budget-av.c

linux 内核源代码

}

static int saa7113_setinput(struct budget_av *budget_av, int input)
{
	struct budget *budget = &budget_av->budget;

	if (1 != budget_av->has_saa7113)
		return -ENODEV;

	if (input == 1) {
		i2c_writereg(&budget->i2c_adap, 0x4a, 0x02, 0xc7);
		i2c_writereg(&budget->i2c_adap, 0x4a, 0x09, 0x80);
	} else if (input == 0) {
		i2c_writereg(&budget->i2c_adap, 0x4a, 0x02, 0xc0);
		i2c_writereg(&budget->i2c_adap, 0x4a, 0x09, 0x00);
	} else
		return -EINVAL;

	budget_av->cur_input = input;
	return 0;
}


static int philips_su1278_ty_ci_set_symbol_rate(struct dvb_frontend *fe, u32 srate, u32 ratio)
{
	u8 aclk = 0;
	u8 bclk = 0;
	u8 m1;

	aclk = 0xb5;
	if (srate < 2000000)
		bclk = 0x86;
	else if (srate < 5000000)
		bclk = 0x89;
	else if (srate < 15000000)
		bclk = 0x8f;
	else if (srate < 45000000)
		bclk = 0x95;

	m1 = 0x14;
	if (srate < 4000000)
		m1 = 0x10;

	stv0299_writereg(fe, 0x13, aclk);
	stv0299_writereg(fe, 0x14, bclk);
	stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
	stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
	stv0299_writereg(fe, 0x21, (ratio) & 0xf0);
	stv0299_writereg(fe, 0x0f, 0x80 | m1);

	return 0;
}

static int philips_su1278_ty_ci_tuner_set_params(struct dvb_frontend *fe,
						 struct dvb_frontend_parameters *params)
{
	u32 div;
	u8 buf[4];
	struct budget *budget = (struct budget *) fe->dvb->priv;
	struct i2c_msg msg = {.addr = 0x61,.flags = 0,.buf = buf,.len = sizeof(buf) };

	if ((params->frequency < 950000) || (params->frequency > 2150000))
		return -EINVAL;

	div = (params->frequency + (125 - 1)) / 125;	// round correctly
	buf[0] = (div >> 8) & 0x7f;
	buf[1] = div & 0xff;
	buf[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
	buf[3] = 0x20;

	if (params->u.qpsk.symbol_rate < 4000000)
		buf[3] |= 1;

	if (params->frequency < 1250000)
		buf[3] |= 0;
	else if (params->frequency < 1550000)
		buf[3] |= 0x40;
	else if (params->frequency < 2050000)
		buf[3] |= 0x80;
	else if (params->frequency < 2150000)
		buf[3] |= 0xC0;

	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	if (i2c_transfer(&budget->i2c_adap, &msg, 1) != 1)
		return -EIO;
	return 0;
}

static u8 typhoon_cinergy1200s_inittab[] = {
	0x01, 0x15,
	0x02, 0x30,
	0x03, 0x00,
	0x04, 0x7d,		/* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
	0x05, 0x35,		/* I2CT = 0, SCLT = 1, SDAT = 1 */
	0x06, 0x40,		/* DAC not used, set to high impendance mode */
	0x07, 0x00,		/* DAC LSB */
	0x08, 0x40,		/* DiSEqC off */
	0x09, 0x00,		/* FIFO */
	0x0c, 0x51,		/* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
	0x0d, 0x82,		/* DC offset compensation = ON, beta_agc1 = 2 */
	0x0e, 0x23,		/* alpha_tmg = 2, beta_tmg = 3 */
	0x10, 0x3f,		// AGC2  0x3d
	0x11, 0x84,
	0x12, 0xb9,
	0x15, 0xc9,		// lock detector threshold
	0x16, 0x00,
	0x17, 0x00,
	0x18, 0x00,
	0x19, 0x00,
	0x1a, 0x00,
	0x1f, 0x50,
	0x20, 0x00,
	0x21, 0x00,
	0x22, 0x00,
	0x23, 0x00,
	0x28, 0x00,		// out imp: normal  out type: parallel FEC mode:0
	0x29, 0x1e,		// 1/2 threshold
	0x2a, 0x14,		// 2/3 threshold
	0x2b, 0x0f,		// 3/4 threshold
	0x2c, 0x09,		// 5/6 threshold
	0x2d, 0x05,		// 7/8 threshold
	0x2e, 0x01,
	0x31, 0x1f,		// test all FECs
	0x32, 0x19,		// viterbi and synchro search
	0x33, 0xfc,		// rs control
	0x34, 0x93,		// error control
	0x0f, 0x92,
	0xff, 0xff
};

static struct stv0299_config typhoon_config = {
	.demod_address = 0x68,
	.inittab = typhoon_cinergy1200s_inittab,
	.mclk = 88000000UL,
	.invert = 0,
	.skip_reinit = 0,
	.lock_output = STV0229_LOCKOUTPUT_1,
	.volt13_op0_op1 = STV0299_VOLT13_OP0,
	.min_delay_ms = 100,
	.set_symbol_rate = philips_su1278_ty_ci_set_symbol_rate,
};


static struct stv0299_config cinergy_1200s_config = {
	.demod_address = 0x68,
	.inittab = typhoon_cinergy1200s_inittab,
	.mclk = 88000000UL,
	.invert = 0,
	.skip_reinit = 0,
	.lock_output = STV0229_LOCKOUTPUT_0,
	.volt13_op0_op1 = STV0299_VOLT13_OP0,
	.min_delay_ms = 100,
	.set_symbol_rate = philips_su1278_ty_ci_set_symbol_rate,
};

static struct stv0299_config cinergy_1200s_1894_0010_config = {
	.demod_address = 0x68,
	.inittab = typhoon_cinergy1200s_inittab,
	.mclk = 88000000UL,
	.invert = 1,
	.skip_reinit = 0,
	.lock_output = STV0229_LOCKOUTPUT_1,
	.volt13_op0_op1 = STV0299_VOLT13_OP0,
	.min_delay_ms = 100,
	.set_symbol_rate = philips_su1278_ty_ci_set_symbol_rate,
};

static int philips_cu1216_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
	struct budget *budget = (struct budget *) fe->dvb->priv;
	u8 buf[6];
	struct i2c_msg msg = {.addr = 0x60,.flags = 0,.buf = buf,.len = sizeof(buf) };
	int i;

#define CU1216_IF 36125000
#define TUNER_MUL 62500

	u32 div = (params->frequency + CU1216_IF + TUNER_MUL / 2) / TUNER_MUL;

	buf[0] = (div >> 8) & 0x7f;
	buf[1] = div & 0xff;
	buf[2] = 0xce;
	buf[3] = (params->frequency < 150000000 ? 0x01 :
		  params->frequency < 445000000 ? 0x02 : 0x04);
	buf[4] = 0xde;
	buf[5] = 0x20;

	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	if (i2c_transfer(&budget->i2c_adap, &msg, 1) != 1)
		return -EIO;

	/* wait for the pll lock */
	msg.flags = I2C_M_RD;
	msg.len = 1;
	for (i = 0; i < 20; i++) {
		if (fe->ops.i2c_gate_ctrl)
			fe->ops.i2c_gate_ctrl(fe, 1);
		if (i2c_transfer(&budget->i2c_adap, &msg, 1) == 1 && (buf[0] & 0x40))
			break;
		msleep(10);
	}

	/* switch the charge pump to the lower current */
	msg.flags = 0;
	msg.len = 2;
	msg.buf = &buf[2];
	buf[2] &= ~0x40;
	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	if (i2c_transfer(&budget->i2c_adap, &msg, 1) != 1)
		return -EIO;

	return 0;
}

static struct tda1002x_config philips_cu1216_config = {
	.demod_address = 0x0c,
	.invert = 1,
};

static struct tda1002x_config philips_cu1216_config_altaddress = {
	.demod_address = 0x0d,
	.invert = 0,
};

static int philips_tu1216_tuner_init(struct dvb_frontend *fe)
{
	struct budget *budget = (struct budget *) fe->dvb->priv;
	static u8 tu1216_init[] = { 0x0b, 0xf5, 0x85, 0xab };
	struct i2c_msg tuner_msg = {.addr = 0x60,.flags = 0,.buf = tu1216_init,.len = sizeof(tu1216_init) };

	// setup PLL configuration
	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	if (i2c_transfer(&budget->i2c_adap, &tuner_msg, 1) != 1)
		return -EIO;
	msleep(1);

	return 0;
}

static int philips_tu1216_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
	struct budget *budget = (struct budget *) fe->dvb->priv;
	u8 tuner_buf[4];
	struct i2c_msg tuner_msg = {.addr = 0x60,.flags = 0,.buf = tuner_buf,.len =
			sizeof(tuner_buf) };
	int tuner_frequency = 0;
	u8 band, cp, filter;

	// determine charge pump
	tuner_frequency = params->frequency + 36166000;
	if (tuner_frequency < 87000000)
		return -EINVAL;
	else if (tuner_frequency < 130000000)
		cp = 3;
	else if (tuner_frequency < 160000000)
		cp = 5;
	else if (tuner_frequency < 200000000)
		cp = 6;
	else if (tuner_frequency < 290000000)
		cp = 3;
	else if (tuner_frequency < 420000000)
		cp = 5;
	else if (tuner_frequency < 480000000)
		cp = 6;
	else if (tuner_frequency < 620000000)
		cp = 3;
	else if (tuner_frequency < 830000000)
		cp = 5;
	else if (tuner_frequency < 895000000)
		cp = 7;
	else
		return -EINVAL;

	// determine band
	if (params->frequency < 49000000)
		return -EINVAL;
	else if (params->frequency < 161000000)
		band = 1;
	else if (params->frequency < 444000000)
		band = 2;
	else if (params->frequency < 861000000)
		band = 4;
	else
		return -EINVAL;

	// setup PLL filter
	switch (params->u.ofdm.bandwidth) {
	case BANDWIDTH_6_MHZ:
		filter = 0;
		break;

	case BANDWIDTH_7_MHZ:
		filter = 0;
		break;

	case BANDWIDTH_8_MHZ:
		filter = 1;
		break;

	default:
		return -EINVAL;
	}

	// calculate divisor
	// ((36166000+((1000000/6)/2)) + Finput)/(1000000/6)
	tuner_frequency = (((params->frequency / 1000) * 6) + 217496) / 1000;

	// setup tuner buffer
	tuner_buf[0] = (tuner_frequency >> 8) & 0x7f;
	tuner_buf[1] = tuner_frequency & 0xff;
	tuner_buf[2] = 0xca;
	tuner_buf[3] = (cp << 5) | (filter << 3) | band;

	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	if (i2c_transfer(&budget->i2c_adap, &tuner_msg, 1) != 1)
		return -EIO;

	msleep(1);
	return 0;
}

static int philips_tu1216_request_firmware(struct dvb_frontend *fe,
					   const struct firmware **fw, char *name)
{
	struct budget *budget = (struct budget *) fe->dvb->priv;

	return request_firmware(fw, name, &budget->dev->pci->dev);
}

static struct tda1004x_config philips_tu1216_config = {

	.demod_address = 0x8,
	.invert = 1,
	.invert_oclk = 1,
	.xtal_freq = TDA10046_XTAL_4M,
	.agc_config = TDA10046_AGC_DEFAULT,
	.if_freq = TDA10046_FREQ_3617,
	.request_firmware = philips_tu1216_request_firmware,
};

static u8 philips_sd1878_inittab[] = {
	0x01, 0x15,
	0x02, 0x30,
	0x03, 0x00,
	0x04, 0x7d,
	0x05, 0x35,
	0x06, 0x40,
	0x07, 0x00,
	0x08, 0x43,
	0x09, 0x02,
	0x0C, 0x51,
	0x0D, 0x82,
	0x0E, 0x23,
	0x10, 0x3f,
	0x11, 0x84,
	0x12, 0xb9,
	0x15, 0xc9,
	0x16, 0x19,
	0x17, 0x8c,
	0x18, 0x59,
	0x19, 0xf8,
	0x1a, 0xfe,
	0x1c, 0x7f,
	0x1d, 0x00,
	0x1e, 0x00,
	0x1f, 0x50,
	0x20, 0x00,
	0x21, 0x00,
	0x22, 0x00,
	0x23, 0x00,
	0x28, 0x00,
	0x29, 0x28,
	0x2a, 0x14,
	0x2b, 0x0f,
	0x2c, 0x09,
	0x2d, 0x09,
	0x31, 0x1f,
	0x32, 0x19,
	0x33, 0xfc,
	0x34, 0x93,
	0xff, 0xff
};

static int philips_sd1878_ci_set_symbol_rate(struct dvb_frontend *fe,
		u32 srate, u32 ratio)
{
	u8 aclk = 0;
	u8 bclk = 0;
	u8 m1;

	aclk = 0xb5;
	if (srate < 2000000)
		bclk = 0x86;
	else if (srate < 5000000)
		bclk = 0x89;
	else if (srate < 15000000)
		bclk = 0x8f;
	else if (srate < 45000000)
		bclk = 0x95;

	m1 = 0x14;
	if (srate < 4000000)
		m1 = 0x10;

	stv0299_writereg(fe, 0x0e, 0x23);
	stv0299_writereg(fe, 0x0f, 0x94);
	stv0299_writereg(fe, 0x10, 0x39);
	stv0299_writereg(fe, 0x13, aclk);
	stv0299_writereg(fe, 0x14, bclk);
	stv0299_writereg(fe, 0x15, 0xc9);
	stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
	stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
	stv0299_writereg(fe, 0x21, (ratio) & 0xf0);
	stv0299_writereg(fe, 0x0f, 0x80 | m1);

	return 0;
}

static struct stv0299_config philips_sd1878_config = {
	.demod_address = 0x68,
     .inittab = philips_sd1878_inittab,
	.mclk = 88000000UL,
	.invert = 0,
	.skip_reinit = 0,
	.lock_output = STV0229_LOCKOUTPUT_1,
	.volt13_op0_op1 = STV0299_VOLT13_OP0,
	.min_delay_ms = 100,
	.set_symbol_rate = philips_sd1878_ci_set_symbol_rate,
};

static u8 read_pwm(struct budget_av *budget_av)
{
	u8 b = 0xff;
	u8 pwm;
	struct i2c_msg msg[] = { {.addr = 0x50,.flags = 0,.buf = &b,.len = 1},
	{.addr = 0x50,.flags = I2C_M_RD,.buf = &pwm,.len = 1}
	};