blob: 4b9302703b362cc6fcac233a9b4345dbec84656d [file] [log] [blame]
/*
* Copyright (C) 2013-2017 Oracle Corporation
* This file is based on ast_drv.h
* 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 <airlied@redhat.com>
* Michael Thayer <michael.thayer@oracle.com,
* Hans de Goede <hdegoede@redhat.com>
*/
#ifndef __VBOX_DRV_H__
#define __VBOX_DRV_H__
#include <linux/genalloc.h>
#include <linux/io.h>
#include <linux/string.h>
#include <linux/version.h>
#include <drm/drmP.h>
#include <drm/drm_encoder.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem.h>
#include <drm/ttm/ttm_bo_api.h>
#include <drm/ttm/ttm_bo_driver.h>
#include <drm/ttm/ttm_placement.h>
#include <drm/ttm/ttm_memory.h>
#include <drm/ttm/ttm_module.h>
#include "vboxvideo_guest.h"
#include "vboxvideo_vbe.h"
#include "hgsmi_ch_setup.h"
#define DRIVER_NAME "vboxvideo"
#define DRIVER_DESC "Oracle VM VirtualBox 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)
#define VBOX_MAX_SCREENS 32
#define GUEST_HEAP_OFFSET(vbox) ((vbox)->full_vram_size - \
VBVA_ADAPTER_INFORMATION_SIZE)
#define GUEST_HEAP_SIZE VBVA_ADAPTER_INFORMATION_SIZE
#define GUEST_HEAP_USABLE_SIZE (VBVA_ADAPTER_INFORMATION_SIZE - \
sizeof(struct hgsmi_host_flags))
#define HOST_FLAGS_OFFSET GUEST_HEAP_USABLE_SIZE
struct vbox_fbdev;
struct vbox_private {
struct drm_device *dev;
u8 __iomem *guest_heap;
u8 __iomem *vbva_buffers;
struct gen_pool *guest_pool;
struct vbva_buf_ctx *vbva_info;
bool any_pitch;
u32 num_crtcs;
/** Amount of available VRAM, including space used for buffers. */
u32 full_vram_size;
/** Amount of available VRAM, not including space used for buffers. */
u32 available_vram_size;
/** Array of structures for receiving mode hints. */
struct vbva_modehint *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;
} ttm;
struct mutex hw_mutex; /* protects modeset and accel/vbva accesses */
/**
* 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;
u32 input_mapping_width;
u32 input_mapping_height;
/**
* Is user-space using an X.Org-style layout of one large frame-buffer
* encompassing all screen ones or is the fbdev console active?
*/
bool single_framebuffer;
u32 cursor_width;
u32 cursor_height;
u32 cursor_hot_x;
u32 cursor_hot_y;
size_t cursor_data_size;
u8 cursor_data[CURSOR_DATA_SIZE];
};
#undef CURSOR_PIXEL_COUNT
#undef CURSOR_DATA_SIZE
int vbox_driver_load(struct drm_device *dev, unsigned long flags);
void vbox_driver_unload(struct drm_device *dev);
void vbox_driver_lastclose(struct drm_device *dev);
struct vbox_gem_object;
struct vbox_connector {
struct drm_connector base;
char name[32];
struct vbox_crtc *vbox_crtc;
struct {
u16 width;
u16 height;
bool disconnected;
} mode_hint;
};
struct vbox_crtc {
struct drm_crtc base;
bool blanked;
bool disconnected;
unsigned int crtc_id;
u32 fb_offset;
bool cursor_enabled;
u16 x_hint;
u16 y_hint;
};
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;
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)
int vbox_mode_init(struct drm_device *dev);
void vbox_mode_fini(struct drm_device *dev);
#define DRM_MODE_FB_CMD drm_mode_fb_cmd2
#define CRTC_FB(crtc) ((crtc)->primary->fb)
void vbox_enable_accel(struct vbox_private *vbox);
void vbox_disable_accel(struct vbox_private *vbox);
void vbox_report_caps(struct vbox_private *vbox);
void vbox_framebuffer_dirty_rectangles(struct drm_framebuffer *fb,
struct drm_clip_rect *rects,
unsigned int num_rects);
int vbox_framebuffer_init(struct drm_device *dev,
struct vbox_framebuffer *vbox_fb,
const 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_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;
struct ttm_place placements[3];
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)
int vbox_dumb_create(struct drm_file *file,
struct drm_device *dev,
struct drm_mode_create_dumb *args);
void vbox_gem_free_object(struct drm_gem_object *obj);
int vbox_dumb_mmap_offset(struct drm_file *file,
struct drm_device *dev,
u32 handle, u64 *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,
u32 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;
ret = ttm_bo_reserve(&bo->bo, true, no_wait, NULL);
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_prime.c */
int vbox_gem_prime_pin(struct drm_gem_object *obj);
void vbox_gem_prime_unpin(struct drm_gem_object *obj);
struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj);
struct drm_gem_object *vbox_gem_prime_import_sg_table(
struct drm_device *dev, struct dma_buf_attachment *attach,
struct sg_table *table);
void *vbox_gem_prime_vmap(struct drm_gem_object *obj);
void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
int vbox_gem_prime_mmap(struct drm_gem_object *obj,
struct vm_area_struct *area);
/* 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);
/* vbox_hgsmi.c */
void *hgsmi_buffer_alloc(struct gen_pool *guest_pool, size_t size,
u8 channel, u16 channel_info);
void hgsmi_buffer_free(struct gen_pool *guest_pool, void *buf);
int hgsmi_buffer_submit(struct gen_pool *guest_pool, void *buf);
static inline void vbox_write_ioport(u16 index, u16 data)
{
outw(index, VBE_DISPI_IOPORT_INDEX);
outw(data, VBE_DISPI_IOPORT_DATA);
}
#endif