[media] rc-core: merge rc-map.c into rc-main.c

With this change, all rc-core functions are into just one file, except
for the rc-raw specific functions.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 93 insertions, 1 deletions

diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index d7726776f937..afcf0a88464d 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -12,7 +12,9 @@
  *  GNU General Public License for more details.
  */
 
-
+#include <media/ir-core.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
 #include <linux/input.h>
 #include <linux/slab.h>
 #include <linux/device.h>
@@ -30,6 +32,96 @@ static unsigned long ir_core_dev_number;
 /* FIXME: IR_KEYPRESS_TIMEOUT should be protocol specific */
 #define IR_KEYPRESS_TIMEOUT 250
 
+/* Used to handle IR raw handler extensions */
+static LIST_HEAD(rc_map_list);
+static DEFINE_SPINLOCK(rc_map_lock);
+
+static struct rc_keymap *seek_rc_map(const char *name)
+{
+        struct rc_keymap *map = NULL;
+
+        spin_lock(&rc_map_lock);
+        list_for_each_entry(map, &rc_map_list, list) {
+                if (!strcmp(name, map->map.name)) {
+                        spin_unlock(&rc_map_lock);
+                        return map;
+                }
+        }
+        spin_unlock(&rc_map_lock);
+
+        return NULL;
+}
+
+struct ir_scancode_table *get_rc_map(const char *name)
+{
+
+        struct rc_keymap *map;
+
+        map = seek_rc_map(name);
+#ifdef MODULE
+        if (!map) {
+                int rc = request_module(name);
+                if (rc < 0) {
+                        printk(KERN_ERR "Couldn't load IR keymap %s\n", name);
+                        return NULL;
+                }
+                msleep(20);     /* Give some time for IR to register */
+
+                map = seek_rc_map(name);
+        }
+#endif
+        if (!map) {
+                printk(KERN_ERR "IR keymap %s not found\n", name);
+                return NULL;
+        }
+
+        printk(KERN_INFO "Registered IR keymap %s\n", map->map.name);
+
+        return &map->map;
+}
+EXPORT_SYMBOL_GPL(get_rc_map);
+
+int ir_register_map(struct rc_keymap *map)
+{
+        spin_lock(&rc_map_lock);
+        list_add_tail(&map->list, &rc_map_list);
+        spin_unlock(&rc_map_lock);
+        return 0;
+}
+EXPORT_SYMBOL_GPL(ir_register_map);
+
+void ir_unregister_map(struct rc_keymap *map)
+{
+        spin_lock(&rc_map_lock);
+        list_del(&map->list);
+        spin_unlock(&rc_map_lock);
+}
+EXPORT_SYMBOL_GPL(ir_unregister_map);
+
+
+static struct ir_scancode empty[] = {
+        { 0x2a, KEY_COFFEE },
+};
+
+static struct rc_keymap empty_map = {
+        .map = {
+                .scan    = empty,
+                .size    = ARRAY_SIZE(empty),
+                .ir_type = IR_TYPE_UNKNOWN,     /* Legacy IR type */
+                .name    = RC_MAP_EMPTY,
+        }
+};
+
+int ir_rcmap_init(void)
+{
+        return ir_register_map(&empty_map);
+}
+
+void ir_rcmap_cleanup(void)
+{
+        ir_unregister_map(&empty_map);
+}
+
 /**
  * ir_create_table() - initializes a scancode table
  * @rc_tab:     the ir_scancode_table to initialize