| Matt Roper | c103d1c | 2014-04-01 15:22:35 -0700 | [diff] [blame] | 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 | |
| Matt Roper | 7daf8d5 | 2014-05-29 08:06:52 -0700 | [diff] [blame] | 27 | #include <drm/drm_rect.h> |
| 28 | |
| 29 | /* |
| 30 | * Drivers that don't allow primary plane scaling may pass this macro in place |
| 31 | * of the min/max scale parameters of the update checker function. |
| 32 | * |
| 33 | * Due to src being in 16.16 fixed point and dest being in integer pixels, |
| 34 | * 1<<16 represents no scaling. |
| 35 | */ |
| 36 | #define DRM_PLANE_HELPER_NO_SCALING (1<<16) |
| 37 | |
| Matt Roper | c103d1c | 2014-04-01 15:22:35 -0700 | [diff] [blame] | 38 | /** |
| 39 | * DOC: plane helpers |
| 40 | * |
| 41 | * Helper functions to assist with creation and handling of CRTC primary |
| 42 | * planes. |
| 43 | */ |
| 44 | |
| Matt Roper | 7daf8d5 | 2014-05-29 08:06:52 -0700 | [diff] [blame] | 45 | extern int drm_plane_helper_check_update(struct drm_plane *plane, |
| 46 | struct drm_crtc *crtc, |
| 47 | struct drm_framebuffer *fb, |
| 48 | struct drm_rect *src, |
| 49 | struct drm_rect *dest, |
| 50 | const struct drm_rect *clip, |
| 51 | int min_scale, |
| 52 | int max_scale, |
| 53 | bool can_position, |
| 54 | bool can_update_disabled, |
| 55 | bool *visible); |
| Matt Roper | c103d1c | 2014-04-01 15:22:35 -0700 | [diff] [blame] | 56 | extern int drm_primary_helper_update(struct drm_plane *plane, |
| 57 | struct drm_crtc *crtc, |
| 58 | struct drm_framebuffer *fb, |
| 59 | int crtc_x, int crtc_y, |
| 60 | unsigned int crtc_w, unsigned int crtc_h, |
| 61 | uint32_t src_x, uint32_t src_y, |
| 62 | uint32_t src_w, uint32_t src_h); |
| 63 | extern int drm_primary_helper_disable(struct drm_plane *plane); |
| 64 | extern void drm_primary_helper_destroy(struct drm_plane *plane); |
| 65 | extern const struct drm_plane_funcs drm_primary_helper_funcs; |
| 66 | extern struct drm_plane *drm_primary_helper_create_plane(struct drm_device *dev, |
| Thierry Reding | f220e62 | 2014-05-13 12:47:42 +0200 | [diff] [blame] | 67 | const uint32_t *formats, |
| Matt Roper | c103d1c | 2014-04-01 15:22:35 -0700 | [diff] [blame] | 68 | int num_formats); |
| 69 | |
| 70 | |
| 71 | #endif |