linux-kernel - [PATCH v2] PCI: Add function 0 DMA alias quirk for Glenfly arise chip

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Message-ID: <CA2BBD087345B6D1+20240823095708.3237375-1-wangyuli@uniontech.com>
Date: Fri, 23 Aug 2024 17:57:08 +0800
From: WangYuli <wangyuli@...ontech.com>
To: bhelgaas@...gle.com,
	siyuli@...nfly.com,
	perex@...ex.cz,
	tiwai@...e.com,
	pierre-louis.bossart@...ux.intel.com,
	maarten.lankhorst@...ux.intel.com,
	peter.ujfalusi@...ux.intel.com,
	kai.vehmanen@...ux.intel.com,
	rsalvaterra@...il.com,
	suijingfeng@...ngson.cn
Cc: linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-sound@...r.kernel.org,
	jasontao@...nfly.com,
	reaperlioc@...nfly.com,
	guanwentao@...ontech.com,
	linux@...izon.com,
	pat-lkml@...ey.org,
	alex.williamson@...hat.com,
	WangYuli <wangyuli@...ontech.com>
Subject: [PATCH v2] PCI: Add function 0 DMA alias quirk for Glenfly arise chip

Add DMA support for audio function of Glenfly arise chip,
which uses request id of function 0.

Link: https://lore.kernel.org/all/20240822185617.GA344785@bhelgaas/
Signed-off-by: SiyuLi <siyuli@...nfly.com>
Signed-off-by: WangYuli <wangyuli@...ontech.com>
---
 drivers/pci/quirks.c      | 6 ++++++
 include/linux/pci_ids.h   | 4 ++++
 sound/pci/hda/hda_intel.c | 2 +-
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index dd75c7646bb7..7aad5311326d 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4259,6 +4259,12 @@ 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 too.
+ */
+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 e388c8b1cbc2..536465196d09 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2661,6 +2661,10 @@
 #define PCI_DEVICE_ID_DCI_PCCOM8	0x0002
 #define PCI_DEVICE_ID_DCI_PCCOM2	0x0004
 
+#define PCI_VENDOR_ID_GLENFLY	    0x6766
+#define PCI_DEVICE_ID_GLENFLY_ARISE10C0_AUDIO	 0x3D40
+#define PCI_DEVICE_ID_GLENFLY_ARISE1020_AUDIO	 0x3D41
+
 #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 b33602e64d17..e8958a464647 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2671,7 +2671,7 @@ 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 |
-- 
2.43.4