/* $NetBSD: xcfb.c,v 1.40 2003/08/07 16:29:11 agc 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. 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. * * @(#)xcfb.c 8.1 (Berkeley) 6/10/93 */ /* * Mach Operating System * Copyright (c) 1991,1990,1989 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. */ /* * 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)"; */ #include __KERNEL_RCSID(0, "$NetBSD: xcfb.c,v 1.40 2003/08/07 16:29:11 agc Exp $"); #include "dtop.h" #if NDTOP == 0 xcfb needs dtop device #else #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define IMS332_ADDRESS 0xbc140000 #define VRAM_OFFSET 0x2000000 #define IMS332_RESET_ADDRESS 0xbc040100 /* * These need to be mapped into user space. */ static struct fbuaccess xcfbu; static struct pmax_fbtty xcfbfb; static struct fbinfo *xcfb_fi; #define XCFB_FB_SIZE 0x100000 /* size of raster (mapped into userspace) */ struct fbdriver xcfb_driver = { ims332_video_on, ims332_video_off, ims332InitColorMap, ims332GetColorMap, ims332LoadColorMap, ims332PosCursor, ims332LoadCursor, ims332CursorColor }; /* * Autoconfiguration data for config.new. * Use static-sized softc until config.old and old autoconfig * code is completely gone. */ static int xcfbmatch __P((struct device *, struct cfdata *, void *)); static void xcfbattach __P((struct device *, struct device *, void *)); static int xcfbinit __P((struct fbinfo *, caddr_t, int, int)); CFATTACH_DECL(xcfb, sizeof(struct device), xcfbmatch, xcfbattach, NULL, NULL); int xcfb_cnattach() { struct fbinfo *fi; caddr_t base; base = (caddr_t)MIPS_PHYS_TO_KSEG1(XINE_PHYS_CFB_START); fbcnalloc(&fi); if (xcfbinit(fi, base, 0, 1) < 0) return (0); xcfb_fi = fi; return (1); } static int xcfbmatch(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { struct tc_attach_args *ta = aux; /* Make sure that it's an xcfb. */ if (!TC_BUS_MATCHNAME(ta, "PMAG-DV ") && strcmp(ta->ta_modname, "xcfb") != 0) return (0); return (1); } static void xcfbattach(parent, self, aux) struct device *parent; struct device *self; void *aux; { struct tc_attach_args *ta = aux; caddr_t base = (caddr_t)ta->ta_addr; int unit = self->dv_unit; struct fbinfo *fi; if (xcfb_fi) fi = xcfb_fi; else { if (fballoc(&fi) < 0 || xcfbinit(fi, base, unit, 1) < 0) return; /* failed */ } ((struct fbsoftc *)self)->sc_fi = fi; printf(": %dx%dx%d%s", fi->fi_type.fb_width, fi->fi_type.fb_height, fi->fi_type.fb_depth, (xcfb_fi) ? " console" : ""); printf("\n"); } /* * Initialization */ static int xcfbinit(fi, base, unit, silent) struct fbinfo *fi; caddr_t base; int unit; int silent; { /*XXX*/ /* * Or Cached? A comment in the Mach driver suggests that the X server * runs faster in cached address space, but the X server is going * to blow away the data cache whenever it updates the screen, so.. */ /* Fill in main frame buffer info struct. */ fi->fi_unit = unit; fi->fi_pixels = (caddr_t)(base + VRAM_OFFSET); fi->fi_pixelsize = 1024 * 768; fi->fi_base = (caddr_t)IMS332_RESET_ADDRESS; fi->fi_vdac = (caddr_t)IMS332_ADDRESS; fi->fi_size = 0x100000; fi->fi_linebytes = 1024; fi->fi_driver = &xcfb_driver; fi->fi_blanked = 0; /* Fill in Frame Buffer Type struct. */ fi->fi_type.fb_type = PMAX_FBTYPE_XCFB; fi->fi_type.fb_width = 1024; fi->fi_type.fb_height = 768; fi->fi_type.fb_depth = 8; fi->fi_type.fb_cmsize = 256; fi->fi_type.fb_size = XCFB_FB_SIZE; /* * qvss/pm-style mmap()ed event queue compatibility glue */ /* * Must be in Uncached space since the fbuaccess structure is * mapped into the user's address space uncached. */ fi->fi_fbu = (struct fbuaccess *) MIPS_PHYS_TO_KSEG1(MIPS_KSEG0_TO_PHYS(&xcfbu)); /* This is glass-tty state but it's in the shared structure. Ick. */ fi->fi_fbu->scrInfo.max_row = 50; fi->fi_fbu->scrInfo.max_col = 80; init_pmaxfbu(fi); /* * Initialize old-style pmax glass-tty screen info. */ fi->fi_glasstty = &xcfbfb; /*XXX*/ /* dimensions translated -15 pixels, for sprite origin? */ fi->fi_fbu->scrInfo.max_cur_x = 1008; fi->fi_fbu->scrInfo.max_cur_y = 752; fi->fi_fbu->scrInfo.min_cur_x = -15; fi->fi_fbu->scrInfo.min_cur_y = -15; /* Initialize the RAMDAC. */ ims332init (fi); /* Connect serial device(s) */ if (tb_kbdmouseconfig(fi)) { return (-1); } fbconnect(fi); return (0); } #endif /* NDTOP */