diff options
Diffstat (limited to 'include/linux/amba/pl330.h')
-rw-r--r-- | include/linux/amba/pl330.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/linux/amba/pl330.h b/include/linux/amba/pl330.h new file mode 100644 index 000000000000..cbee7de7dd36 --- /dev/null +++ b/include/linux/amba/pl330.h | |||
@@ -0,0 +1,45 @@ | |||
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_ */ | ||