/* $Id: vbox_drv.h 61596 2016-06-09 06:11:14Z vboxsync $ */ /** @file * VirtualBox Additions Linux kernel video driver */ /* * Copyright (C) 2013 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * -------------------------------------------------------------------- * * This code is based on * ast_drv.h * with the following copyright and permission notice: * * Copyright 2012 Red Hat Inc. * * 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 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. * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * */ /* * Authors: Dave Airlie */ #ifndef __VBOX_DRV_H__ #define __VBOX_DRV_H__ #define LOG_GROUP LOG_GROUP_DEV_VGA #include "the-linux-kernel.h" #include #include #include #include #include #include #include #include #include #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0) # include #endif /* #include "vboxvideo.h" */ #include "product-generated.h" #define DRIVER_AUTHOR VBOX_VENDOR #define DRIVER_NAME "vboxvideo" #define DRIVER_DESC VBOX_PRODUCT " Graphics Card" #define DRIVER_DATE "20130823" #define DRIVER_MAJOR 1 #define DRIVER_MINOR 0 #define DRIVER_PATCHLEVEL 0 #define VBOX_MAX_CURSOR_WIDTH 64 #define VBOX_MAX_CURSOR_HEIGHT 64 #define CURSOR_PIXEL_COUNT VBOX_MAX_CURSOR_WIDTH * VBOX_MAX_CURSOR_HEIGHT #define CURSOR_DATA_SIZE CURSOR_PIXEL_COUNT * 4 + CURSOR_PIXEL_COUNT / 8 struct vbox_fbdev; struct vbox_private { struct drm_device *dev; uint8_t __iomem *vram; HGSMIGUESTCOMMANDCONTEXT submit_info; struct VBVABUFFERCONTEXT *vbva_info; bool any_pitch; unsigned num_crtcs; bool vga2_clone; /** Amount of available VRAM, including space used for buffers. */ uint32_t full_vram_size; /** Amount of available VRAM, not including space used for buffers. */ uint32_t vram_size; /** Offset to the host flags in the VRAM. */ uint32_t host_flags_offset; /** Array of structures for receiving mode hints. */ VBVAMODEHINT *last_mode_hints; struct vbox_fbdev *fbdev; int fb_mtrr; struct { struct drm_global_reference mem_global_ref; struct ttm_bo_global_ref bo_global_ref; struct ttm_bo_device bdev; bool mm_initialised; } ttm; struct mutex hw_mutex; bool isr_installed; /** We decide whether or not user-space supports display hot-plug * depending on whether they react to a hot-plug event after the initial * mode query. */ bool initial_mode_queried; struct work_struct hotplug_work; uint32_t input_mapping_width; uint32_t input_mapping_height; uint32_t cursor_width; uint32_t cursor_height; uint32_t cursor_hot_x; uint32_t cursor_hot_y; size_t cursor_data_size; uint8_t cursor_data[CURSOR_DATA_SIZE]; }; #undef CURSOR_PIXEL_COUNT #undef CURSOR_DATA_SIZE int vbox_driver_load(struct drm_device *dev, unsigned long flags); int vbox_driver_unload(struct drm_device *dev); void vbox_driver_lastclose(struct drm_device *dev); struct vbox_gem_object; #ifndef VGA_PORT_HGSMI_HOST # define VGA_PORT_HGSMI_HOST 0x3b0 # define VGA_PORT_HGSMI_GUEST 0x3d0 #endif struct vbox_connector { struct drm_connector base; char name[32]; struct vbox_crtc *vbox_crtc; struct { uint16_t width; uint16_t height; bool disconnected; } mode_hint; }; struct vbox_crtc { struct drm_crtc base; bool blanked; bool disconnected; unsigned crtc_id; uint32_t fb_offset; bool cursor_enabled; }; struct vbox_encoder { struct drm_encoder base; }; struct vbox_framebuffer { struct drm_framebuffer base; struct drm_gem_object *obj; }; struct vbox_fbdev { struct drm_fb_helper helper; struct vbox_framebuffer afb; void *sysram; int size; struct ttm_bo_kmap_obj mapping; int x1, y1, x2, y2; /* dirty rect */ spinlock_t dirty_lock; }; #define to_vbox_crtc(x) container_of(x, struct vbox_crtc, base) #define to_vbox_connector(x) container_of(x, struct vbox_connector, base) #define to_vbox_encoder(x) container_of(x, struct vbox_encoder, base) #define to_vbox_framebuffer(x) container_of(x, struct vbox_framebuffer, base) extern int vbox_mode_init(struct drm_device *dev); extern void vbox_mode_fini(struct drm_device *dev); #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0) # define DRM_MODE_FB_CMD drm_mode_fb_cmd #else # define DRM_MODE_FB_CMD drm_mode_fb_cmd2 #endif #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 15, 0) # define CRTC_FB(crtc) (crtc)->fb #else # define CRTC_FB(crtc) (crtc)->primary->fb #endif void vbox_enable_accel(struct vbox_private *vbox); void vbox_disable_accel(struct vbox_private *vbox); void vbox_enable_caps(struct vbox_private *vbox); void vbox_framebuffer_dirty_rectangles(struct drm_framebuffer *fb, struct drm_clip_rect *rects, unsigned num_rects); int vbox_framebuffer_init(struct drm_device *dev, struct vbox_framebuffer *vbox_fb, #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0) const #endif struct DRM_MODE_FB_CMD *mode_cmd, struct drm_gem_object *obj); int vbox_fbdev_init(struct drm_device *dev); void vbox_fbdev_fini(struct drm_device *dev); void vbox_fbdev_set_suspend(struct drm_device *dev, int state); void vbox_fbdev_set_base(struct vbox_private *vbox, unsigned long gpu_addr); struct vbox_bo { struct ttm_buffer_object bo; struct ttm_placement placement; struct ttm_bo_kmap_obj kmap; struct drm_gem_object gem; #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0) u32 placements[3]; #else struct ttm_place placements[3]; #endif int pin_count; }; #define gem_to_vbox_bo(gobj) container_of((gobj), struct vbox_bo, gem) static inline struct vbox_bo * vbox_bo(struct ttm_buffer_object *bo) { return container_of(bo, struct vbox_bo, bo); } #define to_vbox_obj(x) container_of(x, struct vbox_gem_object, base) extern int vbox_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args); #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 12, 0) extern int vbox_dumb_destroy(struct drm_file *file, struct drm_device *dev, uint32_t handle); #endif extern void vbox_gem_free_object(struct drm_gem_object *obj); extern int vbox_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev, uint32_t handle, uint64_t *offset); #define DRM_FILE_PAGE_OFFSET (0x10000000ULL >> PAGE_SHIFT) int vbox_mm_init(struct vbox_private *vbox); void vbox_mm_fini(struct vbox_private *vbox); int vbox_bo_create(struct drm_device *dev, int size, int align, uint32_t flags, struct vbox_bo **pvboxbo); int vbox_gem_create(struct drm_device *dev, u32 size, bool iskernel, struct drm_gem_object **obj); int vbox_bo_pin(struct vbox_bo *bo, u32 pl_flag, u64 *gpu_addr); int vbox_bo_unpin(struct vbox_bo *bo); static inline int vbox_bo_reserve(struct vbox_bo *bo, bool no_wait) { int ret; #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0) ret = ttm_bo_reserve(&bo->bo, true, no_wait, NULL); #else ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0); #endif if (ret) { if (ret != -ERESTARTSYS && ret != -EBUSY) DRM_ERROR("reserve failed %p\n", bo); return ret; } return 0; } static inline void vbox_bo_unreserve(struct vbox_bo *bo) { ttm_bo_unreserve(&bo->bo); } void vbox_ttm_placement(struct vbox_bo *bo, int domain); int vbox_bo_push_sysram(struct vbox_bo *bo); int vbox_mmap(struct file *filp, struct vm_area_struct *vma); /* vbox_irq.c */ int vbox_irq_init(struct vbox_private *vbox); void vbox_irq_fini(struct vbox_private *vbox); void vbox_report_hotplug(struct vbox_private *vbox); irqreturn_t vbox_irq_handler(int irq, void *arg); #endif