/* $NetBSD: gbox.c,v 1.4 2025/05/27 18:44:31 tsutsui Exp $ */ /* $OpenBSD: gbox.c,v 1.15 2007/01/07 15:13:52 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, 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 $Hdr: grf_gb.c 1.18 93/08/13$ * * @(#)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 { device_t sc_dev; struct diofb *sc_fb; struct diofb sc_fb_store; int sc_scode; }; static int gbox_dio_match(device_t, cfdata_t, void *); static void gbox_dio_attach(device_t, device_t, void *); static int gbox_intio_match(device_t, cfdata_t, void *); static void gbox_intio_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(gbox_dio, sizeof(struct gbox_softc), gbox_dio_match, gbox_dio_attach, NULL, NULL); CFATTACH_DECL_NEW(gbox_intio, sizeof(struct gbox_softc), gbox_intio_match, gbox_intio_attach, NULL, NULL); static int gbox_reset(struct diofb *, int, struct diofbreg *); static void gbox_restore(struct diofb *); static int gbox_setcmap(struct diofb *, struct wsdisplay_cmap *); static void gbox_setcolor(struct diofb *, u_int); static int gbox_windowmove(struct diofb *, uint16_t, uint16_t, uint16_t, uint16_t, uint16_t, uint16_t, int16_t, int16_t); static int gbox_ioctl(void *, void *, u_long, void *, int, struct lwp *); static struct wsdisplay_accessops gbox_accessops = { .ioctl = gbox_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 gbox_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 && fbr->fbid == GID_GATORBOX) { return 1; } return 0; } void gbox_intio_attach(device_t parent, device_t self, void *aux) { struct gbox_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; gbox_reset(sc->sc_fb, sc->sc_scode, fbr); } diofb_end_attach(self, &gbox_accessops, sc->sc_fb, sc->sc_scode == conscode, NULL); } int gbox_dio_match(device_t parent, cfdata_t cf, 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(device_t parent, device_t self, void *aux) { struct gbox_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 (gbox_reset(sc->sc_fb, sc->sc_scode, fbr) != 0) { aprint_error(": can't reset framebuffer\n"); return; } } diofb_end_attach(self, &gbox_accessops, sc->sc_fb, sc->sc_scode == conscode, NULL); } /* * Initialize hardware and display routines. */ const uint8_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) { int rc; u_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; fb->bmv = gbox_windowmove; gbox_restore(fb); /* * 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. */ if (1 /* fb->planes == 0 */) { volatile uint8_t *fbp; uint8_t save; fbp = (uint8_t *)fb->fbkva; 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; } diofb_fbsetup(fb); for (i = 0; i <= fb->planemask; i++) gbox_setcolor(fb, i); return 0; } void gbox_restore(struct diofb *fb) { volatile struct gboxfb *gb = (struct gboxfb *)fb->regkva; u_int i; /* * The minimal info here is from the Gatorbox X driver. */ gb->write_protect = 0x0; gb->regs.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]; } tile_mover_waitbusy(gb); /* Enable display */ gb->regs.sec_interrupt = 0x01; } int gbox_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_GBOX; return 0; case WSDISPLAYIO_SMODE: fb->mapmode = *(u_int *)data; if (fb->mapmode == WSDISPLAYIO_MODE_EMUL) { gbox_restore(fb); for (i = 0; i <= fb->planemask; i++) gbox_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: return diofb_getcmap(fb, (struct wsdisplay_cmap *)data); case WSDISPLAYIO_PUTCMAP: return gbox_setcmap(fb, (struct wsdisplay_cmap *)data); case WSDISPLAYIO_GVIDEO: case WSDISPLAYIO_SVIDEO: return EPASSTHROUGH; } return EPASSTHROUGH; } void gbox_setcolor(struct diofb *fb, u_int index) { volatile struct gboxfb *gb = (struct gboxfb *)fb->regkva; gb->creg_select = index; gb->cmap_red = fb->cmap.r[index]; gb->cmap_grn = fb->cmap.g[index]; gb->cmap_blu = fb->cmap.b[index]; gb->cmap_write = !!index; gbcm_waitbusy(gb); } int gbox_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) gbox_setcolor(fb, index++); return 0; } int gbox_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 gboxfb *gb = (struct gboxfb *)fb->regkva; int src, dest; if (planemask != 0xff) return EINVAL; 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); } *(volatile uint8_t *)(fb->fbkva + dest) = *(volatile uint8_t *)(fb->fbkva + src); tile_mover_waitbusy(gb); return 0; } /* * Gatorbox console support */ int gboxcnattach(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) || (fbr->fbid != GID_GATORBOX)) { 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; gbox_reset(fb, conscode, (struct diofbreg *)conaddr); /* * Initialize the terminal emulator. */ diofb_cnattach(fb); return 0; }