xref: /openbmc/linux/sound/soc/sof/sof-priv.h (revision 7b73a9c8)
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 #include <sound/control.h>
19 
20 #include <sound/sof.h>
21 #include <sound/sof/stream.h> /* needs to be included before control.h */
22 #include <sound/sof/control.h>
23 #include <sound/sof/dai.h>
24 #include <sound/sof/info.h>
25 #include <sound/sof/pm.h>
26 #include <sound/sof/topology.h>
27 #include <sound/sof/trace.h>
28 
29 #include <uapi/sound/sof/fw.h>
30 
31 /* debug flags */
32 #define SOF_DBG_ENABLE_TRACE	BIT(0)
33 #define SOF_DBG_REGS		BIT(1)
34 #define SOF_DBG_MBOX		BIT(2)
35 #define SOF_DBG_TEXT		BIT(3)
36 #define SOF_DBG_PCI		BIT(4)
37 #define SOF_DBG_RETAIN_CTX	BIT(5)	/* prevent DSP D3 on FW exception */
38 
39 /* global debug state set by SOF_DBG_ flags */
40 extern int sof_core_debug;
41 
42 /* max BARs mmaped devices can use */
43 #define SND_SOF_BARS	8
44 
45 /* time in ms for runtime suspend delay */
46 #define SND_SOF_SUSPEND_DELAY_MS	2000
47 
48 /* DMA buffer size for trace */
49 #define DMA_BUF_SIZE_FOR_TRACE (PAGE_SIZE * 16)
50 
51 /* max number of FE PCMs before BEs */
52 #define SOF_BE_PCM_BASE		16
53 
54 #define SOF_IPC_DSP_REPLY		0
55 #define SOF_IPC_HOST_REPLY		1
56 
57 /* convenience constructor for DAI driver streams */
58 #define SOF_DAI_STREAM(sname, scmin, scmax, srates, sfmt) \
59 	{.stream_name = sname, .channels_min = scmin, .channels_max = scmax, \
60 	 .rates = srates, .formats = sfmt}
61 
62 #define SOF_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
63 	SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_FLOAT)
64 
65 #define ENABLE_DEBUGFS_CACHEBUF \
66 	(IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) || \
67 	 IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST))
68 
69 #define DMA_CHAN_INVALID	0xFFFFFFFF
70 
71 /* DSP D0ix sub-state */
72 enum sof_d0_substate {
73 	SOF_DSP_D0I0 = 0,	/* DSP default D0 substate */
74 	SOF_DSP_D0I3,		/* DSP D0i3(low power) substate*/
75 };
76 
77 struct snd_sof_dev;
78 struct snd_sof_ipc_msg;
79 struct snd_sof_ipc;
80 struct snd_sof_debugfs_map;
81 struct snd_soc_tplg_ops;
82 struct snd_soc_component;
83 struct snd_sof_pdata;
84 
85 /*
86  * SOF DSP HW abstraction operations.
87  * Used to abstract DSP HW architecture and any IO busses between host CPU
88  * and DSP device(s).
89  */
90 struct snd_sof_dsp_ops {
91 
92 	/* probe and remove */
93 	int (*probe)(struct snd_sof_dev *sof_dev); /* mandatory */
94 	int (*remove)(struct snd_sof_dev *sof_dev); /* optional */
95 
96 	/* DSP core boot / reset */
97 	int (*run)(struct snd_sof_dev *sof_dev); /* mandatory */
98 	int (*stall)(struct snd_sof_dev *sof_dev); /* optional */
99 	int (*reset)(struct snd_sof_dev *sof_dev); /* optional */
100 	int (*core_power_up)(struct snd_sof_dev *sof_dev,
101 			     unsigned int core_mask); /* optional */
102 	int (*core_power_down)(struct snd_sof_dev *sof_dev,
103 			       unsigned int core_mask); /* optional */
104 
105 	/*
106 	 * Register IO: only used by respective drivers themselves,
107 	 * TODO: consider removing these operations and calling respective
108 	 * implementations directly
109 	 */
110 	void (*write)(struct snd_sof_dev *sof_dev, void __iomem *addr,
111 		      u32 value); /* optional */
112 	u32 (*read)(struct snd_sof_dev *sof_dev,
113 		    void __iomem *addr); /* optional */
114 	void (*write64)(struct snd_sof_dev *sof_dev, void __iomem *addr,
115 			u64 value); /* optional */
116 	u64 (*read64)(struct snd_sof_dev *sof_dev,
117 		      void __iomem *addr); /* optional */
118 
119 	/* memcpy IO */
120 	void (*block_read)(struct snd_sof_dev *sof_dev, u32 bar,
121 			   u32 offset, void *dest,
122 			   size_t size); /* mandatory */
123 	void (*block_write)(struct snd_sof_dev *sof_dev, u32 bar,
124 			    u32 offset, void *src,
125 			    size_t size); /* mandatory */
126 
127 	/* doorbell */
128 	irqreturn_t (*irq_handler)(int irq, void *context); /* optional */
129 	irqreturn_t (*irq_thread)(int irq, void *context); /* optional */
130 
131 	/* ipc */
132 	int (*send_msg)(struct snd_sof_dev *sof_dev,
133 			struct snd_sof_ipc_msg *msg); /* mandatory */
134 
135 	/* FW loading */
136 	int (*load_firmware)(struct snd_sof_dev *sof_dev); /* mandatory */
137 	int (*load_module)(struct snd_sof_dev *sof_dev,
138 			   struct snd_sof_mod_hdr *hdr); /* optional */
139 	/*
140 	 * FW ready checks for ABI compatibility and creates
141 	 * memory windows at first boot
142 	 */
143 	int (*fw_ready)(struct snd_sof_dev *sdev, u32 msg_id); /* mandatory */
144 
145 	/* connect pcm substream to a host stream */
146 	int (*pcm_open)(struct snd_sof_dev *sdev,
147 			struct snd_pcm_substream *substream); /* optional */
148 	/* disconnect pcm substream to a host stream */
149 	int (*pcm_close)(struct snd_sof_dev *sdev,
150 			 struct snd_pcm_substream *substream); /* optional */
151 
152 	/* host stream hw params */
153 	int (*pcm_hw_params)(struct snd_sof_dev *sdev,
154 			     struct snd_pcm_substream *substream,
155 			     struct snd_pcm_hw_params *params,
156 			     struct sof_ipc_stream_params *ipc_params); /* optional */
157 
158 	/* host stream hw_free */
159 	int (*pcm_hw_free)(struct snd_sof_dev *sdev,
160 			   struct snd_pcm_substream *substream); /* optional */
161 
162 	/* host stream trigger */
163 	int (*pcm_trigger)(struct snd_sof_dev *sdev,
164 			   struct snd_pcm_substream *substream,
165 			   int cmd); /* optional */
166 
167 	/* host stream pointer */
168 	snd_pcm_uframes_t (*pcm_pointer)(struct snd_sof_dev *sdev,
169 					 struct snd_pcm_substream *substream); /* optional */
170 
171 	/* host read DSP stream data */
172 	void (*ipc_msg_data)(struct snd_sof_dev *sdev,
173 			     struct snd_pcm_substream *substream,
174 			     void *p, size_t sz); /* mandatory */
175 
176 	/* host configure DSP HW parameters */
177 	int (*ipc_pcm_params)(struct snd_sof_dev *sdev,
178 			      struct snd_pcm_substream *substream,
179 			      const struct sof_ipc_pcm_params_reply *reply); /* mandatory */
180 
181 	/* pre/post firmware run */
182 	int (*pre_fw_run)(struct snd_sof_dev *sof_dev); /* optional */
183 	int (*post_fw_run)(struct snd_sof_dev *sof_dev); /* optional */
184 
185 	/* DSP PM */
186 	int (*suspend)(struct snd_sof_dev *sof_dev); /* optional */
187 	int (*resume)(struct snd_sof_dev *sof_dev); /* optional */
188 	int (*runtime_suspend)(struct snd_sof_dev *sof_dev); /* optional */
189 	int (*runtime_resume)(struct snd_sof_dev *sof_dev); /* optional */
190 	int (*runtime_idle)(struct snd_sof_dev *sof_dev); /* optional */
191 	int (*set_hw_params_upon_resume)(struct snd_sof_dev *sdev); /* optional */
192 	int (*set_power_state)(struct snd_sof_dev *sdev,
193 			       enum sof_d0_substate d0_substate); /* optional */
194 
195 	/* DSP clocking */
196 	int (*set_clk)(struct snd_sof_dev *sof_dev, u32 freq); /* optional */
197 
198 	/* debug */
199 	const struct snd_sof_debugfs_map *debug_map; /* optional */
200 	int debug_map_count; /* optional */
201 	void (*dbg_dump)(struct snd_sof_dev *sof_dev,
202 			 u32 flags); /* optional */
203 	void (*ipc_dump)(struct snd_sof_dev *sof_dev); /* optional */
204 
205 	/* host DMA trace initialization */
206 	int (*trace_init)(struct snd_sof_dev *sdev,
207 			  u32 *stream_tag); /* optional */
208 	int (*trace_release)(struct snd_sof_dev *sdev); /* optional */
209 	int (*trace_trigger)(struct snd_sof_dev *sdev,
210 			     int cmd); /* optional */
211 
212 	/* misc */
213 	int (*get_bar_index)(struct snd_sof_dev *sdev,
214 			     u32 type); /* optional */
215 	int (*get_mailbox_offset)(struct snd_sof_dev *sdev);/* mandatory for common loader code */
216 	int (*get_window_offset)(struct snd_sof_dev *sdev,
217 				 u32 id);/* mandatory for common loader code */
218 
219 	/* DAI ops */
220 	struct snd_soc_dai_driver *drv;
221 	int num_drv;
222 
223 	/* ALSA HW info flags, will be stored in snd_pcm_runtime.hw.info */
224 	u32 hw_info;
225 };
226 
227 /* DSP architecture specific callbacks for oops and stack dumps */
228 struct sof_arch_ops {
229 	void (*dsp_oops)(struct snd_sof_dev *sdev, void *oops);
230 	void (*dsp_stack)(struct snd_sof_dev *sdev, void *oops,
231 			  u32 *stack, u32 stack_words);
232 };
233 
234 #define sof_arch_ops(sdev) ((sdev)->pdata->desc->arch_ops)
235 
236 /* DSP device HW descriptor mapping between bus ID and ops */
237 struct sof_ops_table {
238 	const struct sof_dev_desc *desc;
239 	const struct snd_sof_dsp_ops *ops;
240 };
241 
242 enum sof_dfsentry_type {
243 	SOF_DFSENTRY_TYPE_IOMEM = 0,
244 	SOF_DFSENTRY_TYPE_BUF,
245 };
246 
247 enum sof_debugfs_access_type {
248 	SOF_DEBUGFS_ACCESS_ALWAYS = 0,
249 	SOF_DEBUGFS_ACCESS_D0_ONLY,
250 };
251 
252 /* FS entry for debug files that can expose DSP memories, registers */
253 struct snd_sof_dfsentry {
254 	size_t size;
255 	enum sof_dfsentry_type type;
256 	/*
257 	 * access_type specifies if the
258 	 * memory -> DSP resource (memory, register etc) is always accessible
259 	 * or if it is accessible only when the DSP is in D0.
260 	 */
261 	enum sof_debugfs_access_type access_type;
262 #if ENABLE_DEBUGFS_CACHEBUF
263 	char *cache_buf; /* buffer to cache the contents of debugfs memory */
264 #endif
265 	struct snd_sof_dev *sdev;
266 	struct list_head list;  /* list in sdev dfsentry list */
267 	union {
268 		void __iomem *io_mem;
269 		void *buf;
270 	};
271 };
272 
273 /* Debug mapping for any DSP memory or registers that can used for debug */
274 struct snd_sof_debugfs_map {
275 	const char *name;
276 	u32 bar;
277 	u32 offset;
278 	u32 size;
279 	/*
280 	 * access_type specifies if the memory is always accessible
281 	 * or if it is accessible only when the DSP is in D0.
282 	 */
283 	enum sof_debugfs_access_type access_type;
284 };
285 
286 /* mailbox descriptor, used for host <-> DSP IPC */
287 struct snd_sof_mailbox {
288 	u32 offset;
289 	size_t size;
290 };
291 
292 /* IPC message descriptor for host <-> DSP IO */
293 struct snd_sof_ipc_msg {
294 	/* message data */
295 	u32 header;
296 	void *msg_data;
297 	void *reply_data;
298 	size_t msg_size;
299 	size_t reply_size;
300 	int reply_error;
301 
302 	wait_queue_head_t waitq;
303 	bool ipc_complete;
304 };
305 
306 /* PCM stream, mapped to FW component  */
307 struct snd_sof_pcm_stream {
308 	u32 comp_id;
309 	struct snd_dma_buffer page_table;
310 	struct sof_ipc_stream_posn posn;
311 	struct snd_pcm_substream *substream;
312 	struct work_struct period_elapsed_work;
313 	bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */
314 	/*
315 	 * flag to indicate that the DSP pipelines should be kept
316 	 * active or not while suspending the stream
317 	 */
318 	bool suspend_ignored;
319 };
320 
321 /* ALSA SOF PCM device */
322 struct snd_sof_pcm {
323 	struct snd_sof_dev *sdev;
324 	struct snd_soc_tplg_pcm pcm;
325 	struct snd_sof_pcm_stream stream[2];
326 	struct list_head list;	/* list in sdev pcm list */
327 	struct snd_pcm_hw_params params[2];
328 	bool prepared[2]; /* PCM_PARAMS set successfully */
329 };
330 
331 struct snd_sof_led_control {
332 	unsigned int use_led;
333 	unsigned int direction;
334 	unsigned int led_value;
335 };
336 
337 /* ALSA SOF Kcontrol device */
338 struct snd_sof_control {
339 	struct snd_sof_dev *sdev;
340 	int comp_id;
341 	int min_volume_step; /* min volume step for volume_table */
342 	int max_volume_step; /* max volume step for volume_table */
343 	int num_channels;
344 	u32 readback_offset; /* offset to mmaped data if used */
345 	struct sof_ipc_ctrl_data *control_data;
346 	u32 size;	/* cdata size */
347 	enum sof_ipc_ctrl_cmd cmd;
348 	u32 *volume_table; /* volume table computed from tlv data*/
349 
350 	struct list_head list;	/* list in sdev control list */
351 
352 	struct snd_sof_led_control led_ctl;
353 };
354 
355 /* ASoC SOF DAPM widget */
356 struct snd_sof_widget {
357 	struct snd_sof_dev *sdev;
358 	int comp_id;
359 	int pipeline_id;
360 	int complete;
361 	int id;
362 
363 	struct snd_soc_dapm_widget *widget;
364 	struct list_head list;	/* list in sdev widget list */
365 
366 	void *private;		/* core does not touch this */
367 };
368 
369 /* ASoC SOF DAPM route */
370 struct snd_sof_route {
371 	struct snd_sof_dev *sdev;
372 
373 	struct snd_soc_dapm_route *route;
374 	struct list_head list;	/* list in sdev route list */
375 
376 	void *private;
377 };
378 
379 /* ASoC DAI device */
380 struct snd_sof_dai {
381 	struct snd_sof_dev *sdev;
382 	const char *name;
383 	const char *cpu_dai_name;
384 
385 	struct sof_ipc_comp_dai comp_dai;
386 	struct sof_ipc_dai_config *dai_config;
387 	struct list_head list;	/* list in sdev dai list */
388 };
389 
390 /*
391  * SOF Device Level.
392  */
393 struct snd_sof_dev {
394 	struct device *dev;
395 	spinlock_t ipc_lock;	/* lock for IPC users */
396 	spinlock_t hw_lock;	/* lock for HW IO access */
397 
398 	/*
399 	 * ASoC components. plat_drv fields are set dynamically so
400 	 * can't use const
401 	 */
402 	struct snd_soc_component_driver plat_drv;
403 
404 	/* power states related */
405 	enum sof_d0_substate d0_substate;
406 	/* flag to track if the intended power target of suspend is S0ix */
407 	bool s0_suspend;
408 
409 	/* DSP firmware boot */
410 	wait_queue_head_t boot_wait;
411 	u32 boot_complete;
412 	u32 first_boot;
413 
414 	/* work queue in case the probe is implemented in two steps */
415 	struct work_struct probe_work;
416 
417 	/* DSP HW differentiation */
418 	struct snd_sof_pdata *pdata;
419 
420 	/* IPC */
421 	struct snd_sof_ipc *ipc;
422 	struct snd_sof_mailbox dsp_box;		/* DSP initiated IPC */
423 	struct snd_sof_mailbox host_box;	/* Host initiated IPC */
424 	struct snd_sof_mailbox stream_box;	/* Stream position update */
425 	struct snd_sof_ipc_msg *msg;
426 	int ipc_irq;
427 	u32 next_comp_id; /* monotonic - reset during S3 */
428 
429 	/* memory bases for mmaped DSPs - set by dsp_init() */
430 	void __iomem *bar[SND_SOF_BARS];	/* DSP base address */
431 	int mmio_bar;
432 	int mailbox_bar;
433 	size_t dsp_oops_offset;
434 
435 	/* debug */
436 	struct dentry *debugfs_root;
437 	struct list_head dfsentry_list;
438 
439 	/* firmware loader */
440 	struct snd_dma_buffer dmab;
441 	struct snd_dma_buffer dmab_bdl;
442 	struct sof_ipc_fw_ready fw_ready;
443 	struct sof_ipc_fw_version fw_version;
444 
445 	/* topology */
446 	struct snd_soc_tplg_ops *tplg_ops;
447 	struct list_head pcm_list;
448 	struct list_head kcontrol_list;
449 	struct list_head widget_list;
450 	struct list_head dai_list;
451 	struct list_head route_list;
452 	struct snd_soc_component *component;
453 	u32 enabled_cores_mask; /* keep track of enabled cores */
454 
455 	/* FW configuration */
456 	struct sof_ipc_dma_buffer_data *info_buffer;
457 	struct sof_ipc_window *info_window;
458 
459 	/* IPC timeouts in ms */
460 	int ipc_timeout;
461 	int boot_timeout;
462 
463 	/* Wait queue for code loading */
464 	wait_queue_head_t waitq;
465 	int code_loading;
466 
467 	/* DMA for Trace */
468 	struct snd_dma_buffer dmatb;
469 	struct snd_dma_buffer dmatp;
470 	int dma_trace_pages;
471 	wait_queue_head_t trace_sleep;
472 	u32 host_offset;
473 	u32 dtrace_is_supported; /* set with Kconfig or module parameter */
474 	u32 dtrace_is_enabled;
475 	u32 dtrace_error;
476 	u32 dtrace_draining;
477 
478 	bool msi_enabled;
479 
480 	void *private;			/* core does not touch this */
481 };
482 
483 /*
484  * Device Level.
485  */
486 
487 int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data);
488 int snd_sof_device_remove(struct device *dev);
489 
490 int snd_sof_runtime_suspend(struct device *dev);
491 int snd_sof_runtime_resume(struct device *dev);
492 int snd_sof_runtime_idle(struct device *dev);
493 int snd_sof_resume(struct device *dev);
494 int snd_sof_suspend(struct device *dev);
495 int snd_sof_prepare(struct device *dev);
496 void snd_sof_complete(struct device *dev);
497 int snd_sof_set_d0_substate(struct snd_sof_dev *sdev,
498 			    enum sof_d0_substate d0_substate);
499 
500 void snd_sof_new_platform_drv(struct snd_sof_dev *sdev);
501 
502 int snd_sof_create_page_table(struct snd_sof_dev *sdev,
503 			      struct snd_dma_buffer *dmab,
504 			      unsigned char *page_table, size_t size);
505 
506 /*
507  * Firmware loading.
508  */
509 int snd_sof_load_firmware(struct snd_sof_dev *sdev);
510 int snd_sof_load_firmware_raw(struct snd_sof_dev *sdev);
511 int snd_sof_load_firmware_memcpy(struct snd_sof_dev *sdev);
512 int snd_sof_run_firmware(struct snd_sof_dev *sdev);
513 int snd_sof_parse_module_memcpy(struct snd_sof_dev *sdev,
514 				struct snd_sof_mod_hdr *module);
515 void snd_sof_fw_unload(struct snd_sof_dev *sdev);
516 int snd_sof_fw_parse_ext_data(struct snd_sof_dev *sdev, u32 bar, u32 offset);
517 
518 /*
519  * IPC low level APIs.
520  */
521 struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev);
522 void snd_sof_ipc_free(struct snd_sof_dev *sdev);
523 int snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id);
524 void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev);
525 int snd_sof_ipc_stream_pcm_params(struct snd_sof_dev *sdev,
526 				  struct sof_ipc_pcm_params *params);
527 int snd_sof_dsp_mailbox_init(struct snd_sof_dev *sdev, u32 dspbox,
528 			     size_t dspbox_size, u32 hostbox,
529 			     size_t hostbox_size);
530 int snd_sof_ipc_valid(struct snd_sof_dev *sdev);
531 int sof_ipc_tx_message(struct snd_sof_ipc *ipc, u32 header,
532 		       void *msg_data, size_t msg_bytes, void *reply_data,
533 		       size_t reply_bytes);
534 struct snd_sof_widget *snd_sof_find_swidget(struct snd_sof_dev *sdev,
535 					    const char *name);
536 struct snd_sof_widget *snd_sof_find_swidget_sname(struct snd_sof_dev *sdev,
537 						  const char *pcm_name,
538 						  int dir);
539 struct snd_sof_dai *snd_sof_find_dai(struct snd_sof_dev *sdev,
540 				     const char *name);
541 
542 static inline
543 struct snd_sof_pcm *snd_sof_find_spcm_dai(struct snd_sof_dev *sdev,
544 					  struct snd_soc_pcm_runtime *rtd)
545 {
546 	struct snd_sof_pcm *spcm = NULL;
547 
548 	list_for_each_entry(spcm, &sdev->pcm_list, list) {
549 		if (le32_to_cpu(spcm->pcm.dai_id) == rtd->dai_link->id)
550 			return spcm;
551 	}
552 
553 	return NULL;
554 }
555 
556 bool snd_sof_dsp_d0i3_on_suspend(struct snd_sof_dev *sdev);
557 
558 struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_sof_dev *sdev,
559 					   const char *name);
560 struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_sof_dev *sdev,
561 					   unsigned int comp_id,
562 					   int *direction);
563 struct snd_sof_pcm *snd_sof_find_spcm_pcm_id(struct snd_sof_dev *sdev,
564 					     unsigned int pcm_id);
565 void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream);
566 
567 /*
568  * Stream IPC
569  */
570 int snd_sof_ipc_stream_posn(struct snd_sof_dev *sdev,
571 			    struct snd_sof_pcm *spcm, int direction,
572 			    struct sof_ipc_stream_posn *posn);
573 
574 /*
575  * Mixer IPC
576  */
577 int snd_sof_ipc_set_get_comp_data(struct snd_sof_ipc *ipc,
578 				  struct snd_sof_control *scontrol, u32 ipc_cmd,
579 				  enum sof_ipc_ctrl_type ctrl_type,
580 				  enum sof_ipc_ctrl_cmd ctrl_cmd,
581 				  bool send);
582 
583 /*
584  * Topology.
585  * There is no snd_sof_free_topology since topology components will
586  * be freed by snd_soc_unregister_component,
587  */
588 int snd_sof_init_topology(struct snd_sof_dev *sdev,
589 			  struct snd_soc_tplg_ops *ops);
590 int snd_sof_load_topology(struct snd_sof_dev *sdev, const char *file);
591 int snd_sof_complete_pipeline(struct snd_sof_dev *sdev,
592 			      struct snd_sof_widget *swidget);
593 
594 int sof_load_pipeline_ipc(struct snd_sof_dev *sdev,
595 			  struct sof_ipc_pipe_new *pipeline,
596 			  struct sof_ipc_comp_reply *r);
597 
598 /*
599  * Trace/debug
600  */
601 int snd_sof_init_trace(struct snd_sof_dev *sdev);
602 void snd_sof_release_trace(struct snd_sof_dev *sdev);
603 void snd_sof_free_trace(struct snd_sof_dev *sdev);
604 int snd_sof_dbg_init(struct snd_sof_dev *sdev);
605 void snd_sof_free_debug(struct snd_sof_dev *sdev);
606 int snd_sof_debugfs_io_item(struct snd_sof_dev *sdev,
607 			    void __iomem *base, size_t size,
608 			    const char *name,
609 			    enum sof_debugfs_access_type access_type);
610 int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev,
611 			     void *base, size_t size,
612 			     const char *name, mode_t mode);
613 int snd_sof_trace_update_pos(struct snd_sof_dev *sdev,
614 			     struct sof_ipc_dma_trace_posn *posn);
615 void snd_sof_trace_notify_for_error(struct snd_sof_dev *sdev);
616 void snd_sof_get_status(struct snd_sof_dev *sdev, u32 panic_code,
617 			u32 tracep_code, void *oops,
618 			struct sof_ipc_panic_info *panic_info,
619 			void *stack, size_t stack_words);
620 int snd_sof_init_trace_ipc(struct snd_sof_dev *sdev);
621 void snd_sof_handle_fw_exception(struct snd_sof_dev *sdev);
622 
623 /*
624  * Platform specific ops.
625  */
626 extern struct snd_compr_ops sof_compressed_ops;
627 
628 /*
629  * Kcontrols.
630  */
631 
632 int snd_sof_volume_get(struct snd_kcontrol *kcontrol,
633 		       struct snd_ctl_elem_value *ucontrol);
634 int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
635 		       struct snd_ctl_elem_value *ucontrol);
636 int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
637 		       struct snd_ctl_elem_value *ucontrol);
638 int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
639 		       struct snd_ctl_elem_value *ucontrol);
640 int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
641 		     struct snd_ctl_elem_value *ucontrol);
642 int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
643 		     struct snd_ctl_elem_value *ucontrol);
644 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,
645 		      struct snd_ctl_elem_value *ucontrol);
646 int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
647 		      struct snd_ctl_elem_value *ucontrol);
648 int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
649 			  const unsigned int __user *binary_data,
650 			  unsigned int size);
651 int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
652 			  unsigned int __user *binary_data,
653 			  unsigned int size);
654 
655 /*
656  * DSP Architectures.
657  */
658 static inline void sof_stack(struct snd_sof_dev *sdev, void *oops, u32 *stack,
659 			     u32 stack_words)
660 {
661 	if (sof_arch_ops(sdev)->dsp_stack)
662 		sof_arch_ops(sdev)->dsp_stack(sdev, oops, stack, stack_words);
663 }
664 
665 static inline void sof_oops(struct snd_sof_dev *sdev, void *oops)
666 {
667 	if (sof_arch_ops(sdev)->dsp_oops)
668 		sof_arch_ops(sdev)->dsp_oops(sdev, oops);
669 }
670 
671 extern const struct sof_arch_ops sof_xtensa_arch_ops;
672 
673 /*
674  * Utilities
675  */
676 void sof_io_write(struct snd_sof_dev *sdev, void __iomem *addr, u32 value);
677 void sof_io_write64(struct snd_sof_dev *sdev, void __iomem *addr, u64 value);
678 u32 sof_io_read(struct snd_sof_dev *sdev, void __iomem *addr);
679 u64 sof_io_read64(struct snd_sof_dev *sdev, void __iomem *addr);
680 void sof_mailbox_write(struct snd_sof_dev *sdev, u32 offset,
681 		       void *message, size_t bytes);
682 void sof_mailbox_read(struct snd_sof_dev *sdev, u32 offset,
683 		      void *message, size_t bytes);
684 void sof_block_write(struct snd_sof_dev *sdev, u32 bar, u32 offset, void *src,
685 		     size_t size);
686 void sof_block_read(struct snd_sof_dev *sdev, u32 bar, u32 offset, void *dest,
687 		    size_t size);
688 
689 int sof_fw_ready(struct snd_sof_dev *sdev, u32 msg_id);
690 
691 void intel_ipc_msg_data(struct snd_sof_dev *sdev,
692 			struct snd_pcm_substream *substream,
693 			void *p, size_t sz);
694 int intel_ipc_pcm_params(struct snd_sof_dev *sdev,
695 			 struct snd_pcm_substream *substream,
696 			 const struct sof_ipc_pcm_params_reply *reply);
697 
698 int intel_pcm_open(struct snd_sof_dev *sdev,
699 		   struct snd_pcm_substream *substream);
700 int intel_pcm_close(struct snd_sof_dev *sdev,
701 		    struct snd_pcm_substream *substream);
702 
703 #endif
704