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[ALSA] cmipci: use FM/MIDI ports in PCI port space

Browse Source 
Modules: CMIPCI driver

If possible, use ports in the card's PCI port address range instead of
the legacy ports.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
This commit is contained in:
Clemens Ladisch 2005-09-14 08:33:46 +02:00 committed by Jaroslav Kysela
parent da3fca2199
commit 5747e54042
1 changed files with 68 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

118
sound/pci/cmipci.c
View File

@ -446,9 +446,6 @@ struct snd_stru_cmipci {
snd_kcontrol_t *mixer_res_ctl[CM_SAVED_MIXERS];
int mixer_res_status[CM_SAVED_MIXERS];
opl3_t *opl3;
snd_hwdep_t *opl3hwdep;
cmipci_pcm_t channel[2]; /* ch0 - DAC, ch1 - ADC or 2nd DAC */
/* external MIDI */
@ -2753,6 +2750,51 @@ static int snd_cmipci_dev_free(snd_device_t *device)
return snd_cmipci_free(cm);
}
static int __devinit snd_cmipci_create_fm(cmipci_t *cm, long fm_port)
{
long iosynth;
unsigned int val;
opl3_t *opl3;
int err;
/* first try FM regs in PCI port range */
iosynth = cm->iobase + CM_REG_FM_PCI;
err = snd_opl3_create(cm->card, iosynth, iosynth + 2,
OPL3_HW_OPL3, 1, &opl3);
if (err < 0) {
/* then try legacy ports */
val = snd_cmipci_read(cm, CM_REG_LEGACY_CTRL) & ~CM_FMSEL_MASK;
iosynth = fm_port;
switch (iosynth) {
case 0x3E8: val |= CM_FMSEL_3E8; break;
case 0x3E0: val |= CM_FMSEL_3E0; break;
case 0x3C8: val |= CM_FMSEL_3C8; break;
case 0x388: val |= CM_FMSEL_388; break;
default:
return 0;
}
snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val);
/* enable FM */
snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_FM_EN);
if (snd_opl3_create(cm->card, iosynth, iosynth + 2,
OPL3_HW_OPL3, 0, &opl3) < 0) {
printk(KERN_ERR "cmipci: no OPL device at %#lx, "
"skipping...\n", iosynth);
/* disable FM */
snd_cmipci_write(cm, CM_REG_LEGACY_CTRL,
val & ~CM_FMSEL_MASK);
snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_FM_EN);
return 0;
}
}
if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
printk(KERN_ERR "cmipci: cannot create OPL3 hwdep\n");
return err;
}
return 0;
}
static int __devinit snd_cmipci_create(snd_card_t *card, struct pci_dev *pci,
int dev, cmipci_t **rcmipci)
{
@ -2762,8 +2804,8 @@ static int __devinit snd_cmipci_create(snd_card_t *card, struct pci_dev *pci,
.dev_free = snd_cmipci_dev_free,
};
unsigned int val = 0;
long iomidi = mpu_port[dev];
long iosynth = fm_port[dev];
long iomidi;
int integrated_midi;
int pcm_index, pcm_spdif_index;
static struct pci_device_id intel_82437vx[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437VX) },
@ -2867,52 +2909,28 @@ static int __devinit snd_cmipci_create(snd_card_t *card, struct pci_dev *pci,
return err;
}
/* set MPU address */
switch (iomidi) {
case 0x320: val = CM_VMPU_320; break;
case 0x310: val = CM_VMPU_310; break;
case 0x300: val = CM_VMPU_300; break;
case 0x330: val = CM_VMPU_330; break;
default:
iomidi = 0; break;
}
if (iomidi > 0) {
snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val);
/* enable UART */
snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_UART_EN);
}
/* set FM address */
val = snd_cmipci_read(cm, CM_REG_LEGACY_CTRL) & ~CM_FMSEL_MASK;
switch (iosynth) {
case 0x3E8: val |= CM_FMSEL_3E8; break;
case 0x3E0: val |= CM_FMSEL_3E0; break;
case 0x3C8: val |= CM_FMSEL_3C8; break;
case 0x388: val |= CM_FMSEL_388; break;
default:
iosynth = 0; break;
}
if (iosynth > 0) {
snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val);
/* enable FM */
snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_FM_EN);
if (snd_opl3_create(card, iosynth, iosynth + 2,
OPL3_HW_OPL3, 0, &cm->opl3) < 0) {
printk(KERN_ERR "cmipci: no OPL device at 0x%lx, skipping...\n", iosynth);
iosynth = 0;
} else {
if ((err = snd_opl3_hwdep_new(cm->opl3, 0, 1, &cm->opl3hwdep)) < 0) {
printk(KERN_ERR "cmipci: cannot create OPL3 hwdep\n");
return err;
}
integrated_midi = snd_cmipci_read_b(cm, CM_REG_MPU_PCI) != 0xff;
if (integrated_midi)
iomidi = cm->iobase + CM_REG_MPU_PCI;
else {
iomidi = mpu_port[dev];
switch (iomidi) {
case 0x320: val = CM_VMPU_320; break;
case 0x310: val = CM_VMPU_310; break;
case 0x300: val = CM_VMPU_300; break;
case 0x330: val = CM_VMPU_330; break;
default:
iomidi = 0; break;
}
if (iomidi > 0) {
snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val);
/* enable UART */
snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_UART_EN);
}
}
if (! iosynth) {
/* disable FM */
snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val & ~CM_FMSEL_MASK);
snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_FM_EN);
}
if ((err = snd_cmipci_create_fm(cm, fm_port[dev])) < 0)
return err;
/* reset mixer */
snd_cmipci_mixer_write(cm, 0, 0);
@ -2941,7 +2959,7 @@ static int __devinit snd_cmipci_create(snd_card_t *card, struct pci_dev *pci,
if (iomidi > 0) {
if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_CMIPCI,
iomidi, 0,
iomidi, integrated_midi,
cm->irq, 0, &cm->rmidi)) < 0) {
printk(KERN_ERR "cmipci: no UART401 device at 0x%lx\n", iomidi);
}