i2c: S3C2410: Pass the I2C bus number via drivers platform data
[linux-2.6] / include / asm-arm / arch-s3c2410 / regs-dsc.h
1 /* linux/include/asm-arm/arch-s3c2410/regs-dsc.h
2  *
3  * Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk>
4  *                    http://www.simtec.co.uk/products/SWLINUX/
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  *
10  * S3C2440/S3C2412 Signal Drive Strength Control
11 */
12
13
14 #ifndef __ASM_ARCH_REGS_DSC_H
15 #define __ASM_ARCH_REGS_DSC_H "2440-dsc"
16
17 #if defined(CONFIG_CPU_S3C2412)
18 #define S3C2412_DSC0       S3C2410_GPIOREG(0xdc)
19 #define S3C2412_DSC1       S3C2410_GPIOREG(0xe0)
20 #endif
21
22 #if defined(CONFIG_CPU_S3C244X)
23
24 #define S3C2440_DSC0       S3C2410_GPIOREG(0xc4)
25 #define S3C2440_DSC1       S3C2410_GPIOREG(0xc8)
26
27 #define S3C2440_SELECT_DSC0 (0)
28 #define S3C2440_SELECT_DSC1 (1<<31)
29
30 #define S3C2440_DSC_GETSHIFT(x) ((x) & 31)
31
32 #define S3C2440_DSC0_DISABLE    (1<<31)
33
34 #define S3C2440_DSC0_ADDR       (S3C2440_SELECT_DSC0 | 8)
35 #define S3C2440_DSC0_ADDR_12mA  (0<<8)
36 #define S3C2440_DSC0_ADDR_10mA  (1<<8)
37 #define S3C2440_DSC0_ADDR_8mA   (2<<8)
38 #define S3C2440_DSC0_ADDR_6mA   (3<<8)
39 #define S3C2440_DSC0_ADDR_MASK  (3<<8)
40
41 /* D24..D31 */
42 #define S3C2440_DSC0_DATA3      (S3C2440_SELECT_DSC0 | 6)
43 #define S3C2440_DSC0_DATA3_12mA (0<<6)
44 #define S3C2440_DSC0_DATA3_10mA (1<<6)
45 #define S3C2440_DSC0_DATA3_8mA  (2<<6)
46 #define S3C2440_DSC0_DATA3_6mA  (3<<6)
47 #define S3C2440_DSC0_DATA3_MASK (3<<6)
48
49 /* D16..D23 */
50 #define S3C2440_DSC0_DATA2      (S3C2440_SELECT_DSC0 | 4)
51 #define S3C2440_DSC0_DATA2_12mA (0<<4)
52 #define S3C2440_DSC0_DATA2_10mA (1<<4)
53 #define S3C2440_DSC0_DATA2_8mA  (2<<4)
54 #define S3C2440_DSC0_DATA2_6mA  (3<<4)
55 #define S3C2440_DSC0_DATA2_MASK (3<<4)
56
57 /* D8..D15 */
58 #define S3C2440_DSC0_DATA1      (S3C2440_SELECT_DSC0 | 2)
59 #define S3C2440_DSC0_DATA1_12mA (0<<2)
60 #define S3C2440_DSC0_DATA1_10mA (1<<2)
61 #define S3C2440_DSC0_DATA1_8mA  (2<<2)
62 #define S3C2440_DSC0_DATA1_6mA  (3<<2)
63 #define S3C2440_DSC0_DATA1_MASK (3<<2)
64
65 /* D0..D7 */
66 #define S3C2440_DSC0_DATA0      (S3C2440_SELECT_DSC0 | 0)
67 #define S3C2440_DSC0_DATA0_12mA (0<<0)
68 #define S3C2440_DSC0_DATA0_10mA (1<<0)
69 #define S3C2440_DSC0_DATA0_8mA  (2<<0)
70 #define S3C2440_DSC0_DATA0_6mA  (3<<0)
71 #define S3C2440_DSC0_DATA0_MASK (3<<0)
72
73 #define S3C2440_DSC1_SCK1       (S3C2440_SELECT_DSC1 | 28)
74 #define S3C2440_DSC1_SCK1_12mA  (0<<28)
75 #define S3C2440_DSC1_SCK1_10mA  (1<<28)
76 #define S3C2440_DSC1_SCK1_8mA   (2<<28)
77 #define S3C2440_DSC1_SCK1_6mA   (3<<28)
78 #define S3C2440_DSC1_SCK1_MASK  (3<<28)
79
80 #define S3C2440_DSC1_SCK0       (S3C2440_SELECT_DSC1 | 26)
81 #define S3C2440_DSC1_SCK0_12mA  (0<<26)
82 #define S3C2440_DSC1_SCK0_10mA  (1<<26)
83 #define S3C2440_DSC1_SCK0_8mA   (2<<26)
84 #define S3C2440_DSC1_SCK0_6mA   (3<<26)
85 #define S3C2440_DSC1_SCK0_MASK  (3<<26)
86
87 #define S3C2440_DSC1_SCKE       (S3C2440_SELECT_DSC1 | 24)
88 #define S3C2440_DSC1_SCKE_10mA  (0<<24)
89 #define S3C2440_DSC1_SCKE_8mA   (1<<24)
90 #define S3C2440_DSC1_SCKE_6mA   (2<<24)
91 #define S3C2440_DSC1_SCKE_4mA   (3<<24)
92 #define S3C2440_DSC1_SCKE_MASK  (3<<24)
93
94 /* SDRAM nRAS/nCAS */
95 #define S3C2440_DSC1_SDR        (S3C2440_SELECT_DSC1 | 22)
96 #define S3C2440_DSC1_SDR_10mA   (0<<22)
97 #define S3C2440_DSC1_SDR_8mA    (1<<22)
98 #define S3C2440_DSC1_SDR_6mA    (2<<22)
99 #define S3C2440_DSC1_SDR_4mA    (3<<22)
100 #define S3C2440_DSC1_SDR_MASK   (3<<22)
101
102 /* NAND Flash Controller */
103 #define S3C2440_DSC1_NFC        (S3C2440_SELECT_DSC1 | 20)
104 #define S3C2440_DSC1_NFC_10mA   (0<<20)
105 #define S3C2440_DSC1_NFC_8mA    (1<<20)
106 #define S3C2440_DSC1_NFC_6mA    (2<<20)
107 #define S3C2440_DSC1_NFC_4mA    (3<<20)
108 #define S3C2440_DSC1_NFC_MASK   (3<<20)
109
110 /* nBE[0..3] */
111 #define S3C2440_DSC1_nBE        (S3C2440_SELECT_DSC1 | 18)
112 #define S3C2440_DSC1_nBE_10mA   (0<<18)
113 #define S3C2440_DSC1_nBE_8mA    (1<<18)
114 #define S3C2440_DSC1_nBE_6mA    (2<<18)
115 #define S3C2440_DSC1_nBE_4mA    (3<<18)
116 #define S3C2440_DSC1_nBE_MASK   (3<<18)
117
118 #define S3C2440_DSC1_WOE        (S3C2440_SELECT_DSC1 | 16)
119 #define S3C2440_DSC1_WOE_10mA   (0<<16)
120 #define S3C2440_DSC1_WOE_8mA    (1<<16)
121 #define S3C2440_DSC1_WOE_6mA    (2<<16)
122 #define S3C2440_DSC1_WOE_4mA    (3<<16)
123 #define S3C2440_DSC1_WOE_MASK   (3<<16)
124
125 #define S3C2440_DSC1_CS7        (S3C2440_SELECT_DSC1 | 14)
126 #define S3C2440_DSC1_CS7_10mA   (0<<14)
127 #define S3C2440_DSC1_CS7_8mA    (1<<14)
128 #define S3C2440_DSC1_CS7_6mA    (2<<14)
129 #define S3C2440_DSC1_CS7_4mA    (3<<14)
130 #define S3C2440_DSC1_CS7_MASK   (3<<14)
131
132 #define S3C2440_DSC1_CS6        (S3C2440_SELECT_DSC1 | 12)
133 #define S3C2440_DSC1_CS6_10mA   (0<<12)
134 #define S3C2440_DSC1_CS6_8mA    (1<<12)
135 #define S3C2440_DSC1_CS6_6mA    (2<<12)
136 #define S3C2440_DSC1_CS6_4mA    (3<<12)
137 #define S3C2440_DSC1_CS6_MASK   (3<<12)
138
139 #define S3C2440_DSC1_CS5        (S3C2440_SELECT_DSC1 | 10)
140 #define S3C2440_DSC1_CS5_10mA   (0<<10)
141 #define S3C2440_DSC1_CS5_8mA    (1<<10)
142 #define S3C2440_DSC1_CS5_6mA    (2<<10)
143 #define S3C2440_DSC1_CS5_4mA    (3<<10)
144 #define S3C2440_DSC1_CS5_MASK   (3<<10)
145
146 #define S3C2440_DSC1_CS4        (S3C2440_SELECT_DSC1 | 8)
147 #define S3C2440_DSC1_CS4_10mA   (0<<8)
148 #define S3C2440_DSC1_CS4_8mA    (1<<8)
149 #define S3C2440_DSC1_CS4_6mA    (2<<8)
150 #define S3C2440_DSC1_CS4_4mA    (3<<8)
151 #define S3C2440_DSC1_CS4_MASK   (3<<8)
152
153 #define S3C2440_DSC1_CS3        (S3C2440_SELECT_DSC1 | 6)
154 #define S3C2440_DSC1_CS3_10mA   (0<<6)
155 #define S3C2440_DSC1_CS3_8mA    (1<<6)
156 #define S3C2440_DSC1_CS3_6mA    (2<<6)
157 #define S3C2440_DSC1_CS3_4mA    (3<<6)
158 #define S3C2440_DSC1_CS3_MASK   (3<<6)
159
160 #define S3C2440_DSC1_CS2        (S3C2440_SELECT_DSC1 | 4)
161 #define S3C2440_DSC1_CS2_10mA   (0<<4)
162 #define S3C2440_DSC1_CS2_8mA    (1<<4)
163 #define S3C2440_DSC1_CS2_6mA    (2<<4)
164 #define S3C2440_DSC1_CS2_4mA    (3<<4)
165 #define S3C2440_DSC1_CS2_MASK   (3<<4)
166
167 #define S3C2440_DSC1_CS1        (S3C2440_SELECT_DSC1 | 2)
168 #define S3C2440_DSC1_CS1_10mA   (0<<2)
169 #define S3C2440_DSC1_CS1_8mA    (1<<2)
170 #define S3C2440_DSC1_CS1_6mA    (2<<2)
171 #define S3C2440_DSC1_CS1_4mA    (3<<2)
172 #define S3C2440_DSC1_CS1_MASK   (3<<2)
173
174 #define S3C2440_DSC1_CS0        (S3C2440_SELECT_DSC1 | 0)
175 #define S3C2440_DSC1_CS0_10mA   (0<<0)
176 #define S3C2440_DSC1_CS0_8mA    (1<<0)
177 #define S3C2440_DSC1_CS0_6mA    (2<<0)
178 #define S3C2440_DSC1_CS0_4mA    (3<<0)
179 #define S3C2440_DSC1_CS0_MASK   (3<<0)
180
181 #endif /* CONFIG_CPU_S3C2440 */
182
183 #endif  /* __ASM_ARCH_REGS_DSC_H */
184