mirror of
https://github.com/torvalds/linux.git
synced 2024-11-15 16:41:58 +00:00
bb63f726f9
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/*
|
|
* For multichannel support
|
|
*/
|
|
|
|
#ifndef __SOUND_HDA_CHMAP_H
|
|
#define __SOUND_HDA_CHMAP_H
|
|
|
|
#include <sound/pcm.h>
|
|
#include <sound/hdaudio.h>
|
|
|
|
|
|
#define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
|
|
|
|
struct hdac_cea_channel_speaker_allocation {
|
|
int ca_index;
|
|
int speakers[8];
|
|
|
|
/* derived values, just for convenience */
|
|
int channels;
|
|
int spk_mask;
|
|
};
|
|
struct hdac_chmap;
|
|
|
|
struct hdac_chmap_ops {
|
|
/*
|
|
* Helpers for producing the channel map TLVs. These can be overridden
|
|
* for devices that have non-standard mapping requirements.
|
|
*/
|
|
int (*chmap_cea_alloc_validate_get_type)(struct hdac_chmap *chmap,
|
|
struct hdac_cea_channel_speaker_allocation *cap, int channels);
|
|
void (*cea_alloc_to_tlv_chmap)(struct hdac_chmap *hchmap,
|
|
struct hdac_cea_channel_speaker_allocation *cap,
|
|
unsigned int *chmap, int channels);
|
|
|
|
/* check that the user-given chmap is supported */
|
|
int (*chmap_validate)(struct hdac_chmap *hchmap, int ca,
|
|
int channels, unsigned char *chmap);
|
|
|
|
void (*get_chmap)(struct hdac_device *hdac, int pcm_idx,
|
|
unsigned char *chmap);
|
|
void (*set_chmap)(struct hdac_device *hdac, int pcm_idx,
|
|
unsigned char *chmap, int prepared);
|
|
bool (*is_pcm_attached)(struct hdac_device *hdac, int pcm_idx);
|
|
|
|
/* get and set channel assigned to each HDMI ASP (audio sample packet) slot */
|
|
int (*pin_get_slot_channel)(struct hdac_device *codec,
|
|
hda_nid_t pin_nid, int asp_slot);
|
|
int (*pin_set_slot_channel)(struct hdac_device *codec,
|
|
hda_nid_t pin_nid, int asp_slot, int channel);
|
|
void (*set_channel_count)(struct hdac_device *codec,
|
|
hda_nid_t cvt_nid, int chs);
|
|
};
|
|
|
|
struct hdac_chmap {
|
|
unsigned int channels_max; /* max over all cvts */
|
|
struct hdac_chmap_ops ops;
|
|
struct hdac_device *hdac;
|
|
};
|
|
|
|
void snd_hdac_register_chmap_ops(struct hdac_device *hdac,
|
|
struct hdac_chmap *chmap);
|
|
int snd_hdac_channel_allocation(struct hdac_device *hdac, int spk_alloc,
|
|
int channels, bool chmap_set,
|
|
bool non_pcm, unsigned char *map);
|
|
int snd_hdac_get_active_channels(int ca);
|
|
void snd_hdac_setup_channel_mapping(struct hdac_chmap *chmap,
|
|
hda_nid_t pin_nid, bool non_pcm, int ca,
|
|
int channels, unsigned char *map,
|
|
bool chmap_set);
|
|
void snd_hdac_print_channel_allocation(int spk_alloc, char *buf, int buflen);
|
|
struct hdac_cea_channel_speaker_allocation *snd_hdac_get_ch_alloc_from_ca(int ca);
|
|
int snd_hdac_chmap_to_spk_mask(unsigned char c);
|
|
int snd_hdac_spk_to_chmap(int spk);
|
|
int snd_hdac_add_chmap_ctls(struct snd_pcm *pcm, int pcm_idx,
|
|
struct hdac_chmap *chmap);
|
|
#endif /* __SOUND_HDA_CHMAP_H */
|