1 files changed, 31 insertions, 0 deletions

diff --git a/utils/hwstub/tools/lua/atj/lcm.lua b/utils/hwstub/tools/lua/atj/lcm.lua
new file mode 100644
index 0000000000..feaa8b7158
--- /dev/null
+++ b/utils/hwstub/tools/lua/atj/lcm.lua
@@ -0,0 +1,31 @@
+ATJ.lcm = {}
+
+function ATJ.lcm.wait_fifo_empty()
+    while (bit32.band(HW.YUV2RGB.CTL.read(), 0x04) == 0) do
+    end
+end
+
+function ATJ.lcm.rs_command()
+    ATJ.lcm.wait_fifo_empty()
+    HW.YUV2RGB.CTL.write(0x802ae)
+end
+
+function ATJ.lcm.rs_data()
+    ATJ.lcm.wait_fifo_empty()
+    HW.YUV2RGB.CTL.write(0x902ae)
+end
+
+function ATJ.lcm.fb_data()
+    ATJ.lcm.rs_command()
+    HW.YUV2RGB.FIFODATA.write(0x22)
+    HW.YUV2RGB.CTL.write(0xa02ae)
+end
+
+function ATJ.lcm.init()
+    HW.CMU.DEVCLKEN.write(bit32.bor(HW.CMU.DEVCLKEN.read(), 0x102))
+    ATJ.gpio.muxsel("LCM")
+    hwstub.udelay(1)
+    ATJ.lcm.rs_command()
+    HW.YUV2RGB.CLKCTL.write(0x102)
+end
+