165 lines
4.3 KiB
C
165 lines
4.3 KiB
C
/* $NetBSD: ug_isa.c,v 1.2 2007/07/01 07:37:20 xtraeme Exp $ */
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/*
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* Copyright (c) 2007 Mihai Chelaru <kefren@netbsd.ro>
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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 WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Driver for Abit uGuru (interface is inspired from it.c and nslm7x.c)
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* Inspired by olle sandberg linux driver as Abit didn't care to release docs
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* Support for uGuru 2005 from Louis Kruger and Hans de Goede linux driver
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ug_isa.c,v 1.2 2007/07/01 07:37:20 xtraeme Exp $");
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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/proc.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/errno.h>
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#include <sys/conf.h>
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#include <sys/envsys.h>
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#include <sys/time.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <dev/isa/isareg.h>
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#include <dev/isa/isavar.h>
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#include <dev/sysmon/sysmonvar.h>
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#include <dev/ic/ugreg.h>
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#include <dev/ic/ugvar.h>
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/* autoconf(9) functions */
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static int ug_isa_match(struct device *, struct cfdata *, void *);
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static void ug_isa_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(ug_isa, sizeof(struct ug_softc),
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ug_isa_match, ug_isa_attach, NULL, NULL);
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extern uint8_t ug_ver;
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static int
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ug_isa_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct isa_attach_args *ia = aux;
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struct ug_softc wrap_sc;
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bus_space_handle_t bsh;
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uint8_t valc, vald;
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if (ia->ia_nio < 1) /* need base addr */
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return 0;
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if (ISA_DIRECT_CONFIG(ia))
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return 0;
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if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT)
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return 0;
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if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr, 8, 0, &bsh))
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return 0;
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valc = bus_space_read_1(ia->ia_iot, bsh, UG_CMD);
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vald = bus_space_read_1(ia->ia_iot, bsh, UG_DATA);
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ug_ver = 0;
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/* Check for uGuru 2003 */
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if (((vald == 0) || (vald == 8)) && (valc == 0xAC))
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ug_ver = 1;
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/* Check for uGuru 2005 */
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wrap_sc.sc_iot = ia->ia_iot;
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wrap_sc.sc_ioh = bsh;
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if (ug2_sync(&wrap_sc) == 1)
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ug_ver = 2;
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/* unmap, prepare ia and bye */
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bus_space_unmap(ia->ia_iot, bsh, 8);
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if (ug_ver != 0) {
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ia->ia_nio = 1;
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ia->ia_io[0].ir_size = 8;
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ia->ia_niomem = 0;
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ia->ia_nirq = 0;
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ia->ia_ndrq = 0;
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return 1;
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}
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return 0;
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}
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static void
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ug_isa_attach(struct device *parent, struct device *self, void *aux)
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{
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struct ug_softc *sc = (void *)self;
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struct isa_attach_args *ia = aux;
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int i;
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if (bus_space_map(sc->sc_iot, ia->ia_io[0].ir_addr,
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8, 0, &sc->sc_ioh)) {
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aprint_error(": can't map i/o space\n");
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return;
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}
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ia->ia_iot = sc->sc_iot;
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sc->version = ug_ver;
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if (sc->version == 2) {
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ug2_attach(sc);
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return;
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}
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aprint_normal(": Abit uGuru system monitor\n");
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if (!ug_reset(sc))
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aprint_error("%s: reset failed.\n", sc->sc_dev.dv_xname);
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ug_setup_sensors(sc);
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for (i = 0; i < UG_NUM_SENSORS; i++) {
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sc->sc_data[i].sensor = i;
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sc->sc_data[i].state = ENVSYS_SVALID;
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}
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sc->sc_sysmon.sme_sensor_data = sc->sc_data;
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sc->sc_sysmon.sme_cookie = sc;
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sc->sc_sysmon.sme_gtredata = ug_gtredata;
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sc->sc_sysmon.sme_nsensors = UG_NUM_SENSORS;
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if (sysmon_envsys_register(&sc->sc_sysmon))
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aprint_error("%s: unable to register with sysmon\n",
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sc->sc_dev.dv_xname);
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}
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