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