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path: root/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h
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Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h')
-rw-r--r--drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h
new file mode 100644
index 000000000000..dd3ba960e75d
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h
@@ -0,0 +1,72 @@
+#ifndef __NVBIOS_THERM_H__
+#define __NVBIOS_THERM_H__
+struct nvbios_therm_threshold {
+ u8 temp;
+ u8 hysteresis;
+};
+
+struct nvbios_therm_sensor {
+ /* diode */
+ s16 slope_mult;
+ s16 slope_div;
+ s16 offset_num;
+ s16 offset_den;
+ s8 offset_constant;
+
+ /* thresholds */
+ struct nvbios_therm_threshold thrs_fan_boost;
+ struct nvbios_therm_threshold thrs_down_clock;
+ struct nvbios_therm_threshold thrs_critical;
+ struct nvbios_therm_threshold thrs_shutdown;
+};
+
+enum nvbios_therm_fan_type {
+ NVBIOS_THERM_FAN_UNK = 0,
+ NVBIOS_THERM_FAN_TOGGLE = 1,
+ NVBIOS_THERM_FAN_PWM = 2,
+};
+
+/* no vbios have more than 6 */
+#define NVKM_TEMP_FAN_TRIP_MAX 10
+struct nvbios_therm_trip_point {
+ int fan_duty;
+ int temp;
+ int hysteresis;
+};
+
+enum nvbios_therm_fan_mode {
+ NVBIOS_THERM_FAN_TRIP = 0,
+ NVBIOS_THERM_FAN_LINEAR = 1,
+ NVBIOS_THERM_FAN_OTHER = 2,
+};
+
+struct nvbios_therm_fan {
+ enum nvbios_therm_fan_type type;
+
+ u32 pwm_freq;
+
+ u8 min_duty;
+ u8 max_duty;
+
+ u16 bump_period;
+ u16 slow_down_period;
+
+ enum nvbios_therm_fan_mode fan_mode;
+ struct nvbios_therm_trip_point trip[NVKM_TEMP_FAN_TRIP_MAX];
+ u8 nr_fan_trip;
+ u8 linear_min_temp;
+ u8 linear_max_temp;
+};
+
+enum nvbios_therm_domain {
+ NVBIOS_THERM_DOMAIN_CORE,
+ NVBIOS_THERM_DOMAIN_AMBIENT,
+};
+
+int
+nvbios_therm_sensor_parse(struct nvkm_bios *, enum nvbios_therm_domain,
+ struct nvbios_therm_sensor *);
+
+int
+nvbios_therm_fan_parse(struct nvkm_bios *, struct nvbios_therm_fan *);
+#endif