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 115 acpi_sony_probe(device_t dev) 116 { 117 int ret; 118 119 ret = ACPI_ID_PROBE(device_get_parent(dev), dev, sny_id, NULL); 120 if (ret <= 0) { 121 device_set_desc(dev, "Sony notebook controller"); 122 } 123 return (ret); 124 } 125 126 static int 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 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 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