saa7134-dvb.c

trident tm5600的linux驱动

/*
 *
 * (c) 2004 Gerd Knorr <[e-mail]> [SuSE Labs]
 *
 *  Extended 3 / 2005 by Hartmut Hackmann to support various
 *  cards with the tda10046 DVB-T channel decoder
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/init.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/suspend.h>

#include "saa7134-reg.h"
#include "saa7134.h"
#include <media/v4l2-common.h>
#include "dvb-pll.h"
#include <dvb_frontend.h>

#include "mt352.h"
#include "mt352_priv.h" /* FIXME */
#include "tda1004x.h"
#include "nxt200x.h"
#include "tuner-xc2028.h"

#include "tda10086.h"
#include "tda826x.h"
#include "tda827x.h"
#include "isl6421.h"
#include "isl6405.h"
#include "lnbp21.h"
#include "tuner-simple.h"

MODULE_AUTHOR("Gerd Knorr <[e-mail]> [SuSE Labs]");
MODULE_LICENSE("GPL");

static unsigned int antenna_pwr;

module_param(antenna_pwr, int, 0444);
MODULE_PARM_DESC(antenna_pwr,"enable antenna power (Pinnacle 300i)");

static int use_frontend;
module_param(use_frontend, int, 0644);
MODULE_PARM_DESC(use_frontend,"for cards with multiple frontends (0: terrestrial, 1: satellite)");

static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off module debugging (default:off).");

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

#define dprintk(fmt, arg...)	do { if (debug) \
	printk(KERN_DEBUG "%s/dvb: " fmt, dev->name , ## arg); } while(0)

/* Print a warning */
#define wprintk(fmt, arg...) \
	printk(KERN_WARNING "%s/dvb: " fmt, dev->name, ## arg)

/* ------------------------------------------------------------------
 * mt352 based DVB-T cards
 */

static int pinnacle_antenna_pwr(struct saa7134_dev *dev, int on)
{
	u32 ok;

	if (!on) {
		saa_setl(SAA7134_GPIO_GPMODE0 >> 2,     (1 << 26));
		saa_clearl(SAA7134_GPIO_GPSTATUS0 >> 2, (1 << 26));
		return 0;
	}

	saa_setl(SAA7134_GPIO_GPMODE0 >> 2,     (1 << 26));
	saa_setl(SAA7134_GPIO_GPSTATUS0 >> 2,   (1 << 26));
	udelay(10);

	saa_setl(SAA7134_GPIO_GPMODE0 >> 2,     (1 << 28));
	saa_clearl(SAA7134_GPIO_GPSTATUS0 >> 2, (1 << 28));
	udelay(10);
	saa_setl(SAA7134_GPIO_GPSTATUS0 >> 2,   (1 << 28));
	udelay(10);
	ok = saa_readl(SAA7134_GPIO_GPSTATUS0) & (1 << 27);
	dprintk("%s %s\n", __func__, ok ? "on" : "off");

	if (!ok)
		saa_clearl(SAA7134_GPIO_GPSTATUS0 >> 2,   (1 << 26));
	return ok;
}

static int mt352_pinnacle_init(struct dvb_frontend* fe)
{
	static u8 clock_config []  = { CLOCK_CTL,  0x3d, 0x28 };
	static u8 reset []         = { RESET,      0x80 };
	static u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
	static u8 agc_cfg []       = { AGC_TARGET, 0x28, 0xa0 };
	static u8 capt_range_cfg[] = { CAPT_RANGE, 0x31 };
	static u8 fsm_ctl_cfg[]    = { 0x7b,       0x04 };
	static u8 gpp_ctl_cfg []   = { GPP_CTL,    0x0f };
	static u8 scan_ctl_cfg []  = { SCAN_CTL,   0x0d };
	static u8 irq_cfg []       = { INTERRUPT_EN_0, 0x00, 0x00, 0x00, 0x00 };
	struct saa7134_dev *dev= fe->dvb->priv;

	dprintk("%s called\n", __func__);

	mt352_write(fe, clock_config,   sizeof(clock_config));
	udelay(200);
	mt352_write(fe, reset,          sizeof(reset));
	mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
	mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
	mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
	mt352_write(fe, gpp_ctl_cfg,    sizeof(gpp_ctl_cfg));

	mt352_write(fe, fsm_ctl_cfg,    sizeof(fsm_ctl_cfg));
	mt352_write(fe, scan_ctl_cfg,   sizeof(scan_ctl_cfg));
	mt352_write(fe, irq_cfg,        sizeof(irq_cfg));

	return 0;
}

static int mt352_aver777_init(struct dvb_frontend* fe)
{
	static u8 clock_config []  = { CLOCK_CTL,  0x38, 0x2d };
	static u8 reset []         = { RESET,      0x80 };
	static u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
	static u8 agc_cfg []       = { AGC_TARGET, 0x28, 0xa0 };
	static u8 capt_range_cfg[] = { CAPT_RANGE, 0x33 };

	mt352_write(fe, clock_config,   sizeof(clock_config));
	udelay(200);
	mt352_write(fe, reset,          sizeof(reset));
	mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
	mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
	mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));

	return 0;
}

static int mt352_avermedia_xc3028_init(struct dvb_frontend *fe)
{
	static u8 clock_config []  = { CLOCK_CTL, 0x38, 0x2d };
	static u8 reset []         = { RESET, 0x80 };
	static u8 adc_ctl_1_cfg [] = { ADC_CTL_1, 0x40 };
	static u8 agc_cfg []       = { AGC_TARGET, 0xe };
	static u8 capt_range_cfg[] = { CAPT_RANGE, 0x33 };

	mt352_write(fe, clock_config,   sizeof(clock_config));
	udelay(200);
	mt352_write(fe, reset,          sizeof(reset));
	mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
	mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
	mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
	return 0;
}

static int mt352_pinnacle_tuner_set_params(struct dvb_frontend* fe,
					   struct dvb_frontend_parameters* params)
{
	u8 off[] = { 0x00, 0xf1};
	u8 on[]  = { 0x00, 0x71};
	struct i2c_msg msg = {.addr=0x43, .flags=0, .buf=off, .len = sizeof(off)};

	struct saa7134_dev *dev = fe->dvb->priv;
	struct v4l2_frequency f;

	/* set frequency (mt2050) */
	f.tuner     = 0;
	f.type      = V4L2_TUNER_DIGITAL_TV;
	f.frequency = params->frequency / 1000 * 16 / 1000;
	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	i2c_transfer(&dev->i2c_adap, &msg, 1);
	saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,&f);
	msg.buf = on;
	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	i2c_transfer(&dev->i2c_adap, &msg, 1);

	pinnacle_antenna_pwr(dev, antenna_pwr);

	/* mt352 setup */
	return mt352_pinnacle_init(fe);
}

static struct mt352_config pinnacle_300i = {
	.demod_address = 0x3c >> 1,
	.adc_clock     = 20333,
	.if2           = 36150,
	.no_tuner      = 1,
	.demod_init    = mt352_pinnacle_init,
};

static struct mt352_config avermedia_777 = {
	.demod_address = 0xf,
	.demod_init    = mt352_aver777_init,
};

static struct mt352_config avermedia_xc3028_mt352_dev = {
	.demod_address   = (0x1e >> 1),
	.no_tuner        = 1,
	.demod_init      = mt352_avermedia_xc3028_init,
};

/* ==================================================================
 * tda1004x based DVB-T cards, helper functions
 */

static int philips_tda1004x_request_firmware(struct dvb_frontend *fe,
					   const struct firmware **fw, char *name)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	return request_firmware(fw, name, &dev->pci->dev);
}

/* ------------------------------------------------------------------
 * these tuners are tu1216, td1316(a)
 */

static int philips_tda6651_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	struct tda1004x_state *state = fe->demodulator_priv;
	u8 addr = state->config->tuner_address;
	u8 tuner_buf[4];
	struct i2c_msg tuner_msg = {.addr = addr,.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(&dev->i2c_adap, &tuner_msg, 1) != 1) {
		wprintk("could not write to tuner at addr: 0x%02x\n",
			addr << 1);
		return -EIO;
	}
	msleep(1);
	return 0;
}

static int philips_tu1216_init(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	struct tda1004x_state *state = fe->demodulator_priv;
	u8 addr = state->config->tuner_address;
	static u8 tu1216_init[] = { 0x0b, 0xf5, 0x85, 0xab };
	struct i2c_msg tuner_msg = {.addr = addr,.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(&dev->i2c_adap, &tuner_msg, 1) != 1)
		return -EIO;
	msleep(1);

	return 0;
}

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

static struct tda1004x_config philips_tu1216_60_config = {
	.demod_address = 0x8,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_4M,
	.agc_config    = TDA10046_AGC_DEFAULT,
	.if_freq       = TDA10046_FREQ_3617,
	.tuner_address = 0x60,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config philips_tu1216_61_config = {

	.demod_address = 0x8,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_4M,
	.agc_config    = TDA10046_AGC_DEFAULT,
	.if_freq       = TDA10046_FREQ_3617,
	.tuner_address = 0x61,
	.request_firmware = philips_tda1004x_request_firmware
};

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

static int philips_td1316_tuner_init(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	struct tda1004x_state *state = fe->demodulator_priv;
	u8 addr = state->config->tuner_address;
	static u8 msg[] = { 0x0b, 0xf5, 0x86, 0xab };
	struct i2c_msg init_msg = {.addr = addr,.flags = 0,.buf = msg,.len = sizeof(msg) };

	/* setup PLL configuration */
	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	if (i2c_transfer(&dev->i2c_adap, &init_msg, 1) != 1)
		return -EIO;
	return 0;
}

static int philips_td1316_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
	return philips_tda6651_pll_set(fe, params);
}

static int philips_td1316_tuner_sleep(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	struct tda1004x_state *state = fe->demodulator_priv;
	u8 addr = state->config->tuner_address;
	static u8 msg[] = { 0x0b, 0xdc, 0x86, 0xa4 };
	struct i2c_msg analog_msg = {.addr = addr,.flags = 0,.buf = msg,.len = sizeof(msg) };

	/* switch the tuner to analog mode */
	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	if (i2c_transfer(&dev->i2c_adap, &analog_msg, 1) != 1)
		return -EIO;
	return 0;
}

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

static int philips_europa_tuner_init(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	static u8 msg[] = { 0x00, 0x40};
	struct i2c_msg init_msg = {.addr = 0x43,.flags = 0,.buf = msg,.len = sizeof(msg) };


	if (philips_td1316_tuner_init(fe))
		return -EIO;
	msleep(1);
	if (i2c_transfer(&dev->i2c_adap, &init_msg, 1) != 1)
		return -EIO;

	return 0;
}

static int philips_europa_tuner_sleep(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;

	static u8 msg[] = { 0x00, 0x14 };
	struct i2c_msg analog_msg = {.addr = 0x43,.flags = 0,.buf = msg,.len = sizeof(msg) };

	if (philips_td1316_tuner_sleep(fe))
		return -EIO;

	/* switch the board to analog mode */
	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	i2c_transfer(&dev->i2c_adap, &analog_msg, 1);
	return 0;
}

static int philips_europa_demod_sleep(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;

	if (dev->original_demod_sleep)
		dev->original_demod_sleep(fe);
	fe->ops.i2c_gate_ctrl(fe, 1);
	return 0;
}

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,
	.tuner_address = 0x61,
	.request_firmware = philips_tda1004x_request_firmware
};

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,
	.tuner_address = 0x61,
	.request_firmware = philips_tda1004x_request_firmware
};

/* ------------------------------------------------------------------
 * tda 1004x based cards with philips silicon tuner
 */

static int tda8290_i2c_gate_ctrl( struct dvb_frontend* fe, int enable)
{
	struct tda1004x_state *state = fe->demodulator_priv;

	u8 addr = state->config->i2c_gate;
	static u8 tda8290_close[] = { 0x21, 0xc0};
	static u8 tda8290_open[]  = { 0x21, 0x80};
	struct i2c_msg tda8290_msg = {.addr = addr,.flags = 0, .len = 2};
	if (enable) {
		tda8290_msg.buf = tda8290_close;
	} else {
		tda8290_msg.buf = tda8290_open;
	}
	if (i2c_transfer(state->i2c, &tda8290_msg, 1) != 1) {
		struct saa7134_dev *dev = fe->dvb->priv;
		wprintk("could not access tda8290 I2C gate\n");
		return -EIO;
	}
	msleep(20);
	return 0;