/* $OpenBSD: gbox.c,v 1.4 2005/01/16 16:14:10 miod Exp $ */ /* * Copyright (c) 2005, Miodrag Vallat * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ /* * Copyright (c) 1996 Jason R. Thorpe. All rights reserved. * Copyright (c) 1988 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. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: Utah $Hdr: grf_gb.c 1.18 93/08/13$ * * @(#)grf_gb.c 8.4 (Berkeley) 1/12/94 */ /* * Graphics routines for the Gatorbox. * * Note: In the context of this system, "gator" and "gatorbox" both refer to * HP 987x0 graphics systems. "Gator" is not used for high res mono. * (as in 9837 Gator systems) */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct gbox_softc { struct device sc_dev; struct diofb *sc_fb; struct diofb sc_fb_store; int sc_scode; }; int gbox_dio_match(struct device *, void *, void *); void gbox_dio_attach(struct device *, struct device *, void *); int gbox_intio_match(struct device *, void *, void *); void gbox_intio_attach(struct device *, struct device *, void *); struct cfattach gbox_dio_ca = { sizeof(struct gbox_softc), gbox_dio_match, gbox_dio_attach }; struct cfattach gbox_intio_ca = { sizeof(struct gbox_softc), gbox_intio_match, gbox_intio_attach }; struct cfdriver gbox_cd = { NULL, "gbox", DV_DULL }; int gbox_reset(struct diofb *, int, struct diofbreg *); void gbox_windowmove(struct diofb *, u_int16_t, u_int16_t, u_int16_t, u_int16_t, u_int16_t, u_int16_t, int); int gbox_ioctl(void *, u_long, caddr_t, int, struct proc *); void gbox_burner(void *, u_int, u_int); struct wsdisplay_accessops gbox_accessops = { gbox_ioctl, diofb_mmap, diofb_alloc_screen, diofb_free_screen, diofb_show_screen, NULL, /* load_font */ NULL, /* scrollback */ NULL, /* getchar */ gbox_burner }; /* * Attachment glue */ int gbox_intio_match(struct device *parent, void *match, void *aux) { struct intio_attach_args *ia = aux; struct diofbreg *fbr; fbr = (struct diofbreg *)IIOV(GRFIADDR); if (badaddr((caddr_t)fbr)) return (0); if (fbr->id == GRFHWID && fbr->id2 == GID_GATORBOX) { ia->ia_addr = (caddr_t)GRFIADDR; return (1); } return (0); } void gbox_intio_attach(struct device *parent, struct device *self, void *aux) { struct gbox_softc *sc = (struct gbox_softc *)self; struct diofbreg *fbr; fbr = (struct diofbreg *)IIOV(GRFIADDR); sc->sc_scode = -1; /* XXX internal i/o */ if (sc->sc_scode == conscode) { sc->sc_fb = &diofb_cn; } else { sc->sc_fb = &sc->sc_fb_store; gbox_reset(sc->sc_fb, sc->sc_scode, fbr); } diofb_end_attach(sc, &gbox_accessops, sc->sc_fb, sc->sc_scode == conscode, 0, NULL); } int gbox_dio_match(struct device *parent, void *match, void *aux) { struct dio_attach_args *da = aux; /* We can not appear in DIO-II space */ if (DIO_ISDIOII(da->da_scode)) return (0); if (da->da_id == DIO_DEVICE_ID_FRAMEBUFFER && da->da_secid == DIO_DEVICE_SECID_GATORBOX) return (1); return (0); } void gbox_dio_attach(struct device *parent, struct device *self, void *aux) { struct gbox_softc *sc = (struct gbox_softc *)self; struct dio_attach_args *da = aux; struct diofbreg * fbr; sc->sc_scode = da->da_scode; if (sc->sc_scode == conscode) { fbr = (struct diofbreg *)conaddr; /* already mapped */ sc->sc_fb = &diofb_cn; } else { sc->sc_fb = &sc->sc_fb_store; fbr = (struct diofbreg *) iomap(dio_scodetopa(sc->sc_scode), da->da_size); if (fbr == NULL || gbox_reset(sc->sc_fb, sc->sc_scode, fbr) != 0) { printf(": can't map framebuffer\n"); return; } } diofb_end_attach(sc, &gbox_accessops, sc->sc_fb, sc->sc_scode == conscode, 0, NULL); } /* * Initialize hardware and display routines. */ const u_int8_t crtc_init_data[] = { 0x29, 0x20, 0x23, 0x04, 0x30, 0x0b, 0x30, 0x30, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00 }; int gbox_reset(struct diofb *fb, int scode, struct diofbreg *fbr) { volatile struct gboxfb *gb = (struct gboxfb *)fbr; u_int8_t *fbp, save; int rc; int i; /* XXX don't trust hardware, force defaults */ fb->fbwidth = 1024; fb->fbheight = 1024; fb->dwidth = 1024; fb->dheight = 768; if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0) return (rc); /* * The minimal info here is from the Gatorbox X driver. */ gb->write_protect = 0x0; gb->interrupt = 0x4; gb->rep_rule = RR_COPY; gb->blink1 = 0xff; gb->blink2 = 0xff; /* * Program the 6845. */ for (i = 0; i < sizeof(crtc_init_data); i++) { gb->crtc_address = i; gb->crtc_data = crtc_init_data[i]; } /* * Find out how many colors are available by determining * which planes are installed. That is, write all ones to * a frame buffer location, see how many ones are read back. */ fbp = (u_int8_t *)fb->fbkva; save = *fbp; *fbp = 0x0ff; fb->planemask = *fbp; *fbp = save; for (fb->planes = 1; fb->planemask >= (1 << fb->planes); fb->planes++); /* * Set up the color map entries. We use three entries in the * color map. The first, is for black, the second is for * white, and the very last entry is for the inverted cursor. */ gb->creg_select = 0x00; gb->cmap_red = 0x00; gb->cmap_grn = 0x00; gb->cmap_blu = 0x00; gb->cmap_write = 0x00; gbcm_waitbusy(gb); gb->creg_select = 0x01; gb->cmap_red = 0xFF; gb->cmap_grn = 0xFF; gb->cmap_blu = 0xFF; gb->cmap_write = 0x01; gbcm_waitbusy(gb); /* XXX is the cursors entry necessary??? */ gb->creg_select = 0xFF; gb->cmap_red = 0xFF; gb->cmap_grn = 0xFF; gb->cmap_blu = 0xFF; gb->cmap_write = 0x01; gbcm_waitbusy(gb); fb->bmv = gbox_windowmove; diofb_fbsetup(fb); diofb_fontunpack(fb); tile_mover_waitbusy(gb); /* * Enable display. */ gb->sec_interrupt = 0x01; return (0); } int gbox_ioctl(void *v, u_long cmd, caddr_t data, int flags, struct proc *p) { struct diofb *fb = v; struct wsdisplay_fbinfo *wdf; switch (cmd) { case WSDISPLAYIO_GTYPE: *(u_int *)data = WSDISPLAY_TYPE_UNKNOWN; break; case WSDISPLAYIO_GINFO: wdf = (void *)data; wdf->height = fb->dheight; wdf->width = fb->dwidth; wdf->depth = fb->planes; wdf->cmsize = 1 << fb->planes; break; case WSDISPLAYIO_LINEBYTES: *(u_int *)data = (fb->fbwidth * fb->planes) >> 3; break; case WSDISPLAYIO_GETCMAP: case WSDISPLAYIO_PUTCMAP: /* XXX TBD */ break; case WSDISPLAYIO_GVIDEO: case WSDISPLAYIO_SVIDEO: break; default: return (-1); } return (0); } void gbox_burner(void *v, u_int on, u_int flags) { struct diofb *fb = v; volatile struct gboxfb *gb = (struct gboxfb *)fb->regkva; if (on) gb->sec_interrupt = 0x01; else gb->sec_interrupt = 0x00; } void gbox_windowmove(struct diofb *fb, u_int16_t sx, u_int16_t sy, u_int16_t dx, u_int16_t dy, u_int16_t cx, u_int16_t cy, int rop) { volatile struct gboxfb *gb = (struct gboxfb *)fb->regkva; int src, dest; src = (sy * 1024) + sx; /* upper left corner in pixels */ dest = (dy * 1024) + dx; tile_mover_waitbusy(gb); gb->width = -(cx / 4); gb->height = -(cy / 4); if (src < dest) gb->rep_rule = MOVE_DOWN_RIGHT | rop; else { gb->rep_rule = MOVE_UP_LEFT | rop; /* * Adjust to top of lower right tile of the block. */ src = src + ((cy - 4) * 1024) + (cx - 4); dest= dest + ((cy - 4) * 1024) + (cx - 4); } FBBASE(fb)[dest] = FBBASE(fb)[src]; } /* * Gatorbox console support */ int gbox_console_scan(int, caddr_t, void *); cons_decl(gbox); int gbox_console_scan(int scode, caddr_t va, void *arg) { struct diofbreg *fbr = (struct diofbreg *)va; struct consdev *cp = arg; int force = 0, pri; if (fbr->id != GRFHWID || fbr->id2 != GID_GATORBOX) return (0); 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; return (DIO_SIZE(scode, va)); } return (0); } void gboxcnprobe(struct consdev *cp) { int maj; caddr_t va; struct diofbreg *fbr; int force = 0; /* Abort early if console already forced. */ if (conforced) return; for (maj = 0; maj < nchrdev; maj++) { if (cdevsw[maj].d_open == wsdisplayopen) break; } if (maj == nchrdev) return; cp->cn_dev = makedev(maj, 0); cp->cn_pri = CN_DEAD; /* Look for "internal" framebuffer. */ va = (caddr_t)IIOV(GRFIADDR); fbr = (struct diofbreg *)va; if (!badaddr(va) && fbr->id == GRFHWID && fbr->id2 == GID_GATORBOX) { cp->cn_pri = CN_INTERNAL; #ifdef CONSCODE if (CONSCODE == -1) { 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, HP300_BUS_DIO); } void gboxcninit(cp) struct consdev *cp; { long defattr; gbox_reset(&diofb_cn, conscode, (struct diofbreg *)conaddr); diofb_alloc_attr(NULL, 0, 0, 0, &defattr); wsdisplay_cnattach(&diofb_cn.wsd, &diofb_cn, 0, 0, defattr); }