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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/time.h>
#include "pcilib.h"
#include "pci.h"
#include "error.h"
#include "tools.h"
#include "nwl.h"
#include "nwl_defines.h"
int dma_nwl_enable_irq(nwl_dma_t *ctx, pcilib_irq_type_t type) {
uint32_t val;
if (ctx->irq_enabled == type) return 0;
nwl_read_register(val, ctx, ctx->base_addr, REG_DMA_CTRL_STATUS);
val &= ~(DMA_INT_ENABLE|DMA_USER_INT_ENABLE);
nwl_write_register(val, ctx, ctx->base_addr, REG_DMA_CTRL_STATUS);
pcilib_clear_irq(ctx->pcilib, NWL_DMA_IRQ_SOURCE);
if (type & PCILIB_DMA_IRQ) val |= DMA_INT_ENABLE;
if (type & PCILIB_EVENT_IRQ) val |= DMA_USER_INT_ENABLE;
nwl_write_register(val, ctx, ctx->base_addr, REG_DMA_CTRL_STATUS);
ctx->irq_enabled = type;
return 0;
}
int dma_nwl_disable_irq(nwl_dma_t *ctx) {
uint32_t val;
ctx->irq_enabled = 0;
nwl_read_register(val, ctx, ctx->base_addr, REG_DMA_CTRL_STATUS);
val &= ~(DMA_INT_ENABLE|DMA_USER_INT_ENABLE);
nwl_write_register(val, ctx, ctx->base_addr, REG_DMA_CTRL_STATUS);
return 0;
}
int dma_nwl_enable_engine_irq(nwl_dma_t *ctx, pcilib_dma_engine_t dma) {
uint32_t val;
dma_nwl_enable_irq(ctx, ctx->irq_enabled|PCILIB_DMA_IRQ);
nwl_read_register(val, ctx, ctx->engines[dma].base_addr, REG_DMA_ENG_CTRL_STATUS);
val |= (DMA_ENG_INT_ENABLE);
nwl_write_register(val, ctx, ctx->engines[dma].base_addr, REG_DMA_ENG_CTRL_STATUS);
return 0;
}
int dma_nwl_disable_engine_irq(nwl_dma_t *ctx, pcilib_dma_engine_t dma) {
uint32_t val;
nwl_read_register(val, ctx, ctx->engines[dma].base_addr, REG_DMA_ENG_CTRL_STATUS);
val &= ~(DMA_ENG_INT_ENABLE);
nwl_write_register(val, ctx, ctx->engines[dma].base_addr, REG_DMA_ENG_CTRL_STATUS);
return 0;
}
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