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/**************************************************************************

 *

 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA

 * All Rights Reserved.

 *

 * 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL

 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.

 *

 **************************************************************************/

#ifndef _VMWGFX_DRV_H_

#define _VMWGFX_DRV_H_

#include "vmwgfx_reg.h"

#include 

#include 

#include 

//#include 

#include 

#include 

//#include 

#include 

//#include 

#include "vmwgfx_fence.h"

#define VMWGFX_DRIVER_DATE "20120209"

#define VMWGFX_DRIVER_MAJOR 2

#define VMWGFX_DRIVER_MINOR 4

#define VMWGFX_DRIVER_PATCHLEVEL 0

#define VMWGFX_FILE_PAGE_OFFSET 0x00100000

#define VMWGFX_FIFO_STATIC_SIZE (1024*1024)

#define VMWGFX_MAX_RELOCATIONS 2048

#define VMWGFX_MAX_VALIDATIONS 2048

#define VMWGFX_MAX_DISPLAYS 16

#define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768

#define VMW_PL_GMR TTM_PL_PRIV0

#define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0

#define VMW_RES_CONTEXT ttm_driver_type0

#define VMW_RES_SURFACE ttm_driver_type1

#define VMW_RES_STREAM ttm_driver_type2

#define VMW_RES_FENCE ttm_driver_type3

#define ioread32(addr)          readl(addr)

static inline void outl(u32 v, u16 port)

{

    asm volatile("outl %0,%1" : : "a" (v), "dN" (port));

}

static inline u32 inl(u16 port)

{

    u32 v;

    asm volatile("inl %1,%0" : "=a" (v) : "dN" (port));

    return v;

}

struct ttm_lock{};

struct ww_acquire_ctx{};

struct vmw_fpriv {

//   struct drm_master *locked_master;

   struct ttm_object_file *tfile;

   struct list_head fence_events;

};

struct vmw_dma_buffer {

   struct ttm_buffer_object base;

   struct list_head res_list;

};

/**

 * struct vmw_validate_buffer - Carries validation info about buffers.

 *

 * @base: Validation info for TTM.

 * @hash: Hash entry for quick lookup of the TTM buffer object.

 *

 * This structure contains also driver private validation info

 * on top of the info needed by TTM.

 */

struct vmw_validate_buffer {

   struct ttm_validate_buffer base;

   struct drm_hash_item hash;

};

struct vmw_res_func;

struct vmw_resource {

	struct kref kref;

	struct vmw_private *dev_priv;

	int id;

	bool avail;

	unsigned long backup_size;

	bool res_dirty; /* Protected by backup buffer reserved */

	bool backup_dirty; /* Protected by backup buffer reserved */

    struct vmw_dma_buffer *backup;

	unsigned long backup_offset;

	const struct vmw_res_func *func;

	struct list_head lru_head; /* Protected by the resource lock */

	struct list_head mob_head; /* Protected by @backup reserved */

	void (*res_free) (struct vmw_resource *res);

	void (*hw_destroy) (struct vmw_resource *res);

};

enum vmw_res_type {

	vmw_res_context,

	vmw_res_surface,

	vmw_res_stream,

	vmw_res_max

};

struct vmw_cursor_snooper {

	struct drm_crtc *crtc;

	size_t age;

	uint32_t *image;

};

struct vmw_framebuffer;

struct vmw_surface_offset;

struct vmw_surface {

    struct vmw_resource res;

	uint32_t flags;

	uint32_t format;

	uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];

	struct drm_vmw_size base_size;

	struct drm_vmw_size *sizes;

	uint32_t num_sizes;

	bool scanout;

	/* TODO so far just a extra pointer */

	struct vmw_cursor_snooper snooper;

	struct vmw_surface_offset *offsets;

	SVGA3dTextureFilter autogen_filter;

	uint32_t multisample_count;

};

struct vmw_marker_queue {

	struct list_head head;

	struct timespec lag;

	struct timespec lag_time;

	spinlock_t lock;

};

struct vmw_fifo_state {

	unsigned long reserved_size;

	__le32 *dynamic_buffer;

	__le32 *static_buffer;

	unsigned long static_buffer_size;

	bool using_bounce_buffer;

	uint32_t capabilities;

	struct mutex fifo_mutex;

	struct rw_semaphore rwsem;

	struct vmw_marker_queue marker_queue;

};

struct vmw_relocation {

	SVGAGuestPtr *location;

	uint32_t index;

};

/**

 * struct vmw_res_cache_entry - resource information cache entry

 *

 * @valid: Whether the entry is valid, which also implies that the execbuf

 * code holds a reference to the resource, and it's placed on the

 * validation list.

 * @handle: User-space handle of a resource.

 * @res: Non-ref-counted pointer to the resource.

 *

 * Used to avoid frequent repeated user-space handle lookups of the

 * same resource.

 */

struct vmw_res_cache_entry {

	bool valid;

	uint32_t handle;

	struct vmw_resource *res;

	struct vmw_resource_val_node *node;

};

struct vmw_sw_context{

	struct drm_open_hash res_ht;

	bool res_ht_initialized;

	bool kernel; /**< is the called made from the kernel */

	struct ttm_object_file *tfile;

	struct list_head validate_nodes;

	struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];

	uint32_t cur_reloc;

    struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];

	uint32_t cur_val_buf;

	uint32_t *cmd_bounce;

	uint32_t cmd_bounce_size;

	struct list_head resource_list;

	uint32_t fence_flags;

	struct ttm_buffer_object *cur_query_bo;

	struct list_head res_relocations;

	uint32_t *buf_start;

	struct vmw_res_cache_entry res_cache[vmw_res_max];

	struct vmw_resource *last_query_ctx;

	bool needs_post_query_barrier;

	struct vmw_resource *error_resource;

};

struct vmw_legacy_display;

struct vmw_overlay;

struct vmw_master {

    struct ttm_lock lock;

	struct mutex fb_surf_mutex;

	struct list_head fb_surf;

};

struct vmw_vga_topology_state {

	uint32_t width;

	uint32_t height;

	uint32_t primary;

	uint32_t pos_x;

	uint32_t pos_y;

};

struct vmw_private {

    struct ttm_bo_device bdev;

    struct ttm_bo_global_ref bo_global_ref;

    struct drm_global_reference mem_global_ref;

	struct vmw_fifo_state fifo;

	struct drm_device *dev;

	unsigned long vmw_chipset;

	unsigned int io_start;

	uint32_t vram_start;

	uint32_t vram_size;

	uint32_t mmio_start;

	uint32_t mmio_size;

	uint32_t fb_max_width;

	uint32_t fb_max_height;

	uint32_t initial_width;

	uint32_t initial_height;

	__le32 __iomem *mmio_virt;

	int mmio_mtrr;

	uint32_t capabilities;

	uint32_t max_gmr_descriptors;

	uint32_t max_gmr_ids;

	uint32_t max_gmr_pages;

	uint32_t memory_size;

	bool has_gmr;

	struct mutex hw_mutex;

	/*

	 * VGA registers.

	 */

	struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];

	uint32_t vga_width;

	uint32_t vga_height;

	uint32_t vga_bpp;

	uint32_t vga_bpl;

	uint32_t vga_pitchlock;

	uint32_t num_displays;

	/*

	 * Framebuffer info.

	 */

	void *fb_info;

	struct vmw_legacy_display *ldu_priv;

	struct vmw_screen_object_display *sou_priv;

	struct vmw_overlay *overlay_priv;

	/*

	 * Context and surface management.

	 */

	rwlock_t resource_lock;

	struct idr res_idr[vmw_res_max];

	/*

	 * Block lastclose from racing with firstopen.

	 */

	struct mutex init_mutex;

	/*

	 * A resource manager for kernel-only surfaces and

	 * contexts.

	 */

	struct ttm_object_device *tdev;

	/*

	 * Fencing and IRQs.

	 */

	atomic_t marker_seq;

	wait_queue_head_t fence_queue;

	wait_queue_head_t fifo_queue;

	int fence_queue_waiters; /* Protected by hw_mutex */

	int goal_queue_waiters; /* Protected by hw_mutex */

	atomic_t fifo_queue_waiters;

	uint32_t last_read_seqno;

	spinlock_t irq_lock;

	struct vmw_fence_manager *fman;

	uint32_t irq_mask;

	/*

	 * Device state

	 */

	uint32_t traces_state;

	uint32_t enable_state;

	uint32_t config_done_state;

	/**

	 * Execbuf

	 */

	/**

	 * Protected by the cmdbuf mutex.

	 */

	struct vmw_sw_context ctx;

	struct mutex cmdbuf_mutex;

	/**

	 * Operating mode.

	 */

	bool stealth;

	bool enable_fb;

	/**

	 * Master management.

	 */

//   struct vmw_master *active_master;

//   struct vmw_master fbdev_master;

//   struct notifier_block pm_nb;

	bool suspended;

	struct mutex release_mutex;

	uint32_t num_3d_resources;

	/*

	 * Query processing. These members

	 * are protected by the cmdbuf mutex.

	 */

    struct ttm_buffer_object *dummy_query_bo;

    struct ttm_buffer_object *pinned_bo;

	uint32_t query_cid;

	uint32_t query_cid_valid;

	bool dummy_query_bo_pinned;

	/*

	 * Surface swapping. The "surface_lru" list is protected by the

	 * resource lock in order to be able to destroy a surface and take

	 * it off the lru atomically. "used_memory_size" is currently

	 * protected by the cmdbuf mutex for simplicity.

	 */

	struct list_head res_lru[vmw_res_max];

	uint32_t used_memory_size;

};

static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)

{

	return container_of(res, struct vmw_surface, res);

}

static inline struct vmw_private *vmw_priv(struct drm_device *dev)

{

	return (struct vmw_private *)dev->dev_private;

}

static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)

{

	return (struct vmw_fpriv *)file_priv->driver_priv;

}

static inline struct vmw_master *vmw_master(struct drm_master *master)

{

	return (struct vmw_master *) master->driver_priv;

}

static inline void vmw_write(struct vmw_private *dev_priv,

			     unsigned int offset, uint32_t value)

{

	outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);

	outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);

}

static inline uint32_t vmw_read(struct vmw_private *dev_priv,

				unsigned int offset)

{

	uint32_t val;

	outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);

	val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);

	return val;

}

int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);

void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);

/**

 * GMR utilities - vmwgfx_gmr.c

 */

extern int vmw_gmr_bind(struct vmw_private *dev_priv,

			struct page *pages[],

			unsigned long num_pages,

			int gmr_id);

extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);

/**

 * Resource utilities - vmwgfx_resource.c

 */

struct vmw_user_resource_conv;

extern const struct vmw_user_resource_conv *user_surface_converter;

extern const struct vmw_user_resource_conv *user_context_converter;

extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);

extern void vmw_resource_unreference(struct vmw_resource **p_res);

extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);

extern int vmw_resource_validate(struct vmw_resource *res);

extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup);

extern bool vmw_resource_needs_backup(const struct vmw_resource *res);

extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,

				     struct drm_file *file_priv);

extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,

				    struct drm_file *file_priv);

extern int vmw_context_check(struct vmw_private *dev_priv,

			     struct ttm_object_file *tfile,

			     int id,

			     struct vmw_resource **p_res);

extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,

				  struct ttm_object_file *tfile,

				  uint32_t handle,

				  struct vmw_surface **out_surf,

				  struct vmw_dma_buffer **out_buf);

extern int vmw_user_resource_lookup_handle(

	struct vmw_private *dev_priv,

	struct ttm_object_file *tfile,

	uint32_t handle,

	const struct vmw_user_resource_conv *converter,

	struct vmw_resource **p_res);

extern void vmw_surface_res_free(struct vmw_resource *res);

extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,

				     struct drm_file *file_priv);

extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,

				    struct drm_file *file_priv);

extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,

				       struct drm_file *file_priv);

extern int vmw_surface_check(struct vmw_private *dev_priv,

			     struct ttm_object_file *tfile,

			     uint32_t handle, int *id);

extern int vmw_surface_validate(struct vmw_private *dev_priv,

				struct vmw_surface *srf);

extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);

extern int vmw_dmabuf_init(struct vmw_private *dev_priv,

			   struct vmw_dma_buffer *vmw_bo,

			   size_t size, struct ttm_placement *placement,

			   bool interuptable,

			   void (*bo_free) (struct ttm_buffer_object *bo));

extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,

				  struct ttm_object_file *tfile);

extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,

				  struct drm_file *file_priv);

extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,

				  struct drm_file *file_priv);

extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,

					 uint32_t cur_validate_node);

extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);

extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,

				  uint32_t id, struct vmw_dma_buffer **out);

extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,

				  struct drm_file *file_priv);

extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,

				  struct drm_file *file_priv);

extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,

				  struct ttm_object_file *tfile,

				  uint32_t *inout_id,

				  struct vmw_resource **out);

extern void vmw_resource_unreserve(struct vmw_resource *res,

				   struct vmw_dma_buffer *new_backup,

				   unsigned long new_backup_offset);

extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,

				     struct ttm_mem_reg *mem);

extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,

				struct vmw_fence_obj *fence);

extern void vmw_resource_evict_all(struct vmw_private *dev_priv);

/**

 * DMA buffer helper routines - vmwgfx_dmabuf.c

 */

extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,

				   struct vmw_dma_buffer *bo,

				   struct ttm_placement *placement,

				   bool interruptible);

extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,

			      struct vmw_dma_buffer *buf,

			      bool pin, bool interruptible);

extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,

				     struct vmw_dma_buffer *buf,

				     bool pin, bool interruptible);

extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,

				       struct vmw_dma_buffer *bo,

				       bool pin, bool interruptible);

extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,

			    struct vmw_dma_buffer *bo,

			    bool interruptible);

extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,

				 SVGAGuestPtr *ptr);

extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);

/**

 * Misc Ioctl functionality - vmwgfx_ioctl.c

 */

extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,

			      struct drm_file *file_priv);

extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,

				struct drm_file *file_priv);

extern int vmw_present_ioctl(struct drm_device *dev, void *data,

			     struct drm_file *file_priv);

extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,

				      struct drm_file *file_priv);

//extern unsigned int vmw_fops_poll(struct file *filp,

//                 struct poll_table_struct *wait);

extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,

			     size_t count, loff_t *offset);

/**

 * Fifo utilities - vmwgfx_fifo.c

 */

extern int vmw_fifo_init(struct vmw_private *dev_priv,

			 struct vmw_fifo_state *fifo);

extern void vmw_fifo_release(struct vmw_private *dev_priv,

			     struct vmw_fifo_state *fifo);

extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);

extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);

extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,

			       uint32_t *seqno);

extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);

extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);

extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);

extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,

				     uint32_t cid);

/**

 * TTM glue - vmwgfx_ttm_glue.c

 */

extern int vmw_ttm_global_init(struct vmw_private *dev_priv);

extern void vmw_ttm_global_release(struct vmw_private *dev_priv);

extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);

/**

 * TTM buffer object driver - vmwgfx_buffer.c

 */

extern struct ttm_placement vmw_vram_placement;

extern struct ttm_placement vmw_vram_ne_placement;

extern struct ttm_placement vmw_vram_sys_placement;

extern struct ttm_placement vmw_vram_gmr_placement;

extern struct ttm_placement vmw_vram_gmr_ne_placement;

extern struct ttm_placement vmw_sys_placement;

extern struct ttm_placement vmw_evictable_placement;

extern struct ttm_placement vmw_srf_placement;

extern struct ttm_bo_driver vmw_bo_driver;

extern int vmw_dma_quiescent(struct drm_device *dev);

/**

 * Command submission - vmwgfx_execbuf.c

 */

extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,

			     struct drm_file *file_priv);

extern int vmw_execbuf_process(struct drm_file *file_priv,

			       struct vmw_private *dev_priv,

			       void __user *user_commands,

			       void *kernel_commands,

			       uint32_t command_size,

			       uint64_t throttle_us,

			       struct drm_vmw_fence_rep __user

			       *user_fence_rep,

			       struct vmw_fence_obj **out_fence);

extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,

					    struct vmw_fence_obj *fence);

extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);

extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,

				      struct vmw_private *dev_priv,

				      struct vmw_fence_obj **p_fence,

				      uint32_t *p_handle);

extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,

					struct vmw_fpriv *vmw_fp,

					int ret,

					struct drm_vmw_fence_rep __user

					*user_fence_rep,

					struct vmw_fence_obj *fence,

					uint32_t fence_handle);

/**

 * IRQs and wating - vmwgfx_irq.c

 */

extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);

extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,

			     uint32_t seqno, bool interruptible,

			     unsigned long timeout);

extern void vmw_irq_preinstall(struct drm_device *dev);

extern int vmw_irq_postinstall(struct drm_device *dev);

extern void vmw_irq_uninstall(struct drm_device *dev);

extern bool vmw_seqno_passed(struct vmw_private *dev_priv,

				uint32_t seqno);

extern int vmw_fallback_wait(struct vmw_private *dev_priv,

			     bool lazy,

			     bool fifo_idle,

			     uint32_t seqno,

			     bool interruptible,

			     unsigned long timeout);

extern void vmw_update_seqno(struct vmw_private *dev_priv,

				struct vmw_fifo_state *fifo_state);

extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);

extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);

extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);

extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);

/**

 * Rudimentary fence-like objects currently used only for throttling -

 * vmwgfx_marker.c

 */

extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);

extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);

extern int vmw_marker_push(struct vmw_marker_queue *queue,

			  uint32_t seqno);

extern int vmw_marker_pull(struct vmw_marker_queue *queue,

			  uint32_t signaled_seqno);

extern int vmw_wait_lag(struct vmw_private *dev_priv,

			struct vmw_marker_queue *queue, uint32_t us);

/**

 * Kernel framebuffer - vmwgfx_fb.c

 */

int vmw_fb_init(struct vmw_private *vmw_priv);

int vmw_fb_close(struct vmw_private *dev_priv);

int vmw_fb_off(struct vmw_private *vmw_priv);

int vmw_fb_on(struct vmw_private *vmw_priv);

/**

 * Kernel modesetting - vmwgfx_kms.c

 */

int vmw_kms_init(struct vmw_private *dev_priv);

int vmw_kms_close(struct vmw_private *dev_priv);

int vmw_kms_save_vga(struct vmw_private *vmw_priv);

int vmw_kms_restore_vga(struct vmw_private *vmw_priv);

int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,

				struct drm_file *file_priv);

void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);

void vmw_kms_cursor_snoop(struct vmw_surface *srf,

			  struct ttm_object_file *tfile,

			  struct ttm_buffer_object *bo,

			  SVGA3dCmdHeader *header);

int vmw_kms_write_svga(struct vmw_private *vmw_priv,

		       unsigned width, unsigned height, unsigned pitch,

		       unsigned bpp, unsigned depth);

void vmw_kms_idle_workqueues(struct vmw_master *vmaster);

bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,

				uint32_t pitch,

				uint32_t height);

u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);

int vmw_enable_vblank(struct drm_device *dev, int crtc);

void vmw_disable_vblank(struct drm_device *dev, int crtc);

int vmw_kms_present(struct vmw_private *dev_priv,

		    struct drm_file *file_priv,

		    struct vmw_framebuffer *vfb,

		    struct vmw_surface *surface,

		    uint32_t sid, int32_t destX, int32_t destY,

		    struct drm_vmw_rect *clips,

		    uint32_t num_clips);

int vmw_kms_readback(struct vmw_private *dev_priv,

		     struct drm_file *file_priv,

		     struct vmw_framebuffer *vfb,

		     struct drm_vmw_fence_rep __user *user_fence_rep,

		     struct drm_vmw_rect *clips,

		     uint32_t num_clips);

int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,

				struct drm_file *file_priv);

int vmw_dumb_create(struct drm_file *file_priv,

		    struct drm_device *dev,

		    struct drm_mode_create_dumb *args);

int vmw_dumb_map_offset(struct drm_file *file_priv,

			struct drm_device *dev, uint32_t handle,

			uint64_t *offset);

int vmw_dumb_destroy(struct drm_file *file_priv,

		     struct drm_device *dev,

		     uint32_t handle);

/**

 * Overlay control - vmwgfx_overlay.c

 */

int vmw_overlay_init(struct vmw_private *dev_priv);

int vmw_overlay_close(struct vmw_private *dev_priv);

int vmw_overlay_ioctl(struct drm_device *dev, void *data,

		      struct drm_file *file_priv);

int vmw_overlay_stop_all(struct vmw_private *dev_priv);

int vmw_overlay_resume_all(struct vmw_private *dev_priv);

int vmw_overlay_pause_all(struct vmw_private *dev_priv);

int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);

int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);

int vmw_overlay_num_overlays(struct vmw_private *dev_priv);

int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);

/**

 * GMR Id manager

 */

extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;

/**

 * Inline helper functions

 */

static inline void vmw_surface_unreference(struct vmw_surface **srf)

{

	struct vmw_surface *tmp_srf = *srf;

	struct vmw_resource *res = &tmp_srf->res;

	*srf = NULL;

	vmw_resource_unreference(&res);

}

static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)

{

	(void) vmw_resource_reference(&srf->res);

	return srf;

}

static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)

{

	struct vmw_dma_buffer *tmp_buf = *buf;

	*buf = NULL;

	if (tmp_buf != NULL) {

		struct ttm_buffer_object *bo = &tmp_buf->base;

		ttm_bo_unref(&bo);

	}

}

static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)

{

	if (ttm_bo_reference(&buf->base))

		return buf;

	return NULL;

}

static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)

{

	return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;

}

extern struct drm_device *main_device;

extern struct drm_file   *drm_file_handlers[256];

typedef struct

{

  int width;

  int height;

  int bpp;

  int freq;

}videomode_t;

#endif