1/*
 2 * Copyright (C) 2011-2013 Intel Corporation
 3 *
 4 * Permission is hereby granted, free of charge, to any person obtaining a
 5 * copy of this software and associated documentation files (the "Software"),
 6 * to deal in the Software without restriction, including without limitation
 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 8 * and/or sell copies of the Software, and to permit persons to whom the
 9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24#ifndef DRM_PLANE_HELPER_H
25#define DRM_PLANE_HELPER_H
26
27#include <drm/drm_rect.h>
28#include <drm/drm_crtc.h>
29#include <drm/drm_modeset_helper_vtables.h>
30#include <drm/drm_modeset_helper.h>
31
32/*
33 * Drivers that don't allow primary plane scaling may pass this macro in place
34 * of the min/max scale parameters of the update checker function.
35 *
36 * Due to src being in 16.16 fixed point and dest being in integer pixels,
37 * 1<<16 represents no scaling.
38 */
39#define DRM_PLANE_HELPER_NO_SCALING (1<<16)
40
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
41void drm_primary_helper_destroy(struct drm_plane *plane);
42extern const struct drm_plane_funcs drm_primary_helper_funcs;
43
 
 
 
 
 
 
 
 
 
 
 
 
44#endif

 1/*
 2 * Copyright (C) 2011-2013 Intel Corporation
 3 *
 4 * Permission is hereby granted, free of charge, to any person obtaining a
 5 * copy of this software and associated documentation files (the "Software"),
 6 * to deal in the Software without restriction, including without limitation
 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 8 * and/or sell copies of the Software, and to permit persons to whom the
 9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24#ifndef DRM_PLANE_HELPER_H
25#define DRM_PLANE_HELPER_H
26
27#include <drm/drm_rect.h>
28#include <drm/drm_crtc.h>
29#include <drm/drm_modeset_helper_vtables.h>
30#include <drm/drm_modeset_helper.h>
31
32/*
33 * Drivers that don't allow primary plane scaling may pass this macro in place
34 * of the min/max scale parameters of the update checker function.
35 *
36 * Due to src being in 16.16 fixed point and dest being in integer pixels,
37 * 1<<16 represents no scaling.
38 */
39#define DRM_PLANE_HELPER_NO_SCALING (1<<16)
40
41int drm_plane_helper_check_update(struct drm_plane *plane,
42				  struct drm_crtc *crtc,
43				  struct drm_framebuffer *fb,
44				  struct drm_rect *src,
45				  struct drm_rect *dest,
46				  unsigned int rotation,
47				  int min_scale,
48				  int max_scale,
49				  bool can_position,
50				  bool can_update_disabled,
51				  bool *visible);
52int drm_primary_helper_update(struct drm_plane *plane,
53			      struct drm_crtc *crtc,
54			      struct drm_framebuffer *fb,
55			      int crtc_x, int crtc_y,
56			      unsigned int crtc_w, unsigned int crtc_h,
57			      uint32_t src_x, uint32_t src_y,
58			      uint32_t src_w, uint32_t src_h,
59			      struct drm_modeset_acquire_ctx *ctx);
60int drm_primary_helper_disable(struct drm_plane *plane,
61			       struct drm_modeset_acquire_ctx *ctx);
62void drm_primary_helper_destroy(struct drm_plane *plane);
63extern const struct drm_plane_funcs drm_primary_helper_funcs;
64
65int drm_plane_helper_update(struct drm_plane *plane, struct drm_crtc *crtc,
66			    struct drm_framebuffer *fb,
67			    int crtc_x, int crtc_y,
68			    unsigned int crtc_w, unsigned int crtc_h,
69			    uint32_t src_x, uint32_t src_y,
70			    uint32_t src_w, uint32_t src_h);
71int drm_plane_helper_disable(struct drm_plane *plane);
72
73/* For use by drm_crtc_helper.c */
74int drm_plane_helper_commit(struct drm_plane *plane,
75			    struct drm_plane_state *plane_state,
76			    struct drm_framebuffer *old_fb);
77#endif