LXR linux/drivers/media/dvb-frontends/au8522.h

   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
  28enum au8522_if_freq {
  29        AU8522_IF_6MHZ = 0,
  30        AU8522_IF_4MHZ,
  31        AU8522_IF_3_25MHZ,
  32};
  33
  34struct 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
  49struct 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_ENABLED(CONFIG_DVB_AU8522_DTV)
  65extern struct dvb_frontend *au8522_attach(const struct au8522_config *config,
  66                                          struct i2c_adapter *i2c);
  67#else
  68static inline
  69struct 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 */
  78enum 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
  88enum 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