static int mwifiex_sdio_host_to_card(struct mwifiex_adapter *adapter,
u8 type, struct sk_buff *skb,
struct mwifiex_tx_param *tx_param)
{
struct sdio_mmc_card *card = adapter->card;
int ret;
u32 buf_block_len;
u32 blk_size;
u8 port = CTRL_PORT;
u8 *payload = (u8 *)skb->data;
u32 pkt_len = skb->len;
blk_size = MWIFIEX_SDIO_BLOCK_SIZE;
buf_block_len = (pkt_len + blk_size - 1) / blk_size;
*(u16 *) &payload[0] = (u16) pkt_len;
*(u16 *) &payload[2] = type;
if (type == MWIFIEX_TYPE_DATA) {
ret = mwifiex_get_wr_port_data(adapter, &port);
if (ret) {
dev_err(adapter->dev, "%s: no wr_port available\n",
__func__);
return ret;
}
} else {
adapter->cmd_sent = true;
if (pkt_len <= INTF_HEADER_LEN ||
pkt_len > MWIFIEX_UPLD_SIZE)
dev_err(adapter->dev, "%s: payload=%p, nb=%d\n",
__func__, payload, pkt_len);
}
pkt_len = buf_block_len * blk_size;
if (tx_param)
ret = mwifiex_host_to_card_mp_aggr(adapter, payload, pkt_len,
port, tx_param->next_pkt_len
);
else
ret = mwifiex_host_to_card_mp_aggr(adapter, payload, pkt_len,
port, 0);
if (ret) {
if (type == MWIFIEX_TYPE_CMD)
adapter->cmd_sent = false;
if (type == MWIFIEX_TYPE_DATA)
adapter->data_sent = false;
} else {
if (type == MWIFIEX_TYPE_DATA) {
if (!(card->mp_wr_bitmap & (1 << card->curr_wr_port)))
adapter->data_sent = true;
else
adapter->data_sent = false;
}
}
return ret;
}
/*
* This function downloads data from driver to card.
*
* Both commands and data packets are transferred to the card by this
* function.
*
* This function adds the SDIO specific header to the front of the buffer
* before transferring. The header contains the length of the packet and
* the type. The firmware handles the packets based upon this set type.
*/
static int mwifiex_sdio_host_to_card(struct mwifiex_adapter *adapter,
u8 type, u8 *payload, u32 pkt_len,
struct mwifiex_tx_param *tx_param)
{
struct sdio_mmc_card *card = adapter->card;
int ret;
u32 buf_block_len;
u32 blk_size;
u8 port = CTRL_PORT;
/* Allocate buffer and copy payload */
blk_size = MWIFIEX_SDIO_BLOCK_SIZE;
buf_block_len = (pkt_len + blk_size - 1) / blk_size;
*(__le16 *)&payload[0] = cpu_to_le16((u16)pkt_len);
*(__le16 *)&payload[2] = cpu_to_le16(type);
/*
* This is SDIO specific header
* u16 length,
* u16 type (MWIFIEX_TYPE_DATA = 0, MWIFIEX_TYPE_CMD = 1,
* MWIFIEX_TYPE_EVENT = 3)
*/
if (type == MWIFIEX_TYPE_DATA) {
ret = mwifiex_get_wr_port_data(adapter, &port);
if (ret) {
dev_err(adapter->dev, "%s: no wr_port available\n",
__func__);
return ret;
}
} else {
adapter->cmd_sent = true;
/* Type must be MWIFIEX_TYPE_CMD */
if (pkt_len <= INTF_HEADER_LEN ||
pkt_len > MWIFIEX_UPLD_SIZE)
dev_err(adapter->dev, "%s: payload=%p, nb=%d\n",
__func__, payload, pkt_len);
}
/* Transfer data to card */
pkt_len = buf_block_len * blk_size;
if (tx_param)
ret = mwifiex_host_to_card_mp_aggr(adapter, payload, pkt_len,
port, tx_param->next_pkt_len);
else
ret = mwifiex_host_to_card_mp_aggr(adapter, payload, pkt_len,
port, 0);
if (ret) {
if (type == MWIFIEX_TYPE_CMD)
adapter->cmd_sent = false;
if (type == MWIFIEX_TYPE_DATA)
adapter->data_sent = false;
} else {
if (type == MWIFIEX_TYPE_DATA) {
if (!(card->mp_wr_bitmap & (1 << card->curr_wr_port)))
adapter->data_sent = true;
else
adapter->data_sent = false;
}
}
return ret;
}
