/* $OpenBSD: dvbox.c,v 1.12 2005/12/31 18:13:41 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 $Hdr: grf_dv.c 1.12 93/08/13$ * * @(#)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 { struct device sc_dev; struct diofb *sc_fb; struct diofb sc_fb_store; int sc_scode; }; int dvbox_dio_match(struct device *, void *, void *); void dvbox_dio_attach(struct device *, struct device *, void *); int dvbox_intio_match(struct device *, void *, void *); void dvbox_intio_attach(struct device *, struct device *, void *); struct cfattach dvbox_dio_ca = { sizeof(struct dvbox_softc), dvbox_dio_match, dvbox_dio_attach }; struct cfattach dvbox_intio_ca = { sizeof(struct dvbox_softc), dvbox_intio_match, dvbox_intio_attach }; struct cfdriver dvbox_cd = { NULL, "dvbox", DV_DULL }; int dvbox_reset(struct diofb *, int, struct diofbreg *); void dvbox_restore(struct diofb *); void dvbox_setcolor(struct diofb *, u_int, u_int8_t, u_int8_t, u_int8_t); void dvbox_windowmove(struct diofb *, u_int16_t, u_int16_t, u_int16_t, u_int16_t, u_int16_t, u_int16_t, int); int dvbox_ioctl(void *, u_long, caddr_t, int, struct proc *); void dvbox_burner(void *, u_int, u_int); struct wsdisplay_accessops dvbox_accessops = { dvbox_ioctl, diofb_mmap, diofb_alloc_screen, diofb_free_screen, diofb_show_screen, NULL, /* load_font */ NULL, /* scrollback */ NULL, /* getchar */ dvbox_burner }; /* * Attachment glue */ int dvbox_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->fbid == GID_DAVINCI) { ia->ia_addr = (caddr_t)GRFIADDR; return (1); } return (0); } void dvbox_intio_attach(struct device *parent, struct device *self, void *aux) { struct dvbox_softc *sc = (struct dvbox_softc *)self; struct diofbreg *fbr; fbr = (struct diofbreg *)IIOV(GRFIADDR); 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(sc, &dvbox_accessops, sc->sc_fb, sc->sc_scode == conscode, NULL); } int dvbox_dio_match(struct device *parent, void *match, 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(struct device *parent, struct device *self, void *aux) { struct dvbox_softc *sc = (struct dvbox_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 || dvbox_reset(sc->sc_fb, sc->sc_scode, fbr) != 0) { printf(": can't map framebuffer\n"); return; } } diofb_end_attach(sc, &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, 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_DVBOX; break; case WSDISPLAYIO_SMODE: fb->mapmode = *(u_int *)data; if (fb->mapmode == WSDISPLAYIO_MODE_EMUL) dvbox_restore(fb); break; 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 */ break; case WSDISPLAYIO_LINEBYTES: *(u_int *)data = fb->ri.ri_stride; break; case WSDISPLAYIO_GETCMAP: case WSDISPLAYIO_PUTCMAP: break; /* XXX until color support is implemented */ case WSDISPLAYIO_GVIDEO: case WSDISPLAYIO_SVIDEO: break; default: return (-1); } return (0); } void dvbox_burner(void *v, u_int on, u_int flags) { struct diofb *fb = v; volatile struct dvboxfb *db = (struct dvboxfb *)fb->regkva; if (on) db->dispen = 0x01; else db->dispen = 0x00; } void dvbox_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 dvboxfb *db = (struct dvboxfb *)fb->regkva; 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); } /* * DaVinci console support */ void dvboxcninit() { dvbox_reset(&diofb_cn, conscode, (struct diofbreg *)conaddr); diofb_cnattach(&diofb_cn); }