1 /* 2 Samsung S5H1409 VSB/QAM demodulator driver 3 4 Copyright (C) 2006 Steven Toth <stoth@linuxtv.org> 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 __S5H1409_H__ 23 #define __S5H1409_H__ 24 25 #include <linux/kconfig.h> 26 #include <linux/dvb/frontend.h> 27 28 struct s5h1409_config { 29 /* the demodulator's i2c address */ 30 u8 demod_address; 31 32 /* serial/parallel output */ 33 #define S5H1409_PARALLEL_OUTPUT 0 34 #define S5H1409_SERIAL_OUTPUT 1 35 u8 output_mode; 36 37 /* GPIO Setting */ 38 #define S5H1409_GPIO_OFF 0 39 #define S5H1409_GPIO_ON 1 40 u8 gpio; 41 42 /* IF Freq for QAM in KHz, VSB is hardcoded to 5380 */ 43 u16 qam_if; 44 45 /* Spectral Inversion */ 46 #define S5H1409_INVERSION_OFF 0 47 #define S5H1409_INVERSION_ON 1 48 u8 inversion; 49 50 /* Return lock status based on tuner lock, or demod lock */ 51 #define S5H1409_TUNERLOCKING 0 52 #define S5H1409_DEMODLOCKING 1 53 u8 status_mode; 54 55 /* MPEG signal timing */ 56 #define S5H1409_MPEGTIMING_CONTINOUS_INVERTING_CLOCK 0 57 #define S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK 1 58 #define S5H1409_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK 2 59 #define S5H1409_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3 60 u16 mpeg_timing; 61 62 /* HVR-1600 optimizations (to better work with MXL5005s) 63 Note: some of these are likely to be folded into the generic driver 64 after being regression tested with other boards */ 65 #define S5H1409_HVR1600_NOOPTIMIZE 0 66 #define S5H1409_HVR1600_OPTIMIZE 1 67 u8 hvr1600_opt; 68 }; 69 70 #if IS_ENABLED(CONFIG_DVB_S5H1409) 71 extern struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config, 72 struct i2c_adapter *i2c); 73 #else 74 static inline struct dvb_frontend *s5h1409_attach( 75 const struct s5h1409_config *config, 76 struct i2c_adapter *i2c) 77 { 78 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 79 return NULL; 80 } 81 #endif /* CONFIG_DVB_S5H1409 */ 82 83 #endif /* __S5H1409_H__ */ 84