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Matt Roperc103d1c2014-04-01 15:22:35 -07001/*
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
Matt Roper7daf8d52014-05-29 08:06:52 -070027#include <drm/drm_rect.h>
Daniel Vetter3cb9ae42014-10-29 10:03:57 +010028#include <drm/drm_crtc.h>
Daniel Vetter092d01d2015-12-04 09:45:44 +010029#include <drm/drm_modeset_helper_vtables.h>
Matt Roper7daf8d52014-05-29 08:06:52 -070030
31/*
32 * Drivers that don't allow primary plane scaling may pass this macro in place
33 * of the min/max scale parameters of the update checker function.
34 *
35 * Due to src being in 16.16 fixed point and dest being in integer pixels,
36 * 1<<16 represents no scaling.
37 */
38#define DRM_PLANE_HELPER_NO_SCALING (1<<16)
39
Thierry Redingb54a0932015-08-12 16:54:29 +020040int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
41 const struct drm_crtc_funcs *funcs);
Daniel Vetter3cb9ae42014-10-29 10:03:57 +010042
Thierry Redingb54a0932015-08-12 16:54:29 +020043int drm_plane_helper_check_update(struct drm_plane *plane,
44 struct drm_crtc *crtc,
45 struct drm_framebuffer *fb,
46 struct drm_rect *src,
47 struct drm_rect *dest,
48 const struct drm_rect *clip,
49 int min_scale,
50 int max_scale,
51 bool can_position,
52 bool can_update_disabled,
53 bool *visible);
54int drm_primary_helper_update(struct drm_plane *plane,
55 struct drm_crtc *crtc,
56 struct drm_framebuffer *fb,
57 int crtc_x, int crtc_y,
58 unsigned int crtc_w, unsigned int crtc_h,
59 uint32_t src_x, uint32_t src_y,
60 uint32_t src_w, uint32_t src_h);
61int drm_primary_helper_disable(struct drm_plane *plane);
62void drm_primary_helper_destroy(struct drm_plane *plane);
Matt Roperc103d1c2014-04-01 15:22:35 -070063extern const struct drm_plane_funcs drm_primary_helper_funcs;
Matt Roperc103d1c2014-04-01 15:22:35 -070064
Daniel Vetteracf24a32014-07-29 15:33:05 +020065int 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
Daniel Vetter2f324b42014-10-29 11:13:47 +010073/* 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);
Matt Roperc103d1c2014-04-01 15:22:35 -070077#endif