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path: root/utils/hwstub/tools/lua/stmp/lcdif.lua
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Diffstat (limited to 'utils/hwstub/tools/lua/stmp/lcdif.lua')
-rw-r--r--utils/hwstub/tools/lua/stmp/lcdif.lua50
1 files changed, 46 insertions, 4 deletions
diff --git a/utils/hwstub/tools/lua/stmp/lcdif.lua b/utils/hwstub/tools/lua/stmp/lcdif.lua
index 0878cb1139..a2f085e166 100644
--- a/utils/hwstub/tools/lua/stmp/lcdif.lua
+++ b/utils/hwstub/tools/lua/stmp/lcdif.lua
@@ -29,6 +29,18 @@ function STMP.lcdif.set_reset(val)
29 end 29 end
30end 30end
31 31
32function STMP.lcdif.set_databus_width(bus_width)
33 local v = 0
34 if bus_width == 8 then
35 v = 1
36 elseif bus_width == 18 then
37 v = 2
38 elseif bus_width == 24 then
39 v = 3
40 end
41 HW.LCDIF.CTRL.LCD_DATABUS_WIDTH.write(v)
42end
43
32function STMP.lcdif.set_word_length(bus_width) 44function STMP.lcdif.set_word_length(bus_width)
33 if STMP.is_stmp3600() or STMP.is_stmp3700() then 45 if STMP.is_stmp3600() or STMP.is_stmp3700() then
34 if bus_width == 8 then 46 if bus_width == 8 then
@@ -37,7 +49,15 @@ function STMP.lcdif.set_word_length(bus_width)
37 HW.LCDIF.CTRL.WORD_LENGTH.clr() 49 HW.LCDIF.CTRL.WORD_LENGTH.clr()
38 end 50 end
39 else 51 else
40 error("STMP.lcdif.set_word_length: unimplemented") 52 local v = 0
53 if bus_width == 8 then
54 v = 1
55 elseif bus_width == 18 then
56 v = 2
57 elseif bus_width == 24 then
58 v = 3
59 end
60 HW.LCDIF.CTRL.WORD_LENGTH.write(v)
41 end 61 end
42end 62end
43 63
@@ -49,7 +69,11 @@ function STMP.lcdif.get_word_length()
49 return 16 69 return 16
50 end 70 end
51 else 71 else
52 error("STMP.lcdif.get_word_length: unimplemented") 72 local v = HW.LCDIF.CTRL.WORD_LENGTH.read()
73 if v == 0 then return 16
74 elseif v == 1 then return 8
75 elseif v == 2 then return 18
76 else return 24 end
53 end 77 end
54end 78end
55 79
@@ -62,7 +86,11 @@ function STMP.lcdif.set_data_swizzle(swizzle)
62 error("unimplemented") 86 error("unimplemented")
63 end 87 end
64 end 88 end
65 HW.LCDIF.CTRL.DATA_SWIZZLE.write(v) 89 if STMP.is_stmp3600() or STMP.is_stmp3700() then
90 HW.LCDIF.CTRL.DATA_SWIZZLE.write(v)
91 else
92 HW.LCDIF.CTRL.INPUT_DATA_SWIZZLE.write(v)
93 end
66end 94end
67 95
68function STMP.lcdif.is_busy() 96function STMP.lcdif.is_busy()
@@ -73,6 +101,11 @@ function STMP.lcdif.is_busy()
73 end 101 end
74end 102end
75 103
104function STMP.lcdif.wait_ready()
105 while HW.LCDIF.CTRL.RUN.read() == 1 do
106 end
107end
108
76function STMP.lcdif.send_pio(data_mode, data) 109function STMP.lcdif.send_pio(data_mode, data)
77 local wl = STMP.lcdif.get_word_length() 110 local wl = STMP.lcdif.get_word_length()
78 if data_mode then 111 if data_mode then
@@ -81,8 +114,16 @@ function STMP.lcdif.send_pio(data_mode, data)
81 HW.LCDIF.CTRL.DATA_SELECT.clr() 114 HW.LCDIF.CTRL.DATA_SELECT.clr()
82 end 115 end
83 STMP.debug(string.format("lcdif: count = %d", #data)) 116 STMP.debug(string.format("lcdif: count = %d", #data))
117 if STMP.is_imx233() then
118 HW.LCDIF.CTRL.LCDIF_MASTER.clr()
119 end
84 HW.LCDIF.CTRL.RUN.clr() 120 HW.LCDIF.CTRL.RUN.clr()
85 HW.LCDIF.CTRL.COUNT.write(#data) 121 if STMP.is_stmp3600() or STMP.is_stmp3700() then
122 HW.LCDIF.CTRL.COUNT.write(#data)
123 else
124 HW.LCDIF.TRANSFER_COUNT.V_COUNT.write(1)
125 HW.LCDIF.TRANSFER_COUNT.H_COUNT.write(#data)
126 end
86 HW.LCDIF.CTRL.RUN.set() 127 HW.LCDIF.CTRL.RUN.set()
87 local i = 1 128 local i = 1
88 while i <= #data do 129 while i <= #data do
@@ -97,4 +138,5 @@ function STMP.lcdif.send_pio(data_mode, data)
97 while STMP.lcdif.is_busy() do STMP.debug("lcdif: fifo full") end 138 while STMP.lcdif.is_busy() do STMP.debug("lcdif: fifo full") end
98 HW.LCDIF.DATA.write(v) 139 HW.LCDIF.DATA.write(v)
99 end 140 end
141 STMP.lcdif.wait_ready()
100end \ No newline at end of file 142end \ No newline at end of file