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1 | /* include/video/ili9320.c |
2 | * | |
3 | * ILI9320 LCD controller configuration control. | |
4 | * | |
5 | * Copyright 2007 Simtec Electronics | |
6 | * Ben Dooks <ben@simtec.co.uk> | |
7 | * | |
8 | * http://armlinux.simtec.co.uk/ | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | #define ILI9320_REG(x) (x) | |
16 | ||
17 | #define ILI9320_INDEX ILI9320_REG(0x00) | |
18 | ||
19 | #define ILI9320_OSCILATION ILI9320_REG(0x00) | |
20 | #define ILI9320_DRIVER ILI9320_REG(0x01) | |
21 | #define ILI9320_DRIVEWAVE ILI9320_REG(0x02) | |
22 | #define ILI9320_ENTRYMODE ILI9320_REG(0x03) | |
23 | #define ILI9320_RESIZING ILI9320_REG(0x04) | |
24 | #define ILI9320_DISPLAY1 ILI9320_REG(0x07) | |
25 | #define ILI9320_DISPLAY2 ILI9320_REG(0x08) | |
26 | #define ILI9320_DISPLAY3 ILI9320_REG(0x09) | |
27 | #define ILI9320_DISPLAY4 ILI9320_REG(0x0A) | |
28 | #define ILI9320_RGB_IF1 ILI9320_REG(0x0C) | |
29 | #define ILI9320_FRAMEMAKER ILI9320_REG(0x0D) | |
30 | #define ILI9320_RGB_IF2 ILI9320_REG(0x0F) | |
31 | ||
32 | #define ILI9320_POWER1 ILI9320_REG(0x10) | |
33 | #define ILI9320_POWER2 ILI9320_REG(0x11) | |
34 | #define ILI9320_POWER3 ILI9320_REG(0x12) | |
35 | #define ILI9320_POWER4 ILI9320_REG(0x13) | |
36 | #define ILI9320_GRAM_HORIZ_ADDR ILI9320_REG(0x20) | |
37 | #define ILI9320_GRAM_VERT_ADD ILI9320_REG(0x21) | |
38 | #define ILI9320_POWER7 ILI9320_REG(0x29) | |
39 | #define ILI9320_FRAME_RATE_COLOUR ILI9320_REG(0x2B) | |
40 | ||
41 | #define ILI9320_GAMMA1 ILI9320_REG(0x30) | |
42 | #define ILI9320_GAMMA2 ILI9320_REG(0x31) | |
43 | #define ILI9320_GAMMA3 ILI9320_REG(0x32) | |
44 | #define ILI9320_GAMMA4 ILI9320_REG(0x35) | |
45 | #define ILI9320_GAMMA5 ILI9320_REG(0x36) | |
46 | #define ILI9320_GAMMA6 ILI9320_REG(0x37) | |
47 | #define ILI9320_GAMMA7 ILI9320_REG(0x38) | |
48 | #define ILI9320_GAMMA8 ILI9320_REG(0x39) | |
49 | #define ILI9320_GAMMA9 ILI9320_REG(0x3C) | |
50 | #define ILI9320_GAMMA10 ILI9320_REG(0x3D) | |
51 | ||
52 | #define ILI9320_HORIZ_START ILI9320_REG(0x50) | |
53 | #define ILI9320_HORIZ_END ILI9320_REG(0x51) | |
54 | #define ILI9320_VERT_START ILI9320_REG(0x52) | |
55 | #define ILI9320_VERT_END ILI9320_REG(0x53) | |
56 | ||
57 | #define ILI9320_DRIVER2 ILI9320_REG(0x60) | |
58 | #define ILI9320_BASE_IMAGE ILI9320_REG(0x61) | |
59 | #define ILI9320_VERT_SCROLL ILI9320_REG(0x6a) | |
60 | ||
61 | #define ILI9320_PARTIAL1_POSITION ILI9320_REG(0x80) | |
62 | #define ILI9320_PARTIAL1_START ILI9320_REG(0x81) | |
63 | #define ILI9320_PARTIAL1_END ILI9320_REG(0x82) | |
64 | #define ILI9320_PARTIAL2_POSITION ILI9320_REG(0x83) | |
65 | #define ILI9320_PARTIAL2_START ILI9320_REG(0x84) | |
66 | #define ILI9320_PARTIAL2_END ILI9320_REG(0x85) | |
67 | ||
68 | #define ILI9320_INTERFACE1 ILI9320_REG(0x90) | |
69 | #define ILI9320_INTERFACE2 ILI9320_REG(0x92) | |
70 | #define ILI9320_INTERFACE3 ILI9320_REG(0x93) | |
71 | #define ILI9320_INTERFACE4 ILI9320_REG(0x95) | |
72 | #define ILI9320_INTERFACE5 ILI9320_REG(0x97) | |
73 | #define ILI9320_INTERFACE6 ILI9320_REG(0x98) | |
74 | ||
75 | /* Register contents definitions. */ | |
76 | ||
77 | #define ILI9320_OSCILATION_OSC (1 << 0) | |
78 | ||
79 | #define ILI9320_DRIVER_SS (1 << 8) | |
80 | #define ILI9320_DRIVER_SM (1 << 10) | |
81 | ||
82 | #define ILI9320_DRIVEWAVE_EOR (1 << 8) | |
83 | #define ILI9320_DRIVEWAVE_BC (1 << 9) | |
84 | #define ILI9320_DRIVEWAVE_MUSTSET (1 << 10) | |
85 | ||
86 | #define ILI9320_ENTRYMODE_AM (1 << 3) | |
87 | #define ILI9320_ENTRYMODE_ID(x) ((x) << 4) | |
88 | #define ILI9320_ENTRYMODE_ORG (1 << 7) | |
89 | #define ILI9320_ENTRYMODE_HWM (1 << 8) | |
90 | #define ILI9320_ENTRYMODE_BGR (1 << 12) | |
91 | #define ILI9320_ENTRYMODE_DFM (1 << 14) | |
92 | #define ILI9320_ENTRYMODE_TRI (1 << 15) | |
93 | ||
94 | ||
95 | #define ILI9320_RESIZING_RSZ(x) ((x) << 0) | |
96 | #define ILI9320_RESIZING_RCH(x) ((x) << 4) | |
97 | #define ILI9320_RESIZING_RCV(x) ((x) << 8) | |
98 | ||
99 | ||
100 | #define ILI9320_DISPLAY1_D(x) ((x) << 0) | |
101 | #define ILI9320_DISPLAY1_CL (1 << 3) | |
102 | #define ILI9320_DISPLAY1_DTE (1 << 4) | |
103 | #define ILI9320_DISPLAY1_GON (1 << 5) | |
104 | #define ILI9320_DISPLAY1_BASEE (1 << 8) | |
105 | #define ILI9320_DISPLAY1_PTDE(x) ((x) << 12) | |
106 | ||
107 | ||
108 | #define ILI9320_DISPLAY2_BP(x) ((x) << 0) | |
109 | #define ILI9320_DISPLAY2_FP(x) ((x) << 8) | |
110 | ||
111 | ||
112 | #define ILI9320_RGBIF1_RIM_RGB18 (0 << 0) | |
113 | #define ILI9320_RGBIF1_RIM_RGB16 (1 << 0) | |
114 | #define ILI9320_RGBIF1_RIM_RGB6 (2 << 0) | |
115 | ||
116 | #define ILI9320_RGBIF1_CLK_INT (0 << 4) | |
117 | #define ILI9320_RGBIF1_CLK_RGBIF (1 << 4) | |
118 | #define ILI9320_RGBIF1_CLK_VSYNC (2 << 4) | |
119 | ||
120 | #define ILI9320_RGBIF1_RM (1 << 8) | |
121 | ||
122 | #define ILI9320_RGBIF1_ENC_FRAMES(x) (((x) - 1)<< 13) | |
123 | ||
124 | #define ILI9320_RGBIF2_DPL (1 << 0) | |
125 | #define ILI9320_RGBIF2_EPL (1 << 1) | |
126 | #define ILI9320_RGBIF2_HSPL (1 << 3) | |
127 | #define ILI9320_RGBIF2_VSPL (1 << 4) | |
128 | ||
129 | ||
130 | #define ILI9320_POWER1_SLP (1 << 1) | |
131 | #define ILI9320_POWER1_DSTB (1 << 2) | |
132 | #define ILI9320_POWER1_AP(x) ((x) << 4) | |
133 | #define ILI9320_POWER1_APE (1 << 7) | |
134 | #define ILI9320_POWER1_BT(x) ((x) << 8) | |
135 | #define ILI9320_POWER1_SAP (1 << 12) | |
136 | ||
137 | ||
138 | #define ILI9320_POWER2_VC(x) ((x) << 0) | |
139 | #define ILI9320_POWER2_DC0(x) ((x) << 4) | |
140 | #define ILI9320_POWER2_DC1(x) ((x) << 8) | |
141 | ||
142 | ||
143 | #define ILI9320_POWER3_VRH(x) ((x) << 0) | |
144 | #define ILI9320_POWER3_PON (1 << 4) | |
145 | #define ILI9320_POWER3_VCMR (1 << 8) | |
146 | ||
147 | ||
148 | #define ILI9320_POWER4_VREOUT(x) ((x) << 8) | |
149 | ||
150 | ||
151 | #define ILI9320_DRIVER2_SCNL(x) ((x) << 0) | |
152 | #define ILI9320_DRIVER2_NL(x) ((x) << 8) | |
153 | #define ILI9320_DRIVER2_GS (1 << 15) | |
154 | ||
155 | ||
156 | #define ILI9320_BASEIMAGE_REV (1 << 0) | |
157 | #define ILI9320_BASEIMAGE_VLE (1 << 1) | |
158 | #define ILI9320_BASEIMAGE_NDL (1 << 2) | |
159 | ||
160 | ||
161 | #define ILI9320_INTERFACE4_RTNE(x) (x) | |
162 | #define ILI9320_INTERFACE4_DIVE(x) ((x) << 8) | |
163 | ||
164 | /* SPI interface definitions */ | |
165 | ||
166 | #define ILI9320_SPI_IDCODE (0x70) | |
167 | #define ILI9320_SPI_ID(x) ((x) << 2) | |
168 | #define ILI9320_SPI_READ (0x01) | |
169 | #define ILI9320_SPI_WRITE (0x00) | |
170 | #define ILI9320_SPI_DATA (0x02) | |
171 | #define ILI9320_SPI_INDEX (0x00) | |
172 | ||
173 | /* platform data to pass configuration from lcd */ | |
174 | ||
175 | enum ili9320_suspend { | |
176 | ILI9320_SUSPEND_OFF, | |
177 | ILI9320_SUSPEND_DEEP, | |
178 | }; | |
179 | ||
180 | struct ili9320_platdata { | |
181 | unsigned short hsize; | |
182 | unsigned short vsize; | |
183 | ||
184 | enum ili9320_suspend suspend; | |
185 | ||
186 | /* set the reset line, 0 = reset asserted, 1 = normal */ | |
187 | void (*reset)(unsigned int val); | |
188 | ||
189 | unsigned short entry_mode; | |
190 | unsigned short display2; | |
191 | unsigned short display3; | |
192 | unsigned short display4; | |
193 | unsigned short rgb_if1; | |
194 | unsigned short rgb_if2; | |
195 | unsigned short interface2; | |
196 | unsigned short interface3; | |
197 | unsigned short interface4; | |
198 | unsigned short interface5; | |
199 | unsigned short interface6; | |
200 | }; | |
201 |