| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _DRM_AGPSUPPORT_H_ |
| #define _DRM_AGPSUPPORT_H_ |
| |
| #include <linux/agp_backend.h> |
| #include <linux/kernel.h> |
| #include <linux/list.h> |
| #include <linux/mm.h> |
| #include <linux/mutex.h> |
| #include <linux/types.h> |
| #include <uapi/drm/drm.h> |
| |
| struct drm_device; |
| struct drm_file; |
| |
| struct drm_agp_head { |
| struct agp_kern_info agp_info; |
| struct list_head memory; |
| unsigned long mode; |
| struct agp_bridge_data *bridge; |
| int enabled; |
| int acquired; |
| unsigned long base; |
| int agp_mtrr; |
| int cant_use_aperture; |
| unsigned long page_mask; |
| }; |
| |
| #if IS_ENABLED(CONFIG_AGP) |
| |
| struct drm_agp_head *drm_agp_init(struct drm_device *dev); |
| void drm_legacy_agp_clear(struct drm_device *dev); |
| int drm_agp_acquire(struct drm_device *dev); |
| int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| int drm_agp_release(struct drm_device *dev); |
| int drm_agp_release_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); |
| int drm_agp_enable_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); |
| int drm_agp_info_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); |
| int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); |
| int drm_agp_free_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); |
| int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); |
| int drm_agp_bind_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| |
| #else /* CONFIG_AGP */ |
| |
| static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev) |
| { |
| return NULL; |
| } |
| |
| static inline void drm_legacy_agp_clear(struct drm_device *dev) |
| { |
| } |
| |
| static inline int drm_agp_acquire(struct drm_device *dev) |
| { |
| return -ENODEV; |
| } |
| |
| static inline int drm_agp_release(struct drm_device *dev) |
| { |
| return -ENODEV; |
| } |
| |
| static inline int drm_agp_enable(struct drm_device *dev, |
| struct drm_agp_mode mode) |
| { |
| return -ENODEV; |
| } |
| |
| static inline int drm_agp_info(struct drm_device *dev, |
| struct drm_agp_info *info) |
| { |
| return -ENODEV; |
| } |
| |
| static inline int drm_agp_alloc(struct drm_device *dev, |
| struct drm_agp_buffer *request) |
| { |
| return -ENODEV; |
| } |
| |
| static inline int drm_agp_free(struct drm_device *dev, |
| struct drm_agp_buffer *request) |
| { |
| return -ENODEV; |
| } |
| |
| static inline int drm_agp_unbind(struct drm_device *dev, |
| struct drm_agp_binding *request) |
| { |
| return -ENODEV; |
| } |
| |
| static inline int drm_agp_bind(struct drm_device *dev, |
| struct drm_agp_binding *request) |
| { |
| return -ENODEV; |
| } |
| |
| #endif /* CONFIG_AGP */ |
| |
| #endif /* _DRM_AGPSUPPORT_H_ */ |