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path: root/drivers/net/wireless/mwifiex/sdio.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/sdio.c')
-rw-r--r--drivers/net/wireless/mwifiex/sdio.c116
1 files changed, 71 insertions, 45 deletions
diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index 61e152d..72b253d2 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -31,10 +31,27 @@
#define SDIO_VERSION "1.0"
+/* The mwifiex_sdio_remove() callback function is called when
+ * user removes this module from kernel space or ejects
+ * the card from the slot. The driver handles these 2 cases
+ * differently.
+ * If the user is removing the module, the few commands (FUNC_SHUTDOWN,
+ * HS_CANCEL etc.) are sent to the firmware.
+ * If the card is removed, there is no need to send these command.
+ *
+ * The variable 'user_rmmod' is used to distinguish these two
+ * scenarios. This flag is initialized as FALSE in case the card
+ * is removed, and will be set to TRUE for module removal when
+ * module_exit function is called.
+ */
+static u8 user_rmmod;
+
static struct mwifiex_if_ops sdio_ops;
static struct semaphore add_remove_card_sem;
+static int mwifiex_sdio_resume(struct device *dev);
+
/*
* SDIO probe.
*
@@ -72,7 +89,8 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
return -EIO;
}
- if (mwifiex_add_card(card, &add_remove_card_sem, &sdio_ops)) {
+ if (mwifiex_add_card(card, &add_remove_card_sem, &sdio_ops,
+ MWIFIEX_SDIO)) {
pr_err("%s: add card failed\n", __func__);
kfree(card);
sdio_claim_host(func);
@@ -93,17 +111,39 @@ static void
mwifiex_sdio_remove(struct sdio_func *func)
{
struct sdio_mmc_card *card;
+ struct mwifiex_adapter *adapter;
+ int i;
pr_debug("info: SDIO func num=%d\n", func->num);
- if (func) {
- card = sdio_get_drvdata(func);
- if (card) {
- mwifiex_remove_card(card->adapter,
- &add_remove_card_sem);
- kfree(card);
- }
+ card = sdio_get_drvdata(func);
+ if (!card)
+ return;
+
+ adapter = card->adapter;
+ if (!adapter || !adapter->priv_num)
+ return;
+
+ if (user_rmmod) {
+ if (adapter->is_suspended)
+ mwifiex_sdio_resume(adapter->dev);
+
+ for (i = 0; i < adapter->priv_num; i++)
+ if ((GET_BSS_ROLE(adapter->priv[i]) ==
+ MWIFIEX_BSS_ROLE_STA) &&
+ adapter->priv[i]->media_connected)
+ mwifiex_deauthenticate(adapter->priv[i], NULL);
+
+ mwifiex_disable_auto_ds(mwifiex_get_priv(adapter,
+ MWIFIEX_BSS_ROLE_ANY));
+
+ mwifiex_init_shutdown_fw(mwifiex_get_priv(adapter,
+ MWIFIEX_BSS_ROLE_ANY),
+ MWIFIEX_FUNC_SHUTDOWN);
}
+
+ mwifiex_remove_card(card->adapter, &add_remove_card_sem);
+ kfree(card);
}
/*
@@ -792,7 +832,7 @@ done:
* The winner interface is also determined by this function.
*/
static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter,
- u32 poll_num, int *winner)
+ u32 poll_num)
{
int ret = 0;
u16 firmware_stat;
@@ -804,7 +844,7 @@ static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter,
ret = mwifiex_sdio_read_fw_status(adapter, &firmware_stat);
if (ret)
continue;
- if (firmware_stat == FIRMWARE_READY) {
+ if (firmware_stat == FIRMWARE_READY_SDIO) {
ret = 0;
break;
} else {
@@ -813,15 +853,15 @@ static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter,
}
}
- if (winner && ret) {
+ if (ret) {
if (mwifiex_read_reg
(adapter, CARD_FW_STATUS0_REG, &winner_status))
winner_status = 0;
if (winner_status)
- *winner = 0;
+ adapter->winner = 0;
else
- *winner = 1;
+ adapter->winner = 1;
}
return ret;
}
@@ -896,7 +936,10 @@ static int mwifiex_decode_rx_packet(struct mwifiex_adapter *adapter,
struct sk_buff *skb, u32 upld_typ)
{
u8 *cmd_buf;
+ __le16 *curr_ptr = (__le16 *)skb->data;
+ u16 pkt_len = le16_to_cpu(*curr_ptr);
+ skb_trim(skb, pkt_len);
skb_pull(skb, INTF_HEADER_LEN);
switch (upld_typ) {
@@ -1284,7 +1327,7 @@ static int mwifiex_host_to_card_mp_aggr(struct mwifiex_adapter *adapter,
if (!(card->mp_wr_bitmap &
(1 << card->curr_wr_port))
|| !MP_TX_AGGR_BUF_HAS_ROOM(
- card, next_pkt_len))
+ card, pkt_len + next_pkt_len))
f_send_aggr_buf = 1;
} else {
/* No room in Aggr buf, send it */
@@ -1375,7 +1418,7 @@ tx_curr_single:
* 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,
+ u8 type, struct sk_buff *skb,
struct mwifiex_tx_param *tx_param)
{
struct sdio_mmc_card *card = adapter->card;
@@ -1383,6 +1426,8 @@ static int mwifiex_sdio_host_to_card(struct mwifiex_adapter *adapter,
u32 buf_block_len;
u32 blk_size;
u8 port = CTRL_PORT;
+ u8 *payload = (u8 *)skb->data;
+ u32 pkt_len = skb->len;
/* Allocate buffer and copy payload */
blk_size = MWIFIEX_SDIO_BLOCK_SIZE;
@@ -1532,6 +1577,7 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter)
sdio_set_drvdata(func, card);
adapter->dev = &func->dev;
+ strcpy(adapter->fw_name, SD8787_DEFAULT_FW_NAME);
return 0;
@@ -1553,7 +1599,6 @@ disable_func:
* the first interrupt got from bootloader
* - Disable host interrupt mask register
* - Get SDIO port
- * - Get revision ID
* - Initialize SDIO variables in card
* - Allocate MP registers
* - Allocate MPA Tx and Rx buffers
@@ -1577,10 +1622,6 @@ static int mwifiex_init_sdio(struct mwifiex_adapter *adapter)
/* Get SDIO ioport */
mwifiex_init_sdio_ioport(adapter);
- /* Get revision ID */
-#define REV_ID_REG 0x5c
- mwifiex_read_reg(adapter, REV_ID_REG, &adapter->revision_id);
-
/* Initialize SDIO variables in card */
card->mp_rd_bitmap = 0;
card->mp_wr_bitmap = 0;
@@ -1688,6 +1729,8 @@ static struct mwifiex_if_ops sdio_ops = {
/* SDIO specific */
.update_mp_end_port = mwifiex_update_mp_end_port,
.cleanup_mpa_buf = mwifiex_cleanup_mpa_buf,
+ .cmdrsp_complete = mwifiex_sdio_cmdrsp_complete,
+ .event_complete = mwifiex_sdio_event_complete,
};
/*
@@ -1701,6 +1744,9 @@ mwifiex_sdio_init_module(void)
{
sema_init(&add_remove_card_sem, 1);
+ /* Clear the flag in case user removes the card. */
+ user_rmmod = 0;
+
return sdio_register_driver(&mwifiex_sdio);
}
@@ -1716,32 +1762,12 @@ mwifiex_sdio_init_module(void)
static void
mwifiex_sdio_cleanup_module(void)
{
- struct mwifiex_adapter *adapter = g_adapter;
- int i;
-
- if (down_interruptible(&add_remove_card_sem))
- goto exit_sem_err;
-
- if (!adapter || !adapter->priv_num)
- goto exit;
-
- if (adapter->is_suspended)
- mwifiex_sdio_resume(adapter->dev);
-
- for (i = 0; i < adapter->priv_num; i++)
- if ((GET_BSS_ROLE(adapter->priv[i]) == MWIFIEX_BSS_ROLE_STA) &&
- adapter->priv[i]->media_connected)
- mwifiex_deauthenticate(adapter->priv[i], NULL);
-
- if (!adapter->surprise_removed)
- mwifiex_init_shutdown_fw(mwifiex_get_priv(adapter,
- MWIFIEX_BSS_ROLE_ANY),
- MWIFIEX_FUNC_SHUTDOWN);
+ if (!down_interruptible(&add_remove_card_sem))
+ up(&add_remove_card_sem);
-exit:
- up(&add_remove_card_sem);
+ /* Set the flag as user is removing this module. */
+ user_rmmod = 1;
-exit_sem_err:
sdio_unregister_driver(&mwifiex_sdio);
}
@@ -1752,4 +1778,4 @@ MODULE_AUTHOR("Marvell International Ltd.");
MODULE_DESCRIPTION("Marvell WiFi-Ex SDIO Driver version " SDIO_VERSION);
MODULE_VERSION(SDIO_VERSION);
MODULE_LICENSE("GPL v2");
-MODULE_FIRMWARE("sd8787.bin");
+MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin");