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 
28 enum au8522_if_freq {
29 	AU8522_IF_6MHZ = 0,
30 	AU8522_IF_4MHZ,
31 	AU8522_IF_3_25MHZ,
32 };
33 
34 struct 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 
49 struct 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_REACHABLE(CONFIG_DVB_AU8522_DTV)
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 #endif /* __AU8522_H__ */
93