path: root/drivers/gpu/drm/i915/i915_drv.h

/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
 */
/*
 *
 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
 * 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 TUNGSTEN GRAPHICS 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 _I915_DRV_H_
#define _I915_DRV_H_

#include "i915_reg.h"
#include "intel_bios.h"
#include <linux/io-mapping.h>

/* General customization:
 */

#define DRIVER_AUTHOR		"Tungsten Graphics, Inc."

#define DRIVER_NAME		"i915"
#define DRIVER_DESC		"Intel Graphics"
#define DRIVER_DATE		"20080730"

enum pipe {
	PIPE_A = 0,
	PIPE_B,
};

enum plane {
	PLANE_A = 0,
	PLANE_B,
};

#define I915_NUM_PIPE	2

/* Interface history:
 *
 * 1.1: Original.
 * 1.2: Add Power Management
 * 1.3: Add vblank support
 * 1.4: Fix cmdbuffer path, add heap destroy
 * 1.5: Add vblank pipe configuration
 * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
 *      - Support vertical blank on secondary display pipe
 */
#define DRIVER_MAJOR		1
#define DRIVER_MINOR		6
#define DRIVER_PATCHLEVEL	0

#define WATCH_COHERENCY	0
#define WATCH_BUF	0
#define WATCH_EXEC	0
#define WATCH_LRU	0
#define WATCH_RELOC	0
#define WATCH_INACTIVE	0
#define WATCH_PWRITE	0

#define I915_GEM_PHYS_CURSOR_0 1
#define I915_GEM_PHYS_CURSOR_1 2
#define I915_GEM_PHYS_OVERLAY_REGS 3
#define I915_MAX_PHYS_OBJECT (I915_GEM_PHYS_OVERLAY_REGS)

struct drm_i915_gem_phys_object {
	int id;
	struct page **page_list;
	drm_dma_handle_t *handle;
	struct drm_gem_object *cur_obj;
};

typedef struct _drm_i915_ring_buffer {
	unsigned long Size;
	u8 *virtual_start;
	int head;
	int tail;
	int space;
	drm_local_map_t map;
	struct drm_gem_object *ring_obj;
} drm_i915_ring_buffer_t;

struct mem_block {
	struct mem_block *next;
	struct mem_block *prev;
	int start;
	int size;
	struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */
};

struct opregion_header;
struct opregion_acpi;
struct opregion_swsci;
struct opregion_asle;

struct intel_opregion {
	struct opregion_header *header;
	struct opregion_acpi *acpi;
	struct opregion_swsci *swsci;
	struct opregion_asle *asle;
	int enabled;
};

struct drm_i915_master_private {
	drm_local_map_t *sarea;
	struct _drm_i915_sarea *sarea_priv;
};
#define I915_FENCE_REG_NONE -1

struct drm_i915_fence_reg {
	struct drm_gem_object *obj;
};

struct sdvo_device_mapping {
	u8 dvo_port;
	u8 slave_addr;
	u8 dvo_wiring;
	u8 initialized;
};

struct drm_i915_error_state {
	u32 eir;
	u32 pgtbl_er;
	u32 pipeastat;
	u32 pipebstat;
	u32 ipeir;
	u32 ipehr;
	u32 instdone;
	u32 acthd;
	u32 instpm;
	u32 instps;
	u32 instdone1;
	u32 seqno;
	u64 bbaddr;
	struct timeval time;
	struct drm_i915_error_object {
		int page_count;
		u32 gtt_offset;
		u32 *pages[0];
	} *ringbuffer, *batchbuffer[2];
	struct drm_i915_error_buffer {
		size_t size;
		u32 name;
		u32 seqno;
		u32 gtt_offset;
		u32 read_domains;
		u32 write_domain;
		u32 fence_reg;
		s32 pinned:2;
		u32 tiling:2;
		u32 dirty:1;
		u32 purgeable:1;
	} *active_bo;
	u32 active_bo_count;
};

struct drm_i915_display_funcs {
	void (*dpms)(struct drm_crtc *crtc, int mode);
	bool