| 1 | /** @file $Id: vbox_drv.h 48380 2013-09-09 08:29:33Z vboxsync $
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| 2 | *
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| 3 | * VirtualBox Additions Linux kernel video driver
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2013 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | * --------------------------------------------------------------------
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| 17 | *
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| 18 | * This code is based on
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| 19 | * ast_drv.h
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| 20 | * with the following copyright and permission notice:
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| 21 | *
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| 22 | * Copyright 2012 Red Hat Inc.
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| 23 | *
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| 24 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 25 | * copy of this software and associated documentation files (the
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| 26 | * "Software"), to deal in the Software without restriction, including
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| 27 | * without limitation the rights to use, copy, modify, merge, publish,
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| 28 | * distribute, sub license, and/or sell copies of the Software, and to
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| 29 | * permit persons to whom the Software is furnished to do so, subject to
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| 30 | * the following conditions:
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| 31 | *
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| 32 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 33 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 34 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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| 35 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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| 36 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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| 37 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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| 38 | * USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 39 | *
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| 40 | * The above copyright notice and this permission notice (including the
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| 41 | * next paragraph) shall be included in all copies or substantial portions
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| 42 | * of the Software.
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| 43 | *
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| 44 | */
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| 45 | /*
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| 46 | * Authors: Dave Airlie <airlied@redhat.com>
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| 47 | */
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| 48 | #ifndef __VBOX_DRV_H__
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| 49 | #define __VBOX_DRV_H__
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| 50 |
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| 51 | #include <VBox/VBoxVideoGuest.h>
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| 52 |
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| 53 | #include "the-linux-kernel.h"
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| 54 |
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| 55 | #include <drm/drmP.h>
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| 56 | #include <drm/drm_fb_helper.h>
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| 57 |
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| 58 | #include <drm/ttm/ttm_bo_api.h>
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| 59 | #include <drm/ttm/ttm_bo_driver.h>
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| 60 | #include <drm/ttm/ttm_placement.h>
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| 61 | #include <drm/ttm/ttm_memory.h>
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| 62 | #include <drm/ttm/ttm_module.h>
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| 63 |
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| 64 | /* #include "vboxvideo.h" */
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| 65 |
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| 66 | #include "product-generated.h"
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| 67 |
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| 68 | #define DRIVER_AUTHOR VBOX_VENDOR
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| 69 |
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| 70 | #define DRIVER_NAME "vboxvideo"
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| 71 | #define DRIVER_DESC VBOX_PRODUCT " Graphics Card"
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| 72 | #define DRIVER_DATE "20130823"
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| 73 |
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| 74 | #define DRIVER_MAJOR 1
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| 75 | #define DRIVER_MINOR 0
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| 76 | #define DRIVER_PATCHLEVEL 0
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| 77 |
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| 78 | struct vbox_fbdev;
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| 79 |
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| 80 | struct vbox_private {
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| 81 | struct drm_device *dev;
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| 82 |
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| 83 | void __iomem *vram;
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| 84 | HGSMIGUESTCOMMANDCONTEXT Ctx;
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| 85 | struct VBVABUFFERCONTEXT *paVBVACtx;
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| 86 | bool fAnyX;
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| 87 | unsigned cCrtcs;
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| 88 | bool vga2_clone;
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| 89 | uint32_t vram_size;
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| 90 |
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| 91 | struct vbox_fbdev *fbdev;
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| 92 |
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| 93 | int fb_mtrr;
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| 94 |
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| 95 | struct {
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| 96 | struct drm_global_reference mem_global_ref;
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| 97 | struct ttm_bo_global_ref bo_global_ref;
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| 98 | struct ttm_bo_device bdev;
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| 99 | } ttm;
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| 100 |
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| 101 | struct drm_gem_object *cursor_cache;
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| 102 | uint64_t cursor_cache_gpu_addr;
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| 103 | struct ttm_bo_kmap_obj cache_kmap;
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| 104 | int next_cursor;
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| 105 | };
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| 106 |
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| 107 | int vbox_driver_load(struct drm_device *dev, unsigned long flags);
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| 108 | int vbox_driver_unload(struct drm_device *dev);
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| 109 |
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| 110 | struct vbox_gem_object;
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| 111 |
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| 112 | struct vbox_connector {
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| 113 | struct drm_connector base;
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| 114 | };
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| 115 |
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| 116 | struct vbox_crtc {
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| 117 | struct drm_crtc base;
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| 118 | bool fBlanked;
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| 119 | unsigned crtc_id;
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| 120 | struct drm_gem_object *cursor_bo;
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| 121 | uint64_t cursor_addr;
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| 122 | int cursor_width, cursor_height;
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| 123 | u8 offset_x, offset_y;
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| 124 | };
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| 125 |
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| 126 | struct vbox_encoder {
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| 127 | struct drm_encoder base;
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| 128 | };
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| 129 |
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| 130 | struct vbox_framebuffer {
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| 131 | struct drm_framebuffer base;
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| 132 | struct drm_gem_object *obj;
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| 133 | uint64_t offBase;
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| 134 | };
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| 135 |
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| 136 | struct vbox_fbdev {
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| 137 | struct drm_fb_helper helper;
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| 138 | struct vbox_framebuffer afb;
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| 139 | struct list_head fbdev_list;
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| 140 | void *sysram;
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| 141 | int size;
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| 142 | struct ttm_bo_kmap_obj mapping;
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| 143 | int x1, y1, x2, y2; /* dirty rect */
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| 144 | spinlock_t dirty_lock;
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| 145 | };
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| 146 |
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| 147 | #define to_vbox_crtc(x) container_of(x, struct vbox_crtc, base)
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| 148 | #define to_vbox_connector(x) container_of(x, struct vbox_connector, base)
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| 149 | #define to_vbox_encoder(x) container_of(x, struct vbox_encoder, base)
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| 150 | #define to_vbox_framebuffer(x) container_of(x, struct vbox_framebuffer, base)
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| 151 |
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| 152 | extern int vbox_mode_init(struct drm_device *dev);
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| 153 | extern void vbox_mode_fini(struct drm_device *dev);
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| 154 |
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| 155 | #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
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| 156 | # define DRM_MODE_FB_CMD drm_mode_fb_cmd
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| 157 | #else
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| 158 | # define DRM_MODE_FB_CMD drm_mode_fb_cmd2
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| 159 | #endif
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| 160 |
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| 161 | int vbox_framebuffer_init(struct drm_device *dev,
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| 162 | struct vbox_framebuffer *vbox_fb,
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| 163 | struct DRM_MODE_FB_CMD *mode_cmd,
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| 164 | struct drm_gem_object *obj);
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| 165 |
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| 166 | int vbox_fbdev_init(struct drm_device *dev);
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| 167 | void vbox_fbdev_fini(struct drm_device *dev);
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| 168 | void vbox_fbdev_set_suspend(struct drm_device *dev, int state);
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| 169 |
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| 170 | struct vbox_bo {
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| 171 | struct ttm_buffer_object bo;
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| 172 | struct ttm_placement placement;
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| 173 | struct ttm_bo_kmap_obj kmap;
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| 174 | struct drm_gem_object gem;
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| 175 | u32 placements[3];
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| 176 | int pin_count;
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| 177 | };
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| 178 | #define gem_to_vbox_bo(gobj) container_of((gobj), struct vbox_bo, gem)
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| 179 |
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| 180 | static inline struct vbox_bo *
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| 181 | vbox_bo(struct ttm_buffer_object *bo)
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| 182 | {
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| 183 | return container_of(bo, struct vbox_bo, bo);
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| 184 | }
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| 185 |
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| 186 |
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| 187 | #define to_vbox_obj(x) container_of(x, struct vbox_gem_object, base)
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| 188 |
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| 189 | extern int vbox_dumb_create(struct drm_file *file,
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| 190 | struct drm_device *dev,
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| 191 | struct drm_mode_create_dumb *args);
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| 192 | extern int vbox_dumb_destroy(struct drm_file *file,
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| 193 | struct drm_device *dev,
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| 194 | uint32_t handle);
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| 195 |
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| 196 | extern int vbox_gem_init_object(struct drm_gem_object *obj);
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| 197 | extern void vbox_gem_free_object(struct drm_gem_object *obj);
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| 198 | extern int vbox_dumb_mmap_offset(struct drm_file *file,
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| 199 | struct drm_device *dev,
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| 200 | uint32_t handle,
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| 201 | uint64_t *offset);
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| 202 |
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| 203 | #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
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| 204 |
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| 205 | int vbox_mm_init(struct vbox_private *vbox);
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| 206 | void vbox_mm_fini(struct vbox_private *vbox);
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| 207 |
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| 208 | int vbox_bo_create(struct drm_device *dev, int size, int align,
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| 209 | uint32_t flags, struct vbox_bo **pvboxbo);
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| 210 |
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| 211 | int vbox_gem_create(struct drm_device *dev,
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| 212 | u32 size, bool iskernel,
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| 213 | struct drm_gem_object **obj);
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| 214 |
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| 215 | int vbox_bo_pin(struct vbox_bo *bo, u32 pl_flag, u64 *gpu_addr);
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| 216 | int vbox_bo_unpin(struct vbox_bo *bo);
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| 217 |
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| 218 | int vbox_bo_reserve(struct vbox_bo *bo, bool no_wait);
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| 219 | void vbox_bo_unreserve(struct vbox_bo *bo);
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| 220 | void vbox_ttm_placement(struct vbox_bo *bo, int domain);
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| 221 | int vbox_bo_push_sysram(struct vbox_bo *bo);
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| 222 | int vbox_mmap(struct file *filp, struct vm_area_struct *vma);
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| 223 |
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| 224 | /* vbox post */
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| 225 | void vbox_post_gpu(struct drm_device *dev);
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| 226 | #endif
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