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Andrew Victor1e6c9c22006-01-10 16:59:27 +00001/*
Haavard Skinnemoen5b348212006-10-04 16:02:00 +02002 * drivers/serial/atmel_serial.h
Andrew Victor1e6c9c22006-01-10 16:59:27 +00003 *
4 * Copyright (C) 2005 Ivan Kokshaysky
5 * Copyright (C) SAN People
6 *
7 * USART registers.
8 * Based on AT91RM9200 datasheet revision E.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 */
15
Haavard Skinnemoen7192f922006-10-04 16:02:05 +020016#ifndef ATMEL_SERIAL_H
17#define ATMEL_SERIAL_H
Andrew Victor1e6c9c22006-01-10 16:59:27 +000018
Haavard Skinnemoen7192f922006-10-04 16:02:05 +020019#define ATMEL_US_CR 0x00 /* Control Register */
20#define ATMEL_US_RSTRX (1 << 2) /* Reset Receiver */
21#define ATMEL_US_RSTTX (1 << 3) /* Reset Transmitter */
22#define ATMEL_US_RXEN (1 << 4) /* Receiver Enable */
23#define ATMEL_US_RXDIS (1 << 5) /* Receiver Disable */
24#define ATMEL_US_TXEN (1 << 6) /* Transmitter Enable */
25#define ATMEL_US_TXDIS (1 << 7) /* Transmitter Disable */
26#define ATMEL_US_RSTSTA (1 << 8) /* Reset Status Bits */
27#define ATMEL_US_STTBRK (1 << 9) /* Start Break */
28#define ATMEL_US_STPBRK (1 << 10) /* Stop Break */
29#define ATMEL_US_STTTO (1 << 11) /* Start Time-out */
30#define ATMEL_US_SENDA (1 << 12) /* Send Address */
31#define ATMEL_US_RSTIT (1 << 13) /* Reset Iterations */
32#define ATMEL_US_RSTNACK (1 << 14) /* Reset Non Acknowledge */
33#define ATMEL_US_RETTO (1 << 15) /* Rearm Time-out */
34#define ATMEL_US_DTREN (1 << 16) /* Data Terminal Ready Enable */
35#define ATMEL_US_DTRDIS (1 << 17) /* Data Terminal Ready Disable */
36#define ATMEL_US_RTSEN (1 << 18) /* Request To Send Enable */
37#define ATMEL_US_RTSDIS (1 << 19) /* Request To Send Disable */
Andrew Victor1e6c9c22006-01-10 16:59:27 +000038
Haavard Skinnemoen7192f922006-10-04 16:02:05 +020039#define ATMEL_US_MR 0x04 /* Mode Register */
40#define ATMEL_US_USMODE (0xf << 0) /* Mode of the USART */
41#define ATMEL_US_USMODE_NORMAL 0
42#define ATMEL_US_USMODE_RS485 1
43#define ATMEL_US_USMODE_HWHS 2
44#define ATMEL_US_USMODE_MODEM 3
45#define ATMEL_US_USMODE_ISO7816_T0 4
46#define ATMEL_US_USMODE_ISO7816_T1 6
47#define ATMEL_US_USMODE_IRDA 8
48#define ATMEL_US_USCLKS (3 << 4) /* Clock Selection */
49#define ATMEL_US_CHRL (3 << 6) /* Character Length */
50#define ATMEL_US_CHRL_5 (0 << 6)
51#define ATMEL_US_CHRL_6 (1 << 6)
52#define ATMEL_US_CHRL_7 (2 << 6)
53#define ATMEL_US_CHRL_8 (3 << 6)
54#define ATMEL_US_SYNC (1 << 8) /* Synchronous Mode Select */
55#define ATMEL_US_PAR (7 << 9) /* Parity Type */
56#define ATMEL_US_PAR_EVEN (0 << 9)
57#define ATMEL_US_PAR_ODD (1 << 9)
58#define ATMEL_US_PAR_SPACE (2 << 9)
59#define ATMEL_US_PAR_MARK (3 << 9)
60#define ATMEL_US_PAR_NONE (4 << 9)
61#define ATMEL_US_PAR_MULTI_DROP (6 << 9)
62#define ATMEL_US_NBSTOP (3 << 12) /* Number of Stop Bits */
63#define ATMEL_US_NBSTOP_1 (0 << 12)
64#define ATMEL_US_NBSTOP_1_5 (1 << 12)
65#define ATMEL_US_NBSTOP_2 (2 << 12)
66#define ATMEL_US_CHMODE (3 << 14) /* Channel Mode */
67#define ATMEL_US_CHMODE_NORMAL (0 << 14)
68#define ATMEL_US_CHMODE_ECHO (1 << 14)
69#define ATMEL_US_CHMODE_LOC_LOOP (2 << 14)
70#define ATMEL_US_CHMODE_REM_LOOP (3 << 14)
71#define ATMEL_US_MSBF (1 << 16) /* Bit Order */
72#define ATMEL_US_MODE9 (1 << 17) /* 9-bit Character Length */
73#define ATMEL_US_CLKO (1 << 18) /* Clock Output Select */
74#define ATMEL_US_OVER (1 << 19) /* Oversampling Mode */
75#define ATMEL_US_INACK (1 << 20) /* Inhibit Non Acknowledge */
76#define ATMEL_US_DSNACK (1 << 21) /* Disable Successive NACK */
77#define ATMEL_US_MAX_ITER (7 << 24) /* Max Iterations */
78#define ATMEL_US_FILTER (1 << 28) /* Infrared Receive Line Filter */
Andrew Victor1e6c9c22006-01-10 16:59:27 +000079
Haavard Skinnemoen7192f922006-10-04 16:02:05 +020080#define ATMEL_US_IER 0x08 /* Interrupt Enable Register */
81#define ATMEL_US_RXRDY (1 << 0) /* Receiver Ready */
82#define ATMEL_US_TXRDY (1 << 1) /* Transmitter Ready */
83#define ATMEL_US_RXBRK (1 << 2) /* Break Received / End of Break */
84#define ATMEL_US_ENDRX (1 << 3) /* End of Receiver Transfer */
85#define ATMEL_US_ENDTX (1 << 4) /* End of Transmitter Transfer */
86#define ATMEL_US_OVRE (1 << 5) /* Overrun Error */
87#define ATMEL_US_FRAME (1 << 6) /* Framing Error */
88#define ATMEL_US_PARE (1 << 7) /* Parity Error */
89#define ATMEL_US_TIMEOUT (1 << 8) /* Receiver Time-out */
90#define ATMEL_US_TXEMPTY (1 << 9) /* Transmitter Empty */
91#define ATMEL_US_ITERATION (1 << 10) /* Max number of Repetitions Reached */
92#define ATMEL_US_TXBUFE (1 << 11) /* Transmission Buffer Empty */
93#define ATMEL_US_RXBUFF (1 << 12) /* Reception Buffer Full */
94#define ATMEL_US_NACK (1 << 13) /* Non Acknowledge */
95#define ATMEL_US_RIIC (1 << 16) /* Ring Indicator Input Change */
96#define ATMEL_US_DSRIC (1 << 17) /* Data Set Ready Input Change */
97#define ATMEL_US_DCDIC (1 << 18) /* Data Carrier Detect Input Change */
98#define ATMEL_US_CTSIC (1 << 19) /* Clear to Send Input Change */
99#define ATMEL_US_RI (1 << 20) /* RI */
100#define ATMEL_US_DSR (1 << 21) /* DSR */
101#define ATMEL_US_DCD (1 << 22) /* DCD */
102#define ATMEL_US_CTS (1 << 23) /* CTS */
Andrew Victor1e6c9c22006-01-10 16:59:27 +0000103
Haavard Skinnemoen7192f922006-10-04 16:02:05 +0200104#define ATMEL_US_IDR 0x0c /* Interrupt Disable Register */
105#define ATMEL_US_IMR 0x10 /* Interrupt Mask Register */
106#define ATMEL_US_CSR 0x14 /* Channel Status Register */
107#define ATMEL_US_RHR 0x18 /* Receiver Holding Register */
108#define ATMEL_US_THR 0x1c /* Transmitter Holding Register */
Andrew Victor1e6c9c22006-01-10 16:59:27 +0000109
Haavard Skinnemoen7192f922006-10-04 16:02:05 +0200110#define ATMEL_US_BRGR 0x20 /* Baud Rate Generator Register */
111#define ATMEL_US_CD (0xffff << 0) /* Clock Divider */
Andrew Victor1e6c9c22006-01-10 16:59:27 +0000112
Haavard Skinnemoen7192f922006-10-04 16:02:05 +0200113#define ATMEL_US_RTOR 0x24 /* Receiver Time-out Register */
114#define ATMEL_US_TO (0xffff << 0) /* Time-out Value */
Andrew Victor1e6c9c22006-01-10 16:59:27 +0000115
Haavard Skinnemoen7192f922006-10-04 16:02:05 +0200116#define ATMEL_US_TTGR 0x28 /* Transmitter Timeguard Register */
117#define ATMEL_US_TG (0xff << 0) /* Timeguard Value */
Andrew Victor1e6c9c22006-01-10 16:59:27 +0000118
Haavard Skinnemoen7192f922006-10-04 16:02:05 +0200119#define ATMEL_US_FIDI 0x40 /* FI DI Ratio Register */
120#define ATMEL_US_NER 0x44 /* Number of Errors Register */
121#define ATMEL_US_IF 0x4c /* IrDA Filter Register */
Andrew Victor1e6c9c22006-01-10 16:59:27 +0000122
123#endif