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

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3    Auvitek AU8522 QAM/8VSB demodulator driver
   4
   5    Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
   6
   7
   8*/
   9
  10#ifndef __AU8522_H__
  11#define __AU8522_H__
  12
  13#include <linux/dvb/frontend.h>
  14
  15enum au8522_if_freq {
  16        AU8522_IF_6MHZ = 0,
  17        AU8522_IF_4MHZ,
  18        AU8522_IF_3_25MHZ,
  19};
  20
  21struct au8522_led_config {
  22        u16 vsb8_strong;
  23        u16 qam64_strong;
  24        u16 qam256_strong;
  25
  26        u16 gpio_output;
  27        /* unset hi bits, set low bits */
  28        u16 gpio_output_enable;
  29        u16 gpio_output_disable;
  30
  31        u16 gpio_leds;
  32        u8 *led_states;
  33        unsigned int num_led_states;
  34};
  35
  36struct au8522_config {
  37        /* the demodulator's i2c address */
  38        u8 demod_address;
  39
  40        /* Return lock status based on tuner lock, or demod lock */
  41#define AU8522_TUNERLOCKING 0
  42#define AU8522_DEMODLOCKING 1
  43        u8 status_mode;
  44
  45        struct au8522_led_config *led_cfg;
  46
  47        enum au8522_if_freq vsb_if;
  48        enum au8522_if_freq qam_if;
  49};
  50
  51#if IS_REACHABLE(CONFIG_DVB_AU8522_DTV)
  52extern struct dvb_frontend *au8522_attach(const struct au8522_config *config,
  53                                          struct i2c_adapter *i2c);
  54#else
  55static inline
  56struct dvb_frontend *au8522_attach(const struct au8522_config *config,
  57                                   struct i2c_adapter *i2c)
  58{
  59        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  60        return NULL;
  61}
  62#endif /* CONFIG_DVB_AU8522 */
  63
  64/* Other modes may need to be added later */
  65enum au8522_video_input {
  66        AU8522_COMPOSITE_CH1 = 1,
  67        AU8522_COMPOSITE_CH2,
  68        AU8522_COMPOSITE_CH3,
  69        AU8522_COMPOSITE_CH4,
  70        AU8522_COMPOSITE_CH4_SIF,
  71        AU8522_SVIDEO_CH13,
  72        AU8522_SVIDEO_CH24,
  73};
  74
  75enum au8522_audio_input {
  76        AU8522_AUDIO_NONE,
  77        AU8522_AUDIO_SIF,
  78};
  79#endif /* __AU8522_H__ */
  80