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v6.8
   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 <sound/hda-mlink.h>
  30#include "../sof-audio.h"
  31#include "../sof-pci-dev.h"
  32#include "../ops.h"
 
  33#include "hda.h"
  34#include "telemetry.h"
  35
  36#define CREATE_TRACE_POINTS
  37#include <trace/events/sof_intel.h>
  38
  39#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
  40#include <sound/soc-acpi-intel-match.h>
  41#endif
  42
  43/* platform specific devices */
  44#include "shim.h"
  45
  46#define EXCEPT_MAX_HDR_SIZE	0x400
  47#define HDA_EXT_ROM_STATUS_SIZE 8
  48
  49static u32 hda_get_interface_mask(struct snd_sof_dev *sdev)
  50{
  51	const struct sof_intel_dsp_desc *chip;
  52	u32 interface_mask[2] = { 0 };
  53
  54	chip = get_chip_info(sdev->pdata);
  55	switch (chip->hw_ip_version) {
  56	case SOF_INTEL_TANGIER:
  57	case SOF_INTEL_BAYTRAIL:
  58	case SOF_INTEL_BROADWELL:
  59		interface_mask[0] =  BIT(SOF_DAI_INTEL_SSP);
  60		break;
  61	case SOF_INTEL_CAVS_1_5:
  62	case SOF_INTEL_CAVS_1_5_PLUS:
  63		interface_mask[0] = BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) |
  64				    BIT(SOF_DAI_INTEL_HDA);
  65		interface_mask[1] = BIT(SOF_DAI_INTEL_HDA);
  66		break;
  67	case SOF_INTEL_CAVS_1_8:
  68	case SOF_INTEL_CAVS_2_0:
  69	case SOF_INTEL_CAVS_2_5:
  70	case SOF_INTEL_ACE_1_0:
  71		interface_mask[0] = BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) |
  72				    BIT(SOF_DAI_INTEL_HDA) | BIT(SOF_DAI_INTEL_ALH);
  73		interface_mask[1] = BIT(SOF_DAI_INTEL_HDA);
  74		break;
  75	case SOF_INTEL_ACE_2_0:
  76		interface_mask[0] = BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) |
  77				    BIT(SOF_DAI_INTEL_HDA) | BIT(SOF_DAI_INTEL_ALH);
  78		interface_mask[1] = interface_mask[0]; /* all interfaces accessible without DSP */
  79		break;
  80	default:
  81		break;
  82	}
  83
  84	return interface_mask[sdev->dspless_mode_selected];
  85}
  86
  87#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
  88
  89/*
  90 * The default for SoundWire clock stop quirks is to power gate the IP
  91 * and do a Bus Reset, this will need to be modified when the DSP
  92 * needs to remain in D0i3 so that the Master does not lose context
  93 * and enumeration is not required on clock restart
  94 */
  95static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET;
  96module_param(sdw_clock_stop_quirks, int, 0444);
  97MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
  98
  99static int sdw_params_stream(struct device *dev,
 100			     struct sdw_intel_stream_params_data *params_data)
 101{
 102	struct snd_soc_dai *d = params_data->dai;
 103	struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(d, params_data->substream->stream);
 104	struct snd_sof_dai_config_data data = { 0 };
 105
 
 
 
 
 
 106	data.dai_index = (params_data->link_id << 8) | d->id;
 107	data.dai_data = params_data->alh_stream_id;
 
 108
 109	return hda_dai_config(w, SOF_DAI_CONFIG_FLAGS_HW_PARAMS, &data);
 110}
 111
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 112struct sdw_intel_ops sdw_callback = {
 113	.params_stream = sdw_params_stream,
 
 114};
 115
 116static int sdw_ace2x_params_stream(struct device *dev,
 117				   struct sdw_intel_stream_params_data *params_data)
 118{
 119	return sdw_hda_dai_hw_params(params_data->substream,
 120				     params_data->hw_params,
 121				     params_data->dai,
 122				     params_data->link_id);
 
 123}
 124
 125static int sdw_ace2x_free_stream(struct device *dev,
 126				 struct sdw_intel_stream_free_data *free_data)
 127{
 128	return sdw_hda_dai_hw_free(free_data->substream,
 129				   free_data->dai,
 130				   free_data->link_id);
 131}
 132
 133static int sdw_ace2x_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai)
 134{
 135	return sdw_hda_dai_trigger(substream, cmd, dai);
 136}
 137
 138static struct sdw_intel_ops sdw_ace2x_callback = {
 139	.params_stream = sdw_ace2x_params_stream,
 140	.free_stream = sdw_ace2x_free_stream,
 141	.trigger = sdw_ace2x_trigger,
 142};
 143
 144void hda_common_enable_sdw_irq(struct snd_sof_dev *sdev, bool enable)
 145{
 146	struct sof_intel_hda_dev *hdev;
 147
 148	hdev = sdev->pdata->hw_pdata;
 149
 150	if (!hdev->sdw)
 151		return;
 152
 153	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIC2,
 154				HDA_DSP_REG_ADSPIC2_SNDW,
 155				enable ? HDA_DSP_REG_ADSPIC2_SNDW : 0);
 156}
 157
 158void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable)
 159{
 160	u32 interface_mask = hda_get_interface_mask(sdev);
 161	const struct sof_intel_dsp_desc *chip;
 162
 163	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
 164		return;
 165
 166	chip = get_chip_info(sdev->pdata);
 167	if (chip && chip->enable_sdw_irq)
 168		chip->enable_sdw_irq(sdev, enable);
 169}
 170
 171static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
 172{
 173	u32 interface_mask = hda_get_interface_mask(sdev);
 174	struct sof_intel_hda_dev *hdev;
 175	acpi_handle handle;
 176	int ret;
 177
 178	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
 179		return -EINVAL;
 180
 181	handle = ACPI_HANDLE(sdev->dev);
 182
 183	/* save ACPI info for the probe step */
 184	hdev = sdev->pdata->hw_pdata;
 185
 186	ret = sdw_intel_acpi_scan(handle, &hdev->info);
 187	if (ret < 0)
 188		return -EINVAL;
 189
 190	return 0;
 191}
 192
 193static int hda_sdw_probe(struct snd_sof_dev *sdev)
 194{
 195	const struct sof_intel_dsp_desc *chip;
 196	struct sof_intel_hda_dev *hdev;
 197	struct sdw_intel_res res;
 198	void *sdw;
 199
 200	hdev = sdev->pdata->hw_pdata;
 201
 202	memset(&res, 0, sizeof(res));
 203
 204	chip = get_chip_info(sdev->pdata);
 205	if (chip->hw_ip_version < SOF_INTEL_ACE_2_0) {
 206		res.mmio_base = sdev->bar[HDA_DSP_BAR];
 207		res.hw_ops = &sdw_intel_cnl_hw_ops;
 208		res.shim_base = hdev->desc->sdw_shim_base;
 209		res.alh_base = hdev->desc->sdw_alh_base;
 210		res.ext = false;
 211		res.ops = &sdw_callback;
 212	} else {
 213		/*
 214		 * retrieve eml_lock needed to protect shared registers
 215		 * in the HDaudio multi-link areas
 216		 */
 217		res.eml_lock = hdac_bus_eml_get_mutex(sof_to_bus(sdev), true,
 218						      AZX_REG_ML_LEPTR_ID_SDW);
 219		if (!res.eml_lock)
 220			return -ENODEV;
 221
 222		res.mmio_base = sdev->bar[HDA_DSP_HDA_BAR];
 223		/*
 224		 * the SHIM and SoundWire register offsets are link-specific
 225		 * and will be determined when adding auxiliary devices
 226		 */
 227		res.hw_ops = &sdw_intel_lnl_hw_ops;
 228		res.ext = true;
 229		res.ops = &sdw_ace2x_callback;
 230
 231	}
 232	res.irq = sdev->ipc_irq;
 233	res.handle = hdev->info.handle;
 234	res.parent = sdev->dev;
 235
 236	res.dev = sdev->dev;
 237	res.clock_stop_quirks = sdw_clock_stop_quirks;
 238	res.hbus = sof_to_bus(sdev);
 239
 240	/*
 241	 * ops and arg fields are not populated for now,
 242	 * they will be needed when the DAI callbacks are
 243	 * provided
 244	 */
 245
 246	/* we could filter links here if needed, e.g for quirks */
 247	res.count = hdev->info.count;
 248	res.link_mask = hdev->info.link_mask;
 249
 250	sdw = sdw_intel_probe(&res);
 251	if (!sdw) {
 252		dev_err(sdev->dev, "error: SoundWire probe failed\n");
 253		return -EINVAL;
 254	}
 255
 256	/* save context */
 257	hdev->sdw = sdw;
 258
 259	return 0;
 260}
 261
 262int hda_sdw_check_lcount_common(struct snd_sof_dev *sdev)
 263{
 264	struct sof_intel_hda_dev *hdev;
 265	struct sdw_intel_ctx *ctx;
 266	u32 caps;
 267
 268	hdev = sdev->pdata->hw_pdata;
 269	ctx = hdev->sdw;
 270
 271	caps = snd_sof_dsp_read(sdev, HDA_DSP_BAR, ctx->shim_base + SDW_SHIM_LCAP);
 272	caps &= SDW_SHIM_LCAP_LCOUNT_MASK;
 273
 274	/* Check HW supported vs property value */
 275	if (caps < ctx->count) {
 276		dev_err(sdev->dev,
 277			"%s: BIOS master count %d is larger than hardware capabilities %d\n",
 278			__func__, ctx->count, caps);
 279		return -EINVAL;
 280	}
 281
 282	return 0;
 283}
 284
 285int hda_sdw_check_lcount_ext(struct snd_sof_dev *sdev)
 286{
 287	struct sof_intel_hda_dev *hdev;
 288	struct sdw_intel_ctx *ctx;
 289	struct hdac_bus *bus;
 290	u32 slcount;
 291
 292	bus = sof_to_bus(sdev);
 293
 294	hdev = sdev->pdata->hw_pdata;
 295	ctx = hdev->sdw;
 296
 297	slcount = hdac_bus_eml_get_count(bus, true, AZX_REG_ML_LEPTR_ID_SDW);
 298
 299	/* Check HW supported vs property value */
 300	if (slcount < ctx->count) {
 301		dev_err(sdev->dev,
 302			"%s: BIOS master count %d is larger than hardware capabilities %d\n",
 303			__func__, ctx->count, slcount);
 304		return -EINVAL;
 305	}
 306
 307	return 0;
 308}
 309
 310static int hda_sdw_check_lcount(struct snd_sof_dev *sdev)
 311{
 312	const struct sof_intel_dsp_desc *chip;
 313
 314	chip = get_chip_info(sdev->pdata);
 315	if (chip && chip->read_sdw_lcount)
 316		return chip->read_sdw_lcount(sdev);
 317
 318	return 0;
 319}
 320
 321int hda_sdw_startup(struct snd_sof_dev *sdev)
 322{
 323	struct sof_intel_hda_dev *hdev;
 324	struct snd_sof_pdata *pdata = sdev->pdata;
 325	int ret;
 326
 327	hdev = sdev->pdata->hw_pdata;
 328
 329	if (!hdev->sdw)
 330		return 0;
 331
 332	if (pdata->machine && !pdata->machine->mach_params.link_mask)
 333		return 0;
 334
 335	ret = hda_sdw_check_lcount(sdev);
 336	if (ret < 0)
 337		return ret;
 338
 339	return sdw_intel_startup(hdev->sdw);
 340}
 
 341
 342static int hda_sdw_exit(struct snd_sof_dev *sdev)
 343{
 344	struct sof_intel_hda_dev *hdev;
 345
 346	hdev = sdev->pdata->hw_pdata;
 347
 348	hda_sdw_int_enable(sdev, false);
 349
 350	if (hdev->sdw)
 351		sdw_intel_exit(hdev->sdw);
 352	hdev->sdw = NULL;
 353
 
 
 354	return 0;
 355}
 356
 357bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev)
 358{
 359	struct sof_intel_hda_dev *hdev;
 360	bool ret = false;
 361	u32 irq_status;
 362
 363	hdev = sdev->pdata->hw_pdata;
 364
 365	if (!hdev->sdw)
 366		return ret;
 367
 368	/* store status */
 369	irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
 370
 371	/* invalid message ? */
 372	if (irq_status == 0xffffffff)
 373		goto out;
 374
 375	/* SDW message ? */
 376	if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
 377		ret = true;
 378
 379out:
 380	return ret;
 381}
 
 382
 383static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
 384{
 385	u32 interface_mask = hda_get_interface_mask(sdev);
 386	const struct sof_intel_dsp_desc *chip;
 387
 388	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
 389		return false;
 390
 391	chip = get_chip_info(sdev->pdata);
 392	if (chip && chip->check_sdw_irq)
 393		return chip->check_sdw_irq(sdev);
 394
 395	return false;
 396}
 397
 398static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
 399{
 400	return sdw_intel_thread(irq, context);
 401}
 402
 403bool hda_sdw_check_wakeen_irq_common(struct snd_sof_dev *sdev)
 404{
 405	struct sof_intel_hda_dev *hdev;
 406
 407	hdev = sdev->pdata->hw_pdata;
 408	if (hdev->sdw &&
 409	    snd_sof_dsp_read(sdev, HDA_DSP_BAR,
 410			     hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS))
 411		return true;
 412
 413	return false;
 414}
 
 415
 416static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
 417{
 418	u32 interface_mask = hda_get_interface_mask(sdev);
 419	const struct sof_intel_dsp_desc *chip;
 420
 421	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
 422		return false;
 423
 424	chip = get_chip_info(sdev->pdata);
 425	if (chip && chip->check_sdw_wakeen_irq)
 426		return chip->check_sdw_wakeen_irq(sdev);
 427
 428	return false;
 429}
 430
 431void hda_sdw_process_wakeen(struct snd_sof_dev *sdev)
 432{
 433	u32 interface_mask = hda_get_interface_mask(sdev);
 434	struct sof_intel_hda_dev *hdev;
 435
 436	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
 437		return;
 438
 439	hdev = sdev->pdata->hw_pdata;
 440	if (!hdev->sdw)
 441		return;
 442
 443	sdw_intel_process_wakeen_event(hdev->sdw);
 444}
 
 445
 446#else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
 447static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
 448{
 449	return 0;
 450}
 451
 452static inline int hda_sdw_probe(struct snd_sof_dev *sdev)
 453{
 454	return 0;
 455}
 456
 457static inline int hda_sdw_exit(struct snd_sof_dev *sdev)
 458{
 459	return 0;
 460}
 461
 462static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
 463{
 464	return false;
 465}
 466
 467static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
 468{
 469	return IRQ_HANDLED;
 470}
 471
 472static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
 473{
 474	return false;
 475}
 476
 477#endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
 478
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 479/*
 480 * Debug
 481 */
 482
 483struct hda_dsp_msg_code {
 484	u32 code;
 485	const char *text;
 486};
 487
 488#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
 489static bool hda_use_msi = true;
 490module_param_named(use_msi, hda_use_msi, bool, 0444);
 491MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
 492#else
 493#define hda_use_msi	(1)
 494#endif
 495
 496int sof_hda_position_quirk = SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS;
 497module_param_named(position_quirk, sof_hda_position_quirk, int, 0444);
 498MODULE_PARM_DESC(position_quirk, "SOF HDaudio position quirk");
 499
 500static char *hda_model;
 501module_param(hda_model, charp, 0444);
 502MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
 503
 504static int dmic_num_override = -1;
 505module_param_named(dmic_num, dmic_num_override, int, 0444);
 506MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
 507
 508static int mclk_id_override = -1;
 509module_param_named(mclk_id, mclk_id_override, int, 0444);
 510MODULE_PARM_DESC(mclk_id, "SOF SSP mclk_id");
 511
 512static const struct hda_dsp_msg_code hda_dsp_rom_fw_error_texts[] = {
 513	{HDA_DSP_ROM_CSE_ERROR, "error: cse error"},
 514	{HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"},
 515	{HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"},
 516	{HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"},
 517	{HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"},
 518	{HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"},
 519	{HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"},
 520	{HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"},
 521	{HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"},
 522	{HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"},
 523	{HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"},
 524	{HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"},
 525	{HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"},
 526	{HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"},
 527	{HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"},
 528	{HDA_DSP_ROM_NULL_FW_ENTRY,	"error: null FW entry point"},
 529};
 530
 531#define FSR_ROM_STATE_ENTRY(state)	{FSR_STATE_ROM_##state, #state}
 532static const struct hda_dsp_msg_code fsr_rom_state_names[] = {
 533	FSR_ROM_STATE_ENTRY(INIT),
 534	FSR_ROM_STATE_ENTRY(INIT_DONE),
 535	FSR_ROM_STATE_ENTRY(CSE_MANIFEST_LOADED),
 536	FSR_ROM_STATE_ENTRY(FW_MANIFEST_LOADED),
 537	FSR_ROM_STATE_ENTRY(FW_FW_LOADED),
 538	FSR_ROM_STATE_ENTRY(FW_ENTERED),
 539	FSR_ROM_STATE_ENTRY(VERIFY_FEATURE_MASK),
 540	FSR_ROM_STATE_ENTRY(GET_LOAD_OFFSET),
 541	FSR_ROM_STATE_ENTRY(FETCH_ROM_EXT),
 542	FSR_ROM_STATE_ENTRY(FETCH_ROM_EXT_DONE),
 543	/* CSE states */
 544	FSR_ROM_STATE_ENTRY(CSE_IMR_REQUEST),
 545	FSR_ROM_STATE_ENTRY(CSE_IMR_GRANTED),
 546	FSR_ROM_STATE_ENTRY(CSE_VALIDATE_IMAGE_REQUEST),
 547	FSR_ROM_STATE_ENTRY(CSE_IMAGE_VALIDATED),
 548	FSR_ROM_STATE_ENTRY(CSE_IPC_IFACE_INIT),
 549	FSR_ROM_STATE_ENTRY(CSE_IPC_RESET_PHASE_1),
 550	FSR_ROM_STATE_ENTRY(CSE_IPC_OPERATIONAL_ENTRY),
 551	FSR_ROM_STATE_ENTRY(CSE_IPC_OPERATIONAL),
 552	FSR_ROM_STATE_ENTRY(CSE_IPC_DOWN),
 553};
 554
 555#define FSR_BRINGUP_STATE_ENTRY(state)	{FSR_STATE_BRINGUP_##state, #state}
 556static const struct hda_dsp_msg_code fsr_bringup_state_names[] = {
 557	FSR_BRINGUP_STATE_ENTRY(INIT),
 558	FSR_BRINGUP_STATE_ENTRY(INIT_DONE),
 559	FSR_BRINGUP_STATE_ENTRY(HPSRAM_LOAD),
 560	FSR_BRINGUP_STATE_ENTRY(UNPACK_START),
 561	FSR_BRINGUP_STATE_ENTRY(IMR_RESTORE),
 562	FSR_BRINGUP_STATE_ENTRY(FW_ENTERED),
 563};
 564
 565#define FSR_WAIT_STATE_ENTRY(state)	{FSR_WAIT_FOR_##state, #state}
 566static const struct hda_dsp_msg_code fsr_wait_state_names[] = {
 567	FSR_WAIT_STATE_ENTRY(IPC_BUSY),
 568	FSR_WAIT_STATE_ENTRY(IPC_DONE),
 569	FSR_WAIT_STATE_ENTRY(CACHE_INVALIDATION),
 570	FSR_WAIT_STATE_ENTRY(LP_SRAM_OFF),
 571	FSR_WAIT_STATE_ENTRY(DMA_BUFFER_FULL),
 572	FSR_WAIT_STATE_ENTRY(CSE_CSR),
 573};
 574
 575#define FSR_MODULE_NAME_ENTRY(mod)	[FSR_MOD_##mod] = #mod
 576static const char * const fsr_module_names[] = {
 577	FSR_MODULE_NAME_ENTRY(ROM),
 578	FSR_MODULE_NAME_ENTRY(ROM_BYP),
 579	FSR_MODULE_NAME_ENTRY(BASE_FW),
 580	FSR_MODULE_NAME_ENTRY(LP_BOOT),
 581	FSR_MODULE_NAME_ENTRY(BRNGUP),
 582	FSR_MODULE_NAME_ENTRY(ROM_EXT),
 583};
 584
 585static const char *
 586hda_dsp_get_state_text(u32 code, const struct hda_dsp_msg_code *msg_code,
 587		       size_t array_size)
 588{
 589	int i;
 590
 591	for (i = 0; i < array_size; i++) {
 592		if (code == msg_code[i].code)
 593			return msg_code[i].text;
 594	}
 595
 596	return NULL;
 597}
 598
 599static void hda_dsp_get_state(struct snd_sof_dev *sdev, const char *level)
 600{
 601	const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
 602	const char *state_text, *error_text, *module_text;
 603	u32 fsr, state, wait_state, module, error_code;
 604
 605	fsr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg);
 606	state = FSR_TO_STATE_CODE(fsr);
 607	wait_state = FSR_TO_WAIT_STATE_CODE(fsr);
 608	module = FSR_TO_MODULE_CODE(fsr);
 609
 610	if (module > FSR_MOD_ROM_EXT)
 611		module_text = "unknown";
 612	else
 613		module_text = fsr_module_names[module];
 614
 615	if (module == FSR_MOD_BRNGUP)
 616		state_text = hda_dsp_get_state_text(state, fsr_bringup_state_names,
 617						    ARRAY_SIZE(fsr_bringup_state_names));
 618	else
 619		state_text = hda_dsp_get_state_text(state, fsr_rom_state_names,
 620						    ARRAY_SIZE(fsr_rom_state_names));
 621
 622	/* not for us, must be generic sof message */
 623	if (!state_text) {
 624		dev_printk(level, sdev->dev, "%#010x: unknown ROM status value\n", fsr);
 625		return;
 626	}
 627
 628	if (wait_state) {
 629		const char *wait_state_text;
 630
 631		wait_state_text = hda_dsp_get_state_text(wait_state, fsr_wait_state_names,
 632							 ARRAY_SIZE(fsr_wait_state_names));
 633		if (!wait_state_text)
 634			wait_state_text = "unknown";
 635
 636		dev_printk(level, sdev->dev,
 637			   "%#010x: module: %s, state: %s, waiting for: %s, %s\n",
 638			   fsr, module_text, state_text, wait_state_text,
 639			   fsr & FSR_HALTED ? "not running" : "running");
 640	} else {
 641		dev_printk(level, sdev->dev, "%#010x: module: %s, state: %s, %s\n",
 642			   fsr, module_text, state_text,
 643			   fsr & FSR_HALTED ? "not running" : "running");
 644	}
 645
 646	error_code = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg + 4);
 647	if (!error_code)
 648		return;
 649
 650	error_text = hda_dsp_get_state_text(error_code, hda_dsp_rom_fw_error_texts,
 651					    ARRAY_SIZE(hda_dsp_rom_fw_error_texts));
 652	if (!error_text)
 653		error_text = "unknown";
 654
 655	if (state == FSR_STATE_FW_ENTERED)
 656		dev_printk(level, sdev->dev, "status code: %#x (%s)\n", error_code,
 657			   error_text);
 658	else
 659		dev_printk(level, sdev->dev, "error code: %#x (%s)\n", error_code,
 660			   error_text);
 661}
 662
 663static void hda_dsp_get_registers(struct snd_sof_dev *sdev,
 664				  struct sof_ipc_dsp_oops_xtensa *xoops,
 665				  struct sof_ipc_panic_info *panic_info,
 666				  u32 *stack, size_t stack_words)
 667{
 668	u32 offset = sdev->dsp_oops_offset;
 669
 670	/* first read registers */
 671	sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
 672
 673	/* note: variable AR register array is not read */
 674
 675	/* then get panic info */
 676	if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
 677		dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
 678			xoops->arch_hdr.totalsize);
 679		return;
 680	}
 681	offset += xoops->arch_hdr.totalsize;
 682	sof_block_read(sdev, sdev->mmio_bar, offset,
 683		       panic_info, sizeof(*panic_info));
 684
 685	/* then get the stack */
 686	offset += sizeof(*panic_info);
 687	sof_block_read(sdev, sdev->mmio_bar, offset, stack,
 688		       stack_words * sizeof(u32));
 689}
 690
 691/* dump the first 8 dwords representing the extended ROM status */
 692static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, const char *level,
 693					u32 flags)
 694{
 695	const struct sof_intel_dsp_desc *chip;
 696	char msg[128];
 697	int len = 0;
 698	u32 value;
 699	int i;
 700
 701	chip = get_chip_info(sdev->pdata);
 702	for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) {
 703		value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg + i * 0x4);
 704		len += scnprintf(msg + len, sizeof(msg) - len, " 0x%x", value);
 705	}
 706
 707	dev_printk(level, sdev->dev, "extended rom status: %s", msg);
 708
 709}
 710
 711void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
 712{
 713	char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR;
 714	struct sof_ipc_dsp_oops_xtensa xoops;
 715	struct sof_ipc_panic_info panic_info;
 716	u32 stack[HDA_DSP_STACK_DUMP_SIZE];
 717
 718	/* print ROM/FW status */
 719	hda_dsp_get_state(sdev, level);
 720
 721	/* The firmware register dump only available with IPC3 */
 722	if (flags & SOF_DBG_DUMP_REGS && sdev->pdata->ipc_type == SOF_IPC_TYPE_3) {
 723		u32 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_STATUS);
 724		u32 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP);
 725
 726		hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
 727				      HDA_DSP_STACK_DUMP_SIZE);
 728		sof_print_oops_and_stack(sdev, level, status, panic, &xoops,
 729					 &panic_info, stack, HDA_DSP_STACK_DUMP_SIZE);
 730	} else {
 731		hda_dsp_dump_ext_rom_status(sdev, level, flags);
 732	}
 733}
 734
 735void hda_ipc4_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
 736{
 737	char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR;
 738
 739	/* print ROM/FW status */
 740	hda_dsp_get_state(sdev, level);
 741
 742	if (flags & SOF_DBG_DUMP_REGS)
 743		sof_ipc4_intel_dump_telemetry_state(sdev, flags);
 744	else
 745		hda_dsp_dump_ext_rom_status(sdev, level, flags);
 746}
 747
 748static bool hda_check_ipc_irq(struct snd_sof_dev *sdev)
 749{
 750	const struct sof_intel_dsp_desc *chip;
 751
 752	chip = get_chip_info(sdev->pdata);
 753	if (chip && chip->check_ipc_irq)
 754		return chip->check_ipc_irq(sdev);
 755
 756	return false;
 757}
 758
 759void hda_ipc_irq_dump(struct snd_sof_dev *sdev)
 760{
 761	u32 adspis;
 762	u32 intsts;
 763	u32 intctl;
 764	u32 ppsts;
 765	u8 rirbsts;
 766
 767	/* read key IRQ stats and config registers */
 768	adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS);
 769	intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS);
 770	intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL);
 771	ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS);
 772	rirbsts = snd_sof_dsp_read8(sdev, HDA_DSP_HDA_BAR, AZX_REG_RIRBSTS);
 773
 774	dev_err(sdev->dev, "hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n",
 775		intsts, intctl, rirbsts);
 776	dev_err(sdev->dev, "dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n", ppsts, adspis);
 777}
 778
 779void hda_ipc_dump(struct snd_sof_dev *sdev)
 780{
 781	u32 hipcie;
 782	u32 hipct;
 783	u32 hipcctl;
 784
 785	hda_ipc_irq_dump(sdev);
 786
 787	/* read IPC status */
 788	hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
 789	hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
 790	hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
 791
 792	/* dump the IPC regs */
 793	/* TODO: parse the raw msg */
 794	dev_err(sdev->dev, "host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n",
 795		hipcie, hipct, hipcctl);
 796}
 797
 798void hda_ipc4_dump(struct snd_sof_dev *sdev)
 799{
 800	u32 hipci, hipcie, hipct, hipcte, hipcctl;
 801
 802	hda_ipc_irq_dump(sdev);
 803
 804	hipci = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCI);
 805	hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
 806	hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
 807	hipcte = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCTE);
 808	hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
 809
 810	/* dump the IPC regs */
 811	/* TODO: parse the raw msg */
 812	dev_err(sdev->dev, "Host IPC initiator: %#x|%#x, target: %#x|%#x, ctl: %#x\n",
 813		hipci, hipcie, hipct, hipcte, hipcctl);
 814}
 815
 816bool hda_ipc4_tx_is_busy(struct snd_sof_dev *sdev)
 817{
 818	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
 819	const struct sof_intel_dsp_desc *chip = hda->desc;
 820	u32 val;
 821
 822	val = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->ipc_req);
 823
 824	return !!(val & chip->ipc_req_mask);
 825}
 826
 827static int hda_init(struct snd_sof_dev *sdev)
 828{
 829	struct hda_bus *hbus;
 830	struct hdac_bus *bus;
 831	struct pci_dev *pci = to_pci_dev(sdev->dev);
 832	int ret;
 833
 834	hbus = sof_to_hbus(sdev);
 835	bus = sof_to_bus(sdev);
 836
 837	/* HDA bus init */
 838	sof_hda_bus_init(sdev, &pci->dev);
 839
 840	if (sof_hda_position_quirk == SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS)
 841		bus->use_posbuf = 0;
 842	else
 843		bus->use_posbuf = 1;
 844	bus->bdl_pos_adj = 0;
 845	bus->sync_write = 1;
 846
 847	mutex_init(&hbus->prepare_mutex);
 848	hbus->pci = pci;
 849	hbus->mixer_assigned = -1;
 850	hbus->modelname = hda_model;
 851
 852	/* initialise hdac bus */
 853	bus->addr = pci_resource_start(pci, 0);
 854	bus->remap_addr = pci_ioremap_bar(pci, 0);
 855	if (!bus->remap_addr) {
 856		dev_err(bus->dev, "error: ioremap error\n");
 857		return -ENXIO;
 858	}
 859
 860	/* HDA base */
 861	sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
 862
 863	/* init i915 and HDMI codecs */
 864	ret = hda_codec_i915_init(sdev);
 865	if (ret < 0 && ret != -ENODEV) {
 866		dev_err_probe(sdev->dev, ret, "init of i915 and HDMI codec failed\n");
 867		goto out;
 868	}
 869
 870	/* get controller capabilities */
 871	ret = hda_dsp_ctrl_get_caps(sdev);
 872	if (ret < 0) {
 873		dev_err(sdev->dev, "error: get caps error\n");
 874		hda_codec_i915_exit(sdev);
 875	}
 876
 877out:
 878	if (ret < 0)
 879		iounmap(sof_to_bus(sdev)->remap_addr);
 880
 881	return ret;
 882}
 883
 884static int check_dmic_num(struct snd_sof_dev *sdev)
 885{
 886	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
 887	struct nhlt_acpi_table *nhlt;
 888	int dmic_num = 0;
 889
 890	nhlt = hdev->nhlt;
 891	if (nhlt)
 892		dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
 893
 
 
 894	/* allow for module parameter override */
 895	if (dmic_num_override != -1) {
 896		dev_dbg(sdev->dev,
 897			"overriding DMICs detected in NHLT tables %d by kernel param %d\n",
 898			dmic_num, dmic_num_override);
 899		dmic_num = dmic_num_override;
 900	}
 901
 902	if (dmic_num < 0 || dmic_num > 4) {
 903		dev_dbg(sdev->dev, "invalid dmic_number %d\n", dmic_num);
 904		dmic_num = 0;
 905	}
 906
 907	return dmic_num;
 908}
 909
 910static int check_nhlt_ssp_mask(struct snd_sof_dev *sdev)
 911{
 912	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
 913	struct nhlt_acpi_table *nhlt;
 914	int ssp_mask = 0;
 915
 916	nhlt = hdev->nhlt;
 917	if (!nhlt)
 918		return ssp_mask;
 919
 920	if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_SSP)) {
 921		ssp_mask = intel_nhlt_ssp_endpoint_mask(nhlt, NHLT_DEVICE_I2S);
 922		if (ssp_mask)
 923			dev_info(sdev->dev, "NHLT_DEVICE_I2S detected, ssp_mask %#x\n", ssp_mask);
 
 
 924	}
 925
 926	return ssp_mask;
 927}
 928
 929static int check_nhlt_ssp_mclk_mask(struct snd_sof_dev *sdev, int ssp_num)
 930{
 931	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
 932	struct nhlt_acpi_table *nhlt;
 933
 934	nhlt = hdev->nhlt;
 935	if (!nhlt)
 936		return 0;
 937
 938	return intel_nhlt_ssp_mclk_mask(nhlt, ssp_num);
 939}
 940
 941#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
 942
 943static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
 944				   const char *sof_tplg_filename,
 945				   const char *idisp_str,
 946				   const char *dmic_str)
 947{
 948	const char *tplg_filename = NULL;
 949	char *filename, *tmp;
 950	const char *split_ext;
 951
 952	filename = kstrdup(sof_tplg_filename, GFP_KERNEL);
 953	if (!filename)
 954		return NULL;
 955
 956	/* this assumes a .tplg extension */
 957	tmp = filename;
 958	split_ext = strsep(&tmp, ".");
 959	if (split_ext)
 960		tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
 961					       "%s%s%s.tplg",
 962					       split_ext, idisp_str, dmic_str);
 963	kfree(filename);
 964
 965	return tplg_filename;
 966}
 967
 968static int dmic_detect_topology_fixup(struct snd_sof_dev *sdev,
 969				      const char **tplg_filename,
 970				      const char *idisp_str,
 971				      int *dmic_found,
 972				      bool tplg_fixup)
 973{
 974	const char *dmic_str;
 975	int dmic_num;
 976
 977	/* first check for DMICs (using NHLT or module parameter) */
 978	dmic_num = check_dmic_num(sdev);
 979
 980	switch (dmic_num) {
 981	case 1:
 982		dmic_str = "-1ch";
 983		break;
 984	case 2:
 985		dmic_str = "-2ch";
 986		break;
 987	case 3:
 988		dmic_str = "-3ch";
 989		break;
 990	case 4:
 991		dmic_str = "-4ch";
 992		break;
 993	default:
 994		dmic_num = 0;
 995		dmic_str = "";
 996		break;
 997	}
 998
 999	if (tplg_fixup) {
1000		const char *default_tplg_filename = *tplg_filename;
1001		const char *fixed_tplg_filename;
1002
1003		fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename,
1004						      idisp_str, dmic_str);
1005		if (!fixed_tplg_filename)
1006			return -ENOMEM;
1007		*tplg_filename = fixed_tplg_filename;
1008	}
1009
1010	dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num);
1011	*dmic_found = dmic_num;
1012
1013	return 0;
1014}
1015#endif
1016
1017static int hda_init_caps(struct snd_sof_dev *sdev)
1018{
1019	u32 interface_mask = hda_get_interface_mask(sdev);
1020	struct hdac_bus *bus = sof_to_bus(sdev);
1021	struct snd_sof_pdata *pdata = sdev->pdata;
1022	struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
1023	u32 link_mask;
1024	int ret = 0;
1025
1026	/* check if dsp is there */
1027	if (bus->ppcap)
1028		dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
1029
1030	/* Init HDA controller after i915 init */
1031	ret = hda_dsp_ctrl_init_chip(sdev);
1032	if (ret < 0) {
1033		dev_err(bus->dev, "error: init chip failed with ret: %d\n",
1034			ret);
1035		return ret;
1036	}
1037
1038	hda_bus_ml_init(bus);
1039
1040	/* Skip SoundWire if it is not supported */
1041	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
1042		goto skip_soundwire;
1043
1044	/* scan SoundWire capabilities exposed by DSDT */
1045	ret = hda_sdw_acpi_scan(sdev);
1046	if (ret < 0) {
1047		dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n");
1048		goto skip_soundwire;
1049	}
1050
1051	link_mask = hdev->info.link_mask;
1052	if (!link_mask) {
1053		dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
1054		goto skip_soundwire;
1055	}
1056
1057	/*
1058	 * probe/allocate SoundWire resources.
1059	 * The hardware configuration takes place in hda_sdw_startup
1060	 * after power rails are enabled.
1061	 * It's entirely possible to have a mix of I2S/DMIC/SoundWire
1062	 * devices, so we allocate the resources in all cases.
1063	 */
1064	ret = hda_sdw_probe(sdev);
1065	if (ret < 0) {
1066		dev_err(sdev->dev, "error: SoundWire probe error\n");
1067		return ret;
1068	}
1069
1070skip_soundwire:
1071
1072	/* create codec instances */
1073	hda_codec_probe_bus(sdev);
1074
1075	if (!HDA_IDISP_CODEC(bus->codec_mask))
1076		hda_codec_i915_display_power(sdev, false);
1077
1078	hda_bus_ml_put_all(bus);
1079
1080	return 0;
1081}
1082
1083static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
1084{
1085	struct snd_sof_dev *sdev = context;
1086
1087	/*
1088	 * Get global interrupt status. It includes all hardware interrupt
1089	 * sources in the Intel HD Audio controller.
1090	 */
1091	if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
1092	    SOF_HDA_INTSTS_GIS) {
1093
1094		/* disable GIE interrupt */
1095		snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
1096					SOF_HDA_INTCTL,
1097					SOF_HDA_INT_GLOBAL_EN,
1098					0);
1099
1100		return IRQ_WAKE_THREAD;
1101	}
1102
1103	return IRQ_NONE;
1104}
1105
1106static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
1107{
1108	struct snd_sof_dev *sdev = context;
1109	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
1110
1111	/* deal with streams and controller first */
1112	if (hda_dsp_check_stream_irq(sdev)) {
1113		trace_sof_intel_hda_irq(sdev, "stream");
1114		hda_dsp_stream_threaded_handler(irq, sdev);
1115	}
1116
1117	if (hda_check_ipc_irq(sdev)) {
1118		trace_sof_intel_hda_irq(sdev, "ipc");
1119		sof_ops(sdev)->irq_thread(irq, sdev);
1120	}
1121
1122	if (hda_dsp_check_sdw_irq(sdev)) {
1123		trace_sof_intel_hda_irq(sdev, "sdw");
1124		hda_dsp_sdw_thread(irq, hdev->sdw);
1125	}
1126
1127	if (hda_sdw_check_wakeen_irq(sdev)) {
1128		trace_sof_intel_hda_irq(sdev, "wakeen");
1129		hda_sdw_process_wakeen(sdev);
1130	}
1131
1132	hda_codec_check_for_state_change(sdev);
1133
1134	/* enable GIE interrupt */
1135	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
1136				SOF_HDA_INTCTL,
1137				SOF_HDA_INT_GLOBAL_EN,
1138				SOF_HDA_INT_GLOBAL_EN);
1139
1140	return IRQ_HANDLED;
1141}
1142
1143int hda_dsp_probe_early(struct snd_sof_dev *sdev)
1144{
1145	struct pci_dev *pci = to_pci_dev(sdev->dev);
1146	struct sof_intel_hda_dev *hdev;
1147	const struct sof_intel_dsp_desc *chip;
1148	int ret = 0;
1149
1150	if (!sdev->dspless_mode_selected) {
1151		/*
1152		 * detect DSP by checking class/subclass/prog-id information
1153		 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
1154		 * class=04 subclass 01 prog-if 00: DSP is present
1155		 *   (and may be required e.g. for DMIC or SSP support)
1156		 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
1157		 */
1158		if (pci->class == 0x040300) {
1159			dev_err(sdev->dev, "the DSP is not enabled on this platform, aborting probe\n");
1160			return -ENODEV;
1161		} else if (pci->class != 0x040100 && pci->class != 0x040380) {
1162			dev_err(sdev->dev, "unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n",
1163				pci->class);
1164			return -ENODEV;
1165		}
1166		dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n",
1167			 pci->class);
1168	}
1169
1170	chip = get_chip_info(sdev->pdata);
1171	if (!chip) {
1172		dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
1173			pci->device);
1174		ret = -EIO;
1175		goto err;
1176	}
1177
1178	sdev->num_cores = chip->cores_num;
1179
1180	hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
1181	if (!hdev)
1182		return -ENOMEM;
1183	sdev->pdata->hw_pdata = hdev;
1184	hdev->desc = chip;
1185	ret = hda_init(sdev);
1186
1187err:
1188	return ret;
1189}
 
1190
1191int hda_dsp_probe(struct snd_sof_dev *sdev)
1192{
1193	struct pci_dev *pci = to_pci_dev(sdev->dev);
1194	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
 
1195	int ret = 0;
1196
1197	hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
1198						       PLATFORM_DEVID_NONE,
1199						       NULL, 0);
1200	if (IS_ERR(hdev->dmic_dev)) {
1201		dev_err(sdev->dev, "error: failed to create DMIC device\n");
1202		return PTR_ERR(hdev->dmic_dev);
1203	}
1204
1205	/*
1206	 * use position update IPC if either it is forced
1207	 * or we don't have other choice
1208	 */
1209#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
1210	hdev->no_ipc_position = 0;
1211#else
1212	hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
1213#endif
1214
1215	if (sdev->dspless_mode_selected)
1216		hdev->no_ipc_position = 1;
1217
1218	if (sdev->dspless_mode_selected)
1219		goto skip_dsp_setup;
1220
1221	/* DSP base */
1222	sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
1223	if (!sdev->bar[HDA_DSP_BAR]) {
1224		dev_err(sdev->dev, "error: ioremap error\n");
1225		ret = -ENXIO;
1226		goto hdac_bus_unmap;
1227	}
1228
1229	sdev->mmio_bar = HDA_DSP_BAR;
1230	sdev->mailbox_bar = HDA_DSP_BAR;
1231skip_dsp_setup:
1232
1233	/* allow 64bit DMA address if supported by H/W */
1234	if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) {
1235		dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
1236		dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32));
1237	}
1238	dma_set_max_seg_size(&pci->dev, UINT_MAX);
1239
1240	/* init streams */
1241	ret = hda_dsp_stream_init(sdev);
1242	if (ret < 0) {
1243		dev_err(sdev->dev, "error: failed to init streams\n");
1244		/*
1245		 * not all errors are due to memory issues, but trying
1246		 * to free everything does not harm
1247		 */
1248		goto free_streams;
1249	}
1250
1251	/*
1252	 * register our IRQ
1253	 * let's try to enable msi firstly
1254	 * if it fails, use legacy interrupt mode
1255	 * TODO: support msi multiple vectors
1256	 */
1257	if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
1258		dev_info(sdev->dev, "use msi interrupt mode\n");
1259		sdev->ipc_irq = pci_irq_vector(pci, 0);
1260		/* initialised to "false" by kzalloc() */
1261		sdev->msi_enabled = true;
1262	}
1263
1264	if (!sdev->msi_enabled) {
1265		dev_info(sdev->dev, "use legacy interrupt mode\n");
1266		/*
1267		 * in IO-APIC mode, hda->irq and ipc_irq are using the same
1268		 * irq number of pci->irq
1269		 */
1270		sdev->ipc_irq = pci->irq;
1271	}
1272
1273	dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
1274	ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
1275				   hda_dsp_interrupt_thread,
1276				   IRQF_SHARED, "AudioDSP", sdev);
1277	if (ret < 0) {
1278		dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
1279			sdev->ipc_irq);
1280		goto free_irq_vector;
1281	}
1282
1283	pci_set_master(pci);
1284	synchronize_irq(pci->irq);
1285
1286	/*
1287	 * clear TCSEL to clear playback on some HD Audio
1288	 * codecs. PCI TCSEL is defined in the Intel manuals.
1289	 */
1290	snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
1291
1292	/* init HDA capabilities */
1293	ret = hda_init_caps(sdev);
1294	if (ret < 0)
1295		goto free_ipc_irq;
1296
1297	if (!sdev->dspless_mode_selected) {
1298		/* enable ppcap interrupt */
1299		hda_dsp_ctrl_ppcap_enable(sdev, true);
1300		hda_dsp_ctrl_ppcap_int_enable(sdev, true);
1301
1302		/* set default mailbox offset for FW ready message */
1303		sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
1304
1305		INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work);
1306	}
1307
 
 
 
 
 
 
 
 
 
1308	init_waitqueue_head(&hdev->waitq);
1309
1310	hdev->nhlt = intel_nhlt_init(sdev->dev);
1311
1312	return 0;
1313
 
 
 
 
 
1314free_ipc_irq:
1315	free_irq(sdev->ipc_irq, sdev);
1316free_irq_vector:
1317	if (sdev->msi_enabled)
1318		pci_free_irq_vectors(pci);
1319free_streams:
1320	hda_dsp_stream_free(sdev);
1321/* dsp_unmap: not currently used */
1322	if (!sdev->dspless_mode_selected)
1323		iounmap(sdev->bar[HDA_DSP_BAR]);
1324hdac_bus_unmap:
1325	platform_device_unregister(hdev->dmic_dev);
1326
1327	return ret;
1328}
 
1329
1330void hda_dsp_remove(struct snd_sof_dev *sdev)
1331{
1332	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
1333	const struct sof_intel_dsp_desc *chip = hda->desc;
1334	struct pci_dev *pci = to_pci_dev(sdev->dev);
1335	struct nhlt_acpi_table *nhlt = hda->nhlt;
1336
1337	if (nhlt)
1338		intel_nhlt_free(nhlt);
1339
1340	if (!sdev->dspless_mode_selected)
1341		/* cancel any attempt for DSP D0I3 */
1342		cancel_delayed_work_sync(&hda->d0i3_work);
1343
1344	hda_codec_device_remove(sdev);
1345
1346	hda_sdw_exit(sdev);
1347
1348	if (!IS_ERR_OR_NULL(hda->dmic_dev))
1349		platform_device_unregister(hda->dmic_dev);
1350
1351	if (!sdev->dspless_mode_selected) {
1352		/* disable DSP IRQ */
1353		hda_dsp_ctrl_ppcap_int_enable(sdev, false);
1354	}
1355
1356	/* disable CIE and GIE interrupts */
1357	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
1358				SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
1359
1360	if (sdev->dspless_mode_selected)
1361		goto skip_disable_dsp;
1362
1363	/* no need to check for error as the DSP will be disabled anyway */
1364	if (chip && chip->power_down_dsp)
1365		chip->power_down_dsp(sdev);
1366
1367	/* disable DSP */
1368	hda_dsp_ctrl_ppcap_enable(sdev, false);
1369
 
 
 
 
 
 
1370skip_disable_dsp:
1371	free_irq(sdev->ipc_irq, sdev);
1372	if (sdev->msi_enabled)
1373		pci_free_irq_vectors(pci);
1374
1375	hda_dsp_stream_free(sdev);
1376
1377	hda_bus_ml_free(sof_to_bus(sdev));
1378
1379	if (!sdev->dspless_mode_selected)
1380		iounmap(sdev->bar[HDA_DSP_BAR]);
1381}
 
1382
1383void hda_dsp_remove_late(struct snd_sof_dev *sdev)
1384{
1385	iounmap(sof_to_bus(sdev)->remap_addr);
1386	sof_hda_bus_exit(sdev);
1387	hda_codec_i915_exit(sdev);
1388}
1389
1390int hda_power_down_dsp(struct snd_sof_dev *sdev)
1391{
1392	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
1393	const struct sof_intel_dsp_desc *chip = hda->desc;
1394
1395	return hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask);
1396}
 
1397
1398#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
1399static void hda_generic_machine_select(struct snd_sof_dev *sdev,
1400				       struct snd_soc_acpi_mach **mach)
1401{
1402	struct hdac_bus *bus = sof_to_bus(sdev);
1403	struct snd_soc_acpi_mach_params *mach_params;
1404	struct snd_soc_acpi_mach *hda_mach;
1405	struct snd_sof_pdata *pdata = sdev->pdata;
1406	const char *tplg_filename;
1407	const char *idisp_str;
1408	int dmic_num = 0;
1409	int codec_num = 0;
1410	int ret;
1411	int i;
1412
1413	/* codec detection */
1414	if (!bus->codec_mask) {
1415		dev_info(bus->dev, "no hda codecs found!\n");
1416	} else {
1417		dev_info(bus->dev, "hda codecs found, mask %lx\n",
1418			 bus->codec_mask);
1419
1420		for (i = 0; i < HDA_MAX_CODECS; i++) {
1421			if (bus->codec_mask & (1 << i))
1422				codec_num++;
1423		}
1424
1425		/*
1426		 * If no machine driver is found, then:
1427		 *
1428		 * generic hda machine driver can handle:
1429		 *  - one HDMI codec, and/or
1430		 *  - one external HDAudio codec
1431		 */
1432		if (!*mach && codec_num <= 2) {
1433			bool tplg_fixup;
1434
1435			hda_mach = snd_soc_acpi_intel_hda_machines;
1436
1437			dev_info(bus->dev, "using HDA machine driver %s now\n",
1438				 hda_mach->drv_name);
1439
1440			if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask))
1441				idisp_str = "-idisp";
1442			else
1443				idisp_str = "";
1444
1445			/* topology: use the info from hda_machines */
1446			if (pdata->tplg_filename) {
1447				tplg_fixup = false;
1448				tplg_filename = pdata->tplg_filename;
1449			} else {
1450				tplg_fixup = true;
1451				tplg_filename = hda_mach->sof_tplg_filename;
1452			}
1453			ret = dmic_detect_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num,
1454							 tplg_fixup);
1455			if (ret < 0)
1456				return;
1457
1458			hda_mach->mach_params.dmic_num = dmic_num;
1459			pdata->tplg_filename = tplg_filename;
 
 
 
 
 
 
 
 
1460
1461			if (codec_num == 2 ||
1462			    (codec_num == 1 && !HDA_IDISP_CODEC(bus->codec_mask))) {
1463				/*
1464				 * Prevent SoundWire links from starting when an external
1465				 * HDaudio codec is used
1466				 */
1467				hda_mach->mach_params.link_mask = 0;
1468			} else {
1469				/*
1470				 * Allow SoundWire links to start when no external HDaudio codec
1471				 * was detected. This will not create a SoundWire card but
1472				 * will help detect if any SoundWire codec reports as ATTACHED.
1473				 */
1474				struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
1475
1476				hda_mach->mach_params.link_mask = hdev->info.link_mask;
1477			}
1478
1479			*mach = hda_mach;
1480		}
1481	}
1482
1483	/* used by hda machine driver to create dai links */
1484	if (*mach) {
1485		mach_params = &(*mach)->mach_params;
1486		mach_params->codec_mask = bus->codec_mask;
1487		mach_params->common_hdmi_codec_drv = true;
1488	}
1489}
1490#else
1491static void hda_generic_machine_select(struct snd_sof_dev *sdev,
1492				       struct snd_soc_acpi_mach **mach)
1493{
1494}
1495#endif
1496
1497#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
1498
1499static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1500{
1501	struct snd_sof_pdata *pdata = sdev->pdata;
1502	const struct snd_soc_acpi_link_adr *link;
 
1503	struct snd_soc_acpi_mach *mach;
1504	struct sof_intel_hda_dev *hdev;
1505	u32 link_mask;
1506	int i;
1507
1508	hdev = pdata->hw_pdata;
1509	link_mask = hdev->info.link_mask;
1510
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1511	/*
1512	 * Select SoundWire machine driver if needed using the
1513	 * alternate tables. This case deals with SoundWire-only
1514	 * machines, for mixed cases with I2C/I2S the detection relies
1515	 * on the HID list.
1516	 */
1517	if (link_mask) {
1518		for (mach = pdata->desc->alt_machines;
1519		     mach && mach->link_mask; mach++) {
1520			/*
1521			 * On some platforms such as Up Extreme all links
1522			 * are enabled but only one link can be used by
1523			 * external codec. Instead of exact match of two masks,
1524			 * first check whether link_mask of mach is subset of
1525			 * link_mask supported by hw and then go on searching
1526			 * link_adr
1527			 */
1528			if (~link_mask & mach->link_mask)
1529				continue;
1530
1531			/* No need to match adr if there is no links defined */
1532			if (!mach->links)
1533				break;
1534
1535			link = mach->links;
1536			for (i = 0; i < hdev->info.count && link->num_adr;
1537			     i++, link++) {
1538				/*
1539				 * Try next machine if any expected Slaves
1540				 * are not found on this link.
1541				 */
1542				if (!snd_soc_acpi_sdw_link_slaves_found(sdev->dev, link,
1543									hdev->sdw->ids,
1544									hdev->sdw->num_slaves))
1545					break;
1546			}
1547			/* Found if all Slaves are checked */
1548			if (i == hdev->info.count || !link->num_adr)
1549				break;
1550		}
1551		if (mach && mach->link_mask) {
1552			int dmic_num = 0;
1553			bool tplg_fixup;
1554			const char *tplg_filename;
1555
1556			mach->mach_params.links = mach->links;
1557			mach->mach_params.link_mask = mach->link_mask;
1558			mach->mach_params.platform = dev_name(sdev->dev);
1559
1560			if (pdata->tplg_filename) {
1561				tplg_fixup = false;
1562			} else {
1563				tplg_fixup = true;
1564				tplg_filename = mach->sof_tplg_filename;
1565			}
1566
 
 
 
 
 
 
 
1567			/*
1568			 * DMICs use up to 4 pins and are typically pin-muxed with SoundWire
1569			 * link 2 and 3, or link 1 and 2, thus we only try to enable dmics
1570			 * if all conditions are true:
1571			 * a) 2 or fewer links are used by SoundWire
1572			 * b) the NHLT table reports the presence of microphones
1573			 */
1574			if (hweight_long(mach->link_mask) <= 2) {
1575				int ret;
1576
1577				ret = dmic_detect_topology_fixup(sdev, &tplg_filename, "",
1578								 &dmic_num, tplg_fixup);
1579				if (ret < 0)
1580					return NULL;
1581			}
1582			if (tplg_fixup)
1583				pdata->tplg_filename = tplg_filename;
1584			mach->mach_params.dmic_num = dmic_num;
1585
1586			dev_dbg(sdev->dev,
1587				"SoundWire machine driver %s topology %s\n",
1588				mach->drv_name,
1589				pdata->tplg_filename);
1590
1591			return mach;
1592		}
1593
1594		dev_info(sdev->dev, "No SoundWire machine driver found\n");
 
 
1595	}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1596
1597	return NULL;
1598}
1599#else
1600static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1601{
1602	return NULL;
1603}
1604#endif
1605
1606void hda_set_mach_params(struct snd_soc_acpi_mach *mach,
1607			 struct snd_sof_dev *sdev)
1608{
1609	struct snd_sof_pdata *pdata = sdev->pdata;
1610	const struct sof_dev_desc *desc = pdata->desc;
1611	struct snd_soc_acpi_mach_params *mach_params;
1612
1613	mach_params = &mach->mach_params;
1614	mach_params->platform = dev_name(sdev->dev);
1615	if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) &&
1616	    sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC))
1617		mach_params->num_dai_drivers = SOF_SKL_NUM_DAIS_NOCODEC;
1618	else
1619		mach_params->num_dai_drivers = desc->ops->num_drv;
1620	mach_params->dai_drivers = desc->ops->drv;
1621}
1622
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1623struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev)
1624{
1625	u32 interface_mask = hda_get_interface_mask(sdev);
1626	struct snd_sof_pdata *sof_pdata = sdev->pdata;
1627	const struct sof_dev_desc *desc = sof_pdata->desc;
 
1628	struct snd_soc_acpi_mach *mach = NULL;
 
1629	const char *tplg_filename;
 
 
 
 
1630
1631	/* Try I2S or DMIC if it is supported */
1632	if (interface_mask & (BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC)))
1633		mach = snd_soc_acpi_find_machine(desc->machines);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1634
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1635	if (mach) {
1636		bool add_extension = false;
1637		bool tplg_fixup = false;
 
1638
1639		/*
1640		 * If tplg file name is overridden, use it instead of
1641		 * the one set in mach table
1642		 */
1643		if (!sof_pdata->tplg_filename) {
1644			sof_pdata->tplg_filename = mach->sof_tplg_filename;
 
 
 
 
 
1645			tplg_fixup = true;
1646		}
1647
 
 
 
 
 
 
 
 
 
 
 
1648		/* report to machine driver if any DMICs are found */
1649		mach->mach_params.dmic_num = check_dmic_num(sdev);
1650
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1651		if (tplg_fixup &&
1652		    mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER &&
1653		    mach->mach_params.dmic_num) {
1654			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1655						       "%s%s%d%s",
1656						       sof_pdata->tplg_filename,
1657						       "-dmic",
1658						       mach->mach_params.dmic_num,
1659						       "ch");
1660			if (!tplg_filename)
1661				return NULL;
1662
1663			sof_pdata->tplg_filename = tplg_filename;
1664			add_extension = true;
1665		}
1666
1667		if (mach->link_mask) {
1668			mach->mach_params.links = mach->links;
1669			mach->mach_params.link_mask = mach->link_mask;
1670		}
1671
1672		/* report SSP link mask to machine driver */
1673		mach->mach_params.i2s_link_mask = check_nhlt_ssp_mask(sdev);
1674
1675		if (tplg_fixup &&
1676		    mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER &&
1677		    mach->mach_params.i2s_link_mask) {
1678			const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
1679			int ssp_num;
1680			int mclk_mask;
1681
1682			if (hweight_long(mach->mach_params.i2s_link_mask) > 1 &&
1683			    !(mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_MSB))
1684				dev_warn(sdev->dev, "More than one SSP exposed by NHLT, choosing MSB\n");
1685
1686			/* fls returns 1-based results, SSPs indices are 0-based */
1687			ssp_num = fls(mach->mach_params.i2s_link_mask) - 1;
1688
1689			if (ssp_num >= chip->ssp_count) {
1690				dev_err(sdev->dev, "Invalid SSP %d, max on this platform is %d\n",
1691					ssp_num, chip->ssp_count);
1692				return NULL;
1693			}
1694
1695			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1696						       "%s%s%d",
1697						       sof_pdata->tplg_filename,
1698						       "-ssp",
1699						       ssp_num);
1700			if (!tplg_filename)
1701				return NULL;
1702
1703			sof_pdata->tplg_filename = tplg_filename;
1704			add_extension = true;
1705
1706			mclk_mask = check_nhlt_ssp_mclk_mask(sdev, ssp_num);
1707
1708			if (mclk_mask < 0) {
1709				dev_err(sdev->dev, "Invalid MCLK configuration\n");
1710				return NULL;
1711			}
1712
1713			dev_dbg(sdev->dev, "MCLK mask %#x found in NHLT\n", mclk_mask);
1714
1715			if (mclk_mask) {
1716				dev_info(sdev->dev, "Overriding topology with MCLK mask %#x from NHLT\n", mclk_mask);
1717				sdev->mclk_id_override = true;
1718				sdev->mclk_id_quirk = (mclk_mask & BIT(0)) ? 0 : 1;
1719			}
1720		}
1721
1722		if (tplg_fixup && add_extension) {
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1723			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1724						       "%s%s",
1725						       sof_pdata->tplg_filename,
1726						       ".tplg");
1727			if (!tplg_filename)
1728				return NULL;
1729
1730			sof_pdata->tplg_filename = tplg_filename;
1731		}
1732
1733		/* check if mclk_id should be modified from topology defaults */
1734		if (mclk_id_override >= 0) {
1735			dev_info(sdev->dev, "Overriding topology with MCLK %d from kernel_parameter\n", mclk_id_override);
1736			sdev->mclk_id_override = true;
1737			sdev->mclk_id_quirk = mclk_id_override;
1738		}
1739	}
1740
1741	/* If I2S fails, try SoundWire if it is supported */
1742	if (!mach && (interface_mask & BIT(SOF_DAI_INTEL_ALH)))
1743		mach = hda_sdw_machine_select(sdev);
1744
1745	/*
1746	 * Choose HDA generic machine driver if mach is NULL.
1747	 * Otherwise, set certain mach params.
1748	 */
1749	hda_generic_machine_select(sdev, &mach);
1750	if (!mach)
1751		dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
1752
1753	return mach;
1754}
1755
1756int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1757{
1758	int ret;
1759
1760	ret = snd_intel_dsp_driver_probe(pci);
1761	if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
1762		dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n");
1763		return -ENODEV;
1764	}
1765
1766	return sof_pci_probe(pci, pci_id);
1767}
1768EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_COMMON);
1769
1770int hda_register_clients(struct snd_sof_dev *sdev)
1771{
1772	return hda_probes_register(sdev);
1773}
1774
1775void hda_unregister_clients(struct snd_sof_dev *sdev)
1776{
1777	hda_probes_unregister(sdev);
1778}
1779
1780MODULE_LICENSE("Dual BSD/GPL");
1781MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
1782MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC);
1783MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
1784MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
1785MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI);
1786MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT);
1787MODULE_IMPORT_NS(SOUNDWIRE_INTEL);
1788MODULE_IMPORT_NS(SND_SOC_SOF_HDA_MLINK);
 
 
 
v6.13.7
   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 */
  55static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET;
  56module_param(sdw_clock_stop_quirks, int, 0444);
  57MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
  58
  59static 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	if (!w) {
  67		dev_err(dev, "%s widget not found, check amp link num in the topology\n",
  68			d->name);
  69		return -EINVAL;
  70	}
  71	data.dai_index = (params_data->link_id << 8) | d->id;
  72	data.dai_data = params_data->alh_stream_id;
  73	data.dai_node_id = data.dai_data;
  74
  75	return hda_dai_config(w, SOF_DAI_CONFIG_FLAGS_HW_PARAMS, &data);
  76}
  77
  78static int sdw_params_free(struct device *dev, struct sdw_intel_stream_free_data *free_data)
  79{
  80	struct snd_soc_dai *d = free_data->dai;
  81	struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(d, free_data->substream->stream);
  82	struct snd_sof_dev *sdev = widget_to_sdev(w);
  83
  84	if (sdev->pdata->ipc_type == SOF_IPC_TYPE_4) {
  85		struct snd_sof_widget *swidget = w->dobj.private;
  86		struct snd_sof_dai *dai = swidget->private;
  87		struct sof_ipc4_copier_data *copier_data;
  88		struct sof_ipc4_copier *ipc4_copier;
  89
  90		ipc4_copier = dai->private;
  91		ipc4_copier->dai_index = 0;
  92		copier_data = &ipc4_copier->data;
  93
  94		/* clear the node ID */
  95		copier_data->gtw_cfg.node_id &= ~SOF_IPC4_NODE_INDEX_MASK;
  96	}
  97
  98	return 0;
  99}
 100
 101struct sdw_intel_ops sdw_callback = {
 102	.params_stream = sdw_params_stream,
 103	.free_stream = sdw_params_free,
 104};
 105
 106static int sdw_ace2x_params_stream(struct device *dev,
 107				   struct sdw_intel_stream_params_data *params_data)
 108{
 109	return sdw_hda_dai_hw_params(params_data->substream,
 110				     params_data->hw_params,
 111				     params_data->dai,
 112				     params_data->link_id,
 113				     params_data->alh_stream_id);
 114}
 115
 116static int sdw_ace2x_free_stream(struct device *dev,
 117				 struct sdw_intel_stream_free_data *free_data)
 118{
 119	return sdw_hda_dai_hw_free(free_data->substream,
 120				   free_data->dai,
 121				   free_data->link_id);
 122}
 123
 124static int sdw_ace2x_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai)
 125{
 126	return sdw_hda_dai_trigger(substream, cmd, dai);
 127}
 128
 129static struct sdw_intel_ops sdw_ace2x_callback = {
 130	.params_stream = sdw_ace2x_params_stream,
 131	.free_stream = sdw_ace2x_free_stream,
 132	.trigger = sdw_ace2x_trigger,
 133};
 134
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 135static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
 136{
 137	u32 interface_mask = hda_get_interface_mask(sdev);
 138	struct sof_intel_hda_dev *hdev;
 139	acpi_handle handle;
 140	int ret;
 141
 142	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
 143		return -EINVAL;
 144
 145	handle = ACPI_HANDLE(sdev->dev);
 146
 147	/* save ACPI info for the probe step */
 148	hdev = sdev->pdata->hw_pdata;
 149
 150	ret = sdw_intel_acpi_scan(handle, &hdev->info);
 151	if (ret < 0)
 152		return -EINVAL;
 153
 154	return 0;
 155}
 156
 157static int hda_sdw_probe(struct snd_sof_dev *sdev)
 158{
 159	const struct sof_intel_dsp_desc *chip;
 160	struct sof_intel_hda_dev *hdev;
 161	struct sdw_intel_res res;
 162	void *sdw;
 163
 164	hdev = sdev->pdata->hw_pdata;
 165
 166	memset(&res, 0, sizeof(res));
 167
 168	chip = get_chip_info(sdev->pdata);
 169	if (chip->hw_ip_version < SOF_INTEL_ACE_2_0) {
 170		res.mmio_base = sdev->bar[HDA_DSP_BAR];
 171		res.hw_ops = &sdw_intel_cnl_hw_ops;
 172		res.shim_base = hdev->desc->sdw_shim_base;
 173		res.alh_base = hdev->desc->sdw_alh_base;
 174		res.ext = false;
 175		res.ops = &sdw_callback;
 176	} else {
 177		/*
 178		 * retrieve eml_lock needed to protect shared registers
 179		 * in the HDaudio multi-link areas
 180		 */
 181		res.eml_lock = hdac_bus_eml_get_mutex(sof_to_bus(sdev), true,
 182						      AZX_REG_ML_LEPTR_ID_SDW);
 183		if (!res.eml_lock)
 184			return -ENODEV;
 185
 186		res.mmio_base = sdev->bar[HDA_DSP_HDA_BAR];
 187		/*
 188		 * the SHIM and SoundWire register offsets are link-specific
 189		 * and will be determined when adding auxiliary devices
 190		 */
 191		res.hw_ops = &sdw_intel_lnl_hw_ops;
 192		res.ext = true;
 193		res.ops = &sdw_ace2x_callback;
 194
 195	}
 196	res.irq = sdev->ipc_irq;
 197	res.handle = hdev->info.handle;
 198	res.parent = sdev->dev;
 199
 200	res.dev = sdev->dev;
 201	res.clock_stop_quirks = sdw_clock_stop_quirks;
 202	res.hbus = sof_to_bus(sdev);
 203
 204	/*
 205	 * ops and arg fields are not populated for now,
 206	 * they will be needed when the DAI callbacks are
 207	 * provided
 208	 */
 209
 210	/* we could filter links here if needed, e.g for quirks */
 211	res.count = hdev->info.count;
 212	res.link_mask = hdev->info.link_mask;
 213
 214	sdw = sdw_intel_probe(&res);
 215	if (!sdw) {
 216		dev_err(sdev->dev, "error: SoundWire probe failed\n");
 217		return -EINVAL;
 218	}
 219
 220	/* save context */
 221	hdev->sdw = sdw;
 222
 223	return 0;
 224}
 225
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 226int hda_sdw_startup(struct snd_sof_dev *sdev)
 227{
 228	struct sof_intel_hda_dev *hdev;
 229	struct snd_sof_pdata *pdata = sdev->pdata;
 230	int ret;
 231
 232	hdev = sdev->pdata->hw_pdata;
 233
 234	if (!hdev->sdw)
 235		return 0;
 236
 237	if (pdata->machine && !pdata->machine->mach_params.link_mask)
 238		return 0;
 239
 240	ret = hda_sdw_check_lcount(sdev);
 241	if (ret < 0)
 242		return ret;
 243
 244	return sdw_intel_startup(hdev->sdw);
 245}
 246EXPORT_SYMBOL_NS(hda_sdw_startup, "SND_SOC_SOF_INTEL_HDA_GENERIC");
 247
 248static int hda_sdw_exit(struct snd_sof_dev *sdev)
 249{
 250	struct sof_intel_hda_dev *hdev;
 251
 252	hdev = sdev->pdata->hw_pdata;
 253
 
 
 254	if (hdev->sdw)
 255		sdw_intel_exit(hdev->sdw);
 256	hdev->sdw = NULL;
 257
 258	hda_sdw_int_enable(sdev, false);
 259
 260	return 0;
 261}
 262
 263bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev)
 264{
 265	struct sof_intel_hda_dev *hdev;
 266	bool ret = false;
 267	u32 irq_status;
 268
 269	hdev = sdev->pdata->hw_pdata;
 270
 271	if (!hdev->sdw)
 272		return ret;
 273
 274	/* store status */
 275	irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
 276
 277	/* invalid message ? */
 278	if (irq_status == 0xffffffff)
 279		goto out;
 280
 281	/* SDW message ? */
 282	if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
 283		ret = true;
 284
 285out:
 286	return ret;
 287}
 288EXPORT_SYMBOL_NS(hda_common_check_sdw_irq, "SND_SOC_SOF_INTEL_HDA_GENERIC");
 289
 290static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
 291{
 292	u32 interface_mask = hda_get_interface_mask(sdev);
 293	const struct sof_intel_dsp_desc *chip;
 294
 295	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
 296		return false;
 297
 298	chip = get_chip_info(sdev->pdata);
 299	if (chip && chip->check_sdw_irq)
 300		return chip->check_sdw_irq(sdev);
 301
 302	return false;
 303}
 304
 305static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
 306{
 307	return sdw_intel_thread(irq, context);
 308}
 309
 310bool hda_sdw_check_wakeen_irq_common(struct snd_sof_dev *sdev)
 311{
 312	struct sof_intel_hda_dev *hdev;
 313
 314	hdev = sdev->pdata->hw_pdata;
 315	if (hdev->sdw &&
 316	    snd_sof_dsp_read(sdev, HDA_DSP_BAR,
 317			     hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS))
 318		return true;
 319
 320	return false;
 321}
 322EXPORT_SYMBOL_NS(hda_sdw_check_wakeen_irq_common, "SND_SOC_SOF_INTEL_HDA_GENERIC");
 323
 324static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
 325{
 326	u32 interface_mask = hda_get_interface_mask(sdev);
 327	const struct sof_intel_dsp_desc *chip;
 328
 329	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
 330		return false;
 331
 332	chip = get_chip_info(sdev->pdata);
 333	if (chip && chip->check_sdw_wakeen_irq)
 334		return chip->check_sdw_wakeen_irq(sdev);
 335
 336	return false;
 337}
 338
 339void hda_sdw_process_wakeen_common(struct snd_sof_dev *sdev)
 340{
 341	u32 interface_mask = hda_get_interface_mask(sdev);
 342	struct sof_intel_hda_dev *hdev;
 343
 344	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
 345		return;
 346
 347	hdev = sdev->pdata->hw_pdata;
 348	if (!hdev->sdw)
 349		return;
 350
 351	sdw_intel_process_wakeen_event(hdev->sdw);
 352}
 353EXPORT_SYMBOL_NS(hda_sdw_process_wakeen_common, "SND_SOC_SOF_INTEL_HDA_GENERIC");
 354
 355#else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
 356static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
 357{
 358	return 0;
 359}
 360
 361static inline int hda_sdw_probe(struct snd_sof_dev *sdev)
 362{
 363	return 0;
 364}
 365
 366static inline int hda_sdw_exit(struct snd_sof_dev *sdev)
 367{
 368	return 0;
 369}
 370
 371static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
 372{
 373	return false;
 374}
 375
 376static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
 377{
 378	return IRQ_HANDLED;
 379}
 380
 381static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
 382{
 383	return false;
 384}
 385
 386#endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
 387
 388/* pre fw run operations */
 389int hda_dsp_pre_fw_run(struct snd_sof_dev *sdev)
 390{
 391	/* disable clock gating and power gating */
 392	return hda_dsp_ctrl_clock_power_gating(sdev, false);
 393}
 394
 395/* post fw run operations */
 396int hda_dsp_post_fw_run(struct snd_sof_dev *sdev)
 397{
 398	int ret;
 399
 400	if (sdev->first_boot) {
 401		struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
 402
 403		ret = hda_sdw_startup(sdev);
 404		if (ret < 0) {
 405			dev_err(sdev->dev,
 406				"error: could not startup SoundWire links\n");
 407			return ret;
 408		}
 409
 410		/* Check if IMR boot is usable */
 411		if (!sof_debug_check_flag(SOF_DBG_IGNORE_D3_PERSISTENT) &&
 412		    (sdev->fw_ready.flags & SOF_IPC_INFO_D3_PERSISTENT ||
 413		     sdev->pdata->ipc_type == SOF_IPC_TYPE_4)) {
 414			hdev->imrboot_supported = true;
 415			debugfs_create_bool("skip_imr_boot",
 416					    0644, sdev->debugfs_root,
 417					    &hdev->skip_imr_boot);
 418		}
 419	}
 420
 421	hda_sdw_int_enable(sdev, true);
 422
 423	/* re-enable clock gating and power gating */
 424	return hda_dsp_ctrl_clock_power_gating(sdev, true);
 425}
 426EXPORT_SYMBOL_NS(hda_dsp_post_fw_run, "SND_SOC_SOF_INTEL_HDA_GENERIC");
 427
 428/*
 429 * Debug
 430 */
 431
 
 
 
 
 
 432#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
 433static bool hda_use_msi = true;
 434module_param_named(use_msi, hda_use_msi, bool, 0444);
 435MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
 436#else
 437#define hda_use_msi	(1)
 438#endif
 439
 
 
 
 
 440static char *hda_model;
 441module_param(hda_model, charp, 0444);
 442MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
 443
 444static int dmic_num_override = -1;
 445module_param_named(dmic_num, dmic_num_override, int, 0444);
 446MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
 447
 448static int mclk_id_override = -1;
 449module_param_named(mclk_id, mclk_id_override, int, 0444);
 450MODULE_PARM_DESC(mclk_id, "SOF SSP mclk_id");
 451
 452static int bt_link_mask_override;
 453module_param_named(bt_link_mask, bt_link_mask_override, int, 0444);
 454MODULE_PARM_DESC(bt_link_mask, "SOF BT offload link mask");
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 455
 456static int hda_init(struct snd_sof_dev *sdev)
 457{
 458	struct hda_bus *hbus;
 459	struct hdac_bus *bus;
 460	struct pci_dev *pci = to_pci_dev(sdev->dev);
 461	int ret;
 462
 463	hbus = sof_to_hbus(sdev);
 464	bus = sof_to_bus(sdev);
 465
 466	/* HDA bus init */
 467	sof_hda_bus_init(sdev, &pci->dev);
 468
 469	if (sof_hda_position_quirk == SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS)
 470		bus->use_posbuf = 0;
 471	else
 472		bus->use_posbuf = 1;
 473	bus->bdl_pos_adj = 0;
 474	bus->sync_write = 1;
 475
 476	mutex_init(&hbus->prepare_mutex);
 477	hbus->pci = pci;
 478	hbus->mixer_assigned = -1;
 479	hbus->modelname = hda_model;
 480
 481	/* initialise hdac bus */
 482	bus->addr = pci_resource_start(pci, 0);
 483	bus->remap_addr = pci_ioremap_bar(pci, 0);
 484	if (!bus->remap_addr) {
 485		dev_err(bus->dev, "error: ioremap error\n");
 486		return -ENXIO;
 487	}
 488
 489	/* HDA base */
 490	sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
 491
 492	/* init i915 and HDMI codecs */
 493	ret = hda_codec_i915_init(sdev);
 494	if (ret < 0 && ret != -ENODEV) {
 495		dev_err_probe(sdev->dev, ret, "init of i915 and HDMI codec failed\n");
 496		goto out;
 497	}
 498
 499	/* get controller capabilities */
 500	ret = hda_dsp_ctrl_get_caps(sdev);
 501	if (ret < 0) {
 502		dev_err(sdev->dev, "error: get caps error\n");
 503		hda_codec_i915_exit(sdev);
 504	}
 505
 506out:
 507	if (ret < 0)
 508		iounmap(sof_to_bus(sdev)->remap_addr);
 509
 510	return ret;
 511}
 512
 513static int check_dmic_num(struct snd_sof_dev *sdev)
 514{
 515	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
 516	struct nhlt_acpi_table *nhlt;
 517	int dmic_num = 0;
 518
 519	nhlt = hdev->nhlt;
 520	if (nhlt)
 521		dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
 522
 523	dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num);
 524
 525	/* allow for module parameter override */
 526	if (dmic_num_override != -1) {
 527		dev_dbg(sdev->dev,
 528			"overriding DMICs detected in NHLT tables %d by kernel param %d\n",
 529			dmic_num, dmic_num_override);
 530		dmic_num = dmic_num_override;
 531	}
 532
 533	if (dmic_num < 0 || dmic_num > 4) {
 534		dev_dbg(sdev->dev, "invalid dmic_number %d\n", dmic_num);
 535		dmic_num = 0;
 536	}
 537
 538	return dmic_num;
 539}
 540
 541static int check_nhlt_ssp_mask(struct snd_sof_dev *sdev, u8 device_type)
 542{
 543	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
 544	struct nhlt_acpi_table *nhlt;
 545	int ssp_mask = 0;
 546
 547	nhlt = hdev->nhlt;
 548	if (!nhlt)
 549		return ssp_mask;
 550
 551	if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_SSP)) {
 552		ssp_mask = intel_nhlt_ssp_endpoint_mask(nhlt, device_type);
 553		if (ssp_mask)
 554			dev_info(sdev->dev, "NHLT device %s(%d) detected, ssp_mask %#x\n",
 555				 device_type == NHLT_DEVICE_BT ? "BT" : "I2S",
 556				 device_type, ssp_mask);
 557	}
 558
 559	return ssp_mask;
 560}
 561
 562static int check_nhlt_ssp_mclk_mask(struct snd_sof_dev *sdev, int ssp_num)
 563{
 564	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
 565	struct nhlt_acpi_table *nhlt;
 566
 567	nhlt = hdev->nhlt;
 568	if (!nhlt)
 569		return 0;
 570
 571	return intel_nhlt_ssp_mclk_mask(nhlt, ssp_num);
 572}
 573
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 574static int hda_init_caps(struct snd_sof_dev *sdev)
 575{
 576	u32 interface_mask = hda_get_interface_mask(sdev);
 577	struct hdac_bus *bus = sof_to_bus(sdev);
 578	struct snd_sof_pdata *pdata = sdev->pdata;
 579	struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
 580	u32 link_mask;
 581	int ret = 0;
 582
 583	/* check if dsp is there */
 584	if (bus->ppcap)
 585		dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
 586
 587	/* Init HDA controller after i915 init */
 588	ret = hda_dsp_ctrl_init_chip(sdev);
 589	if (ret < 0) {
 590		dev_err(bus->dev, "error: init chip failed with ret: %d\n",
 591			ret);
 592		return ret;
 593	}
 594
 595	hda_bus_ml_init(bus);
 596
 597	/* Skip SoundWire if it is not supported */
 598	if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
 599		goto skip_soundwire;
 600
 601	/* scan SoundWire capabilities exposed by DSDT */
 602	ret = hda_sdw_acpi_scan(sdev);
 603	if (ret < 0) {
 604		dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n");
 605		goto skip_soundwire;
 606	}
 607
 608	link_mask = hdev->info.link_mask;
 609	if (!link_mask) {
 610		dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
 611		goto skip_soundwire;
 612	}
 613
 614	/*
 615	 * probe/allocate SoundWire resources.
 616	 * The hardware configuration takes place in hda_sdw_startup
 617	 * after power rails are enabled.
 618	 * It's entirely possible to have a mix of I2S/DMIC/SoundWire
 619	 * devices, so we allocate the resources in all cases.
 620	 */
 621	ret = hda_sdw_probe(sdev);
 622	if (ret < 0) {
 623		dev_err(sdev->dev, "error: SoundWire probe error\n");
 624		return ret;
 625	}
 626
 627skip_soundwire:
 628
 629	/* create codec instances */
 630	hda_codec_probe_bus(sdev);
 631
 632	if (!HDA_IDISP_CODEC(bus->codec_mask))
 633		hda_codec_i915_display_power(sdev, false);
 634
 635	hda_bus_ml_put_all(bus);
 636
 637	return 0;
 638}
 639
 640static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
 641{
 642	struct snd_sof_dev *sdev = context;
 643
 644	/*
 645	 * Get global interrupt status. It includes all hardware interrupt
 646	 * sources in the Intel HD Audio controller.
 647	 */
 648	if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
 649	    SOF_HDA_INTSTS_GIS) {
 650
 651		/* disable GIE interrupt */
 652		snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
 653					SOF_HDA_INTCTL,
 654					SOF_HDA_INT_GLOBAL_EN,
 655					0);
 656
 657		return IRQ_WAKE_THREAD;
 658	}
 659
 660	return IRQ_NONE;
 661}
 662
 663static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
 664{
 665	struct snd_sof_dev *sdev = context;
 666	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
 667
 668	/* deal with streams and controller first */
 669	if (hda_dsp_check_stream_irq(sdev)) {
 670		trace_sof_intel_hda_irq(sdev, "stream");
 671		hda_dsp_stream_threaded_handler(irq, sdev);
 672	}
 673
 674	if (hda_check_ipc_irq(sdev)) {
 675		trace_sof_intel_hda_irq(sdev, "ipc");
 676		sof_ops(sdev)->irq_thread(irq, sdev);
 677	}
 678
 679	if (hda_dsp_check_sdw_irq(sdev)) {
 680		trace_sof_intel_hda_irq(sdev, "sdw");
 681		hda_dsp_sdw_thread(irq, hdev->sdw);
 682	}
 683
 684	if (hda_sdw_check_wakeen_irq(sdev)) {
 685		trace_sof_intel_hda_irq(sdev, "wakeen");
 686		hda_sdw_process_wakeen(sdev);
 687	}
 688
 689	hda_codec_check_for_state_change(sdev);
 690
 691	/* enable GIE interrupt */
 692	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
 693				SOF_HDA_INTCTL,
 694				SOF_HDA_INT_GLOBAL_EN,
 695				SOF_HDA_INT_GLOBAL_EN);
 696
 697	return IRQ_HANDLED;
 698}
 699
 700int hda_dsp_probe_early(struct snd_sof_dev *sdev)
 701{
 702	struct pci_dev *pci = to_pci_dev(sdev->dev);
 703	struct sof_intel_hda_dev *hdev;
 704	const struct sof_intel_dsp_desc *chip;
 705	int ret = 0;
 706
 707	if (!sdev->dspless_mode_selected) {
 708		/*
 709		 * detect DSP by checking class/subclass/prog-id information
 710		 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
 711		 * class=04 subclass 01 prog-if 00: DSP is present
 712		 *   (and may be required e.g. for DMIC or SSP support)
 713		 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
 714		 */
 715		if (pci->class == 0x040300) {
 716			dev_err(sdev->dev, "the DSP is not enabled on this platform, aborting probe\n");
 717			return -ENODEV;
 718		} else if (pci->class != 0x040100 && pci->class != 0x040380) {
 719			dev_err(sdev->dev, "unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n",
 720				pci->class);
 721			return -ENODEV;
 722		}
 723		dev_info_once(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n",
 724			      pci->class);
 725	}
 726
 727	chip = get_chip_info(sdev->pdata);
 728	if (!chip) {
 729		dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
 730			pci->device);
 731		ret = -EIO;
 732		goto err;
 733	}
 734
 735	sdev->num_cores = chip->cores_num;
 736
 737	hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
 738	if (!hdev)
 739		return -ENOMEM;
 740	sdev->pdata->hw_pdata = hdev;
 741	hdev->desc = chip;
 742	ret = hda_init(sdev);
 743
 744err:
 745	return ret;
 746}
 747EXPORT_SYMBOL_NS(hda_dsp_probe_early, "SND_SOC_SOF_INTEL_HDA_GENERIC");
 748
 749int hda_dsp_probe(struct snd_sof_dev *sdev)
 750{
 751	struct pci_dev *pci = to_pci_dev(sdev->dev);
 752	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
 753	const struct sof_intel_dsp_desc *chip;
 754	int ret = 0;
 755
 756	hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
 757						       PLATFORM_DEVID_NONE,
 758						       NULL, 0);
 759	if (IS_ERR(hdev->dmic_dev)) {
 760		dev_err(sdev->dev, "error: failed to create DMIC device\n");
 761		return PTR_ERR(hdev->dmic_dev);
 762	}
 763
 764	/*
 765	 * use position update IPC if either it is forced
 766	 * or we don't have other choice
 767	 */
 768#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
 769	hdev->no_ipc_position = 0;
 770#else
 771	hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
 772#endif
 773
 774	if (sdev->dspless_mode_selected)
 775		hdev->no_ipc_position = 1;
 776
 777	if (sdev->dspless_mode_selected)
 778		goto skip_dsp_setup;
 779
 780	/* DSP base */
 781	sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
 782	if (!sdev->bar[HDA_DSP_BAR]) {
 783		dev_err(sdev->dev, "error: ioremap error\n");
 784		ret = -ENXIO;
 785		goto hdac_bus_unmap;
 786	}
 787
 788	sdev->mmio_bar = HDA_DSP_BAR;
 789	sdev->mailbox_bar = HDA_DSP_BAR;
 790skip_dsp_setup:
 791
 792	/* allow 64bit DMA address if supported by H/W */
 793	if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) {
 794		dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
 795		dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32));
 796	}
 797	dma_set_max_seg_size(&pci->dev, UINT_MAX);
 798
 799	/* init streams */
 800	ret = hda_dsp_stream_init(sdev);
 801	if (ret < 0) {
 802		dev_err(sdev->dev, "error: failed to init streams\n");
 803		/*
 804		 * not all errors are due to memory issues, but trying
 805		 * to free everything does not harm
 806		 */
 807		goto free_streams;
 808	}
 809
 810	/*
 811	 * register our IRQ
 812	 * let's try to enable msi firstly
 813	 * if it fails, use legacy interrupt mode
 814	 * TODO: support msi multiple vectors
 815	 */
 816	if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
 817		dev_info(sdev->dev, "use msi interrupt mode\n");
 818		sdev->ipc_irq = pci_irq_vector(pci, 0);
 819		/* initialised to "false" by kzalloc() */
 820		sdev->msi_enabled = true;
 821	}
 822
 823	if (!sdev->msi_enabled) {
 824		dev_info(sdev->dev, "use legacy interrupt mode\n");
 825		/*
 826		 * in IO-APIC mode, hda->irq and ipc_irq are using the same
 827		 * irq number of pci->irq
 828		 */
 829		sdev->ipc_irq = pci->irq;
 830	}
 831
 832	dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
 833	ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
 834				   hda_dsp_interrupt_thread,
 835				   IRQF_SHARED, "AudioDSP", sdev);
 836	if (ret < 0) {
 837		dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
 838			sdev->ipc_irq);
 839		goto free_irq_vector;
 840	}
 841
 842	pci_set_master(pci);
 843	synchronize_irq(pci->irq);
 844
 845	/*
 846	 * clear TCSEL to clear playback on some HD Audio
 847	 * codecs. PCI TCSEL is defined in the Intel manuals.
 848	 */
 849	snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
 850
 851	/* init HDA capabilities */
 852	ret = hda_init_caps(sdev);
 853	if (ret < 0)
 854		goto free_ipc_irq;
 855
 856	if (!sdev->dspless_mode_selected) {
 857		/* enable ppcap interrupt */
 858		hda_dsp_ctrl_ppcap_enable(sdev, true);
 859		hda_dsp_ctrl_ppcap_int_enable(sdev, true);
 860
 861		/* set default mailbox offset for FW ready message */
 862		sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
 863
 864		INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work);
 865	}
 866
 867	chip = get_chip_info(sdev->pdata);
 868	if (chip && chip->hw_ip_version >= SOF_INTEL_ACE_2_0) {
 869		ret = hda_sdw_startup(sdev);
 870		if (ret < 0) {
 871			dev_err(sdev->dev, "could not startup SoundWire links\n");
 872			goto disable_pp_cap;
 873		}
 874	}
 875
 876	init_waitqueue_head(&hdev->waitq);
 877
 878	hdev->nhlt = intel_nhlt_init(sdev->dev);
 879
 880	return 0;
 881
 882disable_pp_cap:
 883	if (!sdev->dspless_mode_selected) {
 884		hda_dsp_ctrl_ppcap_int_enable(sdev, false);
 885		hda_dsp_ctrl_ppcap_enable(sdev, false);
 886	}
 887free_ipc_irq:
 888	free_irq(sdev->ipc_irq, sdev);
 889free_irq_vector:
 890	if (sdev->msi_enabled)
 891		pci_free_irq_vectors(pci);
 892free_streams:
 893	hda_dsp_stream_free(sdev);
 894/* dsp_unmap: not currently used */
 895	if (!sdev->dspless_mode_selected)
 896		iounmap(sdev->bar[HDA_DSP_BAR]);
 897hdac_bus_unmap:
 898	platform_device_unregister(hdev->dmic_dev);
 899
 900	return ret;
 901}
 902EXPORT_SYMBOL_NS(hda_dsp_probe, "SND_SOC_SOF_INTEL_HDA_GENERIC");
 903
 904void hda_dsp_remove(struct snd_sof_dev *sdev)
 905{
 906	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
 907	const struct sof_intel_dsp_desc *chip = hda->desc;
 908	struct pci_dev *pci = to_pci_dev(sdev->dev);
 909	struct nhlt_acpi_table *nhlt = hda->nhlt;
 910
 911	if (nhlt)
 912		intel_nhlt_free(nhlt);
 913
 914	if (!sdev->dspless_mode_selected)
 915		/* cancel any attempt for DSP D0I3 */
 916		cancel_delayed_work_sync(&hda->d0i3_work);
 917
 918	hda_codec_device_remove(sdev);
 919
 920	hda_sdw_exit(sdev);
 921
 922	if (!IS_ERR_OR_NULL(hda->dmic_dev))
 923		platform_device_unregister(hda->dmic_dev);
 924
 925	if (!sdev->dspless_mode_selected) {
 926		/* disable DSP IRQ */
 927		hda_dsp_ctrl_ppcap_int_enable(sdev, false);
 928	}
 929
 930	/* disable CIE and GIE interrupts */
 931	snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
 932				SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
 933
 934	if (sdev->dspless_mode_selected)
 935		goto skip_disable_dsp;
 936
 937	/* no need to check for error as the DSP will be disabled anyway */
 938	if (chip && chip->power_down_dsp)
 939		chip->power_down_dsp(sdev);
 940
 941	/* disable DSP */
 942	hda_dsp_ctrl_ppcap_enable(sdev, false);
 943
 944	/* Free the persistent DMA buffers used for base firmware download */
 945	if (hda->cl_dmab.area)
 946		snd_dma_free_pages(&hda->cl_dmab);
 947	if (hda->iccmax_dmab.area)
 948		snd_dma_free_pages(&hda->iccmax_dmab);
 949
 950skip_disable_dsp:
 951	free_irq(sdev->ipc_irq, sdev);
 952	if (sdev->msi_enabled)
 953		pci_free_irq_vectors(pci);
 954
 955	hda_dsp_stream_free(sdev);
 956
 957	hda_bus_ml_free(sof_to_bus(sdev));
 958
 959	if (!sdev->dspless_mode_selected)
 960		iounmap(sdev->bar[HDA_DSP_BAR]);
 961}
 962EXPORT_SYMBOL_NS(hda_dsp_remove, "SND_SOC_SOF_INTEL_HDA_GENERIC");
 963
 964void hda_dsp_remove_late(struct snd_sof_dev *sdev)
 965{
 966	iounmap(sof_to_bus(sdev)->remap_addr);
 967	sof_hda_bus_exit(sdev);
 968	hda_codec_i915_exit(sdev);
 969}
 970
 971int hda_power_down_dsp(struct snd_sof_dev *sdev)
 972{
 973	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
 974	const struct sof_intel_dsp_desc *chip = hda->desc;
 975
 976	return hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask);
 977}
 978EXPORT_SYMBOL_NS(hda_power_down_dsp, "SND_SOC_SOF_INTEL_HDA_GENERIC");
 979
 980#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
 981static void hda_generic_machine_select(struct snd_sof_dev *sdev,
 982				       struct snd_soc_acpi_mach **mach)
 983{
 984	struct hdac_bus *bus = sof_to_bus(sdev);
 985	struct snd_soc_acpi_mach_params *mach_params;
 986	struct snd_soc_acpi_mach *hda_mach;
 987	struct snd_sof_pdata *pdata = sdev->pdata;
 988	const char *tplg_filename;
 
 
 989	int codec_num = 0;
 
 990	int i;
 991
 992	/* codec detection */
 993	if (!bus->codec_mask) {
 994		dev_info(bus->dev, "no hda codecs found!\n");
 995	} else {
 996		dev_info(bus->dev, "hda codecs found, mask %lx\n",
 997			 bus->codec_mask);
 998
 999		for (i = 0; i < HDA_MAX_CODECS; i++) {
1000			if (bus->codec_mask & (1 << i))
1001				codec_num++;
1002		}
1003
1004		/*
1005		 * If no machine driver is found, then:
1006		 *
1007		 * generic hda machine driver can handle:
1008		 *  - one HDMI codec, and/or
1009		 *  - one external HDAudio codec
1010		 */
1011		if (!*mach && codec_num <= 2) {
1012			bool tplg_fixup = false;
1013
1014			hda_mach = snd_soc_acpi_intel_hda_machines;
1015
1016			dev_info(bus->dev, "using HDA machine driver %s now\n",
1017				 hda_mach->drv_name);
1018
1019			/*
1020			 * topology: use the info from hda_machines since tplg file name
1021			 * is not overwritten
1022			 */
1023			if (!pdata->tplg_filename)
 
 
 
 
 
1024				tplg_fixup = true;
 
 
 
 
 
 
1025
1026			if (tplg_fixup &&
1027			    codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask)) {
1028				tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1029							       "%s-idisp",
1030							       hda_mach->sof_tplg_filename);
1031				if (!tplg_filename)
1032					return;
1033
1034				hda_mach->sof_tplg_filename = tplg_filename;
1035			}
1036
1037			if (codec_num == 2 ||
1038			    (codec_num == 1 && !HDA_IDISP_CODEC(bus->codec_mask))) {
1039				/*
1040				 * Prevent SoundWire links from starting when an external
1041				 * HDaudio codec is used
1042				 */
1043				hda_mach->mach_params.link_mask = 0;
1044			} else {
1045				/*
1046				 * Allow SoundWire links to start when no external HDaudio codec
1047				 * was detected. This will not create a SoundWire card but
1048				 * will help detect if any SoundWire codec reports as ATTACHED.
1049				 */
1050				struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
1051
1052				hda_mach->mach_params.link_mask = hdev->info.link_mask;
1053			}
1054
1055			*mach = hda_mach;
1056		}
1057	}
1058
1059	/* used by hda machine driver to create dai links */
1060	if (*mach) {
1061		mach_params = &(*mach)->mach_params;
1062		mach_params->codec_mask = bus->codec_mask;
 
1063	}
1064}
1065#else
1066static void hda_generic_machine_select(struct snd_sof_dev *sdev,
1067				       struct snd_soc_acpi_mach **mach)
1068{
1069}
1070#endif
1071
1072#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
1073
1074static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1075{
1076	struct snd_sof_pdata *pdata = sdev->pdata;
1077	const struct snd_soc_acpi_link_adr *link;
1078	struct sdw_peripherals *peripherals;
1079	struct snd_soc_acpi_mach *mach;
1080	struct sof_intel_hda_dev *hdev;
1081	u32 link_mask;
1082	int i;
1083
1084	hdev = pdata->hw_pdata;
1085	link_mask = hdev->info.link_mask;
1086
1087	if (!link_mask) {
1088		dev_info(sdev->dev, "SoundWire links not enabled\n");
1089		return NULL;
1090	}
1091
1092	if (!hdev->sdw) {
1093		dev_dbg(sdev->dev, "SoundWire context not allocated\n");
1094		return NULL;
1095	}
1096
1097	if (!hdev->sdw->peripherals || !hdev->sdw->peripherals->num_peripherals) {
1098		dev_warn(sdev->dev, "No SoundWire peripheral detected in ACPI tables\n");
1099		return NULL;
1100	}
1101
1102	/*
1103	 * Select SoundWire machine driver if needed using the
1104	 * alternate tables. This case deals with SoundWire-only
1105	 * machines, for mixed cases with I2C/I2S the detection relies
1106	 * on the HID list.
1107	 */
1108	for (mach = pdata->desc->alt_machines;
1109	     mach && mach->link_mask; mach++) {
1110		/*
1111		 * On some platforms such as Up Extreme all links
1112		 * are enabled but only one link can be used by
1113		 * external codec. Instead of exact match of two masks,
1114		 * first check whether link_mask of mach is subset of
1115		 * link_mask supported by hw and then go on searching
1116		 * link_adr
1117		 */
1118		if (~link_mask & mach->link_mask)
1119			continue;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1120
1121		/* No need to match adr if there is no links defined */
1122		if (!mach->links)
1123			break;
1124
1125		link = mach->links;
1126		for (i = 0; i < hdev->info.count && link->num_adr;
1127		     i++, link++) {
1128			/*
1129			 * Try next machine if any expected Slaves
1130			 * are not found on this link.
 
 
 
1131			 */
1132			if (!snd_soc_acpi_sdw_link_slaves_found(sdev->dev, link,
1133								hdev->sdw->peripherals))
1134				break;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1135		}
1136		/* Found if all Slaves are checked */
1137		if (i == hdev->info.count || !link->num_adr)
1138			if (!mach->machine_check || mach->machine_check(hdev->sdw))
1139				break;
1140	}
1141	if (mach && mach->link_mask) {
1142		mach->mach_params.links = mach->links;
1143		mach->mach_params.link_mask = mach->link_mask;
1144		mach->mach_params.platform = dev_name(sdev->dev);
1145
1146		return mach;
1147	}
1148
1149	dev_info(sdev->dev, "No SoundWire machine driver found for the ACPI-reported configuration:\n");
1150	peripherals = hdev->sdw->peripherals;
1151	for (i = 0; i < peripherals->num_peripherals; i++)
1152		dev_info(sdev->dev, "link %d mfg_id 0x%04x part_id 0x%04x version %#x\n",
1153			 peripherals->array[i]->bus->link_id,
1154			 peripherals->array[i]->id.mfg_id,
1155			 peripherals->array[i]->id.part_id,
1156			 peripherals->array[i]->id.sdw_version);
1157
1158	return NULL;
1159}
1160#else
1161static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1162{
1163	return NULL;
1164}
1165#endif
1166
1167void hda_set_mach_params(struct snd_soc_acpi_mach *mach,
1168			 struct snd_sof_dev *sdev)
1169{
1170	struct snd_sof_pdata *pdata = sdev->pdata;
1171	const struct sof_dev_desc *desc = pdata->desc;
1172	struct snd_soc_acpi_mach_params *mach_params;
1173
1174	mach_params = &mach->mach_params;
1175	mach_params->platform = dev_name(sdev->dev);
1176	if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) &&
1177	    sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC))
1178		mach_params->num_dai_drivers = SOF_SKL_NUM_DAIS_NOCODEC;
1179	else
1180		mach_params->num_dai_drivers = desc->ops->num_drv;
1181	mach_params->dai_drivers = desc->ops->drv;
1182}
1183
1184static int check_tplg_quirk_mask(struct snd_soc_acpi_mach *mach)
1185{
1186	u32 dmic_ssp_quirk;
1187	u32 codec_amp_name_quirk;
1188
1189	/*
1190	 * In current implementation dmic and ssp quirks are designed for es8336
1191	 * machine driver and could not be mixed with codec name and amp name
1192	 * quirks.
1193	 */
1194	dmic_ssp_quirk = mach->tplg_quirk_mask &
1195			 (SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER | SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER);
1196	codec_amp_name_quirk = mach->tplg_quirk_mask &
1197			 (SND_SOC_ACPI_TPLG_INTEL_AMP_NAME | SND_SOC_ACPI_TPLG_INTEL_CODEC_NAME);
1198
1199	if (dmic_ssp_quirk && codec_amp_name_quirk)
1200		return -EINVAL;
1201
1202	return 0;
1203}
1204
1205static char *remove_file_ext(const char *tplg_filename)
1206{
1207	char *filename, *tmp;
1208
1209	filename = kstrdup(tplg_filename, GFP_KERNEL);
1210	if (!filename)
1211		return NULL;
1212
1213	/* remove file extension if exist */
1214	tmp = filename;
1215	return strsep(&tmp, ".");
1216}
1217
1218struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev)
1219{
1220	u32 interface_mask = hda_get_interface_mask(sdev);
1221	struct snd_sof_pdata *sof_pdata = sdev->pdata;
1222	const struct sof_dev_desc *desc = sof_pdata->desc;
1223	struct hdac_bus *bus = sof_to_bus(sdev);
1224	struct snd_soc_acpi_mach *mach = NULL;
1225	enum snd_soc_acpi_intel_codec codec_type, amp_type;
1226	const char *tplg_filename;
1227	const char *tplg_suffix;
1228	bool amp_name_valid;
1229	bool i2s_mach_found = false;
1230	bool sdw_mach_found = false;
1231
1232	/* Try I2S or DMIC if it is supported */
1233	if (interface_mask & (BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC))) {
1234		mach = snd_soc_acpi_find_machine(desc->machines);
1235		if (mach)
1236			i2s_mach_found = true;
1237	}
1238
1239	/*
1240	 * If I2S fails and no external HDaudio codec is detected,
1241	 * try SoundWire if it is supported
1242	 */
1243	if (!mach && !HDA_EXT_CODEC(bus->codec_mask) &&
1244	    (interface_mask & BIT(SOF_DAI_INTEL_ALH))) {
1245		mach = hda_sdw_machine_select(sdev);
1246		if (mach)
1247			sdw_mach_found = true;
1248	}
1249
1250	/*
1251	 * Choose HDA generic machine driver if mach is NULL.
1252	 * Otherwise, set certain mach params.
1253	 */
1254	hda_generic_machine_select(sdev, &mach);
1255	if (!mach) {
1256		dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
1257		return NULL;
1258	}
1259
1260	/* report BT offload link mask to machine driver */
1261	mach->mach_params.bt_link_mask = check_nhlt_ssp_mask(sdev, NHLT_DEVICE_BT);
1262
1263	dev_info(sdev->dev, "BT link detected in NHLT tables: %#x\n",
1264		 mach->mach_params.bt_link_mask);
1265
1266	/* allow for module parameter override */
1267	if (bt_link_mask_override) {
1268		dev_dbg(sdev->dev, "overriding BT link detected in NHLT tables %#x by kernel param %#x\n",
1269			mach->mach_params.bt_link_mask, bt_link_mask_override);
1270		mach->mach_params.bt_link_mask = bt_link_mask_override;
1271	}
1272
1273	if (hweight_long(mach->mach_params.bt_link_mask) > 1) {
1274		dev_warn(sdev->dev, "invalid BT link mask %#x found, reset the mask\n",
1275			mach->mach_params.bt_link_mask);
1276		mach->mach_params.bt_link_mask = 0;
1277	}
1278
1279	/*
1280	 * Fixup tplg file name by appending dmic num, ssp num, codec/amplifier
1281	 * name string if quirk flag is set.
1282	 */
1283	if (mach) {
 
1284		bool tplg_fixup = false;
1285		bool dmic_fixup = false;
1286
1287		/*
1288		 * If tplg file name is overridden, use it instead of
1289		 * the one set in mach table
1290		 */
1291		if (!sof_pdata->tplg_filename) {
1292			/* remove file extension if it exists */
1293			tplg_filename = remove_file_ext(mach->sof_tplg_filename);
1294			if (!tplg_filename)
1295				return NULL;
1296
1297			sof_pdata->tplg_filename = tplg_filename;
1298			tplg_fixup = true;
1299		}
1300
1301		/*
1302		 * Checking quirk mask integrity; some quirk flags could not be
1303		 * set concurrently.
1304		 */
1305		if (tplg_fixup &&
1306		    check_tplg_quirk_mask(mach)) {
1307			dev_err(sdev->dev, "Invalid tplg quirk mask 0x%x\n",
1308				mach->tplg_quirk_mask);
1309			return NULL;
1310		}
1311
1312		/* report to machine driver if any DMICs are found */
1313		mach->mach_params.dmic_num = check_dmic_num(sdev);
1314
1315		if (sdw_mach_found) {
1316			/*
1317			 * DMICs use up to 4 pins and are typically pin-muxed with SoundWire
1318			 * link 2 and 3, or link 1 and 2, thus we only try to enable dmics
1319			 * if all conditions are true:
1320			 * a) 2 or fewer links are used by SoundWire
1321			 * b) the NHLT table reports the presence of microphones
1322			 */
1323			if (hweight_long(mach->link_mask) <= 2)
1324				dmic_fixup = true;
1325			else
1326				mach->mach_params.dmic_num = 0;
1327		} else {
1328			if (mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER)
1329				dmic_fixup = true;
1330		}
1331
1332		if (tplg_fixup &&
1333		    dmic_fixup &&
1334		    mach->mach_params.dmic_num) {
1335			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1336						       "%s%s%d%s",
1337						       sof_pdata->tplg_filename,
1338						       i2s_mach_found ? "-dmic" : "-",
1339						       mach->mach_params.dmic_num,
1340						       "ch");
1341			if (!tplg_filename)
1342				return NULL;
1343
1344			sof_pdata->tplg_filename = tplg_filename;
 
1345		}
1346
1347		if (mach->link_mask) {
1348			mach->mach_params.links = mach->links;
1349			mach->mach_params.link_mask = mach->link_mask;
1350		}
1351
1352		/* report SSP link mask to machine driver */
1353		mach->mach_params.i2s_link_mask = check_nhlt_ssp_mask(sdev, NHLT_DEVICE_I2S);
1354
1355		if (tplg_fixup &&
1356		    mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER &&
1357		    mach->mach_params.i2s_link_mask) {
1358			const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
1359			int ssp_num;
1360			int mclk_mask;
1361
1362			if (hweight_long(mach->mach_params.i2s_link_mask) > 1 &&
1363			    !(mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_MSB))
1364				dev_warn(sdev->dev, "More than one SSP exposed by NHLT, choosing MSB\n");
1365
1366			/* fls returns 1-based results, SSPs indices are 0-based */
1367			ssp_num = fls(mach->mach_params.i2s_link_mask) - 1;
1368
1369			if (ssp_num >= chip->ssp_count) {
1370				dev_err(sdev->dev, "Invalid SSP %d, max on this platform is %d\n",
1371					ssp_num, chip->ssp_count);
1372				return NULL;
1373			}
1374
1375			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1376						       "%s%s%d",
1377						       sof_pdata->tplg_filename,
1378						       "-ssp",
1379						       ssp_num);
1380			if (!tplg_filename)
1381				return NULL;
1382
1383			sof_pdata->tplg_filename = tplg_filename;
 
1384
1385			mclk_mask = check_nhlt_ssp_mclk_mask(sdev, ssp_num);
1386
1387			if (mclk_mask < 0) {
1388				dev_err(sdev->dev, "Invalid MCLK configuration\n");
1389				return NULL;
1390			}
1391
1392			dev_dbg(sdev->dev, "MCLK mask %#x found in NHLT\n", mclk_mask);
1393
1394			if (mclk_mask) {
1395				dev_info(sdev->dev, "Overriding topology with MCLK mask %#x from NHLT\n", mclk_mask);
1396				sdev->mclk_id_override = true;
1397				sdev->mclk_id_quirk = (mclk_mask & BIT(0)) ? 0 : 1;
1398			}
1399		}
1400
1401		amp_type = snd_soc_acpi_intel_detect_amp_type(sdev->dev);
1402		codec_type = snd_soc_acpi_intel_detect_codec_type(sdev->dev);
1403		amp_name_valid = amp_type != CODEC_NONE && amp_type != codec_type;
1404
1405		if (tplg_fixup && amp_name_valid &&
1406		    mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_AMP_NAME) {
1407			tplg_suffix = snd_soc_acpi_intel_get_amp_tplg_suffix(amp_type);
1408			if (!tplg_suffix) {
1409				dev_err(sdev->dev, "no tplg suffix found, amp %d\n",
1410					amp_type);
1411				return NULL;
1412			}
1413
1414			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1415						       "%s-%s",
1416						       sof_pdata->tplg_filename,
1417						       tplg_suffix);
1418			if (!tplg_filename)
1419				return NULL;
1420
1421			sof_pdata->tplg_filename = tplg_filename;
1422		}
1423
1424
1425		if (tplg_fixup &&
1426		    mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_CODEC_NAME &&
1427		    codec_type != CODEC_NONE) {
1428			tplg_suffix = snd_soc_acpi_intel_get_codec_tplg_suffix(codec_type);
1429			if (!tplg_suffix) {
1430				dev_err(sdev->dev, "no tplg suffix found, codec %d\n",
1431					codec_type);
1432				return NULL;
1433			}
1434
1435			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1436						       "%s-%s",
1437						       sof_pdata->tplg_filename,
1438						       tplg_suffix);
1439			if (!tplg_filename)
1440				return NULL;
1441
1442			sof_pdata->tplg_filename = tplg_filename;
1443		}
1444
1445		if (tplg_fixup) {
1446			tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1447						       "%s%s",
1448						       sof_pdata->tplg_filename,
1449						       ".tplg");
1450			if (!tplg_filename)
1451				return NULL;
1452
1453			sof_pdata->tplg_filename = tplg_filename;
1454		}
1455
1456		/* check if mclk_id should be modified from topology defaults */
1457		if (mclk_id_override >= 0) {
1458			dev_info(sdev->dev, "Overriding topology with MCLK %d from kernel_parameter\n", mclk_id_override);
1459			sdev->mclk_id_override = true;
1460			sdev->mclk_id_quirk = mclk_id_override;
1461		}
1462	}
1463
 
 
 
 
 
 
 
 
 
 
 
 
1464	return mach;
1465}
1466
1467int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1468{
1469	int ret;
1470
1471	ret = snd_intel_dsp_driver_probe(pci);
1472	if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
1473		dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n");
1474		return -ENODEV;
1475	}
1476
1477	return sof_pci_probe(pci, pci_id);
1478}
1479EXPORT_SYMBOL_NS(hda_pci_intel_probe, "SND_SOC_SOF_INTEL_HDA_GENERIC");
1480
1481int hda_register_clients(struct snd_sof_dev *sdev)
1482{
1483	return hda_probes_register(sdev);
1484}
1485
1486void hda_unregister_clients(struct snd_sof_dev *sdev)
1487{
1488	hda_probes_unregister(sdev);
1489}
1490
1491MODULE_LICENSE("Dual BSD/GPL");
1492MODULE_DESCRIPTION("SOF support for HDaudio platforms");
1493MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");
1494MODULE_IMPORT_NS("SND_SOC_SOF_HDA_AUDIO_CODEC");
1495MODULE_IMPORT_NS("SND_SOC_SOF_HDA_AUDIO_CODEC_I915");
1496MODULE_IMPORT_NS("SND_SOC_SOF_XTENSA");
1497MODULE_IMPORT_NS("SND_INTEL_SOUNDWIRE_ACPI");
1498MODULE_IMPORT_NS("SOUNDWIRE_INTEL_INIT");
1499MODULE_IMPORT_NS("SOUNDWIRE_INTEL");
1500MODULE_IMPORT_NS("SND_SOC_SOF_HDA_MLINK");
1501MODULE_IMPORT_NS("SND_SOC_SOF_INTEL_HDA_COMMON");
1502MODULE_IMPORT_NS("SND_SOC_ACPI_INTEL_MATCH");