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b3040e40 JB |
1 | /* 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 | ||
17 | struct 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 | ||
30 | struct 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_ */ |