243 строки
6.1 KiB
C
243 строки
6.1 KiB
C
// 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");
|
|
MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 1.0/SB 2.0/SB Pro}}");
|
|
|
|
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 void snd_sb8_free(struct snd_card *card)
|
|
{
|
|
struct snd_sb8 *acard = card->private_data;
|
|
|
|
if (acard == NULL)
|
|
return;
|
|
release_and_free_resource(acard->fm_res);
|
|
}
|
|
|
|
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_card_new(pdev, index[dev], id[dev], THIS_MODULE,
|
|
sizeof(struct snd_sb8), &card);
|
|
if (err < 0)
|
|
return err;
|
|
acard = card->private_data;
|
|
card->private_free = snd_sb8_free;
|
|
|
|
/* block the 0x388 port to avoid PnP conflicts */
|
|
acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
|
|
if (!acard->fm_res) {
|
|
err = -EBUSY;
|
|
goto _err;
|
|
}
|
|
|
|
if (port[dev] != SNDRV_AUTO_PORT) {
|
|
if ((err = snd_sbdsp_create(card, port[dev], irq[dev],
|
|
snd_sb8_interrupt,
|
|
dma8[dev],
|
|
-1,
|
|
SB_HW_AUTO,
|
|
&chip)) < 0)
|
|
goto _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)) {
|
|
err = -EINVAL;
|
|
goto _err;
|
|
}
|
|
}
|
|
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]);
|
|
err = -ENODEV;
|
|
goto _err;
|
|
}
|
|
|
|
if ((err = snd_sb8dsp_pcm(chip, 0)) < 0)
|
|
goto _err;
|
|
|
|
if ((err = snd_sbmixer_new(chip)) < 0)
|
|
goto _err;
|
|
|
|
if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) {
|
|
if ((err = snd_opl3_create(card, chip->port + 8, 0,
|
|
OPL3_HW_AUTO, 1,
|
|
&opl3)) < 0) {
|
|
snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8);
|
|
}
|
|
} else {
|
|
if ((err = snd_opl3_create(card, chip->port, chip->port + 2,
|
|
OPL3_HW_AUTO, 1,
|
|
&opl3)) < 0) {
|
|
snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n",
|
|
chip->port, chip->port + 2);
|
|
}
|
|
}
|
|
if (err >= 0) {
|
|
if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
|
|
goto _err;
|
|
}
|
|
|
|
if ((err = snd_sb8dsp_midi(chip, 0)) < 0)
|
|
goto _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]);
|
|
|
|
if ((err = snd_card_register(card)) < 0)
|
|
goto _err;
|
|
|
|
dev_set_drvdata(pdev, card);
|
|
return 0;
|
|
|
|
_err:
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
|
|
static int snd_sb8_remove(struct device *pdev, unsigned int dev)
|
|
{
|
|
snd_card_free(dev_get_drvdata(pdev));
|
|
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,
|
|
.remove = snd_sb8_remove,
|
|
#ifdef CONFIG_PM
|
|
.suspend = snd_sb8_suspend,
|
|
.resume = snd_sb8_resume,
|
|
#endif
|
|
.driver = {
|
|
.name = DEV_NAME
|
|
},
|
|
};
|
|
|
|
module_isa_driver(snd_sb8_driver, SNDRV_CARDS);
|