_CONTRAST_CTL));
printk("tvp5150: Outputs and data rates select = 0x%02x\n",
tvp5150_read(c, TVP5150_DATA_RATE_SEL));
printk("tvp5150: Configuration shared pins = 0x%02x\n",
tvp5150_read(c, TVP5150_CONF_SHARED_PIN));
printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_MSB),
tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_LSB));
printk("tvp5150: Active video cropping stop = 0x%02x%02x\n",
tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_MSB),
tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_LSB));
printk("tvp5150: Genlock/RTC = 0x%02x\n",
tvp5150_read(c, TVP5150_GENLOCK));
printk("tvp5150: Horizontal sync start = 0x%02x\n",
tvp5150_read(c, TVP5150_HORIZ_SYNC_START));
printk("tvp5150: Vertical blanking start = 0x%02x\n",
tvp5150_read(c, TVP5150_VERT_BLANKING_START));
printk("tvp5150: Vertical blanking stop = 0x%02x\n",
tvp5150_read(c, TVP5150_VERT_BLANKING_STOP));
printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_1),
tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_2));
printk("tvp5150: Interrupt reset register B = 0x%02x\n",
tvp5150_read(c, TVP5150_INT_RESET_REG_B));
printk("tvp5150: Interrupt enable register B = 0x%02x\n",
tvp5150_read(c, TVP5150_INT_ENABLE_REG_B));
printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
tvp5150_read(c, TVP5150_INTT_CONFIG_REG_B));
printk("tvp5150: Video standard = 0x%02x\n",
tvp5150_read(c, TVP5150_VIDEO_STD));
printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
tvp5150_read(c, TVP5150_CB_GAIN_FACT),
tvp5150_read(c, TVP5150_CR_GAIN_FACTOR));
printk("tvp5150: Macrovision on counter = 0x%02x\n",
tvp5150_read(c, TVP5150_MACROVISION_ON_CTR));
printk("tvp5150: Macrovision off counter = 0x%02x\n",
tvp5150_read(c, TVP5150_MACROVISION_OFF_CTR));
printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
(tvp5150_read(c, TVP5150_REV_SELECT)&1)?3:4);
printk("tvp5150: Device ID = %02x%02x\n",
tvp5150_read(c, TVP5150_MSB_DEV_ID),
tvp5150_read(c, TVP5150_LSB_DEV_ID));
printk("tvp5150: ROM version = (hex) %02x.%02x\n",
tvp5150_read(c, TVP5150_ROM_MAJOR_VER),
tvp5150_read(c, TVP5150_ROM_MINOR_VER));
printk("tvp5150: Vertical line count = 0x%02x%02x\n",
tvp5150_read(c, TVP5150_VERT_LN_COUNT_MSB),
tvp5150_read(c, TVP5150_VERT_LN_COUNT_LSB));
printk("tvp5150: Interrupt status register B = 0x%02x\n",
tvp5150_read(c, TVP5150_INT_STATUS_REG_B));
printk("tvp5150: Interrupt active register B = 0x%02x\n",
tvp5150_read(c, TVP5150_INT_ACTIVE_REG_B));
printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
tvp5150_read(c, TVP5150_STATUS_REG_1),
tvp5150_read(c, TVP5150_STATUS_REG_2),
tvp5150_read(c, TVP5150_STATUS_REG_3),
tvp5150_read(c, TVP5150_STATUS_REG_4),
tvp5150_read(c, TVP5150_STATUS_REG_5));
dump_reg_range(c,"Teletext filter 1", TVP5150_TELETEXT_FIL1_INI,
TVP5150_TELETEXT_FIL1_END,8);
dump_reg_range(c,"Teletext filter 2", TVP5150_TELETEXT_FIL2_INI,
TVP5150_TELETEXT_FIL2_END,8);
printk("tvp5150: Teletext filter enable = 0x%02x\n",
tvp5150_read(c, TVP5150_TELETEXT_FIL_ENA));
printk("tvp5150: Interrupt status register A = 0x%02x\n",
tvp5150_read(c, TVP5150_INT_STATUS_REG_A));
printk("tvp5150: Interrupt enable register A = 0x%02x\n",
tvp5150_read(c, TVP5150_INT_ENABLE_REG_A));
printk("tvp5150: Interrupt configuration = 0x%02x\n",
tvp5150_read(c, TVP5150_INT_CONF));
printk("tvp5150: VDP status register = 0x%02x\n",
tvp5150_read(c, TVP5150_VDP_STATUS_REG));
printk("tvp5150: FIFO word count = 0x%02x\n",
tvp5150_read(c, TVP5150_FIFO_WORD_COUNT));
printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
tvp5150_read(c, TVP5150_FIFO_INT_THRESHOLD));
printk("tvp5150: FIFO reset = 0x%02x\n",
tvp5150_read(c, TVP5150_FIFO_RESET));
printk("tvp5150: Line number interrupt = 0x%02x\n",
tvp5150_read(c, TVP5150_LINE_NUMBER_INT));
printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
tvp5150_read(c, TVP5150_PIX_ALIGN_REG_HIGH),
tvp5150_read(c, TVP5150_PIX_ALIGN_REG_LOW));
printk("tvp5150: FIFO output control = 0x%02x\n",
tvp5150_read(c, TVP5150_FIFO_OUT_CTRL));
printk("tvp5150: Full field enable = 0x%02x\n",
tvp5150_read(c, TVP5150_FULL_FIELD_ENA));
printk("tvp5150: Full field mode register = 0x%02x\n",
tvp5150_read(c, TVP5150_FULL_FIELD_MODE_REG));
dump_reg_range(c,"CC data", TVP5150_CC_DATA_INI,
TVP5150_CC_DATA_END,8);
dump_reg_range(c,"WSS data", TVP5150_WSS_DATA_INI,
TVP5150_WSS_DATA_END,8);
dump_reg_range(c,"VPS data", TVP5150_VPS_DATA_INI,
TVP5150_VPS_DATA_END,8);
dump_reg_range(c,"VITC data", TVP5150_VITC_DATA_INI,
TVP5150_VITC_DATA_END,10);
dump_reg_range(c,"Line mode", TVP5150_LINE_MODE_INI,
TVP5150_LINE_MODE_END,8);
}
/****************************************************************************
Basic functions
****************************************************************************/
enum tvp5150_input {
TVP5150_ANALOG_CH0 = 0,
TVP5150_SVIDEO = 1,
TVP5150_ANALOG_CH1 = 2,
TVP5150_BLACK_SCREEN = 8
};
static inline void tvp5150_selmux(struct i2c_client *c,
enum tvp5150_input input)
{
int opmode=0;
struct tvp5150 *decoder = i2c_get_clientdata(c);
if (!decoder->enable)
input |= TVP5150_BLACK_SCREEN;
switch (input) {
case TVP5150_ANALOG_CH0:
case TVP5150_ANALOG_CH1:
opmode=0x30; /* TV Mode */
break;
default:
opmode=0; /* Auto Mode */
break;
}
tvp5150_write(c, TVP5150_OP_MODE_CTL, opmode);
tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input);
};
struct i2c_reg_value {
unsigned char reg;
unsigned char value;
};
/* Default values as sugested at TVP5150AM1 datasheet */
static const struct i2c_reg_value tvp5150_init_default[] = {
{ /* 0x00 */
TVP5150_VD_IN_SRC_SEL_1,0x00
},
{ /* 0x01 */
TVP5150_ANAL_CHL_CTL,0x15
},
{ /* 0x02 */
TVP5150_OP_MODE_CTL,0x00
},
{ /* 0x03 */
TVP5150_MISC_CTL,0x01
},
{ /* 0x06 */
TVP5150_COLOR_KIL_THSH_CTL,0x10
},
{ /* 0x07 */
TVP5150_LUMA_PROC_CTL_1,0x60
},
{ /* 0x08 */
TVP5150_LUMA_PROC_CTL_2,0x00
},
{ /* 0x09 */
TVP5150_BRIGHT_CTL,0x80
},
{ /* 0x0a */
TVP5150_SATURATION_CTL,0x80
},
{ /* 0x0b */
TVP5150_HUE_CTL,0x00
},
{ /* 0x0c */
TVP5150_CONTRAST_CTL,0x80
},
{ /* 0x0d */
TVP5150_DATA_RATE_SEL,0x47
},
{ /* 0x0e */
TVP5150_LUMA_PROC_CTL_3,0x00
},
{ /* 0x0f */
TVP5150_CONF_SHARED_PIN,0x08
},
{ /* 0x11 */
TVP5150_ACT_VD_CROP_ST_MSB,0x00
},
{ /* 0x12 */
TVP5150_ACT_VD_CROP_ST_LSB,0x00
},
{ /* 0x13 */
TVP5150_ACT_VD_CROP_STP_MSB,0x00
},
{ /* 0x14 */
TVP5150_ACT_VD_CROP_STP_LSB,0x00
},
{ /* 0x15 */
TVP5150_GENLOCK,0x01
},
{ /* 0x16 */
TVP5150_HORIZ_SYNC_START,0x80
},
{ /* 0x18 */
TVP5150_VERT_BLANKING_START,0x00
},
{ /* 0x19 */
TVP5150_VERT_BLANKING_STOP,0x00
},
{ /* 0x1a */
TVP5150_CHROMA_PROC_CTL_1,0x0c
},
{ /* 0x1b */
TVP5150_CHROMA_PROC_CTL_2,0x14
},
{ /* 0x1c */
TVP5150_INT_RESET_REG_B,0x00
},
{ /* 0x1d */
TVP5150_INT_ENABLE_REG_B,0x00
},
{ /* 0x1e */
TVP5150_INTT_CONFIG_REG_B,0x00
},
{ /* 0x28 */
TVP5150_VIDEO_STD,0x00
},
{ /* 0x2e */
TVP5150_MACROVISION_ON_CTR,0x0f
},
{ /* 0x2f */
TVP5150_MACROVISION_OFF_CTR,0x01
},
{ /* 0xbb */
TVP5150_TELETEXT_FIL_ENA,0x00
},
{ /* 0xc0 */
TVP5150_INT_STATUS_REG_A,0x00
},
{ /* 0xc1 */
TVP5150_INT_ENABLE_REG_A,0x00
},
{ /* 0xc2 */
TVP5150_INT_CONF,0x04
},
{ /* 0xc8 */
TVP5150_FIFO_INT_THRESHOLD,0x80
},
{ /* 0xc9 */
TVP5150_FIFO_RESET,0x00
},
{ /* 0xca */
TVP5150_LINE_NUMBER_INT,0x00
},
{ /* 0xcb */
TVP5150_PIX_ALIGN_REG_LOW,0x4e
},
{ /* 0xcc */
TVP5150_PIX_ALIGN_REG_HIGH,0x00
},
{ /* 0xcd */
TVP5150_FIFO_OUT_CTRL,0x01
},
{ /* 0xcf */
TVP5150_FULL_FIELD_ENA,0x00
},
{ /* 0xd0 */
TVP5150_LINE_MODE_INI,0x00
},
{ /* 0xfc */
TVP5150_FULL_FIELD_MODE_REG,0x7f
},
{ /* end of data */
0xff,0xff
}
};
/* Default values as sugested at TVP5150AM1 datasheet */
static const struct i2c_reg_value tvp5150_init_enable[] = {
{
TVP5150_CONF_SHARED_PIN, 2
},{ /* Automatic offset and AGC enabled */
TVP5150_ANAL_CHL_CTL, 0x15
},{ /* Activate YCrCb output 0x9 or 0xd ? */
TVP5150_MISC_CTL, 0x6f
},{ /* Activates video std autodetection for all standards */
TVP5150_AUTOSW_MSK, 0x0
},{ /* Default format: 0x47. For 4:2:2: 0x40 */
TVP5150_DATA_RATE_SEL, 0x47
},{
TVP5150_CHROMA_PROC_CTL_1, 0x0c
},{
TVP5150_CHROMA_PROC_CTL_2, 0x54
},{ /* Non documented, but initialized on WinTV USB2 */
0x27, 0x20
},{
0xff,0xff
}
};
struct tvp5150_vbi_type {
unsigned int vbi_type;
unsigned int ini_line;
unsigned int end_line;
unsigned int by_field :1;
};
struct i2c_vbi_ram_value {
u16 reg;
struct tvp5150_vbi_type type;
unsigned char values[16];
};
/* This struct have the values for each supported VBI Standard
* by
tvp5150_vbi_types should follow the same order as vbi_ram_default
* value 0 means rom position 0x10, value 1 means rom position 0x30
* and so on. There are 16 possible locations from 0 to 15.
*/
static struct i2c_vbi_ram_value vbi_ram_default[] =
{
{0x010, /* Teletext, SECAM, WST System A */
{V4L2_SLICED_TELETEXT_SECAM,6,23,1},
{ 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
},
{0x030, /* Teletext, PAL, WST System B */
{V4L2_SLICED_TELETEXT_PAL_B,6,22,1},
{ 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
},
{0x050, /* Teletext, PAL, WST System C */
{V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
{ 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
},
{0x070, /* Teletext, NTSC, WST System B */
{V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
{ 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
},
{0x090, /* Tetetext, NTSC NABTS System C */
{V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
{ 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
},
{0x0b0, /* Teletext, NTSC-J, NABTS System D */
{V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
{ 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
},
{0x0d0, /* Closed Caption, PAL/SECAM */
{V4L2_SLICED_CAPTION_625,22,22,1},
{ 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
},
{0x0f0, /* Closed Caption, NTSC */
{V4L2_SLICED_CAPTION_525,21,21,1},
{ 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
},
{0x110, /* Wide Screen Signal, PAL/SECAM */
{V4L2_SLICED_WSS_625,23,23,1},
{ 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
},
{0x130, /* Wide Screen Signal, NTSC C */
{V4L2_SLICED_WSS_525,20,20,1},
{ 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
},
{0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
{V4l2_SLICED_VITC_625,6,22,0},
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
},
{0x170, /* Vertical Interval Timecode (VITC), NTSC */
{V4l2_SLICED_VITC_525,10,20,0},
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
},
{0x190, /* Video Program System (VPS), PAL */
{V4L2_SLICED_VPS,16,16,0},
{ 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
},
/* 0x1d0 User programmable */
/* End of struct */
{ (u16)-1 }
};
static int tvp5150_write_inittab(struct i2c_client *c,
const struct i2c_reg_value *regs)
{
while (regs->reg != 0xff) {
tvp5150_write(c, regs->reg, regs->value);
regs++;
}
return 0;
}
static int tvp5150_vdp_init(struct i2c_client *c,
const struct i2c_vbi_ram_value *regs)
{
unsigned int i;
/* Disable Full Field */
tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
/* Before programming, Line mode should be at 0xff */
for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
tvp5150_write(c, i, 0xff);
/* Load Ram Table */
while (regs->reg != (u16)-1 ) {
tvp5150_write(c, TVP5150_CONF_RAM_ADDR_HIGH,regs->reg>>8);
tvp5150_write(c, TVP5150_CONF_RAM_ADDR_LOW,regs->reg);
for (i=0;i<16;i++)
tvp5150_write(c, TVP5150_VDP_CONF_RAM_DATA,regs->values[i]);
regs++;
}
return 0;
}
/* Fills VBI capabilities based on i2c_vbi_ram_value struct */
static void tvp5150_vbi_get_cap(const struct i2c_vbi_ram_value *regs,
struct v4l2_sliced_vbi_cap *cap)
{
int line;
memset(cap, 0, sizeof *cap);
while (regs->reg != (u16)-1 ) {
for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
cap->service_lines[0][line] |= regs->type.vbi_type;
}
cap->service_set |= regs->type.vbi_type;
regs++;
}
}
/* Set vbi processing
* type - one of tvp5150_vbi_types
* line - line to gather data
* fields: bit 0 field1, bit 1, field2
* flags (default=0xf0) is a bitmask, were set means:
* bit 7: enable filtering null bytes on CC
* bit 6: send data also to FIFO
* bit 5: don't allow data with errors on FIFO
* bit 4: enable ECC when possible
* pix_align = pix alignment:
* LSB = field1
* MSB = field2
*/
static int tvp5150_set_vbi(struct i2c_client *c,
const struct i2c_vbi_ram_value *regs,
unsigned int type,u8 flags, int line,
const int fields)
{
struct tvp5150 *decoder = i2c_get_clientdata(c);
v4l2_std_id std=decoder->norm;
u8 reg;
int pos=0;
if (std == V4L2_STD_ALL) {
tvp5150_err("VBI can't be configured without knowing number of lines\n");
return 0;
} else if (std && V4L2_STD_625_50) {
/* Don't follow NTSC Line number convension */
line += 3;
}
if (line<6||line>27)
return 0;
while (regs->reg != (u16)-1 ) {
if ((type & regs->type.vbi_type) &&
(line>=regs->type.ini_line) &&
(line<=regs->type.end_line)) {
type=regs->type.vbi_type;
break;
}
regs++;
pos++;
}
if (regs->reg == (u16)-1)
return 0;
type=pos | (flags & 0xf0);
reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
if (fields&1) {
tvp5150_write(c, reg, type);
}
if (fields&2) {
tvp5150_write(c, reg+1, type);
}
return type;
}
static int tvp5150_get_vbi(struct i2c_client *c,
const struct i2c_vbi_ram_value *regs, int line)
{
struct tvp5150 *decoder = i2c_get_clientdata(c);
v4l2_std_id std=decoder->norm;
u8 reg;
int pos, type=0;
if (std == V4L2_STD_ALL) {
tvp5150_err("VBI can't be configured without knowing number of lines\n");
return 0;
} else if (std && V4L2_STD_625_50) {
/* Don't follow NTSC Line number convension */
line += 3;
}
if (line<6||line>27)
return 0;
reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
pos=tvp5150_read(c, reg)&0x0f;
if (pos<0x0f)
type=regs[pos].type.vbi_type;
pos=tvp5150_read(c, reg+1)&0x0f;
if (pos<0x0f)
type|=regs[pos].type.vbi_type;
return type;
}
static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std)
{
struct tvp5150 *decoder = i2c_get_clientdata(c);
int fmt=0;
decoder->norm=std;
/* First tests should be against specific std */
if (std == V4L2_STD_ALL) {
fmt=0; /* Autodetect mode */
} else if (std & V4L2_STD_NTSC_443) {
fmt=0xa;
} else if (std & V4L2_STD_PAL_M) {
fmt=0x6;
} else if (std & (V4L2_STD_PAL_N| V4L2_STD_PAL_Nc)) {
fmt=0x8;
} else {
/* Then, test against generic ones */
if (std & V4L2_STD_NTSC) {
fmt=0x2;
} else if (std & V4L2_STD_PAL) {
fmt=0x4;
} else if (std & V4L2_STD_SECAM) {
fmt=0xc;
}
}
tvp5150_dbg(1,"Set video std register to %d.\n",fmt);
tvp5150_write(c, TVP5150_VIDEO_STD, fmt);
return 0;
}
static inline void tvp5150_reset(struct i2c_client *c)
{
u8 msb_id, lsb_id, msb_rom, lsb_rom;
struct tvp5150 *decoder = i2c_get_clientdata(c);
msb_id=tvp5150_read(c,TVP5150_MSB_DEV_ID);
lsb_id=tvp5150_read(c,TVP5150_LSB_DEV_ID);
msb_rom=tvp5150_read(c,TVP5150_ROM_MAJOR_VER);
lsb_rom=tvp5150_read(c,TVP5150_ROM_MINOR_VER);
if ((msb_rom==4)&&(lsb_rom==0)) { /* Is TVP5150AM1 */
tvp5150_info("tvp%02x%02xam1 detected.\n",msb_id, lsb_id);
/* ITU-T BT.656.4 timing */
tvp5150_write(c,TVP5150_REV_SELECT,0);
} else {
if ((msb_rom==3)||(lsb_rom==0x21)) { /* Is TVP5150A */
tvp5150_info("tvp%02x%02xa detected.\n",msb_id, lsb_id);
} else {
tvp5150_info("*** unknown tvp%02x%02x chip detected.\n",msb_id,lsb_id);
tvp5150_info("*** Rom ver is %d.%d\n",msb_rom,lsb_rom);
}
}
/* Initializes TVP5150 to its default values */
tvp5150_write_inittab(c, tvp5150_init_default);
/* Initializes VDP registers */
tvp5150_vdp_init(c, vbi_ram_default);
/* Selects decoder input */
tvp5150_selmux(c, decoder->input);
/* Initializes TVP5150 to stream enabled values */
tvp5150_write_inittab(c, tvp5150_init_enable);
/* Initialize image preferences */
tvp5150_write(c, TVP5150_BRIGHT_CTL, decoder->bright >> 8);
tvp5150_write(c, TVP5150_CONTRAST_CTL, decoder->contrast >> 8);
tvp5150_write(c, TVP5150_SATURATION_CTL, decoder->contrast >> 8);
tvp5150_write(c, TVP5150_HUE_CTL, (decoder->hue - 32768) >> 8);
tvp5150_set_std(c, decoder->norm);
};
static int tvp5150_get_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
{
/* struct tvp5150 *decoder = i2c_get_clientdata(c); */
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
ctrl->value = tvp5150_read(c, TVP5150_BRIGHT_CTL);
return 0;
case V4L2_CID_CONTRAST:
ctrl->value = tvp5150_read(c, TVP5150_CONTRAST_CTL);
return 0;
case V4L2_CID_SATURATION:
ctrl->value = tvp5150_read(c, TVP5150_SATURATION_CTL);
return 0;
case V4L2_CID_HUE:
ctrl->value = tvp5150_read(c, TVP5150_HUE_CTL);
return 0;
}
return -EINVAL;
}
static int tvp5150_set_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
{
/* struct tvp5150 *decoder = i2c_get_clientdata(c); */
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
tvp5150_write(c, TVP5150_BRIGHT_CTL, ctrl->value);
return 0;
case V4L2_CID_CONTRAST:
tvp5150_write(c, TVP5150_CONTRAST_CTL, ctrl->value);
return 0;
case V4L2_CID_SATURATION:
tvp5150_write(c, TVP5150_SATURATION_CTL, ctrl->value);
return 0;
case V4L2_CID_HUE:
tvp5150_write(c, TVP5150_HUE_CTL, ctrl->value);
return 0;
}
return -EINVAL;
}
/****************************************************************************
I2C Command
****************************************************************************/
static int tvp5150_command(struct i2c_client *c,
unsigned int cmd, void *arg)
{
struct tvp5150 *decoder = i2c_get_clientdata(c);
switch (cmd) {
case 0:
case VIDIOC_INT_RESET:
case DECODER_INIT:
tvp5150_reset(c);
break;
case VIDIOC_S_STD:
if (decoder->norm == *(v4l2_std_id *)arg)
break;
return tvp5150_set_std(c, *(v4l2_std_id *)arg);
case VIDIOC_G_STD:
*(v4l2_std_id *)arg = decoder->norm;
break;
case VIDIOC_G_SLICED_VBI_CAP:
{
struct v4l2_sliced_vbi_cap *cap = arg;
tvp5150_dbg(1, "VIDIOC_G_SLICED_VBI_CAP\n");
tvp5150_vbi_get_cap(vbi_ram_default, cap);
break;
}
case VIDIOC_S_FMT:
{
struct v4l2_format *fmt;
struct v4l2_sliced_vbi_format *svbi;
int i;
fmt = arg;
if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
return -EINVAL;
svbi = &fmt->fmt.sliced;
if (svbi->service_set != 0) {
for (i = 0; i <= 23; i++) {
svbi->service_lines[1][i] = 0;
svbi->service_lines[0][i]=tvp5150_set_vbi(c,
vbi_ram_default,
svbi->service_lines[0][i],0xf0,i,3);
}
/* Enables FIFO */
tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,1);
} else {
/* Disables FIFO*/
tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,0);
/* Disable Full Field */
tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
/* Disable Line modes */
for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
tvp5150_write(c, i, 0xff);
}
break;
}
case VIDIOC_G_FMT:
{
struct v4l2_format *fmt;
struct v4l2_sliced_vbi_format *svbi;
int i, mask=0;
fmt = arg;
if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
return -EINVAL;
svbi = &fmt->fmt.sliced;
memset(svbi, 0, sizeof(*svbi));
for (i = 0; i <= 23; i++) {
svbi->service_lines[0][i]=tvp5150_get_vbi(c,
vbi_ram_default,i);
mask|=svbi->service_lines[0][i];
}
svbi->service_set=mask;
break;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
case VIDIOC_INT_G_REGISTER:
{
struct v4l2_register *reg = arg;
if (reg->i2c_id != I2C_DRIVERID_TVP5150)
return -EINVAL;
reg->val = tvp5150_read(c, reg->reg & 0xff);
break;
}
case VIDIOC_INT_S_REGISTER:
{
struct v4l2_register *reg = arg;
if (reg->i2c_id != I2C_DRIVERID_TVP5150)
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff);
break;
}
#endif
case VIDIOC_LOG_STATUS:
case DECODER_DUMP:
dump_reg(c);
break;
case DECODER_GET_CAPABILITIES:
{
struct video_decoder_capability *cap = arg;
cap->flags = VIDEO_DECODER_PAL |
VIDEO_DECODER_NTSC |
VIDEO_DECODER_SECAM |
VIDEO_DECODER_AUTO | VIDEO_DECODER_CCIR;
cap->inputs = 3;
cap->outputs = 1;
break;
}
case DECODER_GET_STATUS:
{
int *iarg = arg;
int status;
int res=0;
status = tvp5150_read(c, 0x88);
if(status&0x08){
res |= DECODER_STATUS_COLOR;
}
if(status&0x04 && status&0x02){
res |= DECODER_STATUS_GOOD;
}
*iarg=res;
break;
}
case DECODER_SET_GPIO:
break;
case DECODER_SET_VBI_BYPASS:
break;
case DECODER_SET_NORM:
{
int *iarg = arg;
switch (*iarg) {
case VIDEO_MODE_NTSC:
break;
case VIDEO_MODE_PAL:
break;
case VIDEO_MODE_SECAM:
break;
case VIDEO_MODE_AUTO:
break;
default:
return -EINVAL;
}
decoder->norm = *iarg;
break;
}
case DECODER_SET_INPUT:
{
int *iarg = arg;
if (*iarg < 0 || *iarg > 3) {
return -EINVAL;
}
decoder->input = *iarg;
tvp5150_selmux(c, decoder->input);
break;
}
case DECODER_SET_OUTPUT:
{
int *iarg = arg;
/* not much choice of outputs */
if (*iarg != 0) {
return -EINVAL;
}
break;
}
case DECODER_ENABLE_OUTPUT:
{
int *iarg = arg;
decoder->enable = (*iarg != 0);
tvp5150_selmux(c, decoder->input);
break;
}
case VIDIOC_QUERYCTRL:
{
struct v4l2_queryctrl *qc = arg;
int i;
tvp5150_dbg(1, "VIDIOC_QUERYCTRL called\n");
for (i = 0; i < ARRAY_SIZE(tvp5150_qctrl); i++)
if (qc->id && qc->id == tvp5150_qctrl[i].id) {
memcpy(qc, &(tvp5150_qctrl[i]),
sizeof(*qc));
return 0;
}
return -EINVAL;
}
case VIDIOC_G_CTRL:
{
struct v4l2_control *ctrl = arg;
tvp5150_dbg(1, "VIDIOC_G_CTRL called\n");
return tvp5150_get_ctrl(c, ctrl);
}
case VIDIOC_S_CTRL:
{
struct v4l2_control *ctrl = arg;
u8 i, n;
n = sizeof(tvp5150_qctrl) / sizeof(tvp5150_qctrl[0]);
for (i = 0; i < n; i++)
if (ctrl->id == tvp5150_qctrl[i].id) {
if (ctrl->value <
tvp5150_qctrl[i].minimum
|| ctrl->value >
tvp5150_qctrl[i].maximum)
return -ERANGE;
tvp5150_dbg(1,
"VIDIOC_S_CTRL: id=%d, value=%d\n",
ctrl->id, ctrl->value);
return tvp5150_set_ctrl(c, ctrl);
}
return -EINVAL;
}
case DECODER_SET_PICTURE:
{
struct video_picture *pic = arg;
if (decoder->bright != pic->brightness) {
/* We want 0 to 255 we get 0-65535 */
decoder->bright = pic->brightness;
tvp5150_write(c, TVP5150_BRIGHT_CTL,
decoder->bright >> 8);
}
if (decoder->contrast != pic->contrast) {
/* We want 0 to 255 we get 0-65535 */
decoder->contrast = pic->contrast;
tvp5150_write(c, TVP5150_CONTRAST_CTL,
decoder->contrast >> 8);
}
if (decoder->sat != pic->colour) {
/* We want 0 to 255 we get 0-65535 */
decoder->sat = pic->colour;
tvp5150_write(c, TVP5150_SATURATION_CTL,
decoder->contrast >> 8);
}
if (decoder->hue != pic->hue) {
/* We want -128 to 127 we get 0-65535 */
decoder->hue = pic->hue;
tvp5150_write(c, TVP5150_HUE_CTL,
(decoder->hue - 32768) >> 8);
}
break;
}
default:
return -EINVAL;
}
return 0;
}
/****************************************************************************
I2C Client & Driver
****************************************************************************/
static struct i2c_driver driver;
static struct i2c_client client_template = {
.name = "(unset)",
.driver = &driver,
};
static int tvp5150_detect_client(struct i2c_adapter *adapter,
int address, int kind)
{
struct i2c_client *c;
struct tvp5150 *core;
int rv;
if (debug)
printk( KERN_INFO
"tvp5150.c: detecting tvp5150 client on address 0x%x\n",
address << 1);
client_template.adapter = adapter;
client_template.addr = address;
/* Check if the adapter supports the needed features */
if (!i2c_check_functionality
(adapter,
I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
return 0;
c = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (c == 0)
return -ENOMEM;
memcpy(c, &client_template, sizeof(struct i2c_client));
core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
if (core == 0) {
kfree(c);
return -ENOMEM;
}
i2c_set_clientdata(c, core);
rv = i2c_attach_client(c);
core->norm = V4L2_STD_ALL; /* Default is autodetect */
core->input = 2;
core->enable = 1;
core->bright = 32768;
core->contrast = 32768;
core->hue = 32768;
core->sat = 32768;
if (rv) {
kfree(c);
kfree(core);
return rv;
}
if (debug > 1)
dump_reg(c);
return 0;
}
static int tvp5150_attach_adapter(struct i2c_adapter *adapter)
{
if (debug)
printk( KERN_INFO
"tvp5150.c: starting probe for adapter %s (0x%x)\n",
adapter->name, adapter->id);
return i2c_probe(adapter, &addr_data, &tvp5150_detect_client);
}
static int tvp5150_detach_client(struct i2c_client *c)
{
struct tvp5150 *decoder = i2c_get_clientdata(c);
int err;
tvp5150_dbg(1,
"tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
c->addr << 1);
err = i2c_detach_client(c);
if (err) {
return err;
}
kfree(decoder);
kfree(c);
return 0;
}
/* ----------------------------------------------------------------------- */
static struct i2c_driver driver = {
.driver = {
.name = "tvp5150",
},
.id = I2C_DRIVERID_TVP5150,
.attach_adapter = tvp5150_attach_adapter,
.detach_client = tvp5150_detach_client,
.command = tvp5150_command,
};
static int __init tvp5150_init(void)
{
return i2c_add_driver(&driver);
}
static void __exit tvp5150_exit(void)
{
i2c_del_driver(&driver);
}
module_init(tvp5150_init);
module_exit(tvp5150_exit);
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