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sys/dev/drm/core/drm_legacy.h
- This file was added.
#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.h> | |||||
#include <drm/drm_device.h> | |||||
#include <drm/drm_legacy.h> | |||||
struct agp_memory; | |||||
struct drm_device; | |||||
struct drm_file; | |||||
struct drm_buf_desc; | |||||
/* | |||||
* Generic DRM Contexts | |||||
*/ | |||||
#define DRM_KERNEL_CONTEXT 0 | |||||
#define DRM_RESERVED_CONTEXTS 1 | |||||
#if IS_ENABLED(CONFIG_DRM_LEGACY) | |||||
void drm_legacy_ctxbitmap_init(struct drm_device *dev); | |||||
void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev); | |||||
void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file); | |||||
#else | |||||
static inline void drm_legacy_ctxbitmap_init(struct drm_device *dev) {} | |||||
static inline void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev) {} | |||||
static inline void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file) {} | |||||
#endif | |||||
void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle); | |||||
#if IS_ENABLED(CONFIG_DRM_LEGACY) | |||||
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); | |||||
#endif | |||||
/* | |||||
* Generic Buffer Management | |||||
*/ | |||||
#define DRM_MAP_HASH_OFFSET 0x10000000 | |||||
#if IS_ENABLED(CONFIG_DRM_LEGACY) | |||||
static inline int drm_legacy_create_map_hash(struct drm_device *dev) | |||||
{ | |||||
return drm_ht_create(&dev->map_hash, 12); | |||||
} | |||||
static inline void drm_legacy_remove_map_hash(struct drm_device *dev) | |||||
{ | |||||
drm_ht_remove(&dev->map_hash); | |||||
} | |||||
#else | |||||
static inline int drm_legacy_create_map_hash(struct drm_device *dev) | |||||
{ | |||||
return 0; | |||||
} | |||||
static inline void drm_legacy_remove_map_hash(struct drm_device *dev) {} | |||||
#endif | |||||
#if IS_ENABLED(CONFIG_DRM_LEGACY) | |||||
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); | |||||
#endif | |||||
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 *); | |||||
#if IS_ENABLED(CONFIG_DRM_LEGACY) | |||||
void drm_legacy_master_rmmaps(struct drm_device *dev, | |||||
struct drm_master *master); | |||||
void drm_legacy_rmmaps(struct drm_device *dev); | |||||
#else | |||||
static inline void drm_legacy_master_rmmaps(struct drm_device *dev, | |||||
struct drm_master *master) {} | |||||
static inline void drm_legacy_rmmaps(struct drm_device *dev) {} | |||||
#endif | |||||
#if IS_ENABLED(CONFIG_DRM_VM) && IS_ENABLED(CONFIG_DRM_LEGACY) | |||||
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 */ | |||||
#if IS_ENABLED(CONFIG_DRM_LEGACY) | |||||
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); | |||||
#else | |||||
static inline void drm_legacy_lock_release(struct drm_device *dev, struct file *filp) {} | |||||
#endif | |||||
/* DMA support */ | |||||
#if IS_ENABLED(CONFIG_DRM_LEGACY) | |||||
int drm_legacy_dma_setup(struct drm_device *dev); | |||||
void drm_legacy_dma_takedown(struct drm_device *dev); | |||||
#else | |||||
static inline int drm_legacy_dma_setup(struct drm_device *dev) | |||||
{ | |||||
return 0; | |||||
} | |||||
#endif | |||||
void drm_legacy_free_buffer(struct drm_device *dev, | |||||
struct drm_buf * buf); | |||||
#if IS_ENABLED(CONFIG_DRM_LEGACY) | |||||
void drm_legacy_reclaim_buffers(struct drm_device *dev, | |||||
struct drm_file *filp); | |||||
#else | |||||
static inline void drm_legacy_reclaim_buffers(struct drm_device *dev, | |||||
struct drm_file *filp) {} | |||||
#endif | |||||
/* Scatter Gather Support */ | |||||
#if IS_ENABLED(CONFIG_DRM_LEGACY) | |||||
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 | |||||
#if IS_ENABLED(CONFIG_DRM_LEGACY) | |||||
void drm_legacy_init_members(struct drm_device *dev); | |||||
void drm_legacy_destroy_members(struct drm_device *dev); | |||||
void drm_legacy_dev_reinit(struct drm_device *dev); | |||||
int drm_legacy_setup(struct drm_device * dev); | |||||
#else | |||||
static inline void drm_legacy_init_members(struct drm_device *dev) {} | |||||
static inline void drm_legacy_destroy_members(struct drm_device *dev) {} | |||||
static inline void drm_legacy_dev_reinit(struct drm_device *dev) {} | |||||
static inline int drm_legacy_setup(struct drm_device * dev) { return 0; } | |||||
#endif | |||||
#if IS_ENABLED(CONFIG_DRM_LEGACY) | |||||
void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master); | |||||
#else | |||||
static inline void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master) {} | |||||
#endif | |||||
#if IS_ENABLED(CONFIG_DRM_LEGACY) | |||||
void drm_master_legacy_init(struct drm_master *master); | |||||
#else | |||||
static inline void drm_master_legacy_init(struct drm_master *master) {} | |||||
#endif | |||||
#endif /* __DRM_LEGACY_H__ */ |