1/*
2 * Intel SST Haswell/Broadwell IPC Support
3 *
4 * Copyright (C) 2013, Intel Corporation. All rights reserved.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License version
8 * 2 as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 *
15 */
16
17#ifndef __SST_HASWELL_IPC_H
18#define __SST_HASWELL_IPC_H
19
20#include <linux/types.h>
21#include <linux/kernel.h>
22#include <linux/platform_device.h>
23#include <sound/asound.h>
24
25#define SST_HSW_NO_CHANNELS		4
26#define SST_HSW_MAX_DX_REGIONS		14
27#define SST_HSW_DX_CONTEXT_SIZE        (640 * 1024)
28#define SST_HSW_CHANNELS_ALL		0xffffffff
29
30#define SST_HSW_FW_LOG_CONFIG_DWORDS	12
31#define SST_HSW_GLOBAL_LOG		15
32
33/**
34 * Upfront defined maximum message size that is
35 * expected by the in/out communication pipes in FW.
36 */
37#define SST_HSW_IPC_MAX_PAYLOAD_SIZE	400
38#define SST_HSW_MAX_INFO_SIZE		64
39#define SST_HSW_BUILD_HASH_LENGTH	40
40#define SST_HSW_IPC_MAX_SHORT_PARAMETER_SIZE	500
41#define WAVES_PARAM_COUNT		128
42#define WAVES_PARAM_LINES		160
43
44struct sst_hsw;
45struct sst_hsw_stream;
46struct sst_hsw_log_stream;
47struct sst_pdata;
48struct sst_module;
49struct sst_module_runtime;
50extern struct sst_ops haswell_ops;
51
52/* Stream Allocate Path ID */
53enum sst_hsw_stream_path_id {
54	SST_HSW_STREAM_PATH_SSP0_OUT = 0,
55	SST_HSW_STREAM_PATH_SSP0_IN = 1,
56	SST_HSW_STREAM_PATH_MAX_PATH_ID = 2,
57};
58
59/* Stream Allocate Stream Type */
60enum sst_hsw_stream_type {
61	SST_HSW_STREAM_TYPE_RENDER = 0,
62	SST_HSW_STREAM_TYPE_SYSTEM = 1,
63	SST_HSW_STREAM_TYPE_CAPTURE = 2,
64	SST_HSW_STREAM_TYPE_LOOPBACK = 3,
65	SST_HSW_STREAM_TYPE_MAX_STREAM_TYPE = 4,
66};
67
68/* Stream Allocate Stream Format */
69enum sst_hsw_stream_format {
70	SST_HSW_STREAM_FORMAT_PCM_FORMAT = 0,
71	SST_HSW_STREAM_FORMAT_MP3_FORMAT = 1,
72	SST_HSW_STREAM_FORMAT_AAC_FORMAT = 2,
73	SST_HSW_STREAM_FORMAT_MAX_FORMAT_ID = 3,
74};
75
76/* Device ID */
77enum sst_hsw_device_id {
78	SST_HSW_DEVICE_SSP_0   = 0,
79	SST_HSW_DEVICE_SSP_1   = 1,
80};
81
82/* Device Master Clock Frequency */
83enum sst_hsw_device_mclk {
84	SST_HSW_DEVICE_MCLK_OFF         = 0,
85	SST_HSW_DEVICE_MCLK_FREQ_6_MHZ  = 1,
86	SST_HSW_DEVICE_MCLK_FREQ_12_MHZ = 2,
87	SST_HSW_DEVICE_MCLK_FREQ_24_MHZ = 3,
88};
89
90/* Device Clock Master */
91enum sst_hsw_device_mode {
92	SST_HSW_DEVICE_CLOCK_SLAVE   = 0,
93	SST_HSW_DEVICE_CLOCK_MASTER  = 1,
94	SST_HSW_DEVICE_TDM_CLOCK_MASTER = 2,
95};
96
97/* DX Power State */
98enum sst_hsw_dx_state {
99	SST_HSW_DX_STATE_D0     = 0,
100	SST_HSW_DX_STATE_D1     = 1,
101	SST_HSW_DX_STATE_D3     = 3,
102	SST_HSW_DX_STATE_MAX	= 3,
103};
104
105/* Audio stream stage IDs */
106enum sst_hsw_fx_stage_id {
107	SST_HSW_STAGE_ID_WAVES = 0,
108	SST_HSW_STAGE_ID_DTS   = 1,
109	SST_HSW_STAGE_ID_DOLBY = 2,
110	SST_HSW_STAGE_ID_BOOST = 3,
111	SST_HSW_STAGE_ID_MAX_FX_ID
112};
113
114/* DX State Type */
115enum sst_hsw_dx_type {
116	SST_HSW_DX_TYPE_FW_IMAGE = 0,
117	SST_HSW_DX_TYPE_MEMORY_DUMP = 1
118};
119
120/* Volume Curve Type*/
121enum sst_hsw_volume_curve {
122	SST_HSW_VOLUME_CURVE_NONE = 0,
123	SST_HSW_VOLUME_CURVE_FADE = 1
124};
125
126/* Sample ordering */
127enum sst_hsw_interleaving {
128	SST_HSW_INTERLEAVING_PER_CHANNEL = 0,
129	SST_HSW_INTERLEAVING_PER_SAMPLE  = 1,
130};
131
132/* Channel indices */
133enum sst_hsw_channel_index {
134	SST_HSW_CHANNEL_LEFT            = 0,
135	SST_HSW_CHANNEL_CENTER          = 1,
136	SST_HSW_CHANNEL_RIGHT           = 2,
137	SST_HSW_CHANNEL_LEFT_SURROUND   = 3,
138	SST_HSW_CHANNEL_CENTER_SURROUND = 3,
139	SST_HSW_CHANNEL_RIGHT_SURROUND  = 4,
140	SST_HSW_CHANNEL_LFE             = 7,
141	SST_HSW_CHANNEL_INVALID         = 0xF,
142};
143
144/* List of supported channel maps. */
145enum sst_hsw_channel_config {
146	SST_HSW_CHANNEL_CONFIG_MONO      = 0, /* mono only. */
147	SST_HSW_CHANNEL_CONFIG_STEREO    = 1, /* L & R. */
148	SST_HSW_CHANNEL_CONFIG_2_POINT_1 = 2, /* L, R & LFE; PCM only. */
149	SST_HSW_CHANNEL_CONFIG_3_POINT_0 = 3, /* L, C & R; MP3 & AAC only. */
150	SST_HSW_CHANNEL_CONFIG_3_POINT_1 = 4, /* L, C, R & LFE; PCM only. */
151	SST_HSW_CHANNEL_CONFIG_QUATRO    = 5, /* L, R, Ls & Rs; PCM only. */
152	SST_HSW_CHANNEL_CONFIG_4_POINT_0 = 6, /* L, C, R & Cs; MP3 & AAC only. */
153	SST_HSW_CHANNEL_CONFIG_5_POINT_0 = 7, /* L, C, R, Ls & Rs. */
154	SST_HSW_CHANNEL_CONFIG_5_POINT_1 = 8, /* L, C, R, Ls, Rs & LFE. */
155	SST_HSW_CHANNEL_CONFIG_DUAL_MONO = 9, /* One channel replicated in two. */
156	SST_HSW_CHANNEL_CONFIG_INVALID,
157};
158
159/* List of supported bit depths. */
160enum sst_hsw_bitdepth {
161	SST_HSW_DEPTH_8BIT  = 8,
162	SST_HSW_DEPTH_16BIT = 16,
163	SST_HSW_DEPTH_24BIT = 24, /* Default. */
164	SST_HSW_DEPTH_32BIT = 32,
165	SST_HSW_DEPTH_INVALID = 33,
166};
167
168enum sst_hsw_module_id {
169	SST_HSW_MODULE_BASE_FW = 0x0,
170	SST_HSW_MODULE_MP3     = 0x1,
171	SST_HSW_MODULE_AAC_5_1 = 0x2,
172	SST_HSW_MODULE_AAC_2_0 = 0x3,
173	SST_HSW_MODULE_SRC     = 0x4,
174	SST_HSW_MODULE_WAVES   = 0x5,
175	SST_HSW_MODULE_DOLBY   = 0x6,
176	SST_HSW_MODULE_BOOST   = 0x7,
177	SST_HSW_MODULE_LPAL    = 0x8,
178	SST_HSW_MODULE_DTS     = 0x9,
179	SST_HSW_MODULE_PCM_CAPTURE = 0xA,
180	SST_HSW_MODULE_PCM_SYSTEM = 0xB,
181	SST_HSW_MODULE_PCM_REFERENCE = 0xC,
182	SST_HSW_MODULE_PCM = 0xD,
183	SST_HSW_MODULE_BLUETOOTH_RENDER_MODULE = 0xE,
184	SST_HSW_MODULE_BLUETOOTH_CAPTURE_MODULE = 0xF,
185	SST_HSW_MAX_MODULE_ID,
186};
187
188enum sst_hsw_performance_action {
189	SST_HSW_PERF_START = 0,
190	SST_HSW_PERF_STOP = 1,
191};
192
193struct sst_hsw_transfer_info {
194	uint32_t destination;       /* destination address */
195	uint32_t reverse:1;         /* if 1 data flows from destination */
196	uint32_t size:31;           /* transfer size in bytes.*/
197	uint16_t first_page_offset; /* offset to data in the first page. */
198	uint8_t  packed_pages;   /* page addresses. Each occupies 20 bits */
199} __attribute__((packed));
200
201struct sst_hsw_transfer_list {
202	uint32_t transfers_count;
203	struct sst_hsw_transfer_info transfers;
204} __attribute__((packed));
205
206struct sst_hsw_transfer_parameter {
207	uint32_t parameter_id;
208	uint32_t data_size;
209	union {
210		uint8_t data[1];
211		struct sst_hsw_transfer_list transfer_list;
212	};
213} __attribute__((packed));
214
215/* SST firmware module info */
216struct sst_hsw_module_info {
217	u8 name[SST_HSW_MAX_INFO_SIZE];
218	u8 version[SST_HSW_MAX_INFO_SIZE];
219} __attribute__((packed));
220
221/* Module entry point */
222struct sst_hsw_module_entry {
223	enum sst_hsw_module_id module_id;
224	u32 entry_point;
225} __attribute__((packed));
226
227/* Module map - alignement matches DSP */
228struct sst_hsw_module_map {
229	u8 module_entries_count;
230	struct sst_hsw_module_entry module_entries[1];
231} __attribute__((packed));
232
233struct sst_hsw_memory_info {
234	u32 offset;
235	u32 size;
236} __attribute__((packed));
237
238struct sst_hsw_fx_enable {
239	struct sst_hsw_module_map module_map;
240	struct sst_hsw_memory_info persistent_mem;
241} __attribute__((packed));
242
243struct sst_hsw_ipc_module_config {
244	struct sst_hsw_module_map map;
245	struct sst_hsw_memory_info persistent_mem;
246	struct sst_hsw_memory_info scratch_mem;
247} __attribute__((packed));
248
249struct sst_hsw_get_fx_param {
250	u32 parameter_id;
251	u32 param_size;
252} __attribute__((packed));
253
254struct sst_hsw_perf_action {
255	u32 action;
256} __attribute__((packed));
257
258struct sst_hsw_perf_data {
259	u64 timestamp;
260	u64 cycles;
261	u64 datatime;
262} __attribute__((packed));
263
264/* FW version */
265struct sst_hsw_ipc_fw_version {
266	u8 build;
267	u8 minor;
268	u8 major;
269	u8 type;
270	u8 fw_build_hash[SST_HSW_BUILD_HASH_LENGTH];
271	u32 fw_log_providers_hash;
272} __attribute__((packed));
273
274/* Stream ring info */
275struct sst_hsw_ipc_stream_ring {
276	u32 ring_pt_address;
277	u32 num_pages;
278	u32 ring_size;
279	u32 ring_offset;
280	u32 ring_first_pfn;
281} __attribute__((packed));
282
283/* Debug Dump Log Enable Request */
284struct sst_hsw_ipc_debug_log_enable_req {
285	struct sst_hsw_ipc_stream_ring ringinfo;
286	u32 config[SST_HSW_FW_LOG_CONFIG_DWORDS];
287} __attribute__((packed));
288
289/* Debug Dump Log Reply */
290struct sst_hsw_ipc_debug_log_reply {
291	u32 log_buffer_begining;
292	u32 log_buffer_size;
293} __attribute__((packed));
294
295/* Stream glitch position */
296struct sst_hsw_ipc_stream_glitch_position {
297	u32 glitch_type;
298	u32 present_pos;
299	u32 write_pos;
300} __attribute__((packed));
301
302/* Stream get position */
303struct sst_hsw_ipc_stream_get_position {
304	u32 position;
305	u32 fw_cycle_count;
306} __attribute__((packed));
307
308/* Stream set position */
309struct sst_hsw_ipc_stream_set_position {
310	u32 position;
311	u32 end_of_buffer;
312} __attribute__((packed));
313
314/* Stream Free Request */
315struct sst_hsw_ipc_stream_free_req {
316	u8 stream_id;
317	u8 reserved[3];
318} __attribute__((packed));
319
320/* Set Volume Request */
321struct sst_hsw_ipc_volume_req {
322	u32 channel;
323	u32 target_volume;
324	u64 curve_duration;
325	u32 curve_type;
326} __attribute__((packed));
327
328/* Device Configuration Request */
329struct sst_hsw_ipc_device_config_req {
330	u32 ssp_interface;
331	u32 clock_frequency;
332	u32 mode;
333	u16 clock_divider;
334	u8 channels;
335	u8 reserved;
336} __attribute__((packed));
337
338/* Audio Data formats */
339struct sst_hsw_audio_data_format_ipc {
340	u32 frequency;
341	u32 bitdepth;
342	u32 map;
343	u32 config;
344	u32 style;
345	u8 ch_num;
346	u8 valid_bit;
347	u8 reserved[2];
348} __attribute__((packed));
349
350/* Stream Allocate Request */
351struct sst_hsw_ipc_stream_alloc_req {
352	u8 path_id;
353	u8 stream_type;
354	u8 format_id;
355	u8 reserved;
356	struct sst_hsw_audio_data_format_ipc format;
357	struct sst_hsw_ipc_stream_ring ringinfo;
358	struct sst_hsw_module_map map;
359	struct sst_hsw_memory_info persistent_mem;
360	struct sst_hsw_memory_info scratch_mem;
361	u32 number_of_notifications;
362} __attribute__((packed));
363
364/* Stream Allocate Reply */
365struct sst_hsw_ipc_stream_alloc_reply {
366	u32 stream_hw_id;
367	u32 mixer_hw_id; // returns rate ????
368	u32 read_position_register_address;
369	u32 presentation_position_register_address;
370	u32 peak_meter_register_address[SST_HSW_NO_CHANNELS];
371	u32 volume_register_address[SST_HSW_NO_CHANNELS];
372} __attribute__((packed));
373
374/* Get Mixer Stream Info */
375struct sst_hsw_ipc_stream_info_reply {
376	u32 mixer_hw_id;
377	u32 peak_meter_register_address[SST_HSW_NO_CHANNELS];
378	u32 volume_register_address[SST_HSW_NO_CHANNELS];
379} __attribute__((packed));
380
381/* DX State Request */
382struct sst_hsw_ipc_dx_req {
383	u8 state;
384	u8 reserved[3];
385} __attribute__((packed));
386
387/* DX State Reply Memory Info Item */
388struct sst_hsw_ipc_dx_memory_item {
389	u32 offset;
390	u32 size;
391	u32 source;
392} __attribute__((packed));
393
394/* DX State Reply */
395struct sst_hsw_ipc_dx_reply {
396	u32 entries_no;
397	struct sst_hsw_ipc_dx_memory_item mem_info[SST_HSW_MAX_DX_REGIONS];
398} __attribute__((packed));
399
400struct sst_hsw_ipc_fw_version;
401
402/* SST Init & Free */
403struct sst_hsw *sst_hsw_new(struct device *dev, const u8 *fw, size_t fw_length,
404	u32 fw_offset);
405void sst_hsw_free(struct sst_hsw *hsw);
406int sst_hsw_fw_get_version(struct sst_hsw *hsw,
407	struct sst_hsw_ipc_fw_version *version);
408u32 create_channel_map(enum sst_hsw_channel_config config);
409
410/* Stream Mixer Controls - */
411int sst_hsw_stream_set_volume(struct sst_hsw *hsw,
412	struct sst_hsw_stream *stream, u32 stage_id, u32 channel, u32 volume);
413int sst_hsw_stream_get_volume(struct sst_hsw *hsw,
414	struct sst_hsw_stream *stream, u32 stage_id, u32 channel, u32 *volume);
415
416/* Global Mixer Controls - */
417int sst_hsw_mixer_set_volume(struct sst_hsw *hsw, u32 stage_id, u32 channel,
418	u32 volume);
419int sst_hsw_mixer_get_volume(struct sst_hsw *hsw, u32 stage_id, u32 channel,
420	u32 *volume);
421
422/* Stream API */
423struct sst_hsw_stream *sst_hsw_stream_new(struct sst_hsw *hsw, int id,
424	u32 (*get_write_position)(struct sst_hsw_stream *stream, void *data),
425	void *data);
426
427int sst_hsw_stream_free(struct sst_hsw *hsw, struct sst_hsw_stream *stream);
428
429/* Stream Configuration */
430int sst_hsw_stream_format(struct sst_hsw *hsw, struct sst_hsw_stream *stream,
431	enum sst_hsw_stream_path_id path_id,
432	enum sst_hsw_stream_type stream_type,
433	enum sst_hsw_stream_format format_id);
434
435int sst_hsw_stream_buffer(struct sst_hsw *hsw, struct sst_hsw_stream *stream,
436	u32 ring_pt_address, u32 num_pages,
437	u32 ring_size, u32 ring_offset, u32 ring_first_pfn);
438
439int sst_hsw_stream_commit(struct sst_hsw *hsw, struct sst_hsw_stream *stream);
440
441int sst_hsw_stream_set_valid(struct sst_hsw *hsw, struct sst_hsw_stream *stream,
442	u32 bits);
443int sst_hsw_stream_set_rate(struct sst_hsw *hsw, struct sst_hsw_stream *stream,
444	int rate);
445int sst_hsw_stream_set_bits(struct sst_hsw *hsw, struct sst_hsw_stream *stream,
446	enum sst_hsw_bitdepth bits);
447int sst_hsw_stream_set_channels(struct sst_hsw *hsw,
448	struct sst_hsw_stream *stream, int channels);
449int sst_hsw_stream_set_map_config(struct sst_hsw *hsw,
450	struct sst_hsw_stream *stream, u32 map,
451	enum sst_hsw_channel_config config);
452int sst_hsw_stream_set_style(struct sst_hsw *hsw, struct sst_hsw_stream *stream,
453	enum sst_hsw_interleaving style);
454int sst_hsw_stream_set_module_info(struct sst_hsw *hsw,
455	struct sst_hsw_stream *stream, struct sst_module_runtime *runtime);
456int sst_hsw_stream_set_pmemory_info(struct sst_hsw *hsw,
457	struct sst_hsw_stream *stream, u32 offset, u32 size);
458int sst_hsw_stream_set_smemory_info(struct sst_hsw *hsw,
459	struct sst_hsw_stream *stream, u32 offset, u32 size);
460snd_pcm_uframes_t sst_hsw_stream_get_old_position(struct sst_hsw *hsw,
461	struct sst_hsw_stream *stream);
462void sst_hsw_stream_set_old_position(struct sst_hsw *hsw,
463	struct sst_hsw_stream *stream, snd_pcm_uframes_t val);
464bool sst_hsw_stream_get_silence_start(struct sst_hsw *hsw,
465	struct sst_hsw_stream *stream);
466void sst_hsw_stream_set_silence_start(struct sst_hsw *hsw,
467	struct sst_hsw_stream *stream, bool val);
468int sst_hsw_mixer_get_info(struct sst_hsw *hsw);
469
470/* Stream ALSA trigger operations */
471int sst_hsw_stream_pause(struct sst_hsw *hsw, struct sst_hsw_stream *stream,
472	int wait);
473int sst_hsw_stream_resume(struct sst_hsw *hsw, struct sst_hsw_stream *stream,
474	int wait);
475int sst_hsw_stream_reset(struct sst_hsw *hsw, struct sst_hsw_stream *stream);
476
477/* Stream pointer positions */
478int sst_hsw_stream_get_read_pos(struct sst_hsw *hsw,
479	struct sst_hsw_stream *stream, u32 *position);
480int sst_hsw_stream_get_write_pos(struct sst_hsw *hsw,
481	struct sst_hsw_stream *stream, u32 *position);
482u32 sst_hsw_get_dsp_position(struct sst_hsw *hsw,
483	struct sst_hsw_stream *stream);
484u64 sst_hsw_get_dsp_presentation_position(struct sst_hsw *hsw,
485	struct sst_hsw_stream *stream);
486
487/* HW port config */
488int sst_hsw_device_set_config(struct sst_hsw *hsw,
489	enum sst_hsw_device_id dev, enum sst_hsw_device_mclk mclk,
490	enum sst_hsw_device_mode mode, u32 clock_divider);
491
492/* DX Config */
493int sst_hsw_dx_set_state(struct sst_hsw *hsw,
494	enum sst_hsw_dx_state state, struct sst_hsw_ipc_dx_reply *dx);
495
496/* init */
497int sst_hsw_dsp_init(struct device *dev, struct sst_pdata *pdata);
498void sst_hsw_dsp_free(struct device *dev, struct sst_pdata *pdata);
499struct sst_dsp *sst_hsw_get_dsp(struct sst_hsw *hsw);
500
501/* fw module function */
502void sst_hsw_init_module_state(struct sst_hsw *hsw);
503bool sst_hsw_is_module_loaded(struct sst_hsw *hsw, u32 module_id);
504bool sst_hsw_is_module_active(struct sst_hsw *hsw, u32 module_id);
505void sst_hsw_set_module_enabled_rtd3(struct sst_hsw *hsw, u32 module_id);
506void sst_hsw_set_module_disabled_rtd3(struct sst_hsw *hsw, u32 module_id);
507bool sst_hsw_is_module_enabled_rtd3(struct sst_hsw *hsw, u32 module_id);
508void sst_hsw_reset_param_buf(struct sst_hsw *hsw);
509int sst_hsw_store_param_line(struct sst_hsw *hsw, u8 *buf);
510int sst_hsw_load_param_line(struct sst_hsw *hsw, u8 *buf);
511int sst_hsw_launch_param_buf(struct sst_hsw *hsw);
512
513int sst_hsw_module_load(struct sst_hsw *hsw,
514	u32 module_id, u32 instance_id, char *name);
515int sst_hsw_module_enable(struct sst_hsw *hsw,
516	u32 module_id, u32 instance_id);
517int sst_hsw_module_disable(struct sst_hsw *hsw,
518	u32 module_id, u32 instance_id);
519int sst_hsw_module_set_param(struct sst_hsw *hsw,
520	u32 module_id, u32 instance_id, u32 parameter_id,
521	u32 param_size, char *param);
522
523/* runtime module management */
524struct sst_module_runtime *sst_hsw_runtime_module_create(struct sst_hsw *hsw,
525	int mod_id, int offset);
526void sst_hsw_runtime_module_free(struct sst_module_runtime *runtime);
527
528/* PM */
529int sst_hsw_dsp_runtime_resume(struct sst_hsw *hsw);
530int sst_hsw_dsp_runtime_suspend(struct sst_hsw *hsw);
531int sst_hsw_dsp_load(struct sst_hsw *hsw);
532int sst_hsw_dsp_runtime_sleep(struct sst_hsw *hsw);
533
534#endif
535