V4L/DVB (13613): IR: create ir-core module

Split the ir-common into two separate modules:
	- ir-core: it is the IR-independent functions;
	- ir-common: has the common part used by V4L drivers.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/IR/Kconfig

-config VIDEO_IR
+config IR_CORE
 	tristate
 	depends on INPUT
 	default INPUT
+
+config VIDEO_IR
+	tristate
+	depends on IR_CORE
+	default IR_CORE

drivers/media/IR/Makefile

-ir-common-objs  := ir-functions.o ir-keymaps.o ir-keytable.o
+ir-common-objs  := ir-functions.o ir-keymaps.o
+ir-core-objs	:= ir-keytable.o
 
+obj-$(CONFIG_IR_CORE) += ir-core.o
 obj-$(CONFIG_VIDEO_IR) += ir-common.o

drivers/media/IR/ir-functions.c

@@ -34,9 +34,6 @@ static int repeat = 1;
 module_param(repeat, int, 0444);
 MODULE_PARM_DESC(repeat,"auto-repeat for IR keys (default: on)");
 
-int media_ir_debug;    /* media_ir_debug level (0,1,2) */
-module_param_named(debug, media_ir_debug, int, 0644);
-
 /* -------------------------------------------------------------------------- */
 
 static void ir_input_key_event(struct input_dev *dev, struct ir_input_state *ir)

drivers/media/IR/ir-keytable.c

 /* ir-register.c - handle IR scancode->keycode tables
  *
  * Copyright (C) 2009 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 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/usb/input.h>
@@ -10,7 +19,6 @@
 #define IR_TAB_MIN_SIZE	32
 #define IR_TAB_MAX_SIZE	1024
 
-
 /**
  * ir_seek_table() - returns the element order on the table
  * @rc_tab:	the ir_scancode_table with the keymap to be used
@@ -73,6 +81,7 @@ int ir_roundup_tablesize(int n_elems)
 
 	return n_elems;
 }
+EXPORT_SYMBOL_GPL(ir_roundup_tablesize);
 
 /**
  * ir_copy_table() - copies a keytable, discarding the unused entries
@@ -101,6 +110,7 @@ int ir_copy_table(struct ir_scancode_table *destin,
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(ir_copy_table);
 
 /**
  * ir_getkeycode() - get a keycode at the evdev scancode ->keycode table
@@ -137,7 +147,6 @@ static int ir_getkeycode(struct input_dev *dev,
 	return 0;
 }
 
-
 /**
  * ir_is_resize_needed() - Check if the table needs rezise
  * @table:		keycode table that may need to resize
@@ -379,6 +388,7 @@ u32 ir_g_keycode_from_table(struct input_dev *dev, u32 scancode)
 	/* Reports userspace that an unknown keycode were got */
 	return KEY_RESERVED;
 }
+EXPORT_SYMBOL_GPL(ir_g_keycode_from_table);
 
 /**
  * ir_set_keycode_table() - sets the IR keycode table and add the handlers
@@ -415,6 +425,7 @@ int ir_set_keycode_table(struct input_dev *input_dev,
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(ir_set_keycode_table);
 
 void ir_input_free(struct input_dev *dev)
 {
@@ -431,3 +442,9 @@ void ir_input_free(struct input_dev *dev)
 }
 EXPORT_SYMBOL_GPL(ir_input_free);
 
+int ir_core_debug;    /* ir_debug level (0,1,2) */
+EXPORT_SYMBOL_GPL(ir_core_debug);
+module_param_named(debug, ir_core_debug, int, 0644);
+
+MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
+MODULE_LICENSE("GPL");

include/media/ir-common.h

@@ -26,31 +26,7 @@
 #include <linux/input.h>
 #include <linux/workqueue.h>
 #include <linux/interrupt.h>
-#include <linux/spinlock.h>
-
-extern int media_ir_debug;    /* media_ir_debug level (0,1,2) */
-#define IR_dprintk(level, fmt, arg...)	if (media_ir_debug >= level) \
-	printk(KERN_DEBUG "%s: " fmt , __func__, ## arg)
-
-enum ir_type {
-	IR_TYPE_UNKNOWN = 0,
-	IR_TYPE_RC5 = 1,
-	IR_TYPE_PD = 2,		 /* Pulse distance encoded IR */
-	IR_TYPE_NEC = 3,
-	IR_TYPE_OTHER = 99,
-};
-
-struct ir_scancode {
-	u16	scancode;
-	u32	keycode;
-};
-
-struct ir_scancode_table {
-	struct ir_scancode *scan;
-	int size;
-	enum ir_type ir_type;
-	spinlock_t lock;
-};
+#include <media/ir-core.h>
 
 #define RC5_START(x)	(((x)>>12)&3)
 #define RC5_TOGGLE(x)	(((x)>>11)&1)
@@ -123,19 +99,6 @@ u32  ir_rc5_decode(unsigned int code);
 void ir_rc5_timer_end(unsigned long data);
 void ir_rc5_timer_keyup(unsigned long data);
 
-/* Routines from ir-keytable.c */
-
-u32 ir_g_keycode_from_table(struct input_dev *input_dev,
-			    u32 scancode);
-
-int ir_set_keycode_table(struct input_dev *input_dev,
-			 struct ir_scancode_table *rc_tab);
-
-int ir_roundup_tablesize(int n_elems);
-int ir_copy_table(struct ir_scancode_table *destin,
-		 const struct ir_scancode_table *origin);
-void ir_input_free(struct input_dev *input_dev);
-
 /* scancode->keycode map tables from ir-keymaps.c */
 
 extern struct ir_scancode_table ir_codes_empty_table;

include/media/ir-core.h

+/*
+ * Remote Controller core header
+ *
+ * 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.
+ */
+
+#ifndef _IR_CORE
+#define _IR_CORE
+
+#include <linux/input.h>
+#include <linux/spinlock.h>
+
+extern int ir_core_debug;
+#define IR_dprintk(level, fmt, arg...)	if (ir_core_debug >= level) \
+	printk(KERN_DEBUG "%s: " fmt , __func__, ## arg)
+
+enum ir_type {
+	IR_TYPE_UNKNOWN	= 0,
+	IR_TYPE_RC5	= 1,
+	IR_TYPE_PD	= 2,		 /* Pulse distance encoded IR */
+	IR_TYPE_NEC	= 3,
+	IR_TYPE_OTHER	= 99,
+};
+
+struct ir_scancode {
+	u16	scancode;
+	u32	keycode;
+};
+
+struct ir_scancode_table {
+	struct ir_scancode	*scan;
+	int			size;
+	enum			ir_type ir_type;
+	spinlock_t		lock;
+};
+
+/* Routines from ir-keytable.c */
+
+u32 ir_g_keycode_from_table(struct input_dev *input_dev,
+			    u32 scancode);
+
+int ir_set_keycode_table(struct input_dev *input_dev,
+			 struct ir_scancode_table *rc_tab);
+
+int ir_roundup_tablesize(int n_elems);
+int ir_copy_table(struct ir_scancode_table *destin,
+		 const struct ir_scancode_table *origin);
+void ir_input_free(struct input_dev *input_dev);
+
+#endif