LED Matrix: decouple from Backlight (#12054)

7 files changed, 45 insertions, 27 deletions

diff --git a/common_features.mk b/common_features.mk
index bdde278b98..fdc481fd2a 100644
--- a/common_features.mk
+++ b/common_features.mk
@@ -223,11 +223,10 @@ VALID_LED_MATRIX_TYPES := IS31FL3731 custom
 
 ifeq ($(strip $(LED_MATRIX_ENABLE)), yes)
     ifeq ($(filter $(LED_MATRIX_DRIVER),$(VALID_LED_MATRIX_TYPES)),)
-        $(error LED_MATRIX_DRIVER="$(LED_MATRIX_DRIVER)" is not a valid matrix type)
+        $(error "$(LED_MATRIX_DRIVER)" is not a valid matrix type)
     else
-        BACKLIGHT_ENABLE = yes
-        BACKLIGHT_DRIVER = custom
         OPT_DEFS += -DLED_MATRIX_ENABLE
+        SRC += $(QUANTUM_DIR)/process_keycode/process_backlight.c
         SRC += $(QUANTUM_DIR)/led_matrix.c
         SRC += $(QUANTUM_DIR)/led_matrix_drivers.c
     endif
diff --git a/quantum/led_matrix.c b/quantum/led_matrix.c
index 4f1f06c7ac..39bccdd580 100644
--- a/quantum/led_matrix.c
+++ b/quantum/led_matrix.c
@@ -45,10 +45,6 @@ led_eeconfig_t led_matrix_eeconfig;
 #    define LED_DISABLE_WHEN_USB_SUSPENDED false
 #endif
 
-#ifndef EECONFIG_LED_MATRIX
-#    define EECONFIG_LED_MATRIX EECONFIG_RGBLIGHT
-#endif
-
 #if !defined(LED_MATRIX_MAXIMUM_BRIGHTNESS) || LED_MATRIX_MAXIMUM_BRIGHTNESS > 255
 #    define LED_MATRIX_MAXIMUM_BRIGHTNESS 255
 #endif
@@ -135,7 +131,7 @@ void led_matrix_set_suspend_state(bool state) { g_suspend_state = state; }
 void led_matrix_all_off(void) { led_matrix_set_index_value_all(0); }
 
 // Uniform brightness
-void led_matrix_uniform_brightness(void) { led_matrix_set_index_value_all(LED_MATRIX_MAXIMUM_BRIGHTNESS / BACKLIGHT_LEVELS * led_matrix_eeconfig.val); }
+void led_matrix_uniform_brightness(void) { led_matrix_set_index_value_all(led_matrix_eeconfig.val); }
 
 void led_matrix_custom(void) {}
 
@@ -344,5 +340,3 @@ void led_matrix_set_value(uint8_t val) {
     led_matrix_set_value_noeeprom(val);
     eeconfig_update_led_matrix(led_matrix_eeconfig.raw);
 }
-
-void backlight_set(uint8_t val) { led_matrix_set_value(val); }
diff --git a/quantum/led_matrix.h b/quantum/led_matrix.h
index 85bae43c15..0817d13573 100644
--- a/quantum/led_matrix.h
+++ b/quantum/led_matrix.h
@@ -21,10 +21,6 @@
 
 #include "led_matrix_types.h"
 
-#ifndef BACKLIGHT_ENABLE
-#    error You must define BACKLIGHT_ENABLE with LED_MATRIX_ENABLE
-#endif
-
 enum led_matrix_effects {
     LED_MATRIX_UNIFORM_BRIGHTNESS = 1,
     // All new effects go above this line
diff --git a/quantum/process_keycode/process_backlight.c b/quantum/process_keycode/process_backlight.c
index 4d12f6813a..8b70339a55 100644
--- a/quantum/process_keycode/process_backlight.c
+++ b/quantum/process_keycode/process_backlight.c
@@ -16,11 +16,35 @@
 
 #include "process_backlight.h"
 
-#include "backlight.h"
+#ifdef LED_MATRIX_ENABLE
+#    include "led_matrix.h"
+#else
+#    include "backlight.h"
+#endif
 
 bool process_backlight(uint16_t keycode, keyrecord_t *record) {
     if (record->event.pressed) {
         switch (keycode) {
+#ifdef LED_MATRIX_ENABLE
+            case BL_ON:
+                led_matrix_enable();
+                return false;
+            case BL_OFF:
+                led_matrix_disable();
+                return false;
+            case BL_DEC:
+                led_matrix_decrease_val();
+                return false;
+            case BL_INC:
+                led_matrix_increase_val();
+                return false;
+            case BL_TOGG:
+                led_matrix_toggle();
+                return false;
+            case BL_STEP:
+                led_matrix_step();
+                return false;
+#else
             case BL_ON:
                 backlight_level(BACKLIGHT_LEVELS);
                 return false;
@@ -39,10 +63,11 @@ bool process_backlight(uint16_t keycode, keyrecord_t *record) {
             case BL_STEP:
                 backlight_step();
                 return false;
-#ifdef BACKLIGHT_BREATHING
+#    ifdef BACKLIGHT_BREATHING
             case BL_BRTG:
                 backlight_toggle_breathing();
                 return false;
+#    endif
 #endif
         }
     }
diff --git a/quantum/quantum.c b/quantum/quantum.c
index 78601ce6bf..59d95f2f54 100644
--- a/quantum/quantum.c
+++ b/quantum/quantum.c
@@ -234,7 +234,7 @@ bool process_record_quantum(keyrecord_t *record) {
 #ifdef AUDIO_ENABLE
             process_audio(keycode, record) &&
 #endif
-#ifdef BACKLIGHT_ENABLE
+#if defined(BACKLIGHT_ENABLE) || defined(LED_MATRIX_ENABLE)
             process_backlight(keycode, record) &&
 #endif
 #ifdef STENO_ENABLE
@@ -387,15 +387,14 @@ void matrix_init_quantum() {
     led_init_ports();
 #endif
 #ifdef BACKLIGHT_ENABLE
-#    ifdef LED_MATRIX_ENABLE
-    led_matrix_init();
-#    else
     backlight_init_ports();
-#    endif
 #endif
 #ifdef AUDIO_ENABLE
     audio_init();
 #endif
+#ifdef LED_MATRIX_ENABLE
+    led_matrix_init();
+#endif
 #ifdef RGB_MATRIX_ENABLE
     rgb_matrix_init();
 #endif
diff --git a/quantum/quantum.h b/quantum/quantum.h
index 070bd01317..7c2dcaa829 100644
--- a/quantum/quantum.h
+++ b/quantum/quantum.h
@@ -30,11 +30,11 @@
 #include "keymap.h"
 
 #ifdef BACKLIGHT_ENABLE
-#    ifdef LED_MATRIX_ENABLE
-#        include "led_matrix.h"
-#    else
-#        include "backlight.h"
-#    endif
+#    include "backlight.h"
+#endif
+
+#ifdef LED_MATRIX_ENABLE
+#    include "led_matrix.h"
 #endif
 
 #if defined(RGBLIGHT_ENABLE)
@@ -98,7 +98,7 @@ extern layer_state_t layer_state;
 #    include "process_music.h"
 #endif
 
-#ifdef BACKLIGHT_ENABLE
+#if defined(BACKLIGHT_ENABLE) || defined(LED_MATRIX_ENABLE)
 #    include "process_backlight.h"
 #endif
 
diff --git a/tmk_core/common/eeconfig.h b/tmk_core/common/eeconfig.h
index 39bc51d5db..9e18fd4e15 100644
--- a/tmk_core/common/eeconfig.h
+++ b/tmk_core/common/eeconfig.h
@@ -43,9 +43,14 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define EECONFIG_VELOCIKEY (uint8_t *)23
 
 #define EECONFIG_HAPTIC (uint32_t *)24
+
+// Mutually exclusive
+#define EECONFIG_LED_MATRIX (uint32_t *)28
 #define EECONFIG_RGB_MATRIX (uint32_t *)28
 // Speed & Flags
+#define EECONFIG_LED_MATRIX_EXTENDED (uint16_t *)32
 #define EECONFIG_RGB_MATRIX_EXTENDED (uint16_t *)32
+
 // TODO: Combine these into a single word and single block of EEPROM
 #define EECONFIG_KEYMAP_UPPER_BYTE (uint8_t *)34
 // Size of EEPROM being used, other code can refer to this for available EEPROM