ALSA: opti-miro: separate comon probing code

Separate common probing code in order to use it
for PnP probing.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Krzysztof Helt 2009-11-30 07:45:47 +01:00 committed by Takashi Iwai
parent abe6becb7c
commit 70a5f1187b

View file

@ -1142,28 +1142,39 @@ static int __devinit snd_miro_configure(struct snd_miro *chip)
return 0;
}
static int __devinit snd_miro_opti_check(struct snd_miro *chip)
{
unsigned char value;
chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
"OPTi9xx MC");
if (chip->res_mc_base == NULL)
return -ENOMEM;
value = snd_miro_read(chip, OPTi9XX_MC_REG(1));
if (value != 0xff && value != inb(chip->mc_base + OPTi9XX_MC_REG(1)))
if (value == snd_miro_read(chip, OPTi9XX_MC_REG(1)))
return 0;
release_and_free_resource(chip->res_mc_base);
chip->res_mc_base = NULL;
return -ENODEV;
}
static int __devinit snd_card_miro_detect(struct snd_card *card,
struct snd_miro *chip)
{
int i, err;
unsigned char value;
for (i = OPTi9XX_HW_82C929; i <= OPTi9XX_HW_82C924; i++) {
if ((err = snd_miro_init(chip, i)) < 0)
return err;
if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
continue;
value = snd_miro_read(chip, OPTi9XX_MC_REG(1));
if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
if (value == snd_miro_read(chip, OPTi9XX_MC_REG(1)))
return 1;
release_and_free_resource(chip->res_mc_base);
chip->res_mc_base = NULL;
err = snd_miro_opti_check(chip);
if (err == 0)
return 1;
}
return -ENODEV;
@ -1234,151 +1245,69 @@ static void snd_card_miro_free(struct snd_card *card)
release_and_free_resource(miro->res_mc_base);
}
static int __devinit snd_miro_match(struct device *devptr, unsigned int n)
static int __devinit snd_miro_probe(struct snd_card *card)
{
return 1;
}
static int __devinit snd_miro_probe(struct device *devptr, unsigned int n)
{
static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
static long possible_mpu_ports[] = {0x330, 0x300, 0x310, 0x320, -1};
static int possible_irqs[] = {11, 9, 10, 7, -1};
static int possible_mpu_irqs[] = {10, 5, 9, 7, -1};
static int possible_dma1s[] = {3, 1, 0, -1};
static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
int error;
struct snd_miro *miro;
struct snd_miro *miro = card->private_data;
struct snd_wss *codec;
struct snd_timer *timer;
struct snd_card *card;
struct snd_pcm *pcm;
struct snd_rawmidi *rmidi;
error = snd_card_create(index, id, THIS_MODULE,
sizeof(struct snd_miro), &card);
if (error < 0)
return error;
card->private_free = snd_card_miro_free;
miro = card->private_data;
error = snd_card_miro_detect(card, miro);
if (error < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to detect OPTi9xx chip\n");
return -ENODEV;
if (!miro->res_mc_base) {
miro->res_mc_base = request_region(miro->mc_base,
miro->mc_base_size,
"miro (OPTi9xx MC)");
if (miro->res_mc_base == NULL) {
snd_printk(KERN_ERR "request for OPTI9xx MC failed\n");
return -ENOMEM;
}
}
if ((error = snd_card_miro_aci_detect(card, miro)) < 0) {
error = snd_card_miro_aci_detect(card, miro);
if (error < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to detect aci chip\n");
return -ENODEV;
}
/* init proc interface */
snd_miro_proc_init(card, miro);
if (! miro->res_mc_base &&
(miro->res_mc_base = request_region(miro->mc_base, miro->mc_base_size,
"miro (OPTi9xx MC)")) == NULL) {
snd_card_free(card);
snd_printk(KERN_ERR "request for OPTI9xx MC failed\n");
return -ENOMEM;
}
miro->wss_base = port;
miro->mpu_port = mpu_port;
miro->irq = irq;
miro->mpu_irq = mpu_irq;
miro->dma1 = dma1;
miro->dma2 = dma2;
if (miro->wss_base == SNDRV_AUTO_PORT) {
if ((miro->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to find a free WSS port\n");
return -EBUSY;
}
}
if (mpu_port == SNDRV_AUTO_PORT) {
mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2);
if (mpu_port < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
return -EBUSY;
}
}
miro->mpu_port = mpu_port;
if (miro->irq == SNDRV_AUTO_IRQ) {
if ((miro->irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to find a free IRQ\n");
return -EBUSY;
}
}
if (miro->mpu_irq == SNDRV_AUTO_IRQ) {
if ((miro->mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
return -EBUSY;
}
}
if (miro->dma1 == SNDRV_AUTO_DMA) {
if ((miro->dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to find a free DMA1\n");
return -EBUSY;
}
}
if (miro->dma2 == SNDRV_AUTO_DMA) {
if ((miro->dma2 = snd_legacy_find_free_dma(possible_dma2s[miro->dma1 % 4])) < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to find a free DMA2\n");
return -EBUSY;
}
}
/* init proc interface */
snd_miro_proc_init(card, miro);
error = snd_miro_configure(miro);
if (error) {
snd_card_free(card);
if (error)
return error;
}
error = snd_wss_create(card, miro->wss_base + 4, -1,
miro->irq, miro->dma1, miro->dma2,
WSS_HW_AD1845, 0, &codec);
if (error < 0) {
snd_card_free(card);
miro->irq, miro->dma1, miro->dma2,
WSS_HW_DETECT, 0, &codec);
if (error < 0)
return error;
}
error = snd_wss_pcm(codec, 0, &pcm);
if (error < 0) {
snd_card_free(card);
if (error < 0)
return error;
}
error = snd_wss_mixer(codec);
if (error < 0) {
snd_card_free(card);
if (error < 0)
return error;
}
error = snd_wss_timer(codec, 0, &timer);
if (error < 0) {
snd_card_free(card);
if (error < 0)
return error;
}
miro->pcm = pcm;
error = snd_miro_mixer(card, miro);
if (error < 0) {
snd_card_free(card);
if (error < 0)
return error;
}
if (miro->aci->aci_vendor == 'm') {
/* It looks like a miro sound card. */
@ -1425,20 +1354,111 @@ static int __devinit snd_miro_probe(struct device *devptr, unsigned int n)
if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
struct snd_opl3 *opl3 = NULL;
struct snd_opl4 *opl4;
if (snd_opl4_create(card, fm_port, fm_port - 8,
2, &opl3, &opl4) < 0)
snd_printk(KERN_WARNING "no OPL4 device at 0x%lx\n",
fm_port);
}
if ((error = snd_set_aci_init_values(miro)) < 0) {
snd_card_free(card);
error = snd_set_aci_init_values(miro);
if (error < 0)
return error;
return snd_card_register(card);
}
static int __devinit snd_miro_isa_match(struct device *devptr, unsigned int n)
{
return 1;
}
static int __devinit snd_miro_isa_probe(struct device *devptr, unsigned int n)
{
static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
static long possible_mpu_ports[] = {0x330, 0x300, 0x310, 0x320, -1};
static int possible_irqs[] = {11, 9, 10, 7, -1};
static int possible_mpu_irqs[] = {10, 5, 9, 7, -1};
static int possible_dma1s[] = {3, 1, 0, -1};
static int possible_dma2s[][2] = { {1, -1}, {0, -1}, {-1, -1},
{0, -1} };
int error;
struct snd_miro *miro;
struct snd_card *card;
error = snd_card_create(index, id, THIS_MODULE,
sizeof(struct snd_miro), &card);
if (error < 0)
return error;
card->private_free = snd_card_miro_free;
miro = card->private_data;
error = snd_card_miro_detect(card, miro);
if (error < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to detect OPTi9xx chip\n");
return -ENODEV;
}
if (port == SNDRV_AUTO_PORT) {
port = snd_legacy_find_free_ioport(possible_ports, 4);
if (port < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to find a free WSS port\n");
return -EBUSY;
}
}
if (mpu_port == SNDRV_AUTO_PORT) {
mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2);
if (mpu_port < 0) {
snd_card_free(card);
snd_printk(KERN_ERR
"unable to find a free MPU401 port\n");
return -EBUSY;
}
}
if (irq == SNDRV_AUTO_IRQ) {
irq = snd_legacy_find_free_irq(possible_irqs);
if (irq < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to find a free IRQ\n");
return -EBUSY;
}
}
if (mpu_irq == SNDRV_AUTO_IRQ) {
mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs);
if (mpu_irq < 0) {
snd_card_free(card);
snd_printk(KERN_ERR
"unable to find a free MPU401 IRQ\n");
return -EBUSY;
}
}
if (dma1 == SNDRV_AUTO_DMA) {
dma1 = snd_legacy_find_free_dma(possible_dma1s);
if (dma1 < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to find a free DMA1\n");
return -EBUSY;
}
}
if (dma2 == SNDRV_AUTO_DMA) {
dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4]);
if (dma2 < 0) {
snd_card_free(card);
snd_printk(KERN_ERR "unable to find a free DMA2\n");
return -EBUSY;
}
}
snd_card_set_dev(card, devptr);
if ((error = snd_card_register(card))) {
error = snd_miro_probe(card);
if (error < 0) {
snd_card_free(card);
return error;
}
@ -1447,7 +1467,8 @@ static int __devinit snd_miro_probe(struct device *devptr, unsigned int n)
return 0;
}
static int __devexit snd_miro_remove(struct device *devptr, unsigned int dev)
static int __devexit snd_miro_isa_remove(struct device *devptr,
unsigned int dev)
{
snd_card_free(dev_get_drvdata(devptr));
dev_set_drvdata(devptr, NULL);
@ -1457,9 +1478,9 @@ static int __devexit snd_miro_remove(struct device *devptr, unsigned int dev)
#define DEV_NAME "miro"
static struct isa_driver snd_miro_driver = {
.match = snd_miro_match,
.probe = snd_miro_probe,
.remove = __devexit_p(snd_miro_remove),
.match = snd_miro_isa_match,
.probe = snd_miro_isa_probe,
.remove = __devexit_p(snd_miro_isa_remove),
/* FIXME: suspend/resume */
.driver = {
.name = DEV_NAME