// SPDX-License-Identifier: GPL-2.0-only /* * Linux-DVB Driver for DiBcom's second generation DiB7000P (PC). * * Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/) */ #define pr_fmt(fmt) … #include <linux/kernel.h> #include <linux/slab.h> #include <linux/i2c.h> #include <linux/mutex.h> #include <asm/div64.h> #include <linux/int_log.h> #include <media/dvb_frontend.h> #include "dib7000p.h" static int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(…) …; static int buggy_sfn_workaround; module_param(buggy_sfn_workaround, int, 0644); MODULE_PARM_DESC(…) …; #define dprintk(fmt, arg...) … struct dib7000p_state { … }; enum dib7000p_power_mode { … }; /* dib7090 specific functions */ static int dib7090_set_output_mode(struct dvb_frontend *fe, int mode); static int dib7090_set_diversity_in(struct dvb_frontend *fe, int onoff); static void dib7090_setDibTxMux(struct dib7000p_state *state, int mode); static void dib7090_setHostBusMux(struct dib7000p_state *state, int mode); static u16 dib7000p_read_word(struct dib7000p_state *state, u16 reg) { … } static int dib7000p_write_word(struct dib7000p_state *state, u16 reg, u16 val) { … } static void dib7000p_write_tab(struct dib7000p_state *state, u16 * buf) { … } static int dib7000p_set_output_mode(struct dib7000p_state *state, int mode) { … } static int dib7000p_set_diversity_in(struct dvb_frontend *demod, int onoff) { … } static int dib7000p_set_power_mode(struct dib7000p_state *state, enum dib7000p_power_mode mode) { … } static void dib7000p_set_adc_state(struct dib7000p_state *state, enum dibx000_adc_states no) { … } static int dib7000p_set_bandwidth(struct dib7000p_state *state, u32 bw) { … } static int dib7000p_sad_calib(struct dib7000p_state *state) { … } static int dib7000p_set_wbd_ref(struct dvb_frontend *demod, u16 value) { … } static int dib7000p_get_agc_values(struct dvb_frontend *fe, u16 *agc_global, u16 *agc1, u16 *agc2, u16 *wbd) { … } static int dib7000p_set_agc1_min(struct dvb_frontend *fe, u16 v) { … } static void dib7000p_reset_pll(struct dib7000p_state *state) { … } static u32 dib7000p_get_internal_freq(struct dib7000p_state *state) { … } static int dib7000p_update_pll(struct dvb_frontend *fe, struct dibx000_bandwidth_config *bw) { … } static int dib7000p_reset_gpio(struct dib7000p_state *st) { … } static int dib7000p_cfg_gpio(struct dib7000p_state *st, u8 num, u8 dir, u8 val) { … } static int dib7000p_set_gpio(struct dvb_frontend *demod, u8 num, u8 dir, u8 val) { … } static u16 dib7000p_defaults[] = …; static void dib7000p_reset_stats(struct dvb_frontend *fe); static int dib7000p_demod_reset(struct dib7000p_state *state) { … } static void dib7000p_pll_clk_cfg(struct dib7000p_state *state) { … } static void dib7000p_restart_agc(struct dib7000p_state *state) { … } static int dib7000p_update_lna(struct dib7000p_state *state) { … } static int dib7000p_set_agc_config(struct dib7000p_state *state, u8 band) { … } static int dib7000p_set_dds(struct dib7000p_state *state, s32 offset_khz) { … } static int dib7000p_agc_startup(struct dvb_frontend *demod) { … } static void dib7000p_update_timf(struct dib7000p_state *state) { … } static u32 dib7000p_ctrl_timf(struct dvb_frontend *fe, u8 op, u32 timf) { … } static void dib7000p_set_channel(struct dib7000p_state *state, struct dtv_frontend_properties *ch, u8 seq) { … } static int dib7000p_autosearch_start(struct dvb_frontend *demod) { … } static int dib7000p_autosearch_is_irq(struct dvb_frontend *demod) { … } static void dib7000p_spur_protect(struct dib7000p_state *state, u32 rf_khz, u32 bw) { … } static int dib7000p_tune(struct dvb_frontend *demod) { … } static int dib7000p_wakeup(struct dvb_frontend *demod) { … } static int dib7000p_sleep(struct dvb_frontend *demod) { … } static int dib7000p_identify(struct dib7000p_state *st) { … } static int dib7000p_get_frontend(struct dvb_frontend *fe, struct dtv_frontend_properties *fep) { … } static int dib7000p_set_frontend(struct dvb_frontend *fe) { … } static int dib7000p_get_stats(struct dvb_frontend *fe, enum fe_status stat); static int dib7000p_read_status(struct dvb_frontend *fe, enum fe_status *stat) { … } static int dib7000p_read_ber(struct dvb_frontend *fe, u32 * ber) { … } static int dib7000p_read_unc_blocks(struct dvb_frontend *fe, u32 * unc) { … } static int dib7000p_read_signal_strength(struct dvb_frontend *fe, u16 * strength) { … } static u32 dib7000p_get_snr(struct dvb_frontend *fe) { … } static int dib7000p_read_snr(struct dvb_frontend *fe, u16 *snr) { … } static void dib7000p_reset_stats(struct dvb_frontend *demod) { … } struct linear_segments { … }; /* * Table to estimate signal strength in dBm. * This table should be empirically determinated by measuring the signal * strength generated by a RF generator directly connected into * a device. * This table was determinated by measuring the signal strength generated * by a DTA-2111 RF generator directly connected into a dib7000p device * (a Hauppauge Nova-TD stick), using a good quality 3 meters length * RC6 cable and good RC6 connectors, connected directly to antenna 1. * As the minimum output power of DTA-2111 is -31dBm, a 16 dBm attenuator * were used, for the lower power values. * The real value can actually be on other devices, or even at the * second antena input, depending on several factors, like if LNA * is enabled or not, if diversity is enabled, type of connectors, etc. * Yet, it is better to use this measure in dB than a random non-linear * percentage value, especially for antenna adjustments. * On my tests, the precision of the measure using this table is about * 0.5 dB, with sounds reasonable enough to adjust antennas. */ #define DB_OFFSET … static struct linear_segments strength_to_db_table[] = …; static u32 interpolate_value(u32 value, struct linear_segments *segments, unsigned len) { … } /* FIXME: may require changes - this one was borrowed from dib8000 */ static u32 dib7000p_get_time_us(struct dvb_frontend *demod) { … } static int dib7000p_get_stats(struct dvb_frontend *demod, enum fe_status stat) { … } static int dib7000p_fe_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *tune) { … } static void dib7000p_release(struct dvb_frontend *demod) { … } static int dib7000pc_detection(struct i2c_adapter *i2c_adap) { … } static struct i2c_adapter *dib7000p_get_i2c_master(struct dvb_frontend *demod, enum dibx000_i2c_interface intf, int gating) { … } static int dib7000p_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff) { … } static int dib7000p_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff) { … } static int dib7000p_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib7000p_config cfg[]) { … } static const s32 lut_1000ln_mant[] = …; static s32 dib7000p_get_adc_power(struct dvb_frontend *fe) { … } static int map_addr_to_serpar_number(struct i2c_msg *msg) { … } static int w7090p_tuner_write_serpar(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num) { … } static int w7090p_tuner_read_serpar(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num) { … } static int w7090p_tuner_rw_serpar(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num) { … } static int dib7090p_rw_on_apb(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num, u16 apb_address) { … } static int dib7090_tuner_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num) { … } static u32 dib7000p_i2c_func(struct i2c_adapter *adapter) { … } static const struct i2c_algorithm dib7090_tuner_xfer_algo = …; static struct i2c_adapter *dib7090_get_i2c_tuner(struct dvb_frontend *fe) { … } static int dib7090_host_bus_drive(struct dib7000p_state *state, u8 drive) { … } static u32 dib7090_calcSyncFreq(u32 P_Kin, u32 P_Kout, u32 insertExtSynchro, u32 syncSize) { … } static int dib7090_cfg_DibTx(struct dib7000p_state *state, u32 P_Kin, u32 P_Kout, u32 insertExtSynchro, u32 synchroMode, u32 syncWord, u32 syncSize) { … } static int dib7090_cfg_DibRx(struct dib7000p_state *state, u32 P_Kin, u32 P_Kout, u32 synchroMode, u32 insertExtSynchro, u32 syncWord, u32 syncSize, u32 dataOutRate) { … } static void dib7090_enMpegMux(struct dib7000p_state *state, int onoff) { … } static void dib7090_configMpegMux(struct dib7000p_state *state, u16 pulseWidth, u16 enSerialMode, u16 enSerialClkDiv2) { … } static void dib7090_setDibTxMux(struct dib7000p_state *state, int mode) { … } static void dib7090_setHostBusMux(struct dib7000p_state *state, int mode) { … } static int dib7090_set_diversity_in(struct dvb_frontend *fe, int onoff) { … } static int dib7090_set_output_mode(struct dvb_frontend *fe, int mode) { … } static int dib7090_tuner_sleep(struct dvb_frontend *fe, int onoff) { … } static int dib7090_get_adc_power(struct dvb_frontend *fe) { … } static int dib7090_slave_reset(struct dvb_frontend *fe) { … } static const struct dvb_frontend_ops dib7000p_ops; static struct dvb_frontend *dib7000p_init(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg) { … } void *dib7000p_attach(struct dib7000p_ops *ops) { … } EXPORT_SYMBOL_GPL(…); static const struct dvb_frontend_ops dib7000p_ops = …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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