1 files changed, 62 insertions, 0 deletions
diff --git a/quantum/backlight/backlight.h b/quantum/backlight/backlight.h
new file mode 100644
index 0000000000..1e581055db
--- /dev/null
+++ b/quantum/backlight/backlight.h
@@ -0,0 +1,62 @@
+/*
+Copyright 2013 Mathias Andersson <wraul@dbox.se>
+
+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, either version 2 of the License, or
+(at your option) any later version.
+
+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.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#ifndef BACKLIGHT_LEVELS
+#    define BACKLIGHT_LEVELS 3
+#elif BACKLIGHT_LEVELS > 31
+#    error "Maximum value of BACKLIGHT_LEVELS is 31"
+#endif
+
+#ifndef BREATHING_PERIOD
+#    define BREATHING_PERIOD 6
+#endif
+
+typedef union {
+    uint8_t raw;
+    struct {
+        bool    enable : 1;
+        bool    breathing : 1;
+        uint8_t reserved : 1;  // Reserved for possible future backlight modes
+        uint8_t level : 5;
+    };
+} backlight_config_t;
+
+void    backlight_init(void);
+void    backlight_increase(void);
+void    backlight_decrease(void);
+void    backlight_toggle(void);
+void    backlight_enable(void);
+void    backlight_disable(void);
+bool    is_backlight_enabled(void);
+void    backlight_step(void);
+void    backlight_set(uint8_t level);
+void    backlight_level(uint8_t level);
+uint8_t get_backlight_level(void);
+
+#ifdef BACKLIGHT_BREATHING
+void backlight_toggle_breathing(void);
+void backlight_enable_breathing(void);
+void backlight_disable_breathing(void);
+bool is_backlight_breathing(void);
+void breathing_enable(void);
+void breathing_disable(void);
+#endif