140 lines
4.3 KiB
C
140 lines
4.3 KiB
C
/* $NetBSD: ffb_mainbus.c,v 1.8 2005/12/11 12:19:09 christos Exp $ */
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/* $OpenBSD: creator_mainbus.c,v 1.4 2002/07/26 16:39:04 jason Exp $ */
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/*
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* Copyright (c) 2002 Jason L. Wright (jason@thought.net),
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* Federico G. Schwindt (fgsch@openbsd.org)
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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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* 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 Jason L. Wright
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ffb_mainbus.c,v 1.8 2005/12/11 12:19:09 christos Exp $");
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <machine/bus.h>
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#include <machine/autoconf.h>
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#include <machine/openfirm.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/sun/fbio.h>
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#include <dev/sun/fbvar.h>
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#include <sparc64/dev/ffbreg.h>
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#include <sparc64/dev/ffbvar.h>
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extern int prom_stdout_node;
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int ffb_mainbus_match(struct device *, struct cfdata *, void *);
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void ffb_mainbus_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(ffb_mainbus, sizeof(struct ffb_softc),
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ffb_mainbus_match, ffb_mainbus_attach, NULL, NULL);
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int
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ffb_mainbus_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct mainbus_attach_args *ma = aux;
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if (strcmp(ma->ma_name, "SUNW,ffb") == 0 ||
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strcmp(ma->ma_name, "SUNW,afb") == 0)
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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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ffb_mainbus_attach(struct device *parent, struct device *self, void *aux)
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{
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struct ffb_softc *sc = (struct ffb_softc *)self;
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struct mainbus_attach_args *ma = aux;
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int i, nregs;
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sc->sc_bt = ma->ma_bustag;
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nregs = min(ma->ma_nreg, FFB_NREGS);
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if (nregs < FFB_REG_DFB24) {
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printf(": no dfb24 regs found\n");
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goto fail1;
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}
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if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_DFB24].ur_paddr,
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ma->ma_reg[FFB_REG_DFB24].ur_len, BUS_SPACE_MAP_LINEAR,
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&sc->sc_pixel_h)) {
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printf(": failed to map dfb24\n");
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goto fail1;
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}
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if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_FBC].ur_paddr,
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ma->ma_reg[FFB_REG_FBC].ur_len, 0, &sc->sc_fbc_h)) {
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printf(": failed to map fbc\n");
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goto unmap_dfb24;
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}
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if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_DAC].ur_paddr,
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ma->ma_reg[FFB_REG_DAC].ur_len, 0, &sc->sc_dac_h)) {
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printf(": failed to map dac\n");
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goto unmap_fbc;
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}
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for (i = 0; i < nregs; i++) {
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sc->sc_addrs[i] = ma->ma_reg[i].ur_paddr;
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sc->sc_sizes[i] = ma->ma_reg[i].ur_len;
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}
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sc->sc_nreg = nregs;
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sc->sc_console = (prom_stdout_node == ma->ma_node);
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sc->sc_node = ma->ma_node;
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if (strcmp(ma->ma_name, "SUNW,afb") == 0)
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sc->sc_type = FFB_AFB;
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ffb_attach(sc);
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return;
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#if notyet
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unmap_dac:
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bus_space_unmap(sc->sc_bt, sc->sc_dac_h,
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ma->ma_reg[FFB_REG_DAC].ur_len);
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#endif
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unmap_fbc:
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bus_space_unmap(sc->sc_bt, sc->sc_fbc_h,
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ma->ma_reg[FFB_REG_FBC].ur_len);
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unmap_dfb24:
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bus_space_unmap(sc->sc_bt, sc->sc_pixel_h,
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ma->ma_reg[FFB_REG_DFB24].ur_len);
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fail1:
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return;
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}
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