[alsa-devel] [PATCH] ALSA: HDA: Use AZX_DRIVER_ATI for AMD/ATI platforms
Takashi Iwai
tiwai at suse.de
Wed May 25 09:16:06 CEST 2011
At Wed, 25 May 2011 08:29:49 +0200,
Takashi Iwai wrote:
>
> At Wed, 25 May 2011 13:59:19 +0800,
> Andiry Xu wrote:
> >
> > This commit makes AMD/ATI platforms use AZX_DRIVER_ATI for SB HD Audio
> > and AZX_DRIVER_ATIHDMI for HDMI Audio, so some quirks can be applied to
> > AMD/ATI platforms without checking the pci vendor ID.
> >
> > This also spearate SB and HDMI audio, since some quirks should only
> > apply to SB audio.
>
> To make clear, which quirks should be applied to Hudson and HDMI,
> and which quirks shouldn't be applied? Judging from your change,
>
> - Hudson: No TCSEL, CNTR2 snoop
> - HDMI: No TCSEL
>
> What about 64bit DMA? Do they both support?
> Also, I guess both should use LPIB instead of position-buffer?
>
> I'm considering put these information as bit flags into driver_data,
> so that it won't fake name as if it's an ATI HDMI board.
I meant the patch like below. Could you check it?
thanks,
Takashi
===
Subject: [PATCH] ALSA: hda - Reorganize controller quriks with bit flags
Introduce bit-flags indicating the necessary controller quirks, and
set them in pci driver_data field. This simplifies the checks in the
driver code and avoids the pci-id lookup in different places.
Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
sound/pci/hda/hda_intel.c | 188 ++++++++++++++++++++++++++-------------------
1 files changed, 109 insertions(+), 79 deletions(-)
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 43a0367..6c51f07 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -391,6 +391,7 @@ struct azx {
/* chip type specific */
int driver_type;
+ unsigned int driver_caps;
int playback_streams;
int playback_index_offset;
int capture_streams;
@@ -464,6 +465,32 @@ enum {
AZX_NUM_DRIVERS, /* keep this as last entry */
};
+#define AZX_DCAPS_NO_TCSEL (1 << 8) /* No Intel TCSEL bit */
+#define AZX_DCAPS_NO_MSI (1 << 9) /* No MSI support */
+#define AZX_DCAPS_ATI_SNOOP (1 << 10) /* ATI snoop enable */
+#define AZX_DCAPS_NVIDIA_SNOOP (1 << 11) /* Nvidia snoop enable */
+#define AZX_DCAPS_SCH_SNOOP (1 << 12) /* SCH/PCH snoop enable */
+#define AZX_DCAPS_RIRB_DELAY (1 << 13) /* Long delay in read loop */
+#define AZX_DCAPS_RIRB_PRE_DELAY (1 << 14) /* Put a delay before read */
+#define AZX_DCAPS_CTX_WORKAROUND (1 << 15) /* X-Fi workaround */
+#define AZX_DCAPS_POSFIX_LPIB (1 << 16) /* Use LPIB as default */
+#define AZX_DCAPS_POSFIX_VIA (1 << 17) /* Use VIACOMBO as default */
+#define AZX_DCAPS_NO_64BIT (1 << 18) /* No 64bit address */
+#define AZX_DCAPS_SYNC_WRITE (1 << 19) /* sync each cmd write */
+
+/* quirks for ATI SB / AMD Hudson */
+#define AZX_DCAPS_PRESET_ATI_SB \
+ (AZX_DCAPS_ATI_SNOOP | AZX_DCAPS_NO_TCSEL | \
+ AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB)
+
+/* quirks for ATI/AMD HDMI */
+#define AZX_DCAPS_PRESET_ATI_HDMI \
+ (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB)
+
+/* quirks for Nvidia */
+#define AZX_DCAPS_PRESET_NVIDIA \
+ (AZX_DCAPS_NVIDIA_SNOOP | AZX_DCAPS_RIRB_DELAY | AZX_DCAPS_NO_MSI)
+
static char *driver_short_names[] __devinitdata = {
[AZX_DRIVER_ICH] = "HDA Intel",
[AZX_DRIVER_PCH] = "HDA Intel PCH",
@@ -566,7 +593,7 @@ static void azx_init_cmd_io(struct azx *chip)
/* reset the rirb hw write pointer */
azx_writew(chip, RIRBWP, ICH6_RIRBWP_RST);
/* set N=1, get RIRB response interrupt for new entry */
- if (chip->driver_type == AZX_DRIVER_CTX)
+ if (chip->driver_caps & AZX_DCAPS_CTX_WORKAROUND)
azx_writew(chip, RINTCNT, 0xc0);
else
azx_writew(chip, RINTCNT, 1);
@@ -1056,19 +1083,19 @@ static void azx_init_pci(struct azx *chip)
* codecs.
* The PCI register TCSEL is defined in the Intel manuals.
*/
- if (chip->driver_type != AZX_DRIVER_ATI &&
- chip->driver_type != AZX_DRIVER_ATIHDMI)
+ if (chip->driver_caps & AZX_DCAPS_NO_TCSEL)
update_pci_byte(chip->pci, ICH6_PCIREG_TCSEL, 0x07, 0);
- switch (chip->driver_type) {
- case AZX_DRIVER_ATI:
- /* For ATI SB450 azalia HD audio, we need to enable snoop */
+ /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio,
+ * we need to enable snoop.
+ */
+ if (chip->driver_caps & AZX_DCAPS_ATI_SNOOP)
update_pci_byte(chip->pci,
ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
0x07, ATI_SB450_HDAUDIO_ENABLE_SNOOP);
- break;
- case AZX_DRIVER_NVIDIA:
- /* For NVIDIA HDA, enable snoop */
+
+ /* For NVIDIA HDA, enable snoop */
+ if (chip->driver_caps & AZX_DCAPS_NVIDIA_SNOOP) {
update_pci_byte(chip->pci,
NVIDIA_HDA_TRANSREG_ADDR,
0x0f, NVIDIA_HDA_ENABLE_COHBITS);
@@ -1078,9 +1105,10 @@ static void azx_init_pci(struct azx *chip)
update_pci_byte(chip->pci,
NVIDIA_HDA_OSTRM_COH,
0x01, NVIDIA_HDA_ENABLE_COHBIT);
- break;
- case AZX_DRIVER_SCH:
- case AZX_DRIVER_PCH:
+ }
+
+ /* Enable SCH/PCH snoop if needed */
+ if (chip->driver_caps & AZX_DCAPS_SCH_SNOOP) {
pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
if (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) {
pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC,
@@ -1091,14 +1119,6 @@ static void azx_init_pci(struct azx *chip)
(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)
? "Failed" : "OK");
}
- break;
- default:
- /* AMD Hudson needs the similar snoop, as it seems... */
- if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
- update_pci_byte(chip->pci,
- ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
- 0x07, ATI_SB450_HDAUDIO_ENABLE_SNOOP);
- break;
}
}
@@ -1152,7 +1172,7 @@ static irqreturn_t azx_interrupt(int irq, void *dev_id)
status = azx_readb(chip, RIRBSTS);
if (status & RIRB_INT_MASK) {
if (status & RIRB_INT_RESPONSE) {
- if (chip->driver_type == AZX_DRIVER_CTX)
+ if (chip->driver_caps & AZX_DCAPS_RIRB_PRE_DELAY)
udelay(80);
azx_update_rirb(chip);
}
@@ -1421,7 +1441,7 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model)
if (err < 0)
return err;
- if (chip->driver_type == AZX_DRIVER_NVIDIA)
+ if (chip->driver_caps & AZX_DCAPS_RIRB_DELAY)
chip->bus->needs_damn_long_delay = 1;
codecs = 0;
@@ -1720,7 +1740,7 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream)
stream_tag = azx_dev->stream_tag;
/* CA-IBG chips need the playback stream starting from 1 */
- if (chip->driver_type == AZX_DRIVER_CTX &&
+ if ((chip->driver_caps & AZX_DCAPS_CTX_WORKAROUND) &&
stream_tag > chip->capture_streams)
stream_tag -= chip->capture_streams;
return snd_hda_codec_prepare(apcm->codec, hinfo, stream_tag,
@@ -2365,20 +2385,10 @@ static int __devinit check_position_fix(struct azx *chip, int fix)
}
/* Check VIA/ATI HD Audio Controller exist */
- switch (chip->driver_type) {
- case AZX_DRIVER_VIA:
- /* Use link position directly, avoid any transfer problem. */
+ if (chip->driver_caps & AZX_DCAPS_POSFIX_VIA)
return POS_FIX_VIACOMBO;
- case AZX_DRIVER_ATI:
- /* ATI chipsets don't work well with position-buffer */
+ if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB)
return POS_FIX_LPIB;
- case AZX_DRIVER_GENERIC:
- /* AMD chipsets also don't work with position-buffer */
- if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
- return POS_FIX_LPIB;
- break;
- }
-
return POS_FIX_AUTO;
}
@@ -2460,8 +2470,8 @@ static void __devinit check_msi(struct azx *chip)
}
/* NVidia chipsets seem to cause troubles with MSI */
- if (chip->driver_type == AZX_DRIVER_NVIDIA) {
- printk(KERN_INFO "hda_intel: Disable MSI for Nvidia chipset\n");
+ if (chip->driver_caps & AZX_DCAPS_NO_MSI) {
+ printk(KERN_INFO "hda_intel: Disable MSI\n");
chip->msi = 0;
}
}
@@ -2471,7 +2481,7 @@ static void __devinit check_msi(struct azx *chip)
* constructor
*/
static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
- int dev, int driver_type,
+ int dev, unsigned int driver_caps,
struct azx **rchip)
{
struct azx *chip;
@@ -2499,7 +2509,8 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
chip->card = card;
chip->pci = pci;
chip->irq = -1;
- chip->driver_type = driver_type;
+ chip->driver_caps = driver_caps;
+ chip->driver_type = driver_caps & 0xff;
check_msi(chip);
chip->dev_index = dev;
INIT_WORK(&chip->irq_pending_work, azx_irq_pending_work);
@@ -2563,8 +2574,7 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
snd_printdd(SFX "chipset global capabilities = 0x%x\n", gcap);
/* disable SB600 64bit support for safety */
- if ((chip->driver_type == AZX_DRIVER_ATI) ||
- (chip->driver_type == AZX_DRIVER_ATIHDMI)) {
+ if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
struct pci_dev *p_smbus;
p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
PCI_DEVICE_ID_ATI_SBX00_SMBUS,
@@ -2574,18 +2584,10 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
gcap &= ~ICH6_GCAP_64OK;
pci_dev_put(p_smbus);
}
- } else {
- /* FIXME: not sure whether this is really needed, but
- * Hudson isn't stable enough for allowing everything...
- * let's check later again.
- */
- if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
- gcap &= ~ICH6_GCAP_64OK;
}
- /* disable 64bit DMA address for Teradici */
- /* it does not work with device 6549:1200 subsys e4a2:040b */
- if (chip->driver_type == AZX_DRIVER_TERA)
+ /* disable 64bit DMA address on some devices */
+ if (chip->driver_caps & AZX_DCAPS_NO_64BIT)
gcap &= ~ICH6_GCAP_64OK;
/* allow 64bit DMA address if supported by H/W */
@@ -2788,38 +2790,62 @@ static void __devexit azx_remove(struct pci_dev *pci)
/* PCI IDs */
static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
/* CPT */
- { PCI_DEVICE(0x8086, 0x1c20), .driver_data = AZX_DRIVER_PCH },
+ { PCI_DEVICE(0x8086, 0x1c20),
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP },
/* PBG */
- { PCI_DEVICE(0x8086, 0x1d20), .driver_data = AZX_DRIVER_PCH },
+ { PCI_DEVICE(0x8086, 0x1d20),
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP },
/* Panther Point */
- { PCI_DEVICE(0x8086, 0x1e20), .driver_data = AZX_DRIVER_PCH },
+ { PCI_DEVICE(0x8086, 0x1e20),
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP },
/* SCH */
- { PCI_DEVICE(0x8086, 0x811b), .driver_data = AZX_DRIVER_SCH },
+ { PCI_DEVICE(0x8086, 0x811b),
+ .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP },
/* Generic Intel */
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
.driver_data = AZX_DRIVER_ICH },
- /* ATI SB 450/600 */
- { PCI_DEVICE(0x1002, 0x437b), .driver_data = AZX_DRIVER_ATI },
- { PCI_DEVICE(0x1002, 0x4383), .driver_data = AZX_DRIVER_ATI },
+ /* ATI SB 450/600/700/800/900 */
+ { PCI_DEVICE(0x1002, 0x437b),
+ .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
+ { PCI_DEVICE(0x1002, 0x4383),
+ .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
+ /* AMD Hudson */
+ { PCI_DEVICE(0x1022, 0x780d),
+ .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
/* ATI HDMI */
- { PCI_DEVICE(0x1002, 0x793b), .driver_data = AZX_DRIVER_ATIHDMI },
- { PCI_DEVICE(0x1002, 0x7919), .driver_data = AZX_DRIVER_ATIHDMI },
- { PCI_DEVICE(0x1002, 0x960f), .driver_data = AZX_DRIVER_ATIHDMI },
- { PCI_DEVICE(0x1002, 0x970f), .driver_data = AZX_DRIVER_ATIHDMI },
- { PCI_DEVICE(0x1002, 0xaa00), .driver_data = AZX_DRIVER_ATIHDMI },
- { PCI_DEVICE(0x1002, 0xaa08), .driver_data = AZX_DRIVER_ATIHDMI },
- { PCI_DEVICE(0x1002, 0xaa10), .driver_data = AZX_DRIVER_ATIHDMI },
- { PCI_DEVICE(0x1002, 0xaa18), .driver_data = AZX_DRIVER_ATIHDMI },
- { PCI_DEVICE(0x1002, 0xaa20), .driver_data = AZX_DRIVER_ATIHDMI },
- { PCI_DEVICE(0x1002, 0xaa28), .driver_data = AZX_DRIVER_ATIHDMI },
- { PCI_DEVICE(0x1002, 0xaa30), .driver_data = AZX_DRIVER_ATIHDMI },
- { PCI_DEVICE(0x1002, 0xaa38), .driver_data = AZX_DRIVER_ATIHDMI },
- { PCI_DEVICE(0x1002, 0xaa40), .driver_data = AZX_DRIVER_ATIHDMI },
- { PCI_DEVICE(0x1002, 0xaa48), .driver_data = AZX_DRIVER_ATIHDMI },
+ { PCI_DEVICE(0x1002, 0x793b),
+ .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
+ { PCI_DEVICE(0x1002, 0x7919),
+ .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
+ { PCI_DEVICE(0x1002, 0x960f),
+ .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
+ { PCI_DEVICE(0x1002, 0x970f),
+ .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
+ { PCI_DEVICE(0x1002, 0xaa00),
+ .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
+ { PCI_DEVICE(0x1002, 0xaa08),
+ .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
+ { PCI_DEVICE(0x1002, 0xaa10),
+ .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
+ { PCI_DEVICE(0x1002, 0xaa18),
+ .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
+ { PCI_DEVICE(0x1002, 0xaa20),
+ .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
+ { PCI_DEVICE(0x1002, 0xaa28),
+ .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
+ { PCI_DEVICE(0x1002, 0xaa30),
+ .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
+ { PCI_DEVICE(0x1002, 0xaa38),
+ .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
+ { PCI_DEVICE(0x1002, 0xaa40),
+ .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
+ { PCI_DEVICE(0x1002, 0xaa48),
+ .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
/* VIA VT8251/VT8237A */
- { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA },
+ { PCI_DEVICE(0x1106, 0x3288),
+ .driver_data = AZX_DRIVER_VIA | AZX_DCAPS_POSFIX_VIA },
/* SIS966 */
{ PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
/* ULI M5461 */
@@ -2828,9 +2854,10 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
{ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
- .driver_data = AZX_DRIVER_NVIDIA },
+ .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA },
/* Teradici */
- { PCI_DEVICE(0x6549, 0x1200), .driver_data = AZX_DRIVER_TERA },
+ { PCI_DEVICE(0x6549, 0x1200),
+ .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
/* Creative X-Fi (CA0110-IBG) */
#if !defined(CONFIG_SND_CTXFI) && !defined(CONFIG_SND_CTXFI_MODULE)
/* the following entry conflicts with snd-ctxfi driver,
@@ -2840,10 +2867,13 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
- .driver_data = AZX_DRIVER_CTX },
+ .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
+ AZX_DCAPS_RIRB_PRE_DELAY },
#else
/* this entry seems still valid -- i.e. without emu20kx chip */
- { PCI_DEVICE(0x1102, 0x0009), .driver_data = AZX_DRIVER_CTX },
+ { PCI_DEVICE(0x1102, 0x0009),
+ .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
+ AZX_DCAPS_RIRB_PRE_DELAY },
#endif
/* Vortex86MX */
{ PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
@@ -2853,11 +2883,11 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
- .driver_data = AZX_DRIVER_GENERIC },
+ .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
- .driver_data = AZX_DRIVER_GENERIC },
+ .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, azx_ids);
--
1.7.4.2
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