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>

1 files changed, 57 insertions, 0 deletions

diff --git a/include/media/ir-core.h b/include/media/ir-core.h
new file mode 100644
index 000000000000..825d04a4e77b
--- /dev/null
+++ b/include/media/ir-core.h
@@ -0,0 +1,57 @@
+/*
+ * 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