drm: add plane support v3
Planes are a bit like half-CRTCs. They have a location and fb, but
don't drive outputs directly. Add support for handling them to the core
KMS code.
v2: fix ABI of get_plane - move format_type_ptr to the end
v3: add 'flags' field for interlaced support (from Ville)
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Reviewed-by: Rob Clark <rob.clark@linaro.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 8020798..e20867e 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -44,6 +44,7 @@
#define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
#define DRM_MODE_OBJECT_FB 0xfbfbfbfb
#define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
+#define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
struct drm_mode_object {
uint32_t id;
@@ -278,6 +279,7 @@
struct drm_connector;
struct drm_encoder;
struct drm_pending_vblank_event;
+struct drm_plane;
/**
* drm_crtc_funcs - control CRTCs for a given device
@@ -536,6 +538,62 @@
};
/**
+ * drm_plane_funcs - driver plane control functions
+ * @update_plane: update the plane configuration
+ * @disable_plane: shut down the plane
+ * @destroy: clean up plane resources
+ */
+struct drm_plane_funcs {
+ int (*update_plane)(struct drm_plane *plane,
+ struct drm_crtc *crtc, struct drm_framebuffer *fb,
+ int crtc_x, int crtc_y,
+ unsigned int crtc_w, unsigned int crtc_h,
+ uint32_t src_x, uint32_t src_y,
+ uint32_t src_w, uint32_t src_h);
+ int (*disable_plane)(struct drm_plane *plane);
+ void (*destroy)(struct drm_plane *plane);
+};
+
+/**
+ * drm_plane - central DRM plane control structure
+ * @dev: DRM device this plane belongs to
+ * @head: for list management
+ * @base: base mode object
+ * @possible_crtcs: pipes this plane can be bound to
+ * @format_types: array of formats supported by this plane
+ * @format_count: number of formats supported
+ * @crtc: currently bound CRTC
+ * @fb: currently bound fb
+ * @gamma_size: size of gamma table
+ * @gamma_store: gamma correction table
+ * @enabled: enabled flag
+ * @funcs: helper functions
+ * @helper_private: storage for drver layer
+ */
+struct drm_plane {
+ struct drm_device *dev;
+ struct list_head head;
+
+ struct drm_mode_object base;
+
+ uint32_t possible_crtcs;
+ uint32_t *format_types;
+ uint32_t format_count;
+
+ struct drm_crtc *crtc;
+ struct drm_framebuffer *fb;
+
+ /* CRTC gamma size for reporting to userspace */
+ uint32_t gamma_size;
+ uint16_t *gamma_store;
+
+ bool enabled;
+
+ const struct drm_plane_funcs *funcs;
+ void *helper_private;
+};
+
+/**
* struct drm_mode_set
*
* Represents a single crtc the connectors that it drives with what mode
@@ -589,6 +647,8 @@
struct list_head connector_list;
int num_encoder;
struct list_head encoder_list;
+ int num_plane;
+ struct list_head plane_list;
int num_crtc;
struct list_head crtc_list;
@@ -641,6 +701,7 @@
#define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
#define obj_to_property(x) container_of(x, struct drm_property, base)
#define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
+#define obj_to_plane(x) container_of(x, struct drm_plane, base)
extern void drm_crtc_init(struct drm_device *dev,
@@ -660,6 +721,13 @@
const struct drm_encoder_funcs *funcs,
int encoder_type);
+extern int drm_plane_init(struct drm_device *dev,
+ struct drm_plane *plane,
+ unsigned long possible_crtcs,
+ const struct drm_plane_funcs *funcs,
+ uint32_t *formats, uint32_t format_count);
+extern void drm_plane_cleanup(struct drm_plane *plane);
+
extern void drm_encoder_cleanup(struct drm_encoder *encoder);
extern char *drm_get_connector_name(struct drm_connector *connector);
@@ -753,13 +821,18 @@
/* IOCTLs */
extern int drm_mode_getresources(struct drm_device *dev,
void *data, struct drm_file *file_priv);
-
+extern int drm_mode_getplane_res(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
extern int drm_mode_getcrtc(struct drm_device *dev,
void *data, struct drm_file *file_priv);
extern int drm_mode_getconnector(struct drm_device *dev,
void *data, struct drm_file *file_priv);
extern int drm_mode_setcrtc(struct drm_device *dev,
void *data, struct drm_file *file_priv);
+extern int drm_mode_getplane(struct drm_device *dev,
+ void *data, struct drm_file *file_priv);
+extern int drm_mode_setplane(struct drm_device *dev,
+ void *data, struct drm_file *file_priv);
extern int drm_mode_cursor_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv);
extern int drm_mode_addfb(struct drm_device *dev,