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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/include/subdev/bar.h')
-rw-r--r--drivers/gpu/drm/nouveau/core/include/subdev/bar.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bar.h b/drivers/gpu/drm/nouveau/core/include/subdev/bar.h
new file mode 100644
index 0000000..4f4ff45
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/bar.h
@@ -0,0 +1,55 @@
+#ifndef __NOUVEAU_BAR_H__
+#define __NOUVEAU_BAR_H__
+
+#include <core/subdev.h>
+#include <core/device.h>
+
+#include <subdev/fb.h>
+
+struct nouveau_vma;
+
+struct nouveau_bar {
+ struct nouveau_subdev base;
+
+ int (*alloc)(struct nouveau_bar *, struct nouveau_object *,
+ struct nouveau_mem *, struct nouveau_object **);
+ void __iomem *iomem;
+
+ int (*kmap)(struct nouveau_bar *, struct nouveau_mem *,
+ u32 flags, struct nouveau_vma *);
+ int (*umap)(struct nouveau_bar *, struct nouveau_mem *,
+ u32 flags, struct nouveau_vma *);
+ void (*unmap)(struct nouveau_bar *, struct nouveau_vma *);
+ void (*flush)(struct nouveau_bar *);
+};
+
+static inline struct nouveau_bar *
+nouveau_bar(void *obj)
+{
+ return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_BAR];
+}
+
+#define nouveau_bar_create(p,e,o,d) \
+ nouveau_bar_create_((p), (e), (o), sizeof(**d), (void **)d)
+#define nouveau_bar_init(p) \
+ nouveau_subdev_init(&(p)->base)
+#define nouveau_bar_fini(p,s) \
+ nouveau_subdev_fini(&(p)->base, (s))
+
+int nouveau_bar_create_(struct nouveau_object *, struct nouveau_object *,
+ struct nouveau_oclass *, int, void **);
+void nouveau_bar_destroy(struct nouveau_bar *);
+
+void _nouveau_bar_dtor(struct nouveau_object *);
+#define _nouveau_bar_init _nouveau_subdev_init
+#define _nouveau_bar_fini _nouveau_subdev_fini
+
+extern struct nouveau_oclass nv50_bar_oclass;
+extern struct nouveau_oclass nvc0_bar_oclass;
+
+int nouveau_bar_alloc(struct nouveau_bar *, struct nouveau_object *,
+ struct nouveau_mem *, struct nouveau_object **);
+
+void nv84_bar_flush(struct nouveau_bar *);
+
+#endif