// SPDX-License-Identifier: GPL-2.0-or-later /* DVB compliant Linux driver for the DVB-S si2109/2110 demodulator * * Copyright (C) 2008 Igor M. Liplianin ([email protected]) */ #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/string.h> #include <linux/slab.h> #include <linux/jiffies.h> #include <asm/div64.h> #include <media/dvb_frontend.h> #include "si21xx.h" #define REVISION_REG … #define SYSTEM_MODE_REG … #define TS_CTRL_REG_1 … #define TS_CTRL_REG_2 … #define PIN_CTRL_REG_1 … #define PIN_CTRL_REG_2 … #define LOCK_STATUS_REG_1 … #define LOCK_STATUS_REG_2 … #define ACQ_STATUS_REG … #define ACQ_CTRL_REG_1 … #define ACQ_CTRL_REG_2 … #define PLL_DIVISOR_REG … #define COARSE_TUNE_REG … #define FINE_TUNE_REG_L … #define FINE_TUNE_REG_H … #define ANALOG_AGC_POWER_LEVEL_REG … #define CFO_ESTIMATOR_CTRL_REG_1 … #define CFO_ESTIMATOR_CTRL_REG_2 … #define CFO_ESTIMATOR_CTRL_REG_3 … #define SYM_RATE_ESTIMATE_REG_L … #define SYM_RATE_ESTIMATE_REG_M … #define SYM_RATE_ESTIMATE_REG_H … #define CFO_ESTIMATOR_OFFSET_REG_L … #define CFO_ESTIMATOR_OFFSET_REG_H … #define CFO_ERROR_REG_L … #define CFO_ERROR_REG_H … #define SYM_RATE_ESTIMATOR_CTRL_REG … #define SYM_RATE_REG_L … #define SYM_RATE_REG_M … #define SYM_RATE_REG_H … #define SYM_RATE_ESTIMATOR_MAXIMUM_REG … #define SYM_RATE_ESTIMATOR_MINIMUM_REG … #define C_N_ESTIMATOR_CTRL_REG … #define C_N_ESTIMATOR_THRSHLD_REG … #define C_N_ESTIMATOR_LEVEL_REG_L … #define C_N_ESTIMATOR_LEVEL_REG_H … #define BLIND_SCAN_CTRL_REG … #define LSA_CTRL_REG_1 … #define SPCTRM_TILT_CORR_THRSHLD_REG … #define ONE_DB_BNDWDTH_THRSHLD_REG … #define TWO_DB_BNDWDTH_THRSHLD_REG … #define THREE_DB_BNDWDTH_THRSHLD_REG … #define INBAND_POWER_THRSHLD_REG … #define REF_NOISE_LVL_MRGN_THRSHLD_REG … #define VIT_SRCH_CTRL_REG_1 … #define VIT_SRCH_CTRL_REG_2 … #define VIT_SRCH_CTRL_REG_3 … #define VIT_SRCH_STATUS_REG … #define VITERBI_BER_COUNT_REG_L … #define REED_SOLOMON_CTRL_REG … #define REED_SOLOMON_ERROR_COUNT_REG_L … #define PRBS_CTRL_REG … #define LNB_CTRL_REG_1 … #define LNB_CTRL_REG_2 … #define LNB_CTRL_REG_3 … #define LNB_CTRL_REG_4 … #define LNB_CTRL_STATUS_REG … #define LNB_FIFO_REGS_0 … #define LNB_FIFO_REGS_1 … #define LNB_FIFO_REGS_2 … #define LNB_FIFO_REGS_3 … #define LNB_FIFO_REGS_4 … #define LNB_FIFO_REGS_5 … #define LNB_SUPPLY_CTRL_REG_1 … #define LNB_SUPPLY_CTRL_REG_2 … #define LNB_SUPPLY_CTRL_REG_3 … #define LNB_SUPPLY_CTRL_REG_4 … #define LNB_SUPPLY_STATUS_REG … #define FAIL … #define PASS … #define ALLOWABLE_FS_COUNT … #define STATUS_BER … #define STATUS_UCBLOCKS … static int debug; #define dprintk(args...) … enum { … }; enum { … }; enum { … }; enum { … }; enum { … }; enum { … }; struct si21xx_state { … }; /* register default initialization */ static u8 serit_sp1511lhb_inittab[] = …; /* low level read/writes */ static int si21_writeregs(struct si21xx_state *state, u8 reg1, u8 *data, int len) { … } static int si21_writereg(struct si21xx_state *state, u8 reg, u8 data) { … } static int si21_write(struct dvb_frontend *fe, const u8 buf[], int len) { … } static u8 si21_readreg(struct si21xx_state *state, u8 reg) { … } static int si21_readregs(struct si21xx_state *state, u8 reg1, u8 *b, u8 len) { … } static int si21xx_wait_diseqc_idle(struct si21xx_state *state, int timeout) { … } static int si21xx_set_symbolrate(struct dvb_frontend *fe, u32 srate) { … } static int si21xx_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *m) { … } static int si21xx_send_diseqc_burst(struct dvb_frontend *fe, enum fe_sec_mini_cmd burst) { … } /* 30.06.2008 */ static int si21xx_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone) { … } static int si21xx_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage volt) { … } static int si21xx_init(struct dvb_frontend *fe) { … } static int si21_read_status(struct dvb_frontend *fe, enum fe_status *status) { … } static int si21_read_signal_strength(struct dvb_frontend *fe, u16 *strength) { … } static int si21_read_ber(struct dvb_frontend *fe, u32 *ber) { … } static int si21_read_snr(struct dvb_frontend *fe, u16 *snr) { … } static int si21_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) { … } /* initiates a channel acquisition sequence using the specified symbol rate and code rate */ static int si21xx_setacquire(struct dvb_frontend *fe, int symbrate, enum fe_code_rate crate) { … } static int si21xx_set_frontend(struct dvb_frontend *fe) { … } static int si21xx_sleep(struct dvb_frontend *fe) { … } static void si21xx_release(struct dvb_frontend *fe) { … } static const struct dvb_frontend_ops si21xx_ops = …; struct dvb_frontend *si21xx_attach(const struct si21xx_config *config, struct i2c_adapter *i2c) { … } EXPORT_SYMBOL_GPL(…); module_param(debug, int, 0644); MODULE_PARM_DESC(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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