hda_intel.c

	}
}

/* clear irq_pending flags and assure no on-going workq */
static void azx_clear_irq_pending(struct azx *chip)
{
	int i;

	spin_lock_irq(&chip->reg_lock);
	for (i = 0; i < chip->num_streams; i++)
		chip->azx_dev[i].irq_pending = 0;
	spin_unlock_irq(&chip->reg_lock);
}

static struct snd_pcm_ops azx_pcm_ops = {
	.open = azx_pcm_open,
	.close = azx_pcm_close,
	.ioctl = snd_pcm_lib_ioctl,
	.hw_params = azx_pcm_hw_params,
	.hw_free = azx_pcm_hw_free,
	.prepare = azx_pcm_prepare,
	.trigger = azx_pcm_trigger,
	.pointer = azx_pcm_pointer,
	.page = snd_pcm_sgbuf_ops_page,
};

static void azx_pcm_free(struct snd_pcm *pcm)
{
	struct azx_pcm *apcm = pcm->private_data;
	if (apcm) {
		apcm->chip->pcm[pcm->device] = NULL;
		kfree(apcm);
	}
}

static int
azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec,
		      struct hda_pcm *cpcm)
{
	struct azx *chip = bus->private_data;
	struct snd_pcm *pcm;
	struct azx_pcm *apcm;
	int pcm_dev = cpcm->device;
	int s, err;

	if (pcm_dev >= HDA_MAX_PCMS) {
		snd_printk(KERN_ERR SFX "Invalid PCM device number %d\n",
			   pcm_dev);
		return -EINVAL;
	}
	if (chip->pcm[pcm_dev]) {
		snd_printk(KERN_ERR SFX "PCM %d already exists\n", pcm_dev);
		return -EBUSY;
	}
	err = snd_pcm_new(chip->card, cpcm->name, pcm_dev,
			  cpcm->stream[SNDRV_PCM_STREAM_PLAYBACK].substreams,
			  cpcm->stream[SNDRV_PCM_STREAM_CAPTURE].substreams,
			  &pcm);
	if (err < 0)
		return err;
	strlcpy(pcm->name, cpcm->name, sizeof(pcm->name));
	apcm = kzalloc(sizeof(*apcm), GFP_KERNEL);
	if (apcm == NULL)
		return -ENOMEM;
	apcm->chip = chip;
	apcm->codec = codec;
	pcm->private_data = apcm;
	pcm->private_free = azx_pcm_free;
	if (cpcm->pcm_type == HDA_PCM_TYPE_MODEM)
		pcm->dev_class = SNDRV_PCM_CLASS_MODEM;
	chip->pcm[pcm_dev] = pcm;
	cpcm->pcm = pcm;
	for (s = 0; s < 2; s++) {
		apcm->hinfo[s] = &cpcm->stream[s];
		if (cpcm->stream[s].substreams)
			snd_pcm_set_ops(pcm, s, &azx_pcm_ops);
	}
	/* buffer pre-allocation */
	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
					      snd_dma_pci_data(chip->pci),
					      1024 * 64, 32 * 1024 * 1024);
	return 0;
}

/*
 * mixer creation - all stuff is implemented in hda module
 */
static int __devinit azx_mixer_create(struct azx *chip)
{
	return snd_hda_build_controls(chip->bus);
}


/*
 * initialize SD streams
 */
static int __devinit azx_init_stream(struct azx *chip)
{
	int i;

	/* initialize each stream (aka device)
	 * assign the starting bdl address to each stream (device)
	 * and initialize
	 */
	for (i = 0; i < chip->num_streams; i++) {
		struct azx_dev *azx_dev = &chip->azx_dev[i];
		azx_dev->posbuf = (u32 __iomem *)(chip->posbuf.area + i * 8);
		/* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
		azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
		/* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */
		azx_dev->sd_int_sta_mask = 1 << i;
		/* stream tag: must be non-zero and unique */
		azx_dev->index = i;
		azx_dev->stream_tag = i + 1;
	}

	return 0;
}

static int azx_acquire_irq(struct azx *chip, int do_disconnect)
{
	if (request_irq(chip->pci->irq, azx_interrupt,
			chip->msi ? 0 : IRQF_SHARED,
			"hda_intel", chip)) {
		printk(KERN_ERR "hda-intel: unable to grab IRQ %d, "
		       "disabling device\n", chip->pci->irq);
		if (do_disconnect)
			snd_card_disconnect(chip->card);
		return -1;
	}
	chip->irq = chip->pci->irq;
	pci_intx(chip->pci, !chip->msi);
	return 0;
}


static void azx_stop_chip(struct azx *chip)
{
	if (!chip->initialized)
		return;

	/* disable interrupts */
	azx_int_disable(chip);
	azx_int_clear(chip);

	/* disable CORB/RIRB */
	azx_free_cmd_io(chip);

	/* disable position buffer */
	azx_writel(chip, DPLBASE, 0);
	azx_writel(chip, DPUBASE, 0);

	chip->initialized = 0;
}

#ifdef CONFIG_SND_HDA_POWER_SAVE
/* power-up/down the controller */
static void azx_power_notify(struct hda_bus *bus)
{
	struct azx *chip = bus->private_data;
	struct hda_codec *c;
	int power_on = 0;

	list_for_each_entry(c, &bus->codec_list, list) {
		if (c->power_on) {
			power_on = 1;
			break;
		}
	}
	if (power_on)
		azx_init_chip(chip, 1);
	else if (chip->running && power_save_controller &&
		 !bus->power_keep_link_on)
		azx_stop_chip(chip);
}
#endif /* CONFIG_SND_HDA_POWER_SAVE */

#ifdef CONFIG_PM
/*
 * power management
 */

static int snd_hda_codecs_inuse(struct hda_bus *bus)
{
	struct hda_codec *codec;

	list_for_each_entry(codec, &bus->codec_list, list) {
		if (snd_hda_codec_needs_resume(codec))
			return 1;
	}
	return 0;
}

static int azx_suspend(struct pci_dev *pci, pm_message_t state)
{
	struct snd_card *card = pci_get_drvdata(pci);
	struct azx *chip = card->private_data;
	int i;

	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	azx_clear_irq_pending(chip);
	for (i = 0; i < HDA_MAX_PCMS; i++)
		snd_pcm_suspend_all(chip->pcm[i]);
	if (chip->initialized)
		snd_hda_suspend(chip->bus);
	azx_stop_chip(chip);
	if (chip->irq >= 0) {
		free_irq(chip->irq, chip);
		chip->irq = -1;
	}
	if (chip->msi)
		pci_disable_msi(chip->pci);
	pci_disable_device(pci);
	pci_save_state(pci);
	pci_set_power_state(pci, pci_choose_state(pci, state));
	return 0;
}

static int azx_resume(struct pci_dev *pci)
{
	struct snd_card *card = pci_get_drvdata(pci);
	struct azx *chip = card->private_data;

	pci_set_power_state(pci, PCI_D0);
	pci_restore_state(pci);
	if (pci_enable_device(pci) < 0) {
		printk(KERN_ERR "hda-intel: pci_enable_device failed, "
		       "disabling device\n");
		snd_card_disconnect(card);
		return -EIO;
	}
	pci_set_master(pci);
	if (chip->msi)
		if (pci_enable_msi(pci) < 0)
			chip->msi = 0;
	if (azx_acquire_irq(chip, 1) < 0)
		return -EIO;
	azx_init_pci(chip);

	if (snd_hda_codecs_inuse(chip->bus))
		azx_init_chip(chip, 1);

	snd_hda_resume(chip->bus);
	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	return 0;
}
#endif /* CONFIG_PM */


/*
 * reboot notifier for hang-up problem at power-down
 */
static int azx_halt(struct notifier_block *nb, unsigned long event, void *buf)
{
	struct azx *chip = container_of(nb, struct azx, reboot_notifier);
	snd_hda_bus_reboot_notify(chip->bus);
	azx_stop_chip(chip);
	return NOTIFY_OK;
}

static void azx_notifier_register(struct azx *chip)
{
	chip->reboot_notifier.notifier_call = azx_halt;
	register_reboot_notifier(&chip->reboot_notifier);
}

static void azx_notifier_unregister(struct azx *chip)
{
	if (chip->reboot_notifier.notifier_call)
		unregister_reboot_notifier(&chip->reboot_notifier);
}

/*
 * destructor
 */
static int azx_free(struct azx *chip)
{
	int i;

	azx_notifier_unregister(chip);

	if (chip->initialized) {
		azx_clear_irq_pending(chip);
		for (i = 0; i < chip->num_streams; i++)
			azx_stream_stop(chip, &chip->azx_dev[i]);
		azx_stop_chip(chip);
	}

	if (chip->irq >= 0)
		free_irq(chip->irq, (void*)chip);
	if (chip->msi)
		pci_disable_msi(chip->pci);
	if (chip->remap_addr)
		iounmap(chip->remap_addr);

	if (chip->azx_dev) {
		for (i = 0; i < chip->num_streams; i++)
			if (chip->azx_dev[i].bdl.area)
				snd_dma_free_pages(&chip->azx_dev[i].bdl);
	}
	if (chip->rb.area)
		snd_dma_free_pages(&chip->rb);
	if (chip->posbuf.area)
		snd_dma_free_pages(&chip->posbuf);
	pci_release_regions(chip->pci);
	pci_disable_device(chip->pci);
	kfree(chip->azx_dev);
	kfree(chip);

	return 0;
}

static int azx_dev_free(struct snd_device *device)
{
	return azx_free(device->device_data);
}

/*
 * white/black-listing for position_fix
 */
static struct snd_pci_quirk position_fix_list[] __devinitdata = {
	SND_PCI_QUIRK(0x1025, 0x009f, "Acer Aspire 5110", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1025, 0x026f, "Acer Aspire 5538", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1028, 0x01f6, "Dell Latitude 131L", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1028, 0x0470, "Dell Inspiron 1120", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1043, 0x8410, "ASUS", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1106, 0x3288, "ASUS M2V-MX SE", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1179, 0xff10, "Toshiba A100-259", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1565, 0x820f, "Biostar Microtech", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB),
	SND_PCI_QUIRK(0x8086, 0xd601, "eMachines T5212", POS_FIX_LPIB),
	{}
};

static int __devinit check_position_fix(struct azx *chip, int fix)
{
	const struct snd_pci_quirk *q;

	switch (fix) {
	case POS_FIX_LPIB:
	case POS_FIX_POSBUF:
	case POS_FIX_VIACOMBO:
		return fix;
	}

	q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
	if (q) {
		printk(KERN_INFO
		       "hda_intel: position_fix set to %d "
		       "for device %04x:%04x\n",
		       q->value, q->subvendor, q->subdevice);
		return q->value;
	}

	/* Check VIA/ATI HD Audio Controller exist */
	switch (chip->driver_type) {
	case AZX_DRIVER_VIA:
		/* Use link position directly, avoid any transfer problem. */
		return POS_FIX_VIACOMBO;
	case AZX_DRIVER_ATI:
		/* ATI chipsets don't work well with position-buffer */
		return POS_FIX_LPIB;
	case AZX_DRIVER_GENERIC:
		/* AMD chipsets also don't work with position-buffer */
		if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
			return POS_FIX_LPIB;
		break;
	}

	return POS_FIX_AUTO;
}

/*
 * black-lists for probe_mask
 */
static struct snd_pci_quirk probe_mask_list[] __devinitdata = {
	/* Thinkpad often breaks the controller communication when accessing
	 * to the non-working (or non-existing) modem codec slot.
	 */
	SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
	SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
	SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
	/* broken BIOS */
	SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
	/* including bogus ALC268 in slot#2 that conflicts with ALC888 */
	SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
	/* forced codec slots */
	SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
	SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
	{}
};

#define AZX_FORCE_CODEC_MASK	0x100

static void __devinit check_probe_mask(struct azx *chip, int dev)
{
	const struct snd_pci_quirk *q;

	chip->codec_probe_mask = probe_mask[dev];
	if (chip->codec_probe_mask == -1) {
		q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
		if (q) {
			printk(KERN_INFO
			       "hda_intel: probe_mask set to 0x%x "
			       "for device %04x:%04x\n",
			       q->value, q->subvendor, q->subdevice);
			chip->codec_probe_mask = q->value;
		}
	}

	/* check forced option */
	if (chip->codec_probe_mask != -1 &&
	    (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
		chip->codec_mask = chip->codec_probe_mask & 0xff;
		printk(KERN_INFO "hda_intel: codec_mask forced to 0x%x\n",
		       chip->codec_mask);
	}
}

/*
 * white/black-list for enable_msi
 */
static struct snd_pci_quirk msi_black_list[] __devinitdata = {
	SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
	SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
	SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
	SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
	SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
	{}
};

static void __devinit check_msi(struct azx *chip)
{
	const struct snd_pci_quirk *q;

	if (enable_msi >= 0) {
		chip->msi = !!enable_msi;
		return;
	}
	chip->msi = 1;	/* enable MSI as default */
	q = snd_pci_quirk_lookup(chip->pci, msi_black_list);
	if (q) {
		printk(KERN_INFO
		       "hda_intel: msi for device %04x:%04x set to %d\n",
		       q->subvendor, q->subdevice, q->value);
		chip->msi = q->value;
		return;
	}

	/* NVidia chipsets seem to cause troubles with MSI */
	if (chip->driver_type == AZX_DRIVER_NVIDIA) {
		printk(KERN_INFO "hda_intel: Disable MSI for Nvidia chipset\n");
		chip->msi = 0;
	}
}


/*
 * constructor
 */
static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
				int dev, int driver_type,
				struct azx **rchip)
{
	struct azx *chip;
	int i, err;
	unsigned short gcap;
	static struct snd_device_ops ops = {
		.dev_free = azx_dev_free,
	};

	*rchip = NULL;

	err = pci_enable_device(pci);
	if (err < 0)
		return err;

	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
	if (!chip) {
		snd_printk(KERN_ERR SFX "cannot allocate chip\n");
		pci_disable_device(pci);
		return -ENOMEM;
	}

	spin_lock_init(&chip->reg_lock);
	mutex_init(&chip->open_mutex);
	chip->card = card;
	chip->pci = pci;
	chip->irq = -1;
	chip->driver_type = driver_type;
	check_msi(chip);
	chip->dev_index = dev;
	INIT_WORK(&chip->irq_pending_work, azx_irq_pending_work);

	chip->position_fix[0] = chip->position_fix[1] =
		check_position_fix(chip, position_fix[dev]);
	check_probe_mask(chip, dev);

	chip->single_cmd = single_cmd;

	if (bdl_pos_adj[dev] < 0) {
		switch (chip->driver_type) {
		case AZX_DRIVER_ICH:
		case AZX_DRIVER_PCH:
			bdl_pos_adj[dev] = 1;
			break;
		default:
			bdl_pos_adj[dev] = 32;
			break;
		}
	}

#if BITS_PER_LONG != 64
	/* Fix up base address on ULI M5461 */
	if (chip->driver_type == AZX_DRIVER_ULI) {
		u16 tmp3;
		pci_read_config_word(pci, 0x40, &tmp3);
		pci_write_config_word(pci, 0x40, tmp3 | 0x10);
		pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
	}
#endif

	err = pci_request_regions(pci, "ICH HD audio");
	if (err < 0) {
		kfree(chip);
		pci_disable_device(pci);
		return err;
	}

	chip->addr = pci_resource_start(pci, 0);
	chip->remap_addr = pci_ioremap_bar(pci, 0);
	if (chip->remap_addr == NULL) {
		snd_printk(KERN_ERR SFX "ioremap error\n");
		err = -ENXIO;
		goto errout;
	}

	if (chip->msi)
		if (pci_enable_msi(pci) < 0)
			chip->msi = 0;

	if (azx_acquire_irq(chip, 0) < 0) {
		err = -EBUSY;
		goto errout;
	}

	pci_set_master(pci);
	synchronize_irq(chip->irq);

	gcap = azx_readw(chip, GCAP);
	snd_printdd(SFX "chipset global capabilities = 0x%x\n", gcap);

	/* disable SB600 64bit support for safety */
	if ((chip->driver_type == AZX_DRIVER_ATI) ||
	    (chip->driver_type == AZX_DRIVER_ATIHDMI)) {
		struct pci_dev *p_smbus;
		p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
					 PCI_DEVICE_ID_ATI_SBX00_SMBUS,
					 NULL);
		if (p_smbus) {
			if (p_smbus->revision < 0x30)
				gcap &= ~ICH6_GCAP_64OK;
			pci_dev_put(p_smbus);
		}
	} else {
		/* FIXME: not sure whether this is really needed, but
		 * Hudson isn't stable enough for allowing everything...
		 * let's check later again.
		 */
		if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
			gcap &= ~ICH6_GCAP_64OK;
	}

	/* disable 64bit DMA address for Teradici */
	/* it does not work with device 6549:1200 subsys e4a2:040b */
	if (chip->driver_type == AZX_DRIVER_TERA)
		gcap &= ~ICH6_GCAP_64OK;

	/* allow 64bit DMA address if supported by H/W */
	if ((gcap & ICH6_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
		pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(64));
	else {
		pci_set_dma_mask(pci, DMA_BIT_MASK(32));
		pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32));
	}

	/* read number of streams from GCAP register instead of using
	 * hardcoded value
	 */
	chip->capture_streams = (gcap >> 8) & 0x0f;
	chip->playback_streams = (gcap >> 12) & 0x0f;
	if (!chip->playback_streams && !chip->capture_streams) {
		/* gcap didn't give any info, switching to old method */

		switch (chip->driver_type) {
		case AZX_DRIVER_ULI:
			chip->playback_streams = ULI_NUM_PLAYBACK;
			chip->capture_streams = ULI_NUM_CAPTURE;
			break;
		case AZX_DRIVER_ATIHDMI:
			chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
			chip->capture_streams = ATIHDMI_NUM_CAPTURE;
			break;
		case AZX_DRIVER_GENERIC:
		default:
			chip->playback_streams = ICH6_NUM_PLAYBACK;
			chip->capture_streams = ICH6_NUM_CAPTURE;
			break;
		}
	}
	chip->capture_index_offset = 0;
	chip->playback_index_offset = chip->capture_streams;
	chip->num_streams = chip->playback_streams + chip->capture_streams;
	chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev),
				GFP_KERNEL);
	if (!chip->azx_dev) {
		snd_printk(KERN_ERR SFX "cannot malloc azx_dev\n");
		goto errout;
	}

	for (i = 0; i < chip->num_streams; i++) {
		/* allocate memory for the BDL for each stream */
		err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
					  snd_dma_pci_data(chip->pci),
					  BDL_SIZE, &chip->azx_dev[i].bdl);
		if (err < 0) {
			snd_printk(KERN_ERR SFX "cannot allocate BDL\n");
			goto errout;
		}
	}
	/* allocate memory for the position buffer */
	err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
				  snd_dma_pci_data(chip->pci),
				  chip->num_streams * 8, &chip->posbuf);
	if (err < 0) {
		snd_printk(KERN_ERR SFX "cannot allocate posbuf\n");
		goto errout;
	}
	/* allocate CORB/RIRB */
	err = azx_alloc_cmd_io(chip);
	if (err < 0)
		goto errout;

	/* initialize streams */
	azx_init_stream(chip);

	/* initialize chip */
	azx_init_pci(chip);
	azx_init_chip(chip, (probe_only[dev] & 2) == 0);

	/* codec detection */
	if (!chip->codec_mask) {
		snd_printk(KERN_ERR SFX "no codecs found!\n");
		err = -ENODEV;
		goto errout;
	}

	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
	if (err <0) {
		snd_printk(KERN_ERR SFX "Error creating device [card]!\n");
		goto errout;
	}

	strcpy(card->driver, "HDA-Intel");
	strlcpy(card->shortname, driver_short_names[chip->driver_type],
		sizeof(card->shortname));
	snprintf(card->longname, sizeof(card->longname),
		 "%s at 0x%lx irq %i",
		 card->shortname, chip->addr, chip->irq);

	*rchip = chip;
	return 0;

 errout:
	azx_free(chip);
	return err;
}

static void power_down_all_codecs(struct azx *chip)
{
#ifdef CONFIG_SND_HDA_POWER_SAVE
	/* The codecs were powered up in snd_hda_codec_new().
	 * Now all initialization done, so turn them down if possible
	 */
	struct hda_codec *codec;
	list_for_each_entry(codec, &chip->bus->codec_list, list) {
		snd_hda_power_down(codec);
	}
#endif
}

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

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

	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
	if (err < 0) {
		snd_printk(KERN_ERR SFX "Error creating card!\n");
		return err;
	}

	/* set this here since it's referred in snd_hda_load_patch() */
	snd_card_set_dev(card, &pci->dev);

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

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

	/* create codec instances */
	err = azx_codec_create(chip, model[dev]);
	if (err < 0)
		goto out_free;
#ifdef CONFIG_SND_HDA_PATCH_LOADER
	if (patch[dev] && *patch[dev]) {
		snd_printk(KERN_ERR SFX "Applying patch firmware '%s'\n",
			   patch[dev]);
		err = snd_hda_load_patch(chip->bus, patch[dev]);
		if (err < 0)
			goto out_free;
	}
#endif
	if ((probe_only[dev] & 1) == 0) {
		err = azx_codec_configure(chip);
		if (err < 0)
			goto out_free;
	}

	/* create PCM streams */
	err = snd_hda_build_pcms(chip->bus);
	if (err < 0)
		goto out_free;

	/* create mixer controls */
	err = azx_mixer_create(chip);
	if (err < 0)
		goto out_free;

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

	pci_set_drvdata(pci, card);
	chip->running = 1;
	power_down_all_codecs(chip);
	azx_notifier_register(chip);

	dev++;
	return err;
out_free:
	snd_card_free(card);
	return err;
}

static void __devexit azx_remove(struct pci_dev *pci)
{
	snd_card_free(pci_get_drvdata(pci));
	pci_set_drvdata(pci, NULL);
}

/* PCI IDs */
static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
	/* CPT */
	{ PCI_DEVICE(0x8086, 0x1c20), .driver_data = AZX_DRIVER_PCH },
	/* PBG */
	{ PCI_DEVICE(0x8086, 0x1d20), .driver_data = AZX_DRIVER_PCH },
	/* Panther Point */
	{ PCI_DEVICE(0x8086, 0x1e20), .driver_data = AZX_DRIVER_PCH },
	/* SCH */
	{ PCI_DEVICE(0x8086, 0x811b), .driver_data = AZX_DRIVER_SCH },
	/* 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 },
	/* ATI SB 450/600 */
	{ PCI_DEVICE(0x1002, 0x437b), .driver_data = AZX_DRIVER_ATI },
	{ PCI_DEVICE(0x1002, 0x4383), .driver_data = AZX_DRIVER_ATI },
	/* ATI HDMI */
	{ PCI_DEVICE(0x1002, 0x793b), .driver_data = AZX_DRIVER_ATIHDMI },
	{ PCI_DEVICE(0x1002, 0x7919), .driver_data = AZX_DRIVER_ATIHDMI },
	{ PCI_DEVICE(0x1002, 0x960f), .driver_data = AZX_DRIVER_ATIHDMI },
	{ PCI_DEVICE(0x1002, 0x970f), .driver_data = AZX_DRIVER_ATIHDMI },
	{ PCI_DEVICE(0x1002, 0xaa00), .driver_data = AZX_DRIVER_ATIHDMI },
	{ PCI_DEVICE(0x1002, 0xaa08), .driver_data = AZX_DRIVER_ATIHDMI },
	{ PCI_DEVICE(0x1002, 0xaa10), .driver_data = AZX_DRIVER_ATIHDMI },
	{ PCI_DEVICE(0x1002, 0xaa18), .driver_data = AZX_DRIVER_ATIHDMI },
	{ PCI_DEVICE(0x1002, 0xaa20), .driver_data = AZX_DRIVER_ATIHDMI },
	{ PCI_DEVICE(0x1002, 0xaa28), .driver_data = AZX_DRIVER_ATIHDMI },
	{ PCI_DEVICE(0x1002, 0xaa30), .driver_data = AZX_DRIVER_ATIHDMI },
	{ PCI_DEVICE(0x1002, 0xaa38), .driver_data = AZX_DRIVER_ATIHDMI },
	{ PCI_DEVICE(0x1002, 0xaa40), .driver_data = AZX_DRIVER_ATIHDMI },
	{ PCI_DEVICE(0x1002, 0xaa48), .driver_data = AZX_DRIVER_ATIHDMI },
	/* VIA VT8251/VT8237A */
	{ PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA },
	/* 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 },
	/* Teradici */
	{ PCI_DEVICE(0x6549, 0x1200), .driver_data = AZX_DRIVER_TERA },
	/* Creative X-Fi (CA0110-IBG) */
#if !defined(CONFIG_SND_CTXFI) && !defined(CONFIG_SND_CTXFI_MODULE)
	/* 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 },
#else
	/* this entry seems still valid -- i.e. without emu20kx chip */
	{ PCI_DEVICE(0x1102, 0x0009), .driver_data = AZX_DRIVER_CTX },
#endif
	/* 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 },
	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
	  .class_mask = 0xffffff,
	  .driver_data = AZX_DRIVER_GENERIC },
	{ 0, }
};
MODULE_DEVICE_TABLE(pci, azx_ids);

/* pci_driver definition */
static struct pci_driver driver = {
	.name = "HDA Intel",
	.id_table = azx_ids,
	.probe = azx_probe,
	.remove = __devexit_p(azx_remove),
#ifdef CONFIG_PM
	.suspend = azx_suspend,
	.resume = azx_resume,
#endif
};

static int __init alsa_card_azx_init(void)
{
	return pci_register_driver(&driver);
}

static void __exit alsa_card_azx_exit(void)
{
	pci_unregister_driver(&driver);
}

module_init(alsa_card_azx_init)
module_exit(alsa_card_azx_exit)