xref: /linux/sound/soc/sof/intel/hda.c (revision 447e140e66fd226350b3ce86cffc965eaae4c856)
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
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/debugfs.h>
23 #include <linux/module.h>
24 #include <linux/soundwire/sdw.h>
25 #include <linux/soundwire/sdw_intel.h>
26 #include <sound/intel-dsp-config.h>
27 #include <sound/intel-nhlt.h>
28 #include <sound/soc-acpi-intel-ssp-common.h>
29 #include <sound/sof.h>
30 #include <sound/sof/xtensa.h>
31 #include <sound/hda-mlink.h>
32 #include "../sof-audio.h"
33 #include "../sof-pci-dev.h"
34 #include "../ops.h"
35 #include "../ipc4-topology.h"
36 #include "hda.h"
37 
38 #include <trace/events/sof_intel.h>
39 
40 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
41 #include <sound/soc-acpi-intel-match.h>
42 #endif
43 
44 /* platform specific devices */
45 #include "shim.h"
46 
47 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
48 
49 /*
50  * The default for SoundWire clock stop quirks is to power gate the IP
51  * and do a Bus Reset, this will need to be modified when the DSP
52  * needs to remain in D0i3 so that the Master does not lose context
53  * and enumeration is not required on clock restart
54  */
55 static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET;
56 module_param(sdw_clock_stop_quirks, int, 0444);
57 MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
58 
59 static int sdw_params_stream(struct device *dev,
60 			     struct sdw_intel_stream_params_data *params_data)
61 {
62 	struct snd_soc_dai *d = params_data->dai;
63 	struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(d, params_data->substream->stream);
64 	struct snd_sof_dai_config_data data = { 0 };
65 
66 	data.dai_index = (params_data->link_id << 8) | d->id;
67 	data.dai_data = params_data->alh_stream_id;
68 	data.dai_node_id = data.dai_data;
69 
70 	return hda_dai_config(w, SOF_DAI_CONFIG_FLAGS_HW_PARAMS, &data);
71 }
72 
73 static int sdw_params_free(struct device *dev, struct sdw_intel_stream_free_data *free_data)
74 {
75 	struct snd_soc_dai *d = free_data->dai;
76 	struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(d, free_data->substream->stream);
77 	struct snd_sof_dev *sdev = widget_to_sdev(w);
78 
79 	if (sdev->pdata->ipc_type == SOF_IPC_TYPE_4) {
80 		struct snd_sof_widget *swidget = w->dobj.private;
81 		struct snd_sof_dai *dai = swidget->private;
82 		struct sof_ipc4_copier_data *copier_data;
83 		struct sof_ipc4_copier *ipc4_copier;
84 
85 		ipc4_copier = dai->private;
86 		ipc4_copier->dai_index = 0;
87 		copier_data = &ipc4_copier->data;
88 
89 		/* clear the node ID */
90 		copier_data->gtw_cfg.node_id &= ~SOF_IPC4_NODE_INDEX_MASK;
91 	}
92 
93 	return 0;
94 }
95 
96 struct sdw_intel_ops sdw_callback = {
97 	.params_stream = sdw_params_stream,
98 	.free_stream = sdw_params_free,
99 };
100 
101 static int sdw_ace2x_params_stream(struct device *dev,
102 				   struct sdw_intel_stream_params_data *params_data)
103 {
104 	return sdw_hda_dai_hw_params(params_data->substream,
105 				     params_data->hw_params,
106 				     params_data->dai,
107 				     params_data->link_id,
108 				     params_data->alh_stream_id);
109 }
110 
111 static int sdw_ace2x_free_stream(struct device *dev,
112 				 struct sdw_intel_stream_free_data *free_data)
113 {
114 	return sdw_hda_dai_hw_free(free_data->substream,
115 				   free_data->dai,
116 				   free_data->link_id);
117 }
118 
119 static int sdw_ace2x_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai)
120 {
121 	return sdw_hda_dai_trigger(substream, cmd, dai);
122 }
123 
124 static struct sdw_intel_ops sdw_ace2x_callback = {
125 	.params_stream = sdw_ace2x_params_stream,
126 	.free_stream = sdw_ace2x_free_stream,
127 	.trigger = sdw_ace2x_trigger,
128 };
129 
130 static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
131 {
132 	u32 interface_mask = hda_get_interface_mask(sdev);
133 	struct sof_intel_hda_dev *hdev;
134 	acpi_handle handle;
135 	int ret;
136 
137 	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
138 		return -EINVAL;
139 
140 	handle = ACPI_HANDLE(sdev->dev);
141 
142 	/* save ACPI info for the probe step */
143 	hdev = sdev->pdata->hw_pdata;
144 
145 	ret = sdw_intel_acpi_scan(handle, &hdev->info);
146 	if (ret < 0)
147 		return -EINVAL;
148 
149 	return 0;
150 }
151 
152 static int hda_sdw_probe(struct snd_sof_dev *sdev)
153 {
154 	const struct sof_intel_dsp_desc *chip;
155 	struct sof_intel_hda_dev *hdev;
156 	struct sdw_intel_res res;
157 	void *sdw;
158 
159 	hdev = sdev->pdata->hw_pdata;
160 
161 	memset(&res, 0, sizeof(res));
162 
163 	chip = get_chip_info(sdev->pdata);
164 	if (chip->hw_ip_version < SOF_INTEL_ACE_2_0) {
165 		res.mmio_base = sdev->bar[HDA_DSP_BAR];
166 		res.hw_ops = &sdw_intel_cnl_hw_ops;
167 		res.shim_base = hdev->desc->sdw_shim_base;
168 		res.alh_base = hdev->desc->sdw_alh_base;
169 		res.ext = false;
170 		res.ops = &sdw_callback;
171 	} else {
172 		/*
173 		 * retrieve eml_lock needed to protect shared registers
174 		 * in the HDaudio multi-link areas
175 		 */
176 		res.eml_lock = hdac_bus_eml_get_mutex(sof_to_bus(sdev), true,
177 						      AZX_REG_ML_LEPTR_ID_SDW);
178 		if (!res.eml_lock)
179 			return -ENODEV;
180 
181 		res.mmio_base = sdev->bar[HDA_DSP_HDA_BAR];
182 		/*
183 		 * the SHIM and SoundWire register offsets are link-specific
184 		 * and will be determined when adding auxiliary devices
185 		 */
186 		res.hw_ops = &sdw_intel_lnl_hw_ops;
187 		res.ext = true;
188 		res.ops = &sdw_ace2x_callback;
189 
190 	}
191 	res.irq = sdev->ipc_irq;
192 	res.handle = hdev->info.handle;
193 	res.parent = sdev->dev;
194 
195 	res.dev = sdev->dev;
196 	res.clock_stop_quirks = sdw_clock_stop_quirks;
197 	res.hbus = sof_to_bus(sdev);
198 
199 	/*
200 	 * ops and arg fields are not populated for now,
201 	 * they will be needed when the DAI callbacks are
202 	 * provided
203 	 */
204 
205 	/* we could filter links here if needed, e.g for quirks */
206 	res.count = hdev->info.count;
207 	res.link_mask = hdev->info.link_mask;
208 
209 	sdw = sdw_intel_probe(&res);
210 	if (!sdw) {
211 		dev_err(sdev->dev, "error: SoundWire probe failed\n");
212 		return -EINVAL;
213 	}
214 
215 	/* save context */
216 	hdev->sdw = sdw;
217 
218 	return 0;
219 }
220 
221 int hda_sdw_startup(struct snd_sof_dev *sdev)
222 {
223 	struct sof_intel_hda_dev *hdev;
224 	struct snd_sof_pdata *pdata = sdev->pdata;
225 	int ret;
226 
227 	hdev = sdev->pdata->hw_pdata;
228 
229 	if (!hdev->sdw)
230 		return 0;
231 
232 	if (pdata->machine && !pdata->machine->mach_params.link_mask)
233 		return 0;
234 
235 	ret = hda_sdw_check_lcount(sdev);
236 	if (ret < 0)
237 		return ret;
238 
239 	return sdw_intel_startup(hdev->sdw);
240 }
241 EXPORT_SYMBOL_NS(hda_sdw_startup, SND_SOC_SOF_INTEL_HDA_GENERIC);
242 
243 static int hda_sdw_exit(struct snd_sof_dev *sdev)
244 {
245 	struct sof_intel_hda_dev *hdev;
246 
247 	hdev = sdev->pdata->hw_pdata;
248 
249 	if (hdev->sdw)
250 		sdw_intel_exit(hdev->sdw);
251 	hdev->sdw = NULL;
252 
253 	hda_sdw_int_enable(sdev, false);
254 
255 	return 0;
256 }
257 
258 bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev)
259 {
260 	struct sof_intel_hda_dev *hdev;
261 	bool ret = false;
262 	u32 irq_status;
263 
264 	hdev = sdev->pdata->hw_pdata;
265 
266 	if (!hdev->sdw)
267 		return ret;
268 
269 	/* store status */
270 	irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
271 
272 	/* invalid message ? */
273 	if (irq_status == 0xffffffff)
274 		goto out;
275 
276 	/* SDW message ? */
277 	if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
278 		ret = true;
279 
280 out:
281 	return ret;
282 }
283 EXPORT_SYMBOL_NS(hda_common_check_sdw_irq, SND_SOC_SOF_INTEL_HDA_GENERIC);
284 
285 static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
286 {
287 	u32 interface_mask = hda_get_interface_mask(sdev);
288 	const struct sof_intel_dsp_desc *chip;
289 
290 	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
291 		return false;
292 
293 	chip = get_chip_info(sdev->pdata);
294 	if (chip && chip->check_sdw_irq)
295 		return chip->check_sdw_irq(sdev);
296 
297 	return false;
298 }
299 
300 static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
301 {
302 	return sdw_intel_thread(irq, context);
303 }
304 
305 bool hda_sdw_check_wakeen_irq_common(struct snd_sof_dev *sdev)
306 {
307 	struct sof_intel_hda_dev *hdev;
308 
309 	hdev = sdev->pdata->hw_pdata;
310 	if (hdev->sdw &&
311 	    snd_sof_dsp_read(sdev, HDA_DSP_BAR,
312 			     hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS))
313 		return true;
314 
315 	return false;
316 }
317 EXPORT_SYMBOL_NS(hda_sdw_check_wakeen_irq_common, SND_SOC_SOF_INTEL_HDA_GENERIC);
318 
319 static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
320 {
321 	u32 interface_mask = hda_get_interface_mask(sdev);
322 	const struct sof_intel_dsp_desc *chip;
323 
324 	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
325 		return false;
326 
327 	chip = get_chip_info(sdev->pdata);
328 	if (chip && chip->check_sdw_wakeen_irq)
329 		return chip->check_sdw_wakeen_irq(sdev);
330 
331 	return false;
332 }
333 
334 void hda_sdw_process_wakeen_common(struct snd_sof_dev *sdev)
335 {
336 	u32 interface_mask = hda_get_interface_mask(sdev);
337 	struct sof_intel_hda_dev *hdev;
338 
339 	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
340 		return;
341 
342 	hdev = sdev->pdata->hw_pdata;
343 	if (!hdev->sdw)
344 		return;
345 
346 	sdw_intel_process_wakeen_event(hdev->sdw);
347 }
348 EXPORT_SYMBOL_NS(hda_sdw_process_wakeen_common, SND_SOC_SOF_INTEL_HDA_GENERIC);
349 
350 #else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
351 static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
352 {
353 	return 0;
354 }
355 
356 static inline int hda_sdw_probe(struct snd_sof_dev *sdev)
357 {
358 	return 0;
359 }
360 
361 static inline int hda_sdw_exit(struct snd_sof_dev *sdev)
362 {
363 	return 0;
364 }
365 
366 static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
367 {
368 	return false;
369 }
370 
371 static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
372 {
373 	return IRQ_HANDLED;
374 }
375 
376 static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
377 {
378 	return false;
379 }
380 
381 #endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
382 
383 /* pre fw run operations */
384 int hda_dsp_pre_fw_run(struct snd_sof_dev *sdev)
385 {
386 	/* disable clock gating and power gating */
387 	return hda_dsp_ctrl_clock_power_gating(sdev, false);
388 }
389 
390 /* post fw run operations */
391 int hda_dsp_post_fw_run(struct snd_sof_dev *sdev)
392 {
393 	int ret;
394 
395 	if (sdev->first_boot) {
396 		struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
397 
398 		ret = hda_sdw_startup(sdev);
399 		if (ret < 0) {
400 			dev_err(sdev->dev,
401 				"error: could not startup SoundWire links\n");
402 			return ret;
403 		}
404 
405 		/* Check if IMR boot is usable */
406 		if (!sof_debug_check_flag(SOF_DBG_IGNORE_D3_PERSISTENT) &&
407 		    (sdev->fw_ready.flags & SOF_IPC_INFO_D3_PERSISTENT ||
408 		     sdev->pdata->ipc_type == SOF_IPC_TYPE_4)) {
409 			hdev->imrboot_supported = true;
410 			debugfs_create_bool("skip_imr_boot",
411 					    0644, sdev->debugfs_root,
412 					    &hdev->skip_imr_boot);
413 		}
414 	}
415 
416 	hda_sdw_int_enable(sdev, true);
417 
418 	/* re-enable clock gating and power gating */
419 	return hda_dsp_ctrl_clock_power_gating(sdev, true);
420 }
421 EXPORT_SYMBOL_NS(hda_dsp_post_fw_run, SND_SOC_SOF_INTEL_HDA_GENERIC);
422 
423 /*
424  * Debug
425  */
426 
427 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
428 static bool hda_use_msi = true;
429 module_param_named(use_msi, hda_use_msi, bool, 0444);
430 MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
431 #else
432 #define hda_use_msi	(1)
433 #endif
434 
435 static char *hda_model;
436 module_param(hda_model, charp, 0444);
437 MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
438 
439 static int dmic_num_override = -1;
440 module_param_named(dmic_num, dmic_num_override, int, 0444);
441 MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
442 
443 static int mclk_id_override = -1;
444 module_param_named(mclk_id, mclk_id_override, int, 0444);
445 MODULE_PARM_DESC(mclk_id, "SOF SSP mclk_id");
446 
447 static int hda_init(struct snd_sof_dev *sdev)
448 {
449 	struct hda_bus *hbus;
450 	struct hdac_bus *bus;
451 	struct pci_dev *pci = to_pci_dev(sdev->dev);
452 	int ret;
453 
454 	hbus = sof_to_hbus(sdev);
455 	bus = sof_to_bus(sdev);
456 
457 	/* HDA bus init */
458 	sof_hda_bus_init(sdev, &pci->dev);
459 
460 	if (sof_hda_position_quirk == SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS)
461 		bus->use_posbuf = 0;
462 	else
463 		bus->use_posbuf = 1;
464 	bus->bdl_pos_adj = 0;
465 	bus->sync_write = 1;
466 
467 	mutex_init(&hbus->prepare_mutex);
468 	hbus->pci = pci;
469 	hbus->mixer_assigned = -1;
470 	hbus->modelname = hda_model;
471 
472 	/* initialise hdac bus */
473 	bus->addr = pci_resource_start(pci, 0);
474 	bus->remap_addr = pci_ioremap_bar(pci, 0);
475 	if (!bus->remap_addr) {
476 		dev_err(bus->dev, "error: ioremap error\n");
477 		return -ENXIO;
478 	}
479 
480 	/* HDA base */
481 	sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
482 
483 	/* init i915 and HDMI codecs */
484 	ret = hda_codec_i915_init(sdev);
485 	if (ret < 0 && ret != -ENODEV) {
486 		dev_err_probe(sdev->dev, ret, "init of i915 and HDMI codec failed\n");
487 		goto out;
488 	}
489 
490 	/* get controller capabilities */
491 	ret = hda_dsp_ctrl_get_caps(sdev);
492 	if (ret < 0) {
493 		dev_err(sdev->dev, "error: get caps error\n");
494 		hda_codec_i915_exit(sdev);
495 	}
496 
497 out:
498 	if (ret < 0)
499 		iounmap(sof_to_bus(sdev)->remap_addr);
500 
501 	return ret;
502 }
503 
504 static int check_dmic_num(struct snd_sof_dev *sdev)
505 {
506 	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
507 	struct nhlt_acpi_table *nhlt;
508 	int dmic_num = 0;
509 
510 	nhlt = hdev->nhlt;
511 	if (nhlt)
512 		dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
513 
514 	/* allow for module parameter override */
515 	if (dmic_num_override != -1) {
516 		dev_dbg(sdev->dev,
517 			"overriding DMICs detected in NHLT tables %d by kernel param %d\n",
518 			dmic_num, dmic_num_override);
519 		dmic_num = dmic_num_override;
520 	}
521 
522 	if (dmic_num < 0 || dmic_num > 4) {
523 		dev_dbg(sdev->dev, "invalid dmic_number %d\n", dmic_num);
524 		dmic_num = 0;
525 	}
526 
527 	return dmic_num;
528 }
529 
530 static int check_nhlt_ssp_mask(struct snd_sof_dev *sdev)
531 {
532 	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
533 	struct nhlt_acpi_table *nhlt;
534 	int ssp_mask = 0;
535 
536 	nhlt = hdev->nhlt;
537 	if (!nhlt)
538 		return ssp_mask;
539 
540 	if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_SSP)) {
541 		ssp_mask = intel_nhlt_ssp_endpoint_mask(nhlt, NHLT_DEVICE_I2S);
542 		if (ssp_mask)
543 			dev_info(sdev->dev, "NHLT_DEVICE_I2S detected, ssp_mask %#x\n", ssp_mask);
544 	}
545 
546 	return ssp_mask;
547 }
548 
549 static int check_nhlt_ssp_mclk_mask(struct snd_sof_dev *sdev, int ssp_num)
550 {
551 	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
552 	struct nhlt_acpi_table *nhlt;
553 
554 	nhlt = hdev->nhlt;
555 	if (!nhlt)
556 		return 0;
557 
558 	return intel_nhlt_ssp_mclk_mask(nhlt, ssp_num);
559 }
560 
561 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
562 
563 static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
564 				   const char *sof_tplg_filename,
565 				   const char *idisp_str,
566 				   const char *dmic_str)
567 {
568 	const char *tplg_filename = NULL;
569 	char *filename, *tmp;
570 	const char *split_ext;
571 
572 	filename = kstrdup(sof_tplg_filename, GFP_KERNEL);
573 	if (!filename)
574 		return NULL;
575 
576 	/* this assumes a .tplg extension */
577 	tmp = filename;
578 	split_ext = strsep(&tmp, ".");
579 	if (split_ext)
580 		tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
581 					       "%s%s%s.tplg",
582 					       split_ext, idisp_str, dmic_str);
583 	kfree(filename);
584 
585 	return tplg_filename;
586 }
587 
588 static int dmic_detect_topology_fixup(struct snd_sof_dev *sdev,
589 				      const char **tplg_filename,
590 				      const char *idisp_str,
591 				      int *dmic_found,
592 				      bool tplg_fixup)
593 {
594 	const char *dmic_str;
595 	int dmic_num;
596 
597 	/* first check for DMICs (using NHLT or module parameter) */
598 	dmic_num = check_dmic_num(sdev);
599 
600 	switch (dmic_num) {
601 	case 1:
602 		dmic_str = "-1ch";
603 		break;
604 	case 2:
605 		dmic_str = "-2ch";
606 		break;
607 	case 3:
608 		dmic_str = "-3ch";
609 		break;
610 	case 4:
611 		dmic_str = "-4ch";
612 		break;
613 	default:
614 		dmic_num = 0;
615 		dmic_str = "";
616 		break;
617 	}
618 
619 	if (tplg_fixup) {
620 		const char *default_tplg_filename = *tplg_filename;
621 		const char *fixed_tplg_filename;
622 
623 		fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename,
624 						      idisp_str, dmic_str);
625 		if (!fixed_tplg_filename)
626 			return -ENOMEM;
627 		*tplg_filename = fixed_tplg_filename;
628 	}
629 
630 	dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num);
631 	*dmic_found = dmic_num;
632 
633 	return 0;
634 }
635 #endif
636 
637 static int hda_init_caps(struct snd_sof_dev *sdev)
638 {
639 	u32 interface_mask = hda_get_interface_mask(sdev);
640 	struct hdac_bus *bus = sof_to_bus(sdev);
641 	struct snd_sof_pdata *pdata = sdev->pdata;
642 	struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
643 	u32 link_mask;
644 	int ret = 0;
645 
646 	/* check if dsp is there */
647 	if (bus->ppcap)
648 		dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
649 
650 	/* Init HDA controller after i915 init */
651 	ret = hda_dsp_ctrl_init_chip(sdev);
652 	if (ret < 0) {
653 		dev_err(bus->dev, "error: init chip failed with ret: %d\n",
654 			ret);
655 		return ret;
656 	}
657 
658 	hda_bus_ml_init(bus);
659 
660 	/* Skip SoundWire if it is not supported */
661 	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
662 		goto skip_soundwire;
663 
664 	/* scan SoundWire capabilities exposed by DSDT */
665 	ret = hda_sdw_acpi_scan(sdev);
666 	if (ret < 0) {
667 		dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n");
668 		goto skip_soundwire;
669 	}
670 
671 	link_mask = hdev->info.link_mask;
672 	if (!link_mask) {
673 		dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
674 		goto skip_soundwire;
675 	}
676 
677 	/*
678 	 * probe/allocate SoundWire resources.
679 	 * The hardware configuration takes place in hda_sdw_startup
680 	 * after power rails are enabled.
681 	 * It's entirely possible to have a mix of I2S/DMIC/SoundWire
682 	 * devices, so we allocate the resources in all cases.
683 	 */
684 	ret = hda_sdw_probe(sdev);
685 	if (ret < 0) {
686 		dev_err(sdev->dev, "error: SoundWire probe error\n");
687 		return ret;
688 	}
689 
690 skip_soundwire:
691 
692 	/* create codec instances */
693 	hda_codec_probe_bus(sdev);
694 
695 	if (!HDA_IDISP_CODEC(bus->codec_mask))
696 		hda_codec_i915_display_power(sdev, false);
697 
698 	hda_bus_ml_put_all(bus);
699 
700 	return 0;
701 }
702 
703 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
704 {
705 	struct snd_sof_dev *sdev = context;
706 
707 	/*
708 	 * Get global interrupt status. It includes all hardware interrupt
709 	 * sources in the Intel HD Audio controller.
710 	 */
711 	if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
712 	    SOF_HDA_INTSTS_GIS) {
713 
714 		/* disable GIE interrupt */
715 		snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
716 					SOF_HDA_INTCTL,
717 					SOF_HDA_INT_GLOBAL_EN,
718 					0);
719 
720 		return IRQ_WAKE_THREAD;
721 	}
722 
723 	return IRQ_NONE;
724 }
725 
726 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
727 {
728 	struct snd_sof_dev *sdev = context;
729 	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
730 
731 	/* deal with streams and controller first */
732 	if (hda_dsp_check_stream_irq(sdev)) {
733 		trace_sof_intel_hda_irq(sdev, "stream");
734 		hda_dsp_stream_threaded_handler(irq, sdev);
735 	}
736 
737 	if (hda_check_ipc_irq(sdev)) {
738 		trace_sof_intel_hda_irq(sdev, "ipc");
739 		sof_ops(sdev)->irq_thread(irq, sdev);
740 	}
741 
742 	if (hda_dsp_check_sdw_irq(sdev)) {
743 		trace_sof_intel_hda_irq(sdev, "sdw");
744 		hda_dsp_sdw_thread(irq, hdev->sdw);
745 	}
746 
747 	if (hda_sdw_check_wakeen_irq(sdev)) {
748 		trace_sof_intel_hda_irq(sdev, "wakeen");
749 		hda_sdw_process_wakeen(sdev);
750 	}
751 
752 	hda_codec_check_for_state_change(sdev);
753 
754 	/* enable GIE interrupt */
755 	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
756 				SOF_HDA_INTCTL,
757 				SOF_HDA_INT_GLOBAL_EN,
758 				SOF_HDA_INT_GLOBAL_EN);
759 
760 	return IRQ_HANDLED;
761 }
762 
763 int hda_dsp_probe_early(struct snd_sof_dev *sdev)
764 {
765 	struct pci_dev *pci = to_pci_dev(sdev->dev);
766 	struct sof_intel_hda_dev *hdev;
767 	const struct sof_intel_dsp_desc *chip;
768 	int ret = 0;
769 
770 	if (!sdev->dspless_mode_selected) {
771 		/*
772 		 * detect DSP by checking class/subclass/prog-id information
773 		 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
774 		 * class=04 subclass 01 prog-if 00: DSP is present
775 		 *   (and may be required e.g. for DMIC or SSP support)
776 		 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
777 		 */
778 		if (pci->class == 0x040300) {
779 			dev_err(sdev->dev, "the DSP is not enabled on this platform, aborting probe\n");
780 			return -ENODEV;
781 		} else if (pci->class != 0x040100 && pci->class != 0x040380) {
782 			dev_err(sdev->dev, "unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n",
783 				pci->class);
784 			return -ENODEV;
785 		}
786 		dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n",
787 			 pci->class);
788 	}
789 
790 	chip = get_chip_info(sdev->pdata);
791 	if (!chip) {
792 		dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
793 			pci->device);
794 		ret = -EIO;
795 		goto err;
796 	}
797 
798 	sdev->num_cores = chip->cores_num;
799 
800 	hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
801 	if (!hdev)
802 		return -ENOMEM;
803 	sdev->pdata->hw_pdata = hdev;
804 	hdev->desc = chip;
805 	ret = hda_init(sdev);
806 
807 err:
808 	return ret;
809 }
810 EXPORT_SYMBOL_NS(hda_dsp_probe_early, SND_SOC_SOF_INTEL_HDA_GENERIC);
811 
812 int hda_dsp_probe(struct snd_sof_dev *sdev)
813 {
814 	struct pci_dev *pci = to_pci_dev(sdev->dev);
815 	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
816 	const struct sof_intel_dsp_desc *chip;
817 	int ret = 0;
818 
819 	hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
820 						       PLATFORM_DEVID_NONE,
821 						       NULL, 0);
822 	if (IS_ERR(hdev->dmic_dev)) {
823 		dev_err(sdev->dev, "error: failed to create DMIC device\n");
824 		return PTR_ERR(hdev->dmic_dev);
825 	}
826 
827 	/*
828 	 * use position update IPC if either it is forced
829 	 * or we don't have other choice
830 	 */
831 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
832 	hdev->no_ipc_position = 0;
833 #else
834 	hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
835 #endif
836 
837 	if (sdev->dspless_mode_selected)
838 		hdev->no_ipc_position = 1;
839 
840 	if (sdev->dspless_mode_selected)
841 		goto skip_dsp_setup;
842 
843 	/* DSP base */
844 	sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
845 	if (!sdev->bar[HDA_DSP_BAR]) {
846 		dev_err(sdev->dev, "error: ioremap error\n");
847 		ret = -ENXIO;
848 		goto hdac_bus_unmap;
849 	}
850 
851 	sdev->mmio_bar = HDA_DSP_BAR;
852 	sdev->mailbox_bar = HDA_DSP_BAR;
853 skip_dsp_setup:
854 
855 	/* allow 64bit DMA address if supported by H/W */
856 	if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) {
857 		dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
858 		dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32));
859 	}
860 	dma_set_max_seg_size(&pci->dev, UINT_MAX);
861 
862 	/* init streams */
863 	ret = hda_dsp_stream_init(sdev);
864 	if (ret < 0) {
865 		dev_err(sdev->dev, "error: failed to init streams\n");
866 		/*
867 		 * not all errors are due to memory issues, but trying
868 		 * to free everything does not harm
869 		 */
870 		goto free_streams;
871 	}
872 
873 	/*
874 	 * register our IRQ
875 	 * let's try to enable msi firstly
876 	 * if it fails, use legacy interrupt mode
877 	 * TODO: support msi multiple vectors
878 	 */
879 	if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
880 		dev_info(sdev->dev, "use msi interrupt mode\n");
881 		sdev->ipc_irq = pci_irq_vector(pci, 0);
882 		/* initialised to "false" by kzalloc() */
883 		sdev->msi_enabled = true;
884 	}
885 
886 	if (!sdev->msi_enabled) {
887 		dev_info(sdev->dev, "use legacy interrupt mode\n");
888 		/*
889 		 * in IO-APIC mode, hda->irq and ipc_irq are using the same
890 		 * irq number of pci->irq
891 		 */
892 		sdev->ipc_irq = pci->irq;
893 	}
894 
895 	dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
896 	ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
897 				   hda_dsp_interrupt_thread,
898 				   IRQF_SHARED, "AudioDSP", sdev);
899 	if (ret < 0) {
900 		dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
901 			sdev->ipc_irq);
902 		goto free_irq_vector;
903 	}
904 
905 	pci_set_master(pci);
906 	synchronize_irq(pci->irq);
907 
908 	/*
909 	 * clear TCSEL to clear playback on some HD Audio
910 	 * codecs. PCI TCSEL is defined in the Intel manuals.
911 	 */
912 	snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
913 
914 	/* init HDA capabilities */
915 	ret = hda_init_caps(sdev);
916 	if (ret < 0)
917 		goto free_ipc_irq;
918 
919 	if (!sdev->dspless_mode_selected) {
920 		/* enable ppcap interrupt */
921 		hda_dsp_ctrl_ppcap_enable(sdev, true);
922 		hda_dsp_ctrl_ppcap_int_enable(sdev, true);
923 
924 		/* set default mailbox offset for FW ready message */
925 		sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
926 
927 		INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work);
928 	}
929 
930 	chip = get_chip_info(sdev->pdata);
931 	if (chip && chip->hw_ip_version >= SOF_INTEL_ACE_2_0) {
932 		ret = hda_sdw_startup(sdev);
933 		if (ret < 0) {
934 			dev_err(sdev->dev, "could not startup SoundWire links\n");
935 			goto disable_pp_cap;
936 		}
937 
938 		hda_sdw_int_enable(sdev, true);
939 	}
940 
941 	init_waitqueue_head(&hdev->waitq);
942 
943 	hdev->nhlt = intel_nhlt_init(sdev->dev);
944 
945 	return 0;
946 
947 disable_pp_cap:
948 	if (!sdev->dspless_mode_selected) {
949 		hda_dsp_ctrl_ppcap_int_enable(sdev, false);
950 		hda_dsp_ctrl_ppcap_enable(sdev, false);
951 	}
952 free_ipc_irq:
953 	free_irq(sdev->ipc_irq, sdev);
954 free_irq_vector:
955 	if (sdev->msi_enabled)
956 		pci_free_irq_vectors(pci);
957 free_streams:
958 	hda_dsp_stream_free(sdev);
959 /* dsp_unmap: not currently used */
960 	if (!sdev->dspless_mode_selected)
961 		iounmap(sdev->bar[HDA_DSP_BAR]);
962 hdac_bus_unmap:
963 	platform_device_unregister(hdev->dmic_dev);
964 
965 	return ret;
966 }
967 EXPORT_SYMBOL_NS(hda_dsp_probe, SND_SOC_SOF_INTEL_HDA_GENERIC);
968 
969 void hda_dsp_remove(struct snd_sof_dev *sdev)
970 {
971 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
972 	const struct sof_intel_dsp_desc *chip = hda->desc;
973 	struct pci_dev *pci = to_pci_dev(sdev->dev);
974 	struct nhlt_acpi_table *nhlt = hda->nhlt;
975 
976 	if (nhlt)
977 		intel_nhlt_free(nhlt);
978 
979 	if (!sdev->dspless_mode_selected)
980 		/* cancel any attempt for DSP D0I3 */
981 		cancel_delayed_work_sync(&hda->d0i3_work);
982 
983 	hda_codec_device_remove(sdev);
984 
985 	hda_sdw_exit(sdev);
986 
987 	if (!IS_ERR_OR_NULL(hda->dmic_dev))
988 		platform_device_unregister(hda->dmic_dev);
989 
990 	if (!sdev->dspless_mode_selected) {
991 		/* disable DSP IRQ */
992 		hda_dsp_ctrl_ppcap_int_enable(sdev, false);
993 	}
994 
995 	/* disable CIE and GIE interrupts */
996 	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
997 				SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
998 
999 	if (sdev->dspless_mode_selected)
1000 		goto skip_disable_dsp;
1001 
1002 	/* no need to check for error as the DSP will be disabled anyway */
1003 	if (chip && chip->power_down_dsp)
1004 		chip->power_down_dsp(sdev);
1005 
1006 	/* disable DSP */
1007 	hda_dsp_ctrl_ppcap_enable(sdev, false);
1008 
1009 skip_disable_dsp:
1010 	free_irq(sdev->ipc_irq, sdev);
1011 	if (sdev->msi_enabled)
1012 		pci_free_irq_vectors(pci);
1013 
1014 	hda_dsp_stream_free(sdev);
1015 
1016 	hda_bus_ml_free(sof_to_bus(sdev));
1017 
1018 	if (!sdev->dspless_mode_selected)
1019 		iounmap(sdev->bar[HDA_DSP_BAR]);
1020 }
1021 EXPORT_SYMBOL_NS(hda_dsp_remove, SND_SOC_SOF_INTEL_HDA_GENERIC);
1022 
1023 void hda_dsp_remove_late(struct snd_sof_dev *sdev)
1024 {
1025 	iounmap(sof_to_bus(sdev)->remap_addr);
1026 	sof_hda_bus_exit(sdev);
1027 	hda_codec_i915_exit(sdev);
1028 }
1029 
1030 int hda_power_down_dsp(struct snd_sof_dev *sdev)
1031 {
1032 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
1033 	const struct sof_intel_dsp_desc *chip = hda->desc;
1034 
1035 	return hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask);
1036 }
1037 EXPORT_SYMBOL_NS(hda_power_down_dsp, SND_SOC_SOF_INTEL_HDA_GENERIC);
1038 
1039 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
1040 static void hda_generic_machine_select(struct snd_sof_dev *sdev,
1041 				       struct snd_soc_acpi_mach **mach)
1042 {
1043 	struct hdac_bus *bus = sof_to_bus(sdev);
1044 	struct snd_soc_acpi_mach_params *mach_params;
1045 	struct snd_soc_acpi_mach *hda_mach;
1046 	struct snd_sof_pdata *pdata = sdev->pdata;
1047 	const char *tplg_filename;
1048 	const char *idisp_str;
1049 	int dmic_num = 0;
1050 	int codec_num = 0;
1051 	int ret;
1052 	int i;
1053 
1054 	/* codec detection */
1055 	if (!bus->codec_mask) {
1056 		dev_info(bus->dev, "no hda codecs found!\n");
1057 	} else {
1058 		dev_info(bus->dev, "hda codecs found, mask %lx\n",
1059 			 bus->codec_mask);
1060 
1061 		for (i = 0; i < HDA_MAX_CODECS; i++) {
1062 			if (bus->codec_mask & (1 << i))
1063 				codec_num++;
1064 		}
1065 
1066 		/*
1067 		 * If no machine driver is found, then:
1068 		 *
1069 		 * generic hda machine driver can handle:
1070 		 *  - one HDMI codec, and/or
1071 		 *  - one external HDAudio codec
1072 		 */
1073 		if (!*mach && codec_num <= 2) {
1074 			bool tplg_fixup;
1075 
1076 			hda_mach = snd_soc_acpi_intel_hda_machines;
1077 
1078 			dev_info(bus->dev, "using HDA machine driver %s now\n",
1079 				 hda_mach->drv_name);
1080 
1081 			if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask))
1082 				idisp_str = "-idisp";
1083 			else
1084 				idisp_str = "";
1085 
1086 			/* topology: use the info from hda_machines */
1087 			if (pdata->tplg_filename) {
1088 				tplg_fixup = false;
1089 				tplg_filename = pdata->tplg_filename;
1090 			} else {
1091 				tplg_fixup = true;
1092 				tplg_filename = hda_mach->sof_tplg_filename;
1093 			}
1094 			ret = dmic_detect_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num,
1095 							 tplg_fixup);
1096 			if (ret < 0)
1097 				return;
1098 
1099 			hda_mach->mach_params.dmic_num = dmic_num;
1100 			pdata->tplg_filename = tplg_filename;
1101 
1102 			if (codec_num == 2 ||
1103 			    (codec_num == 1 && !HDA_IDISP_CODEC(bus->codec_mask))) {
1104 				/*
1105 				 * Prevent SoundWire links from starting when an external
1106 				 * HDaudio codec is used
1107 				 */
1108 				hda_mach->mach_params.link_mask = 0;
1109 			} else {
1110 				/*
1111 				 * Allow SoundWire links to start when no external HDaudio codec
1112 				 * was detected. This will not create a SoundWire card but
1113 				 * will help detect if any SoundWire codec reports as ATTACHED.
1114 				 */
1115 				struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
1116 
1117 				hda_mach->mach_params.link_mask = hdev->info.link_mask;
1118 			}
1119 
1120 			*mach = hda_mach;
1121 		}
1122 	}
1123 
1124 	/* used by hda machine driver to create dai links */
1125 	if (*mach) {
1126 		mach_params = &(*mach)->mach_params;
1127 		mach_params->codec_mask = bus->codec_mask;
1128 		mach_params->common_hdmi_codec_drv = true;
1129 	}
1130 }
1131 #else
1132 static void hda_generic_machine_select(struct snd_sof_dev *sdev,
1133 				       struct snd_soc_acpi_mach **mach)
1134 {
1135 }
1136 #endif
1137 
1138 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
1139 
1140 static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1141 {
1142 	struct snd_sof_pdata *pdata = sdev->pdata;
1143 	const struct snd_soc_acpi_link_adr *link;
1144 	struct sdw_extended_slave_id *ids;
1145 	struct snd_soc_acpi_mach *mach;
1146 	struct sof_intel_hda_dev *hdev;
1147 	u32 link_mask;
1148 	int i;
1149 
1150 	hdev = pdata->hw_pdata;
1151 	link_mask = hdev->info.link_mask;
1152 
1153 	if (!link_mask) {
1154 		dev_info(sdev->dev, "SoundWire links not enabled\n");
1155 		return NULL;
1156 	}
1157 
1158 	if (!hdev->sdw) {
1159 		dev_dbg(sdev->dev, "SoundWire context not allocated\n");
1160 		return NULL;
1161 	}
1162 
1163 	if (!hdev->sdw->num_slaves) {
1164 		dev_warn(sdev->dev, "No SoundWire peripheral detected in ACPI tables\n");
1165 		return NULL;
1166 	}
1167 
1168 	/*
1169 	 * Select SoundWire machine driver if needed using the
1170 	 * alternate tables. This case deals with SoundWire-only
1171 	 * machines, for mixed cases with I2C/I2S the detection relies
1172 	 * on the HID list.
1173 	 */
1174 	for (mach = pdata->desc->alt_machines;
1175 	     mach && mach->link_mask; mach++) {
1176 		/*
1177 		 * On some platforms such as Up Extreme all links
1178 		 * are enabled but only one link can be used by
1179 		 * external codec. Instead of exact match of two masks,
1180 		 * first check whether link_mask of mach is subset of
1181 		 * link_mask supported by hw and then go on searching
1182 		 * link_adr
1183 		 */
1184 		if (~link_mask & mach->link_mask)
1185 			continue;
1186 
1187 		/* No need to match adr if there is no links defined */
1188 		if (!mach->links)
1189 			break;
1190 
1191 		link = mach->links;
1192 		for (i = 0; i < hdev->info.count && link->num_adr;
1193 		     i++, link++) {
1194 			/*
1195 			 * Try next machine if any expected Slaves
1196 			 * are not found on this link.
1197 			 */
1198 			if (!snd_soc_acpi_sdw_link_slaves_found(sdev->dev, link,
1199 								hdev->sdw->ids,
1200 								hdev->sdw->num_slaves))
1201 				break;
1202 		}
1203 		/* Found if all Slaves are checked */
1204 		if (i == hdev->info.count || !link->num_adr)
1205 			break;
1206 	}
1207 	if (mach && mach->link_mask) {
1208 		int dmic_num = 0;
1209 		bool tplg_fixup;
1210 		const char *tplg_filename;
1211 
1212 		mach->mach_params.links = mach->links;
1213 		mach->mach_params.link_mask = mach->link_mask;
1214 		mach->mach_params.platform = dev_name(sdev->dev);
1215 
1216 		if (pdata->tplg_filename) {
1217 			tplg_fixup = false;
1218 		} else {
1219 			tplg_fixup = true;
1220 			tplg_filename = mach->sof_tplg_filename;
1221 		}
1222 
1223 		/*
1224 		 * DMICs use up to 4 pins and are typically pin-muxed with SoundWire
1225 		 * link 2 and 3, or link 1 and 2, thus we only try to enable dmics
1226 		 * if all conditions are true:
1227 		 * a) 2 or fewer links are used by SoundWire
1228 		 * b) the NHLT table reports the presence of microphones
1229 		 */
1230 		if (hweight_long(mach->link_mask) <= 2) {
1231 			int ret;
1232 
1233 			ret = dmic_detect_topology_fixup(sdev, &tplg_filename, "",
1234 							 &dmic_num, tplg_fixup);
1235 			if (ret < 0)
1236 				return NULL;
1237 		}
1238 		if (tplg_fixup)
1239 			pdata->tplg_filename = tplg_filename;
1240 		mach->mach_params.dmic_num = dmic_num;
1241 
1242 		dev_dbg(sdev->dev,
1243 			"SoundWire machine driver %s topology %s\n",
1244 			mach->drv_name,
1245 			pdata->tplg_filename);
1246 
1247 		return mach;
1248 	}
1249 
1250 	dev_info(sdev->dev, "No SoundWire machine driver found for the ACPI-reported configuration:\n");
1251 	ids = hdev->sdw->ids;
1252 	for (i = 0; i < hdev->sdw->num_slaves; i++)
1253 		dev_info(sdev->dev, "link %d mfg_id 0x%04x part_id 0x%04x version %#x\n",
1254 			 ids[i].link_id, ids[i].id.mfg_id, ids[i].id.part_id, ids[i].id.sdw_version);
1255 
1256 	return NULL;
1257 }
1258 #else
1259 static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1260 {
1261 	return NULL;
1262 }
1263 #endif
1264 
1265 void hda_set_mach_params(struct snd_soc_acpi_mach *mach,
1266 			 struct snd_sof_dev *sdev)
1267 {
1268 	struct snd_sof_pdata *pdata = sdev->pdata;
1269 	const struct sof_dev_desc *desc = pdata->desc;
1270 	struct snd_soc_acpi_mach_params *mach_params;
1271 
1272 	mach_params = &mach->mach_params;
1273 	mach_params->platform = dev_name(sdev->dev);
1274 	if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) &&
1275 	    sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC))
1276 		mach_params->num_dai_drivers = SOF_SKL_NUM_DAIS_NOCODEC;
1277 	else
1278 		mach_params->num_dai_drivers = desc->ops->num_drv;
1279 	mach_params->dai_drivers = desc->ops->drv;
1280 }
1281 
1282 static int check_tplg_quirk_mask(struct snd_soc_acpi_mach *mach)
1283 {
1284 	u32 dmic_ssp_quirk;
1285 	u32 codec_amp_name_quirk;
1286 
1287 	/*
1288 	 * In current implementation dmic and ssp quirks are designed for es8336
1289 	 * machine driver and could not be mixed with codec name and amp name
1290 	 * quirks.
1291 	 */
1292 	dmic_ssp_quirk = mach->tplg_quirk_mask &
1293 			 (SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER | SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER);
1294 	codec_amp_name_quirk = mach->tplg_quirk_mask &
1295 			 (SND_SOC_ACPI_TPLG_INTEL_AMP_NAME | SND_SOC_ACPI_TPLG_INTEL_CODEC_NAME);
1296 
1297 	if (dmic_ssp_quirk && codec_amp_name_quirk)
1298 		return -EINVAL;
1299 
1300 	return 0;
1301 }
1302 
1303 struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev)
1304 {
1305 	u32 interface_mask = hda_get_interface_mask(sdev);
1306 	struct snd_sof_pdata *sof_pdata = sdev->pdata;
1307 	const struct sof_dev_desc *desc = sof_pdata->desc;
1308 	struct hdac_bus *bus = sof_to_bus(sdev);
1309 	struct snd_soc_acpi_mach *mach = NULL;
1310 	enum snd_soc_acpi_intel_codec codec_type;
1311 	const char *tplg_filename;
1312 	const char *tplg_suffix;
1313 
1314 	/* Try I2S or DMIC if it is supported */
1315 	if (interface_mask & (BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC)))
1316 		mach = snd_soc_acpi_find_machine(desc->machines);
1317 
1318 	if (mach) {
1319 		bool add_extension = false;
1320 		bool tplg_fixup = false;
1321 
1322 		/*
1323 		 * If tplg file name is overridden, use it instead of
1324 		 * the one set in mach table
1325 		 */
1326 		if (!sof_pdata->tplg_filename) {
1327 			sof_pdata->tplg_filename = mach->sof_tplg_filename;
1328 			tplg_fixup = true;
1329 		}
1330 
1331 		/*
1332 		 * Checking quirk mask integrity; some quirk flags could not be
1333 		 * set concurrently.
1334 		 */
1335 		if (tplg_fixup &&
1336 		    check_tplg_quirk_mask(mach)) {
1337 			dev_err(sdev->dev, "Invalid tplg quirk mask 0x%x\n",
1338 				mach->tplg_quirk_mask);
1339 			return NULL;
1340 		}
1341 
1342 		/* report to machine driver if any DMICs are found */
1343 		mach->mach_params.dmic_num = check_dmic_num(sdev);
1344 
1345 		if (tplg_fixup &&
1346 		    mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER &&
1347 		    mach->mach_params.dmic_num) {
1348 			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1349 						       "%s%s%d%s",
1350 						       sof_pdata->tplg_filename,
1351 						       "-dmic",
1352 						       mach->mach_params.dmic_num,
1353 						       "ch");
1354 			if (!tplg_filename)
1355 				return NULL;
1356 
1357 			sof_pdata->tplg_filename = tplg_filename;
1358 			add_extension = true;
1359 		}
1360 
1361 		if (mach->link_mask) {
1362 			mach->mach_params.links = mach->links;
1363 			mach->mach_params.link_mask = mach->link_mask;
1364 		}
1365 
1366 		/* report SSP link mask to machine driver */
1367 		mach->mach_params.i2s_link_mask = check_nhlt_ssp_mask(sdev);
1368 
1369 		if (tplg_fixup &&
1370 		    mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER &&
1371 		    mach->mach_params.i2s_link_mask) {
1372 			const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
1373 			int ssp_num;
1374 			int mclk_mask;
1375 
1376 			if (hweight_long(mach->mach_params.i2s_link_mask) > 1 &&
1377 			    !(mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_MSB))
1378 				dev_warn(sdev->dev, "More than one SSP exposed by NHLT, choosing MSB\n");
1379 
1380 			/* fls returns 1-based results, SSPs indices are 0-based */
1381 			ssp_num = fls(mach->mach_params.i2s_link_mask) - 1;
1382 
1383 			if (ssp_num >= chip->ssp_count) {
1384 				dev_err(sdev->dev, "Invalid SSP %d, max on this platform is %d\n",
1385 					ssp_num, chip->ssp_count);
1386 				return NULL;
1387 			}
1388 
1389 			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1390 						       "%s%s%d",
1391 						       sof_pdata->tplg_filename,
1392 						       "-ssp",
1393 						       ssp_num);
1394 			if (!tplg_filename)
1395 				return NULL;
1396 
1397 			sof_pdata->tplg_filename = tplg_filename;
1398 			add_extension = true;
1399 
1400 			mclk_mask = check_nhlt_ssp_mclk_mask(sdev, ssp_num);
1401 
1402 			if (mclk_mask < 0) {
1403 				dev_err(sdev->dev, "Invalid MCLK configuration\n");
1404 				return NULL;
1405 			}
1406 
1407 			dev_dbg(sdev->dev, "MCLK mask %#x found in NHLT\n", mclk_mask);
1408 
1409 			if (mclk_mask) {
1410 				dev_info(sdev->dev, "Overriding topology with MCLK mask %#x from NHLT\n", mclk_mask);
1411 				sdev->mclk_id_override = true;
1412 				sdev->mclk_id_quirk = (mclk_mask & BIT(0)) ? 0 : 1;
1413 			}
1414 		}
1415 
1416 		codec_type = snd_soc_acpi_intel_detect_amp_type(sdev->dev);
1417 
1418 		if (tplg_fixup &&
1419 		    mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_AMP_NAME &&
1420 		    codec_type != CODEC_NONE) {
1421 			tplg_suffix = snd_soc_acpi_intel_get_amp_tplg_suffix(codec_type);
1422 			if (!tplg_suffix) {
1423 				dev_err(sdev->dev, "no tplg suffix found, amp %d\n",
1424 					codec_type);
1425 				return NULL;
1426 			}
1427 
1428 			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1429 						       "%s-%s",
1430 						       sof_pdata->tplg_filename,
1431 						       tplg_suffix);
1432 			if (!tplg_filename)
1433 				return NULL;
1434 
1435 			sof_pdata->tplg_filename = tplg_filename;
1436 			add_extension = true;
1437 		}
1438 
1439 		codec_type = snd_soc_acpi_intel_detect_codec_type(sdev->dev);
1440 
1441 		if (tplg_fixup &&
1442 		    mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_CODEC_NAME &&
1443 		    codec_type != CODEC_NONE) {
1444 			tplg_suffix = snd_soc_acpi_intel_get_codec_tplg_suffix(codec_type);
1445 			if (!tplg_suffix) {
1446 				dev_err(sdev->dev, "no tplg suffix found, codec %d\n",
1447 					codec_type);
1448 				return NULL;
1449 			}
1450 
1451 			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1452 						       "%s-%s",
1453 						       sof_pdata->tplg_filename,
1454 						       tplg_suffix);
1455 			if (!tplg_filename)
1456 				return NULL;
1457 
1458 			sof_pdata->tplg_filename = tplg_filename;
1459 			add_extension = true;
1460 		}
1461 
1462 		if (tplg_fixup && add_extension) {
1463 			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1464 						       "%s%s",
1465 						       sof_pdata->tplg_filename,
1466 						       ".tplg");
1467 			if (!tplg_filename)
1468 				return NULL;
1469 
1470 			sof_pdata->tplg_filename = tplg_filename;
1471 		}
1472 
1473 		/* check if mclk_id should be modified from topology defaults */
1474 		if (mclk_id_override >= 0) {
1475 			dev_info(sdev->dev, "Overriding topology with MCLK %d from kernel_parameter\n", mclk_id_override);
1476 			sdev->mclk_id_override = true;
1477 			sdev->mclk_id_quirk = mclk_id_override;
1478 		}
1479 	}
1480 
1481 	/*
1482 	 * If I2S fails and no external HDaudio codec is detected,
1483 	 * try SoundWire if it is supported
1484 	 */
1485 	if (!mach && !HDA_EXT_CODEC(bus->codec_mask) &&
1486 	    (interface_mask & BIT(SOF_DAI_INTEL_ALH)))
1487 		mach = hda_sdw_machine_select(sdev);
1488 
1489 	/*
1490 	 * Choose HDA generic machine driver if mach is NULL.
1491 	 * Otherwise, set certain mach params.
1492 	 */
1493 	hda_generic_machine_select(sdev, &mach);
1494 	if (!mach)
1495 		dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
1496 
1497 	return mach;
1498 }
1499 
1500 int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1501 {
1502 	int ret;
1503 
1504 	ret = snd_intel_dsp_driver_probe(pci);
1505 	if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
1506 		dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n");
1507 		return -ENODEV;
1508 	}
1509 
1510 	return sof_pci_probe(pci, pci_id);
1511 }
1512 EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_GENERIC);
1513 
1514 int hda_register_clients(struct snd_sof_dev *sdev)
1515 {
1516 	return hda_probes_register(sdev);
1517 }
1518 
1519 void hda_unregister_clients(struct snd_sof_dev *sdev)
1520 {
1521 	hda_probes_unregister(sdev);
1522 }
1523 
1524 MODULE_LICENSE("Dual BSD/GPL");
1525 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
1526 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC);
1527 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
1528 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
1529 MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI);
1530 MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT);
1531 MODULE_IMPORT_NS(SOUNDWIRE_INTEL);
1532 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_MLINK);
1533 MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HDA_COMMON);
1534 MODULE_IMPORT_NS(SND_SOC_ACPI_INTEL_MATCH);
1535