650 lines
15 KiB
C
650 lines
15 KiB
C
/* $NetBSD: grf_dv.c,v 1.7 1996/03/03 16:48:56 thorpej Exp $ */
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/*
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* Copyright (c) 1996 Jason R. Thorpe. All rights reserved.
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990, 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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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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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: Utah $Hdr: grf_dv.c 1.12 93/08/13$
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*
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* @(#)grf_dv.c 8.4 (Berkeley) 1/12/94
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*/
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#include "grf.h"
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#if NGRF > 0
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/*
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* Graphics routines for the DaVinci, HP98730/98731 Graphics system.
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*/
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/errno.h>
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#include <sys/proc.h>
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#include <sys/ioctl.h>
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#include <sys/tty.h>
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#include <sys/systm.h>
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#include <machine/autoconf.h>
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#include <machine/cpu.h>
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#include <dev/cons.h>
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#include <hp300/dev/grfioctl.h>
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#include <hp300/dev/grfvar.h>
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#include <hp300/dev/grfreg.h>
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#include <hp300/dev/grf_dvreg.h>
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#include <hp300/dev/itevar.h>
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#include <hp300/dev/itereg.h>
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#include "ite.h"
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int dv_init __P((struct grf_data *, int, caddr_t));
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int dv_mode __P((struct grf_data *, int, caddr_t));
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void dv_reset __P((struct dvboxfb *));
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/* DaVinci grf switch */
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struct grfsw dvbox_grfsw = {
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GID_DAVINCI, GRFDAVINCI, "davinci", dv_init, dv_mode
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};
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#if NITE > 0
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void dvbox_init __P((struct ite_data *));
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void dvbox_deinit __P((struct ite_data *));
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void dvbox_putc __P((struct ite_data *, int, int, int, int));
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void dvbox_cursor __P((struct ite_data *, int));
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void dvbox_clear __P((struct ite_data *, int, int, int, int));
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void dvbox_scroll __P((struct ite_data *, int, int, int, int));
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void dvbox_windowmove __P((struct ite_data *, int, int, int, int,
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int, int, int));
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/* DaVinci ite switch */
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struct itesw dvbox_itesw = {
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dvbox_init, dvbox_deinit, dvbox_clear, dvbox_putc,
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dvbox_cursor, dvbox_scroll, ite_readbyte, ite_writeglyph
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};
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#endif /* NITE > 0 */
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/*
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* Initialize hardware.
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* Must point g_display at a grfinfo structure describing the hardware.
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* Returns 0 if hardware not present, non-zero ow.
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*/
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int
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dv_init(gp, scode, addr)
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struct grf_data *gp;
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int scode;
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caddr_t addr;
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{
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register struct dvboxfb *dbp;
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struct grfinfo *gi = &gp->g_display;
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int fboff;
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extern caddr_t sctopa(), iomap();
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/*
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* If the console has been initialized, and it was us, there's
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* no need to repeat this.
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*/
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if (consinit_active || (scode != conscode)) {
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dbp = (struct dvboxfb *) addr;
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if (ISIIOVA(addr))
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gi->gd_regaddr = (caddr_t) IIOP(addr);
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else
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gi->gd_regaddr = sctopa(scode);
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gi->gd_regsize = 0x20000;
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gi->gd_fbwidth = (dbp->fbwmsb << 8) | dbp->fbwlsb;
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gi->gd_fbheight = (dbp->fbhmsb << 8) | dbp->fbhlsb;
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gi->gd_fbsize = gi->gd_fbwidth * gi->gd_fbheight;
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fboff = (dbp->fbomsb << 8) | dbp->fbolsb;
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gi->gd_fbaddr = (caddr_t) (*((u_char *)addr + fboff) << 16);
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if (gi->gd_regaddr >= (caddr_t)DIOIIBASE) {
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/*
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* For DIO II space the fbaddr just computed is
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* the offset from the select code base (regaddr)
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* of the framebuffer. Hence it is also implicitly
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* the size of the register set.
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*/
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gi->gd_regsize = (int) gi->gd_fbaddr;
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gi->gd_fbaddr += (int) gi->gd_regaddr;
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gp->g_regkva = addr;
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gp->g_fbkva = addr + gi->gd_regsize;
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} else {
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/*
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* For DIO space we need to map the seperate
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* framebuffer.
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*/
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gp->g_regkva = addr;
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gp->g_fbkva = iomap(gi->gd_fbaddr, gi->gd_fbsize);
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}
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gi->gd_dwidth = (dbp->dwmsb << 8) | dbp->dwlsb;
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gi->gd_dheight = (dbp->dwmsb << 8) | dbp->dwlsb;
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gi->gd_planes = 0; /* ?? */
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gi->gd_colors = 256;
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dv_reset(dbp);
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}
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return(1);
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}
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/*
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* Magic code herein.
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*/
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void
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dv_reset(dbp)
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struct dvboxfb *dbp;
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{
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dbp->reset = 0x80;
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DELAY(100);
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dbp->interrupt = 0x04;
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dbp->en_scan = 0x01;
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dbp->fbwen = ~0;
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dbp->opwen = ~0;
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dbp->fold = 0x01;
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dbp->drive = 0x01;
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dbp->rep_rule = 0x33;
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dbp->alt_rr = 0x33;
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dbp->zrr = 0x33;
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dbp->fbvenp = 0xFF;
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dbp->dispen = 0x01;
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dbp->fbvens = 0x0;
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dbp->fv_trig = 0x01;
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DELAY(100);
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dbp->vdrive = 0x0;
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dbp->zconfig = 0x0;
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while (dbp->wbusy & 0x01)
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DELAY(100);
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dbp->cmapbank = 0;
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dbp->red0 = 0;
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dbp->red1 = 0;
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dbp->green0 = 0;
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dbp->green1 = 0;
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dbp->blue0 = 0;
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dbp->blue1 = 0;
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dbp->panxh = 0;
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dbp->panxl = 0;
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dbp->panyh = 0;
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dbp->panyl = 0;
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dbp->zoom = 0;
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dbp->cdwidth = 0x50;
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dbp->chstart = 0x52;
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dbp->cvwidth = 0x22;
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dbp->pz_trig = 1;
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}
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/*
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* Change the mode of the display.
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* Right now all we can do is grfon/grfoff.
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* Return a UNIX error number or 0 for success.
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*/
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int
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dv_mode(gp, cmd, data)
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struct grf_data *gp;
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int cmd;
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caddr_t data;
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{
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register struct dvboxfb *dbp;
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int error = 0;
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dbp = (struct dvboxfb *) gp->g_regkva;
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switch (cmd) {
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case GM_GRFON:
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dbp->dispen = 0x01;
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break;
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case GM_GRFOFF:
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break;
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case GM_GRFOVON:
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dbp->opwen = 0xF;
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dbp->drive = 0x10;
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break;
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case GM_GRFOVOFF:
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dbp->opwen = 0;
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dbp->drive = 0x01;
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break;
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/*
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* Remember UVA of mapping for GCDESCRIBE.
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* XXX this should be per-process.
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*/
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case GM_MAP:
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gp->g_data = data;
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break;
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case GM_UNMAP:
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gp->g_data = 0;
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break;
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#ifdef COMPAT_HPUX
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case GM_DESCRIBE:
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{
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struct grf_fbinfo *fi = (struct grf_fbinfo *)data;
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struct grfinfo *gi = &gp->g_display;
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int i;
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/* feed it what HP-UX expects */
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fi->id = gi->gd_id;
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fi->mapsize = gi->gd_fbsize;
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fi->dwidth = gi->gd_dwidth;
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fi->dlength = gi->gd_dheight;
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fi->width = gi->gd_fbwidth;
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fi->length = gi->gd_fbheight;
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fi->bpp = NBBY;
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fi->xlen = (fi->width * fi->bpp) / NBBY;
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fi->npl = gi->gd_planes;
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fi->bppu = fi->npl;
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fi->nplbytes = fi->xlen * ((fi->length * fi->bpp) / NBBY);
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bcopy("HP98730", fi->name, 8);
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fi->attr = 2; /* HW block mover */
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/*
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* If mapped, return the UVA where mapped.
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*/
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if (gp->g_data) {
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fi->regbase = gp->g_data;
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fi->fbbase = fi->regbase + gp->g_display.gd_regsize;
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} else {
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fi->fbbase = 0;
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fi->regbase = 0;
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}
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for (i = 0; i < 6; i++)
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fi->regions[i] = 0;
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break;
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}
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#endif
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default:
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error = EINVAL;
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break;
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}
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return(error);
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}
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#if NITE > 0
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/*
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* DaVinci ite routines
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*/
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#define REGBASE ((struct dvboxfb *)(ip->regbase))
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#define WINDOWMOVER dvbox_windowmove
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void
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dvbox_init(ip)
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register struct ite_data *ip;
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{
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int i;
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/* XXX */
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if (ip->regbase == 0) {
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struct grf_data *gp = ip->grf;
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ip->regbase = gp->g_regkva;
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ip->fbbase = gp->g_fbkva;
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ip->fbwidth = gp->g_display.gd_fbwidth;
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ip->fbheight = gp->g_display.gd_fbheight;
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ip->dwidth = gp->g_display.gd_dwidth;
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ip->dheight = gp->g_display.gd_dheight;
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/*
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* XXX some displays (e.g. the davinci) appear
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* to return a display height greater than the
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* returned FB height. Guess we should go back
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* to getting the display dimensions from the
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* fontrom...
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*/
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if (ip->dwidth > ip->fbwidth)
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ip->dwidth = ip->fbwidth;
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if (ip->dheight > ip->fbheight)
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ip->dheight = ip->fbheight;
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}
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dv_reset((struct dvboxfb *)ip->regbase);
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/*
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* Turn on frame buffer, turn on overlay planes, set replacement
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* rule, enable top overlay plane writes for ite, disable all frame
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* buffer planes, set byte per pixel, and display frame buffer 0.
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* Lastly, turn on the box.
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*/
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REGBASE->interrupt = 0x04;
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REGBASE->drive = 0x10;
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REGBASE->rep_rule = RR_COPY << 4 | RR_COPY;
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REGBASE->opwen = 0x01;
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REGBASE->fbwen = 0x0;
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REGBASE->fold = 0x01;
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REGBASE->vdrive = 0x0;
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REGBASE->dispen = 0x01;
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/*
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* Video enable top overlay plane.
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*/
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REGBASE->opvenp = 0x01;
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REGBASE->opvens = 0x01;
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/*
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* Make sure that overlay planes override frame buffer planes.
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*/
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REGBASE->ovly0p = 0x0;
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REGBASE->ovly0s = 0x0;
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REGBASE->ovly1p = 0x0;
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REGBASE->ovly1s = 0x0;
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REGBASE->fv_trig = 0x1;
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DELAY(100);
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/*
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* Setup the overlay colormaps. Need to set the 0,1 (black/white)
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* color for both banks.
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*/
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for (i = 0; i <= 1; i++) {
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REGBASE->cmapbank = i;
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REGBASE->rgb[0].red = 0x00;
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REGBASE->rgb[0].green = 0x00;
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REGBASE->rgb[0].blue = 0x00;
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REGBASE->rgb[1].red = 0xFF;
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REGBASE->rgb[1].green = 0xFF;
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REGBASE->rgb[1].blue = 0xFF;
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}
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REGBASE->cmapbank = 0;
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db_waitbusy(ip->regbase);
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ite_fontinfo(ip);
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ite_fontinit(ip);
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/*
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* Clear the (visible) framebuffer.
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*/
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dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
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db_waitbusy(ip->regbase);
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/*
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* Stash the inverted cursor.
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*/
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dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
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ip->cblanky, ip->cblankx, ip->ftheight,
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ip->ftwidth, RR_COPYINVERTED);
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}
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void
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dvbox_deinit(ip)
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register struct ite_data *ip;
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{
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dvbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
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db_waitbusy(ip->regbase);
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ip->flags &= ~ITE_INITED;
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}
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void
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dvbox_putc(ip, c, dy, dx, mode)
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struct ite_data *ip;
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int dy, dx, c, mode;
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{
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register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
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dvbox_windowmove(ip, charY(ip, c), charX(ip, c),
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dy * ip->ftheight, dx * ip->ftwidth,
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ip->ftheight, ip->ftwidth, wrr);
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}
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void
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dvbox_cursor(ip, flag)
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struct ite_data *ip;
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int flag;
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{
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if (flag == DRAW_CURSOR)
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draw_cursor(ip)
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else if (flag == MOVE_CURSOR) {
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erase_cursor(ip)
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draw_cursor(ip)
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}
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else
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erase_cursor(ip)
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}
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void
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dvbox_clear(ip, sy, sx, h, w)
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struct ite_data *ip;
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int sy, sx, h, w;
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{
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dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
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sy * ip->ftheight, sx * ip->ftwidth,
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h * ip->ftheight, w * ip->ftwidth,
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RR_CLEAR);
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}
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void
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dvbox_scroll(ip, sy, sx, count, dir)
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struct ite_data *ip;
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int sy, count, dir, sx;
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{
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register int dy;
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register int dx = sx;
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register int height = 1;
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register int width = ip->cols;
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if (dir == SCROLL_UP) {
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dy = sy - count;
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height = ip->rows - sy;
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}
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else if (dir == SCROLL_DOWN) {
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dy = sy + count;
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height = ip->rows - dy - 1;
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}
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else if (dir == SCROLL_RIGHT) {
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dy = sy;
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dx = sx + count;
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width = ip->cols - dx;
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}
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else {
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dy = sy;
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dx = sx - count;
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width = ip->cols - sx;
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}
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dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
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dy * ip->ftheight, dx * ip->ftwidth,
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height * ip->ftheight,
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width * ip->ftwidth, RR_COPY);
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}
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void
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dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
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struct ite_data *ip;
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int sy, sx, dy, dx, h, w, func;
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{
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register struct dvboxfb *dp = REGBASE;
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if (h == 0 || w == 0)
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return;
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db_waitbusy(ip->regbase);
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dp->rep_rule = func << 4 | func;
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dp->source_y = sy;
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dp->source_x = sx;
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dp->dest_y = dy;
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dp->dest_x = dx;
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dp->wheight = h;
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dp->wwidth = w;
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dp->wmove = 1;
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}
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/*
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* DaVinci console support
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*/
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int
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dvbox_console_scan(scode, va, arg)
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|
int scode;
|
|
caddr_t va;
|
|
void *arg;
|
|
{
|
|
struct grfreg *grf = (struct grfreg *)va;
|
|
struct consdev *cp = arg;
|
|
u_char *dioiidev;
|
|
int force = 0, pri;
|
|
|
|
if ((grf->gr_id == GRFHWID) && (grf->gr_id2 == GID_DAVINCI)) {
|
|
pri = CN_NORMAL;
|
|
|
|
#ifdef CONSCODE
|
|
/*
|
|
* Raise our priority, if appropriate.
|
|
*/
|
|
if (scode == CONSCODE) {
|
|
pri = CN_REMOTE;
|
|
force = conforced = 1;
|
|
}
|
|
#endif
|
|
|
|
/* Only raise priority. */
|
|
if (pri > cp->cn_pri)
|
|
cp->cn_pri = pri;
|
|
|
|
/*
|
|
* If our priority is higher than the currently-remembered
|
|
* console, stash our priority.
|
|
*/
|
|
if (((cn_tab == NULL) || (cp->cn_pri > cn_tab->cn_pri))
|
|
|| force) {
|
|
cn_tab = cp;
|
|
if (scode >= 132) {
|
|
dioiidev = (u_char *)va;
|
|
return ((dioiidev[0x101] + 1) * 0x100000);
|
|
}
|
|
return (DIOCSIZE);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
dvboxcnprobe(cp)
|
|
struct consdev *cp;
|
|
{
|
|
int maj;
|
|
caddr_t va;
|
|
struct grfreg *grf;
|
|
int force = 0;
|
|
|
|
maj = ite_major();
|
|
|
|
/* initialize required fields */
|
|
cp->cn_dev = makedev(maj, 0); /* XXX */
|
|
cp->cn_pri = CN_DEAD;
|
|
|
|
/* Abort early if console is already forced. */
|
|
if (conforced)
|
|
return;
|
|
|
|
/* Look for "internal" framebuffer. */
|
|
va = (caddr_t)IIOV(GRFIADDR);
|
|
grf = (struct grfreg *)va;
|
|
if (!badaddr(va) &&
|
|
((grf->gr_id == GRFHWID) && (grf->gr_id2 == GID_DAVINCI))) {
|
|
cp->cn_pri = CN_INTERNAL;
|
|
|
|
#ifdef CONSCODE
|
|
/*
|
|
* Raise our priority and save some work, if appropriate.
|
|
*/
|
|
if (CONSCODE == -1) {
|
|
cp->cn_pri = CN_REMOTE;
|
|
force = conforced = 1;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* If our priority is higher than the currently
|
|
* remembered console, stash our priority, and
|
|
* unmap whichever device might be currently mapped.
|
|
* Since we're internal, we set the saved size to 0
|
|
* so they don't attempt to unmap our fixed VA later.
|
|
*/
|
|
if (((cn_tab == NULL) || (cp->cn_pri > cn_tab->cn_pri))
|
|
|| force) {
|
|
cn_tab = cp;
|
|
if (convasize)
|
|
iounmap(conaddr, convasize);
|
|
conscode = -1;
|
|
conaddr = va;
|
|
convasize = 0;
|
|
}
|
|
}
|
|
|
|
console_scan(dvbox_console_scan, cp);
|
|
}
|
|
|
|
void
|
|
dvboxcninit(cp)
|
|
struct consdev *cp;
|
|
{
|
|
struct ite_data *ip = &ite_cn;
|
|
struct grf_data *gp = &grf_cn;
|
|
|
|
/*
|
|
* Initialize the framebuffer hardware.
|
|
*/
|
|
(void)dv_init(gp, conscode, conaddr);
|
|
|
|
/*
|
|
* Set up required grf data.
|
|
*/
|
|
gp->g_sw = &dvbox_grfsw;
|
|
gp->g_display.gd_id = gp->g_sw->gd_swid;
|
|
gp->g_flags = GF_ALIVE;
|
|
|
|
/*
|
|
* Set up required ite data and initialize ite.
|
|
*/
|
|
ip->isw = &dvbox_itesw;
|
|
ip->grf = gp;
|
|
ip->flags = ITE_ALIVE|ITE_CONSOLE|ITE_ACTIVE|ITE_ISCONS;
|
|
ip->attrbuf = console_attributes;
|
|
iteinit(ip);
|
|
|
|
kbd_ite = ip; /* XXX */
|
|
}
|
|
|
|
#endif /* NITE > 0 */
|
|
#endif /* NGRF > 0 */
|