diff options
Diffstat (limited to 'include/linux/atmel_serial.h')
| -rw-r--r-- | include/linux/atmel_serial.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/include/linux/atmel_serial.h b/include/linux/atmel_serial.h new file mode 100644 index 00000000000..fd6833764d7 --- /dev/null +++ b/include/linux/atmel_serial.h @@ -0,0 +1,127 @@ +/* + * 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 */ + +#endif |