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[FreeBSD/releng/7.2.git] / sys / dev / acpi_support / acpi_sony.c
1 /*-
2  * Copyright (c) 2004 Takanori Watanabe
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 #include "opt_acpi.h"
31 #include <sys/param.h>
32 #include <sys/kernel.h>
33 #include <sys/bus.h>
34 #include <contrib/dev/acpica/acpi.h>
35 #include "acpi_if.h"
36 #include <sys/module.h>
37 #include <dev/acpica/acpivar.h>
38 #include <sys/sysctl.h>
39
40 #define _COMPONENT      ACPI_OEM
41 ACPI_MODULE_NAME("Sony")
42
43 #define ACPI_SONY_GET_BRIGHTNESS "GBRT"
44 #define ACPI_SONY_SET_BRIGHTNESS "SBRT"
45 #define ACPI_SONY_GET_PID "GPID"
46
47 /*
48  * SNY5001
49  *  [GS]BRT [GS]PBR [GS]CTR [GS]PCR [GS]CMI [CDPW GCDP]? GWDP PWAK PWRN 
50  *
51  */
52
53 struct acpi_sony_softc {
54         int pid;
55 };
56 static struct acpi_sony_name_list
57 {
58         char *nodename;
59         char *getmethod;
60         char *setmethod;
61         char *comment;
62 } acpi_sony_oids[] = {
63         { "brightness", "GBRT", "SBRT", "Display Brightness"},
64         { "ctr", "GCTR", "SCTR", "??"},
65         { "pcr", "GPCR", "SPCR", "???"},
66 #if 0
67         { "cmi", "GCMI", "SCMI", "????"},
68 #endif
69         { "wdp", "GWDP", NULL, "?????"},
70         { "cdp", "GCDP", "CDPW", "CD Power"},  /*shares [\GL03]&0x8 flag*/
71         { NULL, NULL, NULL }
72 };
73
74 static int      acpi_sony_probe(device_t dev);
75 static int      acpi_sony_attach(device_t dev);
76 static int      acpi_sony_detach(device_t dev);
77 static int      sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS);
78
79 static device_method_t acpi_sony_methods[] = {
80         /* Device interface */
81         DEVMETHOD(device_probe, acpi_sony_probe),
82         DEVMETHOD(device_attach, acpi_sony_attach),
83         DEVMETHOD(device_detach, acpi_sony_detach),
84
85         {0, 0}
86 };
87
88 static driver_t acpi_sony_driver = {
89         "acpi_sony",
90         acpi_sony_methods,
91         sizeof(struct acpi_sony_softc),
92 };
93
94 static devclass_t acpi_sony_devclass;
95
96 DRIVER_MODULE(acpi_sony, acpi, acpi_sony_driver, acpi_sony_devclass,
97               0, 0);
98 MODULE_DEPEND(acpi_sony, acpi, 1, 1, 1);
99 static char    *sny_id[] = {"SNY5001", NULL};
100
101 static int
102 acpi_sony_probe(device_t dev)
103 {
104         struct acpi_sony_softc *sc;
105         int             ret = ENXIO;
106
107         sc = device_get_softc(dev);
108
109         if (ACPI_ID_PROBE(device_get_parent(dev), dev, sny_id)) {
110                 device_set_desc(dev, "Sony notebook controller");
111                 ret = 0;
112         }
113         return (ret);
114 }
115
116 static int
117 acpi_sony_attach(device_t dev)
118 {
119         struct acpi_sony_softc *sc;
120         int i;
121
122         sc = device_get_softc(dev);
123         acpi_GetInteger(acpi_get_handle(dev), ACPI_SONY_GET_PID, &sc->pid);
124         device_printf(dev, "PID %x\n", sc->pid);
125         for (i = 0 ; acpi_sony_oids[i].nodename != NULL; i++){
126                 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
127                     SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
128                     i, acpi_sony_oids[i].nodename , CTLTYPE_INT |
129                     ((acpi_sony_oids[i].setmethod)? CTLFLAG_RW: CTLFLAG_RD),
130                     dev, i, sysctl_acpi_sony_gen_handler, "I",
131                     acpi_sony_oids[i].comment);
132         }
133         return (0);
134 }
135
136 static int 
137 acpi_sony_detach(device_t dev)
138 {
139         return (0);
140 }
141
142 #if 0
143 static int
144 acpi_sony_suspend(device_t dev)
145 {
146         struct acpi_sony_softc *sc = device_get_softc(dev);
147         return (0);
148 }
149
150 static int
151 acpi_sony_resume(device_t dev)
152 {
153         return (0);
154 }
155 #endif
156
157 static int 
158 sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS)
159 {
160         device_t        dev = arg1;
161         int     function = oidp->oid_arg2;
162         int             error = 0, val;
163
164         acpi_GetInteger(acpi_get_handle(dev),
165             acpi_sony_oids[function].getmethod, &val);
166         error = sysctl_handle_int(oidp, &val, 0, req);
167         if (error || !req->newptr || !acpi_sony_oids[function].setmethod)
168                 return (error);
169         acpi_SetInteger(acpi_get_handle(dev),
170             acpi_sony_oids[function].setmethod, val);
171         return (0);
172 }