linux/sound/soc/intel/atom/sst-mfld-platform.h
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   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 *  sst_mfld_platform.h - Intel MID Platform driver header file
   4 *
   5 *  Copyright (C) 2010 Intel Corp
   6 *  Author: Vinod Koul <vinod.koul@intel.com>
   7 *  Author: Harsha Priya <priya.harsha@intel.com>
   8 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   9 *
  10 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  11 */
  12
  13#ifndef __SST_PLATFORMDRV_H__
  14#define __SST_PLATFORMDRV_H__
  15
  16#include "sst-mfld-dsp.h"
  17#include "sst-atom-controls.h"
  18
  19extern struct sst_device *sst;
  20extern const struct snd_compress_ops sst_platform_compress_ops;
  21
  22#define DRV_NAME "sst"
  23
  24#define SST_MONO                1
  25#define SST_STEREO              2
  26#define SST_MAX_CAP             5
  27
  28#define SST_MAX_BUFFER          (800*1024)
  29#define SST_MIN_BUFFER          (800*1024)
  30#define SST_MIN_PERIOD_BYTES    32
  31#define SST_MAX_PERIOD_BYTES    SST_MAX_BUFFER
  32#define SST_MIN_PERIODS         2
  33#define SST_MAX_PERIODS         (1024*2)
  34#define SST_FIFO_SIZE           0
  35
  36struct pcm_stream_info {
  37        int str_id;
  38        void *arg;
  39        void (*period_elapsed) (void *arg);
  40        unsigned long long buffer_ptr;
  41        unsigned long long pcm_delay;
  42        int sfreq;
  43};
  44
  45enum sst_drv_status {
  46        SST_PLATFORM_INIT = 1,
  47        SST_PLATFORM_STARTED,
  48        SST_PLATFORM_RUNNING,
  49        SST_PLATFORM_PAUSED,
  50        SST_PLATFORM_DROPPED,
  51};
  52
  53enum sst_stream_ops {
  54        STREAM_OPS_PLAYBACK = 0,
  55        STREAM_OPS_CAPTURE,
  56};
  57
  58enum sst_audio_device_type {
  59        SND_SST_DEVICE_HEADSET = 1,
  60        SND_SST_DEVICE_IHF,
  61        SND_SST_DEVICE_VIBRA,
  62        SND_SST_DEVICE_HAPTIC,
  63        SND_SST_DEVICE_CAPTURE,
  64        SND_SST_DEVICE_COMPRESS,
  65};
  66
  67/* PCM Parameters */
  68struct sst_pcm_params {
  69        u16 codec;      /* codec type */
  70        u8 num_chan;    /* 1=Mono, 2=Stereo */
  71        u8 pcm_wd_sz;   /* 16/24 - bit*/
  72        u32 reserved;   /* Bitrate in bits per second */
  73        u32 sfreq;      /* Sampling rate in Hz */
  74        u32 ring_buffer_size;
  75        u32 period_count;       /* period elapsed in samples*/
  76        u32 ring_buffer_addr;
  77};
  78
  79struct sst_stream_params {
  80        u32 result;
  81        u32 stream_id;
  82        u8 codec;
  83        u8 ops;
  84        u8 stream_type;
  85        u8 device_type;
  86        struct sst_pcm_params sparams;
  87};
  88
  89struct sst_compress_cb {
  90        void *param;
  91        void (*compr_cb)(void *param);
  92        void *drain_cb_param;
  93        void (*drain_notify)(void *param);
  94};
  95
  96struct compress_sst_ops {
  97        const char *name;
  98        int (*open)(struct device *dev,
  99                struct snd_sst_params *str_params, struct sst_compress_cb *cb);
 100        int (*stream_start)(struct device *dev, unsigned int str_id);
 101        int (*stream_drop)(struct device *dev, unsigned int str_id);
 102        int (*stream_drain)(struct device *dev, unsigned int str_id);
 103        int (*stream_partial_drain)(struct device *dev, unsigned int str_id);
 104        int (*stream_pause)(struct device *dev, unsigned int str_id);
 105        int (*stream_pause_release)(struct device *dev, unsigned int str_id);
 106
 107        int (*tstamp)(struct device *dev, unsigned int str_id,
 108                        struct snd_compr_tstamp *tstamp);
 109        int (*ack)(struct device *dev, unsigned int str_id,
 110                        unsigned long bytes);
 111        int (*close)(struct device *dev, unsigned int str_id);
 112        int (*get_caps)(struct snd_compr_caps *caps);
 113        int (*get_codec_caps)(struct snd_compr_codec_caps *codec);
 114        int (*set_metadata)(struct device *dev, unsigned int str_id,
 115                        struct snd_compr_metadata *mdata);
 116        int (*power)(struct device *dev, bool state);
 117};
 118
 119struct sst_ops {
 120        int (*open)(struct device *dev, struct snd_sst_params *str_param);
 121        int (*stream_init)(struct device *dev, struct pcm_stream_info *str_info);
 122        int (*stream_start)(struct device *dev, int str_id);
 123        int (*stream_drop)(struct device *dev, int str_id);
 124        int (*stream_pause)(struct device *dev, int str_id);
 125        int (*stream_pause_release)(struct device *dev, int str_id);
 126        int (*stream_read_tstamp)(struct device *dev, struct pcm_stream_info *str_info);
 127        int (*send_byte_stream)(struct device *dev, struct snd_sst_bytes_v2 *bytes);
 128        int (*close)(struct device *dev, unsigned int str_id);
 129        int (*power)(struct device *dev, bool state);
 130};
 131
 132struct sst_runtime_stream {
 133        int     stream_status;
 134        unsigned int id;
 135        size_t bytes_written;
 136        struct pcm_stream_info stream_info;
 137        struct sst_ops *ops;
 138        struct compress_sst_ops *compr_ops;
 139        spinlock_t      status_lock;
 140};
 141
 142struct sst_device {
 143        char *name;
 144        struct device *dev;
 145        struct sst_ops *ops;
 146        struct platform_device *pdev;
 147        struct compress_sst_ops *compr_ops;
 148};
 149
 150struct sst_data;
 151
 152int sst_dsp_init_v2_dpcm(struct snd_soc_component *component);
 153int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute);
 154int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable);
 155int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable);
 156
 157void sst_set_stream_status(struct sst_runtime_stream *stream, int state);
 158int sst_fill_stream_params(void *substream, const struct sst_data *ctx,
 159                           struct snd_sst_params *str_params, bool is_compress);
 160
 161struct sst_algo_int_control_v2 {
 162        struct soc_mixer_control mc;
 163        u16 module_id; /* module identifieer */
 164        u16 pipe_id; /* location info: pipe_id + instance_id */
 165        u16 instance_id;
 166        unsigned int value; /* Value received is stored here */
 167};
 168struct sst_data {
 169        struct platform_device *pdev;
 170        struct sst_platform_data *pdata;
 171        struct snd_sst_bytes_v2 *byte_stream;
 172        struct mutex lock;
 173        struct snd_soc_card *soc_card;
 174        struct sst_cmd_sba_hw_set_ssp ssp_cmd;
 175};
 176int sst_register_dsp(struct sst_device *dev);
 177int sst_unregister_dsp(struct sst_device *dev);
 178#endif
 179