1 /* include/linux/msm_hw3d.h 2 * 3 * Copyright (C) 2007 Google, Inc. 4 * 5 * This software is licensed under the terms of the GNU General Public 6 * License version 2, as published by the Free Software Foundation, and 7 * may be copied, distributed, and modified under those terms. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 */ 15 16 17 #ifndef _MSM_HW3D_H_ 18 #define _MSM_HW3D_H_ 19 20 #include <linux/fs.h> 21 #include <linux/ioctl.h> 22 23 struct hw3d_region; 24 25 #define HW3D_IOCTL_MAGIC 'h' 26 #define HW3D_WAIT_FOR_REVOKE _IO(HW3D_IOCTL_MAGIC, 0x80) 27 #define HW3D_WAIT_FOR_INTERRUPT _IO(HW3D_IOCTL_MAGIC, 0x81) 28 #define HW3D_GET_REGIONS \ 29 _IOR(HW3D_IOCTL_MAGIC, 0x82, struct hw3d_region *) 30 31 #define HW3D_REGION_OFFSET(id) ((((uint32_t)(id)) & 0xf) << 28) 32 #define HW3D_REGION_ID(addr) (((uint32_t)(addr) >> 28) & 0xf) 33 #define HW3D_OFFSET_IN_REGION(addr) ((uint32_t)(addr) & ~(0xfUL << 28)) 34 35 enum { 36 HW3D_EBI = 0, 37 HW3D_SMI = 1, 38 HW3D_REGS = 2, 39 40 HW3D_NUM_REGIONS = HW3D_REGS + 1, 41 }; 42 43 struct hw3d_region { 44 unsigned long phys; 45 unsigned long map_offset; 46 unsigned long len; 47 }; 48 49 int get_msm_hw3d_file(int fd, uint32_t *offs, unsigned long *pbase, 50 unsigned long *len, struct file **filp); 51 void put_msm_hw3d_file(struct file *file); 52 bool is_msm_hw3d_file(struct file *file); 53 54 #endif /* _MSM_HW3D_H_ */ 55
