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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h')
-rw-r--r--drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h
new file mode 100644
index 000000000..4f07836ab
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_BAR_H__
+#define __NVKM_BAR_H__
+#include <core/subdev.h>
+struct nvkm_vma;
+
+struct nvkm_bar {
+ const struct nvkm_bar_func *func;
+ struct nvkm_subdev subdev;
+
+ spinlock_t lock;
+ bool bar2;
+
+ /* whether the BAR supports to be ioremapped WC or should be uncached */
+ bool iomap_uncached;
+};
+
+struct nvkm_vmm *nvkm_bar_bar1_vmm(struct nvkm_device *);
+void nvkm_bar_bar1_reset(struct nvkm_device *);
+void nvkm_bar_bar2_init(struct nvkm_device *);
+void nvkm_bar_bar2_fini(struct nvkm_device *);
+void nvkm_bar_bar2_reset(struct nvkm_device *);
+struct nvkm_vmm *nvkm_bar_bar2_vmm(struct nvkm_device *);
+void nvkm_bar_flush(struct nvkm_bar *);
+
+int nv50_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **);
+int g84_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **);
+int gf100_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **);
+int gk20a_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **);
+int gm107_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **);
+int gm20b_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **);
+int tu102_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **);
+#endif