At Mon, 16 Mar 2009 22:18:03 +0900,
Emmanuel Chanel wrote:
>
> ok. I could patch.
> I did
> $ ./configure --with-debug=verbose
> $ make
> $ su -c 'make install'
>
> The result is below and it's not detected on alsa. Pulse's Volume
> Control says no hardware devices but "Null Sound Output".
Hm, how about the patch below then?
thanks,
Takashi
---
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 92a73e8..eb33e15 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2136,7 +2136,7 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
struct azx **rchip)
{
struct azx *chip;
- int i, err;
+ int i, err, rirb_32bit;
unsigned short gcap;
static struct snd_device_ops ops = {
.dev_free = azx_dev_free,
@@ -2218,12 +2218,26 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
pci_set_master(pci);
synchronize_irq(chip->irq);
+ /* ATI chips seems buggy about 64bit CORB/RIRB addresses */
+ if (chip->driver_type == AZX_DRIVER_ATI)
+ rirb_32bit = 1;
+ else
+ rirb_32bit = 0;
+
gcap = azx_readw(chip, GCAP);
snd_printdd("chipset global capabilities = 0x%x\n", gcap);
/* allow 64bit DMA address if supported by H/W */
- if ((gcap & 0x01) && !pci_set_dma_mask(pci, DMA_64BIT_MASK))
+ /* Don't set 64bit DMA here for the controller buffer allocations
+ * on some buggy hardwares
+ */
+ if (!rirb_32bit &&
+ (gcap & 0x01) && !pci_set_dma_mask(pci, DMA_64BIT_MASK))
pci_set_consistent_dma_mask(pci, DMA_64BIT_MASK);
+ else {
+ pci_set_dma_mask(pci, DMA_32BIT_MASK);
+ pci_set_consistent_dma_mask(pci, DMA_32BIT_MASK);
+ }
/* read number of streams from GCAP register instead of using
* hardcoded value
@@ -2309,6 +2323,11 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
sprintf(card->longname, "%s at 0x%lx irq %i",
card->shortname, chip->addr, chip->irq);
+ /* allow 64bit DMA address if supported by H/W (if not set yet) */
+ if (rirb_32bit &&
+ (gcap & 0x01) && !pci_set_dma_mask(pci, DMA_64BIT_MASK))
+ pci_set_consistent_dma_mask(pci, DMA_64BIT_MASK);
+
*rchip = chip;
return 0;
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