1 /* 2 * Copyright (C) 2010-2011 Chia-I Wu <olvaffe (at) gmail.com> 3 * Copyright (C) 2010-2011 LunarG Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included 13 * in all copies or substantial portions of the 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 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 */ 23 24 #ifndef _GRALLOC_DRM_PRIV_H_ 25 #define _GRALLOC_DRM_PRIV_H_ 26 27 #include <pthread.h> 28 #include <xf86drm.h> 29 #include <xf86drmMode.h> 30 31 #include "gralloc_drm_handle.h" 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 struct gralloc_drm_t { 38 /* initialized by gralloc_drm_create */ 39 int fd; 40 struct gralloc_drm_drv_t *drv; 41 }; 42 43 struct drm_module_t { 44 gralloc_module_t base; 45 46 pthread_mutex_t mutex; 47 struct gralloc_drm_t *drm; 48 }; 49 50 struct gralloc_drm_drv_t { 51 /* destroy the driver */ 52 void (*destroy)(struct gralloc_drm_drv_t *drv); 53 54 /* allocate or import a bo */ 55 struct gralloc_drm_bo_t *(*alloc)(struct gralloc_drm_drv_t *drv, 56 struct gralloc_drm_handle_t *handle); 57 58 /* free a bo */ 59 void (*free)(struct gralloc_drm_drv_t *drv, 60 struct gralloc_drm_bo_t *bo); 61 62 /* map a bo for CPU access */ 63 int (*map)(struct gralloc_drm_drv_t *drv, 64 struct gralloc_drm_bo_t *bo, 65 int x, int y, int w, int h, int enable_write, void **addr); 66 67 /* unmap a bo */ 68 void (*unmap)(struct gralloc_drm_drv_t *drv, 69 struct gralloc_drm_bo_t *bo); 70 71 /* query component offsets, strides and handles for a format */ 72 void (*resolve_format)(struct gralloc_drm_drv_t *drv, 73 struct gralloc_drm_bo_t *bo, 74 uint32_t *pitches, uint32_t *offsets, uint32_t *handles); 75 }; 76 77 struct gralloc_drm_bo_t { 78 struct gralloc_drm_t *drm; 79 struct gralloc_drm_handle_t *handle; 80 81 int imported; /* the handle is from a remote proces when true */ 82 int fb_handle; /* the GEM handle of the bo */ 83 int fb_id; /* the fb id */ 84 85 int lock_count; 86 int locked_for; 87 88 unsigned int refcount; 89 }; 90 91 struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_pipe(int fd, const char *name); 92 struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_intel(int fd); 93 struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_radeon(int fd); 94 struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_rockchip(int fd); 95 struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_nouveau(int fd); 96 97 #ifdef __cplusplus 98 } 99 #endif 100 #endif /* _GRALLOC_DRM_PRIV_H_ */ 101
