1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * sst_mfld_platform.h - Intel MID Platform driver header file 4 * 5 * Copyright (C) 2010 Intel Corp 6 * Author: Vinod Koul <vinod.koul@intel.com> 7 * Author: Harsha Priya <priya.harsha@intel.com> 8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 9 * 10 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 11 */ 12 13 #ifndef __SST_PLATFORMDRV_H__ 14 #define __SST_PLATFORMDRV_H__ 15 16 #include "sst-mfld-dsp.h" 17 #include "sst-atom-controls.h" 18 19 extern struct sst_device *sst; 20 extern const struct snd_compr_ops sst_platform_compr_ops; 21 22 #define DRV_NAME "sst" 23 24 #define SST_MONO 1 25 #define SST_STEREO 2 26 #define SST_MAX_CAP 5 27 28 #define SST_MAX_BUFFER (800*1024) 29 #define SST_MIN_BUFFER (800*1024) 30 #define SST_MIN_PERIOD_BYTES 32 31 #define SST_MAX_PERIOD_BYTES SST_MAX_BUFFER 32 #define SST_MIN_PERIODS 2 33 #define SST_MAX_PERIODS (1024*2) 34 #define SST_FIFO_SIZE 0 35 36 struct pcm_stream_info { 37 int str_id; 38 void *arg; 39 void (*period_elapsed) (void *arg); 40 unsigned long long buffer_ptr; 41 unsigned long long pcm_delay; 42 int sfreq; 43 }; 44 45 enum sst_drv_status { 46 SST_PLATFORM_INIT = 1, 47 SST_PLATFORM_STARTED, 48 SST_PLATFORM_RUNNING, 49 SST_PLATFORM_PAUSED, 50 SST_PLATFORM_DROPPED, 51 }; 52 53 enum sst_stream_ops { 54 STREAM_OPS_PLAYBACK = 0, 55 STREAM_OPS_CAPTURE, 56 }; 57 58 enum sst_audio_device_type { 59 SND_SST_DEVICE_HEADSET = 1, 60 SND_SST_DEVICE_IHF, 61 SND_SST_DEVICE_VIBRA, 62 SND_SST_DEVICE_HAPTIC, 63 SND_SST_DEVICE_CAPTURE, 64 SND_SST_DEVICE_COMPRESS, 65 }; 66 67 /* PCM Parameters */ 68 struct sst_pcm_params { 69 u16 codec; /* codec type */ 70 u8 num_chan; /* 1=Mono, 2=Stereo */ 71 u8 pcm_wd_sz; /* 16/24 - bit*/ 72 u32 reserved; /* Bitrate in bits per second */ 73 u32 sfreq; /* Sampling rate in Hz */ 74 u32 ring_buffer_size; 75 u32 period_count; /* period elapsed in samples*/ 76 u32 ring_buffer_addr; 77 }; 78 79 struct sst_stream_params { 80 u32 result; 81 u32 stream_id; 82 u8 codec; 83 u8 ops; 84 u8 stream_type; 85 u8 device_type; 86 struct sst_pcm_params sparams; 87 }; 88 89 struct sst_compress_cb { 90 void *param; 91 void (*compr_cb)(void *param); 92 void *drain_cb_param; 93 void (*drain_notify)(void *param); 94 }; 95 96 struct compress_sst_ops { 97 const char *name; 98 int (*open)(struct device *dev, 99 struct snd_sst_params *str_params, struct sst_compress_cb *cb); 100 int (*stream_start)(struct device *dev, unsigned int str_id); 101 int (*stream_drop)(struct device *dev, unsigned int str_id); 102 int (*stream_drain)(struct device *dev, unsigned int str_id); 103 int (*stream_partial_drain)(struct device *dev, unsigned int str_id); 104 int (*stream_pause)(struct device *dev, unsigned int str_id); 105 int (*stream_pause_release)(struct device *dev, unsigned int str_id); 106 107 int (*tstamp)(struct device *dev, unsigned int str_id, 108 struct snd_compr_tstamp *tstamp); 109 int (*ack)(struct device *dev, unsigned int str_id, 110 unsigned long bytes); 111 int (*close)(struct device *dev, unsigned int str_id); 112 int (*get_caps)(struct snd_compr_caps *caps); 113 int (*get_codec_caps)(struct snd_compr_codec_caps *codec); 114 int (*set_metadata)(struct device *dev, unsigned int str_id, 115 struct snd_compr_metadata *mdata); 116 int (*power)(struct device *dev, bool state); 117 }; 118 119 struct sst_ops { 120 int (*open)(struct device *dev, struct snd_sst_params *str_param); 121 int (*stream_init)(struct device *dev, struct pcm_stream_info *str_info); 122 int (*stream_start)(struct device *dev, int str_id); 123 int (*stream_drop)(struct device *dev, int str_id); 124 int (*stream_pause)(struct device *dev, int str_id); 125 int (*stream_pause_release)(struct device *dev, int str_id); 126 int (*stream_read_tstamp)(struct device *dev, struct pcm_stream_info *str_info); 127 int (*send_byte_stream)(struct device *dev, struct snd_sst_bytes_v2 *bytes); 128 int (*close)(struct device *dev, unsigned int str_id); 129 int (*power)(struct device *dev, bool state); 130 }; 131 132 struct sst_runtime_stream { 133 int stream_status; 134 unsigned int id; 135 size_t bytes_written; 136 struct pcm_stream_info stream_info; 137 struct sst_ops *ops; 138 struct compress_sst_ops *compr_ops; 139 spinlock_t status_lock; 140 }; 141 142 struct sst_device { 143 char *name; 144 struct device *dev; 145 struct sst_ops *ops; 146 struct platform_device *pdev; 147 struct compress_sst_ops *compr_ops; 148 }; 149 150 struct sst_data; 151 152 int sst_dsp_init_v2_dpcm(struct snd_soc_component *component); 153 int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute); 154 int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable); 155 int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable); 156 157 void sst_set_stream_status(struct sst_runtime_stream *stream, int state); 158 int sst_fill_stream_params(void *substream, const struct sst_data *ctx, 159 struct snd_sst_params *str_params, bool is_compress); 160 161 struct sst_algo_int_control_v2 { 162 struct soc_mixer_control mc; 163 u16 module_id; /* module identifieer */ 164 u16 pipe_id; /* location info: pipe_id + instance_id */ 165 u16 instance_id; 166 unsigned int value; /* Value received is stored here */ 167 }; 168 struct sst_data { 169 struct platform_device *pdev; 170 struct sst_platform_data *pdata; 171 struct snd_sst_bytes_v2 *byte_stream; 172 struct mutex lock; 173 struct snd_soc_card *soc_card; 174 struct sst_cmd_sba_hw_set_ssp ssp_cmd; 175 }; 176 int sst_register_dsp(struct sst_device *sst); 177 int sst_unregister_dsp(struct sst_device *sst); 178 #endif 179