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Diffstat (limited to 'utils/hwstub/tools/lua/zenv.lua')
-rw-r--r--utils/hwstub/tools/lua/zenv.lua56
1 files changed, 56 insertions, 0 deletions
diff --git a/utils/hwstub/tools/lua/zenv.lua b/utils/hwstub/tools/lua/zenv.lua
new file mode 100644
index 0000000000..5a6779c876
--- /dev/null
+++ b/utils/hwstub/tools/lua/zenv.lua
@@ -0,0 +1,56 @@
+--
+-- ZEN V
+--
+ZENV = {}
+
+function ZENV.lcd_send(cmd, data)
+ if #cmd == 1 and cmd[1] == 0x5c then
+ STMP.lcdif.set_word_length(16)
+ STMP.lcdif.set_data_swizzle("NONE")
+ else
+ STMP.lcdif.set_word_length(8)
+ STMP.lcdif.set_data_swizzle("NONE")
+ end
+ STMP.lcdif.send_pio(false, cmd)
+ STMP.lcdif.send_pio(true, data)
+end
+
+function ZENV.lcd_init()
+ STMP.pinctrl.lcdif.setup_system(16, false)
+ STMP.pinctrl.pin(3, 16).muxsel("GPIO")
+ STMP.pinctrl.pin(3, 16).disable()
+ if STMP.pinctrl.pin(3, 16).read() == 0 then
+ STMP.debug("ZENV: need lcd power init")
+ STMP.pinctrl.pin(0, 27).muxsel("GPIO")
+ STMP.pinctrl.pin(0, 27).enable()
+ STMP.pinctrl.pin(0, 27).set()
+ end
+
+ STMP.lcdif.init()
+ STMP.lcdif.set_system_timing(2, 2, 2, 2)
+ STMP.lcdif.set_reset(1)
+ STMP.lcdif.set_reset(0)
+ STMP.lcdif.set_reset(1)
+
+ ZENV.lcd_send({0xca}, {0x7f})
+ ZENV.lcd_send({0xa0}, {0x75})
+ ZENV.lcd_send({0xc7}, {0x08})
+ ZENV.lcd_send({0xbe}, {0x18})
+ ZENV.lcd_send({0xc1}, {0x7b, 0x69, 0x9f})
+ ZENV.lcd_send({0xb1}, {0x1f})
+ ZENV.lcd_send({0xb3}, {0x80})
+ ZENV.lcd_send({0xbb}, {0x00, 0x00, 0x00})
+ ZENV.lcd_send({0xad}, {0x8a})
+ ZENV.lcd_send({0xb0}, {0x00})
+ ZENV.lcd_send({0xd1}, {0x02})
+ ZENV.lcd_send({0xb9}, {})
+ ZENV.lcd_send({0x92}, {0x01})
+ ZENV.lcd_send({0xa2}, {0x80})
+ ZENV.lcd_send({0x9e}, {})
+ ZENV.lcd_send({0xa6}, {})
+ ZENV.lcd_send({0xaf}, {})
+end
+
+function ZENV.init()
+ ZENV.lcd_init()
+end