// SPDX-License-Identifier: GPL-2.0-or-later /* Conexant cx24117/cx24132 - Dual DVBS/S2 Satellite demod/tuner driver Copyright (C) 2013 Luis Alves <[email protected]> July, 6th 2013 First release based on cx24116 driver by: Steven Toth and Georg Acher, Darron Broad, Igor Liplianin Cards currently supported: TBS6980 - Dual DVBS/S2 PCIe card TBS6981 - Dual DVBS/S2 PCIe card */ #include <linux/slab.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/firmware.h> #include "tuner-i2c.h" #include <media/dvb_frontend.h> #include "cx24117.h" #define CX24117_DEFAULT_FIRMWARE … #define CX24117_SEARCH_RANGE_KHZ … /* known registers */ #define CX24117_REG_COMMAND … #define CX24117_REG_EXECUTE … #define CX24117_REG_FREQ3_0 … #define CX24117_REG_FREQ2_0 … #define CX24117_REG_FREQ1_0 … #define CX24117_REG_STATE0 … #define CX24117_REG_SSTATUS0 … #define CX24117_REG_SIGNAL0 … #define CX24117_REG_FREQ5_0 … #define CX24117_REG_FREQ6_0 … #define CX24117_REG_SRATE2_0 … #define CX24117_REG_SRATE1_0 … #define CX24117_REG_QUALITY2_0 … #define CX24117_REG_QUALITY1_0 … #define CX24117_REG_BER4_0 … #define CX24117_REG_BER3_0 … #define CX24117_REG_BER2_0 … #define CX24117_REG_BER1_0 … #define CX24117_REG_DVBS_UCB2_0 … #define CX24117_REG_DVBS_UCB1_0 … #define CX24117_REG_DVBS2_UCB2_0 … #define CX24117_REG_DVBS2_UCB1_0 … #define CX24117_REG_QSTATUS0 … #define CX24117_REG_CLKDIV0 … #define CX24117_REG_RATEDIV0 … #define CX24117_REG_FREQ3_1 … #define CX24117_REG_FREQ2_1 … #define CX24117_REG_FREQ1_1 … #define CX24117_REG_STATE1 … #define CX24117_REG_SSTATUS1 … #define CX24117_REG_SIGNAL1 … #define CX24117_REG_FREQ5_1 … #define CX24117_REG_FREQ4_1 … #define CX24117_REG_SRATE2_1 … #define CX24117_REG_SRATE1_1 … #define CX24117_REG_QUALITY2_1 … #define CX24117_REG_QUALITY1_1 … #define CX24117_REG_BER4_1 … #define CX24117_REG_BER3_1 … #define CX24117_REG_BER2_1 … #define CX24117_REG_BER1_1 … #define CX24117_REG_DVBS_UCB2_1 … #define CX24117_REG_DVBS_UCB1_1 … #define CX24117_REG_DVBS2_UCB2_1 … #define CX24117_REG_DVBS2_UCB1_1 … #define CX24117_REG_QSTATUS1 … #define CX24117_REG_CLKDIV1 … #define CX24117_REG_RATEDIV1 … /* arg buffer size */ #define CX24117_ARGLEN … /* rolloff */ #define CX24117_ROLLOFF_020 … #define CX24117_ROLLOFF_025 … #define CX24117_ROLLOFF_035 … /* pilot bit */ #define CX24117_PILOT_OFF … #define CX24117_PILOT_ON … #define CX24117_PILOT_AUTO … /* signal status */ #define CX24117_HAS_SIGNAL … #define CX24117_HAS_CARRIER … #define CX24117_HAS_VITERBI … #define CX24117_HAS_SYNCLOCK … #define CX24117_STATUS_MASK … #define CX24117_SIGNAL_MASK … /* arg offset for DiSEqC */ #define CX24117_DISEQC_DEMOD … #define CX24117_DISEQC_BURST … #define CX24117_DISEQC_ARG3_2 … #define CX24117_DISEQC_ARG4_0 … #define CX24117_DISEQC_ARG5_0 … #define CX24117_DISEQC_MSGLEN … #define CX24117_DISEQC_MSGOFS … /* DiSEqC burst */ #define CX24117_DISEQC_MINI_A … #define CX24117_DISEQC_MINI_B … #define CX24117_PNE … #define CX24117_OCC … enum cmds { … }; static LIST_HEAD(hybrid_tuner_instance_list); static DEFINE_MUTEX(cx24117_list_mutex); /* The Demod/Tuner can't easily provide these, we cache them */ struct cx24117_tuning { … }; /* Basic commands that are sent to the firmware */ struct cx24117_cmd { … }; /* common to both fe's */ struct cx24117_priv { … }; /* one per each fe */ struct cx24117_state { … }; /* modfec (modulation and FEC) lookup table */ /* Check cx24116.c for a detailed description of each field */ static struct cx24117_modfec { … } cx24117_modfec_modes[] = …; static int cx24117_writereg(struct cx24117_state *state, u8 reg, u8 data) { … } static int cx24117_writecmd(struct cx24117_state *state, struct cx24117_cmd *cmd) { … } static int cx24117_readreg(struct cx24117_state *state, u8 reg) { … } static int cx24117_readregN(struct cx24117_state *state, u8 reg, u8 *buf, int len) { … } static int cx24117_set_inversion(struct cx24117_state *state, enum fe_spectral_inversion inversion) { … } static int cx24117_lookup_fecmod(struct cx24117_state *state, enum fe_delivery_system d, enum fe_modulation m, enum fe_code_rate f) { … } static int cx24117_set_fec(struct cx24117_state *state, enum fe_delivery_system delsys, enum fe_modulation mod, enum fe_code_rate fec) { … } static int cx24117_set_symbolrate(struct cx24117_state *state, u32 rate) { … } static int cx24117_load_firmware(struct dvb_frontend *fe, const struct firmware *fw); static int cx24117_firmware_ondemand(struct dvb_frontend *fe) { … } /* Take a basic firmware command structure, format it * and forward it for processing */ static int cx24117_cmd_execute_nolock(struct dvb_frontend *fe, struct cx24117_cmd *cmd) { … } static int cx24117_cmd_execute(struct dvb_frontend *fe, struct cx24117_cmd *cmd) { … } static int cx24117_load_firmware(struct dvb_frontend *fe, const struct firmware *fw) { … } static int cx24117_read_status(struct dvb_frontend *fe, enum fe_status *status) { … } static int cx24117_read_ber(struct dvb_frontend *fe, u32 *ber) { … } static int cx24117_read_signal_strength(struct dvb_frontend *fe, u16 *signal_strength) { … } static int cx24117_read_snr(struct dvb_frontend *fe, u16 *snr) { … } static int cx24117_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) { … } /* Overwrite the current tuning params, we are about to tune */ static void cx24117_clone_params(struct dvb_frontend *fe) { … } /* Wait for LNB */ static int cx24117_wait_for_lnb(struct dvb_frontend *fe) { … } static int cx24117_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage) { … } static int cx24117_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone) { … } /* Initialise DiSEqC */ static int cx24117_diseqc_init(struct dvb_frontend *fe) { … } /* Send DiSEqC message */ static int cx24117_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *d) { … } /* Send DiSEqC burst */ static int cx24117_diseqc_send_burst(struct dvb_frontend *fe, enum fe_sec_mini_cmd burst) { … } static int cx24117_get_priv(struct cx24117_priv **priv, struct i2c_adapter *i2c, u8 client_address) { … } static void cx24117_release_priv(struct cx24117_priv *priv) { … } static void cx24117_release(struct dvb_frontend *fe) { … } static const struct dvb_frontend_ops cx24117_ops; struct dvb_frontend *cx24117_attach(const struct cx24117_config *config, struct i2c_adapter *i2c) { … } EXPORT_SYMBOL_GPL(…); /* * Initialise or wake up device * * Power config will reset and load initial firmware if required */ static int cx24117_initfe(struct dvb_frontend *fe) { … } /* * Put device to sleep */ static int cx24117_sleep(struct dvb_frontend *fe) { … } /* dvb-core told us to tune, the tv property cache will be complete, * it's safe for is to pull values and use them for tuning purposes. */ static int cx24117_set_frontend(struct dvb_frontend *fe) { … } static int cx24117_tune(struct dvb_frontend *fe, bool re_tune, unsigned int mode_flags, unsigned int *delay, enum fe_status *status) { … } static enum dvbfe_algo cx24117_get_algo(struct dvb_frontend *fe) { … } static int cx24117_get_frontend(struct dvb_frontend *fe, struct dtv_frontend_properties *c) { … } static const struct dvb_frontend_ops cx24117_ops = …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_VERSION(…) …; MODULE_FIRMWARE(…);
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