189 lines
5.5 KiB
C
189 lines
5.5 KiB
C
/* SPDX-License-Identifier: MIT */
|
|
/*
|
|
* Copyright (C) 2013-2017 Oracle Corporation
|
|
* This file is based on ast_drv.h
|
|
* Copyright 2012 Red Hat Inc.
|
|
* 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/irqreturn.h>
|
|
#include <linux/string.h>
|
|
|
|
#include <drm/drm_encoder.h>
|
|
#include <drm/drm_fb_helper.h>
|
|
#include <drm/drm_gem.h>
|
|
#include <drm/drm_gem_vram_helper.h>
|
|
|
|
#include <drm/drm_vram_mm_helper.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_framebuffer {
|
|
struct drm_framebuffer base;
|
|
struct drm_gem_object *obj;
|
|
};
|
|
|
|
struct vbox_private {
|
|
/* Must be first; or we must define our own release callback */
|
|
struct drm_device ddev;
|
|
struct drm_fb_helper fb_helper;
|
|
struct vbox_framebuffer afb;
|
|
|
|
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;
|
|
|
|
int fb_mtrr;
|
|
|
|
struct mutex hw_mutex; /* protects modeset and accel/vbva accesses */
|
|
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;
|
|
u8 cursor_data[CURSOR_DATA_SIZE];
|
|
};
|
|
|
|
#undef CURSOR_PIXEL_COUNT
|
|
#undef CURSOR_DATA_SIZE
|
|
|
|
struct vbox_connector {
|
|
struct drm_connector base;
|
|
char name[32];
|
|
struct vbox_crtc *vbox_crtc;
|
|
struct {
|
|
u32 width;
|
|
u32 height;
|
|
bool disconnected;
|
|
} mode_hint;
|
|
};
|
|
|
|
struct vbox_crtc {
|
|
struct drm_crtc base;
|
|
bool disconnected;
|
|
unsigned int crtc_id;
|
|
u32 fb_offset;
|
|
bool cursor_enabled;
|
|
u32 x_hint;
|
|
u32 y_hint;
|
|
/*
|
|
* When setting a mode we not only pass the mode to the hypervisor,
|
|
* but also information on how to map / translate input coordinates
|
|
* for the emulated USB tablet. This input-mapping may change when
|
|
* the mode on *another* crtc changes.
|
|
*
|
|
* This means that sometimes we must do a modeset on other crtc-s then
|
|
* the one being changed to update the input-mapping. Including crtc-s
|
|
* which may be disabled inside the guest (shown as a black window
|
|
* on the host unless closed by the user).
|
|
*
|
|
* With atomic modesetting the mode-info of disabled crtcs gets zeroed
|
|
* yet we need it when updating the input-map to avoid resizing the
|
|
* window as a side effect of a mode_set on another crtc. Therefor we
|
|
* cache the info of the last mode below.
|
|
*/
|
|
u32 width;
|
|
u32 height;
|
|
u32 x;
|
|
u32 y;
|
|
};
|
|
|
|
struct vbox_encoder {
|
|
struct drm_encoder base;
|
|
};
|
|
|
|
#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)
|
|
|
|
bool vbox_check_supported(u16 id);
|
|
int vbox_hw_init(struct vbox_private *vbox);
|
|
void vbox_hw_fini(struct vbox_private *vbox);
|
|
|
|
int vbox_mode_init(struct vbox_private *vbox);
|
|
void vbox_mode_fini(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 vbox_private *vbox,
|
|
struct vbox_framebuffer *vbox_fb,
|
|
const struct drm_mode_fb_cmd2 *mode_cmd,
|
|
struct drm_gem_object *obj);
|
|
|
|
int vboxfb_create(struct drm_fb_helper *helper,
|
|
struct drm_fb_helper_surface_size *sizes);
|
|
void vbox_fbdev_fini(struct vbox_private *vbox);
|
|
|
|
int vbox_mm_init(struct vbox_private *vbox);
|
|
void vbox_mm_fini(struct vbox_private *vbox);
|
|
|
|
int vbox_gem_create(struct vbox_private *vbox,
|
|
u32 size, bool iskernel, struct drm_gem_object **obj);
|
|
|
|
/* 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
|