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authorDave Airlie <airlied@redhat.com>2011-02-09 13:41:28 +1000
committerDave Airlie <airlied@redhat.com>2011-03-04 14:46:36 +1000
commit4473a7e8234da6d16f4ccfa660fbd72ff1b7dd95 (patch)
tree9f96c5261b8c66a7a1a838f3ebd2ab39e664caa3 /include/drm
parentedd41db37deb21aab5154b94354fe9470fc59cf3 (diff)
drm: add dumb interface
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm.h4
-rw-r--r--include/drm/drm_mode.h29
2 files changed, 33 insertions, 0 deletions
diff --git a/include/drm/drm.h b/include/drm/drm.h
index 2ba71364..c968dc81 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -703,6 +703,10 @@ struct drm_gem_open {
#define DRM_IOCTL_MODE_PAGE_FLIP DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip)
#define DRM_IOCTL_MODE_DIRTYFB DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd)
+#define DRM_IOCTL_MODE_CREATE_DUMB DRM_IOWR(0xB2, struct drm_mode_create_dumb)
+#define DRM_IOCTL_MODE_MAP_DUMB DRM_IOWR(0xB3, struct drm_mode_map_dumb)
+#define DRM_IOCTL_MODE_DESTROY_DUMB DRM_IOWR(0xB4, struct drm_mode_destroy_dumb)
+
/**
* Device specific ioctls should only be in their respective headers
* The device specific ioctl range is from 0x40 to 0x99.
diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h
index 0fc7397c..8b263ad3 100644
--- a/include/drm/drm_mode.h
+++ b/include/drm/drm_mode.h
@@ -344,4 +344,33 @@ struct drm_mode_crtc_page_flip {
__u64 user_data;
};
+/* create a dumb scanout buffer */
+struct drm_mode_create_dumb {
+ uint32_t height;
+ uint32_t width;
+ uint32_t bpp;
+ uint32_t flags;
+ /* handle, pitch, size will be returned */
+ uint32_t handle;
+ uint32_t pitch;
+ uint64_t size;
+};
+
+/* set up for mmap of a dumb scanout buffer */
+struct drm_mode_map_dumb {
+ /** Handle for the object being mapped. */
+ __u32 handle;
+ __u32 pad;
+ /**
+ * Fake offset to use for subsequent mmap call
+ *
+ * This is a fixed-size type for 32/64 compatibility.
+ */
+ __u64 offset;
+};
+
+struct drm_mode_destroy_dumb {
+ uint32_t handle;
+};
+
#endif