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path: root/drivers/gpu/drm/nouveau/core/include/subdev/bios/volt.h
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/include/subdev/bios/volt.h')
-rw-r--r--drivers/gpu/drm/nouveau/core/include/subdev/bios/volt.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bios/volt.h b/drivers/gpu/drm/nouveau/core/include/subdev/bios/volt.h
new file mode 100644
index 000000000000..6a11dcd59770
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/bios/volt.h
@@ -0,0 +1,27 @@
+#ifndef __NVBIOS_VOLT_H__
+#define __NVBIOS_VOLT_H__
+
+struct nouveau_bios;
+
+struct nvbios_volt {
+ u8 vidmask;
+ u32 min;
+ u32 max;
+ u32 base;
+ s16 step;
+};
+
+u16 nvbios_volt_table(struct nouveau_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
+u16 nvbios_volt_parse(struct nouveau_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
+ struct nvbios_volt *);
+
+struct nvbios_volt_entry {
+ u32 voltage;
+ u8 vid;
+};
+
+u16 nvbios_volt_entry(struct nouveau_bios *, int idx, u8 *ver, u8 *len);
+u16 nvbios_volt_entry_parse(struct nouveau_bios *, int idx, u8 *ver, u8 *len,
+ struct nvbios_volt_entry *);
+
+#endif