Commit 42afd061 authored by Patrick Boettcher's avatar Patrick Boettcher Committed by Mauro Carvalho Chehab
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V4L/DVB (4461): Added missing dibx000-common code and headers



The first commit omitted the common-code and header-files.

Signed-off-by: default avatarPatrick Boettcher <pb@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent b7571f8d
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/*
 * Driver for DiBcom DiB3000MC/P-demodulator.
 *
 * Copyright (C) 2004-6 DiBcom (http://www.dibcom.fr/)
 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher\@desy.de)
 *
 * This code is partially based on the previous dib3000mc.c .
 *
 * 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, version 2.
 */
#ifndef DIB3000MC_H
#define DIB3000MC_H

#include "dibx000_common.h"

struct dib3000mc_config {
	struct dibx000_agc_config *agc;

	u8 phase_noise_mode;
	u8 impulse_noise_mode;

	u8  pwm3_inversion;
	u8  use_pwm3;
	u16 pwm3_value;

	u16 max_time;
	u16 ln_adc_level;

	u8 mobile_mode;

	u8 output_mpeg2_in_188_bytes;
};

#define DEFAULT_DIB3000MC_I2C_ADDRESS 16
#define DEFAULT_DIB3000P_I2C_ADDRESS  24

#if defined(CONFIG_DVB_DIB3000MC) || defined(CONFIG_DVB_DIB3000MC_MODULE)
extern int dib3000mc_attach(struct i2c_adapter *i2c_adap, int no_of_demods, u8 default_addr,
    u8 do_i2c_enum, struct dib3000mc_config cfg[], struct dvb_frontend *demod[]);
#else
static inline struct dvb_frontend* dib3000mc_attach(const struct dib3000_config* config,
					     struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
	return NULL;
}
#endif // CONFIG_DVB_DIB3000MC

extern struct i2c_adapter * dib3000mc_get_tuner_i2c_master(struct dvb_frontend *demod, int gating);

extern int dib3000mc_pid_control(struct dvb_frontend *fe, int index, int pid,int onoff);
extern int dib3000mc_pid_parse(struct dvb_frontend *fe, int onoff);

extern void dib3000mc_set_config(struct dvb_frontend *, struct dib3000mc_config *);

#endif
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#include <linux/i2c.h>

#include "dibx000_common.h"

static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");

#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiBX000: "); printk(args); } } while (0)

static int dibx000_write_word(struct dibx000_i2c_master *mst, u16 reg, u16 val)
{
	u8 b[4] = {
		(reg >> 8) & 0xff, reg & 0xff,
		(val >> 8) & 0xff, val & 0xff,
	};
	struct i2c_msg msg = {
		.addr = mst->i2c_addr, .flags = 0, .buf = b, .len = 4
	};
	return i2c_transfer(mst->i2c_adap, &msg, 1) != 1 ? -EREMOTEIO : 0;
}


static int dibx000_i2c_select_interface(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf)
{
	if (mst->device_rev > DIB3000MC && mst->selected_interface != intf) {
		dprintk("selecting interface: %d\n",intf);
		mst->selected_interface = intf;
		return dibx000_write_word(mst, mst->base_reg + 4, intf);
	}
	return 0;
}

static int dibx000_i2c_gate_ctrl(struct dibx000_i2c_master *mst, u8 tx[4], u8 addr, int onoff)
{
	u16 val;


	if (onoff)
		val = addr << 8; // bit 7 = use master or not, if 0, the gate is open
	else
		val = 1 << 7;

	if (mst->device_rev > DIB7000)
		val <<= 1;

	tx[0] = (((mst->base_reg + 1) >> 8) & 0xff);
	tx[1] = ( (mst->base_reg + 1)       & 0xff);
	tx[2] = val >> 8;
	tx[3] = val & 0xff;

	return 0;
}

static u32 dibx000_i2c_func(struct i2c_adapter *adapter)
{
	return I2C_FUNC_I2C;
}

static int dibx000_i2c_gated_tuner_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num)
{
	struct dibx000_i2c_master *mst = i2c_get_adapdata(i2c_adap);
	struct i2c_msg m[2 + num];
	u8 tx_open[4], tx_close[4];

	memset(m,0, sizeof(struct i2c_msg) * (2 + num)),

	dibx000_i2c_select_interface(mst, DIBX000_I2C_INTERFACE_TUNER);

	dibx000_i2c_gate_ctrl(mst, tx_open,  msg[0].addr, 1);
	m[0].addr = mst->i2c_addr;
	m[0].buf  = tx_open;
	m[0].len  = 4;

	memcpy(&m[1], msg, sizeof(struct i2c_msg) * num);

	dibx000_i2c_gate_ctrl(mst, tx_close, 0, 0);
	m[num+1].addr = mst->i2c_addr;
	m[num+1].buf  = tx_close;
	m[num+1].len  = 4;

	return i2c_transfer(mst->i2c_adap, m, 2+num) == 2 + num ? num : -EIO;
}

static struct i2c_algorithm dibx000_i2c_gated_tuner_algo = {
	.master_xfer   = dibx000_i2c_gated_tuner_xfer,
	.functionality = dibx000_i2c_func,
};

struct i2c_adapter * dibx000_get_i2c_adapter(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf, int gating)
{
	struct i2c_adapter *i2c = NULL;

	switch (intf) {
		case DIBX000_I2C_INTERFACE_TUNER:
			if (gating)
				i2c = &mst->gated_tuner_i2c_adap;
			break;
		default:
			printk(KERN_ERR "DiBX000: incorrect I2C interface selected\n");
			break;
	}

	return i2c;
}
EXPORT_SYMBOL(dibx000_get_i2c_adapter);

static int i2c_adapter_init(struct i2c_adapter *i2c_adap, struct i2c_algorithm *algo, const char name[I2C_NAME_SIZE], struct dibx000_i2c_master *mst)
{
	strncpy(i2c_adap->name, name, I2C_NAME_SIZE);
	i2c_adap->class     = I2C_CLASS_TV_DIGITAL,
	i2c_adap->algo      = algo;
	i2c_adap->algo_data = NULL;
	i2c_set_adapdata(i2c_adap, mst);
	if (i2c_add_adapter(i2c_adap) < 0)
		return -ENODEV;
	return 0;
}

int dibx000_init_i2c_master(struct dibx000_i2c_master *mst, u16 device_rev, struct i2c_adapter *i2c_adap, u8 i2c_addr)
{
	u8 tx[4];
	struct i2c_msg m = { .addr = i2c_addr >> 1, .buf = tx, .len = 4 };

	mst->device_rev = device_rev;
	mst->i2c_adap   = i2c_adap;
	mst->i2c_addr   = i2c_addr >> 1;

	if (device_rev == DIB7000P)
		mst->base_reg = 1024;
	else
		mst->base_reg = 768;

    if (i2c_adapter_init(&mst->gated_tuner_i2c_adap, &dibx000_i2c_gated_tuner_algo, "DiBX000 tuner I2C bus", mst) != 0)
		printk(KERN_ERR "DiBX000: could not initialize the tuner i2c_adapter\n");

	/* initialize the i2c-master by closing the gate */
	dibx000_i2c_gate_ctrl(mst, tx, 0, 0);

	return i2c_transfer(i2c_adap, &m, 1) == 1;
}
EXPORT_SYMBOL(dibx000_init_i2c_master);

void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst)
{
	i2c_del_adapter(&mst->gated_tuner_i2c_adap);
}
EXPORT_SYMBOL(dibx000_exit_i2c_master);
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#ifndef DIBX000_COMMON_H
#define DIBX000_COMMON_H

enum dibx000_i2c_interface {
	DIBX000_I2C_INTERFACE_TUNER    = 0,
	DIBX000_I2C_INTERFACE_GPIO_1_2 = 1,
	DIBX000_I2C_INTERFACE_GPIO_3_4 = 2
};

struct dibx000_i2c_master {
#define DIB3000MC 1
#define DIB7000   2
#define DIB7000P  11
#define DIB7000MC 12
	u16 device_rev;

	enum dibx000_i2c_interface selected_interface;

//	struct i2c_adapter  tuner_i2c_adap;
	struct i2c_adapter  gated_tuner_i2c_adap;

	struct i2c_adapter *i2c_adap;
	u8                  i2c_addr;

	u16 base_reg;
};

extern int dibx000_init_i2c_master(struct dibx000_i2c_master *mst, u16 device_rev, struct i2c_adapter *i2c_adap, u8 i2c_addr);
extern struct i2c_adapter * dibx000_get_i2c_adapter(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf, int gating);
extern void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst);

#define BAND_LBAND 0x01
#define BAND_UHF   0x02
#define BAND_VHF   0x04

struct dibx000_agc_config {
	/* defines the capabilities of this AGC-setting - using the BAND_-defines*/
	u8  band_caps;

	u16 setup;

	u16 inv_gain;
	u16 time_stabiliz;

	u8  alpha_level;
	u16 thlock;

	u8  wbd_inv;
	u16 wbd_ref;
	u8 wbd_sel;
	u8 wbd_alpha;

	u16 agc1_max;
	u16 agc1_min;
	u16 agc2_max;
	u16 agc2_min;

	u8 agc1_pt1;
	u8 agc1_pt2;
	u8 agc1_pt3;

	u8 agc1_slope1;
	u8 agc1_slope2;

	u8 agc2_pt1;
	u8 agc2_pt2;

	u8 agc2_slope1;
	u8 agc2_slope2;

	u8 alpha_mant;
	u8 alpha_exp;

	u8 beta_mant;
	u8 beta_exp;

	u8 perform_agc_softsplit;

	struct {
		u16 min;
		u16 max;
		u16 min_thres;
		u16 max_thres;
	} split;
};

struct dibx000_bandwidth_config {
	u32   internal;
	u32   sampling;

	u8 pll_prediv;
	u8 pll_ratio;
	u8 pll_range;
	u8 pll_reset;
	u8 pll_bypass;

	u8 enable_refdiv;
	u8 bypclk_div;
	u8 IO_CLK_en_core;
	u8 ADClkSrc;
	u8 modulo;

	u16 sad_cfg;

	u32 ifreq;
	u32 timf;
};

enum dibx000_adc_states {
	DIBX000_SLOW_ADC_ON = 0,
	DIBX000_SLOW_ADC_OFF,
	DIBX000_ADC_ON,
	DIBX000_ADC_OFF,
	DIBX000_VBG_ENABLE,
	DIBX000_VBG_DISABLE,
};

#define BW_INDEX_TO_KHZ(v) ( (v) == BANDWIDTH_8_MHZ  ? 8000 : \
			     (v) == BANDWIDTH_7_MHZ  ? 7000 : \
			     (v) == BANDWIDTH_6_MHZ  ? 6000 : 8000 )

/* Chip output mode. */
#define OUTMODE_HIGH_Z                      0
#define OUTMODE_MPEG2_PAR_GATED_CLK         1
#define OUTMODE_MPEG2_PAR_CONT_CLK          2
#define OUTMODE_MPEG2_SERIAL                7
#define OUTMODE_DIVERSITY                   4
#define OUTMODE_MPEG2_FIFO                  5

/* I hope I can get rid of the following kludge in the near future */
struct dibx000_ofdm_channel {
	u8  Bw;
	s16 nfft;
	s16 guard;
	s16 nqam;
	s16 vit_hrch;
	s16 vit_select_hp;
	s16 vit_alpha;
	s16 vit_code_rate_hp;
	s16 vit_code_rate_lp;
};

#define FEP2DIB(fep,ch) \
	(ch)->Bw               = (fep)->u.ofdm.bandwidth; \
	(ch)->nfft             = (fep)->u.ofdm.transmission_mode == TRANSMISSION_MODE_AUTO ? -1 : (fep)->u.ofdm.transmission_mode; \
	(ch)->guard            = (fep)->u.ofdm.guard_interval == GUARD_INTERVAL_AUTO ? -1 : (fep)->u.ofdm.guard_interval; \
	(ch)->nqam             = (fep)->u.ofdm.constellation == QAM_AUTO ? -1 : (fep)->u.ofdm.constellation == QAM_64 ? 2 : (fep)->u.ofdm.constellation; \
	(ch)->vit_hrch         = 0; /* linux-dvb is not prepared for HIERARCHICAL TRANSMISSION */ \
	(ch)->vit_select_hp    = 1; \
	(ch)->vit_alpha        = 1; \
	(ch)->vit_code_rate_hp = (fep)->u.ofdm.code_rate_HP == FEC_AUTO ? -1 : (fep)->u.ofdm.code_rate_HP; \
	(ch)->vit_code_rate_lp = (fep)->u.ofdm.code_rate_LP == FEC_AUTO ? -1 : (fep)->u.ofdm.code_rate_LP;

#define INIT_OFDM_CHANNEL(ch) do {\
	(ch)->Bw               = 0;  \
	(ch)->nfft             = -1; \
	(ch)->guard            = -1; \
	(ch)->nqam             = -1; \
	(ch)->vit_hrch         = -1; \
	(ch)->vit_select_hp    = -1; \
	(ch)->vit_alpha        = -1; \
	(ch)->vit_code_rate_hp = -1; \
	(ch)->vit_code_rate_lp = -1; \
} while (0)

#endif