static void isp1362_read_ptd(struct isp1362_hcd *isp1362_hcd, struct isp1362_ep *ep,
struct isp1362_ep_queue *epq)
{
struct ptd *ptd = &ep->ptd;
int act_len;
WARN_ON(list_empty(&ep->active));
BUG_ON(ep->ptd_offset < 0);
list_del_init(&ep->active);
DBG(1, "%s: ep %p removed from active list %p\n", __func__, ep, &epq->active);
prefetchw(ptd);
isp1362_read_buffer(isp1362_hcd, ptd, ep->ptd_offset, PTD_HEADER_SIZE);
dump_ptd(ptd);
act_len = PTD_GET_COUNT(ptd);
if (PTD_GET_DIR(ptd) != PTD_DIR_IN || act_len == 0)
return;
if (act_len > ep->length)
pr_err("%s: ep %p PTD $%04x act_len %d ep->length %d\n", __func__, ep,
ep->ptd_offset, act_len, ep->length);
BUG_ON(act_len > ep->length);
/* Only transfer the amount of data that has actually been overwritten
* in the chip buffer. We don't want any data that doesn't belong to the
* transfer to leak out of the chip to the callers transfer buffer!
*/
prefetchw(ep->data);
isp1362_read_buffer(isp1362_hcd, ep->data,
ep->ptd_offset + PTD_HEADER_SIZE, act_len);
dump_ptd_in_data(ptd, ep->data);
}
/*
Dump PTD info. The code documents the format
perfectly, right :)
*/
static inline void dump_ptd(struct ptd *ptd)
{
#if defined(VERBOSE)
int k;
#endif
DBG("PTD(ext) : cc:%x %d%c%d %d,%d,%d t:%x %x%x%x",
PTD_GET_CC(ptd),
PTD_GET_FA(ptd), PTD_DIR_STR(ptd), PTD_GET_EP(ptd),
PTD_GET_COUNT(ptd), PTD_GET_LEN(ptd), PTD_GET_MPS(ptd),
PTD_GET_TOGGLE(ptd),
PTD_GET_ACTIVE(ptd), PTD_GET_SPD(ptd), PTD_GET_LAST(ptd));
#if defined(VERBOSE)
printf("isp116x: %s: PTD(byte): ", __FUNCTION__);
for (k = 0; k < sizeof(struct ptd); ++k)
printf("%02x ", ((u8 *) ptd)[k]);
printf("\n");
#endif
}
static inline void dump_ptd_data(struct ptd *ptd, u8 * buf, int type)
{
#if defined(VERBOSE)
int k;
if (type == 0 /* 0ut data */ ) {
printf("isp116x: %s: out data: ", __FUNCTION__);
for (k = 0; k < PTD_GET_LEN(ptd); ++k)
printf("%02x ", ((u8 *) buf)[k]);
printf("\n");
}
if (type == 1 /* 1n data */ ) {
printf("isp116x: %s: in data: ", __FUNCTION__);
for (k = 0; k < PTD_GET_COUNT(ptd); ++k)
printf("%02x ", ((u8 *) buf)[k]);
printf("\n");
}
if (PTD_GET_LAST(ptd))
DBG("--- last PTD ---");
#endif
}
