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-dsp-config.h>
  26#include <sound/intel-nhlt.h>
  27#include <sound/sof.h>
  28#include <sound/sof/xtensa.h>
  29#include "../sof-audio.h"
  30#include "../sof-pci-dev.h"
  31#include "../ops.h"
  32#include "hda.h"
  33
  34#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
  35#include <sound/soc-acpi-intel-match.h>
  36#endif
  37
  38/* platform specific devices */
  39#include "shim.h"
  40
  41#define EXCEPT_MAX_HDR_SIZE     0x400
  42#define HDA_EXT_ROM_STATUS_SIZE 8
  43
  44static const struct sof_intel_dsp_desc
  45        *get_chip_info(struct snd_sof_pdata *pdata)
  46{
  47        const struct sof_dev_desc *desc = pdata->desc;
  48        const struct sof_intel_dsp_desc *chip_info;
  49
  50        chip_info = desc->chip_info;
  51
  52        return chip_info;
  53}
  54
  55#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
  56
  57/*
  58 * The default for SoundWire clock stop quirks is to power gate the IP
  59 * and do a Bus Reset, this will need to be modified when the DSP
  60 * needs to remain in D0i3 so that the Master does not lose context
  61 * and enumeration is not required on clock restart
  62 */
  63static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET;
  64module_param(sdw_clock_stop_quirks, int, 0444);
  65MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
  66
  67static int sdw_params_stream(struct device *dev,
  68                             struct sdw_intel_stream_params_data *params_data)
  69{
  70        struct snd_sof_dev *sdev = dev_get_drvdata(dev);
  71        struct snd_soc_dai *d = params_data->dai;
  72        struct sof_ipc_dai_config config;
  73        struct sof_ipc_reply reply;
  74        int link_id = params_data->link_id;
  75        int alh_stream_id = params_data->alh_stream_id;
  76        int ret;
  77        u32 size = sizeof(config);
  78
  79        memset(&config, 0, size);
  80        config.hdr.size = size;
  81        config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
  82        config.type = SOF_DAI_INTEL_ALH;
  83        config.dai_index = (link_id << 8) | (d->id);
  84        config.alh.stream_id = alh_stream_id;
  85
  86        /* send message to DSP */
  87        ret = sof_ipc_tx_message(sdev->ipc,
  88                                 config.hdr.cmd, &config, size, &reply,
  89                                 sizeof(reply));
  90        if (ret < 0) {
  91                dev_err(sdev->dev,
  92                        "error: failed to set DAI hw_params for link %d dai->id %d ALH %d\n",
  93                        link_id, d->id, alh_stream_id);
  94        }
  95
  96        return ret;
  97}
  98
  99static int sdw_free_stream(struct device *dev,
 100                           struct sdw_intel_stream_free_data *free_data)
 101{
 102        struct snd_sof_dev *sdev = dev_get_drvdata(dev);
 103        struct snd_soc_dai *d = free_data->dai;
 104        struct sof_ipc_dai_config config;
 105        struct sof_ipc_reply reply;
 106        int link_id = free_data->link_id;
 107        int ret;
 108        u32 size = sizeof(config);
 109
 110        memset(&config, 0, size);
 111        config.hdr.size = size;
 112        config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
 113        config.type = SOF_DAI_INTEL_ALH;
 114        config.dai_index = (link_id << 8) | d->id;
 115        config.alh.stream_id = 0xFFFF; /* invalid value on purpose */
 116
 117        /* send message to DSP */
 118        ret = sof_ipc_tx_message(sdev->ipc,
 119                                 config.hdr.cmd, &config, size, &reply,
 120                                 sizeof(reply));
 121        if (ret < 0) {
 122                dev_err(sdev->dev,
 123                        "error: failed to free stream for link %d dai->id %d\n",
 124                        link_id, d->id);
 125        }
 126
 127        return ret;
 128}
 129
 130static const struct sdw_intel_ops sdw_callback = {
 131        .params_stream = sdw_params_stream,
 132        .free_stream = sdw_free_stream,
 133};
 134
 135void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable)
 136{
 137        sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable);
 138}
 139
 140static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
 141{
 142        struct sof_intel_hda_dev *hdev;
 143        acpi_handle handle;
 144        int ret;
 145
 146        handle = ACPI_HANDLE(sdev->dev);
 147
 148        /* save ACPI info for the probe step */
 149        hdev = sdev->pdata->hw_pdata;
 150
 151        ret = sdw_intel_acpi_scan(handle, &hdev->info);
 152        if (ret < 0)
 153                return -EINVAL;
 154
 155        return 0;
 156}
 157
 158static int hda_sdw_probe(struct snd_sof_dev *sdev)
 159{
 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        res.mmio_base = sdev->bar[HDA_DSP_BAR];
 169        res.shim_base = hdev->desc->sdw_shim_base;
 170        res.alh_base = hdev->desc->sdw_alh_base;
 171        res.irq = sdev->ipc_irq;
 172        res.handle = hdev->info.handle;
 173        res.parent = sdev->dev;
 174        res.ops = &sdw_callback;
 175        res.dev = sdev->dev;
 176        res.clock_stop_quirks = sdw_clock_stop_quirks;
 177
 178        /*
 179         * ops and arg fields are not populated for now,
 180         * they will be needed when the DAI callbacks are
 181         * provided
 182         */
 183
 184        /* we could filter links here if needed, e.g for quirks */
 185        res.count = hdev->info.count;
 186        res.link_mask = hdev->info.link_mask;
 187
 188        sdw = sdw_intel_probe(&res);
 189        if (!sdw) {
 190                dev_err(sdev->dev, "error: SoundWire probe failed\n");
 191                return -EINVAL;
 192        }
 193
 194        /* save context */
 195        hdev->sdw = sdw;
 196
 197        return 0;
 198}
 199
 200int hda_sdw_startup(struct snd_sof_dev *sdev)
 201{
 202        struct sof_intel_hda_dev *hdev;
 203        struct snd_sof_pdata *pdata = sdev->pdata;
 204
 205        hdev = sdev->pdata->hw_pdata;
 206
 207        if (!hdev->sdw)
 208                return 0;
 209
 210        if (pdata->machine && !pdata->machine->mach_params.link_mask)
 211                return 0;
 212
 213        return sdw_intel_startup(hdev->sdw);
 214}
 215
 216static int hda_sdw_exit(struct snd_sof_dev *sdev)
 217{
 218        struct sof_intel_hda_dev *hdev;
 219
 220        hdev = sdev->pdata->hw_pdata;
 221
 222        hda_sdw_int_enable(sdev, false);
 223
 224        if (hdev->sdw)
 225                sdw_intel_exit(hdev->sdw);
 226        hdev->sdw = NULL;
 227
 228        return 0;
 229}
 230
 231bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev)
 232{
 233        struct sof_intel_hda_dev *hdev;
 234        bool ret = false;
 235        u32 irq_status;
 236
 237        hdev = sdev->pdata->hw_pdata;
 238
 239        if (!hdev->sdw)
 240                return ret;
 241
 242        /* store status */
 243        irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
 244
 245        /* invalid message ? */
 246        if (irq_status == 0xffffffff)
 247                goto out;
 248
 249        /* SDW message ? */
 250        if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
 251                ret = true;
 252
 253out:
 254        return ret;
 255}
 256
 257static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
 258{
 259        const struct sof_intel_dsp_desc *chip;
 260
 261        chip = get_chip_info(sdev->pdata);
 262        if (chip && chip->check_sdw_irq)
 263                return chip->check_sdw_irq(sdev);
 264
 265        return false;
 266}
 267
 268static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
 269{
 270        return sdw_intel_thread(irq, context);
 271}
 272
 273static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
 274{
 275        struct sof_intel_hda_dev *hdev;
 276
 277        hdev = sdev->pdata->hw_pdata;
 278        if (hdev->sdw &&
 279            snd_sof_dsp_read(sdev, HDA_DSP_BAR,
 280                             hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS))
 281                return true;
 282
 283        return false;
 284}
 285
 286void hda_sdw_process_wakeen(struct snd_sof_dev *sdev)
 287{
 288        struct sof_intel_hda_dev *hdev;
 289
 290        hdev = sdev->pdata->hw_pdata;
 291        if (!hdev->sdw)
 292                return;
 293
 294        sdw_intel_process_wakeen_event(hdev->sdw);
 295}
 296
 297#endif
 298
 299/*
 300 * Debug
 301 */
 302
 303struct hda_dsp_msg_code {
 304        u32 code;
 305        const char *msg;
 306};
 307
 308#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
 309static bool hda_use_msi = true;
 310module_param_named(use_msi, hda_use_msi, bool, 0444);
 311MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
 312#else
 313#define hda_use_msi     (1)
 314#endif
 315
 316static char *hda_model;
 317module_param(hda_model, charp, 0444);
 318MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
 319
 320#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
 321static int hda_dmic_num = -1;
 322module_param_named(dmic_num, hda_dmic_num, int, 0444);
 323MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
 324#endif
 325
 326#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 327static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI);
 328module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444);
 329MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver");
 330#endif
 331
 332static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = {
 333        {HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"},
 334        {HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"},
 335        {HDA_DSP_ROM_FW_ENTERED, "status: fw entered"},
 336        {HDA_DSP_ROM_CSE_ERROR, "error: cse error"},
 337        {HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"},
 338        {HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"},
 339        {HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"},
 340        {HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"},
 341        {HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"},
 342        {HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"},
 343        {HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"},
 344        {HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"},
 345        {HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"},
 346        {HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"},
 347        {HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"},
 348        {HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"},
 349        {HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"},
 350        {HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"},
 351        {HDA_DSP_ROM_NULL_FW_ENTRY,     "error: null FW entry point"},
 352};
 353
 354static void hda_dsp_get_status(struct snd_sof_dev *sdev)
 355{
 356        u32 status;
 357        int i;
 358
 359        status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
 360                                  HDA_DSP_SRAM_REG_ROM_STATUS);
 361
 362        for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) {
 363                if (status == hda_dsp_rom_msg[i].code) {
 364                        dev_err(sdev->dev, "%s - code %8.8x\n",
 365                                hda_dsp_rom_msg[i].msg, status);
 366                        return;
 367                }
 368        }
 369
 370        /* not for us, must be generic sof message */
 371        dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status);
 372}
 373
 374static void hda_dsp_get_registers(struct snd_sof_dev *sdev,
 375                                  struct sof_ipc_dsp_oops_xtensa *xoops,
 376                                  struct sof_ipc_panic_info *panic_info,
 377                                  u32 *stack, size_t stack_words)
 378{
 379        u32 offset = sdev->dsp_oops_offset;
 380
 381        /* first read registers */
 382        sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
 383
 384        /* note: variable AR register array is not read */
 385
 386        /* then get panic info */
 387        if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
 388                dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
 389                        xoops->arch_hdr.totalsize);
 390                return;
 391        }
 392        offset += xoops->arch_hdr.totalsize;
 393        sof_block_read(sdev, sdev->mmio_bar, offset,
 394                       panic_info, sizeof(*panic_info));
 395
 396        /* then get the stack */
 397        offset += sizeof(*panic_info);
 398        sof_block_read(sdev, sdev->mmio_bar, offset, stack,
 399                       stack_words * sizeof(u32));
 400}
 401
 402/* dump the first 8 dwords representing the extended ROM status */
 403static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, u32 flags)
 404{
 405        char msg[128];
 406        int len = 0;
 407        u32 value;
 408        int i;
 409
 410        for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) {
 411                value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_ROM_STATUS + i * 0x4);
 412                len += snprintf(msg + len, sizeof(msg) - len, " 0x%x", value);
 413        }
 414
 415        sof_dev_dbg_or_err(sdev->dev, flags & SOF_DBG_DUMP_FORCE_ERR_LEVEL,
 416                           "extended rom status: %s", msg);
 417
 418}
 419
 420void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
 421{
 422        struct sof_ipc_dsp_oops_xtensa xoops;
 423        struct sof_ipc_panic_info panic_info;
 424        u32 stack[HDA_DSP_STACK_DUMP_SIZE];
 425
 426        /* print ROM/FW status */
 427        hda_dsp_get_status(sdev);
 428
 429        /* print panic info if FW boot is complete. Otherwise, print the extended ROM status */
 430        if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) {
 431                u32 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_STATUS);
 432                u32 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP);
 433
 434                hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
 435                                      HDA_DSP_STACK_DUMP_SIZE);
 436                snd_sof_get_status(sdev, status, panic, &xoops, &panic_info,
 437                                   stack, HDA_DSP_STACK_DUMP_SIZE);
 438        } else {
 439                hda_dsp_dump_ext_rom_status(sdev, flags);
 440        }
 441}
 442
 443void hda_ipc_irq_dump(struct snd_sof_dev *sdev)
 444{
 445        struct hdac_bus *bus = sof_to_bus(sdev);
 446        u32 adspis;
 447        u32 intsts;
 448        u32 intctl;
 449        u32 ppsts;
 450        u8 rirbsts;
 451
 452        /* read key IRQ stats and config registers */
 453        adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS);
 454        intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS);
 455        intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL);
 456        ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS);
 457        rirbsts = snd_hdac_chip_readb(bus, RIRBSTS);
 458
 459        dev_err(sdev->dev,
 460                "error: hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n",
 461                intsts, intctl, rirbsts);
 462        dev_err(sdev->dev,
 463                "error: dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n",
 464                ppsts, adspis);
 465}
 466
 467void hda_ipc_dump(struct snd_sof_dev *sdev)
 468{
 469        u32 hipcie;
 470        u32 hipct;
 471        u32 hipcctl;
 472
 473        hda_ipc_irq_dump(sdev);
 474
 475        /* read IPC status */
 476        hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
 477        hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
 478        hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
 479
 480        /* dump the IPC regs */
 481        /* TODO: parse the raw msg */
 482        dev_err(sdev->dev,
 483                "error: host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n",
 484                hipcie, hipct, hipcctl);
 485}
 486
 487static int hda_init(struct snd_sof_dev *sdev)
 488{
 489        struct hda_bus *hbus;
 490        struct hdac_bus *bus;
 491        struct pci_dev *pci = to_pci_dev(sdev->dev);
 492        int ret;
 493
 494        hbus = sof_to_hbus(sdev);
 495        bus = sof_to_bus(sdev);
 496
 497        /* HDA bus init */
 498        sof_hda_bus_init(bus, &pci->dev);
 499
 500        bus->use_posbuf = 1;
 501        bus->bdl_pos_adj = 0;
 502        bus->sync_write = 1;
 503
 504        mutex_init(&hbus->prepare_mutex);
 505        hbus->pci = pci;
 506        hbus->mixer_assigned = -1;
 507        hbus->modelname = hda_model;
 508
 509        /* initialise hdac bus */
 510        bus->addr = pci_resource_start(pci, 0);
 511        bus->remap_addr = pci_ioremap_bar(pci, 0);
 512        if (!bus->remap_addr) {
 513                dev_err(bus->dev, "error: ioremap error\n");
 514                return -ENXIO;
 515        }
 516
 517        /* HDA base */
 518        sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
 519
 520        /* init i915 and HDMI codecs */
 521        ret = hda_codec_i915_init(sdev);
 522        if (ret < 0)
 523                dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n");
 524
 525        /* get controller capabilities */
 526        ret = hda_dsp_ctrl_get_caps(sdev);
 527        if (ret < 0)
 528                dev_err(sdev->dev, "error: get caps error\n");
 529
 530        return ret;
 531}
 532
 533#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
 534
 535static int check_nhlt_dmic(struct snd_sof_dev *sdev)
 536{
 537        struct nhlt_acpi_table *nhlt;
 538        int dmic_num;
 539
 540        nhlt = intel_nhlt_init(sdev->dev);
 541        if (nhlt) {
 542                dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
 543                intel_nhlt_free(nhlt);
 544                if (dmic_num >= 1 && dmic_num <= 4)
 545                        return dmic_num;
 546        }
 547
 548        return 0;
 549}
 550
 551static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
 552                                   const char *sof_tplg_filename,
 553                                   const char *idisp_str,
 554                                   const char *dmic_str)
 555{
 556        const char *tplg_filename = NULL;
 557        char *filename, *tmp;
 558        const char *split_ext;
 559
 560        filename = kstrdup(sof_tplg_filename, GFP_KERNEL);
 561        if (!filename)
 562                return NULL;
 563
 564        /* this assumes a .tplg extension */
 565        tmp = filename;
 566        split_ext = strsep(&tmp, ".");
 567        if (split_ext)
 568                tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
 569                                               "%s%s%s.tplg",
 570                                               split_ext, idisp_str, dmic_str);
 571        kfree(filename);
 572
 573        return tplg_filename;
 574}
 575
 576static int dmic_topology_fixup(struct snd_sof_dev *sdev,
 577                               const char **tplg_filename,
 578                               const char *idisp_str,
 579                               int *dmic_found)
 580{
 581        const char *default_tplg_filename = *tplg_filename;
 582        const char *fixed_tplg_filename;
 583        const char *dmic_str;
 584        int dmic_num;
 585
 586        /* first check NHLT for DMICs */
 587        dmic_num = check_nhlt_dmic(sdev);
 588
 589        /* allow for module parameter override */
 590        if (hda_dmic_num != -1) {
 591                dev_dbg(sdev->dev,
 592                        "overriding DMICs detected in NHLT tables %d by kernel param %d\n",
 593                        dmic_num, hda_dmic_num);
 594                dmic_num = hda_dmic_num;
 595        }
 596
 597        switch (dmic_num) {
 598        case 1:
 599                dmic_str = "-1ch";
 600                break;
 601        case 2:
 602                dmic_str = "-2ch";
 603                break;
 604        case 3:
 605                dmic_str = "-3ch";
 606                break;
 607        case 4:
 608                dmic_str = "-4ch";
 609                break;
 610        default:
 611                dmic_num = 0;
 612                dmic_str = "";
 613                break;
 614        }
 615
 616        fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename,
 617                                              idisp_str, dmic_str);
 618        if (!fixed_tplg_filename)
 619                return -ENOMEM;
 620
 621        dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num);
 622        *dmic_found = dmic_num;
 623        *tplg_filename = fixed_tplg_filename;
 624
 625        return 0;
 626}
 627#endif
 628
 629static int hda_init_caps(struct snd_sof_dev *sdev)
 630{
 631        struct hdac_bus *bus = sof_to_bus(sdev);
 632        struct snd_sof_pdata *pdata = sdev->pdata;
 633#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 634        struct hdac_ext_link *hlink;
 635#endif
 636        struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
 637        u32 link_mask;
 638        int ret = 0;
 639
 640        /* check if dsp is there */
 641        if (bus->ppcap)
 642                dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
 643
 644        /* Init HDA controller after i915 init */
 645        ret = hda_dsp_ctrl_init_chip(sdev, true);
 646        if (ret < 0) {
 647                dev_err(bus->dev, "error: init chip failed with ret: %d\n",
 648                        ret);
 649                return ret;
 650        }
 651
 652        /* scan SoundWire capabilities exposed by DSDT */
 653        ret = hda_sdw_acpi_scan(sdev);
 654        if (ret < 0) {
 655                dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n");
 656                goto skip_soundwire;
 657        }
 658
 659        link_mask = hdev->info.link_mask;
 660        if (!link_mask) {
 661                dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
 662                goto skip_soundwire;
 663        }
 664
 665        /*
 666         * probe/allocate SoundWire resources.
 667         * The hardware configuration takes place in hda_sdw_startup
 668         * after power rails are enabled.
 669         * It's entirely possible to have a mix of I2S/DMIC/SoundWire
 670         * devices, so we allocate the resources in all cases.
 671         */
 672        ret = hda_sdw_probe(sdev);
 673        if (ret < 0) {
 674                dev_err(sdev->dev, "error: SoundWire probe error\n");
 675                return ret;
 676        }
 677
 678skip_soundwire:
 679
 680#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 681        if (bus->mlcap)
 682                snd_hdac_ext_bus_get_ml_capabilities(bus);
 683
 684        /* create codec instances */
 685        hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi);
 686
 687        if (!HDA_IDISP_CODEC(bus->codec_mask))
 688                hda_codec_i915_display_power(sdev, false);
 689
 690        /*
 691         * we are done probing so decrement link counts
 692         */
 693        list_for_each_entry(hlink, &bus->hlink_list, list)
 694                snd_hdac_ext_bus_link_put(bus, hlink);
 695#endif
 696        return 0;
 697}
 698
 699static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
 700{
 701        struct snd_sof_dev *sdev = context;
 702
 703        /*
 704         * Get global interrupt status. It includes all hardware interrupt
 705         * sources in the Intel HD Audio controller.
 706         */
 707        if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
 708            SOF_HDA_INTSTS_GIS) {
 709
 710                /* disable GIE interrupt */
 711                snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
 712                                        SOF_HDA_INTCTL,
 713                                        SOF_HDA_INT_GLOBAL_EN,
 714                                        0);
 715
 716                return IRQ_WAKE_THREAD;
 717        }
 718
 719        return IRQ_NONE;
 720}
 721
 722static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
 723{
 724        struct snd_sof_dev *sdev = context;
 725        struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
 726
 727        /* deal with streams and controller first */
 728        if (hda_dsp_check_stream_irq(sdev))
 729                hda_dsp_stream_threaded_handler(irq, sdev);
 730
 731        if (hda_dsp_check_ipc_irq(sdev))
 732                sof_ops(sdev)->irq_thread(irq, sdev);
 733
 734        if (hda_dsp_check_sdw_irq(sdev))
 735                hda_dsp_sdw_thread(irq, hdev->sdw);
 736
 737        if (hda_sdw_check_wakeen_irq(sdev))
 738                hda_sdw_process_wakeen(sdev);
 739
 740        /* enable GIE interrupt */
 741        snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
 742                                SOF_HDA_INTCTL,
 743                                SOF_HDA_INT_GLOBAL_EN,
 744                                SOF_HDA_INT_GLOBAL_EN);
 745
 746        return IRQ_HANDLED;
 747}
 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;
 753        struct hdac_bus *bus;
 754        const struct sof_intel_dsp_desc *chip;
 755        int ret = 0;
 756
 757        /*
 758         * detect DSP by checking class/subclass/prog-id information
 759         * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
 760         * class=04 subclass 01 prog-if 00: DSP is present
 761         *   (and may be required e.g. for DMIC or SSP support)
 762         * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
 763         */
 764        if (pci->class == 0x040300) {
 765                dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n");
 766                return -ENODEV;
 767        } else if (pci->class != 0x040100 && pci->class != 0x040380) {
 768                dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class);
 769                return -ENODEV;
 770        }
 771        dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class);
 772
 773        chip = get_chip_info(sdev->pdata);
 774        if (!chip) {
 775                dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
 776                        pci->device);
 777                ret = -EIO;
 778                goto err;
 779        }
 780
 781        hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
 782        if (!hdev)
 783                return -ENOMEM;
 784        sdev->pdata->hw_pdata = hdev;
 785        hdev->desc = chip;
 786
 787        hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
 788                                                       PLATFORM_DEVID_NONE,
 789                                                       NULL, 0);
 790        if (IS_ERR(hdev->dmic_dev)) {
 791                dev_err(sdev->dev, "error: failed to create DMIC device\n");
 792                return PTR_ERR(hdev->dmic_dev);
 793        }
 794
 795        /*
 796         * use position update IPC if either it is forced
 797         * or we don't have other choice
 798         */
 799#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
 800        hdev->no_ipc_position = 0;
 801#else
 802        hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
 803#endif
 804
 805        /* set up HDA base */
 806        bus = sof_to_bus(sdev);
 807        ret = hda_init(sdev);
 808        if (ret < 0)
 809                goto hdac_bus_unmap;
 810
 811        /* DSP base */
 812        sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
 813        if (!sdev->bar[HDA_DSP_BAR]) {
 814                dev_err(sdev->dev, "error: ioremap error\n");
 815                ret = -ENXIO;
 816                goto hdac_bus_unmap;
 817        }
 818
 819        sdev->mmio_bar = HDA_DSP_BAR;
 820        sdev->mailbox_bar = HDA_DSP_BAR;
 821
 822        /* allow 64bit DMA address if supported by H/W */
 823        if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) {
 824                dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
 825                dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32));
 826        }
 827
 828        /* init streams */
 829        ret = hda_dsp_stream_init(sdev);
 830        if (ret < 0) {
 831                dev_err(sdev->dev, "error: failed to init streams\n");
 832                /*
 833                 * not all errors are due to memory issues, but trying
 834                 * to free everything does not harm
 835                 */
 836                goto free_streams;
 837        }
 838
 839        /*
 840         * register our IRQ
 841         * let's try to enable msi firstly
 842         * if it fails, use legacy interrupt mode
 843         * TODO: support msi multiple vectors
 844         */
 845        if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
 846                dev_info(sdev->dev, "use msi interrupt mode\n");
 847                sdev->ipc_irq = pci_irq_vector(pci, 0);
 848                /* initialised to "false" by kzalloc() */
 849                sdev->msi_enabled = true;
 850        }
 851
 852        if (!sdev->msi_enabled) {
 853                dev_info(sdev->dev, "use legacy interrupt mode\n");
 854                /*
 855                 * in IO-APIC mode, hda->irq and ipc_irq are using the same
 856                 * irq number of pci->irq
 857                 */
 858                sdev->ipc_irq = pci->irq;
 859        }
 860
 861        dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
 862        ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
 863                                   hda_dsp_interrupt_thread,
 864                                   IRQF_SHARED, "AudioDSP", sdev);
 865        if (ret < 0) {
 866                dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
 867                        sdev->ipc_irq);
 868                goto free_irq_vector;
 869        }
 870
 871        pci_set_master(pci);
 872        synchronize_irq(pci->irq);
 873
 874        /*
 875         * clear TCSEL to clear playback on some HD Audio
 876         * codecs. PCI TCSEL is defined in the Intel manuals.
 877         */
 878        snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
 879
 880        /* init HDA capabilities */
 881        ret = hda_init_caps(sdev);
 882        if (ret < 0)
 883                goto free_ipc_irq;
 884
 885        /* enable ppcap interrupt */
 886        hda_dsp_ctrl_ppcap_enable(sdev, true);
 887        hda_dsp_ctrl_ppcap_int_enable(sdev, true);
 888
 889        /* set default mailbox offset for FW ready message */
 890        sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
 891
 892        INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work);
 893
 894        return 0;
 895
 896free_ipc_irq:
 897        free_irq(sdev->ipc_irq, sdev);
 898free_irq_vector:
 899        if (sdev->msi_enabled)
 900                pci_free_irq_vectors(pci);
 901free_streams:
 902        hda_dsp_stream_free(sdev);
 903/* dsp_unmap: not currently used */
 904        iounmap(sdev->bar[HDA_DSP_BAR]);
 905hdac_bus_unmap:
 906        platform_device_unregister(hdev->dmic_dev);
 907        iounmap(bus->remap_addr);
 908        hda_codec_i915_exit(sdev);
 909err:
 910        return ret;
 911}
 912
 913int hda_dsp_remove(struct snd_sof_dev *sdev)
 914{
 915        struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
 916        struct hdac_bus *bus = sof_to_bus(sdev);
 917        struct pci_dev *pci = to_pci_dev(sdev->dev);
 918        const struct sof_intel_dsp_desc *chip = hda->desc;
 919
 920        /* cancel any attempt for DSP D0I3 */
 921        cancel_delayed_work_sync(&hda->d0i3_work);
 922
 923#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 924        /* codec removal, invoke bus_device_remove */
 925        snd_hdac_ext_bus_device_remove(bus);
 926#endif
 927
 928        hda_sdw_exit(sdev);
 929
 930        if (!IS_ERR_OR_NULL(hda->dmic_dev))
 931                platform_device_unregister(hda->dmic_dev);
 932
 933        /* disable DSP IRQ */
 934        snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
 935                                SOF_HDA_PPCTL_PIE, 0);
 936
 937        /* disable CIE and GIE interrupts */
 938        snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
 939                                SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
 940
 941        /* disable cores */
 942        if (chip)
 943                snd_sof_dsp_core_power_down(sdev, chip->host_managed_cores_mask);
 944
 945        /* disable DSP */
 946        snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
 947                                SOF_HDA_PPCTL_GPROCEN, 0);
 948
 949        free_irq(sdev->ipc_irq, sdev);
 950        if (sdev->msi_enabled)
 951                pci_free_irq_vectors(pci);
 952
 953        hda_dsp_stream_free(sdev);
 954#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 955        snd_hdac_link_free_all(bus);
 956#endif
 957
 958        iounmap(sdev->bar[HDA_DSP_BAR]);
 959        iounmap(bus->remap_addr);
 960
 961#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 962        snd_hdac_ext_bus_exit(bus);
 963#endif
 964        hda_codec_i915_exit(sdev);
 965
 966        return 0;
 967}
 968
 969#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 970static int hda_generic_machine_select(struct snd_sof_dev *sdev)
 971{
 972        struct hdac_bus *bus = sof_to_bus(sdev);
 973        struct snd_soc_acpi_mach_params *mach_params;
 974        struct snd_soc_acpi_mach *hda_mach;
 975        struct snd_sof_pdata *pdata = sdev->pdata;
 976        const char *tplg_filename;
 977        const char *idisp_str;
 978        int dmic_num = 0;
 979        int codec_num = 0;
 980        int ret;
 981        int i;
 982
 983        /* codec detection */
 984        if (!bus->codec_mask) {
 985                dev_info(bus->dev, "no hda codecs found!\n");
 986        } else {
 987                dev_info(bus->dev, "hda codecs found, mask %lx\n",
 988                         bus->codec_mask);
 989
 990                for (i = 0; i < HDA_MAX_CODECS; i++) {
 991                        if (bus->codec_mask & (1 << i))
 992                                codec_num++;
 993                }
 994
 995                /*
 996                 * If no machine driver is found, then:
 997                 *
 998                 * generic hda machine driver can handle:
 999                 *  - one HDMI codec, and/or
1000                 *  - one external HDAudio codec
1001                 */
1002                if (!pdata->machine && codec_num <= 2) {
1003                        hda_mach = snd_soc_acpi_intel_hda_machines;
1004
1005                        dev_info(bus->dev, "using HDA machine driver %s now\n",
1006                                 hda_mach->drv_name);
1007
1008                        if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask))
1009                                idisp_str = "-idisp";
1010                        else
1011                                idisp_str = "";
1012
1013                        /* topology: use the info from hda_machines */
1014                        tplg_filename = hda_mach->sof_tplg_filename;
1015                        ret = dmic_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num);
1016                        if (ret < 0)
1017                                return ret;
1018
1019                        hda_mach->mach_params.dmic_num = dmic_num;
1020                        pdata->machine = hda_mach;
1021                        pdata->tplg_filename = tplg_filename;
1022
1023                        if (codec_num == 2) {
1024                                /*
1025                                 * Prevent SoundWire links from starting when an external
1026                                 * HDaudio codec is used
1027                                 */
1028                                hda_mach->mach_params.link_mask = 0;
1029                        }
1030                }
1031        }
1032
1033        /* used by hda machine driver to create dai links */
1034        if (pdata->machine) {
1035                mach_params = (struct snd_soc_acpi_mach_params *)
1036                        &pdata->machine->mach_params;
1037                mach_params->codec_mask = bus->codec_mask;
1038                mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi;
1039        }
1040
1041        return 0;
1042}
1043#else
1044static int hda_generic_machine_select(struct snd_sof_dev *sdev)
1045{
1046        return 0;
1047}
1048#endif
1049
1050#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
1051/* Check if all Slaves defined on the link can be found */
1052static bool link_slaves_found(struct snd_sof_dev *sdev,
1053                              const struct snd_soc_acpi_link_adr *link,
1054                              struct sdw_intel_ctx *sdw)
1055{
1056        struct hdac_bus *bus = sof_to_bus(sdev);
1057        struct sdw_intel_slave_id *ids = sdw->ids;
1058        int num_slaves = sdw->num_slaves;
1059        unsigned int part_id, link_id, unique_id, mfg_id;
1060        int i, j, k;
1061
1062        for (i = 0; i < link->num_adr; i++) {
1063                u64 adr = link->adr_d[i].adr;
1064                int reported_part_count = 0;
1065
1066                mfg_id = SDW_MFG_ID(adr);
1067                part_id = SDW_PART_ID(adr);
1068                link_id = SDW_DISCO_LINK_ID(adr);
1069
1070                for (j = 0; j < num_slaves; j++) {
1071                        /* find out how many identical parts were reported on that link */
1072                        if (ids[j].link_id == link_id &&
1073                            ids[j].id.part_id == part_id &&
1074                            ids[j].id.mfg_id == mfg_id)
1075                                reported_part_count++;
1076                }
1077
1078                for (j = 0; j < num_slaves; j++) {
1079                        int expected_part_count = 0;
1080
1081                        if (ids[j].link_id != link_id ||
1082                            ids[j].id.part_id != part_id ||
1083                            ids[j].id.mfg_id != mfg_id)
1084                                continue;
1085
1086                        /* find out how many identical parts are expected */
1087                        for (k = 0; k < link->num_adr; k++) {
1088                                u64 adr2 = link->adr_d[k].adr;
1089                                unsigned int part_id2, link_id2, mfg_id2;
1090
1091                                mfg_id2 = SDW_MFG_ID(adr2);
1092                                part_id2 = SDW_PART_ID(adr2);
1093                                link_id2 = SDW_DISCO_LINK_ID(adr2);
1094
1095                                if (link_id2 == link_id &&
1096                                    part_id2 == part_id &&
1097                                    mfg_id2 == mfg_id)
1098                                        expected_part_count++;
1099                        }
1100
1101                        if (reported_part_count == expected_part_count) {
1102                                /*
1103                                 * we have to check unique id
1104                                 * if there is more than one
1105                                 * Slave on the link
1106                                 */
1107                                unique_id = SDW_UNIQUE_ID(adr);
1108                                if (reported_part_count == 1 ||
1109                                    ids[j].id.unique_id == unique_id) {
1110                                        dev_dbg(bus->dev, "found %x at link %d\n",
1111                                                part_id, link_id);
1112                                        break;
1113                                }
1114                        } else {
1115                                dev_dbg(bus->dev, "part %x reported %d expected %d on link %d, skipping\n",
1116                                        part_id, reported_part_count, expected_part_count, link_id);
1117                        }
1118                }
1119                if (j == num_slaves) {
1120                        dev_dbg(bus->dev,
1121                                "Slave %x not found\n",
1122                                part_id);
1123                        return false;
1124                }
1125        }
1126        return true;
1127}
1128
1129static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
1130{
1131        struct snd_sof_pdata *pdata = sdev->pdata;
1132        const struct snd_soc_acpi_link_adr *link;
1133        struct snd_soc_acpi_mach *mach;
1134        struct sof_intel_hda_dev *hdev;
1135        u32 link_mask;
1136        int i;
1137
1138        hdev = pdata->hw_pdata;
1139        link_mask = hdev->info.link_mask;
1140
1141        /*
1142         * Select SoundWire machine driver if needed using the
1143         * alternate tables. This case deals with SoundWire-only
1144         * machines, for mixed cases with I2C/I2S the detection relies
1145         * on the HID list.
1146         */
1147        if (link_mask && !pdata->machine) {
1148                for (mach = pdata->desc->alt_machines;
1149                     mach && mach->link_mask; mach++) {
1150                        /*
1151                         * On some platforms such as Up Extreme all links
1152                         * are enabled but only one link can be used by
1153                         * external codec. Instead of exact match of two masks,
1154                         * first check whether link_mask of mach is subset of
1155                         * link_mask supported by hw and then go on searching
1156                         * link_adr
1157                         */
1158                        if (~link_mask & mach->link_mask)
1159                                continue;
1160
1161                        /* No need to match adr if there is no links defined */
1162                        if (!mach->links)
1163                                break;
1164
1165                        link = mach->links;
1166                        for (i = 0; i < hdev->info.count && link->num_adr;
1167                             i++, link++) {
1168                                /*
1169                                 * Try next machine if any expected Slaves
1170                                 * are not found on this link.
1171                                 */
1172                                if (!link_slaves_found(sdev, link, hdev->sdw))
1173                                        break;
1174                        }
1175                        /* Found if all Slaves are checked */
1176                        if (i == hdev->info.count || !link->num_adr)
1177                                break;
1178                }
1179                if (mach && mach->link_mask) {
1180                        int dmic_num = 0;
1181
1182                        pdata->machine = mach;
1183                        mach->mach_params.links = mach->links;
1184                        mach->mach_params.link_mask = mach->link_mask;
1185                        mach->mach_params.platform = dev_name(sdev->dev);
1186                        if (mach->sof_fw_filename)
1187                                pdata->fw_filename = mach->sof_fw_filename;
1188                        else
1189                                pdata->fw_filename = pdata->desc->default_fw_filename;
1190                        pdata->tplg_filename = mach->sof_tplg_filename;
1191
1192                        /*
1193                         * DMICs use up to 4 pins and are typically pin-muxed with SoundWire
1194                         * link 2 and 3, thus we only try to enable dmics if all conditions
1195                         * are true:
1196                         * a) link 2 and 3 are not used by SoundWire
1197                         * b) the NHLT table reports the presence of microphones
1198                         */
1199                        if (!(mach->link_mask & GENMASK(3, 2))) {
1200                                const char *tplg_filename = mach->sof_tplg_filename;
1201                                int ret;
1202
1203                                ret = dmic_topology_fixup(sdev, &tplg_filename, "", &dmic_num);
1204
1205                                if (ret < 0)
1206                                        return ret;
1207
1208                                pdata->tplg_filename = tplg_filename;
1209                        }
1210                        mach->mach_params.dmic_num = dmic_num;
1211
1212                        dev_dbg(sdev->dev,
1213                                "SoundWire machine driver %s topology %s\n",
1214                                mach->drv_name,
1215                                pdata->tplg_filename);
1216                } else {
1217                        dev_info(sdev->dev,
1218                                 "No SoundWire machine driver found\n");
1219                }
1220        }
1221
1222        return 0;
1223}
1224#else
1225static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
1226{
1227        return 0;
1228}
1229#endif
1230
1231void hda_set_mach_params(const struct snd_soc_acpi_mach *mach,
1232                         struct snd_sof_dev *sdev)
1233{
1234        struct snd_sof_pdata *pdata = sdev->pdata;
1235        const struct sof_dev_desc *desc = pdata->desc;
1236        struct snd_soc_acpi_mach_params *mach_params;
1237
1238        mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params;
1239        mach_params->platform = dev_name(sdev->dev);
1240        mach_params->num_dai_drivers = desc->ops->num_drv;
1241        mach_params->dai_drivers = desc->ops->drv;
1242}
1243
1244void hda_machine_select(struct snd_sof_dev *sdev)
1245{
1246        struct snd_sof_pdata *sof_pdata = sdev->pdata;
1247        const struct sof_dev_desc *desc = sof_pdata->desc;
1248        struct snd_soc_acpi_mach *mach;
1249
1250        mach = snd_soc_acpi_find_machine(desc->machines);
1251        if (mach) {
1252                /*
1253                 * If tplg file name is overridden, use it instead of
1254                 * the one set in mach table
1255                 */
1256                if (!sof_pdata->tplg_filename)
1257                        sof_pdata->tplg_filename = mach->sof_tplg_filename;
1258
1259                sof_pdata->machine = mach;
1260
1261                if (mach->link_mask) {
1262                        mach->mach_params.links = mach->links;
1263                        mach->mach_params.link_mask = mach->link_mask;
1264                }
1265        }
1266
1267        /*
1268         * If I2S fails, try SoundWire
1269         */
1270        hda_sdw_machine_select(sdev);
1271
1272        /*
1273         * Choose HDA generic machine driver if mach is NULL.
1274         * Otherwise, set certain mach params.
1275         */
1276        hda_generic_machine_select(sdev);
1277
1278        if (!sof_pdata->machine)
1279                dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
1280}
1281
1282int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1283{
1284        int ret;
1285
1286        ret = snd_intel_dsp_driver_probe(pci);
1287        if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
1288                dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n");
1289                return -ENODEV;
1290        }
1291
1292        return sof_pci_probe(pci, pci_id);
1293}
1294EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_COMMON);
1295
1296MODULE_LICENSE("Dual BSD/GPL");
1297MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
1298MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC);
1299MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
1300MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
1301MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI);
1302MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT);
1303