1 /* arch/arm/plat-samsung/include/plat/regs-fb-v4.h
2  *
3  * Copyright 2008 Openmoko, Inc.
4  * Copyright 2008 Simtec Electronics
5  *      http://armlinux.simtec.co.uk/
6  *      Ben Dooks <ben@simtec.co.uk>
7  *
8  * S3C64XX - new-style framebuffer register definitions
9  *
10  * This is the register set for the new style framebuffer interface
11  * found from the S3C2443 onwards and specifically the S3C64XX series
12  * S3C6400 and S3C6410.
13  *
14  * The file contains the cpu specific items which change between whichever
15  * architecture is selected. See <plat/regs-fb.h> for the core definitions
16  * that are the same.
17  *
18  * This program is free software; you can redistribute it and/or modify
19  * it under the terms of the GNU General Public License version 2 as
20  * published by the Free Software Foundation.
21 */
22 
23 /* include the core definitions here, in case we really do need to
24  * override them at a later date.
25 */
26 
27 #include <plat/regs-fb.h>
28 
29 #define S3C_FB_MAX_WIN (5)  /* number of hardware windows available. */
30 #define VIDCON1_FSTATUS_EVEN	(1 << 15)
31 
32 /* Video timing controls */
33 #define VIDTCON0				(0x10)
34 #define VIDTCON1				(0x14)
35 #define VIDTCON2				(0x18)
36 
37 /* Window position controls */
38 
39 #define WINCON(_win)				(0x20 + ((_win) * 4))
40 
41 /* OSD1 and OSD4 do not have register D */
42 
43 #define VIDOSD_BASE				(0x40)
44 
45 #define VIDINTCON0				(0x130)
46 
47 /* WINCONx */
48 
49 #define WINCONx_CSCWIDTH_MASK			(0x3 << 26)
50 #define WINCONx_CSCWIDTH_SHIFT			(26)
51 #define WINCONx_CSCWIDTH_WIDE			(0x0 << 26)
52 #define WINCONx_CSCWIDTH_NARROW			(0x3 << 26)
53 
54 #define WINCONx_ENLOCAL				(1 << 22)
55 #define WINCONx_BUFSTATUS			(1 << 21)
56 #define WINCONx_BUFSEL				(1 << 20)
57 #define WINCONx_BUFAUTOEN			(1 << 19)
58 #define WINCONx_YCbCr				(1 << 13)
59 
60 #define WINCON1_LOCALSEL_CAMIF			(1 << 23)
61 
62 #define WINCON2_LOCALSEL_CAMIF			(1 << 23)
63 #define WINCON2_BLD_PIX				(1 << 6)
64 
65 #define WINCON2_ALPHA_SEL			(1 << 1)
66 #define WINCON2_BPPMODE_MASK			(0xf << 2)
67 #define WINCON2_BPPMODE_SHIFT			(2)
68 #define WINCON2_BPPMODE_1BPP			(0x0 << 2)
69 #define WINCON2_BPPMODE_2BPP			(0x1 << 2)
70 #define WINCON2_BPPMODE_4BPP			(0x2 << 2)
71 #define WINCON2_BPPMODE_8BPP_1232		(0x4 << 2)
72 #define WINCON2_BPPMODE_16BPP_565		(0x5 << 2)
73 #define WINCON2_BPPMODE_16BPP_A1555		(0x6 << 2)
74 #define WINCON2_BPPMODE_16BPP_I1555		(0x7 << 2)
75 #define WINCON2_BPPMODE_18BPP_666		(0x8 << 2)
76 #define WINCON2_BPPMODE_18BPP_A1665		(0x9 << 2)
77 #define WINCON2_BPPMODE_19BPP_A1666		(0xa << 2)
78 #define WINCON2_BPPMODE_24BPP_888		(0xb << 2)
79 #define WINCON2_BPPMODE_24BPP_A1887		(0xc << 2)
80 #define WINCON2_BPPMODE_25BPP_A1888		(0xd << 2)
81 #define WINCON2_BPPMODE_28BPP_A4888		(0xd << 2)
82 
83 #define WINCON3_BLD_PIX				(1 << 6)
84 
85 #define WINCON3_ALPHA_SEL			(1 << 1)
86 #define WINCON3_BPPMODE_MASK			(0xf << 2)
87 #define WINCON3_BPPMODE_SHIFT			(2)
88 #define WINCON3_BPPMODE_1BPP			(0x0 << 2)
89 #define WINCON3_BPPMODE_2BPP			(0x1 << 2)
90 #define WINCON3_BPPMODE_4BPP			(0x2 << 2)
91 #define WINCON3_BPPMODE_16BPP_565		(0x5 << 2)
92 #define WINCON3_BPPMODE_16BPP_A1555		(0x6 << 2)
93 #define WINCON3_BPPMODE_16BPP_I1555		(0x7 << 2)
94 #define WINCON3_BPPMODE_18BPP_666		(0x8 << 2)
95 #define WINCON3_BPPMODE_18BPP_A1665		(0x9 << 2)
96 #define WINCON3_BPPMODE_19BPP_A1666		(0xa << 2)
97 #define WINCON3_BPPMODE_24BPP_888		(0xb << 2)
98 #define WINCON3_BPPMODE_24BPP_A1887		(0xc << 2)
99 #define WINCON3_BPPMODE_25BPP_A1888		(0xd << 2)
100 #define WINCON3_BPPMODE_28BPP_A4888		(0xd << 2)
101 
102 #define VIDINTCON0_FIFIOSEL_WINDOW2		(0x10 << 5)
103 #define VIDINTCON0_FIFIOSEL_WINDOW3		(0x20 << 5)
104 #define VIDINTCON0_FIFIOSEL_WINDOW4		(0x40 << 5)
105 
106 #define DITHMODE				(0x170)
107 #define WINxMAP(_win)				(0x180 + ((_win) * 4))
108 
109 
110 #define DITHMODE_R_POS_MASK			(0x3 << 5)
111 #define DITHMODE_R_POS_SHIFT			(5)
112 #define DITHMODE_R_POS_8BIT			(0x0 << 5)
113 #define DITHMODE_R_POS_6BIT			(0x1 << 5)
114 #define DITHMODE_R_POS_5BIT			(0x2 << 5)
115 
116 #define DITHMODE_G_POS_MASK			(0x3 << 3)
117 #define DITHMODE_G_POS_SHIFT			(3)
118 #define DITHMODE_G_POS_8BIT			(0x0 << 3)
119 #define DITHMODE_G_POS_6BIT			(0x1 << 3)
120 #define DITHMODE_G_POS_5BIT			(0x2 << 3)
121 
122 #define DITHMODE_B_POS_MASK			(0x3 << 1)
123 #define DITHMODE_B_POS_SHIFT			(1)
124 #define DITHMODE_B_POS_8BIT			(0x0 << 1)
125 #define DITHMODE_B_POS_6BIT			(0x1 << 1)
126 #define DITHMODE_B_POS_5BIT			(0x2 << 1)
127 
128 #define DITHMODE_DITH_EN			(1 << 0)
129 
130 #define WPALCON					(0x1A0)
131 
132 /* Palette control */
133 /* Note for S5PC100: you can still use those macros on WPALCON (aka WPALCON_L),
134  * but make sure that WPALCON_H W2PAL-W4PAL entries are zeroed out */
135 #define WPALCON_W4PAL_16BPP_A555		(1 << 8)
136 #define WPALCON_W3PAL_16BPP_A555		(1 << 7)
137 #define WPALCON_W2PAL_16BPP_A555		(1 << 6)
138 
139 
140 /* Notes on per-window bpp settings
141  *
142  * Value	Win0	 Win1	  Win2	   Win3	    Win 4
143  * 0000		1(P)	 1(P)	  1(P)	   1(P)	    1(P)
144  * 0001		2(P)	 2(P)     2(P)	   2(P)	    2(P)
145  * 0010		4(P)	 4(P)     4(P)	   4(P)     -none-
146  * 0011		8(P)	 8(P)     -none-   -none-   -none-
147  * 0100		-none-	 8(A232)  8(A232)  -none-   -none-
148  * 0101		16(565)	 16(565)  16(565)  16(565)   16(565)
149  * 0110		-none-	 16(A555) 16(A555) 16(A555)  16(A555)
150  * 0111		16(I555) 16(I565) 16(I555) 16(I555)  16(I555)
151  * 1000		18(666)	 18(666)  18(666)  18(666)   18(666)
152  * 1001		-none-	 18(A665) 18(A665) 18(A665)  16(A665)
153  * 1010		-none-	 19(A666) 19(A666) 19(A666)  19(A666)
154  * 1011		24(888)	 24(888)  24(888)  24(888)   24(888)
155  * 1100		-none-	 24(A887) 24(A887) 24(A887)  24(A887)
156  * 1101		-none-	 25(A888) 25(A888) 25(A888)  25(A888)
157  * 1110		-none-	 -none-	  -none-   -none-    -none-
158  * 1111		-none-	 -none-   -none-   -none-    -none-
159 */
160