This commit was manufactured by cvs2svn to create branch 'vserver'.
[linux-2.6.git] / include / asm-arm / arch-s3c2410 / regs-iic.h
1 /* linux/include/asm-arm/arch-s3c2410/regs-iic.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  * S3C2410 I2C Controller
11  *
12  *  Changelog:
13  *      03-Oct-2004  BJD  Initial include for Linux
14 */
15
16 #ifndef __ASM_ARCH_IIC_H
17 #define __ASM_ARCH_IIC_H __FILE__
18
19 /* see s3c2410x user guide, v1.1, section 9 (p447) for more info */
20
21 #define S3C2410_IICREG(x) (x)
22
23 #define S3C2410_IICCON    S3C2410_IICREG(0x00)
24 #define S3C2410_IICSTAT   S3C2410_IICREG(0x04)
25 #define S3C2410_IICADD    S3C2410_IICREG(0x08)
26 #define S3C2410_IICDS     S3C2410_IICREG(0x0C)
27
28 #define S3C2410_IICCON_ACKEN            (1<<7)
29 #define S3C2410_IICCON_TXDIV_16         (0<<6)
30 #define S3C2410_IICCON_TXDIV_512        (1<<6)
31 #define S3C2410_IICCON_IRQEN            (1<<5)
32 #define S3C2410_IICCON_IRQPEND          (1<<4)
33 #define S3C2410_IICCON_SCALE(x)         ((x)&15)
34 #define S3C2410_IICCON_SCALEMASK        (0xf)
35
36 #define S3C2410_IICSTAT_MASTER_RX       (2<<6)
37 #define S3C2410_IICSTAT_MASTER_TX       (3<<6)
38 #define S3C2410_IICSTAT_SLAVE_RX        (0<<6)
39 #define S3C2410_IICSTAT_SLAVE_TX        (1<<6)
40 #define S3C2410_IICSTAT_MODEMASK        (3<<6)
41
42 #define S3C2410_IICSTAT_START           (1<<5)
43 #define S3C2410_IICSTAT_BUSBUSY         (1<<5)
44 #define S3C2410_IICSTAT_TXRXEN          (1<<4)
45 #define S3C2410_IICSTAT_ARBITR          (1<<3)
46 #define S3C2410_IICSTAT_ASSLAVE         (1<<2)
47 #define S3C2410_IICSTAT_ADDR0           (1<<1)
48 #define S3C2410_IICSTAT_LASTBIT         (1<<0)
49
50 #endif /* __ASM_ARCH_IIC_H */