linux-kernel - [PATCH AUTOSEL 6.10 23/70] PCI: Add function 0 DMA alias quirk for Glenfly Arise chip

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Message-ID: <20241004182200.3670903-23-sashal@kernel.org>
Date: Fri,  4 Oct 2024 14:20:21 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: WangYuli <wangyuli@...ontech.com>,
	SiyuLi <siyuli@...nfly.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Takashi Iwai <tiwai@...e.de>,
	Sasha Levin <sashal@...nel.org>,
	perex@...ex.cz,
	tiwai@...e.com,
	pierre-louis.bossart@...ux.dev,
	peter.ujfalusi@...ux.intel.com,
	maarten.lankhorst@...ux.intel.com,
	kai.vehmanen@...ux.intel.com,
	rsalvaterra@...il.com,
	linux-pci@...r.kernel.org,
	linux-sound@...r.kernel.org
Subject: [PATCH AUTOSEL 6.10 23/70] PCI: Add function 0 DMA alias quirk for Glenfly Arise chip

From: WangYuli <wangyuli@...ontech.com>

[ Upstream commit 9246b487ab3c3b5993aae7552b7a4c541cc14a49 ]

Add DMA support for audio function of Glenfly Arise chip, which uses
Requester ID of function 0.

Link: https://lore.kernel.org/r/CA2BBD087345B6D1+20240823095708.3237375-1-wangyuli@uniontech.com
Signed-off-by: SiyuLi <siyuli@...nfly.com>
Signed-off-by: WangYuli <wangyuli@...ontech.com>
[bhelgaas: lower-case hex to match local code, drop unused Device IDs]
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
Reviewed-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/pci/quirks.c      | 4 ++++
 include/linux/pci_ids.h   | 2 ++
 sound/pci/hda/hda_intel.c | 2 +-
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 568410e64ce64..2c327ddd7f83e 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4246,6 +4246,10 @@ static void quirk_dma_func0_alias(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_RICOH, 0xe832, quirk_dma_func0_alias);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_RICOH, 0xe476, quirk_dma_func0_alias);
 
+/* Some Glenfly chips use function 0 as the PCIe Requester ID for DMA */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_GLENFLY, 0x3d40, quirk_dma_func0_alias);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_GLENFLY, 0x3d41, quirk_dma_func0_alias);
+
 static void quirk_dma_func1_alias(struct pci_dev *dev)
 {
 	if (PCI_FUNC(dev->devfn) != 1)
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 677aea20d3e11..5b24012057ddc 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2659,6 +2659,8 @@
 #define PCI_DEVICE_ID_DCI_PCCOM8	0x0002
 #define PCI_DEVICE_ID_DCI_PCCOM2	0x0004
 
+#define PCI_VENDOR_ID_GLENFLY		0x6766
+
 #define PCI_VENDOR_ID_INTEL		0x8086
 #define PCI_DEVICE_ID_INTEL_EESSC	0x0008
 #define PCI_DEVICE_ID_INTEL_HDA_CML_LP	0x02c8
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 87203b819dd47..61ddb17cca477 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2677,7 +2677,7 @@ static const struct pci_device_id azx_ids[] = {
 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
 	  AZX_DCAPS_PM_RUNTIME },
 	/* GLENFLY */
-	{ PCI_DEVICE(0x6766, PCI_ANY_ID),
+	{ PCI_DEVICE(PCI_VENDOR_ID_GLENFLY, PCI_ANY_ID),
 	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
 	  .class_mask = 0xffffff,
 	  .driver_data = AZX_DRIVER_GFHDMI | AZX_DCAPS_POSFIX_LPIB |
-- 
2.43.0