/* * include/linux/amlogic/dev_ion.h * * Copyright (C) 2014 Amlogic, Inc. * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and * may be copied, distributed, and modified under those terms. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ #ifndef __LINUX_AMLOGIC_ION_H__ #define __LINUX_AMLOGIC_ION_H__ //#include //#include /** * CUSTOM IOCTL - CMD */ #define ION_IOC_MESON_PHYS_ADDR 8 struct meson_phys_data { int handle; unsigned int phys_addr; unsigned int size; }; #if 0 /** * meson_ion_client_create() - allocate a client and returns it * @heap_type_mask: mask of heaps this client can allocate from * @name: used for debugging */ struct ion_client *meson_ion_client_create(unsigned int heap_mask, const char *name); /** * meson_ion_share_fd_to_phys - * associate with a share fd * @client: the client * @share_fd: passed from the user space * @addr point to the physical address * @size point to the size of this ion buffer */ int meson_ion_share_fd_to_phys(struct ion_client *client, int share_fd, ion_phys_addr_t *addr, size_t *len); #endif #endif