xref: /openbmc/linux/sound/soc/sof/sof-priv.h (revision b4a6aaea)
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 #define SOF_DBG_VERIFY_TPLG	BIT(2) /* verify topology during load */
27 #define SOF_DBG_DYNAMIC_PIPELINES_OVERRIDE	BIT(3) /* 0: use topology token
28 							* 1: override topology
29 							*/
30 #define SOF_DBG_DYNAMIC_PIPELINES_ENABLE	BIT(4) /* 0: use static pipelines
31 							* 1: use dynamic pipelines
32 							*/
33 #define SOF_DBG_DISABLE_MULTICORE		BIT(5) /* schedule all pipelines/widgets
34 							* on primary core
35 							*/
36 #define SOF_DBG_PRINT_ALL_DUMPS		BIT(6) /* Print all ipc and dsp dumps */
37 
38 #define SOF_DBG_DUMP_REGS		BIT(0)
39 #define SOF_DBG_DUMP_MBOX		BIT(1)
40 #define SOF_DBG_DUMP_TEXT		BIT(2)
41 #define SOF_DBG_DUMP_PCI		BIT(3)
42 #define SOF_DBG_DUMP_OPTIONAL		BIT(4) /* only dump if SOF_DBG_PRINT_ALL_DUMPS is set */
43 
44 /* global debug state set by SOF_DBG_ flags */
45 extern int sof_core_debug;
46 
47 /* max BARs mmaped devices can use */
48 #define SND_SOF_BARS	8
49 
50 /* time in ms for runtime suspend delay */
51 #define SND_SOF_SUSPEND_DELAY_MS	2000
52 
53 /* DMA buffer size for trace */
54 #define DMA_BUF_SIZE_FOR_TRACE (PAGE_SIZE * 16)
55 
56 #define SOF_IPC_DSP_REPLY		0
57 #define SOF_IPC_HOST_REPLY		1
58 
59 /* convenience constructor for DAI driver streams */
60 #define SOF_DAI_STREAM(sname, scmin, scmax, srates, sfmt) \
61 	{.stream_name = sname, .channels_min = scmin, .channels_max = scmax, \
62 	 .rates = srates, .formats = sfmt}
63 
64 #define SOF_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
65 	SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_FLOAT)
66 
67 #define ENABLE_DEBUGFS_CACHEBUF \
68 	(IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) || \
69 	 IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST))
70 
71 /* So far the primary core on all DSPs has ID 0 */
72 #define SOF_DSP_PRIMARY_CORE 0
73 
74 /* DSP power state */
75 enum sof_dsp_power_states {
76 	SOF_DSP_PM_D0,
77 	SOF_DSP_PM_D1,
78 	SOF_DSP_PM_D2,
79 	SOF_DSP_PM_D3_HOT,
80 	SOF_DSP_PM_D3,
81 	SOF_DSP_PM_D3_COLD,
82 };
83 
84 struct sof_dsp_power_state {
85 	u32 state;
86 	u32 substate; /* platform-specific */
87 };
88 
89 /* System suspend target state */
90 enum sof_system_suspend_state {
91 	SOF_SUSPEND_NONE = 0,
92 	SOF_SUSPEND_S0IX,
93 	SOF_SUSPEND_S3,
94 };
95 
96 enum sof_dfsentry_type {
97 	SOF_DFSENTRY_TYPE_IOMEM = 0,
98 	SOF_DFSENTRY_TYPE_BUF,
99 };
100 
101 enum sof_debugfs_access_type {
102 	SOF_DEBUGFS_ACCESS_ALWAYS = 0,
103 	SOF_DEBUGFS_ACCESS_D0_ONLY,
104 };
105 
106 struct snd_sof_dev;
107 struct snd_sof_ipc_msg;
108 struct snd_sof_ipc;
109 struct snd_sof_debugfs_map;
110 struct snd_soc_tplg_ops;
111 struct snd_soc_component;
112 struct snd_sof_pdata;
113 
114 /*
115  * SOF DSP HW abstraction operations.
116  * Used to abstract DSP HW architecture and any IO busses between host CPU
117  * and DSP device(s).
118  */
119 struct snd_sof_dsp_ops {
120 
121 	/* probe/remove/shutdown */
122 	int (*probe)(struct snd_sof_dev *sof_dev); /* mandatory */
123 	int (*remove)(struct snd_sof_dev *sof_dev); /* optional */
124 	int (*shutdown)(struct snd_sof_dev *sof_dev); /* optional */
125 
126 	/* DSP core boot / reset */
127 	int (*run)(struct snd_sof_dev *sof_dev); /* mandatory */
128 	int (*stall)(struct snd_sof_dev *sof_dev, unsigned int core_mask); /* optional */
129 	int (*reset)(struct snd_sof_dev *sof_dev); /* optional */
130 	int (*core_power_up)(struct snd_sof_dev *sof_dev,
131 			     unsigned int core_mask); /* optional */
132 	int (*core_power_down)(struct snd_sof_dev *sof_dev,
133 			       unsigned int core_mask); /* optional */
134 
135 	/*
136 	 * Register IO: only used by respective drivers themselves,
137 	 * TODO: consider removing these operations and calling respective
138 	 * implementations directly
139 	 */
140 	void (*write)(struct snd_sof_dev *sof_dev, void __iomem *addr,
141 		      u32 value); /* optional */
142 	u32 (*read)(struct snd_sof_dev *sof_dev,
143 		    void __iomem *addr); /* optional */
144 	void (*write64)(struct snd_sof_dev *sof_dev, void __iomem *addr,
145 			u64 value); /* optional */
146 	u64 (*read64)(struct snd_sof_dev *sof_dev,
147 		      void __iomem *addr); /* optional */
148 
149 	/* memcpy IO */
150 	int (*block_read)(struct snd_sof_dev *sof_dev,
151 			  enum snd_sof_fw_blk_type type, u32 offset,
152 			  void *dest, size_t size); /* mandatory */
153 	int (*block_write)(struct snd_sof_dev *sof_dev,
154 			   enum snd_sof_fw_blk_type type, u32 offset,
155 			   void *src, size_t size); /* mandatory */
156 
157 	/* Mailbox IO */
158 	void (*mailbox_read)(struct snd_sof_dev *sof_dev,
159 			     u32 offset, void *dest,
160 			     size_t size); /* optional */
161 	void (*mailbox_write)(struct snd_sof_dev *sof_dev,
162 			      u32 offset, void *src,
163 			      size_t size); /* optional */
164 
165 	/* doorbell */
166 	irqreturn_t (*irq_handler)(int irq, void *context); /* optional */
167 	irqreturn_t (*irq_thread)(int irq, void *context); /* optional */
168 
169 	/* ipc */
170 	int (*send_msg)(struct snd_sof_dev *sof_dev,
171 			struct snd_sof_ipc_msg *msg); /* mandatory */
172 
173 	/* FW loading */
174 	int (*load_firmware)(struct snd_sof_dev *sof_dev); /* mandatory */
175 	int (*load_module)(struct snd_sof_dev *sof_dev,
176 			   struct snd_sof_mod_hdr *hdr); /* optional */
177 	/*
178 	 * FW ready checks for ABI compatibility and creates
179 	 * memory windows at first boot
180 	 */
181 	int (*fw_ready)(struct snd_sof_dev *sdev, u32 msg_id); /* mandatory */
182 
183 	/* connect pcm substream to a host stream */
184 	int (*pcm_open)(struct snd_sof_dev *sdev,
185 			struct snd_pcm_substream *substream); /* optional */
186 	/* disconnect pcm substream to a host stream */
187 	int (*pcm_close)(struct snd_sof_dev *sdev,
188 			 struct snd_pcm_substream *substream); /* optional */
189 
190 	/* host stream hw params */
191 	int (*pcm_hw_params)(struct snd_sof_dev *sdev,
192 			     struct snd_pcm_substream *substream,
193 			     struct snd_pcm_hw_params *params,
194 			     struct sof_ipc_stream_params *ipc_params); /* optional */
195 
196 	/* host stream hw_free */
197 	int (*pcm_hw_free)(struct snd_sof_dev *sdev,
198 			   struct snd_pcm_substream *substream); /* optional */
199 
200 	/* host stream trigger */
201 	int (*pcm_trigger)(struct snd_sof_dev *sdev,
202 			   struct snd_pcm_substream *substream,
203 			   int cmd); /* optional */
204 
205 	/* host stream pointer */
206 	snd_pcm_uframes_t (*pcm_pointer)(struct snd_sof_dev *sdev,
207 					 struct snd_pcm_substream *substream); /* optional */
208 
209 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
210 	/* Except for probe_pointer, all probe ops are mandatory */
211 	int (*probe_assign)(struct snd_sof_dev *sdev,
212 			struct snd_compr_stream *cstream,
213 			struct snd_soc_dai *dai); /* mandatory */
214 	int (*probe_free)(struct snd_sof_dev *sdev,
215 			struct snd_compr_stream *cstream,
216 			struct snd_soc_dai *dai); /* mandatory */
217 	int (*probe_set_params)(struct snd_sof_dev *sdev,
218 			struct snd_compr_stream *cstream,
219 			struct snd_compr_params *params,
220 			struct snd_soc_dai *dai); /* mandatory */
221 	int (*probe_trigger)(struct snd_sof_dev *sdev,
222 			struct snd_compr_stream *cstream, int cmd,
223 			struct snd_soc_dai *dai); /* mandatory */
224 	int (*probe_pointer)(struct snd_sof_dev *sdev,
225 			struct snd_compr_stream *cstream,
226 			struct snd_compr_tstamp *tstamp,
227 			struct snd_soc_dai *dai); /* optional */
228 #endif
229 
230 	/* host read DSP stream data */
231 	int (*ipc_msg_data)(struct snd_sof_dev *sdev,
232 			    struct snd_pcm_substream *substream,
233 			    void *p, size_t sz); /* mandatory */
234 
235 	/* host configure DSP HW parameters */
236 	int (*ipc_pcm_params)(struct snd_sof_dev *sdev,
237 			      struct snd_pcm_substream *substream,
238 			      const struct sof_ipc_pcm_params_reply *reply); /* mandatory */
239 
240 	/* pre/post firmware run */
241 	int (*pre_fw_run)(struct snd_sof_dev *sof_dev); /* optional */
242 	int (*post_fw_run)(struct snd_sof_dev *sof_dev); /* optional */
243 
244 	/* parse platform specific extended manifest, optional */
245 	int (*parse_platform_ext_manifest)(struct snd_sof_dev *sof_dev,
246 					   const struct sof_ext_man_elem_header *hdr);
247 
248 	/* DSP PM */
249 	int (*suspend)(struct snd_sof_dev *sof_dev,
250 		       u32 target_state); /* optional */
251 	int (*resume)(struct snd_sof_dev *sof_dev); /* optional */
252 	int (*runtime_suspend)(struct snd_sof_dev *sof_dev); /* optional */
253 	int (*runtime_resume)(struct snd_sof_dev *sof_dev); /* optional */
254 	int (*runtime_idle)(struct snd_sof_dev *sof_dev); /* optional */
255 	int (*set_hw_params_upon_resume)(struct snd_sof_dev *sdev); /* optional */
256 	int (*set_power_state)(struct snd_sof_dev *sdev,
257 			       const struct sof_dsp_power_state *target_state); /* optional */
258 
259 	/* DSP clocking */
260 	int (*set_clk)(struct snd_sof_dev *sof_dev, u32 freq); /* optional */
261 
262 	/* debug */
263 	const struct snd_sof_debugfs_map *debug_map; /* optional */
264 	int debug_map_count; /* optional */
265 	void (*dbg_dump)(struct snd_sof_dev *sof_dev,
266 			 u32 flags); /* optional */
267 	void (*ipc_dump)(struct snd_sof_dev *sof_dev); /* optional */
268 	int (*debugfs_add_region_item)(struct snd_sof_dev *sdev,
269 				       enum snd_sof_fw_blk_type blk_type, u32 offset,
270 				       size_t size, const char *name,
271 				       enum sof_debugfs_access_type access_type); /* optional */
272 
273 	/* host DMA trace initialization */
274 	int (*trace_init)(struct snd_sof_dev *sdev,
275 			  u32 *stream_tag); /* optional */
276 	int (*trace_release)(struct snd_sof_dev *sdev); /* optional */
277 	int (*trace_trigger)(struct snd_sof_dev *sdev,
278 			     int cmd); /* optional */
279 
280 	/* misc */
281 	int (*get_bar_index)(struct snd_sof_dev *sdev,
282 			     u32 type); /* optional */
283 	int (*get_mailbox_offset)(struct snd_sof_dev *sdev);/* mandatory for common loader code */
284 	int (*get_window_offset)(struct snd_sof_dev *sdev,
285 				 u32 id);/* mandatory for common loader code */
286 
287 	/* machine driver ops */
288 	int (*machine_register)(struct snd_sof_dev *sdev,
289 				void *pdata); /* optional */
290 	void (*machine_unregister)(struct snd_sof_dev *sdev,
291 				   void *pdata); /* optional */
292 	void (*machine_select)(struct snd_sof_dev *sdev); /* optional */
293 	void (*set_mach_params)(const struct snd_soc_acpi_mach *mach,
294 				struct snd_sof_dev *sdev); /* optional */
295 
296 	/* DAI ops */
297 	struct snd_soc_dai_driver *drv;
298 	int num_drv;
299 
300 	/* ALSA HW info flags, will be stored in snd_pcm_runtime.hw.info */
301 	u32 hw_info;
302 
303 	const struct dsp_arch_ops *dsp_arch_ops;
304 };
305 
306 /* DSP architecture specific callbacks for oops and stack dumps */
307 struct dsp_arch_ops {
308 	void (*dsp_oops)(struct snd_sof_dev *sdev, void *oops);
309 	void (*dsp_stack)(struct snd_sof_dev *sdev, void *oops,
310 			  u32 *stack, u32 stack_words);
311 };
312 
313 #define sof_dsp_arch_ops(sdev) ((sdev)->pdata->desc->ops->dsp_arch_ops)
314 
315 /* FS entry for debug files that can expose DSP memories, registers */
316 struct snd_sof_dfsentry {
317 	size_t size;
318 	size_t buf_data_size;  /* length of buffered data for file read operation */
319 	enum sof_dfsentry_type type;
320 	/*
321 	 * access_type specifies if the
322 	 * memory -> DSP resource (memory, register etc) is always accessible
323 	 * or if it is accessible only when the DSP is in D0.
324 	 */
325 	enum sof_debugfs_access_type access_type;
326 #if ENABLE_DEBUGFS_CACHEBUF
327 	char *cache_buf; /* buffer to cache the contents of debugfs memory */
328 #endif
329 	struct snd_sof_dev *sdev;
330 	struct list_head list;  /* list in sdev dfsentry list */
331 	union {
332 		void __iomem *io_mem;
333 		void *buf;
334 	};
335 };
336 
337 /* Debug mapping for any DSP memory or registers that can used for debug */
338 struct snd_sof_debugfs_map {
339 	const char *name;
340 	u32 bar;
341 	u32 offset;
342 	u32 size;
343 	/*
344 	 * access_type specifies if the memory is always accessible
345 	 * or if it is accessible only when the DSP is in D0.
346 	 */
347 	enum sof_debugfs_access_type access_type;
348 };
349 
350 /* mailbox descriptor, used for host <-> DSP IPC */
351 struct snd_sof_mailbox {
352 	u32 offset;
353 	size_t size;
354 };
355 
356 /* IPC message descriptor for host <-> DSP IO */
357 struct snd_sof_ipc_msg {
358 	/* message data */
359 	u32 header;
360 	void *msg_data;
361 	void *reply_data;
362 	size_t msg_size;
363 	size_t reply_size;
364 	int reply_error;
365 
366 	wait_queue_head_t waitq;
367 	bool ipc_complete;
368 };
369 
370 enum snd_sof_fw_state {
371 	SOF_FW_BOOT_NOT_STARTED = 0,
372 	SOF_FW_BOOT_PREPARE,
373 	SOF_FW_BOOT_IN_PROGRESS,
374 	SOF_FW_BOOT_FAILED,
375 	SOF_FW_BOOT_READY_FAILED, /* firmware booted but fw_ready op failed */
376 	SOF_FW_BOOT_COMPLETE,
377 };
378 
379 /*
380  * SOF Device Level.
381  */
382 struct snd_sof_dev {
383 	struct device *dev;
384 	spinlock_t ipc_lock;	/* lock for IPC users */
385 	spinlock_t hw_lock;	/* lock for HW IO access */
386 
387 	/*
388 	 * ASoC components. plat_drv fields are set dynamically so
389 	 * can't use const
390 	 */
391 	struct snd_soc_component_driver plat_drv;
392 
393 	/* current DSP power state */
394 	struct sof_dsp_power_state dsp_power_state;
395 	/* mutex to protect the dsp_power_state access */
396 	struct mutex power_state_access;
397 
398 	/* Intended power target of system suspend */
399 	enum sof_system_suspend_state system_suspend_target;
400 
401 	/* DSP firmware boot */
402 	wait_queue_head_t boot_wait;
403 	enum snd_sof_fw_state fw_state;
404 	bool first_boot;
405 
406 	/* work queue in case the probe is implemented in two steps */
407 	struct work_struct probe_work;
408 	bool probe_completed;
409 
410 	/* DSP HW differentiation */
411 	struct snd_sof_pdata *pdata;
412 
413 	/* IPC */
414 	struct snd_sof_ipc *ipc;
415 	struct snd_sof_mailbox dsp_box;		/* DSP initiated IPC */
416 	struct snd_sof_mailbox host_box;	/* Host initiated IPC */
417 	struct snd_sof_mailbox stream_box;	/* Stream position update */
418 	struct snd_sof_mailbox debug_box;	/* Debug info updates */
419 	struct snd_sof_ipc_msg *msg;
420 	int ipc_irq;
421 	u32 next_comp_id; /* monotonic - reset during S3 */
422 
423 	/* memory bases for mmaped DSPs - set by dsp_init() */
424 	void __iomem *bar[SND_SOF_BARS];	/* DSP base address */
425 	int mmio_bar;
426 	int mailbox_bar;
427 	size_t dsp_oops_offset;
428 
429 	/* debug */
430 	struct dentry *debugfs_root;
431 	struct list_head dfsentry_list;
432 	bool dbg_dump_printed;
433 	bool ipc_dump_printed;
434 
435 	/* firmware loader */
436 	struct snd_dma_buffer dmab;
437 	struct snd_dma_buffer dmab_bdl;
438 	struct sof_ipc_fw_ready fw_ready;
439 	struct sof_ipc_fw_version fw_version;
440 	struct sof_ipc_cc_version *cc_version;
441 
442 	/* topology */
443 	struct snd_soc_tplg_ops *tplg_ops;
444 	struct list_head pcm_list;
445 	struct list_head kcontrol_list;
446 	struct list_head widget_list;
447 	struct list_head dai_list;
448 	struct list_head route_list;
449 	struct snd_soc_component *component;
450 	u32 enabled_cores_mask; /* keep track of enabled cores */
451 
452 	/* FW configuration */
453 	struct sof_ipc_window *info_window;
454 
455 	/* IPC timeouts in ms */
456 	int ipc_timeout;
457 	int boot_timeout;
458 
459 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
460 	unsigned int extractor_stream_tag;
461 #endif
462 
463 	/* DMA for Trace */
464 	struct snd_dma_buffer dmatb;
465 	struct snd_dma_buffer dmatp;
466 	int dma_trace_pages;
467 	wait_queue_head_t trace_sleep;
468 	u32 host_offset;
469 	bool dtrace_is_supported; /* set with Kconfig or module parameter */
470 	bool dtrace_is_enabled;
471 	bool dtrace_error;
472 	bool dtrace_draining;
473 
474 	bool msi_enabled;
475 
476 	void *private;			/* core does not touch this */
477 };
478 
479 /*
480  * Device Level.
481  */
482 
483 int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data);
484 int snd_sof_device_remove(struct device *dev);
485 int snd_sof_device_shutdown(struct device *dev);
486 bool snd_sof_device_probe_completed(struct device *dev);
487 
488 int snd_sof_runtime_suspend(struct device *dev);
489 int snd_sof_runtime_resume(struct device *dev);
490 int snd_sof_runtime_idle(struct device *dev);
491 int snd_sof_resume(struct device *dev);
492 int snd_sof_suspend(struct device *dev);
493 int snd_sof_dsp_power_down_notify(struct snd_sof_dev *sdev);
494 int snd_sof_prepare(struct device *dev);
495 void snd_sof_complete(struct device *dev);
496 
497 void snd_sof_new_platform_drv(struct snd_sof_dev *sdev);
498 
499 int snd_sof_create_page_table(struct device *dev,
500 			      struct snd_dma_buffer *dmab,
501 			      unsigned char *page_table, size_t size);
502 
503 /*
504  * Firmware loading.
505  */
506 int snd_sof_load_firmware_raw(struct snd_sof_dev *sdev);
507 int snd_sof_load_firmware_memcpy(struct snd_sof_dev *sdev);
508 int snd_sof_run_firmware(struct snd_sof_dev *sdev);
509 int snd_sof_parse_module_memcpy(struct snd_sof_dev *sdev,
510 				struct snd_sof_mod_hdr *module);
511 void snd_sof_fw_unload(struct snd_sof_dev *sdev);
512 
513 /*
514  * IPC low level APIs.
515  */
516 struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev);
517 void snd_sof_ipc_free(struct snd_sof_dev *sdev);
518 void snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id);
519 void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev);
520 int snd_sof_ipc_stream_pcm_params(struct snd_sof_dev *sdev,
521 				  struct sof_ipc_pcm_params *params);
522 int snd_sof_ipc_valid(struct snd_sof_dev *sdev);
523 int sof_ipc_tx_message(struct snd_sof_ipc *ipc, u32 header,
524 		       void *msg_data, size_t msg_bytes, void *reply_data,
525 		       size_t reply_bytes);
526 int sof_ipc_tx_message_no_pm(struct snd_sof_ipc *ipc, u32 header,
527 			     void *msg_data, size_t msg_bytes,
528 			     void *reply_data, size_t reply_bytes);
529 int sof_ipc_init_msg_memory(struct snd_sof_dev *sdev);
530 
531 /*
532  * Trace/debug
533  */
534 int snd_sof_init_trace(struct snd_sof_dev *sdev);
535 void snd_sof_release_trace(struct snd_sof_dev *sdev);
536 void snd_sof_free_trace(struct snd_sof_dev *sdev);
537 int snd_sof_dbg_init(struct snd_sof_dev *sdev);
538 void snd_sof_free_debug(struct snd_sof_dev *sdev);
539 int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev,
540 			     void *base, size_t size,
541 			     const char *name, mode_t mode);
542 int snd_sof_trace_update_pos(struct snd_sof_dev *sdev,
543 			     struct sof_ipc_dma_trace_posn *posn);
544 void snd_sof_trace_notify_for_error(struct snd_sof_dev *sdev);
545 void snd_sof_get_status(struct snd_sof_dev *sdev, u32 panic_code,
546 			u32 tracep_code, void *oops,
547 			struct sof_ipc_panic_info *panic_info,
548 			void *stack, size_t stack_words);
549 int snd_sof_init_trace_ipc(struct snd_sof_dev *sdev);
550 void snd_sof_handle_fw_exception(struct snd_sof_dev *sdev);
551 int snd_sof_dbg_memory_info_init(struct snd_sof_dev *sdev);
552 int snd_sof_debugfs_add_region_item_iomem(struct snd_sof_dev *sdev,
553 		enum snd_sof_fw_blk_type blk_type, u32 offset, size_t size,
554 		const char *name, enum sof_debugfs_access_type access_type);
555 
556 /*
557  * DSP Architectures.
558  */
559 static inline void sof_stack(struct snd_sof_dev *sdev, void *oops, u32 *stack,
560 			     u32 stack_words)
561 {
562 		sof_dsp_arch_ops(sdev)->dsp_stack(sdev, oops, stack, stack_words);
563 }
564 
565 static inline void sof_oops(struct snd_sof_dev *sdev, void *oops)
566 {
567 	if (sof_dsp_arch_ops(sdev)->dsp_oops)
568 		sof_dsp_arch_ops(sdev)->dsp_oops(sdev, oops);
569 }
570 
571 extern const struct dsp_arch_ops sof_xtensa_arch_ops;
572 
573 /*
574  * Firmware state tracking
575  */
576 static inline void sof_set_fw_state(struct snd_sof_dev *sdev,
577 				    enum snd_sof_fw_state new_state)
578 {
579 	if (sdev->fw_state == new_state)
580 		return;
581 
582 	dev_dbg(sdev->dev, "fw_state change: %d -> %d\n", sdev->fw_state, new_state);
583 	sdev->fw_state = new_state;
584 }
585 
586 /*
587  * Utilities
588  */
589 void sof_io_write(struct snd_sof_dev *sdev, void __iomem *addr, u32 value);
590 void sof_io_write64(struct snd_sof_dev *sdev, void __iomem *addr, u64 value);
591 u32 sof_io_read(struct snd_sof_dev *sdev, void __iomem *addr);
592 u64 sof_io_read64(struct snd_sof_dev *sdev, void __iomem *addr);
593 void sof_mailbox_write(struct snd_sof_dev *sdev, u32 offset,
594 		       void *message, size_t bytes);
595 void sof_mailbox_read(struct snd_sof_dev *sdev, u32 offset,
596 		      void *message, size_t bytes);
597 int sof_block_write(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type,
598 		    u32 offset, void *src, size_t size);
599 int sof_block_read(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type,
600 		   u32 offset, void *dest, size_t size);
601 
602 int sof_fw_ready(struct snd_sof_dev *sdev, u32 msg_id);
603 
604 int sof_ipc_msg_data(struct snd_sof_dev *sdev,
605 		     struct snd_pcm_substream *substream,
606 		     void *p, size_t sz);
607 int sof_ipc_pcm_params(struct snd_sof_dev *sdev,
608 		       struct snd_pcm_substream *substream,
609 		       const struct sof_ipc_pcm_params_reply *reply);
610 
611 int sof_stream_pcm_open(struct snd_sof_dev *sdev,
612 			struct snd_pcm_substream *substream);
613 int sof_stream_pcm_close(struct snd_sof_dev *sdev,
614 			 struct snd_pcm_substream *substream);
615 
616 int sof_machine_check(struct snd_sof_dev *sdev);
617 #endif
618