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/*
 * Copyright © 2008-2012 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 * Authors:
 *    Eric Anholt <eric@anholt.net>
 *
 */

/**
 * @file intel_bufmgr.h
 *
 * Public definitions of Intel-specific bufmgr functions.
 */

#ifndef INTEL_BUFMGR_H
#define INTEL_BUFMGR_H

#include <stdio.h>
#include <stdint.h>
#include <stdio.h>

#if defined(__cplusplus)
extern "C" {
#endif

struct drm_clip_rect;

typedef struct _drm_intel_bufmgr drm_intel_bufmgr;
typedef struct _drm_intel_context drm_intel_context;
typedef struct _drm_intel_bo drm_intel_bo;

struct _drm_intel_bo {
	/**
	 * Size in bytes of the buffer object.
	 *
	 * The size may be larger than the size originally requested for the
	 * allocation, such as being aligned to page size.
	 */
	unsigned long size;

	/**
	 * Alignment requirement for object
	 *
	 * Used for GTT mapping & pinning the object.
	 */
	unsigned long align;

	/**
	 * Deprecated field containing (possibly the low 32-bits of) the last
	 * seen virtual card address.  Use offset64 instead.
	 */
	unsigned long offset;

	/**
	 * Virtual address for accessing the buffer data.  Only valid while
	 * mapped.
	 */
#ifdef __cplusplus
	void *virt;
#else
	void *virtual;
#endif

	/** Buffer manager context associated with this buffer object */
	drm_intel_bufmgr *bufmgr;

	/**
	 * MM-specific handle for accessing object
	 */
	int handle;

	/**
	 * Last seen card virtual address (offset from the beginning of the
	 * aperture) for the object.  This should be used to fill relocation
	 * entries when calling drm_intel_bo_emit_reloc()
	 */
	uint64_t offset64;
};

enum aub_dump_bmp_format {
	AUB_DUMP_BMP_FORMAT_8BIT = 1,
	AUB_DUMP_BMP_FORMAT_ARGB_4444 = 4,
	AUB_DUMP_BMP_FORMAT_ARGB_0888 = 6,
	AUB_DUMP_BMP_FORMAT_ARGB_8888 = 7,
};

typedef struct _drm_intel_aub_annotation {
	uint32_t type;
	uint32_t subtype;
	uint32_t ending_offset;
} drm_intel_aub_annotation;

#define BO_ALLOC_FOR_RENDER (1<<0)

drm_intel_bo *drm_intel_bo_alloc(drm_intel_bufmgr *bufmgr, const char *name,
				 unsigned long size, unsigned int alignment);
drm_intel_bo *drm_intel_bo_alloc_for_render(drm_intel_bufmgr *bufmgr,
					    const char *name,
					    unsigned long size,
					    unsigned int alignment);
drm_intel_bo *drm_intel_bo_alloc_userptr(drm_intel_bufmgr *bufmgr,
					const char *name,
					void *addr, uint32_t tiling_mode,
					uint32_t stride, unsigned long size,
					unsigned long flags);
drm_intel_bo *drm_intel_bo_alloc_tiled(drm_intel_bufmgr *bufmgr,
				       const char *name,
				       int x, int y, int cpp,
				       uint32_t *tiling_mode,
				       unsigned long *pitch,
				       unsigned long flags);
void drm_intel_bo_reference(drm_intel_bo *bo);
void drm_intel_bo_unreference(drm_intel_bo *bo);
int drm_intel_bo_map(drm_intel_bo *bo, int write_enable);
int drm_intel_bo_unmap(drm_intel_bo *bo);

int drm_intel_bo_subdata(drm_intel_bo *bo, unsigned long offset,
			 unsigned long size, const void *data);
int drm_intel_bo_get_subdata(drm_intel_bo *bo, unsigned long offset,
			     unsigned long size, void *data);
void drm_intel_bo_wait_rendering(drm_intel_bo *bo);

void drm_intel_bufmgr_set_debug(drm_intel_bufmgr *bufmgr, int enable_debug);
void drm_intel_bufmgr_destroy(drm_intel_bufmgr *bufmgr);
int drm_intel_bo_exec(drm_intel_bo *bo, int used,
		      struct drm_clip_rect *cliprects, int num_cliprects, int DR4);
int drm_intel_bo_mrb_exec(drm_intel_bo *bo, int used,
			struct drm_clip_rect *cliprects, int num_cliprects, int DR4,
			unsigned int flags);
int drm_intel_bufmgr_check_aperture_space(drm_intel_bo ** bo_array, int count);

int drm_intel_bo_emit_reloc(drm_intel_bo *bo, uint32_t offset,
			    drm_intel_bo *target_bo, uint32_t target_offset,
			    uint32_t read_domains, uint32_t write_domain);
int drm_intel_bo_emit_reloc_fence(drm_intel_bo *bo, uint32_t offset,
				  drm_intel_bo *target_bo,
				  uint32_t target_offset,
				  uint32_t read_domains, uint32_t write_domain);
int drm_intel_bo_pin(drm_intel_bo *bo, uint32_t alignment);
int drm_intel_bo_unpin(drm_intel_bo *bo);
int drm_intel_bo_set_tiling(drm_intel_bo *bo, uint32_t * tiling_mode,
			    uint32_t stride);
int drm_intel_bo_get_tiling(drm_intel_bo *bo, uint32_t * tiling_mode,
			    uint32_t * swizzle_mode);
int drm_intel_bo_flink(drm_intel_bo *bo, uint32_t * name);
int drm_intel_bo_busy(drm_intel_bo *bo);
int drm_intel_bo_madvise(drm_intel_bo *bo, int madv);
int drm_intel_bo_use_48b_address_range(drm_intel_bo *bo, uint32_t enable);
int drm_intel_bo_set_softpin_offset(drm_intel_bo *bo, uint64_t offset);

int drm_intel_bo_disable_reuse(drm_intel_bo *bo);
int drm_intel_bo_is_reusable(drm_intel_bo *bo);
int drm_intel_bo_references(drm_intel_bo *bo, drm_intel_bo *target_bo);

/* drm_intel_bufmgr_gem.c */
drm_intel_bufmgr *drm_intel_bufmgr_gem_init(int fd, int batch_size);
drm_intel_bo *drm_intel_bo_gem_create_from_name(drm_intel_bufmgr *bufmgr,
						const char *name,
						unsigned int handle);
void drm_intel_bufmgr_gem_enable_reuse(drm_intel_bufmgr *bufmgr);
void drm_intel_bufmgr_gem_enable_fenced_relocs(drm_intel_bufmgr *bufmgr);
void drm_intel_bufmgr_gem_set_vma_cache_size(drm_intel_bufmgr *bufmgr,
					     int limit);
int drm_intel_gem_bo_map_unsynchronized(drm_intel_bo *bo);
int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo);
int drm_intel_gem_bo_unmap_gtt(drm_intel_bo *bo);

#define HAVE_DRM_INTEL_GEM_BO_DISABLE_IMPLICIT_SYNC 1
int drm_intel_bufmgr_gem_can_disable_implicit_sync(drm_intel_bufmgr *bufmgr);
void drm_intel_gem_bo_disable_implicit_sync(drm_intel_bo *bo);
void drm_intel_gem_bo_enable_implicit_sync(drm_intel_bo *bo);

void *drm_intel_gem_bo_map__cpu(drm_intel_bo *bo);
void *drm_intel_gem_bo_map__gtt(drm_intel_bo *bo);
void *drm_intel_gem_bo_map__wc(drm_intel_bo *bo);

int drm_intel_gem_bo_get_reloc_count(drm_intel_bo *bo);
void drm_intel_gem_bo_clear_relocs(drm_intel_bo *bo, int start);
void drm_intel_gem_bo_start_gtt_access(drm_intel_bo *bo, int write_enable);

void
drm_intel_bufmgr_gem_set_aub_filename(drm_intel_bufmgr *bufmgr,
				      const char *filename);
void drm_intel_bufmgr_gem_set_aub_dump(drm_intel_bufmgr *bufmgr, int enable);
void drm_intel_gem_bo_aub_dump_bmp(drm_intel_bo *bo,
				   int x1, int y1, int width, int height,
				   enum aub_dump_bmp_format format,
				   int pitch, int offset);
void
drm_intel_bufmgr_gem_set_aub_annotations(drm_intel_bo *bo,
					 drm_intel_aub_annotation *annotations,
					 unsigned count);

int drm_intel_get_pipe_from_crtc_id(drm_intel_bufmgr *bufmgr, int crtc_id);

int drm_intel_get_aperture_sizes(int fd, size_t *mappable, size_t *total);
int drm_intel_bufmgr_gem_get_devid(drm_intel_bufmgr *bufmgr);
int drm_intel_gem_bo_wait(drm_intel_bo *bo, int64_t timeout_ns);

drm_intel_context *drm_intel_gem_context_create(drm_intel_bufmgr *bufmgr);
int drm_intel_gem_context_get_id(drm_intel_context *ctx,
                                 uint32_t *ctx_id);
void drm_intel_gem_context_destroy(drm_intel_context *ctx);
int drm_intel_gem_bo_context_exec(drm_intel_bo *bo, drm_intel_context *ctx,
				  int used, unsigned int flags);
int drm_intel_gem_bo_fence_exec(drm_intel_bo *bo,
				drm_intel_context *ctx,
				int used,
				int in_fence,
				int *out_fence,
				unsigned int flags);

int drm_intel_bo_gem_export_to_prime(drm_intel_bo *bo, int *prime_fd);
drm_intel_bo *drm_intel_bo_gem_create_from_prime(drm_intel_bufmgr *bufmgr,
						int prime_fd, int size);

/* drm_intel_bufmgr_fake.c */
drm_intel_bufmgr *drm_intel_bufmgr_fake_init(int fd,
					     unsigned long low_offset,
					     void *low_virtual,
					     unsigned long size,
					     volatile unsigned int
					     *last_dispatch);
void drm_intel_bufmgr_fake_set_last_dispatch(drm_intel_bufmgr *bufmgr,
					     volatile unsigned int
					     *last_dispatch);
void drm_intel_bufmgr_fake_set_exec_callback(drm_intel_bufmgr *bufmgr,
					     int (*exec) (drm_intel_bo *bo,
							  unsigned int used,
							  void *priv),
					     void *priv);
void drm_intel_bufmgr_fake_set_fence_callback(drm_intel_bufmgr *bufmgr,
					      unsigned int (*emit) (void *priv),
					      void (*wait) (unsigned int fence,
							    void *priv),
					      void *priv);
drm_intel_bo *drm_intel_bo_fake_alloc_static(drm_intel_bufmgr *bufmgr,
					     const char *name,
					     unsigned long offset,
					     unsigned long size, void *virt);
void drm_intel_bo_fake_disable_backing_store(drm_intel_bo *bo,
					     void (*invalidate_cb) (drm_intel_bo
								    * bo,
								    void *ptr),
					     void *ptr);

void drm_intel_bufmgr_fake_contended_lock_take(drm_intel_bufmgr *bufmgr);
void drm_intel_bufmgr_fake_evict_all(drm_intel_bufmgr *bufmgr);

struct drm_intel_decode *drm_intel_decode_context_alloc(uint32_t devid);
void drm_intel_decode_context_free(struct drm_intel_decode *ctx);
void drm_intel_decode_set_batch_pointer(struct drm_intel_decode *ctx,
					void *data, uint32_t hw_offset,
					int count);
void drm_intel_decode_set_dump_past_end(struct drm_intel_decode *ctx,
					int dump_past_end);
void drm_intel_decode_set_head_tail(struct drm_intel_decode *ctx,
				    uint32_t head, uint32_t tail);
void drm_intel_decode_set_output_file(struct drm_intel_decode *ctx, FILE *out);
void drm_intel_decode(struct drm_intel_decode *ctx);

int drm_intel_reg_read(drm_intel_bufmgr *bufmgr,
		       uint32_t offset,
		       uint64_t *result);

int drm_intel_get_reset_stats(drm_intel_context *ctx,
			      uint32_t *reset_count,
			      uint32_t *active,
			      uint32_t *pending);

int drm_intel_get_subslice_total(int fd, unsigned int *subslice_total);
int drm_intel_get_eu_total(int fd, unsigned int *eu_total);

int drm_intel_get_pooled_eu(int fd);
int drm_intel_get_min_eu_in_pool(int fd);

/** @{ Compatibility defines to keep old code building despite the symbol rename
 * from dri_* to drm_intel_*
 */
#define dri_bo drm_intel_bo
#define dri_bufmgr drm_intel_bufmgr
#define dri_bo_alloc drm_intel_bo_alloc
#define dri_bo_reference drm_intel_bo_reference
#define dri_bo_unreference drm_intel_bo_unreference
#define dri_bo_map drm_intel_bo_map
#define dri_bo_unmap drm_intel_bo_unmap
#define dri_bo_subdata drm_intel_bo_subdata
#define dri_bo_get_subdata drm_intel_bo_get_subdata
#define dri_bo_wait_rendering drm_intel_bo_wait_rendering
#define dri_bufmgr_set_debug drm_intel_bufmgr_set_debug
#define dri_bufmgr_destroy drm_intel_bufmgr_destroy
#define dri_bo_exec drm_intel_bo_exec
#define dri_bufmgr_check_aperture_space drm_intel_bufmgr_check_aperture_space
#define dri_bo_emit_reloc(reloc_bo, read, write, target_offset,		\
			  reloc_offset, target_bo)			\
	drm_intel_bo_emit_reloc(reloc_bo, reloc_offset,			\
				target_bo, target_offset,		\
				read, write);
#define dri_bo_pin drm_intel_bo_pin
#define dri_bo_unpin drm_intel_bo_unpin
#define dri_bo_get_tiling drm_intel_bo_get_tiling
#define dri_bo_set_tiling(bo, mode) drm_intel_bo_set_tiling(bo, mode, 0)
#define dri_bo_flink drm_intel_bo_flink
#define intel_bufmgr_gem_init drm_intel_bufmgr_gem_init
#define intel_bo_gem_create_from_name drm_intel_bo_gem_create_from_name
#define intel_bufmgr_gem_enable_reuse drm_intel_bufmgr_gem_enable_reuse
#define intel_bufmgr_fake_init drm_intel_bufmgr_fake_init
#define intel_bufmgr_fake_set_last_dispatch drm_intel_bufmgr_fake_set_last_dispatch
#define intel_bufmgr_fake_set_exec_callback drm_intel_bufmgr_fake_set_exec_callback
#define intel_bufmgr_fake_set_fence_callback drm_intel_bufmgr_fake_set_fence_callback
#define intel_bo_fake_alloc_static drm_intel_bo_fake_alloc_static
#define intel_bo_fake_disable_backing_store drm_intel_bo_fake_disable_backing_store
#define intel_bufmgr_fake_contended_lock_take drm_intel_bufmgr_fake_contended_lock_take
#define intel_bufmgr_fake_evict_all drm_intel_bufmgr_fake_evict_all

/** @{ */

#if defined(__cplusplus)
}
#endif

#endif /* INTEL_BUFMGR_H */