ens1370.c

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	ensoniq->u.es1371.ac97 = NULL;
}

struct es1371_quirk {
	unsigned short vid;		/* vendor ID */
	unsigned short did;		/* device ID */
	unsigned char rev;		/* revision */
};

static int es1371_quirk_lookup(struct ensoniq *ensoniq,
				struct es1371_quirk *list)
{
	while (list->vid != (unsigned short)PCI_ANY_ID) {
		if (ensoniq->pci->vendor == list->vid &&
		    ensoniq->pci->device == list->did &&
		    ensoniq->rev == list->rev)
			return 1;
		list++;
	}
	return 0;
}

static struct es1371_quirk es1371_spdif_present[] __devinitdata = {
	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
	{ .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
};

static struct snd_pci_quirk ens1373_line_quirk[] __devinitdata = {
	SND_PCI_QUIRK_ID(0x1274, 0x2000), /* GA-7DXR */
	SND_PCI_QUIRK_ID(0x1458, 0xa000), /* GA-8IEXP */
	{ } /* end */
};

static int __devinit snd_ensoniq_1371_mixer(struct ensoniq *ensoniq,
					    int has_spdif, int has_line)
{
	struct snd_card *card = ensoniq->card;
	struct snd_ac97_bus *pbus;
	struct snd_ac97_template ac97;
	int err;
	static struct snd_ac97_bus_ops ops = {
		.write = snd_es1371_codec_write,
		.read = snd_es1371_codec_read,
		.wait = snd_es1371_codec_wait,
	};

	if ((err = snd_ac97_bus(card, 0, &ops, NULL, &pbus)) < 0)
		return err;

	memset(&ac97, 0, sizeof(ac97));
	ac97.private_data = ensoniq;
	ac97.private_free = snd_ensoniq_mixer_free_ac97;
	ac97.scaps = AC97_SCAP_AUDIO;
	if ((err = snd_ac97_mixer(pbus, &ac97, &ensoniq->u.es1371.ac97)) < 0)
		return err;
	if (has_spdif > 0 ||
	    (!has_spdif && es1371_quirk_lookup(ensoniq, es1371_spdif_present))) {
		struct snd_kcontrol *kctl;
		int i, index = 0;

		ensoniq->spdif_default = ensoniq->spdif_stream =
			SNDRV_PCM_DEFAULT_CON_SPDIF;
		outl(ensoniq->spdif_default, ES_REG(ensoniq, CHANNEL_STATUS));

		if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SPDIF)
			index++;

		for (i = 0; i < ARRAY_SIZE(snd_es1371_mixer_spdif); i++) {
			kctl = snd_ctl_new1(&snd_es1371_mixer_spdif[i], ensoniq);
			if (!kctl)
				return -ENOMEM;
			kctl->id.index = index;
			err = snd_ctl_add(card, kctl);
			if (err < 0)
				return err;
		}
	}
	if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SDAC) {
		/* mirror rear to front speakers */
		ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
		ensoniq->cssr |= ES_1373_REAR_BIT26;
		err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_rear, ensoniq));
		if (err < 0)
			return err;
	}
	if (has_line > 0 ||
	    snd_pci_quirk_lookup(ensoniq->pci, ens1373_line_quirk)) {
		 err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_line,
						      ensoniq));
		 if (err < 0)
			 return err;
	}

	return 0;
}

#endif /* CHIP1371 */

/* generic control callbacks for ens1370 */
#ifdef CHIP1370
#define ENSONIQ_CONTROL(xname, mask) \
{ .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = xname, .info = snd_ensoniq_control_info, \
  .get = snd_ensoniq_control_get, .put = snd_ensoniq_control_put, \
  .private_value = mask }

#define snd_ensoniq_control_info	snd_ctl_boolean_mono_info

static int snd_ensoniq_control_get(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
	int mask = kcontrol->private_value;
	
	spin_lock_irq(&ensoniq->reg_lock);
	ucontrol->value.integer.value[0] = ensoniq->ctrl & mask ? 1 : 0;
	spin_unlock_irq(&ensoniq->reg_lock);
	return 0;
}

static int snd_ensoniq_control_put(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
	int mask = kcontrol->private_value;
	unsigned int nval;
	int change;
	
	nval = ucontrol->value.integer.value[0] ? mask : 0;
	spin_lock_irq(&ensoniq->reg_lock);
	change = (ensoniq->ctrl & mask) != nval;
	ensoniq->ctrl &= ~mask;
	ensoniq->ctrl |= nval;
	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
	spin_unlock_irq(&ensoniq->reg_lock);
	return change;
}

/*
 * ENS1370 mixer
 */

static struct snd_kcontrol_new snd_es1370_controls[2] __devinitdata = {
ENSONIQ_CONTROL("PCM 0 Output also on Line-In Jack", ES_1370_XCTL0),
ENSONIQ_CONTROL("Mic +5V bias", ES_1370_XCTL1)
};

#define ES1370_CONTROLS ARRAY_SIZE(snd_es1370_controls)

static void snd_ensoniq_mixer_free_ak4531(struct snd_ak4531 *ak4531)
{
	struct ensoniq *ensoniq = ak4531->private_data;
	ensoniq->u.es1370.ak4531 = NULL;
}

static int __devinit snd_ensoniq_1370_mixer(struct ensoniq * ensoniq)
{
	struct snd_card *card = ensoniq->card;
	struct snd_ak4531 ak4531;
	unsigned int idx;
	int err;

	/* try reset AK4531 */
	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
	inw(ES_REG(ensoniq, 1370_CODEC));
	udelay(100);
	outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
	inw(ES_REG(ensoniq, 1370_CODEC));
	udelay(100);

	memset(&ak4531, 0, sizeof(ak4531));
	ak4531.write = snd_es1370_codec_write;
	ak4531.private_data = ensoniq;
	ak4531.private_free = snd_ensoniq_mixer_free_ak4531;
	if ((err = snd_ak4531_mixer(card, &ak4531, &ensoniq->u.es1370.ak4531)) < 0)
		return err;
	for (idx = 0; idx < ES1370_CONTROLS; idx++) {
		err = snd_ctl_add(card, snd_ctl_new1(&snd_es1370_controls[idx], ensoniq));
		if (err < 0)
			return err;
	}
	return 0;
}

#endif /* CHIP1370 */

#ifdef SUPPORT_JOYSTICK

#ifdef CHIP1371
static int __devinit snd_ensoniq_get_joystick_port(int dev)
{
	switch (joystick_port[dev]) {
	case 0: /* disabled */
	case 1: /* auto-detect */
	case 0x200:
	case 0x208:
	case 0x210:
	case 0x218:
		return joystick_port[dev];

	default:
		printk(KERN_ERR "ens1371: invalid joystick port %#x", joystick_port[dev]);
		return 0;
	}
}
#else
static inline int snd_ensoniq_get_joystick_port(int dev)
{
	return joystick[dev] ? 0x200 : 0;
}
#endif

static int __devinit snd_ensoniq_create_gameport(struct ensoniq *ensoniq, int dev)
{
	struct gameport *gp;
	int io_port;

	io_port = snd_ensoniq_get_joystick_port(dev);

	switch (io_port) {
	case 0:
		return -ENOSYS;

	case 1: /* auto_detect */
		for (io_port = 0x200; io_port <= 0x218; io_port += 8)
			if (request_region(io_port, 8, "ens137x: gameport"))
				break;
		if (io_port > 0x218) {
			printk(KERN_WARNING "ens137x: no gameport ports available\n");
			return -EBUSY;
		}
		break;

	default:
		if (!request_region(io_port, 8, "ens137x: gameport")) {
			printk(KERN_WARNING "ens137x: gameport io port 0x%#x in use\n",
			       io_port);
			return -EBUSY;
		}
		break;
	}

	ensoniq->gameport = gp = gameport_allocate_port();
	if (!gp) {
		printk(KERN_ERR "ens137x: cannot allocate memory for gameport\n");
		release_region(io_port, 8);
		return -ENOMEM;
	}

	gameport_set_name(gp, "ES137x");
	gameport_set_phys(gp, "pci%s/gameport0", pci_name(ensoniq->pci));
	gameport_set_dev_parent(gp, &ensoniq->pci->dev);
	gp->io = io_port;

	ensoniq->ctrl |= ES_JYSTK_EN;
#ifdef CHIP1371
	ensoniq->ctrl &= ~ES_1371_JOY_ASELM;
	ensoniq->ctrl |= ES_1371_JOY_ASEL((io_port - 0x200) / 8);
#endif
	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));

	gameport_register_port(ensoniq->gameport);

	return 0;
}

static void snd_ensoniq_free_gameport(struct ensoniq *ensoniq)
{
	if (ensoniq->gameport) {
		int port = ensoniq->gameport->io;

		gameport_unregister_port(ensoniq->gameport);
		ensoniq->gameport = NULL;
		ensoniq->ctrl &= ~ES_JYSTK_EN;
		outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
		release_region(port, 8);
	}
}
#else
static inline int snd_ensoniq_create_gameport(struct ensoniq *ensoniq, long port) { return -ENOSYS; }
static inline void snd_ensoniq_free_gameport(struct ensoniq *ensoniq) { }
#endif /* SUPPORT_JOYSTICK */

/*

 */

static void snd_ensoniq_proc_read(struct snd_info_entry *entry, 
				  struct snd_info_buffer *buffer)
{
	struct ensoniq *ensoniq = entry->private_data;

#ifdef CHIP1370
	snd_iprintf(buffer, "Ensoniq AudioPCI ES1370\n\n");
#else
	snd_iprintf(buffer, "Ensoniq AudioPCI ES1371\n\n");
#endif
	snd_iprintf(buffer, "Joystick enable  : %s\n",
		    ensoniq->ctrl & ES_JYSTK_EN ? "on" : "off");
#ifdef CHIP1370
	snd_iprintf(buffer, "MIC +5V bias     : %s\n",
		    ensoniq->ctrl & ES_1370_XCTL1 ? "on" : "off");
	snd_iprintf(buffer, "Line In to AOUT  : %s\n",
		    ensoniq->ctrl & ES_1370_XCTL0 ? "on" : "off");
#else
	snd_iprintf(buffer, "Joystick port    : 0x%x\n",
		    (ES_1371_JOY_ASELI(ensoniq->ctrl) * 8) + 0x200);
#endif
}

static void __devinit snd_ensoniq_proc_init(struct ensoniq * ensoniq)
{
	struct snd_info_entry *entry;

	if (! snd_card_proc_new(ensoniq->card, "audiopci", &entry))
		snd_info_set_text_ops(entry, ensoniq, snd_ensoniq_proc_read);
}

/*

 */

static int snd_ensoniq_free(struct ensoniq *ensoniq)
{
	snd_ensoniq_free_gameport(ensoniq);
	if (ensoniq->irq < 0)
		goto __hw_end;
#ifdef CHIP1370
	outl(ES_1370_SERR_DISABLE, ES_REG(ensoniq, CONTROL));	/* switch everything off */
	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */
#else
	outl(0, ES_REG(ensoniq, CONTROL));	/* switch everything off */
	outl(0, ES_REG(ensoniq, SERIAL));	/* clear serial interface */
#endif
	synchronize_irq(ensoniq->irq);
	pci_set_power_state(ensoniq->pci, 3);
      __hw_end:
#ifdef CHIP1370
	if (ensoniq->dma_bug.area)
		snd_dma_free_pages(&ensoniq->dma_bug);
#endif
	if (ensoniq->irq >= 0)
		free_irq(ensoniq->irq, ensoniq);
	pci_release_regions(ensoniq->pci);
	pci_disable_device(ensoniq->pci);
	kfree(ensoniq);
	return 0;
}

static int snd_ensoniq_dev_free(struct snd_device *device)
{
	struct ensoniq *ensoniq = device->device_data;
	return snd_ensoniq_free(ensoniq);
}

#ifdef CHIP1371
static struct snd_pci_quirk es1371_amplifier_hack[] __devinitdata = {
	SND_PCI_QUIRK_ID(0x107b, 0x2150),	/* Gateway Solo 2150 */
	SND_PCI_QUIRK_ID(0x13bd, 0x100c),	/* EV1938 on Mebius PC-MJ100V */
	SND_PCI_QUIRK_ID(0x1102, 0x5938),	/* Targa Xtender300 */
	SND_PCI_QUIRK_ID(0x1102, 0x8938),	/* IPC Topnote G notebook */
	{ } /* end */
};

static struct es1371_quirk es1371_ac97_reset_hack[] = {
	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
	{ .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
	{ .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
};
#endif

static void snd_ensoniq_chip_init(struct ensoniq *ensoniq)
{
#ifdef CHIP1371
	int idx;
#endif
	/* this code was part of snd_ensoniq_create before intruduction
	  * of suspend/resume
	  */
#ifdef CHIP1370
	outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
	outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
	outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
	outl(ensoniq->dma_bug.addr, ES_REG(ensoniq, PHANTOM_FRAME));
	out