Adding upstream version 5.10.209.upstream/5.10.209

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 681 insertions, 0 deletions

diff --git a/sound/isa/sb/sb16.c b/sound/isa/sb/sb16.c
new file mode 100644
index 000000000..479197c13
--- /dev/null
+++ b/sound/isa/sb/sb16.c
@@ -0,0 +1,681 @@
+// 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 <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) && 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) { 
+		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)) < 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_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 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) {
+		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 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;
+	}
+}
+
+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)