// SPDX-License-Identifier: GPL-2.0-or-later /* * Support for LG Electronics LGDT3304 and LGDT3305 - VSB/QAM * * Copyright (C) 2008, 2009, 2010 Michael Krufky <[email protected]> * * LGDT3304 support by Jarod Wilson <[email protected]> */ #include <asm/div64.h> #include <linux/dvb/frontend.h> #include <linux/slab.h> #include <linux/int_log.h> #include "lgdt3305.h" static int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(…) …; #define DBG_INFO … #define DBG_REG … #define lg_printk(kern, fmt, arg...) … #define lg_info(fmt, arg...) … #define lg_warn(fmt, arg...) … #define lg_err(fmt, arg...) … #define lg_dbg(fmt, arg...) … #define lg_reg(fmt, arg...) … #define lg_fail(ret) … struct lgdt3305_state { … }; /* ------------------------------------------------------------------------ */ /* FIXME: verify & document the LGDT3304 registers */ #define LGDT3305_GEN_CTRL_1 … #define LGDT3305_GEN_CTRL_2 … #define LGDT3305_GEN_CTRL_3 … #define LGDT3305_GEN_STATUS … #define LGDT3305_GEN_CONTROL … #define LGDT3305_GEN_CTRL_4 … #define LGDT3305_DGTL_AGC_REF_1 … #define LGDT3305_DGTL_AGC_REF_2 … #define LGDT3305_CR_CTR_FREQ_1 … #define LGDT3305_CR_CTR_FREQ_2 … #define LGDT3305_CR_CTR_FREQ_3 … #define LGDT3305_CR_CTR_FREQ_4 … #define LGDT3305_CR_MSE_1 … #define LGDT3305_CR_MSE_2 … #define LGDT3305_CR_LOCK_STATUS … #define LGDT3305_CR_CTRL_7 … #define LGDT3305_AGC_POWER_REF_1 … #define LGDT3305_AGC_POWER_REF_2 … #define LGDT3305_AGC_DELAY_PT_1 … #define LGDT3305_AGC_DELAY_PT_2 … #define LGDT3305_RFAGC_LOOP_FLTR_BW_1 … #define LGDT3305_RFAGC_LOOP_FLTR_BW_2 … #define LGDT3305_IFBW_1 … #define LGDT3305_IFBW_2 … #define LGDT3305_AGC_CTRL_1 … #define LGDT3305_AGC_CTRL_4 … #define LGDT3305_EQ_MSE_1 … #define LGDT3305_EQ_MSE_2 … #define LGDT3305_EQ_MSE_3 … #define LGDT3305_PT_MSE_1 … #define LGDT3305_PT_MSE_2 … #define LGDT3305_PT_MSE_3 … #define LGDT3305_FEC_BLOCK_CTRL … #define LGDT3305_FEC_LOCK_STATUS … #define LGDT3305_FEC_PKT_ERR_1 … #define LGDT3305_FEC_PKT_ERR_2 … #define LGDT3305_TP_CTRL_1 … #define LGDT3305_BERT_PERIOD … #define LGDT3305_BERT_ERROR_COUNT_1 … #define LGDT3305_BERT_ERROR_COUNT_2 … #define LGDT3305_BERT_ERROR_COUNT_3 … #define LGDT3305_BERT_ERROR_COUNT_4 … static int lgdt3305_write_reg(struct lgdt3305_state *state, u16 reg, u8 val) { … } static int lgdt3305_read_reg(struct lgdt3305_state *state, u16 reg, u8 *val) { … } #define read_reg(state, reg) … static int lgdt3305_set_reg_bit(struct lgdt3305_state *state, u16 reg, int bit, int onoff) { … } struct lgdt3305_reg { … }; static int lgdt3305_write_regs(struct lgdt3305_state *state, struct lgdt3305_reg *regs, int len) { … } /* ------------------------------------------------------------------------ */ static int lgdt3305_soft_reset(struct lgdt3305_state *state) { … } static inline int lgdt3305_mpeg_mode(struct lgdt3305_state *state, enum lgdt3305_mpeg_mode mode) { … } static int lgdt3305_mpeg_mode_polarity(struct lgdt3305_state *state) { … } static int lgdt3305_set_modulation(struct lgdt3305_state *state, struct dtv_frontend_properties *p) { … } static int lgdt3305_set_filter_extension(struct lgdt3305_state *state, struct dtv_frontend_properties *p) { … } /* ------------------------------------------------------------------------ */ static int lgdt3305_passband_digital_agc(struct lgdt3305_state *state, struct dtv_frontend_properties *p) { … } static int lgdt3305_rfagc_loop(struct lgdt3305_state *state, struct dtv_frontend_properties *p) { … } static int lgdt3305_agc_setup(struct lgdt3305_state *state, struct dtv_frontend_properties *p) { … } static int lgdt3305_set_agc_power_ref(struct lgdt3305_state *state, struct dtv_frontend_properties *p) { … } /* ------------------------------------------------------------------------ */ static int lgdt3305_spectral_inversion(struct lgdt3305_state *state, struct dtv_frontend_properties *p, int inversion) { … } static int lgdt3305_set_if(struct lgdt3305_state *state, struct dtv_frontend_properties *p) { … } /* ------------------------------------------------------------------------ */ static int lgdt3305_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) { … } static int lgdt3305_sleep(struct dvb_frontend *fe) { … } static int lgdt3305_init(struct dvb_frontend *fe) { … } static int lgdt3304_set_parameters(struct dvb_frontend *fe) { … } static int lgdt3305_set_parameters(struct dvb_frontend *fe) { … } static int lgdt3305_get_frontend(struct dvb_frontend *fe, struct dtv_frontend_properties *p) { … } /* ------------------------------------------------------------------------ */ static int lgdt3305_read_cr_lock_status(struct lgdt3305_state *state, int *locked) { … } static int lgdt3305_read_fec_lock_status(struct lgdt3305_state *state, int *locked) { … } static int lgdt3305_read_status(struct dvb_frontend *fe, enum fe_status *status) { … } /* ------------------------------------------------------------------------ */ /* borrowed from lgdt330x.c */ static u32 calculate_snr(u32 mse, u32 c) { … } static int lgdt3305_read_snr(struct dvb_frontend *fe, u16 *snr) { … } static int lgdt3305_read_signal_strength(struct dvb_frontend *fe, u16 *strength) { … } /* ------------------------------------------------------------------------ */ static int lgdt3305_read_ber(struct dvb_frontend *fe, u32 *ber) { … } static int lgdt3305_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) { … } static int lgdt3305_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *fe_tune_settings) { … } static void lgdt3305_release(struct dvb_frontend *fe) { … } static const struct dvb_frontend_ops lgdt3304_ops; static const struct dvb_frontend_ops lgdt3305_ops; struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config, struct i2c_adapter *i2c_adap) { … } EXPORT_SYMBOL_GPL(…); static const struct dvb_frontend_ops lgdt3304_ops = …; static const struct dvb_frontend_ops lgdt3305_ops = …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_VERSION(…) …;
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