[linux-block.git] / sound / isa / sb / sb16.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Driver for SoundBlaster 16/AWE32/AWE64 soundcards
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 */

#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 <linux/string.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>

MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
#ifndef SNDRV_SBAWE
MODULE_DESCRIPTION("Sound Blaster 16");
#else
MODULE_DESCRIPTION("Sound Blaster AWE");
#endif

#if 0
#define SNDRV_DEBUG_IRQ
#endif

#if defined(SNDRV_SBAWE) && IS_ENABLED(CONFIG_SND_SEQUENCER)
#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_hw_array(port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for SB16 driver.");
module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver.");
module_param_hw_array(fm_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver.");
#ifdef SNDRV_SBAWE_EMU8000
module_param_hw_array(awe_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver.");
#endif
module_param_hw_array(irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for SB16 driver.");
module_param_hw_array(dma8, int, dma, NULL, 0444);
MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver.");
module_param_hw_array(dma16, int, dma, 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 const 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) { 
		dev_err(&pdev->dev, "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);
	dev_dbg(&pdev->dev, "pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n",
		port[dev], mpu_port[dev], fm_port[dev]);
	dev_dbg(&pdev->dev, "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);
		dev_dbg(&pdev->dev, "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);
			dev_err(&pdev->dev, "WaveTable pnp configure failure\n");
		}
		acard->devwt = NULL;
		awe_port[dev] = -1;
	}
#endif
	return 0;
}

#endif /* CONFIG_PNP */

#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_devm_card_new(devptr, index[dev], id[dev], THIS_MODULE,
				sizeof(struct snd_card_sb16), &card);
	if (err < 0)
		return err;
	*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];

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

	acard->chip = chip;
	if (chip->hardware != SB_HW_16) {
		dev_err(card->dev, "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);
		if (err < 0)
			return err;
	}

	err = snd_sb16dsp_pcm(chip, 0);
	if (err < 0)
		return err;

	strscpy(card->driver,
#ifdef SNDRV_SBAWE_EMU8000
			awe_port[dev] > 0 ? "SB AWE" :
#endif
			"SB16");
	strscpy(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) {
		err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,
					  chip->mpu_port,
					  MPU401_INFO_IRQ_HOOK, -1,
					  &chip->rmidi);
		if (err < 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) {
			dev_err(card->dev, "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
			err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth);
			if (err < 0)
				return err;
		}
	}

	err = snd_sbmixer_new(chip);
	if (err < 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 {
			dev_info(card->dev,
				 "warning - CSP chip not detected on soundcard #%i\n",
				 dev + 1);
		}
	}
#endif
#ifdef SNDRV_SBAWE_EMU8000
	if (awe_port[dev] > 0) {
		err = snd_emu8000_new(card, 1, awe_port[dev],
				      seq_ports[dev], NULL);
		if (err < 0) {
			dev_err(card->dev,
				"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);

	err = snd_card_register(card);
	if (err < 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_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 = devm_request_region(card->dev, 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

	err = snd_sb16_probe(card, dev);
	if (err < 0)
		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 const int possible_irqs[] = {5, 9, 10, 7, -1};
	static const int possible_dmas8[] = {1, 3, 0, -1};
	static const int possible_dmas16[] = {5, 6, 7, -1};

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

#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,
#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;
		res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid);
		if (res < 0)
			return res;
		res = snd_sb16_probe(card, dev);
		if (res < 0)
			return res;
		pnp_set_card_drvdata(pcard, card);
		dev++;
		return 0;
	}

	return -ENODEV;
}

#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,
#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)
Commit	Line	Data
	1	// SPDX-License-Identifier: GPL-2.0-or-later
	2	/*
	3	* Driver for SoundBlaster 16/AWE32/AWE64 soundcards
	4	* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
	5	*/
	6
	7	#include <asm/dma.h>
	8	#include <linux/init.h>
	9	#include <linux/pnp.h>
	10	#include <linux/err.h>
	11	#include <linux/isa.h>
	12	#include <linux/module.h>
	13	#include <linux/string.h>
	14	#include <sound/core.h>
	15	#include <sound/sb.h>
	16	#include <sound/sb16_csp.h>
	17	#include <sound/mpu401.h>
	18	#include <sound/opl3.h>
	19	#include <sound/emu8000.h>
	20	#include <sound/seq_device.h>
	21	#define SNDRV_LEGACY_FIND_FREE_IRQ
	22	#define SNDRV_LEGACY_FIND_FREE_DMA
	23	#include <sound/initval.h>
	24
	25	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
	26	MODULE_LICENSE("GPL");
	27	#ifndef SNDRV_SBAWE
	28	MODULE_DESCRIPTION("Sound Blaster 16");
	29	#else
	30	MODULE_DESCRIPTION("Sound Blaster AWE");
	31	#endif
	32
	33	#if 0
	34	#define SNDRV_DEBUG_IRQ
	35	#endif
	36
	37	#if defined(SNDRV_SBAWE) && IS_ENABLED(CONFIG_SND_SEQUENCER)
	38	#define SNDRV_SBAWE_EMU8000
	39	#endif
	40
	41	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	42	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
	43	static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
	44	#ifdef CONFIG_PNP
	45	static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
	46	#endif
	47	static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260,0x280 */
	48	static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x330,0x300 */
	49	static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
	50	#ifdef SNDRV_SBAWE_EMU8000
	51	static long awe_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
	52	#endif
	53	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
	54	static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
	55	static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 5,6,7 */
	56	static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
	57	#ifdef CONFIG_SND_SB16_CSP
	58	static int csp[SNDRV_CARDS];
	59	#endif
	60	#ifdef SNDRV_SBAWE_EMU8000
	61	static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};
	62	#endif
	63
	64	module_param_array(index, int, NULL, 0444);
	65	MODULE_PARM_DESC(index, "Index value for SoundBlaster 16 soundcard.");
	66	module_param_array(id, charp, NULL, 0444);
	67	MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard.");
	68	module_param_array(enable, bool, NULL, 0444);
	69	MODULE_PARM_DESC(enable, "Enable SoundBlaster 16 soundcard.");
	70	#ifdef CONFIG_PNP
	71	module_param_array(isapnp, bool, NULL, 0444);
	72	MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
	73	#endif
	74	module_param_hw_array(port, long, ioport, NULL, 0444);
	75	MODULE_PARM_DESC(port, "Port # for SB16 driver.");
	76	module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
	77	MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver.");
	78	module_param_hw_array(fm_port, long, ioport, NULL, 0444);
	79	MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver.");
	80	#ifdef SNDRV_SBAWE_EMU8000
	81	module_param_hw_array(awe_port, long, ioport, NULL, 0444);
	82	MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver.");
	83	#endif
	84	module_param_hw_array(irq, int, irq, NULL, 0444);
	85	MODULE_PARM_DESC(irq, "IRQ # for SB16 driver.");
	86	module_param_hw_array(dma8, int, dma, NULL, 0444);
	87	MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver.");
	88	module_param_hw_array(dma16, int, dma, NULL, 0444);
	89	MODULE_PARM_DESC(dma16, "16-bit DMA # for SB16 driver.");
	90	module_param_array(mic_agc, int, NULL, 0444);
	91	MODULE_PARM_DESC(mic_agc, "Mic Auto-Gain-Control switch.");
	92	#ifdef CONFIG_SND_SB16_CSP
	93	module_param_array(csp, int, NULL, 0444);
	94	MODULE_PARM_DESC(csp, "ASP/CSP chip support.");
	95	#endif
	96	#ifdef SNDRV_SBAWE_EMU8000
	97	module_param_array(seq_ports, int, NULL, 0444);
	98	MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth.");
	99	#endif
	100
	101	#ifdef CONFIG_PNP
	102	static int isa_registered;
	103	static int pnp_registered;
	104	#endif
	105
	106	struct snd_card_sb16 {
	107	struct resource fm_res; / used to block FM i/o region for legacy cards */
	108	struct snd_sb *chip;
	109	#ifdef CONFIG_PNP
	110	int dev_no;
	111	struct pnp_dev *dev;
	112	#ifdef SNDRV_SBAWE_EMU8000
	113	struct pnp_dev *devwt;
	114	#endif
	115	#endif
	116	};
	117
	118	#ifdef CONFIG_PNP
	119
	120	static const struct pnp_card_device_id snd_sb16_pnpids[] = {
	121	#ifndef SNDRV_SBAWE
	122	/* Sound Blaster 16 PnP */
	123	{ .id = "CTL0024", .devs = { { "CTL0031" } } },
	124	/* Sound Blaster 16 PnP */
	125	{ .id = "CTL0025", .devs = { { "CTL0031" } } },
	126	/* Sound Blaster 16 PnP */
	127	{ .id = "CTL0026", .devs = { { "CTL0031" } } },
	128	/* Sound Blaster 16 PnP */
	129	{ .id = "CTL0027", .devs = { { "CTL0031" } } },
	130	/* Sound Blaster 16 PnP */
	131	{ .id = "CTL0028", .devs = { { "CTL0031" } } },
	132	/* Sound Blaster 16 PnP */
	133	{ .id = "CTL0029", .devs = { { "CTL0031" } } },
	134	/* Sound Blaster 16 PnP */
	135	{ .id = "CTL002a", .devs = { { "CTL0031" } } },
	136	/* Sound Blaster 16 PnP */
	137	/* Note: This card has also a CTL0051:StereoEnhance device!!! */
	138	{ .id = "CTL002b", .devs = { { "CTL0031" } } },
	139	/* Sound Blaster 16 PnP */
	140	{ .id = "CTL002c", .devs = { { "CTL0031" } } },
	141	/* Sound Blaster Vibra16S */
	142	{ .id = "CTL0051", .devs = { { "CTL0001" } } },
	143	/* Sound Blaster Vibra16C */
	144	{ .id = "CTL0070", .devs = { { "CTL0001" } } },
	145	/* Sound Blaster Vibra16CL - added by ctm@ardi.com */
	146	{ .id = "CTL0080", .devs = { { "CTL0041" } } },
	147	/* Sound Blaster 16 'value' PnP. It says model ct4130 on the pcb, */
	148	/* but ct4131 on a sticker on the board.. */
	149	{ .id = "CTL0086", .devs = { { "CTL0041" } } },
	150	/* Sound Blaster Vibra16X */
	151	{ .id = "CTL00f0", .devs = { { "CTL0043" } } },
	152	/* Sound Blaster 16 (Virtual PC 2004) */
	153	{ .id = "tBA03b0", .devs = { {.id="PNPb003" } } },
	154	#else /* SNDRV_SBAWE defined */
	155	/* Sound Blaster AWE 32 PnP */
	156	{ .id = "CTL0035", .devs = { { "CTL0031" }, { "CTL0021" } } },
	157	/* Sound Blaster AWE 32 PnP */
	158	{ .id = "CTL0039", .devs = { { "CTL0031" }, { "CTL0021" } } },
	159	/* Sound Blaster AWE 32 PnP */
	160	{ .id = "CTL0042", .devs = { { "CTL0031" }, { "CTL0021" } } },
	161	/* Sound Blaster AWE 32 PnP */
	162	{ .id = "CTL0043", .devs = { { "CTL0031" }, { "CTL0021" } } },
	163	/* Sound Blaster AWE 32 PnP */
	164	/* Note: This card has also a CTL0051:StereoEnhance device!!! */
	165	{ .id = "CTL0044", .devs = { { "CTL0031" }, { "CTL0021" } } },
	166	/* Sound Blaster AWE 32 PnP */
	167	/* Note: This card has also a CTL0051:StereoEnhance device!!! */
	168	{ .id = "CTL0045", .devs = { { "CTL0031" }, { "CTL0021" } } },
	169	/* Sound Blaster AWE 32 PnP */
	170	{ .id = "CTL0046", .devs = { { "CTL0031" }, { "CTL0021" } } },
	171	/* Sound Blaster AWE 32 PnP */
	172	{ .id = "CTL0047", .devs = { { "CTL0031" }, { "CTL0021" } } },
	173	/* Sound Blaster AWE 32 PnP */
	174	{ .id = "CTL0048", .devs = { { "CTL0031" }, { "CTL0021" } } },
	175	/* Sound Blaster AWE 32 PnP */
	176	{ .id = "CTL0054", .devs = { { "CTL0031" }, { "CTL0021" } } },
	177	/* Sound Blaster AWE 32 PnP */
	178	{ .id = "CTL009a", .devs = { { "CTL0041" }, { "CTL0021" } } },
	179	/* Sound Blaster AWE 32 PnP */
	180	{ .id = "CTL009c", .devs = { { "CTL0041" }, { "CTL0021" } } },
	181	/* Sound Blaster 32 PnP */
	182	{ .id = "CTL009f", .devs = { { "CTL0041" }, { "CTL0021" } } },
	183	/* Sound Blaster AWE 64 PnP */
	184	{ .id = "CTL009d", .devs = { { "CTL0042" }, { "CTL0022" } } },
	185	/* Sound Blaster AWE 64 PnP Gold */
	186	{ .id = "CTL009e", .devs = { { "CTL0044" }, { "CTL0023" } } },
	187	/* Sound Blaster AWE 64 PnP Gold */
	188	{ .id = "CTL00b2", .devs = { { "CTL0044" }, { "CTL0023" } } },
	189	/* Sound Blaster AWE 64 PnP */
	190	{ .id = "CTL00c1", .devs = { { "CTL0042" }, { "CTL0022" } } },
	191	/* Sound Blaster AWE 64 PnP */
	192	{ .id = "CTL00c3", .devs = { { "CTL0045" }, { "CTL0022" } } },
	193	/* Sound Blaster AWE 64 PnP */
	194	{ .id = "CTL00c5", .devs = { { "CTL0045" }, { "CTL0022" } } },
	195	/* Sound Blaster AWE 64 PnP */
	196	{ .id = "CTL00c7", .devs = { { "CTL0045" }, { "CTL0022" } } },
	197	/* Sound Blaster AWE 64 PnP */
	198	{ .id = "CTL00e4", .devs = { { "CTL0045" }, { "CTL0022" } } },
	199	/* Sound Blaster AWE 64 PnP */
	200	{ .id = "CTL00e9", .devs = { { "CTL0045" }, { "CTL0022" } } },
	201	/* Sound Blaster 16 PnP (AWE) */
	202	{ .id = "CTL00ed", .devs = { { "CTL0041" }, { "CTL0070" } } },
	203	/* Generic entries */
	204	{ .id = "CTLXXXX" , .devs = { { "CTL0031" }, { "CTL0021" } } },
	205	{ .id = "CTLXXXX" , .devs = { { "CTL0041" }, { "CTL0021" } } },
	206	{ .id = "CTLXXXX" , .devs = { { "CTL0042" }, { "CTL0022" } } },
	207	{ .id = "CTLXXXX" , .devs = { { "CTL0044" }, { "CTL0023" } } },
	208	{ .id = "CTLXXXX" , .devs = { { "CTL0045" }, { "CTL0022" } } },
	209	#endif /* SNDRV_SBAWE */
	210	{ .id = "", }
	211	};
	212
	213	MODULE_DEVICE_TABLE(pnp_card, snd_sb16_pnpids);
	214
	215	#endif /* CONFIG_PNP */
	216
	217	#ifdef SNDRV_SBAWE_EMU8000
	218	#define DRIVER_NAME "snd-card-sbawe"
	219	#else
	220	#define DRIVER_NAME "snd-card-sb16"
	221	#endif
	222
	223	#ifdef CONFIG_PNP
	224
	225	static int snd_card_sb16_pnp(int dev, struct snd_card_sb16 *acard,
	226	struct pnp_card_link *card,
	227	const struct pnp_card_device_id *id)
	228	{
	229	struct pnp_dev *pdev;
	230	int err;
	231
	232	acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
	233	if (acard->dev == NULL)
	234	return -ENODEV;
	235
	236	#ifdef SNDRV_SBAWE_EMU8000
	237	acard->devwt = pnp_request_card_device(card, id->devs[1].id, acard->dev);
	238	#endif
	239	/* Audio initialization */
	240	pdev = acard->dev;
	241
	242	err = pnp_activate_dev(pdev);
	243	if (err < 0) {
	244	dev_err(&pdev->dev, "AUDIO pnp configure failure\n");
	245	return err;
	246	}
	247	port[dev] = pnp_port_start(pdev, 0);
	248	mpu_port[dev] = pnp_port_start(pdev, 1);
	249	fm_port[dev] = pnp_port_start(pdev, 2);
	250	dma8[dev] = pnp_dma(pdev, 0);
	251	dma16[dev] = pnp_dma(pdev, 1);
	252	irq[dev] = pnp_irq(pdev, 0);
	253	dev_dbg(&pdev->dev, "pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n",
	254	port[dev], mpu_port[dev], fm_port[dev]);
	255	dev_dbg(&pdev->dev, "pnp SB16: dma1=%i, dma2=%i, irq=%i\n",
	256	dma8[dev], dma16[dev], irq[dev]);
	257	#ifdef SNDRV_SBAWE_EMU8000
	258	/* WaveTable initialization */
	259	pdev = acard->devwt;
	260	if (pdev != NULL) {
	261	err = pnp_activate_dev(pdev);
	262	if (err < 0) {
	263	goto __wt_error;
	264	}
	265	awe_port[dev] = pnp_port_start(pdev, 0);
	266	dev_dbg(&pdev->dev, "pnp SB16: wavetable port=0x%llx\n",
	267	(unsigned long long)pnp_port_start(pdev, 0));
	268	} else {
	269	__wt_error:
	270	if (pdev) {
	271	pnp_release_card_device(pdev);
	272	dev_err(&pdev->dev, "WaveTable pnp configure failure\n");
	273	}
	274	acard->devwt = NULL;
	275	awe_port[dev] = -1;
	276	}
	277	#endif
	278	return 0;
	279	}
	280
	281	#endif /* CONFIG_PNP */
	282
	283	#ifdef CONFIG_PNP
	284	#define is_isapnp_selected(dev) isapnp[dev]
	285	#else
	286	#define is_isapnp_selected(dev) 0
	287	#endif
	288
	289	static int snd_sb16_card_new(struct device *devptr, int dev,
	290	struct snd_card **cardp)
	291	{
	292	struct snd_card *card;
	293	int err;
	294
	295	err = snd_devm_card_new(devptr, index[dev], id[dev], THIS_MODULE,
	296	sizeof(struct snd_card_sb16), &card);
	297	if (err < 0)
	298	return err;
	299	*cardp = card;
	300	return 0;
	301	}
	302
	303	static int snd_sb16_probe(struct snd_card *card, int dev)
	304	{
	305	int xirq, xdma8, xdma16;
	306	struct snd_sb *chip;
	307	struct snd_card_sb16 *acard = card->private_data;
	308	struct snd_opl3 *opl3;
	309	struct snd_hwdep *synth = NULL;
	310	#ifdef CONFIG_SND_SB16_CSP
	311	struct snd_hwdep *xcsp = NULL;
	312	#endif
	313	unsigned long flags;
	314	int err;
	315
	316	xirq = irq[dev];
	317	xdma8 = dma8[dev];
	318	xdma16 = dma16[dev];
	319
	320	err = snd_sbdsp_create(card, port[dev], xirq, snd_sb16dsp_interrupt,
	321	xdma8, xdma16, SB_HW_AUTO, &chip);
	322	if (err < 0)
	323	return err;
	324
	325	acard->chip = chip;
	326	if (chip->hardware != SB_HW_16) {
	327	dev_err(card->dev, "SB 16 chip was not detected at 0x%lx\n", port[dev]);
	328	return -ENODEV;
	329	}
	330	chip->mpu_port = mpu_port[dev];
	331	if (!is_isapnp_selected(dev)) {
	332	err = snd_sb16dsp_configure(chip);
	333	if (err < 0)
	334	return err;
	335	}
	336
	337	err = snd_sb16dsp_pcm(chip, 0);
	338	if (err < 0)
	339	return err;
	340
	341	strscpy(card->driver,
	342	#ifdef SNDRV_SBAWE_EMU8000
	343	awe_port[dev] > 0 ? "SB AWE" :
	344	#endif
	345	"SB16");
	346	strscpy(card->shortname, chip->name);
	347	sprintf(card->longname, "%s at 0x%lx, irq %i, dma ",
	348	chip->name,
	349	chip->port,
	350	xirq);
	351	if (xdma8 >= 0)
	352	sprintf(card->longname + strlen(card->longname), "%d", xdma8);
	353	if (xdma16 >= 0)
	354	sprintf(card->longname + strlen(card->longname), "%s%d",
	355	xdma8 >= 0 ? "&" : "", xdma16);
	356
	357	if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) {
	358	err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,
	359	chip->mpu_port,
	360	MPU401_INFO_IRQ_HOOK, -1,
	361	&chip->rmidi);
	362	if (err < 0)
	363	return err;
	364	chip->rmidi_callback = snd_mpu401_uart_interrupt;
	365	}
	366
	367	#ifdef SNDRV_SBAWE_EMU8000
	368	if (awe_port[dev] == SNDRV_AUTO_PORT)
	369	awe_port[dev] = 0; /* disable */
	370	#endif
	371
	372	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
	373	if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
	374	OPL3_HW_OPL3,
	375	acard->fm_res != NULL \|\| fm_port[dev] == port[dev],
	376	&opl3) < 0) {
	377	dev_err(card->dev, "no OPL device at 0x%lx-0x%lx\n",
	378	fm_port[dev], fm_port[dev] + 2);
	379	} else {
	380	#ifdef SNDRV_SBAWE_EMU8000
	381	int seqdev = awe_port[dev] > 0 ? 2 : 1;
	382	#else
	383	int seqdev = 1;
	384	#endif
	385	err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth);
	386	if (err < 0)
	387	return err;
	388	}
	389	}
	390
	391	err = snd_sbmixer_new(chip);
	392	if (err < 0)
	393	return err;
	394
	395	#ifdef CONFIG_SND_SB16_CSP
	396	/* CSP chip on SB16ASP/AWE32 */
	397	if ((chip->hardware == SB_HW_16) && csp[dev]) {
	398	snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp);
	399	if (xcsp) {
	400	chip->csp = xcsp->private_data;
	401	chip->hardware = SB_HW_16CSP;
	402	} else {
	403	dev_info(card->dev,
	404	"warning - CSP chip not detected on soundcard #%i\n",
	405	dev + 1);
	406	}
	407	}
	408	#endif
	409	#ifdef SNDRV_SBAWE_EMU8000
	410	if (awe_port[dev] > 0) {
	411	err = snd_emu8000_new(card, 1, awe_port[dev],
	412	seq_ports[dev], NULL);
	413	if (err < 0) {
	414	dev_err(card->dev,
	415	"fatal error - EMU-8000 synthesizer not detected at 0x%lx\n",
	416	awe_port[dev]);
	417
	418	return err;
	419	}
	420	}
	421	#endif
	422
	423	/* setup Mic AGC */
	424	spin_lock_irqsave(&chip->mixer_lock, flags);
	425	snd_sbmixer_write(chip, SB_DSP4_MIC_AGC,
	426	(snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) \|
	427	(mic_agc[dev] ? 0x00 : 0x01));
	428	spin_unlock_irqrestore(&chip->mixer_lock, flags);
	429
	430	err = snd_card_register(card);
	431	if (err < 0)
	432	return err;
	433
	434	return 0;
	435	}
	436
	437	#ifdef CONFIG_PM
	438	static int snd_sb16_suspend(struct snd_card *card, pm_message_t state)
	439	{
	440	struct snd_card_sb16 *acard = card->private_data;
	441	struct snd_sb *chip = acard->chip;
	442
	443	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	444	snd_sbmixer_suspend(chip);
	445	return 0;
	446	}
	447
	448	static int snd_sb16_resume(struct snd_card *card)
	449	{
	450	struct snd_card_sb16 *acard = card->private_data;
	451	struct snd_sb *chip = acard->chip;
	452
	453	snd_sbdsp_reset(chip);
	454	snd_sbmixer_resume(chip);
	455	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	456	return 0;
	457	}
	458	#endif
	459
	460	static int snd_sb16_isa_probe1(int dev, struct device *pdev)
	461	{
	462	struct snd_card_sb16 *acard;
	463	struct snd_card *card;
	464	int err;
	465
	466	err = snd_sb16_card_new(pdev, dev, &card);
	467	if (err < 0)
	468	return err;
	469
	470	acard = card->private_data;
	471	/* non-PnP FM port address is hardwired with base port address */
	472	fm_port[dev] = port[dev];
	473	/* block the 0x388 port to avoid PnP conflicts */
	474	acard->fm_res = devm_request_region(card->dev, 0x388, 4,
	475	"SoundBlaster FM");
	476	#ifdef SNDRV_SBAWE_EMU8000
	477	/* non-PnP AWE port address is hardwired with base port address */
	478	awe_port[dev] = port[dev] + 0x400;
	479	#endif
	480
	481	err = snd_sb16_probe(card, dev);
	482	if (err < 0)
	483	return err;
	484	dev_set_drvdata(pdev, card);
	485	return 0;
	486	}
	487
	488
	489	static int snd_sb16_isa_match(struct device *pdev, unsigned int dev)
	490	{
	491	return enable[dev] && !is_isapnp_selected(dev);
	492	}
	493
	494	static int snd_sb16_isa_probe(struct device *pdev, unsigned int dev)
	495	{
	496	int err;
	497	static const int possible_irqs[] = {5, 9, 10, 7, -1};
	498	static const int possible_dmas8[] = {1, 3, 0, -1};
	499	static const int possible_dmas16[] = {5, 6, 7, -1};
	500
	501	if (irq[dev] == SNDRV_AUTO_IRQ) {
	502	irq[dev] = snd_legacy_find_free_irq(possible_irqs);
	503	if (irq[dev] < 0) {
	504	dev_err(pdev, "unable to find a free IRQ\n");
	505	return -EBUSY;
	506	}
	507	}
	508	if (dma8[dev] == SNDRV_AUTO_DMA) {
	509	dma8[dev] = snd_legacy_find_free_dma(possible_dmas8);
	510	if (dma8[dev] < 0) {
	511	dev_err(pdev, "unable to find a free 8-bit DMA\n");
	512	return -EBUSY;
	513	}
	514	}
	515	if (dma16[dev] == SNDRV_AUTO_DMA) {
	516	dma16[dev] = snd_legacy_find_free_dma(possible_dmas16);
	517	if (dma16[dev] < 0) {
	518	dev_err(pdev, "unable to find a free 16-bit DMA\n");
	519	return -EBUSY;
	520	}
	521	}
	522
	523	if (port[dev] != SNDRV_AUTO_PORT)
	524	return snd_sb16_isa_probe1(dev, pdev);
	525	else {
	526	static const int possible_ports[] = {0x220, 0x240, 0x260, 0x280};
	527	int i;
	528	for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
	529	port[dev] = possible_ports[i];
	530	err = snd_sb16_isa_probe1(dev, pdev);
	531	if (! err)
	532	return 0;
	533	}
	534	return err;
	535	}
	536	}
	537
	538	#ifdef CONFIG_PM
	539	static int snd_sb16_isa_suspend(struct device *dev, unsigned int n,
	540	pm_message_t state)
	541	{
	542	return snd_sb16_suspend(dev_get_drvdata(dev), state);
	543	}
	544
	545	static int snd_sb16_isa_resume(struct device *dev, unsigned int n)
	546	{
	547	return snd_sb16_resume(dev_get_drvdata(dev));
	548	}
	549	#endif
	550
	551	#ifdef SNDRV_SBAWE
	552	#define DEV_NAME "sbawe"
	553	#else
	554	#define DEV_NAME "sb16"
	555	#endif
	556
	557	static struct isa_driver snd_sb16_isa_driver = {
	558	.match = snd_sb16_isa_match,
	559	.probe = snd_sb16_isa_probe,
	560	#ifdef CONFIG_PM
	561	.suspend = snd_sb16_isa_suspend,
	562	.resume = snd_sb16_isa_resume,
	563	#endif
	564	.driver = {
	565	.name = DEV_NAME
	566	},
	567	};
	568
	569
	570	#ifdef CONFIG_PNP
	571	static int snd_sb16_pnp_detect(struct pnp_card_link *pcard,
	572	const struct pnp_card_device_id *pid)
	573	{
	574	static int dev;
	575	struct snd_card *card;
	576	int res;
	577
	578	for ( ; dev < SNDRV_CARDS; dev++) {
	579	if (!enable[dev] \|\| !isapnp[dev])
	580	continue;
	581	res = snd_sb16_card_new(&pcard->card->dev, dev, &card);
	582	if (res < 0)
	583	return res;
	584	res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid);
	585	if (res < 0)
	586	return res;
	587	res = snd_sb16_probe(card, dev);
	588	if (res < 0)
	589	return res;
	590	pnp_set_card_drvdata(pcard, card);
	591	dev++;
	592	return 0;
	593	}
	594
	595	return -ENODEV;
	596	}
	597
	598	#ifdef CONFIG_PM
	599	static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
	600	{
	601	return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state);
	602	}
	603	static int snd_sb16_pnp_resume(struct pnp_card_link *pcard)
	604	{
	605	return snd_sb16_resume(pnp_get_card_drvdata(pcard));
	606	}
	607	#endif
	608
	609	static struct pnp_card_driver sb16_pnpc_driver = {
	610	.flags = PNP_DRIVER_RES_DISABLE,
	611	#ifdef SNDRV_SBAWE
	612	.name = "sbawe",
	613	#else
	614	.name = "sb16",
	615	#endif
	616	.id_table = snd_sb16_pnpids,
	617	.probe = snd_sb16_pnp_detect,
	618	#ifdef CONFIG_PM
	619	.suspend = snd_sb16_pnp_suspend,
	620	.resume = snd_sb16_pnp_resume,
	621	#endif
	622	};
	623
	624	#endif /* CONFIG_PNP */
	625
	626	static int __init alsa_card_sb16_init(void)
	627	{
	628	int err;
	629
	630	err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS);
	631	#ifdef CONFIG_PNP
	632	if (!err)
	633	isa_registered = 1;
	634
	635	err = pnp_register_card_driver(&sb16_pnpc_driver);
	636	if (!err)
	637	pnp_registered = 1;
	638
	639	if (isa_registered)
	640	err = 0;
	641	#endif
	642	return err;
	643	}
	644
	645	static void __exit alsa_card_sb16_exit(void)
	646	{
	647	#ifdef CONFIG_PNP
	648	if (pnp_registered)
	649	pnp_unregister_card_driver(&sb16_pnpc_driver);
	650	if (isa_registered)
	651	#endif
	652	isa_unregister_driver(&snd_sb16_isa_driver);
	653	}
	654
	655	module_init(alsa_card_sb16_init)
	656	module_exit(alsa_card_sb16_exit)