コード例 #1
0
acpi_status
acpi_ev_init_global_lock_handler (void)
{
	acpi_status                     status;


	ACPI_FUNCTION_TRACE ("ev_init_global_lock_handler");


	acpi_gbl_global_lock_present = TRUE;
	status = acpi_install_fixed_event_handler (ACPI_EVENT_GLOBAL,
			  acpi_ev_global_lock_handler, NULL);

	/*
	 * If the global lock does not exist on this platform, the attempt
	 * to enable GBL_STATUS will fail (the GBL_ENABLE bit will not stick)
	 * Map to AE_OK, but mark global lock as not present.
	 * Any attempt to actually use the global lock will be flagged
	 * with an error.
	 */
	if (status == AE_NO_HARDWARE_RESPONSE) {
		acpi_gbl_global_lock_present = FALSE;
		status = AE_OK;
	}

	return_ACPI_STATUS (status);
}
コード例 #2
0
ファイル: evmisc.c プロジェクト: johnny/CobraDroidBeta
acpi_status acpi_ev_init_global_lock_handler(void)
{
	acpi_status status;

	ACPI_FUNCTION_TRACE(ev_init_global_lock_handler);

	/* Attempt installation of the global lock handler */

	status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL,
						  acpi_ev_global_lock_handler,
						  NULL);

	/*
	 * If the global lock does not exist on this platform, the attempt to
	 * enable GBL_STATUS will fail (the GBL_ENABLE bit will not stick).
	 * Map to AE_OK, but mark global lock as not present. Any attempt to
	 * actually use the global lock will be flagged with an error.
	 */
	if (status == AE_NO_HARDWARE_RESPONSE) {
		ACPI_ERROR((AE_INFO,
			    "No response from Global Lock hardware, disabling lock"));

		acpi_gbl_global_lock_present = FALSE;
		return_ACPI_STATUS(AE_OK);
	}

	acpi_gbl_global_lock_present = TRUE;
	return_ACPI_STATUS(status);
}
コード例 #3
0
acpi_status acpi_ev_init_global_lock_handler(void)
{
	acpi_status status;

	ACPI_FUNCTION_TRACE(ev_init_global_lock_handler);

	

	if (acpi_gbl_reduced_hardware) {
		return_ACPI_STATUS(AE_OK);
	}

	

	status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL,
						  acpi_ev_global_lock_handler,
						  NULL);

	acpi_gbl_global_lock_present = FALSE;
	if (status == AE_NO_HARDWARE_RESPONSE) {
		ACPI_ERROR((AE_INFO,
			    "No response from Global Lock hardware, disabling lock"));

		return_ACPI_STATUS(AE_OK);
	}

	status = acpi_os_create_lock(&acpi_gbl_global_lock_pending_lock);
	if (ACPI_FAILURE(status)) {
		return_ACPI_STATUS(status);
	}

	acpi_gbl_global_lock_pending = FALSE;
	acpi_gbl_global_lock_present = TRUE;
	return_ACPI_STATUS(status);
}
コード例 #4
0
acpi_status acpi_ev_init_global_lock_handler(void)
{
	acpi_status status;

	ACPI_FUNCTION_TRACE(ev_init_global_lock_handler);

	status =
	    acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
				    (struct acpi_table_header **)&facs);
	if (ACPI_FAILURE(status)) {
		return_ACPI_STATUS(status);
	}

	acpi_gbl_global_lock_present = TRUE;
	status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL,
						  acpi_ev_global_lock_handler,
						  NULL);

	/*
	 * If the global lock does not exist on this platform, the attempt
	 * to enable GBL_STATUS will fail (the GBL_ENABLE bit will not stick)
	 * Map to AE_OK, but mark global lock as not present.
	 * Any attempt to actually use the global lock will be flagged
	 * with an error.
	 */
	if (status == AE_NO_HARDWARE_RESPONSE) {
		ACPI_ERROR((AE_INFO,
			    "No response from Global Lock hardware, disabling lock"));

		acpi_gbl_global_lock_present = FALSE;
		status = AE_OK;
	}

	return_ACPI_STATUS(status);
}
コード例 #5
0
ファイル: rtc-cmos.c プロジェクト: AICP/kernel_moto_shamu
static inline void rtc_wake_setup(struct device *dev)
{
	acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, dev);
	/*
	 * After the RTC handler is installed, the Fixed_RTC event should
	 * be disabled. Only when the RTC alarm is set will it be enabled.
	 */
	acpi_clear_event(ACPI_EVENT_RTC);
	acpi_disable_event(ACPI_EVENT_RTC, 0);
}
コード例 #6
0
static int acpi_device_install_notify_handler(struct acpi_device *device)
{
	acpi_status status;

	if (device->device_type == ACPI_BUS_TYPE_POWER_BUTTON)
		status =
		    acpi_install_fixed_event_handler(ACPI_EVENT_POWER_BUTTON,
						     acpi_device_fixed_event,
						     device);
	else if (device->device_type == ACPI_BUS_TYPE_SLEEP_BUTTON)
		status =
		    acpi_install_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON,
						     acpi_device_fixed_event,
						     device);
	else
		status = acpi_install_notify_handler(device->handle,
						     ACPI_DEVICE_NOTIFY,
						     acpi_device_notify,
						     device);

	if (ACPI_FAILURE(status))
		return -EINVAL;
	return 0;
}
コード例 #7
0
static inline void rtc_wake_setup(void)
{
	acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL);
	acpi_clear_event(ACPI_EVENT_RTC);
	acpi_disable_event(ACPI_EVENT_RTC, 0);
}
コード例 #8
0
ファイル: bn.c プロジェクト: GunioRobot/MI424WR_GEN2_Rev_E-F
acpi_status
bn_add_device(
	BM_HANDLE		device_handle,
	void			**context)
{
	acpi_status		status = AE_OK;
	BM_DEVICE		*device = NULL;
	BN_CONTEXT		*button = NULL;

	FUNCTION_TRACE("bn_add_device");

	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Adding button device [%02x].\n", device_handle));

	if (!context || *context) {
		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid context.\n"));
		return_ACPI_STATUS(AE_BAD_PARAMETER);
	}

	/*
	 * Get information on this device.
	 */
	status = bm_get_device_info( device_handle, &device );
	if (ACPI_FAILURE(status)) {
		return_ACPI_STATUS(status);
	}

	/*
	 * Allocate a new BN_CONTEXT structure.
	 */
	button = acpi_os_callocate(sizeof(BN_CONTEXT));
	if (!button) {
		return_ACPI_STATUS(AE_NO_MEMORY);
	}

	button->device_handle = device->handle;
	button->acpi_handle = device->acpi_handle;

	/*
	 * Power Button?
	 * -------------
	 * Either fixed-feature or generic (namespace) types.
	 */
	if (strncmp(device->id.hid, BN_HID_POWER_BUTTON,
		sizeof(BM_DEVICE_HID)) == 0) {

		if (device->id.type == BM_TYPE_FIXED_BUTTON) {

			button->type = BN_TYPE_POWER_BUTTON_FIXED;

			/* Register for fixed-feature events. */
			status = acpi_install_fixed_event_handler(
				ACPI_EVENT_POWER_BUTTON, bn_notify_fixed,
				(void*)button);
		}
		else {
			button->type = BN_TYPE_POWER_BUTTON;
		}

	}

	/*
	 * Sleep Button?
	 * -------------
	 * Either fixed-feature or generic (namespace) types.
	 */
	else if (strncmp( device->id.hid, BN_HID_SLEEP_BUTTON,
		sizeof(BM_DEVICE_HID)) == 0) {

		if (device->id.type == BM_TYPE_FIXED_BUTTON) {

			button->type = BN_TYPE_SLEEP_BUTTON_FIXED;

			/* Register for fixed-feature events. */
			status = acpi_install_fixed_event_handler(
				ACPI_EVENT_SLEEP_BUTTON, bn_notify_fixed,
				(void*)button);
		}
		else {
			button->type = BN_TYPE_SLEEP_BUTTON;
		}
	}

	/*
	 * LID Switch?
	 * -----------
	 */
	else if (strncmp( device->id.hid, BN_HID_LID_SWITCH,
		sizeof(BM_DEVICE_HID)) == 0) {
		button->type = BN_TYPE_LID_SWITCH;
	}

	status = bn_osl_add_device(button);
	if (ACPI_FAILURE(status)) {
		goto end;
	}

	*context = button;

	bn_print(button);

end:
	if (ACPI_FAILURE(status)) {
		acpi_os_free(button);
	}

	return_ACPI_STATUS(status);
}
コード例 #9
0
ファイル: button.c プロジェクト: iPodLinux/linux-2.4.24-ipod
static int
acpi_button_add (
	struct acpi_device	*device)
{
	int			result = 0;
	acpi_status		status = AE_OK;
	struct acpi_button	*button = NULL;

	static struct acpi_device *power_button;
	static struct acpi_device *sleep_button;
	static struct acpi_device *lid_button;

	ACPI_FUNCTION_TRACE("acpi_button_add");

	if (!device)
		return_VALUE(-EINVAL);

	button = kmalloc(sizeof(struct acpi_button), GFP_KERNEL);
	if (!button)
		return_VALUE(-ENOMEM);
	memset(button, 0, sizeof(struct acpi_button));

	button->device = device;
	button->handle = device->handle;
	acpi_driver_data(device) = button;

	/*
	 * Determine the button type (via hid), as fixed-feature buttons
	 * need to be handled a bit differently than generic-space.
	 */
	if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_POWER)) {
		button->type = ACPI_BUTTON_TYPE_POWER;
		sprintf(acpi_device_name(device), "%s",
			ACPI_BUTTON_DEVICE_NAME_POWER);
		sprintf(acpi_device_class(device), "%s/%s", 
			ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_POWER);
	}
	else if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_POWERF)) {
		button->type = ACPI_BUTTON_TYPE_POWERF;
		sprintf(acpi_device_name(device), "%s",
			ACPI_BUTTON_DEVICE_NAME_POWERF);
		sprintf(acpi_device_class(device), "%s/%s", 
			ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_POWER);
	}
	else if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_SLEEP)) {
		button->type = ACPI_BUTTON_TYPE_SLEEP;
		sprintf(acpi_device_name(device), "%s",
			ACPI_BUTTON_DEVICE_NAME_SLEEP);
		sprintf(acpi_device_class(device), "%s/%s", 
			ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_SLEEP);
	}
	else if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_SLEEPF)) {
		button->type = ACPI_BUTTON_TYPE_SLEEPF;
		sprintf(acpi_device_name(device), "%s",
			ACPI_BUTTON_DEVICE_NAME_SLEEPF);
		sprintf(acpi_device_class(device), "%s/%s", 
			ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_SLEEP);
	}
	else if (!strcmp(acpi_device_hid(device), ACPI_BUTTON_HID_LID)) {
		button->type = ACPI_BUTTON_TYPE_LID;
		sprintf(acpi_device_name(device), "%s",
			ACPI_BUTTON_DEVICE_NAME_LID);
		sprintf(acpi_device_class(device), "%s/%s", 
			ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_LID);
	}
	else {
		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unsupported hid [%s]\n",
			acpi_device_hid(device)));
		result = -ENODEV;
		goto end;
	}

	/*
	 * Ensure only one button of each type is used.
	 */
	switch (button->type) {
	case ACPI_BUTTON_TYPE_POWER:
	case ACPI_BUTTON_TYPE_POWERF:
		if (!power_button)
			power_button = device;
		else {
			kfree(button);
			return_VALUE(-ENODEV);
		}
		break;
	case ACPI_BUTTON_TYPE_SLEEP:
	case ACPI_BUTTON_TYPE_SLEEPF:
		if (!sleep_button)
			sleep_button = device;
		else {
			kfree(button);
			return_VALUE(-ENODEV);
		}
		break;
	case ACPI_BUTTON_TYPE_LID:
		if (!lid_button)
			lid_button = device;
		else {
			kfree(button);
			return_VALUE(-ENODEV);
		}
		break;
	}

	result = acpi_button_add_fs(device);
	if (result)
		goto end;

	switch (button->type) {
	case ACPI_BUTTON_TYPE_POWERF:
		status = acpi_install_fixed_event_handler (
			ACPI_EVENT_POWER_BUTTON,
			acpi_button_notify_fixed,
			button);
		break;
	case ACPI_BUTTON_TYPE_SLEEPF:
		status = acpi_install_fixed_event_handler (
			ACPI_EVENT_SLEEP_BUTTON,
			acpi_button_notify_fixed,
			button);
		break;
	default:
		status = acpi_install_notify_handler (
			button->handle,
			ACPI_DEVICE_NOTIFY,
			acpi_button_notify,
			button);
		break;
	}

	if (ACPI_FAILURE(status)) {
		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
			"Error installing notify handler\n"));
		result = -ENODEV;
		goto end;
	}

	printk(KERN_INFO PREFIX "%s [%s]\n", 
		acpi_device_name(device), acpi_device_bid(device));

end:
	if (result) {
		acpi_button_remove_fs(device);
		kfree(button);
	}

	return_VALUE(result);
}