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driver interface to OS implemented and tested

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This commit is contained in:
Markus Fröschle
2013-12-22 14:16:59 +00:00
parent c6e5540ee3
commit 94ff279838
22 changed files with 704 additions and 162 deletions
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32
BaS_gcc/include/driver_vec.h
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@@ -26,6 +26,7 @@
#define _DRIVER_VEC_H_
#include "xhdi_sd.h"
#include "MCD_dma.h"
enum driver_type
{
@@ -34,6 +35,7 @@ enum driver_type
CHARDEV_DRIVER,
VIDEO_DRIVER,
XHDI_DRIVER,
MCD_DRIVER,
};
struct generic_driver_interface
@@ -44,6 +46,31 @@ struct generic_driver_interface
uint32_t (*ioctl)(uint32_t request, ...);
};
struct dma_driver_interface
{
int32_t version;
int32_t magic;
int32_t (*dma_set_initiator)(int initiator);
uint32_t (*dma_get_initiator)(int requestor);
void (*dma_free_initiator)(int requestor);
int32_t (*dma_set_channel)(int requestor, void (*handler)(void));
int (*dma_get_channel)(int requestor);
void (*dma_free_channel)(int requestor);
void (*dma_clear_channel)(int channel);
int (*MCD_startDma)(int channel, int8_t *srcAddr, int16_t srcIncr, int8_t *destAddr, int16_t destIncr,
uint32_t dmaSize, uint32_t xferSize, uint32_t initiator, int32_t priority, uint32_t flags,
uint32_t funcDesc);
int (*MCD_dmaStatus)(int channel);
int (*MCD_XferProgrQuery)(int channel, MCD_XferProg *progRep);
int (*MCD_killDma)(int channel);
int (*MCD_continDma)(int channel);
int (*MCD_pauseDma)(int channel);
int (*MCD_resumeDma)(int channel);
int (*MCD_csumQuery)(int channel, uint32_t *csum);
void *(*dma_malloc)(long amount);
int (*dma_free)(void *addr);
};
struct xhdi_driver_interface
{
uint32_t (*xhdivec)();
@@ -51,8 +78,9 @@ struct xhdi_driver_interface
union interface
{
struct generic_driver_interface gdi;
struct xhdi_driver_interface xhdi;
struct generic_driver_interface *gdi;
struct xhdi_driver_interface *xhdi;
struct dma_driver_interface *dma;
};
struct generic_interface