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

   1 /*
   2  *  sst_mfld_platform.h - Intel MID Platform driver header file
   3  *
   4  *  Copyright (C) 2010 Intel Corp
   5  *  Author: Vinod Koul <vinod.koul@intel.com>
   6  *  Author: Harsha Priya <priya.harsha@intel.com>
   7  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; version 2 of the License.
  12  *
  13  *  This program is distributed in the hope that it will be useful, but
  14  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  *  General Public License for more details.
  17  *
  18  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  19  */
  20
  21 #ifndef __SST_PLATFORMDRV_H__
  22 #define __SST_PLATFORMDRV_H__
  23
  24 #include "sst-mfld-dsp.h"
  25
  26 extern struct sst_device *sst;
  27
  28 #define SST_MONO                1
  29 #define SST_STEREO              2
  30 #define SST_MAX_CAP             5
  31
  32 #define SST_MAX_BUFFER          (800*1024)
  33 #define SST_MIN_BUFFER          (800*1024)
  34 #define SST_MIN_PERIOD_BYTES    32
  35 #define SST_MAX_PERIOD_BYTES    SST_MAX_BUFFER
  36 #define SST_MIN_PERIODS         2
  37 #define SST_MAX_PERIODS         (1024*2)
  38 #define SST_FIFO_SIZE           0
  39
  40 struct pcm_stream_info {
  41         int str_id;
  42         void *arg;
  43         void (*period_elapsed) (void *arg);
  44         unsigned long long buffer_ptr;
  45         unsigned long long pcm_delay;
  46         int sfreq;
  47 };
  48
  49 enum sst_drv_status {
  50         SST_PLATFORM_INIT = 1,
  51         SST_PLATFORM_STARTED,
  52         SST_PLATFORM_RUNNING,
  53         SST_PLATFORM_PAUSED,
  54         SST_PLATFORM_DROPPED,
  55 };
  56
  57 enum sst_controls {
  58         SST_SND_ALLOC =                 0x00,
  59         SST_SND_PAUSE =                 0x01,
  60         SST_SND_RESUME =                0x02,
  61         SST_SND_DROP =                  0x03,
  62         SST_SND_FREE =                  0x04,
  63         SST_SND_BUFFER_POINTER =        0x05,
  64         SST_SND_STREAM_INIT =           0x06,
  65         SST_SND_START    =              0x07,
  66         SST_SET_BYTE_STREAM =           0x100A,
  67         SST_GET_BYTE_STREAM =           0x100B,
  68         SST_MAX_CONTROLS = SST_GET_BYTE_STREAM,
  69 };
  70
  71 enum sst_stream_ops {
  72         STREAM_OPS_PLAYBACK = 0,
  73         STREAM_OPS_CAPTURE,
  74 };
  75
  76 enum sst_audio_device_type {
  77         SND_SST_DEVICE_HEADSET = 1,
  78         SND_SST_DEVICE_IHF,
  79         SND_SST_DEVICE_VIBRA,
  80         SND_SST_DEVICE_HAPTIC,
  81         SND_SST_DEVICE_CAPTURE,
  82         SND_SST_DEVICE_COMPRESS,
  83 };
  84
  85 /* PCM Parameters */
  86 struct sst_pcm_params {
  87         u16 codec;      /* codec type */
  88         u8 num_chan;    /* 1=Mono, 2=Stereo */
  89         u8 pcm_wd_sz;   /* 16/24 - bit*/
  90         u32 reserved;   /* Bitrate in bits per second */
  91         u32 sfreq;      /* Sampling rate in Hz */
  92         u32 ring_buffer_size;
  93         u32 period_count;       /* period elapsed in samples*/
  94         u32 ring_buffer_addr;
  95 };
  96
  97 struct sst_stream_params {
  98         u32 result;
  99         u32 stream_id;
 100         u8 codec;
 101         u8 ops;
 102         u8 stream_type;
 103         u8 device_type;
 104         struct sst_pcm_params sparams;
 105 };
 106
 107 struct sst_compress_cb {
 108         void *param;
 109         void (*compr_cb)(void *param);
 110         void *drain_cb_param;
 111         void (*drain_notify)(void *param);
 112 };
 113
 114 struct compress_sst_ops {
 115         const char *name;
 116         int (*open) (struct snd_sst_params *str_params,
 117                         struct sst_compress_cb *cb);
 118         int (*control) (unsigned int cmd, unsigned int str_id);
 119         int (*tstamp) (unsigned int str_id, struct snd_compr_tstamp *tstamp);
 120         int (*ack) (unsigned int str_id, unsigned long bytes);
 121         int (*close) (unsigned int str_id);
 122         int (*get_caps) (struct snd_compr_caps *caps);
 123         int (*get_codec_caps) (struct snd_compr_codec_caps *codec);
 124         int (*set_metadata) (unsigned int str_id,
 125                         struct snd_compr_metadata *mdata);
 126
 127 };
 128
 129 struct sst_ops {
 130         int (*open) (struct snd_sst_params *str_param);
 131         int (*device_control) (int cmd, void *arg);
 132         int (*set_generic_params)(enum sst_controls cmd, void *arg);
 133         int (*close) (unsigned int str_id);
 134 };
 135
 136 struct sst_runtime_stream {
 137         int     stream_status;
 138         unsigned int id;
 139         size_t bytes_written;
 140         struct pcm_stream_info stream_info;
 141         struct sst_ops *ops;
 142         struct compress_sst_ops *compr_ops;
 143         spinlock_t      status_lock;
 144 };
 145
 146 struct sst_device {
 147         char *name;
 148         struct device *dev;
 149         struct sst_ops *ops;
 150         struct platform_device *pdev;
 151         struct compress_sst_ops *compr_ops;
 152 };
 153
 154 struct sst_data;
 155 void sst_set_stream_status(struct sst_runtime_stream *stream, int state);
 156 int sst_fill_stream_params(void *substream, const struct sst_data *ctx,
 157                            struct snd_sst_params *str_params, bool is_compress);
 158
 159 struct sst_algo_int_control_v2 {
 160         struct soc_mixer_control mc;
 161         u16 module_id; /* module identifieer */
 162         u16 pipe_id; /* location info: pipe_id + instance_id */
 163         u16 instance_id;
 164         unsigned int value; /* Value received is stored here */
 165 };
 166 struct sst_data {
 167         struct platform_device *pdev;
 168         struct sst_platform_data *pdata;
 169         struct mutex lock;
 170 };
 171 int sst_register_dsp(struct sst_device *sst);
 172 int sst_unregister_dsp(struct sst_device *sst);
 173 #endif