Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9af0a9ae authored by Guenter Roeck's avatar Guenter Roeck
Browse files

hwmon: (k10temp) Add support for family 17h



Add support for temperature sensors on Family 17h (Ryzen) processors.

Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 68546abf
Loading
Loading
Loading
Loading
+16 −0
Original line number Diff line number Diff line
@@ -36,6 +36,10 @@ MODULE_PARM_DESC(force, "force loading on processors with erratum 319");
/* Provide lock for writing to NB_SMU_IND_ADDR */
static DEFINE_MUTEX(nb_smu_ind_mutex);

#ifndef PCI_DEVICE_ID_AMD_17H_DF_F3
#define PCI_DEVICE_ID_AMD_17H_DF_F3	0x1463
#endif

/* CPUID function 0x80000001, ebx */
#define CPUID_PKGTYPE_MASK	0xf0000000
#define CPUID_PKGTYPE_F		0x00000000
@@ -61,6 +65,9 @@ static DEFINE_MUTEX(nb_smu_ind_mutex);
 */
#define F15H_M60H_REPORTED_TEMP_CTRL_OFFSET	0xd8200ca4

/* F17h M01h Access througn SMN */
#define F17H_M01H_REPORTED_TEMP_CTRL_OFFSET	0x00059800

struct k10temp_data {
	struct pci_dev *pdev;
	void (*read_tempreg)(struct pci_dev *pdev, u32 *regval);
@@ -88,6 +95,12 @@ static void read_tempreg_nb_f15(struct pci_dev *pdev, u32 *regval)
			  F15H_M60H_REPORTED_TEMP_CTRL_OFFSET, regval);
}

static void read_tempreg_nb_f17(struct pci_dev *pdev, u32 *regval)
{
	amd_nb_index_read(pdev, PCI_DEVFN(0, 0), 0x60,
			  F17H_M01H_REPORTED_TEMP_CTRL_OFFSET, regval);
}

static ssize_t temp1_input_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
@@ -224,6 +237,8 @@ static int k10temp_probe(struct pci_dev *pdev,
	if (boot_cpu_data.x86 == 0x15 && (boot_cpu_data.x86_model == 0x60 ||
					  boot_cpu_data.x86_model == 0x70))
		data->read_tempreg = read_tempreg_nb_f15;
	else if (boot_cpu_data.x86 == 0x17)
		data->read_tempreg = read_tempreg_nb_f17;
	else
		data->read_tempreg = read_tempreg_pci;

@@ -242,6 +257,7 @@ static const struct pci_device_id k10temp_id_table[] = {
	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M60H_NB_F3) },
	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_NB_F3) },
	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) },
	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_DF_F3) },
	{}
};
MODULE_DEVICE_TABLE(pci, k10temp_id_table);