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ug_isa.c revision 1.6
      1  1.6  xtraeme /* $NetBSD: ug_isa.c,v 1.6 2008/03/26 16:09:37 xtraeme Exp $ */
      2  1.1  xtraeme 
      3  1.1  xtraeme /*
      4  1.1  xtraeme  * Copyright (c) 2007 Mihai Chelaru <kefren (at) netbsd.ro>
      5  1.1  xtraeme  * All rights reserved.
      6  1.1  xtraeme  *
      7  1.1  xtraeme  * Redistribution and use in source and binary forms, with or without
      8  1.1  xtraeme  * modification, are permitted provided that the following conditions
      9  1.1  xtraeme  * are met:
     10  1.1  xtraeme  * 1. Redistributions of source code must retain the above copyright
     11  1.1  xtraeme  *    notice, this list of conditions and the following disclaimer.
     12  1.1  xtraeme  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1  xtraeme  *    notice, this list of conditions and the following disclaimer in the
     14  1.1  xtraeme  *    documentation and/or other materials provided with the distribution.
     15  1.1  xtraeme  *
     16  1.1  xtraeme  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  1.1  xtraeme  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  1.1  xtraeme  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  1.1  xtraeme  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  1.1  xtraeme  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  1.1  xtraeme  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  1.1  xtraeme  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  1.1  xtraeme  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  1.1  xtraeme  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  1.1  xtraeme  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  1.1  xtraeme  */
     27  1.1  xtraeme 
     28  1.1  xtraeme /*
     29  1.1  xtraeme  * Driver for Abit uGuru (interface is inspired from it.c and nslm7x.c)
     30  1.1  xtraeme  * Inspired by olle sandberg linux driver as Abit didn't care to release docs
     31  1.1  xtraeme  * Support for uGuru 2005 from Louis Kruger and Hans de Goede linux driver
     32  1.1  xtraeme  */
     33  1.1  xtraeme 
     34  1.1  xtraeme #include <sys/cdefs.h>
     35  1.6  xtraeme __KERNEL_RCSID(0, "$NetBSD: ug_isa.c,v 1.6 2008/03/26 16:09:37 xtraeme Exp $");
     36  1.1  xtraeme 
     37  1.1  xtraeme #include <sys/param.h>
     38  1.1  xtraeme #include <sys/systm.h>
     39  1.1  xtraeme #include <sys/kernel.h>
     40  1.1  xtraeme #include <sys/proc.h>
     41  1.1  xtraeme #include <sys/device.h>
     42  1.1  xtraeme #include <sys/malloc.h>
     43  1.1  xtraeme #include <sys/errno.h>
     44  1.1  xtraeme #include <sys/conf.h>
     45  1.1  xtraeme #include <sys/envsys.h>
     46  1.1  xtraeme #include <sys/time.h>
     47  1.1  xtraeme 
     48  1.4       ad #include <sys/bus.h>
     49  1.4       ad #include <sys/intr.h>
     50  1.1  xtraeme 
     51  1.1  xtraeme #include <dev/isa/isareg.h>
     52  1.1  xtraeme #include <dev/isa/isavar.h>
     53  1.1  xtraeme 
     54  1.1  xtraeme #include <dev/sysmon/sysmonvar.h>
     55  1.1  xtraeme 
     56  1.1  xtraeme #include <dev/ic/ugreg.h>
     57  1.1  xtraeme #include <dev/ic/ugvar.h>
     58  1.1  xtraeme 
     59  1.1  xtraeme /* autoconf(9) functions */
     60  1.6  xtraeme static int  ug_isa_match(device_t, cfdata_t, void *);
     61  1.6  xtraeme static void ug_isa_attach(device_t, device_t, void *);
     62  1.6  xtraeme static int  ug_isa_detach(device_t, int);
     63  1.1  xtraeme 
     64  1.6  xtraeme CFATTACH_DECL_NEW(ug_isa, sizeof(struct ug_softc),
     65  1.3  xtraeme     ug_isa_match, ug_isa_attach, ug_isa_detach, NULL);
     66  1.1  xtraeme 
     67  1.1  xtraeme extern uint8_t ug_ver;
     68  1.1  xtraeme 
     69  1.1  xtraeme static int
     70  1.6  xtraeme ug_isa_match(device_t parent, cfdata_t match, void *aux)
     71  1.1  xtraeme {
     72  1.1  xtraeme 	struct isa_attach_args *ia = aux;
     73  1.1  xtraeme 	struct ug_softc wrap_sc;
     74  1.1  xtraeme 	bus_space_handle_t bsh;
     75  1.1  xtraeme 	uint8_t valc, vald;
     76  1.1  xtraeme 
     77  1.1  xtraeme 	if (ia->ia_nio < 1)     /* need base addr */
     78  1.1  xtraeme 		return 0;
     79  1.1  xtraeme 
     80  1.1  xtraeme 	if (ISA_DIRECT_CONFIG(ia))
     81  1.1  xtraeme 		return 0;
     82  1.1  xtraeme 
     83  1.1  xtraeme 	if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT)
     84  1.1  xtraeme 		return 0;
     85  1.1  xtraeme 
     86  1.1  xtraeme 	if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr, 8, 0, &bsh))
     87  1.1  xtraeme 		return 0;
     88  1.1  xtraeme 
     89  1.1  xtraeme 	valc = bus_space_read_1(ia->ia_iot, bsh, UG_CMD);
     90  1.1  xtraeme 	vald = bus_space_read_1(ia->ia_iot, bsh, UG_DATA);
     91  1.1  xtraeme 
     92  1.1  xtraeme 	ug_ver = 0;
     93  1.1  xtraeme 
     94  1.1  xtraeme 	/* Check for uGuru 2003 */
     95  1.1  xtraeme 
     96  1.1  xtraeme 	if (((vald == 0) || (vald == 8)) && (valc == 0xAC))
     97  1.1  xtraeme 		ug_ver = 1;
     98  1.1  xtraeme 
     99  1.1  xtraeme 	/* Check for uGuru 2005 */
    100  1.1  xtraeme 
    101  1.1  xtraeme 	wrap_sc.sc_iot = ia->ia_iot;
    102  1.1  xtraeme 	wrap_sc.sc_ioh = bsh;
    103  1.1  xtraeme 
    104  1.1  xtraeme 	if (ug2_sync(&wrap_sc) == 1)
    105  1.1  xtraeme 		ug_ver = 2;
    106  1.1  xtraeme 
    107  1.1  xtraeme 	/* unmap, prepare ia and bye */
    108  1.1  xtraeme 	bus_space_unmap(ia->ia_iot, bsh, 8);
    109  1.1  xtraeme 
    110  1.1  xtraeme 	if (ug_ver != 0) {
    111  1.1  xtraeme 		ia->ia_nio = 1;
    112  1.1  xtraeme 		ia->ia_io[0].ir_size = 8;
    113  1.1  xtraeme 		ia->ia_niomem = 0;
    114  1.1  xtraeme 		ia->ia_nirq = 0;
    115  1.1  xtraeme 		ia->ia_ndrq = 0;
    116  1.1  xtraeme 		return 1;
    117  1.1  xtraeme 	}
    118  1.1  xtraeme 
    119  1.1  xtraeme 	return 0;
    120  1.1  xtraeme 
    121  1.1  xtraeme }
    122  1.1  xtraeme 
    123  1.1  xtraeme static void
    124  1.6  xtraeme ug_isa_attach(device_t parent, device_t self, void *aux)
    125  1.1  xtraeme {
    126  1.6  xtraeme 	struct ug_softc *sc = device_private(self);
    127  1.1  xtraeme 	struct isa_attach_args *ia = aux;
    128  1.1  xtraeme 	int i;
    129  1.1  xtraeme 
    130  1.1  xtraeme 	if (bus_space_map(sc->sc_iot, ia->ia_io[0].ir_addr,
    131  1.1  xtraeme 	    8, 0, &sc->sc_ioh)) {
    132  1.1  xtraeme 		aprint_error(": can't map i/o space\n");
    133  1.1  xtraeme 		return;
    134  1.1  xtraeme 	}
    135  1.1  xtraeme 
    136  1.1  xtraeme 	ia->ia_iot = sc->sc_iot;
    137  1.1  xtraeme 	sc->version = ug_ver;
    138  1.1  xtraeme 
    139  1.1  xtraeme 	if (sc->version == 2) {
    140  1.6  xtraeme 		ug2_attach(self);
    141  1.1  xtraeme 		return;
    142  1.1  xtraeme 	}
    143  1.1  xtraeme 
    144  1.1  xtraeme 	aprint_normal(": Abit uGuru system monitor\n");
    145  1.1  xtraeme 
    146  1.1  xtraeme 	if (!ug_reset(sc))
    147  1.6  xtraeme 		aprint_error_dev(self, "reset failed.\n");
    148  1.1  xtraeme 
    149  1.1  xtraeme 	ug_setup_sensors(sc);
    150  1.5  xtraeme 	sc->sc_sme = sysmon_envsys_create();
    151  1.1  xtraeme 
    152  1.1  xtraeme 	for (i = 0; i < UG_NUM_SENSORS; i++) {
    153  1.5  xtraeme 		if (sysmon_envsys_sensor_attach(sc->sc_sme,
    154  1.5  xtraeme 						&sc->sc_sensor[i])) {
    155  1.5  xtraeme 			sysmon_envsys_destroy(sc->sc_sme);
    156  1.5  xtraeme 			return;
    157  1.5  xtraeme 		}
    158  1.1  xtraeme 	}
    159  1.1  xtraeme 
    160  1.5  xtraeme 	sc->sc_sme->sme_cookie = sc;
    161  1.5  xtraeme 	sc->sc_sme->sme_refresh = ug_refresh;
    162  1.1  xtraeme 
    163  1.5  xtraeme 	if (sysmon_envsys_register(sc->sc_sme)) {
    164  1.6  xtraeme 		aprint_error_dev(self, "unable to register with sysmon\n");
    165  1.5  xtraeme 		sysmon_envsys_destroy(sc->sc_sme);
    166  1.5  xtraeme 	}
    167  1.1  xtraeme 
    168  1.1  xtraeme }
    169  1.3  xtraeme 
    170  1.3  xtraeme static int
    171  1.6  xtraeme ug_isa_detach(device_t self, int flags)
    172  1.3  xtraeme {
    173  1.3  xtraeme 	struct ug_softc *sc = device_private(self);
    174  1.3  xtraeme 
    175  1.5  xtraeme 	sysmon_envsys_unregister(sc->sc_sme);
    176  1.3  xtraeme 	bus_space_unmap(sc->sc_iot, sc->sc_ioh, 8);
    177  1.3  xtraeme 	return 0;
    178  1.3  xtraeme }
    179  1.3  xtraeme 
    180