/* 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 */

/* when passed to set_fmt directly indicate if the device is provider or consumer */
#define SND_SOC_DAIFMT_BP_FP            SND_SOC_DAIFMT_CBP_CFP
#define SND_SOC_DAIFMT_BC_FP            SND_SOC_DAIFMT_CBC_CFP
#define SND_SOC_DAIFMT_BP_FC            SND_SOC_DAIFMT_CBP_CFC
#define SND_SOC_DAIFMT_BC_FC            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

#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_S20_LE |\
                               SNDRV_PCM_FMTBIT_S20_BE |\
                               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 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(const struct snd_soc_pcm_runtime *rtd);
u64 snd_soc_dai_get_fmt(const 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, const unsigned int *tx_slot,
        unsigned int rx_num, const unsigned int *rx_slot);

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

int snd_soc_dai_prepare(struct snd_soc_dai *dai,
                        struct snd_pcm_substream *substream);

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

int snd_soc_dai_get_channel_map(const 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(const 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);
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);
bool snd_soc_dai_stream_valid(const struct snd_soc_dai *dai, int stream);
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(const 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);
void snd_soc_pcm_dai_delay(struct snd_pcm_substream *substream,
                           snd_pcm_sframes_t *cpu_delay, snd_pcm_sframes_t *codec_delay);

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_tstamp64 *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);

const char *snd_soc_dai_name_get(const struct snd_soc_dai *dai);

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);
        /* 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, const unsigned int *tx_slot,
                unsigned int rx_num, const unsigned int *rx_slot);
        int (*get_channel_map)(const 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 *);

        /*
         * 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()
         */
        const 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;
        unsigned int mute_unmute_on_trigger: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 *stream,
                       struct snd_compr_tstamp64 *tstamp,
                       struct snd_soc_dai *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;
        const struct of_phandle_args *dai_args;

        /* 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;
};

/* for Playback/Capture */
struct snd_soc_dai_stream {
        struct snd_soc_dapm_widget *widget;

        unsigned int active;    /* usage count */
        unsigned int tdm_mask;  /* CODEC TDM slot masks and params (for fixup) */

        void *dma_data;         /* DAI DMA data */
};

/*
 * 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 */
        struct snd_soc_dai_stream stream[SNDRV_PCM_STREAM_LAST + 1];

        /* Symmetry data - only valid if symmetry is being enforced */
        unsigned int symmetric_rate;
        unsigned int symmetric_channels;
        unsigned int symmetric_sample_bits;

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

        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;

        /* DAI private data */
        void *priv;
};

static inline const 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;
}

#define snd_soc_dai_get_widget_playback(dai)    snd_soc_dai_get_widget(dai, SNDRV_PCM_STREAM_PLAYBACK)
#define snd_soc_dai_get_widget_capture(dai)     snd_soc_dai_get_widget(dai, SNDRV_PCM_STREAM_CAPTURE)
static inline
struct snd_soc_dapm_widget *snd_soc_dai_get_widget(struct snd_soc_dai *dai, int stream)
{
        return dai->stream[stream].widget;
}

#define snd_soc_dai_set_widget_playback(dai, widget)    snd_soc_dai_set_widget(dai, SNDRV_PCM_STREAM_PLAYBACK, widget)
#define snd_soc_dai_set_widget_capture(dai,  widget)    snd_soc_dai_set_widget(dai, SNDRV_PCM_STREAM_CAPTURE,  widget)
static inline
void snd_soc_dai_set_widget(struct snd_soc_dai *dai, int stream, struct snd_soc_dapm_widget *widget)
{
        dai->stream[stream].widget = widget;
}

#define snd_soc_dai_dma_data_get_playback(dai)  snd_soc_dai_dma_data_get(dai, SNDRV_PCM_STREAM_PLAYBACK)
#define snd_soc_dai_dma_data_get_capture(dai)   snd_soc_dai_dma_data_get(dai, SNDRV_PCM_STREAM_CAPTURE)
#define snd_soc_dai_get_dma_data(dai, ss)       snd_soc_dai_dma_data_get(dai, ss->stream)
static inline void *snd_soc_dai_dma_data_get(const struct snd_soc_dai *dai, int stream)
{
        return dai->stream[stream].dma_data;
}

#define snd_soc_dai_dma_data_set_playback(dai, data)    snd_soc_dai_dma_data_set(dai, SNDRV_PCM_STREAM_PLAYBACK, data)
#define snd_soc_dai_dma_data_set_capture(dai,  data)    snd_soc_dai_dma_data_set(dai, SNDRV_PCM_STREAM_CAPTURE,  data)
#define snd_soc_dai_set_dma_data(dai, ss, data)         snd_soc_dai_dma_data_set(dai, ss->stream, data)
static inline void snd_soc_dai_dma_data_set(struct snd_soc_dai *dai, int stream, void *data)
{
        dai->stream[stream].dma_data = data;
}

static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai *dai, void *playback, void *capture)
{
        snd_soc_dai_dma_data_set_playback(dai, playback);
        snd_soc_dai_dma_data_set_capture(dai,  capture);
}

static inline unsigned int snd_soc_dai_tdm_mask_get(const struct snd_soc_dai *dai,
                                                    int stream)
{
        return dai->stream[stream].tdm_mask;
}

static inline void snd_soc_dai_tdm_mask_set(struct snd_soc_dai *dai, int stream,
                                            unsigned int tdm_mask)
{
        dai->stream[stream].tdm_mask = tdm_mask;
}

static inline unsigned int snd_soc_dai_stream_active(const struct snd_soc_dai *dai,
                                                     int stream)
{
        /* see snd_soc_dai_action() for setup */
        return dai->stream[stream].active;
}

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);
}

#endif