Adding upstream version 6.6.15.upstream/6.6.15

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

1 files changed, 220 insertions, 0 deletions

diff --git a/sound/isa/sb/sb8.c b/sound/isa/sb/sb8.c
new file mode 100644
index 0000000000..e5ef177716
--- /dev/null
+++ b/sound/isa/sb/sb8.c
@@ -0,0 +1,220 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *  Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible
+ *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/isa.h>
+#include <linux/ioport.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/sb.h>
+#include <sound/opl3.h>
+#include <sound/initval.h>
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro");
+MODULE_LICENSE("GPL");
+
+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;	/* Enable this card */
+static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260 */
+static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
+static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 1,3 */
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard.");
+module_param_hw_array(port, long, ioport, NULL, 0444);
+MODULE_PARM_DESC(port, "Port # for SB8 driver.");
+module_param_hw_array(irq, int, irq, NULL, 0444);
+MODULE_PARM_DESC(irq, "IRQ # for SB8 driver.");
+module_param_hw_array(dma8, int, dma, NULL, 0444);
+MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver.");
+
+struct snd_sb8 {
+	struct resource *fm_res;	/* used to block FM i/o region for legacy cards */
+	struct snd_sb *chip;
+};
+
+static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id)
+{
+	struct snd_sb *chip = dev_id;
+
+	if (chip->open & SB_OPEN_PCM) {
+		return snd_sb8dsp_interrupt(chip);
+	} else {
+		return snd_sb8dsp_midi_interrupt(chip);
+	}
+}
+
+static int snd_sb8_match(struct device *pdev, unsigned int dev)
+{
+	if (!enable[dev])
+		return 0;
+	if (irq[dev] == SNDRV_AUTO_IRQ) {
+		dev_err(pdev, "please specify irq\n");
+		return 0;
+	}
+	if (dma8[dev] == SNDRV_AUTO_DMA) {
+		dev_err(pdev, "please specify dma8\n");
+		return 0;
+	}
+	return 1;
+}
+
+static int snd_sb8_probe(struct device *pdev, unsigned int dev)
+{
+	struct snd_sb *chip;
+	struct snd_card *card;
+	struct snd_sb8 *acard;
+	struct snd_opl3 *opl3;
+	int err;
+
+	err = snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE,
+				sizeof(struct snd_sb8), &card);
+	if (err < 0)
+		return err;
+	acard = card->private_data;
+
+	/*
+	 * Block the 0x388 port to avoid PnP conflicts.
+	 * No need to check this value after request_region,
+	 * as we never do anything with it.
+	 */
+	acard->fm_res = devm_request_region(card->dev, 0x388, 4,
+					    "SoundBlaster FM");
+
+	if (port[dev] != SNDRV_AUTO_PORT) {
+		err = snd_sbdsp_create(card, port[dev], irq[dev],
+				       snd_sb8_interrupt, dma8[dev],
+				       -1, SB_HW_AUTO, &chip);
+		if (err < 0)
+			return err;
+	} else {
+		/* auto-probe legacy ports */
+		static const unsigned long possible_ports[] = {
+			0x220, 0x240, 0x260,
+		};
+		int i;
+		for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
+			err = snd_sbdsp_create(card, possible_ports[i],
+					       irq[dev],
+					       snd_sb8_interrupt,
+					       dma8[dev],
+					       -1,
+					       SB_HW_AUTO,
+					       &chip);
+			if (err >= 0) {
+				port[dev] = possible_ports[i];
+				break;
+			}
+		}
+		if (i >= ARRAY_SIZE(possible_ports))
+			return -EINVAL;
+	}
+	acard->chip = chip;
+			
+	if (chip->hardware >= SB_HW_16) {
+		if (chip->hardware == SB_HW_ALS100)
+			snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n",
+				    port[dev]);
+		else
+			snd_printk(KERN_WARNING "SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
+				   port[dev]);
+		return -ENODEV;
+	}
+
+	err = snd_sb8dsp_pcm(chip, 0);
+	if (err < 0)
+		return err;
+
+	err = snd_sbmixer_new(chip);
+	if (err < 0)
+		return err;
+
+	if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) {
+		err = snd_opl3_create(card, chip->port + 8, 0,
+				      OPL3_HW_AUTO, 1, &opl3);
+		if (err < 0)
+			snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8);
+	} else {
+		err = snd_opl3_create(card, chip->port, chip->port + 2,
+				      OPL3_HW_AUTO, 1, &opl3);
+		if (err < 0) {
+			snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n",
+				   chip->port, chip->port + 2);
+		}
+	}
+	if (err >= 0) {
+		err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
+		if (err < 0)
+			return err;
+	}
+
+	err = snd_sb8dsp_midi(chip, 0);
+	if (err < 0)
+		return err;
+
+	strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8");
+	strcpy(card->shortname, chip->name);
+	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
+		chip->name,
+		chip->port,
+		irq[dev], dma8[dev]);
+
+	err = snd_card_register(card);
+	if (err < 0)
+		return err;
+
+	dev_set_drvdata(pdev, card);
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int snd_sb8_suspend(struct device *dev, unsigned int n,
+			   pm_message_t state)
+{
+	struct snd_card *card = dev_get_drvdata(dev);
+	struct snd_sb8 *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_sb8_resume(struct device *dev, unsigned int n)
+{
+	struct snd_card *card = dev_get_drvdata(dev);
+	struct snd_sb8 *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
+
+#define DEV_NAME "sb8"
+
+static struct isa_driver snd_sb8_driver = {
+	.match		= snd_sb8_match,
+	.probe		= snd_sb8_probe,
+#ifdef CONFIG_PM
+	.suspend	= snd_sb8_suspend,
+	.resume		= snd_sb8_resume,
+#endif
+	.driver		= {
+		.name	= DEV_NAME 
+	},
+};
+
+module_isa_driver(snd_sb8_driver, SNDRV_CARDS);