tvp5150.c

linux2.6.16版本

	       tvp5150_read(c, TVP5150_LINE_MODE_REG_25));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_27));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_28));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_29));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_30));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_31));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_32));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_33));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_34));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_35));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_36));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_37));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_38));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_39));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_40));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_41));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_42));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_43));
	printk("tvp5150: Line mode registers = 0x%02x\n",
	       tvp5150_read(c, TVP5150_LINE_MODE_REG_44));
	printk("tvp5150: Full field mode register = 0x%02x\n",
	       tvp5150_read(c, TVP5150_FULL_FIELD_MODE_REG));
}

/****************************************************************************
			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_1,0x00
	},
	{ /* 0xd0 */
		TVP5150_FULL_FIELD_ENA_2,0x00
	},
	{ /* 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 i2c_vbi_ram_value {
	u16 reg;
	unsigned char values[26];
};

static struct i2c_vbi_ram_value vbi_ram_default[] =
{
	{0x010, /* WST SECAM 6 */
		{ 0xaa, 0xaa, 0xff, 0xff , 0xe7, 0x2e, 0x20, 0x26, 0xe6, 0xb4, 0x0e, 0x0, 0x0, 0x0, 0x10, 0x0 }
	},
	{0x030, /* WST PAL B 6 */
		{ 0xaa, 0xaa, 0xff, 0xff , 0x27, 0x2e, 0x20, 0x2b, 0xa6, 0x72, 0x10, 0x0, 0x0, 0x0, 0x10, 0x0 }
	},
	{0x050, /* WST PAL C 6 */
		{ 0xaa, 0xaa, 0xff, 0xff , 0xe7, 0x2e, 0x20, 0x22, 0xa6, 0x98, 0x0d, 0x0, 0x0, 0x0, 0x10, 0x0 }
	},
	{0x070, /* WST NTSC 6 */
		{ 0xaa, 0xaa, 0xff, 0xff , 0x27, 0x2e, 0x20, 0x23, 0x69, 0x93, 0x0d, 0x0, 0x0, 0x0, 0x10, 0x0 }
	},
	{0x090, /* NABTS, NTSC 6 */
		{ 0xaa, 0xaa, 0xff, 0xff , 0xe7, 0x2e, 0x20, 0x22, 0x69, 0x93, 0x0d, 0x0, 0x0, 0x0, 0x15, 0x0 }
	},
	{0x0b0, /* NABTS, NTSC-J 6 */
		{ 0xaa, 0xaa, 0xff, 0xff , 0xa7, 0x2e, 0x20, 0x23, 0x69, 0x93, 0x0d, 0x0, 0x0, 0x0, 0x10, 0x0 }
	},
	{0x0d0, /* CC, PAL/SECAM 6 */
		{ 0xaa, 0x2a, 0xff, 0x3f , 0x04, 0x51, 0x6e, 0x02, 0xa6, 0x7b, 0x09, 0x0, 0x0, 0x0, 0x27, 0x0 }
	},
	{0x0f0, /* CC, NTSC 6 */
		{ 0xaa, 0x2a, 0xff, 0x3f , 0x04, 0x51, 0x6e, 0x02, 0x69, 0x8c, 0x09, 0x0, 0x0, 0x0, 0x27, 0x0 }
	},
	{0x110, /* WSS, PAL/SECAM 6 */
		{ 0x5b, 0x55, 0xc5, 0xff , 0x0, 0x71, 0x6e, 0x42, 0xa6, 0xcd, 0x0f, 0x0, 0x0, 0x0, 0x3a, 0x0 }
	},
	{0x130, /* WSS, NTSC C */
		{ 0x38, 0x00, 0x3f, 0x00 , 0x0, 0x71, 0x6e, 0x43, 0x69, 0x7c, 0x08, 0x0, 0x0, 0x0, 0x39, 0x0 }
	},
	{0x150, /* VITC, PAL/SECAM 6 */
		{ 0x0, 0x0, 0x0, 0x0 , 0x0, 0x8f, 0x6d, 0x49, 0xa6, 0x85, 0x08, 0x0, 0x0, 0x0, 0x4c, 0x0 }
	},
	{0x170, /* VITC, NTSC 6 */
		{ 0x0, 0x0, 0x0, 0x0 , 0x0, 0x8f, 0x6d, 0x49, 0x69, 0x94, 0x08, 0x0, 0x0, 0x0, 0x4c, 0x0 }
	},
	{ (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_1, 0);

	/* Before programming, Line mode should be at 0xff */
	for (i=TVP5150_FULL_FIELD_ENA_2; i<=TVP5150_LINE_MODE_REG_44; 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;
}

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);