204 lines
6.2 KiB
C
204 lines
6.2 KiB
C
/* $NetBSD: cgsix_sbus.c,v 1.18 2005/12/11 12:23:44 christos Exp $ */
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/*-
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* Copyright (c) 1998 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 Paul Kranenburg.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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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* color display (cgsix) driver; Sbus bus front-end.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: cgsix_sbus.c,v 1.18 2005/12/11 12:23:44 christos Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/buf.h>
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#include <sys/device.h>
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#include <sys/ioctl.h>
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#include <sys/malloc.h>
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#include <sys/mman.h>
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#include <sys/tty.h>
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#include <sys/conf.h>
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#ifdef DEBUG
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#include <sys/proc.h>
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#include <sys/syslog.h>
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#endif
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#include <machine/bus.h>
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#include <machine/autoconf.h>
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#include <dev/sbus/sbusvar.h>
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#include <dev/sun/fbio.h>
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#include <dev/sun/fbvar.h>
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#include <dev/sun/btreg.h>
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#include <dev/sun/btvar.h>
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#include <dev/sun/cgsixreg.h>
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#include <dev/sun/cgsixvar.h>
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/* autoconfiguration driver */
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static int cgsixmatch(struct device *, struct cfdata *, void *);
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static void cgsixattach(struct device *, struct device *, void *);
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/* Allocate an `sbusdev' in addition to the cgsix softc */
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struct cgsix_sbus_softc {
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struct cgsix_softc bss_softc;
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struct sbusdev bss_sd;
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};
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CFATTACH_DECL(cgsix_sbus, sizeof(struct cgsix_sbus_softc),
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cgsixmatch, cgsixattach, NULL, NULL);
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/*
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* Match a cgsix.
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*/
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int
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cgsixmatch(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct sbus_attach_args *sa = aux;
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return (strcmp(cf->cf_name, sa->sa_name) == 0);
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}
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/*
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* Attach a cgsix.
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*/
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void
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cgsixattach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct cgsix_softc *sc = (struct cgsix_softc *)self;
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struct sbusdev *sd = &((struct cgsix_sbus_softc *)self)->bss_sd;
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struct sbus_attach_args *sa = aux;
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struct fbdevice *fb = &sc->sc_fb;
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int node, isconsole;
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const char *name;
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bus_space_handle_t bh;
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/* Remember cookies for cgsix_mmap() */
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sc->sc_bustag = sa->sa_bustag;
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sc->sc_paddr = sbus_bus_addr(sa->sa_bustag, sa->sa_slot, sa->sa_offset);
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node = sa->sa_node;
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fb->fb_device = &sc->sc_dev;
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fb->fb_type.fb_type = FBTYPE_SUNFAST_COLOR;
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fb->fb_flags = sc->sc_dev.dv_cfdata->cf_flags & FB_USERMASK;
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fb->fb_type.fb_depth = 8;
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fb_setsize_obp(fb, fb->fb_type.fb_depth, 1152, 900, node);
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/*
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* Dunno what the PROM has mapped, though obviously it must have
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* the video RAM mapped. Just map what we care about for ourselves
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* (the FHC, THC, and Brooktree registers).
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*/
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if (sbus_bus_map(sa->sa_bustag,
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sa->sa_slot,
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sa->sa_offset + CGSIX_BT_OFFSET,
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sizeof(*sc->sc_bt),
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BUS_SPACE_MAP_LINEAR, &bh) != 0) {
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printf("%s: cannot map brooktree registers\n", self->dv_xname);
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return;
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}
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sc->sc_bt = (struct bt_regs *)bus_space_vaddr(sa->sa_bustag, bh);
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if (sbus_bus_map(sa->sa_bustag,
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sa->sa_slot,
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sa->sa_offset + CGSIX_FHC_OFFSET,
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sizeof(*sc->sc_fhc),
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BUS_SPACE_MAP_LINEAR, &bh) != 0) {
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printf("%s: cannot map FHC registers\n", self->dv_xname);
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return;
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}
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sc->sc_fhc = (int *)bus_space_vaddr(sa->sa_bustag, bh);
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if (sbus_bus_map(sa->sa_bustag,
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sa->sa_slot,
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sa->sa_offset + CGSIX_THC_OFFSET,
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sizeof(*sc->sc_thc),
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BUS_SPACE_MAP_LINEAR, &bh) != 0) {
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printf("%s: cannot map THC registers\n", self->dv_xname);
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return;
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}
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sc->sc_thc = (struct cg6_thc *)bus_space_vaddr(sa->sa_bustag, bh);
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if (sbus_bus_map(sa->sa_bustag,
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sa->sa_slot,
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sa->sa_offset + CGSIX_TEC_OFFSET,
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sizeof(*sc->sc_tec),
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BUS_SPACE_MAP_LINEAR, &bh) != 0) {
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printf("%s: cannot map TEC registers\n", self->dv_xname);
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return;
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}
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sc->sc_tec = (struct cg6_tec_xxx *)bus_space_vaddr(sa->sa_bustag, bh);
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if (sbus_bus_map(sa->sa_bustag,
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sa->sa_slot,
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sa->sa_offset + CGSIX_FBC_OFFSET,
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sizeof(*sc->sc_fbc),
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BUS_SPACE_MAP_LINEAR, &bh) != 0) {
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printf("%s: cannot map FBC registers\n", self->dv_xname);
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return;
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}
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sc->sc_fbc = (struct cg6_fbc *)bus_space_vaddr(sa->sa_bustag, bh);
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sbus_establish(sd, &sc->sc_dev);
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name = prom_getpropstring(node, "model");
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isconsole = fb_is_console(node);
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/* we need the address of the framebuffer, no matter if we're console or not. */
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sc->sc_ramsize = prom_getpropint(node, "fbmapped", 1024 * 1024);
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if (sbus_bus_map(sa->sa_bustag,
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sa->sa_slot,
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sa->sa_offset + CGSIX_RAM_OFFSET,
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sc->sc_ramsize,
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BUS_SPACE_MAP_LINEAR, &bh) != 0) {
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printf("%s: cannot map pixels\n", self->dv_xname);
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return;
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}
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sc->sc_fb.fb_pixels = (caddr_t)bus_space_vaddr(sa->sa_bustag, bh);
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cg6attach(sc, name, isconsole);
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}
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