atmel_pdc.h

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/*
 * include/linux/atmel_pdc.h
 *
 * Copyright (C) 2005 Ivan Kokshaysky
 * Copyright (C) SAN People
 *
 * Peripheral Data Controller (PDC) 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_PDC_H
#define ATMEL_PDC_H

#define ATMEL_PDC_RPR       0x100   /* Receive Pointer Register */
#define ATMEL_PDC_RCR       0x104   /* Receive Counter Register */
#define ATMEL_PDC_TPR       0x108   /* Transmit Pointer Register */
#define ATMEL_PDC_TCR       0x10c   /* Transmit Counter Register */
#define ATMEL_PDC_RNPR      0x110   /* Receive Next Pointer Register */
#define ATMEL_PDC_RNCR      0x114   /* Receive Next Counter Register */
#define ATMEL_PDC_TNPR      0x118   /* Transmit Next Pointer Register */
#define ATMEL_PDC_TNCR      0x11c   /* Transmit Next Counter Register */

#define ATMEL_PDC_PTCR      0x120   /* Transfer Control Register */
#define     ATMEL_PDC_RXTEN     (1 << 0)    /* Receiver Transfer Enable */
#define     ATMEL_PDC_RXTDIS    (1 << 1)    /* Receiver Transfer Disable */
#define     ATMEL_PDC_TXTEN     (1 << 8)    /* Transmitter Transfer Enable */
#define     ATMEL_PDC_TXTDIS    (1 << 9)    /* Transmitter Transfer Disable */

#define ATMEL_PDC_PTSR      0x124   /* Transfer Status Register */

#define ATMEL_PDC_SCND_BUF_OFF  0x10    /* Offset between first and second buffer registers */

#endif