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Commit | Line | Data |
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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 | ||
828cb4ed SP |
10 | |
11 | #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80 | |
12 | ||
f302240d | 13 | struct hdac_cea_channel_speaker_allocation { |
67b90cb8 SP |
14 | int ca_index; |
15 | int speakers[8]; | |
16 | ||
17 | /* derived values, just for convenience */ | |
18 | int channels; | |
19 | int spk_mask; | |
20 | }; | |
21 | struct hdac_chmap; | |
22 | ||
23 | struct hdac_chmap_ops { | |
24 | /* | |
25 | * Helpers for producing the channel map TLVs. These can be overridden | |
26 | * for devices that have non-standard mapping requirements. | |
27 | */ | |
28 | int (*chmap_cea_alloc_validate_get_type)(struct hdac_chmap *chmap, | |
f302240d | 29 | struct hdac_cea_channel_speaker_allocation *cap, int channels); |
828cb4ed SP |
30 | void (*cea_alloc_to_tlv_chmap)(struct hdac_chmap *hchmap, |
31 | struct hdac_cea_channel_speaker_allocation *cap, | |
67b90cb8 SP |
32 | unsigned int *chmap, int channels); |
33 | ||
34 | /* check that the user-given chmap is supported */ | |
828cb4ed SP |
35 | int (*chmap_validate)(struct hdac_chmap *hchmap, int ca, |
36 | int channels, unsigned char *chmap); | |
9b3dc8aa SP |
37 | |
38 | void (*get_chmap)(struct hdac_device *hdac, int pcm_idx, | |
39 | unsigned char *chmap); | |
40 | void (*set_chmap)(struct hdac_device *hdac, int pcm_idx, | |
41 | unsigned char *chmap, int prepared); | |
42 | bool (*is_pcm_attached)(struct hdac_device *hdac, int pcm_idx); | |
739ffee9 SP |
43 | |
44 | /* get and set channel assigned to each HDMI ASP (audio sample packet) slot */ | |
45 | int (*pin_get_slot_channel)(struct hdac_device *codec, | |
46 | hda_nid_t pin_nid, int asp_slot); | |
47 | int (*pin_set_slot_channel)(struct hdac_device *codec, | |
48 | hda_nid_t pin_nid, int asp_slot, int channel); | |
49 | void (*set_channel_count)(struct hdac_device *codec, | |
50 | hda_nid_t cvt_nid, int chs); | |
67b90cb8 SP |
51 | }; |
52 | ||
53 | struct hdac_chmap { | |
54 | unsigned int channels_max; /* max over all cvts */ | |
55 | struct hdac_chmap_ops ops; | |
56 | struct hdac_device *hdac; | |
57 | }; | |
58 | ||
739ffee9 SP |
59 | void snd_hdac_register_chmap_ops(struct hdac_device *hdac, |
60 | struct hdac_chmap *chmap); | |
67b90cb8 | 61 | #endif /* __SOUND_HDA_CHMAP_H */ |