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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h')
-rw-r--r--drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h
new file mode 100644
index 000000000..0be86d5f0
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_VOLT_H__
+#define __NVKM_VOLT_H__
+#include <core/subdev.h>
+
+struct nvkm_volt {
+ const struct nvkm_volt_func *func;
+ struct nvkm_subdev subdev;
+
+ u8 vid_mask;
+ u8 vid_nr;
+ struct {
+ u32 uv;
+ u8 vid;
+ } vid[256];
+
+ u32 max_uv;
+ u32 min_uv;
+
+ /*
+ * These are fully functional map entries creating a sw ceiling for
+ * the voltage. These all can describe different kind of curves, so
+ * that for any given temperature a different one can return the lowest
+ * value of all three.
+ */
+ u8 max0_id;
+ u8 max1_id;
+ u8 max2_id;
+
+ int speedo;
+};
+
+int nvkm_volt_map(struct nvkm_volt *volt, u8 id, u8 temperature);
+int nvkm_volt_map_min(struct nvkm_volt *volt, u8 id);
+int nvkm_volt_get(struct nvkm_volt *);
+int nvkm_volt_set_id(struct nvkm_volt *, u8 id, u8 min_id, u8 temp,
+ int condition);
+
+int nv40_volt_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_volt **);
+int gf100_volt_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_volt **);
+int gf117_volt_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_volt **);
+int gk104_volt_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_volt **);
+int gk20a_volt_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_volt **);
+int gm20b_volt_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_volt **);
+#endif