1 /**************************************************************************
3 xserver-xorg-video-emulfb
5 Copyright 2010 - 2011 Samsung Electronics co., Ltd. All Rights Reserved.
7 Contact: SooChan Lim <sc1.lim@samsung.com>
9 Permission is hereby granted, free of charge, to any person obtaining a
10 copy of this software and associated documentation files (the
11 "Software"), to deal in the Software without restriction, including
12 without limitation the rights to use, copy, modify, merge, publish,
13 distribute, sub license, and/or sell copies of the Software, and to
14 permit persons to whom the Software is furnished to do so, subject to
15 the following conditions:
17 The above copyright notice and this permission notice (including the
18 next paragraph) shall be included in all copies or substantial portions
21 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
24 IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
25 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
26 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
27 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 **************************************************************************/
35 FBDevGetVarScreenInfo(int fd, struct fb_var_screeninfo *fbVarInfo)
37 if (0 != ioctl(fd,FBIOGET_VSCREENINFO, (void*)fbVarInfo))
38 fprintf(stderr, "Error : fail to get FBIOGET_VSCREENINFO\n");
42 FBDevSetVarScreenInfo(int fd, struct fb_var_screeninfo *fbVarInfo)
44 if (0 != ioctl(fd,FBIOPUT_VSCREENINFO,(void*)fbVarInfo))
45 fprintf(stderr, "Error : fail to get FBIOPUT_VSCREENINFO\n");
49 FBDevGetFixScreenInfo(int fd, struct fb_fix_screeninfo *fbFixInfo)
51 if (0 != ioctl(fd,FBIOGET_FSCREENINFO,(void*)fbFixInfo))
52 fprintf(stderr, "Error : fail to get FBIOGET_FSCREENINFO\n");
56 FBDevScreenAlphaInit(int fd)
58 struct fb_var_screeninfo var;
61 ret = ioctl(fd, FBIOGET_VSCREENINFO, &var);
67 if (var.bits_per_pixel != 32)
71 var.transp.length = 8;
72 var.activate = FB_ACTIVATE_FORCE;
73 ret = ioctl(fd, FBIOPUT_VSCREENINFO, &var);
83 FBDevScreenAlphaDeinit(int fd)
85 struct fb_var_screeninfo var;
88 ret = ioctl(fd, FBIOGET_VSCREENINFO, &var);
94 var.transp.length = 0;
95 ret = ioctl(fd, FBIOPUT_VSCREENINFO, &var);
104 #include <sys/utsname.h>
108 FBDevActivateFB(int fd)
110 struct fb_var_screeninfo var;
113 ret = ioctl(fd, FBIOGET_VSCREENINFO, &var);
116 ErrorF("failed to get fb_var\n");
120 var.activate = FB_ACTIVATE_FORCE;
122 ret = ioctl (fd, FBIOPUT_VSCREENINFO, &var);
125 ErrorF("failed to set fb_var.activate\n");
129 ret = ioctl (fd, FBIOBLANK, FB_BLANK_UNBLANK);
132 ErrorF("failed to set FBIOBLANK : FB_BLANK_UNBLANK\n");
141 FBDevDeActivateFB(int fd)
145 ret = ioctl (fd, FBIOBLANK, FB_BLANK_POWERDOWN);
148 ErrorF("failed to set FBIOBLANK : FB_BLANK_POWERDOWN\n");
156 FBDevSetBaseFrameBuffer(int fd)
158 struct fb_var_screeninfo var;
161 ret = ioctl(fd, FBIOGET_VSCREENINFO, &var);
168 ret = ioctl (fd, FBIOPAN_DISPLAY,&var);
178 FBDevHWPanDisplay(int fd, int x, int y)
180 struct fb_var_screeninfo var;
183 ret = ioctl(fd, FBIOGET_VSCREENINFO, &var);
191 ret = ioctl(fd, FBIOPAN_DISPLAY, &var);