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/dvb/frontend.h> 26 27 enum au8522_if_freq { 28 AU8522_IF_6MHZ = 0, 29 AU8522_IF_4MHZ, 30 AU8522_IF_3_25MHZ, 31 }; 32 33 struct au8522_led_config { 34 u16 vsb8_strong; 35 u16 qam64_strong; 36 u16 qam256_strong; 37 38 u16 gpio_output; 39 /* unset hi bits, set low bits */ 40 u16 gpio_output_enable; 41 u16 gpio_output_disable; 42 43 u16 gpio_leds; 44 u8 *led_states; 45 unsigned int num_led_states; 46 }; 47 48 struct au8522_config { 49 /* the demodulator's i2c address */ 50 u8 demod_address; 51 52 /* Return lock status based on tuner lock, or demod lock */ 53 #define AU8522_TUNERLOCKING 0 54 #define AU8522_DEMODLOCKING 1 55 u8 status_mode; 56 57 struct au8522_led_config *led_cfg; 58 59 enum au8522_if_freq vsb_if; 60 enum au8522_if_freq qam_if; 61 }; 62 63 #if defined(CONFIG_DVB_AU8522) || \ 64 (defined(CONFIG_DVB_AU8522_MODULE) && defined(MODULE)) 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 93 #endif /* __AU8522_H__ */ 94 95 /* 96 * Local variables: 97 * c-basic-offset: 8 98 */ 99