From a5da7db50d02878b6d9c844b18d0d3f8ccf6c62b Mon Sep 17 00:00:00 2001 From: "Suren A. Chilingaryan" Date: Wed, 2 Mar 2016 02:26:24 +0100 Subject: Distinguish between hardware and bus addresses in pcilib --- dma/nwl_engine.c | 4 ++-- dma/nwl_engine_buffers.h | 6 +++--- 2 files changed, 5 insertions(+), 5 deletions(-) (limited to 'dma') diff --git a/dma/nwl_engine.c b/dma/nwl_engine.c index c3dea49..b098943 100644 --- a/dma/nwl_engine.c +++ b/dma/nwl_engine.c @@ -124,7 +124,7 @@ int dma_nwl_start_engine(nwl_dma_t *ctx, pcilib_dma_engine_t dma) { dma_nwl_acknowledge_irq((pcilib_dma_context_t*)ctx, PCILIB_DMA_IRQ, dma); - ring_pa = pcilib_kmem_get_pa(ctx->dmactx.pcilib, ectx->ring); + ring_pa = pcilib_kmem_get_ba(ctx->dmactx.pcilib, ectx->ring); nwl_write_register(ring_pa, ctx, ectx->base_addr, REG_DMA_ENG_NEXT_BD); nwl_write_register(ring_pa, ctx, ectx->base_addr, REG_SW_NEXT_BD); @@ -188,7 +188,7 @@ int dma_nwl_stop_engine(nwl_dma_t *ctx, pcilib_dma_engine_t dma) { } while ((val & (DMA_ENG_RUNNING))&&(((cur.tv_sec - start.tv_sec)*1000000 + (cur.tv_usec - start.tv_usec)) < PCILIB_NWL_REGISTER_TIMEOUT)); if (ectx->ring) { - ring_pa = pcilib_kmem_get_pa(ctx->dmactx.pcilib, ectx->ring); + ring_pa = pcilib_kmem_get_ba(ctx->dmactx.pcilib, ectx->ring); nwl_write_register(ring_pa, ctx, ectx->base_addr, REG_DMA_ENG_NEXT_BD); nwl_write_register(ring_pa, ctx, ectx->base_addr, REG_SW_NEXT_BD); } diff --git a/dma/nwl_engine_buffers.h b/dma/nwl_engine_buffers.h index ef1c74f..0cc5343 100644 --- a/dma/nwl_engine_buffers.h +++ b/dma/nwl_engine_buffers.h @@ -121,7 +121,7 @@ static int dma_nwl_allocate_engine_buffers(nwl_dma_t *ctx, pcilib_nwl_engine_con unsigned char *data = (unsigned char*)pcilib_kmem_get_ua(ctx->dmactx.pcilib, ring); - uint32_t ring_pa = pcilib_kmem_get_pa(ctx->dmactx.pcilib, ring); + uint32_t ring_pa = pcilib_kmem_get_ba(ctx->dmactx.pcilib, ring); if (preserve) { if (ectx->desc->direction == PCILIB_DMA_FROM_DEVICE) err = dma_nwl_compute_read_c2s_pointers(ctx, ectx, data, ring_pa); @@ -251,7 +251,7 @@ static int dma_nwl_push_buffer(nwl_dma_t *ctx, pcilib_nwl_engine_context_t *ectx uint32_t val; unsigned char *ring = pcilib_kmem_get_ua(ctx->dmactx.pcilib, ectx->ring); - uint32_t ring_pa = pcilib_kmem_get_pa(ctx->dmactx.pcilib, ectx->ring); + uint32_t ring_pa = pcilib_kmem_get_ba(ctx->dmactx.pcilib, ectx->ring); ring += ectx->head * PCILIB_NWL_DMA_DESCRIPTOR_SIZE; @@ -338,7 +338,7 @@ static int dma_nwl_return_buffer(nwl_dma_t *ctx, pcilib_nwl_engine_context_t *ec uint32_t val; unsigned char *ring = pcilib_kmem_get_ua(ctx->dmactx.pcilib, ectx->ring); - uint32_t ring_pa = pcilib_kmem_get_pa(ctx->dmactx.pcilib, ectx->ring); + uint32_t ring_pa = pcilib_kmem_get_ba(ctx->dmactx.pcilib, ectx->ring); size_t bufsz = pcilib_kmem_get_block_size(ctx->dmactx.pcilib, ectx->pages, ectx->tail); ring += ectx->tail * PCILIB_NWL_DMA_DESCRIPTOR_SIZE; -- cgit v1.2.3