Added the pmc driver which supports power management controller of
old NEC PC-98NOTE. Submitted by: chi@bd.mbn.or.jp (Chiharu Shibata) MFC after: 1 week
This commit is contained in:
nyan
parent
db9a37a27a
commit
d59e014361
@ -395,6 +395,7 @@ pc98/pc98/pc98gdc.c optional gdc
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pc98/pc98/pc98kbd.c optional pckbd
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pc98/pc98/pc98_machdep.c standard
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pc98/pc98/pcaudio.c optional pca
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pc98/pc98/pmc.c optional pmc
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pc98/pc98/ppc.c optional ppc
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pc98/pc98/scgdcrndr.c optional sc gdc
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pc98/pc98/scterm-sck.c optional sc
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@ -136,6 +136,7 @@ SUBDIR+=aac \
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# smbfs \
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.if ${MACHINE} == "pc98"
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SUBDIR+=pmc
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SUBDIR+=snc
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.endif
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13
sys/modules/pmc/Makefile
Normal file
13
sys/modules/pmc/Makefile
Normal file
@ -0,0 +1,13 @@
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# $FreeBSD$
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.PATH: ${.CURDIR}/../../pc98/pc98
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KMOD= pmc
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SRCS= pmc.c
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SRCS+= bus_if.h device_if.h isa_if.h
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.if ${MACHINE} == "pc98"
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CFLAGS+= -DPC98
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.endif
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.include <bsd.kmod.mk>
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257
sys/pc98/cbus/pmc.c
Normal file
257
sys/pc98/cbus/pmc.c
Normal file
@ -0,0 +1,257 @@
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/*-
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* PMC (Power Management Controller of NEC PC-98Note) Driver
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*
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* Copyright (c) 2001 Chiharu Shibata.
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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. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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* $FreeBSD$
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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/eventhandler.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/types.h>
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#include <sys/conf.h>
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#include <sys/reboot.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <isa/isavar.h>
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struct pmc_isa_softc {
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struct resource *port_res;
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eventhandler_tag evt;
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int flags;
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};
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static int pmc_isa_alloc_resources __P((device_t));
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static void pmc_isa_release_resources __P((device_t));
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static int pmc_isa_probe __P((device_t));
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static int pmc_isa_attach __P((device_t));
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static int pmc_isa_detach __P((device_t));
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#define PMC_ISA_PORT 0x8f0
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#define PMC_ISA_PORTSIZE 4
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#define sc_inw(sc, port) \
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bus_space_read_2(rman_get_bustag((sc)->port_res), \
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rman_get_bushandle((sc)->port_res), (port))
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#define sc_outw(sc, port, value) \
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bus_space_write_2(rman_get_bustag((sc)->port_res), \
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rman_get_bushandle((sc)->port_res), (port), (value))
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static void
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pmc_poweroff(void *arg, int howto)
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{
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struct pmc_isa_softc *sc = (struct pmc_isa_softc *)arg;
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if (!sc->flags) {
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outb(0x5e8e, inb(0x5e8e) & ~0x11); /* FDD LED off */
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}
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if (!(howto & RB_POWEROFF)) {
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return;
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}
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sc_outw(sc, 0, 0x0044);
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sc_outw(sc, 2, 1 << 10);
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#if 1
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/* for 9801NS/T */
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sc_outw(sc, 0, 0xf00a);
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sc_outw(sc, 2, 1 << 9);
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#endif
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}
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static int
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pmc_isa_alloc_resources(device_t dev)
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{
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struct pmc_isa_softc *sc = device_get_softc(dev);
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int rid;
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bzero(sc, sizeof(*sc));
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rid = 0;
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sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
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0ul, ~0ul, PMC_ISA_PORTSIZE,
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RF_ACTIVE);
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if (sc->port_res == NULL) {
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return (ENOMEM);
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}
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return 0;
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}
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static void
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pmc_isa_release_resources(device_t dev)
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{
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struct pmc_isa_softc *sc = device_get_softc(dev);
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if (sc->port_res != NULL) {
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bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->port_res);
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}
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sc->port_res = NULL;
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}
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static int
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pmc_isa_probe(device_t dev)
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{
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struct pmc_isa_softc *sc = device_get_softc(dev);
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u_int port;
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u_int16_t save, tmp;
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#if 0
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if (isa_get_vendorid(dev)) {
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return ENXIO;
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}
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if (device_get_unit(dev) > 0) {
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printf("pmc: Only one PMC driver supported.\n");
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return ENXIO;
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}
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#endif
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port = isa_get_port(dev);
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if (port == -1) {
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port = PMC_ISA_PORT;
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}
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if (bootverbose) {
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device_printf(dev, "port = 0x%x\n", port);
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}
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if (bus_set_resource(dev, SYS_RES_IOPORT, 0, port, PMC_ISA_PORTSIZE)) {
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if (bootverbose) {
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device_printf(dev, "bus_set_resource failed\n");
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}
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return ENXIO;
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}
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if (pmc_isa_alloc_resources(dev)) {
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if (bootverbose) {
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device_printf(dev, "pmc_isa_alloc_resources failed\n");
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}
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return ENXIO;
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}
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/* Check the existence of PMC */
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sc_outw(sc, 0, 0x0052);
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save = sc_inw(sc, 2);
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tmp = save & ~0x3f;
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sc_outw(sc, 2, tmp);
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if (sc_inw(sc, 2) != tmp) {
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if (bootverbose) {
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device_printf(dev, "failed to clear index(0x0052)\n");
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}
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pmc_isa_release_resources(dev);
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return ENXIO;
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}
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tmp |= 0x3e;
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sc_outw(sc, 2, tmp);
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if (sc_inw(sc, 2) != tmp) {
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if (bootverbose) {
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device_printf(dev, "failed to set index(0x0052)\n");
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}
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pmc_isa_release_resources(dev);
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return ENXIO;
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}
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sc_outw(sc, 2, save);
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pmc_isa_release_resources(dev);
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device_set_desc(dev, "Power Management Controller");
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return 0;
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}
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static int
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pmc_isa_attach(device_t dev)
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{
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struct pmc_isa_softc *sc = device_get_softc(dev);
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int error;
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error = pmc_isa_alloc_resources(dev);
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if (error) {
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device_printf(dev, "resource allocation failed\n");
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return error;
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}
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/* Power the system off using PMC */
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sc->evt = EVENTHANDLER_REGISTER(shutdown_final, pmc_poweroff, sc,
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SHUTDOWN_PRI_LAST);
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sc->flags = device_get_flags(dev);
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return 0;
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}
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static int
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pmc_isa_detach(device_t dev)
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{
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struct pmc_isa_softc *sc = device_get_softc(dev);
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if (bootverbose) {
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device_printf(dev, "pmc_isa_detach called\n");
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}
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if (sc->evt != NULL) {
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EVENTHANDLER_DEREGISTER(shutdown_final, sc->evt);
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}
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sc->evt = NULL;
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pmc_isa_release_resources(dev);
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return 0;
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}
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#ifdef KLD_MODULE
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static void
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pmc_isa_identify(driver_t *drv, device_t dev)
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{
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if (BUS_ADD_CHILD(dev, ISA_ORDER_SPECULATIVE, "pmc", 0) == NULL) {
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printf("failed to add pmc driver\n");
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}
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}
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#endif
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static device_method_t pmc_isa_methods[] = {
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/* Device interface */
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#ifdef KLD_MODULE
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DEVMETHOD(device_identify, pmc_isa_identify),
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#endif
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DEVMETHOD(device_probe, pmc_isa_probe),
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DEVMETHOD(device_attach, pmc_isa_attach),
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DEVMETHOD(device_detach, pmc_isa_detach),
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{0, 0}
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};
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static driver_t pmc_isa_driver = {
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"pmc",
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pmc_isa_methods, sizeof(struct pmc_isa_softc),
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};
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devclass_t pmc_devclass;
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DRIVER_MODULE(pmc, isa, pmc_isa_driver, pmc_devclass, 0, 0);
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@ -126,6 +126,7 @@ device npx
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# Power management support (see NOTES for more options)
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#device apm
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#device pmc
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# Add suspend/resume support for the i8254.
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#device pmtimer
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@ -103,6 +103,9 @@ hint.npx.0.irq="8"
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#hint.apm.0.flags="0x20"
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#hint.pmtimer.0.at="isa"
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#hint.pmc.0.at="isa"
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#hint.pmc.0.port="0x8f0"
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hint.pcic.0.at="isa"
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#hint.pcic.0.irq="6" # Default to polling
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hint.pcic.0.port="0x3e0"
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257
sys/pc98/pc98/pmc.c
Normal file
257
sys/pc98/pc98/pmc.c
Normal file
@ -0,0 +1,257 @@
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/*-
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* PMC (Power Management Controller of NEC PC-98Note) Driver
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*
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* Copyright (c) 2001 Chiharu Shibata.
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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.
|
||||
* 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. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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||||
*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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* $FreeBSD$
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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/eventhandler.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/types.h>
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#include <sys/conf.h>
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#include <sys/reboot.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <isa/isavar.h>
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struct pmc_isa_softc {
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struct resource *port_res;
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eventhandler_tag evt;
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int flags;
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};
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static int pmc_isa_alloc_resources __P((device_t));
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static void pmc_isa_release_resources __P((device_t));
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static int pmc_isa_probe __P((device_t));
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static int pmc_isa_attach __P((device_t));
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static int pmc_isa_detach __P((device_t));
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#define PMC_ISA_PORT 0x8f0
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#define PMC_ISA_PORTSIZE 4
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#define sc_inw(sc, port) \
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bus_space_read_2(rman_get_bustag((sc)->port_res), \
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rman_get_bushandle((sc)->port_res), (port))
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#define sc_outw(sc, port, value) \
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bus_space_write_2(rman_get_bustag((sc)->port_res), \
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rman_get_bushandle((sc)->port_res), (port), (value))
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static void
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pmc_poweroff(void *arg, int howto)
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{
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struct pmc_isa_softc *sc = (struct pmc_isa_softc *)arg;
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if (!sc->flags) {
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outb(0x5e8e, inb(0x5e8e) & ~0x11); /* FDD LED off */
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}
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if (!(howto & RB_POWEROFF)) {
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return;
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}
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sc_outw(sc, 0, 0x0044);
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sc_outw(sc, 2, 1 << 10);
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#if 1
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/* for 9801NS/T */
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sc_outw(sc, 0, 0xf00a);
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sc_outw(sc, 2, 1 << 9);
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#endif
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}
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static int
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pmc_isa_alloc_resources(device_t dev)
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{
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struct pmc_isa_softc *sc = device_get_softc(dev);
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int rid;
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bzero(sc, sizeof(*sc));
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rid = 0;
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sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
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0ul, ~0ul, PMC_ISA_PORTSIZE,
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RF_ACTIVE);
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if (sc->port_res == NULL) {
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return (ENOMEM);
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}
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return 0;
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}
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static void
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pmc_isa_release_resources(device_t dev)
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{
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struct pmc_isa_softc *sc = device_get_softc(dev);
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if (sc->port_res != NULL) {
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bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->port_res);
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}
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sc->port_res = NULL;
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}
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static int
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pmc_isa_probe(device_t dev)
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{
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struct pmc_isa_softc *sc = device_get_softc(dev);
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u_int port;
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u_int16_t save, tmp;
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#if 0
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if (isa_get_vendorid(dev)) {
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return ENXIO;
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}
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if (device_get_unit(dev) > 0) {
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printf("pmc: Only one PMC driver supported.\n");
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return ENXIO;
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}
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#endif
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port = isa_get_port(dev);
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if (port == -1) {
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port = PMC_ISA_PORT;
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}
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if (bootverbose) {
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device_printf(dev, "port = 0x%x\n", port);
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}
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if (bus_set_resource(dev, SYS_RES_IOPORT, 0, port, PMC_ISA_PORTSIZE)) {
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if (bootverbose) {
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device_printf(dev, "bus_set_resource failed\n");
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}
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return ENXIO;
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}
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if (pmc_isa_alloc_resources(dev)) {
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if (bootverbose) {
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device_printf(dev, "pmc_isa_alloc_resources failed\n");
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}
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return ENXIO;
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}
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/* Check the existence of PMC */
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sc_outw(sc, 0, 0x0052);
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save = sc_inw(sc, 2);
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tmp = save & ~0x3f;
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sc_outw(sc, 2, tmp);
|
||||
if (sc_inw(sc, 2) != tmp) {
|
||||
if (bootverbose) {
|
||||
device_printf(dev, "failed to clear index(0x0052)\n");
|
||||
}
|
||||
|
||||
pmc_isa_release_resources(dev);
|
||||
return ENXIO;
|
||||
}
|
||||
|
||||
tmp |= 0x3e;
|
||||
sc_outw(sc, 2, tmp);
|
||||
if (sc_inw(sc, 2) != tmp) {
|
||||
if (bootverbose) {
|
||||
device_printf(dev, "failed to set index(0x0052)\n");
|
||||
}
|
||||
|
||||
pmc_isa_release_resources(dev);
|
||||
return ENXIO;
|
||||
}
|
||||
sc_outw(sc, 2, save);
|
||||
|
||||
pmc_isa_release_resources(dev);
|
||||
|
||||
device_set_desc(dev, "Power Management Controller");
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
pmc_isa_attach(device_t dev)
|
||||
{
|
||||
struct pmc_isa_softc *sc = device_get_softc(dev);
|
||||
int error;
|
||||
|
||||
error = pmc_isa_alloc_resources(dev);
|
||||
if (error) {
|
||||
device_printf(dev, "resource allocation failed\n");
|
||||
return error;
|
||||
}
|
||||
|
||||
/* Power the system off using PMC */
|
||||
sc->evt = EVENTHANDLER_REGISTER(shutdown_final, pmc_poweroff, sc,
|
||||
SHUTDOWN_PRI_LAST);
|
||||
sc->flags = device_get_flags(dev);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
pmc_isa_detach(device_t dev)
|
||||
{
|
||||
struct pmc_isa_softc *sc = device_get_softc(dev);
|
||||
|
||||
if (bootverbose) {
|
||||
device_printf(dev, "pmc_isa_detach called\n");
|
||||
}
|
||||
|
||||
if (sc->evt != NULL) {
|
||||
EVENTHANDLER_DEREGISTER(shutdown_final, sc->evt);
|
||||
}
|
||||
sc->evt = NULL;
|
||||
|
||||
pmc_isa_release_resources(dev);
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef KLD_MODULE
|
||||
static void
|
||||
pmc_isa_identify(driver_t *drv, device_t dev)
|
||||
{
|
||||
if (BUS_ADD_CHILD(dev, ISA_ORDER_SPECULATIVE, "pmc", 0) == NULL) {
|
||||
printf("failed to add pmc driver\n");
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
static device_method_t pmc_isa_methods[] = {
|
||||
/* Device interface */
|
||||
#ifdef KLD_MODULE
|
||||
DEVMETHOD(device_identify, pmc_isa_identify),
|
||||
#endif
|
||||
DEVMETHOD(device_probe, pmc_isa_probe),
|
||||
DEVMETHOD(device_attach, pmc_isa_attach),
|
||||
DEVMETHOD(device_detach, pmc_isa_detach),
|
||||
{0, 0}
|
||||
};
|
||||
|
||||
static driver_t pmc_isa_driver = {
|
||||
"pmc",
|
||||
pmc_isa_methods, sizeof(struct pmc_isa_softc),
|
||||
};
|
||||
|
||||
devclass_t pmc_devclass;
|
||||
|
||||
DRIVER_MODULE(pmc, isa, pmc_isa_driver, pmc_devclass, 0, 0);
|
||||
Loading…
Reference in New Issue
Block a user