linux-kernel - [PATCH v2 2/3] hwmon: (k10temp): Add support for yellow carp

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Date:   Fri, 27 Aug 2021 15:15:26 -0500
From:   Mario Limonciello <mario.limonciello@....com>
To:     Clemens Ladisch <clemens@...isch.de>
CC:     <linux-hwmon@...r.kernel.org>,
        Gabriel Craciunescu <nix.or.die@...glemail.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Wei Huang <wei.huang2@....com>,
        Mario Limonciello <mario.limonciello@....com>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "Borislav Petkov" <bp@...en8.de>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>, Jean Delvare <jdelvare@...e.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Yazen Ghannam <yazen.ghannam@....com>,
        David Bartley <andareed@...il.com>,
        "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" 
        <linux-kernel@...r.kernel.org>,
        "open list:PCI SUBSYSTEM" <linux-pci@...r.kernel.org>
Subject: [PATCH v2 2/3] hwmon: (k10temp): Add support for yellow carp

Yellow carp matches same behavior as green sardine and other Zen3
products, but have different CCD offsets.

Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
 arch/x86/kernel/amd_nb.c | 5 +++++
 drivers/hwmon/k10temp.c  | 5 +++++
 include/linux/pci_ids.h  | 1 +
 3 files changed, 11 insertions(+)

diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c
index 23dda362dc0f..c92c9c774c0e 100644
--- a/arch/x86/kernel/amd_nb.c
+++ b/arch/x86/kernel/amd_nb.c
@@ -25,6 +25,8 @@
 #define PCI_DEVICE_ID_AMD_17H_M60H_DF_F4 0x144c
 #define PCI_DEVICE_ID_AMD_17H_M70H_DF_F4 0x1444
 #define PCI_DEVICE_ID_AMD_19H_DF_F4	0x1654
+#define PCI_DEVICE_ID_AMD_19H_M40H_ROOT	0x14b5
+#define PCI_DEVICE_ID_AMD_19H_M40H_DF_F4 0x167d
 #define PCI_DEVICE_ID_AMD_19H_M50H_DF_F4 0x166e
 
 /* Protect the PCI config register pairs used for SMN and DF indirect access. */
@@ -37,6 +39,7 @@ static const struct pci_device_id amd_root_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M10H_ROOT) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M30H_ROOT) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M60H_ROOT) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M40H_ROOT) },
 	{}
 };
 
@@ -58,6 +61,7 @@ static const struct pci_device_id amd_nb_misc_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CNB17H_F3) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M70H_DF_F3) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_DF_F3) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M40H_DF_F3) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M50H_DF_F3) },
 	{}
 };
@@ -74,6 +78,7 @@ static const struct pci_device_id amd_nb_link_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M60H_DF_F4) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M70H_DF_F4) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_DF_F4) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M40H_DF_F4) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M50H_DF_F4) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CNB17H_F4) },
 	{}
diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index 159dbad73d82..38bc35ac8135 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -459,6 +459,10 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 			data->ccd_offset = 0x154;
 			k10temp_get_ccd_support(pdev, data, 8);
 			break;
+		case 0x40 ... 0x4f:	/* Yellow Carp */
+			data->ccd_offset = 0x300;
+			k10temp_get_ccd_support(pdev, data, 8);
+			break;
 		}
 	} else {
 		data->read_htcreg = read_htcreg_pci;
@@ -499,6 +503,7 @@ static const struct pci_device_id k10temp_id_table[] = {
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_M60H_DF_F3) },
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_M70H_DF_F3) },
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_19H_DF_F3) },
+	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_19H_M40H_DF_F3) },
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_19H_M50H_DF_F3) },
 	{ PCI_VDEVICE(HYGON, PCI_DEVICE_ID_AMD_17H_DF_F3) },
 	{}
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 5356ccf1c275..e77a62fd0036 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -555,6 +555,7 @@
 #define PCI_DEVICE_ID_AMD_17H_M60H_DF_F3 0x144b
 #define PCI_DEVICE_ID_AMD_17H_M70H_DF_F3 0x1443
 #define PCI_DEVICE_ID_AMD_19H_DF_F3	0x1653
+#define PCI_DEVICE_ID_AMD_19H_M40H_DF_F3 0x167c
 #define PCI_DEVICE_ID_AMD_19H_M50H_DF_F3 0x166d
 #define PCI_DEVICE_ID_AMD_CNB17H_F3	0x1703
 #define PCI_DEVICE_ID_AMD_LANCE		0x2000
-- 
2.25.1