1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 Samsung S5H1411 VSB/QAM demodulator driver 4 5 Copyright (C) 2008 Steven Toth <stoth@linuxtv.org> 6 7 8*/ 9 10#ifndef __S5H1411_H__ 11#define __S5H1411_H__ 12 13#include <linux/dvb/frontend.h> 14 15#define S5H1411_I2C_TOP_ADDR (0x32 >> 1) 16#define S5H1411_I2C_QAM_ADDR (0x34 >> 1) 17 18struct s5h1411_config { 19 20 /* serial/parallel output */ 21#define S5H1411_PARALLEL_OUTPUT 0 22#define S5H1411_SERIAL_OUTPUT 1 23 u8 output_mode; 24 25 /* GPIO Setting */ 26#define S5H1411_GPIO_OFF 0 27#define S5H1411_GPIO_ON 1 28 u8 gpio; 29 30 /* MPEG signal timing */ 31#define S5H1411_MPEGTIMING_CONTINUOUS_INVERTING_CLOCK 0 32#define S5H1411_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK 1 33#define S5H1411_MPEGTIMING_NONCONTINUOUS_INVERTING_CLOCK 2 34#define S5H1411_MPEGTIMING_NONCONTINUOUS_NONINVERTING_CLOCK 3 35 u16 mpeg_timing; 36 37 /* IF Freq for QAM and VSB in KHz */ 38#define S5H1411_IF_3250 3250 39#define S5H1411_IF_3500 3500 40#define S5H1411_IF_4000 4000 41#define S5H1411_IF_5380 5380 42#define S5H1411_IF_44000 44000 43#define S5H1411_VSB_IF_DEFAULT S5H1411_IF_44000 44#define S5H1411_QAM_IF_DEFAULT S5H1411_IF_44000 45 u16 qam_if; 46 u16 vsb_if; 47 48 /* Spectral Inversion */ 49#define S5H1411_INVERSION_OFF 0 50#define S5H1411_INVERSION_ON 1 51 u8 inversion; 52 53 /* Return lock status based on tuner lock, or demod lock */ 54#define S5H1411_TUNERLOCKING 0 55#define S5H1411_DEMODLOCKING 1 56 u8 status_mode; 57}; 58 59#if IS_REACHABLE(CONFIG_DVB_S5H1411) 60extern struct dvb_frontend *s5h1411_attach(const struct s5h1411_config *config, 61 struct i2c_adapter *i2c); 62#else 63static inline struct dvb_frontend *s5h1411_attach( 64 const struct s5h1411_config *config, 65 struct i2c_adapter *i2c) 66{ 67 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 68 return NULL; 69} 70#endif /* CONFIG_DVB_S5H1411 */ 71 72#endif /* __S5H1411_H__ */ 73