mirror of
https://github.com/revyos/thead-kernel.git
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157 lines
5.5 KiB
C
157 lines
5.5 KiB
C
/*
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* @File
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* @Codingstyle LinuxKernel
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* @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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* @License Dual MIT/GPLv2
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*
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* The contents of this file are subject to the MIT license as set out below.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* the GNU General Public License Version 2 ("GPL") in which case the provisions
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* of GPL are applicable instead of those above.
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*
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* If you wish to allow use of your version of this file only under the terms of
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* GPL, and not to allow others to use your version of this file under the terms
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* of the MIT license, indicate your decision by deleting the provisions above
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* and replace them with the notice and other provisions required by GPL as set
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* out in the file called "GPL-COPYING" included in this distribution. If you do
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* not delete the provisions above, a recipient may use your version of this file
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* under the terms of either the MIT license or GPL.
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*
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* This License is also included in this distribution in the file called
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* "MIT-COPYING".
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*
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* EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
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* PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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* PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#if !defined(__DRM_NULLDISP_H__)
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#define __DRM_NULLDISP_H__
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#include <linux/version.h>
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 5, 0))
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#include <drm/drm_device.h>
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#include <drm/drm_file.h>
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#include <linux/types.h>
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#include <linux/vmalloc.h>
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struct dma_buf_attachment;
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struct vm_area_struct;
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struct vm_fault;
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#else
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#include <drm/drmP.h>
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#endif
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 9, 0))
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extern const struct drm_gem_object_funcs nulldisp_gem_funcs;
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#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(5, 9, 0) */
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0))
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#include <drm/drm_gem.h>
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#endif
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int nulldisp_gem_object_get_pages(struct drm_gem_object *obj);
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0))
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 17, 0))
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typedef int vm_fault_t;
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#endif
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vm_fault_t nulldisp_gem_object_vm_fault(struct vm_fault *vmf);
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#else
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int nulldisp_gem_object_vm_fault(struct vm_area_struct *vma,
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struct vm_fault *vmf);
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#endif
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void nulldisp_gem_vm_open(struct vm_area_struct *vma);
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void nulldisp_gem_vm_close(struct vm_area_struct *vma);
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void nulldisp_gem_object_free(struct drm_gem_object *obj);
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int nulldisp_gem_prime_pin(struct drm_gem_object *obj);
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void nulldisp_gem_prime_unpin(struct drm_gem_object *obj);
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struct sg_table *nulldisp_gem_prime_get_sg_table(struct drm_gem_object *obj);
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struct drm_gem_object *
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nulldisp_gem_prime_import_sg_table(struct drm_device *dev,
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0))
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struct dma_buf_attachment *attach,
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#else
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size_t size,
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#endif
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struct sg_table *sgt);
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 4, 0))
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struct dma_buf *nulldisp_gem_prime_export(struct drm_device *dev,
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struct drm_gem_object *obj,
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int flags);
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 11, 0))
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void *nulldisp_gem_prime_vmap(struct drm_gem_object *obj);
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#else
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int nulldisp_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map);
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#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(5, 11, 0) */
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 11, 0))
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void nulldisp_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
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#else
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void nulldisp_gem_prime_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map);
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#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(5, 11, 0) */
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int nulldisp_gem_prime_mmap(struct drm_gem_object *obj,
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struct vm_area_struct *vma);
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 4, 0))
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struct dma_resv *
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nulldisp_gem_prime_res_obj(struct drm_gem_object *obj);
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#endif
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int nulldisp_gem_dumb_create(struct drm_file *file,
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struct drm_device *dev,
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struct drm_mode_create_dumb *args);
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int nulldisp_gem_dumb_map_offset(struct drm_file *file,
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struct drm_device *dev,
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uint32_t handle,
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uint64_t *offset);
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/* internal interfaces */
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struct dma_resv *nulldisp_gem_get_resv(struct drm_gem_object *obj);
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int nulldisp_gem_object_mmap_ioctl(struct drm_device *dev,
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void *data,
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struct drm_file *file);
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int nulldisp_gem_object_cpu_prep_ioctl(struct drm_device *dev,
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void *data,
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struct drm_file *file);
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int nulldisp_gem_object_cpu_fini_ioctl(struct drm_device *dev,
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void *data,
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struct drm_file *file);
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int nulldisp_gem_object_create_ioctl(struct drm_device *dev,
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void *data,
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struct drm_file *file);
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#endif /* !defined(__DRM_NULLDISP_H__) */
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