FM / sound

/usr/src/linux-headers-5.15.0-181/include/sound/

/usr/src/linux-headers-5.15.0-181/include/sound

Name	Size	Mode	Actions
ac97/	-	0755	rm
sof/	-	0755	rm
ac97_codec.h	16044	0644	edit dl rm
aci.h	2458	0644	edit dl rm
ad1816a.h	4843	0644	edit dl rm
ad1843.h	1516	0644	edit dl rm
adau1373.h	706	0644	edit dl rm
ak4xxx-adda.h	2724	0644	edit dl rm
ak4113.h	10461	0644	edit dl rm
ak4114.h	9773	0644	edit dl rm
ak4117.h	8542	0644	edit dl rm
ak4531_codec.h	2478	0644	edit dl rm
ak4641.h	476	0644	edit dl rm
alc5623.h	536	0644	edit dl rm
asequencer.h	2975	0644	edit dl rm
asound.h	590	0644	edit dl rm
asoundef.h	16403	0644	edit dl rm
compress_driver.h	7986	0644	edit dl rm
control.h	9958	0644	edit dl rm
core.h	15895	0644	edit dl rm
cs35l33.h	888	0644	edit dl rm
cs35l34.h	741	0644	edit dl rm
cs35l35.h	2267	0644	edit dl rm
cs35l36.h	772	0644	edit dl rm
cs35l41.h	30889	0644	edit dl rm
cs42l42.h	35149	0644	edit dl rm
cs42l52.h	592	0644	edit dl rm
cs42l56.h	1046	0644	edit dl rm
cs42l73.h	361	0644	edit dl rm
cs4231-regs.h	7785	0644	edit dl rm
cs4271.h	961	0644	edit dl rm
cs8403.h	8138	0644	edit dl rm
cs8427.h	9954	0644	edit dl rm
da7213.h	1032	0644	edit dl rm
da7218.h	2468	0644	edit dl rm
da7219-aad.h	2263	0644	edit dl rm
da7219.h	998	0644	edit dl rm
da9055.h	707	0644	edit dl rm
designware_i2s.h	1631	0644	edit dl rm
dmaengine_pcm.h	6913	0644	edit dl rm
emu10k1.h	90722	0644	edit dl rm
emu10k1_synth.h	693	0644	edit dl rm
emu8000.h	3333	0644	edit dl rm
emu8000_reg.h	9767	0644	edit dl rm
emux_legacy.h	4811	0644	edit dl rm
emux_synth.h	6948	0644	edit dl rm
es1688.h	2923	0644	edit dl rm
graph_card.h	271	0644	edit dl rm
gus.h	20119	0644	edit dl rm
hdaudio.h	21538	0644	edit dl rm
hdaudio_ext.h	5680	0644	edit dl rm
hda_chmap.h	2660	0644	edit dl rm
hda_codec.h	17669	0644	edit dl rm
hda_component.h	2085	0644	edit dl rm
hda_hwdep.h	736	0644	edit dl rm
hda_i915.h	589	0644	edit dl rm
hda_register.h	10655	0644	edit dl rm
hda_regmap.h	6934	0644	edit dl rm
hda_verbs.h	17296	0644	edit dl rm
hdmi-codec.h	3011	0644	edit dl rm
hwdep.h	1925	0644	edit dl rm
i2c.h	2857	0644	edit dl rm
info.h	8053	0644	edit dl rm
initval.h	2484	0644	edit dl rm
intel-dsp-config.h	869	0644	edit dl rm
intel-nhlt.h	2851	0644	edit dl rm
jack.h	3172	0644	edit dl rm
l3.h	524	0644	edit dl rm
madera-pdata.h	1996	0644	edit dl rm
max9768.h	729	0644	edit dl rm
max98088.h	1074	0644	edit dl rm
max98090.h	534	0644	edit dl rm
max98095.h	1357	0644	edit dl rm
memalloc.h	2642	0644	edit dl rm
minors.h	3738	0644	edit dl rm
mixer_oss.h	1773	0644	edit dl rm
mpu401.h	3905	0644	edit dl rm
omap-hdmi-audio.h	971	0644	edit dl rm
opl3.h	11909	0644	edit dl rm
opl4.h	459	0644	edit dl rm
pcm-indirect.h	5159	0644	edit dl rm
pcm.h	53684	0644	edit dl rm
pcm_drm_eld.h	183	0644	edit dl rm
pcm_iec958.h	597	0644	edit dl rm
pcm_oss.h	2063	0644	edit dl rm
pcm_params.h	8864	0644	edit dl rm
pt2258.h	513	0644	edit dl rm
pxa2xx-lib.h	2190	0644	edit dl rm
rawmidi.h	5881	0644	edit dl rm
rt286.h	314	0644	edit dl rm
rt298.h	373	0644	edit dl rm
rt1015.h	283	0644	edit dl rm
rt5514.h	399	0644	edit dl rm
rt5659.h	880	0644	edit dl rm
rt5660.h	578	0644	edit dl rm
rt5663.h	476	0644	edit dl rm
rt5665.h	761	0644	edit dl rm
rt5668.h	646	0644	edit dl rm
rt5682.h	901	0644	edit dl rm
s3c24xx_uda134x.h	229	0644	edit dl rm
sb.h	10550	0644	edit dl rm
sb16_csp.h	2100	0644	edit dl rm
seq_device.h	2165	0644	edit dl rm
seq_kernel.h	3378	0644	edit dl rm
seq_midi_emul.h	6757	0644	edit dl rm
seq_midi_event.h	1356	0644	edit dl rm
seq_oss.h	2264	0644	edit dl rm
seq_oss_legacy.h	360	0644	edit dl rm
seq_virmidi.h	2123	0644	edit dl rm
sh_dac_audio.h	441	0644	edit dl rm
sh_fsi.h	693	0644	edit dl rm
simple_card.h	529	0644	edit dl rm
simple_card_utils.h	8351	0644	edit dl rm
snd_wavefront.h	5620	0644	edit dl rm
soc-acpi-intel-match.h	2074	0644	edit dl rm
soc-acpi.h	5637	0644	edit dl rm
soc-card.h	2944	0644	edit dl rm
soc-component.h	19387	0644	edit dl rm
soc-dai.h	19957	0644	edit dl rm
soc-dapm.h	32957	0644	edit dl rm
soc-dpcm.h	5523	0644	edit dl rm
soc-jack.h	3822	0644	edit dl rm
soc-link.h	1172	0644	edit dl rm
soc-topology.h	5835	0644	edit dl rm
soc.h	47899	0644	edit dl rm
sof.h	2596	0644	edit dl rm
soundfont.h	3903	0644	edit dl rm
spear_dma.h	350	0644	edit dl rm
spear_spdif.h	345	0644	edit dl rm
sta32x.h	1015	0644	edit dl rm
sta350.h	1474	0644	edit dl rm
tas2552-plat.h	283	0644	edit dl rm
tas5086.h	210	0644	edit dl rm
tea6330t.h	468	0644	edit dl rm
timer.h	5109	0644	edit dl rm
tlv.h	1627	0644	edit dl rm
tlv320aic3x.h	1777	0644	edit dl rm
tlv320aic32x4.h	1320	0644	edit dl rm
tlv320dac33-plat.h	574	0644	edit dl rm
tpa6130a2-plat.h	291	0644	edit dl rm
uda134x.h	451	0644	edit dl rm
uda1380.h	335	0644	edit dl rm
util_mem.h	1623	0644	edit dl rm
vx_core.h	15055	0644	edit dl rm
wavefront.h	18518	0644	edit dl rm
wm0010.h	466	0644	edit dl rm
wm1250-ev1.h	510	0644	edit dl rm
wm2000.h	479	0644	edit dl rm
wm2200.h	1353	0644	edit dl rm
wm5100.h	1129	0644	edit dl rm
wm8903.h	15377	0644	edit dl rm
wm8904.h	7389	0644	edit dl rm
wm8955.h	442	0644	edit dl rm
wm8960.h	888	0644	edit dl rm
wm8962.h	1694	0644	edit dl rm
wm8993.h	1076	0644	edit dl rm
wm8996.h	1289	0644	edit dl rm
wm9081.h	515	0644	edit dl rm
wm9090.h	634	0644	edit dl rm
wss.h	7949	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/include/sound/soc-dai.h (19957B)

/* SPDX-License-Identifier: GPL-2.0
 *
 * linux/sound/soc-dai.h -- ALSA SoC Layer
 *
 * Copyright:	2005-2008 Wolfson Microelectronics. PLC.
 *
 * Digital Audio Interface (DAI) API.
 */

#ifndef __LINUX_SND_SOC_DAI_H
#define __LINUX_SND_SOC_DAI_H

#include <linux/list.h>
#include <sound/asoc.h>

struct snd_pcm_substream;
struct snd_soc_dapm_widget;
struct snd_compr_stream;

/*
 * DAI hardware audio formats.
 *
 * Describes the physical PCM data formating and clocking. Add new formats
 * to the end.
 */
#define SND_SOC_DAIFMT_I2S		SND_SOC_DAI_FORMAT_I2S
#define SND_SOC_DAIFMT_RIGHT_J		SND_SOC_DAI_FORMAT_RIGHT_J
#define SND_SOC_DAIFMT_LEFT_J		SND_SOC_DAI_FORMAT_LEFT_J
#define SND_SOC_DAIFMT_DSP_A		SND_SOC_DAI_FORMAT_DSP_A
#define SND_SOC_DAIFMT_DSP_B		SND_SOC_DAI_FORMAT_DSP_B
#define SND_SOC_DAIFMT_AC97		SND_SOC_DAI_FORMAT_AC97
#define SND_SOC_DAIFMT_PDM		SND_SOC_DAI_FORMAT_PDM

/* left and right justified also known as MSB and LSB respectively */
#define SND_SOC_DAIFMT_MSB		SND_SOC_DAIFMT_LEFT_J
#define SND_SOC_DAIFMT_LSB		SND_SOC_DAIFMT_RIGHT_J

/* Describes the possible PCM format */
/*
 * use SND_SOC_DAI_FORMAT_xx as eash shift.
 * see
 *	snd_soc_runtime_get_dai_fmt()
 */
#define SND_SOC_POSSIBLE_DAIFMT_FORMAT_SHIFT	0
#define SND_SOC_POSSIBLE_DAIFMT_FORMAT_MASK	(0xFFFF << SND_SOC_POSSIBLE_DAIFMT_FORMAT_SHIFT)
#define SND_SOC_POSSIBLE_DAIFMT_I2S		(1 << SND_SOC_DAI_FORMAT_I2S)
#define SND_SOC_POSSIBLE_DAIFMT_RIGHT_J		(1 << SND_SOC_DAI_FORMAT_RIGHT_J)
#define SND_SOC_POSSIBLE_DAIFMT_LEFT_J		(1 << SND_SOC_DAI_FORMAT_LEFT_J)
#define SND_SOC_POSSIBLE_DAIFMT_DSP_A		(1 << SND_SOC_DAI_FORMAT_DSP_A)
#define SND_SOC_POSSIBLE_DAIFMT_DSP_B		(1 << SND_SOC_DAI_FORMAT_DSP_B)
#define SND_SOC_POSSIBLE_DAIFMT_AC97		(1 << SND_SOC_DAI_FORMAT_AC97)
#define SND_SOC_POSSIBLE_DAIFMT_PDM		(1 << SND_SOC_DAI_FORMAT_PDM)

/*
 * DAI Clock gating.
 *
 * DAI bit clocks can be gated (disabled) when the DAI is not
 * sending or receiving PCM data in a frame. This can be used to save power.
 */
#define SND_SOC_DAIFMT_CONT		(1 << 4) /* continuous clock */
#define SND_SOC_DAIFMT_GATED		(0 << 4) /* clock is gated */

/* Describes the possible PCM format */
/*
 * define GATED -> CONT. GATED will be selected if both are selected.
 * see
 *	snd_soc_runtime_get_dai_fmt()
 */
#define SND_SOC_POSSIBLE_DAIFMT_CLOCK_SHIFT	16
#define SND_SOC_POSSIBLE_DAIFMT_CLOCK_MASK	(0xFFFF	<< SND_SOC_POSSIBLE_DAIFMT_CLOCK_SHIFT)
#define SND_SOC_POSSIBLE_DAIFMT_GATED		(0x1ULL	<< SND_SOC_POSSIBLE_DAIFMT_CLOCK_SHIFT)
#define SND_SOC_POSSIBLE_DAIFMT_CONT		(0x2ULL	<< SND_SOC_POSSIBLE_DAIFMT_CLOCK_SHIFT)

/*
 * DAI hardware signal polarity.
 *
 * Specifies whether the DAI can also support inverted clocks for the specified
 * format.
 *
 * BCLK:
 * - "normal" polarity means signal is available at rising edge of BCLK
 * - "inverted" polarity means signal is available at falling edge of BCLK
 *
 * FSYNC "normal" polarity depends on the frame format:
 * - I2S: frame consists of left then right channel data. Left channel starts
 *      with falling FSYNC edge, right channel starts with rising FSYNC edge.
 * - Left/Right Justified: frame consists of left then right channel data.
 *      Left channel starts with rising FSYNC edge, right channel starts with
 *      falling FSYNC edge.
 * - DSP A/B: Frame starts with rising FSYNC edge.
 * - AC97: Frame starts with rising FSYNC edge.
 *
 * "Negative" FSYNC polarity is the one opposite of "normal" polarity.
 */
#define SND_SOC_DAIFMT_NB_NF		(0 << 8) /* normal bit clock + frame */
#define SND_SOC_DAIFMT_NB_IF		(2 << 8) /* normal BCLK + inv FRM */
#define SND_SOC_DAIFMT_IB_NF		(3 << 8) /* invert BCLK + nor FRM */
#define SND_SOC_DAIFMT_IB_IF		(4 << 8) /* invert BCLK + FRM */

/* Describes the possible PCM format */
#define SND_SOC_POSSIBLE_DAIFMT_INV_SHIFT	32
#define SND_SOC_POSSIBLE_DAIFMT_INV_MASK	(0xFFFFULL << SND_SOC_POSSIBLE_DAIFMT_INV_SHIFT)
#define SND_SOC_POSSIBLE_DAIFMT_NB_NF		(0x1ULL    << SND_SOC_POSSIBLE_DAIFMT_INV_SHIFT)
#define SND_SOC_POSSIBLE_DAIFMT_NB_IF		(0x2ULL    << SND_SOC_POSSIBLE_DAIFMT_INV_SHIFT)
#define SND_SOC_POSSIBLE_DAIFMT_IB_NF		(0x4ULL    << SND_SOC_POSSIBLE_DAIFMT_INV_SHIFT)
#define SND_SOC_POSSIBLE_DAIFMT_IB_IF		(0x8ULL    << SND_SOC_POSSIBLE_DAIFMT_INV_SHIFT)

/*
 * DAI hardware clock providers/consumers
 *
 * This is wrt the codec, the inverse is true for the interface
 * i.e. if the codec is clk and FRM provider then the interface is
 * clk and frame consumer.
 */
#define SND_SOC_DAIFMT_CBP_CFP		(1 << 12) /* codec clk provider & frame provider */
#define SND_SOC_DAIFMT_CBC_CFP		(2 << 12) /* codec clk consumer & frame provider */
#define SND_SOC_DAIFMT_CBP_CFC		(3 << 12) /* codec clk provider & frame consumer */
#define SND_SOC_DAIFMT_CBC_CFC		(4 << 12) /* codec clk consumer & frame consumer */

/* previous definitions kept for backwards-compatibility, do not use in new contributions */
#define SND_SOC_DAIFMT_CBM_CFM		SND_SOC_DAIFMT_CBP_CFP
#define SND_SOC_DAIFMT_CBS_CFM		SND_SOC_DAIFMT_CBC_CFP
#define SND_SOC_DAIFMT_CBM_CFS		SND_SOC_DAIFMT_CBP_CFC
#define SND_SOC_DAIFMT_CBS_CFS		SND_SOC_DAIFMT_CBC_CFC

/* Describes the possible PCM format */
#define SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT	48
#define SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_MASK	(0xFFFFULL << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)
#define SND_SOC_POSSIBLE_DAIFMT_CBP_CFP			(0x1ULL    << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)
#define SND_SOC_POSSIBLE_DAIFMT_CBC_CFP			(0x2ULL    << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)
#define SND_SOC_POSSIBLE_DAIFMT_CBP_CFC			(0x4ULL    << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)
#define SND_SOC_POSSIBLE_DAIFMT_CBC_CFC			(0x8ULL    << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)

#define SND_SOC_DAIFMT_FORMAT_MASK		0x000f
#define SND_SOC_DAIFMT_CLOCK_MASK		0x00f0
#define SND_SOC_DAIFMT_INV_MASK			0x0f00
#define SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK	0xf000

#define SND_SOC_DAIFMT_MASTER_MASK	SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK

/*
 * Master Clock Directions
 */
#define SND_SOC_CLOCK_IN		0
#define SND_SOC_CLOCK_OUT		1

struct snd_soc_dai_driver;
struct snd_soc_dai;
struct snd_ac97_bus_ops;

/* Digital Audio Interface clocking API.*/
int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
	unsigned int freq, int dir);

int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
	int div_id, int div);

int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
	int pll_id, int source, unsigned int freq_in, unsigned int freq_out);

int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio);

/* Digital Audio interface formatting */
int snd_soc_dai_get_fmt_max_priority(struct snd_soc_pcm_runtime *rtd);
u64 snd_soc_dai_get_fmt(struct snd_soc_dai *dai, int priority);
int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt);

int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
	unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width);

int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai,
	unsigned int tx_num, unsigned int *tx_slot,
	unsigned int rx_num, unsigned int *rx_slot);

int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate);

/* Digital Audio Interface mute */
int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,
			     int direction);

int snd_soc_dai_get_channel_map(struct snd_soc_dai *dai,
		unsigned int *tx_num, unsigned int *tx_slot,
		unsigned int *rx_num, unsigned int *rx_slot);

int snd_soc_dai_is_dummy(struct snd_soc_dai *dai);

int snd_soc_dai_hw_params(struct snd_soc_dai *dai,
			  struct snd_pcm_substream *substream,
			  struct snd_pcm_hw_params *params);
void snd_soc_dai_hw_free(struct snd_soc_dai *dai,
			 struct snd_pcm_substream *substream,
			 int rollback);
int snd_soc_dai_startup(struct snd_soc_dai *dai,
			struct snd_pcm_substream *substream);
void snd_soc_dai_shutdown(struct snd_soc_dai *dai,
			  struct snd_pcm_substream *substream, int rollback);
snd_pcm_sframes_t snd_soc_dai_delay(struct snd_soc_dai *dai,
				    struct snd_pcm_substream *substream);
void snd_soc_dai_suspend(struct snd_soc_dai *dai);
void snd_soc_dai_resume(struct snd_soc_dai *dai);
int snd_soc_dai_compress_new(struct snd_soc_dai *dai,
			     struct snd_soc_pcm_runtime *rtd, int num);
bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int stream);
void snd_soc_dai_link_set_capabilities(struct snd_soc_dai_link *dai_link);
void snd_soc_dai_action(struct snd_soc_dai *dai,
			int stream, int action);
static inline void snd_soc_dai_activate(struct snd_soc_dai *dai,
					int stream)
{
	snd_soc_dai_action(dai, stream,  1);
}
static inline void snd_soc_dai_deactivate(struct snd_soc_dai *dai,
					  int stream)
{
	snd_soc_dai_action(dai, stream, -1);
}
int snd_soc_dai_active(struct snd_soc_dai *dai);

int snd_soc_pcm_dai_probe(struct snd_soc_pcm_runtime *rtd, int order);
int snd_soc_pcm_dai_remove(struct snd_soc_pcm_runtime *rtd, int order);
int snd_soc_pcm_dai_new(struct snd_soc_pcm_runtime *rtd);
int snd_soc_pcm_dai_prepare(struct snd_pcm_substream *substream);
int snd_soc_pcm_dai_trigger(struct snd_pcm_substream *substream, int cmd,
			    int rollback);
int snd_soc_pcm_dai_bespoke_trigger(struct snd_pcm_substream *substream,
				    int cmd);

int snd_soc_dai_compr_startup(struct snd_soc_dai *dai,
			      struct snd_compr_stream *cstream);
void snd_soc_dai_compr_shutdown(struct snd_soc_dai *dai,
				struct snd_compr_stream *cstream,
				int rollback);
int snd_soc_dai_compr_trigger(struct snd_soc_dai *dai,
			      struct snd_compr_stream *cstream, int cmd);
int snd_soc_dai_compr_set_params(struct snd_soc_dai *dai,
				 struct snd_compr_stream *cstream,
				 struct snd_compr_params *params);
int snd_soc_dai_compr_get_params(struct snd_soc_dai *dai,
				 struct snd_compr_stream *cstream,
				 struct snd_codec *params);
int snd_soc_dai_compr_ack(struct snd_soc_dai *dai,
			  struct snd_compr_stream *cstream,
			  size_t bytes);
int snd_soc_dai_compr_pointer(struct snd_soc_dai *dai,
			      struct snd_compr_stream *cstream,
			      struct snd_compr_tstamp *tstamp);
int snd_soc_dai_compr_set_metadata(struct snd_soc_dai *dai,
				   struct snd_compr_stream *cstream,
				   struct snd_compr_metadata *metadata);
int snd_soc_dai_compr_get_metadata(struct snd_soc_dai *dai,
				   struct snd_compr_stream *cstream,
				   struct snd_compr_metadata *metadata);

struct snd_soc_dai_ops {
	/* DAI driver callbacks */
	int (*probe)(struct snd_soc_dai *dai);
	int (*remove)(struct snd_soc_dai *dai);
	/* compress dai */
	int (*compress_new)(struct snd_soc_pcm_runtime *rtd, int num);
	/* Optional Callback used at pcm creation*/
	int (*pcm_new)(struct snd_soc_pcm_runtime *rtd,
		       struct snd_soc_dai *dai);

/*
	 * DAI clocking configuration, all optional.
	 * Called by soc_card drivers, normally in their hw_params.
	 */
	int (*set_sysclk)(struct snd_soc_dai *dai,
		int clk_id, unsigned int freq, int dir);
	int (*set_pll)(struct snd_soc_dai *dai, int pll_id, int source,
		unsigned int freq_in, unsigned int freq_out);
	int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div);
	int (*set_bclk_ratio)(struct snd_soc_dai *dai, unsigned int ratio);

/*
	 * DAI format configuration
	 * Called by soc_card drivers, normally in their hw_params.
	 */
	int (*set_fmt)(struct snd_soc_dai *dai, unsigned int fmt);
	int (*xlate_tdm_slot_mask)(unsigned int slots,
		unsigned int *tx_mask, unsigned int *rx_mask);
	int (*set_tdm_slot)(struct snd_soc_dai *dai,
		unsigned int tx_mask, unsigned int rx_mask,
		int slots, int slot_width);
	int (*set_channel_map)(struct snd_soc_dai *dai,
		unsigned int tx_num, unsigned int *tx_slot,
		unsigned int rx_num, unsigned int *rx_slot);
	int (*get_channel_map)(struct snd_soc_dai *dai,
			unsigned int *tx_num, unsigned int *tx_slot,
			unsigned int *rx_num, unsigned int *rx_slot);
	int (*set_tristate)(struct snd_soc_dai *dai, int tristate);

int (*set_stream)(struct snd_soc_dai *dai,
			  void *stream, int direction);
	void *(*get_stream)(struct snd_soc_dai *dai, int direction);

/*
	 * DAI digital mute - optional.
	 * Called by soc-core to minimise any pops.
	 */
	int (*mute_stream)(struct snd_soc_dai *dai, int mute, int stream);

/*
	 * ALSA PCM audio operations - all optional.
	 * Called by soc-core during audio PCM operations.
	 */
	int (*startup)(struct snd_pcm_substream *,
		struct snd_soc_dai *);
	void (*shutdown)(struct snd_pcm_substream *,
		struct snd_soc_dai *);
	int (*hw_params)(struct snd_pcm_substream *,
		struct snd_pcm_hw_params *, struct snd_soc_dai *);
	int (*hw_free)(struct snd_pcm_substream *,
		struct snd_soc_dai *);
	int (*prepare)(struct snd_pcm_substream *,
		struct snd_soc_dai *);
	/*
	 * NOTE: Commands passed to the trigger function are not necessarily
	 * compatible with the current state of the dai. For example this
	 * sequence of commands is possible: START STOP STOP.
	 * So do not unconditionally use refcounting functions in the trigger
	 * function, e.g. clk_enable/disable.
	 */
	int (*trigger)(struct snd_pcm_substream *, int,
		struct snd_soc_dai *);
	int (*bespoke_trigger)(struct snd_pcm_substream *, int,
		struct snd_soc_dai *);
	/*
	 * For hardware based FIFO caused delay reporting.
	 * Optional.
	 */
	snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
		struct snd_soc_dai *);

/*
	 * Format list for auto selection.
	 * Format will be increased if priority format was
	 * not selected.
	 * see
	 *	snd_soc_dai_get_fmt()
	 */
	u64 *auto_selectable_formats;
	int num_auto_selectable_formats;

/* probe ordering - for components with runtime dependencies */
	int probe_order;
	int remove_order;

/* bit field */
	unsigned int no_capture_mute:1;
};

struct snd_soc_cdai_ops {
	/*
	 * for compress ops
	 */
	int (*startup)(struct snd_compr_stream *,
			struct snd_soc_dai *);
	int (*shutdown)(struct snd_compr_stream *,
			struct snd_soc_dai *);
	int (*set_params)(struct snd_compr_stream *,
			struct snd_compr_params *, struct snd_soc_dai *);
	int (*get_params)(struct snd_compr_stream *,
			struct snd_codec *, struct snd_soc_dai *);
	int (*set_metadata)(struct snd_compr_stream *,
			struct snd_compr_metadata *, struct snd_soc_dai *);
	int (*get_metadata)(struct snd_compr_stream *,
			struct snd_compr_metadata *, struct snd_soc_dai *);
	int (*trigger)(struct snd_compr_stream *, int,
			struct snd_soc_dai *);
	int (*pointer)(struct snd_compr_stream *,
			struct snd_compr_tstamp *, struct snd_soc_dai *);
	int (*ack)(struct snd_compr_stream *, size_t,
			struct snd_soc_dai *);
};

/*
 * Digital Audio Interface Driver.
 *
 * Describes the Digital Audio Interface in terms of its ALSA, DAI and AC97
 * operations and capabilities. Codec and platform drivers will register this
 * structure for every DAI they have.
 *
 * This structure covers the clocking, formating and ALSA operations for each
 * interface.
 */
struct snd_soc_dai_driver {
	/* DAI description */
	const char *name;
	unsigned int id;
	unsigned int base;
	struct snd_soc_dobj dobj;

/* DAI driver callbacks */
	int (*probe)(struct snd_soc_dai *dai);
	int (*remove)(struct snd_soc_dai *dai);
	/* compress dai */
	int (*compress_new)(struct snd_soc_pcm_runtime *rtd, int num);
	/* Optional Callback used at pcm creation*/
	int (*pcm_new)(struct snd_soc_pcm_runtime *rtd,
		       struct snd_soc_dai *dai);

/* ops */
	const struct snd_soc_dai_ops *ops;
	const struct snd_soc_cdai_ops *cops;

/* DAI capabilities */
	struct snd_soc_pcm_stream capture;
	struct snd_soc_pcm_stream playback;
	unsigned int symmetric_rate:1;
	unsigned int symmetric_channels:1;
	unsigned int symmetric_sample_bits:1;

/* probe ordering - for components with runtime dependencies */
	int probe_order;
	int remove_order;
};

/*
 * Digital Audio Interface runtime data.
 *
 * Holds runtime data for a DAI.
 */
struct snd_soc_dai {
	const char *name;
	int id;
	struct device *dev;

/* driver ops */
	struct snd_soc_dai_driver *driver;

/* DAI runtime info */
	unsigned int stream_active[SNDRV_PCM_STREAM_LAST + 1]; /* usage count */

struct snd_soc_dapm_widget *playback_widget;
	struct snd_soc_dapm_widget *capture_widget;

/* DAI DMA data */
	void *playback_dma_data;
	void *capture_dma_data;

/* Symmetry data - only valid if symmetry is being enforced */
	unsigned int rate;
	unsigned int channels;
	unsigned int sample_bits;

/* parent platform/codec */
	struct snd_soc_component *component;

/* CODEC TDM slot masks and params (for fixup) */
	unsigned int tx_mask;
	unsigned int rx_mask;

struct list_head list;

/* function mark */
	struct snd_pcm_substream *mark_startup;
	struct snd_pcm_substream *mark_hw_params;
	struct snd_pcm_substream *mark_trigger;
	struct snd_compr_stream  *mark_compr_startup;

/* bit field */
	unsigned int probed:1;
};

static inline struct snd_soc_pcm_stream *
snd_soc_dai_get_pcm_stream(const struct snd_soc_dai *dai, int stream)
{
	return (stream == SNDRV_PCM_STREAM_PLAYBACK) ?
		&dai->driver->playback : &dai->driver->capture;
}

static inline
struct snd_soc_dapm_widget *snd_soc_dai_get_widget(
	struct snd_soc_dai *dai, int stream)
{
	return (stream == SNDRV_PCM_STREAM_PLAYBACK) ?
		dai->playback_widget : dai->capture_widget;
}

static inline void *snd_soc_dai_get_dma_data(const struct snd_soc_dai *dai,
					     const struct snd_pcm_substream *ss)
{
	return (ss->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
		dai->playback_dma_data : dai->capture_dma_data;
}

static inline void snd_soc_dai_set_dma_data(struct snd_soc_dai *dai,
					    const struct snd_pcm_substream *ss,
					    void *data)
{
	if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)
		dai->playback_dma_data = data;
	else
		dai->capture_dma_data = data;
}

static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai *dai,
					     void *playback, void *capture)
{
	dai->playback_dma_data = playback;
	dai->capture_dma_data = capture;
}

static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai *dai,
		void *data)
{
	dev_set_drvdata(dai->dev, data);
}

static inline void *snd_soc_dai_get_drvdata(struct snd_soc_dai *dai)
{
	return dev_get_drvdata(dai->dev);
}

/**
 * snd_soc_dai_set_stream() - Configures a DAI for stream operation
 * @dai: DAI
 * @stream: STREAM (opaque structure depending on DAI type)
 * @direction: Stream direction(Playback/Capture)
 * Some subsystems, such as SoundWire, don't have a notion of direction and we reuse
 * the ASoC stream direction to configure sink/source ports.
 * Playback maps to source ports and Capture for sink ports.
 *
 * This should be invoked with NULL to clear the stream set previously.
 * Returns 0 on success, a negative error code otherwise.
 */
static inline int snd_soc_dai_set_stream(struct snd_soc_dai *dai,
					 void *stream, int direction)
{
	if (dai->driver->ops->set_stream)
		return dai->driver->ops->set_stream(dai, stream, direction);
	else
		return -ENOTSUPP;
}

/**
 * snd_soc_dai_get_stream() - Retrieves stream from DAI
 * @dai: DAI
 * @direction: Stream direction(Playback/Capture)
 *
 * This routine only retrieves that was previously configured
 * with snd_soc_dai_get_stream()
 *
 * Returns pointer to stream or an ERR_PTR value, e.g.
 * ERR_PTR(-ENOTSUPP) if callback is not supported;
 */
static inline void *snd_soc_dai_get_stream(struct snd_soc_dai *dai,
					   int direction)
{
	if (dai->driver->ops->get_stream)
		return dai->driver->ops->get_stream(dai, direction);
	else
		return ERR_PTR(-ENOTSUPP);
}

static inline unsigned int
snd_soc_dai_stream_active(struct snd_soc_dai *dai, int stream)
{
	return dai->stream_active[stream];
}

#endif

cmd: