1/* SPDX-License-Identifier: GPL-2.0-only */
  2/*
  3 *  sst_mfld_platform.h - Intel MID Platform driver header file
  4 *
  5 *  Copyright (C) 2010 Intel Corp
  6 *  Author: Vinod Koul <vinod.koul@intel.com>
  7 *  Author: Harsha Priya <priya.harsha@intel.com>
  8 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  9 *
 10 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 11 */
 12
 13#ifndef __SST_PLATFORMDRV_H__
 14#define __SST_PLATFORMDRV_H__
 15
 16#include "sst-mfld-dsp.h"
 17#include "sst-atom-controls.h"
 18
 19extern struct sst_device *sst;
 20extern const struct snd_compress_ops sst_platform_compress_ops;
 21
 22#define DRV_NAME "sst"
 23
 24#define SST_MONO		1
 25#define SST_STEREO		2
 26#define SST_MAX_CAP		5
 27
 28#define SST_MAX_BUFFER		(800*1024)
 29#define SST_MIN_BUFFER		(800*1024)
 30#define SST_MIN_PERIOD_BYTES	32
 31#define SST_MAX_PERIOD_BYTES	SST_MAX_BUFFER
 32#define SST_MIN_PERIODS		2
 33#define SST_MAX_PERIODS		(1024*2)
 34#define SST_FIFO_SIZE		0
 35
 36struct pcm_stream_info {
 37	int str_id;
 38	void *arg;
 39	void (*period_elapsed) (void *arg);
 40	unsigned long long buffer_ptr;
 41	unsigned long long pcm_delay;
 42	int sfreq;
 43};
 44
 45enum sst_drv_status {
 46	SST_PLATFORM_INIT = 1,
 47	SST_PLATFORM_STARTED,
 48	SST_PLATFORM_RUNNING,
 49	SST_PLATFORM_PAUSED,
 50	SST_PLATFORM_DROPPED,
 51};
 52
 53enum sst_stream_ops {
 54	STREAM_OPS_PLAYBACK = 0,
 55	STREAM_OPS_CAPTURE,
 56};
 57
 58enum sst_audio_device_type {
 59	SND_SST_DEVICE_HEADSET = 1,
 60	SND_SST_DEVICE_IHF,
 61	SND_SST_DEVICE_VIBRA,
 62	SND_SST_DEVICE_HAPTIC,
 63	SND_SST_DEVICE_CAPTURE,
 64	SND_SST_DEVICE_COMPRESS,
 65};
 66
 67/* PCM Parameters */
 68struct sst_pcm_params {
 69	u16 codec;	/* codec type */
 70	u8 num_chan;	/* 1=Mono, 2=Stereo */
 71	u8 pcm_wd_sz;	/* 16/24 - bit*/
 72	u32 reserved;	/* Bitrate in bits per second */
 73	u32 sfreq;	/* Sampling rate in Hz */
 74	u32 ring_buffer_size;
 75	u32 period_count;	/* period elapsed in samples*/
 76	u32 ring_buffer_addr;
 77};
 78
 79struct sst_stream_params {
 80	u32 result;
 81	u32 stream_id;
 82	u8 codec;
 83	u8 ops;
 84	u8 stream_type;
 85	u8 device_type;
 86	struct sst_pcm_params sparams;
 87};
 88
 89struct sst_compress_cb {
 90	void *param;
 91	void (*compr_cb)(void *param);
 92	void *drain_cb_param;
 93	void (*drain_notify)(void *param);
 94};
 95
 96struct compress_sst_ops {
 97	const char *name;
 98	int (*open)(struct device *dev,
 99		struct snd_sst_params *str_params, struct sst_compress_cb *cb);
100	int (*stream_start)(struct device *dev, unsigned int str_id);
101	int (*stream_drop)(struct device *dev, unsigned int str_id);
102	int (*stream_drain)(struct device *dev, unsigned int str_id);
103	int (*stream_partial_drain)(struct device *dev,	unsigned int str_id);
104	int (*stream_pause)(struct device *dev, unsigned int str_id);
105	int (*stream_pause_release)(struct device *dev,	unsigned int str_id);
106
107	int (*tstamp)(struct device *dev, unsigned int str_id,
108			struct snd_compr_tstamp *tstamp);
109	int (*ack)(struct device *dev, unsigned int str_id,
110			unsigned long bytes);
111	int (*close)(struct device *dev, unsigned int str_id);
112	int (*get_caps)(struct snd_compr_caps *caps);
113	int (*get_codec_caps)(struct snd_compr_codec_caps *codec);
114	int (*set_metadata)(struct device *dev,	unsigned int str_id,
115			struct snd_compr_metadata *mdata);
116	int (*power)(struct device *dev, bool state);
117};
118
119struct sst_ops {
120	int (*open)(struct device *dev, struct snd_sst_params *str_param);
121	int (*stream_init)(struct device *dev, struct pcm_stream_info *str_info);
122	int (*stream_start)(struct device *dev, int str_id);
123	int (*stream_drop)(struct device *dev, int str_id);
124	int (*stream_pause)(struct device *dev, int str_id);
125	int (*stream_pause_release)(struct device *dev, int str_id);
126	int (*stream_read_tstamp)(struct device *dev, struct pcm_stream_info *str_info);
127	int (*send_byte_stream)(struct device *dev, struct snd_sst_bytes_v2 *bytes);
128	int (*close)(struct device *dev, unsigned int str_id);
129	int (*power)(struct device *dev, bool state);
130};
131
132struct sst_runtime_stream {
133	int     stream_status;
134	unsigned int id;
135	size_t bytes_written;
136	struct pcm_stream_info stream_info;
137	struct sst_ops *ops;
138	struct compress_sst_ops *compr_ops;
139	spinlock_t	status_lock;
140};
141
142struct sst_device {
143	char *name;
144	struct device *dev;
145	struct sst_ops *ops;
146	struct platform_device *pdev;
147	struct compress_sst_ops *compr_ops;
148};
149
150struct sst_data;
151
152int sst_dsp_init_v2_dpcm(struct snd_soc_component *component);
153int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute);
154int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable);
155int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable);
156
157void sst_set_stream_status(struct sst_runtime_stream *stream, int state);
158int sst_fill_stream_params(void *substream, const struct sst_data *ctx,
159			   struct snd_sst_params *str_params, bool is_compress);
160
161struct sst_algo_int_control_v2 {
162	struct soc_mixer_control mc;
163	u16 module_id; /* module identifieer */
164	u16 pipe_id; /* location info: pipe_id + instance_id */
165	u16 instance_id;
166	unsigned int value; /* Value received is stored here */
167};
168struct sst_data {
169	struct platform_device *pdev;
170	struct sst_platform_data *pdata;
171	struct snd_sst_bytes_v2 *byte_stream;
172	struct mutex lock;
173	struct snd_soc_card *soc_card;
174	struct sst_cmd_sba_hw_set_ssp ssp_cmd;
175};
176int sst_register_dsp(struct sst_device *dev);
177int sst_unregister_dsp(struct sst_device *dev);
178#endif