/* $OpenBSD: hyper.c,v 1.15 2006/04/14 21:05:43 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) 1991 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 and Mark Davies of the Department of Computer * Science, Victoria University of Wellington, New Zealand. * * 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 $Hdr: grf_hy.c 1.2 93/08/13$ * * @(#)grf_hy.c 8.4 (Berkeley) 1/12/94 */ /* * Graphics routines for HYPERION frame buffer */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct hyper_softc { struct device sc_dev; struct diofb *sc_fb; struct diofb sc_fb_store; }; int hyper_match(struct device *, void *, void *); void hyper_attach(struct device *, struct device *, void *); struct cfattach hyper_ca = { sizeof(struct hyper_softc), hyper_match, hyper_attach }; struct cfdriver hyper_cd = { NULL, "hyper", DV_DULL }; int hyper_reset(struct diofb *, int, struct diofbreg *); int hyper_ioctl(void *, u_long, caddr_t, int, struct proc *); void hyper_burner(void *, u_int, u_int); struct wsdisplay_accessops hyper_accessops = { hyper_ioctl, diofb_mmap, diofb_alloc_screen, diofb_free_screen, diofb_show_screen, NULL, /* load_font */ NULL, /* scrollback */ NULL, /* getchar */ hyper_burner }; /* * Attachment glue */ int hyper_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_HYPERION) return (1); return (0); } void hyper_attach(struct device *parent, struct device *self, void *aux) { struct hyper_softc *sc = (struct hyper_softc *)self; struct dio_attach_args *da = aux; struct diofbreg *fbr; int scode; scode = da->da_scode; if (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(scode), da->da_size); if (fbr == NULL || hyper_reset(sc->sc_fb, scode, fbr) != 0) { printf(": can't map framebuffer\n"); return; } } diofb_end_attach(self, &hyper_accessops, sc->sc_fb, scode == conscode, NULL); } /* * Initialize hardware and display routines. */ int hyper_reset(struct diofb *fb, int scode, struct diofbreg *fbr) { volatile struct hyboxfb *hy = (struct hyboxfb *)fbr; int rc; if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0) return (rc); fb->bmv = diofb_mono_windowmove; fb->ri.ri_depth = 1; /* do not fake a 8bpp frame buffer */ diofb_fbsetup(fb); /* enable display */ hy->nblank = DISP_VIDEO_ENABLE | DISP_SYNC_ENABLE; return (0); } int hyper_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_HYPERION; break; case WSDISPLAYIO_SMODE: fb->mapmode = *(u_int *)data; 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; break; case WSDISPLAYIO_LINEBYTES: *(u_int *)data = fb->ri.ri_stride; break; case WSDISPLAYIO_GVIDEO: case WSDISPLAYIO_SVIDEO: case WSDISPLAYIO_GETCMAP: case WSDISPLAYIO_PUTCMAP: break; default: return (-1); } return (0); } void hyper_burner(void *v, u_int on, u_int flags) { struct diofb *fb = v; volatile struct hyboxfb *hy = (struct hyboxfb *)fb->regkva; if (on) { hy->nblank = DISP_VIDEO_ENABLE | DISP_SYNC_ENABLE; } else { if (flags & WSDISPLAY_BURN_VBLANK) hy->nblank = 0; else hy->nblank = DISP_SYNC_ENABLE; } } /* * Hyperion console support */ void hypercninit() { hyper_reset(&diofb_cn, conscode, (struct diofbreg *)conaddr); diofb_cnattach(&diofb_cn); }