/* $NetBSD: fb.c,v 1.36 2001/09/19 19:04:16 thorpej Exp $ */ /*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Ralph Campbell and Rick Macklem. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)fb.c 8.1 (Berkeley) 6/10/93 */ /* * devGraphics.c -- * * This file contains machine-dependent routines for the graphics device. * * Copyright (C) 1989 Digital Equipment Corporation. * Permission to use, copy, modify, and distribute this software and * its documentation for any purpose and without fee is hereby granted, * provided that the above copyright notice appears in all copies. * Digital Equipment Corporation makes no representations about the * suitability of this software for any purpose. It is provided "as is" * without express or implied warranty. * * from: Header: /sprite/src/kernel/dev/ds3100.md/RCS/devGraphics.c, * v 9.2 90/02/13 22:16:24 shirriff Exp SPRITE (DECWRL)"; */ /* * This file has all the routines common to the various frame buffer drivers * including a generic ioctl routine. The pmax_fb structure is passed into the * routines and has device specifics stored in it. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "dc.h" #include "scc.h" #include "dtop.h" /* * This framebuffer driver is a generic driver for all supported * framebuffers on NetBSD/pmax. The match and attach functions call * out to probe/init functions in subdrivers for each specific baseboard or * expansion bus framebuffers. The driver softc are maintained here, as * are the handlers for user-level requests (open/ioctl/close). * * Hardware dependencies are handled by calls through the "fbdriver" * method table, which the subdriver */ /* qvss/pm compatible and old 4.4bsd/pmax driver functions */ #if NDC > 0 #include #include #endif #if NDTOP > 0 #include #endif #if NSCC > 0 #include #endif /* * LK-201 and successor keycode mapping */ #include #include "fb.h" static int fbndevs; struct fbinfo fi_console; struct fbinfo *fbdevs[NFB]; static u_int8_t cmap_bits[768]; /* colormap for console */ /* * The "blessed" framebuffer; the fb that gets * the qvss-style ring buffer of mouse/kbd events, and is used * for glass-tty fb console output. */ struct fbinfo *firstfi = NULL; /* * attach routine: required for pseudo-device */ void fbattach(n) int n; { } void fbcnalloc(fip) struct fbinfo **fip; { struct fbinfo *fi = &fi_console; firstfi = fi; /* XXX */ fi->fi_cmap_bits = cmap_bits; fbdevs[fbndevs++] = fi; *fip = fi; } int fballoc(fip) struct fbinfo **fip; { struct fbinfo *fi; if (fbndevs >= NFB) return (-1); fi = malloc(sizeof(struct fbinfo), M_DEVBUF, M_NOWAIT); if (fi == NULL) goto nomemory; fi->fi_cmap_bits = malloc(768, M_DEVBUF, M_NOWAIT); if (fi->fi_cmap_bits == NULL) { free(fi, M_DEVBUF); goto nomemory; } if (fbndevs == 0) /* XXX */ firstfi = fi; /* XXX */ *fip = fbdevs[fbndevs++] = fi; return (0); nomemory: return (-1); } void fbconnect(fi) struct fbinfo *fi; { if (&fi_console == fi) rcons_connect(fi); } cdev_decl(fb); /* generic framebuffer pseudo-device */ #include "fb_usrreq.c" /* old pm-compatible driver that supports X11R5/R6 */ /* * Configure the keyboard/mouse based on machine type for turbochannel * display boards. */ int tb_kbdmouseconfig(fi) struct fbinfo *fi; { if (fi == NULL || fi->fi_glasstty == NULL) { #if defined(DEBUG) || defined(DIAGNOSTIC) printf("tb_kbdmouseconfig: given non-console framebuffer\n"); #endif return 1; } switch (systype) { #if NDC > 0 case DS_PMAX: case DS_3MAX: fi->fi_glasstty->KBDPutc = dcPutc; fi->fi_glasstty->kbddev = makedev(DCDEV, DCKBD_PORT); break; #endif /* NDC */ #if NSCC > 0 case DS_3MIN: case DS_3MAXPLUS: fi->fi_glasstty->KBDPutc = sccPutc; fi->fi_glasstty->kbddev = makedev(SCCDEV, SCCKBD_PORT); break; #endif /* NSCC */ #if NDTOP > 0 case DS_MAXINE: fi->fi_glasstty->KBDPutc = dtopKBDPutc; fi->fi_glasstty->kbddev = makedev(DTOPDEV, DTOPKBD_PORT); break; #endif /* NDTOP */ default: printf("Can't configure keyboard/mouse\n"); return (1); }; return (0); }