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 * $FreeBSD: src/sys/dev/acpi_support/acpi_sony.c,v 1.14 2010/02/07 18:36:30 gavin Exp $ 27 */ 28 29 #include "opt_acpi.h" 30 #include <sys/param.h> 31 #include <sys/kernel.h> 32 #include <sys/bus.h> 33 34 #include "acpi.h" 35 36 #include "acpi_if.h" 37 #include <sys/module.h> 38 #include <dev/acpica/acpivar.h> 39 #include <sys/sysctl.h> 40 41 #define _COMPONENT ACPI_OEM 42 ACPI_MODULE_NAME("Sony") 43 44 #define ACPI_SONY_GET_PID "GPID" 45 46 /* 47 * SNY5001 48 * This is the ACPI handle for the "Sony Notebook Control" driver under 49 * Windows. 50 * It provides several methods within the ACPI namespace, including: 51 * [GS]BRT [GS]PBR [GS]CTR [GS]PCR [GS]CMI [CDPW GCDP]? GWDP PWAK PWRN 52 * 53 * SNY6001 54 * This is the ACPI handle for the "Sony Programmable I/O" driver under 55 * Windows. 56 * It is not yet supported by this driver, but provides control over the 57 * power to the bluetooth, built-in camera and HSDPA modem devices in some 58 * laptops, and also allows some control of the fan speed. 59 */ 60 61 struct acpi_sony_softc { 62 int pid; 63 struct sysctl_ctx_list sysctl_ctx; 64 struct sysctl_oid *sysctl_tree; 65 }; 66 static struct acpi_sony_name_list 67 { 68 char *nodename; 69 char *getmethod; 70 char *setmethod; 71 char *comment; 72 } acpi_sony_oids[] = { 73 { "brightness", "GBRT", "SBRT", "Display Brightness"}, 74 { "brightness_default", "GPBR", "SPBR", "Default Display Brightness"}, 75 { "contrast", "GCTR", "SCTR", "Display Contrast"}, 76 { "bass_gain", "GMGB", "SMGB", "Multimedia Bass Gain"}, 77 { "pcr", "GPCR", "SPCR", "???"}, 78 #if 0 79 { "cmi", "GCMI", "SCMI", "???"}, 80 #endif 81 { "wdp", "GWDP", NULL, "???"}, 82 { "cdp", "GCDP", "CDPW", "CD Power"}, /*shares [\GL03]&0x8 flag*/ 83 { "azp", "GAZP", "AZPW", "Audio Power"}, 84 { "lnp", "GLNP", "LNPW", "LAN Power"}, 85 { NULL, NULL, NULL } 86 }; 87 88 static int acpi_sony_probe(device_t dev); 89 static int acpi_sony_attach(device_t dev); 90 static int acpi_sony_detach(device_t dev); 91 static int sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS); 92 93 static device_method_t acpi_sony_methods[] = { 94 /* Device interface */ 95 DEVMETHOD(device_probe, acpi_sony_probe), 96 DEVMETHOD(device_attach, acpi_sony_attach), 97 DEVMETHOD(device_detach, acpi_sony_detach), 98 99 DEVMETHOD_END 100 }; 101 102 static driver_t acpi_sony_driver = { 103 "acpi_sony", 104 acpi_sony_methods, 105 sizeof(struct acpi_sony_softc), 106 }; 107 108 static devclass_t acpi_sony_devclass; 109 110 DRIVER_MODULE(acpi_sony, acpi, acpi_sony_driver, acpi_sony_devclass, 111 0, 0); 112 MODULE_DEPEND(acpi_sony, acpi, 1, 1, 1); 113 static char *sny_id[] = {"SNY5001", NULL}; 114 115 static int 116 acpi_sony_probe(device_t dev) 117 { 118 int ret = ENXIO; 119 120 if (ACPI_ID_PROBE(device_get_parent(dev), dev, sny_id)) { 121 device_set_desc(dev, "Sony notebook controller"); 122 ret = 0; 123 } 124 return (ret); 125 } 126 127 static int 128 acpi_sony_attach(device_t dev) 129 { 130 struct acpi_sony_softc *sc; 131 struct acpi_softc *acpi_sc; 132 int i; 133 134 sc = device_get_softc(dev); 135 acpi_sc = acpi_device_get_parent_softc(dev); 136 acpi_GetInteger(acpi_get_handle(dev), ACPI_SONY_GET_PID, &sc->pid); 137 device_printf(dev, "PID %x\n", sc->pid); 138 sysctl_ctx_init(&sc->sysctl_ctx); 139 sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx, 140 SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO, 141 "sony", CTLFLAG_RD, 0, ""); 142 for (i = 0 ; acpi_sony_oids[i].nodename != NULL; i++){ 143 SYSCTL_ADD_PROC(&sc->sysctl_ctx, 144 SYSCTL_CHILDREN(sc->sysctl_tree), 145 i, acpi_sony_oids[i].nodename , CTLTYPE_INT | 146 ((acpi_sony_oids[i].setmethod)? CTLFLAG_RW: CTLFLAG_RD), 147 dev, i, sysctl_acpi_sony_gen_handler, "I", 148 acpi_sony_oids[i].comment); 149 } 150 return (0); 151 } 152 153 static int 154 acpi_sony_detach(device_t dev) 155 { 156 struct acpi_sony_softc *sc; 157 158 sc = device_get_softc(dev); 159 sysctl_ctx_free(&sc->sysctl_ctx); 160 return (0); 161 } 162 163 #if 0 164 static int 165 acpi_sony_suspend(device_t dev) 166 { 167 struct acpi_sony_softc *sc = device_get_softc(dev); 168 return (0); 169 } 170 171 static int 172 acpi_sony_resume(device_t dev) 173 { 174 return (0); 175 } 176 #endif 177 178 static int 179 sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS) 180 { 181 device_t dev = arg1; 182 int function = oidp->oid_arg2; 183 int error = 0, val; 184 185 acpi_GetInteger(acpi_get_handle(dev), 186 acpi_sony_oids[function].getmethod, &val); 187 error = sysctl_handle_int(oidp, &val, 0, req); 188 if (error || !req->newptr || !acpi_sony_oids[function].setmethod) 189 return (error); 190 acpi_SetInteger(acpi_get_handle(dev), 191 acpi_sony_oids[function].setmethod, val); 192 return (0); 193 } 194