| Jassi Brar | b3040e4 | 2010-05-23 20:28:19 -0700 | [diff] [blame] | 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_ */ |