1a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev/* 27a09f5d1465b17a920bbc877ce1b8c63a754aa67Arun Kumar K.R * Copyright (c) 2011-2014, The Linux Foundation. All rights reserved. 3a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 4a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * Redistribution and use in source and binary forms, with or without 5a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * modification, are permitted provided that the following conditions are 6a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * met: 7a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * * Redistributions of source code must retain the above copyright 8a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * notice, this list of conditions and the following disclaimer. 9a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * * Redistributions in binary form must reproduce the above 10a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * copyright notice, this list of conditions and the following 11a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * disclaimer in the documentation and/or other materials provided 12a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * with the distribution. 135070c694011ddc30673ec68a9d1d74dc713c49f2Duy Truong * * Neither the name of The Linux Foundation nor the names of its 14a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * contributors may be used to endorse or promote products derived 15a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * from this software without specific prior written permission. 16a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * 17a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev */ 29a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 30a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev#ifndef GRALLOC_IONALLOC_H 31a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev#define GRALLOC_IONALLOC_H 32a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 33300ca609e4d082c447140fd977e4460a9e68fa93Naseer Ahmed#include <linux/msm_ion.h> 34a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev#include "memalloc.h" 35befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#include "gr.h" 36a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 37a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchevnamespace gralloc { 38a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 39befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedclass IonAlloc : public IMemAlloc { 40a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 41befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed public: 42befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed virtual int alloc_buffer(alloc_data& data); 43a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 44befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed virtual int free_buffer(void *base, size_t size, 457a09f5d1465b17a920bbc877ce1b8c63a754aa67Arun Kumar K.R size_t offset, int fd); 46a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 47befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed virtual int map_buffer(void **pBase, size_t size, 487a09f5d1465b17a920bbc877ce1b8c63a754aa67Arun Kumar K.R size_t offset, int fd); 49a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 50befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed virtual int unmap_buffer(void *base, size_t size, 517a09f5d1465b17a920bbc877ce1b8c63a754aa67Arun Kumar K.R size_t offset); 52a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 53befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed virtual int clean_buffer(void*base, size_t size, 547a09f5d1465b17a920bbc877ce1b8c63a754aa67Arun Kumar K.R size_t offset, int fd, int op); 55a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 56befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed IonAlloc() { mIonFd = FD_INIT; } 57a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 58befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed ~IonAlloc() { close_device(); } 59a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 60befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed private: 61befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed int mIonFd; 62a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 63befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed int open_device(); 64a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 65befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed void close_device(); 66a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 67befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed mutable Locker mLock; 68befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 69befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed}; 70a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 71a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev} 72a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 73a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev#endif /* GRALLOC_IONALLOC_H */ 74a19f21d925628239ef52c8ce392fa4ada91df6fcIliyan Malchev 75