/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* include/linux/atmel_pdc.h
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*
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* Copyright (C) 2005 Ivan Kokshaysky
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* Copyright (C) SAN People
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*
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* Peripheral Data Controller (PDC) registers.
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* Based on AT91RM9200 datasheet revision E.
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*/
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#ifndef ATMEL_PDC_H
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#define ATMEL_PDC_H
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#define ATMEL_PDC_RPR 0x100 /* Receive Pointer Register */
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#define ATMEL_PDC_RCR 0x104 /* Receive Counter Register */
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#define ATMEL_PDC_TPR 0x108 /* Transmit Pointer Register */
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#define ATMEL_PDC_TCR 0x10c /* Transmit Counter Register */
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#define ATMEL_PDC_RNPR 0x110 /* Receive Next Pointer Register */
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#define ATMEL_PDC_RNCR 0x114 /* Receive Next Counter Register */
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#define ATMEL_PDC_TNPR 0x118 /* Transmit Next Pointer Register */
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#define ATMEL_PDC_TNCR 0x11c /* Transmit Next Counter Register */
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#define ATMEL_PDC_PTCR 0x120 /* Transfer Control Register */
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#define ATMEL_PDC_RXTEN (1 << 0) /* Receiver Transfer Enable */
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#define ATMEL_PDC_RXTDIS (1 << 1) /* Receiver Transfer Disable */
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#define ATMEL_PDC_TXTEN (1 << 8) /* Transmitter Transfer Enable */
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#define ATMEL_PDC_TXTDIS (1 << 9) /* Transmitter Transfer Disable */
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#define ATMEL_PDC_PTSR 0x124 /* Transfer Status Register */
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#define ATMEL_PDC_SCND_BUF_OFF 0x10 /* Offset between first and second buffer registers */
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#endif
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