1 /* 2 * Samsung s5h1432 VSB/QAM demodulator driver 3 * 4 * Copyright (C) 2009 Bill Liu <Bill.Liu@Conexant.com> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 */ 17 18 #ifndef __S5H1432_H__ 19 #define __S5H1432_H__ 20 21 #include <linux/dvb/frontend.h> 22 23 #define S5H1432_I2C_TOP_ADDR (0x02 >> 1) 24 25 #define TAIWAN_HI_IF_FREQ_44_MHZ 44000000 26 #define EUROPE_HI_IF_FREQ_36_MHZ 36000000 27 #define IF_FREQ_6_MHZ 6000000 28 #define IF_FREQ_3point3_MHZ 3300000 29 #define IF_FREQ_3point5_MHZ 3500000 30 #define IF_FREQ_4_MHZ 4000000 31 32 struct s5h1432_config { 33 34 /* serial/parallel output */ 35 #define S5H1432_PARALLEL_OUTPUT 0 36 #define S5H1432_SERIAL_OUTPUT 1 37 u8 output_mode; 38 39 /* GPIO Setting */ 40 #define S5H1432_GPIO_OFF 0 41 #define S5H1432_GPIO_ON 1 42 u8 gpio; 43 44 /* MPEG signal timing */ 45 #define S5H1432_MPEGTIMING_CONTINOUS_INVERTING_CLOCK 0 46 #define S5H1432_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK 1 47 #define S5H1432_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK 2 48 #define S5H1432_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3 49 u16 mpeg_timing; 50 51 /* IF Freq for QAM and VSB in KHz */ 52 #define S5H1432_IF_3250 3250 53 #define S5H1432_IF_3500 3500 54 #define S5H1432_IF_4000 4000 55 #define S5H1432_IF_5380 5380 56 #define S5H1432_IF_44000 44000 57 #define S5H1432_VSB_IF_DEFAULT s5h1432_IF_44000 58 #define S5H1432_QAM_IF_DEFAULT s5h1432_IF_44000 59 u16 qam_if; 60 u16 vsb_if; 61 62 /* Spectral Inversion */ 63 #define S5H1432_INVERSION_OFF 0 64 #define S5H1432_INVERSION_ON 1 65 u8 inversion; 66 67 /* Return lock status based on tuner lock, or demod lock */ 68 #define S5H1432_TUNERLOCKING 0 69 #define S5H1432_DEMODLOCKING 1 70 u8 status_mode; 71 }; 72 73 #if IS_REACHABLE(CONFIG_DVB_S5H1432) 74 extern struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config, 75 struct i2c_adapter *i2c); 76 #else 77 static inline struct dvb_frontend *s5h1432_attach(const struct s5h1432_config 78 *config, 79 struct i2c_adapter *i2c) 80 { 81 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 82 return NULL; 83 } 84 #endif /* CONFIG_DVB_s5h1432 */ 85 86 #endif /* __s5h1432_H__ */ 87