From: LeoLiu-oc LeoLiu-oc@zhaoxin.com
zhaoxin inclusion category: feature bugzilla: https://bugzilla.openeuler.org/show_bug.cgi?id=19 CVE: NA
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Add the new PCI ID 0x1d17 0x3288 Zhaoxin SB HDAC support.
The patch is scheduled to be submitted to the kernel mainline in 2021.
Signed-off-by: LeoLiu-oc LeoLiu-oc@zhaoxin.com Reviewed-by: Hanjun Guo guohanjun@huawei.com Signed-off-by: Cheng Jian cj.chengjian@huawei.com --- sound/pci/hda/hda_intel.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 2cd8bfd5293b..67791114471c 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -250,7 +250,8 @@ MODULE_SUPPORTED_DEVICE("{{Intel, ICH6}," "{VIA, VT8251}," "{VIA, VT8237A}," "{SiS, SIS966}," - "{ULI, M5461}}"); + "{ULI, M5461}," + "{ZX, ZhaoxinHDA}}"); MODULE_DESCRIPTION("Intel HDA driver");
#if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO) @@ -281,6 +282,7 @@ enum { AZX_DRIVER_CTX, AZX_DRIVER_CTHDA, AZX_DRIVER_CMEDIA, + AZX_DRIVER_ZHAOXIN, AZX_DRIVER_GENERIC, AZX_NUM_DRIVERS, /* keep this as last entry */ }; @@ -401,6 +403,7 @@ static char *driver_short_names[] = { [AZX_DRIVER_CTX] = "HDA Creative", [AZX_DRIVER_CTHDA] = "HDA Creative", [AZX_DRIVER_CMEDIA] = "HDA C-Media", + [AZX_DRIVER_ZHAOXIN] = "HDA Zhaoxin", [AZX_DRIVER_GENERIC] = "HD-Audio Generic", };
@@ -1599,6 +1602,9 @@ static int check_position_fix(struct azx *chip, int fix) dev_dbg(chip->card->dev, "Using FIFO position fix\n"); return POS_FIX_FIFO; } + if (chip->driver_type == AZX_DRIVER_ZHAOXIN) { + return POS_FIX_VIACOMBO; + } if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) { dev_dbg(chip->card->dev, "Using LPIB position fix\n"); return POS_FIX_LPIB; @@ -1755,6 +1761,15 @@ static void azx_check_snoop_available(struct azx *chip) snoop = false; }
+ if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE && + chip->driver_type == AZX_DRIVER_ZHAOXIN) { + u8 val1; + pci_read_config_byte(chip->pci, 0x42, &val1); + if (!(val1 & 0x80) && chip->pci->revision == 0x20) { + snoop = false; + } + } + if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF) snoop = false;
@@ -2811,6 +2826,8 @@ static const struct pci_device_id azx_ids[] = { .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, .class_mask = 0xffffff, .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI }, + /* Zhaoxin */ + { PCI_DEVICE(0x1d17, 0x3288), .driver_data = AZX_DRIVER_ZHAOXIN }, { 0, } }; MODULE_DEVICE_TABLE(pci, azx_ids);