include/linux/atmel_pdc.h

root/include/linux/atmel_pdc.h
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * 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.
 */

#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
Linux
