sound/isa/sb/sb16.c - maze/linux - Git at Google

 /*
  *  Driver for SoundBlaster 16/AWE32/AWE64 soundcards
  *  Copyright (c) by Jaroslav Kysela <perex@perex.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 <asm/dma.h>
 #include <linux/init.h>
 #include <linux/pnp.h>
 #include <linux/err.h>
 #include <linux/isa.h>
 #include <linux/module.h>
 #include <sound/core.h>
 #include <sound/sb.h>
 #include <sound/sb16_csp.h>
 #include <sound/mpu401.h>
 #include <sound/opl3.h>
 #include <sound/emu8000.h>
 #include <sound/seq_device.h>
 #define SNDRV_LEGACY_FIND_FREE_IRQ
 #define SNDRV_LEGACY_FIND_FREE_DMA
 #include <sound/initval.h>

 #ifdef SNDRV_SBAWE
 #define PFX "sbawe: "
 #else
 #define PFX "sb16: "
 #endif

 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
 MODULE_LICENSE("GPL");
 #ifndef SNDRV_SBAWE
 MODULE_DESCRIPTION("Sound Blaster 16");
 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 16},"
 		"{Creative Labs,SB Vibra16S},"
 		"{Creative Labs,SB Vibra16C},"
 		"{Creative Labs,SB Vibra16CL},"
 		"{Creative Labs,SB Vibra16X}}");
 #else
 MODULE_DESCRIPTION("Sound Blaster AWE");
 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB AWE 32},"
 		"{Creative Labs,SB AWE 64},"
 		"{Creative Labs,SB AWE 64 Gold}}");
 #endif

 #if 0
 #define SNDRV_DEBUG_IRQ
 #endif

 #if defined(SNDRV_SBAWE) && (defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE)))
 #define SNDRV_SBAWE_EMU8000
 #endif

 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
 #ifdef CONFIG_PNP
 static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
 #endif
 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260,0x280 */
 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x330,0x300 */
 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
 #ifdef SNDRV_SBAWE_EMU8000
 static long awe_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
 #endif
 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */
 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 5,6,7 */
 static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
 #ifdef CONFIG_SND_SB16_CSP
 static int csp[SNDRV_CARDS];
 #endif
 #ifdef SNDRV_SBAWE_EMU8000
 static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};
 #endif

 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for SoundBlaster 16 soundcard.");
 module_param_array(id, charp, NULL, 0444);
 MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard.");
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable SoundBlaster 16 soundcard.");
 #ifdef CONFIG_PNP
 module_param_array(isapnp, bool, NULL, 0444);
 MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
 #endif
 module_param_array(port, long, NULL, 0444);
 MODULE_PARM_DESC(port, "Port # for SB16 driver.");
 module_param_array(mpu_port, long, NULL, 0444);
 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver.");
 module_param_array(fm_port, long, NULL, 0444);
 MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver.");
 #ifdef SNDRV_SBAWE_EMU8000
 module_param_array(awe_port, long, NULL, 0444);
 MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver.");
 #endif
 module_param_array(irq, int, NULL, 0444);
 MODULE_PARM_DESC(irq, "IRQ # for SB16 driver.");
 module_param_array(dma8, int, NULL, 0444);
 MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver.");
 module_param_array(dma16, int, NULL, 0444);
 MODULE_PARM_DESC(dma16, "16-bit DMA # for SB16 driver.");
 module_param_array(mic_agc, int, NULL, 0444);
 MODULE_PARM_DESC(mic_agc, "Mic Auto-Gain-Control switch.");
 #ifdef CONFIG_SND_SB16_CSP
 module_param_array(csp, int, NULL, 0444);
 MODULE_PARM_DESC(csp, "ASP/CSP chip support.");
 #endif
 #ifdef SNDRV_SBAWE_EMU8000
 module_param_array(seq_ports, int, NULL, 0444);
 MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth.");
 #endif

 #ifdef CONFIG_PNP
 static int isa_registered;
 static int pnp_registered;
 #endif

 struct snd_card_sb16 {
 	struct resource *fm_res;	/* used to block FM i/o region for legacy cards */
 	struct snd_sb *chip;
 #ifdef CONFIG_PNP
 	int dev_no;
 	struct pnp_dev *dev;
 #ifdef SNDRV_SBAWE_EMU8000
 	struct pnp_dev *devwt;
 #endif
 #endif
 };

 #ifdef CONFIG_PNP

 static struct pnp_card_device_id snd_sb16_pnpids[] = {
 #ifndef SNDRV_SBAWE
 	/* Sound Blaster 16 PnP */
 	{ .id = "CTL0024", .devs = { { "CTL0031" } } },
 	/* Sound Blaster 16 PnP */
 	{ .id = "CTL0025", .devs = { { "CTL0031" } } },
 	/* Sound Blaster 16 PnP */
 	{ .id = "CTL0026", .devs = { { "CTL0031" } } },
 	/* Sound Blaster 16 PnP */
 	{ .id = "CTL0027", .devs = { { "CTL0031" } } },
 	/* Sound Blaster 16 PnP */
 	{ .id = "CTL0028", .devs = { { "CTL0031" } } },
 	/* Sound Blaster 16 PnP */
 	{ .id = "CTL0029", .devs = { { "CTL0031" } } },
 	/* Sound Blaster 16 PnP */
 	{ .id = "CTL002a", .devs = { { "CTL0031" } } },
 	/* Sound Blaster 16 PnP */
 	/* Note: This card has also a CTL0051:StereoEnhance device!!! */
 	{ .id = "CTL002b", .devs = { { "CTL0031" } } },
 	/* Sound Blaster 16 PnP */
 	{ .id = "CTL002c", .devs = { { "CTL0031" } } },
 	/* Sound Blaster Vibra16S */
 	{ .id = "CTL0051", .devs = { { "CTL0001" } } },
 	/* Sound Blaster Vibra16C */
 	{ .id = "CTL0070", .devs = { { "CTL0001" } } },
 	/* Sound Blaster Vibra16CL - added by ctm@ardi.com */
 	{ .id = "CTL0080", .devs = { { "CTL0041" } } },
 	/* Sound Blaster 16 'value' PnP. It says model ct4130 on the pcb, */
 	/* but ct4131 on a sticker on the board.. */
 	{ .id = "CTL0086", .devs = { { "CTL0041" } } },
 	/* Sound Blaster Vibra16X */
 	{ .id = "CTL00f0", .devs = { { "CTL0043" } } },
 	/* Sound Blaster 16 (Virtual PC 2004) */
 	{ .id = "tBA03b0", .devs = { {.id="PNPb003" } } },
 #else  /* SNDRV_SBAWE defined */
 	/* Sound Blaster AWE 32 PnP */
 	{ .id = "CTL0035", .devs = { { "CTL0031" }, { "CTL0021" } } },
 	/* Sound Blaster AWE 32 PnP */
 	{ .id = "CTL0039", .devs = { { "CTL0031" }, { "CTL0021" } } },
 	/* Sound Blaster AWE 32 PnP */
 	{ .id = "CTL0042", .devs = { { "CTL0031" }, { "CTL0021" } } },
 	/* Sound Blaster AWE 32 PnP */
 	{ .id = "CTL0043", .devs = { { "CTL0031" }, { "CTL0021" } } },
 	/* Sound Blaster AWE 32 PnP */
 	/* Note: This card has also a CTL0051:StereoEnhance device!!! */
 	{ .id = "CTL0044", .devs = { { "CTL0031" }, { "CTL0021" } } },
 	/* Sound Blaster AWE 32 PnP */
 	/* Note: This card has also a CTL0051:StereoEnhance device!!! */
 	{ .id = "CTL0045", .devs = { { "CTL0031" }, { "CTL0021" } } },
 	/* Sound Blaster AWE 32 PnP */
 	{ .id = "CTL0046", .devs = { { "CTL0031" }, { "CTL0021" } } },
 	/* Sound Blaster AWE 32 PnP */
 	{ .id = "CTL0047", .devs = { { "CTL0031" }, { "CTL0021" } } },
 	/* Sound Blaster AWE 32 PnP */
 	{ .id = "CTL0048", .devs = { { "CTL0031" }, { "CTL0021" } } },
 	/* Sound Blaster AWE 32 PnP */
 	{ .id = "CTL0054", .devs = { { "CTL0031" }, { "CTL0021" } } },
 	/* Sound Blaster AWE 32 PnP */
 	{ .id = "CTL009a", .devs = { { "CTL0041" }, { "CTL0021" } } },
 	/* Sound Blaster AWE 32 PnP */
 	{ .id = "CTL009c", .devs = { { "CTL0041" }, { "CTL0021" } } },
 	/* Sound Blaster 32 PnP */
 	{ .id = "CTL009f", .devs = { { "CTL0041" }, { "CTL0021" } } },
 	/* Sound Blaster AWE 64 PnP */
 	{ .id = "CTL009d", .devs = { { "CTL0042" }, { "CTL0022" } } },
 	/* Sound Blaster AWE 64 PnP Gold */
 	{ .id = "CTL009e", .devs = { { "CTL0044" }, { "CTL0023" } } },
 	/* Sound Blaster AWE 64 PnP Gold */
 	{ .id = "CTL00b2", .devs = { { "CTL0044" }, { "CTL0023" } } },
 	/* Sound Blaster AWE 64 PnP */
 	{ .id = "CTL00c1", .devs = { { "CTL0042" }, { "CTL0022" } } },
 	/* Sound Blaster AWE 64 PnP */
 	{ .id = "CTL00c3", .devs = { { "CTL0045" }, { "CTL0022" } } },
 	/* Sound Blaster AWE 64 PnP */
 	{ .id = "CTL00c5", .devs = { { "CTL0045" }, { "CTL0022" } } },
 	/* Sound Blaster AWE 64 PnP */
 	{ .id = "CTL00c7", .devs = { { "CTL0045" }, { "CTL0022" } } },
 	/* Sound Blaster AWE 64 PnP */
 	{ .id = "CTL00e4", .devs = { { "CTL0045" }, { "CTL0022" } } },
 	/* Sound Blaster AWE 64 PnP */
 	{ .id = "CTL00e9", .devs = { { "CTL0045" }, { "CTL0022" } } },
 	/* Sound Blaster 16 PnP (AWE) */
 	{ .id = "CTL00ed", .devs = { { "CTL0041" }, { "CTL0070" } } },
 	/* Generic entries */
 	{ .id = "CTLXXXX" , .devs = { { "CTL0031" }, { "CTL0021" } } },
 	{ .id = "CTLXXXX" , .devs = { { "CTL0041" }, { "CTL0021" } } },
 	{ .id = "CTLXXXX" , .devs = { { "CTL0042" }, { "CTL0022" } } },
 	{ .id = "CTLXXXX" , .devs = { { "CTL0044" }, { "CTL0023" } } },
 	{ .id = "CTLXXXX" , .devs = { { "CTL0045" }, { "CTL0022" } } },
 #endif /* SNDRV_SBAWE */
 	{ .id = "", }
 };

 MODULE_DEVICE_TABLE(pnp_card, snd_sb16_pnpids);

 #endif /* CONFIG_PNP */

 #ifdef SNDRV_SBAWE_EMU8000
 #define DRIVER_NAME	"snd-card-sbawe"
 #else
 #define DRIVER_NAME	"snd-card-sb16"
 #endif

 #ifdef CONFIG_PNP

 static int snd_card_sb16_pnp(int dev, struct snd_card_sb16 *acard,
 			     struct pnp_card_link *card,
 			     const struct pnp_card_device_id *id)
 {
 	struct pnp_dev *pdev;
 	int err;

 	acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
 	if (acard->dev == NULL)
 		return -ENODEV;

 #ifdef SNDRV_SBAWE_EMU8000
 	acard->devwt = pnp_request_card_device(card, id->devs[1].id, acard->dev);
 #endif
 	/* Audio initialization */
 	pdev = acard->dev;

 	err = pnp_activate_dev(pdev);
 	if (err < 0) {
 		snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
 		return err;
 	}
 	port[dev] = pnp_port_start(pdev, 0);
 	mpu_port[dev] = pnp_port_start(pdev, 1);
 	fm_port[dev] = pnp_port_start(pdev, 2);
 	dma8[dev] = pnp_dma(pdev, 0);
 	dma16[dev] = pnp_dma(pdev, 1);
 	irq[dev] = pnp_irq(pdev, 0);
 	snd_printdd("pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n",
 			port[dev], mpu_port[dev], fm_port[dev]);
 	snd_printdd("pnp SB16: dma1=%i, dma2=%i, irq=%i\n",
 			dma8[dev], dma16[dev], irq[dev]);
 #ifdef SNDRV_SBAWE_EMU8000
 	/* WaveTable initialization */
 	pdev = acard->devwt;
 	if (pdev != NULL) {
 		err = pnp_activate_dev(pdev);
 		if (err < 0) {
 			goto __wt_error;
 		}
 		awe_port[dev] = pnp_port_start(pdev, 0);
 		snd_printdd("pnp SB16: wavetable port=0x%llx\n",
 				(unsigned long long)pnp_port_start(pdev, 0));
 	} else {
 __wt_error:
 		if (pdev) {
 			pnp_release_card_device(pdev);
 			snd_printk(KERN_ERR PFX "WaveTable pnp configure failure\n");
 		}
 		acard->devwt = NULL;
 		awe_port[dev] = -1;
 	}
 #endif
 	return 0;
 }

 #endif /* CONFIG_PNP */

 static void snd_sb16_free(struct snd_card *card)
 {
 	struct snd_card_sb16 *acard = card->private_data;

 	if (acard == NULL)
 		return;
 	release_and_free_resource(acard->fm_res);
 }

 #ifdef CONFIG_PNP
 #define is_isapnp_selected(dev)		isapnp[dev]
 #else
 #define is_isapnp_selected(dev)		0
 #endif

 static int snd_sb16_card_new(struct device *devptr, int dev,
 			     struct snd_card **cardp)
 {
 	struct snd_card *card;
 	int err;

 	err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE,
 			   sizeof(struct snd_card_sb16), &card);
 	if (err < 0)
 		return err;
 	card->private_free = snd_sb16_free;
 	*cardp = card;
 	return 0;
 }

 static int snd_sb16_probe(struct snd_card *card, int dev)
 {
 	int xirq, xdma8, xdma16;
 	struct snd_sb *chip;
 	struct snd_card_sb16 *acard = card->private_data;
 	struct snd_opl3 *opl3;
 	struct snd_hwdep *synth = NULL;
 #ifdef CONFIG_SND_SB16_CSP
 	struct snd_hwdep *xcsp = NULL;
 #endif
 	unsigned long flags;
 	int err;

 	xirq = irq[dev];
 	xdma8 = dma8[dev];
 	xdma16 = dma16[dev];

 	if ((err = snd_sbdsp_create(card,
 				    port[dev],
 				    xirq,
 				    snd_sb16dsp_interrupt,
 				    xdma8,
 				    xdma16,
 				    SB_HW_AUTO,
 				    &chip)) < 0)
 		return err;

 	acard->chip = chip;
 	if (chip->hardware != SB_HW_16) {
 		snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]);
 		return -ENODEV;
 	}
 	chip->mpu_port = mpu_port[dev];
 	if (! is_isapnp_selected(dev) && (err = snd_sb16dsp_configure(chip)) < 0)
 		return err;

 	if ((err = snd_sb16dsp_pcm(chip, 0, &chip->pcm)) < 0)
 		return err;

 	strcpy(card->driver,
 #ifdef SNDRV_SBAWE_EMU8000
 			awe_port[dev] > 0 ? "SB AWE" :
 #endif
 			"SB16");
 	strcpy(card->shortname, chip->name);
 	sprintf(card->longname, "%s at 0x%lx, irq %i, dma ",
 		chip->name,
 		chip->port,
 		xirq);
 	if (xdma8 >= 0)
 		sprintf(card->longname + strlen(card->longname), "%d", xdma8);
 	if (xdma16 >= 0)
 		sprintf(card->longname + strlen(card->longname), "%s%d",
 			xdma8 >= 0 ? "&" : "", xdma16);

 	if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) {
 		if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,
 					       chip->mpu_port,
 					       MPU401_INFO_IRQ_HOOK, -1,
 					       &chip->rmidi)) < 0)
 			return err;
 		chip->rmidi_callback = snd_mpu401_uart_interrupt;
 	}

 #ifdef SNDRV_SBAWE_EMU8000
 	if (awe_port[dev] == SNDRV_AUTO_PORT)
 		awe_port[dev] = 0; /* disable */
 #endif

 	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
 		if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
 				    OPL3_HW_OPL3,
 				    acard->fm_res != NULL || fm_port[dev] == port[dev],
 				    &opl3) < 0) {
 			snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n",
 				   fm_port[dev], fm_port[dev] + 2);
 		} else {
 #ifdef SNDRV_SBAWE_EMU8000
 			int seqdev = awe_port[dev] > 0 ? 2 : 1;
 #else
 			int seqdev = 1;
 #endif
 			if ((err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth)) < 0)
 				return err;
 		}
 	}

 	if ((err = snd_sbmixer_new(chip)) < 0)
 		return err;

 #ifdef CONFIG_SND_SB16_CSP
 	/* CSP chip on SB16ASP/AWE32 */
 	if ((chip->hardware == SB_HW_16) && csp[dev]) {
 		snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp);
 		if (xcsp) {
 			chip->csp = xcsp->private_data;
 			chip->hardware = SB_HW_16CSP;
 		} else {
 			snd_printk(KERN_INFO PFX "warning - CSP chip not detected on soundcard #%i\n", dev + 1);
 		}
 	}
 #endif
 #ifdef SNDRV_SBAWE_EMU8000
 	if (awe_port[dev] > 0) {
 		if ((err = snd_emu8000_new(card, 1, awe_port[dev],
 					   seq_ports[dev], NULL)) < 0) {
 			snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]);

 			return err;
 		}
 	}
 #endif

 	/* setup Mic AGC */
 	spin_lock_irqsave(&chip->mixer_lock, flags);
 	snd_sbmixer_write(chip, SB_DSP4_MIC_AGC,
 		(snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) |
 		(mic_agc[dev] ? 0x00 : 0x01));
 	spin_unlock_irqrestore(&chip->mixer_lock, flags);

 	if ((err = snd_card_register(card)) < 0)
 		return err;

 	return 0;
 }

 #ifdef CONFIG_PM
 static int snd_sb16_suspend(struct snd_card *card, pm_message_t state)
 {
 	struct snd_card_sb16 *acard = card->private_data;
 	struct snd_sb *chip = acard->chip;

 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 	snd_pcm_suspend_all(chip->pcm);
 	snd_sbmixer_suspend(chip);
 	return 0;
 }

 static int snd_sb16_resume(struct snd_card *card)
 {
 	struct snd_card_sb16 *acard = card->private_data;
 	struct snd_sb *chip = acard->chip;

 	snd_sbdsp_reset(chip);
 	snd_sbmixer_resume(chip);
 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 	return 0;
 }
 #endif

 static int snd_sb16_isa_probe1(int dev, struct device *pdev)
 {
 	struct snd_card_sb16 *acard;
 	struct snd_card *card;
 	int err;

 	err = snd_sb16_card_new(pdev, dev, &card);
 	if (err < 0)
 		return err;

 	acard = card->private_data;
 	/* non-PnP FM port address is hardwired with base port address */
 	fm_port[dev] = port[dev];
 	/* block the 0x388 port to avoid PnP conflicts */
 	acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
 #ifdef SNDRV_SBAWE_EMU8000
 	/* non-PnP AWE port address is hardwired with base port address */
 	awe_port[dev] = port[dev] + 0x400;
 #endif

 	if ((err = snd_sb16_probe(card, dev)) < 0) {
 		snd_card_free(card);
 		return err;
 	}
 	dev_set_drvdata(pdev, card);
 	return 0;
 }


 static int snd_sb16_isa_match(struct device *pdev, unsigned int dev)
 {
 	return enable[dev] && !is_isapnp_selected(dev);
 }

 static int snd_sb16_isa_probe(struct device *pdev, unsigned int dev)
 {
 	int err;
 	static int possible_irqs[] = {5, 9, 10, 7, -1};
 	static int possible_dmas8[] = {1, 3, 0, -1};
 	static int possible_dmas16[] = {5, 6, 7, -1};

 	if (irq[dev] == SNDRV_AUTO_IRQ) {
 		if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
 			snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
 			return -EBUSY;
 		}
 	}
 	if (dma8[dev] == SNDRV_AUTO_DMA) {
 		if ((dma8[dev] = snd_legacy_find_free_dma(possible_dmas8)) < 0) {
 			snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n");
 			return -EBUSY;
 		}
 	}
 	if (dma16[dev] == SNDRV_AUTO_DMA) {
 		if ((dma16[dev] = snd_legacy_find_free_dma(possible_dmas16)) < 0) {
 			snd_printk(KERN_ERR PFX "unable to find a free 16-bit DMA\n");
 			return -EBUSY;
 		}
 	}

 	if (port[dev] != SNDRV_AUTO_PORT)
 		return snd_sb16_isa_probe1(dev, pdev);
 	else {
 		static int possible_ports[] = {0x220, 0x240, 0x260, 0x280};
 		int i;
 		for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
 			port[dev] = possible_ports[i];
 			err = snd_sb16_isa_probe1(dev, pdev);
 			if (! err)
 				return 0;
 		}
 		return err;
 	}
 }

 static int snd_sb16_isa_remove(struct device *pdev, unsigned int dev)
 {
 	snd_card_free(dev_get_drvdata(pdev));
 	return 0;
 }

 #ifdef CONFIG_PM
 static int snd_sb16_isa_suspend(struct device *dev, unsigned int n,
 				pm_message_t state)
 {
 	return snd_sb16_suspend(dev_get_drvdata(dev), state);
 }

 static int snd_sb16_isa_resume(struct device *dev, unsigned int n)
 {
 	return snd_sb16_resume(dev_get_drvdata(dev));
 }
 #endif

 #ifdef SNDRV_SBAWE
 #define DEV_NAME "sbawe"
 #else
 #define DEV_NAME "sb16"
 #endif

 static struct isa_driver snd_sb16_isa_driver = {
 	.match		= snd_sb16_isa_match,
 	.probe		= snd_sb16_isa_probe,
 	.remove		= snd_sb16_isa_remove,
 #ifdef CONFIG_PM
 	.suspend	= snd_sb16_isa_suspend,
 	.resume		= snd_sb16_isa_resume,
 #endif
 	.driver		= {
 		.name	= DEV_NAME
 	},
 };


 #ifdef CONFIG_PNP
 static int snd_sb16_pnp_detect(struct pnp_card_link *pcard,
 			       const struct pnp_card_device_id *pid)
 {
 	static int dev;
 	struct snd_card *card;
 	int res;

 	for ( ; dev < SNDRV_CARDS; dev++) {
 		if (!enable[dev] || !isapnp[dev])
 			continue;
 		res = snd_sb16_card_new(&pcard->card->dev, dev, &card);
 		if (res < 0)
 			return res;
 		if ((res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid)) < 0 ||
 		    (res = snd_sb16_probe(card, dev)) < 0) {
 			snd_card_free(card);
 			return res;
 		}
 		pnp_set_card_drvdata(pcard, card);
 		dev++;
 		return 0;
 	}

 	return -ENODEV;
 }

 static void snd_sb16_pnp_remove(struct pnp_card_link *pcard)
 {
 	snd_card_free(pnp_get_card_drvdata(pcard));
 	pnp_set_card_drvdata(pcard, NULL);
 }

 #ifdef CONFIG_PM
 static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
 {
 	return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state);
 }
 static int snd_sb16_pnp_resume(struct pnp_card_link *pcard)
 {
 	return snd_sb16_resume(pnp_get_card_drvdata(pcard));
 }
 #endif

 static struct pnp_card_driver sb16_pnpc_driver = {
 	.flags = PNP_DRIVER_RES_DISABLE,
 #ifdef SNDRV_SBAWE
 	.name = "sbawe",
 #else
 	.name = "sb16",
 #endif
 	.id_table = snd_sb16_pnpids,
 	.probe = snd_sb16_pnp_detect,
 	.remove = snd_sb16_pnp_remove,
 #ifdef CONFIG_PM
 	.suspend = snd_sb16_pnp_suspend,
 	.resume = snd_sb16_pnp_resume,
 #endif
 };

 #endif /* CONFIG_PNP */

 static int __init alsa_card_sb16_init(void)
 {
 	int err;

 	err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS);
 #ifdef CONFIG_PNP
 	if (!err)
 		isa_registered = 1;

 	err = pnp_register_card_driver(&sb16_pnpc_driver);
 	if (!err)
 		pnp_registered = 1;

 	if (isa_registered)
 		err = 0;
 #endif
 	return err;
 }

 static void __exit alsa_card_sb16_exit(void)
 {
 #ifdef CONFIG_PNP
 	if (pnp_registered)
 		pnp_unregister_card_driver(&sb16_pnpc_driver);
 	if (isa_registered)
 #endif
 		isa_unregister_driver(&snd_sb16_isa_driver);
 }

 module_init(alsa_card_sb16_init)
 module_exit(alsa_card_sb16_exit)
	/*
	* Driver for SoundBlaster 16/AWE32/AWE64 soundcards
	* Copyright (c) by Jaroslav Kysela <perex@perex.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 <asm/dma.h>
	#include <linux/init.h>
	#include <linux/pnp.h>
	#include <linux/err.h>
	#include <linux/isa.h>
	#include <linux/module.h>
	#include <sound/core.h>
	#include <sound/sb.h>
	#include <sound/sb16_csp.h>
	#include <sound/mpu401.h>
	#include <sound/opl3.h>
	#include <sound/emu8000.h>
	#include <sound/seq_device.h>
	#define SNDRV_LEGACY_FIND_FREE_IRQ
	#define SNDRV_LEGACY_FIND_FREE_DMA
	#include <sound/initval.h>

	#ifdef SNDRV_SBAWE
	#define PFX "sbawe: "
	#else
	#define PFX "sb16: "
	#endif

	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
	MODULE_LICENSE("GPL");
	#ifndef SNDRV_SBAWE
	MODULE_DESCRIPTION("Sound Blaster 16");
	MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 16},"
	"{Creative Labs,SB Vibra16S},"
	"{Creative Labs,SB Vibra16C},"
	"{Creative Labs,SB Vibra16CL},"
	"{Creative Labs,SB Vibra16X}}");
	#else
	MODULE_DESCRIPTION("Sound Blaster AWE");
	MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB AWE 32},"
	"{Creative Labs,SB AWE 64},"
	"{Creative Labs,SB AWE 64 Gold}}");
	#endif

	#if 0
	#define SNDRV_DEBUG_IRQ
	#endif

	#if defined(SNDRV_SBAWE) && (defined(CONFIG_SND_SEQUENCER) \|\| (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE)))
	#define SNDRV_SBAWE_EMU8000
	#endif

	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
	static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
	#ifdef CONFIG_PNP
	static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
	#endif
	static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260,0x280 */
	static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x330,0x300 */
	static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
	#ifdef SNDRV_SBAWE_EMU8000
	static long awe_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
	#endif
	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
	static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
	static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 5,6,7 */
	static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
	#ifdef CONFIG_SND_SB16_CSP
	static int csp[SNDRV_CARDS];
	#endif
	#ifdef SNDRV_SBAWE_EMU8000
	static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};
	#endif

	module_param_array(index, int, NULL, 0444);
	MODULE_PARM_DESC(index, "Index value for SoundBlaster 16 soundcard.");
	module_param_array(id, charp, NULL, 0444);
	MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard.");
	module_param_array(enable, bool, NULL, 0444);
	MODULE_PARM_DESC(enable, "Enable SoundBlaster 16 soundcard.");
	#ifdef CONFIG_PNP
	module_param_array(isapnp, bool, NULL, 0444);
	MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
	#endif
	module_param_array(port, long, NULL, 0444);
	MODULE_PARM_DESC(port, "Port # for SB16 driver.");
	module_param_array(mpu_port, long, NULL, 0444);
	MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver.");
	module_param_array(fm_port, long, NULL, 0444);
	MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver.");
	#ifdef SNDRV_SBAWE_EMU8000
	module_param_array(awe_port, long, NULL, 0444);
	MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver.");
	#endif
	module_param_array(irq, int, NULL, 0444);
	MODULE_PARM_DESC(irq, "IRQ # for SB16 driver.");
	module_param_array(dma8, int, NULL, 0444);
	MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver.");
	module_param_array(dma16, int, NULL, 0444);
	MODULE_PARM_DESC(dma16, "16-bit DMA # for SB16 driver.");
	module_param_array(mic_agc, int, NULL, 0444);
	MODULE_PARM_DESC(mic_agc, "Mic Auto-Gain-Control switch.");
	#ifdef CONFIG_SND_SB16_CSP
	module_param_array(csp, int, NULL, 0444);
	MODULE_PARM_DESC(csp, "ASP/CSP chip support.");
	#endif
	#ifdef SNDRV_SBAWE_EMU8000
	module_param_array(seq_ports, int, NULL, 0444);
	MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth.");
	#endif

	#ifdef CONFIG_PNP
	static int isa_registered;
	static int pnp_registered;
	#endif

	struct snd_card_sb16 {
	struct resource fm_res; / used to block FM i/o region for legacy cards */
	struct snd_sb *chip;
	#ifdef CONFIG_PNP
	int dev_no;
	struct pnp_dev *dev;
	#ifdef SNDRV_SBAWE_EMU8000
	struct pnp_dev *devwt;
	#endif
	#endif
	};

	#ifdef CONFIG_PNP

	static struct pnp_card_device_id snd_sb16_pnpids[] = {
	#ifndef SNDRV_SBAWE
	/* Sound Blaster 16 PnP */
	{ .id = "CTL0024", .devs = { { "CTL0031" } } },
	/* Sound Blaster 16 PnP */
	{ .id = "CTL0025", .devs = { { "CTL0031" } } },
	/* Sound Blaster 16 PnP */
	{ .id = "CTL0026", .devs = { { "CTL0031" } } },
	/* Sound Blaster 16 PnP */
	{ .id = "CTL0027", .devs = { { "CTL0031" } } },
	/* Sound Blaster 16 PnP */
	{ .id = "CTL0028", .devs = { { "CTL0031" } } },
	/* Sound Blaster 16 PnP */
	{ .id = "CTL0029", .devs = { { "CTL0031" } } },
	/* Sound Blaster 16 PnP */
	{ .id = "CTL002a", .devs = { { "CTL0031" } } },
	/* Sound Blaster 16 PnP */
	/* Note: This card has also a CTL0051:StereoEnhance device!!! */
	{ .id = "CTL002b", .devs = { { "CTL0031" } } },
	/* Sound Blaster 16 PnP */
	{ .id = "CTL002c", .devs = { { "CTL0031" } } },
	/* Sound Blaster Vibra16S */
	{ .id = "CTL0051", .devs = { { "CTL0001" } } },
	/* Sound Blaster Vibra16C */
	{ .id = "CTL0070", .devs = { { "CTL0001" } } },
	/* Sound Blaster Vibra16CL - added by ctm@ardi.com */
	{ .id = "CTL0080", .devs = { { "CTL0041" } } },
	/* Sound Blaster 16 'value' PnP. It says model ct4130 on the pcb, */
	/* but ct4131 on a sticker on the board.. */
	{ .id = "CTL0086", .devs = { { "CTL0041" } } },
	/* Sound Blaster Vibra16X */
	{ .id = "CTL00f0", .devs = { { "CTL0043" } } },
	/* Sound Blaster 16 (Virtual PC 2004) */
	{ .id = "tBA03b0", .devs = { {.id="PNPb003" } } },
	#else /* SNDRV_SBAWE defined */
	/* Sound Blaster AWE 32 PnP */
	{ .id = "CTL0035", .devs = { { "CTL0031" }, { "CTL0021" } } },
	/* Sound Blaster AWE 32 PnP */
	{ .id = "CTL0039", .devs = { { "CTL0031" }, { "CTL0021" } } },
	/* Sound Blaster AWE 32 PnP */
	{ .id = "CTL0042", .devs = { { "CTL0031" }, { "CTL0021" } } },
	/* Sound Blaster AWE 32 PnP */
	{ .id = "CTL0043", .devs = { { "CTL0031" }, { "CTL0021" } } },
	/* Sound Blaster AWE 32 PnP */
	/* Note: This card has also a CTL0051:StereoEnhance device!!! */
	{ .id = "CTL0044", .devs = { { "CTL0031" }, { "CTL0021" } } },
	/* Sound Blaster AWE 32 PnP */
	/* Note: This card has also a CTL0051:StereoEnhance device!!! */
	{ .id = "CTL0045", .devs = { { "CTL0031" }, { "CTL0021" } } },
	/* Sound Blaster AWE 32 PnP */
	{ .id = "CTL0046", .devs = { { "CTL0031" }, { "CTL0021" } } },
	/* Sound Blaster AWE 32 PnP */
	{ .id = "CTL0047", .devs = { { "CTL0031" }, { "CTL0021" } } },
	/* Sound Blaster AWE 32 PnP */
	{ .id = "CTL0048", .devs = { { "CTL0031" }, { "CTL0021" } } },
	/* Sound Blaster AWE 32 PnP */
	{ .id = "CTL0054", .devs = { { "CTL0031" }, { "CTL0021" } } },
	/* Sound Blaster AWE 32 PnP */
	{ .id = "CTL009a", .devs = { { "CTL0041" }, { "CTL0021" } } },
	/* Sound Blaster AWE 32 PnP */
	{ .id = "CTL009c", .devs = { { "CTL0041" }, { "CTL0021" } } },
	/* Sound Blaster 32 PnP */
	{ .id = "CTL009f", .devs = { { "CTL0041" }, { "CTL0021" } } },
	/* Sound Blaster AWE 64 PnP */
	{ .id = "CTL009d", .devs = { { "CTL0042" }, { "CTL0022" } } },
	/* Sound Blaster AWE 64 PnP Gold */
	{ .id = "CTL009e", .devs = { { "CTL0044" }, { "CTL0023" } } },
	/* Sound Blaster AWE 64 PnP Gold */
	{ .id = "CTL00b2", .devs = { { "CTL0044" }, { "CTL0023" } } },
	/* Sound Blaster AWE 64 PnP */
	{ .id = "CTL00c1", .devs = { { "CTL0042" }, { "CTL0022" } } },
	/* Sound Blaster AWE 64 PnP */
	{ .id = "CTL00c3", .devs = { { "CTL0045" }, { "CTL0022" } } },
	/* Sound Blaster AWE 64 PnP */
	{ .id = "CTL00c5", .devs = { { "CTL0045" }, { "CTL0022" } } },
	/* Sound Blaster AWE 64 PnP */
	{ .id = "CTL00c7", .devs = { { "CTL0045" }, { "CTL0022" } } },
	/* Sound Blaster AWE 64 PnP */
	{ .id = "CTL00e4", .devs = { { "CTL0045" }, { "CTL0022" } } },
	/* Sound Blaster AWE 64 PnP */
	{ .id = "CTL00e9", .devs = { { "CTL0045" }, { "CTL0022" } } },
	/* Sound Blaster 16 PnP (AWE) */
	{ .id = "CTL00ed", .devs = { { "CTL0041" }, { "CTL0070" } } },
	/* Generic entries */
	{ .id = "CTLXXXX" , .devs = { { "CTL0031" }, { "CTL0021" } } },
	{ .id = "CTLXXXX" , .devs = { { "CTL0041" }, { "CTL0021" } } },
	{ .id = "CTLXXXX" , .devs = { { "CTL0042" }, { "CTL0022" } } },
	{ .id = "CTLXXXX" , .devs = { { "CTL0044" }, { "CTL0023" } } },
	{ .id = "CTLXXXX" , .devs = { { "CTL0045" }, { "CTL0022" } } },
	#endif /* SNDRV_SBAWE */
	{ .id = "", }
	};

	MODULE_DEVICE_TABLE(pnp_card, snd_sb16_pnpids);

	#endif /* CONFIG_PNP */

	#ifdef SNDRV_SBAWE_EMU8000
	#define DRIVER_NAME "snd-card-sbawe"
	#else
	#define DRIVER_NAME "snd-card-sb16"
	#endif

	#ifdef CONFIG_PNP

	static int snd_card_sb16_pnp(int dev, struct snd_card_sb16 *acard,
	struct pnp_card_link *card,
	const struct pnp_card_device_id *id)
	{
	struct pnp_dev *pdev;
	int err;

	acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
	if (acard->dev == NULL)
	return -ENODEV;

	#ifdef SNDRV_SBAWE_EMU8000
	acard->devwt = pnp_request_card_device(card, id->devs[1].id, acard->dev);
	#endif
	/* Audio initialization */
	pdev = acard->dev;

	err = pnp_activate_dev(pdev);
	if (err < 0) {
	snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
	return err;
	}
	port[dev] = pnp_port_start(pdev, 0);
	mpu_port[dev] = pnp_port_start(pdev, 1);
	fm_port[dev] = pnp_port_start(pdev, 2);
	dma8[dev] = pnp_dma(pdev, 0);
	dma16[dev] = pnp_dma(pdev, 1);
	irq[dev] = pnp_irq(pdev, 0);
	snd_printdd("pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n",
	port[dev], mpu_port[dev], fm_port[dev]);
	snd_printdd("pnp SB16: dma1=%i, dma2=%i, irq=%i\n",
	dma8[dev], dma16[dev], irq[dev]);
	#ifdef SNDRV_SBAWE_EMU8000
	/* WaveTable initialization */
	pdev = acard->devwt;
	if (pdev != NULL) {
	err = pnp_activate_dev(pdev);
	if (err < 0) {
	goto __wt_error;
	}
	awe_port[dev] = pnp_port_start(pdev, 0);
	snd_printdd("pnp SB16: wavetable port=0x%llx\n",
	(unsigned long long)pnp_port_start(pdev, 0));
	} else {
	__wt_error:
	if (pdev) {
	pnp_release_card_device(pdev);
	snd_printk(KERN_ERR PFX "WaveTable pnp configure failure\n");
	}
	acard->devwt = NULL;
	awe_port[dev] = -1;
	}
	#endif
	return 0;
	}

	#endif /* CONFIG_PNP */

	static void snd_sb16_free(struct snd_card *card)
	{
	struct snd_card_sb16 *acard = card->private_data;

	if (acard == NULL)
	return;
	release_and_free_resource(acard->fm_res);
	}

	#ifdef CONFIG_PNP
	#define is_isapnp_selected(dev) isapnp[dev]
	#else
	#define is_isapnp_selected(dev) 0
	#endif

	static int snd_sb16_card_new(struct device *devptr, int dev,
	struct snd_card **cardp)
	{
	struct snd_card *card;
	int err;

	err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE,
	sizeof(struct snd_card_sb16), &card);
	if (err < 0)
	return err;
	card->private_free = snd_sb16_free;
	*cardp = card;
	return 0;
	}

	static int snd_sb16_probe(struct snd_card *card, int dev)
	{
	int xirq, xdma8, xdma16;
	struct snd_sb *chip;
	struct snd_card_sb16 *acard = card->private_data;
	struct snd_opl3 *opl3;
	struct snd_hwdep *synth = NULL;
	#ifdef CONFIG_SND_SB16_CSP
	struct snd_hwdep *xcsp = NULL;
	#endif
	unsigned long flags;
	int err;

	xirq = irq[dev];
	xdma8 = dma8[dev];
	xdma16 = dma16[dev];

	if ((err = snd_sbdsp_create(card,
	port[dev],
	xirq,
	snd_sb16dsp_interrupt,
	xdma8,
	xdma16,
	SB_HW_AUTO,
	&chip)) < 0)
	return err;

	acard->chip = chip;
	if (chip->hardware != SB_HW_16) {
	snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]);
	return -ENODEV;
	}
	chip->mpu_port = mpu_port[dev];
	if (! is_isapnp_selected(dev) && (err = snd_sb16dsp_configure(chip)) < 0)
	return err;

	if ((err = snd_sb16dsp_pcm(chip, 0, &chip->pcm)) < 0)
	return err;

	strcpy(card->driver,
	#ifdef SNDRV_SBAWE_EMU8000
	awe_port[dev] > 0 ? "SB AWE" :
	#endif
	"SB16");
	strcpy(card->shortname, chip->name);
	sprintf(card->longname, "%s at 0x%lx, irq %i, dma ",
	chip->name,
	chip->port,
	xirq);
	if (xdma8 >= 0)
	sprintf(card->longname + strlen(card->longname), "%d", xdma8);
	if (xdma16 >= 0)
	sprintf(card->longname + strlen(card->longname), "%s%d",
	xdma8 >= 0 ? "&" : "", xdma16);

	if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) {
	if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,
	chip->mpu_port,
	MPU401_INFO_IRQ_HOOK, -1,
	&chip->rmidi)) < 0)
	return err;
	chip->rmidi_callback = snd_mpu401_uart_interrupt;
	}

	#ifdef SNDRV_SBAWE_EMU8000
	if (awe_port[dev] == SNDRV_AUTO_PORT)
	awe_port[dev] = 0; /* disable */
	#endif

	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
	if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
	OPL3_HW_OPL3,
	acard->fm_res != NULL \|\| fm_port[dev] == port[dev],
	&opl3) < 0) {
	snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n",
	fm_port[dev], fm_port[dev] + 2);
	} else {
	#ifdef SNDRV_SBAWE_EMU8000
	int seqdev = awe_port[dev] > 0 ? 2 : 1;
	#else
	int seqdev = 1;
	#endif
	if ((err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth)) < 0)
	return err;
	}
	}

	if ((err = snd_sbmixer_new(chip)) < 0)
	return err;

	#ifdef CONFIG_SND_SB16_CSP
	/* CSP chip on SB16ASP/AWE32 */
	if ((chip->hardware == SB_HW_16) && csp[dev]) {
	snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp);
	if (xcsp) {
	chip->csp = xcsp->private_data;
	chip->hardware = SB_HW_16CSP;
	} else {
	snd_printk(KERN_INFO PFX "warning - CSP chip not detected on soundcard #%i\n", dev + 1);
	}
	}
	#endif
	#ifdef SNDRV_SBAWE_EMU8000
	if (awe_port[dev] > 0) {
	if ((err = snd_emu8000_new(card, 1, awe_port[dev],
	seq_ports[dev], NULL)) < 0) {
	snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]);

	return err;
	}
	}
	#endif

	/* setup Mic AGC */
	spin_lock_irqsave(&chip->mixer_lock, flags);
	snd_sbmixer_write(chip, SB_DSP4_MIC_AGC,
	(snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) \|
	(mic_agc[dev] ? 0x00 : 0x01));
	spin_unlock_irqrestore(&chip->mixer_lock, flags);

	if ((err = snd_card_register(card)) < 0)
	return err;

	return 0;
	}

	#ifdef CONFIG_PM
	static int snd_sb16_suspend(struct snd_card *card, pm_message_t state)
	{
	struct snd_card_sb16 *acard = card->private_data;
	struct snd_sb *chip = acard->chip;

	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	snd_pcm_suspend_all(chip->pcm);
	snd_sbmixer_suspend(chip);
	return 0;
	}

	static int snd_sb16_resume(struct snd_card *card)
	{
	struct snd_card_sb16 *acard = card->private_data;
	struct snd_sb *chip = acard->chip;

	snd_sbdsp_reset(chip);
	snd_sbmixer_resume(chip);
	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	return 0;
	}
	#endif

	static int snd_sb16_isa_probe1(int dev, struct device *pdev)
	{
	struct snd_card_sb16 *acard;
	struct snd_card *card;
	int err;

	err = snd_sb16_card_new(pdev, dev, &card);
	if (err < 0)
	return err;

	acard = card->private_data;
	/* non-PnP FM port address is hardwired with base port address */
	fm_port[dev] = port[dev];
	/* block the 0x388 port to avoid PnP conflicts */
	acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
	#ifdef SNDRV_SBAWE_EMU8000
	/* non-PnP AWE port address is hardwired with base port address */
	awe_port[dev] = port[dev] + 0x400;
	#endif

	if ((err = snd_sb16_probe(card, dev)) < 0) {
	snd_card_free(card);
	return err;
	}
	dev_set_drvdata(pdev, card);
	return 0;
	}


	static int snd_sb16_isa_match(struct device *pdev, unsigned int dev)
	{
	return enable[dev] && !is_isapnp_selected(dev);
	}

	static int snd_sb16_isa_probe(struct device *pdev, unsigned int dev)
	{
	int err;
	static int possible_irqs[] = {5, 9, 10, 7, -1};
	static int possible_dmas8[] = {1, 3, 0, -1};
	static int possible_dmas16[] = {5, 6, 7, -1};

	if (irq[dev] == SNDRV_AUTO_IRQ) {
	if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
	snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
	return -EBUSY;
	}
	}
	if (dma8[dev] == SNDRV_AUTO_DMA) {
	if ((dma8[dev] = snd_legacy_find_free_dma(possible_dmas8)) < 0) {
	snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n");
	return -EBUSY;
	}
	}
	if (dma16[dev] == SNDRV_AUTO_DMA) {
	if ((dma16[dev] = snd_legacy_find_free_dma(possible_dmas16)) < 0) {
	snd_printk(KERN_ERR PFX "unable to find a free 16-bit DMA\n");
	return -EBUSY;
	}
	}

	if (port[dev] != SNDRV_AUTO_PORT)
	return snd_sb16_isa_probe1(dev, pdev);
	else {
	static int possible_ports[] = {0x220, 0x240, 0x260, 0x280};
	int i;
	for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
	port[dev] = possible_ports[i];
	err = snd_sb16_isa_probe1(dev, pdev);
	if (! err)
	return 0;
	}
	return err;
	}
	}

	static int snd_sb16_isa_remove(struct device *pdev, unsigned int dev)
	{
	snd_card_free(dev_get_drvdata(pdev));
	return 0;
	}

	#ifdef CONFIG_PM
	static int snd_sb16_isa_suspend(struct device *dev, unsigned int n,
	pm_message_t state)
	{
	return snd_sb16_suspend(dev_get_drvdata(dev), state);
	}

	static int snd_sb16_isa_resume(struct device *dev, unsigned int n)
	{
	return snd_sb16_resume(dev_get_drvdata(dev));
	}
	#endif

	#ifdef SNDRV_SBAWE
	#define DEV_NAME "sbawe"
	#else
	#define DEV_NAME "sb16"
	#endif

	static struct isa_driver snd_sb16_isa_driver = {
	.match = snd_sb16_isa_match,
	.probe = snd_sb16_isa_probe,
	.remove = snd_sb16_isa_remove,
	#ifdef CONFIG_PM
	.suspend = snd_sb16_isa_suspend,
	.resume = snd_sb16_isa_resume,
	#endif
	.driver = {
	.name = DEV_NAME
	},
	};


	#ifdef CONFIG_PNP
	static int snd_sb16_pnp_detect(struct pnp_card_link *pcard,
	const struct pnp_card_device_id *pid)
	{
	static int dev;
	struct snd_card *card;
	int res;

	for ( ; dev < SNDRV_CARDS; dev++) {
	if (!enable[dev] \|\| !isapnp[dev])
	continue;
	res = snd_sb16_card_new(&pcard->card->dev, dev, &card);
	if (res < 0)
	return res;
	if ((res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid)) < 0 \|\|
	(res = snd_sb16_probe(card, dev)) < 0) {
	snd_card_free(card);
	return res;
	}
	pnp_set_card_drvdata(pcard, card);
	dev++;
	return 0;
	}

	return -ENODEV;
	}

	static void snd_sb16_pnp_remove(struct pnp_card_link *pcard)
	{
	snd_card_free(pnp_get_card_drvdata(pcard));
	pnp_set_card_drvdata(pcard, NULL);
	}

	#ifdef CONFIG_PM
	static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
	{
	return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state);
	}
	static int snd_sb16_pnp_resume(struct pnp_card_link *pcard)
	{
	return snd_sb16_resume(pnp_get_card_drvdata(pcard));
	}
	#endif

	static struct pnp_card_driver sb16_pnpc_driver = {
	.flags = PNP_DRIVER_RES_DISABLE,
	#ifdef SNDRV_SBAWE
	.name = "sbawe",
	#else
	.name = "sb16",
	#endif
	.id_table = snd_sb16_pnpids,
	.probe = snd_sb16_pnp_detect,
	.remove = snd_sb16_pnp_remove,
	#ifdef CONFIG_PM
	.suspend = snd_sb16_pnp_suspend,
	.resume = snd_sb16_pnp_resume,
	#endif
	};

	#endif /* CONFIG_PNP */

	static int __init alsa_card_sb16_init(void)
	{
	int err;

	err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS);
	#ifdef CONFIG_PNP
	if (!err)
	isa_registered = 1;

	err = pnp_register_card_driver(&sb16_pnpc_driver);
	if (!err)
	pnp_registered = 1;

	if (isa_registered)
	err = 0;
	#endif
	return err;
	}

	static void __exit alsa_card_sb16_exit(void)
	{
	#ifdef CONFIG_PNP
	if (pnp_registered)
	pnp_unregister_card_driver(&sb16_pnpc_driver);
	if (isa_registered)
	#endif
	isa_unregister_driver(&snd_sb16_isa_driver);
	}

	module_init(alsa_card_sb16_init)
	module_exit(alsa_card_sb16_exit)