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authorClemens Ladisch <clemens@ladisch.de>2007-08-22 09:45:03 +0200
committerJaroslav Kysela <perex@perex.cz>2007-10-16 15:59:22 +0200
commit45c41b4868c9dbec5d43a4023e77994afa94470f (patch)
treecdf019b41ae2462d5dc63dcf65d879890c9208b5 /sound/pci/cmipci.c
parentc2b1239a9f22f19c53543b460b24507d0e21ea0c (diff)
[ALSA] cmipci: fix handling of FM/MIDI port addresses
Make sure that the MPU-401 MIDI and OPL-3 FM devices are used only on those chips where they are supported, and that the correct port addresses are used. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/cmipci.c')
-rw-r--r--sound/pci/cmipci.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index c42c51647df..9d394c7c221 100644
--- a/sound/pci/cmipci.c
+++ b/sound/pci/cmipci.c
@@ -2774,10 +2774,14 @@ static int __devinit snd_cmipci_create_fm(struct cmipci *cm, long fm_port)
if (!fm_port)
goto disable_fm;
- /* 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 (cm->chip_version > 33) {
+ /* 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);
+ } else {
+ err = -EIO;
+ }
if (err < 0) {
/* then try legacy ports */
val = snd_cmipci_read(cm, CM_REG_LEGACY_CTRL) & ~CM_FMSEL_MASK;
@@ -2935,7 +2939,8 @@ static int __devinit snd_cmipci_create(struct snd_card *card, struct pci_dev *pc
return err;
}
- integrated_midi = snd_cmipci_read_b(cm, CM_REG_MPU_PCI) != 0xff;
+ integrated_midi = cm->chip_version > 33 &&
+ snd_cmipci_read_b(cm, CM_REG_MPU_PCI + 1) != 0xff;
if (integrated_midi && mpu_port[dev] == 1)
iomidi = cm->iobase + CM_REG_MPU_PCI;
else {
@@ -2955,8 +2960,11 @@ static int __devinit snd_cmipci_create(struct snd_card *card, struct pci_dev *pc
}
}
- if ((err = snd_cmipci_create_fm(cm, fm_port[dev])) < 0)
- return err;
+ if (cm->chip_version < 68) {
+ err = snd_cmipci_create_fm(cm, fm_port[dev]);
+ if (err < 0)
+ return err;
+ }
/* reset mixer */
snd_cmipci_mixer_write(cm, 0, 0);