Index: uspace/drv/uhci-hcd/Makefile
===================================================================
--- uspace/drv/uhci-hcd/Makefile	(revision c56c5b5b306dd05373aa73c0404742419a4e0cae)
+++ uspace/drv/uhci-hcd/Makefile	(revision c01cd32983241e62b21a5da0077ac54000bc035e)
@@ -37,5 +37,5 @@
 	transfer_list.c \
 	uhci.c \
-	uhci_hc.c \
+	hc.c \
 	uhci_rh.c \
 	uhci_struct/transfer_descriptor.c \
Index: uspace/drv/uhci-hcd/batch.c
===================================================================
--- uspace/drv/uhci-hcd/batch.c	(revision c56c5b5b306dd05373aa73c0404742419a4e0cae)
+++ uspace/drv/uhci-hcd/batch.c	(revision c01cd32983241e62b21a5da0077ac54000bc035e)
@@ -40,5 +40,4 @@
 #include "batch.h"
 #include "transfer_list.h"
-#include "uhci_hc.h"
 #include "utils/malloc32.h"
 #include "uhci_struct/transfer_descriptor.h"
Index: uspace/drv/uhci-hcd/hc.c
===================================================================
--- uspace/drv/uhci-hcd/hc.c	(revision c01cd32983241e62b21a5da0077ac54000bc035e)
+++ uspace/drv/uhci-hcd/hc.c	(revision c01cd32983241e62b21a5da0077ac54000bc035e)
@@ -0,0 +1,499 @@
+/*
+ * Copyright (c) 2011 Jan Vesely
+ * 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 drvusbuhcihc
+ * @{
+ */
+/** @file
+ * @brief UHCI Host controller driver routines
+ */
+#include <errno.h>
+#include <str_error.h>
+#include <adt/list.h>
+#include <libarch/ddi.h>
+
+#include <usb/debug.h>
+#include <usb/usb.h>
+#include <usb/ddfiface.h>
+#include <usb_iface.h>
+
+#include "hc.h"
+
+static irq_cmd_t uhci_cmds[] = {
+	{
+		.cmd = CMD_PIO_READ_16,
+		.addr = NULL, /* patched for every instance */
+		.dstarg = 1
+	},
+	{
+		.cmd = CMD_PIO_WRITE_16,
+		.addr = NULL, /* pathed for every instance */
+		.value = 0x1f
+	},
+	{
+		.cmd = CMD_ACCEPT
+	}
+};
+/*----------------------------------------------------------------------------*/
+static int hc_init_transfer_lists(hc_t *instance);
+static int hc_init_mem_structures(hc_t *instance);
+static void hc_init_hw(hc_t *instance);
+
+static int hc_interrupt_emulator(void *arg);
+static int hc_debug_checker(void *arg);
+
+static bool allowed_usb_packet(
+    bool low_speed, usb_transfer_type_t transfer, size_t size);
+/*----------------------------------------------------------------------------*/
+/** Initialize UHCI hcd driver structure
+ *
+ * @param[in] instance Memory place to initialize.
+ * @param[in] fun DDF function.
+ * @param[in] regs Address of I/O control registers.
+ * @param[in] size Size of I/O control registers.
+ * @return Error code.
+ * @note Should be called only once on any structure.
+ *
+ * Initializes memory structures, starts up hw, and launches debugger and
+ * interrupt fibrils.
+ */
+int hc_init(hc_t *instance, ddf_fun_t *fun,
+    void *regs, size_t reg_size, bool interrupts)
+{
+	assert(reg_size >= sizeof(regs_t));
+	int ret;
+
+#define CHECK_RET_DEST_FUN_RETURN(ret, message...) \
+	if (ret != EOK) { \
+		usb_log_error(message); \
+		if (instance->ddf_instance) \
+			ddf_fun_destroy(instance->ddf_instance); \
+		return ret; \
+	} else (void) 0
+
+	instance->hw_interrupts = interrupts;
+	instance->hw_failures = 0;
+
+	/* Setup UHCI function. */
+	instance->ddf_instance = fun;
+
+	/* allow access to hc control registers */
+	regs_t *io;
+	ret = pio_enable(regs, reg_size, (void**)&io);
+	CHECK_RET_DEST_FUN_RETURN(ret,
+	    "Failed(%d) to gain access to registers at %p: %s.\n",
+	    ret, str_error(ret), io);
+	instance->registers = io;
+	usb_log_debug("Device registers at %p(%u) accessible.\n",
+	    io, reg_size);
+
+	ret = hc_init_mem_structures(instance);
+	CHECK_RET_DEST_FUN_RETURN(ret,
+	    "Failed to initialize UHCI memory structures.\n");
+
+	hc_init_hw(instance);
+	if (!interrupts) {
+		instance->cleaner =
+		    fibril_create(hc_interrupt_emulator, instance);
+		fibril_add_ready(instance->cleaner);
+	} else {
+		/* TODO: enable interrupts here */
+	}
+
+	instance->debug_checker =
+	    fibril_create(hc_debug_checker, instance);
+//	fibril_add_ready(instance->debug_checker);
+
+	return EOK;
+#undef CHECK_RET_DEST_FUN_RETURN
+}
+/*----------------------------------------------------------------------------*/
+/** Initialize UHCI hc hw resources.
+ *
+ * @param[in] instance UHCI structure to use.
+ * For magic values see UHCI Design Guide
+ */
+void hc_init_hw(hc_t *instance)
+{
+	assert(instance);
+	regs_t *registers = instance->registers;
+
+	/* Reset everything, who knows what touched it before us */
+	pio_write_16(&registers->usbcmd, UHCI_CMD_GLOBAL_RESET);
+	async_usleep(10000); /* 10ms according to USB spec */
+	pio_write_16(&registers->usbcmd, 0);
+
+	/* Reset hc, all states and counters */
+	pio_write_16(&registers->usbcmd, UHCI_CMD_HCRESET);
+	do { async_usleep(10); }
+	while ((pio_read_16(&registers->usbcmd) & UHCI_CMD_HCRESET) != 0);
+
+	/* Set frame to exactly 1ms */
+	pio_write_8(&registers->sofmod, 64);
+
+	/* Set frame list pointer */
+	const uint32_t pa = addr_to_phys(instance->frame_list);
+	pio_write_32(&registers->flbaseadd, pa);
+
+	if (instance->hw_interrupts) {
+		/* Enable all interrupts, but resume interrupt */
+		pio_write_16(&instance->registers->usbintr,
+		    UHCI_INTR_CRC | UHCI_INTR_COMPLETE | UHCI_INTR_SHORT_PACKET);
+	}
+
+	uint16_t status = pio_read_16(&registers->usbcmd);
+	if (status != 0)
+		usb_log_warning("Previous command value: %x.\n", status);
+
+	/* Start the hc with large(64B) packet FSBR */
+	pio_write_16(&registers->usbcmd,
+	    UHCI_CMD_RUN_STOP | UHCI_CMD_MAX_PACKET | UHCI_CMD_CONFIGURE);
+}
+/*----------------------------------------------------------------------------*/
+/** Initialize UHCI hc memory structures.
+ *
+ * @param[in] instance UHCI structure to use.
+ * @return Error code
+ * @note Should be called only once on any structure.
+ *
+ * Structures:
+ *  - interrupt code (I/O addressses are customized per instance)
+ *  - transfer lists (queue heads need to be accessible by the hw)
+ *  - frame list page (needs to be one UHCI hw accessible 4K page)
+ */
+int hc_init_mem_structures(hc_t *instance)
+{
+	assert(instance);
+#define CHECK_RET_DEST_CMDS_RETURN(ret, message...) \
+	if (ret != EOK) { \
+		usb_log_error(message); \
+		if (instance->interrupt_code.cmds != NULL) \
+			free(instance->interrupt_code.cmds); \
+		return ret; \
+	} else (void) 0
+
+	/* Init interrupt code */
+	instance->interrupt_code.cmds = malloc(sizeof(uhci_cmds));
+	int ret = (instance->interrupt_code.cmds == NULL) ? ENOMEM : EOK;
+	CHECK_RET_DEST_CMDS_RETURN(ret,
+	    "Failed to allocate interrupt cmds space.\n");
+
+	{
+		irq_cmd_t *interrupt_commands = instance->interrupt_code.cmds;
+		memcpy(interrupt_commands, uhci_cmds, sizeof(uhci_cmds));
+		interrupt_commands[0].addr =
+		    (void*)&instance->registers->usbsts;
+		interrupt_commands[1].addr =
+		    (void*)&instance->registers->usbsts;
+		instance->interrupt_code.cmdcount =
+		    sizeof(uhci_cmds) / sizeof(irq_cmd_t);
+	}
+
+	/* Init transfer lists */
+	ret = hc_init_transfer_lists(instance);
+	CHECK_RET_DEST_CMDS_RETURN(ret, "Failed to init transfer lists.\n");
+	usb_log_debug("Initialized transfer lists.\n");
+
+	/* Init USB frame list page*/
+	instance->frame_list = get_page();
+	ret = instance ? EOK : ENOMEM;
+	CHECK_RET_DEST_CMDS_RETURN(ret, "Failed to get frame list page.\n");
+	usb_log_debug("Initialized frame list.\n");
+
+	/* Set all frames to point to the first queue head */
+	const uint32_t queue =
+	  instance->transfers_interrupt.queue_head_pa
+	  | LINK_POINTER_QUEUE_HEAD_FLAG;
+
+	unsigned i = 0;
+	for(; i < UHCI_FRAME_LIST_COUNT; ++i) {
+		instance->frame_list[i] = queue;
+	}
+
+	/* Init device keeper*/
+	usb_device_keeper_init(&instance->device_manager);
+	usb_log_debug("Initialized device manager.\n");
+
+	return EOK;
+#undef CHECK_RET_DEST_CMDS_RETURN
+}
+/*----------------------------------------------------------------------------*/
+/** Initialize UHCI hc transfer lists.
+ *
+ * @param[in] instance UHCI structure to use.
+ * @return Error code
+ * @note Should be called only once on any structure.
+ *
+ * Initializes transfer lists and sets them in one chain to support proper
+ * USB scheduling. Sets pointer table for quick access.
+ */
+int hc_init_transfer_lists(hc_t *instance)
+{
+	assert(instance);
+#define CHECK_RET_CLEAR_RETURN(ret, message...) \
+	if (ret != EOK) { \
+		usb_log_error(message); \
+		transfer_list_fini(&instance->transfers_bulk_full); \
+		transfer_list_fini(&instance->transfers_control_full); \
+		transfer_list_fini(&instance->transfers_control_slow); \
+		transfer_list_fini(&instance->transfers_interrupt); \
+		return ret; \
+	} else (void) 0
+
+	/* initialize TODO: check errors */
+	int ret;
+	ret = transfer_list_init(&instance->transfers_bulk_full, "BULK_FULL");
+	CHECK_RET_CLEAR_RETURN(ret, "Failed to init BULK list.");
+
+	ret = transfer_list_init(
+	    &instance->transfers_control_full, "CONTROL_FULL");
+	CHECK_RET_CLEAR_RETURN(ret, "Failed to init CONTROL FULL list.");
+
+	ret = transfer_list_init(
+	    &instance->transfers_control_slow, "CONTROL_SLOW");
+	CHECK_RET_CLEAR_RETURN(ret, "Failed to init CONTROL SLOW list.");
+
+	ret = transfer_list_init(&instance->transfers_interrupt, "INTERRUPT");
+	CHECK_RET_CLEAR_RETURN(ret, "Failed to init INTERRUPT list.");
+
+	transfer_list_set_next(&instance->transfers_control_full,
+		&instance->transfers_bulk_full);
+	transfer_list_set_next(&instance->transfers_control_slow,
+		&instance->transfers_control_full);
+	transfer_list_set_next(&instance->transfers_interrupt,
+		&instance->transfers_control_slow);
+
+	/*FSBR*/
+#ifdef FSBR
+	transfer_list_set_next(&instance->transfers_bulk_full,
+		&instance->transfers_control_full);
+#endif
+
+	/* Assign pointers to be used during scheduling */
+	instance->transfers[USB_SPEED_FULL][USB_TRANSFER_INTERRUPT] =
+	  &instance->transfers_interrupt;
+	instance->transfers[USB_SPEED_LOW][USB_TRANSFER_INTERRUPT] =
+	  &instance->transfers_interrupt;
+	instance->transfers[USB_SPEED_FULL][USB_TRANSFER_CONTROL] =
+	  &instance->transfers_control_full;
+	instance->transfers[USB_SPEED_LOW][USB_TRANSFER_CONTROL] =
+	  &instance->transfers_control_slow;
+	instance->transfers[USB_SPEED_FULL][USB_TRANSFER_BULK] =
+	  &instance->transfers_bulk_full;
+
+	return EOK;
+#undef CHECK_RET_CLEAR_RETURN
+}
+/*----------------------------------------------------------------------------*/
+/** Schedule batch for execution.
+ *
+ * @param[in] instance UHCI structure to use.
+ * @param[in] batch Transfer batch to schedule.
+ * @return Error code
+ *
+ * Checks for bandwidth availability and appends the batch to the proper queue.
+ */
+int hc_schedule(hc_t *instance, usb_transfer_batch_t *batch)
+{
+	assert(instance);
+	assert(batch);
+	const int low_speed = (batch->speed == USB_SPEED_LOW);
+	if (!allowed_usb_packet(
+	    low_speed, batch->transfer_type, batch->max_packet_size)) {
+		usb_log_warning(
+		    "Invalid USB packet specified %s SPEED %d %zu.\n",
+		    low_speed ? "LOW" : "FULL" , batch->transfer_type,
+		    batch->max_packet_size);
+		return ENOTSUP;
+	}
+	/* TODO: check available bandwidth here */
+
+	transfer_list_t *list =
+	    instance->transfers[batch->speed][batch->transfer_type];
+	assert(list);
+	transfer_list_add_batch(list, batch);
+
+	return EOK;
+}
+/*----------------------------------------------------------------------------*/
+/** Take action based on the interrupt cause.
+ *
+ * @param[in] instance UHCI structure to use.
+ * @param[in] status Value of the status register at the time of interrupt.
+ *
+ * Interrupt might indicate:
+ * - transaction completed, either by triggering IOC, SPD, or an error
+ * - some kind of device error
+ * - resume from suspend state (not implemented)
+ */
+void hc_interrupt(hc_t *instance, uint16_t status)
+{
+	assert(instance);
+	/* TODO: Resume interrupts are not supported */
+	/* Lower 2 bits are transaction error and transaction complete */
+	if (status & 0x3) {
+		transfer_list_remove_finished(&instance->transfers_interrupt);
+		transfer_list_remove_finished(&instance->transfers_control_slow);
+		transfer_list_remove_finished(&instance->transfers_control_full);
+		transfer_list_remove_finished(&instance->transfers_bulk_full);
+	}
+	/* bits 4 and 5 indicate hc error */
+	if (status & 0x18) {
+		usb_log_error("UHCI hardware failure!.\n");
+		++instance->hw_failures;
+		transfer_list_abort_all(&instance->transfers_interrupt);
+		transfer_list_abort_all(&instance->transfers_control_slow);
+		transfer_list_abort_all(&instance->transfers_control_full);
+		transfer_list_abort_all(&instance->transfers_bulk_full);
+
+		if (instance->hw_failures < UHCI_ALLOWED_HW_FAIL) {
+			/* reinitialize hw, this triggers virtual disconnect*/
+			hc_init_hw(instance);
+		} else {
+			usb_log_fatal("Too many UHCI hardware failures!.\n");
+			hc_fini(instance);
+		}
+	}
+}
+/*----------------------------------------------------------------------------*/
+/** Polling function, emulates interrupts.
+ *
+ * @param[in] arg UHCI hc structure to use.
+ * @return EOK (should never return)
+ */
+int hc_interrupt_emulator(void* arg)
+{
+	usb_log_debug("Started interrupt emulator.\n");
+	hc_t *instance = (hc_t*)arg;
+	assert(instance);
+
+	while (1) {
+		/* read and ack interrupts */
+		uint16_t status = pio_read_16(&instance->registers->usbsts);
+		pio_write_16(&instance->registers->usbsts, 0x1f);
+		if (status != 0)
+			usb_log_debug2("UHCI status: %x.\n", status);
+		hc_interrupt(instance, status);
+		async_usleep(UHCI_CLEANER_TIMEOUT);
+	}
+	return EOK;
+}
+/*---------------------------------------------------------------------------*/
+/** Debug function, checks consistency of memory structures.
+ *
+ * @param[in] arg UHCI structure to use.
+ * @return EOK (should never return)
+ */
+int hc_debug_checker(void *arg)
+{
+	hc_t *instance = (hc_t*)arg;
+	assert(instance);
+
+#define QH(queue) \
+	instance->transfers_##queue.queue_head
+
+	while (1) {
+		const uint16_t cmd = pio_read_16(&instance->registers->usbcmd);
+		const uint16_t sts = pio_read_16(&instance->registers->usbsts);
+		const uint16_t intr =
+		    pio_read_16(&instance->registers->usbintr);
+
+		if (((cmd & UHCI_CMD_RUN_STOP) != 1) || (sts != 0)) {
+			usb_log_debug2("Command: %X Status: %X Intr: %x\n",
+			    cmd, sts, intr);
+		}
+
+		uintptr_t frame_list =
+		    pio_read_32(&instance->registers->flbaseadd) & ~0xfff;
+		if (frame_list != addr_to_phys(instance->frame_list)) {
+			usb_log_debug("Framelist address: %p vs. %p.\n",
+			    frame_list, addr_to_phys(instance->frame_list));
+		}
+
+		int frnum = pio_read_16(&instance->registers->frnum) & 0x3ff;
+
+		uintptr_t expected_pa = instance->frame_list[frnum]
+		    & LINK_POINTER_ADDRESS_MASK;
+		uintptr_t real_pa = addr_to_phys(QH(interrupt));
+		if (expected_pa != real_pa) {
+			usb_log_debug("Interrupt QH: %p(frame: %d) vs. %p.\n",
+			    expected_pa, frnum, real_pa);
+		}
+
+		expected_pa = QH(interrupt)->next & LINK_POINTER_ADDRESS_MASK;
+		real_pa = addr_to_phys(QH(control_slow));
+		if (expected_pa != real_pa) {
+			usb_log_debug("Control Slow QH: %p vs. %p.\n",
+			    expected_pa, real_pa);
+		}
+
+		expected_pa = QH(control_slow)->next & LINK_POINTER_ADDRESS_MASK;
+		real_pa = addr_to_phys(QH(control_full));
+		if (expected_pa != real_pa) {
+			usb_log_debug("Control Full QH: %p vs. %p.\n",
+			    expected_pa, real_pa);
+		}
+
+		expected_pa = QH(control_full)->next & LINK_POINTER_ADDRESS_MASK;
+		real_pa = addr_to_phys(QH(bulk_full));
+		if (expected_pa != real_pa ) {
+			usb_log_debug("Bulk QH: %p vs. %p.\n",
+			    expected_pa, real_pa);
+		}
+		async_usleep(UHCI_DEBUGER_TIMEOUT);
+	}
+	return EOK;
+#undef QH
+}
+/*----------------------------------------------------------------------------*/
+/** Check transfer packets, for USB validity
+ *
+ * @param[in] low_speed Transfer speed.
+ * @param[in] transfer Transer type
+ * @param[in] size Maximum size of used packets
+ * @return True if transaction is allowed by USB specs, false otherwise
+ */
+bool allowed_usb_packet(
+    bool low_speed, usb_transfer_type_t transfer, size_t size)
+{
+	/* see USB specification chapter 5.5-5.8 for magic numbers used here */
+	switch(transfer)
+	{
+	case USB_TRANSFER_ISOCHRONOUS:
+		return (!low_speed && size < 1024);
+	case USB_TRANSFER_INTERRUPT:
+		return size <= (low_speed ? 8 : 64);
+	case USB_TRANSFER_CONTROL: /* device specifies its own max size */
+		return (size <= (low_speed ? 8 : 64));
+	case USB_TRANSFER_BULK: /* device specifies its own max size */
+		return (!low_speed && size <= 64);
+	}
+	return false;
+}
+/**
+ * @}
+ */
Index: uspace/drv/uhci-hcd/hc.h
===================================================================
--- uspace/drv/uhci-hcd/hc.h	(revision c01cd32983241e62b21a5da0077ac54000bc035e)
+++ uspace/drv/uhci-hcd/hc.h	(revision c01cd32983241e62b21a5da0077ac54000bc035e)
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2011 Jan Vesely
+ * 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 drvusbuhcihc
+ * @{
+ */
+/** @file
+ * @brief UHCI host controller driver structure
+ */
+#ifndef DRV_UHCI_UHCI_HC_H
+#define DRV_UHCI_UHCI_HC_H
+
+#include <fibril.h>
+#include <fibril_synch.h>
+#include <adt/list.h>
+#include <ddi.h>
+
+#include <usbhc_iface.h>
+#include <usb/host/device_keeper.h>
+
+#include "batch.h"
+#include "transfer_list.h"
+
+typedef struct uhci_regs {
+	uint16_t usbcmd;
+#define UHCI_CMD_MAX_PACKET (1 << 7)
+#define UHCI_CMD_CONFIGURE  (1 << 6)
+#define UHCI_CMD_DEBUG  (1 << 5)
+#define UHCI_CMD_FORCE_GLOBAL_RESUME  (1 << 4)
+#define UHCI_CMD_FORCE_GLOBAL_SUSPEND  (1 << 3)
+#define UHCI_CMD_GLOBAL_RESET  (1 << 2)
+#define UHCI_CMD_HCRESET  (1 << 1)
+#define UHCI_CMD_RUN_STOP  (1 << 0)
+
+	uint16_t usbsts;
+#define UHCI_STATUS_HALTED (1 << 5)
+#define UHCI_STATUS_PROCESS_ERROR (1 << 4)
+#define UHCI_STATUS_SYSTEM_ERROR (1 << 3)
+#define UHCI_STATUS_RESUME (1 << 2)
+#define UHCI_STATUS_ERROR_INTERRUPT (1 << 1)
+#define UHCI_STATUS_INTERRUPT (1 << 0)
+
+	uint16_t usbintr;
+#define UHCI_INTR_SHORT_PACKET (1 << 3)
+#define UHCI_INTR_COMPLETE (1 << 2)
+#define UHCI_INTR_RESUME (1 << 1)
+#define UHCI_INTR_CRC (1 << 0)
+
+	uint16_t frnum;
+	uint32_t flbaseadd;
+	uint8_t sofmod;
+} regs_t;
+
+#define UHCI_FRAME_LIST_COUNT 1024
+#define UHCI_CLEANER_TIMEOUT 10000
+#define UHCI_DEBUGER_TIMEOUT 5000000
+#define UHCI_ALLOWED_HW_FAIL 5
+
+typedef struct hc {
+	usb_device_keeper_t device_manager;
+
+	regs_t *registers;
+
+	link_pointer_t *frame_list;
+
+	transfer_list_t transfers_bulk_full;
+	transfer_list_t transfers_control_full;
+	transfer_list_t transfers_control_slow;
+	transfer_list_t transfers_interrupt;
+
+	transfer_list_t *transfers[2][4];
+
+	irq_code_t interrupt_code;
+
+	fid_t cleaner;
+	fid_t debug_checker;
+	bool hw_interrupts;
+	unsigned hw_failures;
+
+	ddf_fun_t *ddf_instance;
+} hc_t;
+
+int hc_init(hc_t *instance, ddf_fun_t *fun,
+    void *regs, size_t reg_size, bool interupts);
+
+int hc_schedule(hc_t *instance, usb_transfer_batch_t *batch);
+
+void hc_interrupt(hc_t *instance, uint16_t status);
+
+/** Safely dispose host controller internal structures
+ *
+ * @param[in] instance Host controller structure to use.
+ */
+static inline void hc_fini(hc_t *instance) { /* TODO: implement*/ };
+
+/** Get and cast pointer to the driver data
+ *
+ * @param[in] fun DDF function pointer
+ * @return cast pointer to driver_data
+ */
+static inline hc_t * fun_to_hc(ddf_fun_t *fun)
+	{ return (hc_t*)fun->driver_data; }
+#endif
+/**
+ * @}
+ */
Index: uspace/drv/uhci-hcd/iface.c
===================================================================
--- uspace/drv/uhci-hcd/iface.c	(revision c56c5b5b306dd05373aa73c0404742419a4e0cae)
+++ uspace/drv/uhci-hcd/iface.c	(revision c01cd32983241e62b21a5da0077ac54000bc035e)
@@ -40,5 +40,5 @@
 
 #include "iface.h"
-#include "uhci_hc.h"
+#include "hc.h"
 
 /** Reserve default address interface function
@@ -52,5 +52,5 @@
 {
 	assert(fun);
-	uhci_hc_t *hc = fun_to_uhci_hc(fun);
+	hc_t *hc = fun_to_hc(fun);
 	assert(hc);
 	usb_log_debug("Default address request with speed %d.\n", speed);
@@ -67,5 +67,5 @@
 {
 	assert(fun);
-	uhci_hc_t *hc = fun_to_uhci_hc(fun);
+	hc_t *hc = fun_to_hc(fun);
 	assert(hc);
 	usb_log_debug("Default address release.\n");
@@ -85,5 +85,5 @@
 {
 	assert(fun);
-	uhci_hc_t *hc = fun_to_uhci_hc(fun);
+	hc_t *hc = fun_to_hc(fun);
 	assert(hc);
 	assert(address);
@@ -108,5 +108,5 @@
 {
 	assert(fun);
-	uhci_hc_t *hc = fun_to_uhci_hc(fun);
+	hc_t *hc = fun_to_hc(fun);
 	assert(hc);
 	usb_log_debug("Address bind %d-%d.\n", address, handle);
@@ -124,5 +124,5 @@
 {
 	assert(fun);
-	uhci_hc_t *hc = fun_to_uhci_hc(fun);
+	hc_t *hc = fun_to_hc(fun);
 	assert(hc);
 	usb_log_debug("Address release %d.\n", address);
@@ -147,5 +147,5 @@
 {
 	assert(fun);
-	uhci_hc_t *hc = fun_to_uhci_hc(fun);
+	hc_t *hc = fun_to_hc(fun);
 	assert(hc);
 	usb_speed_t speed = usb_device_keeper_get_speed(&hc->device_manager, target.address);
@@ -160,5 +160,5 @@
 		return ENOMEM;
 	batch_interrupt_out(batch);
-	const int ret = uhci_hc_schedule(hc, batch);
+	const int ret = hc_schedule(hc, batch);
 	if (ret != EOK) {
 		batch_dispose(batch);
@@ -184,5 +184,5 @@
 {
 	assert(fun);
-	uhci_hc_t *hc = fun_to_uhci_hc(fun);
+	hc_t *hc = fun_to_hc(fun);
 	assert(hc);
 	usb_speed_t speed = usb_device_keeper_get_speed(&hc->device_manager, target.address);
@@ -196,5 +196,5 @@
 		return ENOMEM;
 	batch_interrupt_in(batch);
-	const int ret = uhci_hc_schedule(hc, batch);
+	const int ret = hc_schedule(hc, batch);
 	if (ret != EOK) {
 		batch_dispose(batch);
@@ -220,5 +220,5 @@
 {
 	assert(fun);
-	uhci_hc_t *hc = fun_to_uhci_hc(fun);
+	hc_t *hc = fun_to_hc(fun);
 	assert(hc);
 	usb_speed_t speed = usb_device_keeper_get_speed(&hc->device_manager, target.address);
@@ -233,5 +233,5 @@
 		return ENOMEM;
 	batch_bulk_out(batch);
-	const int ret = uhci_hc_schedule(hc, batch);
+	const int ret = hc_schedule(hc, batch);
 	if (ret != EOK) {
 		batch_dispose(batch);
@@ -257,5 +257,5 @@
 {
 	assert(fun);
-	uhci_hc_t *hc = fun_to_uhci_hc(fun);
+	hc_t *hc = fun_to_hc(fun);
 	assert(hc);
 	usb_speed_t speed = usb_device_keeper_get_speed(&hc->device_manager, target.address);
@@ -269,5 +269,5 @@
 		return ENOMEM;
 	batch_bulk_in(batch);
-	const int ret = uhci_hc_schedule(hc, batch);
+	const int ret = hc_schedule(hc, batch);
 	if (ret != EOK) {
 		batch_dispose(batch);
@@ -296,5 +296,5 @@
 {
 	assert(fun);
-	uhci_hc_t *hc = fun_to_uhci_hc(fun);
+	hc_t *hc = fun_to_hc(fun);
 	assert(hc);
 	usb_speed_t speed = usb_device_keeper_get_speed(&hc->device_manager, target.address);
@@ -312,5 +312,5 @@
 	usb_device_keeper_reset_if_need(&hc->device_manager, target, setup_data);
 	batch_control_write(batch);
-	const int ret = uhci_hc_schedule(hc, batch);
+	const int ret = hc_schedule(hc, batch);
 	if (ret != EOK) {
 		batch_dispose(batch);
@@ -339,5 +339,5 @@
 {
 	assert(fun);
-	uhci_hc_t *hc = fun_to_uhci_hc(fun);
+	hc_t *hc = fun_to_hc(fun);
 	assert(hc);
 	usb_speed_t speed = usb_device_keeper_get_speed(&hc->device_manager, target.address);
@@ -351,13 +351,13 @@
 		return ENOMEM;
 	batch_control_read(batch);
-	const int ret = uhci_hc_schedule(hc, batch);
-	if (ret != EOK) {
-		batch_dispose(batch);
-		return ret;
-	}
-	return EOK;
-}
-/*----------------------------------------------------------------------------*/
-usbhc_iface_t uhci_hc_iface = {
+	const int ret = hc_schedule(hc, batch);
+	if (ret != EOK) {
+		batch_dispose(batch);
+		return ret;
+	}
+	return EOK;
+}
+/*----------------------------------------------------------------------------*/
+usbhc_iface_t hc_iface = {
 	.reserve_default_address = reserve_default_address,
 	.release_default_address = release_default_address,
Index: uspace/drv/uhci-hcd/iface.h
===================================================================
--- uspace/drv/uhci-hcd/iface.h	(revision c56c5b5b306dd05373aa73c0404742419a4e0cae)
+++ uspace/drv/uhci-hcd/iface.h	(revision c01cd32983241e62b21a5da0077ac54000bc035e)
@@ -38,5 +38,5 @@
 #include <usbhc_iface.h>
 
-extern usbhc_iface_t uhci_hc_iface;
+extern usbhc_iface_t hc_iface;
 
 #endif
Index: uspace/drv/uhci-hcd/uhci.c
===================================================================
--- uspace/drv/uhci-hcd/uhci.c	(revision c56c5b5b306dd05373aa73c0404742419a4e0cae)
+++ uspace/drv/uhci-hcd/uhci.c	(revision c01cd32983241e62b21a5da0077ac54000bc035e)
@@ -54,8 +54,8 @@
 {
 	assert(dev);
-	uhci_hc_t *hc = &((uhci_t*)dev->driver_data)->hc;
+	hc_t *hc = &((uhci_t*)dev->driver_data)->hc;
 	uint16_t status = IPC_GET_ARG1(*call);
 	assert(hc);
-	uhci_hc_interrupt(hc, status);
+	hc_interrupt(hc, status);
 }
 /*----------------------------------------------------------------------------*/
@@ -107,7 +107,7 @@
 };
 /*----------------------------------------------------------------------------*/
-static ddf_dev_ops_t uhci_hc_ops = {
+static ddf_dev_ops_t hc_ops = {
 	.interfaces[USB_DEV_IFACE] = &usb_iface,
-	.interfaces[USBHC_DEV_IFACE] = &uhci_hc_iface, /* see iface.h/c */
+	.interfaces[USBHC_DEV_IFACE] = &hc_iface, /* see iface.h/c */
 };
 /*----------------------------------------------------------------------------*/
@@ -190,8 +190,8 @@
 	    "Failed(%d) to create HC function.\n", ret);
 
-	ret = uhci_hc_init(&instance->hc, instance->hc_fun,
+	ret = hc_init(&instance->hc, instance->hc_fun,
 	    (void*)io_reg_base, io_reg_size, interrupts);
 	CHECK_RET_DEST_FUN_RETURN(ret, "Failed(%d) to init uhci-hcd.\n", ret);
-	instance->hc_fun->ops = &uhci_hc_ops;
+	instance->hc_fun->ops = &hc_ops;
 	instance->hc_fun->driver_data = &instance->hc;
 	ret = ddf_fun_bind(instance->hc_fun);
@@ -208,5 +208,5 @@
 	if (instance->rh_fun) \
 		ddf_fun_destroy(instance->rh_fun); \
-	uhci_hc_fini(&instance->hc); \
+	hc_fini(&instance->hc); \
 	return ret; \
 }
Index: uspace/drv/uhci-hcd/uhci.h
===================================================================
--- uspace/drv/uhci-hcd/uhci.h	(revision c56c5b5b306dd05373aa73c0404742419a4e0cae)
+++ uspace/drv/uhci-hcd/uhci.h	(revision c01cd32983241e62b21a5da0077ac54000bc035e)
@@ -38,5 +38,5 @@
 #include <ddf/driver.h>
 
-#include "uhci_hc.h"
+#include "hc.h"
 #include "uhci_rh.h"
 
@@ -45,5 +45,5 @@
 	ddf_fun_t *rh_fun;
 
-	uhci_hc_t hc;
+	hc_t hc;
 	uhci_rh_t rh;
 } uhci_t;
Index: pace/drv/uhci-hcd/uhci_hc.c
===================================================================
--- uspace/drv/uhci-hcd/uhci_hc.c	(revision c56c5b5b306dd05373aa73c0404742419a4e0cae)
+++ 	(revision )
@@ -1,499 +1,0 @@
-/*
- * Copyright (c) 2011 Jan Vesely
- * 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 drvusbuhcihc
- * @{
- */
-/** @file
- * @brief UHCI Host controller driver routines
- */
-#include <errno.h>
-#include <str_error.h>
-#include <adt/list.h>
-#include <libarch/ddi.h>
-
-#include <usb/debug.h>
-#include <usb/usb.h>
-#include <usb/ddfiface.h>
-#include <usb_iface.h>
-
-#include "uhci_hc.h"
-
-static irq_cmd_t uhci_cmds[] = {
-	{
-		.cmd = CMD_PIO_READ_16,
-		.addr = NULL, /* patched for every instance */
-		.dstarg = 1
-	},
-	{
-		.cmd = CMD_PIO_WRITE_16,
-		.addr = NULL, /* pathed for every instance */
-		.value = 0x1f
-	},
-	{
-		.cmd = CMD_ACCEPT
-	}
-};
-/*----------------------------------------------------------------------------*/
-static int uhci_hc_init_transfer_lists(uhci_hc_t *instance);
-static int uhci_hc_init_mem_structures(uhci_hc_t *instance);
-static void uhci_hc_init_hw(uhci_hc_t *instance);
-
-static int uhci_hc_interrupt_emulator(void *arg);
-static int uhci_hc_debug_checker(void *arg);
-
-static bool allowed_usb_packet(
-    bool low_speed, usb_transfer_type_t transfer, size_t size);
-/*----------------------------------------------------------------------------*/
-/** Initialize UHCI hcd driver structure
- *
- * @param[in] instance Memory place to initialize.
- * @param[in] fun DDF function.
- * @param[in] regs Address of I/O control registers.
- * @param[in] size Size of I/O control registers.
- * @return Error code.
- * @note Should be called only once on any structure.
- *
- * Initializes memory structures, starts up hw, and launches debugger and
- * interrupt fibrils.
- */
-int uhci_hc_init(uhci_hc_t *instance, ddf_fun_t *fun,
-    void *regs, size_t reg_size, bool interrupts)
-{
-	assert(reg_size >= sizeof(regs_t));
-	int ret;
-
-#define CHECK_RET_DEST_FUN_RETURN(ret, message...) \
-	if (ret != EOK) { \
-		usb_log_error(message); \
-		if (instance->ddf_instance) \
-			ddf_fun_destroy(instance->ddf_instance); \
-		return ret; \
-	} else (void) 0
-
-	instance->hw_interrupts = interrupts;
-	instance->hw_failures = 0;
-
-	/* Setup UHCI function. */
-	instance->ddf_instance = fun;
-
-	/* allow access to hc control registers */
-	regs_t *io;
-	ret = pio_enable(regs, reg_size, (void**)&io);
-	CHECK_RET_DEST_FUN_RETURN(ret,
-	    "Failed(%d) to gain access to registers at %p: %s.\n",
-	    ret, str_error(ret), io);
-	instance->registers = io;
-	usb_log_debug("Device registers at %p(%u) accessible.\n",
-	    io, reg_size);
-
-	ret = uhci_hc_init_mem_structures(instance);
-	CHECK_RET_DEST_FUN_RETURN(ret,
-	    "Failed to initialize UHCI memory structures.\n");
-
-	uhci_hc_init_hw(instance);
-	if (!interrupts) {
-		instance->cleaner =
-		    fibril_create(uhci_hc_interrupt_emulator, instance);
-		fibril_add_ready(instance->cleaner);
-	} else {
-		/* TODO: enable interrupts here */
-	}
-
-	instance->debug_checker =
-	    fibril_create(uhci_hc_debug_checker, instance);
-//	fibril_add_ready(instance->debug_checker);
-
-	return EOK;
-#undef CHECK_RET_DEST_FUN_RETURN
-}
-/*----------------------------------------------------------------------------*/
-/** Initialize UHCI hc hw resources.
- *
- * @param[in] instance UHCI structure to use.
- * For magic values see UHCI Design Guide
- */
-void uhci_hc_init_hw(uhci_hc_t *instance)
-{
-	assert(instance);
-	regs_t *registers = instance->registers;
-
-	/* Reset everything, who knows what touched it before us */
-	pio_write_16(&registers->usbcmd, UHCI_CMD_GLOBAL_RESET);
-	async_usleep(10000); /* 10ms according to USB spec */
-	pio_write_16(&registers->usbcmd, 0);
-
-	/* Reset hc, all states and counters */
-	pio_write_16(&registers->usbcmd, UHCI_CMD_HCRESET);
-	do { async_usleep(10); }
-	while ((pio_read_16(&registers->usbcmd) & UHCI_CMD_HCRESET) != 0);
-
-	/* Set frame to exactly 1ms */
-	pio_write_8(&registers->sofmod, 64);
-
-	/* Set frame list pointer */
-	const uint32_t pa = addr_to_phys(instance->frame_list);
-	pio_write_32(&registers->flbaseadd, pa);
-
-	if (instance->hw_interrupts) {
-		/* Enable all interrupts, but resume interrupt */
-		pio_write_16(&instance->registers->usbintr,
-		    UHCI_INTR_CRC | UHCI_INTR_COMPLETE | UHCI_INTR_SHORT_PACKET);
-	}
-
-	uint16_t status = pio_read_16(&registers->usbcmd);
-	if (status != 0)
-		usb_log_warning("Previous command value: %x.\n", status);
-
-	/* Start the hc with large(64B) packet FSBR */
-	pio_write_16(&registers->usbcmd,
-	    UHCI_CMD_RUN_STOP | UHCI_CMD_MAX_PACKET | UHCI_CMD_CONFIGURE);
-}
-/*----------------------------------------------------------------------------*/
-/** Initialize UHCI hc memory structures.
- *
- * @param[in] instance UHCI structure to use.
- * @return Error code
- * @note Should be called only once on any structure.
- *
- * Structures:
- *  - interrupt code (I/O addressses are customized per instance)
- *  - transfer lists (queue heads need to be accessible by the hw)
- *  - frame list page (needs to be one UHCI hw accessible 4K page)
- */
-int uhci_hc_init_mem_structures(uhci_hc_t *instance)
-{
-	assert(instance);
-#define CHECK_RET_DEST_CMDS_RETURN(ret, message...) \
-	if (ret != EOK) { \
-		usb_log_error(message); \
-		if (instance->interrupt_code.cmds != NULL) \
-			free(instance->interrupt_code.cmds); \
-		return ret; \
-	} else (void) 0
-
-	/* Init interrupt code */
-	instance->interrupt_code.cmds = malloc(sizeof(uhci_cmds));
-	int ret = (instance->interrupt_code.cmds == NULL) ? ENOMEM : EOK;
-	CHECK_RET_DEST_CMDS_RETURN(ret,
-	    "Failed to allocate interrupt cmds space.\n");
-
-	{
-		irq_cmd_t *interrupt_commands = instance->interrupt_code.cmds;
-		memcpy(interrupt_commands, uhci_cmds, sizeof(uhci_cmds));
-		interrupt_commands[0].addr =
-		    (void*)&instance->registers->usbsts;
-		interrupt_commands[1].addr =
-		    (void*)&instance->registers->usbsts;
-		instance->interrupt_code.cmdcount =
-		    sizeof(uhci_cmds) / sizeof(irq_cmd_t);
-	}
-
-	/* Init transfer lists */
-	ret = uhci_hc_init_transfer_lists(instance);
-	CHECK_RET_DEST_CMDS_RETURN(ret, "Failed to init transfer lists.\n");
-	usb_log_debug("Initialized transfer lists.\n");
-
-	/* Init USB frame list page*/
-	instance->frame_list = get_page();
-	ret = instance ? EOK : ENOMEM;
-	CHECK_RET_DEST_CMDS_RETURN(ret, "Failed to get frame list page.\n");
-	usb_log_debug("Initialized frame list.\n");
-
-	/* Set all frames to point to the first queue head */
-	const uint32_t queue =
-	  instance->transfers_interrupt.queue_head_pa
-	  | LINK_POINTER_QUEUE_HEAD_FLAG;
-
-	unsigned i = 0;
-	for(; i < UHCI_FRAME_LIST_COUNT; ++i) {
-		instance->frame_list[i] = queue;
-	}
-
-	/* Init device keeper*/
-	usb_device_keeper_init(&instance->device_manager);
-	usb_log_debug("Initialized device manager.\n");
-
-	return EOK;
-#undef CHECK_RET_DEST_CMDS_RETURN
-}
-/*----------------------------------------------------------------------------*/
-/** Initialize UHCI hc transfer lists.
- *
- * @param[in] instance UHCI structure to use.
- * @return Error code
- * @note Should be called only once on any structure.
- *
- * Initializes transfer lists and sets them in one chain to support proper
- * USB scheduling. Sets pointer table for quick access.
- */
-int uhci_hc_init_transfer_lists(uhci_hc_t *instance)
-{
-	assert(instance);
-#define CHECK_RET_CLEAR_RETURN(ret, message...) \
-	if (ret != EOK) { \
-		usb_log_error(message); \
-		transfer_list_fini(&instance->transfers_bulk_full); \
-		transfer_list_fini(&instance->transfers_control_full); \
-		transfer_list_fini(&instance->transfers_control_slow); \
-		transfer_list_fini(&instance->transfers_interrupt); \
-		return ret; \
-	} else (void) 0
-
-	/* initialize TODO: check errors */
-	int ret;
-	ret = transfer_list_init(&instance->transfers_bulk_full, "BULK_FULL");
-	CHECK_RET_CLEAR_RETURN(ret, "Failed to init BULK list.");
-
-	ret = transfer_list_init(
-	    &instance->transfers_control_full, "CONTROL_FULL");
-	CHECK_RET_CLEAR_RETURN(ret, "Failed to init CONTROL FULL list.");
-
-	ret = transfer_list_init(
-	    &instance->transfers_control_slow, "CONTROL_SLOW");
-	CHECK_RET_CLEAR_RETURN(ret, "Failed to init CONTROL SLOW list.");
-
-	ret = transfer_list_init(&instance->transfers_interrupt, "INTERRUPT");
-	CHECK_RET_CLEAR_RETURN(ret, "Failed to init INTERRUPT list.");
-
-	transfer_list_set_next(&instance->transfers_control_full,
-		&instance->transfers_bulk_full);
-	transfer_list_set_next(&instance->transfers_control_slow,
-		&instance->transfers_control_full);
-	transfer_list_set_next(&instance->transfers_interrupt,
-		&instance->transfers_control_slow);
-
-	/*FSBR*/
-#ifdef FSBR
-	transfer_list_set_next(&instance->transfers_bulk_full,
-		&instance->transfers_control_full);
-#endif
-
-	/* Assign pointers to be used during scheduling */
-	instance->transfers[USB_SPEED_FULL][USB_TRANSFER_INTERRUPT] =
-	  &instance->transfers_interrupt;
-	instance->transfers[USB_SPEED_LOW][USB_TRANSFER_INTERRUPT] =
-	  &instance->transfers_interrupt;
-	instance->transfers[USB_SPEED_FULL][USB_TRANSFER_CONTROL] =
-	  &instance->transfers_control_full;
-	instance->transfers[USB_SPEED_LOW][USB_TRANSFER_CONTROL] =
-	  &instance->transfers_control_slow;
-	instance->transfers[USB_SPEED_FULL][USB_TRANSFER_BULK] =
-	  &instance->transfers_bulk_full;
-
-	return EOK;
-#undef CHECK_RET_CLEAR_RETURN
-}
-/*----------------------------------------------------------------------------*/
-/** Schedule batch for execution.
- *
- * @param[in] instance UHCI structure to use.
- * @param[in] batch Transfer batch to schedule.
- * @return Error code
- *
- * Checks for bandwidth availability and appends the batch to the proper queue.
- */
-int uhci_hc_schedule(uhci_hc_t *instance, usb_transfer_batch_t *batch)
-{
-	assert(instance);
-	assert(batch);
-	const int low_speed = (batch->speed == USB_SPEED_LOW);
-	if (!allowed_usb_packet(
-	    low_speed, batch->transfer_type, batch->max_packet_size)) {
-		usb_log_warning(
-		    "Invalid USB packet specified %s SPEED %d %zu.\n",
-		    low_speed ? "LOW" : "FULL" , batch->transfer_type,
-		    batch->max_packet_size);
-		return ENOTSUP;
-	}
-	/* TODO: check available bandwidth here */
-
-	transfer_list_t *list =
-	    instance->transfers[batch->speed][batch->transfer_type];
-	assert(list);
-	transfer_list_add_batch(list, batch);
-
-	return EOK;
-}
-/*----------------------------------------------------------------------------*/
-/** Take action based on the interrupt cause.
- *
- * @param[in] instance UHCI structure to use.
- * @param[in] status Value of the status register at the time of interrupt.
- *
- * Interrupt might indicate:
- * - transaction completed, either by triggering IOC, SPD, or an error
- * - some kind of device error
- * - resume from suspend state (not implemented)
- */
-void uhci_hc_interrupt(uhci_hc_t *instance, uint16_t status)
-{
-	assert(instance);
-	/* TODO: Resume interrupts are not supported */
-	/* Lower 2 bits are transaction error and transaction complete */
-	if (status & 0x3) {
-		transfer_list_remove_finished(&instance->transfers_interrupt);
-		transfer_list_remove_finished(&instance->transfers_control_slow);
-		transfer_list_remove_finished(&instance->transfers_control_full);
-		transfer_list_remove_finished(&instance->transfers_bulk_full);
-	}
-	/* bits 4 and 5 indicate hc error */
-	if (status & 0x18) {
-		usb_log_error("UHCI hardware failure!.\n");
-		++instance->hw_failures;
-		transfer_list_abort_all(&instance->transfers_interrupt);
-		transfer_list_abort_all(&instance->transfers_control_slow);
-		transfer_list_abort_all(&instance->transfers_control_full);
-		transfer_list_abort_all(&instance->transfers_bulk_full);
-
-		if (instance->hw_failures < UHCI_ALLOWED_HW_FAIL) {
-			/* reinitialize hw, this triggers virtual disconnect*/
-			uhci_hc_init_hw(instance);
-		} else {
-			usb_log_fatal("Too many UHCI hardware failures!.\n");
-			uhci_hc_fini(instance);
-		}
-	}
-}
-/*----------------------------------------------------------------------------*/
-/** Polling function, emulates interrupts.
- *
- * @param[in] arg UHCI hc structure to use.
- * @return EOK (should never return)
- */
-int uhci_hc_interrupt_emulator(void* arg)
-{
-	usb_log_debug("Started interrupt emulator.\n");
-	uhci_hc_t *instance = (uhci_hc_t*)arg;
-	assert(instance);
-
-	while (1) {
-		/* read and ack interrupts */
-		uint16_t status = pio_read_16(&instance->registers->usbsts);
-		pio_write_16(&instance->registers->usbsts, 0x1f);
-		if (status != 0)
-			usb_log_debug2("UHCI status: %x.\n", status);
-		uhci_hc_interrupt(instance, status);
-		async_usleep(UHCI_CLEANER_TIMEOUT);
-	}
-	return EOK;
-}
-/*---------------------------------------------------------------------------*/
-/** Debug function, checks consistency of memory structures.
- *
- * @param[in] arg UHCI structure to use.
- * @return EOK (should never return)
- */
-int uhci_hc_debug_checker(void *arg)
-{
-	uhci_hc_t *instance = (uhci_hc_t*)arg;
-	assert(instance);
-
-#define QH(queue) \
-	instance->transfers_##queue.queue_head
-
-	while (1) {
-		const uint16_t cmd = pio_read_16(&instance->registers->usbcmd);
-		const uint16_t sts = pio_read_16(&instance->registers->usbsts);
-		const uint16_t intr =
-		    pio_read_16(&instance->registers->usbintr);
-
-		if (((cmd & UHCI_CMD_RUN_STOP) != 1) || (sts != 0)) {
-			usb_log_debug2("Command: %X Status: %X Intr: %x\n",
-			    cmd, sts, intr);
-		}
-
-		uintptr_t frame_list =
-		    pio_read_32(&instance->registers->flbaseadd) & ~0xfff;
-		if (frame_list != addr_to_phys(instance->frame_list)) {
-			usb_log_debug("Framelist address: %p vs. %p.\n",
-			    frame_list, addr_to_phys(instance->frame_list));
-		}
-
-		int frnum = pio_read_16(&instance->registers->frnum) & 0x3ff;
-
-		uintptr_t expected_pa = instance->frame_list[frnum]
-		    & LINK_POINTER_ADDRESS_MASK;
-		uintptr_t real_pa = addr_to_phys(QH(interrupt));
-		if (expected_pa != real_pa) {
-			usb_log_debug("Interrupt QH: %p(frame: %d) vs. %p.\n",
-			    expected_pa, frnum, real_pa);
-		}
-
-		expected_pa = QH(interrupt)->next & LINK_POINTER_ADDRESS_MASK;
-		real_pa = addr_to_phys(QH(control_slow));
-		if (expected_pa != real_pa) {
-			usb_log_debug("Control Slow QH: %p vs. %p.\n",
-			    expected_pa, real_pa);
-		}
-
-		expected_pa = QH(control_slow)->next & LINK_POINTER_ADDRESS_MASK;
-		real_pa = addr_to_phys(QH(control_full));
-		if (expected_pa != real_pa) {
-			usb_log_debug("Control Full QH: %p vs. %p.\n",
-			    expected_pa, real_pa);
-		}
-
-		expected_pa = QH(control_full)->next & LINK_POINTER_ADDRESS_MASK;
-		real_pa = addr_to_phys(QH(bulk_full));
-		if (expected_pa != real_pa ) {
-			usb_log_debug("Bulk QH: %p vs. %p.\n",
-			    expected_pa, real_pa);
-		}
-		async_usleep(UHCI_DEBUGER_TIMEOUT);
-	}
-	return EOK;
-#undef QH
-}
-/*----------------------------------------------------------------------------*/
-/** Check transfer packets, for USB validity
- *
- * @param[in] low_speed Transfer speed.
- * @param[in] transfer Transer type
- * @param[in] size Maximum size of used packets
- * @return True if transaction is allowed by USB specs, false otherwise
- */
-bool allowed_usb_packet(
-    bool low_speed, usb_transfer_type_t transfer, size_t size)
-{
-	/* see USB specification chapter 5.5-5.8 for magic numbers used here */
-	switch(transfer)
-	{
-	case USB_TRANSFER_ISOCHRONOUS:
-		return (!low_speed && size < 1024);
-	case USB_TRANSFER_INTERRUPT:
-		return size <= (low_speed ? 8 : 64);
-	case USB_TRANSFER_CONTROL: /* device specifies its own max size */
-		return (size <= (low_speed ? 8 : 64));
-	case USB_TRANSFER_BULK: /* device specifies its own max size */
-		return (!low_speed && size <= 64);
-	}
-	return false;
-}
-/**
- * @}
- */
Index: pace/drv/uhci-hcd/uhci_hc.h
===================================================================
--- uspace/drv/uhci-hcd/uhci_hc.h	(revision c56c5b5b306dd05373aa73c0404742419a4e0cae)
+++ 	(revision )
@@ -1,131 +1,0 @@
-/*
- * Copyright (c) 2011 Jan Vesely
- * 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 drvusbuhcihc
- * @{
- */
-/** @file
- * @brief UHCI host controller driver structure
- */
-#ifndef DRV_UHCI_UHCI_HC_H
-#define DRV_UHCI_UHCI_HC_H
-
-#include <fibril.h>
-#include <fibril_synch.h>
-#include <adt/list.h>
-#include <ddi.h>
-
-#include <usbhc_iface.h>
-#include <usb/host/device_keeper.h>
-
-#include "batch.h"
-#include "transfer_list.h"
-
-typedef struct uhci_regs {
-	uint16_t usbcmd;
-#define UHCI_CMD_MAX_PACKET (1 << 7)
-#define UHCI_CMD_CONFIGURE  (1 << 6)
-#define UHCI_CMD_DEBUG  (1 << 5)
-#define UHCI_CMD_FORCE_GLOBAL_RESUME  (1 << 4)
-#define UHCI_CMD_FORCE_GLOBAL_SUSPEND  (1 << 3)
-#define UHCI_CMD_GLOBAL_RESET  (1 << 2)
-#define UHCI_CMD_HCRESET  (1 << 1)
-#define UHCI_CMD_RUN_STOP  (1 << 0)
-
-	uint16_t usbsts;
-#define UHCI_STATUS_HALTED (1 << 5)
-#define UHCI_STATUS_PROCESS_ERROR (1 << 4)
-#define UHCI_STATUS_SYSTEM_ERROR (1 << 3)
-#define UHCI_STATUS_RESUME (1 << 2)
-#define UHCI_STATUS_ERROR_INTERRUPT (1 << 1)
-#define UHCI_STATUS_INTERRUPT (1 << 0)
-
-	uint16_t usbintr;
-#define UHCI_INTR_SHORT_PACKET (1 << 3)
-#define UHCI_INTR_COMPLETE (1 << 2)
-#define UHCI_INTR_RESUME (1 << 1)
-#define UHCI_INTR_CRC (1 << 0)
-
-	uint16_t frnum;
-	uint32_t flbaseadd;
-	uint8_t sofmod;
-} regs_t;
-
-#define UHCI_FRAME_LIST_COUNT 1024
-#define UHCI_CLEANER_TIMEOUT 10000
-#define UHCI_DEBUGER_TIMEOUT 5000000
-#define UHCI_ALLOWED_HW_FAIL 5
-
-typedef struct uhci_hc {
-	usb_device_keeper_t device_manager;
-
-	regs_t *registers;
-
-	link_pointer_t *frame_list;
-
-	transfer_list_t transfers_bulk_full;
-	transfer_list_t transfers_control_full;
-	transfer_list_t transfers_control_slow;
-	transfer_list_t transfers_interrupt;
-
-	transfer_list_t *transfers[2][4];
-
-	irq_code_t interrupt_code;
-
-	fid_t cleaner;
-	fid_t debug_checker;
-	bool hw_interrupts;
-	unsigned hw_failures;
-
-	ddf_fun_t *ddf_instance;
-} uhci_hc_t;
-
-int uhci_hc_init(uhci_hc_t *instance, ddf_fun_t *fun,
-    void *regs, size_t reg_size, bool interupts);
-
-int uhci_hc_schedule(uhci_hc_t *instance, usb_transfer_batch_t *batch);
-
-void uhci_hc_interrupt(uhci_hc_t *instance, uint16_t status);
-
-/** Safely dispose host controller internal structures
- *
- * @param[in] instance Host controller structure to use.
- */
-static inline void uhci_hc_fini(uhci_hc_t *instance) { /* TODO: implement*/ };
-
-/** Get and cast pointer to the driver data
- *
- * @param[in] fun DDF function pointer
- * @return cast pointer to driver_data
- */
-static inline uhci_hc_t * fun_to_uhci_hc(ddf_fun_t *fun)
-	{ return (uhci_hc_t*)fun->driver_data; }
-#endif
-/**
- * @}
- */
Index: uspace/drv/uhci-hcd/uhci_rh.c
===================================================================
--- uspace/drv/uhci-hcd/uhci_rh.c	(revision c56c5b5b306dd05373aa73c0404742419a4e0cae)
+++ uspace/drv/uhci-hcd/uhci_rh.c	(revision c01cd32983241e62b21a5da0077ac54000bc035e)
@@ -40,5 +40,4 @@
 
 #include "uhci_rh.h"
-#include "uhci_hc.h"
 
 /** Root hub initialization
