1/* SPDX-License-Identifier: GPL-2.0-only */
2/* include/video/ili9320.c
3 *
4 * ILI9320 LCD controller configuration control.
5 *
6 * Copyright 2007 Simtec Electronics
7 *	Ben Dooks <ben@simtec.co.uk>
8 *
9 * http://armlinux.simtec.co.uk/
10*/
11
12#define ILI9320_REG(x)	(x)
13
14#define ILI9320_INDEX			ILI9320_REG(0x00)
15
16#define ILI9320_OSCILATION		ILI9320_REG(0x00)
17#define ILI9320_DRIVER			ILI9320_REG(0x01)
18#define ILI9320_DRIVEWAVE		ILI9320_REG(0x02)
19#define ILI9320_ENTRYMODE		ILI9320_REG(0x03)
20#define ILI9320_RESIZING		ILI9320_REG(0x04)
21#define ILI9320_DISPLAY1		ILI9320_REG(0x07)
22#define ILI9320_DISPLAY2		ILI9320_REG(0x08)
23#define ILI9320_DISPLAY3		ILI9320_REG(0x09)
24#define ILI9320_DISPLAY4		ILI9320_REG(0x0A)
25#define ILI9320_RGB_IF1			ILI9320_REG(0x0C)
26#define ILI9320_FRAMEMAKER		ILI9320_REG(0x0D)
27#define ILI9320_RGB_IF2			ILI9320_REG(0x0F)
28
29#define ILI9320_POWER1			ILI9320_REG(0x10)
30#define ILI9320_POWER2			ILI9320_REG(0x11)
31#define ILI9320_POWER3			ILI9320_REG(0x12)
32#define ILI9320_POWER4			ILI9320_REG(0x13)
33#define ILI9320_GRAM_HORIZ_ADDR		ILI9320_REG(0x20)
34#define ILI9320_GRAM_VERT_ADD		ILI9320_REG(0x21)
35#define ILI9320_POWER7			ILI9320_REG(0x29)
36#define ILI9320_FRAME_RATE_COLOUR	ILI9320_REG(0x2B)
37
38#define ILI9320_GAMMA1			ILI9320_REG(0x30)
39#define ILI9320_GAMMA2			ILI9320_REG(0x31)
40#define ILI9320_GAMMA3			ILI9320_REG(0x32)
41#define ILI9320_GAMMA4			ILI9320_REG(0x35)
42#define ILI9320_GAMMA5			ILI9320_REG(0x36)
43#define ILI9320_GAMMA6			ILI9320_REG(0x37)
44#define ILI9320_GAMMA7			ILI9320_REG(0x38)
45#define ILI9320_GAMMA8			ILI9320_REG(0x39)
46#define ILI9320_GAMMA9			ILI9320_REG(0x3C)
47#define ILI9320_GAMMA10			ILI9320_REG(0x3D)
48
49#define ILI9320_HORIZ_START		ILI9320_REG(0x50)
50#define ILI9320_HORIZ_END		ILI9320_REG(0x51)
51#define ILI9320_VERT_START		ILI9320_REG(0x52)
52#define ILI9320_VERT_END		ILI9320_REG(0x53)
53
54#define ILI9320_DRIVER2			ILI9320_REG(0x60)
55#define ILI9320_BASE_IMAGE		ILI9320_REG(0x61)
56#define ILI9320_VERT_SCROLL		ILI9320_REG(0x6a)
57
58#define ILI9320_PARTIAL1_POSITION	ILI9320_REG(0x80)
59#define ILI9320_PARTIAL1_START		ILI9320_REG(0x81)
60#define ILI9320_PARTIAL1_END		ILI9320_REG(0x82)
61#define ILI9320_PARTIAL2_POSITION	ILI9320_REG(0x83)
62#define ILI9320_PARTIAL2_START		ILI9320_REG(0x84)
63#define ILI9320_PARTIAL2_END		ILI9320_REG(0x85)
64
65#define ILI9320_INTERFACE1		ILI9320_REG(0x90)
66#define ILI9320_INTERFACE2		ILI9320_REG(0x92)
67#define ILI9320_INTERFACE3		ILI9320_REG(0x93)
68#define ILI9320_INTERFACE4		ILI9320_REG(0x95)
69#define ILI9320_INTERFACE5		ILI9320_REG(0x97)
70#define ILI9320_INTERFACE6		ILI9320_REG(0x98)
71
72/* Register contents definitions. */
73
74#define ILI9320_OSCILATION_OSC		(1 << 0)
75
76#define ILI9320_DRIVER_SS		(1 << 8)
77#define ILI9320_DRIVER_SM		(1 << 10)
78
79#define ILI9320_DRIVEWAVE_EOR		(1 << 8)
80#define ILI9320_DRIVEWAVE_BC		(1 << 9)
81#define ILI9320_DRIVEWAVE_MUSTSET	(1 << 10)
82
83#define ILI9320_ENTRYMODE_AM		(1 << 3)
84#define ILI9320_ENTRYMODE_ID(x)		((x) << 4)
85#define ILI9320_ENTRYMODE_ORG		(1 << 7)
86#define ILI9320_ENTRYMODE_HWM		(1 << 8)
87#define ILI9320_ENTRYMODE_BGR		(1 << 12)
88#define ILI9320_ENTRYMODE_DFM		(1 << 14)
89#define ILI9320_ENTRYMODE_TRI		(1 << 15)
90
91
92#define ILI9320_RESIZING_RSZ(x)		((x) << 0)
93#define ILI9320_RESIZING_RCH(x)		((x) << 4)
94#define ILI9320_RESIZING_RCV(x)		((x) << 8)
95
96
97#define ILI9320_DISPLAY1_D(x)		((x) << 0)
98#define ILI9320_DISPLAY1_CL		(1 << 3)
99#define ILI9320_DISPLAY1_DTE		(1 << 4)
100#define ILI9320_DISPLAY1_GON		(1 << 5)
101#define ILI9320_DISPLAY1_BASEE		(1 << 8)
102#define ILI9320_DISPLAY1_PTDE(x)	((x) << 12)
103
104
105#define ILI9320_DISPLAY2_BP(x)		((x) << 0)
106#define ILI9320_DISPLAY2_FP(x)		((x) << 8)
107
108
109#define ILI9320_RGBIF1_RIM_RGB18	(0 << 0)
110#define ILI9320_RGBIF1_RIM_RGB16	(1 << 0)
111#define ILI9320_RGBIF1_RIM_RGB6		(2 << 0)
112
113#define ILI9320_RGBIF1_CLK_INT		(0 << 4)
114#define ILI9320_RGBIF1_CLK_RGBIF	(1 << 4)
115#define ILI9320_RGBIF1_CLK_VSYNC	(2 << 4)
116
117#define ILI9320_RGBIF1_RM		(1 << 8)
118
119#define ILI9320_RGBIF1_ENC_FRAMES(x)	(((x) - 1)<< 13)
120
121#define ILI9320_RGBIF2_DPL		(1 << 0)
122#define ILI9320_RGBIF2_EPL		(1 << 1)
123#define ILI9320_RGBIF2_HSPL		(1 << 3)
124#define ILI9320_RGBIF2_VSPL		(1 << 4)
125
126
127#define ILI9320_POWER1_SLP		(1 << 1)
128#define ILI9320_POWER1_DSTB		(1 << 2)
129#define ILI9320_POWER1_AP(x)		((x) << 4)
130#define ILI9320_POWER1_APE		(1 << 7)
131#define ILI9320_POWER1_BT(x)		((x) << 8)
132#define ILI9320_POWER1_SAP		(1 << 12)
133
134
135#define ILI9320_POWER2_VC(x)		((x) << 0)
136#define ILI9320_POWER2_DC0(x)		((x) << 4)
137#define ILI9320_POWER2_DC1(x)		((x) << 8)
138
139
140#define ILI9320_POWER3_VRH(x)		((x) << 0)
141#define ILI9320_POWER3_PON		(1 << 4)
142#define ILI9320_POWER3_VCMR		(1 << 8)
143
144
145#define ILI9320_POWER4_VREOUT(x)	((x) << 8)
146
147
148#define ILI9320_DRIVER2_SCNL(x)		((x) << 0)
149#define ILI9320_DRIVER2_NL(x)		((x) << 8)
150#define ILI9320_DRIVER2_GS		(1 << 15)
151
152
153#define ILI9320_BASEIMAGE_REV		(1 << 0)
154#define ILI9320_BASEIMAGE_VLE		(1 << 1)
155#define ILI9320_BASEIMAGE_NDL		(1 << 2)
156
157
158#define ILI9320_INTERFACE4_RTNE(x)	(x)
159#define ILI9320_INTERFACE4_DIVE(x)	((x) << 8)
160
161/* SPI interface definitions */
162
163#define ILI9320_SPI_IDCODE		(0x70)
164#define ILI9320_SPI_ID(x)		((x) << 2)
165#define ILI9320_SPI_READ		(0x01)
166#define ILI9320_SPI_WRITE		(0x00)
167#define ILI9320_SPI_DATA		(0x02)
168#define ILI9320_SPI_INDEX		(0x00)
169
170/* platform data to pass configuration from lcd */
171
172enum ili9320_suspend {
173	ILI9320_SUSPEND_OFF,
174	ILI9320_SUSPEND_DEEP,
175};
176
177struct ili9320_platdata {
178	unsigned short	hsize;
179	unsigned short	vsize;
180
181	enum ili9320_suspend suspend;
182
183	/* set the reset line, 0 = reset asserted, 1 = normal */
184	void		(*reset)(unsigned int val);
185
186	unsigned short	entry_mode;
187	unsigned short	display2;
188	unsigned short	display3;
189	unsigned short	display4;
190	unsigned short	rgb_if1;
191	unsigned short	rgb_if2;
192	unsigned short	interface2;
193	unsigned short	interface3;
194	unsigned short	interface4;
195	unsigned short	interface5;
196	unsigned short	interface6;
197};
198
199