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 unsigned 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 /* MSR that tells us if a TFT or CRT is attached */
20 #define GLD_MSR_CONFIG 0xC0002001
21 #define GLD_MSR_CONFIG_DM_FP 0x40
23 /* Display controller registers */
25 #define DC_UNLOCK 0x00
26 # define DC_UNLOCK_CODE 0x00004758
28 #define DC_GENERAL_CFG 0x04
29 # define DC_GCFG_DFLE 0x00000001
30 # define DC_GCFG_CURE 0x00000002
31 # define DC_GCFG_ICNE 0x00000004
32 # define DC_GCFG_VIDE 0x00000008
33 # define DC_GCFG_CMPE 0x00000020
34 # define DC_GCFG_DECE 0x00000040
35 # define DC_GCFG_VGAE 0x00000080
36 # define DC_GCFG_DFHPSL_MASK 0x00000F00
37 # define DC_GCFG_DFHPSL_POS 8
38 # define DC_GCFG_DFHPEL_MASK 0x0000F000
39 # define DC_GCFG_DFHPEL_POS 12
40 # define DC_GCFG_STFM 0x00010000
41 # define DC_GCFG_FDTY 0x00020000
42 # define DC_GCFG_VGAFT 0x00040000
43 # define DC_GCFG_VDSE 0x00080000
44 # define DC_GCFG_YUVM 0x00100000
45 # define DC_GCFG_VFSL 0x00800000
46 # define DC_GCFG_SIGE 0x01000000
47 # define DC_GCFG_SGRE 0x02000000
48 # define DC_GCFG_SGFR 0x04000000
49 # define DC_GCFG_CRC_MODE 0x08000000
50 # define DC_GCFG_DIAG 0x10000000
51 # define DC_GCFG_CFRW 0x20000000
53 #define DC_DISPLAY_CFG 0x08
54 # define DC_DCFG_TGEN 0x00000001
55 # define DC_DCFG_GDEN 0x00000008
56 # define DC_DCFG_VDEN 0x00000010
57 # define DC_DCFG_TRUP 0x00000040
58 # define DC_DCFG_DISP_MODE_MASK 0x00000300
59 # define DC_DCFG_DISP_MODE_8BPP 0x00000000
60 # define DC_DCFG_DISP_MODE_16BPP 0x00000100
61 # define DC_DCFG_DISP_MODE_24BPP 0x00000200
62 # define DC_DCFG_16BPP_MODE_MASK 0x00000c00
63 # define DC_DCFG_16BPP_MODE_565 0x00000000
64 # define DC_DCFG_16BPP_MODE_555 0x00000100
65 # define DC_DCFG_16BPP_MODE_444 0x00000200
66 # define DC_DCFG_DCEN 0x00080000
67 # define DC_DCFG_PALB 0x02000000
68 # define DC_DCFG_FRLK 0x04000000
69 # define DC_DCFG_VISL 0x08000000
70 # define DC_DCFG_FRSL 0x20000000
71 # define DC_DCFG_A18M 0x40000000
72 # define DC_DCFG_A20M 0x80000000
74 #define DC_FB_ST_OFFSET 0x10
76 #define DC_LINE_SIZE 0x30
77 # define DC_LINE_SIZE_FB_LINE_SIZE_MASK 0x000007ff
78 # define DC_LINE_SIZE_FB_LINE_SIZE_POS 0
79 # define DC_LINE_SIZE_CB_LINE_SIZE_MASK 0x007f0000
80 # define DC_LINE_SIZE_CB_LINE_SIZE_POS 16
81 # define DC_LINE_SIZE_VID_LINE_SIZE_MASK 0xff000000
82 # define DC_LINE_SIZE_VID_LINE_SIZE_POS 24
84 #define DC_GFX_PITCH 0x34
85 # define DC_GFX_PITCH_FB_PITCH_MASK 0x0000ffff
86 # define DC_GFX_PITCH_FB_PITCH_POS 0
87 # define DC_GFX_PITCH_CB_PITCH_MASK 0xffff0000
88 # define DC_GFX_PITCH_CB_PITCH_POS 16
90 #define DC_H_ACTIVE_TIMING 0x40
91 #define DC_H_BLANK_TIMING 0x44
92 #define DC_H_SYNC_TIMING 0x48
93 #define DC_V_ACTIVE_TIMING 0x50
94 #define DC_V_BLANK_TIMING 0x54
95 #define DC_V_SYNC_TIMING 0x58
97 #define DC_PAL_ADDRESS 0x70
98 #define DC_PAL_DATA 0x74
100 #define DC_GLIU0_MEM_OFFSET 0x84
101 #endif /* !__DISPLAY_GX1_H__ */