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