linux/sound/soc/sof/intel/hda.c
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   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-nhlt.h>
  26#include <sound/sof.h>
  27#include <sound/sof/xtensa.h>
  28#include "../sof-audio.h"
  29#include "../ops.h"
  30#include "hda.h"
  31
  32#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
  33#include <sound/soc-acpi-intel-match.h>
  34#endif
  35
  36/* platform specific devices */
  37#include "shim.h"
  38
  39#define EXCEPT_MAX_HDR_SIZE     0x400
  40#define HDA_EXT_ROM_STATUS_SIZE 8
  41
  42#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
  43
  44/*
  45 * The default for SoundWire clock stop quirks is to power gate the IP
  46 * and do a Bus Reset, this will need to be modified when the DSP
  47 * needs to remain in D0i3 so that the Master does not lose context
  48 * and enumeration is not required on clock restart
  49 */
  50static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET;
  51module_param(sdw_clock_stop_quirks, int, 0444);
  52MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
  53
  54static int sdw_params_stream(struct device *dev,
  55                             struct sdw_intel_stream_params_data *params_data)
  56{
  57        struct snd_sof_dev *sdev = dev_get_drvdata(dev);
  58        struct snd_soc_dai *d = params_data->dai;
  59        struct sof_ipc_dai_config config;
  60        struct sof_ipc_reply reply;
  61        int link_id = params_data->link_id;
  62        int alh_stream_id = params_data->alh_stream_id;
  63        int ret;
  64        u32 size = sizeof(config);
  65
  66        memset(&config, 0, size);
  67        config.hdr.size = size;
  68        config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
  69        config.type = SOF_DAI_INTEL_ALH;
  70        config.dai_index = (link_id << 8) | (d->id);
  71        config.alh.stream_id = alh_stream_id;
  72
  73        /* send message to DSP */
  74        ret = sof_ipc_tx_message(sdev->ipc,
  75                                 config.hdr.cmd, &config, size, &reply,
  76                                 sizeof(reply));
  77        if (ret < 0) {
  78                dev_err(sdev->dev,
  79                        "error: failed to set DAI hw_params for link %d dai->id %d ALH %d\n",
  80                        link_id, d->id, alh_stream_id);
  81        }
  82
  83        return ret;
  84}
  85
  86static int sdw_free_stream(struct device *dev,
  87                           struct sdw_intel_stream_free_data *free_data)
  88{
  89        struct snd_sof_dev *sdev = dev_get_drvdata(dev);
  90        struct snd_soc_dai *d = free_data->dai;
  91        struct sof_ipc_dai_config config;
  92        struct sof_ipc_reply reply;
  93        int link_id = free_data->link_id;
  94        int ret;
  95        u32 size = sizeof(config);
  96
  97        memset(&config, 0, size);
  98        config.hdr.size = size;
  99        config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
 100        config.type = SOF_DAI_INTEL_ALH;
 101        config.dai_index = (link_id << 8) | d->id;
 102        config.alh.stream_id = 0xFFFF; /* invalid value on purpose */
 103
 104        /* send message to DSP */
 105        ret = sof_ipc_tx_message(sdev->ipc,
 106                                 config.hdr.cmd, &config, size, &reply,
 107                                 sizeof(reply));
 108        if (ret < 0) {
 109                dev_err(sdev->dev,
 110                        "error: failed to free stream for link %d dai->id %d\n",
 111                        link_id, d->id);
 112        }
 113
 114        return ret;
 115}
 116
 117static const struct sdw_intel_ops sdw_callback = {
 118        .params_stream = sdw_params_stream,
 119        .free_stream = sdw_free_stream,
 120};
 121
 122void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable)
 123{
 124        sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable);
 125}
 126
 127static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
 128{
 129        struct sof_intel_hda_dev *hdev;
 130        acpi_handle handle;
 131        int ret;
 132
 133        handle = ACPI_HANDLE(sdev->dev);
 134
 135        /* save ACPI info for the probe step */
 136        hdev = sdev->pdata->hw_pdata;
 137
 138        ret = sdw_intel_acpi_scan(handle, &hdev->info);
 139        if (ret < 0)
 140                return -EINVAL;
 141
 142        return 0;
 143}
 144
 145static int hda_sdw_probe(struct snd_sof_dev *sdev)
 146{
 147        struct sof_intel_hda_dev *hdev;
 148        struct sdw_intel_res res;
 149        void *sdw;
 150
 151        hdev = sdev->pdata->hw_pdata;
 152
 153        memset(&res, 0, sizeof(res));
 154
 155        res.mmio_base = sdev->bar[HDA_DSP_BAR];
 156        res.irq = sdev->ipc_irq;
 157        res.handle = hdev->info.handle;
 158        res.parent = sdev->dev;
 159        res.ops = &sdw_callback;
 160        res.dev = sdev->dev;
 161        res.clock_stop_quirks = sdw_clock_stop_quirks;
 162
 163        /*
 164         * ops and arg fields are not populated for now,
 165         * they will be needed when the DAI callbacks are
 166         * provided
 167         */
 168
 169        /* we could filter links here if needed, e.g for quirks */
 170        res.count = hdev->info.count;
 171        res.link_mask = hdev->info.link_mask;
 172
 173        sdw = sdw_intel_probe(&res);
 174        if (!sdw) {
 175                dev_err(sdev->dev, "error: SoundWire probe failed\n");
 176                return -EINVAL;
 177        }
 178
 179        /* save context */
 180        hdev->sdw = sdw;
 181
 182        return 0;
 183}
 184
 185int hda_sdw_startup(struct snd_sof_dev *sdev)
 186{
 187        struct sof_intel_hda_dev *hdev;
 188
 189        hdev = sdev->pdata->hw_pdata;
 190
 191        if (!hdev->sdw)
 192                return 0;
 193
 194        return sdw_intel_startup(hdev->sdw);
 195}
 196
 197static int hda_sdw_exit(struct snd_sof_dev *sdev)
 198{
 199        struct sof_intel_hda_dev *hdev;
 200
 201        hdev = sdev->pdata->hw_pdata;
 202
 203        hda_sdw_int_enable(sdev, false);
 204
 205        if (hdev->sdw)
 206                sdw_intel_exit(hdev->sdw);
 207        hdev->sdw = NULL;
 208
 209        return 0;
 210}
 211
 212static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
 213{
 214        struct sof_intel_hda_dev *hdev;
 215        bool ret = false;
 216        u32 irq_status;
 217
 218        hdev = sdev->pdata->hw_pdata;
 219
 220        if (!hdev->sdw)
 221                return ret;
 222
 223        /* store status */
 224        irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
 225
 226        /* invalid message ? */
 227        if (irq_status == 0xffffffff)
 228                goto out;
 229
 230        /* SDW message ? */
 231        if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
 232                ret = true;
 233
 234out:
 235        return ret;
 236}
 237
 238static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
 239{
 240        return sdw_intel_thread(irq, context);
 241}
 242
 243static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
 244{
 245        struct sof_intel_hda_dev *hdev;
 246
 247        hdev = sdev->pdata->hw_pdata;
 248        if (hdev->sdw &&
 249            snd_sof_dsp_read(sdev, HDA_DSP_BAR,
 250                             HDA_DSP_REG_SNDW_WAKE_STS))
 251                return true;
 252
 253        return false;
 254}
 255
 256void hda_sdw_process_wakeen(struct snd_sof_dev *sdev)
 257{
 258        struct sof_intel_hda_dev *hdev;
 259
 260        hdev = sdev->pdata->hw_pdata;
 261        if (!hdev->sdw)
 262                return;
 263
 264        sdw_intel_process_wakeen_event(hdev->sdw);
 265}
 266
 267#endif
 268
 269/*
 270 * Debug
 271 */
 272
 273struct hda_dsp_msg_code {
 274        u32 code;
 275        const char *msg;
 276};
 277
 278static bool hda_use_msi = IS_ENABLED(CONFIG_PCI);
 279#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
 280module_param_named(use_msi, hda_use_msi, bool, 0444);
 281MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
 282#endif
 283
 284static char *hda_model;
 285module_param(hda_model, charp, 0444);
 286MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
 287
 288#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 289static int hda_dmic_num = -1;
 290module_param_named(dmic_num, hda_dmic_num, int, 0444);
 291MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
 292
 293static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI);
 294module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444);
 295MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver");
 296#endif
 297
 298static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = {
 299        {HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"},
 300        {HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"},
 301        {HDA_DSP_ROM_FW_ENTERED, "status: fw entered"},
 302        {HDA_DSP_ROM_CSE_ERROR, "error: cse error"},
 303        {HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"},
 304        {HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"},
 305        {HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"},
 306        {HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"},
 307        {HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"},
 308        {HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"},
 309        {HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"},
 310        {HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"},
 311        {HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"},
 312        {HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"},
 313        {HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"},
 314        {HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"},
 315        {HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"},
 316        {HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"},
 317        {HDA_DSP_ROM_NULL_FW_ENTRY,     "error: null FW entry point"},
 318};
 319
 320static void hda_dsp_get_status_skl(struct snd_sof_dev *sdev)
 321{
 322        u32 status;
 323        int i;
 324
 325        status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
 326                                  HDA_ADSP_FW_STATUS_SKL);
 327
 328        for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) {
 329                if (status == hda_dsp_rom_msg[i].code) {
 330                        dev_err(sdev->dev, "%s - code %8.8x\n",
 331                                hda_dsp_rom_msg[i].msg, status);
 332                        return;
 333                }
 334        }
 335
 336        /* not for us, must be generic sof message */
 337        dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status);
 338}
 339
 340static void hda_dsp_get_status(struct snd_sof_dev *sdev)
 341{
 342        u32 status;
 343        int i;
 344
 345        status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
 346                                  HDA_DSP_SRAM_REG_ROM_STATUS);
 347
 348        for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) {
 349                if (status == hda_dsp_rom_msg[i].code) {
 350                        dev_err(sdev->dev, "%s - code %8.8x\n",
 351                                hda_dsp_rom_msg[i].msg, status);
 352                        return;
 353                }
 354        }
 355
 356        /* not for us, must be generic sof message */
 357        dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status);
 358}
 359
 360static void hda_dsp_get_registers(struct snd_sof_dev *sdev,
 361                                  struct sof_ipc_dsp_oops_xtensa *xoops,
 362                                  struct sof_ipc_panic_info *panic_info,
 363                                  u32 *stack, size_t stack_words)
 364{
 365        u32 offset = sdev->dsp_oops_offset;
 366
 367        /* first read registers */
 368        sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
 369
 370        /* note: variable AR register array is not read */
 371
 372        /* then get panic info */
 373        if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
 374                dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
 375                        xoops->arch_hdr.totalsize);
 376                return;
 377        }
 378        offset += xoops->arch_hdr.totalsize;
 379        sof_block_read(sdev, sdev->mmio_bar, offset,
 380                       panic_info, sizeof(*panic_info));
 381
 382        /* then get the stack */
 383        offset += sizeof(*panic_info);
 384        sof_block_read(sdev, sdev->mmio_bar, offset, stack,
 385                       stack_words * sizeof(u32));
 386}
 387
 388void hda_dsp_dump_skl(struct snd_sof_dev *sdev, u32 flags)
 389{
 390        struct sof_ipc_dsp_oops_xtensa xoops;
 391        struct sof_ipc_panic_info panic_info;
 392        u32 stack[HDA_DSP_STACK_DUMP_SIZE];
 393        u32 status, panic;
 394
 395        /* try APL specific status message types first */
 396        hda_dsp_get_status_skl(sdev);
 397
 398        /* now try generic SOF status messages */
 399        status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
 400                                  HDA_ADSP_ERROR_CODE_SKL);
 401
 402        /*TODO: Check: there is no define in spec, but it is used in the code*/
 403        panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
 404                                 HDA_ADSP_ERROR_CODE_SKL + 0x4);
 405
 406        if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) {
 407                hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
 408                                      HDA_DSP_STACK_DUMP_SIZE);
 409                snd_sof_get_status(sdev, status, panic, &xoops, &panic_info,
 410                                   stack, HDA_DSP_STACK_DUMP_SIZE);
 411        } else {
 412                dev_err(sdev->dev, "error: status = 0x%8.8x panic = 0x%8.8x\n",
 413                        status, panic);
 414                hda_dsp_get_status_skl(sdev);
 415        }
 416}
 417
 418/* dump the first 8 dwords representing the extended ROM status */
 419static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, u32 flags)
 420{
 421        char msg[128];
 422        int len = 0;
 423        u32 value;
 424        int i;
 425
 426        for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) {
 427                value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_ROM_STATUS + i * 0x4);
 428                len += snprintf(msg + len, sizeof(msg) - len, " 0x%x", value);
 429        }
 430
 431        sof_dev_dbg_or_err(sdev->dev, flags & SOF_DBG_DUMP_FORCE_ERR_LEVEL,
 432                           "extended rom status: %s", msg);
 433
 434}
 435
 436void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
 437{
 438        struct sof_ipc_dsp_oops_xtensa xoops;
 439        struct sof_ipc_panic_info panic_info;
 440        u32 stack[HDA_DSP_STACK_DUMP_SIZE];
 441        u32 status, panic;
 442
 443        /* try APL specific status message types first */
 444        hda_dsp_get_status(sdev);
 445
 446        /* now try generic SOF status messages */
 447        status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
 448                                  HDA_DSP_SRAM_REG_FW_STATUS);
 449        panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP);
 450
 451        if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) {
 452                hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
 453                                      HDA_DSP_STACK_DUMP_SIZE);
 454                snd_sof_get_status(sdev, status, panic, &xoops, &panic_info,
 455                                   stack, HDA_DSP_STACK_DUMP_SIZE);
 456        } else {
 457                sof_dev_dbg_or_err(sdev->dev, flags & SOF_DBG_DUMP_FORCE_ERR_LEVEL,
 458                                   "status = 0x%8.8x panic = 0x%8.8x\n",
 459                                   status, panic);
 460
 461                hda_dsp_dump_ext_rom_status(sdev, flags);
 462                hda_dsp_get_status(sdev);
 463        }
 464}
 465
 466void hda_ipc_irq_dump(struct snd_sof_dev *sdev)
 467{
 468        struct hdac_bus *bus = sof_to_bus(sdev);
 469        u32 adspis;
 470        u32 intsts;
 471        u32 intctl;
 472        u32 ppsts;
 473        u8 rirbsts;
 474
 475        /* read key IRQ stats and config registers */
 476        adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS);
 477        intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS);
 478        intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL);
 479        ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS);
 480        rirbsts = snd_hdac_chip_readb(bus, RIRBSTS);
 481
 482        dev_err(sdev->dev,
 483                "error: hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n",
 484                intsts, intctl, rirbsts);
 485        dev_err(sdev->dev,
 486                "error: dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n",
 487                ppsts, adspis);
 488}
 489
 490void hda_ipc_dump(struct snd_sof_dev *sdev)
 491{
 492        u32 hipcie;
 493        u32 hipct;
 494        u32 hipcctl;
 495
 496        hda_ipc_irq_dump(sdev);
 497
 498        /* read IPC status */
 499        hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
 500        hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
 501        hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
 502
 503        /* dump the IPC regs */
 504        /* TODO: parse the raw msg */
 505        dev_err(sdev->dev,
 506                "error: host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n",
 507                hipcie, hipct, hipcctl);
 508}
 509
 510static int hda_init(struct snd_sof_dev *sdev)
 511{
 512        struct hda_bus *hbus;
 513        struct hdac_bus *bus;
 514        struct pci_dev *pci = to_pci_dev(sdev->dev);
 515        int ret;
 516
 517        hbus = sof_to_hbus(sdev);
 518        bus = sof_to_bus(sdev);
 519
 520        /* HDA bus init */
 521        sof_hda_bus_init(bus, &pci->dev);
 522
 523        bus->use_posbuf = 1;
 524        bus->bdl_pos_adj = 0;
 525        bus->sync_write = 1;
 526
 527        mutex_init(&hbus->prepare_mutex);
 528        hbus->pci = pci;
 529        hbus->mixer_assigned = -1;
 530        hbus->modelname = hda_model;
 531
 532        /* initialise hdac bus */
 533        bus->addr = pci_resource_start(pci, 0);
 534#if IS_ENABLED(CONFIG_PCI)
 535        bus->remap_addr = pci_ioremap_bar(pci, 0);
 536#endif
 537        if (!bus->remap_addr) {
 538                dev_err(bus->dev, "error: ioremap error\n");
 539                return -ENXIO;
 540        }
 541
 542        /* HDA base */
 543        sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
 544
 545        /* init i915 and HDMI codecs */
 546        ret = hda_codec_i915_init(sdev);
 547        if (ret < 0)
 548                dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n");
 549
 550        /* get controller capabilities */
 551        ret = hda_dsp_ctrl_get_caps(sdev);
 552        if (ret < 0)
 553                dev_err(sdev->dev, "error: get caps error\n");
 554
 555        return ret;
 556}
 557
 558#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 559
 560static int check_nhlt_dmic(struct snd_sof_dev *sdev)
 561{
 562        struct nhlt_acpi_table *nhlt;
 563        int dmic_num;
 564
 565        nhlt = intel_nhlt_init(sdev->dev);
 566        if (nhlt) {
 567                dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
 568                intel_nhlt_free(nhlt);
 569                if (dmic_num >= 1 && dmic_num <= 4)
 570                        return dmic_num;
 571        }
 572
 573        return 0;
 574}
 575
 576static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
 577                                   const char *sof_tplg_filename,
 578                                   const char *idisp_str,
 579                                   const char *dmic_str)
 580{
 581        const char *tplg_filename = NULL;
 582        char *filename;
 583        char *split_ext;
 584
 585        filename = devm_kstrdup(sdev->dev, sof_tplg_filename, GFP_KERNEL);
 586        if (!filename)
 587                return NULL;
 588
 589        /* this assumes a .tplg extension */
 590        split_ext = strsep(&filename, ".");
 591        if (split_ext) {
 592                tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
 593                                               "%s%s%s.tplg",
 594                                               split_ext, idisp_str, dmic_str);
 595                if (!tplg_filename)
 596                        return NULL;
 597        }
 598        return tplg_filename;
 599}
 600
 601#endif
 602
 603static int hda_init_caps(struct snd_sof_dev *sdev)
 604{
 605        struct hdac_bus *bus = sof_to_bus(sdev);
 606        struct snd_sof_pdata *pdata = sdev->pdata;
 607#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 608        struct hdac_ext_link *hlink;
 609#endif
 610        struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
 611        u32 link_mask;
 612        int ret = 0;
 613
 614        device_disable_async_suspend(bus->dev);
 615
 616        /* check if dsp is there */
 617        if (bus->ppcap)
 618                dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
 619
 620        /* Init HDA controller after i915 init */
 621        ret = hda_dsp_ctrl_init_chip(sdev, true);
 622        if (ret < 0) {
 623                dev_err(bus->dev, "error: init chip failed with ret: %d\n",
 624                        ret);
 625                return ret;
 626        }
 627
 628        /* scan SoundWire capabilities exposed by DSDT */
 629        ret = hda_sdw_acpi_scan(sdev);
 630        if (ret < 0) {
 631                dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n");
 632                goto skip_soundwire;
 633        }
 634
 635        link_mask = hdev->info.link_mask;
 636        if (!link_mask) {
 637                dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
 638                goto skip_soundwire;
 639        }
 640
 641        /*
 642         * probe/allocate SoundWire resources.
 643         * The hardware configuration takes place in hda_sdw_startup
 644         * after power rails are enabled.
 645         * It's entirely possible to have a mix of I2S/DMIC/SoundWire
 646         * devices, so we allocate the resources in all cases.
 647         */
 648        ret = hda_sdw_probe(sdev);
 649        if (ret < 0) {
 650                dev_err(sdev->dev, "error: SoundWire probe error\n");
 651                return ret;
 652        }
 653
 654skip_soundwire:
 655
 656#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 657        if (bus->mlcap)
 658                snd_hdac_ext_bus_get_ml_capabilities(bus);
 659
 660        /* create codec instances */
 661        hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi);
 662
 663        if (!HDA_IDISP_CODEC(bus->codec_mask))
 664                hda_codec_i915_display_power(sdev, false);
 665
 666        /*
 667         * we are done probing so decrement link counts
 668         */
 669        list_for_each_entry(hlink, &bus->hlink_list, list)
 670                snd_hdac_ext_bus_link_put(bus, hlink);
 671#endif
 672        return 0;
 673}
 674
 675static const struct sof_intel_dsp_desc
 676        *get_chip_info(struct snd_sof_pdata *pdata)
 677{
 678        const struct sof_dev_desc *desc = pdata->desc;
 679        const struct sof_intel_dsp_desc *chip_info;
 680
 681        chip_info = desc->chip_info;
 682
 683        return chip_info;
 684}
 685
 686static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
 687{
 688        struct snd_sof_dev *sdev = context;
 689
 690        /*
 691         * Get global interrupt status. It includes all hardware interrupt
 692         * sources in the Intel HD Audio controller.
 693         */
 694        if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
 695            SOF_HDA_INTSTS_GIS) {
 696
 697                /* disable GIE interrupt */
 698                snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
 699                                        SOF_HDA_INTCTL,
 700                                        SOF_HDA_INT_GLOBAL_EN,
 701                                        0);
 702
 703                return IRQ_WAKE_THREAD;
 704        }
 705
 706        return IRQ_NONE;
 707}
 708
 709static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
 710{
 711        struct snd_sof_dev *sdev = context;
 712        struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
 713
 714        /* deal with streams and controller first */
 715        if (hda_dsp_check_stream_irq(sdev))
 716                hda_dsp_stream_threaded_handler(irq, sdev);
 717
 718        if (hda_dsp_check_ipc_irq(sdev))
 719                sof_ops(sdev)->irq_thread(irq, sdev);
 720
 721        if (hda_dsp_check_sdw_irq(sdev))
 722                hda_dsp_sdw_thread(irq, hdev->sdw);
 723
 724        if (hda_sdw_check_wakeen_irq(sdev))
 725                hda_sdw_process_wakeen(sdev);
 726
 727        /* enable GIE interrupt */
 728        snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
 729                                SOF_HDA_INTCTL,
 730                                SOF_HDA_INT_GLOBAL_EN,
 731                                SOF_HDA_INT_GLOBAL_EN);
 732
 733        return IRQ_HANDLED;
 734}
 735
 736int hda_dsp_probe(struct snd_sof_dev *sdev)
 737{
 738        struct pci_dev *pci = to_pci_dev(sdev->dev);
 739        struct sof_intel_hda_dev *hdev;
 740        struct hdac_bus *bus;
 741        const struct sof_intel_dsp_desc *chip;
 742        int ret = 0;
 743
 744        /*
 745         * detect DSP by checking class/subclass/prog-id information
 746         * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
 747         * class=04 subclass 01 prog-if 00: DSP is present
 748         *   (and may be required e.g. for DMIC or SSP support)
 749         * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
 750         */
 751        if (pci->class == 0x040300) {
 752                dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n");
 753                return -ENODEV;
 754        } else if (pci->class != 0x040100 && pci->class != 0x040380) {
 755                dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class);
 756                return -ENODEV;
 757        }
 758        dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class);
 759
 760        chip = get_chip_info(sdev->pdata);
 761        if (!chip) {
 762                dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
 763                        pci->device);
 764                ret = -EIO;
 765                goto err;
 766        }
 767
 768        hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
 769        if (!hdev)
 770                return -ENOMEM;
 771        sdev->pdata->hw_pdata = hdev;
 772        hdev->desc = chip;
 773
 774        hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
 775                                                       PLATFORM_DEVID_NONE,
 776                                                       NULL, 0);
 777        if (IS_ERR(hdev->dmic_dev)) {
 778                dev_err(sdev->dev, "error: failed to create DMIC device\n");
 779                return PTR_ERR(hdev->dmic_dev);
 780        }
 781
 782        /*
 783         * use position update IPC if either it is forced
 784         * or we don't have other choice
 785         */
 786#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
 787        hdev->no_ipc_position = 0;
 788#else
 789        hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
 790#endif
 791
 792        /* set up HDA base */
 793        bus = sof_to_bus(sdev);
 794        ret = hda_init(sdev);
 795        if (ret < 0)
 796                goto hdac_bus_unmap;
 797
 798        /* DSP base */
 799#if IS_ENABLED(CONFIG_PCI)
 800        sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
 801#endif
 802        if (!sdev->bar[HDA_DSP_BAR]) {
 803                dev_err(sdev->dev, "error: ioremap error\n");
 804                ret = -ENXIO;
 805                goto hdac_bus_unmap;
 806        }
 807
 808        sdev->mmio_bar = HDA_DSP_BAR;
 809        sdev->mailbox_bar = HDA_DSP_BAR;
 810
 811        /* allow 64bit DMA address if supported by H/W */
 812        if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(64))) {
 813                dev_dbg(sdev->dev, "DMA mask is 64 bit\n");
 814                dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(64));
 815        } else {
 816                dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
 817                dma_set_mask(&pci->dev, DMA_BIT_MASK(32));
 818                dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32));
 819        }
 820
 821        /* init streams */
 822        ret = hda_dsp_stream_init(sdev);
 823        if (ret < 0) {
 824                dev_err(sdev->dev, "error: failed to init streams\n");
 825                /*
 826                 * not all errors are due to memory issues, but trying
 827                 * to free everything does not harm
 828                 */
 829                goto free_streams;
 830        }
 831
 832        /*
 833         * register our IRQ
 834         * let's try to enable msi firstly
 835         * if it fails, use legacy interrupt mode
 836         * TODO: support msi multiple vectors
 837         */
 838        if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
 839                dev_info(sdev->dev, "use msi interrupt mode\n");
 840                sdev->ipc_irq = pci_irq_vector(pci, 0);
 841                /* initialised to "false" by kzalloc() */
 842                sdev->msi_enabled = true;
 843        }
 844
 845        if (!sdev->msi_enabled) {
 846                dev_info(sdev->dev, "use legacy interrupt mode\n");
 847                /*
 848                 * in IO-APIC mode, hda->irq and ipc_irq are using the same
 849                 * irq number of pci->irq
 850                 */
 851                sdev->ipc_irq = pci->irq;
 852        }
 853
 854        dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
 855        ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
 856                                   hda_dsp_interrupt_thread,
 857                                   IRQF_SHARED, "AudioDSP", sdev);
 858        if (ret < 0) {
 859                dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
 860                        sdev->ipc_irq);
 861                goto free_irq_vector;
 862        }
 863
 864        pci_set_master(pci);
 865        synchronize_irq(pci->irq);
 866
 867        /*
 868         * clear TCSEL to clear playback on some HD Audio
 869         * codecs. PCI TCSEL is defined in the Intel manuals.
 870         */
 871        snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
 872
 873        /* init HDA capabilities */
 874        ret = hda_init_caps(sdev);
 875        if (ret < 0)
 876                goto free_ipc_irq;
 877
 878        /* enable ppcap interrupt */
 879        hda_dsp_ctrl_ppcap_enable(sdev, true);
 880        hda_dsp_ctrl_ppcap_int_enable(sdev, true);
 881
 882        /* set default mailbox offset for FW ready message */
 883        sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
 884
 885        INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work);
 886
 887        return 0;
 888
 889free_ipc_irq:
 890        free_irq(sdev->ipc_irq, sdev);
 891free_irq_vector:
 892        if (sdev->msi_enabled)
 893                pci_free_irq_vectors(pci);
 894free_streams:
 895        hda_dsp_stream_free(sdev);
 896/* dsp_unmap: not currently used */
 897        iounmap(sdev->bar[HDA_DSP_BAR]);
 898hdac_bus_unmap:
 899        iounmap(bus->remap_addr);
 900        hda_codec_i915_exit(sdev);
 901err:
 902        return ret;
 903}
 904
 905int hda_dsp_remove(struct snd_sof_dev *sdev)
 906{
 907        struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
 908        struct hdac_bus *bus = sof_to_bus(sdev);
 909        struct pci_dev *pci = to_pci_dev(sdev->dev);
 910        const struct sof_intel_dsp_desc *chip = hda->desc;
 911
 912        /* cancel any attempt for DSP D0I3 */
 913        cancel_delayed_work_sync(&hda->d0i3_work);
 914
 915#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 916        /* codec removal, invoke bus_device_remove */
 917        snd_hdac_ext_bus_device_remove(bus);
 918#endif
 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        /* disable DSP IRQ */
 926        snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
 927                                SOF_HDA_PPCTL_PIE, 0);
 928
 929        /* disable CIE and GIE interrupts */
 930        snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
 931                                SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
 932
 933        /* disable cores */
 934        if (chip)
 935                hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask);
 936
 937        /* disable DSP */
 938        snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
 939                                SOF_HDA_PPCTL_GPROCEN, 0);
 940
 941        free_irq(sdev->ipc_irq, sdev);
 942        if (sdev->msi_enabled)
 943                pci_free_irq_vectors(pci);
 944
 945        hda_dsp_stream_free(sdev);
 946#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 947        snd_hdac_link_free_all(bus);
 948#endif
 949
 950        iounmap(sdev->bar[HDA_DSP_BAR]);
 951        iounmap(bus->remap_addr);
 952
 953#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 954        snd_hdac_ext_bus_exit(bus);
 955#endif
 956        hda_codec_i915_exit(sdev);
 957
 958        return 0;
 959}
 960
 961#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 962static int hda_generic_machine_select(struct snd_sof_dev *sdev)
 963{
 964        struct hdac_bus *bus = sof_to_bus(sdev);
 965        struct snd_soc_acpi_mach_params *mach_params;
 966        struct snd_soc_acpi_mach *hda_mach;
 967        struct snd_sof_pdata *pdata = sdev->pdata;
 968        const char *tplg_filename;
 969        const char *idisp_str;
 970        const char *dmic_str;
 971        int dmic_num = 0;
 972        int codec_num = 0;
 973        int i;
 974
 975        /* codec detection */
 976        if (!bus->codec_mask) {
 977                dev_info(bus->dev, "no hda codecs found!\n");
 978        } else {
 979                dev_info(bus->dev, "hda codecs found, mask %lx\n",
 980                         bus->codec_mask);
 981
 982                for (i = 0; i < HDA_MAX_CODECS; i++) {
 983                        if (bus->codec_mask & (1 << i))
 984                                codec_num++;
 985                }
 986
 987                /*
 988                 * If no machine driver is found, then:
 989                 *
 990                 * generic hda machine driver can handle:
 991                 *  - one HDMI codec, and/or
 992                 *  - one external HDAudio codec
 993                 */
 994                if (!pdata->machine && codec_num <= 2) {
 995                        hda_mach = snd_soc_acpi_intel_hda_machines;
 996
 997                        /* topology: use the info from hda_machines */
 998                        pdata->tplg_filename =
 999                                hda_mach->sof_tplg_filename;
1000
1001                        dev_info(bus->dev, "using HDA machine driver %s now\n",
1002                                 hda_mach->drv_name);
1003
1004                        if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask))
1005                                idisp_str = "-idisp";
1006                        else
1007                                idisp_str = "";
1008
1009                        /* first check NHLT for DMICs */
1010                        dmic_num = check_nhlt_dmic(sdev);
1011
1012                        /* allow for module parameter override */
1013                        if (hda_dmic_num != -1)
1014                                dmic_num = hda_dmic_num;
1015
1016                        switch (dmic_num) {
1017                        case 1:
1018                                dmic_str = "-1ch";
1019                                break;
1020                        case 2:
1021                                dmic_str = "-2ch";
1022                                break;
1023                        case 3:
1024                                dmic_str = "-3ch";
1025                                break;
1026                        case 4:
1027                                dmic_str = "-4ch";
1028                                break;
1029                        default:
1030                                dmic_num = 0;
1031                                dmic_str = "";
1032                                break;
1033                        }
1034
1035                        tplg_filename = pdata->tplg_filename;
1036                        tplg_filename = fixup_tplg_name(sdev, tplg_filename,
1037                                                        idisp_str, dmic_str);
1038                        if (!tplg_filename)
1039                                return -EINVAL;
1040
1041                        dev_info(bus->dev,
1042                                 "DMICs detected in NHLT tables: %d\n",
1043                                 dmic_num);
1044
1045                        pdata->machine = hda_mach;
1046                        pdata->tplg_filename = tplg_filename;
1047                }
1048        }
1049
1050        /* used by hda machine driver to create dai links */
1051        if (pdata->machine) {
1052                mach_params = (struct snd_soc_acpi_mach_params *)
1053                        &pdata->machine->mach_params;
1054                mach_params->codec_mask = bus->codec_mask;
1055                mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi;
1056                mach_params->dmic_num = dmic_num;
1057        }
1058
1059        return 0;
1060}
1061#else
1062static int hda_generic_machine_select(struct snd_sof_dev *sdev)
1063{
1064        return 0;
1065}
1066#endif
1067
1068#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
1069/* Check if all Slaves defined on the link can be found */
1070static bool link_slaves_found(struct snd_sof_dev *sdev,
1071                              const struct snd_soc_acpi_link_adr *link,
1072                              struct sdw_intel_ctx *sdw)
1073{
1074        struct hdac_bus *bus = sof_to_bus(sdev);
1075        struct sdw_intel_slave_id *ids = sdw->ids;
1076        int num_slaves = sdw->num_slaves;
1077        unsigned int part_id, link_id, unique_id, mfg_id;
1078        int i, j;
1079
1080        for (i = 0; i < link->num_adr; i++) {
1081                u64 adr = link->adr_d[i].adr;
1082
1083                mfg_id = SDW_MFG_ID(adr);
1084                part_id = SDW_PART_ID(adr);
1085                link_id = SDW_DISCO_LINK_ID(adr);
1086                for (j = 0; j < num_slaves; j++) {
1087                        if (ids[j].link_id != link_id ||
1088                            ids[j].id.part_id != part_id ||
1089                            ids[j].id.mfg_id != mfg_id)
1090                                continue;
1091                        /*
1092                         * we have to check unique id
1093                         * if there is more than one
1094                         * Slave on the link
1095                         */
1096                        unique_id = SDW_UNIQUE_ID(adr);
1097                        if (link->num_adr == 1 ||
1098                            ids[j].id.unique_id == SDW_IGNORED_UNIQUE_ID ||
1099                            ids[j].id.unique_id == unique_id) {
1100                                dev_dbg(bus->dev,
1101                                        "found %x at link %d\n",
1102                                        part_id, link_id);
1103                                break;
1104                        }
1105                }
1106                if (j == num_slaves) {
1107                        dev_dbg(bus->dev,
1108                                "Slave %x not found\n",
1109                                part_id);
1110                        return false;
1111                }
1112        }
1113        return true;
1114}
1115
1116static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
1117{
1118        struct snd_sof_pdata *pdata = sdev->pdata;
1119        const struct snd_soc_acpi_link_adr *link;
1120        struct hdac_bus *bus = sof_to_bus(sdev);
1121        struct snd_soc_acpi_mach *mach;
1122        struct sof_intel_hda_dev *hdev;
1123        u32 link_mask;
1124        int i;
1125
1126        hdev = pdata->hw_pdata;
1127        link_mask = hdev->info.link_mask;
1128
1129        /*
1130         * Select SoundWire machine driver if needed using the
1131         * alternate tables. This case deals with SoundWire-only
1132         * machines, for mixed cases with I2C/I2S the detection relies
1133         * on the HID list.
1134         */
1135        if (link_mask && !pdata->machine) {
1136                for (mach = pdata->desc->alt_machines;
1137                     mach && mach->link_mask; mach++) {
1138                        /*
1139                         * On some platforms such as Up Extreme all links
1140                         * are enabled but only one link can be used by
1141                         * external codec. Instead of exact match of two masks,
1142                         * first check whether link_mask of mach is subset of
1143                         * link_mask supported by hw and then go on searching
1144                         * link_adr
1145                         */
1146                        if (~link_mask & mach->link_mask)
1147                                continue;
1148
1149                        /* No need to match adr if there is no links defined */
1150                        if (!mach->links)
1151                                break;
1152
1153                        link = mach->links;
1154                        for (i = 0; i < hdev->info.count && link->num_adr;
1155                             i++, link++) {
1156                                /*
1157                                 * Try next machine if any expected Slaves
1158                                 * are not found on this link.
1159                                 */
1160                                if (!link_slaves_found(sdev, link, hdev->sdw))
1161                                        break;
1162                        }
1163                        /* Found if all Slaves are checked */
1164                        if (i == hdev->info.count || !link->num_adr)
1165                                break;
1166                }
1167                if (mach && mach->link_mask) {
1168                        dev_dbg(bus->dev,
1169                                "SoundWire machine driver %s topology %s\n",
1170                                mach->drv_name,
1171                                mach->sof_tplg_filename);
1172                        pdata->machine = mach;
1173                        mach->mach_params.links = mach->links;
1174                        mach->mach_params.link_mask = mach->link_mask;
1175                        mach->mach_params.platform = dev_name(sdev->dev);
1176                        pdata->fw_filename = mach->sof_fw_filename;
1177                        pdata->tplg_filename = mach->sof_tplg_filename;
1178                } else {
1179                        dev_info(sdev->dev,
1180                                 "No SoundWire machine driver found\n");
1181                }
1182        }
1183
1184        return 0;
1185}
1186#else
1187static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
1188{
1189        return 0;
1190}
1191#endif
1192
1193void hda_set_mach_params(const struct snd_soc_acpi_mach *mach,
1194                         struct device *dev)
1195{
1196        struct snd_soc_acpi_mach_params *mach_params;
1197
1198        mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params;
1199        mach_params->platform = dev_name(dev);
1200}
1201
1202void hda_machine_select(struct snd_sof_dev *sdev)
1203{
1204        struct snd_sof_pdata *sof_pdata = sdev->pdata;
1205        const struct sof_dev_desc *desc = sof_pdata->desc;
1206        struct snd_soc_acpi_mach *mach;
1207
1208        mach = snd_soc_acpi_find_machine(desc->machines);
1209        if (mach) {
1210                /*
1211                 * If tplg file name is overridden, use it instead of
1212                 * the one set in mach table
1213                 */
1214                if (!sof_pdata->tplg_filename)
1215                        sof_pdata->tplg_filename = mach->sof_tplg_filename;
1216
1217                sof_pdata->machine = mach;
1218
1219                if (mach->link_mask) {
1220                        mach->mach_params.links = mach->links;
1221                        mach->mach_params.link_mask = mach->link_mask;
1222                }
1223        }
1224
1225        /*
1226         * If I2S fails, try SoundWire
1227         */
1228        hda_sdw_machine_select(sdev);
1229
1230        /*
1231         * Choose HDA generic machine driver if mach is NULL.
1232         * Otherwise, set certain mach params.
1233         */
1234        hda_generic_machine_select(sdev);
1235
1236        if (!sof_pdata->machine)
1237                dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
1238}
1239
1240MODULE_LICENSE("Dual BSD/GPL");
1241MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC);
1242MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
1243MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
1244MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT);
1245