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 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 185