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