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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-30 20:12:43 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-30 20:12:43 +0400 |
| commit | e38c1e54ce51059a1aa8744c895762906cf43b32 (patch) | |
| tree | 6af00994b3d07da2db3419346f740ae06f3cfe7e /include/linux/amba | |
| parent | 3e9345edd8562dc4f9bbca88a598c91c8779a9c4 (diff) | |
| parent | 7b8ddb06e54ad98edeb7951f317aee4d1feda9d6 (diff) | |
| download | linux-e38c1e54ce51059a1aa8744c895762906cf43b32.tar.xz | |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx:
DMAENGINE: DMA40 U8500 platform configuration
DMA: PL330: Add dma api driver
Diffstat (limited to 'include/linux/amba')
| -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 @@ +/* linux/include/linux/amba/pl330.h + * + * Copyright (C) 2010 Samsung Electronics Co. Ltd. + * Jaswinder Singh <jassi.brar@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __AMBA_PL330_H_ +#define __AMBA_PL330_H_ + +#include <asm/hardware/pl330.h> + +struct dma_pl330_peri { + /* + * Peri_Req i/f of the DMAC that is + * peripheral could be reached from. + */ + u8 peri_id; /* {0, 31} */ + enum pl330_reqtype rqtype; + + /* For M->D and D->M Channels */ + int burst_sz; /* in power of 2 */ + dma_addr_t fifo_addr; +}; + +struct dma_pl330_platdata { + /* + * Number of valid peripherals connected to DMAC. + * This may be different from the value read from + * CR0, as the PL330 implementation might have 'holes' + * in the peri list or the peri could also be reached + * from another DMAC which the platform prefers. + */ + u8 nr_valid_peri; + /* Array of valid peripherals */ + struct dma_pl330_peri *peri; + /* Bytes to allocate for MC buffer */ + unsigned mcbuf_sz; +}; + +#endif /* __AMBA_PL330_H_ */ |