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