diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/sdio.c')
-rw-r--r-- | drivers/net/wireless/mwifiex/sdio.c | 116 |
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"); |