/alps/ipecamera

#ifndef _PCILIB_DMA_NWL_PRIVATE_H

#define _PCILIB_DMA_NWL_PRIVATE_H

 

typedef struct nwl_dma_s nwl_dma_t;

typedef struct pcilib_nwl_engine_description_s pcilib_nwl_engine_description_t;

 

#define NWL_DMA_IRQ_SOURCE 0

 

#define NWL_XAUI_ENGINE 0

#define NWL_XRAWDATA_ENGINE 1

#define NWL_MAX_PACKET_SIZE 4096 //16384

//#define NWL_GENERATE_DMA_IRQ

 

#define PCILIB_NWL_ALIGNMENT                    64  // in bytes

#define PCILIB_NWL_DMA_DESCRIPTOR_SIZE          64  // in bytes

#define PCILIB_NWL_DMA_PAGES                    256 // 1024

 

//#define DEBUG_HARDWARE

//#define DEBUG_NWL

 

#include "nwl.h"

#include "nwl_irq.h"

#include "nwl_register.h"

#include "nwl_engine.h"

#include "nwl_loopback.h"

 

#define nwl_read_register(var, ctx, base, reg) pcilib_datacpy(&var, base + reg, 4, 1, ctx->dma_bank->raw_endianess)

#define nwl_write_register(var, ctx, base, reg) pcilib_datacpy(base + reg, &var, 4, 1, ctx->dma_bank->raw_endianess)

 

struct pcilib_nwl_engine_description_s {

    pcilib_dma_engine_description_t desc;

    char *base_addr;

    

    size_t ring_size, page_size;

    size_t head, tail;

    pcilib_kmem_handle_t *ring;

    pcilib_kmem_handle_t *pages;

    

    int started;                        /**< indicates that DMA buffers are initialized and reading is allowed */

    int writting;                       /**< indicates that we are in middle of writting packet */

    int reused;                         /**< indicates that DMA was found intialized, buffers were reused, and no additional initialization is needed */

    int preserve;                       /**< indicates that DMA should not be stopped during clean-up */

};

 

 

struct nwl_dma_s {

    struct pcilib_dma_context_s dmactx;

    

    pcilib_t *pcilib;

    

    pcilib_dma_modification_t type;

    

    pcilib_register_bank_description_t *dma_bank;

    char *base_addr;

 

    pcilib_irq_type_t irq_enabled;      /**< indicates that IRQs are enabled */

    pcilib_irq_type_t irq_preserve;     /**< indicates that IRQs should not be disabled during clean-up */

    int started;                        /**< indicates that DMA subsystem is initialized and DMA engine can start */

    int irq_started;                    /**< indicates that IRQ subsystem is initialized (detecting which types should be preserverd) */    

    int loopback_started;               /**< indicates that benchmarking subsystem is initialized */

 

    pcilib_dma_engine_t n_engines;

    pcilib_nwl_engine_description_t engines[PCILIB_MAX_DMA_ENGINES + 1];

};

 

 

#endif /* _PCILIB_DMA_NWL_PRIVATE_H */