summaryrefslogtreecommitdiffstats
path: root/include/media/ir-core.h
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@redhat.com>2009-12-11 08:34:07 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-12-16 00:18:42 -0200
commit446e4a64d2f6efddc63a47169ba3c8037b620307 (patch)
tree3b14d76f7e93d5b35de50edf85a9179f759adb3d /include/media/ir-core.h
parente27d38112eb727df189a9ebf560aa104cb102253 (diff)
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>
Diffstat (limited to 'include/media/ir-core.h')
-rw-r--r--include/media/ir-core.h57
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 00000000000..825d04a4e77
--- /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