/* $OpenBSD: grf_hy.c,v 1.7 2000/11/10 15:33:05 provos Exp $ */ /* $NetBSD: grf_hy.c,v 1.9 1997/03/31 07:34:16 scottr Exp $ */ /* * Copyright (c) 1996 Jason R. Thorpe. All rights reserved. * Copyright (c) 1991 University of Utah. * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department and Mark Davies of the Department of Computer * Science, Victoria University of Wellington, New Zealand. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: Utah $Hdr: grf_hy.c 1.2 93/08/13$ * * @(#)grf_hy.c 8.4 (Berkeley) 1/12/94 */ /* * Graphics routines for HYPERION frame buffer */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ite.h" caddr_t badhyaddr = (caddr_t) -1; int hy_init __P((struct grf_data *gp, int, caddr_t)); int hy_mode __P((struct grf_data *gp, int, caddr_t)); void hyper_ite_fontinit __P((struct ite_data *)); int hyper_dio_match __P((struct device *, void *, void *)); void hyper_dio_attach __P((struct device *, struct device *, void *)); int hyper_console_scan __P((int, caddr_t, void *)); void hypercnprobe __P((struct consdev *cp)); void hypercninit __P((struct consdev *cp)); struct cfattach hyper_dio_ca = { sizeof(struct grfdev_softc), hyper_dio_match, hyper_dio_attach }; struct cfdriver hyper_cd = { NULL, "hyper", DV_DULL }; /* Hyperion grf switch */ struct grfsw hyper_grfsw = { GID_HYPERION, GRFHYPERION, "hyperion", hy_init, hy_mode }; #if NITE > 0 void hyper_init __P((struct ite_data *)); void hyper_deinit __P((struct ite_data *)); void hyper_int_fontinit __P((struct ite_data *)); void hyper_putc __P((struct ite_data *, int, int, int, int)); void hyper_cursor __P((struct ite_data *, int)); void hyper_clear __P((struct ite_data *, int, int, int, int)); void hyper_scroll __P((struct ite_data *, int, int, int, int)); void hyper_windowmove __P((struct ite_data *, int, int, int, int, int, int, int)); /* Hyperion ite switch */ struct itesw hyper_itesw = { hyper_init, hyper_deinit, hyper_clear, hyper_putc, hyper_cursor, hyper_scroll, ite_readbyte, ite_writeglyph }; #endif /* NITE > 0 */ int hyper_dio_match(parent, match, aux) struct device *parent; void *match, *aux; { struct dio_attach_args *da = aux; if (da->da_id == DIO_DEVICE_ID_FRAMEBUFFER && da->da_secid == DIO_DEVICE_SECID_HYPERION) return (1); return (0); } void hyper_dio_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct grfdev_softc *sc = (struct grfdev_softc *)self; struct dio_attach_args *da = aux; caddr_t grf; sc->sc_scode = da->da_scode; if (sc->sc_scode == conscode) grf = conaddr; else { grf = iomap(dio_scodetopa(sc->sc_scode), da->da_size); if (grf == 0) { printf("%s: can't map framebuffer\n", sc->sc_dev.dv_xname); return; } } #if NITE > 0 grfdev_attach(sc, hy_init, grf, &hyper_grfsw, &hyper_itesw); #else grfdev_attach(sc, hy_init, grf, &hyper_grfsw, NULL); #endif /* NITE > 0 */ } /* * Initialize hardware. * Must fill in the grfinfo structure in g_softc. * Returns 0 if hardware not present, non-zero ow. */ int hy_init(gp, scode, addr) struct grf_data *gp; int scode; caddr_t addr; { struct hyboxfb *hy = (struct hyboxfb *) addr; struct grfinfo *gi = &gp->g_display; int fboff; /* * If the console has been initialized, and it was us, there's * no need to repeat this. */ if (consinit_active || (scode != conscode)) { if (ISIIOVA(addr)) gi->gd_regaddr = (caddr_t) IIOP(addr); else gi->gd_regaddr = dio_scodetopa(scode); gi->gd_regsize = 0x20000; gi->gd_fbwidth = (hy->fbwmsb << 8) | hy->fbwlsb; gi->gd_fbheight = (hy->fbhmsb << 8) | hy->fbhlsb; gi->gd_fbsize = (gi->gd_fbwidth * gi->gd_fbheight) >> 3; fboff = (hy->fbomsb << 8) | hy->fbolsb; gi->gd_fbaddr = (caddr_t) (*((u_char *)addr + fboff) << 16); if (gi->gd_regaddr >= (caddr_t)DIOIIBASE) { /* * For DIO II space the fbaddr just computed is * the offset from the select code base (regaddr) * of the framebuffer. Hence it is also implicitly * the size of the register set. */ gi->gd_regsize = (int) gi->gd_fbaddr; gi->gd_fbaddr += (int) gi->gd_regaddr; gp->g_regkva = addr; gp->g_fbkva = addr + gi->gd_regsize; } else { /* * For DIO space we need to map the separate * framebuffer. */ gp->g_regkva = addr; gp->g_fbkva = iomap(gi->gd_fbaddr, gi->gd_fbsize); } gi->gd_dwidth = (hy->dwmsb << 8) | hy->dwlsb; gi->gd_dheight = (hy->dhmsb << 8) | hy->dhlsb; gi->gd_planes = hy->num_planes; gi->gd_colors = 1 << gi->gd_planes; } return(1); } /* * Change the mode of the display. * Right now all we can do is grfon/grfoff. * Return a UNIX error number or 0 for success. * Function may not be needed anymore. */ int hy_mode(gp, cmd, data) struct grf_data *gp; int cmd; caddr_t data; { int error = 0; switch (cmd) { case GM_GRFON: case GM_GRFOFF: break; /* * Remember UVA of mapping for GCDESCRIBE. * XXX this should be per-process. */ case GM_MAP: gp->g_data = data; break; case GM_UNMAP: gp->g_data = 0; break; #ifdef COMPAT_HPUX case GM_DESCRIBE: { struct grf_fbinfo *fi = (struct grf_fbinfo *)data; struct grfinfo *gi = &gp->g_display; int i; /* feed it what HP-UX expects */ fi->id = gi->gd_id; fi->mapsize = gi->gd_fbsize; fi->dwidth = gi->gd_dwidth; fi->dlength = gi->gd_dheight; fi->width = gi->gd_fbwidth; fi->length = gi->gd_fbheight; fi->bpp = NBBY; fi->xlen = (fi->width * fi->bpp) / NBBY; fi->npl = gi->gd_planes; fi->bppu = fi->npl; fi->nplbytes = fi->xlen * ((fi->length * fi->bpp) / NBBY); bcopy("A1096A", fi->name, 7); /* ?? */ fi->attr = 0; /* ?? */ /* * If mapped, return the UVA where mapped. */ if (gp->g_data) { fi->regbase = gp->g_data; fi->fbbase = fi->regbase + gp->g_display.gd_regsize; } else { fi->fbbase = 0; fi->regbase = 0; } for (i = 0; i < 6; i++) fi->regions[i] = 0; break; } #endif default: error = EINVAL; break; } return(error); } #if NITE > 0 /* * Hyperion ite routines */ #define REGBASE ((struct hyboxfb *)(ip->regbase)) #define WINDOWMOVER hyper_windowmove #undef charX #define charX(ip,c) \ (((c) % (ip)->cpl) * ((((ip)->ftwidth + 7) / 8) * 8) + (ip)->fontx) void hyper_init(ip) struct ite_data *ip; { int width; /* XXX */ if (ip->regbase == NULL) { struct grf_data *gp = ip->grf; ip->regbase = gp->g_regkva; ip->fbbase = gp->g_fbkva; ip->fbwidth = gp->g_display.gd_fbwidth; ip->fbheight = gp->g_display.gd_fbheight; ip->dwidth = gp->g_display.gd_dwidth; ip->dheight = gp->g_display.gd_dheight; } ite_fontinfo(ip); width = ((ip->ftwidth + 7) / 8) * 8; ip->cpl = (ip->fbwidth - ip->dwidth) / width; ip->cblanky = ip->fonty + ((128 / ip->cpl) +1) * ip->ftheight; /* * Clear the framebuffer on all planes. */ hyper_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR); hyper_ite_fontinit(ip); REGBASE->nblank = 0x05; /* * Stash the inverted cursor. */ hyper_windowmove(ip, charY(ip, ' '), charX(ip, ' '), ip->cblanky, ip->cblankx, ip->ftheight, ip->ftwidth, RR_COPYINVERTED); } void hyper_deinit(ip) struct ite_data *ip; { hyper_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR); REGBASE->nblank = 0x05; ip->flags &= ~ITE_INITED; } void hyper_ite_fontinit(ip) struct ite_data *ip; { u_char *fbmem, *dp; int c, l, b; int stride, width; dp = (u_char *)(getword(ip, getword(ip, FONTROM) + FONTADDR) + ip->regbase) + FONTDATA; stride = ip->fbwidth >> 3; width = (ip->ftwidth + 7) / 8; for (c = 0; c < 128; c++) { fbmem = (u_char *) FBBASE + (ip->fonty + (c / ip->cpl) * ip->ftheight) * stride; fbmem += (ip->fontx >> 3) + (c % ip->cpl) * width; for (l = 0; l < ip->ftheight; l++) { for (b = 0; b < width; b++) { *fbmem++ = *dp; dp += 2; } fbmem -= width; fbmem += stride; } } } void hyper_putc(ip, c, dy, dx, mode) struct ite_data *ip; int c, dy, dx, mode; { int wmrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY); hyper_windowmove(ip, charY(ip, c), charX(ip, c), dy * ip->ftheight, dx * ip->ftwidth, ip->ftheight, ip->ftwidth, wmrr); } void hyper_cursor(ip, flag) struct ite_data *ip; int flag; { if (flag == DRAW_CURSOR) draw_cursor(ip) else if (flag == MOVE_CURSOR) { erase_cursor(ip) draw_cursor(ip) } else erase_cursor(ip) } void hyper_clear(ip, sy, sx, h, w) struct ite_data *ip; int sy, sx, h, w; { hyper_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, sy * ip->ftheight, sx * ip->ftwidth, h * ip->ftheight, w * ip->ftwidth, RR_CLEAR); } void hyper_scroll(ip, sy, sx, count, dir) struct ite_data *ip; int sy, count, dir, sx; { int dy; int dx = sx; int height = 1; int width = ip->cols; if (dir == SCROLL_UP) { dy = sy - count; height = ip->rows - sy; } else if (dir == SCROLL_DOWN) { dy = sy + count; height = ip->rows - dy - 1; } else if (dir == SCROLL_RIGHT) { dy = sy; dx = sx + count; width = ip->cols - dx; } else { dy = sy; dx = sx - count; width = ip->cols - sx; } hyper_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, dy * ip->ftheight, dx * ip->ftwidth, height * ip->ftheight, width * ip->ftwidth, RR_COPY); } #include /* NOTE: * the first element in starttab could be 0xffffffff. making it 0 * lets us deal with a full first word in the middle loop, rather * than having to do the multiple reads and masks that we'd * have to do if we thought it was partial. */ int starttab[32] = { 0x00000000, 0x7FFFFFFF, 0x3FFFFFFF, 0x1FFFFFFF, 0x0FFFFFFF, 0x07FFFFFF, 0x03FFFFFF, 0x01FFFFFF, 0x00FFFFFF, 0x007FFFFF, 0x003FFFFF, 0x001FFFFF, 0x000FFFFF, 0x0007FFFF, 0x0003FFFF, 0x0001FFFF, 0x0000FFFF, 0x00007FFF, 0x00003FFF, 0x00001FFF, 0x00000FFF, 0x000007FF, 0x000003FF, 0x000001FF, 0x000000FF, 0x0000007F, 0x0000003F, 0x0000001F, 0x0000000F, 0x00000007, 0x00000003, 0x00000001 }; int endtab[32] = { 0x00000000, 0x80000000, 0xC0000000, 0xE0000000, 0xF0000000, 0xF8000000, 0xFC000000, 0xFE000000, 0xFF000000, 0xFF800000, 0xFFC00000, 0xFFE00000, 0xFFF00000, 0xFFF80000, 0xFFFC0000, 0xFFFE0000, 0xFFFF0000, 0xFFFF8000, 0xFFFFC000, 0xFFFFE000, 0xFFFFF000, 0xFFFFF800, 0xFFFFFC00, 0xFFFFFE00, 0xFFFFFF00, 0xFFFFFF80, 0xFFFFFFC0, 0xFFFFFFE0, 0xFFFFFFF0, 0xFFFFFFF8, 0xFFFFFFFC, 0xFFFFFFFE }; void hyper_windowmove(ip, sy, sx, dy, dx, h, w, func) struct ite_data *ip; int sy, sx, dy, dx, h, w, func; { int width; /* add to get to same position in next line */ unsigned int *psrcLine, *pdstLine; /* pointers to line with current src and dst */ unsigned int *psrc; /* pointer to current src longword */ unsigned int *pdst; /* pointer to current dst longword */ /* following used for looping through a line */ unsigned int startmask, endmask; /* masks for writing ends of dst */ int nlMiddle; /* whole longwords in dst */ int nl; /* temp copy of nlMiddle */ unsigned int tmpSrc; /* place to store full source word */ int xoffSrc; /* offset (>= 0, < 32) from which to fetch whole longwords fetched in src */ int nstart; /* number of ragged bits at start of dst */ int nend; /* number of ragged bits at end of dst */ int srcStartOver; /* pulling nstart bits from src overflows into the next word? */ if (h == 0 || w == 0) return; width = ip->fbwidth >> 5; if (sy < dy) /* start at last scanline of rectangle */ { psrcLine = ((unsigned int *) ip->fbbase) + ((sy+h-1) * width); pdstLine = ((unsigned int *) ip->fbbase) + ((dy+h-1) * width); width = -width; } else /* start at first scanline */ { psrcLine = ((unsigned int *) ip->fbbase) + (sy * width); pdstLine = ((unsigned int *) ip->fbbase) + (dy * width); } /* x direction doesn't matter for < 1 longword */ if (w <= 32) { int srcBit, dstBit; /* bit offset of src and dst */ pdstLine += (dx >> 5); psrcLine += (sx >> 5); psrc = psrcLine; pdst = pdstLine; srcBit = sx & 0x1f; dstBit = dx & 0x1f; while(h--) { getandputrop(psrc, srcBit, dstBit, w, pdst, func) pdst += width; psrc += width; } } else { maskbits(dx, w, startmask, endmask, nlMiddle) if (startmask) nstart = 32 - (dx & 0x1f); else nstart = 0; if (endmask) nend = (dx + w) & 0x1f; else nend = 0; xoffSrc = ((sx & 0x1f) + nstart) & 0x1f; srcStartOver = ((sx & 0x1f) + nstart) > 31; if (sx >= dx) /* move left to right */ { pdstLine += (dx >> 5); psrcLine += (sx >> 5); while (h--) { psrc = psrcLine; pdst = pdstLine; if (startmask) { getandputrop(psrc, (sx & 0x1f), (dx & 0x1f), nstart, pdst, func) pdst++; if (srcStartOver) psrc++; } /* special case for aligned operations */ if (xoffSrc == 0) { nl = nlMiddle; while (nl--) { DoRop (*pdst, func, *psrc++, *pdst); pdst++; } } else { nl = nlMiddle + 1; while (--nl) { getunalignedword (psrc, xoffSrc, tmpSrc) DoRop (*pdst, func, tmpSrc, *pdst); pdst++; psrc++; } } if (endmask) { getandputrop0(psrc, xoffSrc, nend, pdst, func); } pdstLine += width; psrcLine += width; } } else /* move right to left */ { pdstLine += ((dx + w) >> 5); psrcLine += ((sx + w) >> 5); /* if fetch of last partial bits from source crosses a longword boundary, start at the previous longword */ if (xoffSrc + nend >= 32) --psrcLine; while (h--) { psrc = psrcLine; pdst = pdstLine; if (endmask) { getandputrop0(psrc, xoffSrc, nend, pdst, func); } nl = nlMiddle + 1; while (--nl) { --psrc; --pdst; getunalignedword(psrc, xoffSrc, tmpSrc) DoRop(*pdst, func, tmpSrc, *pdst); } if (startmask) { if (srcStartOver) --psrc; --pdst; getandputrop(psrc, (sx & 0x1f), (dx & 0x1f), nstart, pdst, func) } pdstLine += width; psrcLine += width; } } /* move right to left */ } } /* * Hyperion console support */ int hyper_console_scan(scode, va, arg) 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_HYPERION)) { pri = CN_NORMAL; #ifdef CONSCODE /* * Raise our prioity, 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 hypercnprobe(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_HYPERION))) { 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(hyper_console_scan, cp); } void hypercninit(cp) struct consdev *cp; { struct grf_data *gp = &grf_cn; /* * Initialize the framebuffer hardware. */ (void)hy_init(gp, conscode, conaddr); /* * Set up required grf data. */ gp->g_sw = &hyper_grfsw; gp->g_display.gd_id = gp->g_sw->gd_swid; gp->g_flags = GF_ALIVE; /* * Initialize the terminal emulator. */ itecninit(gp, &hyper_itesw); } #endif /* NITE > 0 */