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 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 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 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 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