xref: /linux/sound/soc/sof/intel/hda.c (revision dd093fb0)
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 // Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9 //	    Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
10 //	    Rander Wang <rander.wang@intel.com>
11 //          Keyon Jie <yang.jie@linux.intel.com>
12 //
13 
14 /*
15  * Hardware interface for generic Intel audio DSP HDA IP
16  */
17 
18 #include <sound/hdaudio_ext.h>
19 #include <sound/hda_register.h>
20 
21 #include <linux/acpi.h>
22 #include <linux/module.h>
23 #include <linux/soundwire/sdw.h>
24 #include <linux/soundwire/sdw_intel.h>
25 #include <sound/intel-dsp-config.h>
26 #include <sound/intel-nhlt.h>
27 #include <sound/sof.h>
28 #include <sound/sof/xtensa.h>
29 #include "../sof-audio.h"
30 #include "../sof-pci-dev.h"
31 #include "../ops.h"
32 #include "hda.h"
33 
34 #define CREATE_TRACE_POINTS
35 #include <trace/events/sof_intel.h>
36 
37 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
38 #include <sound/soc-acpi-intel-match.h>
39 #endif
40 
41 /* platform specific devices */
42 #include "shim.h"
43 
44 #define EXCEPT_MAX_HDR_SIZE	0x400
45 #define HDA_EXT_ROM_STATUS_SIZE 8
46 
47 int hda_ctrl_dai_widget_setup(struct snd_soc_dapm_widget *w, unsigned int quirk_flags,
48 			      struct snd_sof_dai_config_data *data)
49 {
50 	struct snd_sof_widget *swidget = w->dobj.private;
51 	struct snd_soc_component *component = swidget->scomp;
52 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
53 	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
54 	struct snd_sof_dai *sof_dai = swidget->private;
55 	int ret;
56 
57 	if (!sof_dai) {
58 		dev_err(sdev->dev, "%s: No DAI for DAI widget %s\n", __func__, w->name);
59 		return -EINVAL;
60 	}
61 
62 	if (tplg_ops->dai_config) {
63 		unsigned int flags;
64 
65 		/* set HW_PARAMS flag along with quirks */
66 		flags = SOF_DAI_CONFIG_FLAGS_HW_PARAMS |
67 			quirk_flags << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT;
68 
69 		ret = tplg_ops->dai_config(sdev, swidget, flags, data);
70 		if (ret < 0) {
71 			dev_err(sdev->dev, "%s: DAI config failed for widget %s\n", __func__,
72 				w->name);
73 			return ret;
74 		}
75 	}
76 
77 	return 0;
78 }
79 
80 int hda_ctrl_dai_widget_free(struct snd_soc_dapm_widget *w, unsigned int quirk_flags,
81 			     struct snd_sof_dai_config_data *data)
82 {
83 	struct snd_sof_widget *swidget = w->dobj.private;
84 	struct snd_soc_component *component = swidget->scomp;
85 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
86 	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
87 	struct snd_sof_dai *sof_dai = swidget->private;
88 
89 	if (!sof_dai) {
90 		dev_err(sdev->dev, "%s: No DAI for BE DAI widget %s\n", __func__, w->name);
91 		return -EINVAL;
92 	}
93 
94 	if (tplg_ops->dai_config) {
95 		unsigned int flags;
96 		int ret;
97 
98 		/* set HW_FREE flag along with any quirks */
99 		flags = SOF_DAI_CONFIG_FLAGS_HW_FREE |
100 			quirk_flags << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT;
101 
102 		ret = tplg_ops->dai_config(sdev, swidget, flags, data);
103 		if (ret < 0)
104 			dev_err(sdev->dev, "%s: DAI config failed for widget '%s'\n", __func__,
105 				w->name);
106 	}
107 
108 	return 0;
109 }
110 
111 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
112 
113 /*
114  * The default for SoundWire clock stop quirks is to power gate the IP
115  * and do a Bus Reset, this will need to be modified when the DSP
116  * needs to remain in D0i3 so that the Master does not lose context
117  * and enumeration is not required on clock restart
118  */
119 static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET;
120 module_param(sdw_clock_stop_quirks, int, 0444);
121 MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
122 
123 static int sdw_params_stream(struct device *dev,
124 			     struct sdw_intel_stream_params_data *params_data)
125 {
126 	struct snd_soc_dai *d = params_data->dai;
127 	struct snd_sof_dai_config_data data;
128 	struct snd_soc_dapm_widget *w;
129 
130 	w = snd_soc_dai_get_widget(d, params_data->stream);
131 	data.dai_index = (params_data->link_id << 8) | d->id;
132 	data.dai_data = params_data->alh_stream_id;
133 
134 	return hda_ctrl_dai_widget_setup(w, SOF_DAI_CONFIG_FLAGS_NONE, &data);
135 }
136 
137 static int sdw_free_stream(struct device *dev,
138 			   struct sdw_intel_stream_free_data *free_data)
139 {
140 	struct snd_soc_dai *d = free_data->dai;
141 	struct snd_sof_dai_config_data data;
142 	struct snd_soc_dapm_widget *w;
143 
144 	w = snd_soc_dai_get_widget(d, free_data->stream);
145 	data.dai_index = (free_data->link_id << 8) | d->id;
146 
147 	/* send invalid stream_id */
148 	data.dai_data = 0xFFFF;
149 
150 	return hda_ctrl_dai_widget_free(w, SOF_DAI_CONFIG_FLAGS_NONE, &data);
151 }
152 
153 struct sdw_intel_ops sdw_callback = {
154 	.params_stream = sdw_params_stream,
155 	.free_stream = sdw_free_stream,
156 };
157 
158 void hda_common_enable_sdw_irq(struct snd_sof_dev *sdev, bool enable)
159 {
160 	struct sof_intel_hda_dev *hdev;
161 
162 	hdev = sdev->pdata->hw_pdata;
163 
164 	if (!hdev->sdw)
165 		return;
166 
167 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIC2,
168 				HDA_DSP_REG_ADSPIC2_SNDW,
169 				enable ? HDA_DSP_REG_ADSPIC2_SNDW : 0);
170 }
171 
172 void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable)
173 {
174 	const struct sof_intel_dsp_desc *chip;
175 
176 	chip = get_chip_info(sdev->pdata);
177 	if (chip && chip->enable_sdw_irq)
178 		chip->enable_sdw_irq(sdev, enable);
179 }
180 
181 static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
182 {
183 	struct sof_intel_hda_dev *hdev;
184 	acpi_handle handle;
185 	int ret;
186 
187 	handle = ACPI_HANDLE(sdev->dev);
188 
189 	/* save ACPI info for the probe step */
190 	hdev = sdev->pdata->hw_pdata;
191 
192 	ret = sdw_intel_acpi_scan(handle, &hdev->info);
193 	if (ret < 0)
194 		return -EINVAL;
195 
196 	return 0;
197 }
198 
199 static int hda_sdw_probe(struct snd_sof_dev *sdev)
200 {
201 	struct sof_intel_hda_dev *hdev;
202 	struct sdw_intel_res res;
203 	void *sdw;
204 
205 	hdev = sdev->pdata->hw_pdata;
206 
207 	memset(&res, 0, sizeof(res));
208 
209 	res.hw_ops = &sdw_intel_cnl_hw_ops;
210 	res.mmio_base = sdev->bar[HDA_DSP_BAR];
211 	res.shim_base = hdev->desc->sdw_shim_base;
212 	res.alh_base = hdev->desc->sdw_alh_base;
213 	res.irq = sdev->ipc_irq;
214 	res.handle = hdev->info.handle;
215 	res.parent = sdev->dev;
216 	res.ops = &sdw_callback;
217 	res.dev = sdev->dev;
218 	res.clock_stop_quirks = sdw_clock_stop_quirks;
219 
220 	/*
221 	 * ops and arg fields are not populated for now,
222 	 * they will be needed when the DAI callbacks are
223 	 * provided
224 	 */
225 
226 	/* we could filter links here if needed, e.g for quirks */
227 	res.count = hdev->info.count;
228 	res.link_mask = hdev->info.link_mask;
229 
230 	sdw = sdw_intel_probe(&res);
231 	if (!sdw) {
232 		dev_err(sdev->dev, "error: SoundWire probe failed\n");
233 		return -EINVAL;
234 	}
235 
236 	/* save context */
237 	hdev->sdw = sdw;
238 
239 	return 0;
240 }
241 
242 int hda_sdw_check_lcount_common(struct snd_sof_dev *sdev)
243 {
244 	struct sof_intel_hda_dev *hdev;
245 	struct sdw_intel_ctx *ctx;
246 	u32 caps;
247 
248 	hdev = sdev->pdata->hw_pdata;
249 	ctx = hdev->sdw;
250 
251 	caps = snd_sof_dsp_read(sdev, HDA_DSP_BAR, ctx->shim_base + SDW_SHIM_LCAP);
252 	caps &= SDW_SHIM_LCAP_LCOUNT_MASK;
253 
254 	/* Check HW supported vs property value */
255 	if (caps < ctx->count) {
256 		dev_err(sdev->dev,
257 			"BIOS master count %d is larger than hardware capabilities %d\n",
258 			ctx->count, caps);
259 		return -EINVAL;
260 	}
261 
262 	return 0;
263 }
264 
265 static int hda_sdw_check_lcount(struct snd_sof_dev *sdev)
266 {
267 	const struct sof_intel_dsp_desc *chip;
268 
269 	chip = get_chip_info(sdev->pdata);
270 	if (chip && chip->read_sdw_lcount)
271 		return chip->read_sdw_lcount(sdev);
272 
273 	return 0;
274 }
275 
276 int hda_sdw_startup(struct snd_sof_dev *sdev)
277 {
278 	struct sof_intel_hda_dev *hdev;
279 	struct snd_sof_pdata *pdata = sdev->pdata;
280 	int ret;
281 
282 	hdev = sdev->pdata->hw_pdata;
283 
284 	if (!hdev->sdw)
285 		return 0;
286 
287 	if (pdata->machine && !pdata->machine->mach_params.link_mask)
288 		return 0;
289 
290 	ret = hda_sdw_check_lcount(sdev);
291 	if (ret < 0)
292 		return ret;
293 
294 	return sdw_intel_startup(hdev->sdw);
295 }
296 
297 static int hda_sdw_exit(struct snd_sof_dev *sdev)
298 {
299 	struct sof_intel_hda_dev *hdev;
300 
301 	hdev = sdev->pdata->hw_pdata;
302 
303 	hda_sdw_int_enable(sdev, false);
304 
305 	if (hdev->sdw)
306 		sdw_intel_exit(hdev->sdw);
307 	hdev->sdw = NULL;
308 
309 	return 0;
310 }
311 
312 bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev)
313 {
314 	struct sof_intel_hda_dev *hdev;
315 	bool ret = false;
316 	u32 irq_status;
317 
318 	hdev = sdev->pdata->hw_pdata;
319 
320 	if (!hdev->sdw)
321 		return ret;
322 
323 	/* store status */
324 	irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
325 
326 	/* invalid message ? */
327 	if (irq_status == 0xffffffff)
328 		goto out;
329 
330 	/* SDW message ? */
331 	if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
332 		ret = true;
333 
334 out:
335 	return ret;
336 }
337 
338 static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
339 {
340 	const struct sof_intel_dsp_desc *chip;
341 
342 	chip = get_chip_info(sdev->pdata);
343 	if (chip && chip->check_sdw_irq)
344 		return chip->check_sdw_irq(sdev);
345 
346 	return false;
347 }
348 
349 static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
350 {
351 	return sdw_intel_thread(irq, context);
352 }
353 
354 static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
355 {
356 	struct sof_intel_hda_dev *hdev;
357 
358 	hdev = sdev->pdata->hw_pdata;
359 	if (hdev->sdw &&
360 	    snd_sof_dsp_read(sdev, HDA_DSP_BAR,
361 			     hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS))
362 		return true;
363 
364 	return false;
365 }
366 
367 void hda_sdw_process_wakeen(struct snd_sof_dev *sdev)
368 {
369 	struct sof_intel_hda_dev *hdev;
370 
371 	hdev = sdev->pdata->hw_pdata;
372 	if (!hdev->sdw)
373 		return;
374 
375 	sdw_intel_process_wakeen_event(hdev->sdw);
376 }
377 
378 #else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
379 static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
380 {
381 	return 0;
382 }
383 
384 static inline int hda_sdw_probe(struct snd_sof_dev *sdev)
385 {
386 	return 0;
387 }
388 
389 static inline int hda_sdw_exit(struct snd_sof_dev *sdev)
390 {
391 	return 0;
392 }
393 
394 static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
395 {
396 	return false;
397 }
398 
399 static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
400 {
401 	return IRQ_HANDLED;
402 }
403 
404 static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
405 {
406 	return false;
407 }
408 
409 #endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
410 
411 /*
412  * Debug
413  */
414 
415 struct hda_dsp_msg_code {
416 	u32 code;
417 	const char *text;
418 };
419 
420 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
421 static bool hda_use_msi = true;
422 module_param_named(use_msi, hda_use_msi, bool, 0444);
423 MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
424 #else
425 #define hda_use_msi	(1)
426 #endif
427 
428 int sof_hda_position_quirk = SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS;
429 module_param_named(position_quirk, sof_hda_position_quirk, int, 0444);
430 MODULE_PARM_DESC(position_quirk, "SOF HDaudio position quirk");
431 
432 static char *hda_model;
433 module_param(hda_model, charp, 0444);
434 MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
435 
436 static int dmic_num_override = -1;
437 module_param_named(dmic_num, dmic_num_override, int, 0444);
438 MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
439 
440 static int mclk_id_override = -1;
441 module_param_named(mclk_id, mclk_id_override, int, 0444);
442 MODULE_PARM_DESC(mclk_id, "SOF SSP mclk_id");
443 
444 static const struct hda_dsp_msg_code hda_dsp_rom_fw_error_texts[] = {
445 	{HDA_DSP_ROM_CSE_ERROR, "error: cse error"},
446 	{HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"},
447 	{HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"},
448 	{HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"},
449 	{HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"},
450 	{HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"},
451 	{HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"},
452 	{HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"},
453 	{HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"},
454 	{HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"},
455 	{HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"},
456 	{HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"},
457 	{HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"},
458 	{HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"},
459 	{HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"},
460 	{HDA_DSP_ROM_NULL_FW_ENTRY,	"error: null FW entry point"},
461 };
462 
463 #define FSR_ROM_STATE_ENTRY(state)	{FSR_STATE_ROM_##state, #state}
464 static const struct hda_dsp_msg_code fsr_rom_state_names[] = {
465 	FSR_ROM_STATE_ENTRY(INIT),
466 	FSR_ROM_STATE_ENTRY(INIT_DONE),
467 	FSR_ROM_STATE_ENTRY(CSE_MANIFEST_LOADED),
468 	FSR_ROM_STATE_ENTRY(FW_MANIFEST_LOADED),
469 	FSR_ROM_STATE_ENTRY(FW_FW_LOADED),
470 	FSR_ROM_STATE_ENTRY(FW_ENTERED),
471 	FSR_ROM_STATE_ENTRY(VERIFY_FEATURE_MASK),
472 	FSR_ROM_STATE_ENTRY(GET_LOAD_OFFSET),
473 	FSR_ROM_STATE_ENTRY(FETCH_ROM_EXT),
474 	FSR_ROM_STATE_ENTRY(FETCH_ROM_EXT_DONE),
475 	/* CSE states */
476 	FSR_ROM_STATE_ENTRY(CSE_IMR_REQUEST),
477 	FSR_ROM_STATE_ENTRY(CSE_IMR_GRANTED),
478 	FSR_ROM_STATE_ENTRY(CSE_VALIDATE_IMAGE_REQUEST),
479 	FSR_ROM_STATE_ENTRY(CSE_IMAGE_VALIDATED),
480 	FSR_ROM_STATE_ENTRY(CSE_IPC_IFACE_INIT),
481 	FSR_ROM_STATE_ENTRY(CSE_IPC_RESET_PHASE_1),
482 	FSR_ROM_STATE_ENTRY(CSE_IPC_OPERATIONAL_ENTRY),
483 	FSR_ROM_STATE_ENTRY(CSE_IPC_OPERATIONAL),
484 	FSR_ROM_STATE_ENTRY(CSE_IPC_DOWN),
485 };
486 
487 #define FSR_BRINGUP_STATE_ENTRY(state)	{FSR_STATE_BRINGUP_##state, #state}
488 static const struct hda_dsp_msg_code fsr_bringup_state_names[] = {
489 	FSR_BRINGUP_STATE_ENTRY(INIT),
490 	FSR_BRINGUP_STATE_ENTRY(INIT_DONE),
491 	FSR_BRINGUP_STATE_ENTRY(HPSRAM_LOAD),
492 	FSR_BRINGUP_STATE_ENTRY(UNPACK_START),
493 	FSR_BRINGUP_STATE_ENTRY(IMR_RESTORE),
494 	FSR_BRINGUP_STATE_ENTRY(FW_ENTERED),
495 };
496 
497 #define FSR_WAIT_STATE_ENTRY(state)	{FSR_WAIT_FOR_##state, #state}
498 static const struct hda_dsp_msg_code fsr_wait_state_names[] = {
499 	FSR_WAIT_STATE_ENTRY(IPC_BUSY),
500 	FSR_WAIT_STATE_ENTRY(IPC_DONE),
501 	FSR_WAIT_STATE_ENTRY(CACHE_INVALIDATION),
502 	FSR_WAIT_STATE_ENTRY(LP_SRAM_OFF),
503 	FSR_WAIT_STATE_ENTRY(DMA_BUFFER_FULL),
504 	FSR_WAIT_STATE_ENTRY(CSE_CSR),
505 };
506 
507 #define FSR_MODULE_NAME_ENTRY(mod)	[FSR_MOD_##mod] = #mod
508 static const char * const fsr_module_names[] = {
509 	FSR_MODULE_NAME_ENTRY(ROM),
510 	FSR_MODULE_NAME_ENTRY(ROM_BYP),
511 	FSR_MODULE_NAME_ENTRY(BASE_FW),
512 	FSR_MODULE_NAME_ENTRY(LP_BOOT),
513 	FSR_MODULE_NAME_ENTRY(BRNGUP),
514 	FSR_MODULE_NAME_ENTRY(ROM_EXT),
515 };
516 
517 static const char *
518 hda_dsp_get_state_text(u32 code, const struct hda_dsp_msg_code *msg_code,
519 		       size_t array_size)
520 {
521 	int i;
522 
523 	for (i = 0; i < array_size; i++) {
524 		if (code == msg_code[i].code)
525 			return msg_code[i].text;
526 	}
527 
528 	return NULL;
529 }
530 
531 static void hda_dsp_get_state(struct snd_sof_dev *sdev, const char *level)
532 {
533 	const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
534 	const char *state_text, *error_text, *module_text;
535 	u32 fsr, state, wait_state, module, error_code;
536 
537 	fsr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg);
538 	state = FSR_TO_STATE_CODE(fsr);
539 	wait_state = FSR_TO_WAIT_STATE_CODE(fsr);
540 	module = FSR_TO_MODULE_CODE(fsr);
541 
542 	if (module > FSR_MOD_ROM_EXT)
543 		module_text = "unknown";
544 	else
545 		module_text = fsr_module_names[module];
546 
547 	if (module == FSR_MOD_BRNGUP)
548 		state_text = hda_dsp_get_state_text(state, fsr_bringup_state_names,
549 						    ARRAY_SIZE(fsr_bringup_state_names));
550 	else
551 		state_text = hda_dsp_get_state_text(state, fsr_rom_state_names,
552 						    ARRAY_SIZE(fsr_rom_state_names));
553 
554 	/* not for us, must be generic sof message */
555 	if (!state_text) {
556 		dev_printk(level, sdev->dev, "%#010x: unknown ROM status value\n", fsr);
557 		return;
558 	}
559 
560 	if (wait_state) {
561 		const char *wait_state_text;
562 
563 		wait_state_text = hda_dsp_get_state_text(wait_state, fsr_wait_state_names,
564 							 ARRAY_SIZE(fsr_wait_state_names));
565 		if (!wait_state_text)
566 			wait_state_text = "unknown";
567 
568 		dev_printk(level, sdev->dev,
569 			   "%#010x: module: %s, state: %s, waiting for: %s, %s\n",
570 			   fsr, module_text, state_text, wait_state_text,
571 			   fsr & FSR_HALTED ? "not running" : "running");
572 	} else {
573 		dev_printk(level, sdev->dev, "%#010x: module: %s, state: %s, %s\n",
574 			   fsr, module_text, state_text,
575 			   fsr & FSR_HALTED ? "not running" : "running");
576 	}
577 
578 	error_code = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg + 4);
579 	if (!error_code)
580 		return;
581 
582 	error_text = hda_dsp_get_state_text(error_code, hda_dsp_rom_fw_error_texts,
583 					    ARRAY_SIZE(hda_dsp_rom_fw_error_texts));
584 	if (!error_text)
585 		error_text = "unknown";
586 
587 	if (state == FSR_STATE_FW_ENTERED)
588 		dev_printk(level, sdev->dev, "status code: %#x (%s)\n", error_code,
589 			   error_text);
590 	else
591 		dev_printk(level, sdev->dev, "error code: %#x (%s)\n", error_code,
592 			   error_text);
593 }
594 
595 static void hda_dsp_get_registers(struct snd_sof_dev *sdev,
596 				  struct sof_ipc_dsp_oops_xtensa *xoops,
597 				  struct sof_ipc_panic_info *panic_info,
598 				  u32 *stack, size_t stack_words)
599 {
600 	u32 offset = sdev->dsp_oops_offset;
601 
602 	/* first read registers */
603 	sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
604 
605 	/* note: variable AR register array is not read */
606 
607 	/* then get panic info */
608 	if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
609 		dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
610 			xoops->arch_hdr.totalsize);
611 		return;
612 	}
613 	offset += xoops->arch_hdr.totalsize;
614 	sof_block_read(sdev, sdev->mmio_bar, offset,
615 		       panic_info, sizeof(*panic_info));
616 
617 	/* then get the stack */
618 	offset += sizeof(*panic_info);
619 	sof_block_read(sdev, sdev->mmio_bar, offset, stack,
620 		       stack_words * sizeof(u32));
621 }
622 
623 /* dump the first 8 dwords representing the extended ROM status */
624 static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, const char *level,
625 					u32 flags)
626 {
627 	const struct sof_intel_dsp_desc *chip;
628 	char msg[128];
629 	int len = 0;
630 	u32 value;
631 	int i;
632 
633 	chip = get_chip_info(sdev->pdata);
634 	for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) {
635 		value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg + i * 0x4);
636 		len += scnprintf(msg + len, sizeof(msg) - len, " 0x%x", value);
637 	}
638 
639 	dev_printk(level, sdev->dev, "extended rom status: %s", msg);
640 
641 }
642 
643 void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
644 {
645 	char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR;
646 	struct sof_ipc_dsp_oops_xtensa xoops;
647 	struct sof_ipc_panic_info panic_info;
648 	u32 stack[HDA_DSP_STACK_DUMP_SIZE];
649 
650 	/* print ROM/FW status */
651 	hda_dsp_get_state(sdev, level);
652 
653 	/* The firmware register dump only available with IPC3 */
654 	if (flags & SOF_DBG_DUMP_REGS && sdev->pdata->ipc_type == SOF_IPC) {
655 		u32 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_STATUS);
656 		u32 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP);
657 
658 		hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
659 				      HDA_DSP_STACK_DUMP_SIZE);
660 		sof_print_oops_and_stack(sdev, level, status, panic, &xoops,
661 					 &panic_info, stack, HDA_DSP_STACK_DUMP_SIZE);
662 	} else {
663 		hda_dsp_dump_ext_rom_status(sdev, level, flags);
664 	}
665 }
666 
667 static bool hda_check_ipc_irq(struct snd_sof_dev *sdev)
668 {
669 	const struct sof_intel_dsp_desc *chip;
670 
671 	chip = get_chip_info(sdev->pdata);
672 	if (chip && chip->check_ipc_irq)
673 		return chip->check_ipc_irq(sdev);
674 
675 	return false;
676 }
677 
678 void hda_ipc_irq_dump(struct snd_sof_dev *sdev)
679 {
680 	u32 adspis;
681 	u32 intsts;
682 	u32 intctl;
683 	u32 ppsts;
684 	u8 rirbsts;
685 
686 	/* read key IRQ stats and config registers */
687 	adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS);
688 	intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS);
689 	intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL);
690 	ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS);
691 	rirbsts = snd_sof_dsp_read8(sdev, HDA_DSP_HDA_BAR, AZX_REG_RIRBSTS);
692 
693 	dev_err(sdev->dev, "hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n",
694 		intsts, intctl, rirbsts);
695 	dev_err(sdev->dev, "dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n", ppsts, adspis);
696 }
697 
698 void hda_ipc_dump(struct snd_sof_dev *sdev)
699 {
700 	u32 hipcie;
701 	u32 hipct;
702 	u32 hipcctl;
703 
704 	hda_ipc_irq_dump(sdev);
705 
706 	/* read IPC status */
707 	hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
708 	hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
709 	hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
710 
711 	/* dump the IPC regs */
712 	/* TODO: parse the raw msg */
713 	dev_err(sdev->dev, "host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n",
714 		hipcie, hipct, hipcctl);
715 }
716 
717 void hda_ipc4_dump(struct snd_sof_dev *sdev)
718 {
719 	u32 hipci, hipcie, hipct, hipcte, hipcctl;
720 
721 	hda_ipc_irq_dump(sdev);
722 
723 	hipci = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCI);
724 	hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
725 	hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
726 	hipcte = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCTE);
727 	hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
728 
729 	/* dump the IPC regs */
730 	/* TODO: parse the raw msg */
731 	dev_err(sdev->dev, "Host IPC initiator: %#x|%#x, target: %#x|%#x, ctl: %#x\n",
732 		hipci, hipcie, hipct, hipcte, hipcctl);
733 }
734 
735 bool hda_ipc4_tx_is_busy(struct snd_sof_dev *sdev)
736 {
737 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
738 	const struct sof_intel_dsp_desc *chip = hda->desc;
739 	u32 val;
740 
741 	val = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->ipc_req);
742 
743 	return !!(val & chip->ipc_req_mask);
744 }
745 
746 static int hda_init(struct snd_sof_dev *sdev)
747 {
748 	struct hda_bus *hbus;
749 	struct hdac_bus *bus;
750 	struct pci_dev *pci = to_pci_dev(sdev->dev);
751 	int ret;
752 
753 	hbus = sof_to_hbus(sdev);
754 	bus = sof_to_bus(sdev);
755 
756 	/* HDA bus init */
757 	sof_hda_bus_init(sdev, &pci->dev);
758 
759 	if (sof_hda_position_quirk == SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS)
760 		bus->use_posbuf = 0;
761 	else
762 		bus->use_posbuf = 1;
763 	bus->bdl_pos_adj = 0;
764 	bus->sync_write = 1;
765 
766 	mutex_init(&hbus->prepare_mutex);
767 	hbus->pci = pci;
768 	hbus->mixer_assigned = -1;
769 	hbus->modelname = hda_model;
770 
771 	/* initialise hdac bus */
772 	bus->addr = pci_resource_start(pci, 0);
773 	bus->remap_addr = pci_ioremap_bar(pci, 0);
774 	if (!bus->remap_addr) {
775 		dev_err(bus->dev, "error: ioremap error\n");
776 		return -ENXIO;
777 	}
778 
779 	/* HDA base */
780 	sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
781 
782 	/* init i915 and HDMI codecs */
783 	ret = hda_codec_i915_init(sdev);
784 	if (ret < 0)
785 		dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n");
786 
787 	/* get controller capabilities */
788 	ret = hda_dsp_ctrl_get_caps(sdev);
789 	if (ret < 0)
790 		dev_err(sdev->dev, "error: get caps error\n");
791 
792 	return ret;
793 }
794 
795 static int check_dmic_num(struct snd_sof_dev *sdev)
796 {
797 	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
798 	struct nhlt_acpi_table *nhlt;
799 	int dmic_num = 0;
800 
801 	nhlt = hdev->nhlt;
802 	if (nhlt)
803 		dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
804 
805 	/* allow for module parameter override */
806 	if (dmic_num_override != -1) {
807 		dev_dbg(sdev->dev,
808 			"overriding DMICs detected in NHLT tables %d by kernel param %d\n",
809 			dmic_num, dmic_num_override);
810 		dmic_num = dmic_num_override;
811 	}
812 
813 	if (dmic_num < 0 || dmic_num > 4) {
814 		dev_dbg(sdev->dev, "invalid dmic_number %d\n", dmic_num);
815 		dmic_num = 0;
816 	}
817 
818 	return dmic_num;
819 }
820 
821 static int check_nhlt_ssp_mask(struct snd_sof_dev *sdev)
822 {
823 	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
824 	struct nhlt_acpi_table *nhlt;
825 	int ssp_mask = 0;
826 
827 	nhlt = hdev->nhlt;
828 	if (!nhlt)
829 		return ssp_mask;
830 
831 	if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_SSP)) {
832 		ssp_mask = intel_nhlt_ssp_endpoint_mask(nhlt, NHLT_DEVICE_I2S);
833 		if (ssp_mask)
834 			dev_info(sdev->dev, "NHLT_DEVICE_I2S detected, ssp_mask %#x\n", ssp_mask);
835 	}
836 
837 	return ssp_mask;
838 }
839 
840 static int check_nhlt_ssp_mclk_mask(struct snd_sof_dev *sdev, int ssp_num)
841 {
842 	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
843 	struct nhlt_acpi_table *nhlt;
844 
845 	nhlt = hdev->nhlt;
846 	if (!nhlt)
847 		return 0;
848 
849 	return intel_nhlt_ssp_mclk_mask(nhlt, ssp_num);
850 }
851 
852 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
853 
854 static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
855 				   const char *sof_tplg_filename,
856 				   const char *idisp_str,
857 				   const char *dmic_str)
858 {
859 	const char *tplg_filename = NULL;
860 	char *filename, *tmp;
861 	const char *split_ext;
862 
863 	filename = kstrdup(sof_tplg_filename, GFP_KERNEL);
864 	if (!filename)
865 		return NULL;
866 
867 	/* this assumes a .tplg extension */
868 	tmp = filename;
869 	split_ext = strsep(&tmp, ".");
870 	if (split_ext)
871 		tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
872 					       "%s%s%s.tplg",
873 					       split_ext, idisp_str, dmic_str);
874 	kfree(filename);
875 
876 	return tplg_filename;
877 }
878 
879 static int dmic_detect_topology_fixup(struct snd_sof_dev *sdev,
880 				      const char **tplg_filename,
881 				      const char *idisp_str,
882 				      int *dmic_found,
883 				      bool tplg_fixup)
884 {
885 	const char *dmic_str;
886 	int dmic_num;
887 
888 	/* first check for DMICs (using NHLT or module parameter) */
889 	dmic_num = check_dmic_num(sdev);
890 
891 	switch (dmic_num) {
892 	case 1:
893 		dmic_str = "-1ch";
894 		break;
895 	case 2:
896 		dmic_str = "-2ch";
897 		break;
898 	case 3:
899 		dmic_str = "-3ch";
900 		break;
901 	case 4:
902 		dmic_str = "-4ch";
903 		break;
904 	default:
905 		dmic_num = 0;
906 		dmic_str = "";
907 		break;
908 	}
909 
910 	if (tplg_fixup) {
911 		const char *default_tplg_filename = *tplg_filename;
912 		const char *fixed_tplg_filename;
913 
914 		fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename,
915 						      idisp_str, dmic_str);
916 		if (!fixed_tplg_filename)
917 			return -ENOMEM;
918 		*tplg_filename = fixed_tplg_filename;
919 	}
920 
921 	dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num);
922 	*dmic_found = dmic_num;
923 
924 	return 0;
925 }
926 #endif
927 
928 static int hda_init_caps(struct snd_sof_dev *sdev)
929 {
930 	struct hdac_bus *bus = sof_to_bus(sdev);
931 	struct snd_sof_pdata *pdata = sdev->pdata;
932 	struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
933 	u32 link_mask;
934 	int ret = 0;
935 
936 	/* check if dsp is there */
937 	if (bus->ppcap)
938 		dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
939 
940 	/* Init HDA controller after i915 init */
941 	ret = hda_dsp_ctrl_init_chip(sdev);
942 	if (ret < 0) {
943 		dev_err(bus->dev, "error: init chip failed with ret: %d\n",
944 			ret);
945 		return ret;
946 	}
947 
948 	hda_bus_ml_get_capabilities(bus);
949 
950 	/* scan SoundWire capabilities exposed by DSDT */
951 	ret = hda_sdw_acpi_scan(sdev);
952 	if (ret < 0) {
953 		dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n");
954 		goto skip_soundwire;
955 	}
956 
957 	link_mask = hdev->info.link_mask;
958 	if (!link_mask) {
959 		dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
960 		goto skip_soundwire;
961 	}
962 
963 	/*
964 	 * probe/allocate SoundWire resources.
965 	 * The hardware configuration takes place in hda_sdw_startup
966 	 * after power rails are enabled.
967 	 * It's entirely possible to have a mix of I2S/DMIC/SoundWire
968 	 * devices, so we allocate the resources in all cases.
969 	 */
970 	ret = hda_sdw_probe(sdev);
971 	if (ret < 0) {
972 		dev_err(sdev->dev, "error: SoundWire probe error\n");
973 		return ret;
974 	}
975 
976 skip_soundwire:
977 
978 	/* create codec instances */
979 	hda_codec_probe_bus(sdev);
980 
981 	if (!HDA_IDISP_CODEC(bus->codec_mask))
982 		hda_codec_i915_display_power(sdev, false);
983 
984 	hda_bus_ml_put_all(bus);
985 
986 	return 0;
987 }
988 
989 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
990 {
991 	struct snd_sof_dev *sdev = context;
992 
993 	/*
994 	 * Get global interrupt status. It includes all hardware interrupt
995 	 * sources in the Intel HD Audio controller.
996 	 */
997 	if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
998 	    SOF_HDA_INTSTS_GIS) {
999 
1000 		/* disable GIE interrupt */
1001 		snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
1002 					SOF_HDA_INTCTL,
1003 					SOF_HDA_INT_GLOBAL_EN,
1004 					0);
1005 
1006 		return IRQ_WAKE_THREAD;
1007 	}
1008 
1009 	return IRQ_NONE;
1010 }
1011 
1012 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
1013 {
1014 	struct snd_sof_dev *sdev = context;
1015 	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
1016 
1017 	/* deal with streams and controller first */
1018 	if (hda_dsp_check_stream_irq(sdev)) {
1019 		trace_sof_intel_hda_irq(sdev, "stream");
1020 		hda_dsp_stream_threaded_handler(irq, sdev);
1021 	}
1022 
1023 	if (hda_check_ipc_irq(sdev)) {
1024 		trace_sof_intel_hda_irq(sdev, "ipc");
1025 		sof_ops(sdev)->irq_thread(irq, sdev);
1026 	}
1027 
1028 	if (hda_dsp_check_sdw_irq(sdev)) {
1029 		trace_sof_intel_hda_irq(sdev, "sdw");
1030 		hda_dsp_sdw_thread(irq, hdev->sdw);
1031 	}
1032 
1033 	if (hda_sdw_check_wakeen_irq(sdev)) {
1034 		trace_sof_intel_hda_irq(sdev, "wakeen");
1035 		hda_sdw_process_wakeen(sdev);
1036 	}
1037 
1038 	hda_codec_check_for_state_change(sdev);
1039 
1040 	/* enable GIE interrupt */
1041 	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
1042 				SOF_HDA_INTCTL,
1043 				SOF_HDA_INT_GLOBAL_EN,
1044 				SOF_HDA_INT_GLOBAL_EN);
1045 
1046 	return IRQ_HANDLED;
1047 }
1048 
1049 int hda_dsp_probe(struct snd_sof_dev *sdev)
1050 {
1051 	struct pci_dev *pci = to_pci_dev(sdev->dev);
1052 	struct sof_intel_hda_dev *hdev;
1053 	struct hdac_bus *bus;
1054 	const struct sof_intel_dsp_desc *chip;
1055 	int ret = 0;
1056 
1057 	/*
1058 	 * detect DSP by checking class/subclass/prog-id information
1059 	 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
1060 	 * class=04 subclass 01 prog-if 00: DSP is present
1061 	 *   (and may be required e.g. for DMIC or SSP support)
1062 	 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
1063 	 */
1064 	if (pci->class == 0x040300) {
1065 		dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n");
1066 		return -ENODEV;
1067 	} else if (pci->class != 0x040100 && pci->class != 0x040380) {
1068 		dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class);
1069 		return -ENODEV;
1070 	}
1071 	dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class);
1072 
1073 	chip = get_chip_info(sdev->pdata);
1074 	if (!chip) {
1075 		dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
1076 			pci->device);
1077 		ret = -EIO;
1078 		goto err;
1079 	}
1080 
1081 	sdev->num_cores = chip->cores_num;
1082 
1083 	hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
1084 	if (!hdev)
1085 		return -ENOMEM;
1086 	sdev->pdata->hw_pdata = hdev;
1087 	hdev->desc = chip;
1088 
1089 	hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
1090 						       PLATFORM_DEVID_NONE,
1091 						       NULL, 0);
1092 	if (IS_ERR(hdev->dmic_dev)) {
1093 		dev_err(sdev->dev, "error: failed to create DMIC device\n");
1094 		return PTR_ERR(hdev->dmic_dev);
1095 	}
1096 
1097 	/*
1098 	 * use position update IPC if either it is forced
1099 	 * or we don't have other choice
1100 	 */
1101 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
1102 	hdev->no_ipc_position = 0;
1103 #else
1104 	hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
1105 #endif
1106 
1107 	/* set up HDA base */
1108 	bus = sof_to_bus(sdev);
1109 	ret = hda_init(sdev);
1110 	if (ret < 0)
1111 		goto hdac_bus_unmap;
1112 
1113 	/* DSP base */
1114 	sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
1115 	if (!sdev->bar[HDA_DSP_BAR]) {
1116 		dev_err(sdev->dev, "error: ioremap error\n");
1117 		ret = -ENXIO;
1118 		goto hdac_bus_unmap;
1119 	}
1120 
1121 	sdev->mmio_bar = HDA_DSP_BAR;
1122 	sdev->mailbox_bar = HDA_DSP_BAR;
1123 
1124 	/* allow 64bit DMA address if supported by H/W */
1125 	if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) {
1126 		dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
1127 		dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32));
1128 	}
1129 	dma_set_max_seg_size(&pci->dev, UINT_MAX);
1130 
1131 	/* init streams */
1132 	ret = hda_dsp_stream_init(sdev);
1133 	if (ret < 0) {
1134 		dev_err(sdev->dev, "error: failed to init streams\n");
1135 		/*
1136 		 * not all errors are due to memory issues, but trying
1137 		 * to free everything does not harm
1138 		 */
1139 		goto free_streams;
1140 	}
1141 
1142 	/*
1143 	 * register our IRQ
1144 	 * let's try to enable msi firstly
1145 	 * if it fails, use legacy interrupt mode
1146 	 * TODO: support msi multiple vectors
1147 	 */
1148 	if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
1149 		dev_info(sdev->dev, "use msi interrupt mode\n");
1150 		sdev->ipc_irq = pci_irq_vector(pci, 0);
1151 		/* initialised to "false" by kzalloc() */
1152 		sdev->msi_enabled = true;
1153 	}
1154 
1155 	if (!sdev->msi_enabled) {
1156 		dev_info(sdev->dev, "use legacy interrupt mode\n");
1157 		/*
1158 		 * in IO-APIC mode, hda->irq and ipc_irq are using the same
1159 		 * irq number of pci->irq
1160 		 */
1161 		sdev->ipc_irq = pci->irq;
1162 	}
1163 
1164 	dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
1165 	ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
1166 				   hda_dsp_interrupt_thread,
1167 				   IRQF_SHARED, "AudioDSP", sdev);
1168 	if (ret < 0) {
1169 		dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
1170 			sdev->ipc_irq);
1171 		goto free_irq_vector;
1172 	}
1173 
1174 	pci_set_master(pci);
1175 	synchronize_irq(pci->irq);
1176 
1177 	/*
1178 	 * clear TCSEL to clear playback on some HD Audio
1179 	 * codecs. PCI TCSEL is defined in the Intel manuals.
1180 	 */
1181 	snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
1182 
1183 	/* init HDA capabilities */
1184 	ret = hda_init_caps(sdev);
1185 	if (ret < 0)
1186 		goto free_ipc_irq;
1187 
1188 	/* enable ppcap interrupt */
1189 	hda_dsp_ctrl_ppcap_enable(sdev, true);
1190 	hda_dsp_ctrl_ppcap_int_enable(sdev, true);
1191 
1192 	/* set default mailbox offset for FW ready message */
1193 	sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
1194 
1195 	INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work);
1196 
1197 	init_waitqueue_head(&hdev->waitq);
1198 
1199 	hdev->nhlt = intel_nhlt_init(sdev->dev);
1200 
1201 	return 0;
1202 
1203 free_ipc_irq:
1204 	free_irq(sdev->ipc_irq, sdev);
1205 free_irq_vector:
1206 	if (sdev->msi_enabled)
1207 		pci_free_irq_vectors(pci);
1208 free_streams:
1209 	hda_dsp_stream_free(sdev);
1210 /* dsp_unmap: not currently used */
1211 	iounmap(sdev->bar[HDA_DSP_BAR]);
1212 hdac_bus_unmap:
1213 	platform_device_unregister(hdev->dmic_dev);
1214 	iounmap(bus->remap_addr);
1215 	hda_codec_i915_exit(sdev);
1216 err:
1217 	return ret;
1218 }
1219 
1220 int hda_dsp_remove(struct snd_sof_dev *sdev)
1221 {
1222 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
1223 	const struct sof_intel_dsp_desc *chip = hda->desc;
1224 	struct hdac_bus *bus = sof_to_bus(sdev);
1225 	struct pci_dev *pci = to_pci_dev(sdev->dev);
1226 	struct nhlt_acpi_table *nhlt = hda->nhlt;
1227 
1228 	if (nhlt)
1229 		intel_nhlt_free(nhlt);
1230 
1231 	/* cancel any attempt for DSP D0I3 */
1232 	cancel_delayed_work_sync(&hda->d0i3_work);
1233 
1234 	hda_codec_device_remove(sdev);
1235 
1236 	hda_sdw_exit(sdev);
1237 
1238 	if (!IS_ERR_OR_NULL(hda->dmic_dev))
1239 		platform_device_unregister(hda->dmic_dev);
1240 
1241 	/* disable DSP IRQ */
1242 	snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
1243 				SOF_HDA_PPCTL_PIE, 0);
1244 
1245 	/* disable CIE and GIE interrupts */
1246 	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
1247 				SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
1248 
1249 	/* no need to check for error as the DSP will be disabled anyway */
1250 	if (chip && chip->power_down_dsp)
1251 		chip->power_down_dsp(sdev);
1252 
1253 	/* disable DSP */
1254 	snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
1255 				SOF_HDA_PPCTL_GPROCEN, 0);
1256 
1257 	free_irq(sdev->ipc_irq, sdev);
1258 	if (sdev->msi_enabled)
1259 		pci_free_irq_vectors(pci);
1260 
1261 	hda_dsp_stream_free(sdev);
1262 
1263 	hda_bus_ml_free(sof_to_bus(sdev));
1264 
1265 	iounmap(sdev->bar[HDA_DSP_BAR]);
1266 	iounmap(bus->remap_addr);
1267 
1268 	sof_hda_bus_exit(sdev);
1269 
1270 	hda_codec_i915_exit(sdev);
1271 
1272 	return 0;
1273 }
1274 
1275 int hda_power_down_dsp(struct snd_sof_dev *sdev)
1276 {
1277 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
1278 	const struct sof_intel_dsp_desc *chip = hda->desc;
1279 
1280 	return hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask);
1281 }
1282 
1283 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
1284 static void hda_generic_machine_select(struct snd_sof_dev *sdev,
1285 				       struct snd_soc_acpi_mach **mach)
1286 {
1287 	struct hdac_bus *bus = sof_to_bus(sdev);
1288 	struct snd_soc_acpi_mach_params *mach_params;
1289 	struct snd_soc_acpi_mach *hda_mach;
1290 	struct snd_sof_pdata *pdata = sdev->pdata;
1291 	const char *tplg_filename;
1292 	const char *idisp_str;
1293 	int dmic_num = 0;
1294 	int codec_num = 0;
1295 	int ret;
1296 	int i;
1297 
1298 	/* codec detection */
1299 	if (!bus->codec_mask) {
1300 		dev_info(bus->dev, "no hda codecs found!\n");
1301 	} else {
1302 		dev_info(bus->dev, "hda codecs found, mask %lx\n",
1303 			 bus->codec_mask);
1304 
1305 		for (i = 0; i < HDA_MAX_CODECS; i++) {
1306 			if (bus->codec_mask & (1 << i))
1307 				codec_num++;
1308 		}
1309 
1310 		/*
1311 		 * If no machine driver is found, then:
1312 		 *
1313 		 * generic hda machine driver can handle:
1314 		 *  - one HDMI codec, and/or
1315 		 *  - one external HDAudio codec
1316 		 */
1317 		if (!*mach && codec_num <= 2) {
1318 			bool tplg_fixup;
1319 
1320 			hda_mach = snd_soc_acpi_intel_hda_machines;
1321 
1322 			dev_info(bus->dev, "using HDA machine driver %s now\n",
1323 				 hda_mach->drv_name);
1324 
1325 			if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask))
1326 				idisp_str = "-idisp";
1327 			else
1328 				idisp_str = "";
1329 
1330 			/* topology: use the info from hda_machines */
1331 			if (pdata->tplg_filename) {
1332 				tplg_fixup = false;
1333 				tplg_filename = pdata->tplg_filename;
1334 			} else {
1335 				tplg_fixup = true;
1336 				tplg_filename = hda_mach->sof_tplg_filename;
1337 			}
1338 			ret = dmic_detect_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num,
1339 							 tplg_fixup);
1340 			if (ret < 0)
1341 				return;
1342 
1343 			hda_mach->mach_params.dmic_num = dmic_num;
1344 			pdata->tplg_filename = tplg_filename;
1345 
1346 			if (codec_num == 2) {
1347 				/*
1348 				 * Prevent SoundWire links from starting when an external
1349 				 * HDaudio codec is used
1350 				 */
1351 				hda_mach->mach_params.link_mask = 0;
1352 			}
1353 
1354 			*mach = hda_mach;
1355 		}
1356 	}
1357 
1358 	/* used by hda machine driver to create dai links */
1359 	if (*mach) {
1360 		mach_params = &(*mach)->mach_params;
1361 		mach_params->codec_mask = bus->codec_mask;
1362 		mach_params->common_hdmi_codec_drv = true;
1363 	}
1364 }
1365 #else
1366 static void hda_generic_machine_select(struct snd_sof_dev *sdev,
1367 				       struct snd_soc_acpi_mach **mach)
1368 {
1369 }
1370 #endif
1371 
1372 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
1373 
1374 #define SDW_CODEC_ADR_MASK(_adr) ((_adr) & (SDW_DISCO_LINK_ID_MASK | SDW_VERSION_MASK | \
1375 				  SDW_MFG_ID_MASK | SDW_PART_ID_MASK))
1376 
1377 /* Check if all Slaves defined on the link can be found */
1378 static bool link_slaves_found(struct snd_sof_dev *sdev,
1379 			      const struct snd_soc_acpi_link_adr *link,
1380 			      struct sdw_intel_ctx *sdw)
1381 {
1382 	struct hdac_bus *bus = sof_to_bus(sdev);
1383 	struct sdw_intel_slave_id *ids = sdw->ids;
1384 	int num_slaves = sdw->num_slaves;
1385 	unsigned int part_id, link_id, unique_id, mfg_id, version;
1386 	int i, j, k;
1387 
1388 	for (i = 0; i < link->num_adr; i++) {
1389 		u64 adr = link->adr_d[i].adr;
1390 		int reported_part_count = 0;
1391 
1392 		mfg_id = SDW_MFG_ID(adr);
1393 		part_id = SDW_PART_ID(adr);
1394 		link_id = SDW_DISCO_LINK_ID(adr);
1395 		version = SDW_VERSION(adr);
1396 
1397 		for (j = 0; j < num_slaves; j++) {
1398 			/* find out how many identical parts were reported on that link */
1399 			if (ids[j].link_id == link_id &&
1400 			    ids[j].id.part_id == part_id &&
1401 			    ids[j].id.mfg_id == mfg_id &&
1402 			    ids[j].id.sdw_version == version)
1403 				reported_part_count++;
1404 		}
1405 
1406 		for (j = 0; j < num_slaves; j++) {
1407 			int expected_part_count = 0;
1408 
1409 			if (ids[j].link_id != link_id ||
1410 			    ids[j].id.part_id != part_id ||
1411 			    ids[j].id.mfg_id != mfg_id ||
1412 			    ids[j].id.sdw_version != version)
1413 				continue;
1414 
1415 			/* find out how many identical parts are expected */
1416 			for (k = 0; k < link->num_adr; k++) {
1417 				u64 adr2 = link->adr_d[k].adr;
1418 
1419 				if (SDW_CODEC_ADR_MASK(adr2) == SDW_CODEC_ADR_MASK(adr))
1420 					expected_part_count++;
1421 			}
1422 
1423 			if (reported_part_count == expected_part_count) {
1424 				/*
1425 				 * we have to check unique id
1426 				 * if there is more than one
1427 				 * Slave on the link
1428 				 */
1429 				unique_id = SDW_UNIQUE_ID(adr);
1430 				if (reported_part_count == 1 ||
1431 				    ids[j].id.unique_id == unique_id) {
1432 					dev_dbg(bus->dev, "found %x at link %d\n",
1433 						part_id, link_id);
1434 					break;
1435 				}
1436 			} else {
1437 				dev_dbg(bus->dev, "part %x reported %d expected %d on link %d, skipping\n",
1438 					part_id, reported_part_count, expected_part_count, link_id);
1439 			}
1440 		}
1441 		if (j == num_slaves) {
1442 			dev_dbg(bus->dev,
1443 				"Slave %x not found\n",
1444 				part_id);
1445 			return false;
1446 		}
1447 	}
1448 	return true;
1449 }
1450 
1451 static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1452 {
1453 	struct snd_sof_pdata *pdata = sdev->pdata;
1454 	const struct snd_soc_acpi_link_adr *link;
1455 	struct snd_soc_acpi_mach *mach;
1456 	struct sof_intel_hda_dev *hdev;
1457 	u32 link_mask;
1458 	int i;
1459 
1460 	hdev = pdata->hw_pdata;
1461 	link_mask = hdev->info.link_mask;
1462 
1463 	/*
1464 	 * Select SoundWire machine driver if needed using the
1465 	 * alternate tables. This case deals with SoundWire-only
1466 	 * machines, for mixed cases with I2C/I2S the detection relies
1467 	 * on the HID list.
1468 	 */
1469 	if (link_mask) {
1470 		for (mach = pdata->desc->alt_machines;
1471 		     mach && mach->link_mask; mach++) {
1472 			/*
1473 			 * On some platforms such as Up Extreme all links
1474 			 * are enabled but only one link can be used by
1475 			 * external codec. Instead of exact match of two masks,
1476 			 * first check whether link_mask of mach is subset of
1477 			 * link_mask supported by hw and then go on searching
1478 			 * link_adr
1479 			 */
1480 			if (~link_mask & mach->link_mask)
1481 				continue;
1482 
1483 			/* No need to match adr if there is no links defined */
1484 			if (!mach->links)
1485 				break;
1486 
1487 			link = mach->links;
1488 			for (i = 0; i < hdev->info.count && link->num_adr;
1489 			     i++, link++) {
1490 				/*
1491 				 * Try next machine if any expected Slaves
1492 				 * are not found on this link.
1493 				 */
1494 				if (!link_slaves_found(sdev, link, hdev->sdw))
1495 					break;
1496 			}
1497 			/* Found if all Slaves are checked */
1498 			if (i == hdev->info.count || !link->num_adr)
1499 				break;
1500 		}
1501 		if (mach && mach->link_mask) {
1502 			int dmic_num = 0;
1503 			bool tplg_fixup;
1504 			const char *tplg_filename;
1505 
1506 			mach->mach_params.links = mach->links;
1507 			mach->mach_params.link_mask = mach->link_mask;
1508 			mach->mach_params.platform = dev_name(sdev->dev);
1509 
1510 			if (pdata->tplg_filename) {
1511 				tplg_fixup = false;
1512 			} else {
1513 				tplg_fixup = true;
1514 				tplg_filename = mach->sof_tplg_filename;
1515 			}
1516 
1517 			/*
1518 			 * DMICs use up to 4 pins and are typically pin-muxed with SoundWire
1519 			 * link 2 and 3, or link 1 and 2, thus we only try to enable dmics
1520 			 * if all conditions are true:
1521 			 * a) 2 or fewer links are used by SoundWire
1522 			 * b) the NHLT table reports the presence of microphones
1523 			 */
1524 			if (hweight_long(mach->link_mask) <= 2) {
1525 				int ret;
1526 
1527 				ret = dmic_detect_topology_fixup(sdev, &tplg_filename, "",
1528 								 &dmic_num, tplg_fixup);
1529 				if (ret < 0)
1530 					return NULL;
1531 			}
1532 			if (tplg_fixup)
1533 				pdata->tplg_filename = tplg_filename;
1534 			mach->mach_params.dmic_num = dmic_num;
1535 
1536 			dev_dbg(sdev->dev,
1537 				"SoundWire machine driver %s topology %s\n",
1538 				mach->drv_name,
1539 				pdata->tplg_filename);
1540 
1541 			return mach;
1542 		}
1543 
1544 		dev_info(sdev->dev, "No SoundWire machine driver found\n");
1545 	}
1546 
1547 	return NULL;
1548 }
1549 #else
1550 static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1551 {
1552 	return NULL;
1553 }
1554 #endif
1555 
1556 void hda_set_mach_params(struct snd_soc_acpi_mach *mach,
1557 			 struct snd_sof_dev *sdev)
1558 {
1559 	struct snd_sof_pdata *pdata = sdev->pdata;
1560 	const struct sof_dev_desc *desc = pdata->desc;
1561 	struct snd_soc_acpi_mach_params *mach_params;
1562 
1563 	mach_params = &mach->mach_params;
1564 	mach_params->platform = dev_name(sdev->dev);
1565 	mach_params->num_dai_drivers = desc->ops->num_drv;
1566 	mach_params->dai_drivers = desc->ops->drv;
1567 }
1568 
1569 struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev)
1570 {
1571 	struct snd_sof_pdata *sof_pdata = sdev->pdata;
1572 	const struct sof_dev_desc *desc = sof_pdata->desc;
1573 	struct snd_soc_acpi_mach *mach;
1574 	const char *tplg_filename;
1575 
1576 	mach = snd_soc_acpi_find_machine(desc->machines);
1577 	if (mach) {
1578 		bool add_extension = false;
1579 		bool tplg_fixup = false;
1580 
1581 		/*
1582 		 * If tplg file name is overridden, use it instead of
1583 		 * the one set in mach table
1584 		 */
1585 		if (!sof_pdata->tplg_filename) {
1586 			sof_pdata->tplg_filename = mach->sof_tplg_filename;
1587 			tplg_fixup = true;
1588 		}
1589 
1590 		/* report to machine driver if any DMICs are found */
1591 		mach->mach_params.dmic_num = check_dmic_num(sdev);
1592 
1593 		if (tplg_fixup &&
1594 		    mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER &&
1595 		    mach->mach_params.dmic_num) {
1596 			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1597 						       "%s%s%d%s",
1598 						       sof_pdata->tplg_filename,
1599 						       "-dmic",
1600 						       mach->mach_params.dmic_num,
1601 						       "ch");
1602 			if (!tplg_filename)
1603 				return NULL;
1604 
1605 			sof_pdata->tplg_filename = tplg_filename;
1606 			add_extension = true;
1607 		}
1608 
1609 		if (mach->link_mask) {
1610 			mach->mach_params.links = mach->links;
1611 			mach->mach_params.link_mask = mach->link_mask;
1612 		}
1613 
1614 		/* report SSP link mask to machine driver */
1615 		mach->mach_params.i2s_link_mask = check_nhlt_ssp_mask(sdev);
1616 
1617 		if (tplg_fixup &&
1618 		    mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER &&
1619 		    mach->mach_params.i2s_link_mask) {
1620 			const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
1621 			int ssp_num;
1622 			int mclk_mask;
1623 
1624 			if (hweight_long(mach->mach_params.i2s_link_mask) > 1 &&
1625 			    !(mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_MSB))
1626 				dev_warn(sdev->dev, "More than one SSP exposed by NHLT, choosing MSB\n");
1627 
1628 			/* fls returns 1-based results, SSPs indices are 0-based */
1629 			ssp_num = fls(mach->mach_params.i2s_link_mask) - 1;
1630 
1631 			if (ssp_num >= chip->ssp_count) {
1632 				dev_err(sdev->dev, "Invalid SSP %d, max on this platform is %d\n",
1633 					ssp_num, chip->ssp_count);
1634 				return NULL;
1635 			}
1636 
1637 			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1638 						       "%s%s%d",
1639 						       sof_pdata->tplg_filename,
1640 						       "-ssp",
1641 						       ssp_num);
1642 			if (!tplg_filename)
1643 				return NULL;
1644 
1645 			sof_pdata->tplg_filename = tplg_filename;
1646 			add_extension = true;
1647 
1648 			mclk_mask = check_nhlt_ssp_mclk_mask(sdev, ssp_num);
1649 
1650 			if (mclk_mask < 0) {
1651 				dev_err(sdev->dev, "Invalid MCLK configuration\n");
1652 				return NULL;
1653 			}
1654 
1655 			dev_dbg(sdev->dev, "MCLK mask %#x found in NHLT\n", mclk_mask);
1656 
1657 			if (mclk_mask) {
1658 				dev_info(sdev->dev, "Overriding topology with MCLK mask %#x from NHLT\n", mclk_mask);
1659 				sdev->mclk_id_override = true;
1660 				sdev->mclk_id_quirk = (mclk_mask & BIT(0)) ? 0 : 1;
1661 			}
1662 		}
1663 
1664 		if (tplg_fixup && add_extension) {
1665 			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1666 						       "%s%s",
1667 						       sof_pdata->tplg_filename,
1668 						       ".tplg");
1669 			if (!tplg_filename)
1670 				return NULL;
1671 
1672 			sof_pdata->tplg_filename = tplg_filename;
1673 		}
1674 
1675 		/* check if mclk_id should be modified from topology defaults */
1676 		if (mclk_id_override >= 0) {
1677 			dev_info(sdev->dev, "Overriding topology with MCLK %d from kernel_parameter\n", mclk_id_override);
1678 			sdev->mclk_id_override = true;
1679 			sdev->mclk_id_quirk = mclk_id_override;
1680 		}
1681 	}
1682 
1683 	/*
1684 	 * If I2S fails, try SoundWire
1685 	 */
1686 	if (!mach)
1687 		mach = hda_sdw_machine_select(sdev);
1688 
1689 	/*
1690 	 * Choose HDA generic machine driver if mach is NULL.
1691 	 * Otherwise, set certain mach params.
1692 	 */
1693 	hda_generic_machine_select(sdev, &mach);
1694 	if (!mach)
1695 		dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
1696 
1697 	return mach;
1698 }
1699 
1700 int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1701 {
1702 	int ret;
1703 
1704 	ret = snd_intel_dsp_driver_probe(pci);
1705 	if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
1706 		dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n");
1707 		return -ENODEV;
1708 	}
1709 
1710 	return sof_pci_probe(pci, pci_id);
1711 }
1712 EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_COMMON);
1713 
1714 int hda_register_clients(struct snd_sof_dev *sdev)
1715 {
1716 	return hda_probes_register(sdev);
1717 }
1718 
1719 void hda_unregister_clients(struct snd_sof_dev *sdev)
1720 {
1721 	hda_probes_unregister(sdev);
1722 }
1723 
1724 MODULE_LICENSE("Dual BSD/GPL");
1725 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
1726 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC);
1727 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
1728 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
1729 MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI);
1730 MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT);
1731 MODULE_IMPORT_NS(SOUNDWIRE_INTEL);
1732