hocclk: add display color option for aula

this is very very subtle but can def make a difference to your experience

Source/hoc-clk/sysmodule/src/display/aula.cpp

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) Souldbminer
+ *
+ * Copyright (c) CtCaer
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+#include "aula.hpp"
+#include "common.hpp"
+
+namespace AulaDisplay {
+    #define MMIO_REG32(base, off) *(vu32 *)((base) + (off))
+    #define DSI(off)             MMIO_REG32(board::dsiVirtAddr, (off) << 2u)
+    #define DSI_WR_DATA 0xA
+    #define DSI_TRIGGER 0x13
+
+    void _display_dsi_send_cmd(u8 cmd, u32 param, u32 wait) {
+        DSI(DSI_WR_DATA) = (param << 8) | cmd;
+        DSI(DSI_TRIGGER) = DSI_TRIGGER_HOST;
+
+        if (wait)
+            svcSleepThread(wait * 1000);
+    }
+
+    void SetDisplayColorMode(AulaColorMode mode) {
+        _display_dsi_send_cmd(MIPI_DSI_DCS_SHORT_WRITE_PARAM,
+                        MIPI_DCS_PRIV_SM_SET_COLOR_MODE | (mode << 8), 0);
+
+    }
+
+}