1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
--
-- 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
FIIOX1.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.hw_detect()
FIIOX1.init_backligt()
FIIOX1.test_backlight()
FIIOX1.init_lcd()
end
|
