62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
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/* include/linux/msm_hw3d.h
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*
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* Copyright (C) 2007 Google, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _MSM_HW3D_H_
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#define _MSM_HW3D_H_
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#include <linux/fs.h>
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#include <linux/ioctl.h>
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struct hw3d_region;
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#define HW3D_IOCTL_MAGIC 'h'
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#define HW3D_WAIT_FOR_REVOKE _IO(HW3D_IOCTL_MAGIC, 0x80)
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#define HW3D_WAIT_FOR_INTERRUPT _IO(HW3D_IOCTL_MAGIC, 0x81)
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#define HW3D_GET_REGIONS \
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_IOR(HW3D_IOCTL_MAGIC, 0x82, struct hw3d_region *)
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#define HW3D_REGION_OFFSET(id) ((((uint32_t)(id)) & 0xf) << 28)
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#define HW3D_REGION_ID(addr) (((uint32_t)(addr) >> 28) & 0xf)
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#define HW3D_OFFSET_IN_REGION(addr) ((uint32_t)(addr) & ~(0xfUL << 28))
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enum {
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HW3D_EBI = 0,
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HW3D_SMI = 1,
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HW3D_REGS = 2,
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HW3D_NUM_REGIONS = HW3D_REGS + 1,
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};
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struct hw3d_region {
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unsigned long phys;
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unsigned long map_offset;
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unsigned long len;
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};
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#ifdef CONFIG_MSM_HW3D
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int get_msm_hw3d_file(int fd, uint32_t *offs, unsigned long *pbase,
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unsigned long *len, struct file **filp);
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void put_msm_hw3d_file(struct file *file);
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bool is_msm_hw3d_file(struct file *file);
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#else
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int get_msm_hw3d_file(int fd, uint32_t *offs, unsigned long *pbase,
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unsigned long *len, struct file **filp) { return -1; }
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void put_msm_hw3d_file(struct file *file) {}
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bool is_msm_hw3d_file(struct file *file) { return false; }
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#endif
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#endif /* _MSM_HW3D_H_ */
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