2 * sst_mfld_platform.h - Intel MID Platform driver header file
4 * Copyright (C) 2010 Intel Corp
5 * Author: Vinod Koul <vinod.koul@intel.com>
6 * Author: Harsha Priya <priya.harsha@intel.com>
7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.
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.
18 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
21 #ifndef __SST_PLATFORMDRV_H__
22 #define __SST_PLATFORMDRV_H__
24 #include "sst-mfld-dsp.h"
26 extern struct sst_device *sst;
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
40 struct pcm_stream_info {
43 void (*period_elapsed) (void *arg);
44 unsigned long long buffer_ptr;
45 unsigned long long pcm_delay;
50 SST_PLATFORM_INIT = 1,
60 SST_SND_RESUME = 0x02,
63 SST_SND_BUFFER_POINTER = 0x05,
64 SST_SND_STREAM_INIT = 0x06,
66 SST_SET_BYTE_STREAM = 0x100A,
67 SST_GET_BYTE_STREAM = 0x100B,
68 SST_MAX_CONTROLS = SST_GET_BYTE_STREAM,
72 STREAM_OPS_PLAYBACK = 0,
76 enum sst_audio_device_type {
77 SND_SST_DEVICE_HEADSET = 1,
80 SND_SST_DEVICE_HAPTIC,
81 SND_SST_DEVICE_CAPTURE,
82 SND_SST_DEVICE_COMPRESS,
86 struct sst_pcm_params {
87 u16 codec; /* codec type */
88 u8 num_chan; /* 1=Mono, 2=Stereo */
89 u8 pcm_wd_sz; /* 16/24 - bit*/
90 u32 reserved; /* Bitrate in bits per second */
91 u32 sfreq; /* Sampling rate in Hz */
93 u32 period_count; /* period elapsed in samples*/
97 struct sst_stream_params {
104 struct sst_pcm_params sparams;
107 struct sst_compress_cb {
109 void (*compr_cb)(void *param);
110 void *drain_cb_param;
111 void (*drain_notify)(void *param);
114 struct compress_sst_ops {
116 int (*open) (struct snd_sst_params *str_params,
117 struct sst_compress_cb *cb);
118 int (*control) (unsigned int cmd, unsigned int str_id);
119 int (*tstamp) (unsigned int str_id, struct snd_compr_tstamp *tstamp);
120 int (*ack) (unsigned int str_id, unsigned long bytes);
121 int (*close) (unsigned int str_id);
122 int (*get_caps) (struct snd_compr_caps *caps);
123 int (*get_codec_caps) (struct snd_compr_codec_caps *codec);
124 int (*set_metadata) (unsigned int str_id,
125 struct snd_compr_metadata *mdata);
130 int (*open) (struct snd_sst_params *str_param);
131 int (*device_control) (int cmd, void *arg);
132 int (*set_generic_params)(enum sst_controls cmd, void *arg);
133 int (*close) (unsigned int str_id);
136 struct sst_runtime_stream {
139 size_t bytes_written;
140 struct pcm_stream_info stream_info;
142 struct compress_sst_ops *compr_ops;
143 spinlock_t status_lock;
150 struct platform_device *pdev;
151 struct compress_sst_ops *compr_ops;
155 void sst_set_stream_status(struct sst_runtime_stream *stream, int state);
156 int sst_fill_stream_params(void *substream, const struct sst_data *ctx,
157 struct snd_sst_params *str_params, bool is_compress);
159 struct sst_algo_int_control_v2 {
160 struct soc_mixer_control mc;
161 u16 module_id; /* module identifieer */
162 u16 pipe_id; /* location info: pipe_id + instance_id */
164 unsigned int value; /* Value received is stored here */
167 struct platform_device *pdev;
168 struct sst_platform_data *pdata;
171 int sst_register_dsp(struct sst_device *sst);
172 int sst_unregister_dsp(struct sst_device *sst);