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
27extern struct sst_device *sst;
28extern 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
42struct 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
51enum 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
59enum sst_stream_ops {
60	STREAM_OPS_PLAYBACK = 0,
61	STREAM_OPS_CAPTURE,
62};
63
64enum 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 */
74struct 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
85struct 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
95struct 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
102struct 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
125struct 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
138struct 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
148struct 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
156struct sst_data;
157
158int sst_dsp_init_v2_dpcm(struct snd_soc_platform *platform);
159int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute);
160int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable);
161int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable);
162
163void sst_set_stream_status(struct sst_runtime_stream *stream, int state);
164int sst_fill_stream_params(void *substream, const struct sst_data *ctx,
165			   struct snd_sst_params *str_params, bool is_compress);
166
167struct 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};
174struct 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};
182int sst_register_dsp(struct sst_device *sst);
183int sst_unregister_dsp(struct sst_device *sst);
184#endif
185