xref: /openbmc/linux/sound/soc/sof/intel/hda.c (revision 666173ee)
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 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
35 #include <sound/soc-acpi-intel-match.h>
36 #endif
37 
38 /* platform specific devices */
39 #include "shim.h"
40 
41 #define EXCEPT_MAX_HDR_SIZE	0x400
42 #define HDA_EXT_ROM_STATUS_SIZE 8
43 
44 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
45 
46 /*
47  * The default for SoundWire clock stop quirks is to power gate the IP
48  * and do a Bus Reset, this will need to be modified when the DSP
49  * needs to remain in D0i3 so that the Master does not lose context
50  * and enumeration is not required on clock restart
51  */
52 static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET;
53 module_param(sdw_clock_stop_quirks, int, 0444);
54 MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
55 
56 static int sdw_params_stream(struct device *dev,
57 			     struct sdw_intel_stream_params_data *params_data)
58 {
59 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
60 	struct snd_soc_dai *d = params_data->dai;
61 	struct sof_ipc_dai_config config;
62 	struct sof_ipc_reply reply;
63 	int link_id = params_data->link_id;
64 	int alh_stream_id = params_data->alh_stream_id;
65 	int ret;
66 	u32 size = sizeof(config);
67 
68 	memset(&config, 0, size);
69 	config.hdr.size = size;
70 	config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
71 	config.type = SOF_DAI_INTEL_ALH;
72 	config.dai_index = (link_id << 8) | (d->id);
73 	config.alh.stream_id = alh_stream_id;
74 
75 	/* send message to DSP */
76 	ret = sof_ipc_tx_message(sdev->ipc,
77 				 config.hdr.cmd, &config, size, &reply,
78 				 sizeof(reply));
79 	if (ret < 0) {
80 		dev_err(sdev->dev,
81 			"error: failed to set DAI hw_params for link %d dai->id %d ALH %d\n",
82 			link_id, d->id, alh_stream_id);
83 	}
84 
85 	return ret;
86 }
87 
88 static int sdw_free_stream(struct device *dev,
89 			   struct sdw_intel_stream_free_data *free_data)
90 {
91 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
92 	struct snd_soc_dai *d = free_data->dai;
93 	struct sof_ipc_dai_config config;
94 	struct sof_ipc_reply reply;
95 	int link_id = free_data->link_id;
96 	int ret;
97 	u32 size = sizeof(config);
98 
99 	memset(&config, 0, size);
100 	config.hdr.size = size;
101 	config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
102 	config.type = SOF_DAI_INTEL_ALH;
103 	config.dai_index = (link_id << 8) | d->id;
104 	config.alh.stream_id = 0xFFFF; /* invalid value on purpose */
105 
106 	/* send message to DSP */
107 	ret = sof_ipc_tx_message(sdev->ipc,
108 				 config.hdr.cmd, &config, size, &reply,
109 				 sizeof(reply));
110 	if (ret < 0) {
111 		dev_err(sdev->dev,
112 			"error: failed to free stream for link %d dai->id %d\n",
113 			link_id, d->id);
114 	}
115 
116 	return ret;
117 }
118 
119 static const struct sdw_intel_ops sdw_callback = {
120 	.params_stream = sdw_params_stream,
121 	.free_stream = sdw_free_stream,
122 };
123 
124 void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable)
125 {
126 	sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable);
127 }
128 
129 static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
130 {
131 	struct sof_intel_hda_dev *hdev;
132 	acpi_handle handle;
133 	int ret;
134 
135 	handle = ACPI_HANDLE(sdev->dev);
136 
137 	/* save ACPI info for the probe step */
138 	hdev = sdev->pdata->hw_pdata;
139 
140 	ret = sdw_intel_acpi_scan(handle, &hdev->info);
141 	if (ret < 0)
142 		return -EINVAL;
143 
144 	return 0;
145 }
146 
147 static int hda_sdw_probe(struct snd_sof_dev *sdev)
148 {
149 	struct sof_intel_hda_dev *hdev;
150 	struct sdw_intel_res res;
151 	void *sdw;
152 
153 	hdev = sdev->pdata->hw_pdata;
154 
155 	memset(&res, 0, sizeof(res));
156 
157 	res.mmio_base = sdev->bar[HDA_DSP_BAR];
158 	res.irq = sdev->ipc_irq;
159 	res.handle = hdev->info.handle;
160 	res.parent = sdev->dev;
161 	res.ops = &sdw_callback;
162 	res.dev = sdev->dev;
163 	res.clock_stop_quirks = sdw_clock_stop_quirks;
164 
165 	/*
166 	 * ops and arg fields are not populated for now,
167 	 * they will be needed when the DAI callbacks are
168 	 * provided
169 	 */
170 
171 	/* we could filter links here if needed, e.g for quirks */
172 	res.count = hdev->info.count;
173 	res.link_mask = hdev->info.link_mask;
174 
175 	sdw = sdw_intel_probe(&res);
176 	if (!sdw) {
177 		dev_err(sdev->dev, "error: SoundWire probe failed\n");
178 		return -EINVAL;
179 	}
180 
181 	/* save context */
182 	hdev->sdw = sdw;
183 
184 	return 0;
185 }
186 
187 int hda_sdw_startup(struct snd_sof_dev *sdev)
188 {
189 	struct sof_intel_hda_dev *hdev;
190 
191 	hdev = sdev->pdata->hw_pdata;
192 
193 	if (!hdev->sdw)
194 		return 0;
195 
196 	return sdw_intel_startup(hdev->sdw);
197 }
198 
199 static int hda_sdw_exit(struct snd_sof_dev *sdev)
200 {
201 	struct sof_intel_hda_dev *hdev;
202 
203 	hdev = sdev->pdata->hw_pdata;
204 
205 	hda_sdw_int_enable(sdev, false);
206 
207 	if (hdev->sdw)
208 		sdw_intel_exit(hdev->sdw);
209 	hdev->sdw = NULL;
210 
211 	return 0;
212 }
213 
214 static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
215 {
216 	struct sof_intel_hda_dev *hdev;
217 	bool ret = false;
218 	u32 irq_status;
219 
220 	hdev = sdev->pdata->hw_pdata;
221 
222 	if (!hdev->sdw)
223 		return ret;
224 
225 	/* store status */
226 	irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
227 
228 	/* invalid message ? */
229 	if (irq_status == 0xffffffff)
230 		goto out;
231 
232 	/* SDW message ? */
233 	if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
234 		ret = true;
235 
236 out:
237 	return ret;
238 }
239 
240 static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
241 {
242 	return sdw_intel_thread(irq, context);
243 }
244 
245 static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
246 {
247 	struct sof_intel_hda_dev *hdev;
248 
249 	hdev = sdev->pdata->hw_pdata;
250 	if (hdev->sdw &&
251 	    snd_sof_dsp_read(sdev, HDA_DSP_BAR,
252 			     HDA_DSP_REG_SNDW_WAKE_STS))
253 		return true;
254 
255 	return false;
256 }
257 
258 void hda_sdw_process_wakeen(struct snd_sof_dev *sdev)
259 {
260 	struct sof_intel_hda_dev *hdev;
261 
262 	hdev = sdev->pdata->hw_pdata;
263 	if (!hdev->sdw)
264 		return;
265 
266 	sdw_intel_process_wakeen_event(hdev->sdw);
267 }
268 
269 #endif
270 
271 /*
272  * Debug
273  */
274 
275 struct hda_dsp_msg_code {
276 	u32 code;
277 	const char *msg;
278 };
279 
280 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
281 static bool hda_use_msi = true;
282 module_param_named(use_msi, hda_use_msi, bool, 0444);
283 MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
284 #else
285 #define hda_use_msi	(1)
286 #endif
287 
288 static char *hda_model;
289 module_param(hda_model, charp, 0444);
290 MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
291 
292 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
293 static int hda_dmic_num = -1;
294 module_param_named(dmic_num, hda_dmic_num, int, 0444);
295 MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
296 #endif
297 
298 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
299 static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI);
300 module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444);
301 MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver");
302 #endif
303 
304 static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = {
305 	{HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"},
306 	{HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"},
307 	{HDA_DSP_ROM_FW_ENTERED, "status: fw entered"},
308 	{HDA_DSP_ROM_CSE_ERROR, "error: cse error"},
309 	{HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"},
310 	{HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"},
311 	{HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"},
312 	{HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"},
313 	{HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"},
314 	{HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"},
315 	{HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"},
316 	{HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"},
317 	{HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"},
318 	{HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"},
319 	{HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"},
320 	{HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"},
321 	{HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"},
322 	{HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"},
323 	{HDA_DSP_ROM_NULL_FW_ENTRY,	"error: null FW entry point"},
324 };
325 
326 static void hda_dsp_get_status(struct snd_sof_dev *sdev)
327 {
328 	u32 status;
329 	int i;
330 
331 	status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
332 				  HDA_DSP_SRAM_REG_ROM_STATUS);
333 
334 	for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) {
335 		if (status == hda_dsp_rom_msg[i].code) {
336 			dev_err(sdev->dev, "%s - code %8.8x\n",
337 				hda_dsp_rom_msg[i].msg, status);
338 			return;
339 		}
340 	}
341 
342 	/* not for us, must be generic sof message */
343 	dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status);
344 }
345 
346 static void hda_dsp_get_registers(struct snd_sof_dev *sdev,
347 				  struct sof_ipc_dsp_oops_xtensa *xoops,
348 				  struct sof_ipc_panic_info *panic_info,
349 				  u32 *stack, size_t stack_words)
350 {
351 	u32 offset = sdev->dsp_oops_offset;
352 
353 	/* first read registers */
354 	sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
355 
356 	/* note: variable AR register array is not read */
357 
358 	/* then get panic info */
359 	if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
360 		dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
361 			xoops->arch_hdr.totalsize);
362 		return;
363 	}
364 	offset += xoops->arch_hdr.totalsize;
365 	sof_block_read(sdev, sdev->mmio_bar, offset,
366 		       panic_info, sizeof(*panic_info));
367 
368 	/* then get the stack */
369 	offset += sizeof(*panic_info);
370 	sof_block_read(sdev, sdev->mmio_bar, offset, stack,
371 		       stack_words * sizeof(u32));
372 }
373 
374 /* dump the first 8 dwords representing the extended ROM status */
375 static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, u32 flags)
376 {
377 	char msg[128];
378 	int len = 0;
379 	u32 value;
380 	int i;
381 
382 	for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) {
383 		value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_ROM_STATUS + i * 0x4);
384 		len += snprintf(msg + len, sizeof(msg) - len, " 0x%x", value);
385 	}
386 
387 	sof_dev_dbg_or_err(sdev->dev, flags & SOF_DBG_DUMP_FORCE_ERR_LEVEL,
388 			   "extended rom status: %s", msg);
389 
390 }
391 
392 void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
393 {
394 	struct sof_ipc_dsp_oops_xtensa xoops;
395 	struct sof_ipc_panic_info panic_info;
396 	u32 stack[HDA_DSP_STACK_DUMP_SIZE];
397 
398 	/* print ROM/FW status */
399 	hda_dsp_get_status(sdev);
400 
401 	/* print panic info if FW boot is complete. Otherwise, print the extended ROM status */
402 	if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) {
403 		u32 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_STATUS);
404 		u32 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP);
405 
406 		hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
407 				      HDA_DSP_STACK_DUMP_SIZE);
408 		snd_sof_get_status(sdev, status, panic, &xoops, &panic_info,
409 				   stack, HDA_DSP_STACK_DUMP_SIZE);
410 	} else {
411 		hda_dsp_dump_ext_rom_status(sdev, flags);
412 	}
413 }
414 
415 void hda_ipc_irq_dump(struct snd_sof_dev *sdev)
416 {
417 	struct hdac_bus *bus = sof_to_bus(sdev);
418 	u32 adspis;
419 	u32 intsts;
420 	u32 intctl;
421 	u32 ppsts;
422 	u8 rirbsts;
423 
424 	/* read key IRQ stats and config registers */
425 	adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS);
426 	intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS);
427 	intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL);
428 	ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS);
429 	rirbsts = snd_hdac_chip_readb(bus, RIRBSTS);
430 
431 	dev_err(sdev->dev,
432 		"error: hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n",
433 		intsts, intctl, rirbsts);
434 	dev_err(sdev->dev,
435 		"error: dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n",
436 		ppsts, adspis);
437 }
438 
439 void hda_ipc_dump(struct snd_sof_dev *sdev)
440 {
441 	u32 hipcie;
442 	u32 hipct;
443 	u32 hipcctl;
444 
445 	hda_ipc_irq_dump(sdev);
446 
447 	/* read IPC status */
448 	hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
449 	hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
450 	hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
451 
452 	/* dump the IPC regs */
453 	/* TODO: parse the raw msg */
454 	dev_err(sdev->dev,
455 		"error: host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n",
456 		hipcie, hipct, hipcctl);
457 }
458 
459 static int hda_init(struct snd_sof_dev *sdev)
460 {
461 	struct hda_bus *hbus;
462 	struct hdac_bus *bus;
463 	struct pci_dev *pci = to_pci_dev(sdev->dev);
464 	int ret;
465 
466 	hbus = sof_to_hbus(sdev);
467 	bus = sof_to_bus(sdev);
468 
469 	/* HDA bus init */
470 	sof_hda_bus_init(bus, &pci->dev);
471 
472 	bus->use_posbuf = 1;
473 	bus->bdl_pos_adj = 0;
474 	bus->sync_write = 1;
475 
476 	mutex_init(&hbus->prepare_mutex);
477 	hbus->pci = pci;
478 	hbus->mixer_assigned = -1;
479 	hbus->modelname = hda_model;
480 
481 	/* initialise hdac bus */
482 	bus->addr = pci_resource_start(pci, 0);
483 	bus->remap_addr = pci_ioremap_bar(pci, 0);
484 	if (!bus->remap_addr) {
485 		dev_err(bus->dev, "error: ioremap error\n");
486 		return -ENXIO;
487 	}
488 
489 	/* HDA base */
490 	sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
491 
492 	/* init i915 and HDMI codecs */
493 	ret = hda_codec_i915_init(sdev);
494 	if (ret < 0)
495 		dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n");
496 
497 	/* get controller capabilities */
498 	ret = hda_dsp_ctrl_get_caps(sdev);
499 	if (ret < 0)
500 		dev_err(sdev->dev, "error: get caps error\n");
501 
502 	return ret;
503 }
504 
505 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
506 
507 static int check_nhlt_dmic(struct snd_sof_dev *sdev)
508 {
509 	struct nhlt_acpi_table *nhlt;
510 	int dmic_num;
511 
512 	nhlt = intel_nhlt_init(sdev->dev);
513 	if (nhlt) {
514 		dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
515 		intel_nhlt_free(nhlt);
516 		if (dmic_num >= 1 && dmic_num <= 4)
517 			return dmic_num;
518 	}
519 
520 	return 0;
521 }
522 
523 static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
524 				   const char *sof_tplg_filename,
525 				   const char *idisp_str,
526 				   const char *dmic_str)
527 {
528 	const char *tplg_filename = NULL;
529 	char *filename, *tmp;
530 	const char *split_ext;
531 
532 	filename = kstrdup(sof_tplg_filename, GFP_KERNEL);
533 	if (!filename)
534 		return NULL;
535 
536 	/* this assumes a .tplg extension */
537 	tmp = filename;
538 	split_ext = strsep(&tmp, ".");
539 	if (split_ext)
540 		tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
541 					       "%s%s%s.tplg",
542 					       split_ext, idisp_str, dmic_str);
543 	kfree(filename);
544 
545 	return tplg_filename;
546 }
547 
548 static int dmic_topology_fixup(struct snd_sof_dev *sdev,
549 			       const char **tplg_filename,
550 			       const char *idisp_str,
551 			       int *dmic_found)
552 {
553 	const char *default_tplg_filename = *tplg_filename;
554 	const char *fixed_tplg_filename;
555 	const char *dmic_str;
556 	int dmic_num;
557 
558 	/* first check NHLT for DMICs */
559 	dmic_num = check_nhlt_dmic(sdev);
560 
561 	/* allow for module parameter override */
562 	if (hda_dmic_num != -1) {
563 		dev_dbg(sdev->dev,
564 			"overriding DMICs detected in NHLT tables %d by kernel param %d\n",
565 			dmic_num, hda_dmic_num);
566 		dmic_num = hda_dmic_num;
567 	}
568 
569 	switch (dmic_num) {
570 	case 1:
571 		dmic_str = "-1ch";
572 		break;
573 	case 2:
574 		dmic_str = "-2ch";
575 		break;
576 	case 3:
577 		dmic_str = "-3ch";
578 		break;
579 	case 4:
580 		dmic_str = "-4ch";
581 		break;
582 	default:
583 		dmic_num = 0;
584 		dmic_str = "";
585 		break;
586 	}
587 
588 	fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename,
589 					      idisp_str, dmic_str);
590 	if (!fixed_tplg_filename)
591 		return -ENOMEM;
592 
593 	dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num);
594 	*dmic_found = dmic_num;
595 	*tplg_filename = fixed_tplg_filename;
596 
597 	return 0;
598 }
599 #endif
600 
601 static int hda_init_caps(struct snd_sof_dev *sdev)
602 {
603 	struct hdac_bus *bus = sof_to_bus(sdev);
604 	struct snd_sof_pdata *pdata = sdev->pdata;
605 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
606 	struct hdac_ext_link *hlink;
607 #endif
608 	struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
609 	u32 link_mask;
610 	int ret = 0;
611 
612 	/* check if dsp is there */
613 	if (bus->ppcap)
614 		dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
615 
616 	/* Init HDA controller after i915 init */
617 	ret = hda_dsp_ctrl_init_chip(sdev, true);
618 	if (ret < 0) {
619 		dev_err(bus->dev, "error: init chip failed with ret: %d\n",
620 			ret);
621 		return ret;
622 	}
623 
624 	/* scan SoundWire capabilities exposed by DSDT */
625 	ret = hda_sdw_acpi_scan(sdev);
626 	if (ret < 0) {
627 		dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n");
628 		goto skip_soundwire;
629 	}
630 
631 	link_mask = hdev->info.link_mask;
632 	if (!link_mask) {
633 		dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
634 		goto skip_soundwire;
635 	}
636 
637 	/*
638 	 * probe/allocate SoundWire resources.
639 	 * The hardware configuration takes place in hda_sdw_startup
640 	 * after power rails are enabled.
641 	 * It's entirely possible to have a mix of I2S/DMIC/SoundWire
642 	 * devices, so we allocate the resources in all cases.
643 	 */
644 	ret = hda_sdw_probe(sdev);
645 	if (ret < 0) {
646 		dev_err(sdev->dev, "error: SoundWire probe error\n");
647 		return ret;
648 	}
649 
650 skip_soundwire:
651 
652 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
653 	if (bus->mlcap)
654 		snd_hdac_ext_bus_get_ml_capabilities(bus);
655 
656 	/* create codec instances */
657 	hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi);
658 
659 	if (!HDA_IDISP_CODEC(bus->codec_mask))
660 		hda_codec_i915_display_power(sdev, false);
661 
662 	/*
663 	 * we are done probing so decrement link counts
664 	 */
665 	list_for_each_entry(hlink, &bus->hlink_list, list)
666 		snd_hdac_ext_bus_link_put(bus, hlink);
667 #endif
668 	return 0;
669 }
670 
671 static const struct sof_intel_dsp_desc
672 	*get_chip_info(struct snd_sof_pdata *pdata)
673 {
674 	const struct sof_dev_desc *desc = pdata->desc;
675 	const struct sof_intel_dsp_desc *chip_info;
676 
677 	chip_info = desc->chip_info;
678 
679 	return chip_info;
680 }
681 
682 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
683 {
684 	struct snd_sof_dev *sdev = context;
685 
686 	/*
687 	 * Get global interrupt status. It includes all hardware interrupt
688 	 * sources in the Intel HD Audio controller.
689 	 */
690 	if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
691 	    SOF_HDA_INTSTS_GIS) {
692 
693 		/* disable GIE interrupt */
694 		snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
695 					SOF_HDA_INTCTL,
696 					SOF_HDA_INT_GLOBAL_EN,
697 					0);
698 
699 		return IRQ_WAKE_THREAD;
700 	}
701 
702 	return IRQ_NONE;
703 }
704 
705 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
706 {
707 	struct snd_sof_dev *sdev = context;
708 	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
709 
710 	/* deal with streams and controller first */
711 	if (hda_dsp_check_stream_irq(sdev))
712 		hda_dsp_stream_threaded_handler(irq, sdev);
713 
714 	if (hda_dsp_check_ipc_irq(sdev))
715 		sof_ops(sdev)->irq_thread(irq, sdev);
716 
717 	if (hda_dsp_check_sdw_irq(sdev))
718 		hda_dsp_sdw_thread(irq, hdev->sdw);
719 
720 	if (hda_sdw_check_wakeen_irq(sdev))
721 		hda_sdw_process_wakeen(sdev);
722 
723 	/* enable GIE interrupt */
724 	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
725 				SOF_HDA_INTCTL,
726 				SOF_HDA_INT_GLOBAL_EN,
727 				SOF_HDA_INT_GLOBAL_EN);
728 
729 	return IRQ_HANDLED;
730 }
731 
732 int hda_dsp_probe(struct snd_sof_dev *sdev)
733 {
734 	struct pci_dev *pci = to_pci_dev(sdev->dev);
735 	struct sof_intel_hda_dev *hdev;
736 	struct hdac_bus *bus;
737 	const struct sof_intel_dsp_desc *chip;
738 	int ret = 0;
739 
740 	/*
741 	 * detect DSP by checking class/subclass/prog-id information
742 	 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
743 	 * class=04 subclass 01 prog-if 00: DSP is present
744 	 *   (and may be required e.g. for DMIC or SSP support)
745 	 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
746 	 */
747 	if (pci->class == 0x040300) {
748 		dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n");
749 		return -ENODEV;
750 	} else if (pci->class != 0x040100 && pci->class != 0x040380) {
751 		dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class);
752 		return -ENODEV;
753 	}
754 	dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class);
755 
756 	chip = get_chip_info(sdev->pdata);
757 	if (!chip) {
758 		dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
759 			pci->device);
760 		ret = -EIO;
761 		goto err;
762 	}
763 
764 	hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
765 	if (!hdev)
766 		return -ENOMEM;
767 	sdev->pdata->hw_pdata = hdev;
768 	hdev->desc = chip;
769 
770 	hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
771 						       PLATFORM_DEVID_NONE,
772 						       NULL, 0);
773 	if (IS_ERR(hdev->dmic_dev)) {
774 		dev_err(sdev->dev, "error: failed to create DMIC device\n");
775 		return PTR_ERR(hdev->dmic_dev);
776 	}
777 
778 	/*
779 	 * use position update IPC if either it is forced
780 	 * or we don't have other choice
781 	 */
782 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
783 	hdev->no_ipc_position = 0;
784 #else
785 	hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
786 #endif
787 
788 	/* set up HDA base */
789 	bus = sof_to_bus(sdev);
790 	ret = hda_init(sdev);
791 	if (ret < 0)
792 		goto hdac_bus_unmap;
793 
794 	/* DSP base */
795 	sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
796 	if (!sdev->bar[HDA_DSP_BAR]) {
797 		dev_err(sdev->dev, "error: ioremap error\n");
798 		ret = -ENXIO;
799 		goto hdac_bus_unmap;
800 	}
801 
802 	sdev->mmio_bar = HDA_DSP_BAR;
803 	sdev->mailbox_bar = HDA_DSP_BAR;
804 
805 	/* allow 64bit DMA address if supported by H/W */
806 	if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) {
807 		dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
808 		dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32));
809 	}
810 
811 	/* init streams */
812 	ret = hda_dsp_stream_init(sdev);
813 	if (ret < 0) {
814 		dev_err(sdev->dev, "error: failed to init streams\n");
815 		/*
816 		 * not all errors are due to memory issues, but trying
817 		 * to free everything does not harm
818 		 */
819 		goto free_streams;
820 	}
821 
822 	/*
823 	 * register our IRQ
824 	 * let's try to enable msi firstly
825 	 * if it fails, use legacy interrupt mode
826 	 * TODO: support msi multiple vectors
827 	 */
828 	if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
829 		dev_info(sdev->dev, "use msi interrupt mode\n");
830 		sdev->ipc_irq = pci_irq_vector(pci, 0);
831 		/* initialised to "false" by kzalloc() */
832 		sdev->msi_enabled = true;
833 	}
834 
835 	if (!sdev->msi_enabled) {
836 		dev_info(sdev->dev, "use legacy interrupt mode\n");
837 		/*
838 		 * in IO-APIC mode, hda->irq and ipc_irq are using the same
839 		 * irq number of pci->irq
840 		 */
841 		sdev->ipc_irq = pci->irq;
842 	}
843 
844 	dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
845 	ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
846 				   hda_dsp_interrupt_thread,
847 				   IRQF_SHARED, "AudioDSP", sdev);
848 	if (ret < 0) {
849 		dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
850 			sdev->ipc_irq);
851 		goto free_irq_vector;
852 	}
853 
854 	pci_set_master(pci);
855 	synchronize_irq(pci->irq);
856 
857 	/*
858 	 * clear TCSEL to clear playback on some HD Audio
859 	 * codecs. PCI TCSEL is defined in the Intel manuals.
860 	 */
861 	snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
862 
863 	/* init HDA capabilities */
864 	ret = hda_init_caps(sdev);
865 	if (ret < 0)
866 		goto free_ipc_irq;
867 
868 	/* enable ppcap interrupt */
869 	hda_dsp_ctrl_ppcap_enable(sdev, true);
870 	hda_dsp_ctrl_ppcap_int_enable(sdev, true);
871 
872 	/* set default mailbox offset for FW ready message */
873 	sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
874 
875 	INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work);
876 
877 	return 0;
878 
879 free_ipc_irq:
880 	free_irq(sdev->ipc_irq, sdev);
881 free_irq_vector:
882 	if (sdev->msi_enabled)
883 		pci_free_irq_vectors(pci);
884 free_streams:
885 	hda_dsp_stream_free(sdev);
886 /* dsp_unmap: not currently used */
887 	iounmap(sdev->bar[HDA_DSP_BAR]);
888 hdac_bus_unmap:
889 	platform_device_unregister(hdev->dmic_dev);
890 	iounmap(bus->remap_addr);
891 	hda_codec_i915_exit(sdev);
892 err:
893 	return ret;
894 }
895 
896 int hda_dsp_remove(struct snd_sof_dev *sdev)
897 {
898 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
899 	struct hdac_bus *bus = sof_to_bus(sdev);
900 	struct pci_dev *pci = to_pci_dev(sdev->dev);
901 	const struct sof_intel_dsp_desc *chip = hda->desc;
902 
903 	/* cancel any attempt for DSP D0I3 */
904 	cancel_delayed_work_sync(&hda->d0i3_work);
905 
906 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
907 	/* codec removal, invoke bus_device_remove */
908 	snd_hdac_ext_bus_device_remove(bus);
909 #endif
910 
911 	hda_sdw_exit(sdev);
912 
913 	if (!IS_ERR_OR_NULL(hda->dmic_dev))
914 		platform_device_unregister(hda->dmic_dev);
915 
916 	/* disable DSP IRQ */
917 	snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
918 				SOF_HDA_PPCTL_PIE, 0);
919 
920 	/* disable CIE and GIE interrupts */
921 	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
922 				SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
923 
924 	/* disable cores */
925 	if (chip)
926 		snd_sof_dsp_core_power_down(sdev, chip->host_managed_cores_mask);
927 
928 	/* disable DSP */
929 	snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
930 				SOF_HDA_PPCTL_GPROCEN, 0);
931 
932 	free_irq(sdev->ipc_irq, sdev);
933 	if (sdev->msi_enabled)
934 		pci_free_irq_vectors(pci);
935 
936 	hda_dsp_stream_free(sdev);
937 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
938 	snd_hdac_link_free_all(bus);
939 #endif
940 
941 	iounmap(sdev->bar[HDA_DSP_BAR]);
942 	iounmap(bus->remap_addr);
943 
944 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
945 	snd_hdac_ext_bus_exit(bus);
946 #endif
947 	hda_codec_i915_exit(sdev);
948 
949 	return 0;
950 }
951 
952 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
953 static int hda_generic_machine_select(struct snd_sof_dev *sdev)
954 {
955 	struct hdac_bus *bus = sof_to_bus(sdev);
956 	struct snd_soc_acpi_mach_params *mach_params;
957 	struct snd_soc_acpi_mach *hda_mach;
958 	struct snd_sof_pdata *pdata = sdev->pdata;
959 	const char *tplg_filename;
960 	const char *idisp_str;
961 	int dmic_num = 0;
962 	int codec_num = 0;
963 	int ret;
964 	int i;
965 
966 	/* codec detection */
967 	if (!bus->codec_mask) {
968 		dev_info(bus->dev, "no hda codecs found!\n");
969 	} else {
970 		dev_info(bus->dev, "hda codecs found, mask %lx\n",
971 			 bus->codec_mask);
972 
973 		for (i = 0; i < HDA_MAX_CODECS; i++) {
974 			if (bus->codec_mask & (1 << i))
975 				codec_num++;
976 		}
977 
978 		/*
979 		 * If no machine driver is found, then:
980 		 *
981 		 * generic hda machine driver can handle:
982 		 *  - one HDMI codec, and/or
983 		 *  - one external HDAudio codec
984 		 */
985 		if (!pdata->machine && codec_num <= 2) {
986 			hda_mach = snd_soc_acpi_intel_hda_machines;
987 
988 			dev_info(bus->dev, "using HDA machine driver %s now\n",
989 				 hda_mach->drv_name);
990 
991 			if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask))
992 				idisp_str = "-idisp";
993 			else
994 				idisp_str = "";
995 
996 			/* topology: use the info from hda_machines */
997 			tplg_filename = hda_mach->sof_tplg_filename;
998 			ret = dmic_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num);
999 			if (ret < 0)
1000 				return ret;
1001 
1002 			hda_mach->mach_params.dmic_num = dmic_num;
1003 			pdata->machine = hda_mach;
1004 			pdata->tplg_filename = tplg_filename;
1005 		}
1006 	}
1007 
1008 	/* used by hda machine driver to create dai links */
1009 	if (pdata->machine) {
1010 		mach_params = (struct snd_soc_acpi_mach_params *)
1011 			&pdata->machine->mach_params;
1012 		mach_params->codec_mask = bus->codec_mask;
1013 		mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi;
1014 	}
1015 
1016 	return 0;
1017 }
1018 #else
1019 static int hda_generic_machine_select(struct snd_sof_dev *sdev)
1020 {
1021 	return 0;
1022 }
1023 #endif
1024 
1025 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
1026 /* Check if all Slaves defined on the link can be found */
1027 static bool link_slaves_found(struct snd_sof_dev *sdev,
1028 			      const struct snd_soc_acpi_link_adr *link,
1029 			      struct sdw_intel_ctx *sdw)
1030 {
1031 	struct hdac_bus *bus = sof_to_bus(sdev);
1032 	struct sdw_intel_slave_id *ids = sdw->ids;
1033 	int num_slaves = sdw->num_slaves;
1034 	unsigned int part_id, link_id, unique_id, mfg_id;
1035 	int i, j, k;
1036 
1037 	for (i = 0; i < link->num_adr; i++) {
1038 		u64 adr = link->adr_d[i].adr;
1039 		int reported_part_count = 0;
1040 
1041 		mfg_id = SDW_MFG_ID(adr);
1042 		part_id = SDW_PART_ID(adr);
1043 		link_id = SDW_DISCO_LINK_ID(adr);
1044 
1045 		for (j = 0; j < num_slaves; j++) {
1046 			/* find out how many identical parts were reported on that link */
1047 			if (ids[j].link_id == link_id &&
1048 			    ids[j].id.part_id == part_id &&
1049 			    ids[j].id.mfg_id == mfg_id)
1050 				reported_part_count++;
1051 		}
1052 
1053 		for (j = 0; j < num_slaves; j++) {
1054 			int expected_part_count = 0;
1055 
1056 			if (ids[j].link_id != link_id ||
1057 			    ids[j].id.part_id != part_id ||
1058 			    ids[j].id.mfg_id != mfg_id)
1059 				continue;
1060 
1061 			/* find out how many identical parts are expected */
1062 			for (k = 0; k < link->num_adr; k++) {
1063 				u64 adr2 = link->adr_d[k].adr;
1064 				unsigned int part_id2, link_id2, mfg_id2;
1065 
1066 				mfg_id2 = SDW_MFG_ID(adr2);
1067 				part_id2 = SDW_PART_ID(adr2);
1068 				link_id2 = SDW_DISCO_LINK_ID(adr2);
1069 
1070 				if (link_id2 == link_id &&
1071 				    part_id2 == part_id &&
1072 				    mfg_id2 == mfg_id)
1073 					expected_part_count++;
1074 			}
1075 
1076 			if (reported_part_count == expected_part_count) {
1077 				/*
1078 				 * we have to check unique id
1079 				 * if there is more than one
1080 				 * Slave on the link
1081 				 */
1082 				unique_id = SDW_UNIQUE_ID(adr);
1083 				if (reported_part_count == 1 ||
1084 				    ids[j].id.unique_id == unique_id) {
1085 					dev_dbg(bus->dev, "found %x at link %d\n",
1086 						part_id, link_id);
1087 					break;
1088 				}
1089 			} else {
1090 				dev_dbg(bus->dev, "part %x reported %d expected %d on link %d, skipping\n",
1091 					part_id, reported_part_count, expected_part_count, link_id);
1092 			}
1093 		}
1094 		if (j == num_slaves) {
1095 			dev_dbg(bus->dev,
1096 				"Slave %x not found\n",
1097 				part_id);
1098 			return false;
1099 		}
1100 	}
1101 	return true;
1102 }
1103 
1104 static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
1105 {
1106 	struct snd_sof_pdata *pdata = sdev->pdata;
1107 	const struct snd_soc_acpi_link_adr *link;
1108 	struct snd_soc_acpi_mach *mach;
1109 	struct sof_intel_hda_dev *hdev;
1110 	u32 link_mask;
1111 	int i;
1112 
1113 	hdev = pdata->hw_pdata;
1114 	link_mask = hdev->info.link_mask;
1115 
1116 	/*
1117 	 * Select SoundWire machine driver if needed using the
1118 	 * alternate tables. This case deals with SoundWire-only
1119 	 * machines, for mixed cases with I2C/I2S the detection relies
1120 	 * on the HID list.
1121 	 */
1122 	if (link_mask && !pdata->machine) {
1123 		for (mach = pdata->desc->alt_machines;
1124 		     mach && mach->link_mask; mach++) {
1125 			/*
1126 			 * On some platforms such as Up Extreme all links
1127 			 * are enabled but only one link can be used by
1128 			 * external codec. Instead of exact match of two masks,
1129 			 * first check whether link_mask of mach is subset of
1130 			 * link_mask supported by hw and then go on searching
1131 			 * link_adr
1132 			 */
1133 			if (~link_mask & mach->link_mask)
1134 				continue;
1135 
1136 			/* No need to match adr if there is no links defined */
1137 			if (!mach->links)
1138 				break;
1139 
1140 			link = mach->links;
1141 			for (i = 0; i < hdev->info.count && link->num_adr;
1142 			     i++, link++) {
1143 				/*
1144 				 * Try next machine if any expected Slaves
1145 				 * are not found on this link.
1146 				 */
1147 				if (!link_slaves_found(sdev, link, hdev->sdw))
1148 					break;
1149 			}
1150 			/* Found if all Slaves are checked */
1151 			if (i == hdev->info.count || !link->num_adr)
1152 				break;
1153 		}
1154 		if (mach && mach->link_mask) {
1155 			int dmic_num = 0;
1156 
1157 			pdata->machine = mach;
1158 			mach->mach_params.links = mach->links;
1159 			mach->mach_params.link_mask = mach->link_mask;
1160 			mach->mach_params.platform = dev_name(sdev->dev);
1161 			if (mach->sof_fw_filename)
1162 				pdata->fw_filename = mach->sof_fw_filename;
1163 			else
1164 				pdata->fw_filename = pdata->desc->default_fw_filename;
1165 			pdata->tplg_filename = mach->sof_tplg_filename;
1166 
1167 			/*
1168 			 * DMICs use up to 4 pins and are typically pin-muxed with SoundWire
1169 			 * link 2 and 3, thus we only try to enable dmics if all conditions
1170 			 * are true:
1171 			 * a) link 2 and 3 are not used by SoundWire
1172 			 * b) the NHLT table reports the presence of microphones
1173 			 */
1174 			if (!(mach->link_mask & GENMASK(3, 2))) {
1175 				const char *tplg_filename = mach->sof_tplg_filename;
1176 				int ret;
1177 
1178 				ret = dmic_topology_fixup(sdev, &tplg_filename, "", &dmic_num);
1179 
1180 				if (ret < 0)
1181 					return ret;
1182 
1183 				pdata->tplg_filename = tplg_filename;
1184 			}
1185 			mach->mach_params.dmic_num = dmic_num;
1186 
1187 			dev_dbg(sdev->dev,
1188 				"SoundWire machine driver %s topology %s\n",
1189 				mach->drv_name,
1190 				pdata->tplg_filename);
1191 		} else {
1192 			dev_info(sdev->dev,
1193 				 "No SoundWire machine driver found\n");
1194 		}
1195 	}
1196 
1197 	return 0;
1198 }
1199 #else
1200 static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
1201 {
1202 	return 0;
1203 }
1204 #endif
1205 
1206 void hda_set_mach_params(const struct snd_soc_acpi_mach *mach,
1207 			 struct snd_sof_dev *sdev)
1208 {
1209 	struct snd_sof_pdata *pdata = sdev->pdata;
1210 	const struct sof_dev_desc *desc = pdata->desc;
1211 	struct snd_soc_acpi_mach_params *mach_params;
1212 
1213 	mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params;
1214 	mach_params->platform = dev_name(sdev->dev);
1215 	mach_params->num_dai_drivers = desc->ops->num_drv;
1216 	mach_params->dai_drivers = desc->ops->drv;
1217 }
1218 
1219 void hda_machine_select(struct snd_sof_dev *sdev)
1220 {
1221 	struct snd_sof_pdata *sof_pdata = sdev->pdata;
1222 	const struct sof_dev_desc *desc = sof_pdata->desc;
1223 	struct snd_soc_acpi_mach *mach;
1224 
1225 	mach = snd_soc_acpi_find_machine(desc->machines);
1226 	if (mach) {
1227 		/*
1228 		 * If tplg file name is overridden, use it instead of
1229 		 * the one set in mach table
1230 		 */
1231 		if (!sof_pdata->tplg_filename)
1232 			sof_pdata->tplg_filename = mach->sof_tplg_filename;
1233 
1234 		sof_pdata->machine = mach;
1235 
1236 		if (mach->link_mask) {
1237 			mach->mach_params.links = mach->links;
1238 			mach->mach_params.link_mask = mach->link_mask;
1239 		}
1240 	}
1241 
1242 	/*
1243 	 * If I2S fails, try SoundWire
1244 	 */
1245 	hda_sdw_machine_select(sdev);
1246 
1247 	/*
1248 	 * Choose HDA generic machine driver if mach is NULL.
1249 	 * Otherwise, set certain mach params.
1250 	 */
1251 	hda_generic_machine_select(sdev);
1252 
1253 	if (!sof_pdata->machine)
1254 		dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
1255 }
1256 
1257 int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1258 {
1259 	int ret;
1260 
1261 	ret = snd_intel_dsp_driver_probe(pci);
1262 	if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
1263 		dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n");
1264 		return -ENODEV;
1265 	}
1266 
1267 	return sof_pci_probe(pci, pci_id);
1268 }
1269 EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_COMMON);
1270 
1271 MODULE_LICENSE("Dual BSD/GPL");
1272 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
1273 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC);
1274 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
1275 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
1276 MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI);
1277 MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT);
1278