diff options
Diffstat (limited to 'dma.h')
-rw-r--r-- | dma.h | 86 |
1 files changed, 0 insertions, 86 deletions
@@ -1,86 +0,0 @@ -#ifndef _PCILIB_DMA_H -#define _PCILIB_DMA_H - -#define PCILIB_DMA_BUFFER_INVALID ((size_t)-1) - - -typedef struct { - int started; - size_t ring_size, buffer_size; - size_t ring_head, ring_tail; -} pcilib_dma_engine_status_t; - -typedef enum { - PCILIB_DMA_TYPE_BLOCK, - PCILIB_DMA_TYPE_PACKET, - PCILIB_DMA_TYPE_UNKNOWN -} pcilib_dma_engine_type_t; - -typedef struct { - pcilib_dma_engine_addr_t addr; - pcilib_dma_engine_type_t type; - pcilib_dma_direction_t direction; - size_t addr_bits; - - const char *name; - const char *description; -} pcilib_dma_engine_description_t; - -typedef struct { - int used; - int error; - int first; - int last; - size_t size; -} pcilib_dma_buffer_status_t; - -/* -typedef struct { - int ignore_eop; -} pcilib_dma_parameters_t; -*/ - -typedef struct { -// pcilib_dma_parameters_t params; - pcilib_t *pcilib; -} pcilib_dma_context_t; - -typedef struct { - pcilib_dma_context_t *(*init)(pcilib_t *ctx, const char *model, const void *arg); - void (*free)(pcilib_dma_context_t *ctx); - - int (*status)(pcilib_dma_context_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_engine_status_t *status, size_t n_buffers, pcilib_dma_buffer_status_t *buffers); - - int (*enable_irq)(pcilib_dma_context_t *ctx, pcilib_irq_type_t irq_type, pcilib_dma_flags_t flags); - int (*disable_irq)(pcilib_dma_context_t *ctx, pcilib_dma_flags_t flags); - int (*acknowledge_irq)(pcilib_dma_context_t *ctx, pcilib_irq_type_t irq_type, pcilib_irq_source_t irq_source); - - int (*start_dma)(pcilib_dma_context_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t flags); - int (*stop_dma)(pcilib_dma_context_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_flags_t flags); - - int (*push)(pcilib_dma_context_t *ctx, pcilib_dma_engine_t dma, uintptr_t addr, size_t size, pcilib_dma_flags_t flags, pcilib_timeout_t timeout, void *buf, size_t *written); - int (*stream)(pcilib_dma_context_t *ctx, pcilib_dma_engine_t dma, uintptr_t addr, size_t size, pcilib_dma_flags_t flags, pcilib_timeout_t timeout, pcilib_dma_callback_t cb, void *cbattr); - - double (*benchmark)(pcilib_dma_context_t *ctx, pcilib_dma_engine_addr_t dma, uintptr_t addr, size_t size, size_t iterations, pcilib_dma_direction_t direction); -} pcilib_dma_api_description_t; - - -typedef struct { - const pcilib_dma_api_description_t *api; - const pcilib_register_bank_description_t *banks; - const pcilib_register_description_t *registers; - const pcilib_dma_engine_description_t *engines; - const char *model; - const void *args; - const char *name; - const char *description; -} pcilib_dma_description_t; - - -const pcilib_dma_description_t *pcilib_get_dma_info(pcilib_t *ctx); -pcilib_dma_engine_t pcilib_add_dma_engine(pcilib_t *ctx, pcilib_dma_engine_description_t *desc); -int pcilib_get_dma_status(pcilib_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_engine_status_t *status, size_t n_buffers, pcilib_dma_buffer_status_t *buffers); -int pcilib_init_dma(pcilib_t *ctx); - - -#endif /* _PCILIB_DMA_H */ |