// SPDX-License-Identifier: GPL-2.0-or-later /* STB0899 Multistandard Frontend driver Copyright (C) Manu Abraham ([email protected]) Copyright (C) ST Microelectronics */ #include <linux/init.h> #include <linux/jiffies.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/dvb/frontend.h> #include <media/dvb_frontend.h> #include "stb0899_drv.h" #include "stb0899_priv.h" #include "stb0899_reg.h" /* Max transfer size done by I2C transfer functions */ #define MAX_XFER_SIZE … static unsigned int verbose = …;//1; module_param(verbose, int, 0644); /* C/N in dB/10, NIRM/NIRL */ static const struct stb0899_tab stb0899_cn_tab[] = …; /* DVB-S AGCIQ_VALUE vs. signal level in dBm/10. * As measured, connected to a modulator. * -8.0 to -50.0 dBm directly connected, * -52.0 to -74.8 with extra attenuation. * Cut-off to AGCIQ_VALUE = 0x80 below -74.8dBm. * Crude linear extrapolation below -84.8dBm and above -8.0dBm. */ static const struct stb0899_tab stb0899_dvbsrf_tab[] = …; /* DVB-S2 IF_AGC_GAIN vs. signal level in dBm/10. * As measured, connected to a modulator. * -8.0 to -50.1 dBm directly connected, * -53.0 to -76.6 with extra attenuation. * Cut-off to IF_AGC_GAIN = 0x3fff below -76.6dBm. * Crude linear extrapolation below -76.6dBm and above -8.0dBm. */ static const struct stb0899_tab stb0899_dvbs2rf_tab[] = …; /* DVB-S2 Es/N0 quant in dB/100 vs read value * 100*/ static struct stb0899_tab stb0899_quant_tab[] = …; /* DVB-S2 Es/N0 estimate in dB/100 vs read value */ static struct stb0899_tab stb0899_est_tab[] = …; static int _stb0899_read_reg(struct stb0899_state *state, unsigned int reg) { … } int stb0899_read_reg(struct stb0899_state *state, unsigned int reg) { … } u32 _stb0899_read_s2reg(struct stb0899_state *state, u32 stb0899_i2cdev, u32 stb0899_base_addr, u16 stb0899_reg_offset) { … } int stb0899_write_s2reg(struct stb0899_state *state, u32 stb0899_i2cdev, u32 stb0899_base_addr, u16 stb0899_reg_offset, u32 stb0899_data) { … } int stb0899_read_regs(struct stb0899_state *state, unsigned int reg, u8 *buf, u32 count) { … } int stb0899_write_regs(struct stb0899_state *state, unsigned int reg, u8 *data, u32 count) { … } int stb0899_write_reg(struct stb0899_state *state, unsigned int reg, u8 data) { … } /* * stb0899_get_mclk * Get STB0899 master clock frequency * ExtClk: external clock frequency (Hz) */ static u32 stb0899_get_mclk(struct stb0899_state *state) { … } /* * stb0899_set_mclk * Set STB0899 master Clock frequency * Mclk: demodulator master clock * ExtClk: external clock frequency (Hz) */ static void stb0899_set_mclk(struct stb0899_state *state, u32 Mclk) { … } static int stb0899_postproc(struct stb0899_state *state, u8 ctl, int enable) { … } static void stb0899_detach(struct dvb_frontend *fe) { … } static void stb0899_release(struct dvb_frontend *fe) { … } /* * stb0899_get_alpha * return: rolloff */ static int stb0899_get_alpha(struct stb0899_state *state) { … } /* * stb0899_init_calc */ static void stb0899_init_calc(struct stb0899_state *state) { … } static int stb0899_wait_diseqc_fifo_empty(struct stb0899_state *state, int timeout) { … } static int stb0899_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd) { … } static int stb0899_wait_diseqc_rxidle(struct stb0899_state *state, int timeout) { … } static int stb0899_recv_slave_reply(struct dvb_frontend *fe, struct dvb_diseqc_slave_reply *reply) { … } static int stb0899_wait_diseqc_txidle(struct stb0899_state *state, int timeout) { … } static int stb0899_send_diseqc_burst(struct dvb_frontend *fe, enum fe_sec_mini_cmd burst) { … } static int stb0899_diseqc_init(struct stb0899_state *state) { … } static int stb0899_sleep(struct dvb_frontend *fe) { … } static int stb0899_wakeup(struct dvb_frontend *fe) { … } static int stb0899_init(struct dvb_frontend *fe) { … } static int stb0899_table_lookup(const struct stb0899_tab *tab, int max, int val) { … } static int stb0899_read_signal_strength(struct dvb_frontend *fe, u16 *strength) { … } static int stb0899_read_snr(struct dvb_frontend *fe, u16 *snr) { … } static int stb0899_read_status(struct dvb_frontend *fe, enum fe_status *status) { … } /* * stb0899_get_error * viterbi error for DVB-S/DSS * packet error for DVB-S2 * Bit Error Rate or Packet Error Rate * 10 ^ 7 */ static int stb0899_read_ber(struct dvb_frontend *fe, u32 *ber) { … } static int stb0899_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage) { … } static int stb0899_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone) { … } int stb0899_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) { … } static inline void CONVERT32(u32 x, char *str) { … } static int stb0899_get_dev_id(struct stb0899_state *state) { … } static void stb0899_set_delivery(struct stb0899_state *state) { … } /* * stb0899_set_iterations * set the LDPC iteration scale function */ static void stb0899_set_iterations(struct stb0899_state *state) { … } static enum dvbfe_search stb0899_search(struct dvb_frontend *fe) { … } static int stb0899_get_frontend(struct dvb_frontend *fe, struct dtv_frontend_properties *p) { … } static enum dvbfe_algo stb0899_frontend_algo(struct dvb_frontend *fe) { … } static const struct dvb_frontend_ops stb0899_ops = …; struct dvb_frontend *stb0899_attach(struct stb0899_config *config, struct i2c_adapter *i2c) { … } EXPORT_SYMBOL_GPL(…); MODULE_PARM_DESC(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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