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
26extern struct sst_device *sst;
27
28#define SST_MONO		1
29#define SST_STEREO		2
30#define SST_MAX_CAP		5
31
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
39
40struct pcm_stream_info {
41	int str_id;
42	void *arg;
43	void (*period_elapsed) (void *arg);
44	unsigned long long buffer_ptr;
45	unsigned long long pcm_delay;
46	int sfreq;
47};
48
49enum sst_drv_status {
50	SST_PLATFORM_INIT = 1,
51	SST_PLATFORM_STARTED,
52	SST_PLATFORM_RUNNING,
53	SST_PLATFORM_PAUSED,
54	SST_PLATFORM_DROPPED,
55};
56
57enum sst_stream_ops {
58	STREAM_OPS_PLAYBACK = 0,
59	STREAM_OPS_CAPTURE,
60};
61
62enum sst_audio_device_type {
63	SND_SST_DEVICE_HEADSET = 1,
64	SND_SST_DEVICE_IHF,
65	SND_SST_DEVICE_VIBRA,
66	SND_SST_DEVICE_HAPTIC,
67	SND_SST_DEVICE_CAPTURE,
68	SND_SST_DEVICE_COMPRESS,
69};
70
71/* PCM Parameters */
72struct 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 */
78	u32 ring_buffer_size;
79	u32 period_count;	/* period elapsed in samples*/
80	u32 ring_buffer_addr;
81};
82
83struct sst_stream_params {
84	u32 result;
85	u32 stream_id;
86	u8 codec;
87	u8 ops;
88	u8 stream_type;
89	u8 device_type;
90	struct sst_pcm_params sparams;
91};
92
93struct sst_compress_cb {
94	void *param;
95	void (*compr_cb)(void *param);
96	void *drain_cb_param;
97	void (*drain_notify)(void *param);
98};
99
100struct compress_sst_ops {
101	const char *name;
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);
110
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);
121};
122
123struct sst_ops {
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);
134};
135
136struct sst_runtime_stream {
137	int     stream_status;
138	unsigned int id;
139	size_t bytes_written;
140	struct pcm_stream_info stream_info;
141	struct sst_ops *ops;
142	struct compress_sst_ops *compr_ops;
143	spinlock_t	status_lock;
144};
145
146struct sst_device {
147	char *name;
148	struct device *dev;
149	struct sst_ops *ops;
150	struct platform_device *pdev;
151	struct compress_sst_ops *compr_ops;
152};
153
154struct sst_data;
155
156int sst_dsp_init_v2_dpcm(struct snd_soc_platform *platform);
157int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute);
158int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable);
159int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable);
160
161void sst_set_stream_status(struct sst_runtime_stream *stream, int state);
162int sst_fill_stream_params(void *substream, const struct sst_data *ctx,
163			   struct snd_sst_params *str_params, bool is_compress);
164
165struct 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 */
169	u16 instance_id;
170	unsigned int value; /* Value received is stored here */
171};
172struct sst_data {
173	struct platform_device *pdev;
174	struct sst_platform_data *pdata;
175	struct snd_sst_bytes_v2 *byte_stream;
176	struct mutex lock;
177	struct snd_soc_card *soc_card;
178};
179int sst_register_dsp(struct sst_device *sst);
180int sst_unregister_dsp(struct sst_device *sst);
181#endif
182