/* $NetBSD: topcat.c,v 1.15 2025/05/27 18:44:31 tsutsui Exp $ */ /* $OpenBSD: topcat.c,v 1.15 2006/08/11 18:33:13 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, 1997 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe. * * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /* * 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 { device_t sc_dev; struct diofb *sc_fb; struct diofb sc_fb_store; int sc_scode; }; static int topcat_dio_match(device_t, cfdata_t, void *); static void topcat_dio_attach(device_t, device_t, void *); static int topcat_intio_match(device_t, cfdata_t, void *); static void topcat_intio_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(topcat_dio, sizeof(struct topcat_softc), topcat_dio_match, topcat_dio_attach, NULL, NULL); CFATTACH_DECL_NEW(topcat_intio, sizeof(struct topcat_softc), topcat_intio_match, topcat_intio_attach, NULL, NULL); static void topcat_end_attach(struct topcat_softc *, uint8_t); static int topcat_reset(struct diofb *, int, struct diofbreg *); static void topcat_restore(struct diofb *); static int topcat_setcmap(struct diofb *, struct wsdisplay_cmap *); static void topcat_setcolor(struct diofb *, u_int); static int topcat_windowmove(struct diofb *, uint16_t, uint16_t, uint16_t, uint16_t, uint16_t, uint16_t, int16_t, int16_t); static int topcat_ioctl(void *, void *, u_long, void *, int, struct lwp *); static void topcat_putchar8(void *, int, int, u_int, long); static void topcat_putchar1_4(void *, int, int, u_int, long); static struct wsdisplay_accessops topcat_accessops = { .ioctl = topcat_ioctl, .mmap = diofb_mmap, .alloc_screen = diofb_alloc_screen, .free_screen = diofb_free_screen, .show_screen = diofb_show_screen, .load_font = NULL, }; /* * Attachment glue */ int topcat_intio_match(device_t parent, cfdata_t cf, void *aux) { struct intio_attach_args *ia = aux; struct diofbreg *fbr; if (strcmp("fb", ia->ia_modname) != 0) return 0; fbr = (struct diofbreg *)ia->ia_addr; if (badaddr((void *)fbr)) return 0; if (fbr->id == GRFHWID) { switch (fbr->fbid) { case GID_TOPCAT: case GID_LRCATSEYE: case GID_HRCCATSEYE: case GID_HRMCATSEYE: #if 0 case GID_XXXCATSEYE: #endif return 1; } } return 0; } void topcat_intio_attach(device_t parent, device_t self, void *aux) { struct topcat_softc *sc = device_private(self); struct intio_attach_args *ia = aux; struct diofbreg *fbr; sc->sc_dev = self; fbr = (struct diofbreg *)ia->ia_addr; sc->sc_scode = CONSCODE_INTERNAL; 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->fbid); } int topcat_dio_match(device_t parent, cfdata_t cf, 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(device_t parent, device_t self, void *aux) { struct topcat_softc *sc = device_private(self); struct dio_attach_args *da = aux; bus_space_handle_t bsh; struct diofbreg *fbr; sc->sc_dev = self; 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; if (bus_space_map(da->da_bst, da->da_addr, da->da_size, 0, &bsh)) { aprint_error(": can't map framebuffer\n"); return; } fbr = bus_space_vaddr(da->da_bst, bsh); if (topcat_reset(sc->sc_fb, sc->sc_scode, fbr) != 0) { aprint_error(": can't reset framebuffer\n"); return; } } topcat_end_attach(sc, fbr->fbid); } void topcat_end_attach(struct topcat_softc *sc, uint8_t id) { const char *fbname = "unknown"; switch (id) { case GID_TOPCAT: switch (sc->sc_fb->planes) { case 1: if (sc->sc_fb->dheight == 400) fbname = "HP98542 topcat"; else 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"; /* also A1416 kathmandu */ break; case GID_LRCATSEYE: fbname = "HP98549 catseye"; break; case GID_HRMCATSEYE: fbname = "HP98548 catseye"; break; } diofb_end_attach(sc->sc_dev, &topcat_accessops, sc->sc_fb, sc->sc_scode == conscode, fbname); } /* * Initialize hardware and display routines. */ int topcat_reset(struct diofb *fb, int scode, struct diofbreg *fbr) { volatile struct tcboxfb *tc = (struct tcboxfb *)fbr; struct rasops_info *ri = &fb->ri; int rc; u_int i; bool sparse = false; if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0) return rc; /* * 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) { volatile uint8_t *fbp; uint8_t save; fbp = (uint8_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; fb->planemask = (1 << fb->planes) - 1; } /* * Some displays, such as the HP332 and HP340 internal video * and HP98542/98543 appear to return a display width of 1024 * instead of 512. It looks these boards have actually have * enough 64KB (1bpp) or 256KB (4bpp) VRAM and RAMDAC capabilities * to display 1024x400 pixels. * * However HP's official "Service Information Manual" for * "HP 900 Series 300 Computers Models 330/350" says: * "The medium-resolution board uses eight memory chips per plane. * This is enough to display 512 doubled pixels by 400 scan lines." * * This "512 doubled pixels" implies that the native HP-UX treated * these 1024x400 framebuffers as pseudo 512x400 ones because * ancient 1980s CRTs (such as 35741) didn't display such higher * resolution. Furthermore, even modern LCDs can only handle * upto 720 pixels in the "400 line" as VGA compatible mode. * * As mentioned above, we treat these 1024x400 1 bit or 4 bit * framebuffers as "2 bytes per pixel" ones, so we have to handle * 512 pixels per line with 1024 bytes per line. */ if (fb->planes <= 4 && fb->dwidth == 1024 && fb->dheight == 400) { fb->dwidth = 512; sparse = true; } fb->bmv = topcat_windowmove; topcat_restore(fb); diofb_fbsetup(fb); if (!sparse) { /* save original rasops putchar op */ fb->wsputchar = ri->ri_ops.putchar; ri->ri_ops.putchar = topcat_putchar8; } else { ri->ri_ops.putchar = topcat_putchar1_4; /* copycols and erasecols ops require byte size of fontwidth */ fb->wsd.fontwidth *= 2; /* copyrows and eraserows ops require byte size per line */ ri->ri_emuwidth *= 2; } for (i = 0; i <= fb->planemask; i++) topcat_setcolor(fb, i); 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->regs.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; /* Enable display */ tc->nblank = fb->planemask; } int topcat_ioctl(void *v, void *vs, u_long cmd, void *data, int flags, struct lwp *l) { struct diofb *fb = v; struct wsdisplay_fbinfo *wdf; u_int i; switch (cmd) { case WSDISPLAYIO_GTYPE: *(u_int *)data = WSDISPLAY_TYPE_TOPCAT; return 0; case WSDISPLAYIO_SMODE: fb->mapmode = *(u_int *)data; if (fb->mapmode == WSDISPLAYIO_MODE_EMUL) { topcat_restore(fb); for (i = 0; i <= fb->planemask; i++) topcat_setcolor(fb, i); } return 0; case WSDISPLAYIO_GINFO: wdf = (void *)data; wdf->width = fb->ri.ri_width; wdf->height = fb->ri.ri_height; wdf->depth = fb->ri.ri_depth; wdf->cmsize = 1 << fb->planes; return 0; case WSDISPLAYIO_LINEBYTES: *(u_int *)data = fb->ri.ri_stride; return 0; case WSDISPLAYIO_GETCMAP: if (fb->planemask == 1) return EPASSTHROUGH; return diofb_getcmap(fb, (struct wsdisplay_cmap *)data); case WSDISPLAYIO_PUTCMAP: if (fb->planemask == 1) return EPASSTHROUGH; return topcat_setcmap(fb, (struct wsdisplay_cmap *)data); case WSDISPLAYIO_GVIDEO: case WSDISPLAYIO_SVIDEO: return EPASSTHROUGH; } return EPASSTHROUGH; } void topcat_setcolor(struct diofb *fb, u_int index) { volatile struct tcboxfb *tc = (struct tcboxfb *)fb->regkva; /* No color map registers on monochrome framebuffers. */ if (fb->planemask == 1) return; tc_waitbusy(tc, fb->planemask); if (tc->regs.fbid != GID_TOPCAT) { tccm_waitbusy(tc); tc->plane_mask = fb->planemask; tc->cindex = ~index; tc->rdata = fb->cmap.r[index]; tc->gdata = fb->cmap.g[index]; tc->bdata = fb->cmap.b[index]; tc->strobe = 0xff; /* XXX delay required on 68020/30 to avoid bus error */ DELAY(100); tccm_waitbusy(tc); tc->cindex = 0; } else { tccm_waitbusy(tc); tc->plane_mask = fb->planemask; tc->rdata = fb->cmap.r[index]; tc->gdata = fb->cmap.g[index]; tc->bdata = fb->cmap.b[index]; DELAY(1); /* necessary for at least old HP98543 */ tc->cindex = ~index; DELAY(1); /* necessary for at least old HP98543 */ tc->strobe = 0xff; /* XXX delay required on 68020/30 to avoid bus error */ DELAY(100); tccm_waitbusy(tc); tc->rdata = 0; tc->gdata = 0; tc->bdata = 0; tc->cindex = 0; } } int topcat_setcmap(struct diofb *fb, struct wsdisplay_cmap *cm) { uint8_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; memcpy(fb->cmap.r + index, r, count); memcpy(fb->cmap.g + index, g, count); memcpy(fb->cmap.b + index, b, count); while (count-- != 0) topcat_setcolor(fb, index++); return 0; } /* * Accelerated routines */ int topcat_windowmove(struct diofb *fb, uint16_t sx, uint16_t sy, uint16_t dx, uint16_t dy, uint16_t cx, uint16_t cy, int16_t rop, int16_t planemask) { volatile struct tcboxfb *tc = (struct tcboxfb *)fb->regkva; tc_waitbusy(tc, fb->planemask); if (planemask != 0xff) { tc->wen = planemask ^ 0xff; tc->wmrr = rop ^ 0x0f; tc->wen = fb->planemask; } else { tc->wen = 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; return 0; } static void topcat_putchar8(void *cookie, int row, int col, u_int uc, long attr) { struct rasops_info *ri = (struct rasops_info *)cookie; struct diofb *diofb = ri->ri_hw; volatile struct tcboxfb *tc = (struct tcboxfb *)diofb->regkva; /* Wait windowmove ops complete before drawing a glyph */ tc_waitbusy(tc, diofb->planemask); /* Call the original rasops putchar */ (*diofb->wsputchar)(cookie, row, col, uc, attr); } /* * Put a single character on 1 bpp (98542) or 4 bpp (98543) variants * with 1024x400 VRAM to treat them as a pseudo 512x400 bitmap. */ static void topcat_putchar1_4(void *cookie, int row, int col, u_int uc, long attr) { int width, height, cnt, fs; uint32_t fb; uint8_t *fr, clr[2]; uint8_t *dp, *rp; struct rasops_info *ri; struct diofb *diofb; volatile struct tcboxfb *tc; ri = (struct rasops_info *)cookie; if (!CHAR_IN_FONT(uc, ri->ri_font)) return; rp = ri->ri_bits + (row * ri->ri_yscale) + (col * ri->ri_xscale * 2); height = ri->ri_font->fontheight; width = ri->ri_font->fontwidth; clr[0] = (uint8_t)ri->ri_devcmap[(attr >> 16) & 0xf]; clr[1] = (uint8_t)ri->ri_devcmap[(attr >> 24) & 0xf]; /* Wait windowmove ops complete before drawing a glyph */ diofb = ri->ri_hw; tc = (struct tcboxfb *)diofb->regkva; tc_waitbusy(tc, diofb->planemask); /* * We have to put pixel data to both odd and even addresses * to handle "doubled pixels" as noted above. */ if (uc == ' ') { uint16_t c = clr[0]; c = c << 8 | c; while (height--) { dp = rp; rp += ri->ri_stride; for (cnt = width; cnt; cnt--) { *(uint16_t *)dp = c; dp += 2; } } } else { uc -= ri->ri_font->firstchar; fr = (uint8_t *)ri->ri_font->data + uc * ri->ri_fontscale; fs = ri->ri_font->stride; while (height--) { dp = rp; fb = be32dec(fr); fr += fs; rp += ri->ri_stride; for (cnt = width; cnt; cnt--) { uint16_t c = clr[(fb >> 31) & 1]; c = c << 8 | c; *(uint16_t *)dp = c; dp += 2; fb <<= 1; } } } /* Do underline */ if ((attr & WSATTR_UNDERLINE) != 0) { uint16_t c = clr[1]; c = c << 8 | c; rp -= ri->ri_stride * ri->ri_ul.off; while (width--) { *(uint16_t *)rp = c; rp += 2; } } } /* * Topcat/catseye console attachment */ int topcatcnattach(bus_space_tag_t bst, bus_addr_t addr, int scode) { bus_space_handle_t bsh; void *va; struct diofbreg *fbr; struct diofb *fb = &diofb_cn; int size; if (bus_space_map(bst, addr, PAGE_SIZE, 0, &bsh)) return 1; va = bus_space_vaddr(bst, bsh); fbr = va; if (badaddr(va) || fbr->id != GRFHWID) { bus_space_unmap(bst, bsh, PAGE_SIZE); return 1; } switch (fbr->fbid) { case GID_TOPCAT: case GID_LRCATSEYE: case GID_HRCCATSEYE: case GID_HRMCATSEYE: break; default: bus_space_unmap(bst, bsh, PAGE_SIZE); return 1; } size = DIO_SIZE(scode, va); bus_space_unmap(bst, bsh, PAGE_SIZE); if (bus_space_map(bst, addr, size, 0, &bsh)) return 1; va = bus_space_vaddr(bst, bsh); /* * Initialize the framebuffer hardware. */ conscode = scode; conaddr = va; topcat_reset(fb, conscode, (struct diofbreg *)conaddr); /* * Initialize the terminal emulator. */ diofb_cnattach(fb); return 0; }