saa7134-dvb.c

trident tm5600的linux驱动

}

static int philips_tda827x_tuner_init(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	struct tda1004x_state *state = fe->demodulator_priv;

	switch (state->config->antenna_switch) {
	case 0: break;
	case 1:	dprintk("setting GPIO21 to 0 (TV antenna?)\n");
		saa7134_set_gpio(dev, 21, 0);
		break;
	case 2: dprintk("setting GPIO21 to 1 (Radio antenna?)\n");
		saa7134_set_gpio(dev, 21, 1);
		break;
	}
	return 0;
}

static int philips_tda827x_tuner_sleep(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	struct tda1004x_state *state = fe->demodulator_priv;

	switch (state->config->antenna_switch) {
	case 0: break;
	case 1: dprintk("setting GPIO21 to 1 (Radio antenna?)\n");
		saa7134_set_gpio(dev, 21, 1);
		break;
	case 2:	dprintk("setting GPIO21 to 0 (TV antenna?)\n");
		saa7134_set_gpio(dev, 21, 0);
		break;
	}
	return 0;
}

static int configure_tda827x_fe(struct saa7134_dev *dev,
				struct tda1004x_config *cdec_conf,
				struct tda827x_config *tuner_conf)
{
	struct videobuf_dvb_frontend *fe0;

	/* Get the first frontend */
	fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);

	fe0->dvb.frontend = dvb_attach(tda10046_attach, cdec_conf, &dev->i2c_adap);
	if (fe0->dvb.frontend) {
		if (cdec_conf->i2c_gate)
			fe0->dvb.frontend->ops.i2c_gate_ctrl = tda8290_i2c_gate_ctrl;
		if (dvb_attach(tda827x_attach, fe0->dvb.frontend,
			       cdec_conf->tuner_address,
			       &dev->i2c_adap, tuner_conf))
			return 0;

		wprintk("no tda827x tuner found at addr: %02x\n",
				cdec_conf->tuner_address);
	}
	return -EINVAL;
}

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

static struct tda827x_config tda827x_cfg_0 = {
	.init = philips_tda827x_tuner_init,
	.sleep = philips_tda827x_tuner_sleep,
	.config = 0,
	.switch_addr = 0
};

static struct tda827x_config tda827x_cfg_1 = {
	.init = philips_tda827x_tuner_init,
	.sleep = philips_tda827x_tuner_sleep,
	.config = 1,
	.switch_addr = 0x4b
};

static struct tda827x_config tda827x_cfg_2 = {
	.init = philips_tda827x_tuner_init,
	.sleep = philips_tda827x_tuner_sleep,
	.config = 2,
	.switch_addr = 0x4b
};

static struct tda827x_config tda827x_cfg_2_sw42 = {
	.init = philips_tda827x_tuner_init,
	.sleep = philips_tda827x_tuner_sleep,
	.config = 2,
	.switch_addr = 0x42
};

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

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,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.tuner_address = 0x60,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config philips_tiger_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.antenna_switch= 1,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config cinergy_ht_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP01_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config cinergy_ht_pci_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP01_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x60,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config philips_tiger_s_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP01_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.antenna_switch= 1,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config pinnacle_pctv_310i_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config hauppauge_hvr_1110_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config asus_p7131_dual_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.antenna_switch= 2,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config lifeview_trio_config = {
	.demod_address = 0x09,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP00_I,
	.if_freq       = TDA10046_FREQ_045,
	.tuner_address = 0x60,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config tevion_dvbt220rf_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.tuner_address = 0x60,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config md8800_dvbt_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP01_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x60,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config asus_p7131_4871_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP01_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.antenna_switch= 2,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config asus_p7131_hybrid_lna_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.antenna_switch= 2,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config kworld_dvb_t_210_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.antenna_switch= 1,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config avermedia_super_007_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP01_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x60,
	.antenna_switch= 1,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config twinhan_dtv_dvb_3056_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP01_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x42,
	.tuner_address = 0x61,
	.antenna_switch = 1,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config asus_tiger_3in1_config = {
	.demod_address = 0x0b,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.antenna_switch = 1,
	.request_firmware = philips_tda1004x_request_firmware
};

/* ------------------------------------------------------------------
 * special case: this card uses saa713x GPIO22 for the mode switch
 */

static int ads_duo_tuner_init(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	philips_tda827x_tuner_init(fe);
	/* route TDA8275a AGC input to the channel decoder */
	saa7134_set_gpio(dev, 22, 1);
	return 0;
}

static int ads_duo_tuner_sleep(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	/* route TDA8275a AGC input to the analog IF chip*/
	saa7134_set_gpio(dev, 22, 0);
	philips_tda827x_tuner_sleep(fe);
	return 0;
}

static struct tda827x_config ads_duo_cfg = {
	.init = ads_duo_tuner_init,
	.sleep = ads_duo_tuner_sleep,
	.config = 0
};

static struct tda1004x_config ads_tech_duo_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP00_I,
	.if_freq       = TDA10046_FREQ_045,
	.tuner_address = 0x61,
	.request_firmware = philips_tda1004x_request_firmware
};

/* ==================================================================
 * tda10086 based DVB-S cards, helper functions
 */

static struct tda10086_config flydvbs = {
	.demod_address = 0x0e,
	.invert = 0,
	.diseqc_tone = 0,
	.xtal_freq = TDA10086_XTAL_16M,
};

static struct tda10086_config sd1878_4m = {
	.demod_address = 0x0e,
	.invert = 0,
	.diseqc_tone = 0,
	.xtal_freq = TDA10086_XTAL_4M,
};

/* ------------------------------------------------------------------
 * special case: lnb supply is connected to the gated i2c
 */

static int md8800_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
{
	int res = -EIO;
	struct saa7134_dev *dev = fe->dvb->priv;
	if (fe->ops.i2c_gate_ctrl) {
		fe->ops.i2c_gate_ctrl(fe, 1);
		if (dev->original_set_voltage)
			res = dev->original_set_voltage(fe, voltage);
		fe->ops.i2c_gate_ctrl(fe, 0);
	}
	return res;
};

static int md8800_set_high_voltage(struct dvb_frontend *fe, long arg)
{
	int res = -EIO;
	struct saa7134_dev *dev = fe->dvb->priv;
	if (fe->ops.i2c_gate_ctrl) {
		fe->ops.i2c_gate_ctrl(fe, 1);
		if (dev->original_set_high_voltage)
			res = dev->original_set_high_voltage(fe, arg);
		fe->ops.i2c_gate_ctrl(fe, 0);
	}
	return res;
};

static int md8800_set_voltage2(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	u8 wbuf[2] = { 0x1f, 00 };
	u8 rbuf;
	struct i2c_msg msg[] = { { .addr = 0x08, .flags = 0, .buf = wbuf, .len = 1 },
				 { .addr = 0x08, .flags = I2C_M_RD, .buf = &rbuf, .len = 1 } };

	if (i2c_transfer(&dev->i2c_adap, msg, 2) != 2)
		return -EIO;
	/* NOTE: this assumes that gpo1 is used, it might be bit 5 (gpo2) */
	if (voltage == SEC_VOLTAGE_18)
		wbuf[1] = rbuf | 0x10;
	else
		wbuf[1] = rbuf & 0xef;
	msg[0].len = 2;
	i2c_transfer(&dev->i2c_adap, msg, 1);
	return 0;
}

static int md8800_set_high_voltage2(struct dvb_frontend *fe, long arg)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	wprintk("%s: sorry can't set high LNB supply voltage from here\n", __func__);
	return -EIO;
}

/* ==================================================================
 * nxt200x based ATSC cards, helper functions
 */

static struct nxt200x_config avertvhda180 = {
	.demod_address    = 0x0a,
};

static struct nxt200x_config kworldatsc110 = {
	.demod_address    = 0x0a,
};

/* ==================================================================
 * Core code
 */

static int dvb_init(struct saa7134_dev *dev)
{
	int ret;
	int attach_xc3028 = 0;
	struct videobuf_dvb_frontend *fe0;

	/* FIXME: add support for multi-frontend */
	mutex_init(&dev->frontends.lock);
	INIT_LIST_HEAD(&dev->frontends.felist);
	dev->frontends.active_fe_id = 0;

	printk(KERN_INFO "%s() allocating 1 frontend\n", __func__);

	if (videobuf_dvb_alloc_frontend(&dev->frontends, 1) == NULL) {
		printk(KERN_ERR "%s() failed to alloc\n", __func__);
		return -ENOMEM;
	}

	/* Get the first frontend */
	fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
	if (!fe0)
		return -EINVAL;

	/* init struct videobuf_dvb */
	dev->ts.nr_bufs    = 32;
	dev->ts.nr_packets = 32*4;
	fe0->dvb.name = dev->name;
	videobuf_queue_sg_init(&fe0->dvb.dvbq, &saa7134_ts_qops,
			    &dev->pci->dev, &dev->slock,
			    V4L2_BUF_TYPE_VIDEO_CAPTURE,
			    V4L2_FIELD_ALTERNATE,
			    sizeof(struct saa7134_buf),
			    dev);

	switch (dev->board) {
	case SAA7134_BOARD_PINNACLE_300I_DVBT_PAL:
		dprintk("pinnacle 300i dvb setup\n");
		fe0->dvb.frontend = dvb_attach(mt352_attach, &pinnacle_300i,
					       &dev->i2c_adap);
		if (fe0->dvb.frontend) {
			fe0->dvb.frontend->ops.tuner_ops.set_params = mt352_pinnacle_tuner_set_params;
		}
		break;
	case SAA7134_BOARD_AVERMEDIA_777:
	case SAA7134_BOARD_AVERMEDIA_A16AR:
		dprintk("avertv 777 dvb setup\n");
		fe0->dvb.frontend = dvb_attach(mt352_attach, &avermedia_777,