/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Driver for Philips tda1004xh OFDM Frontend (c) 2004 Andrew de Quincey */ #ifndef TDA1004X_H #define TDA1004X_H #include <linux/dvb/frontend.h> #include <linux/firmware.h> enum tda10046_xtal { TDA10046_XTAL_4M, TDA10046_XTAL_16M, }; enum tda10046_agc { TDA10046_AGC_DEFAULT, /* original configuration */ TDA10046_AGC_IFO_AUTO_NEG, /* IF AGC only, automatic, negative */ TDA10046_AGC_IFO_AUTO_POS, /* IF AGC only, automatic, positive */ TDA10046_AGC_TDA827X, /* IF AGC only, special setup for tda827x */ }; /* Many (hybrid) boards use GPIO 1 and 3 GPIO1 analog - dvb switch GPIO3 firmware eeprom address switch */ enum tda10046_gpio { TDA10046_GPTRI = 0x00, /* All GPIOs tristate */ TDA10046_GP00 = 0x40, /* GPIO3=0, GPIO1=0 */ TDA10046_GP01 = 0x42, /* GPIO3=0, GPIO1=1 */ TDA10046_GP10 = 0x48, /* GPIO3=1, GPIO1=0 */ TDA10046_GP11 = 0x4a, /* GPIO3=1, GPIO1=1 */ TDA10046_GP00_I = 0x80, /* GPIO3=0, GPIO1=0, invert in sleep mode*/ TDA10046_GP01_I = 0x82, /* GPIO3=0, GPIO1=1, invert in sleep mode */ TDA10046_GP10_I = 0x88, /* GPIO3=1, GPIO1=0, invert in sleep mode */ TDA10046_GP11_I = 0x8a, /* GPIO3=1, GPIO1=1, invert in sleep mode */ }; enum tda10046_if { TDA10046_FREQ_3617, /* original config, 36,166 MHZ */ TDA10046_FREQ_3613, /* 36,13 MHZ */ TDA10046_FREQ_045, /* low IF, 4.0, 4.5, or 5.0 MHZ */ TDA10046_FREQ_052, /* low IF, 5.1667 MHZ for tda9889 */ }; enum tda10046_tsout { TDA10046_TS_PARALLEL = 0x00, /* parallel transport stream, default */ TDA10046_TS_SERIAL = 0x01, /* serial transport stream */ }; struct tda1004x_config { /* the demodulator's i2c address */ u8 demod_address; /* does the "inversion" need inverted? */ u8 invert; /* Does the OCLK signal need inverted? */ u8 invert_oclk; /* parallel or serial transport stream */ enum tda10046_tsout ts_mode; /* Xtal frequency, 4 or 16MHz*/ enum tda10046_xtal xtal_freq; /* IF frequency */ enum tda10046_if if_freq; /* AGC configuration */ enum tda10046_agc agc_config; /* setting of GPIO1 and 3 */ enum tda10046_gpio gpio_config; /* slave address and configuration of the tuner */ u8 tuner_address; u8 antenna_switch; /* if the board uses another I2c Bridge (tda8290), its address */ u8 i2c_gate; /* request firmware for device */ int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name); }; enum tda1004x_demod { TDA1004X_DEMOD_TDA10045, TDA1004X_DEMOD_TDA10046, }; struct tda1004x_state { struct i2c_adapter* i2c; const struct tda1004x_config* config; struct dvb_frontend frontend; /* private demod data */ enum tda1004x_demod demod_type; }; #if IS_REACHABLE(CONFIG_DVB_TDA1004X) extern struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config, struct i2c_adapter* i2c); extern struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config, struct i2c_adapter* i2c); #else static inline struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config, struct i2c_adapter* i2c) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } static inline struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config, struct i2c_adapter* i2c) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } #endif // CONFIG_DVB_TDA1004X static inline int tda1004x_writereg(struct dvb_frontend *fe, u8 reg, u8 val) { int r = 0; u8 buf[] = {reg, val}; if (fe->ops.write) r = fe->ops.write(fe, buf, 2); return r; } #endif // TDA1004X_H