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 13#ifndef __ASM_ARCH_REGS_IIC_H 14#define __ASM_ARCH_REGS_IIC_H __FILE__ 15 16/* see s3c2410x user guide, v1.1, section 9 (p447) for more info */ 17 18#define S3C2410_IICREG(x) (x) 19 20#define S3C2410_IICCON S3C2410_IICREG(0x00) 21#define S3C2410_IICSTAT S3C2410_IICREG(0x04) 22#define S3C2410_IICADD S3C2410_IICREG(0x08) 23#define S3C2410_IICDS S3C2410_IICREG(0x0C) 24#define S3C2440_IICLC S3C2410_IICREG(0x10) 25 26#define S3C2410_IICCON_ACKEN (1<<7) 27#define S3C2410_IICCON_TXDIV_16 (0<<6) 28#define S3C2410_IICCON_TXDIV_512 (1<<6) 29#define S3C2410_IICCON_IRQEN (1<<5) 30#define S3C2410_IICCON_IRQPEND (1<<4) 31#define S3C2410_IICCON_SCALE(x) ((x)&15) 32#define S3C2410_IICCON_SCALEMASK (0xf) 33 34#define S3C2410_IICSTAT_MASTER_RX (2<<6) 35#define S3C2410_IICSTAT_MASTER_TX (3<<6) 36#define S3C2410_IICSTAT_SLAVE_RX (0<<6) 37#define S3C2410_IICSTAT_SLAVE_TX (1<<6) 38#define S3C2410_IICSTAT_MODEMASK (3<<6) 39 40#define S3C2410_IICSTAT_START (1<<5) 41#define S3C2410_IICSTAT_BUSBUSY (1<<5) 42#define S3C2410_IICSTAT_TXRXEN (1<<4) 43#define S3C2410_IICSTAT_ARBITR (1<<3) 44#define S3C2410_IICSTAT_ASSLAVE (1<<2) 45#define S3C2410_IICSTAT_ADDR0 (1<<1) 46#define S3C2410_IICSTAT_LASTBIT (1<<0) 47 48#define S3C2410_IICLC_SDA_DELAY0 (0 << 0) 49#define S3C2410_IICLC_SDA_DELAY5 (1 << 0) 50#define S3C2410_IICLC_SDA_DELAY10 (2 << 0) 51#define S3C2410_IICLC_SDA_DELAY15 (3 << 0) 52#define S3C2410_IICLC_SDA_DELAY_MASK (3 << 0) 53 54#define S3C2410_IICLC_FILTER_ON (1<<2) 55 56#endif /* __ASM_ARCH_REGS_IIC_H */ 57