| 1 |
|
| 2 | |
| 3 | * For multichannel support
|
| 4 |
|
| 5 |
|
| 6 | #ifndef __SOUND_HDA_CHMAP_H
|
| 7 | #define __SOUND_HDA_CHMAP_H
|
| 8 |
|
| 9 | #include <sound/pcm.h>
|
| 10 | #include <sound/hdaudio.h>
|
| 11 |
|
| 12 |
|
| 13 | #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
|
| 14 |
|
| 15 | struct hdac_cea_channel_speaker_allocation {
|
| 16 | int ca_index;
|
| 17 | int speakers[8];
|
| 18 |
|
| 19 |
|
| 20 | int channels;
|
| 21 | int spk_mask;
|
| 22 | };
|
| 23 | struct hdac_chmap;
|
| 24 |
|
| 25 | struct hdac_chmap_ops {
|
| 26 | |
| 27 | * Helpers for producing the channel map TLVs. These can be overridden
|
| 28 | * for devices that have non-standard mapping requirements.
|
| 29 |
|
| 30 | int (*chmap_cea_alloc_validate_get_type)(struct hdac_chmap *chmap,
|
| 31 | struct hdac_cea_channel_speaker_allocation *cap, int channels);
|
| 32 | void (*cea_alloc_to_tlv_chmap)(struct hdac_chmap *hchmap,
|
| 33 | struct hdac_cea_channel_speaker_allocation *cap,
|
| 34 | unsigned int *chmap, int channels);
|
| 35 |
|
| 36 |
|
| 37 | int (*chmap_validate)(struct hdac_chmap *hchmap, int ca,
|
| 38 | int channels, unsigned char *chmap);
|
| 39 |
|
| 40 | int (*get_spk_alloc)(struct hdac_device *hdac, int pcm_idx);
|
| 41 |
|
| 42 | void (*get_chmap)(struct hdac_device *hdac, int pcm_idx,
|
| 43 | unsigned char *chmap);
|
| 44 | void (*set_chmap)(struct hdac_device *hdac, int pcm_idx,
|
| 45 | unsigned char *chmap, int prepared);
|
| 46 | bool (*is_pcm_attached)(struct hdac_device *hdac, int pcm_idx);
|
| 47 |
|
| 48 |
|
| 49 | int (*pin_get_slot_channel)(struct hdac_device *codec,
|
| 50 | hda_nid_t pin_nid, int asp_slot);
|
| 51 | int (*pin_set_slot_channel)(struct hdac_device *codec,
|
| 52 | hda_nid_t pin_nid, int asp_slot, int channel);
|
| 53 | void (*set_channel_count)(struct hdac_device *codec,
|
| 54 | hda_nid_t cvt_nid, int chs);
|
| 55 | };
|
| 56 |
|
| 57 | struct hdac_chmap {
|
| 58 | unsigned int channels_max;
|
| 59 | struct hdac_chmap_ops ops;
|
| 60 | struct hdac_device *hdac;
|
| 61 | };
|
| 62 |
|
| 63 | void snd_hdac_register_chmap_ops(struct hdac_device *hdac,
|
| 64 | struct hdac_chmap *chmap);
|
| 65 | int snd_hdac_channel_allocation(struct hdac_device *hdac, int spk_alloc,
|
| 66 | int channels, bool chmap_set,
|
| 67 | bool non_pcm, unsigned char *map);
|
| 68 | int snd_hdac_get_active_channels(int ca);
|
| 69 | void snd_hdac_setup_channel_mapping(struct hdac_chmap *chmap,
|
| 70 | hda_nid_t pin_nid, bool non_pcm, int ca,
|
| 71 | int channels, unsigned char *map,
|
| 72 | bool chmap_set);
|
| 73 | void snd_hdac_print_channel_allocation(int spk_alloc, char *buf, int buflen);
|
| 74 | struct hdac_cea_channel_speaker_allocation *snd_hdac_get_ch_alloc_from_ca(int ca);
|
| 75 | int snd_hdac_chmap_to_spk_mask(unsigned char c);
|
| 76 | int snd_hdac_spk_to_chmap(int spk);
|
| 77 | int snd_hdac_add_chmap_ctls(struct snd_pcm *pcm, int pcm_idx,
|
| 78 | struct hdac_chmap *chmap);
|
| 79 | #endif
|