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-rw-r--r--dma/nwl.c139
1 files changed, 0 insertions, 139 deletions
diff --git a/dma/nwl.c b/dma/nwl.c
deleted file mode 100644
index 52b46ef..0000000
--- a/dma/nwl.c
+++ /dev/null
@@ -1,139 +0,0 @@
-#define _PCILIB_DMA_NWL_C
-#define _BSD_SOURCE
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/time.h>
-
-#include "pci.h"
-#include "pcilib.h"
-#include "error.h"
-#include "tools.h"
-#include "nwl_private.h"
-
-#include "nwl_defines.h"
-
-int dma_nwl_start(pcilib_dma_context_t *vctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t flags) {
- int err;
- nwl_dma_t *ctx = (nwl_dma_t*)vctx;
-
- if (!ctx->started) {
- // global initialization, should we do anything?
- ctx->started = 1;
- }
-
- if (dma == PCILIB_DMA_ENGINE_INVALID) return 0;
- else if (dma > ctx->n_engines) return PCILIB_ERROR_INVALID_BANK;
-
- if (flags&PCILIB_DMA_FLAG_PERSISTENT) ctx->engines[dma].preserve = 1;
-
- err = dma_nwl_start_engine(ctx, dma);
-
- return err;
-}
-
-int dma_nwl_stop(pcilib_dma_context_t *vctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t flags) {
- int err;
- int preserving = 0;
-
- nwl_dma_t *ctx = (nwl_dma_t*)vctx;
-
- if (!ctx->started) return 0;
-
- // stop everything
- if (dma == PCILIB_DMA_ENGINE_INVALID) {
- for (dma = 0; dma < ctx->n_engines; dma++) {
- if (flags&PCILIB_DMA_FLAG_PERSISTENT) {
- ctx->engines[dma].preserve = 0;
- }
-
- if (ctx->engines[dma].preserve) preserving = 1;
-
- err = dma_nwl_stop_engine(ctx, dma);
- if (err) return err;
- }
-
- // global cleanup, should we do anything?
- if (!preserving) {
- ctx->started = 0;
- }
-
- return 0;
- }
-
- if (dma > ctx->n_engines) return PCILIB_ERROR_INVALID_BANK;
-
- // ignorign previous setting if flag specified
- if (flags&PCILIB_DMA_FLAG_PERSISTENT) {
- ctx->engines[dma].preserve = 0;
- }
-
- return dma_nwl_stop_engine(ctx, dma);
-}
-
-
-pcilib_dma_context_t *dma_nwl_init(pcilib_t *pcilib, pcilib_dma_modification_t type, void *arg) {
- int i;
- int err;
- pcilib_dma_engine_t n_engines;
-
- pcilib_model_description_t *model_info = pcilib_get_model_description(pcilib);
-
- nwl_dma_t *ctx = malloc(sizeof(nwl_dma_t));
- if (ctx) {
- memset(ctx, 0, sizeof(nwl_dma_t));
- ctx->pcilib = pcilib;
- ctx->type = type;
-
- if (type == PCILIB_NWL_MODIFICATION_IPECAMERA) {
- ctx->dmactx.ignore_eop = 1;
- }
-
- pcilib_register_bank_t dma_bank = pcilib_find_bank_by_addr(pcilib, PCILIB_REGISTER_BANK_DMA);
- if (dma_bank == PCILIB_REGISTER_BANK_INVALID) {
- free(ctx);
- pcilib_error("DMA Register Bank could not be found");
- return NULL;
- }
-
- ctx->dma_bank = model_info->banks + dma_bank;
- ctx->base_addr = pcilib_resolve_register_address(pcilib, ctx->dma_bank->bar, ctx->dma_bank->read_addr);
-
- for (i = 0, n_engines = 0; i < 2 * PCILIB_MAX_DMA_ENGINES; i++) {
- char *addr = ctx->base_addr + DMA_OFFSET + i * DMA_ENGINE_PER_SIZE;
-
- memset(ctx->engines + n_engines, 0, sizeof(pcilib_nwl_engine_description_t));
-
- err = dma_nwl_read_engine_config(ctx, ctx->engines + n_engines, addr);
- if (err) continue;
-
- pcilib_set_dma_engine_description(pcilib, n_engines, (pcilib_dma_engine_description_t*)(ctx->engines + n_engines));
- ++n_engines;
- }
- pcilib_set_dma_engine_description(pcilib, n_engines, NULL);
-
- ctx->n_engines = n_engines;
-
- err = nwl_add_registers(ctx);
- if (err) {
- free(ctx);
- pcilib_error("Failed to add DMA registers");
- return NULL;
- }
- }
- return (pcilib_dma_context_t*)ctx;
-}
-
-void dma_nwl_free(pcilib_dma_context_t *vctx) {
- nwl_dma_t *ctx = (nwl_dma_t*)vctx;
-
- if (ctx) {
- if (ctx->type == PCILIB_DMA_MODIFICATION_DEFAULT) dma_nwl_stop_loopback(ctx);
- dma_nwl_free_irq(ctx);
- dma_nwl_stop(vctx, PCILIB_DMA_ENGINE_ALL, PCILIB_DMA_FLAGS_DEFAULT);
-
- free(ctx);
- }
-}