| 1 | /* $Id: setmode.c 55390 2015-04-22 19:23:02Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | *
|
|---|
| 4 | * Linux Additions X11 graphics driver, mode setting
|
|---|
| 5 | */
|
|---|
| 6 |
|
|---|
| 7 | /*
|
|---|
| 8 | * Copyright (C) 2006-2013 Oracle Corporation
|
|---|
| 9 | *
|
|---|
| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 11 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 12 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 13 | * General Public License (GPL) as published by the Free Software
|
|---|
| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 17 | * --------------------------------------------------------------------
|
|---|
| 18 | *
|
|---|
| 19 | * This code is based on:
|
|---|
| 20 | *
|
|---|
| 21 | * X11 VESA driver
|
|---|
| 22 | *
|
|---|
| 23 | * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com)
|
|---|
| 24 | *
|
|---|
| 25 | * Permission is hereby granted, free of charge, to any person obtaining a
|
|---|
| 26 | * copy of this software and associated documentation files (the "Software"),
|
|---|
| 27 | * to deal in the Software without restriction, including without limitation
|
|---|
| 28 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|---|
| 29 | * and/or sell copies of the Software, and to permit persons to whom the
|
|---|
| 30 | * Software is furnished to do so, subject to the following conditions:
|
|---|
| 31 | *
|
|---|
| 32 | * The above copyright notice and this permission notice shall be included in
|
|---|
| 33 | * all copies or substantial portions of the Software.
|
|---|
| 34 | *
|
|---|
| 35 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|---|
| 36 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|---|
| 37 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|---|
| 38 | * CONECTIVA LINUX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|---|
| 39 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
|---|
| 40 | * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|---|
| 41 | * SOFTWARE.
|
|---|
| 42 | *
|
|---|
| 43 | * Except as contained in this notice, the name of Conectiva Linux shall
|
|---|
| 44 | * not be used in advertising or otherwise to promote the sale, use or other
|
|---|
| 45 | * dealings in this Software without prior written authorization from
|
|---|
| 46 | * Conectiva Linux.
|
|---|
| 47 | *
|
|---|
| 48 | * Authors: Paulo César Pereira de Andrade <pcpa@conectiva.com.br>
|
|---|
| 49 | */
|
|---|
| 50 |
|
|---|
| 51 | #ifdef XORG_7X
|
|---|
| 52 | /* We include <unistd.h> for Solaris below, and the ANSI C emulation layer
|
|---|
| 53 | * interferes with that. */
|
|---|
| 54 | # define _XF86_ANSIC_H
|
|---|
| 55 | # define XF86_LIBC_H
|
|---|
| 56 | # include <string.h>
|
|---|
| 57 | #endif
|
|---|
| 58 | #include "vboxvideo.h"
|
|---|
| 59 | #include "version-generated.h"
|
|---|
| 60 | #include "product-generated.h"
|
|---|
| 61 | #include "xf86.h"
|
|---|
| 62 |
|
|---|
| 63 | /* VGA hardware functions for setting and restoring text mode */
|
|---|
| 64 | #include "vgaHW.h"
|
|---|
| 65 |
|
|---|
| 66 | #ifdef RT_OS_SOLARIS
|
|---|
| 67 | # include <sys/vuid_event.h>
|
|---|
| 68 | # include <sys/msio.h>
|
|---|
| 69 | # include <errno.h>
|
|---|
| 70 | # include <fcntl.h>
|
|---|
| 71 | # include <unistd.h>
|
|---|
| 72 | #endif
|
|---|
| 73 |
|
|---|
| 74 | /** Clear the virtual framebuffer in VRAM. Optionally also clear up to the
|
|---|
| 75 | * size of a new framebuffer. Framebuffer sizes larger than available VRAM
|
|---|
| 76 | * be treated as zero and passed over. */
|
|---|
| 77 | void vbvxClearVRAM(ScrnInfoPtr pScrn, size_t cbOldSize, size_t cbNewSize)
|
|---|
| 78 | {
|
|---|
| 79 | VBOXPtr pVBox = VBOXGetRec(pScrn);
|
|---|
| 80 |
|
|---|
| 81 | /* Assume 32BPP - this is just a sanity test. */
|
|---|
| 82 | VBVXASSERT( cbOldSize / 4 <= VBOX_VIDEO_MAX_VIRTUAL * VBOX_VIDEO_MAX_VIRTUAL
|
|---|
| 83 | && cbNewSize / 4 <= VBOX_VIDEO_MAX_VIRTUAL * VBOX_VIDEO_MAX_VIRTUAL,
|
|---|
| 84 | ("cbOldSize=%llu cbNewSize=%llu, max=%u.\n", (unsigned long long)cbOldSize, (unsigned long long)cbNewSize,
|
|---|
| 85 | VBOX_VIDEO_MAX_VIRTUAL * VBOX_VIDEO_MAX_VIRTUAL));
|
|---|
| 86 | if (cbOldSize > (size_t)pVBox->cbFBMax)
|
|---|
| 87 | cbOldSize = pVBox->cbFBMax;
|
|---|
| 88 | if (cbNewSize > (size_t)pVBox->cbFBMax)
|
|---|
| 89 | cbNewSize = pVBox->cbFBMax;
|
|---|
| 90 | memset(pVBox->base, 0, max(cbOldSize, cbNewSize));
|
|---|
| 91 | }
|
|---|
| 92 |
|
|---|
| 93 | /** Set a graphics mode. Poke any required values into registers, do an HGSMI
|
|---|
| 94 | * mode set and tell the host we support advanced graphics functions.
|
|---|
| 95 | */
|
|---|
| 96 | void vbvxSetMode(ScrnInfoPtr pScrn, unsigned cDisplay, unsigned cWidth, unsigned cHeight, int x, int y, bool fEnabled,
|
|---|
| 97 | bool fConnected, struct vbvxFrameBuffer *pFrameBuffer)
|
|---|
| 98 | {
|
|---|
| 99 | VBOXPtr pVBox = VBOXGetRec(pScrn);
|
|---|
| 100 | uint32_t offStart;
|
|---|
| 101 | uint16_t fFlags;
|
|---|
| 102 | int rc;
|
|---|
| 103 | bool fEnabledAndVisible = fEnabled && x + cWidth <= pFrameBuffer->cWidth && y + cHeight <= pFrameBuffer->cHeight;
|
|---|
| 104 | /* Recent host code has a flag to blank the screen; older code needs BPP set to zero. */
|
|---|
| 105 | uint32_t cBPP = fEnabledAndVisible || pVBox->fHostHasScreenBlankingFlag ? pFrameBuffer->cBPP : 0;
|
|---|
| 106 |
|
|---|
| 107 | TRACE_LOG("cDisplay=%u, cWidth=%u, cHeight=%u, x=%d, y=%d, fEnabled=%d, fConnected=%d, pFrameBuffer: { x0=%d, y0=%d, cWidth=%u, cHeight=%u, cBPP=%u }\n",
|
|---|
| 108 | cDisplay, cWidth, cHeight, x, y, fEnabled, fConnected, pFrameBuffer->x0, pFrameBuffer->y0, pFrameBuffer->cWidth,
|
|---|
| 109 | pFrameBuffer->cHeight, pFrameBuffer->cBPP);
|
|---|
| 110 | VBVXASSERT(cWidth != 0 && cHeight != 0, ("cWidth = 0 or cHeight = 0\n"));
|
|---|
| 111 | offStart = (y * pFrameBuffer->cWidth + x) * pFrameBuffer->cBPP / 8;
|
|---|
| 112 | if (cDisplay == 0 && fEnabled)
|
|---|
| 113 | VBoxVideoSetModeRegisters(cWidth, cHeight, pFrameBuffer->cWidth, pFrameBuffer->cBPP, 0, x, y);
|
|---|
| 114 | fFlags = VBVA_SCREEN_F_ACTIVE;
|
|---|
| 115 | fFlags |= (fConnected ? 0 : VBVA_SCREEN_F_DISABLED);
|
|---|
| 116 | fFlags |= (!fEnabledAndVisible && pVBox->fHostHasScreenBlankingFlag ? VBVA_SCREEN_F_BLANK : 0);
|
|---|
| 117 | VBoxHGSMIProcessDisplayInfo(&pVBox->guestCtx, cDisplay, x - pFrameBuffer->x0, y - pFrameBuffer->y0, offStart,
|
|---|
| 118 | pFrameBuffer->cWidth * pFrameBuffer->cBPP / 8, cWidth, cHeight, cBPP, fFlags);
|
|---|
| 119 | rc = VBoxHGSMIUpdateInputMapping(&pVBox->guestCtx, 0 - pFrameBuffer->x0, 0 - pFrameBuffer->y0, pFrameBuffer->cWidth,
|
|---|
| 120 | pFrameBuffer->cHeight);
|
|---|
| 121 | if (RT_FAILURE(rc))
|
|---|
| 122 | FatalError("Failed to update the input mapping.\n");
|
|---|
| 123 | }
|
|---|
| 124 |
|
|---|
| 125 | /** Tell the virtual mouse device about the new virtual desktop size. */
|
|---|
| 126 | void vbvxSetSolarisMouseRange(int width, int height)
|
|---|
| 127 | {
|
|---|
| 128 | #ifdef RT_OS_SOLARIS
|
|---|
| 129 | int rc;
|
|---|
| 130 | int hMouse = open("/dev/mouse", O_RDWR);
|
|---|
| 131 |
|
|---|
| 132 | if (hMouse >= 0)
|
|---|
| 133 | {
|
|---|
| 134 | do {
|
|---|
| 135 | Ms_screen_resolution Res = { height, width };
|
|---|
| 136 | rc = ioctl(hMouse, MSIOSRESOLUTION, &Res);
|
|---|
| 137 | } while ((rc != 0) && (errno == EINTR));
|
|---|
| 138 | close(hMouse);
|
|---|
| 139 | }
|
|---|
| 140 | #else
|
|---|
| 141 | (void)width; (void)height;
|
|---|
| 142 | #endif
|
|---|
| 143 | }
|
|---|
