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300 lines
9.0 KiB
C
300 lines
9.0 KiB
C
/* $NetBSD: hyper.c,v 1.3 2011/02/18 19:15:43 tsutsui Exp $ */
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/* $OpenBSD: hyper.c,v 1.15 2006/04/14 21:05:43 miod Exp $ */
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/*
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* Copyright (c) 2005, Miodrag Vallat.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/*-
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* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1991 University of Utah.
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department and Mark Davies of the Department of Computer
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* Science, Victoria University of Wellington, New Zealand.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah $Hdr: grf_hy.c 1.2 93/08/13$
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*
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* @(#)grf_hy.c 8.4 (Berkeley) 1/12/94
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*/
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/*
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* Graphics routines for HYPERION frame buffer
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/ioctl.h>
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#include <sys/proc.h>
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#include <sys/bus.h>
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#include <sys/cpu.h>
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#include <machine/autoconf.h>
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#include <hp300/dev/dioreg.h>
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#include <hp300/dev/diovar.h>
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#include <hp300/dev/diodevs.h>
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#include <hp300/dev/intiovar.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wsdisplayvar.h>
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#include <dev/rasops/rasops.h>
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#include <hp300/dev/diofbreg.h>
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#include <hp300/dev/diofbvar.h>
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#include <hp300/dev/hyperreg.h>
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struct hyper_softc {
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device_t sc_dev;
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struct diofb *sc_fb;
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struct diofb sc_fb_store;
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int sc_scode;
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};
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static int hyper_match(device_t, cfdata_t, void *);
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static void hyper_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(hyper, sizeof(struct hyper_softc),
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hyper_match, hyper_attach, NULL, NULL);
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static int hyper_reset(struct diofb *, int, struct diofbreg *);
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static int hyper_ioctl(void *, void *, u_long, void *, int, struct lwp *);
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static struct wsdisplay_accessops hyper_accessops = {
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hyper_ioctl,
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diofb_mmap,
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diofb_alloc_screen,
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diofb_free_screen,
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diofb_show_screen,
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NULL, /* load_font */
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};
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/*
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* Attachment glue
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*/
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int
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hyper_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct dio_attach_args *da = aux;
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if (da->da_id == DIO_DEVICE_ID_FRAMEBUFFER &&
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da->da_secid == DIO_DEVICE_SECID_HYPERION)
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return 1;
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return 0;
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}
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void
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hyper_attach(device_t parent, device_t self, void *aux)
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{
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struct hyper_softc *sc = device_private(self);
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struct dio_attach_args *da = aux;
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bus_space_handle_t bsh;
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struct diofbreg *fbr;
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sc->sc_dev = self;
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sc->sc_scode = da->da_scode;
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if (sc->sc_scode == conscode) {
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fbr = (struct diofbreg *)conaddr; /* already mapped */
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sc->sc_fb = &diofb_cn;
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} else {
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sc->sc_fb = &sc->sc_fb_store;
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if (bus_space_map(da->da_bst, da->da_addr, da->da_size, 0,
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&bsh)) {
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aprint_error(": can't map framebuffer\n");
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return;
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}
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fbr = bus_space_vaddr(da->da_bst, bsh);
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if (hyper_reset(sc->sc_fb, sc->sc_scode, fbr) != 0) {
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aprint_error(": can't reset framebuffer\n");
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return;
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}
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}
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diofb_end_attach(self, &hyper_accessops, sc->sc_fb,
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sc->sc_scode == conscode, NULL);
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}
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/*
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* Initialize hardware and display routines.
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*/
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int
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hyper_reset(struct diofb *fb, int scode, struct diofbreg *fbr)
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{
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volatile struct hyboxfb *hy = (struct hyboxfb *)fbr;
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int rc;
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if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0)
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return rc;
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fb->bmv = diofb_mono_windowmove;
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fb->ri.ri_depth = 1; /* do not fake a 8bpp frame buffer */
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diofb_fbsetup(fb);
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/* enable display */
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hy->nblank = DISP_VIDEO_ENABLE | DISP_SYNC_ENABLE;
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return 0;
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}
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int
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hyper_ioctl(void *v, void *vs, u_long cmd, void *data, int flags, struct lwp *l)
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{
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struct diofb *fb = v;
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struct wsdisplay_fbinfo *wdf;
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switch (cmd) {
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case WSDISPLAYIO_GTYPE:
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*(u_int *)data = WSDISPLAY_TYPE_HYPERION;
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return 0;
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case WSDISPLAYIO_SMODE:
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fb->mapmode = *(u_int *)data;
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return 0;
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case WSDISPLAYIO_GINFO:
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wdf = (void *)data;
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wdf->width = fb->ri.ri_width;
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wdf->height = fb->ri.ri_height;
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wdf->depth = fb->ri.ri_depth;
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wdf->cmsize = 0;
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return 0;
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case WSDISPLAYIO_LINEBYTES:
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*(u_int *)data = fb->ri.ri_stride;
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return 0;
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case WSDISPLAYIO_GVIDEO:
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case WSDISPLAYIO_SVIDEO:
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return EPASSTHROUGH;
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case WSDISPLAYIO_GETCMAP:
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case WSDISPLAYIO_PUTCMAP:
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return EPASSTHROUGH;
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}
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return EPASSTHROUGH;
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}
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/*
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* Hyperion console support
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*/
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int
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hypercnattach(bus_space_tag_t bst, bus_addr_t addr, int scode)
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{
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bus_space_handle_t bsh;
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void *va;
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struct diofbreg *fbr;
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struct diofb *fb = &diofb_cn;
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int size;
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if (bus_space_map(bst, addr, PAGE_SIZE, 0, &bsh))
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return 1;
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va = bus_space_vaddr(bst, bsh);
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fbr = va;
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if (badaddr(va) ||
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(fbr->id != GRFHWID) || (fbr->fbid != GID_HYPERION)) {
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bus_space_unmap(bst, bsh, PAGE_SIZE);
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return 1;
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}
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size = DIO_SIZE(scode, va);
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bus_space_unmap(bst, bsh, PAGE_SIZE);
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if (bus_space_map(bst, addr, size, 0, &bsh))
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return 1;
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va = bus_space_vaddr(bst, bsh);
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/*
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* Initialize the framebuffer hardware.
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*/
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conscode = scode;
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conaddr = va;
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hyper_reset(fb, conscode, (struct diofbreg *)conaddr);
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/*
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* Initialize the terminal emulator.
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*/
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diofb_cnattach(fb);
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return 0;
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}
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