[deliverable/linux.git] / include / sound / soc-dai.h

/*
 * linux/sound/soc-dai.h -- ALSA SoC Layer
 *
 * Copyright:	2005-2008 Wolfson Microelectronics. PLC.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Digital Audio Interface (DAI) API.
 */

#ifndef __LINUX_SND_SOC_DAI_H
#define __LINUX_SND_SOC_DAI_H


#include <linux/list.h>

struct snd_pcm_substream;
struct snd_soc_dapm_widget;

/*
 * DAI hardware audio formats.
 *
 * Describes the physical PCM data formating and clocking. Add new formats
 * to the end.
 */
#define SND_SOC_DAIFMT_I2S		1 /* I2S mode */
#define SND_SOC_DAIFMT_RIGHT_J		2 /* Right Justified mode */
#define SND_SOC_DAIFMT_LEFT_J		3 /* Left Justified mode */
#define SND_SOC_DAIFMT_DSP_A		4 /* L data MSB after FRM LRC */
#define SND_SOC_DAIFMT_DSP_B		5 /* L data MSB during FRM LRC */
#define SND_SOC_DAIFMT_AC97		6 /* AC97 */
#define SND_SOC_DAIFMT_PDM		7 /* Pulse density modulation */

/* 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

/*
 * DAI Clock gating.
 *
 * DAI bit clocks can be 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		(2 << 4) /* clock is gated */

/*
 * DAI hardware signal inversions.
 *
 * Specifies whether the DAI can also support inverted clocks for the specified
 * format.
 */
#define SND_SOC_DAIFMT_NB_NF		(1 << 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 */

/*
 * DAI hardware clock masters.
 *
 * This is wrt the codec, the inverse is true for the interface
 * i.e. if the codec is clk and FRM master then the interface is
 * clk and frame slave.
 */
#define SND_SOC_DAIFMT_CBM_CFM		(1 << 12) /* codec clk & FRM master */
#define SND_SOC_DAIFMT_CBS_CFM		(2 << 12) /* codec clk slave & FRM master */
#define SND_SOC_DAIFMT_CBM_CFS		(3 << 12) /* codec clk master & frame slave */
#define SND_SOC_DAIFMT_CBS_CFS		(4 << 12) /* codec clk & FRM slave */

#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_MASTER_MASK	0xf000

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

#define SND_SOC_STD_AC97_FMTS (SNDRV_PCM_FMTBIT_S8 |\
			       SNDRV_PCM_FMTBIT_S16_LE |\
			       SNDRV_PCM_FMTBIT_S16_BE |\
			       SNDRV_PCM_FMTBIT_S20_3LE |\
			       SNDRV_PCM_FMTBIT_S20_3BE |\
			       SNDRV_PCM_FMTBIT_S24_3LE |\
			       SNDRV_PCM_FMTBIT_S24_3BE |\
                               SNDRV_PCM_FMTBIT_S32_LE |\
                               SNDRV_PCM_FMTBIT_S32_BE)

struct snd_soc_dai_driver;
struct snd_soc_dai;
struct snd_ac97_bus_ops;

/* Digital Audio Interface registration */
int snd_soc_register_dai(struct device *dev,
		struct snd_soc_dai_driver *dai_drv);
void snd_soc_unregister_dai(struct device *dev);
int snd_soc_register_dais(struct device *dev,
		struct snd_soc_dai_driver *dai_drv, size_t count);
void snd_soc_unregister_dais(struct device *dev, size_t count);

/* 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);

/* Digital Audio interface formatting */
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);

struct snd_soc_dai_ops {
	/*
	 * 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);

	/*
	 * 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 (*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 (*set_tristate)(struct snd_soc_dai *dai, int tristate);

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

	/*
	 * 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 *);
	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 *);
};

/*
 * 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;
	int ac97_control;
	unsigned int base;

	/* DAI driver callbacks */
	int (*probe)(struct snd_soc_dai *dai);
	int (*remove)(struct snd_soc_dai *dai);
	int (*suspend)(struct snd_soc_dai *dai);
	int (*resume)(struct snd_soc_dai *dai);

	/* ops */
	const struct snd_soc_dai_ops *ops;

	/* DAI capabilities */
	struct snd_soc_pcm_stream capture;
	struct snd_soc_pcm_stream playback;
	unsigned int symmetric_rates: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;
	void *ac97_pdata;	/* platform_data for the ac97 codec */

	/* driver ops */
	struct snd_soc_dai_driver *driver;

	/* DAI runtime info */
	unsigned int capture_active:1;		/* stream is in use */
	unsigned int playback_active:1;		/* stream is in use */
	unsigned int symmetric_rates:1;
	struct snd_pcm_runtime *runtime;
	unsigned int active;
	unsigned char pop_wait:1;
	unsigned char probed:1;

	struct snd_soc_dapm_widget *playback_widget;
	struct snd_soc_dapm_widget *capture_widget;
	struct snd_soc_dapm_context dapm;

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

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

	/* parent platform/codec */
	struct snd_soc_platform *platform;
	struct snd_soc_codec *codec;

	struct snd_soc_card *card;

	struct list_head list;
	struct list_head card_list;
};

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_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);
}

#endif
Commit	Line	Data
a47cbe72 MB	1	/*
	2	* linux/sound/soc-dai.h -- ALSA SoC Layer
	3	*
	4	* Copyright: 2005-2008 Wolfson Microelectronics. PLC.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*
	10	* Digital Audio Interface (DAI) API.
	11	*/
	12
	13	#ifndef __LINUX_SND_SOC_DAI_H
	14	#define __LINUX_SND_SOC_DAI_H
	15
	16
	17	#include <linux/list.h>
	18
	19	struct snd_pcm_substream;
888df395	20	struct snd_soc_dapm_widget;
a47cbe72 MB	21
	22	/*
	23	* DAI hardware audio formats.
	24	*
	25	* Describes the physical PCM data formating and clocking. Add new formats
	26	* to the end.
	27	*/
75d9ac46 MB	28	#define SND_SOC_DAIFMT_I2S 1 /* I2S mode */
	29	#define SND_SOC_DAIFMT_RIGHT_J 2 /* Right Justified mode */
	30	#define SND_SOC_DAIFMT_LEFT_J 3 /* Left Justified mode */
	31	#define SND_SOC_DAIFMT_DSP_A 4 /* L data MSB after FRM LRC */
	32	#define SND_SOC_DAIFMT_DSP_B 5 /* L data MSB during FRM LRC */
	33	#define SND_SOC_DAIFMT_AC97 6 /* AC97 */
	34	#define SND_SOC_DAIFMT_PDM 7 /* Pulse density modulation */
a47cbe72 MB	35
	36	/* left and right justified also known as MSB and LSB respectively */
	37	#define SND_SOC_DAIFMT_MSB SND_SOC_DAIFMT_LEFT_J
	38	#define SND_SOC_DAIFMT_LSB SND_SOC_DAIFMT_RIGHT_J
	39
	40	/*
	41	* DAI Clock gating.
	42	*
47db8e89	43	* DAI bit clocks can be be gated (disabled) when the DAI is not
a47cbe72 MB	44	* sending or receiving PCM data in a frame. This can be used to save power.
a47cbe72 MB	45	*/
75d9ac46 MB	46	#define SND_SOC_DAIFMT_CONT (1 << 4) /* continuous clock */
75d9ac46 MB	47	#define SND_SOC_DAIFMT_GATED (2 << 4) /* clock is gated */
a47cbe72	48
a47cbe72 MB	49	/*
	50	* DAI hardware signal inversions.
	51	*
	52	* Specifies whether the DAI can also support inverted clocks for the specified
	53	* format.
	54	*/
75d9ac46 MB	55	#define SND_SOC_DAIFMT_NB_NF (1 << 8) /* normal bit clock + frame */
	56	#define SND_SOC_DAIFMT_NB_IF (2 << 8) /* normal BCLK + inv FRM */
	57	#define SND_SOC_DAIFMT_IB_NF (3 << 8) /* invert BCLK + nor FRM */
	58	#define SND_SOC_DAIFMT_IB_IF (4 << 8) /* invert BCLK + FRM */
a47cbe72 MB	59
	60	/*
	61	* DAI hardware clock masters.
	62	*
	63	* This is wrt the codec, the inverse is true for the interface
47db8e89	64	* i.e. if the codec is clk and FRM master then the interface is
a47cbe72 MB	65	* clk and frame slave.
a47cbe72 MB	66	*/
75d9ac46 MB	67	#define SND_SOC_DAIFMT_CBM_CFM (1 << 12) /* codec clk & FRM master */
	68	#define SND_SOC_DAIFMT_CBS_CFM (2 << 12) /* codec clk slave & FRM master */
	69	#define SND_SOC_DAIFMT_CBM_CFS (3 << 12) /* codec clk master & frame slave */
	70	#define SND_SOC_DAIFMT_CBS_CFS (4 << 12) /* codec clk & FRM slave */
a47cbe72 MB	71
	72	#define SND_SOC_DAIFMT_FORMAT_MASK 0x000f
	73	#define SND_SOC_DAIFMT_CLOCK_MASK 0x00f0
	74	#define SND_SOC_DAIFMT_INV_MASK 0x0f00
	75	#define SND_SOC_DAIFMT_MASTER_MASK 0xf000
	76
	77	/*
	78	* Master Clock Directions
	79	*/
	80	#define SND_SOC_CLOCK_IN 0
	81	#define SND_SOC_CLOCK_OUT 1
	82
8f738d58 MB	83	#define SND_SOC_STD_AC97_FMTS (SNDRV_PCM_FMTBIT_S8 \|\
	84	SNDRV_PCM_FMTBIT_S16_LE \|\
	85	SNDRV_PCM_FMTBIT_S16_BE \|\
	86	SNDRV_PCM_FMTBIT_S20_3LE \|\
	87	SNDRV_PCM_FMTBIT_S20_3BE \|\
	88	SNDRV_PCM_FMTBIT_S24_3LE \|\
	89	SNDRV_PCM_FMTBIT_S24_3BE \|\
d34c4307 JS	90	SNDRV_PCM_FMTBIT_S32_LE \|\
d34c4307 JS	91	SNDRV_PCM_FMTBIT_S32_BE)
33f503c9	92
f0fba2ad	93	struct snd_soc_dai_driver;
a47cbe72 MB	94	struct snd_soc_dai;
	95	struct snd_ac97_bus_ops;
	96
9115171a	97	/* Digital Audio Interface registration */
f0fba2ad LG	98	int snd_soc_register_dai(struct device *dev,
	99	struct snd_soc_dai_driver *dai_drv);
	100	void snd_soc_unregister_dai(struct device *dev);
	101	int snd_soc_register_dais(struct device *dev,
	102	struct snd_soc_dai_driver *dai_drv, size_t count);
	103	void snd_soc_unregister_dais(struct device *dev, size_t count);
9115171a	104
a47cbe72 MB	105	/* Digital Audio Interface clocking API.*/
	106	int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
	107	unsigned int freq, int dir);
	108
	109	int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
	110	int div_id, int div);
	111
	112	int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
85488037	113	int pll_id, int source, unsigned int freq_in, unsigned int freq_out);
a47cbe72 MB	114
	115	/* Digital Audio interface formatting */
	116	int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt);
	117
	118	int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
a5479e38	119	unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width);
a47cbe72	120
472df3cb BS	121	int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai,
	122	unsigned int tx_num, unsigned int *tx_slot,
	123	unsigned int rx_num, unsigned int *rx_slot);
	124
a47cbe72 MB	125	int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate);
	126
	127	/* Digital Audio Interface mute */
	128	int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute);
	129
a47cbe72 MB	130	struct snd_soc_dai_ops {
	131	/*
	132	* DAI clocking configuration, all optional.
	133	* Called by soc_card drivers, normally in their hw_params.
	134	*/
	135	int (set_sysclk)(struct snd_soc_dai dai,
	136	int clk_id, unsigned int freq, int dir);
85488037 MB	137	int (set_pll)(struct snd_soc_dai dai, int pll_id, int source,
85488037 MB	138	unsigned int freq_in, unsigned int freq_out);
a47cbe72 MB	139	int (set_clkdiv)(struct snd_soc_dai dai, int div_id, int div);
	140
	141	/*
	142	* DAI format configuration
	143	* Called by soc_card drivers, normally in their hw_params.
	144	*/
	145	int (set_fmt)(struct snd_soc_dai dai, unsigned int fmt);
	146	int (set_tdm_slot)(struct snd_soc_dai dai,
a5479e38 DR	147	unsigned int tx_mask, unsigned int rx_mask,
a5479e38 DR	148	int slots, int slot_width);
472df3cb BS	149	int (set_channel_map)(struct snd_soc_dai dai,
	150	unsigned int tx_num, unsigned int *tx_slot,
	151	unsigned int rx_num, unsigned int *rx_slot);
a47cbe72 MB	152	int (set_tristate)(struct snd_soc_dai dai, int tristate);
	153
	154	/*
	155	* DAI digital mute - optional.
	156	* Called by soc-core to minimise any pops.
	157	*/
	158	int (digital_mute)(struct snd_soc_dai dai, int mute);
dee89c4d MB	159
	160	/*
	161	* ALSA PCM audio operations - all optional.
	162	* Called by soc-core during audio PCM operations.
	163	*/
	164	int (startup)(struct snd_pcm_substream ,
	165	struct snd_soc_dai *);
	166	void (shutdown)(struct snd_pcm_substream ,
	167	struct snd_soc_dai *);
	168	int (hw_params)(struct snd_pcm_substream ,
	169	struct snd_pcm_hw_params , struct snd_soc_dai );
	170	int (hw_free)(struct snd_pcm_substream ,
	171	struct snd_soc_dai *);
	172	int (prepare)(struct snd_pcm_substream ,
	173	struct snd_soc_dai *);
	174	int (trigger)(struct snd_pcm_substream , int,
	175	struct snd_soc_dai *);
07bf84aa LG	176	int (bespoke_trigger)(struct snd_pcm_substream , int,
07bf84aa LG	177	struct snd_soc_dai *);
258020d0 PU	178	/*
	179	* For hardware based FIFO caused delay reporting.
	180	* Optional.
	181	*/
	182	snd_pcm_sframes_t (delay)(struct snd_pcm_substream ,
	183	struct snd_soc_dai *);
a47cbe72 MB	184	};
	185
	186	/*
f0fba2ad	187	* Digital Audio Interface Driver.
a47cbe72	188	*
f0fba2ad LG	189	* Describes the Digital Audio Interface in terms of its ALSA, DAI and AC97
	190	* operations and capabilities. Codec and platform drivers will register this
	191	* structure for every DAI they have.
	192	*
	193	* This structure covers the clocking, formating and ALSA operations for each
	194	* interface.
a47cbe72	195	*/
f0fba2ad	196	struct snd_soc_dai_driver {
a47cbe72	197	/* DAI description */
f0fba2ad	198	const char *name;
a47cbe72	199	unsigned int id;
3ba9e10a	200	int ac97_control;
62368294	201	unsigned int base;
a47cbe72	202
f0fba2ad LG	203	/* DAI driver callbacks */
	204	int (probe)(struct snd_soc_dai dai);
	205	int (remove)(struct snd_soc_dai dai);
dc7d7b83 MB	206	int (suspend)(struct snd_soc_dai dai);
dc7d7b83 MB	207	int (resume)(struct snd_soc_dai dai);
a47cbe72 MB	208
a47cbe72 MB	209	/* ops */
1ee46ebd	210	const struct snd_soc_dai_ops *ops;
a47cbe72 MB	211
	212	/* DAI capabilities */
	213	struct snd_soc_pcm_stream capture;
	214	struct snd_soc_pcm_stream playback;
06f409d7	215	unsigned int symmetric_rates:1;
0168bf0d LG	216
	217	/* probe ordering - for components with runtime dependencies */
	218	int probe_order;
	219	int remove_order;
f0fba2ad LG	220	};
	221
	222	/*
	223	* Digital Audio Interface runtime data.
	224	*
	225	* Holds runtime data for a DAI.
	226	*/
	227	struct snd_soc_dai {
	228	const char *name;
	229	int id;
	230	struct device *dev;
	231	void ac97_pdata; / platform_data for the ac97 codec */
	232
	233	/* driver ops */
	234	struct snd_soc_dai_driver *driver;
a47cbe72 MB	235
a47cbe72 MB	236	/* DAI runtime info */
f0fba2ad LG	237	unsigned int capture_active:1; /* stream is in use */
	238	unsigned int playback_active:1; /* stream is in use */
	239	unsigned int symmetric_rates:1;
	240	struct snd_pcm_runtime *runtime;
a47cbe72 MB	241	unsigned int active;
a47cbe72 MB	242	unsigned char pop_wait:1;
f0fba2ad	243	unsigned char probed:1;
a47cbe72	244
888df395 MB	245	struct snd_soc_dapm_widget *playback_widget;
888df395 MB	246	struct snd_soc_dapm_widget *capture_widget;
be09ad90	247	struct snd_soc_dapm_context dapm;
888df395	248
f0fba2ad LG	249	/* DAI DMA data */
	250	void *playback_dma_data;
	251	void *capture_dma_data;
a47cbe72	252
17841020 DA	253	/* Symmetry data - only valid if symmetry is being enforced */
	254	unsigned int rate;
	255
f0fba2ad	256	/* parent platform/codec */
2466ab97 MB	257	struct snd_soc_platform *platform;
	258	struct snd_soc_codec *codec;
	259
f0fba2ad	260	struct snd_soc_card *card;
a47cbe72 MB	261
a47cbe72 MB	262	struct list_head list;
f0fba2ad	263	struct list_head card_list;
a47cbe72 MB	264	};
a47cbe72 MB	265
fd23b7de DM	266	static inline void snd_soc_dai_get_dma_data(const struct snd_soc_dai dai,
	267	const struct snd_pcm_substream *ss)
	268	{
	269	return (ss->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
f0fba2ad	270	dai->playback_dma_data : dai->capture_dma_data;
fd23b7de DM	271	}
	272
	273	static inline void snd_soc_dai_set_dma_data(struct snd_soc_dai *dai,
	274	const struct snd_pcm_substream *ss,
	275	void *data)
	276	{
	277	if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)
f0fba2ad	278	dai->playback_dma_data = data;
fd23b7de	279	else
f0fba2ad LG	280	dai->capture_dma_data = data;
	281	}
	282
	283	static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai *dai,
	284	void *data)
	285	{
	286	dev_set_drvdata(dai->dev, data);
	287	}
	288
	289	static inline void snd_soc_dai_get_drvdata(struct snd_soc_dai dai)
	290	{
	291	return dev_get_drvdata(dai->dev);
fd23b7de DM	292	}
fd23b7de DM	293
a47cbe72	294	#endif