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/*
* include/linux/atmel_serial.h
*
* Copyright (C) 2005 Ivan Kokshaysky
* Copyright (C) SAN People
*
* USART registers.
* Based on AT91RM9200 datasheet revision E.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef ATMEL_SERIAL_H
#define ATMEL_SERIAL_H
#define ATMEL_US_CR 0x00 /* Control Register */
#define ATMEL_US_RSTRX (1 << 2) /* Reset Receiver */
#define ATMEL_US_RSTTX (1 << 3) /* Reset Transmitter */
#define ATMEL_US_RXEN (1 << 4) /* Receiver Enable */
#define ATMEL_US_RXDIS (1 << 5) /* Receiver Disable */
#define ATMEL_US_TXEN (1 << 6) /* Transmitter Enable */
#define ATMEL_US_TXDIS (1 << 7) /* Transmitter Disable */
#define ATMEL_US_RSTSTA (1 << 8) /* Reset Status Bits */
#define ATMEL_US_STTBRK (1 << 9) /* Start Break */
#define ATMEL_US_STPBRK (1 << 10) /* Stop Break */
#define ATMEL_US_STTTO (1 << 11) /* Start Time-out */
#define ATMEL_US_SENDA (1 << 12) /* Send Address */
#define ATMEL_US_RSTIT (1 << 13) /* Reset Iterations */
#define ATMEL_US_RSTNACK (1 << 14) /* Reset Non Acknowledge */
#define ATMEL_US_RETTO (1 << 15) /* Rearm Time-out */
#define ATMEL_US_DTREN (1 << 16) /* Data Terminal Ready Enable [AT91RM9200 only] */
#define ATMEL_US_DTRDIS (1 << 17) /* Data Terminal Ready Disable [AT91RM9200 only] */
#define ATMEL_US_RTSEN (1 << 18) /* Request To Send Enable */
#define ATMEL_US_RTSDIS (1 << 19) /* Request To Send Disable */
#define ATMEL_US_MR 0x04 /* Mode Register */
#define ATMEL_US_USMODE (0xf << 0) /* Mode of the USART */
#define ATMEL_US_USMODE_NORMAL 0
#define ATMEL_US_USMODE_RS485 1
#define ATMEL_US_USMODE_HWHS 2
#define ATMEL_US_USMODE_MODEM 3
#define ATMEL_US_USMODE_ISO7816_T0 4
#define ATMEL_US_USMODE_ISO7816_T1 6
#define ATMEL_US_USMODE_IRDA 8
#define ATMEL_US_USCLKS (3 << 4) /* Clock Selection */
#define ATMEL_US_USCLKS_MCK (0 << 4)
#define ATMEL_US_USCLKS_MCK_DIV8 (1 << 4)
#define ATMEL_US_USCLKS_SCK (3 << 4)
#define ATMEL_US_CHRL (3 << 6) /* Character Length */
#define ATMEL_US_CHRL_5 (0 << 6)
#define ATMEL_US_CHRL_6 (1 << 6)
#define ATMEL_US_CHRL_7 (2 << 6)
#define ATMEL_US_CHRL_8 (3 << 6)
#define ATMEL_US_SYNC (1 << 8) /* Synchronous Mode Select */
#define ATMEL_US_PAR (7 << 9) /* Parity Type */
#define ATMEL_US_PAR_EVEN (0 << 9)
#define ATMEL_US_PAR_ODD (1 << 9)
#define ATMEL_US_PAR_SPACE (2 << 9)
#define ATMEL_US_PAR_MARK (3 << 9)
#define ATMEL_US_PAR_NONE (4 << 9)
#define ATMEL_US_PAR_MULTI_DROP (6 << 9)
#define ATMEL_US_NBSTOP (3 << 12) /* Number of Stop Bits */
#define ATMEL_US_NBSTOP_1 (0 << 12)
#define ATMEL_US_NBSTOP_1_5 (1 << 12)
#define ATMEL_US_NBSTOP_2 (2 << 12)
#define ATMEL_US_CHMODE (3 << 14) /* Channel Mode */
#define ATMEL_US_CHMODE_NORMAL (0 << 14)
#define ATMEL_US_CHMODE_ECHO (1 << 14)
#define ATMEL_US_CHMODE_LOC_LOOP (2 << 14)
#define ATMEL_US_CHMODE_REM_LOOP (3 << 14)
#define ATMEL_US_MSBF (1 << 16) /* Bit Order */
#define ATMEL_US_MODE9 (1 << 17) /* 9-bit Character Length */
#define ATMEL_US_CLKO (1 << 18) /* Clock Output Select */
#define ATMEL_US_OVER (1 << 19) /* Oversampling Mode */
#define ATMEL_US_INACK (1 << 20) /* Inhibit Non Acknowledge */
#define ATMEL_US_DSNACK (1 << 21) /* Disable Successive NACK */
#define ATMEL_US_MAX_ITER (7 << 24) /* Max Iterations */
#define ATMEL_US_FILTER (1 << 28) /* Infrared Receive Line Filter */
#define ATMEL_US_IER 0x08 /* Interrupt Enable Register */
#define ATMEL_US_RXRDY (1 << 0) /* Receiver Ready */
#define ATMEL_US_TXRDY (1 << 1) /* Transmitter Ready */
#define ATMEL_US_RXBRK (1 << 2) /* Break Received / End of Break */
#define ATMEL_US_ENDRX (1 << 3) /* End of Receiver Transfer */
#define ATMEL_US_ENDTX (1 << 4) /* End of Transmitter Transfer */
#define ATMEL_US_OVRE (1 << 5) /* Overrun Error */
#define ATMEL_US_FRAME (1 << 6) /* Framing Error */
#define ATMEL_US_PARE (1 << 7) /* Parity Error */
#define ATMEL_US_TIMEOUT (1 << 8) /* Receiver Time-out */
#define ATMEL_US_TXEMPTY (1 << 9) /* Transmitter Empty */
#define ATMEL_US_ITERATION (1 << 10) /* Max number of Repetitions Reached */
#define ATMEL_US_TXBUFE (1 << 11) /* Transmission Buffer Empty */
#define ATMEL_US_RXBUFF (1 << 12) /* Reception Buffer Full */
#define ATMEL_US_NACK (1 << 13) /* Non Acknowledge */
#define ATMEL_US_RIIC (1 << 16) /* Ring Indicator Input Change [AT91RM9200 only] */
#define ATMEL_US_DSRIC (1 << 17) /* Data Set Ready Input Change [AT91RM9200 only] */
#define ATMEL_US_DCDIC (1 << 18) /* Data Carrier Detect Input Change [AT91RM9200 only] */
#define ATMEL_US_CTSIC (1 << 19) /* Clear to Send Input Change */
#define ATMEL_US_RI (1 << 20) /* RI */
#define ATMEL_US_DSR (1 << 21) /* DSR */
#define ATMEL_US_DCD (1 << 22) /* DCD */
#define ATMEL_US_CTS (1 << 23) /* CTS */
#define ATMEL_US_IDR 0x0c /* Interrupt Disable Register */
#define ATMEL_US_IMR 0x10 /* Interrupt Mask Register */
#define ATMEL_US_CSR 0x14 /* Channel Status Register */
#define ATMEL_US_RHR 0x18 /* Receiver Holding Register */
#define ATMEL_US_THR 0x1c /* Transmitter Holding Register */
#define ATMEL_US_SYNH (1 << 15) /* Transmit/Receive Sync [AT91SAM9261 only] */
#define ATMEL_US_BRGR 0x20 /* Baud Rate Generator Register */
#define ATMEL_US_CD (0xffff << 0) /* Clock Divider */
#define ATMEL_US_RTOR 0x24 /* Receiver Time-out Register */
#define ATMEL_US_TO (0xffff << 0) /* Time-out Value */
#define ATMEL_US_TTGR 0x28 /* Transmitter Timeguard Register */
#define ATMEL_US_TG (0xff << 0) /* Timeguard Value */
#define ATMEL_US_FIDI 0x40 /* FI DI Ratio Register */
#define ATMEL_US_NER 0x44 /* Number of Errors Register */
#define ATMEL_US_IF 0x4c /* IrDA Filter Register */
#define ATMEL_US_NAME 0xf0 /* Ip Name */
#define ATMEL_US_VERSION 0xfc /* Ip Version */
#endif
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