// SPDX-License-Identifier: GPL-2.0-or-later /* Legend Silicon LGS-8GL5 DMB-TH OFDM demodulator driver Copyright (C) 2008 Sirius International (Hong Kong) Limited Timothy Lee <[email protected]> */ #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> #include <linux/string.h> #include <linux/slab.h> #include <media/dvb_frontend.h> #include "lgs8gl5.h" #define REG_RESET … #define REG_RESET_OFF … #define REG_03 … #define REG_04 … #define REG_07 … #define REG_09 … #define REG_0A … #define REG_0B … #define REG_0C … #define REG_37 … #define REG_STRENGTH … #define REG_STRENGTH_MASK … #define REG_STRENGTH_CARRIER … #define REG_INVERSION … #define REG_INVERSION_ON … #define REG_7D … #define REG_7E … #define REG_A2 … #define REG_STATUS … #define REG_STATUS_SYNC … #define REG_STATUS_LOCK … struct lgs8gl5_state { … }; static int debug; #define dprintk(args...) … /* Writes into demod's register */ static int lgs8gl5_write_reg(struct lgs8gl5_state *state, u8 reg, u8 data) { … } /* Reads from demod's register */ static int lgs8gl5_read_reg(struct lgs8gl5_state *state, u8 reg) { … } static int lgs8gl5_update_reg(struct lgs8gl5_state *state, u8 reg, u8 data) { … } /* Writes into alternate device's register */ /* TODO: Find out what that device is for! */ static int lgs8gl5_update_alt_reg(struct lgs8gl5_state *state, u8 reg, u8 data) { … } static void lgs8gl5_soft_reset(struct lgs8gl5_state *state) { … } /* Starts demodulation */ static void lgs8gl5_start_demod(struct lgs8gl5_state *state) { … } static int lgs8gl5_init(struct dvb_frontend *fe) { … } static int lgs8gl5_read_status(struct dvb_frontend *fe, enum fe_status *status) { … } static int lgs8gl5_read_ber(struct dvb_frontend *fe, u32 *ber) { … } static int lgs8gl5_read_signal_strength(struct dvb_frontend *fe, u16 *signal_strength) { … } static int lgs8gl5_read_snr(struct dvb_frontend *fe, u16 *snr) { … } static int lgs8gl5_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) { … } static int lgs8gl5_set_frontend(struct dvb_frontend *fe) { … } static int lgs8gl5_get_frontend(struct dvb_frontend *fe, struct dtv_frontend_properties *p) { … } static int lgs8gl5_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *fesettings) { … } static void lgs8gl5_release(struct dvb_frontend *fe) { … } static const struct dvb_frontend_ops lgs8gl5_ops; struct dvb_frontend* lgs8gl5_attach(const struct lgs8gl5_config *config, struct i2c_adapter *i2c) { … } EXPORT_SYMBOL(…); static const struct dvb_frontend_ops lgs8gl5_ops = …; module_param(debug, int, 0644); MODULE_PARM_DESC(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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