/* $NetBSD: dvbox.c,v 1.3.90.1 2024/06/22 10:57:10 martin Exp $ */ /* $OpenBSD: dvbox.c,v 1.13 2006/08/11 18:33:13 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 $Hdr: grf_dv.c 1.12 93/08/13$ * * @(#)grf_dv.c 8.4 (Berkeley) 1/12/94 */ /* * Graphics routines for the DaVinci, HP98730/98731 Graphics system. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct dvbox_softc { device_t sc_dev; struct diofb *sc_fb; struct diofb sc_fb_store; int sc_scode; }; static int dvbox_dio_match(device_t, cfdata_t, void *); static void dvbox_dio_attach(device_t, device_t, void *); static int dvbox_intio_match(device_t, cfdata_t, void *); static void dvbox_intio_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(dvbox_dio, sizeof(struct dvbox_softc), dvbox_dio_match, dvbox_dio_attach, NULL, NULL); CFATTACH_DECL_NEW(dvbox_intio, sizeof(struct dvbox_softc), dvbox_intio_match, dvbox_intio_attach, NULL, NULL); static int dvbox_reset(struct diofb *, int, struct diofbreg *); static void dvbox_restore(struct diofb *); static int dvbox_windowmove(struct diofb *, uint16_t, uint16_t, uint16_t, uint16_t, uint16_t, uint16_t, int16_t, int16_t); static int dvbox_ioctl(void *, void *, u_long, void *, int, struct lwp *); static struct wsdisplay_accessops dvbox_accessops = { dvbox_ioctl, diofb_mmap, diofb_alloc_screen, diofb_free_screen, diofb_show_screen, NULL, /* load_font */ }; /* * Attachment glue */ int dvbox_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_DAVINCI) { return 1; } return 0; } void dvbox_intio_attach(device_t parent, device_t self, void *aux) { struct dvbox_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; dvbox_reset(sc->sc_fb, sc->sc_scode, fbr); } diofb_end_attach(self, &dvbox_accessops, sc->sc_fb, sc->sc_scode == conscode, NULL); } int dvbox_dio_match(device_t parent, cfdata_t cf, void *aux) { struct dio_attach_args *da = aux; if (da->da_id == DIO_DEVICE_ID_FRAMEBUFFER && da->da_secid == DIO_DEVICE_SECID_DAVINCI) return 1; return 0; } void dvbox_dio_attach(device_t parent, device_t self, void *aux) { struct dvbox_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 (dvbox_reset(sc->sc_fb, sc->sc_scode, fbr) != 0) { aprint_error(": can't reset framebuffer\n"); return; } } diofb_end_attach(self, &dvbox_accessops, sc->sc_fb, sc->sc_scode == conscode, NULL); } /* * Initialize hardware and display routines. */ int dvbox_reset(struct diofb *fb, int scode, struct diofbreg *fbr) { int rc; if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0) return rc; /* * Restrict the framebuffer to a monochrome view for now, until * I know better how to detect and frob overlay planes, and * setup a proper colormap. -- miod */ fb->planes = fb->planemask = 1; fb->bmv = dvbox_windowmove; dvbox_restore(fb); diofb_fbsetup(fb); return 0; } /* * Magic initialization code. */ void dvbox_restore(struct diofb *fb) { volatile struct dvboxfb *db = (struct dvboxfb *)fb->regkva; u_int i; db->regs.id = 0x80; DELAY(100); db->regs.interrupt = 0x04; db->en_scan = 0x01; db->fbwen = ~0; db->opwen = ~0; db->fold = 0x01; /* 8bpp */ db->drive = 0x01; /* use FB plane */ db->rep_rule = DVBOX_DUALROP(RR_COPY); db->alt_rr = DVBOX_DUALROP(RR_COPY); db->zrr = DVBOX_DUALROP(RR_COPY); db->fbvenp = 0xFF; /* enable video */ db->dispen = 0x01; /* enable display */ db->fbvens = 0x0; db->fv_trig = 0x01; DELAY(100); db->vdrive = 0x0; db->zconfig = 0x0; while (db->wbusy & 0x01) DELAY(10); db->cmapbank = 0; db->red0 = 0; db->red1 = 0; db->green0 = 0; db->green1 = 0; db->blue0 = 0; db->blue1 = 0; db->panxh = 0; db->panxl = 0; db->panyh = 0; db->panyl = 0; db->zoom = 0; db->cdwidth = 0x50; db->chstart = 0x52; db->cvwidth = 0x22; db->pz_trig = 1; /* * Turn on frame buffer, turn on overlay planes, set replacement * rule, enable top overlay plane writes for ite, disable all frame * buffer planes, set byte per pixel, and display frame buffer 0. * Lastly, turn on the box. */ db->regs.interrupt = 0x04; db->drive = 0x10; db->rep_rule = DVBOX_DUALROP(RR_COPY); db->opwen = 0x01; db->fbwen = 0x0; db->fold = 0x01; db->vdrive = 0x0; db->dispen = 0x01; /* * Video enable top overlay plane. */ db->opvenp = 0x01; db->opvens = 0x01; /* * Make sure that overlay planes override frame buffer planes. */ db->ovly0p = 0x0; db->ovly0s = 0x0; db->ovly1p = 0x0; db->ovly1s = 0x0; db->fv_trig = 0x1; DELAY(100); /* * Setup the overlay colormaps. Need to set the 0,1 (black/white) * color for both banks. */ db_waitbusy(db); for (i = 0; i <= 1; i++) { db->cmapbank = i; db->rgb[0].red = 0x00; db->rgb[0].green = 0x00; db->rgb[0].blue = 0x00; db->rgb[1].red = 0xff; db->rgb[1].green = 0xff; db->rgb[1].blue = 0xff; } db->cmapbank = 0; db_waitbusy(db); } int dvbox_ioctl(void *v, void *vs, u_long cmd, void *data, int flags, struct lwp *l) { struct diofb *fb = v; struct wsdisplay_fbinfo *wdf; switch (cmd) { case WSDISPLAYIO_GTYPE: *(u_int *)data = WSDISPLAY_TYPE_DVBOX; return 0; case WSDISPLAYIO_SMODE: fb->mapmode = *(u_int *)data; if (fb->mapmode == WSDISPLAYIO_MODE_EMUL) dvbox_restore(fb); 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 = 0; /* XXX */ return 0; case WSDISPLAYIO_LINEBYTES: *(u_int *)data = fb->ri.ri_stride; return 0; case WSDISPLAYIO_GETCMAP: case WSDISPLAYIO_PUTCMAP: /* XXX until color support is implemented */ return EPASSTHROUGH; case WSDISPLAYIO_GVIDEO: case WSDISPLAYIO_SVIDEO: return EPASSTHROUGH; } return EPASSTHROUGH; } int dvbox_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 dvboxfb *db = (struct dvboxfb *)fb->regkva; if (planemask != 0xff) return EINVAL; db_waitbusy(db); db->rep_rule = DVBOX_DUALROP(rop); db->source_y = sy; db->source_x = sx; db->dest_y = dy; db->dest_x = dx; db->wheight = cy; db->wwidth = cx; db->wmove = 1; db_waitbusy(db); return 0; } /* * DaVinci console support */ int dvboxcnattach(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_DAVINCI)) { 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; dvbox_reset(fb, conscode, (struct diofbreg *)conaddr); /* * Initialize the terminal emulator. */ diofb_cnattach(fb); return 0; }