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