1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2003 Simtec Electronics <linux@simtec.co.uk>
4 * http://www.simtec.co.uk/products/SWLINUX/
7 #ifndef ___ASM_ARCH_REGS_LCD_H
8 #define ___ASM_ARCH_REGS_LCD_H
11 * a couple of values are used as platform data in
12 * include/linux/platform_data/fb-s3c2410.h and not
15 #include <linux/platform_data/fb-s3c2410.h>
17 #define S3C2410_LCDREG(x) (x)
19 /* LCD control registers */
20 #define S3C2410_LCDCON1 S3C2410_LCDREG(0x00)
21 #define S3C2410_LCDCON2 S3C2410_LCDREG(0x04)
22 #define S3C2410_LCDCON3 S3C2410_LCDREG(0x08)
23 #define S3C2410_LCDCON4 S3C2410_LCDREG(0x0C)
24 #define S3C2410_LCDCON5 S3C2410_LCDREG(0x10)
26 #define S3C2410_LCDCON1_CLKVAL(x) ((x) << 8)
27 #define S3C2410_LCDCON1_MMODE (1<<7)
28 #define S3C2410_LCDCON1_DSCAN4 (0<<5)
29 #define S3C2410_LCDCON1_STN4 (1<<5)
30 #define S3C2410_LCDCON1_STN8 (2<<5)
31 #define S3C2410_LCDCON1_TFT (3<<5)
33 #define S3C2410_LCDCON1_STN1BPP (0<<1)
34 #define S3C2410_LCDCON1_STN2GREY (1<<1)
35 #define S3C2410_LCDCON1_STN4GREY (2<<1)
36 #define S3C2410_LCDCON1_STN8BPP (3<<1)
37 #define S3C2410_LCDCON1_STN12BPP (4<<1)
39 #define S3C2410_LCDCON1_ENVID (1)
41 #define S3C2410_LCDCON1_MODEMASK 0x1E
43 #define S3C2410_LCDCON2_VBPD(x) ((x) << 24)
44 #define S3C2410_LCDCON2_LINEVAL(x) ((x) << 14)
45 #define S3C2410_LCDCON2_VFPD(x) ((x) << 6)
46 #define S3C2410_LCDCON2_VSPW(x) ((x) << 0)
48 #define S3C2410_LCDCON2_GET_VBPD(x) ( ((x) >> 24) & 0xFF)
49 #define S3C2410_LCDCON2_GET_VFPD(x) ( ((x) >> 6) & 0xFF)
50 #define S3C2410_LCDCON2_GET_VSPW(x) ( ((x) >> 0) & 0x3F)
52 #define S3C2410_LCDCON3_HBPD(x) ((x) << 19)
53 #define S3C2410_LCDCON3_WDLY(x) ((x) << 19)
54 #define S3C2410_LCDCON3_HOZVAL(x) ((x) << 8)
55 #define S3C2410_LCDCON3_HFPD(x) ((x) << 0)
56 #define S3C2410_LCDCON3_LINEBLANK(x)((x) << 0)
58 #define S3C2410_LCDCON3_GET_HBPD(x) ( ((x) >> 19) & 0x7F)
59 #define S3C2410_LCDCON3_GET_HFPD(x) ( ((x) >> 0) & 0xFF)
61 /* LDCCON4 changes for STN mode on the S3C2412 */
63 #define S3C2410_LCDCON4_MVAL(x) ((x) << 8)
64 #define S3C2410_LCDCON4_HSPW(x) ((x) << 0)
65 #define S3C2410_LCDCON4_WLH(x) ((x) << 0)
67 #define S3C2410_LCDCON4_GET_HSPW(x) ( ((x) >> 0) & 0xFF)
69 /* framebuffer start addressed */
70 #define S3C2410_LCDSADDR1 S3C2410_LCDREG(0x14)
71 #define S3C2410_LCDSADDR2 S3C2410_LCDREG(0x18)
72 #define S3C2410_LCDSADDR3 S3C2410_LCDREG(0x1C)
74 #define S3C2410_LCDBANK(x) ((x) << 21)
75 #define S3C2410_LCDBASEU(x) (x)
77 #define S3C2410_OFFSIZE(x) ((x) << 11)
78 #define S3C2410_PAGEWIDTH(x) (x)
80 /* colour lookup and miscellaneous controls */
82 #define S3C2410_REDLUT S3C2410_LCDREG(0x20)
83 #define S3C2410_GREENLUT S3C2410_LCDREG(0x24)
84 #define S3C2410_BLUELUT S3C2410_LCDREG(0x28)
86 #define S3C2410_DITHMODE S3C2410_LCDREG(0x4C)
87 #define S3C2410_TPAL S3C2410_LCDREG(0x50)
89 #define S3C2410_TPAL_EN (1<<24)
92 #define S3C2410_LCDINTPND S3C2410_LCDREG(0x54)
93 #define S3C2410_LCDSRCPND S3C2410_LCDREG(0x58)
94 #define S3C2410_LCDINTMSK S3C2410_LCDREG(0x5C)
95 #define S3C2410_LCDINT_FIWSEL (1<<2)
96 #define S3C2410_LCDINT_FRSYNC (1<<1)
97 #define S3C2410_LCDINT_FICNT (1<<0)
99 /* s3c2442 extra stn registers */
101 #define S3C2442_REDLUT S3C2410_LCDREG(0x20)
102 #define S3C2442_GREENLUT S3C2410_LCDREG(0x24)
103 #define S3C2442_BLUELUT S3C2410_LCDREG(0x28)
104 #define S3C2442_DITHMODE S3C2410_LCDREG(0x20)
106 #define S3C2410_LPCSEL S3C2410_LCDREG(0x60)
108 #define S3C2410_TFTPAL(x) S3C2410_LCDREG((0x400 + (x)*4))
110 /* S3C2412 registers */
112 #define S3C2412_TPAL S3C2410_LCDREG(0x20)
114 #define S3C2412_LCDINTPND S3C2410_LCDREG(0x24)
115 #define S3C2412_LCDSRCPND S3C2410_LCDREG(0x28)
116 #define S3C2412_LCDINTMSK S3C2410_LCDREG(0x2C)
118 #define S3C2412_TCONSEL S3C2410_LCDREG(0x30)
120 #define S3C2412_LCDCON6 S3C2410_LCDREG(0x34)
121 #define S3C2412_LCDCON7 S3C2410_LCDREG(0x38)
122 #define S3C2412_LCDCON8 S3C2410_LCDREG(0x3C)
123 #define S3C2412_LCDCON9 S3C2410_LCDREG(0x40)
125 #define S3C2412_REDLUT(x) S3C2410_LCDREG(0x44 + ((x)*4))
126 #define S3C2412_GREENLUT(x) S3C2410_LCDREG(0x60 + ((x)*4))
127 #define S3C2412_BLUELUT(x) S3C2410_LCDREG(0x98 + ((x)*4))
129 #define S3C2412_FRCPAT(x) S3C2410_LCDREG(0xB4 + ((x)*4))
131 /* general registers */
133 /* base of the LCD registers, where INTPND, INTSRC and then INTMSK
136 #define S3C2410_LCDINTBASE S3C2410_LCDREG(0x54)
137 #define S3C2412_LCDINTBASE S3C2410_LCDREG(0x24)
139 #define S3C24XX_LCDINTPND (0x00)
140 #define S3C24XX_LCDSRCPND (0x04)
141 #define S3C24XX_LCDINTMSK (0x08)
143 #endif /* ___ASM_ARCH_REGS_LCD_H */