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| author | Suren A. Chilingaryan <csa@dside.dyndns.org> | 2011-07-12 14:51:11 +0200 |
|---|---|---|
| committer | Suren A. Chilingaryan <csa@dside.dyndns.org> | 2011-07-12 14:51:11 +0200 |
| commit | 6c922712fd8ee7e75a1b45c4980be22d36d0d1d9 (patch) | |
| tree | f10f58ea417b269447f3c3db805e7a5269e845cf /dma/nwl_buffers.h | |
| parent | 493958c9cf11eaa25251d91e9ecab9a28bd6d68f (diff) | |
| download | pcitool-6c922712fd8ee7e75a1b45c4980be22d36d0d1d9.tar.gz pcitool-6c922712fd8ee7e75a1b45c4980be22d36d0d1d9.tar.bz2 pcitool-6c922712fd8ee7e75a1b45c4980be22d36d0d1d9.tar.xz pcitool-6c922712fd8ee7e75a1b45c4980be22d36d0d1d9.zip | |
Another reorganization of NWL sources
Diffstat (limited to 'dma/nwl_buffers.h')
| -rw-r--r-- | dma/nwl_buffers.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/dma/nwl_buffers.h b/dma/nwl_buffers.h index e059b97..35f4781 100644 --- a/dma/nwl_buffers.h +++ b/dma/nwl_buffers.h @@ -2,6 +2,17 @@ #define NWL_RING_SET(data, offset, val) *(uint32_t*)(((char*)(data)) + (offset)) = (val) #define NWL_RING_UPDATE(data, offset, mask, val) *(uint32_t*)(((char*)(data)) + (offset)) = ((*(uint32_t*)(((char*)(data)) + (offset)))&(mask))|(val) +int dma_nwl_sync_buffers(nwl_dma_t *ctx, pcilib_nwl_engine_description_t *info, pcilib_kmem_handle_t *kmem) { + switch (info->desc.direction) { + case PCILIB_DMA_FROM_DEVICE: + return pcilib_sync_kernel_memory(ctx->pcilib, kmem, PCILIB_KMEM_SYNC_FROMDEVICE); + case PCILIB_DMA_TO_DEVICE: + return pcilib_sync_kernel_memory(ctx->pcilib, kmem, PCILIB_KMEM_SYNC_TODEVICE); + } + + return 0; +} + int dma_nwl_allocate_engine_buffers(nwl_dma_t *ctx, pcilib_nwl_engine_description_t *info) { int err = 0; |