flexcop-fe-tuner.c

trident tm5600的linux驱动

	buf[1] = (div >> 0) & 0xff;
	buf[2] = 0x84 | ((div >> 10) & 0x60);
	buf[3] = 0x80;

	if (params->frequency < 1550000)
		buf[3] |= 0x02;

	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	if (i2c_transfer(&fc->fc_i2c_adap[0].i2c_adap, &msg, 1) != 1)
		return -EIO;
	return 0;
}

static struct mt312_config skystar23_samsung_tbdu18132_config = {

	.demod_address = 0x0e,
};

static int alps_tdee4_stv0297_tuner_set_params(struct dvb_frontend* fe,
					       struct dvb_frontend_parameters *fep)
{
	struct flexcop_device *fc = fe->dvb->priv;
	u8 buf[4];
	u16 div;
	int ret;

/*  62.5 kHz * 10 */
#define REF_FREQ    625
#define FREQ_OFFSET 36125

	div = ((fep->frequency/1000 + FREQ_OFFSET ) * 10)  / REF_FREQ; // 4 MHz = 4000 KHz

	buf[0] = (u8)( div >> 8) & 0x7f;
	buf[1] = (u8)        div & 0xff;

/* F(osc) = N * Reference Freq. (62.5 kHz)
 * byte 2 :  0 N14 N13 N12 N11 N10 N9  N8
 * byte 3 : N7 N6  N5  N4  N3  N2  N1  N0
 * byte 4 : 1  *   *   AGD R3  R2  R1  R0
 * byte 5 : C1 *   RE  RTS BS4 BS3 BS2 BS1
 * AGD = 1, R3 R2 R1 R0 = 0 1 0 1 => byte 4 = 1**10101 = 0x95 */
	buf[2] = 0x95;

// Range(MHz)  C1 *  RE RTS BS4 BS3 BS2 BS1  Byte 5
//  47 - 153   0  *  0   0   0   0   0   1   0x01
// 153 - 430   0  *  0   0   0   0   1   0   0x02
// 430 - 822   0  *  0   0   1   0   0   0   0x08
// 822 - 862   1  *  0   0   1   0   0   0   0x88

	     if (fep->frequency <= 153000000) buf[3] = 0x01;
	else if (fep->frequency <= 430000000) buf[3] = 0x02;
	else if (fep->frequency <= 822000000) buf[3] = 0x08;
	else buf[3] = 0x88;

	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 0);
	deb_tuner("tuner buffer for %d Hz: %x %x %x %x\n",fep->frequency, buf[0],buf[1],buf[2],buf[3]);
	ret = fc->i2c_request(&fc->fc_i2c_adap[2],
		FC_WRITE, 0x61, buf[0], &buf[1], 3);
	deb_tuner("tuner write returned: %d\n",ret);

	return ret;
}

static u8 alps_tdee4_stv0297_inittab[] = {
	0x80, 0x01,
	0x80, 0x00,
	0x81, 0x01,
	0x81, 0x00,
	0x00, 0x48,
	0x01, 0x58,
	0x03, 0x00,
	0x04, 0x00,
	0x07, 0x00,
	0x08, 0x00,
	0x30, 0xff,
	0x31, 0x9d,
	0x32, 0xff,
	0x33, 0x00,
	0x34, 0x29,
	0x35, 0x55,
	0x36, 0x80,
	0x37, 0x6e,
	0x38, 0x9c,
	0x40, 0x1a,
	0x41, 0xfe,
	0x42, 0x33,
	0x43, 0x00,
	0x44, 0xff,
	0x45, 0x00,
	0x46, 0x00,
	0x49, 0x04,
	0x4a, 0x51,
	0x4b, 0xf8,
	0x52, 0x30,
	0x53, 0x06,
	0x59, 0x06,
	0x5a, 0x5e,
	0x5b, 0x04,
	0x61, 0x49,
	0x62, 0x0a,
	0x70, 0xff,
	0x71, 0x04,
	0x72, 0x00,
	0x73, 0x00,
	0x74, 0x0c,
	0x80, 0x20,
	0x81, 0x00,
	0x82, 0x30,
	0x83, 0x00,
	0x84, 0x04,
	0x85, 0x22,
	0x86, 0x08,
	0x87, 0x1b,
	0x88, 0x00,
	0x89, 0x00,
	0x90, 0x00,
	0x91, 0x04,
	0xa0, 0x86,
	0xa1, 0x00,
	0xa2, 0x00,
	0xb0, 0x91,
	0xb1, 0x0b,
	0xc0, 0x5b,
	0xc1, 0x10,
	0xc2, 0x12,
	0xd0, 0x02,
	0xd1, 0x00,
	0xd2, 0x00,
	0xd3, 0x00,
	0xd4, 0x02,
	0xd5, 0x00,
	0xde, 0x00,
	0xdf, 0x01,
	0xff, 0xff,
};

static struct stv0297_config alps_tdee4_stv0297_config = {
	.demod_address = 0x1c,
	.inittab = alps_tdee4_stv0297_inittab,
//	.invert = 1,
//	.pll_set = alps_tdee4_stv0297_pll_set,
};


/* SkyStar2 rev2.7 (a/u) */
static struct s5h1420_config skystar2_rev2_7_s5h1420_config = {
	.demod_address = 0x53,
	.invert = 1,
	.repeated_start_workaround = 1,
	.serial_mpeg = 1,
};

static struct itd1000_config skystar2_rev2_7_itd1000_config = {
	.i2c_address = 0x61,
};

/* SkyStar2 rev2.8 */
static struct cx24123_config skystar2_rev2_8_cx24123_config = {
	.demod_address = 0x55,
	.dont_use_pll = 1,
	.agc_callback = cx24113_agc_callback,
};

static const struct cx24113_config skystar2_rev2_8_cx24113_config = {
	.i2c_addr = 0x54,
	.xtal_khz = 10111,
};

/* try to figure out the frontend, each card/box can have on of the following list */
int flexcop_frontend_init(struct flexcop_device *fc)
{
	struct dvb_frontend_ops *ops;
	struct i2c_adapter *i2c = &fc->fc_i2c_adap[0].i2c_adap;
	struct i2c_adapter *i2c_tuner;

	/* enable no_base_addr - no repeated start when reading */
	fc->fc_i2c_adap[0].no_base_addr = 1;
	fc->fe = dvb_attach(s5h1420_attach, &skystar2_rev2_7_s5h1420_config, i2c);
	if (fc->fe != NULL) {
		flexcop_ibi_value r108;
		i2c_tuner = s5h1420_get_tuner_i2c_adapter(fc->fe);
		ops = &fc->fe->ops;

		fc->fe_sleep = ops->sleep;
		ops->sleep   = flexcop_sleep;

		fc->dev_type = FC_SKY_REV27;

		/* enable no_base_addr - no repeated start when reading */
		fc->fc_i2c_adap[2].no_base_addr = 1;
		if (dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap, 0x08, 1, 1) == NULL)
			err("ISL6421 could NOT be attached");
		else
			info("ISL6421 successfully attached");

		/* the ITD1000 requires a lower i2c clock - it slows down the stuff for everyone - but is it a problem ? */
		r108.raw = 0x00000506;
		fc->write_ibi_reg(fc, tw_sm_c_108, r108);
		if (i2c_tuner) {
			if (dvb_attach(itd1000_attach, fc->fe, i2c_tuner, &skystar2_rev2_7_itd1000_config) == NULL)
				err("ITD1000 could NOT be attached");
			else
				info("ITD1000 successfully attached");
		}
		goto fe_found;
	}
	fc->fc_i2c_adap[0].no_base_addr = 0; /* for the next devices we need it again */

	/* try the sky v2.8 (cx24123, isl6421) */
	fc->fe = dvb_attach(cx24123_attach,
		&skystar2_rev2_8_cx24123_config, i2c);
	if (fc->fe != NULL) {
		i2c_tuner = cx24123_get_tuner_i2c_adapter(fc->fe);
		if (i2c_tuner != NULL) {
			if (dvb_attach(cx24113_attach, fc->fe,
					&skystar2_rev2_8_cx24113_config,
					i2c_tuner) == NULL)
				err("CX24113 could NOT be attached");
			else
				info("CX24113 successfully attached");
		}

		fc->dev_type = FC_SKY_REV28;

		fc->fc_i2c_adap[2].no_base_addr = 1;
		if (dvb_attach(isl6421_attach, fc->fe,
		       &fc->fc_i2c_adap[2].i2c_adap, 0x08, 0, 0) == NULL)
			err("ISL6421 could NOT be attached");
		else
			info("ISL6421 successfully attached");

		/* TODO on i2c_adap[1] addr 0x11 (EEPROM) there seems to be an
		 * IR-receiver (PIC16F818) - but the card has no input for
		 * that ??? */

		goto fe_found;
    }

	/* try the sky v2.6 (stv0299/Samsung tbmu24112(sl1935)) */
	fc->fe = dvb_attach(stv0299_attach, &samsung_tbmu24112_config, i2c);
	if (fc->fe != NULL) {
		ops = &fc->fe->ops;

		ops->tuner_ops.set_params = samsung_tbmu24112_tuner_set_params;

		ops->set_voltage = flexcop_set_voltage;

		fc->fe_sleep = ops->sleep;
		ops->sleep = flexcop_sleep;

		fc->dev_type = FC_SKY;
		goto fe_found;
	}

	/* try the air dvb-t (mt352/Samsung tdtc9251dh0(??)) */
	fc->fe = dvb_attach(mt352_attach, &samsung_tdtc9251dh0_config, i2c);
	if (fc->fe != NULL) {
		fc->dev_type = FC_AIR_DVB;
		fc->fe->ops.tuner_ops.calc_regs = samsung_tdtc9251dh0_calc_regs;
		goto fe_found;
	}

	/* try the air atsc 2nd generation (nxt2002) */
	fc->fe = dvb_attach(nxt200x_attach, &samsung_tbmv_config, i2c);
	if (fc->fe != NULL) {
		fc->dev_type = FC_AIR_ATSC2;
		dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL, DVB_PLL_SAMSUNG_TBMV);
		goto fe_found;
	}

	fc->fe = dvb_attach(lgdt330x_attach, &air2pc_atsc_hd5000_config, i2c);
	if (fc->fe != NULL) {
		fc->dev_type = FC_AIR_ATSC3;
		dvb_attach(simple_tuner_attach, fc->fe, i2c, 0x61,
				TUNER_LG_TDVS_H06XF);
		goto fe_found;
	}

	/* try the air atsc 1nd generation (bcm3510)/panasonic ct10s */
	fc->fe = dvb_attach(bcm3510_attach, &air2pc_atsc_first_gen_config, i2c);
	if (fc->fe != NULL) {
		fc->dev_type = FC_AIR_ATSC1;
		goto fe_found;
	}

	/* try the cable dvb (stv0297) */
	fc->fe = dvb_attach(stv0297_attach, &alps_tdee4_stv0297_config, i2c);
	if (fc->fe != NULL) {
		fc->dev_type = FC_CABLE;
		fc->fe->ops.tuner_ops.set_params = alps_tdee4_stv0297_tuner_set_params;
		goto fe_found;
	}

	/* try the sky v2.3 (vp310/Samsung tbdu18132(tsa5059)) */
	fc->fe = dvb_attach(mt312_attach,
		&skystar23_samsung_tbdu18132_config, i2c);
	if (fc->fe != NULL) {
		ops = &fc->fe->ops;

		ops->tuner_ops.set_params = skystar23_samsung_tbdu18132_tuner_set_params;

		ops->diseqc_send_master_cmd = flexcop_diseqc_send_master_cmd;
		ops->diseqc_send_burst      = flexcop_diseqc_send_burst;
		ops->set_tone               = flexcop_set_tone;
		ops->set_voltage            = flexcop_set_voltage;

		fc->fe_sleep                = ops->sleep;
		ops->sleep                  = flexcop_sleep;

		fc->dev_type                = FC_SKY_OLD;
		goto fe_found;
	}

	err("no frontend driver found for this B2C2/FlexCop adapter");
	return -ENODEV;

fe_found:
	info("found '%s' .", fc->fe->ops.info.name);
	if (dvb_register_frontend(&fc->dvb_adapter, fc->fe)) {
		err("frontend registration failed!");
		ops = &fc->fe->ops;
		if (ops->release != NULL)
			ops->release(fc->fe);
		fc->fe = NULL;
		return -EINVAL;
	}
	fc->init_state |= FC_STATE_FE_INIT;
	return 0;
}

void flexcop_frontend_exit(struct flexcop_device *fc)
{
	if (fc->init_state & FC_STATE_FE_INIT) {
		dvb_unregister_frontend(fc->fe);
		dvb_frontend_detach(fc->fe);
	}

	fc->init_state &= ~FC_STATE_FE_INIT;
}