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d /* SPDX-License-Identifier: GPL-2.0 */
/*
* For multichannel support
*/
#ifndef __SOUND_HDA_CHMAP_H
#define __SOUND_HDA_CHMAP_H
#include
#include
#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);
int (*get_spk_alloc)(struct hdac_device *hdac, int pcm_idx);
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_ni