hwmon: (k10temp) Support up to 12 CCDs on AMD Family of processors
authorBabu Moger <babu.moger@amd.com>
Wed, 24 Nov 2021 16:03:13 +0000 (10:03 -0600)
committerGuenter Roeck <linux@roeck-us.net>
Sun, 26 Dec 2021 23:02:05 +0000 (15:02 -0800)
The current driver can read the temperatures from upto 8 CCDs
(Core-Complex Die).

The newer AMD Family 19h Models 10h-1Fh and A0h-AFh can support up to
12 CCDs. Update the driver to read up to 12 CCDs.

Signed-off-by: Babu Moger <babu.moger@amd.com>
Link: https://lore.kernel.org/r/163776976762.904164.5618896687524494215.stgit@bmoger-ubuntu
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
drivers/hwmon/k10temp.c

index 880990f..4e239bd 100644 (file)
@@ -171,6 +171,10 @@ static const char *k10temp_temp_label[] = {
        "Tccd6",
        "Tccd7",
        "Tccd8",
+       "Tccd9",
+       "Tccd10",
+       "Tccd11",
+       "Tccd12",
 };
 
 static int k10temp_read_labels(struct device *dev,
@@ -206,7 +210,7 @@ static int k10temp_read_temp(struct device *dev, u32 attr, int channel,
                        if (*val < 0)
                                *val = 0;
                        break;
-               case 2 ... 9:           /* Tccd{1-8} */
+               case 2 ... 13:          /* Tccd{1-12} */
                        amd_smn_read(amd_pci_dev_to_node_id(data->pdev),
                                     ZEN_CCD_TEMP(data->ccd_offset, channel - 2),
                                                  &regval);
@@ -341,6 +345,10 @@ static const struct hwmon_channel_info *k10temp_info[] = {
                           HWMON_T_INPUT | HWMON_T_LABEL,
                           HWMON_T_INPUT | HWMON_T_LABEL,
                           HWMON_T_INPUT | HWMON_T_LABEL,
+                          HWMON_T_INPUT | HWMON_T_LABEL,
+                          HWMON_T_INPUT | HWMON_T_LABEL,
+                          HWMON_T_INPUT | HWMON_T_LABEL,
+                          HWMON_T_INPUT | HWMON_T_LABEL,
                           HWMON_T_INPUT | HWMON_T_LABEL),
        NULL
 };
@@ -433,12 +441,15 @@ 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 0x10 ... 0x1f:
                case 0x40 ... 0x4f:     /* Yellow Carp */
-               case 0xa0 ... 0xaf:
                        data->ccd_offset = 0x300;
                        k10temp_get_ccd_support(pdev, data, 8);
                        break;
+               case 0x10 ... 0x1f:
+               case 0xa0 ... 0xaf:
+                       data->ccd_offset = 0x300;
+                       k10temp_get_ccd_support(pdev, data, 12);
+                       break;
                }
        } else {
                data->read_htcreg = read_htcreg_pci;