1 files changed, 145 insertions, 0 deletions
diff --git a/utils/hwstub/tools/lua/fiiox1.lua b/utils/hwstub/tools/lua/fiiox1.lua
new file mode 100644
index 0000000000..c038f4077b
--- /dev/null
+++ b/utils/hwstub/tools/lua/fiiox1.lua
@@ -0,0 +1,145 @@
+--
+-- Fiio X1
+--
+FIIOX1 = {}
+
+-- 0 is PF3, 1 is PE1
+function FIIOX1.get_backlight_type()
+    return FIIOX1.bl_type
+end
+
+-- 0 is V2, 1 is V1
+function FIIOX1.get_hw_type()
+    return FIIOX1.hw_type
+end
+
+function FIIOX1.hw_detect()
+    -- PA12 is used to detect hardware version
+    JZ.gpio.pin(0, 12).std_gpio_out(1)
+    FIIOX1.hw_type = JZ.gpio.pin(0, 12).read()
+    -- PA13 is used to detect backlight type
+    JZ.gpio.pin(0, 13).std_gpio_out(1)
+    FIIOX1.bl_type = JZ.gpio.pin(0, 13).read()
+
+    if FIIOX1.hw_type == 1 then
+        print("Fiio X1: hardware version: V01")
+    else
+        print("Fiio X1: hardware version: V02")
+    end
+    print(string.format("Fiio X1: backlight type: %s", FIIOX1.bl_type))
+end
+
+function FIIOX1.get_backlight_pin()
+    if FIIOX1.get_backlight_type() == 0 then
+        -- PF3
+        return JZ.gpio.pin(5, 3)
+    else
+        -- PE1
+        return JZ.gpio.pin(4, 1)
+    end
+end
+
+function FIIOX1.init_backligt()
+    -- setup as output, high level to make no change
+    FIIOX1.get_backlight_pin().std_gpio_out(1)
+end
+
+function FIIOX1.enable_backlight(en)
+    local pin = FIIOX1.get_backlight_pin()
+    pin.clr()
+    hwstub.mdelay(1)
+    if en then
+        pin.set()
+    end
+end
+
+function FIIOX1.test_backlight()
+    print("backlight test")
+    print("enable backlight")
+    FIIOX1.enable_backlight(true)
+    print("sleep for 1 sec")
+    hwstub.mdelay(1000)
+    print("disable backlight")
+    FIIOX1.enable_backlight(false)
+    print("sleep for 1 sec")
+    hwstub.mdelay(1000)
+    print("enable backlight")
+    FIIOX1.enable_backlight(true)
+end
+
+function FIIOX1.setup_fiio_lcd_pins()
+    -- PE4: reset pin
+    JZ.gpio.pin(4, 4).std_gpio_out(1)
+    -- PC9: unknown
+    JZ.gpio.pin(2, 9).std_gpio_out(0)
+    -- PC2: unknown
+    JZ.gpio.pin(2, 2).std_gpio_out(1)
+    -- PF0: unknown
+    JZ.gpio.pin(5, 0).std_gpio_out(1)
+end
+
+function FIIOX1.lcd_reset()
+    local pin = JZ.gpio.pin(4, 4)
+    pin.set()
+    hwstub.mdelay(50)
+    pin.clr()
+    hwstub.mdelay(50)
+    pin.set()
+    hwstub.mdelay(150)
+end
+
+function FIIOX1.init_lcd()
+    -- setup Fiio X1 specific pins
+    FIIOX1.setup_fiio_lcd_pins()
+    -- reset lcd
+    JZ.lcd_reset()
+end
+
+-- call with nil to get automatic name
+function FIIOX1.dump_ipl(file)
+    FIIOX1.hw_detect()
+    if file == nil then
+        file = "fiiox1_ipl_hw_v" .. FIIOX1.hw_type .. ".bin"
+    end
+    print("Dumping IPL to " .. file .." ...")
+    JZ.nand.rom.init()
+    JZ.nand.rom.read_flags()
+    local ipl = JZ.nand.rom.read_bootloader()
+    JZ.nand.rom.write_to_file(file, ipl)
+end
+
+-- call with nil to get automatic name
+function FIIOX1.dump_spl(file)
+    FIIOX1.hw_detect()
+    if file == nil then
+        file = "fiiox1_spl_hw_v" .. FIIOX1.hw_type .. ".bin"
+    end
+    print("Dumping SPL to " .. file .." ...")
+    -- hardcoded parameters are specific to the Fiio X1
+    local nand_params = {
+        bus_width = 16,
+        row_cycle = 2,
+        col_cycle = 2,
+        page_size = 2048,
+        page_per_block = 64,
+        oob_size = 64,
+        badblock_pos = 0,
+        badblock_page = 0,
+        ecc_pos = 4,
+        ecc_size = 13,
+        ecc_level = 8,
+        addr_setup_time = 4,
+        addr_hold_time = 4,
+        write_strobe_time = 4,
+        read_strobe_time = 4,
+        recovery_time = 13,
+    }
+    local spl = JZ.nand.rom.read_spl(nand_params, 0x400, 0x200)
+    JZ.nand.rom.write_to_file(file, spl)
+end
+
+function FIIOX1.init()
+    FIIOX1.init_backligt()
+    FIIOX1.test_backlight()
+    FIIOX1.init_lcd()
+end