1ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson/* 215c7eb9ba46119290695b650d23180884f1156faArun Kumar K.R * Copyright (c) 2011-2014, The Linux Foundation. All rights reserved. 3ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 4ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * Redistribution and use in source and binary forms, with or without 5ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * modification, are permitted provided that the following conditions are 6ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * met: 7ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * * Redistributions of source code must retain the above copyright 8ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * notice, this list of conditions and the following disclaimer. 9ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * * Redistributions in binary form must reproduce the above 10ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * copyright notice, this list of conditions and the following 11ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * disclaimer in the documentation and/or other materials provided 12ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * with the distribution. 13ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * * Neither the name of The Linux Foundation nor the names of its 14ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * contributors may be used to endorse or promote products derived 15ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * from this software without specific prior written permission. 16ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * 17ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson */ 29ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 30ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson#ifndef GRALLOC_MEMALLOC_H 31ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson#define GRALLOC_MEMALLOC_H 32ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 33ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson#include <stdlib.h> 34ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 35ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilsonnamespace gralloc { 36ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 37ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilsonenum { 38ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson CACHE_CLEAN = 0x1, 39ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson CACHE_INVALIDATE, 40ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson CACHE_CLEAN_AND_INVALIDATE, 41ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson}; 42ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 43ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilsonstruct alloc_data { 44ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson void *base; 45ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson int fd; 4692e456fd92a6231dbf5d9de5289ed2f84841a804Saurabh Shah unsigned int offset; 4792e456fd92a6231dbf5d9de5289ed2f84841a804Saurabh Shah unsigned int size; 4892e456fd92a6231dbf5d9de5289ed2f84841a804Saurabh Shah unsigned int align; 4915c7eb9ba46119290695b650d23180884f1156faArun Kumar K.R uintptr_t pHandle; 50ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson bool uncached; 51ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson unsigned int flags; 52ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson int allocType; 53ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson}; 54ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 55ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilsonclass IMemAlloc { 56ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 57ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson public: 58ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson // Allocate buffer - fill in the alloc_data 59ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson // structure and pass it in. Mapped address 60ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson // and fd are returned in the alloc_data struct 61ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson virtual int alloc_buffer(alloc_data& data) = 0; 62ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 63ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson // Free buffer 6492e456fd92a6231dbf5d9de5289ed2f84841a804Saurabh Shah virtual int free_buffer(void *base, unsigned int size, 6592e456fd92a6231dbf5d9de5289ed2f84841a804Saurabh Shah unsigned int offset, int fd) = 0; 66ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 67ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson // Map buffer 6892e456fd92a6231dbf5d9de5289ed2f84841a804Saurabh Shah virtual int map_buffer(void **pBase, unsigned int size, 6992e456fd92a6231dbf5d9de5289ed2f84841a804Saurabh Shah unsigned int offset, int fd) = 0; 70ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 71ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson // Unmap buffer 7292e456fd92a6231dbf5d9de5289ed2f84841a804Saurabh Shah virtual int unmap_buffer(void *base, unsigned int size, 7392e456fd92a6231dbf5d9de5289ed2f84841a804Saurabh Shah unsigned int offset) = 0; 74ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 75ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson // Clean and invalidate 7692e456fd92a6231dbf5d9de5289ed2f84841a804Saurabh Shah virtual int clean_buffer(void *base, unsigned int size, 7792e456fd92a6231dbf5d9de5289ed2f84841a804Saurabh Shah unsigned int offset, int fd, int op) = 0; 78ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 79ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson // Destructor 80ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson virtual ~IMemAlloc() {}; 81ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 82ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson enum { 83ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson FD_INIT = -1, 84ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson }; 85ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 86ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson}; 87ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson 88ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson} // end gralloc namespace 89ef53c1c84ec55ed50f607d52b7abfbb86239408eSimon Wilson#endif // GRALLOC_MEMALLOC_H 90