sound/soc/intel/atom/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 #include "sst-atom-controls.h"
  26
  27 extern struct sst_device *sst;
  28 extern struct snd_compr_ops sst_platform_compr_ops;
  29
  30 #define SST_MONO                1
  31 #define SST_STEREO              2
  32 #define SST_MAX_CAP             5
  33
  34 #define SST_MAX_BUFFER          (800*1024)
  35 #define SST_MIN_BUFFER          (800*1024)
  36 #define SST_MIN_PERIOD_BYTES    32
  37 #define SST_MAX_PERIOD_BYTES    SST_MAX_BUFFER
  38 #define SST_MIN_PERIODS         2
  39 #define SST_MAX_PERIODS         (1024*2)
  40 #define SST_FIFO_SIZE           0
  41
  42 struct pcm_stream_info {
  43         int str_id;
  44         void *arg;
  45         void (*period_elapsed) (void *arg);
  46         unsigned long long buffer_ptr;
  47         unsigned long long pcm_delay;
  48         int sfreq;
  49 };
  50
  51 enum sst_drv_status {
  52         SST_PLATFORM_INIT = 1,
  53         SST_PLATFORM_STARTED,
  54         SST_PLATFORM_RUNNING,
  55         SST_PLATFORM_PAUSED,
  56         SST_PLATFORM_DROPPED,
  57 };
  58
  59 enum sst_stream_ops {
  60         STREAM_OPS_PLAYBACK = 0,
  61         STREAM_OPS_CAPTURE,
  62 };
  63
  64 enum sst_audio_device_type {
  65         SND_SST_DEVICE_HEADSET = 1,
  66         SND_SST_DEVICE_IHF,
  67         SND_SST_DEVICE_VIBRA,
  68         SND_SST_DEVICE_HAPTIC,
  69         SND_SST_DEVICE_CAPTURE,
  70         SND_SST_DEVICE_COMPRESS,
  71 };
  72
  73 /* PCM Parameters */
  74 struct sst_pcm_params {
  75         u16 codec;      /* codec type */
  76         u8 num_chan;    /* 1=Mono, 2=Stereo */
  77         u8 pcm_wd_sz;   /* 16/24 - bit*/
  78         u32 reserved;   /* Bitrate in bits per second */
  79         u32 sfreq;      /* Sampling rate in Hz */
  80         u32 ring_buffer_size;
  81         u32 period_count;       /* period elapsed in samples*/
  82         u32 ring_buffer_addr;
  83 };
  84
  85 struct sst_stream_params {
  86         u32 result;
  87         u32 stream_id;
  88         u8 codec;
  89         u8 ops;
  90         u8 stream_type;
  91         u8 device_type;
  92         struct sst_pcm_params sparams;
  93 };
  94
  95 struct sst_compress_cb {
  96         void *param;
  97         void (*compr_cb)(void *param);
  98         void *drain_cb_param;
  99         void (*drain_notify)(void *param);
 100 };
 101
 102 struct compress_sst_ops {
 103         const char *name;
 104         int (*open)(struct device *dev,
 105                 struct snd_sst_params *str_params, struct sst_compress_cb *cb);
 106         int (*stream_start)(struct device *dev, unsigned int str_id);
 107         int (*stream_drop)(struct device *dev, unsigned int str_id);
 108         int (*stream_drain)(struct device *dev, unsigned int str_id);
 109         int (*stream_partial_drain)(struct device *dev, unsigned int str_id);
 110         int (*stream_pause)(struct device *dev, unsigned int str_id);
 111         int (*stream_pause_release)(struct device *dev, unsigned int str_id);
 112
 113         int (*tstamp)(struct device *dev, unsigned int str_id,
 114                         struct snd_compr_tstamp *tstamp);
 115         int (*ack)(struct device *dev, unsigned int str_id,
 116                         unsigned long bytes);
 117         int (*close)(struct device *dev, unsigned int str_id);
 118         int (*get_caps)(struct snd_compr_caps *caps);
 119         int (*get_codec_caps)(struct snd_compr_codec_caps *codec);
 120         int (*set_metadata)(struct device *dev, unsigned int str_id,
 121                         struct snd_compr_metadata *mdata);
 122         int (*power)(struct device *dev, bool state);
 123 };
 124
 125 struct sst_ops {
 126         int (*open)(struct device *dev, struct snd_sst_params *str_param);
 127         int (*stream_init)(struct device *dev, struct pcm_stream_info *str_info);
 128         int (*stream_start)(struct device *dev, int str_id);
 129         int (*stream_drop)(struct device *dev, int str_id);
 130         int (*stream_pause)(struct device *dev, int str_id);
 131         int (*stream_pause_release)(struct device *dev, int str_id);
 132         int (*stream_read_tstamp)(struct device *dev, struct pcm_stream_info *str_info);
 133         int (*send_byte_stream)(struct device *dev, struct snd_sst_bytes_v2 *bytes);
 134         int (*close)(struct device *dev, unsigned int str_id);
 135         int (*power)(struct device *dev, bool state);
 136 };
 137
 138 struct sst_runtime_stream {
 139         int     stream_status;
 140         unsigned int id;
 141         size_t bytes_written;
 142         struct pcm_stream_info stream_info;
 143         struct sst_ops *ops;
 144         struct compress_sst_ops *compr_ops;
 145         spinlock_t      status_lock;
 146 };
 147
 148 struct sst_device {
 149         char *name;
 150         struct device *dev;
 151         struct sst_ops *ops;
 152         struct platform_device *pdev;
 153         struct compress_sst_ops *compr_ops;
 154 };
 155
 156 struct sst_data;
 157
 158 int sst_dsp_init_v2_dpcm(struct snd_soc_platform *platform);
 159 int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute);
 160 int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable);
 161 int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable);
 162
 163 void sst_set_stream_status(struct sst_runtime_stream *stream, int state);
 164 int sst_fill_stream_params(void *substream, const struct sst_data *ctx,
 165                            struct snd_sst_params *str_params, bool is_compress);
 166
 167 struct sst_algo_int_control_v2 {
 168         struct soc_mixer_control mc;
 169         u16 module_id; /* module identifieer */
 170         u16 pipe_id; /* location info: pipe_id + instance_id */
 171         u16 instance_id;
 172         unsigned int value; /* Value received is stored here */
 173 };
 174 struct sst_data {
 175         struct platform_device *pdev;
 176         struct sst_platform_data *pdata;
 177         struct snd_sst_bytes_v2 *byte_stream;
 178         struct mutex lock;
 179         struct snd_soc_card *soc_card;
 180         struct sst_cmd_sba_hw_set_ssp ssp_cmd;
 181 };
 182 int sst_register_dsp(struct sst_device *sst);
 183 int sst_unregister_dsp(struct sst_device *sst);
 184 #endif