1/*
2 * include/linux/atmel_pdc.h
3 *
4 * Copyright (C) 2005 Ivan Kokshaysky
5 * Copyright (C) SAN People
6 *
7 * Peripheral Data Controller (PDC) 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
16#ifndef ATMEL_PDC_H
17#define ATMEL_PDC_H
18
19#define ATMEL_PDC_RPR		0x100	/* Receive Pointer Register */
20#define ATMEL_PDC_RCR		0x104	/* Receive Counter Register */
21#define ATMEL_PDC_TPR		0x108	/* Transmit Pointer Register */
22#define ATMEL_PDC_TCR		0x10c	/* Transmit Counter Register */
23#define ATMEL_PDC_RNPR		0x110	/* Receive Next Pointer Register */
24#define ATMEL_PDC_RNCR		0x114	/* Receive Next Counter Register */
25#define ATMEL_PDC_TNPR		0x118	/* Transmit Next Pointer Register */
26#define ATMEL_PDC_TNCR		0x11c	/* Transmit Next Counter Register */
27
28#define ATMEL_PDC_PTCR		0x120	/* Transfer Control Register */
29#define		ATMEL_PDC_RXTEN		(1 << 0)	/* Receiver Transfer Enable */
30#define		ATMEL_PDC_RXTDIS	(1 << 1)	/* Receiver Transfer Disable */
31#define		ATMEL_PDC_TXTEN		(1 << 8)	/* Transmitter Transfer Enable */
32#define		ATMEL_PDC_TXTDIS	(1 << 9)	/* Transmitter Transfer Disable */
33
34#define ATMEL_PDC_PTSR		0x124	/* Transfer Status Register */
35
36#define ATMEL_PDC_SCND_BUF_OFF	0x10	/* Offset between first and second buffer registers */
37
38#endif
39