flexcop-fe-tuner.c

trident tm5600的linux驱动

/*
 * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
 *
 * flexcop-fe-tuner.c - methods for attaching a frontend and controlling DiSEqC.
 *
 * see flexcop.c for copyright information.
 */
#include <media/tuner.h>

#include "flexcop.h"

#include "stv0299.h"
#include "mt352.h"
#include "nxt200x.h"
#include "bcm3510.h"
#include "stv0297.h"
#include "mt312.h"
#include "lgdt330x.h"
#include "dvb-pll.h"
#include "tuner-simple.h"

#include "s5h1420.h"
#include "itd1000.h"

#include "cx24123.h"
#include "cx24113.h"

#include "isl6421.h"

/* lnb control */

static int flexcop_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
{
	struct flexcop_device *fc = fe->dvb->priv;
	flexcop_ibi_value v;
	deb_tuner("polarity/voltage = %u\n", voltage);

	v = fc->read_ibi_reg(fc, misc_204);
	switch (voltage) {
		case SEC_VOLTAGE_OFF:
			v.misc_204.ACPI1_sig = 1;
			break;
		case SEC_VOLTAGE_13:
			v.misc_204.ACPI1_sig = 0;
			v.misc_204.LNB_L_H_sig = 0;
			break;
		case SEC_VOLTAGE_18:
			v.misc_204.ACPI1_sig = 0;
			v.misc_204.LNB_L_H_sig = 1;
			break;
		default:
			err("unknown SEC_VOLTAGE value");
			return -EINVAL;
	}
	return fc->write_ibi_reg(fc, misc_204, v);
}

static int flexcop_sleep(struct dvb_frontend* fe)
{
	struct flexcop_device *fc = fe->dvb->priv;
/*	flexcop_ibi_value v = fc->read_ibi_reg(fc,misc_204); */

	if (fc->fe_sleep)
		return fc->fe_sleep(fe);

/*	v.misc_204.ACPI3_sig = 1;
	fc->write_ibi_reg(fc,misc_204,v);*/

	return 0;
}

static int flexcop_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
{
	/* u16 wz_half_period_for_45_mhz[] = { 0x01ff, 0x0154, 0x00ff, 0x00cc }; */
	struct flexcop_device *fc = fe->dvb->priv;
	flexcop_ibi_value v;
	u16 ax;
	v.raw = 0;

	deb_tuner("tone = %u\n",tone);

	switch (tone) {
		case SEC_TONE_ON:
			ax = 0x01ff;
			break;
		case SEC_TONE_OFF:
			ax = 0;
			break;
		default:
			err("unknown SEC_TONE value");
			return -EINVAL;
	}

	v.lnb_switch_freq_200.LNB_CTLPrescaler_sig = 1; /* divide by 2 */

	v.lnb_switch_freq_200.LNB_CTLHighCount_sig = ax;
	v.lnb_switch_freq_200.LNB_CTLLowCount_sig  = ax == 0 ? 0x1ff : ax;

	return fc->write_ibi_reg(fc,lnb_switch_freq_200,v);
}

static void flexcop_diseqc_send_bit(struct dvb_frontend* fe, int data)
{
	flexcop_set_tone(fe, SEC_TONE_ON);
	udelay(data ? 500 : 1000);
	flexcop_set_tone(fe, SEC_TONE_OFF);
	udelay(data ? 1000 : 500);
}

static void flexcop_diseqc_send_byte(struct dvb_frontend* fe, int data)
{
	int i, par = 1, d;

	for (i = 7; i >= 0; i--) {
		d = (data >> i) & 1;
		par ^= d;
		flexcop_diseqc_send_bit(fe, d);
	}

	flexcop_diseqc_send_bit(fe, par);
}

static int flexcop_send_diseqc_msg(struct dvb_frontend* fe, int len, u8 *msg, unsigned long burst)
{
	int i;

	flexcop_set_tone(fe, SEC_TONE_OFF);
	mdelay(16);

	for (i = 0; i < len; i++)
		flexcop_diseqc_send_byte(fe,msg[i]);

	mdelay(16);

	if (burst != -1) {
		if (burst)
			flexcop_diseqc_send_byte(fe, 0xff);
		else {
			flexcop_set_tone(fe, SEC_TONE_ON);
			mdelay(12);
			udelay(500);
			flexcop_set_tone(fe, SEC_TONE_OFF);
		}
		msleep(20);
	}
	return 0;
}

static int flexcop_diseqc_send_master_cmd(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd)
{
	return flexcop_send_diseqc_msg(fe, cmd->msg_len, cmd->msg, 0);
}

static int flexcop_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd)
{
	return flexcop_send_diseqc_msg(fe, 0, NULL, minicmd);
}

/* dvb-s stv0299 */
static int samsung_tbmu24112_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio)
{
	u8 aclk = 0;
	u8 bclk = 0;

	if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; }
	else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; }
	else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; }
	else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; }
	else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; }
	else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; }

	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);

	return 0;
}

static int samsung_tbmu24112_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters *params)
{
	u8 buf[4];
	u32 div;
	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
	struct flexcop_device *fc = fe->dvb->priv;

	div = params->frequency / 125;

	buf[0] = (div >> 8) & 0x7f;
	buf[1] = div & 0xff;
	buf[2] = 0x84;  /* 0xC4 */
	buf[3] = 0x08;

	if (params->frequency < 1500000)
		buf[3] |= 0x10;

	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 u8 samsung_tbmu24112_inittab[] = {
	     0x01, 0x15,
	     0x02, 0x30,
	     0x03, 0x00,
	     0x04, 0x7D,
	     0x05, 0x35,
	     0x06, 0x02,
	     0x07, 0x00,
	     0x08, 0xC3,
	     0x0C, 0x00,
	     0x0D, 0x81,
	     0x0E, 0x23,
	     0x0F, 0x12,
	     0x10, 0x7E,
	     0x11, 0x84,
	     0x12, 0xB9,
	     0x13, 0x88,
	     0x14, 0x89,
	     0x15, 0xC9,
	     0x16, 0x00,
	     0x17, 0x5C,
	     0x18, 0x00,
	     0x19, 0x00,
	     0x1A, 0x00,
	     0x1C, 0x00,
	     0x1D, 0x00,
	     0x1E, 0x00,
	     0x1F, 0x3A,
	     0x20, 0x2E,
	     0x21, 0x80,
	     0x22, 0xFF,
	     0x23, 0xC1,
	     0x28, 0x00,
	     0x29, 0x1E,
	     0x2A, 0x14,
	     0x2B, 0x0F,
	     0x2C, 0x09,
	     0x2D, 0x05,
	     0x31, 0x1F,
	     0x32, 0x19,
	     0x33, 0xFE,
	     0x34, 0x93,
	     0xff, 0xff,
};

static struct stv0299_config samsung_tbmu24112_config = {
	.demod_address = 0x68,
	.inittab = samsung_tbmu24112_inittab,
	.mclk = 88000000UL,
	.invert = 0,
	.skip_reinit = 0,
	.lock_output = STV0299_LOCKOUTPUT_LK,
	.volt13_op0_op1 = STV0299_VOLT13_OP1,
	.min_delay_ms = 100,
	.set_symbol_rate = samsung_tbmu24112_set_symbol_rate,
};

/* dvb-t mt352 */
static int samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
{
	static u8 mt352_clock_config [] = { 0x89, 0x18, 0x2d };
	static u8 mt352_reset [] = { 0x50, 0x80 };
	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
	static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0xa1 };
	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };

	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
	udelay(2000);
	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));

	mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));

	return 0;
}

static int samsung_tdtc9251dh0_calc_regs(struct dvb_frontend* fe, struct dvb_frontend_parameters *params, u8* pllbuf, int buf_len)
{
	u32 div;
	unsigned char bs = 0;

	if (buf_len < 5)
		return -EINVAL;

	#define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
	div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;

	if (params->frequency >= 48000000 && params->frequency <= 154000000) bs = 0x09;
	if (params->frequency >= 161000000 && params->frequency <= 439000000) bs = 0x0a;
	if (params->frequency >= 447000000 && params->frequency <= 863000000) bs = 0x08;

	pllbuf[0] = 0x61;
	pllbuf[1] = div >> 8;
	pllbuf[2] = div & 0xff;
	pllbuf[3] = 0xcc;
	pllbuf[4] = bs;

	return 5;
}

static struct mt352_config samsung_tdtc9251dh0_config = {
	.demod_address = 0x0f,
	.demod_init    = samsung_tdtc9251dh0_demod_init,
};

static int flexcop_fe_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
{
	struct flexcop_device *fc = fe->dvb->priv;
	return request_firmware(fw, name, fc->dev);
}

static struct lgdt330x_config air2pc_atsc_hd5000_config = {
	.demod_address       = 0x59,
	.demod_chip          = LGDT3303,
	.serial_mpeg         = 0x04,
	.clock_polarity_flip = 1,
};

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

static struct bcm3510_config air2pc_atsc_first_gen_config = {
	.demod_address    = 0x0f,
	.request_firmware = flexcop_fe_request_firmware,
};

static int skystar23_samsung_tbdu18132_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters *params)
{
	u8 buf[4];
	u32 div;
	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
	struct flexcop_device *fc = fe->dvb->priv;

	div = (params->frequency + (125/2)) / 125;

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