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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-04 10:38:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-04 10:38:08 -0700
commitf63b759c44b0561c76a67894c734157df3313b42 (patch)
tree4e9638f6c1aa5c0faa62ad4213282cc7cb39772a /drivers/media/IR
parent4a35cee066df1b1958e25e71595b3845d06b192e (diff)
parent844a9e93d7fcd910cd94f6eb262e2cc43cacbe56 (diff)
Merge branch 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (243 commits) V4L/DVB: sms: Convert IR support to use the Remote Controller core V4L/DVB: sms: properly initialize IR phys and IR name V4L/DVB: standardize names at rc-dib0700 tables V4L/DVB: smsusb: enable IR port for Hauppauge WinTV MiniStick V4L/DVB: dib0700: Fix RC protocol logic to properly handle NEC/NECx and RC-5 V4L/DVB: dib0700: properly implement IR change_protocol V4L/DVB: dib0700: break keytable into NEC and RC-5 variants V4L/DVB: dib0700: avoid bad repeat V4L/DVB: Port dib0700 to rc-core V4L/DVB: Add a keymap file with dib0700 table V4L/DVB: dvb-usb: add support for rc-core mode V4L/DVB: dvb-usb: prepare drivers for using rc-core V4L/DVB: dvb-usb: get rid of struct dvb_usb_rc_key V4L/DVB: rj54n1cb0c: fix a comment in the driver V4L/DVB: V4L2: sh_vou: VOU does support the full PAL resolution too V4L/DVB: V4L2: sh_mobile_camera_ceu: add support for CSI2 V4L/DVB: V4L2: soc-camera: add a MIPI CSI-2 driver for SH-Mobile platforms V4L/DVB: V4L2: soc-camera: export soc-camera bus type for notifications V4L/DVB: V4L2: mediabus: add 12-bit Bayer and YUV420 pixel formats V4L/DVB: mediabus: fix ambiguous pixel code names ...
Diffstat (limited to 'drivers/media/IR')
-rw-r--r--drivers/media/IR/Kconfig35
-rw-r--r--drivers/media/IR/Makefile3
-rw-r--r--drivers/media/IR/imon.c11
-rw-r--r--drivers/media/IR/ir-core-priv.h54
-rw-r--r--drivers/media/IR/ir-jvc-decoder.c152
-rw-r--r--drivers/media/IR/ir-keytable.c5
-rw-r--r--drivers/media/IR/ir-lirc-codec.c278
-rw-r--r--drivers/media/IR/ir-nec-decoder.c151
-rw-r--r--drivers/media/IR/ir-raw-event.c167
-rw-r--r--drivers/media/IR/ir-rc5-decoder.c167
-rw-r--r--drivers/media/IR/ir-rc6-decoder.c153
-rw-r--r--drivers/media/IR/ir-sony-decoder.c155
-rw-r--r--drivers/media/IR/ir-sysfs.c251
-rw-r--r--drivers/media/IR/keymaps/Makefile4
-rw-r--r--drivers/media/IR/keymaps/rc-dib0700-nec.c124
-rw-r--r--drivers/media/IR/keymaps/rc-dib0700-rc5.c235
-rw-r--r--drivers/media/IR/keymaps/rc-lirc.c41
-rw-r--r--drivers/media/IR/keymaps/rc-rc6-mce.c105
-rw-r--r--drivers/media/IR/lirc_dev.c764
-rw-r--r--drivers/media/IR/mceusb.c1143
20 files changed, 3085 insertions, 913 deletions
diff --git a/drivers/media/IR/Kconfig b/drivers/media/IR/Kconfig
index d22a8ec523f..999a8250b3c 100644
--- a/drivers/media/IR/Kconfig
+++ b/drivers/media/IR/Kconfig
@@ -8,6 +8,17 @@ config VIDEO_IR
depends on IR_CORE
default IR_CORE
+config LIRC
+ tristate
+ default y
+
+ ---help---
+ 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
+ encoding for IR transmitting (aka "blasting").
+
source "drivers/media/IR/keymaps/Kconfig"
config IR_NEC_DECODER
@@ -33,6 +44,7 @@ config IR_RC5_DECODER
config IR_RC6_DECODER
tristate "Enable IR raw decoder for the RC6 protocol"
depends on IR_CORE
+ select BITREVERSE
default y
---help---
@@ -42,6 +54,7 @@ config IR_RC6_DECODER
config IR_JVC_DECODER
tristate "Enable IR raw decoder for the JVC protocol"
depends on IR_CORE
+ select BITREVERSE
default y
---help---
@@ -57,6 +70,16 @@ config IR_SONY_DECODER
Enable this option if you have an infrared remote control which
uses the Sony protocol, and you need software decoding support.
+config IR_LIRC_CODEC
+ tristate "Enable IR to LIRC bridge"
+ depends on IR_CORE
+ depends on LIRC
+ default y
+
+ ---help---
+ Enable this option to pass raw IR to and from userspace via
+ the LIRC interface.
+
config IR_IMON
tristate "SoundGraph iMON Receiver and Display"
depends on USB_ARCH_HAS_HCD
@@ -68,3 +91,15 @@ config IR_IMON
To compile this driver as a module, choose M here: the
module will be called imon.
+
+config IR_MCEUSB
+ tristate "Windows Media Center Ed. eHome Infrared Transceiver"
+ depends on USB_ARCH_HAS_HCD
+ depends on IR_CORE
+ select USB
+ ---help---
+ Say Y here if you want to use a Windows Media Center Edition
+ eHome Infrared Transceiver.
+
+ To compile this driver as a module, choose M here: the
+ module will be called mceusb.
diff --git a/drivers/media/IR/Makefile b/drivers/media/IR/Makefile
index b998fcced2e..2ae4f3abfdb 100644
--- a/drivers/media/IR/Makefile
+++ b/drivers/media/IR/Makefile
@@ -5,11 +5,14 @@ obj-y += keymaps/
obj-$(CONFIG_IR_CORE) += ir-core.o
obj-$(CONFIG_VIDEO_IR) += ir-common.o
+obj-$(CONFIG_LIRC) += lirc_dev.o
obj-$(CONFIG_IR_NEC_DECODER) += ir-nec-decoder.o
obj-$(CONFIG_IR_RC5_DECODER) += ir-rc5-decoder.o
obj-$(CONFIG_IR_RC6_DECODER) += ir-rc6-decoder.o
obj-$(CONFIG_IR_JVC_DECODER) += ir-jvc-decoder.o
obj-$(CONFIG_IR_SONY_DECODER) += ir-sony-decoder.o
+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
diff --git a/drivers/media/IR/imon.c b/drivers/media/IR/imon.c
index 4bbd45f4284..65c125e44e9 100644
--- a/drivers/media/IR/imon.c
+++ b/drivers/media/IR/imon.c
@@ -407,7 +407,7 @@ static int display_close(struct inode *inode, struct file *file)
struct imon_context *ictx = NULL;
int retval = 0;
- ictx = (struct imon_context *)file->private_data;
+ ictx = file->private_data;
if (!ictx) {
err("%s: no context for device", __func__);
@@ -812,7 +812,7 @@ static ssize_t vfd_write(struct file *file, const char *buf,
const unsigned char vfd_packet6[] = {
0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF };
- ictx = (struct imon_context *)file->private_data;
+ ictx = file->private_data;
if (!ictx) {
err("%s: no context for device", __func__);
return -ENODEV;
@@ -896,7 +896,7 @@ static ssize_t lcd_write(struct file *file, const char *buf,
int retval = 0;
struct imon_context *ictx;
- ictx = (struct imon_context *)file->private_data;
+ ictx = file->private_data;
if (!ictx) {
err("%s: no context for device", __func__);
return -ENODEV;
@@ -1943,7 +1943,7 @@ static struct imon_context *imon_init_intf0(struct usb_interface *intf)
return ictx;
urb_submit_failed:
- input_unregister_device(ictx->idev);
+ ir_input_unregister(ictx->idev);
input_free_device(ictx->idev);
idev_setup_failed:
find_endpoint_failed:
@@ -2067,6 +2067,7 @@ static void imon_get_ffdc_type(struct imon_context *ictx)
detected_display_type = IMON_DISPLAY_TYPE_VFD;
break;
/* iMON LCD, MCE IR */
+ case 0x9e:
case 0x9f:
dev_info(ictx->dev, "0xffdc iMON LCD, MCE IR");
detected_display_type = IMON_DISPLAY_TYPE_LCD;
@@ -2306,7 +2307,7 @@ static void __devexit imon_disconnect(struct usb_interface *interface)
if (ifnum == 0) {
ictx->dev_present_intf0 = false;
usb_kill_urb(ictx->rx_urb_intf0);
- input_unregister_device(ictx->idev);
+ ir_input_unregister(ictx->idev);
if (ictx->display_supported) {
if (ictx->display_type == IMON_DISPLAY_TYPE_LCD)
usb_deregister_dev(interface, &imon_lcd_class);
diff --git a/drivers/media/IR/ir-core-priv.h b/drivers/media/IR/ir-core-priv.h
index 9a5e65a471a..babd52061bc 100644
--- a/drivers/media/IR/ir-core-priv.h
+++ b/drivers/media/IR/ir-core-priv.h
@@ -22,17 +22,62 @@
struct ir_raw_handler {
struct list_head list;
+ u64 protocols; /* which are handled by this handler */
int (*decode)(struct input_dev *input_dev, struct ir_raw_event event);
+
+ /* These two should only be used by the lirc decoder */
int (*raw_register)(struct input_dev *input_dev);
int (*raw_unregister)(struct input_dev *input_dev);
};
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 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 */
struct input_dev *input_dev; /* pointer to the parent input_dev */
+ u64 enabled_protocols; /* enabled raw protocol decoders */
+
+ /* raw decoder state follows */
+ struct ir_raw_event prev_ev;
+ struct nec_dec {
+ int state;
+ unsigned count;
+ u32 bits;
+ } nec;
+ struct rc5_dec {
+ int state;
+ u32 bits;
+ unsigned count;
+ unsigned wanted_bits;
+ } rc5;
+ struct rc6_dec {
+ int state;
+ u8 header;
+ u32 body;
+ bool toggle;
+ unsigned count;
+ unsigned wanted_bits;
+ } rc6;
+ struct sony_dec {
+ int state;
+ u32 bits;
+ unsigned count;
+ } sony;
+ struct jvc_dec {
+ int state;
+ u16 bits;
+ u16 old_bits;
+ unsigned count;
+ bool first;
+ bool toggle;
+ } jvc;
+ struct lirc_codec {
+ struct ir_input_dev *ir_dev;
+ struct lirc_driver *drv;
+ int lircdata;
+ } lirc;
};
/* macros for IR decoders */
@@ -74,6 +119,7 @@ void ir_unregister_class(struct input_dev *input_dev);
/*
* Routines from ir-raw-event.c to be used internally and by decoders
*/
+u64 ir_raw_get_allowed_protocols(void);
int ir_raw_event_register(struct input_dev *input_dev);
void ir_raw_event_unregister(struct input_dev *input_dev);
int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler);
@@ -123,4 +169,12 @@ void ir_raw_init(void);
#define load_sony_decode() 0
#endif
+/* from ir-lirc-codec.c */
+#ifdef CONFIG_IR_LIRC_CODEC_MODULE
+#define load_lirc_codec() request_module("ir-lirc-codec")
+#else
+#define load_lirc_codec() 0
+#endif
+
+
#endif /* _IR_RAW_EVENT */
diff --git a/drivers/media/IR/ir-jvc-decoder.c b/drivers/media/IR/ir-jvc-decoder.c
index 0b804944cbb..8894d8b3604 100644
--- a/drivers/media/IR/ir-jvc-decoder.c
+++ b/drivers/media/IR/ir-jvc-decoder.c
@@ -25,10 +25,6 @@
#define JVC_TRAILER_PULSE (1 * JVC_UNIT)
#define JVC_TRAILER_SPACE (35 * JVC_UNIT)
-/* Used to register jvc_decoder clients */
-static LIST_HEAD(decoder_list);
-DEFINE_SPINLOCK(decoder_lock);
-
enum jvc_state {
STATE_INACTIVE,
STATE_HEADER_SPACE,
@@ -38,87 +34,6 @@ enum jvc_state {
STATE_TRAILER_SPACE,
};
-struct decoder_data {
- struct list_head list;
- struct ir_input_dev *ir_dev;
- int enabled:1;
-
- /* State machine control */
- enum jvc_state state;
- u16 jvc_bits;
- u16 jvc_old_bits;
- unsigned count;
- bool first;
- bool toggle;
-};
-
-
-/**
- * get_decoder_data() - gets decoder data
- * @input_dev: input device
- *
- * Returns the struct decoder_data that corresponds to a device
- */
-static struct decoder_data *get_decoder_data(struct ir_input_dev *ir_dev)
-{
- struct decoder_data *data = NULL;
-
- spin_lock(&decoder_lock);
- list_for_each_entry(data, &decoder_list, list) {
- if (data->ir_dev == ir_dev)
- break;
- }
- spin_unlock(&decoder_lock);
- return data;
-}
-
-static ssize_t store_enabled(struct device *d,
- struct device_attribute *mattr,
- const char *buf,
- size_t len)
-{
- unsigned long value;
- struct ir_input_dev *ir_dev = dev_get_drvdata(d);
- struct decoder_data *data = get_decoder_data(ir_dev);
-
- if (!data)
- return -EINVAL;
-
- if (strict_strtoul(buf, 10, &value) || value > 1)
- return -EINVAL;
-
- data->enabled = value;
-
- return len;
-}
-
-static ssize_t show_enabled(struct device *d,
- struct device_attribute *mattr, char *buf)
-{
- struct ir_input_dev *ir_dev = dev_get_drvdata(d);
- struct decoder_data *data = get_decoder_data(ir_dev);
-
- if (!data)
- return -EINVAL;
-
- if (data->enabled)
- return sprintf(buf, "1\n");
- else
- return sprintf(buf, "0\n");
-}
-
-static DEVICE_ATTR(enabled, S_IRUGO | S_IWUSR, show_enabled, store_enabled);
-
-static struct attribute *decoder_attributes[] = {
- &dev_attr_enabled.attr,
- NULL
-};
-
-static struct attribute_group decoder_attribute_group = {
- .name = "jvc_decoder",
- .attrs = decoder_attributes,
-};
-
/**
* ir_jvc_decode() - Decode one JVC pulse or space
* @input_dev: the struct input_dev descriptor of the device
@@ -128,14 +43,10 @@ static struct attribute_group decoder_attribute_group = {
*/
static int ir_jvc_decode(struct input_dev *input_dev, struct ir_raw_event ev)
{
- struct decoder_data *data;
struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
+ struct jvc_dec *data = &ir_dev->raw->jvc;
- data = get_decoder_data(ir_dev);
- if (!data)
- return -EINVAL;
-
- if (!data->enabled)
+ if (!(ir_dev->raw->enabled_protocols & IR_TYPE_JVC))
return 0;
if (IS_RESET(ev)) {
@@ -188,9 +99,9 @@ static int ir_jvc_decode(struct input_dev *input_dev, struct ir_raw_event ev)
if (ev.pulse)
break;
- data->jvc_bits <<= 1;
+ data->bits <<= 1;
if (eq_margin(ev.duration, JVC_BIT_1_SPACE, JVC_UNIT / 2)) {
- data->jvc_bits |= 1;
+ data->bits |= 1;
decrease_duration(&ev, JVC_BIT_1_SPACE);
} else if (eq_margin(ev.duration, JVC_BIT_0_SPACE, JVC_UNIT / 2))
decrease_duration(&ev, JVC_BIT_0_SPACE);
@@ -223,13 +134,13 @@ static int ir_jvc_decode(struct input_dev *input_dev, struct ir_raw_event ev)
if (data->first) {
u32 scancode;
- scancode = (bitrev8((data->jvc_bits >> 8) & 0xff) << 8) |
- (bitrev8((data->jvc_bits >> 0) & 0xff) << 0);
+ scancode = (bitrev8((data->bits >> 8) & 0xff) << 8) |
+ (bitrev8((data->bits >> 0) & 0xff) << 0);
IR_dprintk(1, "JVC scancode 0x%04x\n", scancode);
ir_keydown(input_dev, scancode, data->toggle);
data->first = false;
- data->jvc_old_bits = data->jvc_bits;
- } else if (data->jvc_bits == data->jvc_old_bits) {
+ data->old_bits = data->bits;
+ } else if (data->bits == data->old_bits) {
IR_dprintk(1, "JVC repeat\n");
ir_repeat(input_dev);
} else {
@@ -249,54 +160,9 @@ out:
return -EINVAL;
}
-static int ir_jvc_register(struct input_dev *input_dev)
-{
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
- struct decoder_data *data;
- int rc;
-
- rc = sysfs_create_group(&ir_dev->dev.kobj, &decoder_attribute_group);
- if (rc < 0)
- return rc;
-
- data = kzalloc(sizeof(*data), GFP_KERNEL);
- if (!data) {
- sysfs_remove_group(&ir_dev->dev.kobj, &decoder_attribute_group);
- return -ENOMEM;
- }
-
- data->ir_dev = ir_dev;
- data->enabled = 1;
-
- spin_lock(&decoder_lock);
- list_add_tail(&data->list, &decoder_list);
- spin_unlock(&decoder_lock);
-
- return 0;
-}
-
-static int ir_jvc_unregister(struct input_dev *input_dev)
-{
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
- static struct decoder_data *data;
-
- data = get_decoder_data(ir_dev);
- if (!data)
- return 0;
-
- sysfs_remove_group(&ir_dev->dev.kobj, &decoder_attribute_group);
-
- spin_lock(&decoder_lock);
- list_del(&data->list);
- spin_unlock(&decoder_lock);
-
- return 0;
-}
-
static struct ir_raw_handler jvc_handler = {
+ .protocols = IR_TYPE_JVC,
.decode = ir_jvc_decode,
- .raw_register = ir_jvc_register,
- .raw_unregister = ir_jvc_unregister,
};
static int __init ir_jvc_decode_init(void)
diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c
index 94a8577e72e..15a0f192d41 100644
--- a/drivers/media/IR/ir-keytable.c
+++ b/drivers/media/IR/ir-keytable.c
@@ -497,8 +497,9 @@ int __ir_input_register(struct input_dev *input_dev,
goto out_event;
}
- IR_dprintk(1, "Registered input device on %s for %s remote.\n",
- driver_name, rc_tab->name);
+ 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" : "");
return 0;
diff --git a/drivers/media/IR/ir-lirc-codec.c b/drivers/media/IR/ir-lirc-codec.c
new file mode 100644
index 00000000000..3ba482d96c4
--- /dev/null
+++ b/drivers/media/IR/ir-lirc-codec.c
@@ -0,0 +1,278 @@
+/* ir-lirc-codec.c - ir-core to classic lirc interface bridge
+ *
+ * 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 version 2 of the License.
+ *
+ * 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.
+ */
+
+#include <linux/sched.h>
+#include <linux/wait.h>
+#include <media/lirc.h>
+#include <media/lirc_dev.h>
+#include <media/ir-core.h>
+#include "ir-core-priv.h"
+
+#define LIRCBUF_SIZE 256
+
+/**
+ * ir_lirc_decode() - Send raw IR data to lirc_dev to be relayed to the
+ * lircd userspace daemon for decoding.
+ * @input_dev: the struct input_dev descriptor of the device
+ * @duration: the struct ir_raw_event descriptor of the pulse/space
+ *
+ * This function returns -EINVAL if the lirc interfaces aren't wired up.
+ */
+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);
+
+ if (!(ir_dev->raw->enabled_protocols & IR_TYPE_LIRC))
+ return 0;
+
+ if (!ir_dev->raw->lirc.drv || !ir_dev->raw->lirc.drv->rbuf)
+ return -EINVAL;
+
+ 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;
+ if (ev.pulse)
+ ir_dev->raw->lirc.lircdata |= PULSE_BIT;
+
+ lirc_buffer_write(ir_dev->raw->lirc.drv->rbuf,
+ (unsigned char *) &ir_dev->raw->lirc.lircdata);
+ wake_up(&ir_dev->raw->lirc.drv->rbuf->wait_poll);
+
+ ir_dev->raw->lirc.lircdata = 0;
+
+ return 0;
+}
+
+static ssize_t ir_lirc_transmit_ir(struct file *file, const char *buf,
+ size_t n, loff_t *ppos)
+{
+ struct lirc_codec *lirc;
+ struct ir_input_dev *ir_dev;
+ int *txbuf; /* buffer with values to transmit */
+ int ret = 0, count;
+
+ lirc = lirc_get_pdata(file);
+ if (!lirc)
+ return -EFAULT;
+
+ if (n % sizeof(int))
+ return -EINVAL;
+
+ count = n / sizeof(int);
+ if (count > LIRCBUF_SIZE || count % 2 == 0)
+ return -EINVAL;
+
+ txbuf = memdup_user(buf, n);
+ if (IS_ERR(txbuf))
+ return PTR_ERR(txbuf);
+
+ ir_dev = lirc->ir_dev;
+ if (!ir_dev) {
+ ret = -EFAULT;
+ goto out;
+ }
+
+ if (ir_dev->props && ir_dev->props->tx_ir)
+ ret = ir_dev->props->tx_ir(ir_dev->props->priv, txbuf, (u32)n);
+
+out:
+ kfree(txbuf);
+ return ret;
+}
+
+static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
+{
+ struct lirc_codec *lirc;
+ struct ir_input_dev *ir_dev;
+ int ret = 0;
+ void *drv_data;
+ unsigned long val;
+
+ lirc = lirc_get_pdata(filep);
+ if (!lirc)
+ return -EFAULT;
+
+ ir_dev = lirc->ir_dev;
+ if (!ir_dev || !ir_dev->props || !ir_dev->props->priv)
+ return -EFAULT;
+
+ drv_data = ir_dev->props->priv;
+
+ switch (cmd) {
+ case LIRC_SET_TRANSMITTER_MASK:
+ ret = get_user(val, (unsigned long *)arg);
+ if (ret)
+ return ret;
+
+ if (ir_dev->props && 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)
+ 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);
+ break;
+
+ case LIRC_SET_SEND_MODE:
+ ret = get_user(val, (unsigned long *)arg);
+ if (ret)
+ return ret;
+
+ if (val != (LIRC_MODE_PULSE & LIRC_CAN_SEND_MASK))
+ return -EINVAL;
+ break;
+
+ default:
+ return lirc_dev_fop_ioctl(filep, cmd, arg);
+ }
+
+ return ret;
+}
+
+static int ir_lirc_open(void *data)
+{
+ return 0;
+}
+
+static void ir_lirc_close(void *data)
+{
+ return;
+}
+
+static struct file_operations lirc_fops = {
+ .owner = THIS_MODULE,
+ .write = ir_lirc_transmit_ir,
+ .unlocked_ioctl = ir_lirc_ioctl,
+ .read = lirc_dev_fop_read,
+ .poll = lirc_dev_fop_poll,
+ .open = lirc_dev_fop_open,
+ .release = lirc_dev_fop_close,
+};
+
+static int ir_lirc_register(struct input_dev *input_dev)
+{
+ struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
+ struct lirc_driver *drv;
+ struct lirc_buffer *rbuf;
+ int rc = -ENOMEM;
+ unsigned long features;
+
+ drv = kzalloc(sizeof(struct lirc_driver), GFP_KERNEL);
+ if (!drv)
+ return rc;
+
+ rbuf = kzalloc(sizeof(struct lirc_buffer), GFP_KERNEL);
+ if (!rbuf)
+ goto rbuf_alloc_failed;
+
+ rc = lirc_buffer_init(rbuf, sizeof(int), LIRCBUF_SIZE);
+ if (rc)
+ goto rbuf_init_failed;
+
+ 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;
+ }
+
+ snprintf(drv->name, sizeof(drv->name), "ir-lirc-codec (%s)",
+ ir_dev->driver_name);
+ drv->minor = -1;
+ drv->features = features;
+ drv->data = &ir_dev->raw->lirc;
+ drv->rbuf = rbuf;
+ drv->set_use_inc = &ir_lirc_open;
+ drv->set_use_dec = &ir_lirc_close;
+ drv->code_length = sizeof(struct ir_raw_event) * 8;
+ drv->fops = &lirc_fops;
+ drv->dev = &ir_dev->dev;
+ drv->owner = THIS_MODULE;
+
+ drv->minor = lirc_register_driver(drv);
+ if (drv->minor < 0) {
+ rc = -ENODEV;
+ goto lirc_register_failed;
+ }
+
+ 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:
+rbuf_init_failed:
+ kfree(rbuf);
+rbuf_alloc_failed:
+ kfree(drv);
+
+ return rc;
+}
+
+static int ir_lirc_unregister(struct input_dev *input_dev)
+{
+ struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
+ struct lirc_codec *lirc = &ir_dev->raw->lirc;
+
+ lirc_unregister_driver(lirc->drv->minor);
+ lirc_buffer_free(lirc->drv->rbuf);
+ kfree(lirc->drv);
+
+ return 0;
+}
+
+static struct ir_raw_handler lirc_handler = {
+ .protocols = IR_TYPE_LIRC,
+ .decode = ir_lirc_decode,
+ .raw_register = ir_lirc_register,
+ .raw_unregister = ir_lirc_unregister,
+};
+
+static int __init ir_lirc_codec_init(void)
+{
+ ir_raw_handler_register(&lirc_handler);
+
+ printk(KERN_INFO "IR LIRC bridge handler initialized\n");
+ return 0;
+}
+
+static void __exit ir_lirc_codec_exit(void)
+{
+ ir_raw_handler_unregister(&lirc_handler);
+}
+
+module_init(ir_lirc_codec_init);
+module_exit(ir_lirc_codec_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>");
+MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com)");
+MODULE_DESCRIPTION("LIRC IR handler bridge");
diff --git a/drivers/media/IR/ir-nec-decoder.c b/drivers/media/IR/ir-nec-decoder.c
index ba79233112e..52e0f378ae3 100644
--- a/drivers/media/IR/ir-nec-decoder.c
+++ b/drivers/media/IR/ir-nec-decoder.c
@@ -27,10 +27,6 @@
#define NEC_TRAILER_PULSE (1 * NEC_UNIT)
#define NEC_TRAILER_SPACE (10 * NEC_UNIT) /* even longer in reality */
-/* Used to register nec_decoder clients */
-static LIST_HEAD(decoder_list);
-static DEFINE_SPINLOCK(decoder_lock);
-
enum nec_state {
STATE_INACTIVE,
STATE_HEADER_SPACE,
@@ -40,84 +36,6 @@ enum nec_state {
STATE_TRAILER_SPACE,
};
-struct decoder_data {
- struct list_head list;
- struct ir_input_dev *ir_dev;
- int enabled:1;
-
- /* State machine control */
- enum nec_state state;
- u32 nec_bits;
- unsigned count;
-};
-
-
-/**
- * get_decoder_data() - gets decoder data
- * @input_dev: input device
- *
- * Returns the struct decoder_data that corresponds to a device
- */
-static struct decoder_data *get_decoder_data(struct ir_input_dev *ir_dev)
-{
- struct decoder_data *data = NULL;
-
- spin_lock(&decoder_lock);
- list_for_each_entry(data, &decoder_list, list) {
- if (data->ir_dev == ir_dev)
- break;
- }
- spin_unlock(&decoder_lock);
- return data;
-}
-
-static ssize_t store_enabled(struct device *d,
- struct device_attribute *mattr,
- const char *buf,
- size_t len)
-{
- unsigned long value;
- struct ir_input_dev *ir_dev = dev_get_drvdata(d);
- struct decoder_data *data = get_decoder_data(ir_dev);
-
- if (!data)
- return -EINVAL;
-
- if (strict_strtoul(buf, 10, &value) || value > 1)
- return -EINVAL;
-
- data->enabled = value;
-
- return len;
-}
-
-static ssize_t show_enabled(struct device *d,
- struct device_attribute *mattr, char *buf)
-{
- struct ir_input_dev *ir_dev = dev_get_drvdata(d);
- struct decoder_data *data = get_decoder_data(ir_dev);
-
- if (!data)
- return -EINVAL;
-
- if (data->enabled)
- return sprintf(buf, "1\n");
- else
- return sprintf(buf, "0\n");
-}
-
-static DEVICE_ATTR(enabled, S_IRUGO | S_IWUSR, show_enabled, store_enabled);
-
-static struct attribute *decoder_attributes[] = {
- &dev_attr_enabled.attr,
- NULL
-};
-
-static struct attribute_group decoder_attribute_group = {
- .name = "nec_decoder",
- .attrs = decoder_attributes,
-};
-
/**
* ir_nec_decode() - Decode one NEC pulse or space
* @input_dev: the struct input_dev descriptor of the device
@@ -127,16 +45,12 @@ static struct attribute_group decoder_attribute_group = {
*/
static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev)
{
- struct decoder_data *data;
struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
+ struct nec_dec *data = &ir_dev->raw->nec;
u32 scancode;
u8 address, not_address, command, not_command;
- data = get_decoder_data(ir_dev);
- if (!data)
- return -EINVAL;
-
- if (!data->enabled)
+ if (!(ir_dev->raw->enabled_protocols & IR_TYPE_NEC))
return 0;
if (IS_RESET(ev)) {
@@ -191,9 +105,9 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev)
if (ev.pulse)
break;
- data->nec_bits <<= 1;
+ data->bits <<= 1;
if (eq_margin(ev.duration, NEC_BIT_1_SPACE, NEC_UNIT / 2))
- data->nec_bits |= 1;
+ data->bits |= 1;
else if (!eq_margin(ev.duration, NEC_BIT_0_SPACE, NEC_UNIT / 2))
break;
data->count++;
@@ -222,14 +136,14 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev)
if (!geq_margin(ev.duration, NEC_TRAILER_SPACE, NEC_UNIT / 2))
break;
- address = bitrev8((data->nec_bits >> 24) & 0xff);
- not_address = bitrev8((data->nec_bits >> 16) & 0xff);
- command = bitrev8((data->nec_bits >> 8) & 0xff);
- not_command = bitrev8((data->nec_bits >> 0) & 0xff);
+ address = bitrev8((data->bits >> 24) & 0xff);
+ not_address = bitrev8((data->bits >> 16) & 0xff);
+ command = bitrev8((data->bits >> 8) & 0xff);
+ not_command = bitrev8((data->bits >> 0) & 0xff);
if ((command ^ not_command) != 0xff) {
IR_dprintk(1, "NEC checksum error: received 0x%08x\n",
- data->nec_bits);
+ data->bits);
break;
}
@@ -256,54 +170,9 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev)
return -EINVAL;
}
-static int ir_nec_register(struct input_dev *input_dev)
-{
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
- struct decoder_data *data;
- int rc;
-
- rc = sysfs_create_group(&ir_dev->dev.kobj, &decoder_attribute_group);
- if (rc < 0)
- return rc;
-
- data = kzalloc(sizeof(*data), GFP_KERNEL);
- if (!data) {
- sysfs_remove_group(&ir_dev->dev.kobj, &decoder_attribute_group);
- return -ENOMEM;
- }
-
- data->ir_dev = ir_dev;
- data->enabled = 1;
-
- spin_lock(&decoder_lock);
- list_add_tail(&data->list, &decoder_list);
- spin_unlock(&decoder_lock);
-
- return 0;
-}
-
-static int ir_nec_unregister(struct input_dev *input_dev)
-{
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
- static struct decoder_data *data;
-
- data = get_decoder_data(ir_dev);
- if (!data)
- return 0;
-
- sysfs_remove_group(&ir_dev->dev.kobj, &decoder_attribute_group);
-
- spin_lock(&decoder_lock);
- list_del(&data->list);
- spin_unlock(&decoder_lock);
-
- return 0;
-}
-
static struct ir_raw_handler nec_handler = {
+ .protocols = IR_TYPE_NEC,
.decode = ir_nec_decode,
- .raw_register = ir_nec_register,
- .raw_unregister = ir_nec_unregister,
};
static int __init ir_nec_decode_init(void)
diff --git a/drivers/media/IR/ir-raw-event.c b/drivers/media/IR/ir-raw-event.c
index ea68a3f2eff..6f192ef31db 100644
--- a/