diff options
-rw-r--r-- | cli.c | 39 | ||||
-rw-r--r-- | dma.c | 9 | ||||
-rw-r--r-- | dma/nwl_buffers.h | 5 | ||||
-rw-r--r-- | dma/nwl_engine.c | 16 | ||||
-rw-r--r-- | driver/kmem.c | 6 | ||||
-rw-r--r-- | kmem.c | 5 |
6 files changed, 53 insertions, 27 deletions
@@ -894,37 +894,46 @@ int StartStopDMA(pcilib_t *handle, pcilib_model_description_t *model_info, pcil int err; pcilib_dma_engine_t dmaid; - if (dma_direction&PCILIB_DMA_FROM_DEVICE) { - if (dma == PCILIB_DMA_ENGINE_ADDR_INVALID) { - if (start) Error("DMA engine should be specified"); - dmaid = PCILIB_DMA_ENGINE_INVALID; - } else { - dmaid = pcilib_find_dma_by_addr(handle, PCILIB_DMA_FROM_DEVICE, dma); - if (dmaid == PCILIB_DMA_ENGINE_INVALID) Error("Invalid DMA engine (C2S %lu) is specified", dma); + if (dma == PCILIB_DMA_ENGINE_ADDR_INVALID) { + const pcilib_dma_info_t *dma_info = pcilib_get_dma_info(handle); + + if (start) Error("DMA engine should be specified"); + + for (dmaid = 0; dma_info->engines[dmaid]; dmaid++) { + err = pcilib_start_dma(handle, dmaid, 0); + if (err) Error("Error starting DMA Engine (%s %i)", ((dma_info->engines[dmaid]->direction == PCILIB_DMA_FROM_DEVICE)?"C2S":"S2C"), dma_info->engines[dmaid]->addr); + err = pcilib_stop_dma(handle, dmaid, PCILIB_DMA_FLAG_PERSISTENT); + if (err) Error("Error stopping DMA Engine (%s %i)", ((dma_info->engines[dmaid]->direction == PCILIB_DMA_FROM_DEVICE)?"C2S":"S2C"), dma_info->engines[dmaid]->addr); } + return 0; + } + + if (dma_direction&PCILIB_DMA_FROM_DEVICE) { + dmaid = pcilib_find_dma_by_addr(handle, PCILIB_DMA_FROM_DEVICE, dma); + if (dmaid == PCILIB_DMA_ENGINE_INVALID) Error("Invalid DMA engine (C2S %lu) is specified", dma); + if (start) { err = pcilib_start_dma(handle, dmaid, PCILIB_DMA_FLAG_PERSISTENT); if (err) Error("Error starting DMA engine (C2S %lu)", dma); } else { + err = pcilib_start_dma(handle, dmaid, 0); + if (err) Error("Error starting DMA engine (C2S %lu)", dma); err = pcilib_stop_dma(handle, dmaid, PCILIB_DMA_FLAG_PERSISTENT); if (err) Error("Error stopping DMA engine (C2S %lu)", dma); } } - + if (dma_direction&PCILIB_DMA_TO_DEVICE) { - if (dma == PCILIB_DMA_ENGINE_ADDR_INVALID) { - if (start) Error("DMA engine should be specified"); - dmaid = PCILIB_DMA_ENGINE_INVALID; - } else { - dmaid = pcilib_find_dma_by_addr(handle, PCILIB_DMA_TO_DEVICE, dma); - if (dmaid == PCILIB_DMA_ENGINE_INVALID) Error("Invalid DMA engine (S2C %lu) is specified", dma); - } + dmaid = pcilib_find_dma_by_addr(handle, PCILIB_DMA_TO_DEVICE, dma); + if (dmaid == PCILIB_DMA_ENGINE_INVALID) Error("Invalid DMA engine (S2C %lu) is specified", dma); if (start) { err = pcilib_start_dma(handle, dmaid, PCILIB_DMA_FLAG_PERSISTENT); if (err) Error("Error starting DMA engine (S2C %lu)", dma); } else { + err = pcilib_start_dma(handle, dmaid, 0); + if (err) Error("Error starting DMA engine (S2C %lu)", dma); err = pcilib_stop_dma(handle, dmaid, PCILIB_DMA_FLAG_PERSISTENT); if (err) Error("Error stopping DMA engine (S2C %lu)", dma); } @@ -72,7 +72,6 @@ int pcilib_start_dma(pcilib_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t } if (!ctx->model_info.dma_api->start_dma) { - //pcilib_error("The IRQs are not supported by configured DMA engine"); return 0; } @@ -94,10 +93,12 @@ int pcilib_stop_dma(pcilib_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t f } if (!ctx->model_info.dma_api->stop_dma) { - //pcilib_error("The IRQs are not supported by configured DMA engine"); return 0; } - + + + printf("stop dma: %li\n", dma); + return ctx->model_info.dma_api->stop_dma(ctx->dma_ctx, dma, flags); } @@ -119,7 +120,7 @@ int pcilib_enable_irq(pcilib_t *ctx, pcilib_irq_type_t irq_type, pcilib_dma_flag //pcilib_error("The IRQs are not supported by configured DMA engine"); return 0; } - + return ctx->model_info.dma_api->enable_irq(ctx->dma_ctx, irq_type, flags); } diff --git a/dma/nwl_buffers.h b/dma/nwl_buffers.h index 9e60461..c298612 100644 --- a/dma/nwl_buffers.h +++ b/dma/nwl_buffers.h @@ -113,10 +113,11 @@ static int dma_nwl_allocate_engine_buffers(nwl_dma_t *ctx, pcilib_nwl_engine_des char *base = info->base_addr; if (info->pages) return 0; - + // Or bidirectional specified by 0x0|addr, or read 0x0|addr and write 0x80|addr sub_use = info->desc.addr|(info->desc.direction == PCILIB_DMA_TO_DEVICE)?0x80:0x00; - flags = PCILIB_KMEM_FLAG_REUSE|PCILIB_KMEM_FLAG_EXCLUSIVE|PCILIB_KMEM_FLAG_HARDWARE|info->preserve?PCILIB_KMEM_FLAG_PERSISTENT:0; + flags = PCILIB_KMEM_FLAG_REUSE|PCILIB_KMEM_FLAG_EXCLUSIVE|PCILIB_KMEM_FLAG_HARDWARE|(info->preserve?PCILIB_KMEM_FLAG_PERSISTENT:0); + pcilib_kmem_handle_t *ring = pcilib_alloc_kernel_memory(ctx->pcilib, PCILIB_KMEM_TYPE_CONSISTENT, 1, PCILIB_NWL_DMA_PAGES * PCILIB_NWL_DMA_DESCRIPTOR_SIZE, PCILIB_NWL_ALIGNMENT, PCILIB_KMEM_USE(PCILIB_KMEM_USE_DMA_RING, sub_use), flags); pcilib_kmem_handle_t *pages = pcilib_alloc_kernel_memory(ctx->pcilib, PCILIB_KMEM_TYPE_PAGE, PCILIB_NWL_DMA_PAGES, 0, 0, PCILIB_KMEM_USE(PCILIB_KMEM_USE_DMA_PAGES, sub_use), flags); diff --git a/dma/nwl_engine.c b/dma/nwl_engine.c index 58d5522..68e1805 100644 --- a/dma/nwl_engine.c +++ b/dma/nwl_engine.c @@ -161,6 +161,8 @@ int dma_nwl_stop_engine(nwl_dma_t *ctx, pcilib_dma_engine_t dma) { uint32_t val; uint32_t ring_pa; struct timeval start, cur; + pcilib_kmem_flags_t flags; + pcilib_nwl_engine_description_t *info = ctx->engines + dma; char *base = ctx->engines[dma].base_addr; @@ -194,19 +196,25 @@ int dma_nwl_stop_engine(nwl_dma_t *ctx, pcilib_dma_engine_t dma) { nwl_write_register(val, ctx, base, REG_DMA_ENG_CTRL_STATUS); } + if (info->preserve) { + flags = PCILIB_KMEM_FLAG_REUSE; + } else { + flags = PCILIB_KMEM_FLAG_HARDWARE|PCILIB_KMEM_FLAG_PERSISTENT; + } + + + printf("%lx %i\n", flags, info->preserve); // Clean buffers if (info->ring) { - pcilib_free_kernel_memory(ctx->pcilib, info->ring, info->preserve?PCILIB_KMEM_FLAG_REUSE:0); + pcilib_free_kernel_memory(ctx->pcilib, info->ring, flags); info->ring = NULL; } if (info->pages) { - pcilib_free_kernel_memory(ctx->pcilib, info->pages, info->preserve?PCILIB_KMEM_FLAG_REUSE:0); + pcilib_free_kernel_memory(ctx->pcilib, info->pages, flags); info->pages = NULL; } - nwl_read_register(val, ctx, info->base_addr, REG_DMA_ENG_CTRL_STATUS); - return 0; } diff --git a/driver/kmem.c b/driver/kmem.c index a720095..a7180f8 100644 --- a/driver/kmem.c +++ b/driver/kmem.c @@ -165,6 +165,7 @@ int pcidriver_kmem_free( pcidriver_privdata_t *privdata, kmem_handle_t *kmem_han if ((kmem_entry = pcidriver_kmem_find_entry(privdata, kmem_handle)) == NULL) return -EINVAL; /* kmem_handle is not valid */ + mod_info("1: %x %lx %lx\n", kmem_handle->flags, kmem_entry->refs, kmem_entry->mode); if (kmem_entry->mode&KMEM_MODE_COUNT) kmem_entry->mode -= 1; @@ -174,6 +175,8 @@ int pcidriver_kmem_free( pcidriver_privdata_t *privdata, kmem_handle_t *kmem_han if (kmem_handle->flags&KMEM_FLAG_PERSISTENT) kmem_entry->mode &= ~KMEM_MODE_PERSISTENT; + + mod_info("2: %x %lx %lx\n", kmem_handle->flags, kmem_entry->refs, kmem_entry->mode); if (kmem_handle->flags&KMEM_FLAG_REUSE) return 0; @@ -192,6 +195,9 @@ int pcidriver_kmem_free( pcidriver_privdata_t *privdata, kmem_handle_t *kmem_han if (((kmem_entry->mode&KMEM_MODE_EXCLUSIVE)==0)&&(kmem_entry->mode&KMEM_MODE_COUNT)) return 0; + + mod_info("cleaned %i\n", kmem_entry->id); + return pcidriver_kmem_free_entry(privdata, kmem_entry); } @@ -24,7 +24,7 @@ static int pcilib_free_kernel_buffer(pcilib_t *ctx, pcilib_kmem_list_t *kbuf, si kh.handle_id = kbuf->buf.blocks[i].handle_id; kh.pa = kbuf->buf.blocks[i].pa; kh.flags = flags; - + return ioctl(ctx->handle, PCIDRIVER_IOC_KMEM_FREE, &kh); } @@ -87,6 +87,7 @@ pcilib_kmem_handle_t *pcilib_alloc_kernel_memory(pcilib_t *ctx, pcilib_kmem_type kh.size += alignment; } + printf("KMEM Flags: %lx\n", flags); for ( i = 0; i < nmemb; i++) { kh.item = i; kh.flags = flags; @@ -202,7 +203,7 @@ void pcilib_free_kernel_memory(pcilib_t *ctx, pcilib_kmem_handle_t *k, pcilib_km else if (ctx->kmem_list == kbuf) ctx->kmem_list = kbuf->next; for (i = 0; i < kbuf->buf.n_blocks; i++) { - ret = pcilib_free_kernel_buffer(ctx, kbuf, --kbuf->buf.n_blocks, flags); + ret = pcilib_free_kernel_buffer(ctx, kbuf, i, flags); if ((ret)&&(!err)) err = ret; } |