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__ */