2 * Geode GX display controller
4 * Copyright (C) 2006 Arcom Control Systems Ltd.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 #ifndef __DISPLAY_GX_H__
12 #define __DISPLAY_GX_H__
14 int gx_frame_buffer_size(void);
15 int gx_line_delta(int xres
, int bpp
);
17 extern struct geode_dc_ops gx_dc_ops
;
19 /* Display controller registers */
21 #define DC_UNLOCK 0x00
22 # define DC_UNLOCK_CODE 0x00004758
24 #define DC_GENERAL_CFG 0x04
25 # define DC_GCFG_DFLE 0x00000001
26 # define DC_GCFG_CURE 0x00000002
27 # define DC_GCFG_ICNE 0x00000004
28 # define DC_GCFG_VIDE 0x00000008
29 # define DC_GCFG_CMPE 0x00000020
30 # define DC_GCFG_DECE 0x00000040
31 # define DC_GCFG_VGAE 0x00000080
32 # define DC_GCFG_DFHPSL_MASK 0x00000F00
33 # define DC_GCFG_DFHPSL_POS 8
34 # define DC_GCFG_DFHPEL_MASK 0x0000F000
35 # define DC_GCFG_DFHPEL_POS 12
36 # define DC_GCFG_STFM 0x00010000
37 # define DC_GCFG_FDTY 0x00020000
38 # define DC_GCFG_VGAFT 0x00040000
39 # define DC_GCFG_VDSE 0x00080000
40 # define DC_GCFG_YUVM 0x00100000
41 # define DC_GCFG_VFSL 0x00800000
42 # define DC_GCFG_SIGE 0x01000000
43 # define DC_GCFG_SGRE 0x02000000
44 # define DC_GCFG_SGFR 0x04000000
45 # define DC_GCFG_CRC_MODE 0x08000000
46 # define DC_GCFG_DIAG 0x10000000
47 # define DC_GCFG_CFRW 0x20000000
49 #define DC_DISPLAY_CFG 0x08
50 # define DC_DCFG_TGEN 0x00000001
51 # define DC_DCFG_GDEN 0x00000008
52 # define DC_DCFG_VDEN 0x00000010
53 # define DC_DCFG_TRUP 0x00000040
54 # define DC_DCFG_DISP_MODE_MASK 0x00000300
55 # define DC_DCFG_DISP_MODE_8BPP 0x00000000
56 # define DC_DCFG_DISP_MODE_16BPP 0x00000100
57 # define DC_DCFG_DISP_MODE_24BPP 0x00000200
58 # define DC_DCFG_16BPP_MODE_MASK 0x00000c00
59 # define DC_DCFG_16BPP_MODE_565 0x00000000
60 # define DC_DCFG_16BPP_MODE_555 0x00000100
61 # define DC_DCFG_16BPP_MODE_444 0x00000200
62 # define DC_DCFG_DCEN 0x00080000
63 # define DC_DCFG_PALB 0x02000000
64 # define DC_DCFG_FRLK 0x04000000
65 # define DC_DCFG_VISL 0x08000000
66 # define DC_DCFG_FRSL 0x20000000
67 # define DC_DCFG_A18M 0x40000000
68 # define DC_DCFG_A20M 0x80000000
70 #define DC_FB_ST_OFFSET 0x10
72 #define DC_LINE_SIZE 0x30
73 # define DC_LINE_SIZE_FB_LINE_SIZE_MASK 0x000007ff
74 # define DC_LINE_SIZE_FB_LINE_SIZE_POS 0
75 # define DC_LINE_SIZE_CB_LINE_SIZE_MASK 0x007f0000
76 # define DC_LINE_SIZE_CB_LINE_SIZE_POS 16
77 # define DC_LINE_SIZE_VID_LINE_SIZE_MASK 0xff000000
78 # define DC_LINE_SIZE_VID_LINE_SIZE_POS 24
80 #define DC_GFX_PITCH 0x34
81 # define DC_GFX_PITCH_FB_PITCH_MASK 0x0000ffff
82 # define DC_GFX_PITCH_FB_PITCH_POS 0
83 # define DC_GFX_PITCH_CB_PITCH_MASK 0xffff0000
84 # define DC_GFX_PITCH_CB_PITCH_POS 16
86 #define DC_H_ACTIVE_TIMING 0x40
87 #define DC_H_BLANK_TIMING 0x44
88 #define DC_H_SYNC_TIMING 0x48
89 #define DC_V_ACTIVE_TIMING 0x50
90 #define DC_V_BLANK_TIMING 0x54
91 #define DC_V_SYNC_TIMING 0x58
93 #define DC_PAL_ADDRESS 0x70
94 #define DC_PAL_DATA 0x74
96 #endif /* !__DISPLAY_GX1_H__ */