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 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 * 20 */ 21 22#ifndef __S5H1432_H__ 23#define __S5H1432_H__ 24 25#include <linux/kconfig.h> 26#include <linux/dvb/frontend.h> 27 28#define S5H1432_I2C_TOP_ADDR (0x02 >> 1) 29 30#define TAIWAN_HI_IF_FREQ_44_MHZ 44000000 31#define EUROPE_HI_IF_FREQ_36_MHZ 36000000 32#define IF_FREQ_6_MHZ 6000000 33#define IF_FREQ_3point3_MHZ 3300000 34#define IF_FREQ_3point5_MHZ 3500000 35#define IF_FREQ_4_MHZ 4000000 36 37struct s5h1432_config { 38 39 /* serial/parallel output */ 40#define S5H1432_PARALLEL_OUTPUT 0 41#define S5H1432_SERIAL_OUTPUT 1 42 u8 output_mode; 43 44 /* GPIO Setting */ 45#define S5H1432_GPIO_OFF 0 46#define S5H1432_GPIO_ON 1 47 u8 gpio; 48 49 /* MPEG signal timing */ 50#define S5H1432_MPEGTIMING_CONTINOUS_INVERTING_CLOCK 0 51#define S5H1432_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK 1 52#define S5H1432_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK 2 53#define S5H1432_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3 54 u16 mpeg_timing; 55 56 /* IF Freq for QAM and VSB in KHz */ 57#define S5H1432_IF_3250 3250 58#define S5H1432_IF_3500 3500 59#define S5H1432_IF_4000 4000 60#define S5H1432_IF_5380 5380 61#define S5H1432_IF_44000 44000 62#define S5H1432_VSB_IF_DEFAULT s5h1432_IF_44000 63#define S5H1432_QAM_IF_DEFAULT s5h1432_IF_44000 64 u16 qam_if; 65 u16 vsb_if; 66 67 /* Spectral Inversion */ 68#define S5H1432_INVERSION_OFF 0 69#define S5H1432_INVERSION_ON 1 70 u8 inversion; 71 72 /* Return lock status based on tuner lock, or demod lock */ 73#define S5H1432_TUNERLOCKING 0 74#define S5H1432_DEMODLOCKING 1 75 u8 status_mode; 76}; 77 78#if IS_ENABLED(CONFIG_DVB_S5H1432) 79extern struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config, 80 struct i2c_adapter *i2c); 81#else 82static inline struct dvb_frontend *s5h1432_attach(const struct s5h1432_config 83 *config, 84 struct i2c_adapter *i2c) 85{ 86 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 87 return NULL; 88} 89#endif /* CONFIG_DVB_s5h1432 */ 90 91#endif /* __s5h1432_H__ */ 92