From 4a39fdf798b4f8f6dadc7109f04587dced12b5a9 Mon Sep 17 00:00:00 2001 From: "Suren A. Chilingaryan" Date: Tue, 13 Nov 2012 15:58:41 +0100 Subject: DMA-independent IRQ functions --- dma.c | 44 +++++--------------------------------------- 1 file changed, 5 insertions(+), 39 deletions(-) (limited to 'dma.c') diff --git a/dma.c b/dma.c index c65bad6..e3bc77c 100644 --- a/dma.c +++ b/dma.c @@ -80,6 +80,7 @@ int pcilib_start_dma(pcilib_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t int pcilib_stop_dma(pcilib_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t flags) { const pcilib_dma_info_t *info = pcilib_get_dma_info(ctx); + if (!info) { pcilib_error("DMA is not supported by the device"); return PCILIB_ERROR_NOTSUPPORTED; @@ -99,63 +100,28 @@ int pcilib_stop_dma(pcilib_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t f int pcilib_enable_irq(pcilib_t *ctx, pcilib_irq_type_t irq_type, pcilib_dma_flags_t flags) { const pcilib_dma_info_t *info = pcilib_get_dma_info(ctx); - if (!info) { - //pcilib_error("DMA is not supported by the device"); - return PCILIB_ERROR_NOTSUPPORTED; - } - if (!ctx->model_info.dma_api) { - //pcilib_error("DMA Engine is not configured in the current model"); - return PCILIB_ERROR_NOTAVAILABLE; - } - - if (!ctx->model_info.dma_api->enable_irq) { - return 0; - } + if ((!info)||(!ctx->model_info.dma_api)||(!ctx->model_info.dma_api->enable_irq)) return 0; return ctx->model_info.dma_api->enable_irq(ctx->dma_ctx, irq_type, flags); } int pcilib_disable_irq(pcilib_t *ctx, pcilib_dma_flags_t flags) { const pcilib_dma_info_t *info = pcilib_get_dma_info(ctx); - if (!info) { - pcilib_error("DMA is not supported by the device"); - return PCILIB_ERROR_NOTSUPPORTED; - } - if (!ctx->model_info.dma_api) { - pcilib_error("DMA Engine is not configured in the current model"); - return PCILIB_ERROR_NOTAVAILABLE; - } - - if (!ctx->model_info.dma_api->disable_irq) { - return 0; - } - + if ((!info)||(!ctx->model_info.dma_api)||(!ctx->model_info.dma_api->disable_irq)) return 0; + return ctx->model_info.dma_api->disable_irq(ctx->dma_ctx, flags); } int pcilib_acknowledge_irq(pcilib_t *ctx, pcilib_irq_type_t irq_type, pcilib_irq_source_t irq_source) { const pcilib_dma_info_t *info = pcilib_get_dma_info(ctx); - if (!info) { - pcilib_error("DMA is not supported by the device"); - return PCILIB_ERROR_NOTSUPPORTED; - } - if (!ctx->model_info.dma_api) { - pcilib_error("DMA Engine is not configured in the current model"); - return PCILIB_ERROR_NOTAVAILABLE; - } - - if (!ctx->model_info.dma_api->acknowledge_irq) { - return 0; - } + if ((!info)||(!ctx->model_info.dma_api)||(!ctx->model_info.dma_api->acknowledge_irq)) return 0; return ctx->model_info.dma_api->acknowledge_irq(ctx->dma_ctx, irq_type, irq_source); } - - typedef struct { size_t size; void *data; -- cgit v1.2.3