472 lines
13 KiB
C
472 lines
13 KiB
C
/*-
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* Copyright (c) 2004 Takanori Watanabe
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include "opt_acpi.h"
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <machine/cpufunc.h>
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#include "acpi.h"
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#include "acpi_if.h"
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#include <sys/module.h>
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#include <dev/acpica/acpivar.h>
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#include <sys/sysctl.h>
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#include <machine/clock.h>
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#define _COMPONENT ACPI_IBM
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ACPI_MODULE_NAME("IBM")
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#define IBM_RTC_MISCKEY 0x65
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#define IBM_RTC_BRIGHTNESS 0x6c
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#define IBM_RTC_MASK_BRI 0x7
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#define IBM_RTC_MASK_BRKEY 0x40
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#define IBM_RTC_KEYLIGHT 0x66
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#define IBM_RTC_MASK_KEYLIGHT 0x10
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#define IBM_RTC_VOLUME 0x6e
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#define IBM_RTC_MASK_VOL 0xf
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#define IBM_RTC_MASK_MUTE 0x40
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#define IBM_RTC_MASK_VOLKEY 0x80
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#define IBM_NAME_GET_WIRELESS "GBDC"
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#define IBM_NAME_SET_WIRELESS "SBDC"
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#define IBM_NAME_INTERFACE_VERSION "MHKV"
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#define IBM_NAME_AVAIL_MASK "MHKA"
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#define IBM_NAME_CURRENT_MASK "MHKN"
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#define IBM_NAME_MODIFY_MASK "MHKM"
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#define IBM_NAME_GET_EVENT "MHKP"
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#define IBM_NAME_ENABLE "MHKC"
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#if 0
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/* TPX31 Specific? */
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#define IBM_UCMS_VOLDN 0x0
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#define IBM_UCMS_VOLUP 0x1
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#define IBM_UCMS_MUTE 0x2
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#define IBM_UCMS_BRIUP 0x4
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#define IBM_UCMS_BRIDN 0x5
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#define IBM_UCMS_KEYLIGHT 0xe
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#endif
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struct acpi_ibm_softc {
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unsigned int ibm_version;
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unsigned int ibm_availmask;
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unsigned int ibm_initialmask;
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int ibm_enable;
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int device_flag;
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#define IBM_MHKN_AVAIL 1
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#define IBM_MHKM_AVAIL 2
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struct sysctl_oid *oid_bluetooth;
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struct sysctl_oid *oid_wlan;
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};
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static int acpi_ibm_probe(device_t dev);
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static int acpi_ibm_attach(device_t dev);
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static int acpi_ibm_detach(device_t dev);
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static void
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acpi_ibm_notify_handler(ACPI_HANDLE h, UINT32 notify,
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void *context);
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static int sysctl_acpi_ibm_mask_handler(SYSCTL_HANDLER_ARGS);
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static int sysctl_acpi_ibm_enable_handler(SYSCTL_HANDLER_ARGS);
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static int sysctl_acpi_ibm_misckey_handler(SYSCTL_HANDLER_ARGS);
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static int sysctl_acpi_ibm_volume_handler(SYSCTL_HANDLER_ARGS);
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static int sysctl_acpi_ibm_mute_handler(SYSCTL_HANDLER_ARGS);
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static int sysctl_acpi_ibm_brightness_handler(SYSCTL_HANDLER_ARGS);
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static int sysctl_acpi_ibm_keylight_handler(SYSCTL_HANDLER_ARGS);
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static int sysctl_acpi_ibm_wireless_handler(SYSCTL_HANDLER_ARGS);
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static int acpi_ibm_enable_mask(device_t dev, int val);
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static device_method_t acpi_ibm_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, acpi_ibm_probe),
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DEVMETHOD(device_attach, acpi_ibm_attach),
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DEVMETHOD(device_detach, acpi_ibm_detach),
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{0, 0}
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};
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static driver_t acpi_ibm_driver = {
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"acpi_ibm",
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acpi_ibm_methods,
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sizeof(struct acpi_ibm_softc),
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};
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static devclass_t acpi_ibm_devclass;
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DRIVER_MODULE(acpi_ibm, acpi, acpi_ibm_driver, acpi_ibm_devclass,
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0, 0);
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MODULE_DEPEND(acpi_ibm, acpi, 1, 1, 1);
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static char *ibm_id[] = {"IBM0068", NULL};
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static int
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acpi_ibm_probe(device_t dev)
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{
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struct acpi_ibm_softc *sc;
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int ret = ENXIO;
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sc = device_get_softc(dev);
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if (ACPI_ID_PROBE(device_get_parent(dev), dev, ibm_id)) {
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device_set_desc(dev, "IBM ThinkPad Button");
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ret = 0;
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}
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return (ret);
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}
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static int
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acpi_ibm_call_two_method(device_t dev, char *name, int val1, int val2)
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{
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ACPI_OBJECT arg [2];
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ACPI_OBJECT_LIST args = {.Count = 2,.Pointer = arg};
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arg[0].Type = ACPI_TYPE_INTEGER;
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arg[0].Integer.Value = val1;
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arg[1].Type = ACPI_TYPE_INTEGER;
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arg[1].Integer.Value = val2;
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return AcpiEvaluateObject(acpi_get_handle(dev), name, &args, NULL);
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}
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static int
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acpi_ibm_attach(device_t dev)
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{
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struct acpi_ibm_softc *sc;
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ACPI_STATUS status;
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ACPI_HANDLE h;
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int dummy;
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struct sysctl_oid *oid;
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ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
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sc = device_get_softc(dev);
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sc->device_flag = 0;
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if (ACPI_FAILURE
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(acpi_GetInteger(acpi_get_handle(dev), IBM_NAME_INTERFACE_VERSION, &sc->ibm_version))) {
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sc->ibm_version = 0;
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}
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device_printf(dev, "Version %x\n", sc->ibm_version);
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if (ACPI_FAILURE
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(acpi_GetInteger(acpi_get_handle(dev), IBM_NAME_AVAIL_MASK, &sc->ibm_availmask)))
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sc->ibm_availmask = 0xffffffff;
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if (ACPI_FAILURE
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(acpi_GetInteger(acpi_get_handle(dev), IBM_NAME_CURRENT_MASK, &sc->ibm_initialmask)))
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sc->ibm_initialmask = 0xffffffff;
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else
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sc->device_flag |= IBM_MHKN_AVAIL;
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if (ACPI_SUCCESS(status = AcpiGetHandle(acpi_get_handle(dev), IBM_NAME_MODIFY_MASK, &h)))
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sc->device_flag |= IBM_MHKM_AVAIL;
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else
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printf("%s\n", AcpiFormatException(status));
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device_printf(dev, "Available Mask %x\n", sc->ibm_availmask);
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device_printf(dev, "Initial Mask %x\n", sc->ibm_initialmask);
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/* Install Specific Handler */
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status = AcpiInstallNotifyHandler(acpi_get_handle(dev), ACPI_DEVICE_NOTIFY, acpi_ibm_notify_handler, dev);
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SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
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SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
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OID_AUTO, "key_mask", CTLTYPE_INT | CTLFLAG_RW,
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dev, 0,
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sysctl_acpi_ibm_mask_handler, "I", "Hot key mask");
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SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
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SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
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OID_AUTO, "version", CTLFLAG_RD,
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&sc->ibm_version, 0, "Interface version");
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SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
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SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
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OID_AUTO, "avail_mask", CTLFLAG_RD,
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&sc->ibm_availmask, 0, "Available Key mask");
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if (ACPI_FAILURE(acpi_SetInteger(acpi_get_handle(dev), IBM_NAME_ENABLE, 1)))
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goto fail;
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sc->ibm_enable = 1;
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SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
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SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
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OID_AUTO, "enable", CTLTYPE_INT | CTLFLAG_RW,
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dev, 0,
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sysctl_acpi_ibm_enable_handler, "I", "Hot key enable");
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SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
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SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
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OID_AUTO, "misckey", CTLTYPE_INT | CTLFLAG_RD,
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dev, 0,
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sysctl_acpi_ibm_misckey_handler, "I", "Key Status: Poll me");
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SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
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SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
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OID_AUTO, "brightness", CTLTYPE_INT | CTLFLAG_RD,
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dev, 0,
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sysctl_acpi_ibm_brightness_handler, "I", "Brightness");
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SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
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SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
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OID_AUTO, "volume", CTLTYPE_INT | CTLFLAG_RD,
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dev, 0,
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sysctl_acpi_ibm_volume_handler, "I", "Volume");
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SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
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SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
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OID_AUTO, "mute", CTLTYPE_INT | CTLFLAG_RD,
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dev, 0,
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sysctl_acpi_ibm_mute_handler, "I", "Muting");
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SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
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SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
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OID_AUTO, "keylight", CTLTYPE_INT | CTLFLAG_RD,
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dev, 0,
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sysctl_acpi_ibm_keylight_handler, "I", "Key Light");
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if (ACPI_SUCCESS(acpi_GetInteger(acpi_get_handle(dev), IBM_NAME_GET_WIRELESS, &dummy))) {
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oid = SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
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SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
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OID_AUTO, "bluetooth", CTLTYPE_INT | CTLFLAG_RW, dev, 0,
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sysctl_acpi_ibm_wireless_handler, "I", "Bluetooth Enable");
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sc->oid_bluetooth = oid;
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oid = SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
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SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
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OID_AUTO, "wlan", CTLTYPE_INT | CTLFLAG_RW, dev, 0,
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sysctl_acpi_ibm_wireless_handler, "I", "WLAN Enable");
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sc->oid_wlan = oid;
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}
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return_VALUE(0);
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fail:
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device_printf(dev, "FAILED\n");
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AcpiRemoveNotifyHandler(acpi_get_handle(dev), ACPI_DEVICE_NOTIFY, acpi_ibm_notify_handler);
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return_VALUE(EINVAL);
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}
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static int
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acpi_ibm_detach(device_t dev)
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{
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ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
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struct acpi_ibm_softc *sc = device_get_softc(dev);
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acpi_SetInteger(acpi_get_handle(dev), IBM_NAME_ENABLE, 0);
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acpi_ibm_enable_mask(dev, sc->ibm_initialmask);
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AcpiRemoveNotifyHandler(acpi_get_handle(dev), ACPI_DEVICE_NOTIFY, acpi_ibm_notify_handler);
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return_VALUE(0);
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}
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#if 0
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static int
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acpi_ibm_suspend(device_t dev)
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{
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struct acpi_ibm_softc *sc = device_get_softc(dev);
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return_VALUE(0);
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}
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static int
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acpi_ibm_resume(device_t dev)
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{
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return (0);
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}
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#endif
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static void
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acpi_ibm_notify_handler(ACPI_HANDLE h, UINT32 notify,
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void *context)
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{
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int mhkp , arg, type;
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device_t dev = context;
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struct acpi_ibm_softc *sc = device_get_softc(dev);
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printf("IBM:NOTIFY:%x\n", notify);
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if (notify != 0x80) {
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printf("Unknown notify\n");
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}
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for (;;) {
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acpi_GetInteger(acpi_get_handle(dev), IBM_NAME_GET_EVENT, &mhkp);
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if (mhkp == 0) {
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break;
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}
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printf("notify:%x\n", mhkp);
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type = (mhkp >> 12) & 0xf;
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arg = mhkp & 0xfff;
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switch (type) {
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case 1:
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if (!(sc->ibm_availmask & (1 << (arg - 1)))) {
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printf("Unknown key %d\n", arg);
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break;
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}
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acpi_UserNotify("IBM", h, (arg & 0xff));
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break;
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default:
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break;
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}
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}
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}
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static int
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acpi_ibm_enable_mask(device_t dev, int val)
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{
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int i;
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struct acpi_ibm_softc *sc = device_get_softc(dev);
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if (!(sc->device_flag | IBM_MHKM_AVAIL)) {
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return -1;
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}
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for (i = 0; i < 32; i++) {
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acpi_ibm_call_two_method(dev, IBM_NAME_MODIFY_MASK, i + 1, 1);
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if (!((1 << i) & val))
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acpi_ibm_call_two_method(dev, IBM_NAME_MODIFY_MASK, i + 1, 0);
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}
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return 0;
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}
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static int
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sysctl_acpi_ibm_mask_handler(SYSCTL_HANDLER_ARGS)
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{
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device_t dev = arg1;
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int val = 0xffffffff;
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int error = 0;
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struct acpi_ibm_softc *sc = device_get_softc(dev);
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if (sc->device_flag & IBM_MHKN_AVAIL)
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acpi_GetInteger(acpi_get_handle(dev), IBM_NAME_CURRENT_MASK, &val);
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error = sysctl_handle_int(oidp, &val, 0, req);
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if (error || !req->newptr)
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return error;
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val &= sc->ibm_availmask;
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val |= sc->ibm_initialmask;
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acpi_ibm_enable_mask(dev, val);
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return 0;
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}
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static int
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sysctl_acpi_ibm_misckey_handler(SYSCTL_HANDLER_ARGS)
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{
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int val , error;
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val = rtcin(IBM_RTC_MISCKEY);
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error = sysctl_handle_int(oidp, &val, 0, req);
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if (error || !req->newptr)
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return error;
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return 0;
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}
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static int
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sysctl_acpi_ibm_brightness_handler(SYSCTL_HANDLER_ARGS)
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{
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int val , error;
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val = rtcin(IBM_RTC_BRIGHTNESS);
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val &= IBM_RTC_MASK_BRI;
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error = sysctl_handle_int(oidp, &val, 0, req);
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if (error || !req->newptr)
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return error;
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return 0;
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}
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static int
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sysctl_acpi_ibm_mute_handler(SYSCTL_HANDLER_ARGS)
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{
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int val , error;
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val = rtcin(IBM_RTC_VOLUME);
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val = ((val & IBM_RTC_MASK_MUTE) == IBM_RTC_MASK_MUTE);
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error = sysctl_handle_int(oidp, &val, 0, req);
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if (error || !req->newptr)
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return error;
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return 0;
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}
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static int
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sysctl_acpi_ibm_keylight_handler(SYSCTL_HANDLER_ARGS)
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{
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int val , error;
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val = ((rtcin(IBM_RTC_KEYLIGHT) & IBM_RTC_MASK_KEYLIGHT)
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== IBM_RTC_MASK_KEYLIGHT);
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error = sysctl_handle_int(oidp, &val, 0, req);
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if (error || !req->newptr)
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return error;
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return 0;
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}
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static int
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sysctl_acpi_ibm_volume_handler(SYSCTL_HANDLER_ARGS)
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{
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int val , error;
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val = rtcin(IBM_RTC_VOLUME);
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val &= IBM_RTC_MASK_VOL;
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error = sysctl_handle_int(oidp, &val, 0, req);
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if (error || !req->newptr)
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return error;
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return 0;
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}
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static int
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sysctl_acpi_ibm_enable_handler(SYSCTL_HANDLER_ARGS)
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{
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device_t dev = arg1;
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struct acpi_ibm_softc *sc = device_get_softc(dev);
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int error = 0;
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error = sysctl_handle_int(oidp, &sc->ibm_enable, 0, req);
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if (error || !req->newptr)
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return error;
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if (sc->ibm_enable)
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sc->ibm_enable = 1;
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else
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sc->ibm_enable = 0;
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acpi_SetInteger(acpi_get_handle(dev), IBM_NAME_ENABLE, sc->ibm_enable);
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return 0;
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}
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static int
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sysctl_acpi_ibm_wireless_handler(SYSCTL_HANDLER_ARGS)
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{
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device_t dev = arg1;
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struct acpi_ibm_softc *sc = device_get_softc(dev);
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int error = 0, val, oldval, mask;
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if (sc->oid_bluetooth == oidp) {
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mask = 2;
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} else if (sc->oid_wlan == oidp) {
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mask = 4;
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} else {
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printf("WARNING: wrong handler invoked\n");
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return ENOENT;
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}
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acpi_GetInteger(acpi_get_handle(dev), IBM_NAME_GET_WIRELESS, &oldval);
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val = !((oldval & mask) == 0);
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error = sysctl_handle_int(oidp, &val, 0, req);
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|
|
if (error || !req->newptr)
|
|
return error;
|
|
oldval &= (~mask);
|
|
if (val)
|
|
oldval |= mask;
|
|
acpi_SetInteger(acpi_get_handle(dev), IBM_NAME_SET_WIRELESS, oldval);
|
|
return 0;
|
|
|
|
|
|
}
|