sys/dev/acpica5/acpi_sony/acpi_sony.c

   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  * $FreeBSD: src/sys/dev/acpi_support/acpi_sony.c,v 1.13 2009/06/05 18:44:36 jkim
  26  */
  27
  28 #include <sys/cdefs.h>
  29
  30 #include "opt_acpi.h"
  31 #include <sys/param.h>
  32 #include <sys/kernel.h>
  33 #include <sys/bus.h>
  34
  35 #include "acpi.h"
  36
  37 #include "acpi_if.h"
  38 #include <sys/module.h>
  39 #include <dev/acpica5/acpivar.h>
  40 #include <sys/sysctl.h>
  41
  42 #define _COMPONENT      ACPI_OEM
  43 ACPI_MODULE_NAME("Sony")
  44
  45 #define ACPI_SONY_GET_BRIGHTNESS "GBRT"
  46 #define ACPI_SONY_SET_BRIGHTNESS "SBRT"
  47 #define ACPI_SONY_GET_PID "GPID"
  48
  49 /*
  50  * SNY5001
  51  *  [GS]BRT [GS]PBR [GS]CTR [GS]PCR [GS]CMI [CDPW GCDP]? GWDP PWAK PWRN
  52  *
  53  */
  54
  55 struct acpi_sony_softc {
  56         int pid;
  57         struct sysctl_ctx_list  sysctl_ctx;
  58         struct sysctl_oid       *sysctl_tree;
  59 };
  60 static struct acpi_sony_name_list
  61 {
  62         char *nodename;
  63         char *getmethod;
  64         char *setmethod;
  65         char *comment;
  66 } acpi_sony_oids[] = {
  67         { "brightness", "GBRT", "SBRT", "Display Brightness"},
  68         { "ctr", "GCTR", "SCTR", "??"},
  69         { "pcr", "GPCR", "SPCR", "???"},
  70 #if 0
  71         { "cmi", "GCMI", "SCMI", "????"},
  72 #endif
  73         { "wdp", "GWDP", NULL, "?????"},
  74         { "cdp", "GCDP", "CDPW", "CD Power"},  /*shares [\GL03]&0x8 flag*/
  75         { "azp", "GAZP", "AZPW", "Audio Power"},
  76         { NULL, NULL, NULL }
  77 };
  78
  79 static int      acpi_sony_probe(device_t dev);
  80 static int      acpi_sony_attach(device_t dev);
  81 static int      acpi_sony_detach(device_t dev);
  82 static int      sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS);
  83
  84 static device_method_t acpi_sony_methods[] = {
  85         /* Device interface */
  86         DEVMETHOD(device_probe, acpi_sony_probe),
  87         DEVMETHOD(device_attach, acpi_sony_attach),
  88         DEVMETHOD(device_detach, acpi_sony_detach),
  89
  90         {0, 0}
  91 };
  92
  93 static driver_t acpi_sony_driver = {
  94         "acpi_sony",
  95         acpi_sony_methods,
  96         sizeof(struct acpi_sony_softc),
  97 };
  98
  99 static devclass_t acpi_sony_devclass;
 100
 101 DRIVER_MODULE(acpi_sony, acpi, acpi_sony_driver, acpi_sony_devclass,
 102               0, 0);
 103 MODULE_DEPEND(acpi_sony, acpi, 1, 1, 1);
 104 static char    *sny_id[] = {"SNY5001", NULL};
 105
 106 static int
 107 acpi_sony_probe(device_t dev)
 108 {
 109         int ret = ENXIO;
 110
 111         if (ACPI_ID_PROBE(device_get_parent(dev), dev, sny_id)) {
 112                 device_set_desc(dev, "Sony notebook controller");
 113                 ret = 0;
 114         }
 115         return (ret);
 116 }
 117
 118 static int
 119 acpi_sony_attach(device_t dev)
 120 {
 121         struct acpi_sony_softc *sc;
 122         struct acpi_softc       *acpi_sc;
 123         int i;
 124
 125         sc = device_get_softc(dev);
 126         acpi_sc = acpi_device_get_parent_softc(dev);
 127         acpi_GetInteger(acpi_get_handle(dev), ACPI_SONY_GET_PID, &sc->pid);
 128         device_printf(dev, "PID %x\n", sc->pid);
 129         sysctl_ctx_init(&sc->sysctl_ctx);
 130         sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
 131                 SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO,
 132                 "sony", CTLFLAG_RD, 0, "");
 133         for (i = 0 ; acpi_sony_oids[i].nodename != NULL; i++){
 134                 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
 135                     SYSCTL_CHILDREN(sc->sysctl_tree),
 136                     i, acpi_sony_oids[i].nodename , CTLTYPE_INT |
 137                     ((acpi_sony_oids[i].setmethod)? CTLFLAG_RW: CTLFLAG_RD),
 138                     dev, i, sysctl_acpi_sony_gen_handler, "I",
 139                     acpi_sony_oids[i].comment);
 140         }
 141         return (0);
 142 }
 143
 144 static int
 145 acpi_sony_detach(device_t dev)
 146 {
 147         return (0);
 148 }
 149
 150 #if 0
 151 static int
 152 acpi_sony_suspend(device_t dev)
 153 {
 154         struct acpi_sony_softc *sc = device_get_softc(dev);
 155         return (0);
 156 }
 157
 158 static int
 159 acpi_sony_resume(device_t dev)
 160 {
 161         return (0);
 162 }
 163 #endif
 164
 165 static int
 166 sysctl_acpi_sony_gen_handler(SYSCTL_HANDLER_ARGS)
 167 {
 168         device_t        dev = arg1;
 169         int     function = oidp->oid_arg2;
 170         int             error = 0, val;
 171
 172         acpi_GetInteger(acpi_get_handle(dev),
 173             acpi_sony_oids[function].getmethod, &val);
 174         error = sysctl_handle_int(oidp, &val, 0, req);
 175         if (error || !req->newptr || !acpi_sony_oids[function].setmethod)
 176                 return (error);
 177         acpi_SetInteger(acpi_get_handle(dev),
 178             acpi_sony_oids[function].setmethod, val);
 179         return (0);
 180 }