sound/pci/ymfpci/ymfpci.c - kernel/panda - Git at Google

 /*
  *  The driver for the Yamaha's DS1/DS1E cards
  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
  *
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 2 of the License, or
  *   (at your option) any later version.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, write to the Free Software
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  *
  */

 #include <sound/driver.h>
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/time.h>
 #include <linux/moduleparam.h>
 #include <sound/core.h>
 #include <sound/ymfpci.h>
 #include <sound/mpu401.h>
 #include <sound/opl3.h>
 #include <sound/initval.h>

 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
 MODULE_DESCRIPTION("Yamaha DS-1 PCI");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("{{Yamaha,YMF724},"
 		"{Yamaha,YMF724F},"
 		"{Yamaha,YMF740},"
 		"{Yamaha,YMF740C},"
 		"{Yamaha,YMF744},"
 		"{Yamaha,YMF754}}");

 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
 static long fm_port[SNDRV_CARDS];
 static long mpu_port[SNDRV_CARDS];
 #ifdef SUPPORT_JOYSTICK
 static long joystick_port[SNDRV_CARDS];
 #endif
 static int rear_switch[SNDRV_CARDS];
 static int rear_swap[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = 1 };

 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for the Yamaha DS-1 PCI soundcard.");
 module_param_array(id, charp, NULL, 0444);
 MODULE_PARM_DESC(id, "ID string for the Yamaha DS-1 PCI soundcard.");
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable Yamaha DS-1 soundcard.");
 module_param_array(mpu_port, long, NULL, 0444);
 MODULE_PARM_DESC(mpu_port, "MPU-401 Port.");
 module_param_array(fm_port, long, NULL, 0444);
 MODULE_PARM_DESC(fm_port, "FM OPL-3 Port.");
 #ifdef SUPPORT_JOYSTICK
 module_param_array(joystick_port, long, NULL, 0444);
 MODULE_PARM_DESC(joystick_port, "Joystick port address");
 #endif
 module_param_array(rear_switch, bool, NULL, 0444);
 MODULE_PARM_DESC(rear_switch, "Enable shared rear/line-in switch");
 module_param_array(rear_swap, bool, NULL, 0444);
 MODULE_PARM_DESC(rear_swap, "Swap rear channels (must be enabled for correct IEC958 (S/PDIF)) output");

 static struct pci_device_id snd_ymfpci_ids[] = {
         { 0x1073, 0x0004, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },   /* YMF724 */
         { 0x1073, 0x000d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },   /* YMF724F */
         { 0x1073, 0x000a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },   /* YMF740 */
         { 0x1073, 0x000c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },   /* YMF740C */
         { 0x1073, 0x0010, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },   /* YMF744 */
         { 0x1073, 0x0012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },   /* YMF754 */
 	{ 0, }
 };

 MODULE_DEVICE_TABLE(pci, snd_ymfpci_ids);

 #ifdef SUPPORT_JOYSTICK
 static int __devinit snd_ymfpci_create_gameport(struct snd_ymfpci *chip, int dev,
 						int legacy_ctrl, int legacy_ctrl2)
 {
 	struct gameport *gp;
 	struct resource *r = NULL;
 	int io_port = joystick_port[dev];

 	if (!io_port)
 		return -ENODEV;

 	if (chip->pci->device >= 0x0010) { /* YMF 744/754 */

 		if (io_port == 1) {
 			/* auto-detect */
 			if (!(io_port = pci_resource_start(chip->pci, 2)))
 				return -ENODEV;
 		}
 	} else {
 		if (io_port == 1) {
 			/* auto-detect */
 			for (io_port = 0x201; io_port <= 0x205; io_port++) {
 				if (io_port == 0x203)
 					continue;
 				if ((r = request_region(io_port, 1, "YMFPCI gameport")) != NULL)
 					break;
 			}
 			if (!r) {
 				printk(KERN_ERR "ymfpci: no gameport ports available\n");
 				return -EBUSY;
 			}
 		}
 		switch (io_port) {
 		case 0x201: legacy_ctrl2 |= 0 << 6; break;
 		case 0x202: legacy_ctrl2 |= 1 << 6; break;
 		case 0x204: legacy_ctrl2 |= 2 << 6; break;
 		case 0x205: legacy_ctrl2 |= 3 << 6; break;
 		default:
 			printk(KERN_ERR "ymfpci: invalid joystick port %#x", io_port);
 			return -EINVAL;
 		}
 	}

 	if (!r && !(r = request_region(io_port, 1, "YMFPCI gameport"))) {
 		printk(KERN_ERR "ymfpci: joystick port %#x is in use.\n", io_port);
 		return -EBUSY;
 	}

 	chip->gameport = gp = gameport_allocate_port();
 	if (!gp) {
 		printk(KERN_ERR "ymfpci: cannot allocate memory for gameport\n");
 		release_and_free_resource(r);
 		return -ENOMEM;
 	}


 	gameport_set_name(gp, "Yamaha YMF Gameport");
 	gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci));
 	gameport_set_dev_parent(gp, &chip->pci->dev);
 	gp->io = io_port;
 	gameport_set_port_data(gp, r);

 	if (chip->pci->device >= 0x0010) /* YMF 744/754 */
 		pci_write_config_word(chip->pci, PCIR_DSXG_JOYBASE, io_port);

 	pci_write_config_word(chip->pci, PCIR_DSXG_LEGACY, legacy_ctrl | YMFPCI_LEGACY_JPEN);
 	pci_write_config_word(chip->pci, PCIR_DSXG_ELEGACY, legacy_ctrl2);

 	gameport_register_port(chip->gameport);

 	return 0;
 }

 void snd_ymfpci_free_gameport(struct snd_ymfpci *chip)
 {
 	if (chip->gameport) {
 		struct resource *r = gameport_get_port_data(chip->gameport);

 		gameport_unregister_port(chip->gameport);
 		chip->gameport = NULL;

 		release_and_free_resource(r);
 	}
 }
 #else
 static inline int snd_ymfpci_create_gameport(struct snd_ymfpci *chip, int dev, int l, int l2) { return -ENOSYS; }
 void snd_ymfpci_free_gameport(struct snd_ymfpci *chip) { }
 #endif /* SUPPORT_JOYSTICK */

 static int __devinit snd_card_ymfpci_probe(struct pci_dev *pci,
 					   const struct pci_device_id *pci_id)
 {
 	static int dev;
 	struct snd_card *card;
 	struct resource *fm_res = NULL;
 	struct resource *mpu_res = NULL;
 	struct snd_ymfpci *chip;
 	struct snd_opl3 *opl3;
 	const char *str, *model;
 	int err;
 	u16 legacy_ctrl, legacy_ctrl2, old_legacy_ctrl;

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

 	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
 	if (card == NULL)
 		return -ENOMEM;

 	switch (pci_id->device) {
 	case 0x0004: str = "YMF724";  model = "DS-1"; break;
 	case 0x000d: str = "YMF724F"; model = "DS-1"; break;
 	case 0x000a: str = "YMF740";  model = "DS-1L"; break;
 	case 0x000c: str = "YMF740C"; model = "DS-1L"; break;
 	case 0x0010: str = "YMF744";  model = "DS-1S"; break;
 	case 0x0012: str = "YMF754";  model = "DS-1E"; break;
 	default: model = str = "???"; break;
 	}

 	legacy_ctrl = 0;
 	legacy_ctrl2 = 0x0800;	/* SBEN = 0, SMOD = 01, LAD = 0 */

 	if (pci_id->device >= 0x0010) { /* YMF 744/754 */
 		if (fm_port[dev] == 1) {
 			/* auto-detect */
 			fm_port[dev] = pci_resource_start(pci, 1);
 		}
 		if (fm_port[dev] > 0 &&
 		    (fm_res = request_region(fm_port[dev], 4, "YMFPCI OPL3")) != NULL) {
 			legacy_ctrl |= YMFPCI_LEGACY_FMEN;
 			pci_write_config_word(pci, PCIR_DSXG_FMBASE, fm_port[dev]);
 		}
 		if (mpu_port[dev] == 1) {
 			/* auto-detect */
 			mpu_port[dev] = pci_resource_start(pci, 1) + 0x20;
 		}
 		if (mpu_port[dev] > 0 &&
 		    (mpu_res = request_region(mpu_port[dev], 2, "YMFPCI MPU401")) != NULL) {
 			legacy_ctrl |= YMFPCI_LEGACY_MEN;
 			pci_write_config_word(pci, PCIR_DSXG_MPU401BASE, mpu_port[dev]);
 		}
 	} else {
 		switch (fm_port[dev]) {
 		case 0x388: legacy_ctrl2 |= 0; break;
 		case 0x398: legacy_ctrl2 |= 1; break;
 		case 0x3a0: legacy_ctrl2 |= 2; break;
 		case 0x3a8: legacy_ctrl2 |= 3; break;
 		default: fm_port[dev] = 0; break;
 		}
 		if (fm_port[dev] > 0 &&
 		    (fm_res = request_region(fm_port[dev], 4, "YMFPCI OPL3")) != NULL) {
 			legacy_ctrl |= YMFPCI_LEGACY_FMEN;
 		} else {
 			legacy_ctrl2 &= ~YMFPCI_LEGACY2_FMIO;
 			fm_port[dev] = 0;
 		}
 		switch (mpu_port[dev]) {
 		case 0x330: legacy_ctrl2 |= 0 << 4; break;
 		case 0x300: legacy_ctrl2 |= 1 << 4; break;
 		case 0x332: legacy_ctrl2 |= 2 << 4; break;
 		case 0x334: legacy_ctrl2 |= 3 << 4; break;
 		default: mpu_port[dev] = 0; break;
 		}
 		if (mpu_port[dev] > 0 &&
 		    (mpu_res = request_region(mpu_port[dev], 2, "YMFPCI MPU401")) != NULL) {
 			legacy_ctrl |= YMFPCI_LEGACY_MEN;
 		} else {
 			legacy_ctrl2 &= ~YMFPCI_LEGACY2_MPUIO;
 			mpu_port[dev] = 0;
 		}
 	}
 	if (mpu_res) {
 		legacy_ctrl |= YMFPCI_LEGACY_MIEN;
 		legacy_ctrl2 |= YMFPCI_LEGACY2_IMOD;
 	}
 	pci_read_config_word(pci, PCIR_DSXG_LEGACY, &old_legacy_ctrl);
 	pci_write_config_word(pci, PCIR_DSXG_LEGACY, legacy_ctrl);
 	pci_write_config_word(pci, PCIR_DSXG_ELEGACY, legacy_ctrl2);
 	if ((err = snd_ymfpci_create(card, pci,
 				     old_legacy_ctrl,
 			 	     &chip)) < 0) {
 		snd_card_free(card);
 		release_and_free_resource(mpu_res);
 		release_and_free_resource(fm_res);
 		return err;
 	}
 	chip->fm_res = fm_res;
 	chip->mpu_res = mpu_res;
 	card->private_data = chip;

 	strcpy(card->driver, str);
 	sprintf(card->shortname, "Yamaha %s (%s)", model, str);
 	sprintf(card->longname, "%s at 0x%lx, irq %i",
 		card->shortname,
 		chip->reg_area_phys,
 		chip->irq);
 	if ((err = snd_ymfpci_pcm(chip, 0, NULL)) < 0) {
 		snd_card_free(card);
 		return err;
 	}
 	if ((err = snd_ymfpci_pcm_spdif(chip, 1, NULL)) < 0) {
 		snd_card_free(card);
 		return err;
 	}
 	if ((err = snd_ymfpci_pcm_4ch(chip, 2, NULL)) < 0) {
 		snd_card_free(card);
 		return err;
 	}
 	if ((err = snd_ymfpci_pcm2(chip, 3, NULL)) < 0) {
 		snd_card_free(card);
 		return err;
 	}
 	if ((err = snd_ymfpci_mixer(chip, rear_switch[dev], rear_swap[dev])) < 0) {
 		snd_card_free(card);
 		return err;
 	}
 	if ((err = snd_ymfpci_timer(chip, 0)) < 0) {
 		snd_card_free(card);
 		return err;
 	}
 	if (chip->mpu_res) {
 		if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_YMFPCI,
 					       mpu_port[dev], 1,
 					       pci->irq, 0, &chip->rawmidi)) < 0) {
 			printk(KERN_WARNING "ymfpci: cannot initialize MPU401 at 0x%lx, skipping...\n", mpu_port[dev]);
 			legacy_ctrl &= ~YMFPCI_LEGACY_MIEN; /* disable MPU401 irq */
 			pci_write_config_word(pci, PCIR_DSXG_LEGACY, legacy_ctrl);
 		}
 	}
 	if (chip->fm_res) {
 		if ((err = snd_opl3_create(card,
 					   fm_port[dev],
 					   fm_port[dev] + 2,
 					   OPL3_HW_OPL3, 1, &opl3)) < 0) {
 			printk(KERN_WARNING "ymfpci: cannot initialize FM OPL3 at 0x%lx, skipping...\n", fm_port[dev]);
 			legacy_ctrl &= ~YMFPCI_LEGACY_FMEN;
 			pci_write_config_word(pci, PCIR_DSXG_LEGACY, legacy_ctrl);
 		} else if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
 			snd_card_free(card);
 			snd_printk(KERN_ERR "cannot create opl3 hwdep\n");
 			return err;
 		}
 	}

 	snd_ymfpci_create_gameport(chip, dev, legacy_ctrl, legacy_ctrl2);

 	if ((err = snd_card_register(card)) < 0) {
 		snd_card_free(card);
 		return err;
 	}
 	pci_set_drvdata(pci, card);
 	dev++;
 	return 0;
 }

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

 static struct pci_driver driver = {
 	.name = "Yamaha DS-1 PCI",
 	.id_table = snd_ymfpci_ids,
 	.probe = snd_card_ymfpci_probe,
 	.remove = __devexit_p(snd_card_ymfpci_remove),
 #ifdef CONFIG_PM
 	.suspend = snd_ymfpci_suspend,
 	.resume = snd_ymfpci_resume,
 #endif
 };

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

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

 module_init(alsa_card_ymfpci_init)
 module_exit(alsa_card_ymfpci_exit)
	/*
	* The driver for the Yamaha's DS1/DS1E cards
	* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
	*
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*
	*/

	#include <sound/driver.h>
	#include <linux/init.h>
	#include <linux/pci.h>
	#include <linux/time.h>
	#include <linux/moduleparam.h>
	#include <sound/core.h>
	#include <sound/ymfpci.h>
	#include <sound/mpu401.h>
	#include <sound/opl3.h>
	#include <sound/initval.h>

	MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
	MODULE_DESCRIPTION("Yamaha DS-1 PCI");
	MODULE_LICENSE("GPL");
	MODULE_SUPPORTED_DEVICE("{{Yamaha,YMF724},"
	"{Yamaha,YMF724F},"
	"{Yamaha,YMF740},"
	"{Yamaha,YMF740C},"
	"{Yamaha,YMF744},"
	"{Yamaha,YMF754}}");

	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
	static long fm_port[SNDRV_CARDS];
	static long mpu_port[SNDRV_CARDS];
	#ifdef SUPPORT_JOYSTICK
	static long joystick_port[SNDRV_CARDS];
	#endif
	static int rear_switch[SNDRV_CARDS];
	static int rear_swap[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = 1 };

	module_param_array(index, int, NULL, 0444);
	MODULE_PARM_DESC(index, "Index value for the Yamaha DS-1 PCI soundcard.");
	module_param_array(id, charp, NULL, 0444);
	MODULE_PARM_DESC(id, "ID string for the Yamaha DS-1 PCI soundcard.");
	module_param_array(enable, bool, NULL, 0444);
	MODULE_PARM_DESC(enable, "Enable Yamaha DS-1 soundcard.");
	module_param_array(mpu_port, long, NULL, 0444);
	MODULE_PARM_DESC(mpu_port, "MPU-401 Port.");
	module_param_array(fm_port, long, NULL, 0444);
	MODULE_PARM_DESC(fm_port, "FM OPL-3 Port.");
	#ifdef SUPPORT_JOYSTICK
	module_param_array(joystick_port, long, NULL, 0444);
	MODULE_PARM_DESC(joystick_port, "Joystick port address");
	#endif
	module_param_array(rear_switch, bool, NULL, 0444);
	MODULE_PARM_DESC(rear_switch, "Enable shared rear/line-in switch");
	module_param_array(rear_swap, bool, NULL, 0444);
	MODULE_PARM_DESC(rear_swap, "Swap rear channels (must be enabled for correct IEC958 (S/PDIF)) output");

	static struct pci_device_id snd_ymfpci_ids[] = {
	{ 0x1073, 0x0004, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* YMF724 */
	{ 0x1073, 0x000d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* YMF724F */
	{ 0x1073, 0x000a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* YMF740 */
	{ 0x1073, 0x000c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* YMF740C */
	{ 0x1073, 0x0010, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* YMF744 */
	{ 0x1073, 0x0012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* YMF754 */
	{ 0, }
	};

	MODULE_DEVICE_TABLE(pci, snd_ymfpci_ids);

	#ifdef SUPPORT_JOYSTICK
	static int __devinit snd_ymfpci_create_gameport(struct snd_ymfpci *chip, int dev,
	int legacy_ctrl, int legacy_ctrl2)
	{
	struct gameport *gp;
	struct resource *r = NULL;
	int io_port = joystick_port[dev];

	if (!io_port)
	return -ENODEV;

	if (chip->pci->device >= 0x0010) { /* YMF 744/754 */

	if (io_port == 1) {
	/* auto-detect */
	if (!(io_port = pci_resource_start(chip->pci, 2)))
	return -ENODEV;
	}
	} else {
	if (io_port == 1) {
	/* auto-detect */
	for (io_port = 0x201; io_port <= 0x205; io_port++) {
	if (io_port == 0x203)
	continue;
	if ((r = request_region(io_port, 1, "YMFPCI gameport")) != NULL)
	break;
	}
	if (!r) {
	printk(KERN_ERR "ymfpci: no gameport ports available\n");
	return -EBUSY;
	}
	}
	switch (io_port) {
	case 0x201: legacy_ctrl2 \|= 0 << 6; break;
	case 0x202: legacy_ctrl2 \|= 1 << 6; break;
	case 0x204: legacy_ctrl2 \|= 2 << 6; break;
	case 0x205: legacy_ctrl2 \|= 3 << 6; break;
	default:
	printk(KERN_ERR "ymfpci: invalid joystick port %#x", io_port);
	return -EINVAL;
	}
	}

	if (!r && !(r = request_region(io_port, 1, "YMFPCI gameport"))) {
	printk(KERN_ERR "ymfpci: joystick port %#x is in use.\n", io_port);
	return -EBUSY;
	}

	chip->gameport = gp = gameport_allocate_port();
	if (!gp) {
	printk(KERN_ERR "ymfpci: cannot allocate memory for gameport\n");
	release_and_free_resource(r);
	return -ENOMEM;
	}


	gameport_set_name(gp, "Yamaha YMF Gameport");
	gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci));
	gameport_set_dev_parent(gp, &chip->pci->dev);
	gp->io = io_port;
	gameport_set_port_data(gp, r);

	if (chip->pci->device >= 0x0010) /* YMF 744/754 */
	pci_write_config_word(chip->pci, PCIR_DSXG_JOYBASE, io_port);

	pci_write_config_word(chip->pci, PCIR_DSXG_LEGACY, legacy_ctrl \| YMFPCI_LEGACY_JPEN);
	pci_write_config_word(chip->pci, PCIR_DSXG_ELEGACY, legacy_ctrl2);

	gameport_register_port(chip->gameport);

	return 0;
	}

	void snd_ymfpci_free_gameport(struct snd_ymfpci *chip)
	{
	if (chip->gameport) {
	struct resource *r = gameport_get_port_data(chip->gameport);

	gameport_unregister_port(chip->gameport);
	chip->gameport = NULL;

	release_and_free_resource(r);
	}
	}
	#else
	static inline int snd_ymfpci_create_gameport(struct snd_ymfpci *chip, int dev, int l, int l2) { return -ENOSYS; }
	void snd_ymfpci_free_gameport(struct snd_ymfpci *chip) { }
	#endif /* SUPPORT_JOYSTICK */

	static int __devinit snd_card_ymfpci_probe(struct pci_dev *pci,
	const struct pci_device_id *pci_id)
	{
	static int dev;
	struct snd_card *card;
	struct resource *fm_res = NULL;
	struct resource *mpu_res = NULL;
	struct snd_ymfpci *chip;
	struct snd_opl3 *opl3;
	const char str, model;
	int err;
	u16 legacy_ctrl, legacy_ctrl2, old_legacy_ctrl;

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

	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
	if (card == NULL)
	return -ENOMEM;

	switch (pci_id->device) {
	case 0x0004: str = "YMF724"; model = "DS-1"; break;
	case 0x000d: str = "YMF724F"; model = "DS-1"; break;
	case 0x000a: str = "YMF740"; model = "DS-1L"; break;
	case 0x000c: str = "YMF740C"; model = "DS-1L"; break;
	case 0x0010: str = "YMF744"; model = "DS-1S"; break;
	case 0x0012: str = "YMF754"; model = "DS-1E"; break;
	default: model = str = "???"; break;
	}

	legacy_ctrl = 0;
	legacy_ctrl2 = 0x0800; /* SBEN = 0, SMOD = 01, LAD = 0 */

	if (pci_id->device >= 0x0010) { /* YMF 744/754 */
	if (fm_port[dev] == 1) {
	/* auto-detect */
	fm_port[dev] = pci_resource_start(pci, 1);
	}
	if (fm_port[dev] > 0 &&
	(fm_res = request_region(fm_port[dev], 4, "YMFPCI OPL3")) != NULL) {
	legacy_ctrl \|= YMFPCI_LEGACY_FMEN;
	pci_write_config_word(pci, PCIR_DSXG_FMBASE, fm_port[dev]);
	}
	if (mpu_port[dev] == 1) {
	/* auto-detect */
	mpu_port[dev] = pci_resource_start(pci, 1) + 0x20;
	}
	if (mpu_port[dev] > 0 &&
	(mpu_res = request_region(mpu_port[dev], 2, "YMFPCI MPU401")) != NULL) {
	legacy_ctrl \|= YMFPCI_LEGACY_MEN;
	pci_write_config_word(pci, PCIR_DSXG_MPU401BASE, mpu_port[dev]);
	}
	} else {
	switch (fm_port[dev]) {
	case 0x388: legacy_ctrl2 \|= 0; break;
	case 0x398: legacy_ctrl2 \|= 1; break;
	case 0x3a0: legacy_ctrl2 \|= 2; break;
	case 0x3a8: legacy_ctrl2 \|= 3; break;
	default: fm_port[dev] = 0; break;
	}
	if (fm_port[dev] > 0 &&
	(fm_res = request_region(fm_port[dev], 4, "YMFPCI OPL3")) != NULL) {
	legacy_ctrl \|= YMFPCI_LEGACY_FMEN;
	} else {
	legacy_ctrl2 &= ~YMFPCI_LEGACY2_FMIO;
	fm_port[dev] = 0;
	}
	switch (mpu_port[dev]) {
	case 0x330: legacy_ctrl2 \|= 0 << 4; break;
	case 0x300: legacy_ctrl2 \|= 1 << 4; break;
	case 0x332: legacy_ctrl2 \|= 2 << 4; break;
	case 0x334: legacy_ctrl2 \|= 3 << 4; break;
	default: mpu_port[dev] = 0; break;
	}
	if (mpu_port[dev] > 0 &&
	(mpu_res = request_region(mpu_port[dev], 2, "YMFPCI MPU401")) != NULL) {
	legacy_ctrl \|= YMFPCI_LEGACY_MEN;
	} else {
	legacy_ctrl2 &= ~YMFPCI_LEGACY2_MPUIO;
	mpu_port[dev] = 0;
	}
	}
	if (mpu_res) {
	legacy_ctrl \|= YMFPCI_LEGACY_MIEN;
	legacy_ctrl2 \|= YMFPCI_LEGACY2_IMOD;
	}
	pci_read_config_word(pci, PCIR_DSXG_LEGACY, &old_legacy_ctrl);
	pci_write_config_word(pci, PCIR_DSXG_LEGACY, legacy_ctrl);
	pci_write_config_word(pci, PCIR_DSXG_ELEGACY, legacy_ctrl2);
	if ((err = snd_ymfpci_create(card, pci,
	old_legacy_ctrl,
	&chip)) < 0) {
	snd_card_free(card);
	release_and_free_resource(mpu_res);
	release_and_free_resource(fm_res);
	return err;
	}
	chip->fm_res = fm_res;
	chip->mpu_res = mpu_res;
	card->private_data = chip;

	strcpy(card->driver, str);
	sprintf(card->shortname, "Yamaha %s (%s)", model, str);
	sprintf(card->longname, "%s at 0x%lx, irq %i",
	card->shortname,
	chip->reg_area_phys,
	chip->irq);
	if ((err = snd_ymfpci_pcm(chip, 0, NULL)) < 0) {
	snd_card_free(card);
	return err;
	}
	if ((err = snd_ymfpci_pcm_spdif(chip, 1, NULL)) < 0) {
	snd_card_free(card);
	return err;
	}
	if ((err = snd_ymfpci_pcm_4ch(chip, 2, NULL)) < 0) {
	snd_card_free(card);
	return err;
	}
	if ((err = snd_ymfpci_pcm2(chip, 3, NULL)) < 0) {
	snd_card_free(card);
	return err;
	}
	if ((err = snd_ymfpci_mixer(chip, rear_switch[dev], rear_swap[dev])) < 0) {
	snd_card_free(card);
	return err;
	}
	if ((err = snd_ymfpci_timer(chip, 0)) < 0) {
	snd_card_free(card);
	return err;
	}
	if (chip->mpu_res) {
	if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_YMFPCI,
	mpu_port[dev], 1,
	pci->irq, 0, &chip->rawmidi)) < 0) {
	printk(KERN_WARNING "ymfpci: cannot initialize MPU401 at 0x%lx, skipping...\n", mpu_port[dev]);
	legacy_ctrl &= ~YMFPCI_LEGACY_MIEN; /* disable MPU401 irq */
	pci_write_config_word(pci, PCIR_DSXG_LEGACY, legacy_ctrl);
	}
	}
	if (chip->fm_res) {
	if ((err = snd_opl3_create(card,
	fm_port[dev],
	fm_port[dev] + 2,
	OPL3_HW_OPL3, 1, &opl3)) < 0) {
	printk(KERN_WARNING "ymfpci: cannot initialize FM OPL3 at 0x%lx, skipping...\n", fm_port[dev]);
	legacy_ctrl &= ~YMFPCI_LEGACY_FMEN;
	pci_write_config_word(pci, PCIR_DSXG_LEGACY, legacy_ctrl);
	} else if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
	snd_card_free(card);
	snd_printk(KERN_ERR "cannot create opl3 hwdep\n");
	return err;
	}
	}

	snd_ymfpci_create_gameport(chip, dev, legacy_ctrl, legacy_ctrl2);

	if ((err = snd_card_register(card)) < 0) {
	snd_card_free(card);
	return err;
	}
	pci_set_drvdata(pci, card);
	dev++;
	return 0;
	}

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

	static struct pci_driver driver = {
	.name = "Yamaha DS-1 PCI",
	.id_table = snd_ymfpci_ids,
	.probe = snd_card_ymfpci_probe,
	.remove = __devexit_p(snd_card_ymfpci_remove),
	#ifdef CONFIG_PM
	.suspend = snd_ymfpci_suspend,
	.resume = snd_ymfpci_resume,
	#endif
	};

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

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

	module_init(alsa_card_ymfpci_init)
	module_exit(alsa_card_ymfpci_exit)