aboutsummaryrefslogtreecommitdiffstats
path: root/sound/soc/intel/atom/sst-mfld-platform.h
blob: fe4749cfa4f5ed538aa14d27f36256850b9d9b68 (plain) (blame)
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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  sst_mfld_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>
 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

#ifndef __SST_PLATFORMDRV_H__
#define __SST_PLATFORMDRV_H__

#include "sst-mfld-dsp.h"
#include "sst-atom-controls.h"

extern struct sst_device *sst;
extern const struct snd_compr_ops sst_platform_compr_ops;

#define DRV_NAME "sst"

#define SST_MONO		1
#define SST_STEREO		2
#define SST_MAX_CAP		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 *arg;
	void (*period_elapsed) (void *arg);
	unsigned long long buffer_ptr;
	unsigned long long pcm_delay;
	int sfreq;
};

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

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);
	void *drain_cb_param;
	void (*drain_notify)(void *param);
};

struct compress_sst_ops {
	const char *name;
	int (*open)(struct device *dev,
		struct snd_sst_params *str_params, struct sst_compress_cb *cb);
	int (*stream_start)(struct device *dev, unsigned int str_id);
	int (*stream_drop)(struct device *dev, unsigned int str_id);
	int (*stream_drain)(struct device *dev, unsigned int str_id);
	int (*stream_partial_drain)(struct device *dev,	unsigned int str_id);
	int (*stream_pause)(struct device *dev, unsigned int str_id);
	int (*stream_pause_release)(struct device *dev,	unsigned int str_id);

	int (*tstamp)(struct device *dev, unsigned int str_id,
			struct snd_compr_tstamp *tstamp);
	int (*ack)(struct device *dev, unsigned int str_id,
			unsigned long bytes);
	int (*close)(struct device *dev, 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)(struct device *dev,	unsigned int str_id,
			struct snd_compr_metadata *mdata);
	int (*power)(struct device *dev, bool state);
};

struct sst_ops {
	int (*open)(struct device *dev, struct snd_sst_params *str_param);
	int (*stream_init)(struct device *dev, struct pcm_stream_info *str_info);
	int (*stream_start)(struct device *dev, int str_id);
	int (*stream_drop)(struct device *dev, int str_id);
	int (*stream_pause)(struct device *dev, int str_id);
	int (*stream_pause_release)(struct device *dev, int str_id);
	int (*stream_read_tstamp)(struct device *dev, struct pcm_stream_info *str_info);
	int (*send_byte_stream)(struct device *dev, struct snd_sst_bytes_v2 *bytes);
	int (*close)(struct device *dev, unsigned int str_id);
	int (*power)(struct device *dev, bool state);
};

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 platform_device *pdev;
	struct compress_sst_ops *compr_ops;
};

struct sst_data;

int sst_dsp_init_v2_dpcm(struct snd_soc_component *component);
int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute);
int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable);
int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable);

void sst_set_stream_status(struct sst_runtime_stream *stream, int state);
int sst_fill_stream_params(void *substream, const struct sst_data *ctx,
			   struct snd_sst_params *str_params, bool is_compress);

struct sst_algo_int_control_v2 {
	struct soc_mixer_control mc;
	u16 module_id; /* module identifieer */
	u16 pipe_id; /* location info: pipe_id + instance_id */
	u16 instance_id;
	unsigned int value; /* Value received is stored here */
};
struct sst_data {
	struct platform_device *pdev;
	struct sst_platform_data *pdata;
	struct snd_sst_bytes_v2 *byte_stream;
	struct mutex lock;
	struct snd_soc_card *soc_card;
	struct sst_cmd_sba_hw_set_ssp ssp_cmd;
};
int sst_register_dsp(struct sst_device *sst);
int sst_unregister_dsp(struct sst_device *sst);
#endif