1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 Driver for Philips tda1004xh OFDM Frontend 4 5 (c) 2004 Andrew de Quincey 6 7 8 */ 9 10 #ifndef TDA1004X_H 11 #define TDA1004X_H 12 13 #include <linux/dvb/frontend.h> 14 #include <linux/firmware.h> 15 16 enum tda10046_xtal { 17 TDA10046_XTAL_4M, 18 TDA10046_XTAL_16M, 19 }; 20 21 enum tda10046_agc { 22 TDA10046_AGC_DEFAULT, /* original configuration */ 23 TDA10046_AGC_IFO_AUTO_NEG, /* IF AGC only, automatic, negative */ 24 TDA10046_AGC_IFO_AUTO_POS, /* IF AGC only, automatic, positive */ 25 TDA10046_AGC_TDA827X, /* IF AGC only, special setup for tda827x */ 26 }; 27 28 /* Many (hybrid) boards use GPIO 1 and 3 29 GPIO1 analog - dvb switch 30 GPIO3 firmware eeprom address switch 31 */ 32 enum tda10046_gpio { 33 TDA10046_GPTRI = 0x00, /* All GPIOs tristate */ 34 TDA10046_GP00 = 0x40, /* GPIO3=0, GPIO1=0 */ 35 TDA10046_GP01 = 0x42, /* GPIO3=0, GPIO1=1 */ 36 TDA10046_GP10 = 0x48, /* GPIO3=1, GPIO1=0 */ 37 TDA10046_GP11 = 0x4a, /* GPIO3=1, GPIO1=1 */ 38 TDA10046_GP00_I = 0x80, /* GPIO3=0, GPIO1=0, invert in sleep mode*/ 39 TDA10046_GP01_I = 0x82, /* GPIO3=0, GPIO1=1, invert in sleep mode */ 40 TDA10046_GP10_I = 0x88, /* GPIO3=1, GPIO1=0, invert in sleep mode */ 41 TDA10046_GP11_I = 0x8a, /* GPIO3=1, GPIO1=1, invert in sleep mode */ 42 }; 43 44 enum tda10046_if { 45 TDA10046_FREQ_3617, /* original config, 36,166 MHZ */ 46 TDA10046_FREQ_3613, /* 36,13 MHZ */ 47 TDA10046_FREQ_045, /* low IF, 4.0, 4.5, or 5.0 MHZ */ 48 TDA10046_FREQ_052, /* low IF, 5.1667 MHZ for tda9889 */ 49 }; 50 51 enum tda10046_tsout { 52 TDA10046_TS_PARALLEL = 0x00, /* parallel transport stream, default */ 53 TDA10046_TS_SERIAL = 0x01, /* serial transport stream */ 54 }; 55 56 struct tda1004x_config 57 { 58 /* the demodulator's i2c address */ 59 u8 demod_address; 60 61 /* does the "inversion" need inverted? */ 62 u8 invert; 63 64 /* Does the OCLK signal need inverted? */ 65 u8 invert_oclk; 66 67 /* parallel or serial transport stream */ 68 enum tda10046_tsout ts_mode; 69 70 /* Xtal frequency, 4 or 16MHz*/ 71 enum tda10046_xtal xtal_freq; 72 73 /* IF frequency */ 74 enum tda10046_if if_freq; 75 76 /* AGC configuration */ 77 enum tda10046_agc agc_config; 78 79 /* setting of GPIO1 and 3 */ 80 enum tda10046_gpio gpio_config; 81 82 /* slave address and configuration of the tuner */ 83 u8 tuner_address; 84 u8 antenna_switch; 85 86 /* if the board uses another I2c Bridge (tda8290), its address */ 87 u8 i2c_gate; 88 89 /* request firmware for device */ 90 int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name); 91 }; 92 93 enum tda1004x_demod { 94 TDA1004X_DEMOD_TDA10045, 95 TDA1004X_DEMOD_TDA10046, 96 }; 97 98 struct tda1004x_state { 99 struct i2c_adapter* i2c; 100 const struct tda1004x_config* config; 101 struct dvb_frontend frontend; 102 103 /* private demod data */ 104 enum tda1004x_demod demod_type; 105 }; 106 107 #if IS_REACHABLE(CONFIG_DVB_TDA1004X) 108 extern struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config, 109 struct i2c_adapter* i2c); 110 111 extern struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config, 112 struct i2c_adapter* i2c); 113 #else 114 static inline struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config, 115 struct i2c_adapter* i2c) 116 { 117 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 118 return NULL; 119 } 120 static inline struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config, 121 struct i2c_adapter* i2c) 122 { 123 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 124 return NULL; 125 } 126 #endif // CONFIG_DVB_TDA1004X 127 128 static inline int tda1004x_writereg(struct dvb_frontend *fe, u8 reg, u8 val) { 129 int r = 0; 130 u8 buf[] = {reg, val}; 131 if (fe->ops.write) 132 r = fe->ops.write(fe, buf, 2); 133 return r; 134 } 135 136 #endif // TDA1004X_H 137