linux-kernel - [PATCH v2 2/3] hwmon: (k10temp) Add thermal support for AMD Family 1Ah-based models

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Date:   Tue, 8 Aug 2023 22:52:43 -0500
From:   Avadhut Naik <avadhut.naik@....com>
To:     <bp@...en8.de>, <x86@...nel.org>, <linux-edac@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>, <mario.limonciello@....com>,
        <yazen.ghannam@....com>, <linux@...ck-us.net>,
        <linux-hwmon@...r.kernel.org>, <avadnaik@....com>
Subject: [PATCH v2 2/3] hwmon: (k10temp) Add thermal support for AMD Family 1Ah-based models

From: Avadhut Naik <Avadhut.Naik@....com>

Add thermal info support for AMD Family 1Ah-based models. Support is
provided on a per-socket granularity.

Co-developed-by: Mario Limonciello <mario.limonciello@....com>
Signed-off-by: Mario Limonciello <mario.limonciello@....com>
Signed-off-by: Avadhut Naik <Avadhut.Naik@....com>
Acked-by: Guenter Roeck <linux@...ck-us.net>
---
 drivers/hwmon/k10temp.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index a267b11731a8..bae0becfa24b 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -65,7 +65,7 @@ static DEFINE_MUTEX(nb_smu_ind_mutex);
 #define F15H_M60H_HARDWARE_TEMP_CTRL_OFFSET	0xd8200c64
 #define F15H_M60H_REPORTED_TEMP_CTRL_OFFSET	0xd8200ca4
 
-/* Common for Zen CPU families (Family 17h and 18h and 19h) */
+/* Common for Zen CPU families (Family 17h and 18h and 19h and 1Ah) */
 #define ZEN_REPORTED_TEMP_CTRL_BASE		0x00059800
 
 #define ZEN_CCD_TEMP(offset, x)			(ZEN_REPORTED_TEMP_CTRL_BASE + \
@@ -475,6 +475,10 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 			k10temp_get_ccd_support(pdev, data, 12);
 			break;
 		}
+	} else if (boot_cpu_data.x86 == 0x1a) {
+		data->temp_adjust_mask = ZEN_CUR_TEMP_RANGE_SEL_MASK;
+		data->read_tempreg = read_tempreg_nb_zen;
+		data->is_zen = true;
 	} else {
 		data->read_htcreg = read_htcreg_pci;
 		data->read_tempreg = read_tempreg_pci;
@@ -521,6 +525,8 @@ static const struct pci_device_id k10temp_id_table[] = {
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_19H_M60H_DF_F3) },
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_19H_M70H_DF_F3) },
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_19H_M78H_DF_F3) },
+	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_1AH_M00H_DF_F3) },
+	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_1AH_M20H_DF_F3) },
 	{ PCI_VDEVICE(HYGON, PCI_DEVICE_ID_AMD_17H_DF_F3) },
 	{}
 };
-- 
2.34.1