150 lines
3.8 KiB
C
150 lines
3.8 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _DRM_AGPSUPPORT_H_
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#define _DRM_AGPSUPPORT_H_
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#include <linux/agp_backend.h>
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#include <linux/kernel.h>
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#include <linux/list.h>
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#include <linux/mm.h>
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#include <linux/mutex.h>
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#include <linux/types.h>
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#include <uapi/drm/drm.h>
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struct drm_device;
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struct drm_file;
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struct drm_agp_head {
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struct agp_kern_info agp_info;
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struct list_head memory;
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unsigned long mode;
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struct agp_bridge_data *bridge;
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int enabled;
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int acquired;
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unsigned long base;
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int agp_mtrr;
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int cant_use_aperture;
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unsigned long page_mask;
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};
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#if IS_ENABLED(CONFIG_AGP)
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void drm_free_agp(struct agp_memory * handle, int pages);
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int drm_bind_agp(struct agp_memory * handle, unsigned int start);
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int drm_unbind_agp(struct agp_memory * handle);
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struct agp_memory *drm_agp_bind_pages(struct drm_device *dev,
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struct page **pages,
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unsigned long num_pages,
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uint32_t gtt_offset,
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uint32_t type);
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struct drm_agp_head *drm_agp_init(struct drm_device *dev);
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void drm_legacy_agp_clear(struct drm_device *dev);
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int drm_agp_acquire(struct drm_device *dev);
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int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_agp_release(struct drm_device *dev);
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int drm_agp_release_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
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int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info);
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int drm_agp_info_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
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int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
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int drm_agp_free_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
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int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
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int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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#else /* CONFIG_AGP */
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static inline void drm_free_agp(struct agp_memory * handle, int pages)
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{
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}
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static inline int drm_bind_agp(struct agp_memory * handle, unsigned int start)
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{
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return -ENODEV;
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}
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static inline int drm_unbind_agp(struct agp_memory * handle)
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{
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return -ENODEV;
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}
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static inline struct agp_memory *drm_agp_bind_pages(struct drm_device *dev,
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struct page **pages,
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unsigned long num_pages,
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uint32_t gtt_offset,
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uint32_t type)
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{
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return NULL;
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}
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static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev)
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{
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return NULL;
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}
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static inline void drm_legacy_agp_clear(struct drm_device *dev)
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{
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}
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static inline int drm_agp_acquire(struct drm_device *dev)
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{
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return -ENODEV;
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}
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static inline int drm_agp_release(struct drm_device *dev)
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{
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return -ENODEV;
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}
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static inline int drm_agp_enable(struct drm_device *dev,
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struct drm_agp_mode mode)
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{
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return -ENODEV;
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}
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static inline int drm_agp_info(struct drm_device *dev,
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struct drm_agp_info *info)
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{
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return -ENODEV;
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}
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static inline int drm_agp_alloc(struct drm_device *dev,
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struct drm_agp_buffer *request)
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{
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return -ENODEV;
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}
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static inline int drm_agp_free(struct drm_device *dev,
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struct drm_agp_buffer *request)
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{
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return -ENODEV;
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}
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static inline int drm_agp_unbind(struct drm_device *dev,
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struct drm_agp_binding *request)
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{
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return -ENODEV;
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}
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static inline int drm_agp_bind(struct drm_device *dev,
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struct drm_agp_binding *request)
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{
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return -ENODEV;
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}
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#endif /* CONFIG_AGP */
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#endif /* _DRM_AGPSUPPORT_H_ */
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