hda_intel.c

static u16 pci_azx_readw(u16 __iomem *addr)
{
	return readw(addr);
}

static void pci_azx_writeb(u8 value, u8 __iomem *addr)
{
	writeb(value, addr);
}

static u8 pci_azx_readb(u8 __iomem *addr)
{
	return readb(addr);
}

static int disable_msi_reset_irq(struct azx *chip)
{
	struct hdac_bus *bus = azx_bus(chip);
	int err;

	free_irq(bus->irq, chip);
	bus->irq = -1;
	pci_disable_msi(chip->pci);
	chip->msi = 0;
	err = azx_acquire_irq(chip, 1);
	if (err < 0)
		return err;

	return 0;
}

/* DMA page allocation helpers.  */
static int dma_alloc_pages(struct hdac_bus *bus,
			   int type,
			   size_t size,
			   struct snd_dma_buffer *buf)
{
	struct azx *chip = bus_to_azx(bus);
	int err;

	err = snd_dma_alloc_pages(type,
				  bus->dev,
				  size, buf);
	if (err < 0)
		return err;
	mark_pages_wc(chip, buf, true);
	return 0;
}

static void dma_free_pages(struct hdac_bus *bus, struct snd_dma_buffer *buf)
{
	struct azx *chip = bus_to_azx(bus);

	mark_pages_wc(chip, buf, false);
	snd_dma_free_pages(buf);
}

static int substream_alloc_pages(struct azx *chip,
				 struct snd_pcm_substream *substream,
				 size_t size)
{
	struct azx_dev *azx_dev = get_azx_dev(substream);
	int ret;

	mark_runtime_wc(chip, azx_dev, substream, false);
	ret = snd_pcm_lib_malloc_pages(substream, size);
	if (ret < 0)
		return ret;
	mark_runtime_wc(chip, azx_dev, substream, true);
	return 0;
}

static int substream_free_pages(struct azx *chip,
				struct snd_pcm_substream *substream)
{
	struct azx_dev *azx_dev = get_azx_dev(substream);
	mark_runtime_wc(chip, azx_dev, substream, false);
	return snd_pcm_lib_free_pages(substream);
}

static void pcm_mmap_prepare(struct snd_pcm_substream *substream,
			     struct vm_area_struct *area)
{
#ifdef CONFIG_X86
	struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
	struct azx *chip = apcm->chip;
	if (!azx_snoop(chip) && chip->driver_type != AZX_DRIVER_CMEDIA)
		area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
#endif
}

static const struct hdac_io_ops pci_hda_io_ops = {
	.reg_writel = pci_azx_writel,
	.reg_readl = pci_azx_readl,
	.reg_writew = pci_azx_writew,
	.reg_readw = pci_azx_readw,
	.reg_writeb = pci_azx_writeb,
	.reg_readb = pci_azx_readb,
	.dma_alloc_pages = dma_alloc_pages,
	.dma_free_pages = dma_free_pages,
};

static const struct hda_controller_ops pci_hda_ops = {
	.disable_msi_reset_irq = disable_msi_reset_irq,
	.substream_alloc_pages = substream_alloc_pages,
	.substream_free_pages = substream_free_pages,
	.pcm_mmap_prepare = pcm_mmap_prepare,
	.position_check = azx_position_check,
	.link_power = azx_intel_link_power,
};

static int azx_probe(struct pci_dev *pci,
		     const struct pci_device_id *pci_id)
{
	static int dev;
	struct snd_card *card;
	struct hda_intel *hda;
	struct azx *chip;
	bool schedule_probe;
	int err;

	if (dev >= SNDRV_CARDS)
		return -ENODEV;
	if (!enable[dev]) {
		dev++;
		return -ENOENT;
	}

	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
			   0, &card);
	if (err < 0) {
		dev_err(&pci->dev, "Error creating card!\n");
		return err;
	}

	err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
	if (err < 0)
		goto out_free;
	card->private_data = chip;
	hda = container_of(chip, struct hda_intel, chip);

	pci_set_drvdata(pci, card);

	err = register_vga_switcheroo(chip);
	if (err < 0) {
		dev_err(card->dev, "Error registering vga_switcheroo client\n");
		goto out_free;
	}

	if (check_hdmi_disabled(pci)) {
		dev_info(card->dev, "VGA controller is disabled\n");
		dev_info(card->dev, "Delaying initialization\n");
		chip->disabled = true;
	}

	schedule_probe = !chip->disabled;

#ifdef CONFIG_SND_HDA_PATCH_LOADER
	if (patch[dev] && *patch[dev]) {
		dev_info(card->dev, "Applying patch firmware '%s'\n",
			 patch[dev]);
		err = request_firmware_nowait(THIS_MODULE, true, patch[dev],
					      &pci->dev, GFP_KERNEL, card,
					      azx_firmware_cb);
		if (err < 0)
			goto out_free;
		schedule_probe = false; /* continued in azx_firmware_cb() */
	}
#endif /* CONFIG_SND_HDA_PATCH_LOADER */

#ifndef CONFIG_SND_HDA_I915
	if (CONTROLLER_IN_GPU(pci))
		dev_err(card->dev, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n");
#endif

	if (schedule_probe)
		schedule_work(&hda->probe_work);

	dev++;
	if (chip->disabled)
		complete_all(&hda->probe_wait);
	return 0;

out_free:
	snd_card_free(card);
	return err;
}

/* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = {
	[AZX_DRIVER_NVIDIA] = 8,
	[AZX_DRIVER_TERA] = 1,
};

static int azx_probe_continue(struct azx *chip)
{
	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
	struct hdac_bus *bus = azx_bus(chip);
	struct pci_dev *pci = chip->pci;
	int dev = chip->dev_index;
	int err;

	hda->probe_continued = 1;

	/* bind with i915 if needed */
	if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT) {
		err = snd_hdac_i915_init(bus);
		if (err < 0) {
			/* if the controller is bound only with HDMI/DP
			 * (for HSW and BDW), we need to abort the probe;
			 * for other chips, still continue probing as other
			 * codecs can be on the same link.
			 */
			if (CONTROLLER_IN_GPU(pci)) {
				dev_err(chip->card->dev,
					"HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n");
				goto out_free;
			} else {
				/* don't bother any longer */
				chip->driver_caps &=
					~(AZX_DCAPS_I915_COMPONENT | AZX_DCAPS_I915_POWERWELL);
			}
		}
	}

	/* Request display power well for the HDA controller or codec. For
	 * Haswell/Broadwell, both the display HDA controller and codec need
	 * this power. For other platforms, like Baytrail/Braswell, only the
	 * display codec needs the power and it can be released after probe.
	 */
	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
		/* HSW/BDW controllers need this power */
		if (CONTROLLER_IN_GPU(pci))
			hda->need_i915_power = 1;

		err = snd_hdac_display_power(bus, true);
		if (err < 0) {
			dev_err(chip->card->dev,
				"Cannot turn on display power on i915\n");
			goto i915_power_fail;
		}
	}

	err = azx_first_init(chip);
	if (err < 0)
		goto out_free;

#ifdef CONFIG_SND_HDA_INPUT_BEEP
	chip->beep_mode = beep_mode[dev];
#endif

	/* create codec instances */
	err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]);
	if (err < 0)
		goto out_free;

#ifdef CONFIG_SND_HDA_PATCH_LOADER
	if (chip->fw) {
		err = snd_hda_load_patch(&chip->bus, chip->fw->size,
					 chip->fw->data);
		if (err < 0)
			goto out_free;
#ifndef CONFIG_PM
		release_firmware(chip->fw); /* no longer needed */
		chip->fw = NULL;
#endif
	}
#endif
	if ((probe_only[dev] & 1) == 0) {
		err = azx_codec_configure(chip);
		if (err < 0)
			goto out_free;
	}

	err = snd_card_register(chip->card);
	if (err < 0)
		goto out_free;

	chip->running = 1;
	azx_add_card_list(chip);
	snd_hda_set_power_save(&chip->bus, power_save * 1000);
	if (azx_has_pm_runtime(chip) || hda->use_vga_switcheroo)
		pm_runtime_put_autosuspend(&pci->dev);

out_free:
	if ((chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
		&& !hda->need_i915_power)
		snd_hdac_display_power(bus, false);

i915_power_fail:
	if (err < 0)
		hda->init_failed = 1;
	complete_all(&hda->probe_wait);
	return err;
}

static void azx_remove(struct pci_dev *pci)
{
	struct snd_card *card = pci_get_drvdata(pci);
	struct azx *chip;
	struct hda_intel *hda;

	if (card) {
		/* cancel the pending probing work */
		chip = card->private_data;
		hda = container_of(chip, struct hda_intel, chip);
		/* FIXME: below is an ugly workaround.
		 * Both device_release_driver() and driver_probe_device()
		 * take *both* the device's and its parent's lock before
		 * calling the remove() and probe() callbacks.  The codec
		 * probe takes the locks of both the codec itself and its
		 * parent, i.e. the PCI controller dev.  Meanwhile, when
		 * the PCI controller is unbound, it takes its lock, too
		 * ==> ouch, a deadlock!
		 * As a workaround, we unlock temporarily here the controller
		 * device during cancel_work_sync() call.
		 */
		device_unlock(&pci->dev);
		cancel_work_sync(&hda->probe_work);
		device_lock(&pci->dev);

		snd_card_free(card);
	}
}

static void azx_shutdown(struct pci_dev *pci)
{
	struct snd_card *card = pci_get_drvdata(pci);
	struct azx *chip;

	if (!card)
		return;
	chip = card->private_data;
	if (chip && chip->running)
		azx_stop_chip(chip);
}

/* PCI IDs */
static const struct pci_device_id azx_ids[] = {
	/* CPT */
	{ PCI_DEVICE(0x8086, 0x1c20),
	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
	/* PBG */
	{ PCI_DEVICE(0x8086, 0x1d20),
	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
	/* Panther Point */
	{ PCI_DEVICE(0x8086, 0x1e20),
	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
	/* Lynx Point */
	{ PCI_DEVICE(0x8086, 0x8c20),
	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
	/* 9 Series */
	{ PCI_DEVICE(0x8086, 0x8ca0),
	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
	/* Wellsburg */
	{ PCI_DEVICE(0x8086, 0x8d20),
	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
	{ PCI_DEVICE(0x8086, 0x8d21),
	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
	/* Lewisburg */
	{ PCI_DEVICE(0x8086, 0xa1f0),
	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
	{ PCI_DEVICE(0x8086, 0xa270),
	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
	/* Lynx Point-LP */
	{ PCI_DEVICE(0x8086, 0x9c20),
	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
	/* Lynx Point-LP */
	{ PCI_DEVICE(0x8086, 0x9c21),
	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
	/* Wildcat Point-LP */
	{ PCI_DEVICE(0x8086, 0x9ca0),
	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
	/* Sunrise Point */
	{ PCI_DEVICE(0x8086, 0xa170),
	  .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
	/* Sunrise Point-LP */
	{ PCI_DEVICE(0x8086, 0x9d70),
	  .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
	/* Kabylake */
	{ PCI_DEVICE(0x8086, 0xa171),
	  .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
	/* Kabylake-LP */
	{ PCI_DEVICE(0x8086, 0x9d71),
	  .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
	/* Kabylake-H */
	{ PCI_DEVICE(0x8086, 0xa2f0),
	  .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
	/* Coffelake */
	{ PCI_DEVICE(0x8086, 0xa348),
	  .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
	/* Broxton-P(Apollolake) */
	{ PCI_DEVICE(0x8086, 0x5a98),
	  .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON },
	/* Broxton-T */
	{ PCI_DEVICE(0x8086, 0x1a98),
	  .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON },
	/* Gemini-Lake */
	{ PCI_DEVICE(0x8086, 0x3198),
	  .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON },
	/* Haswell */
	{ PCI_DEVICE(0x8086, 0x0a0c),
	  .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
	{ PCI_DEVICE(0x8086, 0x0c0c),
	  .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
	{ PCI_DEVICE(0x8086, 0x0d0c),
	  .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
	/* Broadwell */
	{ PCI_DEVICE(0x8086, 0x160c),
	  .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL },
	/* 5 Series/3400 */
	{ PCI_DEVICE(0x8086, 0x3b56),
	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
	/* Poulsbo */
	{ PCI_DEVICE(0x8086, 0x811b),
	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
	/* Oaktrail */
	{ PCI_DEVICE(0x8086, 0x080a),
	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
	/* BayTrail */
	{ PCI_DEVICE(0x8086, 0x0f04),
	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BAYTRAIL },
	/* Braswell */
	{ PCI_DEVICE(0x8086, 0x2284),
	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL },
	/* ICH6 */
	{ PCI_DEVICE(0x8086, 0x2668),
	  .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
	/* ICH7 */
	{ PCI_DEVICE(0x8086, 0x27d8),
	  .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
	/* ESB2 */
	{ PCI_DEVICE(0x8086, 0x269a),
	  .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
	/* ICH8 */
	{ PCI_DEVICE(0x8086, 0x284b),
	  .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
	/* ICH9 */
	{ PCI_DEVICE(0x8086, 0x293e),
	  .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
	/* ICH9 */
	{ PCI_DEVICE(0x8086, 0x293f),
	  .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
	/* ICH10 */
	{ PCI_DEVICE(0x8086, 0x3a3e),
	  .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
	/* ICH10 */
	{ PCI_DEVICE(0x8086, 0x3a6e),
	  .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
	/* Generic Intel */
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
	  .class_mask = 0xffffff,
	  .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_NO_ALIGN_BUFSIZE },
	/* ATI SB 450/600/700/800/900 */
	{ PCI_DEVICE(0x1002, 0x437b),
	  .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
	{ PCI_DEVICE(0x1002, 0x4383),
	  .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
	/* AMD Hudson */
	{ PCI_DEVICE(0x1022, 0x780d),
	  .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
	/* ATI HDMI */
	{ PCI_DEVICE(0x1002, 0x0002),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	{ PCI_DEVICE(0x1002, 0x1308),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	{ PCI_DEVICE(0x1002, 0x157a),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	{ PCI_DEVICE(0x1002, 0x15b3),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	{ PCI_DEVICE(0x1002, 0x793b),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0x7919),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0x960f),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0x970f),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0x9840),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	{ PCI_DEVICE(0x1002, 0xaa00),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa08),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa10),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa18),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa20),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa28),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa30),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa38),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa40),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa48),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa50),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa58),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa60),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa68),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa80),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa88),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa90),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0xaa98),
	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(0x1002, 0x9902),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	{ PCI_DEVICE(0x1002, 0xaaa0),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	{ PCI_DEVICE(0x1002, 0xaaa8),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	{ PCI_DEVICE(0x1002, 0xaab0),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	{ PCI_DEVICE(0x1002, 0xaac0),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	{ PCI_DEVICE(0x1002, 0xaac8),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	{ PCI_DEVICE(0x1002, 0xaad8),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	{ PCI_DEVICE(0x1002, 0xaae8),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	{ PCI_DEVICE(0x1002, 0xaae0),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	{ PCI_DEVICE(0x1002, 0xaaf0),
	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
	/* VIA VT8251/VT8237A */
	{ PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA },
	/* VIA GFX VT7122/VX900 */
	{ PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC },
	/* VIA GFX VT6122/VX11 */
	{ PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC },
	/* SIS966 */
	{ PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
	/* ULI M5461 */
	{ PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
	/* NVIDIA MCP */
	{ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
	  .class_mask = 0xffffff,
	  .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA },
	/* Teradici */
	{ PCI_DEVICE(0x6549, 0x1200),
	  .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
	{ PCI_DEVICE(0x6549, 0x2200),
	  .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
	/* Creative X-Fi (CA0110-IBG) */
	/* CTHDA chips */
	{ PCI_DEVICE(0x1102, 0x0010),
	  .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
	{ PCI_DEVICE(0x1102, 0x0012),
	  .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
#if !IS_ENABLED(CONFIG_SND_CTXFI)
	/* the following entry conflicts with snd-ctxfi driver,
	 * as ctxfi driver mutates from HD-audio to native mode with
	 * a special command sequence.
	 */
	{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
	  .class_mask = 0xffffff,
	  .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
	  AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
#else
	/* this entry seems still valid -- i.e. without emu20kx chip */
	{ PCI_DEVICE(0x1102, 0x0009),
	  .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
	  AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
#endif
	/* CM8888 */
	{ PCI_DEVICE(0x13f6, 0x5011),
	  .driver_data = AZX_DRIVER_CMEDIA |
	  AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF },
	/* Vortex86MX */
	{ PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
	/* VMware HDAudio */
	{ PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
	/* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
	{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
	  .class_mask = 0xffffff,
	  .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
	  .class_mask = 0xffffff,
	  .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
	{ 0, }
};
MODULE_DEVICE_TABLE(pci, azx_ids);

/* pci_driver definition */
static struct pci_driver azx_driver = {
	.name = KBUILD_MODNAME,
	.id_table = azx_ids,
	.probe = azx_probe,
	.remove = azx_remove,
	.shutdown = azx_shutdown,
	.driver = {
		.pm = AZX_PM_OPS,
	},
};

module_pci_driver(azx_driver);