diff --git a/Makefile b/Makefile
index 0ad7300..7422441 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-bcwc_pcie-objs := bcwc_drv.o
+bcwc_pcie-objs := bcwc_hw.o bcwc_drv.o
 obj-m := bcwc_pcie.o
 
 KVERSION := $(shell uname -r)
diff --git a/bcwc_drv.c b/bcwc_drv.c
index f7531e4..b2843b2 100644
--- a/bcwc_drv.c
+++ b/bcwc_drv.c
@@ -16,6 +16,7 @@
 #include <linux/interrupt.h>
 #include <linux/workqueue.h>
 #include "bcwc_drv.h"
+#include "bcwc_hw.h"
 
 static int bcwc_pci_reserve_mem(struct bcwc_private *dev_priv)
 {
@@ -151,6 +152,8 @@ static int bcwc_pci_probe(struct pci_dev *pdev,
 	pci_set_master(pdev);
 	pci_set_drvdata(pdev, dev_priv);
 
+	bcwc_hw_init(dev_priv);
+
 	return 0;
 fail_msi:
 	pci_disable_msi(pdev);
diff --git a/bcwc_hw.c b/bcwc_hw.c
new file mode 100644
index 0000000..138bff6
--- /dev/null
+++ b/bcwc_hw.c
@@ -0,0 +1,87 @@
+/*
+ * Broadcom PCIe 1570 webcam driver
+ *
+ * Copyright (C) 2014 Patrik Jakobsson (patrik.r.jakobsson@gmail.com)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ */
+
+#include "bcwc_drv.h"
+#include "bcwc_hw.h"
+
+#if 0
+static int bcwc_hw_set_core_clk(struct bcwc_private *dev_priv)
+{
+	return 0;
+}
+
+static int bcwc_hw_aspm_enable(struct bcwc_private *dev_priv)
+{
+	return 0;
+}
+
+static int bcwc_hw_aspm_disable(struct bcwc_private *dev_priv)
+{
+	return 0;
+}
+#endif
+
+static int bcwc_hw_irq_enable(struct bcwc_private *dev_priv)
+{
+	return 0;
+}
+
+static int bcwc_hw_irq_disable(struct bcwc_private *dev_priv)
+{
+	return 0;
+}
+
+static int bcwc_hw_sensor_enable(struct bcwc_private *dev_priv)
+{
+	return 0;
+}
+
+static int bcwc_hw_sensor_disable(struct bcwc_private *dev_priv)
+{
+	return 0;
+}
+
+static int bcwc_hw_s2chip_enable(struct bcwc_private *dev_priv)
+{
+	return 0;
+}
+
+static int bcwc_hw_s2chip_disable(struct bcwc_private *dev_priv)
+{
+	return 0;
+}
+
+/* What I've figured out about the power on sequence so far */
+static int bcwc_hw_power_on(struct bcwc_private *dev_priv)
+{
+	bcwc_hw_s2chip_enable(dev_priv);
+	bcwc_hw_sensor_enable(dev_priv);
+	bcwc_hw_irq_enable(dev_priv);
+
+	return 0;
+}
+
+/* What I've figured out about the power off sequence so far */
+static int bcwc_hw_power_off(struct bcwc_private *dev_priv)
+{
+	bcwc_hw_irq_disable(dev_priv);
+	bcwc_hw_sensor_disable(dev_priv);
+	bcwc_hw_s2chip_disable(dev_priv);
+
+	return 0;
+}
+
+int bcwc_hw_init(struct bcwc_private *dev_priv)
+{
+	u32 reg;
+
+	return 0;
+}
diff --git a/bcwc_hw.h b/bcwc_hw.h
new file mode 100644
index 0000000..723247c
--- /dev/null
+++ b/bcwc_hw.h
@@ -0,0 +1,24 @@
+/*
+ * Broadcom PCIe 1570 webcam driver
+ *
+ * Copyright (C) 2014 Patrik Jakobsson (patrik.r.jakobsson@gmail.com)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ */
+
+#ifndef _BCWC_HW_H
+#define _BCWC_HW_H
+
+#define BCWC_LINK_REG_READ(offset) ioread32(dev_priv->link_io + (offset))
+#define BCWC_LINK_REG_WRITE(val, offset) iowrite32((val), \
+						   dev_priv->link_io + (offset))
+#define BCWC_DEV_REG_READ(offset) ioread32(dev_priv->dev_io + (offset))
+#define BCWC_DEV_REG_WRITE(val, offset) iowrite32((val), \
+						   dev_priv->dev_io + (offset))
+
+extern int bcwc_hw_init(struct bcwc_private *dev_priv);
+
+#endif