Commit | Line | Data |
---|---|---|
67b90cb8 SP |
1 | /* |
2 | * For multichannel support | |
3 | */ | |
4 | ||
5 | #ifndef __SOUND_HDA_CHMAP_H | |
6 | #define __SOUND_HDA_CHMAP_H | |
7 | ||
8 | #include <sound/hdaudio.h> | |
9 | ||
f302240d | 10 | struct hdac_cea_channel_speaker_allocation { |
67b90cb8 SP |
11 | int ca_index; |
12 | int speakers[8]; | |
13 | ||
14 | /* derived values, just for convenience */ | |
15 | int channels; | |
16 | int spk_mask; | |
17 | }; | |
18 | struct hdac_chmap; | |
19 | ||
20 | struct hdac_chmap_ops { | |
21 | /* | |
22 | * Helpers for producing the channel map TLVs. These can be overridden | |
23 | * for devices that have non-standard mapping requirements. | |
24 | */ | |
25 | int (*chmap_cea_alloc_validate_get_type)(struct hdac_chmap *chmap, | |
f302240d | 26 | struct hdac_cea_channel_speaker_allocation *cap, int channels); |
67b90cb8 | 27 | void (*cea_alloc_to_tlv_chmap) |
f302240d | 28 | (struct hdac_cea_channel_speaker_allocation *cap, |
67b90cb8 SP |
29 | unsigned int *chmap, int channels); |
30 | ||
31 | /* check that the user-given chmap is supported */ | |
32 | int (*chmap_validate)(int ca, int channels, unsigned char *chmap); | |
9b3dc8aa SP |
33 | |
34 | void (*get_chmap)(struct hdac_device *hdac, int pcm_idx, | |
35 | unsigned char *chmap); | |
36 | void (*set_chmap)(struct hdac_device *hdac, int pcm_idx, | |
37 | unsigned char *chmap, int prepared); | |
38 | bool (*is_pcm_attached)(struct hdac_device *hdac, int pcm_idx); | |
67b90cb8 SP |
39 | }; |
40 | ||
41 | struct hdac_chmap { | |
42 | unsigned int channels_max; /* max over all cvts */ | |
43 | struct hdac_chmap_ops ops; | |
44 | struct hdac_device *hdac; | |
45 | }; | |
46 | ||
47 | #endif /* __SOUND_HDA_CHMAP_H */ |