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[ALSA] hda-intel - Add NVidia support

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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>
This commit is contained in:
Vinod G 2005-09-13 18:49:12 +02:00 committed by Jaroslav Kysela
parent eb9b4142b3
commit da3fca2199
1 changed files with 24 additions and 9 deletions
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33
sound/pci/hda/hda_intel.c
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@ -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);