xref: /linux/drivers/video/fbdev/geode/display_gx1.h (revision 3932b9ca55b0be314a36d3e84faff3e823c081f5)
1 /*
2  * drivers/video/geode/display_gx1.h
3  *   -- Geode GX1 display controller
4  *
5  * Copyright (C) 2005 Arcom Control Systems Ltd.
6  *
7  * Based on AMD's original 2.4 driver:
8  *   Copyright (C) 2004 Advanced Micro Devices, Inc.
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  */
15 #ifndef __DISPLAY_GX1_H__
16 #define __DISPLAY_GX1_H__
17 
18 unsigned gx1_gx_base(void);
19 int gx1_frame_buffer_size(void);
20 
21 extern struct geode_dc_ops gx1_dc_ops;
22 
23 /* GX1 configuration I/O registers */
24 
25 #define CONFIG_CCR3 0xc3
26 #  define CONFIG_CCR3_MAPEN 0x10
27 #define CONFIG_GCR  0xb8
28 
29 /* Memory controller registers */
30 
31 #define MC_BANK_CFG		0x08
32 #  define MC_BCFG_DIMM0_SZ_MASK		0x00000700
33 #  define MC_BCFG_DIMM0_PG_SZ_MASK	0x00000070
34 #  define MC_BCFG_DIMM0_PG_SZ_NO_DIMM	0x00000070
35 
36 #define MC_GBASE_ADD		0x14
37 #  define MC_GADD_GBADD_MASK		0x000003ff
38 
39 /* Display controller registers */
40 
41 #define DC_PAL_ADDRESS		0x70
42 #define DC_PAL_DATA		0x74
43 
44 #define DC_UNLOCK		0x00
45 #  define DC_UNLOCK_CODE		0x00004758
46 
47 #define DC_GENERAL_CFG		0x04
48 #  define DC_GCFG_DFLE			0x00000001
49 #  define DC_GCFG_CURE			0x00000002
50 #  define DC_GCFG_VCLK_DIV		0x00000004
51 #  define DC_GCFG_PLNO			0x00000004
52 #  define DC_GCFG_PPC			0x00000008
53 #  define DC_GCFG_CMPE			0x00000010
54 #  define DC_GCFG_DECE			0x00000020
55 #  define DC_GCFG_DCLK_MASK		0x000000C0
56 #  define DC_GCFG_DCLK_DIV_1		0x00000080
57 #  define DC_GCFG_DFHPSL_MASK		0x00000F00
58 #  define DC_GCFG_DFHPSL_POS			 8
59 #  define DC_GCFG_DFHPEL_MASK		0x0000F000
60 #  define DC_GCFG_DFHPEL_POS			12
61 #  define DC_GCFG_CIM_MASK		0x00030000
62 #  define DC_GCFG_CIM_POS			16
63 #  define DC_GCFG_FDTY			0x00040000
64 #  define DC_GCFG_RTPM			0x00080000
65 #  define DC_GCFG_DAC_RS_MASK		0x00700000
66 #  define DC_GCFG_DAC_RS_POS			20
67 #  define DC_GCFG_CKWR			0x00800000
68 #  define DC_GCFG_LDBL			0x01000000
69 #  define DC_GCFG_DIAG			0x02000000
70 #  define DC_GCFG_CH4S			0x04000000
71 #  define DC_GCFG_SSLC			0x08000000
72 #  define DC_GCFG_VIDE			0x10000000
73 #  define DC_GCFG_VRDY			0x20000000
74 #  define DC_GCFG_DPCK			0x40000000
75 #  define DC_GCFG_DDCK			0x80000000
76 
77 #define DC_TIMING_CFG		0x08
78 #  define DC_TCFG_FPPE			0x00000001
79 #  define DC_TCFG_HSYE			0x00000002
80 #  define DC_TCFG_VSYE			0x00000004
81 #  define DC_TCFG_BLKE			0x00000008
82 #  define DC_TCFG_DDCK			0x00000010
83 #  define DC_TCFG_TGEN			0x00000020
84 #  define DC_TCFG_VIEN			0x00000040
85 #  define DC_TCFG_BLNK			0x00000080
86 #  define DC_TCFG_CHSP			0x00000100
87 #  define DC_TCFG_CVSP			0x00000200
88 #  define DC_TCFG_FHSP			0x00000400
89 #  define DC_TCFG_FVSP			0x00000800
90 #  define DC_TCFG_FCEN			0x00001000
91 #  define DC_TCFG_CDCE			0x00002000
92 #  define DC_TCFG_PLNR			0x00002000
93 #  define DC_TCFG_INTL			0x00004000
94 #  define DC_TCFG_PXDB			0x00008000
95 #  define DC_TCFG_BKRT			0x00010000
96 #  define DC_TCFG_PSD_MASK		0x000E0000
97 #  define DC_TCFG_PSD_POS			17
98 #  define DC_TCFG_DDCI			0x08000000
99 #  define DC_TCFG_SENS			0x10000000
100 #  define DC_TCFG_DNA			0x20000000
101 #  define DC_TCFG_VNA			0x40000000
102 #  define DC_TCFG_VINT			0x80000000
103 
104 #define DC_OUTPUT_CFG		0x0C
105 #  define DC_OCFG_8BPP			0x00000001
106 #  define DC_OCFG_555			0x00000002
107 #  define DC_OCFG_PCKE			0x00000004
108 #  define DC_OCFG_FRME			0x00000008
109 #  define DC_OCFG_DITE			0x00000010
110 #  define DC_OCFG_2PXE			0x00000020
111 #  define DC_OCFG_2XCK			0x00000040
112 #  define DC_OCFG_2IND			0x00000080
113 #  define DC_OCFG_34ADD			0x00000100
114 #  define DC_OCFG_FRMS			0x00000200
115 #  define DC_OCFG_CKSL			0x00000400
116 #  define DC_OCFG_PRMP			0x00000800
117 #  define DC_OCFG_PDEL			0x00001000
118 #  define DC_OCFG_PDEH			0x00002000
119 #  define DC_OCFG_CFRW			0x00004000
120 #  define DC_OCFG_DIAG			0x00008000
121 
122 #define DC_FB_ST_OFFSET		0x10
123 #define DC_CB_ST_OFFSET		0x14
124 #define DC_CURS_ST_OFFSET	0x18
125 #define DC_ICON_ST_OFFSET	0x1C
126 #define DC_VID_ST_OFFSET	0x20
127 #define DC_LINE_DELTA		0x24
128 #define DC_BUF_SIZE		0x28
129 
130 #define DC_H_TIMING_1		0x30
131 #define DC_H_TIMING_2		0x34
132 #define DC_H_TIMING_3		0x38
133 #define DC_FP_H_TIMING		0x3C
134 
135 #define DC_V_TIMING_1		0x40
136 #define DC_V_TIMING_2		0x44
137 #define DC_V_TIMING_3		0x48
138 #define DC_FP_V_TIMING		0x4C
139 
140 #define DC_CURSOR_X		0x50
141 #define DC_ICON_X		0x54
142 #define DC_V_LINE_CNT		0x54
143 #define DC_CURSOR_Y		0x58
144 #define DC_ICON_Y		0x5C
145 #define DC_SS_LINE_CMP		0x5C
146 #define DC_CURSOR_COLOR		0x60
147 #define DC_ICON_COLOR		0x64
148 #define DC_BORDER_COLOR		0x68
149 #define DC_PAL_ADDRESS		0x70
150 #define DC_PAL_DATA		0x74
151 #define DC_DFIFO_DIAG		0x78
152 #define DC_CFIFO_DIAG		0x7C
153 
154 #endif /* !__DISPLAY_GX1_H__ */
155