Commit 42afd061 authored by Patrick Boettcher's avatar Patrick Boettcher Committed by Mauro Carvalho Chehab

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
/*
* 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
#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);
#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
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