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 #include "opt_acpi.h"
29 #include <sys/param.h>
30 #include <sys/kernel.h>
31 #include <sys/bus.h>
32
33 #include <contrib/dev/acpica/include/acpi.h>
34
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_PID "GPID"
44
45 /*
46 * SNY5001
47 * This is the ACPI handle for the "Sony Notebook Control" driver under
48 * Windows.
49 * It provides several methods within the ACPI namespace, including:
50 * [GS]BRT [GS]PBR [GS]CTR [GS]PCR [GS]CMI [CDPW GCDP]? GWDP PWAK PWRN
51 *
52 * SNY6001
53 * This is the ACPI handle for the "Sony Programmable I/O" driver under
54 * Windows.
55 * It is not yet supported by this driver, but provides control over the
56 * power to the bluetooth, built-in camera and HSDPA modem devices in some
57 * laptops, and also allows some control of the fan speed.
58 */
59
60 struct acpi_sony_softc {
61 int pid;
62 };
63 static struct acpi_sony_name_list
64 {
65 char *nodename;
66 char *getmethod;
67 char *setmethod;
68 char *comment;
69 } acpi_sony_oids[] = {
70 { "brightness", "GBRT", "SBRT", "Display Brightness"},
71 { "brightness_default", "GPBR", "SPBR", "Default Display Brightness"},
72 { "contrast", "GCTR", "SCTR", "Display Contrast"},
73 { "bass_gain", "GMGB", "SMGB", "Multimedia Bass Gain"},
74 { "pcr", "GPCR", "SPCR", "???"},
75 #if 0
76 { "cmi", "GCMI", "SCMI", "???"},
77 #endif
78 { "wdp", "GWDP", NULL, "???"},
79 { "cdp", "GCDP", "CDPW", "CD Power"}, /*shares [\GL03]&0x8 flag*/
80 { "azp", "GAZP", "AZPW", "Audio Power"},
81 { "lnp", "GLNP", "LNPW", "LAN Power"},
82 { NULL, NULL, NULL }
83 };
84
85 static int acpi_sony_probe(device_t dev);
86 static int acpi_sony_attach(device_t dev);
87 static int acpi_sony_detach(device_t dev);
88 static int sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS);
89
90 static device_method_t acpi_sony_methods[] = {
91 /* Device interface */
92 DEVMETHOD(device_probe, acpi_sony_probe),
93 DEVMETHOD(device_attach, acpi_sony_attach),
94 DEVMETHOD(device_detach, acpi_sony_detach),
95
96 DEVMETHOD_END
97 };
98
99 static driver_t acpi_sony_driver = {
100 "acpi_sony",
101 acpi_sony_methods,
102 sizeof(struct acpi_sony_softc),
103 };
104
105 DRIVER_MODULE(acpi_sony, acpi, acpi_sony_driver, 0, 0);
106 MODULE_DEPEND(acpi_sony, acpi, 1, 1, 1);
107 static char *sny_id[] = {"SNY5001", NULL};
108
109 static int
acpi_sony_probe(device_t dev)110 acpi_sony_probe(device_t dev)
111 {
112 int ret;
113
114 ret = ACPI_ID_PROBE(device_get_parent(dev), dev, sny_id, NULL);
115 if (ret <= 0) {
116 device_set_desc(dev, "Sony notebook controller");
117 }
118 return (ret);
119 }
120
121 static int
acpi_sony_attach(device_t dev)122 acpi_sony_attach(device_t dev)
123 {
124 struct acpi_sony_softc *sc;
125 int i;
126
127 sc = device_get_softc(dev);
128 acpi_GetInteger(acpi_get_handle(dev), ACPI_SONY_GET_PID, &sc->pid);
129 device_printf(dev, "PID %x\n", sc->pid);
130 for (i = 0 ; acpi_sony_oids[i].nodename != NULL; i++) {
131 if (acpi_sony_oids[i].setmethod != NULL) {
132 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
133 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
134 i, acpi_sony_oids[i].nodename ,
135 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
136 dev, i, sysctl_acpi_sony_gen_handler, "I",
137 acpi_sony_oids[i].comment);
138 } else {
139 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
140 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
141 i, acpi_sony_oids[i].nodename ,
142 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
143 dev, i, sysctl_acpi_sony_gen_handler, "I",
144 acpi_sony_oids[i].comment);
145 }
146 }
147 return (0);
148 }
149
150 static int
acpi_sony_detach(device_t dev)151 acpi_sony_detach(device_t dev)
152 {
153 return (0);
154 }
155
156 #if 0
157 static int
158 acpi_sony_suspend(device_t dev)
159 {
160 struct acpi_sony_softc *sc = device_get_softc(dev);
161 return (0);
162 }
163
164 static int
165 acpi_sony_resume(device_t dev)
166 {
167 return (0);
168 }
169 #endif
170
171 static int
sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS)172 sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS)
173 {
174 device_t dev = arg1;
175 int function = oidp->oid_arg2;
176 int error = 0, val;
177
178 acpi_GetInteger(acpi_get_handle(dev),
179 acpi_sony_oids[function].getmethod, &val);
180 error = sysctl_handle_int(oidp, &val, 0, req);
181 if (error || !req->newptr || !acpi_sony_oids[function].setmethod)
182 return (error);
183 acpi_SetInteger(acpi_get_handle(dev),
184 acpi_sony_oids[function].setmethod, val);
185 return (0);
186 }
187