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atmel_pdc.h
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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