root/sys/arch/arm/at91/at91pdcreg.h
/*      $NetBSD: at91pdcreg.h,v 1.3 2009/10/23 06:53:13 snj Exp $       */

/*
 * Copyright (c) 2007 Embedtronics Oy.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _AT91PDCREG_H_
#define _AT91PDCREG_H_

#define PDC_RPR         0x00UL          /* Receive Pointer Register     */
#define PDC_RCR         0x04UL          /* Receive Counter Register     */
#define PDC_TPR         0x08UL          /* Transmit Pointer Register    */
#define PDC_TCR         0x0CUL          /* Transmit Counter Register    */
#define PDC_RNPR        0x10UL          /* Receive Next Pointer Reg     */
#define PDC_RNCR        0x14UL          /* Receive Next Counter Reg     */
#define PDC_TNPR        0x18UL          /* Transmit Next Ptt Register   */
#define PDC_TNCR        0x1CUL          /* Transmit Next Counter Reg    */
#define PDC_PTCR        0x20UL          /* PDC Transfer Ctl Reg PDC_    */
#define PDC_PTSR        0x24UL          /* PDC Transfer Status Reg      */

/* Transfer Control Register bits: */
#define PDC_PTCR_TXTDIS 0x200           /* disable transmitter          */
#define PDC_PTCR_TXTEN  0x100           /* enable transmitter           */
#define PDC_PTCR_RXTDIS 0x002           /* disable receiver             */
#define PDC_PTCR_RXTEN  0x001           /* enable receiver              */

/* Transfer Status Register bits: */
#define PDC_PTSR_TXTEN  PDC_PTCR_TXTEN
#define PDC_PTSR_RXTEN  PDC_PTCR_RXTEN

#endif  // _AT91PDCREG_H_