589 lines
13 KiB
C
589 lines
13 KiB
C
/* $NetBSD: fb.c,v 1.3 1999/02/15 04:36:33 hubertf Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: $Hdr: fb.c,v 4.300 91/06/27 20:43:06 root Rel41 $ SONY
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*
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* @(#)fb.c 8.1 (Berkeley) 6/11/93
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*/
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#include "fb.h"
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#if NFB > 0
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/*
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* Frame buffer driver
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*/
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/device.h>
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#include <sys/systm.h>
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#include <sys/proc.h>
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#include <machine/cpu.h>
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#include <machine/autoconf.h>
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#include <machine/framebuf.h>
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#include <newsmips/dev/fbreg.h>
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#define FB_USED 1
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#define VIDEO_USED 2
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struct fb_softc {
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struct device sc_dev;
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int fbs_state;
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int fbs_device;
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lScrType fbs_type;
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int fbs_flag;
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struct fbreg fbreg;
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};
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static int fbmatch __P((struct device *, struct cfdata *, void *));
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static void fbattach __P((struct device *, struct device *, void *));
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static void fblock __P((void));
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static void fbunlock __P((int));
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static int fbinit __P((struct fbreg *));
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static void fbreset __P((struct fbreg *));
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struct cfattach fb_ca = {
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sizeof(struct fb_softc), fbmatch, fbattach
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};
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extern struct cfdriver fb_cd;
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static char *devname[] = {
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/* 0*/ "",
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/* 1*/ "NWB-512",
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/* 2*/ "NWB-225",
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/* 3*/ "POP-MONO",
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/* 4*/ "POP-COLOR",
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/* 5*/ "NWB-514",
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/* 6*/ "NWB-251",
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/* 7*/ "LCD-MONO",
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/* 8*/ "LDC-COLOR",
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/* 9*/ "NWB-518",
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/*10*/ "NWB-252",
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/*11*/ "NWB-253",
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/*12*/ "NWB-254",
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/*13*/ "NWB-255",
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/*14*/ "SLB-101",
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/*15*/ "NWB-256",
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/*16*/ "NWB-257",
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};
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static int fbstate = 0;
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extern int fb253_probe();
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extern void bmcnattach();
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extern int fbstart __P((struct fbreg *, int));
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extern int search_fbdev __P((int, int));
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extern int fbgetscrtype();
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extern int fbsetpalette();
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extern int fbgetpalette();
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extern int fbsetcursor();
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extern int fbnsetcursor();
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extern int fbsetxy();
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static int
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fbmatch(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct confargs *ca = aux;
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struct fbreg fbreg;
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struct fbreg *fbp = &fbreg;
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int unit = cf->cf_unit;
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if (strcmp(ca->ca_name, "fb"))
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return 0;
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fbp->fb_command = FB_CPROBE;
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fbp->fb_device = 0;
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fbp->fb_unit = unit;
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fbp->fb_data = -1;
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fbstart(fbp, 1);
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if (fbp->fb_result != FB_ROK)
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return 0;
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return 1;
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}
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static void
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fbattach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct fb_softc *fb = (struct fb_softc *)self;
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struct fbreg *fbp = &fb->fbreg;
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int unit = fb->sc_dev.dv_cfdata->cf_unit;
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extern int tty00_is_console;
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fb->fbs_device = unit;
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fbp->fb_command = FB_CATTACH;
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fbp->fb_device = fb->fbs_device;
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fbstart(fbp, 1);
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fb->fbs_type = fbp->fb_scrtype;
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if (fb->fbs_type.type) {
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fb->fbs_state = 0;
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fb->fbs_flag = 0;
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printf(": %s",
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(fb->fbs_type.type < sizeof(devname)/sizeof(*devname))
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? devname[(int)fb->fbs_type.type] : "UNKNOWN");
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printf(" (%d x %d %d plane)",
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fb->fbs_type.visiblerect.extent.x,
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fb->fbs_type.visiblerect.extent.y,
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fb->fbs_type.plane);
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}
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if (! tty00_is_console) { /* XXX */
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printf(" (console)");
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bmcnattach();
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}
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printf("\n");
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}
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int
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fbopen(dev, flags, mode, p)
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dev_t dev;
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int flags, mode;
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struct proc *p;
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{
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register int unit = FBUNIT(dev);
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register struct fb_softc *fb = fb_cd.cd_devs[unit];
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register struct fbreg *fbp = &fb->fbreg;
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if (unit >= NFB)
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return ENXIO;
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if (fb->fbs_flag && !FBVIDEO(dev))
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return EBUSY;
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if (fb->fbs_state == 0) {
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fbp->fb_device = fb->fbs_device;
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if (fbinit(fbp))
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return EBUSY;
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}
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fb->fbs_state |= FBVIDEO(dev) ? VIDEO_USED : FB_USED;
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return 0;
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}
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int
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fbclose(dev, flags, mode, p)
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dev_t dev;
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int flags, mode;
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struct proc *p;
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{
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register int unit = FBUNIT(dev);
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register struct fb_softc *fb = fb_cd.cd_devs[unit];
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register struct fbreg *fbp = &fb->fbreg;
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if (unit >= NFB)
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return ENXIO;
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if (fb->fbs_state == 0)
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return 0;
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if (!FBVIDEO(dev))
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fb->fbs_flag = 0;
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fb->fbs_state &= ~(FBVIDEO(dev) ? VIDEO_USED : FB_USED);
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if (fb->fbs_state == 0) {
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fbp->fb_device = fb->fbs_device;
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fbreset(fbp);
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}
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return 0;
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}
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int
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fbioctl(dev, cmd, data, flags, p)
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dev_t dev;
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u_long cmd;
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caddr_t data;
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int flags;
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struct proc *p;
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{
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register int unit = FBUNIT(dev);
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register struct fb_softc *fb = fb_cd.cd_devs[unit];
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register struct fbreg *fbp = &fb->fbreg;
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register int error = 0;
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if (unit >= NFB)
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return ENXIO;
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fblock();
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fbp->fb_device = fb->fbs_device;
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switch (cmd) {
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case FBIOCENABLE:
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fb->fbs_flag = 0;
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break;
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case FBIOCDISABLE:
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fb->fbs_flag = 1;
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break;
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case FBIOCAUTODIM:
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fbp->fb_command = FB_CAUTODIM;
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fbp->fb_data = *((int *)data);
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fbstart(fbp, 0);
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break;
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case FBIOCSETDIM:
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fbp->fb_command = FB_CSETDIM;
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fbp->fb_data = *((int*)data);
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fbstart(fbp, 0);
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break;
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case FBIOCGETDIM:
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fbp->fb_command = FB_CGETDIM;
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fbstart(fbp, 1);
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*((int*)data) = fbp->fb_data;
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break;
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#ifdef notyet
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case FBIOCBITBLT:
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error = fbbitblt(fbp, (sBitblt *)data);
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break;
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case FBIOCNBITBLT:
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error = fbnbitblt(fbp, (lBitblt *)data, UIO_USERSPACE);
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break;
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case FBIOCBATCHBITBLT:
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error = fbbatchbitblt(fbp, (sBatchBitblt*)data, UIO_USERSPACE);
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break;
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case FBIOCNBATCHBITBLT:
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error = fbnbatchbitblt(fbp, (lBatchBitblt*)data, UIO_USERSPACE);
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break;
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case FBIOCTILEBITBLT:
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error = fbtilebitblt(fbp, (sTileBitblt *)data);
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break;
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case FBIOCNTILEBITBLT:
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error = fbntilebitblt(fbp, (lTileBitblt *)data);
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break;
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case FBIOCBITBLT3:
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error = fbbitblt3(fbp, (sBitblt3 *)data);
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break;
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case FBIOCNBITBLT3:
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error = fbnbitblt3(fbp, (lBitblt3 *)data);
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break;
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case FBIOCPOLYLINE:
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error = fbpolyline(fbp, (sPrimLine *)data, 0);
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break;
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case FBIOCNPOLYLINE:
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error = fbnpolyline(fbp, (lPrimLine *)data, 0, UIO_USERSPACE);
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break;
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case FBIOCDJPOLYLINE:
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error = fbpolyline(fbp, (sPrimLine *)data, 1);
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break;
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case FBIOCNDJPOLYLINE:
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error = fbnpolyline(fbp, (lPrimLine *)data, 1, UIO_USERSPACE);
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break;
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case FBIOCPOLYMARKER:
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error = fbpolymarker(fbp, (sPrimMarker *)data);
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break;
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case FBIOCNPOLYMARKER:
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error = fbnpolymarker(fbp, (lPrimMarker *)data, UIO_USERSPACE);
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break;
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case FBIOCRECTANGLE:
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error = fbrectangle(fbp, (sPrimRect *)data);
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break;
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case FBIOCNRECTANGLE:
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error = fbnrectangle(fbp, (lPrimRect *)data);
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break;
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case FBIOCFILLSCAN:
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error = fbfillscan(fbp, (sPrimFill *)data);
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break;
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case FBIOCNFILLSCAN:
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error = fbnfillscan(fbp, (lPrimFill *)data, UIO_USERSPACE);
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break;
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case FBIOCTEXT:
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error = fbtext(fbp, (sPrimText *)data);
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break;
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case FBIOCNTEXT:
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error = fbntext(fbp, (lPrimText *)data);
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break;
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case FBIOCPOLYDOT:
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error = fbpolydot(fbp, (sPrimDot *)data);
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break;
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case FBIOCNPOLYDOT:
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error = fbnpolydot(fbp, (lPrimDot *)data, UIO_USERSPACE);
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break;
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#endif
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case FBIOCGETSCRTYPE:
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fbgetscrtype(fbp, (sScrType *)data);
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break;
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case FBIOCNGETSCRTYPE:
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fbp->fb_command = FB_CGETSCRTYPE;
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fbstart(fbp, 1);
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*((lScrType*)data) = fbp->fb_scrtype;
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break;
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case FBIOCSETPALETTE:
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fbsetpalette(fbp, (sPalette *)data);
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break;
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#ifdef notyet
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case FBIOCNSETPALETTE:
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error = fbnsetpalette(fbp, (lPalette *)data);
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break;
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#endif
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case FBIOCGETPALETTE:
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fbgetpalette(fbp, (sPalette *)data);
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break;
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#ifdef notyet
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case FBIOCNGETPALETTE:
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error = fbngetpalette(fbp, (lPalette *)data);
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break;
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#endif
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case FBIOCSETCURSOR:
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fbsetcursor(fbp, (sCursor *)data);
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break;
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case FBIOCNSETCURSOR:
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fbnsetcursor(fbp, (lCursor *)data);
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break;
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case FBIOCNSETCURSOR2:
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fbp->fb_command = FB_CSETCURSOR;
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fbp->fb_cursor = *((lCursor2 *)data);
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fbstart(fbp, 0);
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break;
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case FBIOCUNSETCURSOR:
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fbp->fb_command = FB_CUNSETCURSOR;
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fbstart(fbp, 0);
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break;
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case FBIOCNUNSETCURSOR:
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fbp->fb_command = FB_CUNSETCURSOR;
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fbstart(fbp, 0);
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break;
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case FBIOCSHOWCURSOR:
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fbp->fb_command = FB_CSHOWCURSOR;
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fbstart(fbp, 0);
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break;
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case FBIOCNSHOWCURSOR:
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fbp->fb_command = FB_CSHOWCURSOR;
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fbstart(fbp, 0);
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break;
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case FBIOCHIDECURSOR:
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fbp->fb_command = FB_CHIDECURSOR;
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fbstart(fbp, 0);
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break;
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case FBIOCNHIDECURSOR:
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fbp->fb_command = FB_CHIDECURSOR;
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fbstart(fbp, 0);
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break;
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case FBIOCSETXY:
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fbsetxy(fbp, (sPoint *)data);
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break;
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case FBIOCNSETXY:
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fbp->fb_command = FB_CSETXY;
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fbp->fb_point = *((lPoint *)data);
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fbstart(fbp, 0);
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break;
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case FBIOCNSETPALETTEMODE:
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fbp->fb_command = FB_CSETPMODE;
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fbp->fb_data = *((int*)data);
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fbstart(fbp, 0);
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break;
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case FBIOCNGETPALETTEMODE:
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fbp->fb_command = FB_CGETPMODE;
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fbstart(fbp, 1);
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*((int*)data) = fbp->fb_data;
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break;
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case FBIOCNSETVIDEO:
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fbp->fb_command = FB_CSETVIDEO;
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fbp->fb_videoctl = *((lVideoCtl*)data);
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fbstart(fbp, 0);
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break;
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case FBIOCNGETVIDEO:
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fbp->fb_command = FB_CGETVIDEO;
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fbp->fb_videostatus.request = VIDEO_STATUS;
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fbstart(fbp, 1);
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*((lVideoStatus*)data) = fbp->fb_videostatus;
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error = fbp->fb_result;
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break;
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case FBIOCNIOCTL:
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fbp->fb_command = FB_CIOCTL;
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fbp->fb_fbioctl = *((lFbIoctl*)data);
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fbstart(fbp, 1);
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*((lFbIoctl*)data) = fbp->fb_fbioctl;
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if (fbp->fb_result == FB_RERROR)
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error = EINVAL;
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break;
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default:
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error = ENXIO;
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break;
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}
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fbunlock(error);
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return error;
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}
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int
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fbmmap(dev, off, prot)
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dev_t dev;
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int off, prot;
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{
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register int unit = FBUNIT(dev);
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register struct fb_softc *fb = fb_cd.cd_devs[unit];
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register struct fbreg *fbp = &fb->fbreg;
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register int page;
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if (unit >= NFB)
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return -1;
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if (off & PGOFSET)
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return -1;
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if (off < 0)
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return -1;
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fblock();
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fbp->fb_device = fb->fbs_device;
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fbp->fb_command = FB_CGETPAGE;
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fbp->fb_data = off;
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fbstart(fbp, 1);
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page = fbp->fb_data;
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if (fbp->fb_result == FB_RERROR)
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page = -1;
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else
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fb->fbs_flag = 1;
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fbunlock(fbp->fb_result);
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return page;
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}
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#if 0 /* not needed? */
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int
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fbpoll(dev, events, p)
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dev_t dev;
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int events;
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struct proc *p;
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{
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return -1;
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}
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#endif
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static void
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fblock()
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{
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int s;
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#ifdef USE_RAW_INTR
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fbwait();
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#endif
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s = splfb();
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while (fbstate & FB_BUSY) {
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fbstate |= FB_WANTED;
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tsleep(&fbstate, FBPRI | PCATCH, "fblock", 0);
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}
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fbstate |= FB_BUSY;
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splx(s);
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}
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static void
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fbunlock(error)
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int error;
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{
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int s = splfb();
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#ifdef CPU_SINGLE
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fbstate &= ~FB_BUSY;
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if (fbstate & FB_WANTED) {
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fbstate &= ~FB_WANTED;
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wakeup(&fbstate);
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}
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#else
|
|
#ifdef USE_RAW_INTR
|
|
fbstate &= ~FB_BUSY;
|
|
if (fbstate & FB_WANTED) {
|
|
fbstate &= ~FB_WANTED;
|
|
wakeup(&fbstate);
|
|
}
|
|
#else
|
|
if (error || (fbstate & FB_DELAY) == 0) {
|
|
fbstate &= ~(FB_BUSY | FB_WAIT | FB_DELAY);
|
|
if (fbstate & FB_WANTED) {
|
|
fbstate &= ~FB_WANTED;
|
|
wakeup(&fbstate);
|
|
}
|
|
}
|
|
if (fbstate & FB_DELAY) {
|
|
fbstate &= ~FB_DELAY;
|
|
fbstate |= FB_DELAY2;
|
|
}
|
|
#endif
|
|
#endif /* CPU_SINGLE */
|
|
splx(s);
|
|
}
|
|
|
|
static int
|
|
fbinit(fbp)
|
|
struct fbreg *fbp;
|
|
{
|
|
fblock();
|
|
|
|
fbp->fb_command = FB_COPEN;
|
|
fbstart(fbp, 1);
|
|
if (fbp->fb_result != FB_ROK) {
|
|
fbunlock(0);
|
|
return FB_RERROR;
|
|
}
|
|
|
|
fbp->fb_command = FB_CUNSETCURSOR;
|
|
fbstart(fbp, 0);
|
|
|
|
fbunlock(0);
|
|
|
|
return FB_ROK;
|
|
}
|
|
|
|
static void
|
|
fbreset(fbp)
|
|
struct fbreg *fbp;
|
|
{
|
|
fblock();
|
|
|
|
fbp->fb_command = FB_CUNSETCURSOR;
|
|
fbstart(fbp, 1);
|
|
|
|
fbp->fb_command = FB_CCLOSE;
|
|
fbstart(fbp, 0);
|
|
|
|
fbunlock(0);
|
|
}
|
|
#endif /* NFB > 0 */
|