3 files changed, 105 insertions, 5 deletions

diff --git a/quantum/audio/driver_chibios_pwm_hardware.c b/quantum/audio/driver_chibios_pwm_hardware.c
index 3c7d89b29..cd40019ee 100644
--- a/quantum/audio/driver_chibios_pwm_hardware.c
+++ b/quantum/audio/driver_chibios_pwm_hardware.c
@@ -109,9 +109,9 @@ void audio_driver_initialize(void) {
 
     // connect the AUDIO_PIN to the PWM hardware
 #if defined(USE_GPIOV1)  // STM32F103C8
-    palSetLineMode(AUDIO_PIN, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
+    palSetLineMode(AUDIO_PIN, PAL_MODE_ALTERNATE_PUSHPULL);
 #else  // GPIOv2 (or GPIOv3 for f4xx, which is the same/compatible at this command)
-    palSetLineMode(AUDIO_PIN, PAL_STM32_MODE_ALTERNATE | PAL_STM32_ALTERNATE(AUDIO_PWM_PAL_MODE));
+    palSetLineMode(AUDIO_PIN, PAL_MODE_ALTERNATE(AUDIO_PWM_PAL_MODE));
 #endif
 
     gptStart(&AUDIO_STATE_TIMER, &gptCFG);
diff --git a/quantum/backlight/backlight_chibios.c b/quantum/backlight/backlight_chibios.c
index 4d5a69e14..7c6edd10d 100644
--- a/quantum/backlight/backlight_chibios.c
+++ b/quantum/backlight/backlight_chibios.c
@@ -8,9 +8,13 @@
 #    define BACKLIGHT_LIMIT_VAL 255
 #endif
 
-// GPIOV2 && GPIOV3
 #ifndef BACKLIGHT_PAL_MODE
-#    define BACKLIGHT_PAL_MODE 2
+#    if defined(USE_GPIOV1)
+#        define BACKLIGHT_PAL_MODE PAL_MODE_ALTERNATE_PUSHPULL
+#    else
+// GPIOV2 && GPIOV3
+#        define BACKLIGHT_PAL_MODE 5
+#    endif
 #endif
 
 // GENERIC
@@ -70,7 +74,7 @@ static uint32_t rescale_limit_val(uint32_t val) {
 
 void backlight_init_ports(void) {
 #ifdef USE_GPIOV1
-    palSetPadMode(PAL_PORT(BACKLIGHT_PIN), PAL_PAD(BACKLIGHT_PIN), PAL_MODE_STM32_ALTERNATE_PUSHPULL);
+    palSetPadMode(PAL_PORT(BACKLIGHT_PIN), PAL_PAD(BACKLIGHT_PIN), BACKLIGHT_PAL_MODE);
 #else
     palSetPadMode(PAL_PORT(BACKLIGHT_PIN), PAL_PAD(BACKLIGHT_PIN), PAL_MODE_ALTERNATE(BACKLIGHT_PAL_MODE));
 #endif
diff --git a/quantum/quantum.c b/quantum/quantum.c
index e60378afe..9d77fa438 100644
--- a/quantum/quantum.c
+++ b/quantum/quantum.c
@@ -480,3 +480,99 @@ void api_send_unicode(uint32_t unicode) {
 __attribute__((weak)) void startup_user() {}
 
 __attribute__((weak)) void shutdown_user() {}
+
+/** \brief Run keyboard level Power down
+ *
+ * FIXME: needs doc
+ */
+__attribute__((weak)) void suspend_power_down_user(void) {}
+/** \brief Run keyboard level Power down
+ *
+ * FIXME: needs doc
+ */
+__attribute__((weak)) void suspend_power_down_kb(void) { suspend_power_down_user(); }
+
+void suspend_power_down_quantum(void) {
+#ifndef NO_SUSPEND_POWER_DOWN
+// Turn off backlight
+#    ifdef BACKLIGHT_ENABLE
+    backlight_set(0);
+#    endif
+
+#    ifdef LED_MATRIX_ENABLE
+    led_matrix_task();
+#    endif
+#    ifdef RGB_MATRIX_ENABLE
+    rgb_matrix_task();
+#    endif
+
+    // Turn off LED indicators
+    uint8_t leds_off = 0;
+#    if defined(BACKLIGHT_CAPS_LOCK) && defined(BACKLIGHT_ENABLE)
+    if (is_backlight_enabled()) {
+        // Don't try to turn off Caps Lock indicator as it is backlight and backlight is already off
+        leds_off |= (1 << USB_LED_CAPS_LOCK);
+    }
+#    endif
+    led_set(leds_off);
+
+// Turn off audio
+#    ifdef AUDIO_ENABLE
+    stop_all_notes();
+#    endif
+
+// Turn off underglow
+#    if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE)
+    rgblight_suspend();
+#    endif
+
+#    if defined(LED_MATRIX_ENABLE)
+    led_matrix_set_suspend_state(true);
+#    endif
+#    if defined(RGB_MATRIX_ENABLE)
+    rgb_matrix_set_suspend_state(true);
+#    endif
+
+#    ifdef OLED_ENABLE
+    oled_off();
+#    endif
+#    ifdef ST7565_ENABLE
+    st7565_off();
+#    endif
+#endif
+}
+
+/** \brief run user level code immediately after wakeup
+ *
+ * FIXME: needs doc
+ */
+__attribute__((weak)) void suspend_wakeup_init_user(void) {}
+
+/** \brief run keyboard level code immediately after wakeup
+ *
+ * FIXME: needs doc
+ */
+__attribute__((weak)) void suspend_wakeup_init_kb(void) { suspend_wakeup_init_user(); }
+
+__attribute__((weak)) void suspend_wakeup_init_quantum(void) {
+// Turn on backlight
+#ifdef BACKLIGHT_ENABLE
+    backlight_init();
+#endif
+
+    // Restore LED indicators
+    led_set(host_keyboard_leds());
+
+// Wake up underglow
+#if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE)
+    rgblight_wakeup();
+#endif
+
+#if defined(LED_MATRIX_ENABLE)
+    led_matrix_set_suspend_state(false);
+#endif
+#if defined(RGB_MATRIX_ENABLE)
+    rgb_matrix_set_suspend_state(false);
+#endif
+    suspend_wakeup_init_kb();
+}