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bcmf: enable DMA for SDIO transfers

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This commit is contained in:
Simon Piriou
2017-04-26 17:23:53 +02:00
parent 1c97025484
commit 6bb2db8c15
4 changed files with 50 additions and 12 deletions
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drivers/wireless/ieee80211/mmc_sdio.c
+5 -2
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@@ -78,6 +78,8 @@ int sdio_io_rw_direct(FAR struct sdio_dev_s *dev, bool write,
/* Setup CMD52 argument */
arg.value = 0;
if (write)
{
arg.cmd52.write_data = inb;
@@ -135,6 +137,7 @@ int sdio_io_rw_extended(FAR struct sdio_dev_s *dev, bool write,
/* Setup CMD53 argument */
arg.value = 0;
arg.cmd53.register_address = address & 0x1ffff;
arg.cmd53.op_code = inc_addr;
arg.cmd53.function_number = function & 7;
@@ -169,13 +172,13 @@ int sdio_io_rw_extended(FAR struct sdio_dev_s *dev, bool write,
sdio_sendcmdpoll(dev, SDIO_ACMD53, (uint32_t)arg.value);
ret = SDIO_RECVR5(dev, SDIO_ACMD53, (uint32_t*)&resp);
SDIO_SENDSETUP(dev, buf, blocklen * nblocks);
SDIO_DMASENDSETUP(dev, buf, blocklen * nblocks);
wkupevent = SDIO_EVENTWAIT(dev, SDIO_CMD53_TIMEOUT_MS);
}
else
{
// wlinfo("prep read %d\n", blocklen * nblocks);
SDIO_RECVSETUP(dev, buf, blocklen * nblocks);
SDIO_DMARECVSETUP(dev, buf, blocklen * nblocks);
SDIO_SENDCMD(dev, SDIO_ACMD53, (uint32_t)arg.value);
wkupevent = SDIO_EVENTWAIT(dev, SDIO_CMD53_TIMEOUT_MS);