diff options
author | Florian Fainelli <florian@openwrt.org> | 2014-02-28 20:30:08 +0000 |
---|---|---|
committer | Florian Fainelli <florian@openwrt.org> | 2014-02-28 20:30:08 +0000 |
commit | bb39b8d99aae1f7eb13a97bd874838da91080de6 (patch) | |
tree | 3046f53937c0bc5dc13e2b2ab7b688a1932199bf /target/linux/brcm2708/patches-3.10/008-lirc_rpi_driver.patch | |
parent | c6c0d09f85c211560a1405441925681cfa25e8b1 (diff) | |
download | upstream-bb39b8d99aae1f7eb13a97bd874838da91080de6.tar.gz upstream-bb39b8d99aae1f7eb13a97bd874838da91080de6.tar.bz2 upstream-bb39b8d99aae1f7eb13a97bd874838da91080de6.zip |
brcm2708: update against latest rpi-3.10.y branch
Update our copies of the brcm2708 patches to the latest rpi-3.10-y
rebased against linux-3.10.y stable (3.10.32). This should hopefully
make it easier for us in the future to leverage the raspberry/rpi-*
branches.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
SVN-Revision: 39770
Diffstat (limited to 'target/linux/brcm2708/patches-3.10/008-lirc_rpi_driver.patch')
-rw-r--r-- | target/linux/brcm2708/patches-3.10/008-lirc_rpi_driver.patch | 720 |
1 files changed, 0 insertions, 720 deletions
diff --git a/target/linux/brcm2708/patches-3.10/008-lirc_rpi_driver.patch b/target/linux/brcm2708/patches-3.10/008-lirc_rpi_driver.patch deleted file mode 100644 index f1e0b61f8d..0000000000 --- a/target/linux/brcm2708/patches-3.10/008-lirc_rpi_driver.patch +++ /dev/null @@ -1,720 +0,0 @@ ---- a/drivers/staging/media/lirc/Kconfig -+++ b/drivers/staging/media/lirc/Kconfig -@@ -38,6 +38,12 @@ config LIRC_PARALLEL - help - Driver for Homebrew Parallel Port Receivers - -+config LIRC_RPI -+ tristate "Homebrew GPIO Port Receiver/Transmitter for the RaspberryPi" -+ depends on LIRC -+ help -+ Driver for Homebrew GPIO Port Receiver/Transmitter for the RaspberryPi -+ - config LIRC_SASEM - tristate "Sasem USB IR Remote" - depends on LIRC && USB ---- /dev/null -+++ b/drivers/staging/media/lirc/lirc_rpi.c -@@ -0,0 +1,692 @@ -+/* -+ * lirc_rpi.c -+ * -+ * lirc_rpi - Device driver that records pulse- and pause-lengths -+ * (space-lengths) (just like the lirc_serial driver does) -+ * between GPIO interrupt events on the Raspberry Pi. -+ * Lots of code has been taken from the lirc_serial module, -+ * so I would like say thanks to the authors. -+ * -+ * Copyright (C) 2012 Aron Robert Szabo <aron@reon.hu>, -+ * Michael Bishop <cleverca22@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/module.h> -+#include <linux/errno.h> -+#include <linux/interrupt.h> -+#include <linux/sched.h> -+#include <linux/kernel.h> -+#include <linux/time.h> -+#include <linux/string.h> -+#include <linux/delay.h> -+#include <linux/platform_device.h> -+#include <linux/irq.h> -+#include <linux/spinlock.h> -+#include <media/lirc.h> -+#include <media/lirc_dev.h> -+#include <linux/gpio.h> -+ -+#define LIRC_DRIVER_NAME "lirc_rpi" -+#define RBUF_LEN 256 -+#define LIRC_TRANSMITTER_LATENCY 256 -+ -+#ifndef MAX_UDELAY_MS -+#define MAX_UDELAY_US 5000 -+#else -+#define MAX_UDELAY_US (MAX_UDELAY_MS*1000) -+#endif -+ -+#define dprintk(fmt, args...) \ -+ do { \ -+ if (debug) \ -+ printk(KERN_DEBUG LIRC_DRIVER_NAME ": " \ -+ fmt, ## args); \ -+ } while (0) -+ -+/* module parameters */ -+ -+/* set the default GPIO input pin */ -+static int gpio_in_pin = 18; -+/* set the default GPIO output pin */ -+static int gpio_out_pin = 17; -+/* enable debugging messages */ -+static int debug; -+/* -1 = auto, 0 = active high, 1 = active low */ -+static int sense = -1; -+/* use softcarrier by default */ -+static int softcarrier = 1; -+/* 0 = do not invert output, 1 = invert output */ -+static int invert = 0; -+ -+struct gpio_chip *gpiochip; -+struct irq_chip *irqchip; -+struct irq_data *irqdata; -+ -+/* forward declarations */ -+static long send_pulse(unsigned long length); -+static void send_space(long length); -+static void lirc_rpi_exit(void); -+ -+int valid_gpio_pins[] = { 0, 1, 4, 8, 7, 9, 10, 11, 14, 15, 17, 18, 21, 22, 23, -+ 24, 25 }; -+ -+static struct platform_device *lirc_rpi_dev; -+static struct timeval lasttv = { 0, 0 }; -+static struct lirc_buffer rbuf; -+static spinlock_t lock; -+ -+/* initialized/set in init_timing_params() */ -+static unsigned int freq = 38000; -+static unsigned int duty_cycle = 50; -+static unsigned long period; -+static unsigned long pulse_width; -+static unsigned long space_width; -+ -+static void safe_udelay(unsigned long usecs) -+{ -+ while (usecs > MAX_UDELAY_US) { -+ udelay(MAX_UDELAY_US); -+ usecs -= MAX_UDELAY_US; -+ } -+ udelay(usecs); -+} -+ -+static int init_timing_params(unsigned int new_duty_cycle, -+ unsigned int new_freq) -+{ -+ /* -+ * period, pulse/space width are kept with 8 binary places - -+ * IE multiplied by 256. -+ */ -+ if (256 * 1000000L / new_freq * new_duty_cycle / 100 <= -+ LIRC_TRANSMITTER_LATENCY) -+ return -EINVAL; -+ if (256 * 1000000L / new_freq * (100 - new_duty_cycle) / 100 <= -+ LIRC_TRANSMITTER_LATENCY) -+ return -EINVAL; -+ duty_cycle = new_duty_cycle; -+ freq = new_freq; -+ period = 256 * 1000000L / freq; -+ pulse_width = period * duty_cycle / 100; -+ space_width = period - pulse_width; -+ dprintk("in init_timing_params, freq=%d pulse=%ld, " -+ "space=%ld\n", freq, pulse_width, space_width); -+ return 0; -+} -+ -+static long send_pulse_softcarrier(unsigned long length) -+{ -+ int flag; -+ unsigned long actual, target, d; -+ -+ length <<= 8; -+ -+ actual = 0; target = 0; flag = 0; -+ while (actual < length) { -+ if (flag) { -+ gpiochip->set(gpiochip, gpio_out_pin, invert); -+ target += space_width; -+ } else { -+ gpiochip->set(gpiochip, gpio_out_pin, !invert); -+ target += pulse_width; -+ } -+ d = (target - actual - -+ LIRC_TRANSMITTER_LATENCY + 128) >> 8; -+ /* -+ * Note - we've checked in ioctl that the pulse/space -+ * widths are big enough so that d is > 0 -+ */ -+ udelay(d); -+ actual += (d << 8) + LIRC_TRANSMITTER_LATENCY; -+ flag = !flag; -+ } -+ return (actual-length) >> 8; -+} -+ -+static long send_pulse(unsigned long length) -+{ -+ if (length <= 0) -+ return 0; -+ -+ if (softcarrier) { -+ return send_pulse_softcarrier(length); -+ } else { -+ gpiochip->set(gpiochip, gpio_out_pin, !invert); -+ safe_udelay(length); -+ return 0; -+ } -+} -+ -+static void send_space(long length) -+{ -+ gpiochip->set(gpiochip, gpio_out_pin, invert); -+ if (length <= 0) -+ return; -+ safe_udelay(length); -+} -+ -+static void rbwrite(int l) -+{ -+ if (lirc_buffer_full(&rbuf)) { -+ /* no new signals will be accepted */ -+ dprintk("Buffer overrun\n"); -+ return; -+ } -+ lirc_buffer_write(&rbuf, (void *)&l); -+} -+ -+static void frbwrite(int l) -+{ -+ /* simple noise filter */ -+ static int pulse, space; -+ static unsigned int ptr; -+ -+ if (ptr > 0 && (l & PULSE_BIT)) { -+ pulse += l & PULSE_MASK; -+ if (pulse > 250) { -+ rbwrite(space); -+ rbwrite(pulse | PULSE_BIT); -+ ptr = 0; -+ pulse = 0; -+ } -+ return; -+ } -+ if (!(l & PULSE_BIT)) { -+ if (ptr == 0) { -+ if (l > 20000) { -+ space = l; -+ ptr++; -+ return; -+ } -+ } else { -+ if (l > 20000) { -+ space += pulse; -+ if (space > PULSE_MASK) -+ space = PULSE_MASK; -+ space += l; -+ if (space > PULSE_MASK) -+ space = PULSE_MASK; -+ pulse = 0; -+ return; -+ } -+ rbwrite(space); -+ rbwrite(pulse | PULSE_BIT); -+ ptr = 0; -+ pulse = 0; -+ } -+ } -+ rbwrite(l); -+} -+ -+static irqreturn_t irq_handler(int i, void *blah, struct pt_regs *regs) -+{ -+ struct timeval tv; -+ long deltv; -+ int data; -+ int signal; -+ -+ /* use the GPIO signal level */ -+ signal = gpiochip->get(gpiochip, gpio_in_pin); -+ -+ /* unmask the irq */ -+ irqchip->irq_unmask(irqdata); -+ -+ if (sense != -1) { -+ /* get current time */ -+ do_gettimeofday(&tv); -+ -+ /* calc time since last interrupt in microseconds */ -+ deltv = tv.tv_sec-lasttv.tv_sec; -+ if (tv.tv_sec < lasttv.tv_sec || -+ (tv.tv_sec == lasttv.tv_sec && -+ tv.tv_usec < lasttv.tv_usec)) { -+ printk(KERN_WARNING LIRC_DRIVER_NAME -+ ": AIEEEE: your clock just jumped backwards\n"); -+ printk(KERN_WARNING LIRC_DRIVER_NAME -+ ": %d %d %lx %lx %lx %lx\n", signal, sense, -+ tv.tv_sec, lasttv.tv_sec, -+ tv.tv_usec, lasttv.tv_usec); -+ data = PULSE_MASK; -+ } else if (deltv > 15) { -+ data = PULSE_MASK; /* really long time */ -+ if (!(signal^sense)) { -+ /* sanity check */ -+ printk(KERN_WARNING LIRC_DRIVER_NAME -+ ": AIEEEE: %d %d %lx %lx %lx %lx\n", -+ signal, sense, tv.tv_sec, lasttv.tv_sec, -+ tv.tv_usec, lasttv.tv_usec); -+ /* -+ * detecting pulse while this -+ * MUST be a space! -+ */ -+ sense = sense ? 0 : 1; -+ } -+ } else { -+ data = (int) (deltv*1000000 + -+ (tv.tv_usec - lasttv.tv_usec)); -+ } -+ frbwrite(signal^sense ? data : (data|PULSE_BIT)); -+ lasttv = tv; -+ wake_up_interruptible(&rbuf.wait_poll); -+ } -+ -+ return IRQ_HANDLED; -+} -+ -+static int is_right_chip(struct gpio_chip *chip, void *data) -+{ -+ dprintk("is_right_chip %s %d\n", chip->label, strcmp(data, chip->label)); -+ -+ if (strcmp(data, chip->label) == 0) -+ return 1; -+ return 0; -+} -+ -+static int init_port(void) -+{ -+ int i, nlow, nhigh, ret, irq; -+ -+ gpiochip = gpiochip_find("bcm2708_gpio", is_right_chip); -+ -+ if (!gpiochip) -+ return -ENODEV; -+ -+ if (gpio_request(gpio_out_pin, LIRC_DRIVER_NAME " ir/out")) { -+ printk(KERN_ALERT LIRC_DRIVER_NAME -+ ": cant claim gpio pin %d\n", gpio_out_pin); -+ ret = -ENODEV; -+ goto exit_init_port; -+ } -+ -+ if (gpio_request(gpio_in_pin, LIRC_DRIVER_NAME " ir/in")) { -+ printk(KERN_ALERT LIRC_DRIVER_NAME -+ ": cant claim gpio pin %d\n", gpio_in_pin); -+ ret = -ENODEV; -+ goto exit_gpio_free_out_pin; -+ } -+ -+ gpiochip->direction_input(gpiochip, gpio_in_pin); -+ gpiochip->direction_output(gpiochip, gpio_out_pin, 1); -+ gpiochip->set(gpiochip, gpio_out_pin, invert); -+ -+ irq = gpiochip->to_irq(gpiochip, gpio_in_pin); -+ dprintk("to_irq %d\n", irq); -+ irqdata = irq_get_irq_data(irq); -+ -+ if (irqdata && irqdata->chip) { -+ irqchip = irqdata->chip; -+ } else { -+ ret = -ENODEV; -+ goto exit_gpio_free_in_pin; -+ } -+ -+ /* 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 (gpiochip->get(gpiochip, gpio_in_pin)) -+ nlow++; -+ else -+ nhigh++; -+ msleep(40); -+ } -+ sense = (nlow >= nhigh ? 1 : 0); -+ printk(KERN_INFO LIRC_DRIVER_NAME -+ ": auto-detected active %s receiver on GPIO pin %d\n", -+ sense ? "low" : "high", gpio_in_pin); -+ } else { -+ printk(KERN_INFO LIRC_DRIVER_NAME -+ ": manually using active %s receiver on GPIO pin %d\n", -+ sense ? "low" : "high", gpio_in_pin); -+ } -+ -+ return 0; -+ -+ exit_gpio_free_in_pin: -+ gpio_free(gpio_in_pin); -+ -+ exit_gpio_free_out_pin: -+ gpio_free(gpio_out_pin); -+ -+ exit_init_port: -+ return ret; -+} -+ -+// called when the character device is opened -+static int set_use_inc(void *data) -+{ -+ int result; -+ unsigned long flags; -+ -+ /* initialize timestamp */ -+ do_gettimeofday(&lasttv); -+ -+ result = request_irq(gpiochip->to_irq(gpiochip, gpio_in_pin), -+ (irq_handler_t) irq_handler, 0, -+ LIRC_DRIVER_NAME, (void*) 0); -+ -+ switch (result) { -+ case -EBUSY: -+ printk(KERN_ERR LIRC_DRIVER_NAME -+ ": IRQ %d is busy\n", -+ gpiochip->to_irq(gpiochip, gpio_in_pin)); -+ return -EBUSY; -+ case -EINVAL: -+ printk(KERN_ERR LIRC_DRIVER_NAME -+ ": Bad irq number or handler\n"); -+ return -EINVAL; -+ default: -+ dprintk("Interrupt %d obtained\n", -+ gpiochip->to_irq(gpiochip, gpio_in_pin)); -+ break; -+ }; -+ -+ /* initialize pulse/space widths */ -+ init_timing_params(duty_cycle, freq); -+ -+ spin_lock_irqsave(&lock, flags); -+ -+ /* GPIO Pin Falling/Rising Edge Detect Enable */ -+ irqchip->irq_set_type(irqdata, -+ IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING); -+ -+ /* unmask the irq */ -+ irqchip->irq_unmask(irqdata); -+ -+ spin_unlock_irqrestore(&lock, flags); -+ -+ return 0; -+} -+ -+static void set_use_dec(void *data) -+{ -+ unsigned long flags; -+ -+ spin_lock_irqsave(&lock, flags); -+ -+ /* GPIO Pin Falling/Rising Edge Detect Disable */ -+ irqchip->irq_set_type(irqdata, 0); -+ irqchip->irq_mask(irqdata); -+ -+ spin_unlock_irqrestore(&lock, flags); -+ -+ free_irq(gpiochip->to_irq(gpiochip, gpio_in_pin), (void *) 0); -+ -+ dprintk(KERN_INFO LIRC_DRIVER_NAME -+ ": freed IRQ %d\n", gpiochip->to_irq(gpiochip, gpio_in_pin)); -+} -+ -+static ssize_t lirc_write(struct file *file, const char *buf, -+ size_t n, loff_t *ppos) -+{ -+ int i, count; -+ unsigned long flags; -+ long delta = 0; -+ int *wbuf; -+ -+ count = n / sizeof(int); -+ if (n % sizeof(int) || count % 2 == 0) -+ return -EINVAL; -+ wbuf = memdup_user(buf, n); -+ if (IS_ERR(wbuf)) -+ return PTR_ERR(wbuf); -+ spin_lock_irqsave(&lock, flags); -+ -+ for (i = 0; i < count; i++) { -+ if (i%2) -+ send_space(wbuf[i] - delta); -+ else -+ delta = send_pulse(wbuf[i]); -+ } -+ gpiochip->set(gpiochip, gpio_out_pin, invert); -+ -+ spin_unlock_irqrestore(&lock, flags); -+ kfree(wbuf); -+ return n; -+} -+ -+static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) -+{ -+ int result; -+ __u32 value; -+ -+ switch (cmd) { -+ case LIRC_GET_SEND_MODE: -+ return -ENOIOCTLCMD; -+ break; -+ -+ case LIRC_SET_SEND_MODE: -+ result = get_user(value, (__u32 *) arg); -+ if (result) -+ return result; -+ /* only LIRC_MODE_PULSE supported */ -+ if (value != LIRC_MODE_PULSE) -+ return -ENOSYS; -+ break; -+ -+ case LIRC_GET_LENGTH: -+ return -ENOSYS; -+ break; -+ -+ case LIRC_SET_SEND_DUTY_CYCLE: -+ dprintk("SET_SEND_DUTY_CYCLE\n"); -+ result = get_user(value, (__u32 *) arg); -+ if (result) -+ return result; -+ if (value <= 0 || value > 100) -+ return -EINVAL; -+ return init_timing_params(value, freq); -+ break; -+ -+ case LIRC_SET_SEND_CARRIER: -+ dprintk("SET_SEND_CARRIER\n"); -+ result = get_user(value, (__u32 *) arg); -+ if (result) -+ return result; -+ if (value > 500000 || value < 20000) -+ return -EINVAL; -+ return init_timing_params(duty_cycle, value); -+ break; -+ -+ default: -+ return lirc_dev_fop_ioctl(filep, cmd, arg); -+ } -+ return 0; -+} -+ -+static const struct file_operations lirc_fops = { -+ .owner = THIS_MODULE, -+ .write = lirc_write, -+ .unlocked_ioctl = lirc_ioctl, -+ .read = lirc_dev_fop_read, -+ .poll = lirc_dev_fop_poll, -+ .open = lirc_dev_fop_open, -+ .release = lirc_dev_fop_close, -+ .llseek = no_llseek, -+}; -+ -+static struct lirc_driver driver = { -+ .name = LIRC_DRIVER_NAME, -+ .minor = -1, -+ .code_length = 1, -+ .sample_rate = 0, -+ .data = NULL, -+ .add_to_buf = NULL, -+ .rbuf = &rbuf, -+ .set_use_inc = set_use_inc, -+ .set_use_dec = set_use_dec, -+ .fops = &lirc_fops, -+ .dev = NULL, -+ .owner = THIS_MODULE, -+}; -+ -+static struct platform_driver lirc_rpi_driver = { -+ .driver = { -+ .name = LIRC_DRIVER_NAME, -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __init lirc_rpi_init(void) -+{ -+ int result; -+ -+ /* Init read buffer. */ -+ result = lirc_buffer_init(&rbuf, sizeof(int), RBUF_LEN); -+ if (result < 0) -+ return -ENOMEM; -+ -+ result = platform_driver_register(&lirc_rpi_driver); -+ if (result) { -+ printk(KERN_ERR LIRC_DRIVER_NAME -+ ": lirc register returned %d\n", result); -+ goto exit_buffer_free; -+ } -+ -+ lirc_rpi_dev = platform_device_alloc(LIRC_DRIVER_NAME, 0); -+ if (!lirc_rpi_dev) { -+ result = -ENOMEM; -+ goto exit_driver_unregister; -+ } -+ -+ result = platform_device_add(lirc_rpi_dev); -+ if (result) -+ goto exit_device_put; -+ -+ return 0; -+ -+ exit_device_put: -+ platform_device_put(lirc_rpi_dev); -+ -+ exit_driver_unregister: -+ platform_driver_unregister(&lirc_rpi_driver); -+ -+ exit_buffer_free: -+ lirc_buffer_free(&rbuf); -+ -+ return result; -+} -+ -+static void lirc_rpi_exit(void) -+{ -+ gpio_free(gpio_out_pin); -+ gpio_free(gpio_in_pin); -+ platform_device_unregister(lirc_rpi_dev); -+ platform_driver_unregister(&lirc_rpi_driver); -+ lirc_buffer_free(&rbuf); -+} -+ -+static int __init lirc_rpi_init_module(void) -+{ -+ int result, i; -+ -+ result = lirc_rpi_init(); -+ if (result) -+ return result; -+ -+ /* check if the module received valid gpio pin numbers */ -+ result = 0; -+ if (gpio_in_pin != gpio_out_pin) { -+ for(i = 0; (i < ARRAY_SIZE(valid_gpio_pins)) && (result != 2); i++) { -+ if (gpio_in_pin == valid_gpio_pins[i] || -+ gpio_out_pin == valid_gpio_pins[i]) { -+ result++; -+ } -+ } -+ } -+ -+ if (result != 2) { -+ result = -EINVAL; -+ printk(KERN_ERR LIRC_DRIVER_NAME -+ ": invalid GPIO pin(s) specified!\n"); -+ goto exit_rpi; -+ } -+ -+ driver.features = LIRC_CAN_SET_SEND_DUTY_CYCLE | -+ LIRC_CAN_SET_SEND_CARRIER | -+ LIRC_CAN_SEND_PULSE | -+ LIRC_CAN_REC_MODE2; -+ -+ driver.dev = &lirc_rpi_dev->dev; -+ driver.minor = lirc_register_driver(&driver); -+ -+ if (driver.minor < 0) { -+ printk(KERN_ERR LIRC_DRIVER_NAME -+ ": device registration failed with %d\n", result); -+ result = -EIO; -+ goto exit_rpi; -+ } -+ -+ printk(KERN_INFO LIRC_DRIVER_NAME ": driver registered!\n"); -+ -+ result = init_port(); -+ if (result < 0) -+ goto exit_rpi; -+ -+ return 0; -+ -+ exit_rpi: -+ lirc_rpi_exit(); -+ -+ return result; -+} -+ -+static void __exit lirc_rpi_exit_module(void) -+{ -+ lirc_rpi_exit(); -+ -+ lirc_unregister_driver(driver.minor); -+ printk(KERN_INFO LIRC_DRIVER_NAME ": cleaned up module\n"); -+} -+ -+module_init(lirc_rpi_init_module); -+module_exit(lirc_rpi_exit_module); -+ -+MODULE_DESCRIPTION("Infra-red receiver and blaster driver for Raspberry Pi GPIO."); -+MODULE_AUTHOR("Aron Robert Szabo <aron@reon.hu>"); -+MODULE_AUTHOR("Michael Bishop <cleverca22@gmail.com>"); -+MODULE_LICENSE("GPL"); -+ -+module_param(gpio_out_pin, int, S_IRUGO); -+MODULE_PARM_DESC(gpio_out_pin, "GPIO output/transmitter pin number of the BCM" -+ " processor. Valid pin numbers are: 0, 1, 4, 8, 7, 9, 10, 11," -+ " 14, 15, 17, 18, 21, 22, 23, 24, 25, default 17"); -+ -+module_param(gpio_in_pin, int, S_IRUGO); -+MODULE_PARM_DESC(gpio_in_pin, "GPIO input pin number of the BCM processor." -+ " Valid pin numbers are: 0, 1, 4, 8, 7, 9, 10, 11, 14, 15," -+ " 17, 18, 21, 22, 23, 24, 25, default 18"); -+ -+module_param(sense, bool, S_IRUGO); -+MODULE_PARM_DESC(sense, "Override autodetection of IR receiver circuit" -+ " (0 = active high, 1 = active low )"); -+ -+module_param(softcarrier, bool, S_IRUGO); -+MODULE_PARM_DESC(softcarrier, "Software carrier (0 = off, 1 = on, default on)"); -+ -+module_param(invert, bool, S_IRUGO); -+MODULE_PARM_DESC(invert, "Invert output (0 = off, 1 = on, default off"); -+ -+module_param(debug, bool, S_IRUGO | S_IWUSR); -+MODULE_PARM_DESC(debug, "Enable debugging messages"); ---- a/drivers/staging/media/lirc/Makefile -+++ b/drivers/staging/media/lirc/Makefile -@@ -7,6 +7,7 @@ obj-$(CONFIG_LIRC_BT829) += lirc_bt829.o - obj-$(CONFIG_LIRC_IGORPLUGUSB) += lirc_igorplugusb.o - obj-$(CONFIG_LIRC_IMON) += lirc_imon.o - obj-$(CONFIG_LIRC_PARALLEL) += lirc_parallel.o -+obj-$(CONFIG_LIRC_RPI) += lirc_rpi.o - obj-$(CONFIG_LIRC_SASEM) += lirc_sasem.o - obj-$(CONFIG_LIRC_SERIAL) += lirc_serial.o - obj-$(CONFIG_LIRC_SIR) += lirc_sir.o |