/* $OpenBSD: topcat.c,v 1.4 2005/01/18 19:17:03 miod Exp $ */ /* * Copyright (c) 2005, Miodrag Vallat. * All rights reserved. * * 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 $Hdr: grf_tc.c 1.20 93/08/13$ * * @(#)grf_tc.c 8.4 (Berkeley) 1/12/94 */ /* * Graphics routines for TOPCAT, CATSEYE and KATHMANDU frame buffers */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct topcat_softc { struct device sc_dev; struct diofb *sc_fb; struct diofb sc_fb_store; int sc_scode; }; int topcat_dio_match(struct device *, void *, void *); void topcat_dio_attach(struct device *, struct device *, void *); int topcat_intio_match(struct device *, void *, void *); void topcat_intio_attach(struct device *, struct device *, void *); struct cfattach topcat_dio_ca = { sizeof(struct topcat_softc), topcat_dio_match, topcat_dio_attach }; struct cfattach topcat_intio_ca = { sizeof(struct topcat_softc), topcat_intio_match, topcat_intio_attach }; struct cfdriver topcat_cd = { NULL, "topcat", DV_DULL }; void topcat_end_attach(struct topcat_softc *, u_int8_t); int topcat_getcmap(struct diofb *, struct wsdisplay_cmap *); int topcat_reset(struct diofb *, int, struct diofbreg *); void topcat_restore(struct diofb *); int topcat_setcmap(struct diofb *, struct wsdisplay_cmap *); void topcat_setcolor(struct diofb *, u_int); void topcat_windowmove(struct diofb *, u_int16_t, u_int16_t, u_int16_t, u_int16_t, u_int16_t, u_int16_t, int); int topcat_ioctl(void *, u_long, caddr_t, int, struct proc *); void topcat_burner(void *, u_int, u_int); struct wsdisplay_accessops topcat_accessops = { topcat_ioctl, diofb_mmap, diofb_alloc_screen, diofb_free_screen, diofb_show_screen, NULL, /* load_font */ NULL, /* scrollback */ NULL, /* getchar */ topcat_burner }; /* * Attachment glue */ int topcat_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) { switch (fbr->id2) { case GID_TOPCAT: case GID_LRCATSEYE: case GID_HRCCATSEYE: case GID_HRMCATSEYE: #if 0 case GID_XXXCATSEYE: #endif ia->ia_addr = (caddr_t)GRFIADDR; return (1); } } return (0); } void topcat_intio_attach(struct device *parent, struct device *self, void *aux) { struct topcat_softc *sc = (struct topcat_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; topcat_reset(sc->sc_fb, sc->sc_scode, fbr); } topcat_end_attach(sc, fbr->id2); } int topcat_dio_match(struct device *parent, void *match, void *aux) { struct dio_attach_args *da = aux; if (da->da_id == DIO_DEVICE_ID_FRAMEBUFFER) { switch (da->da_secid) { case DIO_DEVICE_SECID_TOPCAT: case DIO_DEVICE_SECID_LRCATSEYE: case DIO_DEVICE_SECID_HRCCATSEYE: case DIO_DEVICE_SECID_HRMCATSEYE: #if 0 case DIO_DEVICE_SECID_XXXCATSEYE: #endif return (1); } } return (0); } void topcat_dio_attach(struct device *parent, struct device *self, void *aux) { struct topcat_softc *sc = (struct topcat_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 || topcat_reset(sc->sc_fb, sc->sc_scode, fbr) != 0) { printf(": can't map framebuffer\n"); return; } } topcat_end_attach(sc, fbr->id2); } void topcat_end_attach(struct topcat_softc *sc, u_int8_t id) { const char *fbname = "unknown"; switch (id) { case GID_TOPCAT: switch (sc->sc_fb->planes) { case 1: fbname = "HP98544 topcat"; break; case 4: if (sc->sc_fb->dheight == 400) fbname = "HP98543 topcat"; else fbname = "HP98545 topcat"; break; case 6: fbname = "HP98547 topcat"; break; } break; case GID_HRCCATSEYE: fbname = "HP98550 catseye"; /* A1416 kathmandu */ break; case GID_LRCATSEYE: fbname = "HP98549 catseye"; break; case GID_HRMCATSEYE: fbname = "HP98548 catseye"; break; } diofb_end_attach(sc, &topcat_accessops, sc->sc_fb, sc->sc_scode == conscode, 0, fbname); } /* * Initialize hardware and display routines. */ int topcat_reset(struct diofb *fb, int scode, struct diofbreg *fbr) { volatile struct tcboxfb *tc = (struct tcboxfb *)fbr; int rc; if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0) return (rc); fb->planes = tc->num_planes; fb->planemask = (1 << fb->planes) - 1; /* * If we could not get a valid number of planes, determine it * by writing to the first frame buffer display location, * then reading it back. */ if (fb->planes == 0) { /* gee, no planes reported above */ volatile u_int8_t *fbp; u_int8_t save; fbp = (u_int8_t *)fb->fbkva; tc->fben = ~0; tc->wen = ~0; tc->ren = ~0; tc->prr = RR_COPY; save = *fbp; *fbp = 0xff; fb->planemask = *fbp; *fbp = save; for (fb->planes = 1; fb->planemask >= (1 << fb->planes); fb->planes++); } if (fb->planes > 8) fb->planes = 8; topcat_restore(fb); return (0); } void topcat_restore(struct diofb *fb) { volatile struct tcboxfb *tc = (struct tcboxfb *)fb->regkva; /* * Catseye looks a lot like a topcat, but not completely. * So, we set some bits to make it work. */ if (tc->fbid != GID_TOPCAT) { while ((tc->catseye_status & 1)) ; tc->catseye_status = 0x0; tc->vb_select = 0x0; tc->tcntrl = 0x0; tc->acntrl = 0x0; tc->pncntrl = 0x0; tc->rug_cmdstat = 0x90; } /* * Enable reading/writing of all the planes. */ tc->fben = fb->planemask; tc->wen = fb->planemask; tc->ren = fb->planemask; tc->prr = RR_COPY; fb->bmv = topcat_windowmove; diofb_fbsetup(fb); diofb_fontunpack(fb); /* * Initialize color map for color displays */ if (fb->planes > 1) { topcat_setcolor(fb, 0); topcat_setcolor(fb, 1); } /* * Enable display. */ tc->nblank = 0xff; } int topcat_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: return (topcat_getcmap(fb, (struct wsdisplay_cmap *)data)); case WSDISPLAYIO_PUTCMAP: return (topcat_setcmap(fb, (struct wsdisplay_cmap *)data)); case WSDISPLAYIO_GVIDEO: case WSDISPLAYIO_SVIDEO: break; default: return (-1); } return (0); } void topcat_burner(void *v, u_int on, u_int flags) { struct diofb *fb = v; volatile struct tcboxfb *tc = (struct tcboxfb *)fb->regkva; if (on) { tc->nblank = 0xff; } else { tc->nblank = 0; } } void topcat_setcolor(struct diofb *fb, u_int index) { volatile struct tcboxfb *tc = (struct tcboxfb *)fb->regkva; tccm_waitbusy(tc); tc->rdata = fb->cmap.r[index]; tc->gdata = fb->cmap.g[index]; tc->bdata = fb->cmap.b[index]; tc->cindex = 255 - index; tc->strobe = 0xff; tccm_waitbusy(tc); tc->rdata = 0; tc->gdata = 0; tc->bdata = 0; tc->cindex = 0; } int topcat_getcmap(struct diofb *fb, struct wsdisplay_cmap *cm) { u_int index = cm->index, count = cm->count; u_int colcount = 1 << fb->planes; int error; if (index >= colcount || count > colcount - index) return (EINVAL); if ((error = copyout(fb->cmap.r + index, cm->red, count)) != 0) return (error); if ((error = copyout(fb->cmap.g + index, cm->green, count)) != 0) return (error); if ((error = copyout(fb->cmap.b + index, cm->blue, count)) != 0) return (error); return (0); } int topcat_setcmap(struct diofb *fb, struct wsdisplay_cmap *cm) { u_int8_t r[256], g[256], b[256]; u_int index = cm->index, count = cm->count; u_int colcount = 1 << fb->planes; int error; if (index >= colcount || count > colcount - index) return (EINVAL); if ((error = copyin(cm->red, r, count)) != 0) return (error); if ((error = copyin(cm->green, g, count)) != 0) return (error); if ((error = copyin(cm->blue, b, count)) != 0) return (error); bcopy(r, fb->cmap.r + index, count); bcopy(g, fb->cmap.g + index, count); bcopy(b, fb->cmap.b + index, count); while (count-- != 0) topcat_setcolor(fb, index++); return (0); } /* * Accelerated routines */ void topcat_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 tcboxfb *tc = (struct tcboxfb *)fb->regkva; tc_waitbusy(tc, fb->planemask); tc->wmrr = rop; tc->source_y = sy; tc->source_x = sx; tc->dest_y = dy; tc->dest_x = dx; tc->wheight = cy; tc->wwidth = cx; tc->wmove = fb->planemask; } /* * Topcat/catseye console support */ int topcat_console_scan(int, caddr_t, void *); cons_decl(topcat); int topcat_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) return (0); switch (fbr->id2) { case GID_TOPCAT: case GID_LRCATSEYE: case GID_HRCCATSEYE: case GID_HRMCATSEYE: break; default: return (0); } pri = CN_INTERNAL; #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 topcatcnprobe(struct consdev *cp) { int maj; caddr_t va; struct diofbreg *fbr; int force = 0; /* Abort early if the console is 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)) { switch (fbr->id2) { case GID_TOPCAT: case GID_LRCATSEYE: case GID_HRCCATSEYE: case GID_HRMCATSEYE: 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(topcat_console_scan, cp, HP300_BUS_DIO); } void topcatcninit(struct consdev *cp) { long defattr; topcat_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); }