| /* |
| * PNX4008-specific tweaks for I2C IP3204 block |
| * |
| * Author: Vitaly Wool <vwool@ru.mvista.com> |
| * |
| * 2005 (c) MontaVista Software, Inc. This file is licensed under |
| * the terms of the GNU General Public License version 2. This program |
| * is licensed "as is" without any warranty of any kind, whether express |
| * or implied. |
| */ |
| |
| #ifndef __ASM_ARCH_I2C_H |
| #define __ASM_ARCH_I2C_H |
| |
| enum { |
| mstatus_tdi = 0x00000001, |
| mstatus_afi = 0x00000002, |
| mstatus_nai = 0x00000004, |
| mstatus_drmi = 0x00000008, |
| mstatus_active = 0x00000020, |
| mstatus_scl = 0x00000040, |
| mstatus_sda = 0x00000080, |
| mstatus_rff = 0x00000100, |
| mstatus_rfe = 0x00000200, |
| mstatus_tff = 0x00000400, |
| mstatus_tfe = 0x00000800, |
| }; |
| |
| enum { |
| mcntrl_tdie = 0x00000001, |
| mcntrl_afie = 0x00000002, |
| mcntrl_naie = 0x00000004, |
| mcntrl_drmie = 0x00000008, |
| mcntrl_daie = 0x00000020, |
| mcntrl_rffie = 0x00000040, |
| mcntrl_tffie = 0x00000080, |
| mcntrl_reset = 0x00000100, |
| mcntrl_cdbmode = 0x00000400, |
| }; |
| |
| enum { |
| rw_bit = 1 << 0, |
| start_bit = 1 << 8, |
| stop_bit = 1 << 9, |
| }; |
| |
| #define I2C_REG_RX(a) ((a)->ioaddr) /* Rx FIFO reg (RO) */ |
| #define I2C_REG_TX(a) ((a)->ioaddr) /* Tx FIFO reg (WO) */ |
| #define I2C_REG_STS(a) ((a)->ioaddr + 0x04) /* Status reg (RO) */ |
| #define I2C_REG_CTL(a) ((a)->ioaddr + 0x08) /* Ctl reg */ |
| #define I2C_REG_CKL(a) ((a)->ioaddr + 0x0c) /* Clock divider low */ |
| #define I2C_REG_CKH(a) ((a)->ioaddr + 0x10) /* Clock divider high */ |
| #define I2C_REG_ADR(a) ((a)->ioaddr + 0x14) /* I2C address */ |
| #define I2C_REG_RFL(a) ((a)->ioaddr + 0x18) /* Rx FIFO level (RO) */ |
| #define I2C_REG_TFL(a) ((a)->ioaddr + 0x1c) /* Tx FIFO level (RO) */ |
| #define I2C_REG_RXB(a) ((a)->ioaddr + 0x20) /* Num of bytes Rx-ed (RO) */ |
| #define I2C_REG_TXB(a) ((a)->ioaddr + 0x24) /* Num of bytes Tx-ed (RO) */ |
| #define I2C_REG_TXS(a) ((a)->ioaddr + 0x28) /* Tx slave FIFO (RO) */ |
| #define I2C_REG_STFL(a) ((a)->ioaddr + 0x2c) /* Tx slave FIFO level (RO) */ |
| |
| #define I2C_CHIP_NAME "PNX4008-I2C" |
| |
| #endif /* __ASM_ARCH_I2C_H */ |
