static int snd_sbdsp_dev_free(struct snd_device *device)
{
struct snd_sb *chip = device->device_data;
return snd_sbdsp_free(chip);
}
int snd_sbdsp_create(struct snd_card *card,
unsigned long port,
int irq,
irqreturn_t (*irq_handler)(int, void *, struct pt_regs *),
int dma8,
int dma16,
unsigned short hardware,
struct snd_sb **r_chip)
{
struct snd_sb *chip;
int err;
static struct snd_device_ops ops = {
.dev_free = snd_sbdsp_dev_free,
};
snd_assert(r_chip != NULL, return -EINVAL);
*r_chip = NULL;
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
spin_lock_init(&chip->reg_lock);
spin_lock_init(&chip->open_lock);
spin_lock_init(&chip->midi_input_lock);
spin_lock_init(&chip->mixer_lock);
chip->irq = -1;
chip->dma8 = -1;
chip->dma16 = -1;
chip->port = port;
if (request_irq(irq, irq_handler, hardware == SB_HW_ALS4000 ?
SA_INTERRUPT | SA_SHIRQ : SA_INTERRUPT,
"SoundBlaster", (void *) chip)) {
snd_printk(KERN_ERR "sb: can't grab irq %d\n", irq);
snd_sbdsp_free(chip);
return -EBUSY;
}
chip->irq = irq;
if (hardware == SB_HW_ALS4000)
goto __skip_allocation;
if ((chip->res_port = request_region(port, 16, "SoundBlaster")) == NULL) {
snd_printk(KERN_ERR "sb: can't grab port 0x%lx\n", port);
snd_sbdsp_free(chip);
return -EBUSY;
}
#ifdef CONFIG_ISA
if (dma8 >= 0 && request_dma(dma8, "SoundBlaster - 8bit")) {
snd_printk(KERN_ERR "sb: can't grab DMA8 %d\n", dma8);
snd_sbdsp_free(chip);
return -EBUSY;
}
chip->dma8 = dma8;
if (dma16 >= 0) {
if (hardware != SB_HW_ALS100 && (dma16 < 5 || dma16 > 7)) {
/* no duplex */
dma16 = -1;
} else if (request_dma(dma16, "SoundBlaster - 16bit")) {
snd_printk(KERN_ERR "sb: can't grab DMA16 %d\n", dma16);
snd_sbdsp_free(chip);
return -EBUSY;
}
}
chip->dma16 = dma16;
#endif
__skip_allocation:
chip->card = card;
chip->hardware = hardware;
if ((err = snd_sbdsp_probe(chip)) < 0) {
snd_sbdsp_free(chip);
return err;
}
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
snd_sbdsp_free(chip);
return err;
}
*r_chip = chip;
return 0;
}
int snd_sbdsp_create(struct snd_card *card,
unsigned long port,
int irq,
irq_handler_t irq_handler,
int dma8,
int dma16,
unsigned short hardware,
struct snd_sb **r_chip)
{
struct snd_sb *chip;
int err;
static struct snd_device_ops ops = {
.dev_free = snd_sbdsp_dev_free,
};
if (snd_BUG_ON(!r_chip))
return -EINVAL;
*r_chip = NULL;
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
spin_lock_init(&chip->reg_lock);
spin_lock_init(&chip->open_lock);
spin_lock_init(&chip->midi_input_lock);
spin_lock_init(&chip->mixer_lock);
chip->irq = -1;
chip->dma8 = -1;
chip->dma16 = -1;
chip->port = port;
if (request_irq(irq, irq_handler,
(hardware == SB_HW_ALS4000 ||
hardware == SB_HW_CS5530) ?
IRQF_SHARED : IRQF_DISABLED,
"SoundBlaster", (void *) chip)) {
;
snd_sbdsp_free(chip);
return -EBUSY;
}
chip->irq = irq;
if (hardware == SB_HW_ALS4000)
goto __skip_allocation;
if ((chip->res_port = request_region(port, 16, "SoundBlaster")) == NULL) {
;
snd_sbdsp_free(chip);
return -EBUSY;
}
#ifdef CONFIG_ISA
if (dma8 >= 0 && request_dma(dma8, "SoundBlaster - 8bit")) {
;
snd_sbdsp_free(chip);
return -EBUSY;
}
chip->dma8 = dma8;
if (dma16 >= 0) {
if (hardware != SB_HW_ALS100 && (dma16 < 5 || dma16 > 7)) {
/* no duplex */
dma16 = -1;
} else if (request_dma(dma16, "SoundBlaster - 16bit")) {
;
snd_sbdsp_free(chip);
return -EBUSY;
}
}
chip->dma16 = dma16;
#endif
__skip_allocation:
chip->card = card;
chip->hardware = hardware;
if ((err = snd_sbdsp_probe(chip)) < 0) {
snd_sbdsp_free(chip);
return err;
}
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
snd_sbdsp_free(chip);
return err;
}
*r_chip = chip;
return 0;
}
