svn commit: r189748 - head/sys/dev/k8temp
Rui Paulo
rpaulo at FreeBSD.org
Thu Mar 12 11:59:41 PDT 2009
Author: rpaulo
Date: Thu Mar 12 18:59:39 2009
New Revision: 189748
URL: http://svn.freebsd.org/changeset/base/189748
Log:
Add support for 10h and 11h family of processors. Also, make the sysctl
look like a temperature.
This driver will most likely be renamed to something more meaningful in
the near future.
Submitted by: nork
MFC after: 2 weeks
Modified:
head/sys/dev/k8temp/k8temp.c
Modified: head/sys/dev/k8temp/k8temp.c
==============================================================================
--- head/sys/dev/k8temp/k8temp.c Thu Mar 12 18:18:28 2009 (r189747)
+++ head/sys/dev/k8temp/k8temp.c Thu Mar 12 18:59:39 2009 (r189748)
@@ -48,6 +48,15 @@ __FBSDID("$FreeBSD$");
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
+typedef enum {
+ SENSOR0_CORE0,
+ SENSOR0_CORE1,
+ SENSOR1_CORE0,
+ SENSOR1_CORE1,
+ CORE0,
+ CORE1
+} k8sensor_t;
+
struct k8temp_softc {
device_t sc_dev;
int sc_temps[4];
@@ -55,36 +64,38 @@ struct k8temp_softc {
struct sysctl_oid *sc_oid;
struct sysctl_oid *sc_sysctl_cpu[2];
struct intr_config_hook sc_ich;
+ int32_t (*sc_gettemp)(device_t, k8sensor_t);
};
#define VENDORID_AMD 0x1022
-#define DEVICEID_AMD_MISC 0x1103
+#define DEVICEID_AMD_MISC0F 0x1103
+#define DEVICEID_AMD_MISC10 0x1203
+#define DEVICEID_AMD_MISC11 0x1303
static struct k8temp_product {
uint16_t k8temp_vendorid;
uint16_t k8temp_deviceid;
} k8temp_products[] = {
- { VENDORID_AMD, DEVICEID_AMD_MISC },
+ { VENDORID_AMD, DEVICEID_AMD_MISC0F },
+ { VENDORID_AMD, DEVICEID_AMD_MISC10 },
+ { VENDORID_AMD, DEVICEID_AMD_MISC11 },
{ 0, 0 }
};
/*
* Register control
*/
-#define K8TEMP_REG 0xe4
+#define K8TEMP_REG0F 0xe4
#define K8TEMP_REG_SELSENSOR 0x40
#define K8TEMP_REG_SELCORE 0x04
-#define K8TEMP_MINTEMP 49 /* -49 C is the mininum temperature */
+#define K8TEMP_REG 0xa4
-typedef enum {
- SENSOR0_CORE0,
- SENSOR0_CORE1,
- SENSOR1_CORE0,
- SENSOR1_CORE1,
- CORE0,
- CORE1
-} k8sensor_t;
+#define TZ_ZEROC 2732
+
+ /* -49 C is the mininum temperature */
+#define K8TEMP_OFFSET0F (TZ_ZEROC-490)
+#define K8TEMP_OFFSET (TZ_ZEROC)
/*
* Device methods.
@@ -95,6 +106,7 @@ static int k8temp_attach(device_t dev);
static void k8temp_intrhook(void *arg);
static int k8temp_detach(device_t dev);
static int k8temp_match(device_t dev);
+static int32_t k8temp_gettemp0f(device_t dev, k8sensor_t sensor);
static int32_t k8temp_gettemp(device_t dev, k8sensor_t sensor);
static int k8temp_sysctl(SYSCTL_HANDLER_ARGS);
@@ -193,6 +205,13 @@ k8temp_attach(device_t dev)
return (ENXIO);
}
+ if (pci_get_device(dev) == DEVICEID_AMD_MISC0F)
+ sc->sc_gettemp = k8temp_gettemp0f;
+ else {
+ sc->sc_gettemp = k8temp_gettemp;
+ return (0);
+ }
+
/*
* dev.k8temp.N tree.
*/
@@ -204,13 +223,13 @@ k8temp_attach(device_t dev)
SYSCTL_ADD_PROC(sysctlctx,
SYSCTL_CHILDREN(sysctlnode),
OID_AUTO, "core0", CTLTYPE_INT | CTLFLAG_RD,
- dev, SENSOR0_CORE0, k8temp_sysctl, "I",
+ dev, SENSOR0_CORE0, k8temp_sysctl, "IK",
"Sensor 0 / Core 0 temperature");
SYSCTL_ADD_PROC(sysctlctx,
SYSCTL_CHILDREN(sysctlnode),
OID_AUTO, "core1", CTLTYPE_INT | CTLFLAG_RD,
- dev, SENSOR0_CORE1, k8temp_sysctl, "I",
+ dev, SENSOR0_CORE1, k8temp_sysctl, "IK",
"Sensor 0 / Core 1 temperature");
sysctlnode = SYSCTL_ADD_NODE(sysctlctx,
@@ -220,13 +239,13 @@ k8temp_attach(device_t dev)
SYSCTL_ADD_PROC(sysctlctx,
SYSCTL_CHILDREN(sysctlnode),
OID_AUTO, "core0", CTLTYPE_INT | CTLFLAG_RD,
- dev, SENSOR1_CORE0, k8temp_sysctl, "I",
+ dev, SENSOR1_CORE0, k8temp_sysctl, "IK",
"Sensor 1 / Core 0 temperature");
SYSCTL_ADD_PROC(sysctlctx,
SYSCTL_CHILDREN(sysctlnode),
OID_AUTO, "core1", CTLTYPE_INT | CTLFLAG_RD,
- dev, SENSOR1_CORE1, k8temp_sysctl, "I",
+ dev, SENSOR1_CORE1, k8temp_sysctl, "IK",
"Sensor 1 / Core 1 temperature");
return (0);
@@ -258,7 +277,7 @@ k8temp_intrhook(void *arg)
sc->sc_sysctl_cpu[i] = SYSCTL_ADD_PROC(sysctlctx,
SYSCTL_CHILDREN(device_get_sysctl_tree(cpu)),
OID_AUTO, "temperature", CTLTYPE_INT | CTLFLAG_RD,
- dev, CORE0, k8temp_sysctl, "I",
+ dev, CORE0, k8temp_sysctl, "IK",
"Max of sensor 0 / 1");
}
}
@@ -285,22 +304,23 @@ static int
k8temp_sysctl(SYSCTL_HANDLER_ARGS)
{
device_t dev = (device_t) arg1;
+ struct k8temp_softc *sc = device_get_softc(dev);
int error;
int32_t temp, auxtemp[2];
switch (arg2) {
case CORE0:
- auxtemp[0] = k8temp_gettemp(dev, SENSOR0_CORE0);
- auxtemp[1] = k8temp_gettemp(dev, SENSOR1_CORE0);
+ auxtemp[0] = sc->sc_gettemp(dev, SENSOR0_CORE0);
+ auxtemp[1] = sc->sc_gettemp(dev, SENSOR1_CORE0);
temp = imax(auxtemp[0], auxtemp[1]);
break;
case CORE1:
- auxtemp[0] = k8temp_gettemp(dev, SENSOR0_CORE1);
- auxtemp[1] = k8temp_gettemp(dev, SENSOR1_CORE1);
+ auxtemp[0] = sc->sc_gettemp(dev, SENSOR0_CORE1);
+ auxtemp[1] = sc->sc_gettemp(dev, SENSOR1_CORE1);
temp = imax(auxtemp[0], auxtemp[1]);
break;
default:
- temp = k8temp_gettemp(dev, arg2);
+ temp = sc->sc_gettemp(dev, arg2);
break;
}
error = sysctl_handle_int(oidp, &temp, 0, req);
@@ -309,12 +329,12 @@ k8temp_sysctl(SYSCTL_HANDLER_ARGS)
}
static int32_t
-k8temp_gettemp(device_t dev, k8sensor_t sensor)
+k8temp_gettemp0f(device_t dev, k8sensor_t sensor)
{
uint8_t cfg;
uint32_t temp;
- cfg = pci_read_config(dev, K8TEMP_REG, 1);
+ cfg = pci_read_config(dev, K8TEMP_REG0F, 1);
switch (sensor) {
case SENSOR0_CORE0:
cfg &= ~(K8TEMP_REG_SELSENSOR | K8TEMP_REG_SELCORE);
@@ -334,9 +354,20 @@ k8temp_gettemp(device_t dev, k8sensor_t
cfg = 0;
break;
}
- pci_write_config(dev, K8TEMP_REG, cfg, 1);
- temp = pci_read_config(dev, K8TEMP_REG, 4);
- temp = ((temp >> 16) & 0xff) - K8TEMP_MINTEMP;
+ pci_write_config(dev, K8TEMP_REG0F, cfg, 1);
+ temp = pci_read_config(dev, K8TEMP_REG0F, 4);
+ temp = ((temp >> 16) & 0xff) * 10 + K8TEMP_OFFSET0F;
return (temp);
}
+
+static int32_t
+k8temp_gettemp(device_t dev, k8sensor_t sensor)
+{
+ uint32_t temp;
+
+ temp = pci_read_config(dev, K8TEMP_REG, 4);
+ temp = ((temp >> 21) & 0x3ff) * 10 / 8 + K8TEMP_OFFSET;
+
+ return (temp);
+}
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