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 
202