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Jassi Brarb3040e42010-05-23 20:28:19 -07001/* linux/include/linux/amba/pl330.h
2 *
3 * Copyright (C) 2010 Samsung Electronics Co. Ltd.
4 * Jaswinder Singh <jassi.brar@samsung.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 */
11
12#ifndef __AMBA_PL330_H_
13#define __AMBA_PL330_H_
14
15#include <asm/hardware/pl330.h>
16
17struct dma_pl330_peri {
18 /*
19 * Peri_Req i/f of the DMAC that is
20 * peripheral could be reached from.
21 */
22 u8 peri_id; /* {0, 31} */
23 enum pl330_reqtype rqtype;
24
25 /* For M->D and D->M Channels */
26 int burst_sz; /* in power of 2 */
27 dma_addr_t fifo_addr;
28};
29
30struct dma_pl330_platdata {
31 /*
32 * Number of valid peripherals connected to DMAC.
33 * This may be different from the value read from
34 * CR0, as the PL330 implementation might have 'holes'
35 * in the peri list or the peri could also be reached
36 * from another DMAC which the platform prefers.
37 */
38 u8 nr_valid_peri;
39 /* Array of valid peripherals */
40 struct dma_pl330_peri *peri;
41 /* Bytes to allocate for MC buffer */
42 unsigned mcbuf_sz;
43};
44
45#endif /* __AMBA_PL330_H_ */