1 /* 2 * Copyright (C) 2016, 2018-2019 ARM Limited. All rights reserved. 3 * 4 * Copyright (C) 2008 The Android Open Source Project 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 #ifndef MALI_GRALLOC_MODULE_H_ 19 #define MALI_GRALLOC_MODULE_H_ 20 21 #include <system/window.h> 22 #include <linux/fb.h> 23 #include <pthread.h> 24 #include <log/log.h> 25 26 #if GRALLOC_VERSION_MAJOR == 0 27 #include <hardware/gralloc.h> 28 #elif GRALLOC_VERSION_MAJOR == 1 29 #include <hardware/gralloc1.h> 30 #else 31 #if HIDL_COMMON_VERSION_SCALED == 100 32 #include <android/hardware/graphics/common/1.0/types.h> 33 #elif HIDL_COMMON_VERSION_SCALED == 110 34 #include <android/hardware/graphics/common/1.1/types.h> 35 #endif 36 #endif 37 38 typedef enum 39 { 40 MALI_DPY_TYPE_UNKNOWN = 0, 41 MALI_DPY_TYPE_CLCD, 42 MALI_DPY_TYPE_HDLCD 43 } mali_dpy_type; 44 45 #if GRALLOC_VERSION_MAJOR <= 1 46 extern hw_module_methods_t mali_gralloc_module_methods; 47 #endif 48 49 #if GRALLOC_VERSION_MAJOR == 1 50 typedef struct 51 { 52 struct hw_module_t common; 53 } gralloc_module_t; 54 #endif 55 56 #if GRALLOC_VERSION_MAJOR == 0 57 int gralloc_register_buffer(gralloc_module_t const *module, buffer_handle_t handle); 58 int gralloc_unregister_buffer(gralloc_module_t const *module, buffer_handle_t handle); 59 int gralloc_lock(gralloc_module_t const *module, buffer_handle_t handle, int usage, int l, int t, int w, int h, 60 void **vaddr); 61 int gralloc_lock_ycbcr(gralloc_module_t const *module, buffer_handle_t handle, int usage, int l, int t, int w, 62 int h, android_ycbcr *ycbcr); 63 int gralloc_unlock(gralloc_module_t const *module, buffer_handle_t handle); 64 int gralloc_lock_async(gralloc_module_t const *module, buffer_handle_t handle, int usage, int l, int t, int w, 65 int h, void **vaddr, int32_t fence_fd); 66 int gralloc_lock_ycbcr_async(gralloc_module_t const *module, buffer_handle_t handle, int usage, int l, int t, 67 int w, int h, android_ycbcr *ycbcr, int32_t fence_fd); 68 int gralloc_unlock_async(gralloc_module_t const *module, buffer_handle_t handle, int32_t *fence_fd); 69 #endif 70 71 struct private_module_t 72 { 73 #if GRALLOC_VERSION_MAJOR <= 1 74 gralloc_module_t base; 75 #endif 76 77 struct private_handle_t *framebuffer; 78 uint32_t flags; 79 uint32_t numBuffers; 80 uint32_t bufferMask; 81 pthread_mutex_t lock; 82 buffer_handle_t currentBuffer; 83 mali_dpy_type dpy_type; 84 85 struct fb_var_screeninfo info; 86 struct fb_fix_screeninfo finfo; 87 float xdpi; 88 float ydpi; 89 float fps; 90 int swapInterval; 91 uint64_t fbdev_format; 92 int ionfd; 93 94 #ifdef __cplusplus 95 /* Never intended to be used from C code */ 96 enum 97 { 98 // flag to indicate we'll post this buffer 99 PRIV_USAGE_LOCKED_FOR_POST = 0x80000000 100 }; 101 #endif 102 103 #ifdef __cplusplus 104 #define INIT_ZERO(obj) (memset(&(obj), 0, sizeof((obj)))) private_module_tprivate_module_t105 private_module_t() 106 { 107 #if GRALLOC_VERSION_MAJOR <= 1 108 base.common.tag = HARDWARE_MODULE_TAG; 109 #if GRALLOC_VERSION_MAJOR == 1 110 base.common.version_major = GRALLOC_MODULE_API_VERSION_1_0; 111 ALOGI("Arm Module v1.0"); 112 #else 113 base.common.version_major = GRALLOC_MODULE_API_VERSION_0_3; 114 ALOGI("Arm Module v0.3"); 115 #endif 116 117 base.common.version_minor = 0; 118 base.common.id = GRALLOC_HARDWARE_MODULE_ID; 119 base.common.name = "Graphics Memory Allocator Module"; 120 base.common.author = "ARM Ltd."; 121 base.common.methods = &mali_gralloc_module_methods; 122 base.common.dso = NULL; 123 INIT_ZERO(base.common.reserved); 124 125 #if GRALLOC_VERSION_MAJOR == 0 126 base.registerBuffer = gralloc_register_buffer; 127 base.unregisterBuffer = gralloc_unregister_buffer; 128 base.lock = gralloc_lock; 129 base.lock_ycbcr = gralloc_lock_ycbcr; 130 base.unlock = gralloc_unlock; 131 base.lockAsync = gralloc_lock_async; 132 base.lockAsync_ycbcr = gralloc_lock_ycbcr_async; 133 base.unlockAsync = gralloc_unlock_async; 134 base.perform = NULL; 135 INIT_ZERO(base.reserved_proc); 136 #endif 137 #endif 138 139 framebuffer = NULL; 140 flags = 0; 141 numBuffers = 0; 142 bufferMask = 0; 143 pthread_mutex_init(&(lock), NULL); 144 currentBuffer = NULL; 145 INIT_ZERO(info); 146 INIT_ZERO(finfo); 147 xdpi = 0.0f; 148 ydpi = 0.0f; 149 fps = 0.0f; 150 swapInterval = 1; 151 ionfd = -1; 152 } 153 #undef INIT_ZERO 154 #endif /* For #ifdef __cplusplus */ 155 }; 156 157 typedef struct private_module_t mali_gralloc_module; 158 159 #endif /* MALI_GRALLOC_MODULE_H_ */ 160