2 * This file contains functions used in USB interface module.
4 #include <linux/delay.h>
5 #include <linux/moduleparam.h>
6 #include <linux/firmware.h>
7 #include <linux/netdevice.h>
8 #include <linux/list.h>
11 #define DRV_NAME "usb8xxx"
19 #define MESSAGE_HEADER_LEN 4
21 static const char usbdriver_name[] = "usb8xxx";
23 static char *lbs_fw_name = "usb8388.bin";
24 module_param_named(fw_name, lbs_fw_name, charp, 0644);
27 * We need to send a RESET command to all USB devices before
28 * we tear down the USB connection. Otherwise we would not
29 * be able to re-init device the device if the module gets
30 * loaded again. This is a list of all initialized USB devices,
31 * for the reset code see if_usb_reset_device()
33 static LIST_HEAD(usb_devices);
35 static struct usb_device_id if_usb_table[] = {
36 /* Enter the device signature inside */
37 { USB_DEVICE(0x1286, 0x2001) },
38 { USB_DEVICE(0x05a3, 0x8388) },
39 {} /* Terminating entry */
42 MODULE_DEVICE_TABLE(usb, if_usb_table);
44 static void if_usb_receive(struct urb *urb);
45 static void if_usb_receive_fwload(struct urb *urb);
46 static int if_usb_prog_firmware(struct usb_card_rec *cardp);
47 static int if_usb_host_to_card(lbs_private *priv, u8 type, u8 *payload, u16 nb);
48 static int if_usb_get_int_status(lbs_private *priv, u8 *);
49 static int if_usb_read_event_cause(lbs_private *);
50 static int usb_tx_block(struct usb_card_rec *cardp, u8 *payload, u16 nb);
51 static void if_usb_free(struct usb_card_rec *cardp);
52 static int if_usb_submit_rx_urb(struct usb_card_rec *cardp);
53 static int if_usb_reset_device(struct usb_card_rec *cardp);
56 * @brief call back function to handle the status of the URB
57 * @param urb pointer to urb structure
60 static void if_usb_write_bulk_callback(struct urb *urb)
62 struct usb_card_rec *cardp = (struct usb_card_rec *) urb->context;
64 /* handle the transmission complete validations */
66 if (urb->status == 0) {
67 lbs_private *priv = cardp->priv;
70 lbs_deb_usbd(&urb->dev->dev, "URB status is successfull\n");
71 lbs_deb_usbd(&urb->dev->dev, "Actual length transmitted %d\n",
75 /* Used for both firmware TX and regular TX. priv isn't
76 * valid at firmware load time.
79 lbs_adapter *adapter = priv->adapter;
80 struct net_device *dev = priv->dev;
82 priv->dnld_sent = DNLD_RES_RECEIVED;
84 /* Wake main thread if commands are pending */
85 if (!adapter->cur_cmd)
86 wake_up_interruptible(&priv->waitq);
88 if ((adapter->connect_status == LBS_CONNECTED)) {
89 netif_wake_queue(dev);
90 netif_wake_queue(priv->mesh_dev);
94 /* print the failure status number for debug */
95 lbs_pr_info("URB in failure status: %d\n", urb->status);
102 * @brief free tx/rx urb, skb and rx buffer
103 * @param cardp pointer usb_card_rec
106 static void if_usb_free(struct usb_card_rec *cardp)
108 lbs_deb_enter(LBS_DEB_USB);
110 /* Unlink tx & rx urb */
111 usb_kill_urb(cardp->tx_urb);
112 usb_kill_urb(cardp->rx_urb);
114 usb_free_urb(cardp->tx_urb);
115 cardp->tx_urb = NULL;
117 usb_free_urb(cardp->rx_urb);
118 cardp->rx_urb = NULL;
120 kfree(cardp->bulk_out_buffer);
121 cardp->bulk_out_buffer = NULL;
123 lbs_deb_leave(LBS_DEB_USB);
127 * @brief sets the configuration values
128 * @param ifnum interface number
129 * @param id pointer to usb_device_id
130 * @return 0 on success, error code on failure
132 static int if_usb_probe(struct usb_interface *intf,
133 const struct usb_device_id *id)
135 struct usb_device *udev;
136 struct usb_host_interface *iface_desc;
137 struct usb_endpoint_descriptor *endpoint;
139 struct usb_card_rec *cardp;
142 udev = interface_to_usbdev(intf);
144 cardp = kzalloc(sizeof(struct usb_card_rec), GFP_KERNEL);
146 lbs_pr_err("Out of memory allocating private data.\n");
151 iface_desc = intf->cur_altsetting;
153 lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X"
154 " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n",
155 le16_to_cpu(udev->descriptor.bcdUSB),
156 udev->descriptor.bDeviceClass,
157 udev->descriptor.bDeviceSubClass,
158 udev->descriptor.bDeviceProtocol);
160 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
161 endpoint = &iface_desc->endpoint[i].desc;
162 if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
163 && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
164 USB_ENDPOINT_XFER_BULK)) {
165 /* we found a bulk in endpoint */
166 lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n",
167 le16_to_cpu(endpoint->wMaxPacketSize));
168 if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) {
169 lbs_deb_usbd(&udev->dev,
170 "Rx URB allocation failed\n");
173 cardp->rx_urb_recall = 0;
175 cardp->bulk_in_size =
176 le16_to_cpu(endpoint->wMaxPacketSize);
177 cardp->bulk_in_endpointAddr =
179 bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
180 lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n",
181 endpoint->bEndpointAddress);
185 bEndpointAddress & USB_ENDPOINT_DIR_MASK) ==
187 && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
188 USB_ENDPOINT_XFER_BULK)) {
189 /* We found bulk out endpoint */
190 if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) {
191 lbs_deb_usbd(&udev->dev,
192 "Tx URB allocation failed\n");
196 cardp->bulk_out_size =
197 le16_to_cpu(endpoint->wMaxPacketSize);
198 lbs_deb_usbd(&udev->dev,
199 "Bulk out size is %d\n",
200 le16_to_cpu(endpoint->wMaxPacketSize));
201 cardp->bulk_out_endpointAddr =
202 endpoint->bEndpointAddress;
203 lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n",
204 endpoint->bEndpointAddress);
205 cardp->bulk_out_buffer =
206 kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE,
209 if (!cardp->bulk_out_buffer) {
210 lbs_deb_usbd(&udev->dev,
211 "Could not allocate buffer\n");
217 /* Upload firmware */
218 cardp->rinfo.cardp = cardp;
219 if (if_usb_prog_firmware(cardp)) {
220 lbs_deb_usbd(&udev->dev, "FW upload failed");
221 goto err_prog_firmware;
224 if (!(priv = lbs_add_card(cardp, &udev->dev)))
225 goto err_prog_firmware;
229 if (lbs_add_mesh(priv, &udev->dev))
232 cardp->eth_dev = priv->dev;
234 priv->hw_host_to_card = if_usb_host_to_card;
235 priv->hw_get_int_status = if_usb_get_int_status;
236 priv->hw_read_event_cause = if_usb_read_event_cause;
237 priv->boot2_version = udev->descriptor.bcdDevice;
239 /* Delay 200 ms to waiting for the FW ready */
240 if_usb_submit_rx_urb(cardp);
241 msleep_interruptible(200);
242 priv->adapter->fw_ready = 1;
244 if (lbs_start_card(priv))
247 list_add_tail(&cardp->list, &usb_devices);
250 usb_set_intfdata(intf, cardp);
255 lbs_remove_mesh(priv);
257 lbs_remove_card(priv);
259 if_usb_reset_device(cardp);
268 * @brief free resource and cleanup
269 * @param intf USB interface structure
272 static void if_usb_disconnect(struct usb_interface *intf)
274 struct usb_card_rec *cardp = usb_get_intfdata(intf);
275 lbs_private *priv = (lbs_private *) cardp->priv;
277 lbs_deb_enter(LBS_DEB_MAIN);
279 /* Update Surprise removed to TRUE */
280 cardp->surprise_removed = 1;
282 list_del(&cardp->list);
285 lbs_adapter *adapter = priv->adapter;
287 adapter->surpriseremoved = 1;
289 lbs_remove_mesh(priv);
290 lbs_remove_card(priv);
293 /* Unlink and free urb */
296 usb_set_intfdata(intf, NULL);
297 usb_put_dev(interface_to_usbdev(intf));
299 lbs_deb_leave(LBS_DEB_MAIN);
303 * @brief This function download FW
304 * @param priv pointer to lbs_private
307 static int if_prog_firmware(struct usb_card_rec *cardp)
309 struct FWData *fwdata;
310 struct fwheader *fwheader;
311 u8 *firmware = cardp->fw->data;
313 fwdata = kmalloc(sizeof(struct FWData), GFP_ATOMIC);
318 fwheader = &fwdata->fwheader;
320 if (!cardp->CRC_OK) {
321 cardp->totalbytes = cardp->fwlastblksent;
322 cardp->fwseqnum = cardp->lastseqnum - 1;
326 lbs_deb_usbd(&cardp->udev->dev, "totalbytes = %d\n",
330 memcpy(fwheader, &firmware[cardp->totalbytes],
331 sizeof(struct fwheader));
333 cardp->fwlastblksent = cardp->totalbytes;
334 cardp->totalbytes += sizeof(struct fwheader);
336 /* lbs_deb_usbd(&cardp->udev->dev,"Copy Data\n"); */
337 memcpy(fwdata->data, &firmware[cardp->totalbytes],
338 le32_to_cpu(fwdata->fwheader.datalength));
341 lbs_deb_usbd(&cardp->udev->dev,
342 "Data length = %d\n", le32_to_cpu(fwdata->fwheader.datalength));
345 cardp->fwseqnum = cardp->fwseqnum + 1;
347 fwdata->seqnum = cpu_to_le32(cardp->fwseqnum);
348 cardp->lastseqnum = cardp->fwseqnum;
349 cardp->totalbytes += le32_to_cpu(fwdata->fwheader.datalength);
351 if (fwheader->dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) {
353 lbs_deb_usbd(&cardp->udev->dev, "There are data to follow\n");
354 lbs_deb_usbd(&cardp->udev->dev,
355 "seqnum = %d totalbytes = %d\n", cardp->fwseqnum,
358 memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE);
359 usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE);
361 } else if (fwdata->fwheader.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) {
363 lbs_deb_usbd(&cardp->udev->dev,
364 "Host has finished FW downloading\n");
365 lbs_deb_usbd(&cardp->udev->dev,
366 "Donwloading FW JUMP BLOCK\n");
368 memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE);
369 usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE);
370 cardp->fwfinalblk = 1;
374 lbs_deb_usbd(&cardp->udev->dev,
375 "The firmware download is done size is %d\n",
384 static int if_usb_reset_device(struct usb_card_rec *cardp)
387 lbs_private * priv = cardp->priv;
389 lbs_deb_enter(LBS_DEB_USB);
391 /* Try a USB port reset first, if that fails send the reset
392 * command to the firmware.
394 ret = usb_reset_device(cardp->udev);
397 ret = lbs_reset_device(priv);
401 lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
407 * @brief This function transfer the data to the device.
408 * @param priv pointer to lbs_private
409 * @param payload pointer to payload data
410 * @param nb data length
413 static int usb_tx_block(struct usb_card_rec *cardp, u8 * payload, u16 nb)
417 /* check if device is removed */
418 if (cardp->surprise_removed) {
419 lbs_deb_usbd(&cardp->udev->dev, "Device removed\n");
423 usb_fill_bulk_urb(cardp->tx_urb, cardp->udev,
424 usb_sndbulkpipe(cardp->udev,
425 cardp->bulk_out_endpointAddr),
426 payload, nb, if_usb_write_bulk_callback, cardp);
428 cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET;
430 if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) {
431 /* transfer failed */
432 lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed\n");
435 /* lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb success\n"); */
443 static int __if_usb_submit_rx_urb(struct usb_card_rec *cardp,
444 void (*callbackfn)(struct urb *urb))
447 struct read_cb_info *rinfo = &cardp->rinfo;
450 if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) {
451 lbs_pr_err("No free skb\n");
457 /* Fill the receive configuration URB and initialise the Rx call back */
458 usb_fill_bulk_urb(cardp->rx_urb, cardp->udev,
459 usb_rcvbulkpipe(cardp->udev,
460 cardp->bulk_in_endpointAddr),
461 (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET),
462 MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn,
465 cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET;
467 /* lbs_deb_usbd(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); */
468 if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) {
469 /* handle failure conditions */
470 lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed\n");
473 /* lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB success\n"); */
481 static int if_usb_submit_rx_urb_fwload(struct usb_card_rec *cardp)
483 return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload);
486 static int if_usb_submit_rx_urb(struct usb_card_rec *cardp)
488 return __if_usb_submit_rx_urb(cardp, &if_usb_receive);
491 static void if_usb_receive_fwload(struct urb *urb)
493 struct read_cb_info *rinfo = (struct read_cb_info *)urb->context;
494 struct sk_buff *skb = rinfo->skb;
495 struct usb_card_rec *cardp = (struct usb_card_rec *)rinfo->cardp;
496 struct fwsyncheader *syncfwheader;
497 struct bootcmdrespStr bootcmdresp;
500 lbs_deb_usbd(&cardp->udev->dev,
501 "URB status is failed during fw load\n");
506 if (cardp->bootcmdresp == 0) {
507 memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET,
508 sizeof(bootcmdresp));
509 if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) {
511 if_usb_submit_rx_urb_fwload(cardp);
512 cardp->bootcmdresp = 1;
513 lbs_deb_usbd(&cardp->udev->dev,
514 "Received valid boot command response\n");
517 if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) {
519 "boot cmd response wrong magic number (0x%x)\n",
520 le32_to_cpu(bootcmdresp.u32magicnumber));
521 } else if (bootcmdresp.u8cmd_tag != BOOT_CMD_FW_BY_USB) {
523 "boot cmd response cmd_tag error (%d)\n",
524 bootcmdresp.u8cmd_tag);
525 } else if (bootcmdresp.u8result != BOOT_CMD_RESP_OK) {
527 "boot cmd response result error (%d)\n",
528 bootcmdresp.u8result);
530 cardp->bootcmdresp = 1;
531 lbs_deb_usbd(&cardp->udev->dev,
532 "Received valid boot command response\n");
535 if_usb_submit_rx_urb_fwload(cardp);
539 syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC);
541 lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n");
546 memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET,
547 sizeof(struct fwsyncheader));
549 if (!syncfwheader->cmd) {
551 lbs_deb_usbd(&cardp->udev->dev,
552 "FW received Blk with correct CRC\n");
553 lbs_deb_usbd(&cardp->udev->dev,
554 "FW received Blk seqnum = %d\n",
555 syncfwheader->seqnum);
559 lbs_deb_usbd(&cardp->udev->dev,
560 "FW received Blk with CRC error\n");
566 if (cardp->fwfinalblk) {
567 cardp->fwdnldover = 1;
571 if_prog_firmware(cardp);
573 if_usb_submit_rx_urb_fwload(cardp);
581 #define MRVDRV_MIN_PKT_LEN 30
583 static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb,
584 struct usb_card_rec *cardp,
587 if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE +
588 MESSAGE_HEADER_LEN || recvlength < MRVDRV_MIN_PKT_LEN) {
589 lbs_deb_usbd(&cardp->udev->dev,
590 "Packet length is Invalid\n");
595 skb_reserve(skb, IPFIELD_ALIGN_OFFSET);
596 skb_put(skb, recvlength);
597 skb_pull(skb, MESSAGE_HEADER_LEN);
598 lbs_process_rxed_packet(priv, skb);
599 priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
602 static inline void process_cmdrequest(int recvlength, u8 *recvbuff,
604 struct usb_card_rec *cardp,
608 if (recvlength > MRVDRV_SIZE_OF_CMD_BUFFER) {
609 lbs_deb_usbd(&cardp->udev->dev,
610 "The receive buffer is too large\n");
618 spin_lock(&priv->adapter->driver_lock);
619 /* take care of cur_cmd = NULL case by reading the
620 * data to clear the interrupt */
621 if (!priv->adapter->cur_cmd) {
622 cmdbuf = priv->upld_buf;
623 priv->adapter->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY;
625 cmdbuf = priv->adapter->cur_cmd->bufvirtualaddr;
627 cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY;
628 priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
629 memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN,
633 lbs_interrupt(priv->dev);
634 spin_unlock(&priv->adapter->driver_lock);
636 lbs_deb_usbd(&cardp->udev->dev,
637 "Wake up main thread to handle cmd response\n");
643 * @brief This function reads of the packet into the upload buff,
644 * wake up the main thread and initialise the Rx callack.
646 * @param urb pointer to struct urb
649 static void if_usb_receive(struct urb *urb)
651 struct read_cb_info *rinfo = (struct read_cb_info *)urb->context;
652 struct sk_buff *skb = rinfo->skb;
653 struct usb_card_rec *cardp = (struct usb_card_rec *) rinfo->cardp;
654 lbs_private * priv = cardp->priv;
656 int recvlength = urb->actual_length;
660 lbs_deb_enter(LBS_DEB_USB);
666 lbs_deb_usbd(&cardp->udev->dev,
667 "URB status is failed\n");
672 recvbuff = skb->data + IPFIELD_ALIGN_OFFSET;
673 memcpy(&tmp, recvbuff, sizeof(u32));
674 recvtype = le32_to_cpu(tmp);
675 lbs_deb_usbd(&cardp->udev->dev,
676 "Recv length = 0x%x, Recv type = 0x%X\n",
677 recvlength, recvtype);
678 } else if (urb->status)
683 process_cmdtypedata(recvlength, skb, cardp, priv);
686 case CMD_TYPE_REQUEST:
687 process_cmdrequest(recvlength, recvbuff, skb, cardp, priv);
690 case CMD_TYPE_INDICATION:
691 /* Event cause handling */
692 spin_lock(&priv->adapter->driver_lock);
693 cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN));
694 lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n",
695 cardp->usb_event_cause);
696 if (cardp->usb_event_cause & 0xffff0000) {
697 lbs_send_tx_feedback(priv);
698 spin_unlock(&priv->adapter->driver_lock);
701 cardp->usb_event_cause <<= 3;
702 cardp->usb_int_cause |= MRVDRV_CARDEVENT;
704 lbs_interrupt(priv->dev);
705 spin_unlock(&priv->adapter->driver_lock);
708 lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n",
715 if_usb_submit_rx_urb(cardp);
717 lbs_deb_leave(LBS_DEB_USB);
721 * @brief This function downloads data to FW
722 * @param priv pointer to lbs_private structure
723 * @param type type of data
724 * @param buf pointer to data buffer
725 * @param len number of bytes
728 static int if_usb_host_to_card(lbs_private *priv, u8 type, u8 *payload, u16 nb)
730 struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card;
732 lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type);
733 lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb);
735 if (type == MVMS_CMD) {
736 __le32 tmp = cpu_to_le32(CMD_TYPE_REQUEST);
737 priv->dnld_sent = DNLD_CMD_SENT;
738 memcpy(cardp->bulk_out_buffer, (u8 *) & tmp,
742 __le32 tmp = cpu_to_le32(CMD_TYPE_DATA);
743 priv->dnld_sent = DNLD_DATA_SENT;
744 memcpy(cardp->bulk_out_buffer, (u8 *) & tmp,
748 memcpy((cardp->bulk_out_buffer + MESSAGE_HEADER_LEN), payload, nb);
750 return usb_tx_block(cardp, cardp->bulk_out_buffer,
751 nb + MESSAGE_HEADER_LEN);
754 /* called with adapter->driver_lock held */
755 static int if_usb_get_int_status(lbs_private *priv, u8 *ireg)
757 struct usb_card_rec *cardp = priv->card;
759 *ireg = cardp->usb_int_cause;
760 cardp->usb_int_cause = 0;
762 lbs_deb_usbd(&cardp->udev->dev,"Int cause is 0x%X\n", *ireg);
767 static int if_usb_read_event_cause(lbs_private * priv)
769 struct usb_card_rec *cardp = priv->card;
771 priv->adapter->eventcause = cardp->usb_event_cause;
772 /* Re-submit rx urb here to avoid event lost issue */
773 if_usb_submit_rx_urb(cardp);
778 * @brief This function issues Boot command to the Boot2 code
779 * @param ivalue 1:Boot from FW by USB-Download
780 * 2:Boot from FW in EEPROM
783 static int if_usb_issue_boot_command(struct usb_card_rec *cardp, int ivalue)
785 struct bootcmdstr sbootcmd;
788 /* Prepare command */
789 sbootcmd.u32magicnumber = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER);
790 sbootcmd.u8cmd_tag = ivalue;
792 sbootcmd.au8dumy[i]=0x00;
793 memcpy(cardp->bulk_out_buffer, &sbootcmd, sizeof(struct bootcmdstr));
796 usb_tx_block(cardp, cardp->bulk_out_buffer, sizeof(struct bootcmdstr));
803 * @brief This function checks the validity of Boot2/FW image.
805 * @param data pointer to image
809 static int check_fwfile_format(u8 *data, u32 totlen)
812 u32 blksize, offset, len;
819 struct fwheader *fwh = (void *)data;
821 bincmd = le32_to_cpu(fwh->dnldcmd);
822 blksize = le32_to_cpu(fwh->datalength);
824 case FW_HAS_DATA_TO_RECV:
825 offset = sizeof(struct fwheader) + blksize;
831 case FW_HAS_LAST_BLOCK:
842 lbs_pr_err("firmware file format check FAIL\n");
844 lbs_deb_fw("firmware file format check PASS\n");
850 static int if_usb_prog_firmware(struct usb_card_rec *cardp)
853 static int reset_count = 10;
856 lbs_deb_enter(LBS_DEB_USB);
858 if ((ret = request_firmware(&cardp->fw, lbs_fw_name,
859 &cardp->udev->dev)) < 0) {
860 lbs_pr_err("request_firmware() failed with %#x\n", ret);
861 lbs_pr_err("firmware %s not found\n", lbs_fw_name);
865 if (check_fwfile_format(cardp->fw->data, cardp->fw->size))
869 if (if_usb_submit_rx_urb_fwload(cardp) < 0) {
870 lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n");
875 cardp->bootcmdresp = 0;
879 /* Issue Boot command = 1, Boot from Download-FW */
880 if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB);
881 /* wait for command response */
884 msleep_interruptible(100);
885 } while (cardp->bootcmdresp == 0 && j < 10);
886 } while (cardp->bootcmdresp == 0 && i < 5);
888 if (cardp->bootcmdresp == 0) {
889 if (--reset_count >= 0) {
890 if_usb_reset_device(cardp);
898 cardp->totalbytes = 0;
899 cardp->fwlastblksent = 0;
901 cardp->fwdnldover = 0;
902 cardp->fwseqnum = -1;
903 cardp->totalbytes = 0;
904 cardp->fwfinalblk = 0;
906 if_prog_firmware(cardp);
909 lbs_deb_usbd(&cardp->udev->dev,"Wlan sched timeout\n");
911 msleep_interruptible(100);
912 if (cardp->surprise_removed || i >= 20)
914 } while (!cardp->fwdnldover);
916 if (!cardp->fwdnldover) {
917 lbs_pr_info("failed to load fw, resetting device!\n");
918 if (--reset_count >= 0) {
919 if_usb_reset_device(cardp);
923 lbs_pr_info("FW download failure, time = %d ms\n", i * 100);
929 release_firmware(cardp->fw);
933 lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
939 static int if_usb_suspend(struct usb_interface *intf, pm_message_t message)
941 struct usb_card_rec *cardp = usb_get_intfdata(intf);
942 lbs_private *priv = cardp->priv;
944 lbs_deb_enter(LBS_DEB_USB);
946 if (priv->adapter->psstate != PS_STATE_FULL_POWER)
949 if (priv->mesh_dev && !priv->mesh_autostart_enabled) {
950 /* Mesh autostart must be activated while sleeping
951 * On resume it will go back to the current state
953 struct cmd_ds_mesh_access mesh_access;
954 memset(&mesh_access, 0, sizeof(mesh_access));
955 mesh_access.data[0] = cpu_to_le32(1);
956 lbs_prepare_and_send_command(priv,
958 CMD_ACT_MESH_SET_AUTOSTART_ENABLED,
959 CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access);
962 netif_device_detach(cardp->eth_dev);
963 netif_device_detach(priv->mesh_dev);
965 /* Unlink tx & rx urb */
966 usb_kill_urb(cardp->tx_urb);
967 usb_kill_urb(cardp->rx_urb);
969 cardp->rx_urb_recall = 1;
971 lbs_deb_leave(LBS_DEB_USB);
975 static int if_usb_resume(struct usb_interface *intf)
977 struct usb_card_rec *cardp = usb_get_intfdata(intf);
978 lbs_private *priv = cardp->priv;
980 lbs_deb_enter(LBS_DEB_USB);
982 cardp->rx_urb_recall = 0;
984 if_usb_submit_rx_urb(cardp->priv);
986 netif_device_attach(cardp->eth_dev);
987 netif_device_attach(priv->mesh_dev);
989 if (priv->mesh_dev && !priv->mesh_autostart_enabled) {
990 /* Mesh autostart was activated while sleeping
991 * Disable it if appropriate
993 struct cmd_ds_mesh_access mesh_access;
994 memset(&mesh_access, 0, sizeof(mesh_access));
995 mesh_access.data[0] = cpu_to_le32(0);
996 lbs_prepare_and_send_command(priv,
998 CMD_ACT_MESH_SET_AUTOSTART_ENABLED,
999 CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access);
1002 lbs_deb_leave(LBS_DEB_USB);
1006 #define if_usb_suspend NULL
1007 #define if_usb_resume NULL
1010 static struct usb_driver if_usb_driver = {
1012 .name = usbdriver_name,
1013 /* probe function name */
1014 .probe = if_usb_probe,
1015 /* disconnect function name */
1016 .disconnect = if_usb_disconnect,
1017 /* device signature table */
1018 .id_table = if_usb_table,
1019 .suspend = if_usb_suspend,
1020 .resume = if_usb_resume,
1023 static int __init if_usb_init_module(void)
1027 lbs_deb_enter(LBS_DEB_MAIN);
1029 ret = usb_register(&if_usb_driver);
1031 lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
1035 static void __exit if_usb_exit_module(void)
1037 struct usb_card_rec *cardp, *cardp_temp;
1039 lbs_deb_enter(LBS_DEB_MAIN);
1041 list_for_each_entry_safe(cardp, cardp_temp, &usb_devices, list) {
1042 lbs_prepare_and_send_command(cardp->priv, CMD_802_11_RESET,
1043 CMD_ACT_HALT, 0, 0, NULL);
1046 /* API unregisters the driver from USB subsystem */
1047 usb_deregister(&if_usb_driver);
1049 lbs_deb_leave(LBS_DEB_MAIN);
1052 module_init(if_usb_init_module);
1053 module_exit(if_usb_exit_module);
1055 MODULE_DESCRIPTION("8388 USB WLAN Driver");
1056 MODULE_AUTHOR("Marvell International Ltd.");
1057 MODULE_LICENSE("GPL");