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authorVinod G <vinodg@nvidia.com>2005-09-13 16:49:12 (GMT)
committerJaroslav Kysela <perex@suse.cz>2005-11-04 12:15:45 (GMT)
commitda3fca21996414a263d36804d9afb2e701abbfef (patch)
tree3276863010372babbaa1334a10e5fed16e37703c /sound/pci
parenteb9b4142b3af98d808012081c4dd6d36e2964d43 (diff)
downloadlinux-da3fca21996414a263d36804d9afb2e701abbfef.tar.xz
[ALSA] hda-intel - Add NVidia support
Modules: HDA Intel driver This patch is to make the Intel HDA code work for NVIDIA azalia controller. Modified by Takashi Iwai <tiwai@suse.de> Signed-off-by: Vinod G. <vinodg@nvidia.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/hda/hda_intel.c33
1 files changed, 24 insertions, 9 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 6fe696e..2c5d411 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -223,6 +223,9 @@ enum {
#define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
#define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
+/* Defines for Nvidia HDA support */
+#define NVIDIA_HDA_TRANSREG_ADDR 0x4e
+#define NVIDIA_HDA_ENABLE_COHBITS 0x0f
/*
* Use CORB/RIRB for communication from/to codecs.
@@ -328,6 +331,7 @@ enum {
AZX_DRIVER_VIA,
AZX_DRIVER_SIS,
AZX_DRIVER_ULI,
+ AZX_DRIVER_NVIDIA,
};
static char *driver_short_names[] __devinitdata = {
@@ -335,7 +339,8 @@ static char *driver_short_names[] __devinitdata = {
[AZX_DRIVER_ATI] = "HDA ATI SB",
[AZX_DRIVER_VIA] = "HDA VIA VT82xx",
[AZX_DRIVER_SIS] = "HDA SIS966",
- [AZX_DRIVER_ULI] = "HDA ULI M5461"
+ [AZX_DRIVER_ULI] = "HDA ULI M5461",
+ [AZX_DRIVER_NVIDIA] = "HDA NVidia",
};
/*
@@ -710,14 +715,14 @@ static void azx_stream_stop(azx_t *chip, azx_dev_t *azx_dev)
*/
static void azx_init_chip(azx_t *chip)
{
- unsigned char tcsel_reg, ati_misc_cntl2;
+ unsigned char reg;
/* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
* TCSEL == Traffic Class Select Register, which sets PCI express QOS
* Ensuring these bits are 0 clears playback static on some HD Audio codecs
*/
- pci_read_config_byte (chip->pci, ICH6_PCIREG_TCSEL, &tcsel_reg);
- pci_write_config_byte(chip->pci, ICH6_PCIREG_TCSEL, tcsel_reg & 0xf8);
+ pci_read_config_byte (chip->pci, ICH6_PCIREG_TCSEL, &reg);
+ pci_write_config_byte(chip->pci, ICH6_PCIREG_TCSEL, reg & 0xf8);
/* reset controller */
azx_reset(chip);
@@ -733,13 +738,21 @@ static void azx_init_chip(azx_t *chip)
azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
azx_writel(chip, DPUBASE, upper_32bit(chip->posbuf.addr));
- /* For ATI SB450 azalia HD audio, we need to enable snoop */
- if (chip->driver_type == AZX_DRIVER_ATI) {
+ switch (chip->driver_type) {
+ case AZX_DRIVER_ATI:
+ /* For ATI SB450 azalia HD audio, we need to enable snoop */
pci_read_config_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
- &ati_misc_cntl2);
+ &reg);
pci_write_config_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
- (ati_misc_cntl2 & 0xf8) | ATI_SB450_HDAUDIO_ENABLE_SNOOP);
- }
+ (reg & 0xf8) | ATI_SB450_HDAUDIO_ENABLE_SNOOP);
+ break;
+ case AZX_DRIVER_NVIDIA:
+ /* For NVIDIA HDA, enable snoop */
+ pci_read_config_byte(chip->pci,NVIDIA_HDA_TRANSREG_ADDR, &reg);
+ pci_write_config_byte(chip->pci,NVIDIA_HDA_TRANSREG_ADDR,
+ (reg & 0xf0) | NVIDIA_HDA_ENABLE_COHBITS);
+ break;
+ }
}
@@ -1601,6 +1614,8 @@ static struct pci_device_id azx_ids[] = {
{ 0x1106, 0x3288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_VIA }, /* VIA VT8251/VT8237A */
{ 0x1039, 0x7502, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_SIS }, /* SIS966 */
{ 0x10b9, 0x5461, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ULI }, /* ULI M5461 */
+ { 0x10de, 0x026c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA 026c */
+ { 0x10de, 0x0371, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_NVIDIA }, /* NVIDIA 0371 */
{ 0, }
};
MODULE_DEVICE_TABLE(pci, azx_ids);