root/sound/soc/intel/atom/sst-mfld-platform.h

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INCLUDED FROM


   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 
  19 extern struct sst_device *sst;
  20 extern const struct snd_compr_ops sst_platform_compr_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 
  36 struct 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 
  45 enum 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 
  53 enum sst_stream_ops {
  54         STREAM_OPS_PLAYBACK = 0,
  55         STREAM_OPS_CAPTURE,
  56 };
  57 
  58 enum 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 */
  68 struct 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 
  79 struct 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 
  89 struct 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 
  96 struct 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 
 119 struct 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 
 132 struct 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 
 142 struct 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 
 150 struct sst_data;
 151 
 152 int sst_dsp_init_v2_dpcm(struct snd_soc_component *component);
 153 int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute);
 154 int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable);
 155 int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable);
 156 
 157 void sst_set_stream_status(struct sst_runtime_stream *stream, int state);
 158 int sst_fill_stream_params(void *substream, const struct sst_data *ctx,
 159                            struct snd_sst_params *str_params, bool is_compress);
 160 
 161 struct 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 };
 168 struct 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 };
 176 int sst_register_dsp(struct sst_device *sst);
 177 int sst_unregister_dsp(struct sst_device *sst);
 178 #endif

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