1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 Samsung S5H1409 VSB/QAM demodulator driver 4 5 Copyright (C) 2006 Steven Toth <stoth@linuxtv.org> 6 7 8 */ 9 10 #ifndef __S5H1409_H__ 11 #define __S5H1409_H__ 12 13 #include <linux/dvb/frontend.h> 14 15 struct s5h1409_config { 16 /* the demodulator's i2c address */ 17 u8 demod_address; 18 19 /* serial/parallel output */ 20 #define S5H1409_PARALLEL_OUTPUT 0 21 #define S5H1409_SERIAL_OUTPUT 1 22 u8 output_mode; 23 24 /* GPIO Setting */ 25 #define S5H1409_GPIO_OFF 0 26 #define S5H1409_GPIO_ON 1 27 u8 gpio; 28 29 /* IF Freq for QAM in KHz, VSB is hardcoded to 5380 */ 30 u16 qam_if; 31 32 /* Spectral Inversion */ 33 #define S5H1409_INVERSION_OFF 0 34 #define S5H1409_INVERSION_ON 1 35 u8 inversion; 36 37 /* Return lock status based on tuner lock, or demod lock */ 38 #define S5H1409_TUNERLOCKING 0 39 #define S5H1409_DEMODLOCKING 1 40 u8 status_mode; 41 42 /* MPEG signal timing */ 43 #define S5H1409_MPEGTIMING_CONTINUOUS_INVERTING_CLOCK 0 44 #define S5H1409_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK 1 45 #define S5H1409_MPEGTIMING_NONCONTINUOUS_INVERTING_CLOCK 2 46 #define S5H1409_MPEGTIMING_NONCONTINUOUS_NONINVERTING_CLOCK 3 47 u16 mpeg_timing; 48 49 /* HVR-1600 optimizations (to better work with MXL5005s) 50 Note: some of these are likely to be folded into the generic driver 51 after being regression tested with other boards */ 52 #define S5H1409_HVR1600_NOOPTIMIZE 0 53 #define S5H1409_HVR1600_OPTIMIZE 1 54 u8 hvr1600_opt; 55 }; 56 57 #if IS_REACHABLE(CONFIG_DVB_S5H1409) 58 extern struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config, 59 struct i2c_adapter *i2c); 60 #else s5h1409_attach(const struct s5h1409_config * config,struct i2c_adapter * i2c)61static inline struct dvb_frontend *s5h1409_attach( 62 const struct s5h1409_config *config, 63 struct i2c_adapter *i2c) 64 { 65 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 66 return NULL; 67 } 68 #endif /* CONFIG_DVB_S5H1409 */ 69 70 #endif /* __S5H1409_H__ */ 71