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 #include <contrib/dev/acpica/acpi.h> 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_BRIGHTNESS "GBRT" 44 #define ACPI_SONY_SET_BRIGHTNESS "SBRT" 45 #define ACPI_SONY_GET_PID "GPID" 46 47 /* 48 * SNY5001 49 * [GS]BRT [GS]PBR [GS]CTR [GS]PCR [GS]CMI [CDPW GCDP]? GWDP PWAK PWRN 50 * 51 */ 52 53 struct acpi_sony_softc { 54 int pid; 55 }; 56 static struct acpi_sony_name_list 57 { 58 char *nodename; 59 char *getmethod; 60 char *setmethod; 61 char *comment; 62 } acpi_sony_oids[] = { 63 { "brightness", "GBRT", "SBRT", "Display Brightness"}, 64 { "ctr", "GCTR", "SCTR", "??"}, 65 { "pcr", "GPCR", "SPCR", "???"}, 66 #if 0 67 { "cmi", "GCMI", "SCMI", "????"}, 68 #endif 69 { "wdp", "GWDP", NULL, "?????"}, 70 { "cdp", "GCDP", "CDPW", "CD Power"}, /*shares [\GL03]&0x8 flag*/ 71 { NULL, NULL, NULL } 72 }; 73 74 static int acpi_sony_probe(device_t dev); 75 static int acpi_sony_attach(device_t dev); 76 static int acpi_sony_detach(device_t dev); 77 static int sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS); 78 79 static device_method_t acpi_sony_methods[] = { 80 /* Device interface */ 81 DEVMETHOD(device_probe, acpi_sony_probe), 82 DEVMETHOD(device_attach, acpi_sony_attach), 83 DEVMETHOD(device_detach, acpi_sony_detach), 84 85 {0, 0} 86 }; 87 88 static driver_t acpi_sony_driver = { 89 "acpi_sony", 90 acpi_sony_methods, 91 sizeof(struct acpi_sony_softc), 92 }; 93 94 static devclass_t acpi_sony_devclass; 95 96 DRIVER_MODULE(acpi_sony, acpi, acpi_sony_driver, acpi_sony_devclass, 97 0, 0); 98 MODULE_DEPEND(acpi_sony, acpi, 1, 1, 1); 99 static char *sny_id[] = {"SNY5001", NULL}; 100 101 static int 102 acpi_sony_probe(device_t dev) 103 { 104 struct acpi_sony_softc *sc; 105 int ret = ENXIO; 106 107 sc = device_get_softc(dev); 108 109 if (ACPI_ID_PROBE(device_get_parent(dev), dev, sny_id)) { 110 device_set_desc(dev, "Sony notebook controller"); 111 ret = 0; 112 } 113 return (ret); 114 } 115 116 static int 117 acpi_sony_attach(device_t dev) 118 { 119 struct acpi_sony_softc *sc; 120 int i; 121 122 sc = device_get_softc(dev); 123 acpi_GetInteger(acpi_get_handle(dev), ACPI_SONY_GET_PID, &sc->pid); 124 device_printf(dev, "PID %x\n", sc->pid); 125 for (i = 0 ; acpi_sony_oids[i].nodename != NULL; i++){ 126 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 127 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 128 i, acpi_sony_oids[i].nodename , CTLTYPE_INT | 129 ((acpi_sony_oids[i].setmethod)? CTLFLAG_RW: CTLFLAG_RD), 130 dev, i, sysctl_acpi_sony_gen_handler, "I", 131 acpi_sony_oids[i].comment); 132 } 133 return (0); 134 } 135 136 static int 137 acpi_sony_detach(device_t dev) 138 { 139 return (0); 140 } 141 142 #if 0 143 static int 144 acpi_sony_suspend(device_t dev) 145 { 146 struct acpi_sony_softc *sc = device_get_softc(dev); 147 return (0); 148 } 149 150 static int 151 acpi_sony_resume(device_t dev) 152 { 153 return (0); 154 } 155 #endif 156 157 static int 158 sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS) 159 { 160 device_t dev = arg1; 161 int function = oidp->oid_arg2; 162 int error = 0, val; 163 164 acpi_GetInteger(acpi_get_handle(dev), 165 acpi_sony_oids[function].getmethod, &val); 166 error = sysctl_handle_int(oidp, &val, 0, req); 167 if (error || !req->newptr || !acpi_sony_oids[function].setmethod) 168 return (error); 169 acpi_SetInteger(acpi_get_handle(dev), 170 acpi_sony_oids[function].setmethod, val); 171 return (0); 172 } 173