1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Samsung s5h1432 VSB/QAM demodulator driver 4 * 5 * Copyright (C) 2009 Bill Liu <Bill.Liu@Conexant.com> 6 */ 7 8 #ifndef __S5H1432_H__ 9 #define __S5H1432_H__ 10 11 #include <linux/dvb/frontend.h> 12 13 #define S5H1432_I2C_TOP_ADDR (0x02 >> 1) 14 15 #define TAIWAN_HI_IF_FREQ_44_MHZ 44000000 16 #define EUROPE_HI_IF_FREQ_36_MHZ 36000000 17 #define IF_FREQ_6_MHZ 6000000 18 #define IF_FREQ_3point3_MHZ 3300000 19 #define IF_FREQ_3point5_MHZ 3500000 20 #define IF_FREQ_4_MHZ 4000000 21 22 struct s5h1432_config { 23 24 /* serial/parallel output */ 25 #define S5H1432_PARALLEL_OUTPUT 0 26 #define S5H1432_SERIAL_OUTPUT 1 27 u8 output_mode; 28 29 /* GPIO Setting */ 30 #define S5H1432_GPIO_OFF 0 31 #define S5H1432_GPIO_ON 1 32 u8 gpio; 33 34 /* MPEG signal timing */ 35 #define S5H1432_MPEGTIMING_CONTINUOUS_INVERTING_CLOCK 0 36 #define S5H1432_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK 1 37 #define S5H1432_MPEGTIMING_NONCONTINUOUS_INVERTING_CLOCK 2 38 #define S5H1432_MPEGTIMING_NONCONTINUOUS_NONINVERTING_CLOCK 3 39 u16 mpeg_timing; 40 41 /* IF Freq for QAM and VSB in KHz */ 42 #define S5H1432_IF_3250 3250 43 #define S5H1432_IF_3500 3500 44 #define S5H1432_IF_4000 4000 45 #define S5H1432_IF_5380 5380 46 #define S5H1432_IF_44000 44000 47 #define S5H1432_VSB_IF_DEFAULT s5h1432_IF_44000 48 #define S5H1432_QAM_IF_DEFAULT s5h1432_IF_44000 49 u16 qam_if; 50 u16 vsb_if; 51 52 /* Spectral Inversion */ 53 #define S5H1432_INVERSION_OFF 0 54 #define S5H1432_INVERSION_ON 1 55 u8 inversion; 56 57 /* Return lock status based on tuner lock, or demod lock */ 58 #define S5H1432_TUNERLOCKING 0 59 #define S5H1432_DEMODLOCKING 1 60 u8 status_mode; 61 }; 62 63 #if IS_REACHABLE(CONFIG_DVB_S5H1432) 64 extern struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config, 65 struct i2c_adapter *i2c); 66 #else s5h1432_attach(const struct s5h1432_config * config,struct i2c_adapter * i2c)67static inline struct dvb_frontend *s5h1432_attach(const struct s5h1432_config 68 *config, 69 struct i2c_adapter *i2c) 70 { 71 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 72 return NULL; 73 } 74 #endif /* CONFIG_DVB_s5h1432 */ 75 76 #endif /* __s5h1432_H__ */ 77