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drivers/gpu/drm/drm_legacy.h
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#ifndef __DRM_LEGACY_H__
#define __DRM_LEGACY_H__
/*
* Copyright (c) 2014 David Herrmann <dh.herrmann@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* This file contains legacy interfaces that modern drm drivers
* should no longer be using. They cannot be removed as legacy
* drivers use them, and removing them are API breaks.
*/
#include <linux/list.h>
#include <drm/drm_legacy.h>
struct agp_memory;
struct drm_device;
struct drm_file;
/*
* Generic DRM Contexts
*/
#define DRM_KERNEL_CONTEXT 0
#define DRM_RESERVED_CONTEXTS 1
void drm_legacy_ctxbitmap_init(struct drm_device *dev);
void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev);
void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file);
int drm_legacy_resctx(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_addctx(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_getctx(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_switchctx(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_newctx(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_rmctx(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_setsareactx(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_getsareactx(struct drm_device *d, void *v, struct drm_file *f);
/*
* Generic Buffer Management
*/
#define DRM_MAP_HASH_OFFSET 0x10000000
int drm_legacy_getmap_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_legacy_addmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_rmmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_addbufs(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_infobufs(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_markbufs(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_freebufs(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_mapbufs(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_dma_ioctl(struct drm_device *d, void *v, struct drm_file *f);
int __drm_legacy_infobufs(struct drm_device *, void *, int *,
int (*)(void *, int, struct drm_buf_entry *));
int __drm_legacy_mapbufs(struct drm_device *, void *, int *,
void __user **,
int (*)(void *, int, unsigned long, struct drm_buf *),
struct drm_file *);
#ifdef CONFIG_DRM_VM
void drm_legacy_vma_flush(struct drm_device *d);
#else
static inline void drm_legacy_vma_flush(struct drm_device *d)
{
/* do nothing */
}
#endif
/*
* AGP Support
*/
struct drm_agp_mem {
unsigned long handle;
struct agp_memory *memory;
unsigned long bound;
int pages;
struct list_head head;
};
/* drm_lock.c */
int drm_legacy_lock(struct drm_device *d, void *v, struct drm_file *f);
int drm_legacy_unlock(struct drm_device *d, void *v, struct drm_file *f);
void drm_legacy_lock_release(struct drm_device *dev, struct file *filp);
/* DMA support */
int drm_legacy_dma_setup(struct drm_device *dev);
void drm_legacy_dma_takedown(struct drm_device *dev);
void drm_legacy_free_buffer(struct drm_device *dev,
struct drm_buf * buf);
void drm_legacy_reclaim_buffers(struct drm_device *dev,
struct drm_file *filp);
/* Scatter Gather Support */
void drm_legacy_sg_cleanup(struct drm_device *dev);
int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_legacy_sg_free(struct drm_device *dev, void *data,
struct drm_file *file_priv);
#endif /* __DRM_LEGACY_H__ */
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