1 /* 2 Auvitek AU8522 QAM/8VSB demodulator driver 3 4 Copyright (C) 2008 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 __AU8522_H__ 23 #define __AU8522_H__ 24 25 #include <linux/kconfig.h> 26 #include <linux/dvb/frontend.h> 27 28 enum au8522_if_freq { 29 AU8522_IF_6MHZ = 0, 30 AU8522_IF_4MHZ, 31 AU8522_IF_3_25MHZ, 32 }; 33 34 struct au8522_led_config { 35 u16 vsb8_strong; 36 u16 qam64_strong; 37 u16 qam256_strong; 38 39 u16 gpio_output; 40 /* unset hi bits, set low bits */ 41 u16 gpio_output_enable; 42 u16 gpio_output_disable; 43 44 u16 gpio_leds; 45 u8 *led_states; 46 unsigned int num_led_states; 47 }; 48 49 struct au8522_config { 50 /* the demodulator's i2c address */ 51 u8 demod_address; 52 53 /* Return lock status based on tuner lock, or demod lock */ 54 #define AU8522_TUNERLOCKING 0 55 #define AU8522_DEMODLOCKING 1 56 u8 status_mode; 57 58 struct au8522_led_config *led_cfg; 59 60 enum au8522_if_freq vsb_if; 61 enum au8522_if_freq qam_if; 62 }; 63 64 #if IS_REACHABLE(CONFIG_DVB_AU8522_DTV) 65 extern struct dvb_frontend *au8522_attach(const struct au8522_config *config, 66 struct i2c_adapter *i2c); 67 #else 68 static inline 69 struct dvb_frontend *au8522_attach(const struct au8522_config *config, 70 struct i2c_adapter *i2c) 71 { 72 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 73 return NULL; 74 } 75 #endif /* CONFIG_DVB_AU8522 */ 76 77 /* Other modes may need to be added later */ 78 enum au8522_video_input { 79 AU8522_COMPOSITE_CH1 = 1, 80 AU8522_COMPOSITE_CH2, 81 AU8522_COMPOSITE_CH3, 82 AU8522_COMPOSITE_CH4, 83 AU8522_COMPOSITE_CH4_SIF, 84 AU8522_SVIDEO_CH13, 85 AU8522_SVIDEO_CH24, 86 }; 87 88 enum au8522_audio_input { 89 AU8522_AUDIO_NONE, 90 AU8522_AUDIO_SIF, 91 }; 92 #endif /* __AU8522_H__ */ 93