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,
58 STREAM_OPS_PLAYBACK = 0,
62 enum sst_audio_device_type {
63 SND_SST_DEVICE_HEADSET = 1,
66 SND_SST_DEVICE_HAPTIC,
67 SND_SST_DEVICE_CAPTURE,
68 SND_SST_DEVICE_COMPRESS,
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 */
79 u32 period_count; /* period elapsed in samples*/
83 struct sst_stream_params {
90 struct sst_pcm_params sparams;
93 struct sst_compress_cb {
95 void (*compr_cb)(void *param);
97 void (*drain_notify)(void *param);
100 struct compress_sst_ops {
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);
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);
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);
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;
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);
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);
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 */
170 unsigned int value; /* Value received is stored here */
173 struct platform_device *pdev;
174 struct sst_platform_data *pdata;
175 struct snd_sst_bytes_v2 *byte_stream;
178 int sst_register_dsp(struct sst_device *sst);
179 int sst_unregister_dsp(struct sst_device *sst);