/* $NetBSD: hyper.c,v 1.4 2025/05/27 18:44:31 tsutsui Exp $ */
/* $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, 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) 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 <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/proc.h>
#include <sys/bus.h>
#include <sys/cpu.h>
#include <machine/autoconf.h>
#include <hp300/dev/dioreg.h>
#include <hp300/dev/diovar.h>
#include <hp300/dev/diodevs.h>
#include <hp300/dev/intiovar.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/rasops/rasops.h>
#include <hp300/dev/diofbreg.h>
#include <hp300/dev/diofbvar.h>
#include <hp300/dev/hyperreg.h>
struct hyper_softc {
device_t sc_dev;
struct diofb *sc_fb;
struct diofb sc_fb_store;
int sc_scode;
};
static int hyper_match(device_t, cfdata_t, void *);
static void hyper_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(hyper, sizeof(struct hyper_softc),
hyper_match, hyper_attach, NULL, NULL);
static int hyper_reset(struct diofb *, int, struct diofbreg *);
static int hyper_ioctl(void *, void *, u_long, void *, int, struct lwp *);
static struct wsdisplay_accessops hyper_accessops = {
.ioctl = hyper_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
hyper_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_HYPERION)
return 1;
return 0;
}
void
hyper_attach(device_t parent, device_t self, void *aux)
{
struct hyper_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 (hyper_reset(sc->sc_fb, sc->sc_scode, fbr) != 0) {
aprint_error(": can't reset framebuffer\n");
return;
}
}
diofb_end_attach(self, &hyper_accessops, sc->sc_fb,
sc->sc_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, 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_HYPERION;
return 0;
case WSDISPLAYIO_SMODE:
fb->mapmode = *(u_int *)data;
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;
return 0;
case WSDISPLAYIO_LINEBYTES:
*(u_int *)data = fb->ri.ri_stride;
return 0;
case WSDISPLAYIO_GVIDEO:
case WSDISPLAYIO_SVIDEO:
return EPASSTHROUGH;
case WSDISPLAYIO_GETCMAP:
case WSDISPLAYIO_PUTCMAP:
return EPASSTHROUGH;
}
return EPASSTHROUGH;
}
/*
* Hyperion console support
*/
int
hypercnattach(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_HYPERION)) {
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;
hyper_reset(fb, conscode, (struct diofbreg *)conaddr);
/*
* Initialize the terminal emulator.
*/
diofb_cnattach(fb);
return 0;
}