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 const struct snd_compr_ops sst_platform_compr_ops; 29 30 #define DRV_NAME "sst" 31 32 #define SST_MONO 1 33 #define SST_STEREO 2 34 #define SST_MAX_CAP 5 35 36 #define SST_MAX_BUFFER (800*1024) 37 #define SST_MIN_BUFFER (800*1024) 38 #define SST_MIN_PERIOD_BYTES 32 39 #define SST_MAX_PERIOD_BYTES SST_MAX_BUFFER 40 #define SST_MIN_PERIODS 2 41 #define SST_MAX_PERIODS (1024*2) 42 #define SST_FIFO_SIZE 0 43 44 struct pcm_stream_info { 45 int str_id; 46 void *arg; 47 void (*period_elapsed) (void *arg); 48 unsigned long long buffer_ptr; 49 unsigned long long pcm_delay; 50 int sfreq; 51 }; 52 53 enum sst_drv_status { 54 SST_PLATFORM_INIT = 1, 55 SST_PLATFORM_STARTED, 56 SST_PLATFORM_RUNNING, 57 SST_PLATFORM_PAUSED, 58 SST_PLATFORM_DROPPED, 59 }; 60 61 enum sst_stream_ops { 62 STREAM_OPS_PLAYBACK = 0, 63 STREAM_OPS_CAPTURE, 64 }; 65 66 enum sst_audio_device_type { 67 SND_SST_DEVICE_HEADSET = 1, 68 SND_SST_DEVICE_IHF, 69 SND_SST_DEVICE_VIBRA, 70 SND_SST_DEVICE_HAPTIC, 71 SND_SST_DEVICE_CAPTURE, 72 SND_SST_DEVICE_COMPRESS, 73 }; 74 75 /* PCM Parameters */ 76 struct sst_pcm_params { 77 u16 codec; /* codec type */ 78 u8 num_chan; /* 1=Mono, 2=Stereo */ 79 u8 pcm_wd_sz; /* 16/24 - bit*/ 80 u32 reserved; /* Bitrate in bits per second */ 81 u32 sfreq; /* Sampling rate in Hz */ 82 u32 ring_buffer_size; 83 u32 period_count; /* period elapsed in samples*/ 84 u32 ring_buffer_addr; 85 }; 86 87 struct sst_stream_params { 88 u32 result; 89 u32 stream_id; 90 u8 codec; 91 u8 ops; 92 u8 stream_type; 93 u8 device_type; 94 struct sst_pcm_params sparams; 95 }; 96 97 struct sst_compress_cb { 98 void *param; 99 void (*compr_cb)(void *param); 100 void *drain_cb_param; 101 void (*drain_notify)(void *param); 102 }; 103 104 struct compress_sst_ops { 105 const char *name; 106 int (*open)(struct device *dev, 107 struct snd_sst_params *str_params, struct sst_compress_cb *cb); 108 int (*stream_start)(struct device *dev, unsigned int str_id); 109 int (*stream_drop)(struct device *dev, unsigned int str_id); 110 int (*stream_drain)(struct device *dev, unsigned int str_id); 111 int (*stream_partial_drain)(struct device *dev, unsigned int str_id); 112 int (*stream_pause)(struct device *dev, unsigned int str_id); 113 int (*stream_pause_release)(struct device *dev, unsigned int str_id); 114 115 int (*tstamp)(struct device *dev, unsigned int str_id, 116 struct snd_compr_tstamp *tstamp); 117 int (*ack)(struct device *dev, unsigned int str_id, 118 unsigned long bytes); 119 int (*close)(struct device *dev, unsigned int str_id); 120 int (*get_caps)(struct snd_compr_caps *caps); 121 int (*get_codec_caps)(struct snd_compr_codec_caps *codec); 122 int (*set_metadata)(struct device *dev, unsigned int str_id, 123 struct snd_compr_metadata *mdata); 124 int (*power)(struct device *dev, bool state); 125 }; 126 127 struct sst_ops { 128 int (*open)(struct device *dev, struct snd_sst_params *str_param); 129 int (*stream_init)(struct device *dev, struct pcm_stream_info *str_info); 130 int (*stream_start)(struct device *dev, int str_id); 131 int (*stream_drop)(struct device *dev, int str_id); 132 int (*stream_pause)(struct device *dev, int str_id); 133 int (*stream_pause_release)(struct device *dev, int str_id); 134 int (*stream_read_tstamp)(struct device *dev, struct pcm_stream_info *str_info); 135 int (*send_byte_stream)(struct device *dev, struct snd_sst_bytes_v2 *bytes); 136 int (*close)(struct device *dev, unsigned int str_id); 137 int (*power)(struct device *dev, bool state); 138 }; 139 140 struct sst_runtime_stream { 141 int stream_status; 142 unsigned int id; 143 size_t bytes_written; 144 struct pcm_stream_info stream_info; 145 struct sst_ops *ops; 146 struct compress_sst_ops *compr_ops; 147 spinlock_t status_lock; 148 }; 149 150 struct sst_device { 151 char *name; 152 struct device *dev; 153 struct sst_ops *ops; 154 struct platform_device *pdev; 155 struct compress_sst_ops *compr_ops; 156 }; 157 158 struct sst_data; 159 160 int sst_dsp_init_v2_dpcm(struct snd_soc_component *component); 161 int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute); 162 int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable); 163 int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable); 164 165 void sst_set_stream_status(struct sst_runtime_stream *stream, int state); 166 int sst_fill_stream_params(void *substream, const struct sst_data *ctx, 167 struct snd_sst_params *str_params, bool is_compress); 168 169 struct sst_algo_int_control_v2 { 170 struct soc_mixer_control mc; 171 u16 module_id; /* module identifieer */ 172 u16 pipe_id; /* location info: pipe_id + instance_id */ 173 u16 instance_id; 174 unsigned int value; /* Value received is stored here */ 175 }; 176 struct sst_data { 177 struct platform_device *pdev; 178 struct sst_platform_data *pdata; 179 struct snd_sst_bytes_v2 *byte_stream; 180 struct mutex lock; 181 struct snd_soc_card *soc_card; 182 struct sst_cmd_sba_hw_set_ssp ssp_cmd; 183 }; 184 int sst_register_dsp(struct sst_device *sst); 185 int sst_unregister_dsp(struct sst_device *sst); 186 #endif 187