Relocate PS2 code (#14895)

* Relocate ps2 protocol code

* clang

* Move makefile logic

common_features.mk

@@ -576,6 +576,40 @@ ifeq ($(strip $(AUTO_SHIFT_ENABLE)), yes)
     endif
 endif
 
+ifeq ($(strip $(PS2_MOUSE_ENABLE)), yes)
+    PS2_ENABLE := yes
+    SRC += ps2_mouse.c
+    OPT_DEFS += -DPS2_MOUSE_ENABLE
+    OPT_DEFS += -DMOUSE_ENABLE
+endif
+
+ifeq ($(strip $(PS2_USE_BUSYWAIT)), yes)
+    PS2_ENABLE := yes
+    SRC += ps2_busywait.c
+    SRC += ps2_io_avr.c
+    OPT_DEFS += -DPS2_USE_BUSYWAIT
+endif
+
+ifeq ($(strip $(PS2_USE_INT)), yes)
+    PS2_ENABLE := yes
+    SRC += ps2_interrupt.c
+    SRC += ps2_io.c
+    OPT_DEFS += -DPS2_USE_INT
+endif
+
+ifeq ($(strip $(PS2_USE_USART)), yes)
+    PS2_ENABLE := yes
+    SRC += ps2_usart.c
+    SRC += ps2_io.c
+    OPT_DEFS += -DPS2_USE_USART
+endif
+
+ifeq ($(strip $(PS2_ENABLE)), yes)
+    COMMON_VPATH += $(DRIVER_PATH)/ps2
+    COMMON_VPATH += $(PLATFORM_PATH)/$(PLATFORM_KEY)/$(DRIVER_DIR)/ps2
+    OPT_DEFS += -DPS2_ENABLE
+endif
+
 JOYSTICK_ENABLE ?= no
 VALID_JOYSTICK_TYPES := analog digital
 JOYSTICK_DRIVER ?= analog

drivers/ps2/ps2_mouse.c

@@ -16,13 +16,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include <stdbool.h>
-
-#if defined(__AVR__)
-#    include <avr/io.h>
-#endif
-
 #include "ps2_mouse.h"
 #include "wait.h"
+#include "gpio.h"
 #include "host.h"
 #include "timer.h"
 #include "print.h"

platforms/avr/drivers/ps2/ps2_usart.c

@@ -42,6 +42,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #include <stdbool.h>
 #include <avr/interrupt.h>
 #include <util/delay.h>
+#include "gpio.h"
 #include "ps2.h"
 #include "ps2_io.h"
 #include "print.h"

tmk_core/protocol.mk

@@ -1,30 +1,5 @@
 PROTOCOL_DIR = protocol
 
-ifeq ($(strip $(PS2_MOUSE_ENABLE)), yes)
-    SRC += $(PROTOCOL_DIR)/ps2_mouse.c
-    OPT_DEFS += -DPS2_MOUSE_ENABLE
-    OPT_DEFS += -DMOUSE_ENABLE
-endif
-
-ifeq ($(strip $(PS2_USE_BUSYWAIT)), yes)
-    SRC += protocol/ps2_busywait.c
-    SRC += protocol/ps2_io_avr.c
-    OPT_DEFS += -DPS2_USE_BUSYWAIT
-endif
-
-ifeq ($(strip $(PS2_USE_INT)), yes)
-    SRC += protocol/ps2_interrupt.c
-    SRC += protocol/ps2_io_$(PLATFORM_KEY).c
-    OPT_DEFS += -DPS2_USE_INT
-endif
-
-ifeq ($(strip $(PS2_USE_USART)), yes)
-    SRC += protocol/ps2_usart.c
-    SRC += protocol/ps2_io_$(PLATFORM_KEY).c
-    OPT_DEFS += -DPS2_USE_USART
-endif
-
-
 ifeq ($(strip $(SERIAL_MOUSE_MICROSOFT_ENABLE)), yes)
     SRC += $(PROTOCOL_DIR)/serial_mouse_microsoft.c
     OPT_DEFS += -DSERIAL_MOUSE_ENABLE -DSERIAL_MOUSE_MICROSOFT \