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/* 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)
void drm_free_agp(struct agp_memory * handle, int pages);
int drm_bind_agp(struct agp_memory * handle, unsigned int start);
int drm_unbind_agp(struct agp_memory * handle);
struct agp_memory *drm_agp_bind_pages(struct drm_device *dev,
struct page **pages,
unsigned long num_pages,
uint32_t gtt_offset,
uint32_t type);
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 void drm_free_agp(struct agp_memory * handle, int pages)
{
}
static inline int drm_bind_agp(struct agp_memory * handle, unsigned int start)
{
return -ENODEV;
}
static inline int drm_unbind_agp(struct agp_memory * handle)
{
return -ENODEV;
}
static inline struct agp_memory *drm_agp_bind_pages(struct drm_device *dev,
struct page **pages,
unsigned long num_pages,
uint32_t gtt_offset,
uint32_t type)
{
return NULL;
}
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_ */
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