| 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 |