1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
#ifndef AUDIOCHIP_H
#define AUDIOCHIP_H
/* ---------------------------------------------------------------------- */
#define MIN(a,b) (((a)>(b))?(b):(a))
#define MAX(a,b) (((a)>(b))?(a):(b))
/* v4l device was opened in Radio mode */
#define AUDC_SET_RADIO _IO('m',2)
/* select from TV,radio,extern,MUTE */
#define AUDC_SET_INPUT _IOW('m',17,int)
/* all the stuff below is obsolete and just here for reference. I'll
* remove it once the driver is tested and works fine.
*
* Instead creating alot of tiny API's for all kinds of different
* chips, we'll just pass throuth the v4l ioctl structs (v4l2 not
* yet...). It is a bit less flexible, but most/all used i2c chips
* make sense in v4l context only. So I think that's acceptable...
*/
#if 0
/* TODO (if it is ever [to be] accessible in the V4L[2] spec):
* maybe fade? (back/front)
* notes:
* NEWCHANNEL and SWITCH_MUTE are here because the MSP3400 has a special
* routine to go through when it tunes in to a new channel before turning
* back on the sound.
* Either SET_RADIO, NEWCHANNEL, and SWITCH_MUTE or SET_INPUT need to be
* implemented (MSP3400 uses SET_RADIO to select inputs, and SWITCH_MUTE for
* channel-change mute -- TEA6300 et al use SET_AUDIO to select input [TV,
* radio, external, or MUTE]). If both methods are implemented, you get a
* cookie for doing such a good job! :)
*/
#define AUDC_SET_TVNORM _IOW('m',1,int) /* TV mode + PAL/SECAM/NTSC */
#define AUDC_NEWCHANNEL _IO('m',3) /* indicate new chan - off mute */
#define AUDC_GET_VOLUME_LEFT _IOR('m',4,__u16)
#define AUDC_GET_VOLUME_RIGHT _IOR('m',5,__u16)
#define AUDC_SET_VOLUME_LEFT _IOW('m',6,__u16)
#define AUDC_SET_VOLUME_RIGHT _IOW('m',7,__u16)
#define AUDC_GET_STEREO _IOR('m',8,__u16)
#define AUDC_SET_STEREO _IOW('m',9,__u16)
#define AUDC_GET_DC _IOR('m',10,__u16)/* ??? */
#define AUDC_GET_BASS _IOR('m',11,__u16)
#define AUDC_SET_BASS _IOW('m',12,__u16)
#define AUDC_GET_TREBLE _IOR('m',13,__u16)
#define AUDC_SET_TREBLE _IOW('m',14,__u16)
#define AUDC_GET_UNIT _IOR('m',15,int) /* ??? - unimplemented in MSP3400 */
#define AUDC_SWITCH_MUTE _IO('m',16) /* turn on mute */
#endif
#endif /* AUDIOCHIP_H */
|
