diff options
Diffstat (limited to 'share/man/man4/man4.hp300/tc.4')
| -rw-r--r-- | share/man/man4/man4.hp300/tc.4 | 75 |
1 files changed, 28 insertions, 47 deletions
diff --git a/share/man/man4/man4.hp300/tc.4 b/share/man/man4/man4.hp300/tc.4 index 566111a7caa..7e0673fb971 100644 --- a/share/man/man4/man4.hp300/tc.4 +++ b/share/man/man4/man4.hp300/tc.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: tc.4,v 1.7 2001/11/13 13:54:26 mpech Exp $ +.\" $OpenBSD: tc.4,v 1.8 2002/10/01 07:12:30 miod Exp $ .\" .\" Copyright (c) 1990, 1991, 1993 .\" The Regents of the University of California. All rights reserved. @@ -44,7 +44,7 @@ .Nm tc .Nd .Tn HP98544 -98550 ``Topcat'' and ``Catseye'' device interface +98550 ``Topcat'' and ``Catseye'' frame buffer .Sh DESCRIPTION This driver is for the .Tn HP98544 , @@ -73,7 +73,7 @@ The device can also be used as a graphics output device. The .Xr ioctl 2 calls supported by the -.Bx +.Ox system for the Topcat are: .Bl -tag -width GRFIOCGINFO .It Dv GRFIOCGINFO @@ -82,7 +82,7 @@ Get Graphics Info Get info about device, setting the entries in the .Ar grfinfo structure, as defined in -.Aq Pa hpdev/grfioctl.h . +.Aq Pa machine/grfioctl.h . For the 98544 or 98549, the number of planes should be 1, as they are monochrome devices. The number of planes for a 98545 is 4, translating to 15 colors, @@ -109,73 +109,54 @@ are not affected. .It Dv GRFIOCMAP Map Device to user space .Pp -Map in control registers and framebuffer space. +Map in control registers and frame buffer space. Once the device file is mapped, the frame buffer structure is accessible. The frame buffer structure describing Topcat/Catseye devices is defined in -.Aq Pa hpdev/grf_tcreg.h . +.Aq Pa machine/grf_tcreg.h . .El .Pp For further information about the use of .Xr ioctl 2 see the man page. +.Sh FILES +.Bl -tag -width /dev/XXXX -compact +.It Pa /dev/grf? +.Ox +special file +.El .Sh EXAMPLES A small example of opening, mapping and using the device is given below. -For more examples of the details on the behavior of the device, see the device -dependent source files for the X Window System, in the -.Pa /usr/src/new/X/libhp -directory. .Bd -literal struct tcboxfb *tc; u_char *Addr, frame_buffer; struct grfinfo gi; int disp_fd; -disp_fd = open("/dev/grf0",1); +disp_fd = open("/dev/grf0", O_WRONLY); -if (ioctl (disp_fd, GRFIOCGINFO, &gi) < 0) return -1; +if (ioctl(disp_fd, GRFIOCGINFO, &gi) < 0) return -1; -(void) ioctl (disp_fd, GRFIOCON, 0); +ioctl(disp_fd, GRFIOCON, 0); -Addr = (u_char *) 0; -if (ioctl (disp_fd, GRFIOCMAP, &Addr) < 0) { - (void) ioctl (disp_fd, GRFIOCOFF, 0); +if (ioctl(disp_fd, GRFIOCMAP, &Addr) < 0) { + ioctl(disp_fd, GRFIOCOFF, 0); return -1; } -tc = (tcboxfb *) Addr; /* Control Registers */ -frame_buffer = (u_char *) Addr + gi.gd_regsize; /* Frame buffer memory */ +tc = (tcboxfb *)Addr; /* Control Registers */ +frame_buffer = (u_char *)Addr + gi.gd_regsize; /* Frame buffer memory */ .Ed -.Sh FILES -.Bl -tag -width /dev/MAKEDEV.hpux -compact -.It Pa /dev/grf? -.Bx -special file -.It Pa /dev/crt9837 -.It Pa /dev/crt98550 -.Tn HP-UX -.Em starbase -special files -.It Pa /dev/MAKEDEV.hpux -script for creating -.Tn HP-UX -special files -.El .Sh DIAGNOSTICS None under -.Bx . +.Ox . +The .Tn HP-UX -.Tn /usr/CE.utilities/Crtadjust +.Tn CE.utilities/Crtadjust programs must be used. -.Sh ERRORS -.Bl -tag -width [EINVAL] -.It Bq Er ENODEV -no such device. -.It Bq Er EBUSY -Another process has the device open. -.It Bq Er EINVAL -Invalid -.Xr ioctl 2 -specification. -.El .Sh SEE ALSO .Xr ioctl 2 , -.Xr grf 4 +.Xr dv 4 , +.Xr gb 4 , +.Xr grf 4 , +.\" .Xr hyper 4 , +.Xr intro 4 , +.Xr rb 4 |