V4L/DVB (4461): Added missing dibx000-common code and headers
The first commit omitted the common-code and header-files. Signed-off-by: Patrick Boettcher <pb@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Patrick Boettcher
Mauro Carvalho Chehab
parent
b7571f8d7e
commit
42afd06170
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/*
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* Driver for DiBcom DiB3000MC/P-demodulator.
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*
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* Copyright (C) 2004-6 DiBcom (http://www.dibcom.fr/)
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* Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher\@desy.de)
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*
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* This code is partially based on the previous dib3000mc.c .
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*/
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#ifndef DIB3000MC_H
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#define DIB3000MC_H
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#include "dibx000_common.h"
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struct dib3000mc_config {
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struct dibx000_agc_config *agc;
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u8 phase_noise_mode;
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u8 impulse_noise_mode;
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u8 pwm3_inversion;
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u8 use_pwm3;
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u16 pwm3_value;
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u16 max_time;
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u16 ln_adc_level;
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u8 mobile_mode;
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u8 output_mpeg2_in_188_bytes;
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};
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#define DEFAULT_DIB3000MC_I2C_ADDRESS 16
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#define DEFAULT_DIB3000P_I2C_ADDRESS 24
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#if defined(CONFIG_DVB_DIB3000MC) || defined(CONFIG_DVB_DIB3000MC_MODULE)
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extern int dib3000mc_attach(struct i2c_adapter *i2c_adap, int no_of_demods, u8 default_addr,
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u8 do_i2c_enum, struct dib3000mc_config cfg[], struct dvb_frontend *demod[]);
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#else
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static inline struct dvb_frontend* dib3000mc_attach(const struct dib3000_config* config,
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struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
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return NULL;
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}
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#endif // CONFIG_DVB_DIB3000MC
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extern struct i2c_adapter * dib3000mc_get_tuner_i2c_master(struct dvb_frontend *demod, int gating);
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extern int dib3000mc_pid_control(struct dvb_frontend *fe, int index, int pid,int onoff);
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extern int dib3000mc_pid_parse(struct dvb_frontend *fe, int onoff);
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extern void dib3000mc_set_config(struct dvb_frontend *, struct dib3000mc_config *);
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#endif
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@ -0,0 +1,148 @@
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#include <linux/i2c.h>
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#include "dibx000_common.h"
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static int debug;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
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#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiBX000: "); printk(args); } } while (0)
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static int dibx000_write_word(struct dibx000_i2c_master *mst, u16 reg, u16 val)
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{
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u8 b[4] = {
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(reg >> 8) & 0xff, reg & 0xff,
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(val >> 8) & 0xff, val & 0xff,
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};
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struct i2c_msg msg = {
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.addr = mst->i2c_addr, .flags = 0, .buf = b, .len = 4
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};
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return i2c_transfer(mst->i2c_adap, &msg, 1) != 1 ? -EREMOTEIO : 0;
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}
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static int dibx000_i2c_select_interface(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf)
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{
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if (mst->device_rev > DIB3000MC && mst->selected_interface != intf) {
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dprintk("selecting interface: %d\n",intf);
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mst->selected_interface = intf;
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return dibx000_write_word(mst, mst->base_reg + 4, intf);
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}
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return 0;
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}
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static int dibx000_i2c_gate_ctrl(struct dibx000_i2c_master *mst, u8 tx[4], u8 addr, int onoff)
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{
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u16 val;
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if (onoff)
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val = addr << 8; // bit 7 = use master or not, if 0, the gate is open
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else
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val = 1 << 7;
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if (mst->device_rev > DIB7000)
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val <<= 1;
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tx[0] = (((mst->base_reg + 1) >> 8) & 0xff);
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tx[1] = ( (mst->base_reg + 1) & 0xff);
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tx[2] = val >> 8;
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tx[3] = val & 0xff;
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return 0;
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}
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static u32 dibx000_i2c_func(struct i2c_adapter *adapter)
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{
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return I2C_FUNC_I2C;
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}
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static int dibx000_i2c_gated_tuner_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num)
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{
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struct dibx000_i2c_master *mst = i2c_get_adapdata(i2c_adap);
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struct i2c_msg m[2 + num];
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u8 tx_open[4], tx_close[4];
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memset(m,0, sizeof(struct i2c_msg) * (2 + num)),
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dibx000_i2c_select_interface(mst, DIBX000_I2C_INTERFACE_TUNER);
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dibx000_i2c_gate_ctrl(mst, tx_open, msg[0].addr, 1);
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m[0].addr = mst->i2c_addr;
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m[0].buf = tx_open;
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m[0].len = 4;
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memcpy(&m[1], msg, sizeof(struct i2c_msg) * num);
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dibx000_i2c_gate_ctrl(mst, tx_close, 0, 0);
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m[num+1].addr = mst->i2c_addr;
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m[num+1].buf = tx_close;
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m[num+1].len = 4;
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return i2c_transfer(mst->i2c_adap, m, 2+num) == 2 + num ? num : -EIO;
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}
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static struct i2c_algorithm dibx000_i2c_gated_tuner_algo = {
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.master_xfer = dibx000_i2c_gated_tuner_xfer,
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.functionality = dibx000_i2c_func,
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};
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struct i2c_adapter * dibx000_get_i2c_adapter(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf, int gating)
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{
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struct i2c_adapter *i2c = NULL;
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switch (intf) {
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case DIBX000_I2C_INTERFACE_TUNER:
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if (gating)
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i2c = &mst->gated_tuner_i2c_adap;
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break;
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default:
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printk(KERN_ERR "DiBX000: incorrect I2C interface selected\n");
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break;
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}
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return i2c;
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}
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EXPORT_SYMBOL(dibx000_get_i2c_adapter);
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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)
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{
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strncpy(i2c_adap->name, name, I2C_NAME_SIZE);
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i2c_adap->class = I2C_CLASS_TV_DIGITAL,
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i2c_adap->algo = algo;
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i2c_adap->algo_data = NULL;
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i2c_set_adapdata(i2c_adap, mst);
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if (i2c_add_adapter(i2c_adap) < 0)
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return -ENODEV;
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return 0;
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}
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int dibx000_init_i2c_master(struct dibx000_i2c_master *mst, u16 device_rev, struct i2c_adapter *i2c_adap, u8 i2c_addr)
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{
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u8 tx[4];
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struct i2c_msg m = { .addr = i2c_addr >> 1, .buf = tx, .len = 4 };
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mst->device_rev = device_rev;
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mst->i2c_adap = i2c_adap;
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mst->i2c_addr = i2c_addr >> 1;
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if (device_rev == DIB7000P)
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mst->base_reg = 1024;
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else
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mst->base_reg = 768;
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if (i2c_adapter_init(&mst->gated_tuner_i2c_adap, &dibx000_i2c_gated_tuner_algo, "DiBX000 tuner I2C bus", mst) != 0)
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printk(KERN_ERR "DiBX000: could not initialize the tuner i2c_adapter\n");
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/* initialize the i2c-master by closing the gate */
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dibx000_i2c_gate_ctrl(mst, tx, 0, 0);
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return i2c_transfer(i2c_adap, &m, 1) == 1;
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}
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EXPORT_SYMBOL(dibx000_init_i2c_master);
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void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst)
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{
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i2c_del_adapter(&mst->gated_tuner_i2c_adap);
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}
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EXPORT_SYMBOL(dibx000_exit_i2c_master);
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@ -0,0 +1,166 @@
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#ifndef DIBX000_COMMON_H
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#define DIBX000_COMMON_H
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enum dibx000_i2c_interface {
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DIBX000_I2C_INTERFACE_TUNER = 0,
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DIBX000_I2C_INTERFACE_GPIO_1_2 = 1,
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DIBX000_I2C_INTERFACE_GPIO_3_4 = 2
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};
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struct dibx000_i2c_master {
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#define DIB3000MC 1
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#define DIB7000 2
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#define DIB7000P 11
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#define DIB7000MC 12
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u16 device_rev;
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enum dibx000_i2c_interface selected_interface;
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// struct i2c_adapter tuner_i2c_adap;
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struct i2c_adapter gated_tuner_i2c_adap;
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struct i2c_adapter *i2c_adap;
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u8 i2c_addr;
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u16 base_reg;
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};
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extern int dibx000_init_i2c_master(struct dibx000_i2c_master *mst, u16 device_rev, struct i2c_adapter *i2c_adap, u8 i2c_addr);
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extern struct i2c_adapter * dibx000_get_i2c_adapter(struct dibx000_i2c_master *mst, enum dibx000_i2c_interface intf, int gating);
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extern void dibx000_exit_i2c_master(struct dibx000_i2c_master *mst);
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#define BAND_LBAND 0x01
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#define BAND_UHF 0x02
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#define BAND_VHF 0x04
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struct dibx000_agc_config {
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/* defines the capabilities of this AGC-setting - using the BAND_-defines*/
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u8 band_caps;
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u16 setup;
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u16 inv_gain;
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u16 time_stabiliz;
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u8 alpha_level;
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u16 thlock;
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u8 wbd_inv;
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u16 wbd_ref;
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u8 wbd_sel;
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u8 wbd_alpha;
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u16 agc1_max;
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u16 agc1_min;
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u16 agc2_max;
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u16 agc2_min;
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u8 agc1_pt1;
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u8 agc1_pt2;
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u8 agc1_pt3;
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u8 agc1_slope1;
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u8 agc1_slope2;
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u8 agc2_pt1;
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u8 agc2_pt2;
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u8 agc2_slope1;
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u8 agc2_slope2;
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u8 alpha_mant;
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u8 alpha_exp;
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u8 beta_mant;
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u8 beta_exp;
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u8 perform_agc_softsplit;
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struct {
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u16 min;
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u16 max;
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u16 min_thres;
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u16 max_thres;
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} split;
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};
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struct dibx000_bandwidth_config {
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u32 internal;
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u32 sampling;
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u8 pll_prediv;
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u8 pll_ratio;
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u8 pll_range;
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u8 pll_reset;
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u8 pll_bypass;
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u8 enable_refdiv;
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u8 bypclk_div;
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u8 IO_CLK_en_core;
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u8 ADClkSrc;
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u8 modulo;
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u16 sad_cfg;
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u32 ifreq;
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u32 timf;
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};
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enum dibx000_adc_states {
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DIBX000_SLOW_ADC_ON = 0,
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DIBX000_SLOW_ADC_OFF,
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DIBX000_ADC_ON,
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DIBX000_ADC_OFF,
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DIBX000_VBG_ENABLE,
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DIBX000_VBG_DISABLE,
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};
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#define BW_INDEX_TO_KHZ(v) ( (v) == BANDWIDTH_8_MHZ ? 8000 : \
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(v) == BANDWIDTH_7_MHZ ? 7000 : \
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(v) == BANDWIDTH_6_MHZ ? 6000 : 8000 )
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/* Chip output mode. */
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#define OUTMODE_HIGH_Z 0
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#define OUTMODE_MPEG2_PAR_GATED_CLK 1
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#define OUTMODE_MPEG2_PAR_CONT_CLK 2
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#define OUTMODE_MPEG2_SERIAL 7
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#define OUTMODE_DIVERSITY 4
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#define OUTMODE_MPEG2_FIFO 5
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/* I hope I can get rid of the following kludge in the near future */
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struct dibx000_ofdm_channel {
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u8 Bw;
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s16 nfft;
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s16 guard;
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s16 nqam;
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s16 vit_hrch;
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s16 vit_select_hp;
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s16 vit_alpha;
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s16 vit_code_rate_hp;
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s16 vit_code_rate_lp;
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};
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#define FEP2DIB(fep,ch) \
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(ch)->Bw = (fep)->u.ofdm.bandwidth; \
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(ch)->nfft = (fep)->u.ofdm.transmission_mode == TRANSMISSION_MODE_AUTO ? -1 : (fep)->u.ofdm.transmission_mode; \
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(ch)->guard = (fep)->u.ofdm.guard_interval == GUARD_INTERVAL_AUTO ? -1 : (fep)->u.ofdm.guard_interval; \
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(ch)->nqam = (fep)->u.ofdm.constellation == QAM_AUTO ? -1 : (fep)->u.ofdm.constellation == QAM_64 ? 2 : (fep)->u.ofdm.constellation; \
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(ch)->vit_hrch = 0; /* linux-dvb is not prepared for HIERARCHICAL TRANSMISSION */ \
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(ch)->vit_select_hp = 1; \
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(ch)->vit_alpha = 1; \
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(ch)->vit_code_rate_hp = (fep)->u.ofdm.code_rate_HP == FEC_AUTO ? -1 : (fep)->u.ofdm.code_rate_HP; \
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(ch)->vit_code_rate_lp = (fep)->u.ofdm.code_rate_LP == FEC_AUTO ? -1 : (fep)->u.ofdm.code_rate_LP;
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#define INIT_OFDM_CHANNEL(ch) do {\
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(ch)->Bw = 0; \
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(ch)->nfft = -1; \
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(ch)->guard = -1; \
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(ch)->nqam = -1; \
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(ch)->vit_hrch = -1; \
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(ch)->vit_select_hp = -1; \
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(ch)->vit_alpha = -1; \
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(ch)->vit_code_rate_hp = -1; \
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(ch)->vit_code_rate_lp = -1; \
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} while (0)
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#endif
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