593 lines
14 KiB
C
593 lines
14 KiB
C
/* $NetBSD: grf_gb.c,v 1.8 1996/10/05 05:22:05 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 $Hdr: grf_gb.c 1.18 93/08/13$
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*
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* @(#)grf_gb.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 Gatorbox.
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*
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* Note: In the context of this system, "gator" and "gatorbox" both refer to
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* HP 987x0 graphics systems. "Gator" is not used for high res mono.
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* (as in 9837 Gator systems)
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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_gbreg.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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#define CRTC_DATA_LENGTH 0x0e
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u_char crtc_init_data[CRTC_DATA_LENGTH] = {
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0x29, 0x20, 0x23, 0x04, 0x30, 0x0b, 0x30,
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0x30, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00
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};
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int gb_init __P((struct grf_data *gp, int, caddr_t));
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int gb_mode __P((struct grf_data *gp, int, caddr_t));
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void gb_microcode __P((struct gboxfb *));
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/* Gatorbox grf switch */
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struct grfsw gbox_grfsw = {
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GID_GATORBOX, GRFGATOR, "gatorbox", gb_init, gb_mode
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};
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#if NITE > 0
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void gbox_init __P((struct ite_data *));
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void gbox_deinit __P((struct ite_data *));
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void gbox_putc __P((struct ite_data *, int, int, int, int));
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void gbox_cursor __P((struct ite_data *, int));
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void gbox_clear __P((struct ite_data *, int, int, int, int));
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void gbox_scroll __P((struct ite_data *, int, int, int, int));
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void gbox_windowmove __P((struct ite_data *, int, int, int, int,
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int, int, int));
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/* Gatorbox ite switch */
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struct itesw gbox_itesw = {
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gbox_init, gbox_deinit, gbox_clear, gbox_putc,
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gbox_cursor, gbox_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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gb_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 gboxfb *gbp;
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struct grfinfo *gi = &gp->g_display;
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u_char *fbp, save;
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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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gbp = (struct gboxfb *) 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 = 0x10000;
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gi->gd_fbwidth = 1024; /* XXX */
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gi->gd_fbheight = 1024; /* XXX */
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gi->gd_fbsize = gi->gd_fbwidth * gi->gd_fbheight;
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fboff = (gbp->fbomsb << 8) | gbp->fbolsb;
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gi->gd_fbaddr = (caddr_t) (*((u_char *)addr + fboff) << 16);
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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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gi->gd_dwidth = 1024; /* XXX */
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gi->gd_dheight = 768; /* XXX */
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gi->gd_planes = 0; /* how do we do this? */
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/*
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* The minimal register info here is from the Gatorbox X driver.
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*/
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fbp = (u_char *) gp->g_fbkva;
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gbp->write_protect = 0;
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gbp->interrupt = 4; /** fb_enable ? **/
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gbp->rep_rule = 3; /* GXcopy */
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gbp->blink1 = 0xff;
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gbp->blink2 = 0xff;
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gb_microcode(gbp);
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/*
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* Find out how many colors are available by determining
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* which planes are installed. That is, write all ones to
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* a frame buffer location, see how many ones are read back.
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*/
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save = *fbp;
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*fbp = 0xFF;
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gi->gd_colors = *fbp + 1;
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*fbp = save;
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}
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return(1);
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}
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/*
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* Program the 6845.
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*/
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void
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gb_microcode(gbp)
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struct gboxfb *gbp;
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{
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register int i;
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for (i = 0; i < CRTC_DATA_LENGTH; i++) {
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gbp->crtc_address = i;
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gbp->crtc_data = crtc_init_data[i];
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}
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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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gb_mode(gp, cmd, data)
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register 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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struct gboxfb *gbp;
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int error = 0;
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gbp = (struct gboxfb *)gp->g_regkva;
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switch (cmd) {
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case GM_GRFON:
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gbp->sec_interrupt = 1;
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break;
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case GM_GRFOFF:
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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("HP98700", 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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* Gatorbox ite routines
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*/
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#define REGBASE ((struct gboxfb *)(ip->regbase))
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#define WINDOWMOVER gbox_windowmove
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void
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gbox_init(ip)
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register struct ite_data *ip;
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{
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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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REGBASE->write_protect = 0x0;
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REGBASE->interrupt = 0x4;
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REGBASE->rep_rule = RR_COPY;
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REGBASE->blink1 = 0xff;
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REGBASE->blink2 = 0xff;
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gb_microcode((struct gboxfb *)ip->regbase);
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REGBASE->sec_interrupt = 0x01;
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/*
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* Set up the color map entries. We use three entries in the
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* color map. The first, is for black, the second is for
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* white, and the very last entry is for the inverted cursor.
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*/
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REGBASE->creg_select = 0x00;
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REGBASE->cmap_red = 0x00;
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REGBASE->cmap_grn = 0x00;
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REGBASE->cmap_blu = 0x00;
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REGBASE->cmap_write = 0x00;
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gbcm_waitbusy(ip->regbase);
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REGBASE->creg_select = 0x01;
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REGBASE->cmap_red = 0xFF;
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REGBASE->cmap_grn = 0xFF;
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REGBASE->cmap_blu = 0xFF;
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REGBASE->cmap_write = 0x01;
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gbcm_waitbusy(ip->regbase);
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REGBASE->creg_select = 0xFF;
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REGBASE->cmap_red = 0xFF;
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REGBASE->cmap_grn = 0xFF;
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REGBASE->cmap_blu = 0xFF;
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REGBASE->cmap_write = 0x01;
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gbcm_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 display. This used to be before the font unpacking
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* but it crashes. Figure it out later.
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*/
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gbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
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tile_mover_waitbusy(ip->regbase);
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/*
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* Stash the inverted cursor.
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*/
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gbox_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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gbox_deinit(ip)
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struct ite_data *ip;
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{
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gbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
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tile_mover_waitbusy(ip->regbase);
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ip->flags &= ~ITE_INITED;
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}
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void
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gbox_putc(ip, c, dy, dx, mode)
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struct ite_data *ip;
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int dy, dx;
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int c, mode;
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{
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register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
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gbox_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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gbox_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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gbox_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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gbox_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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#define gbox_blockmove(ip, sy, sx, dy, dx, h, w) \
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gbox_windowmove((ip), \
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(sy) * ip->ftheight, \
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(sx) * ip->ftwidth, \
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(dy) * ip->ftheight, \
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(dx) * ip->ftwidth, \
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(h) * ip->ftheight, \
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(w) * ip->ftwidth, \
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RR_COPY)
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void
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gbox_scroll(ip, sy, sx, count, dir)
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struct ite_data *ip;
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int sy, dir, sx, count;
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{
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register int height, dy, i;
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tile_mover_waitbusy(ip->regbase);
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REGBASE->write_protect = 0x0;
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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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for (i = 0; i < height; i++)
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gbox_blockmove(ip, sy + i, sx, dy + i, 0, 1, ip->cols);
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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;
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for (i = (height - 1); i >= 0; i--)
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gbox_blockmove(ip, sy + i, sx, dy + i, 0, 1, ip->cols);
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}
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else if (dir == SCROLL_RIGHT) {
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gbox_blockmove(ip, sy, sx, sy, sx + count,
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1, ip->cols - (sx + count));
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}
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else {
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gbox_blockmove(ip, sy, sx, sy, sx - count,
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1, ip->cols - sx);
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}
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}
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void
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gbox_windowmove(ip, sy, sx, dy, dx, h, w, mask)
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struct ite_data *ip;
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int sy, sx, dy, dx, mask, h, w;
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{
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register int src, dest;
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src = (sy * 1024) + sx; /* upper left corner in pixels */
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dest = (dy * 1024) + dx;
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tile_mover_waitbusy(ip->regbase);
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REGBASE->width = -(w / 4);
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REGBASE->height = -(h / 4);
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if (src < dest)
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REGBASE->rep_rule = MOVE_DOWN_RIGHT|mask;
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else {
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REGBASE->rep_rule = MOVE_UP_LEFT|mask;
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/*
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* Adjust to top of lower right tile of the block.
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*/
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src = src + ((h - 4) * 1024) + (w - 4);
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dest= dest + ((h - 4) * 1024) + (w - 4);
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}
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FBBASE[dest] = FBBASE[src];
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}
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/*
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* Gatorbox console support
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*/
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int
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gbox_console_scan(scode, va, arg)
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int scode;
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caddr_t va;
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void *arg;
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{
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struct grfreg *grf = (struct grfreg *)va;
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struct consdev *cp = arg;
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u_char *dioiidev;
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int force = 0, pri;
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if ((grf->gr_id == GRFHWID) && (grf->gr_id2 == GID_GATORBOX)) {
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pri = CN_NORMAL;
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#ifdef CONSCODE
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/*
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* Raise our priority, if appropriate.
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*/
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if (scode == CONSCODE) {
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pri = CN_REMOTE;
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force = conforced = 1;
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}
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#endif
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/* Only raise priority. */
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if (pri > cp->cn_pri)
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cp->cn_pri = pri;
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/*
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* If our priority is higher than the currently-remembered
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* console, stash our priority.
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*/
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if (((cn_tab == NULL) || (cp->cn_pri > cn_tab->cn_pri))
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|| force) {
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cn_tab = cp;
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if (scode >= 132) {
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dioiidev = (u_char *)va;
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return ((dioiidev[0x101] + 1) * 0x100000);
|
|
}
|
|
return (DIOCSIZE);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
gboxcnprobe(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 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_GATORBOX))) {
|
|
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(gbox_console_scan, cp);
|
|
}
|
|
|
|
void
|
|
gboxcninit(cp)
|
|
struct consdev *cp;
|
|
{
|
|
struct grf_data *gp = &grf_cn;
|
|
|
|
/*
|
|
* Initialize the framebuffer hardware.
|
|
*/
|
|
(void)gb_init(gp, conscode, conaddr);
|
|
|
|
/*
|
|
* Set up required grf data.
|
|
*/
|
|
gp->g_sw = &gbox_grfsw;
|
|
gp->g_display.gd_id = gp->g_sw->gd_swid;
|
|
gp->g_flags = GF_ALIVE;
|
|
|
|
/*
|
|
* Initialize the terminal emulator.
|
|
*/
|
|
itecninit(gp, &gbox_itesw);
|
|
}
|
|
|
|
#endif /* NITE > 0 */
|
|
#endif /* NGRF > 0 */
|