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📄 tvp5150.c

📁 linux下tvp5150芯片驱动程序
💻 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 <media/tvp5150.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;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 */	struct v4l2_routing route;	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 ****************************************************************************/static inline void tvp5150_selmux(struct i2c_client *c){	int opmode=0;	struct tvp5150 *decoder = i2c_get_clientdata(c);	int input = 0;	unsigned char val;	if ((decoder->route.output & TVP5150_BLACK_SCREEN) || !decoder->enable)		input = 8;	switch (decoder->route.input) {	case TVP5150_COMPOSITE1:		input |= 2;		/* fall through */	case TVP5150_COMPOSITE0:		opmode=0x30;		/* TV Mode */		break;	case TVP5150_SVIDEO:	default:		input |= 1;		opmode=0;		/* Auto Mode */		break;	}	tvp5150_dbg( 1, "Selecting video route: route input=%i, output=%i "			"=> tvp5150 input=%i, opmode=%i\n",			decoder->route.input,decoder->route.output,			input, opmode );	tvp5150_write(c, TVP5150_OP_MODE_CTL, opmode);	tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input);	/* Svideo should enable YCrCb output and disable GPCL output	 * For Composite and TV, it should be the reverse	 */	val = tvp5150_read(c, TVP5150_MISC_CTL);	if (decoder->route.input == TVP5150_SVIDEO)		val = (val & ~0x40) | 0x10;	else		val = (val & ~0x10) | 0x40;	tvp5150_write(c, TVP5150_MISC_CTL, val);};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[] ={	/* FIXME: Current api doesn't handle all VBI types, those not	   yet supported are placed under #if 0 */#if 0	{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 }	},#endif	{0x030, /* Teletext, PAL, WST System B */		{V4L2_SLICED_TELETEXT_B,6,22,1},		{ 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,		  0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }	},#if 0	{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 }	},#endif	{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 }	},#if 0	{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,

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