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 DRIVER_MODULE(acpi_sony, acpi, acpi_sony_driver, 0, 0); 108 MODULE_DEPEND(acpi_sony, acpi, 1, 1, 1); 109 static char *sny_id[] = {"SNY5001", NULL}; 110 111 static int 112 acpi_sony_probe(device_t dev) 113 { 114 int ret; 115 116 ret = ACPI_ID_PROBE(device_get_parent(dev), dev, sny_id, NULL); 117 if (ret <= 0) { 118 device_set_desc(dev, "Sony notebook controller"); 119 } 120 return (ret); 121 } 122 123 static int 124 acpi_sony_attach(device_t dev) 125 { 126 struct acpi_sony_softc *sc; 127 int i; 128 129 sc = device_get_softc(dev); 130 acpi_GetInteger(acpi_get_handle(dev), ACPI_SONY_GET_PID, &sc->pid); 131 device_printf(dev, "PID %x\n", sc->pid); 132 for (i = 0 ; acpi_sony_oids[i].nodename != NULL; i++) { 133 if (acpi_sony_oids[i].setmethod != NULL) { 134 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 135 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 136 i, acpi_sony_oids[i].nodename , 137 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, 138 dev, i, sysctl_acpi_sony_gen_handler, "I", 139 acpi_sony_oids[i].comment); 140 } else { 141 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 142 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 143 i, acpi_sony_oids[i].nodename , 144 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, 145 dev, i, sysctl_acpi_sony_gen_handler, "I", 146 acpi_sony_oids[i].comment); 147 } 148 } 149 return (0); 150 } 151 152 static int 153 acpi_sony_detach(device_t dev) 154 { 155 return (0); 156 } 157 158 #if 0 159 static int 160 acpi_sony_suspend(device_t dev) 161 { 162 struct acpi_sony_softc *sc = device_get_softc(dev); 163 return (0); 164 } 165 166 static int 167 acpi_sony_resume(device_t dev) 168 { 169 return (0); 170 } 171 #endif 172 173 static int 174 sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS) 175 { 176 device_t dev = arg1; 177 int function = oidp->oid_arg2; 178 int error = 0, val; 179 180 acpi_GetInteger(acpi_get_handle(dev), 181 acpi_sony_oids[function].getmethod, &val); 182 error = sysctl_handle_int(oidp, &val, 0, req); 183 if (error || !req->newptr || !acpi_sony_oids[function].setmethod) 184 return (error); 185 acpi_SetInteger(acpi_get_handle(dev), 186 acpi_sony_oids[function].setmethod, val); 187 return (0); 188 } 189