Index: uspace/lib/c/generic/ddi.c
===================================================================
--- uspace/lib/c/generic/ddi.c	(revision 753bca36deef6be542a11061ac60bd262f76f43f)
+++ uspace/lib/c/generic/ddi.c	(revision fb0baeb42e478704ba0c07a4dcd341d233156b05)
@@ -96,4 +96,26 @@
 }
 
+/** Enable an interrupt.
+ * 
+ * @param irq the interrupt.
+ * 
+ * @return Zero on success, negative error code otherwise. 
+ */
+int interrupt_enable(int irq) 
+{
+	return __SYSCALL2(SYS_INTERRUPT_ENABLE, (sysarg_t) irq, 1);
+}
+
+/** Disable an interrupt.
+ * 
+ * @param irq the interrupt.
+ * 
+ * @return Zero on success, negative error code otherwise. 
+ */
+int interrupt_disable(int irq) 
+{
+	return __SYSCALL2(SYS_INTERRUPT_ENABLE, (sysarg_t) irq, 0);
+}
+
 /** Enable PIO for specified I/O range.
  *
Index: uspace/lib/c/generic/device/char.c
===================================================================
--- uspace/lib/c/generic/device/char.c	(revision fb0baeb42e478704ba0c07a4dcd341d233156b05)
+++ uspace/lib/c/generic/device/char.c	(revision fb0baeb42e478704ba0c07a4dcd341d233156b05)
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2010 Lenka Trochtova
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+ 
+ /** @addtogroup libc
+ * @{
+ */
+/** @file
+ */
+
+#include <ipc/dev_iface.h>
+#include <device/char.h>
+#include <errno.h>
+#include <async.h>
+#include <malloc.h>
+#include <stdio.h>
+
+/** Read to or write from the device using its character interface.
+ * 
+ * Helper function.
+ * 
+ * @param dev_phone phone to the device.
+ * @param buf the buffer for the data read from or written to the device.
+ * @param len the maximum length of the data to be read or written.
+ * @param read read from the device if true, write to it otherwise.
+ * 
+ * @return non-negative number of bytes actually read from or written to the device on success,
+ * negative error number otherwise.
+ * 
+ */
+static int rw_dev(int dev_phone, void *buf, size_t len, bool read) 
+{
+	ipc_call_t answer;
+	
+	async_serialize_start();
+	
+	aid_t req;
+	int ret;
+	
+	if (read) {
+		req = async_send_1(dev_phone, DEV_IFACE_ID(CHAR_DEV_IFACE), CHAR_READ_DEV, &answer);
+		ret = async_data_read_start(dev_phone, buf, len);		
+	} else {
+		req = async_send_1(dev_phone, DEV_IFACE_ID(CHAR_DEV_IFACE), CHAR_WRITE_DEV, &answer);
+		ret = async_data_write_start(dev_phone, buf, len);
+	}
+	
+	ipcarg_t rc;
+	if (ret != EOK) {		
+		async_wait_for(req, &rc);
+		async_serialize_end();
+		if (rc == EOK) {
+			return ret;
+		}
+		else {
+			return (int) rc;
+		}
+	}
+	
+	async_wait_for(req, &rc);
+	async_serialize_end();
+	
+	ret = (int)rc;
+	if (EOK != ret) {
+		return ret;
+	}
+	
+	return IPC_GET_ARG1(answer);	
+}
+
+/** Read from the device using its character interface.
+ * 
+ * @param dev_phone phone to the device.
+ * @param buf the output buffer for the data read from the device.
+ * @param len the maximum length of the data to be read.
+ * 
+ * @return non-negative number of bytes actually read from the device on success, negative error number otherwise.
+ */
+int read_dev(int dev_phone, void *buf, size_t len)
+{	
+	return rw_dev(dev_phone, buf, len, true);
+}
+
+/** Write to the device using its character interface.
+ * 
+ * @param dev_phone phone to the device.
+ * @param buf the input buffer containg the data to be written to the device.
+ * @param len the maximum length of the data to be written.
+ * 
+ * @return non-negative number of bytes actually written to the device on success, negative error number otherwise.
+ */
+int write_dev(int dev_phone, void *buf, size_t len)
+{
+	return rw_dev(dev_phone, buf, len, false);
+}
+
+  
+ /** @}
+ */
Index: uspace/lib/c/generic/device/hw_res.c
===================================================================
--- uspace/lib/c/generic/device/hw_res.c	(revision fb0baeb42e478704ba0c07a4dcd341d233156b05)
+++ uspace/lib/c/generic/device/hw_res.c	(revision fb0baeb42e478704ba0c07a4dcd341d233156b05)
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2010 Lenka Trochtova
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+ 
+ /** @addtogroup libc
+ * @{
+ */
+/** @file
+ */
+ 
+#include <device/hw_res.h>
+#include <errno.h>
+#include <async.h>
+#include <malloc.h>
+
+bool get_hw_resources(int dev_phone, hw_resource_list_t *hw_resources)
+{
+	ipcarg_t count = 0;
+	int rc = async_req_1_1(dev_phone, DEV_IFACE_ID(HW_RES_DEV_IFACE), GET_RESOURCE_LIST, &count);
+	hw_resources->count = count;
+	if (EOK != rc) {
+		return false;
+	}
+	
+	size_t size = count * sizeof(hw_resource_t);
+	hw_resources->resources = (hw_resource_t *)malloc(size);
+	if (NULL == hw_resources->resources) {
+		return false;
+	}
+	
+	rc = async_data_read_start(dev_phone, hw_resources->resources, size);
+	if (EOK != rc) {
+		free(hw_resources->resources);
+		hw_resources->resources = NULL;
+		return false;
+	}
+	 	 
+	return true;	 
+}
+
+bool enable_interrupt(int dev_phone)
+{
+	int rc = async_req_1_0(dev_phone, DEV_IFACE_ID(HW_RES_DEV_IFACE), ENABLE_INTERRUPT);
+	return rc == EOK;
+}
+ 
+ 
+ 
+ /** @}
+ */
Index: uspace/lib/c/generic/devman.c
===================================================================
--- uspace/lib/c/generic/devman.c	(revision fb0baeb42e478704ba0c07a4dcd341d233156b05)
+++ uspace/lib/c/generic/devman.c	(revision fb0baeb42e478704ba0c07a4dcd341d233156b05)
@@ -0,0 +1,294 @@
+/*
+ * Copyright (c) 2007 Josef Cejka
+ * Copyright (c) 2009 Jiri Svoboda
+ * Copyright (c) 2010 Lenka Trochtova
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+ 
+ /** @addtogroup libc
+ * @{
+ */
+/** @file
+ */
+
+#include <str.h>
+#include <stdio.h>
+#include <ipc/ipc.h>
+#include <ipc/services.h>
+#include <ipc/devman.h>
+#include <devman.h>
+#include <async.h>
+#include <errno.h>
+#include <malloc.h>
+#include <bool.h>
+#include <adt/list.h>
+
+static int devman_phone_driver = -1;
+static int devman_phone_client = -1;
+
+int devman_get_phone(devman_interface_t iface, unsigned int flags)
+{
+	switch (iface) {
+	case DEVMAN_DRIVER:
+		if (devman_phone_driver >= 0)
+			return devman_phone_driver;
+		
+		if (flags & IPC_FLAG_BLOCKING)
+			devman_phone_driver = ipc_connect_me_to_blocking(PHONE_NS,
+			    SERVICE_DEVMAN, DEVMAN_DRIVER, 0);
+		else
+			devman_phone_driver = ipc_connect_me_to(PHONE_NS,
+			    SERVICE_DEVMAN, DEVMAN_DRIVER, 0);
+		
+		return devman_phone_driver;
+	case DEVMAN_CLIENT:
+		if (devman_phone_client >= 0)
+			return devman_phone_client;
+		
+		if (flags & IPC_FLAG_BLOCKING)
+			devman_phone_client = ipc_connect_me_to_blocking(PHONE_NS,
+			    SERVICE_DEVMAN, DEVMAN_CLIENT, 0);
+		else
+			devman_phone_client = ipc_connect_me_to(PHONE_NS,
+			    SERVICE_DEVMAN, DEVMAN_CLIENT, 0);
+		
+		return devman_phone_client;
+	default:
+		return -1;
+	}
+}
+
+/** Register running driver with device manager. */
+int devman_driver_register(const char *name, async_client_conn_t conn)
+{
+	int phone = devman_get_phone(DEVMAN_DRIVER, IPC_FLAG_BLOCKING);
+	
+	if (phone < 0)
+		return phone;
+	
+	async_serialize_start();
+	
+	ipc_call_t answer;
+	aid_t req = async_send_2(phone, DEVMAN_DRIVER_REGISTER, 0, 0, &answer);
+	
+	ipcarg_t retval = async_data_write_start(phone, name, str_size(name));
+	if (retval != EOK) {
+		async_wait_for(req, NULL);
+		async_serialize_end();
+		return -1;
+	}
+	
+	async_set_client_connection(conn);
+	
+	ipcarg_t callback_phonehash;
+	ipc_connect_to_me(phone, 0, 0, 0, &callback_phonehash);
+	async_wait_for(req, &retval);
+	
+	async_serialize_end();
+	
+	return retval;
+}
+
+static int devman_send_match_id(int phone, match_id_t *match_id) \
+{
+	ipc_call_t answer;
+	async_send_1(phone, DEVMAN_ADD_MATCH_ID, match_id->score, &answer);
+	int retval = async_data_write_start(phone, match_id->id, str_size(match_id->id));
+	return retval;	
+}
+
+
+static int devman_send_match_ids(int phone, match_id_list_t *match_ids) 
+{
+	link_t *link = match_ids->ids.next;
+	match_id_t *match_id = NULL;
+	int ret = EOK;
+	
+	while (link != &match_ids->ids) {
+		match_id = list_get_instance(link, match_id_t, link); 
+		if (EOK != (ret = devman_send_match_id(phone, match_id))) 
+		{
+			printf("Driver failed to send match id, error number = %d\n", ret);
+			return ret;			
+		}
+		link = link->next;
+	}
+	return ret;	
+}
+
+int devman_child_device_register(
+	const char *name, match_id_list_t *match_ids, device_handle_t parent_handle, device_handle_t *handle)
+{		
+	int phone = devman_get_phone(DEVMAN_DRIVER, IPC_FLAG_BLOCKING);
+	
+	if (phone < 0)
+		return phone;
+	
+	async_serialize_start();
+	
+	int match_count = list_count(&match_ids->ids);	
+	ipc_call_t answer;
+	aid_t req = async_send_2(phone, DEVMAN_ADD_CHILD_DEVICE, parent_handle, match_count, &answer);
+
+	ipcarg_t retval = async_data_write_start(phone, name, str_size(name));
+	if (retval != EOK) {
+		async_wait_for(req, NULL);
+		async_serialize_end();
+		return retval;
+	}
+	
+	devman_send_match_ids(phone, match_ids);
+	
+	async_wait_for(req, &retval);
+	
+	async_serialize_end();
+	
+	if (retval != EOK) {
+		if (handle != NULL) {
+			*handle = -1;
+		}
+		return retval;
+	}	
+	
+	if (handle != NULL)
+		*handle = (int) IPC_GET_ARG1(answer);	
+		
+	return retval;
+}
+
+int devman_add_device_to_class(device_handle_t dev_handle, const char *class_name)
+{
+	int phone = devman_get_phone(DEVMAN_DRIVER, IPC_FLAG_BLOCKING);
+	
+	if (phone < 0)
+		return phone;
+	
+	async_serialize_start();
+	ipc_call_t answer;
+	aid_t req = async_send_1(phone, DEVMAN_ADD_DEVICE_TO_CLASS, dev_handle, &answer);
+	
+	ipcarg_t retval = async_data_write_start(phone, class_name, str_size(class_name));
+	if (retval != EOK) {
+		async_wait_for(req, NULL);
+		async_serialize_end();
+		return retval;
+	}
+	
+	async_wait_for(req, &retval);
+	async_serialize_end();
+	
+	return retval;	
+}
+
+void devman_hangup_phone(devman_interface_t iface)
+{
+	switch (iface) {
+	case DEVMAN_DRIVER:
+		if (devman_phone_driver >= 0) {
+			ipc_hangup(devman_phone_driver);
+			devman_phone_driver = -1;
+		}
+		break;
+	case DEVMAN_CLIENT:
+		if (devman_phone_client >= 0) {
+			ipc_hangup(devman_phone_client);
+			devman_phone_client = -1;
+		}
+		break;
+	default:
+		break;
+	}
+}
+
+int devman_device_connect(device_handle_t handle, unsigned int flags)
+{
+	int phone;
+	
+	if (flags & IPC_FLAG_BLOCKING) {
+		phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_DEVMAN,
+		    DEVMAN_CONNECT_TO_DEVICE, handle);
+	} else {
+		phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAN,
+		    DEVMAN_CONNECT_TO_DEVICE, handle);
+	}
+	
+	return phone;
+}
+
+int devman_parent_device_connect(device_handle_t handle, unsigned int flags)
+{
+	int phone;
+	
+	if (flags & IPC_FLAG_BLOCKING) {
+		phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_DEVMAN,
+		    DEVMAN_CONNECT_TO_PARENTS_DEVICE, handle);
+	} else {
+		phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAN,
+		    DEVMAN_CONNECT_TO_PARENTS_DEVICE, handle);
+	}
+	
+	return phone;
+}
+
+int devman_device_get_handle(const char *pathname, device_handle_t *handle, unsigned int flags)
+{
+	int phone = devman_get_phone(DEVMAN_CLIENT, flags);
+	
+	if (phone < 0)
+		return phone;
+	
+	async_serialize_start();
+	
+	ipc_call_t answer;
+	aid_t req = async_send_2(phone, DEVMAN_DEVICE_GET_HANDLE, flags, 0,
+	    &answer);
+	
+	ipcarg_t retval = async_data_write_start(phone, pathname, str_size(pathname));
+	if (retval != EOK) {
+		async_wait_for(req, NULL);
+		async_serialize_end();
+		return retval;
+	}
+	
+	async_wait_for(req, &retval);
+	
+	async_serialize_end();
+	
+	if (retval != EOK) {
+		if (handle != NULL)
+			*handle = (device_handle_t) -1;
+		return retval;
+	}
+	
+	if (handle != NULL)
+		*handle = (device_handle_t) IPC_GET_ARG1(answer);
+	
+	return retval;
+}
+
+
+/** @}
+ */
