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
35 #include <contrib/dev/acpica/include/acpi.h>
36
37 #include "acpi_if.h"
38 #include <sys/module.h>
39 #include <dev/acpica/acpivar.h>
40 #include <sys/sysctl.h>
41
42 #define _COMPONENT ACPI_OEM
43 ACPI_MODULE_NAME("Sony")
44
45 #define ACPI_SONY_GET_PID "GPID"
46
47 /*
48 * SNY5001
49 * This is the ACPI handle for the "Sony Notebook Control" driver under
50 * Windows.
51 * It provides several methods within the ACPI namespace, including:
52 * [GS]BRT [GS]PBR [GS]CTR [GS]PCR [GS]CMI [CDPW GCDP]? GWDP PWAK PWRN
53 *
54 * SNY6001
55 * This is the ACPI handle for the "Sony Programmable I/O" driver under
56 * Windows.
57 * It is not yet supported by this driver, but provides control over the
58 * power to the bluetooth, built-in camera and HSDPA modem devices in some
59 * laptops, and also allows some control of the fan speed.
60 */
61
62 struct acpi_sony_softc {
63 int pid;
64 };
65 static struct acpi_sony_name_list
66 {
67 char *nodename;
68 char *getmethod;
69 char *setmethod;
70 char *comment;
71 } acpi_sony_oids[] = {
72 { "brightness", "GBRT", "SBRT", "Display Brightness"},
73 { "brightness_default", "GPBR", "SPBR", "Default Display Brightness"},
74 { "contrast", "GCTR", "SCTR", "Display Contrast"},
75 { "bass_gain", "GMGB", "SMGB", "Multimedia Bass Gain"},
76 { "pcr", "GPCR", "SPCR", "???"},
77 #if 0
78 { "cmi", "GCMI", "SCMI", "???"},
79 #endif
80 { "wdp", "GWDP", NULL, "???"},
81 { "cdp", "GCDP", "CDPW", "CD Power"}, /*shares [\GL03]&0x8 flag*/
82 { "azp", "GAZP", "AZPW", "Audio Power"},
83 { "lnp", "GLNP", "LNPW", "LAN Power"},
84 { NULL, NULL, NULL }
85 };
86
87 static int acpi_sony_probe(device_t dev);
88 static int acpi_sony_attach(device_t dev);
89 static int acpi_sony_detach(device_t dev);
90 static int sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS);
91
92 static device_method_t acpi_sony_methods[] = {
93 /* Device interface */
94 DEVMETHOD(device_probe, acpi_sony_probe),
95 DEVMETHOD(device_attach, acpi_sony_attach),
96 DEVMETHOD(device_detach, acpi_sony_detach),
97
98 DEVMETHOD_END
99 };
100
101 static driver_t acpi_sony_driver = {
102 "acpi_sony",
103 acpi_sony_methods,
104 sizeof(struct acpi_sony_softc),
105 };
106
107 static devclass_t acpi_sony_devclass;
108
109 DRIVER_MODULE(acpi_sony, acpi, acpi_sony_driver, acpi_sony_devclass,
110 0, 0);
111 MODULE_DEPEND(acpi_sony, acpi, 1, 1, 1);
112 static char *sny_id[] = {"SNY5001", NULL};
113
114 static int
acpi_sony_probe(device_t dev)115 acpi_sony_probe(device_t dev)
116 {
117 int ret = ENXIO;
118
119 if (ACPI_ID_PROBE(device_get_parent(dev), dev, sny_id)) {
120 device_set_desc(dev, "Sony notebook controller");
121 ret = 0;
122 }
123 return (ret);
124 }
125
126 static int
acpi_sony_attach(device_t dev)127 acpi_sony_attach(device_t dev)
128 {
129 struct acpi_sony_softc *sc;
130 int i;
131
132 sc = device_get_softc(dev);
133 acpi_GetInteger(acpi_get_handle(dev), ACPI_SONY_GET_PID, &sc->pid);
134 device_printf(dev, "PID %x\n", sc->pid);
135 for (i = 0 ; acpi_sony_oids[i].nodename != NULL; i++) {
136 if (acpi_sony_oids[i].setmethod != NULL) {
137 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
138 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
139 i, acpi_sony_oids[i].nodename ,
140 CTLTYPE_INT | CTLFLAG_RW,
141 dev, i, sysctl_acpi_sony_gen_handler, "I",
142 acpi_sony_oids[i].comment);
143 } else {
144 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
145 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
146 i, acpi_sony_oids[i].nodename ,
147 CTLTYPE_INT | CTLFLAG_RD,
148 dev, i, sysctl_acpi_sony_gen_handler, "I",
149 acpi_sony_oids[i].comment);
150 }
151 }
152 return (0);
153 }
154
155 static int
acpi_sony_detach(device_t dev)156 acpi_sony_detach(device_t dev)
157 {
158 return (0);
159 }
160
161 #if 0
162 static int
163 acpi_sony_suspend(device_t dev)
164 {
165 struct acpi_sony_softc *sc = device_get_softc(dev);
166 return (0);
167 }
168
169 static int
170 acpi_sony_resume(device_t dev)
171 {
172 return (0);
173 }
174 #endif
175
176 static int
sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS)177 sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS)
178 {
179 device_t dev = arg1;
180 int function = oidp->oid_arg2;
181 int error = 0, val;
182
183 acpi_GetInteger(acpi_get_handle(dev),
184 acpi_sony_oids[function].getmethod, &val);
185 error = sysctl_handle_int(oidp, &val, 0, req);
186 if (error || !req->newptr || !acpi_sony_oids[function].setmethod)
187 return (error);
188 acpi_SetInteger(acpi_get_handle(dev),
189 acpi_sony_oids[function].setmethod, val);
190 return (0);
191 }
192