Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2/*
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * Copyright(c) 2018 Intel Corporation. All rights reserved.
7 *
8 * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9 */
10
11#ifndef __SOUND_SOC_SOF_PRIV_H
12#define __SOUND_SOC_SOF_PRIV_H
13
14#include <linux/device.h>
15
16#include <sound/hdaudio.h>
17#include <sound/soc.h>
18
19#include <sound/sof.h>
20#include <sound/sof/stream.h> /* needs to be included before control.h */
21#include <sound/sof/control.h>
22#include <sound/sof/dai.h>
23#include <sound/sof/info.h>
24#include <sound/sof/pm.h>
25#include <sound/sof/topology.h>
26#include <sound/sof/trace.h>
27
28#include <uapi/sound/sof/fw.h>
29
30/* debug flags */
31#define SOF_DBG_REGS BIT(1)
32#define SOF_DBG_MBOX BIT(2)
33#define SOF_DBG_TEXT BIT(3)
34#define SOF_DBG_PCI BIT(4)
35
36/* max BARs mmaped devices can use */
37#define SND_SOF_BARS 8
38
39/* time in ms for runtime suspend delay */
40#define SND_SOF_SUSPEND_DELAY_MS 2000
41
42/* DMA buffer size for trace */
43#define DMA_BUF_SIZE_FOR_TRACE (PAGE_SIZE * 16)
44
45/* max number of FE PCMs before BEs */
46#define SOF_BE_PCM_BASE 16
47
48#define SOF_IPC_DSP_REPLY 0
49#define SOF_IPC_HOST_REPLY 1
50
51/* convenience constructor for DAI driver streams */
52#define SOF_DAI_STREAM(sname, scmin, scmax, srates, sfmt) \
53 {.stream_name = sname, .channels_min = scmin, .channels_max = scmax, \
54 .rates = srates, .formats = sfmt}
55
56#define SOF_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
57 SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_FLOAT)
58
59struct snd_sof_dev;
60struct snd_sof_ipc_msg;
61struct snd_sof_ipc;
62struct snd_sof_debugfs_map;
63struct snd_soc_tplg_ops;
64struct snd_soc_component;
65struct snd_sof_pdata;
66
67/*
68 * SOF DSP HW abstraction operations.
69 * Used to abstract DSP HW architecture and any IO busses between host CPU
70 * and DSP device(s).
71 */
72struct snd_sof_dsp_ops {
73
74 /* probe and remove */
75 int (*probe)(struct snd_sof_dev *sof_dev); /* mandatory */
76 int (*remove)(struct snd_sof_dev *sof_dev); /* optional */
77
78 /* DSP core boot / reset */
79 int (*run)(struct snd_sof_dev *sof_dev); /* mandatory */
80 int (*stall)(struct snd_sof_dev *sof_dev); /* optional */
81 int (*reset)(struct snd_sof_dev *sof_dev); /* optional */
82 int (*core_power_up)(struct snd_sof_dev *sof_dev,
83 unsigned int core_mask); /* optional */
84 int (*core_power_down)(struct snd_sof_dev *sof_dev,
85 unsigned int core_mask); /* optional */
86
87 /*
88 * Register IO: only used by respective drivers themselves,
89 * TODO: consider removing these operations and calling respective
90 * implementations directly
91 */
92 void (*write)(struct snd_sof_dev *sof_dev, void __iomem *addr,
93 u32 value); /* optional */
94 u32 (*read)(struct snd_sof_dev *sof_dev,
95 void __iomem *addr); /* optional */
96 void (*write64)(struct snd_sof_dev *sof_dev, void __iomem *addr,
97 u64 value); /* optional */
98 u64 (*read64)(struct snd_sof_dev *sof_dev,
99 void __iomem *addr); /* optional */
100
101 /* memcpy IO */
102 void (*block_read)(struct snd_sof_dev *sof_dev, u32 bar,
103 u32 offset, void *dest,
104 size_t size); /* mandatory */
105 void (*block_write)(struct snd_sof_dev *sof_dev, u32 bar,
106 u32 offset, void *src,
107 size_t size); /* mandatory */
108
109 /* doorbell */
110 irqreturn_t (*irq_handler)(int irq, void *context); /* optional */
111 irqreturn_t (*irq_thread)(int irq, void *context); /* optional */
112
113 /* ipc */
114 int (*send_msg)(struct snd_sof_dev *sof_dev,
115 struct snd_sof_ipc_msg *msg); /* mandatory */
116
117 /* FW loading */
118 int (*load_firmware)(struct snd_sof_dev *sof_dev); /* mandatory */
119 int (*load_module)(struct snd_sof_dev *sof_dev,
120 struct snd_sof_mod_hdr *hdr); /* optional */
121 /*
122 * FW ready checks for ABI compatibility and creates
123 * memory windows at first boot
124 */
125 int (*fw_ready)(struct snd_sof_dev *sdev, u32 msg_id); /* optional */
126
127 /* connect pcm substream to a host stream */
128 int (*pcm_open)(struct snd_sof_dev *sdev,
129 struct snd_pcm_substream *substream); /* optional */
130 /* disconnect pcm substream to a host stream */
131 int (*pcm_close)(struct snd_sof_dev *sdev,
132 struct snd_pcm_substream *substream); /* optional */
133
134 /* host stream hw params */
135 int (*pcm_hw_params)(struct snd_sof_dev *sdev,
136 struct snd_pcm_substream *substream,
137 struct snd_pcm_hw_params *params,
138 struct sof_ipc_stream_params *ipc_params); /* optional */
139
140 /* host stream trigger */
141 int (*pcm_trigger)(struct snd_sof_dev *sdev,
142 struct snd_pcm_substream *substream,
143 int cmd); /* optional */
144
145 /* host stream pointer */
146 snd_pcm_uframes_t (*pcm_pointer)(struct snd_sof_dev *sdev,
147 struct snd_pcm_substream *substream); /* optional */
148
149 /* host read DSP stream data */
150 void (*ipc_msg_data)(struct snd_sof_dev *sdev,
151 struct snd_pcm_substream *substream,
152 void *p, size_t sz); /* mandatory */
153
154 /* host configure DSP HW parameters */
155 int (*ipc_pcm_params)(struct snd_sof_dev *sdev,
156 struct snd_pcm_substream *substream,
157 const struct sof_ipc_pcm_params_reply *reply); /* mandatory */
158
159 /* pre/post firmware run */
160 int (*pre_fw_run)(struct snd_sof_dev *sof_dev); /* optional */
161 int (*post_fw_run)(struct snd_sof_dev *sof_dev); /* optional */
162
163 /* DSP PM */
164 int (*suspend)(struct snd_sof_dev *sof_dev, int state); /* optional */
165 int (*resume)(struct snd_sof_dev *sof_dev); /* optional */
166 int (*runtime_suspend)(struct snd_sof_dev *sof_dev,
167 int state); /* optional */
168 int (*runtime_resume)(struct snd_sof_dev *sof_dev); /* optional */
169 void (*set_hw_params_upon_resume)(struct snd_sof_dev *sdev); /* optional */
170
171 /* DSP clocking */
172 int (*set_clk)(struct snd_sof_dev *sof_dev, u32 freq); /* optional */
173
174 /* debug */
175 const struct snd_sof_debugfs_map *debug_map; /* optional */
176 int debug_map_count; /* optional */
177 void (*dbg_dump)(struct snd_sof_dev *sof_dev,
178 u32 flags); /* optional */
179 void (*ipc_dump)(struct snd_sof_dev *sof_dev); /* optional */
180
181 /* host DMA trace initialization */
182 int (*trace_init)(struct snd_sof_dev *sdev,
183 u32 *stream_tag); /* optional */
184 int (*trace_release)(struct snd_sof_dev *sdev); /* optional */
185 int (*trace_trigger)(struct snd_sof_dev *sdev,
186 int cmd); /* optional */
187
188 /* DAI ops */
189 struct snd_soc_dai_driver *drv;
190 int num_drv;
191};
192
193/* DSP architecture specific callbacks for oops and stack dumps */
194struct sof_arch_ops {
195 void (*dsp_oops)(struct snd_sof_dev *sdev, void *oops);
196 void (*dsp_stack)(struct snd_sof_dev *sdev, void *oops,
197 u32 *stack, u32 stack_words);
198};
199
200#define sof_arch_ops(sdev) ((sdev)->pdata->desc->arch_ops)
201
202/* DSP device HW descriptor mapping between bus ID and ops */
203struct sof_ops_table {
204 const struct sof_dev_desc *desc;
205 const struct snd_sof_dsp_ops *ops;
206};
207
208enum sof_dfsentry_type {
209 SOF_DFSENTRY_TYPE_IOMEM = 0,
210 SOF_DFSENTRY_TYPE_BUF,
211};
212
213enum sof_debugfs_access_type {
214 SOF_DEBUGFS_ACCESS_ALWAYS = 0,
215 SOF_DEBUGFS_ACCESS_D0_ONLY,
216};
217
218/* FS entry for debug files that can expose DSP memories, registers */
219struct snd_sof_dfsentry {
220 struct dentry *dfsentry;
221 size_t size;
222 enum sof_dfsentry_type type;
223 /*
224 * access_type specifies if the
225 * memory -> DSP resource (memory, register etc) is always accessible
226 * or if it is accessible only when the DSP is in D0.
227 */
228 enum sof_debugfs_access_type access_type;
229#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE)
230 char *cache_buf; /* buffer to cache the contents of debugfs memory */
231#endif
232 struct snd_sof_dev *sdev;
233 struct list_head list; /* list in sdev dfsentry list */
234 union {
235 void __iomem *io_mem;
236 void *buf;
237 };
238};
239
240/* Debug mapping for any DSP memory or registers that can used for debug */
241struct snd_sof_debugfs_map {
242 const char *name;
243 u32 bar;
244 u32 offset;
245 u32 size;
246 /*
247 * access_type specifies if the memory is always accessible
248 * or if it is accessible only when the DSP is in D0.
249 */
250 enum sof_debugfs_access_type access_type;
251};
252
253/* mailbox descriptor, used for host <-> DSP IPC */
254struct snd_sof_mailbox {
255 u32 offset;
256 size_t size;
257};
258
259/* IPC message descriptor for host <-> DSP IO */
260struct snd_sof_ipc_msg {
261 /* message data */
262 u32 header;
263 void *msg_data;
264 void *reply_data;
265 size_t msg_size;
266 size_t reply_size;
267 int reply_error;
268
269 wait_queue_head_t waitq;
270 bool ipc_complete;
271};
272
273/* PCM stream, mapped to FW component */
274struct snd_sof_pcm_stream {
275 u32 comp_id;
276 struct snd_dma_buffer page_table;
277 struct sof_ipc_stream_posn posn;
278 struct snd_pcm_substream *substream;
279 struct work_struct period_elapsed_work;
280};
281
282/* ALSA SOF PCM device */
283struct snd_sof_pcm {
284 struct snd_sof_dev *sdev;
285 struct snd_soc_tplg_pcm pcm;
286 struct snd_sof_pcm_stream stream[2];
287 struct list_head list; /* list in sdev pcm list */
288 struct snd_pcm_hw_params params[2];
289 int hw_params_upon_resume[2]; /* set up hw_params upon resume */
290};
291
292/* ALSA SOF Kcontrol device */
293struct snd_sof_control {
294 struct snd_sof_dev *sdev;
295 int comp_id;
296 int num_channels;
297 u32 readback_offset; /* offset to mmaped data if used */
298 struct sof_ipc_ctrl_data *control_data;
299 u32 size; /* cdata size */
300 enum sof_ipc_ctrl_cmd cmd;
301 u32 *volume_table; /* volume table computed from tlv data*/
302
303 struct list_head list; /* list in sdev control list */
304};
305
306/* ASoC SOF DAPM widget */
307struct snd_sof_widget {
308 struct snd_sof_dev *sdev;
309 int comp_id;
310 int pipeline_id;
311 int complete;
312 int id;
313
314 struct snd_soc_dapm_widget *widget;
315 struct list_head list; /* list in sdev widget list */
316
317 void *private; /* core does not touch this */
318};
319
320/* ASoC SOF DAPM route */
321struct snd_sof_route {
322 struct snd_sof_dev *sdev;
323
324 struct snd_soc_dapm_route *route;
325 struct list_head list; /* list in sdev route list */
326
327 void *private;
328};
329
330/* ASoC DAI device */
331struct snd_sof_dai {
332 struct snd_sof_dev *sdev;
333 const char *name;
334
335 struct sof_ipc_comp_dai comp_dai;
336 struct sof_ipc_dai_config *dai_config;
337 struct list_head list; /* list in sdev dai list */
338};
339
340/*
341 * SOF Device Level.
342 */
343struct snd_sof_dev {
344 struct device *dev;
345 spinlock_t ipc_lock; /* lock for IPC users */
346 spinlock_t hw_lock; /* lock for HW IO access */
347
348 /*
349 * ASoC components. plat_drv fields are set dynamically so
350 * can't use const
351 */
352 struct snd_soc_component_driver plat_drv;
353
354 /* DSP firmware boot */
355 wait_queue_head_t boot_wait;
356 u32 boot_complete;
357 u32 first_boot;
358
359 /* work queue in case the probe is implemented in two steps */
360 struct work_struct probe_work;
361
362 /* DSP HW differentiation */
363 struct snd_sof_pdata *pdata;
364
365 /* IPC */
366 struct snd_sof_ipc *ipc;
367 struct snd_sof_mailbox dsp_box; /* DSP initiated IPC */
368 struct snd_sof_mailbox host_box; /* Host initiated IPC */
369 struct snd_sof_mailbox stream_box; /* Stream position update */
370 struct snd_sof_ipc_msg *msg;
371 int ipc_irq;
372 u32 next_comp_id; /* monotonic - reset during S3 */
373
374 /* memory bases for mmaped DSPs - set by dsp_init() */
375 void __iomem *bar[SND_SOF_BARS]; /* DSP base address */
376 int mmio_bar;
377 int mailbox_bar;
378 size_t dsp_oops_offset;
379
380 /* debug */
381 struct dentry *debugfs_root;
382 struct list_head dfsentry_list;
383
384 /* firmware loader */
385 struct snd_dma_buffer dmab;
386 struct snd_dma_buffer dmab_bdl;
387 struct sof_ipc_fw_ready fw_ready;
388 struct sof_ipc_fw_version fw_version;
389
390 /* topology */
391 struct snd_soc_tplg_ops *tplg_ops;
392 struct list_head pcm_list;
393 struct list_head kcontrol_list;
394 struct list_head widget_list;
395 struct list_head dai_list;
396 struct list_head route_list;
397 struct snd_soc_component *component;
398 u32 enabled_cores_mask; /* keep track of enabled cores */
399
400 /* FW configuration */
401 struct sof_ipc_dma_buffer_data *info_buffer;
402 struct sof_ipc_window *info_window;
403
404 /* IPC timeouts in ms */
405 int ipc_timeout;
406 int boot_timeout;
407
408 /* Wait queue for code loading */
409 wait_queue_head_t waitq;
410 int code_loading;
411
412 /* DMA for Trace */
413 struct snd_dma_buffer dmatb;
414 struct snd_dma_buffer dmatp;
415 int dma_trace_pages;
416 wait_queue_head_t trace_sleep;
417 u32 host_offset;
418 u32 dtrace_is_enabled;
419 u32 dtrace_error;
420 u32 msi_enabled;
421
422 void *private; /* core does not touch this */
423};
424
425/*
426 * Device Level.
427 */
428
429int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data);
430int snd_sof_device_remove(struct device *dev);
431
432int snd_sof_runtime_suspend(struct device *dev);
433int snd_sof_runtime_resume(struct device *dev);
434int snd_sof_resume(struct device *dev);
435int snd_sof_suspend(struct device *dev);
436
437void snd_sof_new_platform_drv(struct snd_sof_dev *sdev);
438
439int snd_sof_create_page_table(struct snd_sof_dev *sdev,
440 struct snd_dma_buffer *dmab,
441 unsigned char *page_table, size_t size);
442
443/*
444 * Firmware loading.
445 */
446int snd_sof_load_firmware(struct snd_sof_dev *sdev);
447int snd_sof_load_firmware_raw(struct snd_sof_dev *sdev);
448int snd_sof_load_firmware_memcpy(struct snd_sof_dev *sdev);
449int snd_sof_run_firmware(struct snd_sof_dev *sdev);
450int snd_sof_parse_module_memcpy(struct snd_sof_dev *sdev,
451 struct snd_sof_mod_hdr *module);
452void snd_sof_fw_unload(struct snd_sof_dev *sdev);
453int snd_sof_fw_parse_ext_data(struct snd_sof_dev *sdev, u32 bar, u32 offset);
454
455/*
456 * IPC low level APIs.
457 */
458struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev);
459void snd_sof_ipc_free(struct snd_sof_dev *sdev);
460int snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id);
461void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev);
462int snd_sof_ipc_stream_pcm_params(struct snd_sof_dev *sdev,
463 struct sof_ipc_pcm_params *params);
464int snd_sof_dsp_mailbox_init(struct snd_sof_dev *sdev, u32 dspbox,
465 size_t dspbox_size, u32 hostbox,
466 size_t hostbox_size);
467int snd_sof_ipc_valid(struct snd_sof_dev *sdev);
468int sof_ipc_tx_message(struct snd_sof_ipc *ipc, u32 header,
469 void *msg_data, size_t msg_bytes, void *reply_data,
470 size_t reply_bytes);
471struct snd_sof_widget *snd_sof_find_swidget(struct snd_sof_dev *sdev,
472 const char *name);
473struct snd_sof_widget *snd_sof_find_swidget_sname(struct snd_sof_dev *sdev,
474 const char *pcm_name,
475 int dir);
476struct snd_sof_dai *snd_sof_find_dai(struct snd_sof_dev *sdev,
477 const char *name);
478
479static inline
480struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_sof_dev *sdev,
481 struct snd_soc_pcm_runtime *rtd)
482{
483 struct snd_sof_pcm *spcm = NULL;
484
485 list_for_each_entry(spcm, &sdev->pcm_list, list) {
486 if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id)
487 return spcm;
488 }
489
490 return NULL;
491}
492
493struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_sof_dev *sdev,
494 const char *name);
495struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_sof_dev *sdev,
496 unsigned int comp_id,
497 int *direction);
498struct snd_sof_pcm *snd_sof_find_spcm_pcm_id(struct snd_sof_dev *sdev,
499 unsigned int pcm_id);
500void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream);
501
502/*
503 * Stream IPC
504 */
505int snd_sof_ipc_stream_posn(struct snd_sof_dev *sdev,
506 struct snd_sof_pcm *spcm, int direction,
507 struct sof_ipc_stream_posn *posn);
508
509/*
510 * Mixer IPC
511 */
512int snd_sof_ipc_set_get_comp_data(struct snd_sof_ipc *ipc,
513 struct snd_sof_control *scontrol, u32 ipc_cmd,
514 enum sof_ipc_ctrl_type ctrl_type,
515 enum sof_ipc_ctrl_cmd ctrl_cmd,
516 bool send);
517
518/*
519 * Topology.
520 * There is no snd_sof_free_topology since topology components will
521 * be freed by snd_soc_unregister_component,
522 */
523int snd_sof_init_topology(struct snd_sof_dev *sdev,
524 struct snd_soc_tplg_ops *ops);
525int snd_sof_load_topology(struct snd_sof_dev *sdev, const char *file);
526int snd_sof_complete_pipeline(struct snd_sof_dev *sdev,
527 struct snd_sof_widget *swidget);
528
529int sof_load_pipeline_ipc(struct snd_sof_dev *sdev,
530 struct sof_ipc_pipe_new *pipeline,
531 struct sof_ipc_comp_reply *r);
532
533/*
534 * Trace/debug
535 */
536int snd_sof_init_trace(struct snd_sof_dev *sdev);
537void snd_sof_release_trace(struct snd_sof_dev *sdev);
538void snd_sof_free_trace(struct snd_sof_dev *sdev);
539int snd_sof_dbg_init(struct snd_sof_dev *sdev);
540void snd_sof_free_debug(struct snd_sof_dev *sdev);
541int snd_sof_debugfs_io_item(struct snd_sof_dev *sdev,
542 void __iomem *base, size_t size,
543 const char *name,
544 enum sof_debugfs_access_type access_type);
545int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev,
546 void *base, size_t size,
547 const char *name);
548int snd_sof_trace_update_pos(struct snd_sof_dev *sdev,
549 struct sof_ipc_dma_trace_posn *posn);
550void snd_sof_trace_notify_for_error(struct snd_sof_dev *sdev);
551void snd_sof_get_status(struct snd_sof_dev *sdev, u32 panic_code,
552 u32 tracep_code, void *oops,
553 struct sof_ipc_panic_info *panic_info,
554 void *stack, size_t stack_words);
555int snd_sof_init_trace_ipc(struct snd_sof_dev *sdev);
556
557/*
558 * Platform specific ops.
559 */
560extern struct snd_compr_ops sof_compressed_ops;
561
562/*
563 * Kcontrols.
564 */
565
566int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
567 struct snd_ctl_elem_value *ucontrol);
568int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
569 struct snd_ctl_elem_value *ucontrol);
570int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
571 struct snd_ctl_elem_value *ucontrol);
572int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
573 struct snd_ctl_elem_value *ucontrol);
574int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
575 struct snd_ctl_elem_value *ucontrol);
576int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
577 struct snd_ctl_elem_value *ucontrol);
578int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
579 struct snd_ctl_elem_value *ucontrol);
580int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
581 struct snd_ctl_elem_value *ucontrol);
582int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
583 const unsigned int __user *binary_data,
584 unsigned int size);
585int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
586 unsigned int __user *binary_data,
587 unsigned int size);
588
589/*
590 * DSP Architectures.
591 */
592static inline void sof_stack(struct snd_sof_dev *sdev, void *oops, u32 *stack,
593 u32 stack_words)
594{
595 if (sof_arch_ops(sdev)->dsp_stack)
596 sof_arch_ops(sdev)->dsp_stack(sdev, oops, stack, stack_words);
597}
598
599static inline void sof_oops(struct snd_sof_dev *sdev, void *oops)
600{
601 if (sof_arch_ops(sdev)->dsp_oops)
602 sof_arch_ops(sdev)->dsp_oops(sdev, oops);
603}
604
605extern const struct sof_arch_ops sof_xtensa_arch_ops;
606
607/*
608 * Utilities
609 */
610void sof_io_write(struct snd_sof_dev *sdev, void __iomem *addr, u32 value);
611void sof_io_write64(struct snd_sof_dev *sdev, void __iomem *addr, u64 value);
612u32 sof_io_read(struct snd_sof_dev *sdev, void __iomem *addr);
613u64 sof_io_read64(struct snd_sof_dev *sdev, void __iomem *addr);
614void sof_mailbox_write(struct snd_sof_dev *sdev, u32 offset,
615 void *message, size_t bytes);
616void sof_mailbox_read(struct snd_sof_dev *sdev, u32 offset,
617 void *message, size_t bytes);
618void sof_block_write(struct snd_sof_dev *sdev, u32 bar, u32 offset, void *src,
619 size_t size);
620void sof_block_read(struct snd_sof_dev *sdev, u32 bar, u32 offset, void *dest,
621 size_t size);
622
623void intel_ipc_msg_data(struct snd_sof_dev *sdev,
624 struct snd_pcm_substream *substream,
625 void *p, size_t sz);
626int intel_ipc_pcm_params(struct snd_sof_dev *sdev,
627 struct snd_pcm_substream *substream,
628 const struct sof_ipc_pcm_params_reply *reply);
629
630int intel_pcm_open(struct snd_sof_dev *sdev,
631 struct snd_pcm_substream *substream);
632int intel_pcm_close(struct snd_sof_dev *sdev,
633 struct snd_pcm_substream *substream);
634
635#endif