Add keymap stub

src/board/system76/galp3-c/include/board/kbc.h

@@ -4,7 +4,6 @@
 #include <ec/kbc.h>
 
 void kbc_init(void);
-
 void kbc_event(struct Kbc * kbc);
 
 #endif // _BOARD_KBC_H

src/board/system76/galp3-c/include/board/kbscan.h

@@ -4,7 +4,6 @@
 #include <ec/kbscan.h>
 
 void kbscan_init(void);
-
 void kbscan_event(void);
 
 #endif // _BOARD_KBSCAN_H

src/board/system76/galp3-c/include/board/keymap.h

@@ -0,0 +1,8 @@
+#ifndef _BOARD_KEYMAP_H
+#define _BOARD_KEYMAP_H
+
+#include <stdint.h>
+
+uint16_t keymap(int layer, int output, int input);
+
+#endif // _BOARD_KEYMAP_H

src/board/system76/galp3-c/keymap.c

@@ -0,0 +1,21 @@
+#include <board/keymap.h>
+
+// Keymap layers (normal, Fn)
+#define KM_LAY 2
+// Keymap output pins
+#define KM_OUT 16
+// Keymap input pins
+#define KM_IN 8
+
+uint16_t __code KEYMAP[KM_IN][KM_OUT][KM_LAY] = {
+    // TODO
+    { { 0 } }
+};
+
+uint16_t keymap(int layer, int output, int input) {
+    if (layer < KM_LAY && output < KM_OUT && input < KM_IN) {
+        return KEYMAP[input][output][layer];
+    } else {
+        return 0;
+    }
+}