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_stream_ops { 58 STREAM_OPS_PLAYBACK = 0, 59 STREAM_OPS_CAPTURE, 60 }; 61 62 enum sst_audio_device_type { 63 SND_SST_DEVICE_HEADSET = 1, 64 SND_SST_DEVICE_IHF, 65 SND_SST_DEVICE_VIBRA, 66 SND_SST_DEVICE_HAPTIC, 67 SND_SST_DEVICE_CAPTURE, 68 SND_SST_DEVICE_COMPRESS, 69 }; 70 71 /* PCM Parameters */ 72 struct sst_pcm_params { 73 u16 codec; /* codec type */ 74 u8 num_chan; /* 1=Mono, 2=Stereo */ 75 u8 pcm_wd_sz; /* 16/24 - bit*/ 76 u32 reserved; /* Bitrate in bits per second */ 77 u32 sfreq; /* Sampling rate in Hz */ 78 u32 ring_buffer_size; 79 u32 period_count; /* period elapsed in samples*/ 80 u32 ring_buffer_addr; 81 }; 82 83 struct sst_stream_params { 84 u32 result; 85 u32 stream_id; 86 u8 codec; 87 u8 ops; 88 u8 stream_type; 89 u8 device_type; 90 struct sst_pcm_params sparams; 91 }; 92 93 struct sst_compress_cb { 94 void *param; 95 void (*compr_cb)(void *param); 96 void *drain_cb_param; 97 void (*drain_notify)(void *param); 98 }; 99 100 struct compress_sst_ops { 101 const char *name; 102 int (*open)(struct device *dev, 103 struct snd_sst_params *str_params, struct sst_compress_cb *cb); 104 int (*stream_start)(struct device *dev, unsigned int str_id); 105 int (*stream_drop)(struct device *dev, unsigned int str_id); 106 int (*stream_drain)(struct device *dev, unsigned int str_id); 107 int (*stream_partial_drain)(struct device *dev, unsigned int str_id); 108 int (*stream_pause)(struct device *dev, unsigned int str_id); 109 int (*stream_pause_release)(struct device *dev, unsigned int str_id); 110 111 int (*tstamp)(struct device *dev, unsigned int str_id, 112 struct snd_compr_tstamp *tstamp); 113 int (*ack)(struct device *dev, unsigned int str_id, 114 unsigned long bytes); 115 int (*close)(struct device *dev, unsigned int str_id); 116 int (*get_caps)(struct snd_compr_caps *caps); 117 int (*get_codec_caps)(struct snd_compr_codec_caps *codec); 118 int (*set_metadata)(struct device *dev, unsigned int str_id, 119 struct snd_compr_metadata *mdata); 120 int (*power)(struct device *dev, bool state); 121 }; 122 123 struct sst_ops { 124 int (*open)(struct device *dev, struct snd_sst_params *str_param); 125 int (*stream_init)(struct device *dev, struct pcm_stream_info *str_info); 126 int (*stream_start)(struct device *dev, int str_id); 127 int (*stream_drop)(struct device *dev, int str_id); 128 int (*stream_pause)(struct device *dev, int str_id); 129 int (*stream_pause_release)(struct device *dev, int str_id); 130 int (*stream_read_tstamp)(struct device *dev, struct pcm_stream_info *str_info); 131 int (*send_byte_stream)(struct device *dev, struct snd_sst_bytes_v2 *bytes); 132 int (*close)(struct device *dev, unsigned int str_id); 133 int (*power)(struct device *dev, bool state); 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; 155 156 int sst_dsp_init_v2_dpcm(struct snd_soc_platform *platform); 157 int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute); 158 int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable); 159 int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable); 160 161 void sst_set_stream_status(struct sst_runtime_stream *stream, int state); 162 int sst_fill_stream_params(void *substream, const struct sst_data *ctx, 163 struct snd_sst_params *str_params, bool is_compress); 164 165 struct sst_algo_int_control_v2 { 166 struct soc_mixer_control mc; 167 u16 module_id; /* module identifieer */ 168 u16 pipe_id; /* location info: pipe_id + instance_id */ 169 u16 instance_id; 170 unsigned int value; /* Value received is stored here */ 171 }; 172 struct sst_data { 173 struct platform_device *pdev; 174 struct sst_platform_data *pdata; 175 struct snd_sst_bytes_v2 *byte_stream; 176 struct mutex lock; 177 struct snd_soc_card *soc_card; 178 }; 179 int sst_register_dsp(struct sst_device *sst); 180 int sst_unregister_dsp(struct sst_device *sst); 181 #endif 182