[media] lirc_serial: move out of staging and rename to serial_ir

Signed-off-by: Sean Young <sean@mess.org>

3 files changed, 0 insertions, 858 deletions

diff --git a/drivers/staging/media/lirc/Kconfig b/drivers/staging/media/lirc/Kconfig
index 6879c4651b46..25b7e7ccf554 100644
--- a/drivers/staging/media/lirc/Kconfig
+++ b/drivers/staging/media/lirc/Kconfig
@@ -38,19 +38,6 @@ config LIRC_SASEM
 	help
 	  Driver for the Sasem OnAir Remocon-V or Dign HV5 HTPC IR/VFD Module
 
-config LIRC_SERIAL
-	tristate "Homebrew Serial Port Receiver"
-	depends on LIRC
-	help
-	  Driver for Homebrew Serial Port Receivers
-
-config LIRC_SERIAL_TRANSMITTER
-	bool "Serial Port Transmitter"
-	default y
-	depends on LIRC_SERIAL
-	help
-	  Serial Port Transmitter support
-
 config LIRC_SIR
 	tristate "Built-in SIR IrDA port"
 	depends on LIRC
diff --git a/drivers/staging/media/lirc/Makefile b/drivers/staging/media/lirc/Makefile
index 5430adf0475d..7f919eab1989 100644
--- a/drivers/staging/media/lirc/Makefile
+++ b/drivers/staging/media/lirc/Makefile
@@ -7,6 +7,5 @@ obj-$(CONFIG_LIRC_BT829)	+= lirc_bt829.o
 obj-$(CONFIG_LIRC_IMON)		+= lirc_imon.o
 obj-$(CONFIG_LIRC_PARALLEL)	+= lirc_parallel.o
 obj-$(CONFIG_LIRC_SASEM)	+= lirc_sasem.o
-obj-$(CONFIG_LIRC_SERIAL)	+= lirc_serial.o
 obj-$(CONFIG_LIRC_SIR)		+= lirc_sir.o
 obj-$(CONFIG_LIRC_ZILOG)	+= lirc_zilog.o
diff --git a/drivers/staging/media/lirc/lirc_serial.c b/drivers/staging/media/lirc/lirc_serial.c
deleted file mode 100644
index 9691ba4d55b9..000000000000
--- a/drivers/staging/media/lirc/lirc_serial.c
+++ /dev/null
@@ -1,844 +0,0 @@
-/*
- * lirc_serial.c
- *
- * lirc_serial - Device driver that records pulse- and pause-lengths
- *	       (space-lengths) between DDCD event on a serial port.
- *
- * Copyright (C) 1996,97 Ralph Metzler <rjkm@thp.uni-koeln.de>
- * Copyright (C) 1998 Trent Piepho <xyzzy@u.washington.edu>
- * Copyright (C) 1998 Ben Pfaff <blp@gnu.org>
- * Copyright (C) 1999 Christoph Bartelmus <lirc@bartelmus.de>
- * Copyright (C) 2007 Andrei Tanas <andrei@tanas.ca> (suspend/resume support)
- * Copyright (C) 2016 Sean Young <sean@mess.org> (port to rc-core)
- *  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.
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/serial_reg.h>
-#include <linux/types.h>
-#include <linux/delay.h>
-#include <linux/platform_device.h>
-#include <linux/spinlock.h>
-#include <media/rc-core.h>
-
-struct serial_ir_hw {
-	int signal_pin;
-	int signal_pin_change;
-	u8 on;
-	u8 off;
-	unsigned set_send_carrier:1;
-	unsigned set_duty_cycle:1;
-	void (*send_pulse)(unsigned int length, ktime_t edge);
-	void (*send_space)(void);
-	spinlock_t lock;
-};
-
-#define IR_HOMEBREW	0
-#define IR_IRDEO	1
-#define IR_IRDEO_REMOTE	2
-#define IR_ANIMAX	3
-#define IR_IGOR		4
-
-/* module parameters */
-static int type;
-static int io;
-static int irq;
-static bool iommap;
-static int ioshift;
-static bool softcarrier = true;
-static bool share_irq;
-static int sense = -1;	/* -1 = auto, 0 = active high, 1 = active low */
-static bool txsense;	/* 0 = active high, 1 = active low */
-
-/* forward declarations */
-static void send_pulse_irdeo(unsigned int length, ktime_t edge);
-static void send_space_irdeo(void);
-#ifdef CONFIG_IR_SERIAL_TRANSMITTER
-static void send_pulse_homebrew(unsigned int length, ktime_t edge);
-static void send_space_homebrew(void);
-#endif
-
-static struct serial_ir_hw hardware[] = {
-	[IR_HOMEBREW] = {
-		.lock = __SPIN_LOCK_UNLOCKED(hardware[IR_HOMEBREW].lock),
-		.signal_pin	   = UART_MSR_DCD,
-		.signal_pin_change = UART_MSR_DDCD,
-		.on  = (UART_MCR_RTS | UART_MCR_OUT2 | UART_MCR_DTR),
-		.off = (UART_MCR_RTS | UART_MCR_OUT2),
-#ifdef CONFIG_IR_SERIAL_TRANSMITTER
-		.send_pulse = send_pulse_homebrew,
-		.send_space = send_space_homebrew,
-		.set_send_carrier = true,
-		.set_duty_cycle = true,
-#endif
-	},
-
-	[IR_IRDEO] = {
-		.lock = __SPIN_LOCK_UNLOCKED(hardware[IR_IRDEO].lock),
-		.signal_pin	   = UART_MSR_DSR,
-		.signal_pin_change = UART_MSR_DDSR,
-		.on  = UART_MCR_OUT2,
-		.off = (UART_MCR_RTS | UART_MCR_DTR | UART_MCR_OUT2),
-		.send_pulse = send_pulse_irdeo,
-		.send_space = send_space_irdeo,
-		.set_duty_cycle = true,
-	},
-
-	[IR_IRDEO_REMOTE] = {
-		.lock = __SPIN_LOCK_UNLOCKED(hardware[IR_IRDEO_REMOTE].lock),
-		.signal_pin	   = UART_MSR_DSR,
-		.signal_pin_change = UART_MSR_DDSR,
-		.on  = (UART_MCR_RTS | UART_MCR_DTR | UART_MCR_OUT2),
-		.off = (UART_MCR_RTS | UART_MCR_DTR | UART_MCR_OUT2),
-		.send_pulse = send_pulse_irdeo,
-		.send_space = send_space_irdeo,
-		.set_duty_cycle = true,
-	},
-
-	[IR_ANIMAX] = {
-		.lock = __SPIN_LOCK_UNLOCKED(hardware[IR_ANIMAX].lock),
-		.signal_pin	   = UART_MSR_DCD,
-		.signal_pin_change = UART_MSR_DDCD,
-		.on  = 0,
-		.off = (UART_MCR_RTS | UART_MCR_DTR | UART_MCR_OUT2),
-	},
-
-	[IR_IGOR] = {
-		.lock = __SPIN_LOCK_UNLOCKED(hardware[IR_IGOR].lock),
-		.signal_pin	   = UART_MSR_DSR,
-		.signal_pin_change = UART_MSR_DDSR,
-		.on  = (UART_MCR_RTS | UART_MCR_OUT2 | UART_MCR_DTR),
-		.off = (UART_MCR_RTS | UART_MCR_OUT2),
-#ifdef CONFIG_IR_SERIAL_TRANSMITTER
-		.send_pulse = send_pulse_homebrew,
-		.send_space = send_space_homebrew,
-		.set_send_carrier = true,
-		.set_duty_cycle = true,
-#endif
-	},
-};
-
-#define RS_ISR_PASS_LIMIT 256
-
-struct serial_ir {
-	ktime_t lastkt;
-	struct rc_dev *rcdev;
-	struct platform_device *pdev;
-
-	unsigned int freq;
-	unsigned int duty_cycle;
-
-	unsigned int pulse_width, space_width;
-};
-
-static struct serial_ir serial_ir;
-
-/* fetch serial input packet (1 byte) from register offset */
-static u8 sinp(int offset)
-{
-	if (iommap)
-		/* the register is memory-mapped */
-		offset <<= ioshift;
-
-	return inb(io + offset);
-}
-
-/* write serial output packet (1 byte) of value to register offset */
-static void soutp(int offset, u8 value)
-{
-	if (iommap)
-		/* the register is memory-mapped */
-		offset <<= ioshift;
-
-	outb(value, io + offset);
-}
-
-static void on(void)
-{
-	if (txsense)
-		soutp(UART_MCR, hardware[type].off);
-	else
-		soutp(UART_MCR, hardware[type].on);
-}
-
-static void off(void)
-{
-	if (txsense)
-		soutp(UART_MCR, hardware[type].on);
-	else
-		soutp(UART_MCR, hardware[type].off);
-}
-
-static void init_timing_params(unsigned int new_duty_cycle,
-			       unsigned int new_freq)
-{
-	serial_ir.duty_cycle = new_duty_cycle;
-	serial_ir.freq = new_freq;
-
-	serial_ir.pulse_width = DIV_ROUND_CLOSEST(
-		new_duty_cycle * NSEC_PER_SEC, new_freq * 100l);
-	serial_ir.space_width = DIV_ROUND_CLOSEST(
-		(100l - new_duty_cycle) * NSEC_PER_SEC, new_freq * 100l);
-}
-
-static void send_pulse_irdeo(unsigned int length, ktime_t target)
-{
-	long rawbits;
-	int i;
-	unsigned char output;
-	unsigned char chunk, shifted;
-
-	/* how many bits have to be sent ? */
-	rawbits = length * 1152 / 10000;
-	if (serial_ir.duty_cycle > 50)
-		chunk = 3;
-	else
-		chunk = 1;
-	for (i = 0, output = 0x7f; rawbits > 0; rawbits -= 3) {
-		shifted = chunk << (i * 3);
-		shifted >>= 1;
-		output &= (~shifted);
-		i++;
-		if (i == 3) {
-			soutp(UART_TX, output);
-			while (!(sinp(UART_LSR) & UART_LSR_THRE))
-				;
-			output = 0x7f;
-			i = 0;
-		}
-	}
-	if (i != 0) {
-		soutp(UART_TX, output);
-		while (!(sinp(UART_LSR) & UART_LSR_TEMT))
-			;
-	}
-}
-
-static void send_space_irdeo(void)
-{
-}
-
-#ifdef CONFIG_IR_SERIAL_TRANSMITTER
-static void send_pulse_homebrew_softcarrier(unsigned int length, ktime_t edge)
-{
-	ktime_t now, target = ktime_add_us(edge, length);
-	/*
-	 * delta should never exceed 4 seconds and on m68k
-	 * ndelay(s64) does not compile; so use s32 rather than s64.
-	 */
-	s32 delta;
-
-	for (;;) {
-		now = ktime_get();
-		if (ktime_compare(now, target) >= 0)
-			break;
-		on();
-		edge = ktime_add_ns(edge, serial_ir.pulse_width);
-		delta = ktime_to_ns(ktime_sub(edge, now));
-		if (delta > 0)
-			ndelay(delta);
-		now = ktime_get();
-		off();
-		if (ktime_compare(now, target) >= 0)
-			break;
-		edge = ktime_add_ns(edge, serial_ir.space_width);
-		delta = ktime_to_ns(ktime_sub(edge, now));
-		if (delta > 0)
-			ndelay(delta);
-	}
-}
-
-static void send_pulse_homebrew(unsigned int length, ktime_t edge)
-{
-	if (softcarrier)
-		send_pulse_homebrew_softcarrier(length, edge);
-	else
-		on();
-}
-
-static void send_space_homebrew(void)
-{
-	off();
-}
-#endif
-
-static void frbwrite(unsigned int l, bool is_pulse)
-{
-	/* simple noise filter */
-	static unsigned int ptr, pulse, space;
-	DEFINE_IR_RAW_EVENT(ev);
-
-	if (ptr > 0 && is_pulse) {
-		pulse += l;
-		if (pulse > 250000) {
-			ev.duration = space;
-			ev.pulse = false;
-			ir_raw_event_store_with_filter(serial_ir.rcdev, &ev);
-			ev.duration = pulse;
-			ev.pulse = true;
-			ir_raw_event_store_with_filter(serial_ir.rcdev, &ev);
-			ptr = 0;
-			pulse = 0;
-		}
-		return;
-	}
-	if (!is_pulse) {
-		if (ptr == 0) {
-			if (l > 20000000) {
-				space = l;
-				ptr++;
-				return;
-			}
-		} else {
-			if (l > 20000000) {
-				space += pulse;
-				if (space > IR_MAX_DURATION)
-					space = IR_MAX_DURATION;
-				space += l;
-				if (space > IR_MAX_DURATION)
-					space = IR_MAX_DURATION;
-				pulse = 0;
-				return;
-			}
-
-			ev.duration = space;
-			ev.pulse = false;
-			ir_raw_event_store_with_filter(serial_ir.rcdev, &ev);
-			ev.duration = pulse;
-			ev.pulse = true;
-			ir_raw_event_store_with_filter(serial_ir.rcdev, &ev);
-			ptr = 0;
-			pulse = 0;
-		}
-	}
-
-	ev.duration = l;
-	ev.pulse = is_pulse;
-	ir_raw_event_store_with_filter(serial_ir.rcdev, &ev);
-}
-
-static irqreturn_t serial_ir_irq_handler(int i, void *blah)
-{
-	ktime_t kt;
-	int counter, dcd;
-	u8 status;
-	ktime_t delkt;
-	unsigned int data;
-	static int last_dcd = -1;
-
-	if ((sinp(UART_IIR) & UART_IIR_NO_INT)) {
-		/* not our interrupt */
-		return IRQ_NONE;
-	}
-
-	counter = 0;
-	do {
-		counter++;
-		status = sinp(UART_MSR);
-		if (counter > RS_ISR_PASS_LIMIT) {
-			dev_err(&serial_ir.pdev->dev, "Trapped in interrupt");
-			break;
-		}
-		if ((status & hardware[type].signal_pin_change) &&
-		    sense != -1) {
-			/* get current time */
-			kt = ktime_get();
-
-			/*
-			 * The driver needs to know if your receiver is
-			 * active high or active low, or the space/pulse
-			 * sense could be inverted.
-			 */
-
-			/* calc time since last interrupt in nanoseconds */
-			dcd = (status & hardware[type].signal_pin) ? 1 : 0;
-
-			if (dcd == last_dcd) {
-				dev_err(&serial_ir.pdev->dev,
-					"ignoring spike: %d %d %lldns %lldns\n",
-					dcd, sense, ktime_to_ns(kt),
-					ktime_to_ns(serial_ir.lastkt));
-				continue;
-			}
-
-			delkt = ktime_sub(kt, serial_ir.lastkt);
-			if (ktime_compare(delkt, ktime_set(15, 0)) > 0) {
-				data = IR_MAX_DURATION; /* really long time */
-				if (!(dcd ^ sense)) {
-					/* sanity check */
-					dev_err(&serial_ir.pdev->dev,
-						"dcd unexpected: %d %d %lldns %lldns\n",
-						dcd, sense, ktime_to_ns(kt),
-						ktime_to_ns(serial_ir.lastkt));
-					/*
-					 * detecting pulse while this
-					 * MUST be a space!
-					 */
-					sense = sense ? 0 : 1;
-				}
-			} else {
-				data = ktime_to_ns(delkt);
-			}
-			frbwrite(data, !(dcd ^ sense));
-			serial_ir.lastkt = kt;
-			last_dcd = dcd;
-			ir_raw_event_handle(serial_ir.rcdev);
-		}
-	} while (!(sinp(UART_IIR) & UART_IIR_NO_INT)); /* still pending ? */
-	return IRQ_HANDLED;
-}
-
-static int hardware_init_port(void)
-{
-	u8 scratch, scratch2, scratch3;
-
-	/*
-	 * This is a simple port existence test, borrowed from the autoconfig
-	 * function in drivers/serial/8250.c
-	 */
-	scratch = sinp(UART_IER);
-	soutp(UART_IER, 0);
-#ifdef __i386__
-	outb(0xff, 0x080);
-#endif
-	scratch2 = sinp(UART_IER) & 0x0f;
-	soutp(UART_IER, 0x0f);
-#ifdef __i386__
-	outb(0x00, 0x080);
-#endif
-	scratch3 = sinp(UART_IER) & 0x0f;
-	soutp(UART_IER, scratch);
-	if (scratch2 != 0 || scratch3 != 0x0f) {
-		/* we fail, there's nothing here */
-		pr_err("port existence test failed, cannot continue\n");
-		return -ENODEV;
-	}
-
-	/* Set DLAB 0. */
-	soutp(UART_LCR, sinp(UART_LCR) & (~UART_LCR_DLAB));
-
-	/* First of all, disable all interrupts */
-	soutp(UART_IER, sinp(UART_IER) &
-	      (~(UART_IER_MSI | UART_IER_RLSI | UART_IER_THRI | UART_IER_RDI)));
-
-	/* Clear registers. */
-	sinp(UART_LSR);
-	sinp(UART_RX);
-	sinp(UART_IIR);
-	sinp(UART_MSR);
-
-	/* Set line for power source */
-	off();
-
-	/* Clear registers again to be sure. */
-	sinp(UART_LSR);
-	sinp(UART_RX);
-	sinp(UART_IIR);
-	sinp(UART_MSR);
-
-	switch (type) {
-	case IR_IRDEO:
-	case IR_IRDEO_REMOTE:
-		/* setup port to 7N1 @ 115200 Baud */
-		/* 7N1+start = 9 bits at 115200 ~ 3 bits at 38kHz */
-
-		/* Set DLAB 1. */
-		soutp(UART_LCR, sinp(UART_LCR) | UART_LCR_DLAB);
-		/* Set divisor to 1 => 115200 Baud */
-		soutp(UART_DLM, 0);
-		soutp(UART_DLL, 1);
-		/* Set DLAB 0 +  7N1 */
-		soutp(UART_LCR, UART_LCR_WLEN7);
-		/* THR interrupt already disabled at this point */
-		break;
-	default:
-		break;
-	}
-
-	return 0;
-}
-
-static int serial_ir_probe(struct platform_device *dev)
-{
-	int i, nlow, nhigh, result;
-
-	result = devm_request_irq(&dev->dev, irq, serial_ir_irq_handler,
-				  share_irq ? IRQF_SHARED : 0,
-				  KBUILD_MODNAME, &hardware);
-	if (result < 0) {
-		if (result == -EBUSY)
-			dev_err(&dev->dev, "IRQ %d busy\n", irq);
-		else if (result == -EINVAL)
-			dev_err(&dev->dev, "Bad irq number or handler\n");
-		return result;
-	}
-
-	/* Reserve io region. */
-	if ((iommap &&
-	     (devm_request_mem_region(&dev->dev, iommap, 8 << ioshift,
-				      KBUILD_MODNAME) == NULL)) ||
-	     (!iommap && (devm_request_region(&dev->dev, io, 8,
-			  KBUILD_MODNAME) == NULL))) {
-		dev_err(&dev->dev, "port %04x already in use\n", io);
-		dev_warn(&dev->dev, "use 'setserial /dev/ttySX uart none'\n");
-		dev_warn(&dev->dev,
-			 "or compile the serial port driver as module and\n");
-		dev_warn(&dev->dev, "make sure this module is loaded first\n");
-		return -EBUSY;
-	}
-
-	result = hardware_init_port();
-	if (result < 0)
-		return result;
-
-	/* Initialize pulse/space widths */
-	init_timing_params(50, 38000);
-
-	/* If pin is high, then this must be an active low receiver. */
-	if (sense == -1) {
-		/* wait 1/2 sec for the power supply */
-		msleep(500);
-
-		/*
-		 * probe 9 times every 0.04s, collect "votes" for
-		 * active high/low
-		 */
-		nlow = 0;
-		nhigh = 0;
-		for (i = 0; i < 9; i++) {
-			if (sinp(UART_MSR) & hardware[type].signal_pin)
-				nlow++;
-			else
-				nhigh++;
-			msleep(40);
-		}
-		sense = nlow >= nhigh ? 1 : 0;
-		dev_info(&dev->dev, "auto-detected active %s receiver\n",
-			 sense ? "low" : "high");
-	} else
-		dev_info(&dev->dev, "Manually using active %s receiver\n",
-			 sense ? "low" : "high");
-
-	dev_dbg(&dev->dev, "Interrupt %d, port %04x obtained\n", irq, io);
-	return 0;
-}
-
-static int serial_ir_open(struct rc_dev *rcdev)
-{
-	unsigned long flags;
-
-	/* initialize timestamp */
-	serial_ir.lastkt = ktime_get();
-
-	spin_lock_irqsave(&hardware[type].lock, flags);
-
-	/* Set DLAB 0. */
-	soutp(UART_LCR, sinp(UART_LCR) & (~UART_LCR_DLAB));
-
-	soutp(UART_IER, sinp(UART_IER) | UART_IER_MSI);
-
-	spin_unlock_irqrestore(&hardware[type].lock, flags);
-
-	return 0;
-}
-
-static void serial_ir_close(struct rc_dev *rcdev)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&hardware[type].lock, flags);
-
-	/* Set DLAB 0. */
-	soutp(UART_LCR, sinp(UART_LCR) & (~UART_LCR_DLAB));
-
-	/* First of all, disable all interrupts */
-	soutp(UART_IER, sinp(UART_IER) &
-	      (~(UART_IER_MSI | UART_IER_RLSI | UART_IER_THRI | UART_IER_RDI)));
-	spin_unlock_irqrestore(&hardware[type].lock, flags);
-}
-
-static int serial_ir_tx(struct rc_dev *dev, unsigned int *txbuf,
-			unsigned int count)
-{
-	unsigned long flags;
-	ktime_t edge;
-	s64 delta;
-	int i;
-
-	spin_lock_irqsave(&hardware[type].lock, flags);
-	if (type == IR_IRDEO) {
-		/* DTR, RTS down */
-		on();
-	}
-
-	edge = ktime_get();
-	for (i = 0; i < count; i++) {
-		if (i % 2)
-			hardware[type].send_space();
-		else
-			hardware[type].send_pulse(txbuf[i], edge);
-
-		edge = ktime_add_us(edge, txbuf[i]);
-		delta = ktime_us_delta(edge, ktime_get());
-		if (delta > 25) {
-			spin_unlock_irqrestore(&hardware[type].lock, flags);
-			usleep_range(delta - 25, delta + 25);
-			spin_lock_irqsave(&hardware[type].lock, flags);
-		} else if (delta > 0) {
-			udelay(delta);
-		}
-	}
-	off();
-	spin_unlock_irqrestore(&hardware[type].lock, flags);
-	return count;
-}
-
-static int serial_ir_tx_duty_cycle(struct rc_dev *dev, u32 cycle)
-{
-	init_timing_params(cycle, serial_ir.freq);
-	return 0;
-}
-
-static int serial_ir_tx_carrier(struct rc_dev *dev, u32 carrier)
-{
-	if (carrier > 500000 || carrier < 20000)
-		return -EINVAL;
-
-	init_timing_params(serial_ir.duty_cycle, carrier);
-	return 0;
-}
-
-static int serial_ir_suspend(struct platform_device *dev,
-			     pm_message_t state)
-{
-	/* Set DLAB 0. */
-	soutp(UART_LCR, sinp(UART_LCR) & (~UART_LCR_DLAB));
-
-	/* Disable all interrupts */
-	soutp(UART_IER, sinp(UART_IER) &
-	      (~(UART_IER_MSI | UART_IER_RLSI | UART_IER_THRI | UART_IER_RDI)));
-
-	/* Clear registers. */
-	sinp(UART_LSR);
-	sinp(UART_RX);
-	sinp(UART_IIR);
-	sinp(UART_MSR);
-
-	return 0;
-}
-
-static int serial_ir_resume(struct platform_device *dev)
-{
-	unsigned long flags;
-	int result;
-
-	result = hardware_init_port();
-	if (result < 0)
-		return result;
-
-	spin_lock_irqsave(&hardware[type].lock, flags);
-	/* Enable Interrupt */
-	serial_ir.lastkt = ktime_get();
-	soutp(UART_IER, sinp(UART_IER) | UART_IER_MSI);
-	off();
-
-	spin_unlock_irqrestore(&hardware[type].lock, flags);
-
-	return 0;
-}
-
-static struct platform_driver serial_ir_driver = {
-	.probe		= serial_ir_probe,
-	.suspend	= serial_ir_suspend,
-	.resume		= serial_ir_resume,
-	.driver		= {
-		.name	= "serial_ir",
-	},
-};
-
-static int __init serial_ir_init(void)
-{
-	int result;
-
-	result = platform_driver_register(&serial_ir_driver);
-	if (result)
-		return result;
-
-	serial_ir.pdev = platform_device_alloc("serial_ir", 0);
-	if (!serial_ir.pdev) {
-		result = -ENOMEM;
-		goto exit_driver_unregister;
-	}
-
-	result = platform_device_add(serial_ir.pdev);
-	if (result)
-		goto exit_device_put;
-
-	return 0;
-
-exit_device_put:
-	platform_device_put(serial_ir.pdev);
-exit_driver_unregister:
-	platform_driver_unregister(&serial_ir_driver);
-	return result;
-}
-
-static void serial_ir_exit(void)
-{
-	platform_device_unregister(serial_ir.pdev);
-	platform_driver_unregister(&serial_ir_driver);
-}
-
-static int __init serial_ir_init_module(void)
-{
-	struct rc_dev *rcdev;
-	int result;
-
-	switch (type) {
-	case IR_HOMEBREW:
-	case IR_IRDEO:
-	case IR_IRDEO_REMOTE:
-	case IR_ANIMAX:
-	case IR_IGOR:
-		/* if nothing specified, use ttyS0/com1 and irq 4 */
-		io = io ? io : 0x3f8;
-		irq = irq ? irq : 4;
-		break;
-	default:
-		return -EINVAL;
-	}
-	if (!softcarrier) {
-		switch (type) {
-		case IR_HOMEBREW:
-		case IR_IGOR:
-			hardware[type].set_send_carrier = false;
-			hardware[type].set_duty_cycle = false;
-			break;
-		}
-	}
-
-	/* make sure sense is either -1, 0, or 1 */
-	if (sense != -1)
-		sense = !!sense;
-
-	result = serial_ir_init();
-	if (result)
-		return result;
-
-	rcdev = devm_rc_allocate_device(&serial_ir.pdev->dev);
-	if (!rcdev) {
-		result = -ENOMEM;
-		goto serial_cleanup;
-	}
-
-	if (hardware[type].send_pulse && hardware[type].send_space)
-		rcdev->tx_ir = serial_ir_tx;
-	if (hardware[type].set_send_carrier)
-		rcdev->s_tx_carrier = serial_ir_tx_carrier;
-	if (hardware[type].set_duty_cycle)
-		rcdev->s_tx_duty_cycle = serial_ir_tx_duty_cycle;
-
-	switch (type) {
-	case IR_HOMEBREW:
-		rcdev->input_name = "Serial IR type home-brew";
-		break;
-	case IR_IRDEO:
-		rcdev->input_name = "Serial IR type IRdeo";
-		break;
-	case IR_IRDEO_REMOTE:
-		rcdev->input_name = "Serial IR type IRdeo remote";
-		break;
-	case IR_ANIMAX:
-		rcdev->input_name = "Serial IR type AnimaX";
-		break;
-	case IR_IGOR:
-		rcdev->input_name = "Serial IR type IgorPlug";
-		break;
-	}
-
-	rcdev->input_phys = KBUILD_MODNAME "/input0";
-	rcdev->input_id.bustype = BUS_HOST;
-	rcdev->input_id.vendor = 0x0001;
-	rcdev->input_id.product = 0x0001;
-	rcdev->input_id.version = 0x0100;
-	rcdev->open = serial_ir_open;
-	rcdev->close = serial_ir_close;
-	rcdev->dev.parent = &serial_ir.pdev->dev;
-	rcdev->driver_type = RC_DRIVER_IR_RAW;
-	rcdev->allowed_protocols = RC_BIT_ALL;
-	rcdev->driver_name = KBUILD_MODNAME;
-	rcdev->map_name = RC_MAP_RC6_MCE;
-	rcdev->timeout = IR_DEFAULT_TIMEOUT;
-	rcdev->rx_resolution = 250000;
-
-	serial_ir.rcdev = rcdev;
-
-	result = rc_register_device(rcdev);
-
-	if (!result)
-		return 0;
-serial_cleanup:
-	serial_ir_exit();
-	return result;
-}
-
-static void __exit serial_ir_exit_module(void)
-{
-	rc_unregister_device(serial_ir.rcdev);
-	serial_ir_exit();
-}
-
-module_init(serial_ir_init_module);
-module_exit(serial_ir_exit_module);
-
-MODULE_DESCRIPTION("Infra-red receiver driver for serial ports.");
-MODULE_AUTHOR("Ralph Metzler, Trent Piepho, Ben Pfaff, Christoph Bartelmus, Andrei Tanas");
-MODULE_LICENSE("GPL");
-
-module_param(type, int, 0444);
-MODULE_PARM_DESC(type, "Hardware type (0 = home-brew, 1 = IRdeo, 2 = IRdeo Remote, 3 = AnimaX, 4 = IgorPlug");
-
-module_param(io, int, 0444);
-MODULE_PARM_DESC(io, "I/O address base (0x3f8 or 0x2f8)");
-
-/* some architectures (e.g. intel xscale) have memory mapped registers */
-module_param(iommap, bool, 0444);
-MODULE_PARM_DESC(iommap, "physical base for memory mapped I/O (0 = no memory mapped io)");
-
-/*
- * some architectures (e.g. intel xscale) align the 8bit serial registers
- * on 32bit word boundaries.
- * See linux-kernel/drivers/tty/serial/8250/8250.c serial_in()/out()
- */
-module_param(ioshift, int, 0444);
-MODULE_PARM_DESC(ioshift, "shift I/O register offset (0 = no shift)");
-
-module_param(irq, int, 0444);
-MODULE_PARM_DESC(irq, "Interrupt (4 or 3)");
-
-module_param(share_irq, bool, 0444);
-MODULE_PARM_DESC(share_irq, "Share interrupts (0 = off, 1 = on)");
-
-module_param(sense, int, 0444);
-MODULE_PARM_DESC(sense, "Override autodetection of IR receiver circuit (0 = active high, 1 = active low )");
-
-#ifdef CONFIG_IR_SERIAL_TRANSMITTER
-module_param(txsense, bool, 0444);
-MODULE_PARM_DESC(txsense, "Sense of transmitter circuit (0 = active high, 1 = active low )");
-#endif
-
-module_param(softcarrier, bool, 0444);
-MODULE_PARM_DESC(softcarrier, "Software carrier (0 = off, 1 = on, default on)");