tjh.dev
Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: (GPL-2.0-only 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#include <sound/hdaudio.h>
16#include <sound/sof.h>
17#include <sound/sof/info.h>
18#include <sound/sof/pm.h>
19#include <sound/sof/trace.h>
20#include <uapi/sound/sof/fw.h>
21#include <sound/sof/ext_manifest.h>
22
23/* debug flags */
24#define SOF_DBG_ENABLE_TRACE BIT(0)
25#define SOF_DBG_RETAIN_CTX BIT(1) /* prevent DSP D3 on FW exception */
26
27#define SOF_DBG_DUMP_REGS BIT(0)
28#define SOF_DBG_DUMP_MBOX BIT(1)
29#define SOF_DBG_DUMP_TEXT BIT(2)
30#define SOF_DBG_DUMP_PCI BIT(3)
31#define SOF_DBG_DUMP_FORCE_ERR_LEVEL BIT(4) /* used to dump dsp status with error log level */
32
33
34/* global debug state set by SOF_DBG_ flags */
35extern int sof_core_debug;
36
37/* max BARs mmaped devices can use */
38#define SND_SOF_BARS 8
39
40/* time in ms for runtime suspend delay */
41#define SND_SOF_SUSPEND_DELAY_MS 2000
42
43/* DMA buffer size for trace */
44#define DMA_BUF_SIZE_FOR_TRACE (PAGE_SIZE * 16)
45
46#define SOF_IPC_DSP_REPLY 0
47#define SOF_IPC_HOST_REPLY 1
48
49/* convenience constructor for DAI driver streams */
50#define SOF_DAI_STREAM(sname, scmin, scmax, srates, sfmt) \
51 {.stream_name = sname, .channels_min = scmin, .channels_max = scmax, \
52 .rates = srates, .formats = sfmt}
53
54#define SOF_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
55 SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_FLOAT)
56
57#define ENABLE_DEBUGFS_CACHEBUF \
58 (IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) || \
59 IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST))
60
61/* So far the primary core on all DSPs has ID 0 */
62#define SOF_DSP_PRIMARY_CORE 0
63
64/* DSP power state */
65enum sof_dsp_power_states {
66 SOF_DSP_PM_D0,
67 SOF_DSP_PM_D1,
68 SOF_DSP_PM_D2,
69 SOF_DSP_PM_D3_HOT,
70 SOF_DSP_PM_D3,
71 SOF_DSP_PM_D3_COLD,
72};
73
74struct sof_dsp_power_state {
75 u32 state;
76 u32 substate; /* platform-specific */
77};
78
79/* System suspend target state */
80enum sof_system_suspend_state {
81 SOF_SUSPEND_NONE = 0,
82 SOF_SUSPEND_S0IX,
83 SOF_SUSPEND_S3,
84};
85
86struct snd_sof_dev;
87struct snd_sof_ipc_msg;
88struct snd_sof_ipc;
89struct snd_sof_debugfs_map;
90struct snd_soc_tplg_ops;
91struct snd_soc_component;
92struct snd_sof_pdata;
93
94/*
95 * SOF DSP HW abstraction operations.
96 * Used to abstract DSP HW architecture and any IO busses between host CPU
97 * and DSP device(s).
98 */
99struct snd_sof_dsp_ops {
100
101 /* probe and remove */
102 int (*probe)(struct snd_sof_dev *sof_dev); /* mandatory */
103 int (*remove)(struct snd_sof_dev *sof_dev); /* optional */
104
105 /* DSP core boot / reset */
106 int (*run)(struct snd_sof_dev *sof_dev); /* mandatory */
107 int (*stall)(struct snd_sof_dev *sof_dev, unsigned int core_mask); /* optional */
108 int (*reset)(struct snd_sof_dev *sof_dev); /* optional */
109 int (*core_power_up)(struct snd_sof_dev *sof_dev,
110 unsigned int core_mask); /* optional */
111 int (*core_power_down)(struct snd_sof_dev *sof_dev,
112 unsigned int core_mask); /* optional */
113
114 /*
115 * Register IO: only used by respective drivers themselves,
116 * TODO: consider removing these operations and calling respective
117 * implementations directly
118 */
119 void (*write)(struct snd_sof_dev *sof_dev, void __iomem *addr,
120 u32 value); /* optional */
121 u32 (*read)(struct snd_sof_dev *sof_dev,
122 void __iomem *addr); /* optional */
123 void (*write64)(struct snd_sof_dev *sof_dev, void __iomem *addr,
124 u64 value); /* optional */
125 u64 (*read64)(struct snd_sof_dev *sof_dev,
126 void __iomem *addr); /* optional */
127
128 /* memcpy IO */
129 void (*block_read)(struct snd_sof_dev *sof_dev, u32 bar,
130 u32 offset, void *dest,
131 size_t size); /* mandatory */
132 void (*block_write)(struct snd_sof_dev *sof_dev, u32 bar,
133 u32 offset, void *src,
134 size_t size); /* mandatory */
135
136 /* doorbell */
137 irqreturn_t (*irq_handler)(int irq, void *context); /* optional */
138 irqreturn_t (*irq_thread)(int irq, void *context); /* optional */
139
140 /* ipc */
141 int (*send_msg)(struct snd_sof_dev *sof_dev,
142 struct snd_sof_ipc_msg *msg); /* mandatory */
143
144 /* FW loading */
145 int (*load_firmware)(struct snd_sof_dev *sof_dev); /* mandatory */
146 int (*load_module)(struct snd_sof_dev *sof_dev,
147 struct snd_sof_mod_hdr *hdr); /* optional */
148 /*
149 * FW ready checks for ABI compatibility and creates
150 * memory windows at first boot
151 */
152 int (*fw_ready)(struct snd_sof_dev *sdev, u32 msg_id); /* mandatory */
153
154 /* connect pcm substream to a host stream */
155 int (*pcm_open)(struct snd_sof_dev *sdev,
156 struct snd_pcm_substream *substream); /* optional */
157 /* disconnect pcm substream to a host stream */
158 int (*pcm_close)(struct snd_sof_dev *sdev,
159 struct snd_pcm_substream *substream); /* optional */
160
161 /* host stream hw params */
162 int (*pcm_hw_params)(struct snd_sof_dev *sdev,
163 struct snd_pcm_substream *substream,
164 struct snd_pcm_hw_params *params,
165 struct sof_ipc_stream_params *ipc_params); /* optional */
166
167 /* host stream hw_free */
168 int (*pcm_hw_free)(struct snd_sof_dev *sdev,
169 struct snd_pcm_substream *substream); /* optional */
170
171 /* host stream trigger */
172 int (*pcm_trigger)(struct snd_sof_dev *sdev,
173 struct snd_pcm_substream *substream,
174 int cmd); /* optional */
175
176 /* host stream pointer */
177 snd_pcm_uframes_t (*pcm_pointer)(struct snd_sof_dev *sdev,
178 struct snd_pcm_substream *substream); /* optional */
179
180#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
181 /* Except for probe_pointer, all probe ops are mandatory */
182 int (*probe_assign)(struct snd_sof_dev *sdev,
183 struct snd_compr_stream *cstream,
184 struct snd_soc_dai *dai); /* mandatory */
185 int (*probe_free)(struct snd_sof_dev *sdev,
186 struct snd_compr_stream *cstream,
187 struct snd_soc_dai *dai); /* mandatory */
188 int (*probe_set_params)(struct snd_sof_dev *sdev,
189 struct snd_compr_stream *cstream,
190 struct snd_compr_params *params,
191 struct snd_soc_dai *dai); /* mandatory */
192 int (*probe_trigger)(struct snd_sof_dev *sdev,
193 struct snd_compr_stream *cstream, int cmd,
194 struct snd_soc_dai *dai); /* mandatory */
195 int (*probe_pointer)(struct snd_sof_dev *sdev,
196 struct snd_compr_stream *cstream,
197 struct snd_compr_tstamp *tstamp,
198 struct snd_soc_dai *dai); /* optional */
199#endif
200
201 /* host read DSP stream data */
202 void (*ipc_msg_data)(struct snd_sof_dev *sdev,
203 struct snd_pcm_substream *substream,
204 void *p, size_t sz); /* mandatory */
205
206 /* host configure DSP HW parameters */
207 int (*ipc_pcm_params)(struct snd_sof_dev *sdev,
208 struct snd_pcm_substream *substream,
209 const struct sof_ipc_pcm_params_reply *reply); /* mandatory */
210
211 /* pre/post firmware run */
212 int (*pre_fw_run)(struct snd_sof_dev *sof_dev); /* optional */
213 int (*post_fw_run)(struct snd_sof_dev *sof_dev); /* optional */
214
215 /* parse platform specific extended manifest, optional */
216 int (*parse_platform_ext_manifest)(struct snd_sof_dev *sof_dev,
217 const struct sof_ext_man_elem_header *hdr);
218
219 /* DSP PM */
220 int (*suspend)(struct snd_sof_dev *sof_dev,
221 u32 target_state); /* optional */
222 int (*resume)(struct snd_sof_dev *sof_dev); /* optional */
223 int (*runtime_suspend)(struct snd_sof_dev *sof_dev); /* optional */
224 int (*runtime_resume)(struct snd_sof_dev *sof_dev); /* optional */
225 int (*runtime_idle)(struct snd_sof_dev *sof_dev); /* optional */
226 int (*set_hw_params_upon_resume)(struct snd_sof_dev *sdev); /* optional */
227 int (*set_power_state)(struct snd_sof_dev *sdev,
228 const struct sof_dsp_power_state *target_state); /* optional */
229
230 /* DSP clocking */
231 int (*set_clk)(struct snd_sof_dev *sof_dev, u32 freq); /* optional */
232
233 /* debug */
234 const struct snd_sof_debugfs_map *debug_map; /* optional */
235 int debug_map_count; /* optional */
236 void (*dbg_dump)(struct snd_sof_dev *sof_dev,
237 u32 flags); /* optional */
238 void (*ipc_dump)(struct snd_sof_dev *sof_dev); /* optional */
239
240 /* host DMA trace initialization */
241 int (*trace_init)(struct snd_sof_dev *sdev,
242 u32 *stream_tag); /* optional */
243 int (*trace_release)(struct snd_sof_dev *sdev); /* optional */
244 int (*trace_trigger)(struct snd_sof_dev *sdev,
245 int cmd); /* optional */
246
247 /* misc */
248 int (*get_bar_index)(struct snd_sof_dev *sdev,
249 u32 type); /* optional */
250 int (*get_mailbox_offset)(struct snd_sof_dev *sdev);/* mandatory for common loader code */
251 int (*get_window_offset)(struct snd_sof_dev *sdev,
252 u32 id);/* mandatory for common loader code */
253
254 /* machine driver ops */
255 int (*machine_register)(struct snd_sof_dev *sdev,
256 void *pdata); /* optional */
257 void (*machine_unregister)(struct snd_sof_dev *sdev,
258 void *pdata); /* optional */
259 void (*machine_select)(struct snd_sof_dev *sdev); /* optional */
260 void (*set_mach_params)(const struct snd_soc_acpi_mach *mach,
261 struct device *dev); /* optional */
262
263 /* DAI ops */
264 struct snd_soc_dai_driver *drv;
265 int num_drv;
266
267 /* ALSA HW info flags, will be stored in snd_pcm_runtime.hw.info */
268 u32 hw_info;
269
270 const struct sof_arch_ops *arch_ops;
271};
272
273/* DSP architecture specific callbacks for oops and stack dumps */
274struct sof_arch_ops {
275 void (*dsp_oops)(struct snd_sof_dev *sdev, void *oops);
276 void (*dsp_stack)(struct snd_sof_dev *sdev, void *oops,
277 u32 *stack, u32 stack_words);
278};
279
280#define sof_arch_ops(sdev) ((sdev)->pdata->desc->ops->arch_ops)
281
282/* DSP device HW descriptor mapping between bus ID and ops */
283struct sof_ops_table {
284 const struct sof_dev_desc *desc;
285 const struct snd_sof_dsp_ops *ops;
286};
287
288enum sof_dfsentry_type {
289 SOF_DFSENTRY_TYPE_IOMEM = 0,
290 SOF_DFSENTRY_TYPE_BUF,
291};
292
293enum sof_debugfs_access_type {
294 SOF_DEBUGFS_ACCESS_ALWAYS = 0,
295 SOF_DEBUGFS_ACCESS_D0_ONLY,
296};
297
298/* FS entry for debug files that can expose DSP memories, registers */
299struct snd_sof_dfsentry {
300 size_t size;
301 size_t buf_data_size; /* length of buffered data for file read operation */
302 enum sof_dfsentry_type type;
303 /*
304 * access_type specifies if the
305 * memory -> DSP resource (memory, register etc) is always accessible
306 * or if it is accessible only when the DSP is in D0.
307 */
308 enum sof_debugfs_access_type access_type;
309#if ENABLE_DEBUGFS_CACHEBUF
310 char *cache_buf; /* buffer to cache the contents of debugfs memory */
311#endif
312 struct snd_sof_dev *sdev;
313 struct list_head list; /* list in sdev dfsentry list */
314 union {
315 void __iomem *io_mem;
316 void *buf;
317 };
318};
319
320/* Debug mapping for any DSP memory or registers that can used for debug */
321struct snd_sof_debugfs_map {
322 const char *name;
323 u32 bar;
324 u32 offset;
325 u32 size;
326 /*
327 * access_type specifies if the memory is always accessible
328 * or if it is accessible only when the DSP is in D0.
329 */
330 enum sof_debugfs_access_type access_type;
331};
332
333/* mailbox descriptor, used for host <-> DSP IPC */
334struct snd_sof_mailbox {
335 u32 offset;
336 size_t size;
337};
338
339/* IPC message descriptor for host <-> DSP IO */
340struct snd_sof_ipc_msg {
341 /* message data */
342 u32 header;
343 void *msg_data;
344 void *reply_data;
345 size_t msg_size;
346 size_t reply_size;
347 int reply_error;
348
349 wait_queue_head_t waitq;
350 bool ipc_complete;
351};
352
353enum snd_sof_fw_state {
354 SOF_FW_BOOT_NOT_STARTED = 0,
355 SOF_FW_BOOT_PREPARE,
356 SOF_FW_BOOT_IN_PROGRESS,
357 SOF_FW_BOOT_FAILED,
358 SOF_FW_BOOT_READY_FAILED, /* firmware booted but fw_ready op failed */
359 SOF_FW_BOOT_COMPLETE,
360};
361
362/*
363 * SOF Device Level.
364 */
365struct snd_sof_dev {
366 struct device *dev;
367 spinlock_t ipc_lock; /* lock for IPC users */
368 spinlock_t hw_lock; /* lock for HW IO access */
369
370 /*
371 * ASoC components. plat_drv fields are set dynamically so
372 * can't use const
373 */
374 struct snd_soc_component_driver plat_drv;
375
376 /* current DSP power state */
377 struct sof_dsp_power_state dsp_power_state;
378
379 /* Intended power target of system suspend */
380 enum sof_system_suspend_state system_suspend_target;
381
382 /* DSP firmware boot */
383 wait_queue_head_t boot_wait;
384 enum snd_sof_fw_state fw_state;
385 bool first_boot;
386
387 /* work queue in case the probe is implemented in two steps */
388 struct work_struct probe_work;
389
390 /* DSP HW differentiation */
391 struct snd_sof_pdata *pdata;
392
393 /* IPC */
394 struct snd_sof_ipc *ipc;
395 struct snd_sof_mailbox dsp_box; /* DSP initiated IPC */
396 struct snd_sof_mailbox host_box; /* Host initiated IPC */
397 struct snd_sof_mailbox stream_box; /* Stream position update */
398 struct snd_sof_mailbox debug_box; /* Debug info updates */
399 struct snd_sof_ipc_msg *msg;
400 int ipc_irq;
401 u32 next_comp_id; /* monotonic - reset during S3 */
402
403 /* memory bases for mmaped DSPs - set by dsp_init() */
404 void __iomem *bar[SND_SOF_BARS]; /* DSP base address */
405 int mmio_bar;
406 int mailbox_bar;
407 size_t dsp_oops_offset;
408
409 /* debug */
410 struct dentry *debugfs_root;
411 struct list_head dfsentry_list;
412
413 /* firmware loader */
414 struct snd_dma_buffer dmab;
415 struct snd_dma_buffer dmab_bdl;
416 struct sof_ipc_fw_ready fw_ready;
417 struct sof_ipc_fw_version fw_version;
418 struct sof_ipc_cc_version *cc_version;
419
420 /* topology */
421 struct snd_soc_tplg_ops *tplg_ops;
422 struct list_head pcm_list;
423 struct list_head kcontrol_list;
424 struct list_head widget_list;
425 struct list_head dai_list;
426 struct list_head route_list;
427 struct snd_soc_component *component;
428 u32 enabled_cores_mask; /* keep track of enabled cores */
429
430 /* FW configuration */
431 struct sof_ipc_window *info_window;
432
433 /* IPC timeouts in ms */
434 int ipc_timeout;
435 int boot_timeout;
436
437#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
438 unsigned int extractor_stream_tag;
439#endif
440
441 /* DMA for Trace */
442 struct snd_dma_buffer dmatb;
443 struct snd_dma_buffer dmatp;
444 int dma_trace_pages;
445 wait_queue_head_t trace_sleep;
446 u32 host_offset;
447 bool dtrace_is_supported; /* set with Kconfig or module parameter */
448 bool dtrace_is_enabled;
449 bool dtrace_error;
450 bool dtrace_draining;
451
452 bool msi_enabled;
453
454 void *private; /* core does not touch this */
455};
456
457/*
458 * Device Level.
459 */
460
461int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data);
462int snd_sof_device_remove(struct device *dev);
463
464int snd_sof_runtime_suspend(struct device *dev);
465int snd_sof_runtime_resume(struct device *dev);
466int snd_sof_runtime_idle(struct device *dev);
467int snd_sof_resume(struct device *dev);
468int snd_sof_suspend(struct device *dev);
469int snd_sof_dsp_power_down_notify(struct snd_sof_dev *sdev);
470int snd_sof_prepare(struct device *dev);
471void snd_sof_complete(struct device *dev);
472
473void snd_sof_new_platform_drv(struct snd_sof_dev *sdev);
474
475int snd_sof_create_page_table(struct device *dev,
476 struct snd_dma_buffer *dmab,
477 unsigned char *page_table, size_t size);
478
479/*
480 * Firmware loading.
481 */
482int snd_sof_load_firmware(struct snd_sof_dev *sdev);
483int snd_sof_load_firmware_raw(struct snd_sof_dev *sdev);
484int snd_sof_load_firmware_memcpy(struct snd_sof_dev *sdev);
485int snd_sof_run_firmware(struct snd_sof_dev *sdev);
486int snd_sof_parse_module_memcpy(struct snd_sof_dev *sdev,
487 struct snd_sof_mod_hdr *module);
488void snd_sof_fw_unload(struct snd_sof_dev *sdev);
489int snd_sof_fw_parse_ext_data(struct snd_sof_dev *sdev, u32 bar, u32 offset);
490
491/*
492 * IPC low level APIs.
493 */
494struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev);
495void snd_sof_ipc_free(struct snd_sof_dev *sdev);
496void snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id);
497void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev);
498int snd_sof_ipc_stream_pcm_params(struct snd_sof_dev *sdev,
499 struct sof_ipc_pcm_params *params);
500int snd_sof_dsp_mailbox_init(struct snd_sof_dev *sdev, u32 dspbox,
501 size_t dspbox_size, u32 hostbox,
502 size_t hostbox_size);
503int snd_sof_ipc_valid(struct snd_sof_dev *sdev);
504int sof_ipc_tx_message(struct snd_sof_ipc *ipc, u32 header,
505 void *msg_data, size_t msg_bytes, void *reply_data,
506 size_t reply_bytes);
507int sof_ipc_tx_message_no_pm(struct snd_sof_ipc *ipc, u32 header,
508 void *msg_data, size_t msg_bytes,
509 void *reply_data, size_t reply_bytes);
510
511/*
512 * Trace/debug
513 */
514int snd_sof_init_trace(struct snd_sof_dev *sdev);
515void snd_sof_release_trace(struct snd_sof_dev *sdev);
516void snd_sof_free_trace(struct snd_sof_dev *sdev);
517int snd_sof_dbg_init(struct snd_sof_dev *sdev);
518void snd_sof_free_debug(struct snd_sof_dev *sdev);
519int snd_sof_debugfs_io_item(struct snd_sof_dev *sdev,
520 void __iomem *base, size_t size,
521 const char *name,
522 enum sof_debugfs_access_type access_type);
523int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev,
524 void *base, size_t size,
525 const char *name, mode_t mode);
526int snd_sof_trace_update_pos(struct snd_sof_dev *sdev,
527 struct sof_ipc_dma_trace_posn *posn);
528void snd_sof_trace_notify_for_error(struct snd_sof_dev *sdev);
529void snd_sof_get_status(struct snd_sof_dev *sdev, u32 panic_code,
530 u32 tracep_code, void *oops,
531 struct sof_ipc_panic_info *panic_info,
532 void *stack, size_t stack_words);
533int snd_sof_init_trace_ipc(struct snd_sof_dev *sdev);
534void snd_sof_handle_fw_exception(struct snd_sof_dev *sdev);
535int snd_sof_dbg_memory_info_init(struct snd_sof_dev *sdev);
536
537/*
538 * Platform specific ops.
539 */
540extern struct snd_compress_ops sof_compressed_ops;
541
542/*
543 * DSP Architectures.
544 */
545static inline void sof_stack(struct snd_sof_dev *sdev, void *oops, u32 *stack,
546 u32 stack_words)
547{
548 sof_arch_ops(sdev)->dsp_stack(sdev, oops, stack, stack_words);
549}
550
551static inline void sof_oops(struct snd_sof_dev *sdev, void *oops)
552{
553 if (sof_arch_ops(sdev)->dsp_oops)
554 sof_arch_ops(sdev)->dsp_oops(sdev, oops);
555}
556
557extern const struct sof_arch_ops sof_xtensa_arch_ops;
558
559/*
560 * Utilities
561 */
562void sof_io_write(struct snd_sof_dev *sdev, void __iomem *addr, u32 value);
563void sof_io_write64(struct snd_sof_dev *sdev, void __iomem *addr, u64 value);
564u32 sof_io_read(struct snd_sof_dev *sdev, void __iomem *addr);
565u64 sof_io_read64(struct snd_sof_dev *sdev, void __iomem *addr);
566void sof_mailbox_write(struct snd_sof_dev *sdev, u32 offset,
567 void *message, size_t bytes);
568void sof_mailbox_read(struct snd_sof_dev *sdev, u32 offset,
569 void *message, size_t bytes);
570void sof_block_write(struct snd_sof_dev *sdev, u32 bar, u32 offset, void *src,
571 size_t size);
572void sof_block_read(struct snd_sof_dev *sdev, u32 bar, u32 offset, void *dest,
573 size_t size);
574
575int sof_fw_ready(struct snd_sof_dev *sdev, u32 msg_id);
576
577void intel_ipc_msg_data(struct snd_sof_dev *sdev,
578 struct snd_pcm_substream *substream,
579 void *p, size_t sz);
580int intel_ipc_pcm_params(struct snd_sof_dev *sdev,
581 struct snd_pcm_substream *substream,
582 const struct sof_ipc_pcm_params_reply *reply);
583
584int intel_pcm_open(struct snd_sof_dev *sdev,
585 struct snd_pcm_substream *substream);
586int intel_pcm_close(struct snd_sof_dev *sdev,
587 struct snd_pcm_substream *substream);
588
589int sof_machine_check(struct snd_sof_dev *sdev);
590
591#define sof_dev_dbg_or_err(dev, is_err, fmt, ...) \
592 do { \
593 if (is_err) \
594 dev_err(dev, "error: " fmt, __VA_ARGS__); \
595 else \
596 dev_dbg(dev, fmt, __VA_ARGS__); \
597 } while (0)
598
599#endif