[linux-2.6-block.git] / include / drm / drm_agpsupport.h

/* 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 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 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_ */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
00fd78e5 DH	2	#ifndef _DRM_AGPSUPPORT_H_
	3	#define _DRM_AGPSUPPORT_H_
	4
d7d2c48e	5	#include <linux/agp_backend.h>
00fd78e5	6	#include <linux/kernel.h>
d7d2c48e	7	#include <linux/list.h>
00fd78e5 DH	8	#include <linux/mm.h>
	9	#include <linux/mutex.h>
	10	#include <linux/types.h>
d7d2c48e DH	11	#include <uapi/drm/drm.h>
	12
	13	struct drm_device;
	14	struct drm_file;
00fd78e5	15
cc5ea594 DH	16	struct drm_agp_head {
	17	struct agp_kern_info agp_info;
	18	struct list_head memory;
	19	unsigned long mode;
	20	struct agp_bridge_data *bridge;
	21	int enabled;
	22	int acquired;
	23	unsigned long base;
	24	int agp_mtrr;
	25	int cant_use_aperture;
	26	unsigned long page_mask;
	27	};
	28
a7fb8a23	29	#if IS_ENABLED(CONFIG_AGP)
00fd78e5	30
d2e546b8 DV	31	void drm_free_agp(struct agp_memory * handle, int pages);
	32	int drm_bind_agp(struct agp_memory * handle, unsigned int start);
	33	int drm_unbind_agp(struct agp_memory * handle);
00fd78e5 DH	34
00fd78e5 DH	35	struct drm_agp_head drm_agp_init(struct drm_device dev);
366884b1	36	void drm_legacy_agp_clear(struct drm_device *dev);
00fd78e5 DH	37	int drm_agp_acquire(struct drm_device *dev);
	38	int drm_agp_acquire_ioctl(struct drm_device dev, void data,
	39	struct drm_file *file_priv);
	40	int drm_agp_release(struct drm_device *dev);
	41	int drm_agp_release_ioctl(struct drm_device dev, void data,
	42	struct drm_file *file_priv);
	43	int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
	44	int drm_agp_enable_ioctl(struct drm_device dev, void data,
	45	struct drm_file *file_priv);
	46	int drm_agp_info(struct drm_device dev, struct drm_agp_info info);
	47	int drm_agp_info_ioctl(struct drm_device dev, void data,
	48	struct drm_file *file_priv);
	49	int drm_agp_alloc(struct drm_device dev, struct drm_agp_buffer request);
	50	int drm_agp_alloc_ioctl(struct drm_device dev, void data,
	51	struct drm_file *file_priv);
	52	int drm_agp_free(struct drm_device dev, struct drm_agp_buffer request);
	53	int drm_agp_free_ioctl(struct drm_device dev, void data,
	54	struct drm_file *file_priv);
	55	int drm_agp_unbind(struct drm_device dev, struct drm_agp_binding request);
	56	int drm_agp_unbind_ioctl(struct drm_device dev, void data,
	57	struct drm_file *file_priv);
	58	int drm_agp_bind(struct drm_device dev, struct drm_agp_binding request);
	59	int drm_agp_bind_ioctl(struct drm_device dev, void data,
	60	struct drm_file *file_priv);
d7d2c48e	61
a7fb8a23	62	#else /* CONFIG_AGP */
00fd78e5	63
d2e546b8	64	static inline void drm_free_agp(struct agp_memory * handle, int pages)
00fd78e5 DH	65	{
	66	}
	67
d2e546b8	68	static inline int drm_bind_agp(struct agp_memory * handle, unsigned int start)
00fd78e5 DH	69	{
	70	return -ENODEV;
	71	}
	72
d2e546b8	73	static inline int drm_unbind_agp(struct agp_memory * handle)
00fd78e5 DH	74	{
	75	return -ENODEV;
	76	}
	77
00fd78e5 DH	78	static inline struct drm_agp_head drm_agp_init(struct drm_device dev)
	79	{
	80	return NULL;
	81	}
	82
366884b1	83	static inline void drm_legacy_agp_clear(struct drm_device *dev)
00fd78e5 DH	84	{
	85	}
	86
	87	static inline int drm_agp_acquire(struct drm_device *dev)
	88	{
	89	return -ENODEV;
	90	}
	91
00fd78e5 DH	92	static inline int drm_agp_release(struct drm_device *dev)
	93	{
	94	return -ENODEV;
	95	}
	96
00fd78e5 DH	97	static inline int drm_agp_enable(struct drm_device *dev,
	98	struct drm_agp_mode mode)
	99	{
	100	return -ENODEV;
	101	}
	102
00fd78e5 DH	103	static inline int drm_agp_info(struct drm_device *dev,
	104	struct drm_agp_info *info)
	105	{
	106	return -ENODEV;
	107	}
	108
00fd78e5 DH	109	static inline int drm_agp_alloc(struct drm_device *dev,
	110	struct drm_agp_buffer *request)
	111	{
	112	return -ENODEV;
	113	}
	114
00fd78e5 DH	115	static inline int drm_agp_free(struct drm_device *dev,
	116	struct drm_agp_buffer *request)
	117	{
	118	return -ENODEV;
	119	}
	120
00fd78e5 DH	121	static inline int drm_agp_unbind(struct drm_device *dev,
	122	struct drm_agp_binding *request)
	123	{
	124	return -ENODEV;
	125	}
	126
00fd78e5 DH	127	static inline int drm_agp_bind(struct drm_device *dev,
	128	struct drm_agp_binding *request)
	129	{
	130	return -ENODEV;
	131	}
	132
a7fb8a23	133	#endif /* CONFIG_AGP */
00fd78e5 DH	134
00fd78e5 DH	135	#endif /* _DRM_AGPSUPPORT_H_ */