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/dvb/frontend.h>
26
27 enum au8522_if_freq {
28 AU8522_IF_6MHZ = 0,
29 AU8522_IF_4MHZ,
30 AU8522_IF_3_25MHZ,
31 };
32
33 struct au8522_led_config {
34 u16 vsb8_strong;
35 u16 qam64_strong;
36 u16 qam256_strong;
37
38 u16 gpio_output;
39 /* unset hi bits, set low bits */
40 u16 gpio_output_enable;
41 u16 gpio_output_disable;
42
43 u16 gpio_leds;
44 u8 *led_states;
45 unsigned int num_led_states;
46 };
47
48 struct au8522_config {
49 /* the demodulator's i2c address */
50 u8 demod_address;
51
52 /* Return lock status based on tuner lock, or demod lock */
53 #define AU8522_TUNERLOCKING 0
54 #define AU8522_DEMODLOCKING 1
55 u8 status_mode;
56
57 struct au8522_led_config *led_cfg;
58
59 enum au8522_if_freq vsb_if;
60 enum au8522_if_freq qam_if;
61 };
62
63 #if defined(CONFIG_DVB_AU8522) || \
64 (defined(CONFIG_DVB_AU8522_MODULE) && defined(MODULE))
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
93 #endif /* __AU8522_H__ */
94
95 /*
96 * Local variables:
97 * c-basic-offset: 8
98 */
99
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