summaryrefslogtreecommitdiffstats
path: root/sound/soc/intel/sst_platform.h
blob: cacc9066ec524a5ad6747f650b77615899d776d6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/*
 *  sst_platform.h - Intel MID Platform driver header file
 *
 *  Copyright (C) 2010 Intel Corp
 *  Author: Vinod Koul <vinod.koul@intel.com>
 *  Author: Harsha Priya <priya.harsha@intel.com>
 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; version 2 of the License.
 *
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 *
 */

#ifndef __SST_PLATFORMDRV_H__
#define __SST_PLATFORMDRV_H__

#include "sst_dsp.h"

#define SST_MONO		1
#define SST_STEREO		2
#define SST_MAX_CAP		5

#define SST_MIN_RATE		8000
#define SST_MAX_RATE		48000
#define SST_MIN_CHANNEL		1
#define SST_MAX_CHANNEL		5
#define SST_MAX_BUFFER		(800*1024)
#define SST_MIN_BUFFER		(800*1024)
#define SST_MIN_PERIOD_BYTES	32
#define SST_MAX_PERIOD_BYTES	SST_MAX_BUFFER
#define SST_MIN_PERIODS		2
#define SST_MAX_PERIODS		(1024*2)
#define SST_FIFO_SIZE		0

struct pcm_stream_info {
	int str_id;
	void *mad_substream;
	void (*period_elapsed) (void *mad_substream);
	unsigned long long buffer_ptr;
	int sfreq;
};

enum sst_drv_status {
	SST_PLATFORM_INIT = 1,
	SST_PLATFORM_STARTED,
	SST_PLATFORM_RUNNING,
	SST_PLATFORM_PAUSED,
	SST_PLATFORM_DROPPED,
};

enum sst_controls {
	SST_SND_ALLOC =			0x00,
	SST_SND_PAUSE =			0x01,
	SST_SND_RESUME =		0x02,
	SST_SND_DROP =			0x03,
	SST_SND_FREE =			0x04,
	SST_SND_BUFFER_POINTER =	0x05,
	SST_SND_STREAM_INIT =		0x06,
	SST_SND_START	 =		0x07,
	SST_MAX_CONTROLS =		0x07,
};

enum sst_stream_ops {
	STREAM_OPS_PLAYBACK = 0,
	STREAM_OPS_CAPTURE,
};

enum sst_audio_device_type {
	SND_SST_DEVICE_HEADSET = 1,
	SND_SST_DEVICE_IHF,
	SND_SST_DEVICE_VIBRA,
	SND_SST_DEVICE_HAPTIC,
	SND_SST_DEVICE_CAPTURE,
	SND_SST_DEVICE_COMPRESS,
};

/* PCM Parameters */
struct sst_pcm_params {
	u16 codec;	/* codec type */
	u8 num_chan;	/* 1=Mono, 2=Stereo */
	u8 pcm_wd_sz;	/* 16/24 - bit*/
	u32 reserved;	/* Bitrate in bits per second */
	u32 sfreq;	/* Sampling rate in Hz */
	u32 ring_buffer_size;
	u32 period_count;	/* period elapsed in samples*/
	u32 ring_buffer_addr;
};

struct sst_stream_params {
	u32 result;
	u32 stream_id;
	u8 codec;
	u8 ops;
	u8 stream_type;
	u8 device_type;
	struct sst_pcm_params sparams;
};

struct sst_compress_cb {
	void *param;
	void (*compr_cb)(void *param);
};

struct compress_sst_ops {
	const char *name;
	int (*open) (struct snd_sst_params *str_params,
			struct sst_compress_cb *cb);
	int (*control) (unsigned int cmd, unsigned int str_id);
	int (*tstamp) (unsigned int str_id, struct snd_compr_tstamp *tstamp);
	int (*ack) (unsigned int str_id, unsigned long bytes);
	int (*close) (unsigned int str_id);
	int (*get_caps) (struct snd_compr_caps *caps);
	int (*get_codec_caps) (struct snd_compr_codec_caps *codec);
	int (*set_metadata) (unsigned int str_id,
			struct snd_compr_metadata *mdata);

};

struct sst_ops {
	int (*open) (struct sst_stream_params *str_param);
	int (*device_control) (int cmd, void *arg);
	int (*close) (unsigned int str_id);
};

struct sst_runtime_stream {
	int     stream_status;
	unsigned int id;
	size_t bytes_written;
	struct pcm_stream_info stream_info;
	struct sst_ops *ops;
	struct compress_sst_ops *compr_ops;
	spinlock_t	status_lock;
};

struct sst_device {
	char *name;
	struct device *dev;
	struct sst_ops *ops;
	struct compress_sst_ops *compr_ops;
};

int sst_register_dsp(struct sst_device *sst);
int sst_unregister_dsp(struct sst_device *sst);
#endif
OpenPOWER on IntegriCloud