Merge branch 'master' into for-next

Conflicts:
	fs/exofs/inode.c

19 files changed, 2434 insertions, 146 deletions

diff --git a/drivers/media/IR/Kconfig b/drivers/media/IR/Kconfig
index 999a8250b3ce..30e04915a256 100644
--- a/drivers/media/IR/Kconfig
+++ b/drivers/media/IR/Kconfig
@@ -1,8 +1,10 @@
-config IR_CORE
-	tristate
+menuconfig IR_CORE
+	tristate "Infrared remote controller adapters"
 	depends on INPUT
 	default INPUT
 
+if IR_CORE
+
 config VIDEO_IR
 	tristate
 	depends on IR_CORE
@@ -16,7 +18,7 @@ config LIRC
 	   Enable this option to build the Linux Infrared Remote
 	   Control (LIRC) core device interface driver. The LIRC
 	   interface passes raw IR to and from userspace, where the
-	   LIRC daemon handles protocol decoding for IR reception ann
+	   LIRC daemon handles protocol decoding for IR reception and
 	   encoding for IR transmitting (aka "blasting").
 
 source "drivers/media/IR/keymaps/Kconfig"
@@ -103,3 +105,31 @@ config IR_MCEUSB
 
 	   To compile this driver as a module, choose M here: the
 	   module will be called mceusb.
+
+config IR_ENE
+	tristate "ENE eHome Receiver/Transciever (pnp id: ENE0100/ENE02xxx)"
+	depends on PNP
+	depends on IR_CORE
+	---help---
+	   Say Y here to enable support for integrated infrared receiver
+	   /transciever made by ENE.
+
+	   You can see if you have it by looking at lspnp output.
+	   Output should include ENE0100 ENE0200 or something similiar.
+
+	   To compile this driver as a module, choose M here: the
+	   module will be called ene_ir.
+
+config IR_STREAMZAP
+	tristate "Streamzap PC Remote IR Receiver"
+	depends on USB_ARCH_HAS_HCD
+	depends on IR_CORE
+	select USB
+	---help---
+	   Say Y here if you want to use a Streamzap PC Remote
+	   Infrared Receiver.
+
+	   To compile this driver as a module, choose M here: the
+	   module will be called streamzap.
+
+endif #IR_CORE
diff --git a/drivers/media/IR/Makefile b/drivers/media/IR/Makefile
index 2ae4f3abfdbd..53676838fe97 100644
--- a/drivers/media/IR/Makefile
+++ b/drivers/media/IR/Makefile
@@ -16,3 +16,5 @@ obj-$(CONFIG_IR_LIRC_CODEC) += ir-lirc-codec.o
 # stand-alone IR receivers/transmitters
 obj-$(CONFIG_IR_IMON) += imon.o
 obj-$(CONFIG_IR_MCEUSB) += mceusb.o
+obj-$(CONFIG_IR_ENE) += ene_ir.o
+obj-$(CONFIG_IR_STREAMZAP) += streamzap.o
diff --git a/drivers/media/IR/ene_ir.c b/drivers/media/IR/ene_ir.c
new file mode 100644
index 000000000000..5447750f5e38
--- /dev/null
+++ b/drivers/media/IR/ene_ir.c
@@ -0,0 +1,1023 @@
+/*
+ * driver for ENE KB3926 B/C/D CIR (pnp id: ENE0XXX)
+ *
+ * Copyright (C) 2010 Maxim Levitsky <maximlevitsky@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pnp.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/input.h>
+#include <media/ir-core.h>
+#include <media/ir-common.h>
+#include "ene_ir.h"
+
+
+static int sample_period = -1;
+static int enable_idle = 1;
+static int input = 1;
+static int debug;
+static int txsim;
+
+static int ene_irq_status(struct ene_device *dev);
+
+/* read a hardware register */
+static u8 ene_hw_read_reg(struct ene_device *dev, u16 reg)
+{
+	u8 retval;
+	outb(reg >> 8, dev->hw_io + ENE_ADDR_HI);
+	outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO);
+	retval = inb(dev->hw_io + ENE_IO);
+
+	ene_dbg_verbose("reg %04x == %02x", reg, retval);
+	return retval;
+}
+
+/* write a hardware register */
+static void ene_hw_write_reg(struct ene_device *dev, u16 reg, u8 value)
+{
+	outb(reg >> 8, dev->hw_io + ENE_ADDR_HI);
+	outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO);
+	outb(value, dev->hw_io + ENE_IO);
+
+	ene_dbg_verbose("reg %04x <- %02x", reg, value);
+}
+
+/* change specific bits in hardware register */
+static void ene_hw_write_reg_mask(struct ene_device *dev,
+				  u16 reg, u8 value, u8 mask)
+{
+	u8 regvalue;
+
+	outb(reg >> 8, dev->hw_io + ENE_ADDR_HI);
+	outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO);
+
+	regvalue = inb(dev->hw_io + ENE_IO) & ~mask;
+	regvalue |= (value & mask);
+	outb(regvalue, dev->hw_io + ENE_IO);
+
+	ene_dbg_verbose("reg %04x <- %02x (mask=%02x)", reg, value, mask);
+}
+
+/* detect hardware features */
+static int ene_hw_detect(struct ene_device *dev)
+{
+	u8 chip_major, chip_minor;
+	u8 hw_revision, old_ver;
+	u8 tmp;
+	u8 fw_capabilities;
+	int pll_freq;
+
+	tmp = ene_hw_read_reg(dev, ENE_HW_UNK);
+	ene_hw_write_reg(dev, ENE_HW_UNK, tmp & ~ENE_HW_UNK_CLR);
+
+	chip_major = ene_hw_read_reg(dev, ENE_HW_VER_MAJOR);
+	chip_minor = ene_hw_read_reg(dev, ENE_HW_VER_MINOR);
+
+	ene_hw_write_reg(dev, ENE_HW_UNK, tmp);
+	hw_revision = ene_hw_read_reg(dev, ENE_HW_VERSION);
+	old_ver = ene_hw_read_reg(dev, ENE_HW_VER_OLD);
+
+	pll_freq = (ene_hw_read_reg(dev, ENE_PLLFRH) << 4) +
+		(ene_hw_read_reg(dev, ENE_PLLFRL) >> 4);
+
+	if (pll_freq != 1000)
+		dev->rx_period_adjust = 4;
+	else
+		dev->rx_period_adjust = 2;
+
+
+	ene_printk(KERN_NOTICE, "PLL freq = %d\n", pll_freq);
+
+	if (hw_revision == 0xFF) {
+
+		ene_printk(KERN_WARNING, "device seems to be disabled\n");
+		ene_printk(KERN_WARNING,
+			"send a mail to lirc-list@lists.sourceforge.net\n");
+		ene_printk(KERN_WARNING, "please attach output of acpidump\n");
+		return -ENODEV;
+	}
+
+	if (chip_major == 0x33) {
+		ene_printk(KERN_WARNING, "chips 0x33xx aren't supported\n");
+		return -ENODEV;
+	}
+
+	if (chip_major == 0x39 && chip_minor == 0x26 && hw_revision == 0xC0) {
+		dev->hw_revision = ENE_HW_C;
+	} else if (old_ver == 0x24 && hw_revision == 0xC0) {
+		dev->hw_revision = ENE_HW_B;
+		ene_printk(KERN_NOTICE, "KB3926B detected\n");
+	} else {
+		dev->hw_revision = ENE_HW_D;
+		ene_printk(KERN_WARNING,
+			"unknown ENE chip detected, assuming KB3926D\n");
+		ene_printk(KERN_WARNING,
+			"driver support might be not complete");
+
+	}
+
+	ene_printk(KERN_DEBUG,
+		"chip is 0x%02x%02x - kbver = 0x%02x, rev = 0x%02x\n",
+			chip_major, chip_minor, old_ver, hw_revision);
+
+	/* detect features hardware supports */
+	if (dev->hw_revision < ENE_HW_C)
+		return 0;
+
+	fw_capabilities = ene_hw_read_reg(dev, ENE_FW2);
+	ene_dbg("Firmware capabilities: %02x", fw_capabilities);
+
+	dev->hw_gpio40_learning = fw_capabilities & ENE_FW2_GP40_AS_LEARN;
+	dev->hw_learning_and_tx_capable = fw_capabilities & ENE_FW2_LEARNING;
+
+	dev->hw_fan_as_normal_input = dev->hw_learning_and_tx_capable &&
+	    (fw_capabilities & ENE_FW2_FAN_AS_NRML_IN);
+
+	ene_printk(KERN_NOTICE, "hardware features:\n");
+	ene_printk(KERN_NOTICE,
+		"learning and transmit %s, gpio40_learn %s, fan_in %s\n",
+	       dev->hw_learning_and_tx_capable ? "on" : "off",
+	       dev->hw_gpio40_learning ? "on" : "off",
+	       dev->hw_fan_as_normal_input ? "on" : "off");
+
+	if (dev->hw_learning_and_tx_capable) {
+		ene_printk(KERN_WARNING,
+		"Device supports transmitting, but that support is\n");
+		ene_printk(KERN_WARNING,
+		"lightly tested. Please test it and mail\n");
+		ene_printk(KERN_WARNING,
+		"lirc-list@lists.sourceforge.net\n");
+	}
+	return 0;
+}
+
+/* this enables/disables IR input via gpio40*/
+static void ene_enable_gpio40_receive(struct ene_device *dev, int enable)
+{
+	ene_hw_write_reg_mask(dev, ENE_CIR_CONF2, enable ?
+			      0 : ENE_CIR_CONF2_GPIO40DIS,
+			      ENE_CIR_CONF2_GPIO40DIS);
+}
+
+/* this enables/disables IR via standard input */
+static void ene_enable_normal_receive(struct ene_device *dev, int enable)
+{
+	ene_hw_write_reg(dev, ENE_CIR_CONF1, enable ? ENE_CIR_CONF1_RX_ON : 0);
+}
+
+/* this enables/disables IR input via unused fan tachtometer input */
+static void ene_enable_fan_receive(struct ene_device *dev, int enable)
+{
+	if (!enable)
+		ene_hw_write_reg(dev, ENE_FAN_AS_IN1, 0);
+	else {
+		ene_hw_write_reg(dev, ENE_FAN_AS_IN1, ENE_FAN_AS_IN1_EN);
+		ene_hw_write_reg(dev, ENE_FAN_AS_IN2, ENE_FAN_AS_IN2_EN);
+	}
+	dev->rx_fan_input_inuse = enable;
+}
+
+
+/* Sense current received carrier */
+static int ene_rx_sense_carrier(struct ene_device *dev)
+{
+	int period = ene_hw_read_reg(dev, ENE_RX_CARRIER);
+	int carrier;
+	ene_dbg("RX: hardware carrier period = %02x", period);
+
+	if (!(period & ENE_RX_CARRIER_VALID))
+		return 0;
+
+	period &= ~ENE_RX_CARRIER_VALID;
+
+	if (!period)
+		return 0;
+
+	carrier = 2000000 / period;
+	ene_dbg("RX: sensed carrier = %d Hz", carrier);
+	return carrier;
+}
+
+/* determine which input to use*/
+static void ene_rx_set_inputs(struct ene_device *dev)
+{
+	int learning_mode = dev->learning_enabled;
+
+	ene_dbg("RX: setup receiver, learning mode = %d", learning_mode);
+
+	ene_enable_normal_receive(dev, 1);
+
+	/* old hardware doesn't support learning mode for sure */
+	if (dev->hw_revision <= ENE_HW_B)
+		return;
+
+	/* receiver not learning capable, still set gpio40 correctly */
+	if (!dev->hw_learning_and_tx_capable) {
+		ene_enable_gpio40_receive(dev, !dev->hw_gpio40_learning);
+		return;
+	}
+
+	/* enable learning mode */
+	if (learning_mode) {
+		ene_enable_gpio40_receive(dev, dev->hw_gpio40_learning);
+
+		/* fan input is not used for learning */
+		if (dev->hw_fan_as_normal_input)
+			ene_enable_fan_receive(dev, 0);
+
+	/* disable learning mode */
+	} else {
+		if (dev->hw_fan_as_normal_input) {
+			ene_enable_fan_receive(dev, 1);
+			ene_enable_normal_receive(dev, 0);
+		} else
+			ene_enable_gpio40_receive(dev,
+					!dev->hw_gpio40_learning);
+	}
+
+	/* set few additional settings for this mode */
+	ene_hw_write_reg_mask(dev, ENE_CIR_CONF1, learning_mode ?
+			      ENE_CIR_CONF1_LEARN1 : 0, ENE_CIR_CONF1_LEARN1);
+
+	ene_hw_write_reg_mask(dev, ENE_CIR_CONF2, learning_mode ?
+			      ENE_CIR_CONF2_LEARN2 : 0, ENE_CIR_CONF2_LEARN2);
+
+	if (dev->rx_fan_input_inuse) {
+		dev->props->rx_resolution = ENE_SAMPLE_PERIOD_FAN * 1000;
+
+		dev->props->timeout =
+			ENE_FAN_VALUE_MASK * ENE_SAMPLE_PERIOD_FAN * 1000;
+	} else {
+		dev->props->rx_resolution = sample_period * 1000;
+		dev->props->timeout = ENE_MAXGAP * 1000;
+	}
+}
+
+/* Enable the device for receive */
+static void ene_rx_enable(struct ene_device *dev)
+{
+	u8 reg_value;
+
+	if (dev->hw_revision < ENE_HW_C) {
+		ene_hw_write_reg(dev, ENEB_IRQ, dev->irq << 1);
+		ene_hw_write_reg(dev, ENEB_IRQ_UNK1, 0x01);
+	} else {
+		reg_value = ene_hw_read_reg(dev, ENEC_IRQ) & 0xF0;
+		reg_value |= ENEC_IRQ_UNK_EN;
+		reg_value &= ~ENEC_IRQ_STATUS;
+		reg_value |= (dev->irq & ENEC_IRQ_MASK);
+		ene_hw_write_reg(dev, ENEC_IRQ, reg_value);
+		ene_hw_write_reg(dev, ENE_TX_UNK1, 0x63);
+	}
+
+	ene_hw_write_reg(dev, ENE_CIR_CONF2, 0x00);
+	ene_rx_set_inputs(dev);
+
+	/* set sampling period */
+	ene_hw_write_reg(dev, ENE_CIR_SAMPLE_PERIOD, sample_period);
+
+	/* ack any pending irqs - just in case */
+	ene_irq_status(dev);
+
+	/* enable firmware bits */
+	ene_hw_write_reg_mask(dev, ENE_FW1,
+			      ENE_FW1_ENABLE | ENE_FW1_IRQ,
+			      ENE_FW1_ENABLE | ENE_FW1_IRQ);
+
+	/* enter idle mode */
+	ir_raw_event_set_idle(dev->idev, 1);
+	ir_raw_event_reset(dev->idev);
+
+}
+
+/* Disable the device receiver */
+static void ene_rx_disable(struct ene_device *dev)
+{
+	/* disable inputs */
+	ene_enable_normal_receive(dev, 0);
+
+	if (dev->hw_fan_as_normal_input)
+		ene_enable_fan_receive(dev, 0);
+
+	/* disable hardware IRQ and firmware flag */
+	ene_hw_write_reg_mask(dev, ENE_FW1, 0, ENE_FW1_ENABLE | ENE_FW1_IRQ);
+
+	ir_raw_event_set_idle(dev->idev, 1);
+	ir_raw_event_reset(dev->idev);
+}
+
+
+/* prepare transmission */
+static void ene_tx_prepare(struct ene_device *dev)
+{
+	u8 conf1;
+
+	conf1 = ene_hw_read_reg(dev, ENE_CIR_CONF1);
+	dev->saved_conf1 = conf1;
+
+	if (dev->hw_revision == ENE_HW_C)
+		conf1 &= ~ENE_CIR_CONF1_TX_CLEAR;
+
+	/* Enable TX engine */
+	conf1 |= ENE_CIR_CONF1_TX_ON;
+
+	/* Set carrier */
+	if (dev->tx_period) {
+
+		/* NOTE: duty cycle handling is just a guess, it might
+			not be aviable. Default values were tested */
+		int tx_period_in500ns = dev->tx_period * 2;
+
+		int tx_pulse_width_in_500ns =
+			tx_period_in500ns / (100 / dev->tx_duty_cycle);
+
+		if (!tx_pulse_width_in_500ns)
+			tx_pulse_width_in_500ns = 1;
+
+		ene_dbg("TX: pulse distance = %d * 500 ns", tx_period_in500ns);
+		ene_dbg("TX: pulse width = %d * 500 ns",
+						tx_pulse_width_in_500ns);
+
+		ene_hw_write_reg(dev, ENE_TX_PERIOD, ENE_TX_PERIOD_UNKBIT |
+					tx_period_in500ns);
+
+		ene_hw_write_reg(dev, ENE_TX_PERIOD_PULSE,
+					tx_pulse_width_in_500ns);
+
+		conf1 |= ENE_CIR_CONF1_TX_CARR;
+	} else
+		conf1 &= ~ENE_CIR_CONF1_TX_CARR;
+
+	ene_hw_write_reg(dev, ENE_CIR_CONF1, conf1);
+
+}
+
+/* end transmission */
+static void ene_tx_complete(struct ene_device *dev)
+{
+	ene_hw_write_reg(dev, ENE_CIR_CONF1, dev->saved_conf1);
+	dev->tx_buffer = NULL;
+}
+
+/* set transmit mask */
+static void ene_tx_hw_set_transmiter_mask(struct ene_device *dev)
+{
+	u8 txport1 = ene_hw_read_reg(dev, ENE_TX_PORT1) & ~ENE_TX_PORT1_EN;
+	u8 txport2 = ene_hw_read_reg(dev, ENE_TX_PORT2) & ~ENE_TX_PORT2_EN;
+
+	if (dev->transmitter_mask & 0x01)
+		txport1 |= ENE_TX_PORT1_EN;
+
+	if (dev->transmitter_mask & 0x02)
+		txport2 |= ENE_TX_PORT2_EN;
+
+	ene_hw_write_reg(dev, ENE_TX_PORT1, txport1);
+	ene_hw_write_reg(dev, ENE_TX_PORT2, txport2);
+}
+
+/* TX one sample - must be called with dev->hw_lock*/
+static void ene_tx_sample(struct ene_device *dev)
+{
+	u8 raw_tx;
+	u32 sample;
+
+	if (!dev->tx_buffer) {
+		ene_dbg("TX: attempt to transmit NULL buffer");
+		return;
+	}
+
+	/* Grab next TX sample */
+	if (!dev->tx_sample) {
+again:
+		if (dev->tx_pos == dev->tx_len + 1) {
+			if (!dev->tx_done) {
+				ene_dbg("TX: no more data to send");
+				dev->tx_done = 1;
+				goto exit;
+			} else {
+				ene_dbg("TX: last sample sent by hardware");
+				ene_tx_complete(dev);
+				complete(&dev->tx_complete);
+				return;
+			}
+		}
+
+		sample = dev->tx_buffer[dev->tx_pos++];
+		dev->tx_sample_pulse = !dev->tx_sample_pulse;
+
+		ene_dbg("TX: sample %8d (%s)", sample, dev->tx_sample_pulse ?
+							"pulse" : "space");
+
+		dev->tx_sample = DIV_ROUND_CLOSEST(sample, ENE_TX_SMPL_PERIOD);
+
+		/* guard against too short samples */
+		if (!dev->tx_sample)
+			goto again;
+	}
+
+	raw_tx = min(dev->tx_sample , (unsigned int)ENE_TX_SMLP_MASK);
+	dev->tx_sample -= raw_tx;
+
+	if (dev->tx_sample_pulse)
+		raw_tx |= ENE_TX_PULSE_MASK;
+
+	ene_hw_write_reg(dev, ENE_TX_INPUT1 + dev->tx_reg, raw_tx);
+	dev->tx_reg = !dev->tx_reg;
+exit:
+	/* simulate TX done interrupt */
+	if (txsim)
+		mod_timer(&dev->tx_sim_timer, jiffies + HZ / 500);
+}
+
+/* timer to simulate tx done interrupt */
+static void ene_tx_irqsim(unsigned long data)
+{
+	struct ene_device *dev = (struct ene_device *)data;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->hw_lock, flags);
+	ene_tx_sample(dev);
+	spin_unlock_irqrestore(&dev->hw_lock, flags);
+}
+
+
+/* read irq status and ack it */
+static int ene_irq_status(struct ene_device *dev)
+{
+	u8 irq_status;
+	u8 fw_flags1, fw_flags2;
+	int cur_rx_pointer;
+	int retval = 0;
+
+	fw_flags2 = ene_hw_read_reg(dev, ENE_FW2);
+	cur_rx_pointer = !!(fw_flags2 & ENE_FW2_BUF_HIGH);
+
+	if (dev->hw_revision < ENE_HW_C) {
+		irq_status = ene_hw_read_reg(dev, ENEB_IRQ_STATUS);
+
+		if (!(irq_status & ENEB_IRQ_STATUS_IR))
+			return 0;
+
+		ene_hw_write_reg(dev, ENEB_IRQ_STATUS,
+				 irq_status & ~ENEB_IRQ_STATUS_IR);
+		dev->rx_pointer = cur_rx_pointer;
+		return ENE_IRQ_RX;
+	}
+
+	irq_status = ene_hw_read_reg(dev, ENEC_IRQ);
+
+	if (!(irq_status & ENEC_IRQ_STATUS))
+		return 0;
+
+	/* original driver does that twice - a workaround ? */
+	ene_hw_write_reg(dev, ENEC_IRQ, irq_status & ~ENEC_IRQ_STATUS);
+	ene_hw_write_reg(dev, ENEC_IRQ, irq_status & ~ENEC_IRQ_STATUS);
+
+	/* clear unknown flag in F8F9 */
+	if (fw_flags2 & ENE_FW2_IRQ_CLR)
+		ene_hw_write_reg(dev, ENE_FW2, fw_flags2 & ~ENE_FW2_IRQ_CLR);
+
+	/* check if this is a TX interrupt */
+	fw_flags1 = ene_hw_read_reg(dev, ENE_FW1);
+	if (fw_flags1 & ENE_FW1_TXIRQ) {
+		ene_hw_write_reg(dev, ENE_FW1, fw_flags1 & ~ENE_FW1_TXIRQ);
+		retval |= ENE_IRQ_TX;
+	}
+
+	/* Check if this is RX interrupt */
+	if (dev->rx_pointer != cur_rx_pointer) {
+		retval |= ENE_IRQ_RX;
+		dev->rx_pointer = cur_rx_pointer;
+
+	} else if (!(retval & ENE_IRQ_TX)) {
+		ene_dbg("RX: interrupt without change in RX pointer(%d)",
+			dev->rx_pointer);
+		retval |= ENE_IRQ_RX;
+	}
+
+	if ((retval & ENE_IRQ_RX) && (retval & ENE_IRQ_TX))
+		ene_dbg("both RX and TX interrupt at same time");
+
+	return retval;
+}
+
+/* interrupt handler */
+static irqreturn_t ene_isr(int irq, void *data)
+{
+	u16 hw_value;
+	int i, hw_sample;
+	int pulse;
+	int irq_status;
+	unsigned long flags;
+	int carrier = 0;
+	irqreturn_t retval = IRQ_NONE;
+	struct ene_device *dev = (struct ene_device *)data;
+	struct ir_raw_event ev;
+
+
+	spin_lock_irqsave(&dev->hw_lock, flags);
+	irq_status = ene_irq_status(dev);
+
+	if (!irq_status)
+		goto unlock;
+
+	retval = IRQ_HANDLED;
+
+	if (irq_status & ENE_IRQ_TX) {
+
+		if (!dev->hw_learning_and_tx_capable) {
+			ene_dbg("TX interrupt on unsupported device!");
+			goto unlock;
+		}
+		ene_tx_sample(dev);
+	}
+
+	if (!(irq_status & ENE_IRQ_RX))
+		goto unlock;
+
+
+	if (dev->carrier_detect_enabled || debug)
+		carrier = ene_rx_sense_carrier(dev);
+#if 0
+	/* TODO */
+	if (dev->carrier_detect_enabled && carrier)
+		ir_raw_event_report_frequency(dev->idev, carrier);
+#endif
+
+	for (i = 0; i < ENE_SAMPLES_SIZE; i++) {
+		hw_value = ene_hw_read_reg(dev,
+				ENE_SAMPLE_BUFFER + dev->rx_pointer * 4 + i);
+
+		if (dev->rx_fan_input_inuse) {
+			/* read high part of the sample */
+			hw_value |= ene_hw_read_reg(dev,
+			    ENE_SAMPLE_BUFFER_FAN +
+					dev->rx_pointer * 4 + i) << 8;
+			pulse = hw_value & ENE_FAN_SMPL_PULS_MSK;
+
+			/* clear space bit, and other unused bits */
+			hw_value &= ENE_FAN_VALUE_MASK;
+			hw_sample = hw_value * ENE_SAMPLE_PERIOD_FAN;
+
+		} else {
+			pulse = !(hw_value & ENE_SAMPLE_SPC_MASK);
+			hw_value &= ENE_SAMPLE_VALUE_MASK;
+			hw_sample = hw_value * sample_period;
+
+			if (dev->rx_period_adjust) {
+				hw_sample *= (100 - dev->rx_period_adjust);
+				hw_sample /= 100;
+			}
+		}
+		/* no more data */
+		if (!(hw_value))
+			break;
+
+		ene_dbg("RX: %d (%s)", hw_sample, pulse ? "pulse" : "space");
+
+
+		ev.duration = hw_sample * 1000;
+		ev.pulse = pulse;
+		ir_raw_event_store_with_filter(dev->idev, &ev);
+	}
+
+	ir_raw_event_handle(dev->idev);
+unlock:
+	spin_unlock_irqrestore(&dev->hw_lock, flags);
+	return retval;
+}
+
+/* Initialize default settings */
+static void ene_setup_settings(struct ene_device *dev)
+{
+	dev->tx_period = 32;
+	dev->tx_duty_cycle = 25; /*%*/
+	dev->transmitter_mask = 3;
+
+	/* Force learning mode if (input == 2), otherwise
+		let user set it with LIRC_SET_REC_CARRIER */
+	dev->learning_enabled =
+		(input == 2 && dev->hw_learning_and_tx_capable);
+
+	dev->rx_pointer = -1;
+
+}
+
+/* outside interface: called on first open*/
+static int ene_open(void *data)
+{
+	struct ene_device *dev = (struct ene_device *)data;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->hw_lock, flags);
+	dev->in_use = 1;
+	ene_setup_settings(dev);
+	ene_rx_enable(dev);
+	spin_unlock_irqrestore(&dev->hw_lock, flags);
+	return 0;
+}
+
+/* outside interface: called on device close*/
+static void ene_close(void *data)
+{
+	struct ene_device *dev = (struct ene_device *)data;
+	unsigned long flags;
+	spin_lock_irqsave(&dev->hw_lock, flags);
+
+	ene_rx_disable(dev);
+	dev->in_use = 0;
+	spin_unlock_irqrestore(&dev->hw_lock, flags);
+}
+
+/* outside interface: set transmitter mask */
+static int ene_set_tx_mask(void *data, u32 tx_mask)
+{
+	struct ene_device *dev = (struct ene_device *)data;
+	unsigned long flags;
+	ene_dbg("TX: attempt to set transmitter mask %02x", tx_mask);
+
+	/* invalid txmask */
+	if (!tx_mask || tx_mask & ~0x3) {
+		ene_dbg("TX: invalid mask");
+		/* return count of transmitters */
+		return 2;
+	}
+
+	spin_lock_irqsave(&dev->hw_lock, flags);
+	dev->transmitter_mask = tx_mask;
+	spin_unlock_irqrestore(&dev->hw_lock, flags);
+	return 0;
+}
+
+/* outside interface : set tx carrier */
+static int ene_set_tx_carrier(void *data, u32 carrier)
+{
+	struct ene_device *dev = (struct ene_device *)data;
+	unsigned long flags;
+	u32 period = 1000000 / carrier; /* (1 / freq) (* # usec in 1 sec) */
+
+	ene_dbg("TX: attempt to set tx carrier to %d kHz", carrier);
+
+	if (period && (period > ENE_TX_PERIOD_MAX ||
+			period < ENE_TX_PERIOD_MIN)) {
+
+		ene_dbg("TX: out of range %d-%d carrier, "
+			"falling back to 32 kHz",
+			1000 / ENE_TX_PERIOD_MIN,
+			1000 / ENE_TX_PERIOD_MAX);
+
+		period = 32; /* this is just a coincidence!!! */
+	}
+	ene_dbg("TX: set carrier to %d kHz", carrier);
+
+	spin_lock_irqsave(&dev->hw_lock, flags);
+	dev->tx_period = period;
+	spin_unlock_irqrestore(&dev->hw_lock, flags);
+	return 0;
+}
+
+
+/* outside interface: enable learning mode */
+static int ene_set_learning_mode(void *data, int enable)
+{
+	struct ene_device *dev = (struct ene_device *)data;
+	unsigned long flags;
+	if (enable == dev->learning_enabled)
+		return 0;
+
+	spin_lock_irqsave(&dev->hw_lock, flags);
+	dev->learning_enabled = enable;
+	ene_rx_set_inputs(dev);
+	spin_unlock_irqrestore(&dev->hw_lock, flags);
+	return 0;
+}
+
+/* outside interface: set rec carrier */
+static int ene_set_rec_carrier(void *data, u32 min, u32 max)
+{
+	struct ene_device *dev = (struct ene_device *)data;
+	ene_set_learning_mode(dev,
+		max > ENE_NORMAL_RX_HI || min < ENE_NORMAL_RX_LOW);
+	return 0;
+}
+
+/* outside interface: enable or disable idle mode */
+static void ene_rx_set_idle(void *data, int idle)
+{
+	struct ene_device *dev = (struct ene_device *)data;
+	ene_dbg("%sabling idle mode", idle ? "en" : "dis");
+
+	ene_hw_write_reg_mask(dev, ENE_CIR_SAMPLE_PERIOD,
+		(enable_idle && idle) ? 0 : ENE_CIR_SAMPLE_OVERFLOW,
+			ENE_CIR_SAMPLE_OVERFLOW);
+}
+
+
+/* outside interface: transmit */
+static int ene_transmit(void *data, int *buf, u32 n)
+{
+	struct ene_device *dev = (struct ene_device *)data;
+	unsigned long flags;
+
+	dev->tx_buffer = buf;
+	dev->tx_len = n / sizeof(int);
+	dev->tx_pos = 0;
+	dev->tx_reg = 0;
+	dev->tx_done = 0;
+	dev->tx_sample = 0;
+	dev->tx_sample_pulse = 0;
+
+	ene_dbg("TX: %d samples", dev->tx_len);
+
+	spin_lock_irqsave(&dev->hw_lock, flags);
+
+	ene_tx_hw_set_transmiter_mask(dev);
+	ene_tx_prepare(dev);
+
+	/* Transmit first two samples */
+	ene_tx_sample(dev);
+	ene_tx_sample(dev);
+
+	spin_unlock_irqrestore(&dev->hw_lock, flags);
+
+	if (wait_for_completion_timeout(&dev->tx_complete, 2 * HZ) == 0) {
+		ene_dbg("TX: timeout");
+		spin_lock_irqsave(&dev->hw_lock, flags);
+		ene_tx_complete(dev);
+		spin_unlock_irqrestore(&dev->hw_lock, flags);
+	} else
+		ene_dbg("TX: done");
+	return n;
+}
+
+
+/* probe entry */
+static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id)
+{
+	int error = -ENOMEM;
+	struct ir_dev_props *ir_props;
+	struct input_dev *input_dev;
+	struct ene_device *dev;
+
+	/* allocate memory */
+	input_dev = input_allocate_device();
+	ir_props = kzalloc(sizeof(struct ir_dev_props), GFP_KERNEL);
+	dev = kzalloc(sizeof(struct ene_device), GFP_KERNEL);
+
+	if (!input_dev || !ir_props || !dev)
+		goto error;
+
+	/* validate resources */
+	error = -ENODEV;
+
+	if (!pnp_port_valid(pnp_dev, 0) ||
+	    pnp_port_len(pnp_dev, 0) < ENE_MAX_IO)
+		goto error;
+
+	if (!pnp_irq_valid(pnp_dev, 0))
+		goto error;
+
+	dev->hw_io = pnp_port_start(pnp_dev, 0);
+	dev->irq = pnp_irq(pnp_dev, 0);
+	spin_lock_init(&dev->hw_lock);
+
+	/* claim the resources */
+	error = -EBUSY;
+	if (!request_region(dev->hw_io, ENE_MAX_IO, ENE_DRIVER_NAME))
+		goto error;
+
+	if (request_irq(dev->irq, ene_isr,
+			IRQF_SHARED, ENE_DRIVER_NAME, (void *)dev))
+		goto error;
+
+	pnp_set_drvdata(pnp_dev, dev);
+	dev->pnp_dev = pnp_dev;
+
+	/* detect hardware version and features */
+	error = ene_hw_detect(dev);
+	if (error)
+		goto error;
+
+	ene_setup_settings(dev);
+
+	if (!dev->hw_learning_and_tx_capable && txsim) {
+		dev->hw_learning_and_tx_capable = 1;
+		setup_timer(&dev->tx_sim_timer, ene_tx_irqsim,
+						(long unsigned int)dev);
+		ene_printk(KERN_WARNING,
+			"Simulation of TX activated\n");
+	}
+
+	ir_props->driver_type = RC_DRIVER_IR_RAW;
+	ir_props->allowed_protos = IR_TYPE_ALL;
+	ir_props->priv = dev;
+	ir_props->open = ene_open;
+	ir_props->close = ene_close;
+	ir_props->min_timeout = ENE_MINGAP * 1000;
+	ir_props->max_timeout = ENE_MAXGAP * 1000;
+	ir_props->timeout = ENE_MAXGAP * 1000;
+
+	if (dev->hw_revision == ENE_HW_B)
+		ir_props->s_idle = ene_rx_set_idle;
+
+
+	dev->props = ir_props;
+	dev->idev = input_dev;
+
+	/* don't allow too short/long sample periods */
+	if (sample_period < 5 || sample_period > 0x7F)
+		sample_period = -1;
+
+	/* choose default sample period */
+	if (sample_period == -1) {
+
+		sample_period = 50;
+
+		/* on revB, hardware idle mode eats first sample
+		  if we set too low sample period */
+		if (dev->hw_revision == ENE_HW_B && enable_idle)
+			sample_period = 75;
+	}
+
+	ir_props->rx_resolution = sample_period * 1000;
+
+	if (dev->hw_learning_and_tx_capable) {
+
+		ir_props->s_learning_mode = ene_set_learning_mode;
+
+		if (input == 0)
+			ir_props->s_rx_carrier_range = ene_set_rec_carrier;
+
+		init_completion(&dev->tx_complete);
+		ir_props->tx_ir = ene_transmit;
+		ir_props->s_tx_mask = ene_set_tx_mask;
+		ir_props->s_tx_carrier = ene_set_tx_carrier;
+		ir_props->tx_resolution = ENE_TX_SMPL_PERIOD * 1000;
+		/* ir_props->s_carrier_report = ene_set_carrier_report; */
+	}
+
+
+	device_set_wakeup_capable(&pnp_dev->dev, 1);
+	device_set_wakeup_enable(&pnp_dev->dev, 1);
+
+	if (dev->hw_learning_and_tx_capable)
+		input_dev->name = "ENE eHome Infrared Remote Transceiver";
+	else
+		input_dev->name = "ENE eHome Infrared Remote Receiver";
+
+
+	error = -ENODEV;
+	if (ir_input_register(input_dev, RC_MAP_RC6_MCE, ir_props,
+							ENE_DRIVER_NAME))
+		goto error;
+
+
+	ene_printk(KERN_NOTICE, "driver has been succesfully loaded\n");
+	return 0;
+error:
+	if (dev->irq)
+		free_irq(dev->irq, dev);
+	if (dev->hw_io)
+		release_region(dev->hw_io, ENE_MAX_IO);
+
+	input_free_device(input_dev);
+	kfree(ir_props);
+	kfree(dev);
+	return error;
+}
+
+/* main unload function */
+static void ene_remove(struct pnp_dev *pnp_dev)
+{
+	struct ene_device *dev = pnp_get_drvdata(pnp_dev);
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->hw_lock, flags);
+	ene_rx_disable(dev);
+	spin_unlock_irqrestore(&dev->hw_lock, flags);
+
+	free_irq(dev->irq, dev);
+	release_region(dev->hw_io, ENE_MAX_IO);
+	ir_input_unregister(dev->idev);
+	kfree(dev->props);
+	kfree(dev);
+}
+
+/* enable wake on IR (wakes on specific button on original remote) */
+static void ene_enable_wake(struct ene_device *dev, int enable)
+{
+	enable = enable && device_may_wakeup(&dev->pnp_dev->dev);
+
+	ene_dbg("wake on IR %s", enable ? "enabled" : "disabled");
+
+	ene_hw_write_reg_mask(dev, ENE_FW1, enable ?
+		ENE_FW1_WAKE : 0, ENE_FW1_WAKE);
+}
+
+#ifdef CONFIG_PM
+static int ene_suspend(struct pnp_dev *pnp_dev, pm_message_t state)
+{
+	struct ene_device *dev = pnp_get_drvdata(pnp_dev);
+	ene_enable_wake(dev, 1);
+	return 0;
+}
+
+static int ene_resume(struct pnp_dev *pnp_dev)
+{
+	struct ene_device *dev = pnp_get_drvdata(pnp_dev);
+	if (dev->in_use)
+		ene_rx_enable(dev);
+
+	ene_enable_wake(dev, 0);
+	return 0;
+}
+#endif
+
+static void ene_shutdown(struct pnp_dev *pnp_dev)
+{
+	struct ene_device *dev = pnp_get_drvdata(pnp_dev);
+	ene_enable_wake(dev, 1);
+}
+
+static const struct pnp_device_id ene_ids[] = {
+	{.id = "ENE0100",},
+	{.id = "ENE0200",},
+	{.id = "ENE0201",},
+	{.id = "ENE0202",},
+	{},
+};
+
+static struct pnp_driver ene_driver = {
+	.name = ENE_DRIVER_NAME,
+	.id_table = ene_ids,
+	.flags = PNP_DRIVER_RES_DO_NOT_CHANGE,
+
+	.probe = ene_probe,
+	.remove = __devexit_p(ene_remove),
+#ifdef CONFIG_PM
+	.suspend = ene_suspend,
+	.resume = ene_resume,
+#endif
+	.shutdown = ene_shutdown,
+};
+
+static int __init ene_init(void)
+{
+	return pnp_register_driver(&ene_driver);
+}
+
+static void ene_exit(void)
+{
+	pnp_unregister_driver(&ene_driver);
+}
+
+module_param(sample_period, int, S_IRUGO);
+MODULE_PARM_DESC(sample_period, "Hardware sample period (50 us default)");
+
+module_param(enable_idle, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(enable_idle,
+	"Enables turning off signal sampling after long inactivity time; "
+	"if disabled might help detecting input signal (default: enabled)"
+	" (KB3926B only)");
+
+module_param(input, bool, S_IRUGO);
+MODULE_PARM_DESC(input, "select which input to use "
+	"0 - auto, 1 - standard, 2 - wideband(KB3926C+)");
+
+module_param(debug, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "Enable debug (debug=2 verbose debug output)");
+
+module_param(txsim, bool, S_IRUGO);
+MODULE_PARM_DESC(txsim,
+	"Simulate TX features on unsupported hardware (dangerous)");
+
+MODULE_DEVICE_TABLE(pnp, ene_ids);
+MODULE_DESCRIPTION
+	("Infrared input driver for KB3926B/KB3926C/KB3926D "
+	"(aka ENE0100/ENE0200/ENE0201) CIR port");
+
+MODULE_AUTHOR("Maxim Levitsky");
+MODULE_LICENSE("GPL");
+
+module_init(ene_init);
+module_exit(ene_exit);
diff --git a/drivers/media/IR/ene_ir.h b/drivers/media/IR/ene_ir.h
new file mode 100644
index 000000000000..54c76af0d033
--- /dev/null
+++ b/drivers/media/IR/ene_ir.h
@@ -0,0 +1,235 @@
+/*
+ * driver for ENE KB3926 B/C/D CIR (also known as ENE0XXX)
+ *
+ * Copyright (C) 2010 Maxim Levitsky <maximlevitsky@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+#include <linux/spinlock.h>
+
+
+/* hardware address */
+#define ENE_STATUS		0	/* hardware status - unused */
+#define ENE_ADDR_HI		1	/* hi byte of register address */
+#define ENE_ADDR_LO		2	/* low byte of register address */
+#define ENE_IO			3	/* read/write window */
+#define ENE_MAX_IO		4
+
+/* 8 bytes of samples, divided in 2 halfs*/
+#define ENE_SAMPLE_BUFFER	0xF8F0	/* regular sample buffer */
+#define ENE_SAMPLE_SPC_MASK	0x80	/* sample is space */
+#define ENE_SAMPLE_VALUE_MASK	0x7F
+#define ENE_SAMPLE_OVERFLOW	0x7F
+#define ENE_SAMPLES_SIZE	4
+
+/* fan input sample buffer */
+#define ENE_SAMPLE_BUFFER_FAN	0xF8FB	/* this buffer holds high byte of */
+					/* each sample of normal buffer */
+#define ENE_FAN_SMPL_PULS_MSK	0x8000	/* this bit of combined sample */
+					/* if set, says that sample is pulse */
+#define ENE_FAN_VALUE_MASK	0x0FFF  /* mask for valid bits of the value */
+
+/* first firmware register */
+#define ENE_FW1			0xF8F8
+#define	ENE_FW1_ENABLE		0x01	/* enable fw processing */
+#define ENE_FW1_TXIRQ		0x02	/* TX interrupt pending */
+#define ENE_FW1_WAKE		0x40	/* enable wake from S3 */
+#define ENE_FW1_IRQ		0x80	/* enable interrupt */
+
+/* second firmware register */
+#define ENE_FW2			0xF8F9
+#define ENE_FW2_BUF_HIGH	0x01	/* which half of the buffer to read */
+#define ENE_FW2_IRQ_CLR		0x04	/* clear this on IRQ */
+#define ENE_FW2_GP40_AS_LEARN	0x08	/* normal input is used as */
+					/* learning input */
+#define ENE_FW2_FAN_AS_NRML_IN	0x40	/* fan is used as normal input */
+#define ENE_FW2_LEARNING	0x80	/* hardware supports learning and TX */
+
+/* transmitter ports */
+#define ENE_TX_PORT2		0xFC01	/* this enables one or both */
+#define ENE_TX_PORT2_EN		0x20	/* TX ports */
+#define ENE_TX_PORT1		0xFC08
+#define ENE_TX_PORT1_EN		0x02
+
+/* IRQ registers block (for revision B) */
+#define ENEB_IRQ		0xFD09	/* IRQ number */
+#define ENEB_IRQ_UNK1		0xFD17	/* unknown setting = 1 */
+#define ENEB_IRQ_STATUS		0xFD80	/* irq status */
+#define ENEB_IRQ_STATUS_IR	0x20	/* IR irq */
+
+/* fan as input settings - only if learning capable */
+#define ENE_FAN_AS_IN1		0xFE30  /* fan init reg 1 */
+#define ENE_FAN_AS_IN1_EN	0xCD
+#define ENE_FAN_AS_IN2		0xFE31  /* fan init reg 2 */
+#define ENE_FAN_AS_IN2_EN	0x03
+#define ENE_SAMPLE_PERIOD_FAN   61	/* fan input has fixed sample period */
+
+/* IRQ registers block (for revision C,D) */
+#define ENEC_IRQ		0xFE9B	/* new irq settings register */
+#define ENEC_IRQ_MASK		0x0F	/* irq number mask */
+#define ENEC_IRQ_UNK_EN		0x10	/* always enabled */
+#define ENEC_IRQ_STATUS		0x20	/* irq status and ACK */
+
+/* CIR block settings */
+#define ENE_CIR_CONF1		0xFEC0
+#define ENE_CIR_CONF1_TX_CLEAR	0x01	/* clear that on revC */
+					/* while transmitting */
+#define ENE_CIR_CONF1_RX_ON	0x07	/* normal receiver enabled */
+#define ENE_CIR_CONF1_LEARN1	0x08	/* enabled on learning mode */
+#define ENE_CIR_CONF1_TX_ON	0x30	/* enabled on transmit */
+#define ENE_CIR_CONF1_TX_CARR	0x80	/* send TX carrier or not */
+
+#define ENE_CIR_CONF2		0xFEC1	/* unknown setting = 0 */
+#define ENE_CIR_CONF2_LEARN2	0x10	/* set on enable learning */
+#define ENE_CIR_CONF2_GPIO40DIS	0x20	/* disable input via gpio40 */
+
+#define ENE_CIR_SAMPLE_PERIOD	0xFEC8	/* sample period in us */
+#define ENE_CIR_SAMPLE_OVERFLOW	0x80	/* interrupt on overflows if set */
+
+
+/* Two byte tx buffer */
+#define ENE_TX_INPUT1		0xFEC9
+#define ENE_TX_INPUT2		0xFECA
+#define ENE_TX_PULSE_MASK	0x80	/* Transmitted sample is pulse */
+#define ENE_TX_SMLP_MASK	0x7F
+#define ENE_TX_SMPL_PERIOD	50	/* transmit sample period - fixed */
+
+
+/* Unknown TX setting - TX sample period ??? */
+#define ENE_TX_UNK1		0xFECB	/* set to 0x63 */
+
+/* Current received carrier period */
+#define ENE_RX_CARRIER		0xFECC	/* RX period (500 ns) */
+#define ENE_RX_CARRIER_VALID	0x80	/* Register content valid */
+
+
+/* TX period (1/carrier) */
+#define ENE_TX_PERIOD		0xFECE	/* TX period (500 ns) */
+#define ENE_TX_PERIOD_UNKBIT	0x80	/* This bit set on transmit*/
+#define ENE_TX_PERIOD_PULSE	0xFECF	/* TX pulse period (500 ns)*/
+
+/* Hardware versions */
+#define ENE_HW_VERSION		0xFF00	/* hardware revision */
+#define ENE_PLLFRH		0xFF16
+#define ENE_PLLFRL		0xFF17
+
+#define ENE_HW_UNK		0xFF1D
+#define ENE_HW_UNK_CLR		0x04
+#define ENE_HW_VER_MAJOR	0xFF1E	/* chip version */
+#define ENE_HW_VER_MINOR	0xFF1F
+#define ENE_HW_VER_OLD		0xFD00
+
+/* Normal/Learning carrier ranges - only valid if we have learning input*/
+/* TODO: test */
+#define ENE_NORMAL_RX_LOW	34
+#define ENE_NORMAL_RX_HI	38
+
+/* Tx carrier range */
+/* Hardware might be able to do more, but this range is enough for
+   all purposes */
+#define ENE_TX_PERIOD_MAX	32	/* corresponds to 29.4 kHz */
+#define ENE_TX_PERIOD_MIN	16	/* corrsponds to 62.5 kHz */
+
+
+
+/* Minimal and maximal gaps */
+
+/* Normal case:
+	Minimal gap is 0x7F * sample period
+	Maximum gap depends on hardware.
+	For KB3926B, it is unlimited, for newer models its around
+	250000, after which HW stops sending samples, and that is
+	not possible to change */
+
+/* Fan case:
+	Both minimal and maximal gaps are same, and equal to 0xFFF * 0x61
+	And there is nothing to change this setting
+*/
+
+#define ENE_MAXGAP		250000
+#define ENE_MINGAP		(127 * sample_period)
+
+/******************************************************************************/
+
+#define ENE_DRIVER_NAME		"ene_ir"
+
+#define ENE_IRQ_RX		1
+#define ENE_IRQ_TX		2
+
+#define  ENE_HW_B		1	/* 3926B */
+#define  ENE_HW_C		2	/* 3926C */
+#define  ENE_HW_D		3	/* 3926D */
+
+#define ene_printk(level, text, ...) \
+	printk(level ENE_DRIVER_NAME ": " text, ## __VA_ARGS__)
+
+#define ene_dbg(text, ...) \
+	if (debug) \
+		printk(KERN_DEBUG \
+			ENE_DRIVER_NAME ": " text "\n" , ## __VA_ARGS__)
+
+#define ene_dbg_verbose(text, ...) \
+	if (debug > 1) \
+		printk(KERN_DEBUG \
+			ENE_DRIVER_NAME ": " text "\n" , ## __VA_ARGS__)
+
+
+struct ene_device {
+	struct pnp_dev *pnp_dev;
+	struct input_dev *idev;
+	struct ir_dev_props *props;
+	int in_use;
+
+	/* hw IO settings */
+	unsigned long hw_io;
+	int irq;
+	spinlock_t hw_lock;
+
+	/* HW features */
+	int hw_revision;			/* hardware revision */
+	bool hw_learning_and_tx_capable;	/* learning capable */
+	bool hw_gpio40_learning;		/* gpio40 is learning */
+	bool hw_fan_as_normal_input;		/* fan input is used as */
+						/* regular input */
+	/* HW state*/
+	int rx_pointer;				/* hw pointer to rx buffer */
+	bool rx_fan_input_inuse;		/* is fan input in use for rx*/
+	int tx_reg;				/* current reg used for TX */
+	u8  saved_conf1;			/* saved FEC0 reg */
+
+	/* TX sample handling */
+	unsigned int tx_sample;			/* current sample for TX */
+	bool tx_sample_pulse;			/* current sample is pulse */
+
+	/* TX buffer */
+	int *tx_buffer;				/* input samples buffer*/
+	int tx_pos;				/* position in that bufer */
+	int tx_len;				/* current len of tx buffer */
+	int tx_done;				/* done transmitting */
+						/* one more sample pending*/
+	struct completion tx_complete;		/* TX completion */
+	struct timer_list tx_sim_timer;
+
+	/* TX settings */
+	int tx_period;
+	int tx_duty_cycle;
+	int transmitter_mask;
+
+	/* RX settings */
+	bool learning_enabled;			/* learning input enabled */
+	bool carrier_detect_enabled;		/* carrier detect enabled */
+	int rx_period_adjust;
+};
diff --git a/drivers/media/IR/imon.c b/drivers/media/IR/imon.c
index 65c125e44e96..c185422ef28c 100644
--- a/drivers/media/IR/imon.c
+++ b/drivers/media/IR/imon.c
@@ -87,7 +87,6 @@ static ssize_t lcd_write(struct file *file, const char *buf,
 struct imon_context {
 	struct device *dev;
 	struct ir_dev_props *props;
-	struct ir_input_dev *ir;
 	/* Newer devices have two interfaces */
 	struct usb_device *usbdev_intf0;
 	struct usb_device *usbdev_intf1;
@@ -1656,7 +1655,6 @@ static struct input_dev *imon_init_idev(struct imon_context *ictx)
 {
 	struct input_dev *idev;
 	struct ir_dev_props *props;
-	struct ir_input_dev *ir;
 	int ret, i;
 
 	idev = input_allocate_device();
@@ -1671,12 +1669,6 @@ static struct input_dev *imon_init_idev(struct imon_context *ictx)
 		goto props_alloc_failed;
 	}
 
-	ir = kzalloc(sizeof(struct ir_input_dev), GFP_KERNEL);
-	if (!ir) {
-		dev_err(ictx->dev, "remote ir input dev allocation failed\n");
-		goto ir_dev_alloc_failed;
-	}
-
 	snprintf(ictx->name_idev, sizeof(ictx->name_idev),
 		 "iMON Remote (%04x:%04x)", ictx->vendor, ictx->product);
 	idev->name = ictx->name_idev;
@@ -1706,14 +1698,9 @@ static struct input_dev *imon_init_idev(struct imon_context *ictx)
 	props->change_protocol = imon_ir_change_protocol;
 	ictx->props = props;
 
-	ictx->ir = ir;
-	memcpy(&ir->dev, ictx->dev, sizeof(struct device));
-
 	usb_to_input_id(ictx->usbdev_intf0, &idev->id);
 	idev->dev.parent = ictx->dev;
 
-	input_set_drvdata(idev, ir);
-
 	ret = ir_input_register(idev, RC_MAP_IMON_PAD, props, MOD_NAME);
 	if (ret < 0) {
 		dev_err(ictx->dev, "remote input dev register failed\n");
@@ -1723,8 +1710,6 @@ static struct input_dev *imon_init_idev(struct imon_context *ictx)
 	return idev;
 
 idev_register_failed:
-	kfree(ir);
-ir_dev_alloc_failed:
 	kfree(props);
 props_alloc_failed:
 	input_free_device(idev);
@@ -1944,7 +1929,6 @@ static struct imon_context *imon_init_intf0(struct usb_interface *intf)
 
 urb_submit_failed:
 	ir_input_unregister(ictx->idev);
-	input_free_device(ictx->idev);
 idev_setup_failed:
 find_endpoint_failed:
 	mutex_unlock(&ictx->lock);
@@ -2014,10 +1998,8 @@ static struct imon_context *imon_init_intf1(struct usb_interface *intf,
 	return ictx;
 
 urb_submit_failed:
-	if (ictx->touch) {
+	if (ictx->touch)
 		input_unregister_device(ictx->touch);
-		input_free_device(ictx->touch);
-	}
 touch_setup_failed:
 find_endpoint_failed:
 	mutex_unlock(&ictx->lock);
diff --git a/drivers/media/IR/ir-core-priv.h b/drivers/media/IR/ir-core-priv.h
index babd52061bc3..a85a8c7c905a 100644
--- a/drivers/media/IR/ir-core-priv.h
+++ b/drivers/media/IR/ir-core-priv.h
@@ -32,7 +32,7 @@ struct ir_raw_handler {
 
 struct ir_raw_event_ctrl {
 	struct list_head		list;		/* to keep track of raw clients */
-	struct work_struct		rx_work;	/* for the rx decoding workqueue */
+	struct task_struct		*thread;
 	struct kfifo			kfifo;		/* fifo for the pulse/space durations */
 	ktime_t				last_event;	/* when last event occurred */
 	enum raw_event_type		last_type;	/* last event type */
@@ -41,10 +41,13 @@ struct ir_raw_event_ctrl {
 
 	/* raw decoder state follows */
 	struct ir_raw_event prev_ev;
+	struct ir_raw_event this_ev;
 	struct nec_dec {
 		int state;
 		unsigned count;
 		u32 bits;
+		bool is_nec_x;
+		bool necx_repeat;
 	} nec;
 	struct rc5_dec {
 		int state;
@@ -76,7 +79,7 @@ struct ir_raw_event_ctrl {
 	struct lirc_codec {
 		struct ir_input_dev *ir_dev;
 		struct lirc_driver *drv;
-		int lircdata;
+		int carrier_low;
 	} lirc;
 };
 
@@ -104,10 +107,9 @@ static inline void decrease_duration(struct ir_raw_event *ev, unsigned duration)
 		ev->duration -= duration;
 }
 
-#define TO_US(duration)			(((duration) + 500) / 1000)
+#define TO_US(duration)			DIV_ROUND_CLOSEST((duration), 1000)
 #define TO_STR(is_pulse)		((is_pulse) ? "pulse" : "space")
 #define IS_RESET(ev)			(ev.duration == 0)
-
 /*
  * Routines from ir-sysfs.c - Meant to be called only internally inside
  * ir-core
@@ -126,7 +128,8 @@ int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler);
 void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler);
 void ir_raw_init(void);
 
-
+int ir_rcmap_init(void);
+void ir_rcmap_cleanup(void);
 /*
  * Decoder initialization code
  *
diff --git a/drivers/media/IR/ir-jvc-decoder.c b/drivers/media/IR/ir-jvc-decoder.c
index 8894d8b36048..77a89c4de014 100644
--- a/drivers/media/IR/ir-jvc-decoder.c
+++ b/drivers/media/IR/ir-jvc-decoder.c
@@ -32,6 +32,7 @@ enum jvc_state {
 	STATE_BIT_SPACE,
 	STATE_TRAILER_PULSE,
 	STATE_TRAILER_SPACE,
+	STATE_CHECK_REPEAT,
 };
 
 /**
@@ -60,6 +61,7 @@ static int ir_jvc_decode(struct input_dev *input_dev, struct ir_raw_event ev)
 	IR_dprintk(2, "JVC decode started at state %d (%uus %s)\n",
 		   data->state, TO_US(ev.duration), TO_STR(ev.pulse));
 
+again:
 	switch (data->state) {
 
 	case STATE_INACTIVE:
@@ -149,8 +151,18 @@ static int ir_jvc_decode(struct input_dev *input_dev, struct ir_raw_event ev)
 		}
 
 		data->count = 0;
-		data->state = STATE_BIT_PULSE;
+		data->state = STATE_CHECK_REPEAT;
 		return 0;
+
+	case STATE_CHECK_REPEAT:
+		if (!ev.pulse)
+			break;
+
+		if (eq_margin(ev.duration, JVC_HEADER_PULSE, JVC_UNIT / 2))
+			data->state = STATE_INACTIVE;
+  else
+			data->state = STATE_BIT_PULSE;
+		goto again;
 	}
 
 out:
diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c
index 15a0f192d413..7e82a9df726b 100644
--- a/drivers/media/IR/ir-keytable.c
+++ b/drivers/media/IR/ir-keytable.c
@@ -339,6 +339,8 @@ void ir_repeat(struct input_dev *dev)
 
 	spin_lock_irqsave(&ir->keylock, flags);
 
+	input_event(dev, EV_MSC, MSC_SCAN, ir->last_scancode);
+
 	if (!ir->keypressed)
 		goto out;
 
@@ -370,6 +372,8 @@ void ir_keydown(struct input_dev *dev, int scancode, u8 toggle)
 
 	spin_lock_irqsave(&ir->keylock, flags);
 
+	input_event(dev, EV_MSC, MSC_SCAN, scancode);
+
 	/* Repeat event? */
 	if (ir->keypressed &&
 	    ir->last_scancode == scancode &&
@@ -383,9 +387,11 @@ void ir_keydown(struct input_dev *dev, int scancode, u8 toggle)
 	ir->last_toggle = toggle;
 	ir->last_keycode = keycode;
 
+
 	if (keycode == KEY_RESERVED)
 		goto out;
 
+
 	/* Register a keypress */
 	ir->keypressed = true;
 	IR_dprintk(1, "%s: key down event, key 0x%04x, scancode 0x%04x\n",
@@ -428,7 +434,7 @@ static void ir_close(struct input_dev *input_dev)
  */
 int __ir_input_register(struct input_dev *input_dev,
 		      const struct ir_scancode_table *rc_tab,
-		      const struct ir_dev_props *props,
+		      struct ir_dev_props *props,
 		      const char *driver_name)
 {
 	struct ir_input_dev *ir_dev;
@@ -480,6 +486,8 @@ int __ir_input_register(struct input_dev *input_dev,
 
 	set_bit(EV_KEY, input_dev->evbit);
 	set_bit(EV_REP, input_dev->evbit);
+	set_bit(EV_MSC, input_dev->evbit);
+	set_bit(MSC_SCAN, input_dev->mscbit);
 
 	if (ir_setkeytable(input_dev, &ir_dev->rc_tab, rc_tab)) {
 		rc = -ENOMEM;
@@ -499,7 +507,8 @@ int __ir_input_register(struct input_dev *input_dev,
 
 	IR_dprintk(1, "Registered input device on %s for %s remote%s.\n",
 		   driver_name, rc_tab->name,
-		   ir_dev->props->driver_type == RC_DRIVER_IR_RAW ? " in raw mode" : "");
+		   (ir_dev->props && ir_dev->props->driver_type == RC_DRIVER_IR_RAW) ?
+			" in raw mode" : "");
 
 	return 0;
 
diff --git a/drivers/media/IR/ir-lirc-codec.c b/drivers/media/IR/ir-lirc-codec.c
index 3ba482d96c4b..77b5946413c0 100644
--- a/drivers/media/IR/ir-lirc-codec.c
+++ b/drivers/media/IR/ir-lirc-codec.c
@@ -32,6 +32,7 @@
 static int ir_lirc_decode(struct input_dev *input_dev, struct ir_raw_event ev)
 {
 	struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
+	int sample;
 
 	if (!(ir_dev->raw->enabled_protocols & IR_TYPE_LIRC))
 		return 0;
@@ -39,18 +40,20 @@ static int ir_lirc_decode(struct input_dev *input_dev, struct ir_raw_event ev)
 	if (!ir_dev->raw->lirc.drv || !ir_dev->raw->lirc.drv->rbuf)
 		return -EINVAL;
 
+	if (IS_RESET(ev))
+		return 0;
+
 	IR_dprintk(2, "LIRC data transfer started (%uus %s)\n",
 		   TO_US(ev.duration), TO_STR(ev.pulse));
 
-	ir_dev->raw->lirc.lircdata += ev.duration / 1000;
+	sample = ev.duration / 1000;
 	if (ev.pulse)
-		ir_dev->raw->lirc.lircdata |= PULSE_BIT;
+		sample |= PULSE_BIT;
 
 	lirc_buffer_write(ir_dev->raw->lirc.drv->rbuf,
-			  (unsigned char *) &ir_dev->raw->lirc.lircdata);
+			  (unsigned char *) &sample);
 	wake_up(&ir_dev->raw->lirc.drv->rbuf->wait_poll);
 
-	ir_dev->raw->lirc.lircdata = 0;
 
 	return 0;
 }
@@ -92,13 +95,14 @@ out:
 	return ret;
 }
 
-static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
+static long ir_lirc_ioctl(struct file *filep, unsigned int cmd,
+			unsigned long __user arg)
 {
 	struct lirc_codec *lirc;
 	struct ir_input_dev *ir_dev;
 	int ret = 0;
 	void *drv_data;
-	unsigned long val;
+	unsigned long val = 0;
 
 	lirc = lirc_get_pdata(filep);
 	if (!lirc)
@@ -110,47 +114,106 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long ar
 
 	drv_data = ir_dev->props->priv;
 
-	switch (cmd) {
-	case LIRC_SET_TRANSMITTER_MASK:
+	if (_IOC_DIR(cmd) & _IOC_WRITE) {
 		ret = get_user(val, (unsigned long *)arg);
 		if (ret)
 			return ret;
+	}
+
+	switch (cmd) {
 
-		if (ir_dev->props && ir_dev->props->s_tx_mask)
+	/* legacy support */
+	case LIRC_GET_SEND_MODE:
+		val = LIRC_CAN_SEND_PULSE & LIRC_CAN_SEND_MASK;
+		break;
+
+	case LIRC_SET_SEND_MODE:
+		if (val != (LIRC_MODE_PULSE & LIRC_CAN_SEND_MASK))
+			return -EINVAL;
+		break;
+
+	/* TX settings */
+	case LIRC_SET_TRANSMITTER_MASK:
+		if (ir_dev->props->s_tx_mask)
 			ret = ir_dev->props->s_tx_mask(drv_data, (u32)val);
 		else
 			return -EINVAL;
 		break;
 
 	case LIRC_SET_SEND_CARRIER:
-		ret = get_user(val, (unsigned long *)arg);
-		if (ret)
-			return ret;
-
-		if (ir_dev->props && ir_dev->props->s_tx_carrier)
+		if (ir_dev->props->s_tx_carrier)
 			ir_dev->props->s_tx_carrier(drv_data, (u32)val);
 		else
 			return -EINVAL;
 		break;
 
-	case LIRC_GET_SEND_MODE:
-		val = LIRC_CAN_SEND_PULSE & LIRC_CAN_SEND_MASK;
-		ret = put_user(val, (unsigned long *)arg);
+	case LIRC_SET_SEND_DUTY_CYCLE:
+		if (!ir_dev->props->s_tx_duty_cycle)
+			return -ENOSYS;
+
+		if (val <= 0 || val >= 100)
+			return -EINVAL;
+
+		ir_dev->props->s_tx_duty_cycle(ir_dev->props->priv, val);
 		break;
 
-	case LIRC_SET_SEND_MODE:
-		ret = get_user(val, (unsigned long *)arg);
-		if (ret)
-			return ret;
+	/* RX settings */
+	case LIRC_SET_REC_CARRIER:
+		if (ir_dev->props->s_rx_carrier_range)
+			ret = ir_dev->props->s_rx_carrier_range(
+				ir_dev->props->priv,
+				ir_dev->raw->lirc.carrier_low, val);
+		else
+			return -ENOSYS;
 
-		if (val != (LIRC_MODE_PULSE & LIRC_CAN_SEND_MASK))
+		if (!ret)
+			ir_dev->raw->lirc.carrier_low = 0;
+		break;
+
+	case LIRC_SET_REC_CARRIER_RANGE:
+		if (val >= 0)
+			ir_dev->raw->lirc.carrier_low = val;
+		break;
+
+
+	case LIRC_GET_REC_RESOLUTION:
+		val = ir_dev->props->rx_resolution;
+		break;
+
+	case LIRC_SET_WIDEBAND_RECEIVER:
+		if (ir_dev->props->s_learning_mode)
+			return ir_dev->props->s_learning_mode(
+				ir_dev->props->priv, !!val);
+		else
+			return -ENOSYS;
+
+	/* Generic timeout support */
+	case LIRC_GET_MIN_TIMEOUT:
+		if (!ir_dev->props->max_timeout)
+			return -ENOSYS;
+		val = ir_dev->props->min_timeout / 1000;
+		break;
+
+	case LIRC_GET_MAX_TIMEOUT:
+		if (!ir_dev->props->max_timeout)
+			return -ENOSYS;
+		val = ir_dev->props->max_timeout / 1000;
+		break;
+
+	case LIRC_SET_REC_TIMEOUT:
+		if (val < ir_dev->props->min_timeout ||
+		    val > ir_dev->props->max_timeout)
 			return -EINVAL;
+		ir_dev->props->timeout = val * 1000;
 		break;
 
 	default:
 		return lirc_dev_fop_ioctl(filep, cmd, arg);
 	}
 
+	if (_IOC_DIR(cmd) & _IOC_READ)
+		ret = put_user(val, (unsigned long *)arg);
+
 	return ret;
 }
 
@@ -196,13 +259,28 @@ static int ir_lirc_register(struct input_dev *input_dev)
 
 	features = LIRC_CAN_REC_MODE2;
 	if (ir_dev->props->tx_ir) {
+
 		features |= LIRC_CAN_SEND_PULSE;
 		if (ir_dev->props->s_tx_mask)
 			features |= LIRC_CAN_SET_TRANSMITTER_MASK;
 		if (ir_dev->props->s_tx_carrier)
 			features |= LIRC_CAN_SET_SEND_CARRIER;
+
+		if (ir_dev->props->s_tx_duty_cycle)
+			features |= LIRC_CAN_SET_REC_DUTY_CYCLE;
 	}
 
+	if (ir_dev->props->s_rx_carrier_range)
+		features |= LIRC_CAN_SET_REC_CARRIER |
+			LIRC_CAN_SET_REC_CARRIER_RANGE;
+
+	if (ir_dev->props->s_learning_mode)
+		features |= LIRC_CAN_USE_WIDEBAND_RECEIVER;
+
+	if (ir_dev->props->max_timeout)
+		features |= LIRC_CAN_SET_REC_TIMEOUT;
+
+
 	snprintf(drv->name, sizeof(drv->name), "ir-lirc-codec (%s)",
 		 ir_dev->driver_name);
 	drv->minor = -1;
@@ -224,8 +302,6 @@ static int ir_lirc_register(struct input_dev *input_dev)
 
 	ir_dev->raw->lirc.drv = drv;
 	ir_dev->raw->lirc.ir_dev = ir_dev;
-	ir_dev->raw->lirc.lircdata = PULSE_MASK;
-
 	return 0;
 
 lirc_register_failed:
diff --git a/drivers/media/IR/ir-nec-decoder.c b/drivers/media/IR/ir-nec-decoder.c
index 52e0f378ae3d..d597421d6547 100644
--- a/drivers/media/IR/ir-nec-decoder.c
+++ b/drivers/media/IR/ir-nec-decoder.c
@@ -20,12 +20,13 @@
 #define NEC_HEADER_PULSE	(16 * NEC_UNIT)
 #define NECX_HEADER_PULSE	(8  * NEC_UNIT) /* Less common NEC variant */
 #define NEC_HEADER_SPACE	(8  * NEC_UNIT)
-#define NEC_REPEAT_SPACE	(8  * NEC_UNIT)
+#define NEC_REPEAT_SPACE	(4  * NEC_UNIT)
 #define NEC_BIT_PULSE		(1  * NEC_UNIT)
 #define NEC_BIT_0_SPACE		(1  * NEC_UNIT)
 #define NEC_BIT_1_SPACE		(3  * NEC_UNIT)
 #define	NEC_TRAILER_PULSE	(1  * NEC_UNIT)
 #define	NEC_TRAILER_SPACE	(10 * NEC_UNIT) /* even longer in reality */
+#define NECX_REPEAT_BITS	1
 
 enum nec_state {
 	STATE_INACTIVE,
@@ -67,8 +68,12 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev)
 		if (!ev.pulse)
 			break;
 
-		if (!eq_margin(ev.duration, NEC_HEADER_PULSE, NEC_UNIT / 2) &&
-		    !eq_margin(ev.duration, NECX_HEADER_PULSE, NEC_UNIT / 2))
+		if (eq_margin(ev.duration, NEC_HEADER_PULSE, NEC_UNIT / 2)) {
+			data->is_nec_x = false;
+			data->necx_repeat = false;
+		} else if (eq_margin(ev.duration, NECX_HEADER_PULSE, NEC_UNIT / 2))
+			data->is_nec_x = true;
+		else
 			break;
 
 		data->count = 0;
@@ -105,6 +110,17 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev)
 		if (ev.pulse)
 			break;
 
+		if (data->necx_repeat && data->count == NECX_REPEAT_BITS &&
+			geq_margin(ev.duration,
+			NEC_TRAILER_SPACE, NEC_UNIT / 2)) {
+				IR_dprintk(1, "Repeat last key\n");
+				ir_repeat(input_dev);
+				data->state = STATE_INACTIVE;
+				return 0;
+
+		} else if (data->count > NECX_REPEAT_BITS)
+			data->necx_repeat = false;
+
 		data->bits <<= 1;
 		if (eq_margin(ev.duration, NEC_BIT_1_SPACE, NEC_UNIT / 2))
 			data->bits |= 1;
@@ -159,6 +175,9 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev)
 			IR_dprintk(1, "NEC scancode 0x%04x\n", scancode);
 		}
 
+		if (data->is_nec_x)
+			data->necx_repeat = true;
+
 		ir_keydown(input_dev, scancode, 0);
 		data->state = STATE_INACTIVE;
 		return 0;
diff --git a/drivers/media/IR/ir-raw-event.c b/drivers/media/IR/ir-raw-event.c
index 6f192ef31db1..43094e7eccfa 100644
--- a/drivers/media/IR/ir-raw-event.c
+++ b/drivers/media/IR/ir-raw-event.c
@@ -12,9 +12,10 @@
  *  GNU General Public License for more details.
  */
 
-#include <linux/workqueue.h>
-#include <linux/spinlock.h>
+#include <linux/kthread.h>
+#include <linux/mutex.h>
 #include <linux/sched.h>
+#include <linux/freezer.h>
 #include "ir-core-priv.h"
 
 /* Define the max number of pulse/space transitions to buffer */
@@ -24,7 +25,7 @@
 static LIST_HEAD(ir_raw_client_list);
 
 /* Used to handle IR raw handler extensions */
-static DEFINE_SPINLOCK(ir_raw_handler_lock);
+static DEFINE_MUTEX(ir_raw_handler_lock);
 static LIST_HEAD(ir_raw_handler_list);
 static u64 available_protocols;
 
@@ -33,20 +34,30 @@ static u64 available_protocols;
 static struct work_struct wq_load;
 #endif
 
-static void ir_raw_event_work(struct work_struct *work)
+static int ir_raw_event_thread(void *data)
 {
 	struct ir_raw_event ev;
 	struct ir_raw_handler *handler;
-	struct ir_raw_event_ctrl *raw =
-		container_of(work, struct ir_raw_event_ctrl, rx_work);
-
-	while (kfifo_out(&raw->kfifo, &ev, sizeof(ev)) == sizeof(ev)) {
-		spin_lock(&ir_raw_handler_lock);
-		list_for_each_entry(handler, &ir_raw_handler_list, list)
-			handler->decode(raw->input_dev, ev);
-		spin_unlock(&ir_raw_handler_lock);
-		raw->prev_ev = ev;
+	struct ir_raw_event_ctrl *raw = (struct ir_raw_event_ctrl *)data;
+
+	while (!kthread_should_stop()) {
+		try_to_freeze();
+
+		mutex_lock(&ir_raw_handler_lock);
+
+		while (kfifo_out(&raw->kfifo, &ev, sizeof(ev)) == sizeof(ev)) {
+			list_for_each_entry(handler, &ir_raw_handler_list, list)
+				handler->decode(raw->input_dev, ev);
+			raw->prev_ev = ev;
+		}
+
+		mutex_unlock(&ir_raw_handler_lock);
+
+		set_current_state(TASK_INTERRUPTIBLE);
+		schedule();
 	}
+
+	return 0;
 }
 
 /**
@@ -66,6 +77,9 @@ int ir_raw_event_store(struct input_dev *input_dev, struct ir_raw_event *ev)
 	if (!ir->raw)
 		return -EINVAL;
 
+	IR_dprintk(2, "sample: (05%dus %s)\n",
+		TO_US(ev->duration), TO_STR(ev->pulse));
+
 	if (kfifo_in(&ir->raw->kfifo, ev, sizeof(*ev)) != sizeof(*ev))
 		return -ENOMEM;
 
@@ -126,6 +140,90 @@ int ir_raw_event_store_edge(struct input_dev *input_dev, enum raw_event_type typ
 EXPORT_SYMBOL_GPL(ir_raw_event_store_edge);
 
 /**
+ * ir_raw_event_store_with_filter() - pass next pulse/space to decoders with some processing
+ * @input_dev:	the struct input_dev device descriptor
+ * @type:	the type of the event that has occurred
+ *
+ * This routine (which may be called from an interrupt context) works
+ * in similiar manner to ir_raw_event_store_edge.
+ * This routine is intended for devices with limited internal buffer
+ * It automerges samples of same type, and handles timeouts
+ */
+int ir_raw_event_store_with_filter(struct input_dev *input_dev,
+						struct ir_raw_event *ev)
+{
+	struct ir_input_dev *ir = input_get_drvdata(input_dev);
+	struct ir_raw_event_ctrl *raw = ir->raw;
+
+	if (!raw || !ir->props)
+		return -EINVAL;
+
+	/* Ignore spaces in idle mode */
+	if (ir->idle && !ev->pulse)
+		return 0;
+	else if (ir->idle)
+		ir_raw_event_set_idle(input_dev, 0);
+
+	if (!raw->this_ev.duration) {
+		raw->this_ev = *ev;
+	} else if (ev->pulse == raw->this_ev.pulse) {
+		raw->this_ev.duration += ev->duration;
+	} else {
+		ir_raw_event_store(input_dev, &raw->this_ev);
+		raw->this_ev = *ev;
+	}
+
+	/* Enter idle mode if nessesary */
+	if (!ev->pulse && ir->props->timeout &&
+		raw->this_ev.duration >= ir->props->timeout)
+		ir_raw_event_set_idle(input_dev, 1);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(ir_raw_event_store_with_filter);
+
+void ir_raw_event_set_idle(struct input_dev *input_dev, int idle)
+{
+	struct ir_input_dev *ir = input_get_drvdata(input_dev);
+	struct ir_raw_event_ctrl *raw = ir->raw;
+	ktime_t now;
+	u64 delta;
+
+	if (!ir->props)
+		return;
+
+	if (!ir->raw)
+		goto out;
+
+	if (idle) {
+		IR_dprintk(2, "enter idle mode\n");
+		raw->last_event = ktime_get();
+	} else {
+		IR_dprintk(2, "exit idle mode\n");
+
+		now = ktime_get();
+		delta = ktime_to_ns(ktime_sub(now, ir->raw->last_event));
+
+		WARN_ON(raw->this_ev.pulse);
+
+		raw->this_ev.duration =
+			min(raw->this_ev.duration + delta,
+						(u64)IR_MAX_DURATION);
+
+		ir_raw_event_store(input_dev, &raw->this_ev);
+
+		if (raw->this_ev.duration == IR_MAX_DURATION)
+			ir_raw_event_reset(input_dev);
+
+		raw->this_ev.duration = 0;
+	}
+out:
+	if (ir->props->s_idle)
+		ir->props->s_idle(ir->props->priv, idle);
+	ir->idle = idle;
+}
+EXPORT_SYMBOL_GPL(ir_raw_event_set_idle);
+
+/**
  * ir_raw_event_handle() - schedules the decoding of stored ir data
  * @input_dev:	the struct input_dev device descriptor
  *
@@ -138,7 +236,7 @@ void ir_raw_event_handle(struct input_dev *input_dev)
 	if (!ir->raw)
 		return;
 
-	schedule_work(&ir->raw->rx_work);
+	wake_up_process(ir->raw->thread);
 }
 EXPORT_SYMBOL_GPL(ir_raw_event_handle);
 
@@ -147,9 +245,9 @@ u64
 ir_raw_get_allowed_protocols()
 {
 	u64 protocols;
-	spin_lock(&ir_raw_handler_lock);
+	mutex_lock(&ir_raw_handler_lock);
 	protocols = available_protocols;
-	spin_unlock(&ir_raw_handler_lock);
+	mutex_unlock(&ir_raw_handler_lock);
 	return protocols;
 }
 
@@ -167,7 +265,7 @@ int ir_raw_event_register(struct input_dev *input_dev)
 		return -ENOMEM;
 
 	ir->raw->input_dev = input_dev;
-	INIT_WORK(&ir->raw->rx_work, ir_raw_event_work);
+
 	ir->raw->enabled_protocols = ~0;
 	rc = kfifo_alloc(&ir->raw->kfifo, sizeof(s64) * MAX_IR_EVENT_SIZE,
 			 GFP_KERNEL);
@@ -177,12 +275,21 @@ int ir_raw_event_register(struct input_dev *input_dev)
 		return rc;
 	}
 
-	spin_lock(&ir_raw_handler_lock);
+	ir->raw->thread = kthread_run(ir_raw_event_thread, ir->raw,
+			"rc%u",  (unsigned int)ir->devno);
+
+	if (IS_ERR(ir->raw->thread)) {
+		kfree(ir->raw);
+		ir->raw = NULL;
+		return PTR_ERR(ir->raw->thread);
+	}
+
+	mutex_lock(&ir_raw_handler_lock);
 	list_add_tail(&ir->raw->list, &ir_raw_client_list);
 	list_for_each_entry(handler, &ir_raw_handler_list, list)
 		if (handler->raw_register)
 			handler->raw_register(ir->raw->input_dev);
-	spin_unlock(&ir_raw_handler_lock);
+	mutex_unlock(&ir_raw_handler_lock);
 
 	return 0;
 }
@@ -195,14 +302,14 @@ void ir_raw_event_unregister(struct input_dev *input_dev)
 	if (!ir->raw)
 		return;
 
-	cancel_work_sync(&ir->raw->rx_work);
+	kthread_stop(ir->raw->thread);
 
-	spin_lock(&ir_raw_handler_lock);
+	mutex_lock(&ir_raw_handler_lock);
 	list_del(&ir->raw->list);
 	list_for_each_entry(handler, &ir_raw_handler_list, list)
 		if (handler->raw_unregister)
 			handler->raw_unregister(ir->raw->input_dev);
-	spin_unlock(&ir_raw_handler_lock);
+	mutex_unlock(&ir_raw_handler_lock);
 
 	kfifo_free(&ir->raw->kfifo);
 	kfree(ir->raw);
@@ -217,13 +324,13 @@ int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler)
 {
 	struct ir_raw_event_ctrl *raw;
 
-	spin_lock(&ir_raw_handler_lock);
+	mutex_lock(&ir_raw_handler_lock);
 	list_add_tail(&ir_raw_handler->list, &ir_raw_handler_list);
 	if (ir_raw_handler->raw_register)
 		list_for_each_entry(raw, &ir_raw_client_list, list)
 			ir_raw_handler->raw_register(raw->input_dev);
 	available_protocols |= ir_raw_handler->protocols;
-	spin_unlock(&ir_raw_handler_lock);
+	mutex_unlock(&ir_raw_handler_lock);
 
 	return 0;
 }
@@ -233,13 +340,13 @@ void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler)
 {
 	struct ir_raw_event_ctrl *raw;
 
-	spin_lock(&ir_raw_handler_lock);
+	mutex_lock(&ir_raw_handler_lock);
 	list_del(&ir_raw_handler->list);
 	if (ir_raw_handler->raw_unregister)
 		list_for_each_entry(raw, &ir_raw_client_list, list)
 			ir_raw_handler->raw_unregister(raw->input_dev);
 	available_protocols &= ~ir_raw_handler->protocols;
-	spin_unlock(&ir_raw_handler_lock);
+	mutex_unlock(&ir_raw_handler_lock);
 }
 EXPORT_SYMBOL(ir_raw_handler_unregister);
 
diff --git a/drivers/media/IR/ir-sysfs.c b/drivers/media/IR/ir-sysfs.c
index 6273047e915b..96dafc425c8e 100644
--- a/drivers/media/IR/ir-sysfs.c
+++ b/drivers/media/IR/ir-sysfs.c
@@ -325,6 +325,7 @@ static int __init ir_core_init(void)
 
 	/* Initialize/load the decoders/keymap code that will be used */
 	ir_raw_init();
+	ir_rcmap_init();
 
 	return 0;
 }
@@ -332,6 +333,7 @@ static int __init ir_core_init(void)
 static void __exit ir_core_exit(void)
 {
 	class_unregister(&ir_input_class);
+	ir_rcmap_cleanup();
 }
 
 module_init(ir_core_init);
diff --git a/drivers/media/IR/keymaps/Makefile b/drivers/media/IR/keymaps/Makefile
index cbee06243b51..950e5d953c6f 100644
--- a/drivers/media/IR/keymaps/Makefile
+++ b/drivers/media/IR/keymaps/Makefile
@@ -19,7 +19,6 @@ obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \
 			rc-dm1105-nec.o \
 			rc-dntv-live-dvb-t.o \
 			rc-dntv-live-dvbt-pro.o \
-			rc-empty.o \
 			rc-em-terratec.o \
 			rc-encore-enltv2.o \
 			rc-encore-enltv.o \
@@ -59,6 +58,7 @@ obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \
 			rc-purpletv.o \
 			rc-pv951.o \
 			rc-rc5-hauppauge-new.o \
+			rc-rc5-streamzap.o \
 			rc-rc5-tv.o \
 			rc-rc6-mce.o \
 			rc-real-audio-220-32-keys.o \
diff --git a/drivers/media/IR/keymaps/rc-empty.c b/drivers/media/IR/keymaps/rc-empty.c
deleted file mode 100644
index 3b338d84b476..000000000000
--- a/drivers/media/IR/keymaps/rc-empty.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/* empty.h - Keytable for empty Remote Controller
- *
- * keymap imported from ir-keymaps.c
- *
- * Copyright (c) 2010 by Mauro Carvalho Chehab <mchehab@redhat.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <media/rc-map.h>
-
-/* empty keytable, can be used as placeholder for not-yet created keytables */
-
-static struct ir_scancode empty[] = {
-	{ 0x2a, KEY_COFFEE },
-};
-
-static struct rc_keymap empty_map = {
-	.map = {
-		.scan    = empty,
-		.size    = ARRAY_SIZE(empty),
-		.ir_type = IR_TYPE_UNKNOWN,	/* Legacy IR type */
-		.name    = RC_MAP_EMPTY,
-	}
-};
-
-static int __init init_rc_map_empty(void)
-{
-	return ir_register_map(&empty_map);
-}
-
-static void __exit exit_rc_map_empty(void)
-{
-	ir_unregister_map(&empty_map);
-}
-
-module_init(init_rc_map_empty)
-module_exit(exit_rc_map_empty)
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
diff --git a/drivers/media/IR/keymaps/rc-rc5-streamzap.c b/drivers/media/IR/keymaps/rc-rc5-streamzap.c
new file mode 100644
index 000000000000..4c19c58b46d8
--- /dev/null
+++ b/drivers/media/IR/keymaps/rc-rc5-streamzap.c
@@ -0,0 +1,81 @@
+/* rc-rc5-streamzap.c - Keytable for Streamzap PC Remote, for use
+ * with the Streamzap PC Remote IR Receiver.
+ *
+ * Copyright (c) 2010 by Jarod Wilson <jarod@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <media/rc-map.h>
+
+static struct ir_scancode rc5_streamzap[] = {
+/*
+ * FIXME: The Streamzap remote isn't actually true RC-5, it has an extra
+ * bit in it, which presently throws the in-kernel RC-5 decoder for a loop.
+ * We either have to enhance the decoder to support it, add a new decoder,
+ * or just rely on lirc userspace decoding.
+ */
+	{ 0x00, KEY_NUMERIC_0 },
+	{ 0x01, KEY_NUMERIC_1 },
+	{ 0x02, KEY_NUMERIC_2 },
+	{ 0x03, KEY_NUMERIC_3 },
+	{ 0x04, KEY_NUMERIC_4 },
+	{ 0x05, KEY_NUMERIC_5 },
+	{ 0x06, KEY_NUMERIC_6 },
+	{ 0x07, KEY_NUMERIC_7 },
+	{ 0x08, KEY_NUMERIC_8 },
+	{ 0x0a, KEY_POWER },
+	{ 0x0b, KEY_MUTE },
+	{ 0x0c, KEY_CHANNELUP },
+	{ 0x0d, KEY_VOLUMEUP },
+	{ 0x0e, KEY_CHANNELDOWN },
+	{ 0x0f, KEY_VOLUMEDOWN },
+	{ 0x10, KEY_UP },
+	{ 0x11, KEY_LEFT },
+	{ 0x12, KEY_OK },
+	{ 0x13, KEY_RIGHT },
+	{ 0x14, KEY_DOWN },
+	{ 0x15, KEY_MENU },
+	{ 0x16, KEY_EXIT },
+	{ 0x17, KEY_PLAY },
+	{ 0x18, KEY_PAUSE },
+	{ 0x19, KEY_STOP },
+	{ 0x1a, KEY_BACK },
+	{ 0x1b, KEY_FORWARD },
+	{ 0x1c, KEY_RECORD },
+	{ 0x1d, KEY_REWIND },
+	{ 0x1e, KEY_FASTFORWARD },
+	{ 0x20, KEY_RED },
+	{ 0x21, KEY_GREEN },
+	{ 0x22, KEY_YELLOW },
+	{ 0x23, KEY_BLUE },
+
+};
+
+static struct rc_keymap rc5_streamzap_map = {
+	.map = {
+		.scan    = rc5_streamzap,
+		.size    = ARRAY_SIZE(rc5_streamzap),
+		.ir_type = IR_TYPE_RC5,
+		.name    = RC_MAP_RC5_STREAMZAP,
+	}
+};
+
+static int __init init_rc_map_rc5_streamzap(void)
+{
+	return ir_register_map(&rc5_streamzap_map);
+}
+
+static void __exit exit_rc_map_rc5_streamzap(void)
+{
+	ir_unregister_map(&rc5_streamzap_map);
+}
+
+module_init(init_rc_map_rc5_streamzap)
+module_exit(exit_rc_map_rc5_streamzap)
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>");
diff --git a/drivers/media/IR/keymaps/rc-rc6-mce.c b/drivers/media/IR/keymaps/rc-rc6-mce.c
index c6726a8039be..64264f7f838f 100644
--- a/drivers/media/IR/keymaps/rc-rc6-mce.c
+++ b/drivers/media/IR/keymaps/rc-rc6-mce.c
@@ -74,6 +74,8 @@ static struct ir_scancode rc6_mce[] = {
 	{ 0x800f045a, KEY_SUBTITLE }, /* Caption/Teletext */
 	{ 0x800f044d, KEY_TITLE },
 
+       { 0x800f044e, KEY_PRINT }, /* Print - HP OEM version of remote */
+
 	{ 0x800f040c, KEY_POWER },
 	{ 0x800f040d, KEY_PROG1 }, /* Windows MCE button */
 
diff --git a/drivers/media/IR/mceusb.c b/drivers/media/IR/mceusb.c
index 78bf7f77a1a0..ac6bb2c01a48 100644
--- a/drivers/media/IR/mceusb.c
+++ b/drivers/media/IR/mceusb.c
@@ -228,7 +228,6 @@ static struct usb_device_id std_tx_mask_list[] = {
 /* data structure for each usb transceiver */
 struct mceusb_dev {
 	/* ir-core bits */
-	struct ir_input_dev *irdev;
 	struct ir_dev_props *props;
 	struct ir_raw_event rawir;
 
@@ -428,7 +427,7 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf,
 	}
 }
 
-static void usb_async_callback(struct urb *urb, struct pt_regs *regs)
+static void mce_async_callback(struct urb *urb, struct pt_regs *regs)
 {
 	struct mceusb_dev *ir;
 	int len;
@@ -477,7 +476,7 @@ static void mce_request_packet(struct mceusb_dev *ir,
 		/* outbound data */
 		usb_fill_int_urb(async_urb, ir->usbdev,
 			usb_sndintpipe(ir->usbdev, ep->bEndpointAddress),
-			async_buf, size, (usb_complete_t) usb_async_callback,
+			async_buf, size, (usb_complete_t)mce_async_callback,
 			ir, ep->bInterval);
 		memcpy(async_buf, data, size);
 
@@ -739,7 +738,7 @@ static void mceusb_dev_recv(struct urb *urb, struct pt_regs *regs)
 
 	if (ir->send_flags == RECV_FLAG_IN_PROGRESS) {
 		ir->send_flags = SEND_FLAG_COMPLETE;
-		dev_dbg(&ir->irdev->dev, "setup answer received %d bytes\n",
+		dev_dbg(ir->dev, "setup answer received %d bytes\n",
 			buf_len);
 	}
 
@@ -861,7 +860,6 @@ static struct input_dev *mceusb_init_input_dev(struct mceusb_dev *ir)
 {
 	struct input_dev *idev;
 	struct ir_dev_props *props;
-	struct ir_input_dev *irdev;
 	struct device *dev = ir->dev;
 	int ret = -ENODEV;
 
@@ -878,12 +876,6 @@ static struct input_dev *mceusb_init_input_dev(struct mceusb_dev *ir)
 		goto props_alloc_failed;
 	}
 
-	irdev = kzalloc(sizeof(struct ir_input_dev), GFP_KERNEL);
-	if (!irdev) {
-		dev_err(dev, "remote ir input dev allocation failed\n");
-		goto ir_dev_alloc_failed;
-	}
-
 	snprintf(ir->name, sizeof(ir->name), "Media Center Ed. eHome "
 		 "Infrared Remote Transceiver (%04x:%04x)",
 		 le16_to_cpu(ir->usbdev->descriptor.idVendor),
@@ -902,9 +894,6 @@ static struct input_dev *mceusb_init_input_dev(struct mceusb_dev *ir)
 	props->tx_ir = mceusb_tx_ir;
 
 	ir->props = props;
-	ir->irdev = irdev;
-
-	input_set_drvdata(idev, irdev);
 
 	ret = ir_input_register(idev, RC_MAP_RC6_MCE, props, DRIVER_NAME);
 	if (ret < 0) {
@@ -915,8 +904,6 @@ static struct input_dev *mceusb_init_input_dev(struct mceusb_dev *ir)
 	return idev;
 
 irdev_failed:
-	kfree(irdev);
-ir_dev_alloc_failed:
 	kfree(props);
 props_alloc_failed:
 	input_free_device(idev);
@@ -932,7 +919,6 @@ static int __devinit mceusb_dev_probe(struct usb_interface *intf,
 	struct usb_endpoint_descriptor *ep = NULL;
 	struct usb_endpoint_descriptor *ep_in = NULL;
 	struct usb_endpoint_descriptor *ep_out = NULL;
-	struct usb_host_config *config;
 	struct mceusb_dev *ir = NULL;
 	int pipe, maxp, i;
 	char buf[63], name[128] = "";
@@ -942,7 +928,6 @@ static int __devinit mceusb_dev_probe(struct usb_interface *intf,
 
 	dev_dbg(&intf->dev, ": %s called\n", __func__);
 
-	config = dev->actconfig;
 	idesc  = intf->cur_altsetting;
 
 	is_gen3 = usb_match_id(intf, gen3_list) ? 1 : 0;
diff --git a/drivers/media/IR/rc-map.c b/drivers/media/IR/rc-map.c
index 46a8f1524b5b..689143f2fff0 100644
--- a/drivers/media/IR/rc-map.c
+++ b/drivers/media/IR/rc-map.c
@@ -82,3 +82,26 @@ void ir_unregister_map(struct rc_keymap *map)
 }
 EXPORT_SYMBOL_GPL(ir_unregister_map);
 
+
+static struct ir_scancode empty[] = {
+	{ 0x2a, KEY_COFFEE },
+};
+
+static struct rc_keymap empty_map = {
+	.map = {
+		.scan    = empty,
+		.size    = ARRAY_SIZE(empty),
+		.ir_type = IR_TYPE_UNKNOWN,	/* Legacy IR type */
+		.name    = RC_MAP_EMPTY,
+	}
+};
+
+int ir_rcmap_init(void)
+{
+	return ir_register_map(&empty_map);
+}
+
+void ir_rcmap_cleanup(void)
+{
+	ir_unregister_map(&empty_map);
+}
diff --git a/drivers/media/IR/streamzap.c b/drivers/media/IR/streamzap.c
new file mode 100644
index 000000000000..058e29fd478c
--- /dev/null
+++ b/drivers/media/IR/streamzap.c
@@ -0,0 +1,741 @@
+/*
+ * Streamzap Remote Control driver
+ *
+ * Copyright (c) 2005 Christoph Bartelmus <lirc@bartelmus.de>
+ * Copyright (c) 2010 Jarod Wilson <jarod@wilsonet.com>
+ *
+ * This driver was based on the work of Greg Wickham and Adrian
+ * Dewhurst. It was substantially rewritten to support correct signal
+ * gaps and now maintains a delay buffer, which is used to present
+ * consistent timing behaviour to user space applications. Without the
+ * delay buffer an ugly hack would be required in lircd, which can
+ * cause sluggish signal decoding in certain situations.
+ *
+ * Ported to in-kernel ir-core interface by Jarod Wilson
+ *
+ * This driver is based on the USB skeleton driver packaged with the
+ * kernel; copyright (C) 2001-2003 Greg Kroah-Hartman (greg@kroah.com)
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/usb.h>
+#include <linux/input.h>
+#include <media/ir-core.h>
+
+#define DRIVER_VERSION	"1.60"
+#define DRIVER_NAME	"streamzap"
+#define DRIVER_DESC	"Streamzap Remote Control driver"
+
+#ifdef CONFIG_USB_DEBUG
+static int debug = 1;
+#else
+static int debug;
+#endif
+
+#define USB_STREAMZAP_VENDOR_ID		0x0e9c
+#define USB_STREAMZAP_PRODUCT_ID	0x0000
+
+/* table of devices that work with this driver */
+static struct usb_device_id streamzap_table[] = {
+	/* Streamzap Remote Control */
+	{ USB_DEVICE(USB_STREAMZAP_VENDOR_ID, USB_STREAMZAP_PRODUCT_ID) },
+	/* Terminating entry */
+	{ }
+};
+
+MODULE_DEVICE_TABLE(usb, streamzap_table);
+
+#define STREAMZAP_PULSE_MASK 0xf0
+#define STREAMZAP_SPACE_MASK 0x0f
+#define STREAMZAP_TIMEOUT    0xff
+#define STREAMZAP_RESOLUTION 256
+
+/* number of samples buffered */
+#define SZ_BUF_LEN 128
+
+enum StreamzapDecoderState {
+	PulseSpace,
+	FullPulse,
+	FullSpace,
+	IgnorePulse
+};
+
+/* structure to hold our device specific stuff */
+struct streamzap_ir {
+
+	/* ir-core */
+	struct ir_dev_props *props;
+	struct ir_raw_event rawir;
+
+	/* core device info */
+	struct device *dev;
+	struct input_dev *idev;
+
+	/* usb */
+	struct usb_device	*usbdev;
+	struct usb_interface	*interface;
+	struct usb_endpoint_descriptor *endpoint;
+	struct urb		*urb_in;
+
+	/* buffer & dma */
+	unsigned char		*buf_in;
+	dma_addr_t		dma_in;
+	unsigned int		buf_in_len;
+
+	/* timer used to support delay buffering */
+	struct timer_list	delay_timer;
+	bool			timer_running;
+	spinlock_t		timer_lock;
+	struct timer_list	flush_timer;
+	bool			flush;
+
+	/* delay buffer */
+	struct kfifo fifo;
+	bool fifo_initialized;
+
+	/* track what state we're in */
+	enum StreamzapDecoderState decoder_state;
+	/* tracks whether we are currently receiving some signal */
+	bool			idle;
+	/* sum of signal lengths received since signal start */
+	unsigned long		sum;
+	/* start time of signal; necessary for gap tracking */
+	struct timeval		signal_last;
+	struct timeval		signal_start;
+	/* bool			timeout_enabled; */
+
+	char			name[128];
+	char			phys[64];
+};
+
+
+/* local function prototypes */
+static int streamzap_probe(struct usb_interface *interface,
+			   const struct usb_device_id *id);
+static void streamzap_disconnect(struct usb_interface *interface);
+static void streamzap_callback(struct urb *urb);
+static int streamzap_suspend(struct usb_interface *intf, pm_message_t message);
+static int streamzap_resume(struct usb_interface *intf);
+
+/* usb specific object needed to register this driver with the usb subsystem */
+static struct usb_driver streamzap_driver = {
+	.name =		DRIVER_NAME,
+	.probe =	streamzap_probe,
+	.disconnect =	streamzap_disconnect,
+	.suspend =	streamzap_suspend,
+	.resume =	streamzap_resume,
+	.id_table =	streamzap_table,
+};
+
+static void streamzap_stop_timer(struct streamzap_ir *sz)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&sz->timer_lock, flags);
+	if (sz->timer_running) {
+		sz->timer_running = false;
+		spin_unlock_irqrestore(&sz->timer_lock, flags);
+		del_timer_sync(&sz->delay_timer);
+	} else {
+		spin_unlock_irqrestore(&sz->timer_lock, flags);
+	}
+}
+
+static void streamzap_flush_timeout(unsigned long arg)
+{
+	struct streamzap_ir *sz = (struct streamzap_ir *)arg;
+
+	dev_info(sz->dev, "%s: callback firing\n", __func__);
+
+	/* finally start accepting data */
+	sz->flush = false;
+}
+
+static void streamzap_delay_timeout(unsigned long arg)
+{
+	struct streamzap_ir *sz = (struct streamzap_ir *)arg;
+	struct ir_raw_event rawir = { .pulse = false, .duration = 0 };
+	unsigned long flags;
+	int len, ret;
+	static unsigned long delay;
+	bool wake = false;
+
+	/* deliver data every 10 ms */
+	delay = msecs_to_jiffies(10);
+
+	spin_lock_irqsave(&sz->timer_lock, flags);
+
+	if (kfifo_len(&sz->fifo) > 0) {
+		ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir));
+		if (ret != sizeof(rawir))
+			dev_err(sz->dev, "Problem w/kfifo_out...\n");
+		ir_raw_event_store(sz->idev, &rawir);
+		wake = true;
+	}
+
+	len = kfifo_len(&sz->fifo);
+	if (len > 0) {
+		while ((len < SZ_BUF_LEN / 2) &&
+		       (len < SZ_BUF_LEN * sizeof(int))) {
+			ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir));
+			if (ret != sizeof(rawir))
+				dev_err(sz->dev, "Problem w/kfifo_out...\n");
+			ir_raw_event_store(sz->idev, &rawir);
+			wake = true;
+			len = kfifo_len(&sz->fifo);
+		}
+		if (sz->timer_running)
+			mod_timer(&sz->delay_timer, jiffies + delay);
+
+	} else {
+		sz->timer_running = false;
+	}
+
+	if (wake)
+		ir_raw_event_handle(sz->idev);
+
+	spin_unlock_irqrestore(&sz->timer_lock, flags);
+}
+
+static void streamzap_flush_delay_buffer(struct streamzap_ir *sz)
+{
+	struct ir_raw_event rawir = { .pulse = false, .duration = 0 };
+	bool wake = false;
+	int ret;
+
+	while (kfifo_len(&sz->fifo) > 0) {
+		ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir));
+		if (ret != sizeof(rawir))
+			dev_err(sz->dev, "Problem w/kfifo_out...\n");
+		ir_raw_event_store(sz->idev, &rawir);
+		wake = true;
+	}
+
+	if (wake)
+		ir_raw_event_handle(sz->idev);
+}
+
+static void sz_push(struct streamzap_ir *sz)
+{
+	struct ir_raw_event rawir = { .pulse = false, .duration = 0 };
+	unsigned long flags;
+	int ret;
+
+	spin_lock_irqsave(&sz->timer_lock, flags);
+	if (kfifo_len(&sz->fifo) >= sizeof(int) * SZ_BUF_LEN) {
+		ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir));
+		if (ret != sizeof(rawir))
+			dev_err(sz->dev, "Problem w/kfifo_out...\n");
+		ir_raw_event_store(sz->idev, &rawir);
+	}
+
+	kfifo_in(&sz->fifo, &sz->rawir, sizeof(rawir));
+
+	if (!sz->timer_running) {
+		sz->delay_timer.expires = jiffies + (HZ / 10);
+		add_timer(&sz->delay_timer);
+		sz->timer_running = true;
+	}
+
+	spin_unlock_irqrestore(&sz->timer_lock, flags);
+}
+
+static void sz_push_full_pulse(struct streamzap_ir *sz,
+			       unsigned char value)
+{
+	if (sz->idle) {
+		long deltv;
+
+		sz->signal_last = sz->signal_start;
+		do_gettimeofday(&sz->signal_start);
+
+		deltv = sz->signal_start.tv_sec - sz->signal_last.tv_sec;
+		sz->rawir.pulse = false;
+		if (deltv > 15) {
+			/* really long time */
+			sz->rawir.duration = IR_MAX_DURATION;
+		} else {
+			sz->rawir.duration = (int)(deltv * 1000000 +
+				sz->signal_start.tv_usec -
+				sz->signal_last.tv_usec);
+			sz->rawir.duration -= sz->sum;
+			sz->rawir.duration *= 1000;
+			sz->rawir.duration &= IR_MAX_DURATION;
+		}
+		dev_dbg(sz->dev, "ls %u\n", sz->rawir.duration);
+		sz_push(sz);
+
+		sz->idle = 0;
+		sz->sum = 0;
+	}
+
+	sz->rawir.pulse = true;
+	sz->rawir.duration = ((int) value) * STREAMZAP_RESOLUTION;
+	sz->rawir.duration += STREAMZAP_RESOLUTION / 2;
+	sz->sum += sz->rawir.duration;
+	sz->rawir.duration *= 1000;
+	sz->rawir.duration &= IR_MAX_DURATION;
+	dev_dbg(sz->dev, "p %u\n", sz->rawir.duration);
+	sz_push(sz);
+}
+
+static void sz_push_half_pulse(struct streamzap_ir *sz,
+			       unsigned char value)
+{
+	sz_push_full_pulse(sz, (value & STREAMZAP_PULSE_MASK) >> 4);
+}
+
+static void sz_push_full_space(struct streamzap_ir *sz,
+			       unsigned char value)
+{
+	sz->rawir.pulse = false;
+	sz->rawir.duration = ((int) value) * STREAMZAP_RESOLUTION;
+	sz->rawir.duration += STREAMZAP_RESOLUTION / 2;
+	sz->sum += sz->rawir.duration;
+	sz->rawir.duration *= 1000;
+	dev_dbg(sz->dev, "s %u\n", sz->rawir.duration);
+	sz_push(sz);
+}
+
+static void sz_push_half_space(struct streamzap_ir *sz,
+			       unsigned long value)
+{
+	sz_push_full_space(sz, value & STREAMZAP_SPACE_MASK);
+}
+
+/**
+ * streamzap_callback - usb IRQ handler callback
+ *
+ * This procedure is invoked on reception of data from
+ * the usb remote.
+ */
+static void streamzap_callback(struct urb *urb)
+{
+	struct streamzap_ir *sz;
+	unsigned int i;
+	int len;
+	#if 0
+	static int timeout = (((STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION) &
+				IR_MAX_DURATION) | 0x03000000);
+	#endif
+
+	if (!urb)
+		return;
+
+	sz = urb->context;
+	len = urb->actual_length;
+
+	switch (urb->status) {
+	case -ECONNRESET:
+	case -ENOENT:
+	case -ESHUTDOWN:
+		/*
+		 * this urb is terminated, clean up.
+		 * sz might already be invalid at this point
+		 */
+		dev_err(sz->dev, "urb terminated, status: %d\n", urb->status);
+		return;
+	default:
+		break;
+	}
+
+	dev_dbg(sz->dev, "%s: received urb, len %d\n", __func__, len);
+	if (!sz->flush) {
+		for (i = 0; i < urb->actual_length; i++) {
+			dev_dbg(sz->dev, "%d: %x\n", i,
+				(unsigned char)sz->buf_in[i]);
+			switch (sz->decoder_state) {
+			case PulseSpace:
+				if ((sz->buf_in[i] & STREAMZAP_PULSE_MASK) ==
+				    STREAMZAP_PULSE_MASK) {
+					sz->decoder_state = FullPulse;
+					continue;
+				} else if ((sz->buf_in[i] & STREAMZAP_SPACE_MASK)
+					   == STREAMZAP_SPACE_MASK) {
+					sz_push_half_pulse(sz, sz->buf_in[i]);
+					sz->decoder_state = FullSpace;
+					continue;
+				} else {
+					sz_push_half_pulse(sz, sz->buf_in[i]);
+					sz_push_half_space(sz, sz->buf_in[i]);
+				}
+				break;
+			case FullPulse:
+				sz_push_full_pulse(sz, sz->buf_in[i]);
+				sz->decoder_state = IgnorePulse;
+				break;
+			case FullSpace:
+				if (sz->buf_in[i] == STREAMZAP_TIMEOUT) {
+					sz->idle = 1;
+					streamzap_stop_timer(sz);
+					#if 0
+					if (sz->timeout_enabled) {
+						sz->rawir.pulse = false;
+						sz->rawir.duration = timeout;
+						sz->rawir.duration *= 1000;
+						sz_push(sz);
+					}
+					#endif
+					streamzap_flush_delay_buffer(sz);
+				} else
+					sz_push_full_space(sz, sz->buf_in[i]);
+				sz->decoder_state = PulseSpace;
+				break;
+			case IgnorePulse:
+				if ((sz->buf_in[i]&STREAMZAP_SPACE_MASK) ==
+				    STREAMZAP_SPACE_MASK) {
+					sz->decoder_state = FullSpace;
+					continue;
+				}
+				sz_push_half_space(sz, sz->buf_in[i]);
+				sz->decoder_state = PulseSpace;
+				break;
+			}
+		}
+	}
+
+	usb_submit_urb(urb, GFP_ATOMIC);
+
+	return;
+}
+
+static struct input_dev *streamzap_init_input_dev(struct streamzap_ir *sz)
+{
+	struct input_dev *idev;
+	struct ir_dev_props *props;
+	struct device *dev = sz->dev;
+	int ret;
+
+	idev = input_allocate_device();
+	if (!idev) {
+		dev_err(dev, "remote input dev allocation failed\n");
+		goto idev_alloc_failed;
+	}
+
+	props = kzalloc(sizeof(struct ir_dev_props), GFP_KERNEL);
+	if (!props) {
+		dev_err(dev, "remote ir dev props allocation failed\n");
+		goto props_alloc_failed;
+	}
+
+	snprintf(sz->name, sizeof(sz->name), "Streamzap PC Remote Infrared "
+		 "Receiver (%04x:%04x)",
+		 le16_to_cpu(sz->usbdev->descriptor.idVendor),
+		 le16_to_cpu(sz->usbdev->descriptor.idProduct));
+
+	idev->name = sz->name;
+	usb_make_path(sz->usbdev, sz->phys, sizeof(sz->phys));
+	strlcat(sz->phys, "/input0", sizeof(sz->phys));
+	idev->phys = sz->phys;
+
+	props->priv = sz;
+	props->driver_type = RC_DRIVER_IR_RAW;
+	/* FIXME: not sure about supported protocols, check on this */
+	props->allowed_protos = IR_TYPE_RC5 | IR_TYPE_RC6;
+
+	sz->props = props;
+
+	ret = ir_input_register(idev, RC_MAP_RC5_STREAMZAP, props, DRIVER_NAME);
+	if (ret < 0) {
+		dev_err(dev, "remote input device register failed\n");
+		goto irdev_failed;
+	}
+
+	return idev;
+
+irdev_failed:
+	kfree(props);
+props_alloc_failed:
+	input_free_device(idev);
+idev_alloc_failed:
+	return NULL;
+}
+
+static int streamzap_delay_buf_init(struct streamzap_ir *sz)
+{
+	int ret;
+
+	ret = kfifo_alloc(&sz->fifo, sizeof(int) * SZ_BUF_LEN,
+			  GFP_KERNEL);
+	if (ret == 0)
+		sz->fifo_initialized = 1;
+
+	return ret;
+}
+
+static void streamzap_start_flush_timer(struct streamzap_ir *sz)
+{
+	sz->flush_timer.expires = jiffies + HZ;
+	sz->flush = true;
+	add_timer(&sz->flush_timer);
+
+	sz->urb_in->dev = sz->usbdev;
+	if (usb_submit_urb(sz->urb_in, GFP_ATOMIC))
+		dev_err(sz->dev, "urb submit failed\n");
+}
+
+/**
+ *	streamzap_probe
+ *
+ *	Called by usb-core to associated with a candidate device
+ *	On any failure the return value is the ERROR
+ *	On success return 0
+ */
+static int __devinit streamzap_probe(struct usb_interface *intf,
+				     const struct usb_device_id *id)
+{
+	struct usb_device *usbdev = interface_to_usbdev(intf);
+	struct usb_host_interface *iface_host;
+	struct streamzap_ir *sz = NULL;
+	char buf[63], name[128] = "";
+	int retval = -ENOMEM;
+	int pipe, maxp;
+
+	/* Allocate space for device driver specific data */
+	sz = kzalloc(sizeof(struct streamzap_ir), GFP_KERNEL);
+	if (!sz)
+		return -ENOMEM;
+
+	sz->usbdev = usbdev;
+	sz->interface = intf;
+
+	/* Check to ensure endpoint information matches requirements */
+	iface_host = intf->cur_altsetting;
+
+	if (iface_host->desc.bNumEndpoints != 1) {
+		dev_err(&intf->dev, "%s: Unexpected desc.bNumEndpoints (%d)\n",
+			__func__, iface_host->desc.bNumEndpoints);
+		retval = -ENODEV;
+		goto free_sz;
+	}
+
+	sz->endpoint = &(iface_host->endpoint[0].desc);
+	if ((sz->endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
+	    != USB_DIR_IN) {
+		dev_err(&intf->dev, "%s: endpoint doesn't match input device "
+			"02%02x\n", __func__, sz->endpoint->bEndpointAddress);
+		retval = -ENODEV;
+		goto free_sz;
+	}
+
+	if ((sz->endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
+	    != USB_ENDPOINT_XFER_INT) {
+		dev_err(&intf->dev, "%s: endpoint attributes don't match xfer "
+			"02%02x\n", __func__, sz->endpoint->bmAttributes);
+		retval = -ENODEV;
+		goto free_sz;
+	}
+
+	pipe = usb_rcvintpipe(usbdev, sz->endpoint->bEndpointAddress);
+	maxp = usb_maxpacket(usbdev, pipe, usb_pipeout(pipe));
+
+	if (maxp == 0) {
+		dev_err(&intf->dev, "%s: endpoint Max Packet Size is 0!?!\n",
+			__func__);
+		retval = -ENODEV;
+		goto free_sz;
+	}
+
+	/* Allocate the USB buffer and IRQ URB */
+	sz->buf_in = usb_alloc_coherent(usbdev, maxp, GFP_ATOMIC, &sz->dma_in);
+	if (!sz->buf_in)
+		goto free_sz;
+
+	sz->urb_in = usb_alloc_urb(0, GFP_KERNEL);
+	if (!sz->urb_in)
+		goto free_buf_in;
+
+	sz->dev = &intf->dev;
+	sz->buf_in_len = maxp;
+
+	if (usbdev->descriptor.iManufacturer
+	    && usb_string(usbdev, usbdev->descriptor.iManufacturer,
+			  buf, sizeof(buf)) > 0)
+		strlcpy(name, buf, sizeof(name));
+
+	if (usbdev->descriptor.iProduct
+	    && usb_string(usbdev, usbdev->descriptor.iProduct,
+			  buf, sizeof(buf)) > 0)
+		snprintf(name + strlen(name), sizeof(name) - strlen(name),
+			 " %s", buf);
+
+	retval = streamzap_delay_buf_init(sz);
+	if (retval) {
+		dev_err(&intf->dev, "%s: delay buffer init failed\n", __func__);
+		goto free_urb_in;
+	}
+
+	sz->idev = streamzap_init_input_dev(sz);
+	if (!sz->idev)
+		goto input_dev_fail;
+
+	sz->idle = true;
+	sz->decoder_state = PulseSpace;
+	#if 0
+	/* not yet supported, depends on patches from maxim */
+	/* see also: LIRC_GET_REC_RESOLUTION and LIRC_SET_REC_TIMEOUT */
+	sz->timeout_enabled = false;
+	sz->min_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION * 1000;
+	sz->max_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION * 1000;
+	#endif
+
+	init_timer(&sz->delay_timer);
+	sz->delay_timer.function = streamzap_delay_timeout;
+	sz->delay_timer.data = (unsigned long)sz;
+	spin_lock_init(&sz->timer_lock);
+
+	init_timer(&sz->flush_timer);
+	sz->flush_timer.function = streamzap_flush_timeout;
+	sz->flush_timer.data = (unsigned long)sz;
+
+	do_gettimeofday(&sz->signal_start);
+
+	/* Complete final initialisations */
+	usb_fill_int_urb(sz->urb_in, usbdev, pipe, sz->buf_in,
+			 maxp, (usb_complete_t)streamzap_callback,
+			 sz, sz->endpoint->bInterval);
+	sz->urb_in->transfer_dma = sz->dma_in;
+	sz->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+	usb_set_intfdata(intf, sz);
+
+	streamzap_start_flush_timer(sz);
+
+	dev_info(sz->dev, "Registered %s on usb%d:%d\n", name,
+		 usbdev->bus->busnum, usbdev->devnum);
+
+	return 0;
+
+input_dev_fail:
+	kfifo_free(&sz->fifo);
+free_urb_in:
+	usb_free_urb(sz->urb_in);
+free_buf_in:
+	usb_free_coherent(usbdev, maxp, sz->buf_in, sz->dma_in);
+free_sz:
+	kfree(sz);
+
+	return retval;
+}
+
+/**
+ * streamzap_disconnect
+ *
+ * Called by the usb core when the device is removed from the system.
+ *
+ * This routine guarantees that the driver will not submit any more urbs
+ * by clearing dev->usbdev.  It is also supposed to terminate any currently
+ * active urbs.  Unfortunately, usb_bulk_msg(), used in streamzap_read(),
+ * does not provide any way to do this.
+ */
+static void streamzap_disconnect(struct usb_interface *interface)
+{
+	struct streamzap_ir *sz = usb_get_intfdata(interface);
+	struct usb_device *usbdev = interface_to_usbdev(interface);
+
+	usb_set_intfdata(interface, NULL);
+
+	if (!sz)
+		return;
+
+	if (sz->flush) {
+		sz->flush = false;
+		del_timer_sync(&sz->flush_timer);
+	}
+
+	streamzap_stop_timer(sz);
+
+	sz->usbdev = NULL;
+	ir_input_unregister(sz->idev);
+	usb_kill_urb(sz->urb_in);
+	usb_free_urb(sz->urb_in);
+	usb_free_coherent(usbdev, sz->buf_in_len, sz->buf_in, sz->dma_in);
+
+	kfree(sz);
+}
+
+static int streamzap_suspend(struct usb_interface *intf, pm_message_t message)
+{
+	struct streamzap_ir *sz = usb_get_intfdata(intf);
+
+	if (sz->flush) {
+		sz->flush = false;
+		del_timer_sync(&sz->flush_timer);
+	}
+
+	streamzap_stop_timer(sz);
+
+	usb_kill_urb(sz->urb_in);
+
+	return 0;
+}
+
+static int streamzap_resume(struct usb_interface *intf)
+{
+	struct streamzap_ir *sz = usb_get_intfdata(intf);
+
+	if (sz->fifo_initialized)
+		kfifo_reset(&sz->fifo);
+
+	sz->flush_timer.expires = jiffies + HZ;
+	sz->flush = true;
+	add_timer(&sz->flush_timer);
+
+	if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) {
+		dev_err(sz->dev, "Error sumbiting urb\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+/**
+ *	streamzap_init
+ */
+static int __init streamzap_init(void)
+{
+	int ret;
+
+	/* register this driver with the USB subsystem */
+	ret = usb_register(&streamzap_driver);
+	if (ret < 0)
+		printk(KERN_ERR DRIVER_NAME ": usb register failed, "
+		       "result = %d\n", ret);
+
+	return ret;
+}
+
+/**
+ *	streamzap_exit
+ */
+static void __exit streamzap_exit(void)
+{
+	usb_deregister(&streamzap_driver);
+}
+
+
+module_init(streamzap_init);
+module_exit(streamzap_exit);
+
+MODULE_AUTHOR("Jarod Wilson <jarod@wilsonet.com>");
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
+
+module_param(debug, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "Enable debugging messages");