update libertas driver

[openwrt/svn-archive/archive.git] / package / libertas / src / if_usb.c

diff --git a/package/libertas/src/if_usb.c b/package/libertas/src/if_usb.c
index 7db8e6c35dc28b56f62d95278cdbc2a5d9d333cc..74ac86ea3da687ecda452f4c7247e0aa6ef8c4f1 100644 (file)
--- a/package/libertas/src/if_usb.c
+++ b/package/libertas/src/if_usb.c
@@ -6,6 +6,7 @@
 #include <linux/firmware.h>
 #include <linux/netdevice.h>
 #include <linux/usb.h>
+//#include <asm/olpc.h>
 
 #define DRV_NAME "usb8xxx"
 
@@ -38,8 +39,6 @@ static void if_usb_receive_fwload(struct urb *urb);
 static int if_usb_prog_firmware(struct if_usb_card *cardp);
 static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
                               uint8_t *payload, uint16_t nb);
-static int if_usb_get_int_status(struct lbs_private *priv, uint8_t *);
-static int if_usb_read_event_cause(struct lbs_private *);
 static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload,
                        uint16_t nb);
 static void if_usb_free(struct if_usb_card *cardp);
@@ -104,12 +103,13 @@ static void if_usb_free(struct if_usb_card *cardp)
 
 static void if_usb_setup_firmware(struct lbs_private *priv)
 {
+       struct if_usb_card *cardp = priv->card;
        struct cmd_ds_set_boot2_ver b2_cmd;
        struct cmd_ds_802_11_fw_wake_method wake_method;
 
        b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd));
        b2_cmd.action = 0;
-       b2_cmd.version = priv->boot2_version;
+       b2_cmd.version = cardp->boot2_version;
 
        if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd))
                lbs_deb_usb("Setting boot2 version failed\n");
@@ -232,9 +232,7 @@ static int if_usb_probe(struct usb_interface *intf,
        cardp->priv->fw_ready = 1;
 
        priv->hw_host_to_card = if_usb_host_to_card;
-       priv->hw_get_int_status = if_usb_get_int_status;
-       priv->hw_read_event_cause = if_usb_read_event_cause;
-       priv->boot2_version = udev->descriptor.bcdDevice;
+       cardp->boot2_version = udev->descriptor.bcdDevice;
 
        if_usb_submit_rx_urb(cardp);
 
@@ -367,6 +365,13 @@ static int if_usb_reset_device(struct if_usb_card *cardp)
        ret = usb_reset_device(cardp->udev);
        msleep(100);
 
+#ifdef CONFIG_OLPC
+       if (ret && machine_is_olpc()) {
+               printk(KERN_CRIT "Resetting OLPC wireless via EC...\n");
+               olpc_ec_cmd(0x25, NULL, 0, NULL, 0);
+       }
+#endif
+
        lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
 
        return ret;
@@ -581,7 +586,6 @@ static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb,
        skb_pull(skb, MESSAGE_HEADER_LEN);
 
        lbs_process_rxed_packet(priv, skb);
-       priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
 }
 
 static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
@@ -589,6 +593,8 @@ static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
                                      struct if_usb_card *cardp,
                                      struct lbs_private *priv)
 {
+       u8 i;
+
        if (recvlength > LBS_CMD_BUFFER_SIZE) {
                lbs_deb_usbd(&cardp->udev->dev,
                             "The receive buffer is too large\n");
@@ -600,12 +606,15 @@ static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
                BUG();
 
        spin_lock(&priv->driver_lock);
-       cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY;
-       priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
-       memcpy(priv->upld_buf, recvbuff + MESSAGE_HEADER_LEN, priv->upld_len);
 
+       i = (priv->resp_idx == 0) ? 1 : 0;
+       BUG_ON(priv->resp_len[i]);
+       priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN);
+       memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN,
+               priv->resp_len[i]);
        kfree_skb(skb);
-       lbs_interrupt(priv);
+       lbs_notify_command_response(priv, i);
+
        spin_unlock(&priv->driver_lock);
 
        lbs_deb_usbd(&cardp->udev->dev,
@@ -628,6 +637,7 @@ static void if_usb_receive(struct urb *urb)
        uint8_t *recvbuff = NULL;
        uint32_t recvtype = 0;
        __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET);
+       uint32_t event;
 
        lbs_deb_enter(LBS_DEB_USB);
 
@@ -659,26 +669,20 @@ static void if_usb_receive(struct urb *urb)
                break;
 
        case CMD_TYPE_INDICATION:
-               /* Event cause handling */
-               spin_lock(&priv->driver_lock);
+               /* Event handling */
+               event = le32_to_cpu(pkt[1]);
+               lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event);
+               kfree_skb(skb);
 
-               cardp->usb_event_cause = le32_to_cpu(pkt[1]);
+               /* Icky undocumented magic special case */
+               if (event & 0xffff0000) {
+                       u32 trycount = (event & 0xffff0000) >> 16;
 
-               lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n",
-                            cardp->usb_event_cause);
+                       lbs_send_tx_feedback(priv, trycount);
+               } else
+                       lbs_queue_event(priv, event & 0xFF);
+               break;
 
-               /* Icky undocumented magic special case */
-               if (cardp->usb_event_cause & 0xffff0000) {
-                       lbs_send_tx_feedback(priv);
-                       spin_unlock(&priv->driver_lock);
-                       break;
-               }
-               cardp->usb_event_cause <<= 3;
-               cardp->usb_int_cause |= MRVDRV_CARDEVENT;
-               kfree_skb(skb);
-               lbs_interrupt(priv);
-               spin_unlock(&priv->driver_lock);
-               goto rx_exit;
        default:
                lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n",
                             recvtype);
@@ -721,30 +725,6 @@ static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
        return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN);
 }
 
-/* called with priv->driver_lock held */
-static int if_usb_get_int_status(struct lbs_private *priv, uint8_t *ireg)
-{
-       struct if_usb_card *cardp = priv->card;
-
-       *ireg = cardp->usb_int_cause;
-       cardp->usb_int_cause = 0;
-
-       lbs_deb_usbd(&cardp->udev->dev, "Int cause is 0x%X\n", *ireg);
-
-       return 0;
-}
-
-static int if_usb_read_event_cause(struct lbs_private *priv)
-{
-       struct if_usb_card *cardp = priv->card;
-
-       priv->eventcause = cardp->usb_event_cause;
-       /* Re-submit rx urb here to avoid event lost issue */
-       if_usb_submit_rx_urb(cardp);
-
-       return 0;
-}
-
 /**
  *  @brief This function issues Boot command to the Boot2 code
  *  @param ivalue   1:Boot from FW by USB-Download
@@ -953,6 +933,7 @@ static struct usb_driver if_usb_driver = {
        .id_table = if_usb_table,
        .suspend = if_usb_suspend,
        .resume = if_usb_resume,
+       .reset_resume = if_usb_resume,
 };
 
 static int __init if_usb_init_module(void)