saa7134-dvb.c

LINUX 2.6.17.4的源码

static void philips_europa_analog(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	/* this message actually turns the tuner back to analog mode */
	static u8 msg[] = { 0x0b, 0xdc, 0x86, 0xa4 };
	struct i2c_msg analog_msg = {.addr = 0x61,.flags = 0,.buf = msg,.len = sizeof(msg) };

	i2c_transfer(&dev->i2c_adap, &analog_msg, 1);
	msleep(1);

	/* switch the board to analog mode */
	analog_msg.addr = 0x43;
	analog_msg.len  = 0x02;
	msg[0] = 0x00;
	msg[1] = 0x14;
	i2c_transfer(&dev->i2c_adap, &analog_msg, 1);
}

static struct tda1004x_config philips_europa_config = {

	.demod_address = 0x8,
	.invert        = 0,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_4M,
	.agc_config    = TDA10046_AGC_IFO_AUTO_POS,
	.if_freq       = TDA10046_FREQ_052,
	.pll_init      = philips_europa_pll_init,
	.pll_set       = philips_td1316_pll_set,
	.pll_sleep     = philips_europa_analog,
	.request_firmware = NULL,
};

/* ------------------------------------------------------------------ */

static int philips_fmd1216_pll_init(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	/* this message is to set up ATC and ALC */
	static u8 fmd1216_init[] = { 0x0b, 0xdc, 0x9c, 0xa0 };
	struct i2c_msg tuner_msg = {.addr = 0x61,.flags = 0,.buf = fmd1216_init,.len = sizeof(fmd1216_init) };

	if (i2c_transfer(&dev->i2c_adap, &tuner_msg, 1) != 1)
		return -EIO;
	msleep(1);

	return 0;
}

static void philips_fmd1216_analog(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	/* this message actually turns the tuner back to analog mode */
	static u8 fmd1216_init[] = { 0x0b, 0xdc, 0x9c, 0x60 };
	struct i2c_msg tuner_msg = {.addr = 0x61,.flags = 0,.buf = fmd1216_init,.len = sizeof(fmd1216_init) };

	i2c_transfer(&dev->i2c_adap, &tuner_msg, 1);
	msleep(1);
	fmd1216_init[2] = 0x86;
	fmd1216_init[3] = 0x54;
	i2c_transfer(&dev->i2c_adap, &tuner_msg, 1);
	msleep(1);
}

static int philips_fmd1216_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	u8 tuner_buf[4];
	struct i2c_msg tuner_msg = {.addr = 0x61,.flags = 0,.buf = tuner_buf,.len =
			sizeof(tuner_buf) };
	int tuner_frequency = 0;
	int divider = 0;
	u8 band, mode, cp;

	/* determine charge pump */
	tuner_frequency = params->frequency + 36130000;
	if (tuner_frequency < 87000000)
		return -EINVAL;
	/* low band */
	else if (tuner_frequency < 180000000) {
		band = 1;
		mode = 7;
		cp   = 0;
	} else if (tuner_frequency < 195000000) {
		band = 1;
		mode = 6;
		cp   = 1;
	/* mid band	*/
	} else if (tuner_frequency < 366000000) {
		if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) {
			band = 10;
		} else {
			band = 2;
		}
		mode = 7;
		cp   = 0;
	} else if (tuner_frequency < 478000000) {
		if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) {
			band = 10;
		} else {
			band = 2;
		}
		mode = 6;
		cp   = 1;
	/* high band */
	} else if (tuner_frequency < 662000000) {
		if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) {
			band = 12;
		} else {
			band = 4;
		}
		mode = 7;
		cp   = 0;
	} else if (tuner_frequency < 840000000) {
		if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) {
			band = 12;
		} else {
			band = 4;
		}
		mode = 6;
		cp   = 1;
	} else {
		if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) {
			band = 12;
		} else {
			band = 4;
		}
		mode = 7;
		cp   = 1;

	}
	/* calculate divisor */
	/* ((36166000 + Finput) / 166666) rounded! */
	divider = (tuner_frequency + 83333) / 166667;

	/* setup tuner buffer */
	tuner_buf[0] = (divider >> 8) & 0x7f;
	tuner_buf[1] = divider & 0xff;
	tuner_buf[2] = 0x80 | (cp << 6) | (mode  << 3) | 4;
	tuner_buf[3] = 0x40 | band;

	if (i2c_transfer(&dev->i2c_adap, &tuner_msg, 1) != 1)
		return -EIO;
	return 0;
}

static struct tda1004x_config medion_cardbus = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_IFO_AUTO_NEG,
	.if_freq       = TDA10046_FREQ_3613,
	.pll_init      = philips_fmd1216_pll_init,
	.pll_set       = philips_fmd1216_pll_set,
	.pll_sleep	   = philips_fmd1216_analog,
	.request_firmware = NULL,
};

/* ------------------------------------------------------------------ */

struct tda827x_data {
	u32 lomax;
	u8  spd;
	u8  bs;
	u8  bp;
	u8  cp;
	u8  gc3;
	u8 div1p5;
};

static struct tda827x_data tda827x_dvbt[] = {
	{ .lomax =  62000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1},
	{ .lomax =  66000000, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1},
	{ .lomax =  76000000, .spd = 3, .bs = 1, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0},
	{ .lomax =  84000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0},
	{ .lomax =  93000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0},
	{ .lomax =  98000000, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0},
	{ .lomax = 109000000, .spd = 3, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0},
	{ .lomax = 123000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1},
	{ .lomax = 133000000, .spd = 2, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1},
	{ .lomax = 151000000, .spd = 2, .bs = 1, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0},
	{ .lomax = 154000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0},
	{ .lomax = 181000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 0, .div1p5 = 0},
	{ .lomax = 185000000, .spd = 2, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0},
	{ .lomax = 217000000, .spd = 2, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0},
	{ .lomax = 244000000, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1},
	{ .lomax = 265000000, .spd = 1, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1},
	{ .lomax = 302000000, .spd = 1, .bs = 1, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0},
	{ .lomax = 324000000, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0},
	{ .lomax = 370000000, .spd = 1, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0},
	{ .lomax = 454000000, .spd = 1, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0},
	{ .lomax = 493000000, .spd = 0, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1},
	{ .lomax = 530000000, .spd = 0, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1},
	{ .lomax = 554000000, .spd = 0, .bs = 1, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0},
	{ .lomax = 604000000, .spd = 0, .bs = 1, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0},
	{ .lomax = 696000000, .spd = 0, .bs = 2, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0},
	{ .lomax = 740000000, .spd = 0, .bs = 2, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0},
	{ .lomax = 820000000, .spd = 0, .bs = 3, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0},
	{ .lomax = 865000000, .spd = 0, .bs = 3, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0},
	{ .lomax =         0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0}
};

static int philips_tda827x_pll_init(struct dvb_frontend *fe)
{
	return 0;
}

static int philips_tda827x_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	u8 tuner_buf[14];

	struct i2c_msg tuner_msg = {.addr = 0x60,.flags = 0,.buf = tuner_buf,
					.len = sizeof(tuner_buf) };
	int i, tuner_freq, if_freq;
	u32 N;
	switch (params->u.ofdm.bandwidth) {
	case BANDWIDTH_6_MHZ:
		if_freq = 4000000;
		break;
	case BANDWIDTH_7_MHZ:
		if_freq = 4500000;
		break;
	default:		   /* 8 MHz or Auto */
		if_freq = 5000000;
		break;
	}
	tuner_freq = params->frequency + if_freq;

	i = 0;
	while (tda827x_dvbt[i].lomax < tuner_freq) {
		if(tda827x_dvbt[i + 1].lomax == 0)
			break;
		i++;
	}

	N = ((tuner_freq + 125000) / 250000) << (tda827x_dvbt[i].spd + 2);
	tuner_buf[0] = 0;
	tuner_buf[1] = (N>>8) | 0x40;
	tuner_buf[2] = N & 0xff;
	tuner_buf[3] = 0;
	tuner_buf[4] = 0x52;
	tuner_buf[5] = (tda827x_dvbt[i].spd << 6) + (tda827x_dvbt[i].div1p5 << 5) +
				   (tda827x_dvbt[i].bs << 3) + tda827x_dvbt[i].bp;
	tuner_buf[6] = (tda827x_dvbt[i].gc3 << 4) + 0x8f;
	tuner_buf[7] = 0xbf;
	tuner_buf[8] = 0x2a;
	tuner_buf[9] = 0x05;
	tuner_buf[10] = 0xff;
	tuner_buf[11] = 0x00;
	tuner_buf[12] = 0x00;
	tuner_buf[13] = 0x40;

	tuner_msg.len = 14;
	if (i2c_transfer(&dev->i2c_adap, &tuner_msg, 1) != 1)
		return -EIO;

	msleep(500);
	/* correct CP value */
	tuner_buf[0] = 0x30;
	tuner_buf[1] = 0x50 + tda827x_dvbt[i].cp;
	tuner_msg.len = 2;
	i2c_transfer(&dev->i2c_adap, &tuner_msg, 1);

	return 0;
}

static void philips_tda827x_pll_sleep(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	static u8 tda827x_sleep[] = { 0x30, 0xd0};
	struct i2c_msg tuner_msg = {.addr = 0x60,.flags = 0,.buf = tda827x_sleep,
				    .len = sizeof(tda827x_sleep) };
	i2c_transfer(&dev->i2c_adap, &tuner_msg, 1);
}

static struct tda1004x_config tda827x_lifeview_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.if_freq       = TDA10046_FREQ_045,
	.pll_init      = philips_tda827x_pll_init,
	.pll_set       = philips_tda827x_pll_set,
	.pll_sleep	   = philips_tda827x_pll_sleep,
	.request_firmware = NULL,
};

/* ------------------------------------------------------------------ */

struct tda827xa_data {
	u32 lomax;
	u8  svco;
	u8  spd;
	u8  scr;
	u8  sbs;
	u8  gc3;
};

static struct tda827xa_data tda827xa_dvbt[] = {
	{ .lomax =  56875000, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 1},
	{ .lomax =  67250000, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1},
	{ .lomax =  81250000, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1},
	{ .lomax =  97500000, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1},
	{ .lomax = 113750000, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1},
	{ .lomax = 134500000, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
	{ .lomax = 154000000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
	{ .lomax = 162500000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
	{ .lomax = 183000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
	{ .lomax = 195000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1},
	{ .lomax = 227500000, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1},
	{ .lomax = 269000000, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1},
	{ .lomax = 290000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1},
	{ .lomax = 325000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1},
	{ .lomax = 390000000, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1},
	{ .lomax = 455000000, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1},
	{ .lomax = 520000000, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1},
	{ .lomax = 538000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1},
	{ .lomax = 550000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1},
	{ .lomax = 620000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
	{ .lomax = 650000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
	{ .lomax = 700000000, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
	{ .lomax = 780000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
	{ .lomax = 820000000, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
	{ .lomax = 870000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
	{ .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0},
	{ .lomax =         0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0}};


static int philips_tda827xa_pll_set(u8 addr, struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	u8 tuner_buf[14];
	unsigned char reg2[2];

	struct i2c_msg msg = {.addr = addr,.flags = 0,.buf = tuner_buf};
	int i, tuner_freq, if_freq;
	u32 N;

	switch (params->u.ofdm.bandwidth) {
	case BANDWIDTH_6_MHZ:
		if_freq = 4000000;
		break;
	case BANDWIDTH_7_MHZ:
		if_freq = 4500000;
		break;
	default:		   /* 8 MHz or Auto */
		if_freq = 5000000;
		break;
	}
	tuner_freq = params->frequency + if_freq;

	i = 0;
	while (tda827xa_dvbt[i].lomax < tuner_freq) {
		if(tda827xa_dvbt[i + 1].lomax == 0)
			break;
		i++;
	}

	N = ((tuner_freq + 31250) / 62500) << tda827xa_dvbt[i].spd;
	tuner_buf[0] = 0;            // subaddress
	tuner_buf[1] = N >> 8;
	tuner_buf[2] = N & 0xff;
	tuner_buf[3] = 0;
	tuner_buf[4] = 0x16;
	tuner_buf[5] = (tda827xa_dvbt[i].spd << 5) + (tda827xa_dvbt[i].svco << 3) +
			tda827xa_dvbt[i].sbs;
	tuner_buf[6] = 0x4b + (tda827xa_dvbt[i].gc3 << 4);
	tuner_buf[7] = 0x0c;
	tuner_buf[8] = 0x06;
	tuner_buf[9] = 0x24;
	tuner_buf[10] = 0xff;
	tuner_buf[11] = 0x60;
	tuner_buf[12] = 0x00;
	tuner_buf[13] = 0x39;  // lpsel
	msg.len = 14;
	if (i2c_transfer(&dev->i2c_adap, &msg, 1) != 1)