[mirror_ubuntu-bionic-kernel.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 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_ */
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);
	34	struct agp_memory drm_agp_bind_pages(struct drm_device dev,
00fd78e5 DH	35	struct page **pages,
	36	unsigned long num_pages,
	37	uint32_t gtt_offset,
	38	uint32_t type);
	39
	40	struct drm_agp_head drm_agp_init(struct drm_device dev);
366884b1	41	void drm_legacy_agp_clear(struct drm_device *dev);
00fd78e5 DH	42	int drm_agp_acquire(struct drm_device *dev);
	43	int drm_agp_acquire_ioctl(struct drm_device dev, void data,
	44	struct drm_file *file_priv);
	45	int drm_agp_release(struct drm_device *dev);
	46	int drm_agp_release_ioctl(struct drm_device dev, void data,
	47	struct drm_file *file_priv);
	48	int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
	49	int drm_agp_enable_ioctl(struct drm_device dev, void data,
	50	struct drm_file *file_priv);
	51	int drm_agp_info(struct drm_device dev, struct drm_agp_info info);
	52	int drm_agp_info_ioctl(struct drm_device dev, void data,
	53	struct drm_file *file_priv);
	54	int drm_agp_alloc(struct drm_device dev, struct drm_agp_buffer request);
	55	int drm_agp_alloc_ioctl(struct drm_device dev, void data,
	56	struct drm_file *file_priv);
	57	int drm_agp_free(struct drm_device dev, struct drm_agp_buffer request);
	58	int drm_agp_free_ioctl(struct drm_device dev, void data,
	59	struct drm_file *file_priv);
	60	int drm_agp_unbind(struct drm_device dev, struct drm_agp_binding request);
	61	int drm_agp_unbind_ioctl(struct drm_device dev, void data,
	62	struct drm_file *file_priv);
	63	int drm_agp_bind(struct drm_device dev, struct drm_agp_binding request);
	64	int drm_agp_bind_ioctl(struct drm_device dev, void data,
	65	struct drm_file *file_priv);
d7d2c48e	66
a7fb8a23	67	#else /* CONFIG_AGP */
00fd78e5	68
d2e546b8	69	static inline void drm_free_agp(struct agp_memory * handle, int pages)
00fd78e5 DH	70	{
	71	}
	72
d2e546b8	73	static inline int drm_bind_agp(struct agp_memory * handle, unsigned int start)
00fd78e5 DH	74	{
	75	return -ENODEV;
	76	}
	77
d2e546b8	78	static inline int drm_unbind_agp(struct agp_memory * handle)
00fd78e5 DH	79	{
	80	return -ENODEV;
	81	}
	82
d2e546b8	83	static inline struct agp_memory drm_agp_bind_pages(struct drm_device dev,
00fd78e5 DH	84	struct page **pages,
	85	unsigned long num_pages,
	86	uint32_t gtt_offset,
	87	uint32_t type)
	88	{
	89	return NULL;
	90	}
	91
	92	static inline struct drm_agp_head drm_agp_init(struct drm_device dev)
	93	{
	94	return NULL;
	95	}
	96
366884b1	97	static inline void drm_legacy_agp_clear(struct drm_device *dev)
00fd78e5 DH	98	{
	99	}
	100
	101	static inline int drm_agp_acquire(struct drm_device *dev)
	102	{
	103	return -ENODEV;
	104	}
	105
00fd78e5 DH	106	static inline int drm_agp_release(struct drm_device *dev)
	107	{
	108	return -ENODEV;
	109	}
	110
00fd78e5 DH	111	static inline int drm_agp_enable(struct drm_device *dev,
	112	struct drm_agp_mode mode)
	113	{
	114	return -ENODEV;
	115	}
	116
00fd78e5 DH	117	static inline int drm_agp_info(struct drm_device *dev,
	118	struct drm_agp_info *info)
	119	{
	120	return -ENODEV;
	121	}
	122
00fd78e5 DH	123	static inline int drm_agp_alloc(struct drm_device *dev,
	124	struct drm_agp_buffer *request)
	125	{
	126	return -ENODEV;
	127	}
	128
00fd78e5 DH	129	static inline int drm_agp_free(struct drm_device *dev,
	130	struct drm_agp_buffer *request)
	131	{
	132	return -ENODEV;
	133	}
	134
00fd78e5 DH	135	static inline int drm_agp_unbind(struct drm_device *dev,
	136	struct drm_agp_binding *request)
	137	{
	138	return -ENODEV;
	139	}
	140
00fd78e5 DH	141	static inline int drm_agp_bind(struct drm_device *dev,
	142	struct drm_agp_binding *request)
	143	{
	144	return -ENODEV;
	145	}
	146
a7fb8a23	147	#endif /* CONFIG_AGP */
00fd78e5 DH	148
00fd78e5 DH	149	#endif /* _DRM_AGPSUPPORT_H_ */