diff options
Diffstat (limited to 'drivers/net/wireless/libertas/if_cs.c')
-rw-r--r-- | drivers/net/wireless/libertas/if_cs.c | 88 |
1 files changed, 40 insertions, 48 deletions
diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c index ba4fc2b..4b5ab9a 100644 --- a/drivers/net/wireless/libertas/if_cs.c +++ b/drivers/net/wireless/libertas/if_cs.c @@ -57,7 +57,7 @@ MODULE_LICENSE("GPL"); struct if_cs_card { struct pcmcia_device *p_dev; - wlan_private *priv; + struct lbs_private *priv; void __iomem *iobase; }; @@ -243,7 +243,7 @@ static inline void if_cs_disable_ints(struct if_cs_card *card) static irqreturn_t if_cs_interrupt(int irq, void *data) { - struct if_cs_card *card = (struct if_cs_card *)data; + struct if_cs_card *card = data; u16 int_cause; lbs_deb_enter(LBS_DEB_CS); @@ -253,25 +253,20 @@ static irqreturn_t if_cs_interrupt(int irq, void *data) /* Not for us */ return IRQ_NONE; - } else if(int_cause == 0xffff) { + } else if (int_cause == 0xffff) { /* Read in junk, the card has probably been removed */ - card->priv->adapter->surpriseremoved = 1; + card->priv->surpriseremoved = 1; } else { - if(int_cause & IF_CS_H_IC_TX_OVER) { - card->priv->dnld_sent = DNLD_RES_RECEIVED; - if (!card->priv->adapter->cur_cmd) - wake_up_interruptible(&card->priv->waitq); - - if (card->priv->adapter->connect_status == LIBERTAS_CONNECTED) - netif_wake_queue(card->priv->dev); - } + if (int_cause & IF_CS_H_IC_TX_OVER) + lbs_host_to_card_done(card->priv); /* clear interrupt */ if_cs_write16(card, IF_CS_C_INT_CAUSE, int_cause & IF_CS_C_IC_MASK); } - - libertas_interrupt(card->priv->dev); + spin_lock(&card->priv->driver_lock); + lbs_interrupt(card->priv); + spin_unlock(&card->priv->driver_lock); return IRQ_HANDLED; } @@ -286,7 +281,7 @@ static irqreturn_t if_cs_interrupt(int irq, void *data) /* * Called from if_cs_host_to_card to send a command to the hardware */ -static int if_cs_send_cmd(wlan_private *priv, u8 *buf, u16 nb) +static int if_cs_send_cmd(struct lbs_private *priv, u8 *buf, u16 nb) { struct if_cs_card *card = (struct if_cs_card *)priv->card; int ret = -1; @@ -331,7 +326,7 @@ done: /* * Called from if_cs_host_to_card to send a data to the hardware */ -static void if_cs_send_data(wlan_private *priv, u8 *buf, u16 nb) +static void if_cs_send_data(struct lbs_private *priv, u8 *buf, u16 nb) { struct if_cs_card *card = (struct if_cs_card *)priv->card; @@ -354,7 +349,7 @@ static void if_cs_send_data(wlan_private *priv, u8 *buf, u16 nb) /* * Get the command result out of the card. */ -static int if_cs_receive_cmdres(wlan_private *priv, u8* data, u32 *len) +static int if_cs_receive_cmdres(struct lbs_private *priv, u8 *data, u32 *len) { int ret = -1; u16 val; @@ -369,7 +364,7 @@ static int if_cs_receive_cmdres(wlan_private *priv, u8* data, u32 *len) } *len = if_cs_read16(priv->card, IF_CS_C_CMD_LEN); - if ((*len == 0) || (*len > MRVDRV_SIZE_OF_CMD_BUFFER)) { + if ((*len == 0) || (*len > LBS_CMD_BUFFER_SIZE)) { lbs_pr_err("card cmd buffer has invalid # of bytes (%d)\n", *len); goto out; } @@ -379,6 +374,9 @@ static int if_cs_receive_cmdres(wlan_private *priv, u8* data, u32 *len) if (*len & 1) data[*len-1] = if_cs_read8(priv->card, IF_CS_C_CMD); + /* This is a workaround for a firmware that reports too much + * bytes */ + *len -= 8; ret = 0; out: lbs_deb_leave_args(LBS_DEB_CS, "ret %d, len %d", ret, *len); @@ -386,7 +384,7 @@ out: } -static struct sk_buff *if_cs_receive_data(wlan_private *priv) +static struct sk_buff *if_cs_receive_data(struct lbs_private *priv) { struct sk_buff *skb = NULL; u16 len; @@ -616,7 +614,10 @@ done: /********************************************************************/ /* Send commands or data packets to the card */ -static int if_cs_host_to_card(wlan_private *priv, u8 type, u8 *buf, u16 nb) +static int if_cs_host_to_card(struct lbs_private *priv, + u8 type, + u8 *buf, + u16 nb) { int ret = -1; @@ -641,18 +642,16 @@ static int if_cs_host_to_card(wlan_private *priv, u8 type, u8 *buf, u16 nb) } -static int if_cs_get_int_status(wlan_private *priv, u8 *ireg) +static int if_cs_get_int_status(struct lbs_private *priv, u8 *ireg) { struct if_cs_card *card = (struct if_cs_card *)priv->card; - //wlan_adapter *adapter = priv->adapter; int ret = 0; u16 int_cause; - u8 *cmdbuf; *ireg = 0; lbs_deb_enter(LBS_DEB_CS); - if (priv->adapter->surpriseremoved) + if (priv->surpriseremoved) goto out; int_cause = if_cs_read16(card, IF_CS_C_INT_CAUSE) & IF_CS_C_IC_MASK; @@ -668,7 +667,7 @@ sbi_get_int_status_exit: /* is there a data packet for us? */ if (*ireg & IF_CS_C_S_RX_UPLD_RDY) { struct sk_buff *skb = if_cs_receive_data(priv); - libertas_process_rxed_packet(priv, skb); + lbs_process_rxed_packet(priv, skb); *ireg &= ~IF_CS_C_S_RX_UPLD_RDY; } @@ -678,31 +677,24 @@ sbi_get_int_status_exit: /* Card has a command result for us */ if (*ireg & IF_CS_C_S_CMD_UPLD_RDY) { - spin_lock(&priv->adapter->driver_lock); - if (!priv->adapter->cur_cmd) { - cmdbuf = priv->upld_buf; - priv->adapter->hisregcpy &= ~IF_CS_C_S_RX_UPLD_RDY; - } else { - cmdbuf = priv->adapter->cur_cmd->bufvirtualaddr; - } - - ret = if_cs_receive_cmdres(priv, cmdbuf, &priv->upld_len); - spin_unlock(&priv->adapter->driver_lock); + spin_lock(&priv->driver_lock); + ret = if_cs_receive_cmdres(priv, priv->upld_buf, &priv->upld_len); + spin_unlock(&priv->driver_lock); if (ret < 0) lbs_pr_err("could not receive cmd from card\n"); } out: - lbs_deb_leave_args(LBS_DEB_CS, "ret %d, ireg 0x%x, hisregcpy 0x%x", ret, *ireg, priv->adapter->hisregcpy); + lbs_deb_leave_args(LBS_DEB_CS, "ret %d, ireg 0x%x, hisregcpy 0x%x", ret, *ireg, priv->hisregcpy); return ret; } -static int if_cs_read_event_cause(wlan_private *priv) +static int if_cs_read_event_cause(struct lbs_private *priv) { lbs_deb_enter(LBS_DEB_CS); - priv->adapter->eventcause = (if_cs_read16(priv->card, IF_CS_C_STATUS) & IF_CS_C_S_STATUS_MASK) >> 5; + priv->eventcause = (if_cs_read16(priv->card, IF_CS_C_STATUS) & IF_CS_C_S_STATUS_MASK) >> 5; if_cs_write16(priv->card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_HOST_EVENT); return 0; @@ -746,7 +738,7 @@ static void if_cs_release(struct pcmcia_device *p_dev) static int if_cs_probe(struct pcmcia_device *p_dev) { int ret = -ENOMEM; - wlan_private *priv; + struct lbs_private *priv; struct if_cs_card *card; /* CIS parsing */ tuple_t tuple; @@ -856,7 +848,7 @@ static int if_cs_probe(struct pcmcia_device *p_dev) goto out2; /* Make this card known to the libertas driver */ - priv = libertas_add_card(card, &p_dev->dev); + priv = lbs_add_card(card, &p_dev->dev); if (!priv) { ret = -ENOMEM; goto out2; @@ -869,7 +861,7 @@ static int if_cs_probe(struct pcmcia_device *p_dev) priv->hw_get_int_status = if_cs_get_int_status; priv->hw_read_event_cause = if_cs_read_event_cause; - priv->adapter->fw_ready = 1; + priv->fw_ready = 1; /* Now actually get the IRQ */ ret = request_irq(p_dev->irq.AssignedIRQ, if_cs_interrupt, @@ -885,7 +877,7 @@ static int if_cs_probe(struct pcmcia_device *p_dev) if_cs_enable_ints(card); /* And finally bring the card up */ - if (libertas_start_card(priv) != 0) { + if (lbs_start_card(priv) != 0) { lbs_pr_err("could not activate card\n"); goto out3; } @@ -894,7 +886,7 @@ static int if_cs_probe(struct pcmcia_device *p_dev) goto out; out3: - libertas_remove_card(priv); + lbs_remove_card(priv); out2: ioport_unmap(card->iobase); out1: @@ -917,8 +909,8 @@ static void if_cs_detach(struct pcmcia_device *p_dev) lbs_deb_enter(LBS_DEB_CS); - libertas_stop_card(card->priv); - libertas_remove_card(card->priv); + lbs_stop_card(card->priv); + lbs_remove_card(card->priv); if_cs_disable_ints(card); if_cs_release(p_dev); kfree(card); @@ -939,7 +931,7 @@ static struct pcmcia_device_id if_cs_ids[] = { MODULE_DEVICE_TABLE(pcmcia, if_cs_ids); -static struct pcmcia_driver libertas_driver = { +static struct pcmcia_driver lbs_driver = { .owner = THIS_MODULE, .drv = { .name = DRV_NAME, @@ -955,7 +947,7 @@ static int __init if_cs_init(void) int ret; lbs_deb_enter(LBS_DEB_CS); - ret = pcmcia_register_driver(&libertas_driver); + ret = pcmcia_register_driver(&lbs_driver); lbs_deb_leave(LBS_DEB_CS); return ret; } @@ -964,7 +956,7 @@ static int __init if_cs_init(void) static void __exit if_cs_exit(void) { lbs_deb_enter(LBS_DEB_CS); - pcmcia_unregister_driver(&libertas_driver); + pcmcia_unregister_driver(&lbs_driver); lbs_deb_leave(LBS_DEB_CS); } |