Blame - include/sound/hda_chmap.h - SHIFTPHONES/mainline/linux

blob: e508f319229454c2ad59a8c4516ec04764ee689d [file] [log] [blame]

Greg Kroah-Hartman	b244131	2017-11-01 15:07:57 +0100	[diff] [blame]	1	/* SPDX-License-Identifier: GPL-2.0 */
Subhransu S. Prusty	67b90cb	2016-03-04 19:59:46 +0530	[diff] [blame]	2	/*
				3	* For multichannel support
				4	*/
				5
				6	#ifndef __SOUND_HDA_CHMAP_H
				7	#define __SOUND_HDA_CHMAP_H
				8
Subhransu S. Prusty	2f6e8a8	2016-03-04 19:59:51 +0530	[diff] [blame]	9	#include <sound/pcm.h>
Subhransu S. Prusty	67b90cb	2016-03-04 19:59:46 +0530	[diff] [blame]	10	#include <sound/hdaudio.h>
				11
Subhransu S. Prusty	828cb4e	2016-03-04 19:59:50 +0530	[diff] [blame]	12
				13	#define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
				14
Subhransu S. Prusty	f302240	2016-03-04 19:59:48 +0530	[diff] [blame]	15	struct hdac_cea_channel_speaker_allocation {
Subhransu S. Prusty	67b90cb	2016-03-04 19:59:46 +0530	[diff] [blame]	16	int ca_index;
				17	int speakers[8];
				18
				19	/* derived values, just for convenience */
				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,
Subhransu S. Prusty	f302240	2016-03-04 19:59:48 +0530	[diff] [blame]	31	struct hdac_cea_channel_speaker_allocation *cap, int channels);
Subhransu S. Prusty	828cb4e	2016-03-04 19:59:50 +0530	[diff] [blame]	32	void (cea_alloc_to_tlv_chmap)(struct hdac_chmap hchmap,
				33	struct hdac_cea_channel_speaker_allocation *cap,
Subhransu S. Prusty	67b90cb	2016-03-04 19:59:46 +0530	[diff] [blame]	34	unsigned int *chmap, int channels);
				35
				36	/* check that the user-given chmap is supported */
Subhransu S. Prusty	828cb4e	2016-03-04 19:59:50 +0530	[diff] [blame]	37	int (chmap_validate)(struct hdac_chmap hchmap, int ca,
				38	int channels, unsigned char *chmap);
Subhransu S. Prusty	9b3dc8a	2016-03-04 19:59:47 +0530	[diff] [blame]	39
Subhransu S. Prusty	44fde3b	2016-04-04 19:23:54 +0530	[diff] [blame]	40	int (get_spk_alloc)(struct hdac_device hdac, int pcm_idx);
				41
Subhransu S. Prusty	9b3dc8a	2016-03-04 19:59:47 +0530	[diff] [blame]	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);
Subhransu S. Prusty	739ffee	2016-03-04 19:59:49 +0530	[diff] [blame]	47
				48	/* get and set channel assigned to each HDMI ASP (audio sample packet) slot */
				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);
Subhransu S. Prusty	67b90cb	2016-03-04 19:59:46 +0530	[diff] [blame]	55	};
				56
				57	struct hdac_chmap {
				58	unsigned int channels_max; /* max over all cvts */
				59	struct hdac_chmap_ops ops;
				60	struct hdac_device *hdac;
				61	};
				62
Subhransu S. Prusty	739ffee	2016-03-04 19:59:49 +0530	[diff] [blame]	63	void snd_hdac_register_chmap_ops(struct hdac_device *hdac,
				64	struct hdac_chmap *chmap);
Subhransu S. Prusty	bb63f72	2016-03-04 19:59:52 +0530	[diff] [blame]	65	int snd_hdac_channel_allocation(struct hdac_device *hdac, int spk_alloc,
Subhransu S. Prusty	2f6e8a8	2016-03-04 19:59:51 +0530	[diff] [blame]	66	int channels, bool chmap_set,
				67	bool non_pcm, unsigned char *map);
Subhransu S. Prusty	bb63f72	2016-03-04 19:59:52 +0530	[diff] [blame]	68	int snd_hdac_get_active_channels(int ca);
				69	void snd_hdac_setup_channel_mapping(struct hdac_chmap *chmap,
Subhransu S. Prusty	2f6e8a8	2016-03-04 19:59:51 +0530	[diff] [blame]	70	hda_nid_t pin_nid, bool non_pcm, int ca,
				71	int channels, unsigned char *map,
				72	bool chmap_set);
Subhransu S. Prusty	bb63f72	2016-03-04 19:59:52 +0530	[diff] [blame]	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);
Subhransu S. Prusty	2f6e8a8	2016-03-04 19:59:51 +0530	[diff] [blame]	77	int snd_hdac_add_chmap_ctls(struct snd_pcm *pcm, int pcm_idx,
				78	struct hdac_chmap *chmap);
Subhransu S. Prusty	67b90cb	2016-03-04 19:59:46 +0530	[diff] [blame]	79	#endif /* __SOUND_HDA_CHMAP_H */