azalea: workaround fix keyboard can't wakeup s0ix

for AMD design when resume from s0ix, host wouldn't take KBC data,
so can't wake by press keyboard, co-work with BIOS use workaround to wake system by scan code.

Signed-off-by: LeoCX_Tsai <LeoCX_Tsai@compal.com>

Author: LeoCX-Tsai

common/keyboard_8042.c

@@ -1146,7 +1146,9 @@ void simulate_keyboard(uint16_t scancode, int is_pressed)
 	 * Only send the scan code if main chipset is fully awake and
 	 * keystrokes are enabled.
 	 */
-	if (!chipset_in_state(CHIPSET_STATE_ON) || !keystroke_enabled)
+	if (chipset_in_state(CHIPSET_STATE_ANY_OFF) ||
+		!keystroke_enabled ||
+		chipset_in_state(CHIPSET_STATE_SUSPEND))
 		return;
 
 	code_set = acting_code_set(scancode_set);

zephyr/program/lotus/azalea/src/power_sequence.c

@@ -272,13 +272,13 @@ static void key_stuck_wa(void)
 	int wa_bit = *host_get_memmap(EC_CUSTOMIZED_MEMMAP_DISPLAY_ON);
 
 	if (wa_bit) {
-		simulate_keyboard(SCANCODE_UNASSIGNED, 1);
-		simulate_keyboard(SCANCODE_UNASSIGNED, 0);
-		keyboard_clear_buffer();
 		*host_get_memmap(EC_CUSTOMIZED_MEMMAP_DISPLAY_ON) = 0;
 		hook_call_deferred(&key_stuck_wa_data, -1);
+		simulate_keyboard(SCANCODE_UNASSIGNED, 1);
+		simulate_keyboard(SCANCODE_UNASSIGNED, 0);
 	} else
-		hook_call_deferred(&key_stuck_wa_data, 250 * MSEC);
+		hook_call_deferred(&key_stuck_wa_data, 10 * MSEC);
+
 }
 
 enum power_state power_handle_state(enum power_state state)
@@ -460,13 +460,15 @@ enum power_state power_handle_state(enum power_state state)
 
 	case POWER_S0ixS3:
 		CPRINTS("PH S0ixS3");
+		hook_call_deferred(&key_stuck_wa_data, -1);
 		/* follow power sequence Disable S3 power */
 		chipset_prepare_S3(0);
 		CPRINTS("PH S0ixS0->S3");
 		return POWER_S3;
 
 	case POWER_S3S0ix:
 		CPRINTS("PH S3->S0ix");
+		hook_call_deferred(&key_stuck_wa_data, 1);
 		/* Enable power for CPU check system */
 		chipset_prepare_S3(1);
 		CPRINTS("PH S3S0ix->S0ix");
@@ -476,8 +478,8 @@ enum power_state power_handle_state(enum power_state state)
 		CPRINTS("PH S0ixS0");
 		resume_ms_flag = 0;
 		enter_ms_flag = 0;
-		hook_call_deferred(&key_stuck_wa_data, 10 * MSEC);
 		lpc_s0ix_resume_restore_masks();
+		hook_call_deferred(&key_stuck_wa_data, 50 * MSEC);
 		/* Call hooks now that rails are up */
 		hook_notify(HOOK_CHIPSET_RESUME);
 		CPRINTS("PH S0ixS0->S0");