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>
10 #define DRV_NAME "usb8xxx"
19 #define MESSAGE_HEADER_LEN 4
21 static char *lbs_fw_name = "usb8388.bin";
22 module_param_named(fw_name, lbs_fw_name, charp, 0644);
24 static struct usb_device_id if_usb_table[] = {
25 /* Enter the device signature inside */
26 { USB_DEVICE(0x1286, 0x2001) },
27 { USB_DEVICE(0x05a3, 0x8388) },
28 {} /* Terminating entry */
31 MODULE_DEVICE_TABLE(usb, if_usb_table);
33 static void if_usb_receive(struct urb *urb);
34 static void if_usb_receive_fwload(struct urb *urb);
35 static int if_usb_prog_firmware(struct usb_card_rec *cardp);
36 static int if_usb_host_to_card(struct lbs_private *priv,
40 static int if_usb_get_int_status(struct lbs_private *priv, u8 *);
41 static int if_usb_read_event_cause(struct lbs_private *);
42 static int usb_tx_block(struct usb_card_rec *cardp, u8 *payload, u16 nb);
43 static void if_usb_free(struct usb_card_rec *cardp);
44 static int if_usb_submit_rx_urb(struct usb_card_rec *cardp);
45 static int if_usb_reset_device(struct usb_card_rec *cardp);
48 * @brief call back function to handle the status of the URB
49 * @param urb pointer to urb structure
52 static void if_usb_write_bulk_callback(struct urb *urb)
54 struct usb_card_rec *cardp = (struct usb_card_rec *) urb->context;
56 /* handle the transmission complete validations */
58 if (urb->status == 0) {
59 struct lbs_private *priv = cardp->priv;
62 lbs_deb_usbd(&urb->dev->dev, "URB status is successfull\n");
63 lbs_deb_usbd(&urb->dev->dev, "Actual length transmitted %d\n",
67 /* Used for both firmware TX and regular TX. priv isn't
68 * valid at firmware load time.
71 lbs_host_to_card_done(priv);
73 /* print the failure status number for debug */
74 lbs_pr_info("URB in failure status: %d\n", urb->status);
81 * @brief free tx/rx urb, skb and rx buffer
82 * @param cardp pointer usb_card_rec
85 static void if_usb_free(struct usb_card_rec *cardp)
87 lbs_deb_enter(LBS_DEB_USB);
89 /* Unlink tx & rx urb */
90 usb_kill_urb(cardp->tx_urb);
91 usb_kill_urb(cardp->rx_urb);
93 usb_free_urb(cardp->tx_urb);
96 usb_free_urb(cardp->rx_urb);
99 kfree(cardp->bulk_out_buffer);
100 cardp->bulk_out_buffer = NULL;
102 lbs_deb_leave(LBS_DEB_USB);
105 static void if_usb_set_boot2_ver(struct lbs_private *priv)
107 struct cmd_ds_set_boot2_ver b2_cmd;
110 b2_cmd.version = priv->boot2_version;
112 if (lbs_cmd(priv, CMD_SET_BOOT2_VER, b2_cmd, NULL, 0))
113 lbs_deb_usb("Setting boot2 version failed\n");
116 void if_usb_fw_timeo(unsigned long priv)
118 struct usb_card_rec *cardp = (void *)priv;
120 if (cardp->fwdnldover) {
121 lbs_deb_usb("Download complete, no event. Assuming success\n");
123 lbs_pr_err("Download timed out\n");
124 cardp->surprise_removed = 1;
126 wake_up(&cardp->fw_wq);
129 * @brief sets the configuration values
130 * @param ifnum interface number
131 * @param id pointer to usb_device_id
132 * @return 0 on success, error code on failure
134 static int if_usb_probe(struct usb_interface *intf,
135 const struct usb_device_id *id)
137 struct usb_device *udev;
138 struct usb_host_interface *iface_desc;
139 struct usb_endpoint_descriptor *endpoint;
140 struct lbs_private *priv;
141 struct usb_card_rec *cardp;
144 udev = interface_to_usbdev(intf);
146 cardp = kzalloc(sizeof(struct usb_card_rec), GFP_KERNEL);
148 lbs_pr_err("Out of memory allocating private data.\n");
152 setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp);
153 init_waitqueue_head(&cardp->fw_wq);
156 iface_desc = intf->cur_altsetting;
158 lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X"
159 " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n",
160 le16_to_cpu(udev->descriptor.bcdUSB),
161 udev->descriptor.bDeviceClass,
162 udev->descriptor.bDeviceSubClass,
163 udev->descriptor.bDeviceProtocol);
165 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
166 endpoint = &iface_desc->endpoint[i].desc;
167 if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
168 && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
169 USB_ENDPOINT_XFER_BULK)) {
170 /* we found a bulk in endpoint */
171 lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n",
172 le16_to_cpu(endpoint->wMaxPacketSize));
173 if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) {
174 lbs_deb_usbd(&udev->dev,
175 "Rx URB allocation failed\n");
178 cardp->rx_urb_recall = 0;
180 cardp->bulk_in_size =
181 le16_to_cpu(endpoint->wMaxPacketSize);
182 cardp->bulk_in_endpointAddr =
184 bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
185 lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n",
186 endpoint->bEndpointAddress);
190 bEndpointAddress & USB_ENDPOINT_DIR_MASK) ==
192 && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
193 USB_ENDPOINT_XFER_BULK)) {
194 /* We found bulk out endpoint */
195 if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) {
196 lbs_deb_usbd(&udev->dev,
197 "Tx URB allocation failed\n");
201 cardp->bulk_out_size =
202 le16_to_cpu(endpoint->wMaxPacketSize);
203 lbs_deb_usbd(&udev->dev,
204 "Bulk out size is %d\n",
205 le16_to_cpu(endpoint->wMaxPacketSize));
206 cardp->bulk_out_endpointAddr =
207 endpoint->bEndpointAddress;
208 lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n",
209 endpoint->bEndpointAddress);
210 cardp->bulk_out_buffer =
211 kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE,
214 if (!cardp->bulk_out_buffer) {
215 lbs_deb_usbd(&udev->dev,
216 "Could not allocate buffer\n");
222 /* Upload firmware */
223 cardp->rinfo.cardp = cardp;
224 if (if_usb_prog_firmware(cardp)) {
225 lbs_deb_usbd(&udev->dev, "FW upload failed");
226 goto err_prog_firmware;
229 if (!(priv = lbs_add_card(cardp, &udev->dev)))
230 goto err_prog_firmware;
233 cardp->priv->fw_ready = 1;
235 if (lbs_add_mesh(priv, &udev->dev))
238 cardp->eth_dev = priv->dev;
240 priv->hw_host_to_card = if_usb_host_to_card;
241 priv->hw_get_int_status = if_usb_get_int_status;
242 priv->hw_read_event_cause = if_usb_read_event_cause;
243 priv->boot2_version = udev->descriptor.bcdDevice;
245 if_usb_submit_rx_urb(cardp);
247 if (lbs_start_card(priv))
250 if_usb_set_boot2_ver(priv);
253 usb_set_intfdata(intf, cardp);
258 lbs_remove_mesh(priv);
260 lbs_remove_card(priv);
262 if_usb_reset_device(cardp);
271 * @brief free resource and cleanup
272 * @param intf USB interface structure
275 static void if_usb_disconnect(struct usb_interface *intf)
277 struct usb_card_rec *cardp = usb_get_intfdata(intf);
278 struct lbs_private *priv = (struct lbs_private *) cardp->priv;
280 lbs_deb_enter(LBS_DEB_MAIN);
282 /* Update Surprise removed to TRUE */
283 cardp->surprise_removed = 1;
287 priv->surpriseremoved = 1;
289 lbs_remove_mesh(priv);
290 lbs_remove_card(priv);
293 /* this is (apparently?) necessary for future usage of the device */
294 lbs_prepare_and_send_command(priv, CMD_802_11_RESET, CMD_ACT_HALT,
297 /* Unlink and free urb */
300 usb_set_intfdata(intf, NULL);
301 usb_put_dev(interface_to_usbdev(intf));
303 lbs_deb_leave(LBS_DEB_MAIN);
307 * @brief This function download FW
308 * @param priv pointer to struct lbs_private
311 static int if_usb_send_fw_pkt(struct usb_card_rec *cardp)
313 struct FWData *fwdata;
314 struct fwheader *fwheader;
315 u8 *firmware = cardp->fw->data;
317 fwdata = kmalloc(sizeof(struct FWData), GFP_ATOMIC);
322 fwheader = &fwdata->fwheader;
324 if (!cardp->CRC_OK) {
325 cardp->totalbytes = cardp->fwlastblksent;
326 cardp->fwseqnum = cardp->lastseqnum - 1;
330 lbs_deb_usbd(&cardp->udev->dev, "totalbytes = %d\n",
334 memcpy(fwheader, &firmware[cardp->totalbytes],
335 sizeof(struct fwheader));
337 cardp->fwlastblksent = cardp->totalbytes;
338 cardp->totalbytes += sizeof(struct fwheader);
340 /* lbs_deb_usbd(&cardp->udev->dev,"Copy Data\n"); */
341 memcpy(fwdata->data, &firmware[cardp->totalbytes],
342 le32_to_cpu(fwdata->fwheader.datalength));
345 lbs_deb_usbd(&cardp->udev->dev,
346 "Data length = %d\n", le32_to_cpu(fwdata->fwheader.datalength));
349 cardp->fwseqnum = cardp->fwseqnum + 1;
351 fwdata->seqnum = cpu_to_le32(cardp->fwseqnum);
352 cardp->lastseqnum = cardp->fwseqnum;
353 cardp->totalbytes += le32_to_cpu(fwdata->fwheader.datalength);
355 if (fwheader->dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) {
357 lbs_deb_usbd(&cardp->udev->dev, "There are data to follow\n");
358 lbs_deb_usbd(&cardp->udev->dev,
359 "seqnum = %d totalbytes = %d\n", cardp->fwseqnum,
362 memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE);
363 usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE);
365 } else if (fwdata->fwheader.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) {
367 lbs_deb_usbd(&cardp->udev->dev,
368 "Host has finished FW downloading\n");
369 lbs_deb_usbd(&cardp->udev->dev,
370 "Donwloading FW JUMP BLOCK\n");
372 memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE);
373 usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE);
374 cardp->fwfinalblk = 1;
378 lbs_deb_usbd(&cardp->udev->dev,
379 "The firmware download is done size is %d\n",
388 static int if_usb_reset_device(struct usb_card_rec *cardp)
390 struct cmd_ds_command *cmd = (void *)&cardp->bulk_out_buffer[4];
393 lbs_deb_enter(LBS_DEB_USB);
395 *(__le32 *)cardp->bulk_out_buffer = cpu_to_le32(CMD_TYPE_REQUEST);
397 cmd->command = cpu_to_le16(CMD_802_11_RESET);
398 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
399 cmd->result = cpu_to_le16(0);
400 cmd->seqnum = cpu_to_le16(0x5a5a);
401 cmd->params.reset.action = cpu_to_le16(CMD_ACT_HALT);
402 usb_tx_block(cardp, cardp->bulk_out_buffer, 4 + S_DS_GEN + sizeof(struct cmd_ds_802_11_reset));
405 ret = usb_reset_device(cardp->udev);
408 lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
414 * @brief This function transfer the data to the device.
415 * @param priv pointer to struct lbs_private
416 * @param payload pointer to payload data
417 * @param nb data length
420 static int usb_tx_block(struct usb_card_rec *cardp, u8 * payload, u16 nb)
424 /* check if device is removed */
425 if (cardp->surprise_removed) {
426 lbs_deb_usbd(&cardp->udev->dev, "Device removed\n");
430 usb_fill_bulk_urb(cardp->tx_urb, cardp->udev,
431 usb_sndbulkpipe(cardp->udev,
432 cardp->bulk_out_endpointAddr),
433 payload, nb, if_usb_write_bulk_callback, cardp);
435 cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET;
437 if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) {
438 /* transfer failed */
439 lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret);
442 /* lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb success\n"); */
450 static int __if_usb_submit_rx_urb(struct usb_card_rec *cardp,
451 void (*callbackfn)(struct urb *urb))
454 struct read_cb_info *rinfo = &cardp->rinfo;
457 if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) {
458 lbs_pr_err("No free skb\n");
464 /* Fill the receive configuration URB and initialise the Rx call back */
465 usb_fill_bulk_urb(cardp->rx_urb, cardp->udev,
466 usb_rcvbulkpipe(cardp->udev,
467 cardp->bulk_in_endpointAddr),
468 (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET),
469 MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn,
472 cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET;
474 /* lbs_deb_usbd(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); */
475 if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) {
476 /* handle failure conditions */
477 lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret);
482 /* lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB success\n"); */
490 static int if_usb_submit_rx_urb_fwload(struct usb_card_rec *cardp)
492 return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload);
495 static int if_usb_submit_rx_urb(struct usb_card_rec *cardp)
497 return __if_usb_submit_rx_urb(cardp, &if_usb_receive);
500 static void if_usb_receive_fwload(struct urb *urb)
502 struct read_cb_info *rinfo = (struct read_cb_info *)urb->context;
503 struct sk_buff *skb = rinfo->skb;
504 struct usb_card_rec *cardp = (struct usb_card_rec *)rinfo->cardp;
505 struct fwsyncheader *syncfwheader;
506 struct bootcmdrespStr bootcmdresp;
509 lbs_deb_usbd(&cardp->udev->dev,
510 "URB status is failed during fw load\n");
515 if (cardp->fwdnldover) {
516 __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET);
518 if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) &&
519 tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) {
520 lbs_pr_info("Firmware ready event received\n");
521 wake_up(&cardp->fw_wq);
523 lbs_deb_usb("Waiting for confirmation; got %x %x\n", le32_to_cpu(tmp[0]),
524 le32_to_cpu(tmp[1]));
525 if_usb_submit_rx_urb_fwload(cardp);
530 if (cardp->bootcmdresp <= 0) {
531 memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET,
532 sizeof(bootcmdresp));
533 if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) {
535 if_usb_submit_rx_urb_fwload(cardp);
536 cardp->bootcmdresp = 1;
537 lbs_deb_usbd(&cardp->udev->dev,
538 "Received valid boot command response\n");
541 if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) {
542 if (bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_REQUEST) ||
543 bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_DATA) ||
544 bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_INDICATION)) {
545 if (!cardp->bootcmdresp)
546 lbs_pr_info("Firmware already seems alive; resetting\n");
547 cardp->bootcmdresp = -1;
549 lbs_pr_info("boot cmd response wrong magic number (0x%x)\n",
550 le32_to_cpu(bootcmdresp.u32magicnumber));
552 } else if (bootcmdresp.u8cmd_tag != BOOT_CMD_FW_BY_USB) {
554 "boot cmd response cmd_tag error (%d)\n",
555 bootcmdresp.u8cmd_tag);
556 } else if (bootcmdresp.u8result != BOOT_CMD_RESP_OK) {
558 "boot cmd response result error (%d)\n",
559 bootcmdresp.u8result);
561 cardp->bootcmdresp = 1;
562 lbs_deb_usbd(&cardp->udev->dev,
563 "Received valid boot command response\n");
566 if_usb_submit_rx_urb_fwload(cardp);
570 syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC);
572 lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n");
577 memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET,
578 sizeof(struct fwsyncheader));
580 if (!syncfwheader->cmd) {
582 lbs_deb_usbd(&cardp->udev->dev,
583 "FW received Blk with correct CRC\n");
584 lbs_deb_usbd(&cardp->udev->dev,
585 "FW received Blk seqnum = %d\n",
586 syncfwheader->seqnum);
590 lbs_deb_usbd(&cardp->udev->dev,
591 "FW received Blk with CRC error\n");
597 /* reschedule timer for 200ms hence */
598 mod_timer(&cardp->fw_timeout, jiffies + (HZ/5));
600 if (cardp->fwfinalblk) {
601 cardp->fwdnldover = 1;
605 if_usb_send_fw_pkt(cardp);
608 if_usb_submit_rx_urb_fwload(cardp);
615 #define MRVDRV_MIN_PKT_LEN 30
617 static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb,
618 struct usb_card_rec *cardp,
619 struct lbs_private *priv)
621 if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE +
622 MESSAGE_HEADER_LEN || recvlength < MRVDRV_MIN_PKT_LEN) {
623 lbs_deb_usbd(&cardp->udev->dev,
624 "Packet length is Invalid\n");
629 skb_reserve(skb, IPFIELD_ALIGN_OFFSET);
630 skb_put(skb, recvlength);
631 skb_pull(skb, MESSAGE_HEADER_LEN);
632 lbs_process_rxed_packet(priv, skb);
633 priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
636 static inline void process_cmdrequest(int recvlength, u8 *recvbuff,
638 struct usb_card_rec *cardp,
639 struct lbs_private *priv)
642 if (recvlength > LBS_CMD_BUFFER_SIZE) {
643 lbs_deb_usbd(&cardp->udev->dev,
644 "The receive buffer is too large\n");
652 spin_lock(&priv->driver_lock);
653 /* take care of cur_cmd = NULL case by reading the
654 * data to clear the interrupt */
655 if (!priv->cur_cmd) {
656 cmdbuf = priv->upld_buf;
657 priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY;
659 cmdbuf = (u8 *) priv->cur_cmd->cmdbuf;
661 cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY;
662 priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
663 memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN,
668 spin_unlock(&priv->driver_lock);
670 lbs_deb_usbd(&cardp->udev->dev,
671 "Wake up main thread to handle cmd response\n");
677 * @brief This function reads of the packet into the upload buff,
678 * wake up the main thread and initialise the Rx callack.
680 * @param urb pointer to struct urb
683 static void if_usb_receive(struct urb *urb)
685 struct read_cb_info *rinfo = (struct read_cb_info *)urb->context;
686 struct sk_buff *skb = rinfo->skb;
687 struct usb_card_rec *cardp = (struct usb_card_rec *) rinfo->cardp;
688 struct lbs_private *priv = cardp->priv;
690 int recvlength = urb->actual_length;
694 lbs_deb_enter(LBS_DEB_USB);
700 lbs_deb_usbd(&cardp->udev->dev,
701 "URB status is failed\n");
706 recvbuff = skb->data + IPFIELD_ALIGN_OFFSET;
707 memcpy(&tmp, recvbuff, sizeof(u32));
708 recvtype = le32_to_cpu(tmp);
709 lbs_deb_usbd(&cardp->udev->dev,
710 "Recv length = 0x%x, Recv type = 0x%X\n",
711 recvlength, recvtype);
712 } else if (urb->status) {
719 process_cmdtypedata(recvlength, skb, cardp, priv);
722 case CMD_TYPE_REQUEST:
723 process_cmdrequest(recvlength, recvbuff, skb, cardp, priv);
726 case CMD_TYPE_INDICATION:
727 /* Event cause handling */
728 spin_lock(&priv->driver_lock);
729 cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN));
730 lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n",
731 cardp->usb_event_cause);
732 if (cardp->usb_event_cause & 0xffff0000) {
733 lbs_send_tx_feedback(priv);
734 spin_unlock(&priv->driver_lock);
737 cardp->usb_event_cause <<= 3;
738 cardp->usb_int_cause |= MRVDRV_CARDEVENT;
741 spin_unlock(&priv->driver_lock);
744 lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n",
751 if_usb_submit_rx_urb(cardp);
753 lbs_deb_leave(LBS_DEB_USB);
757 * @brief This function downloads data to FW
758 * @param priv pointer to struct lbs_private structure
759 * @param type type of data
760 * @param buf pointer to data buffer
761 * @param len number of bytes
764 static int if_usb_host_to_card(struct lbs_private *priv,
769 struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card;
771 lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type);
772 lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb);
774 if (type == MVMS_CMD) {
775 __le32 tmp = cpu_to_le32(CMD_TYPE_REQUEST);
776 priv->dnld_sent = DNLD_CMD_SENT;
777 memcpy(cardp->bulk_out_buffer, (u8 *) & tmp,
781 __le32 tmp = cpu_to_le32(CMD_TYPE_DATA);
782 priv->dnld_sent = DNLD_DATA_SENT;
783 memcpy(cardp->bulk_out_buffer, (u8 *) & tmp,
787 memcpy((cardp->bulk_out_buffer + MESSAGE_HEADER_LEN), payload, nb);
789 return usb_tx_block(cardp, cardp->bulk_out_buffer,
790 nb + MESSAGE_HEADER_LEN);
793 /* called with priv->driver_lock held */
794 static int if_usb_get_int_status(struct lbs_private *priv, u8 *ireg)
796 struct usb_card_rec *cardp = priv->card;
798 *ireg = cardp->usb_int_cause;
799 cardp->usb_int_cause = 0;
801 lbs_deb_usbd(&cardp->udev->dev,"Int cause is 0x%X\n", *ireg);
806 static int if_usb_read_event_cause(struct lbs_private *priv)
808 struct usb_card_rec *cardp = priv->card;
810 priv->eventcause = cardp->usb_event_cause;
811 /* Re-submit rx urb here to avoid event lost issue */
812 if_usb_submit_rx_urb(cardp);
817 * @brief This function issues Boot command to the Boot2 code
818 * @param ivalue 1:Boot from FW by USB-Download
819 * 2:Boot from FW in EEPROM
822 static int if_usb_issue_boot_command(struct usb_card_rec *cardp, int ivalue)
824 struct bootcmdstr sbootcmd;
827 /* Prepare command */
828 sbootcmd.u32magicnumber = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER);
829 sbootcmd.u8cmd_tag = ivalue;
831 sbootcmd.au8dumy[i]=0x00;
832 memcpy(cardp->bulk_out_buffer, &sbootcmd, sizeof(struct bootcmdstr));
835 usb_tx_block(cardp, cardp->bulk_out_buffer, sizeof(struct bootcmdstr));
842 * @brief This function checks the validity of Boot2/FW image.
844 * @param data pointer to image
848 static int check_fwfile_format(u8 *data, u32 totlen)
851 u32 blksize, offset, len;
858 struct fwheader *fwh = (void *)data;
860 bincmd = le32_to_cpu(fwh->dnldcmd);
861 blksize = le32_to_cpu(fwh->datalength);
863 case FW_HAS_DATA_TO_RECV:
864 offset = sizeof(struct fwheader) + blksize;
870 case FW_HAS_LAST_BLOCK:
881 lbs_pr_err("firmware file format check FAIL\n");
883 lbs_deb_fw("firmware file format check PASS\n");
889 static int if_usb_prog_firmware(struct usb_card_rec *cardp)
892 static int reset_count = 10;
895 lbs_deb_enter(LBS_DEB_USB);
897 if ((ret = request_firmware(&cardp->fw, lbs_fw_name,
898 &cardp->udev->dev)) < 0) {
899 lbs_pr_err("request_firmware() failed with %#x\n", ret);
900 lbs_pr_err("firmware %s not found\n", lbs_fw_name);
904 if (check_fwfile_format(cardp->fw->data, cardp->fw->size))
908 if (if_usb_submit_rx_urb_fwload(cardp) < 0) {
909 lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n");
914 cardp->bootcmdresp = 0;
918 /* Issue Boot command = 1, Boot from Download-FW */
919 if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB);
920 /* wait for command response */
923 msleep_interruptible(100);
924 } while (cardp->bootcmdresp == 0 && j < 10);
925 } while (cardp->bootcmdresp == 0 && i < 5);
927 if (cardp->bootcmdresp <= 0) {
928 if (--reset_count >= 0) {
929 if_usb_reset_device(cardp);
937 cardp->totalbytes = 0;
938 cardp->fwlastblksent = 0;
940 cardp->fwdnldover = 0;
941 cardp->fwseqnum = -1;
942 cardp->totalbytes = 0;
943 cardp->fwfinalblk = 0;
945 /* Send the first firmware packet... */
946 if_usb_send_fw_pkt(cardp);
948 /* ... and wait for the process to complete */
949 wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover);
951 del_timer_sync(&cardp->fw_timeout);
952 usb_kill_urb(cardp->rx_urb);
954 if (!cardp->fwdnldover) {
955 lbs_pr_info("failed to load fw, resetting device!\n");
956 if (--reset_count >= 0) {
957 if_usb_reset_device(cardp);
961 lbs_pr_info("FW download failure, time = %d ms\n", i * 100);
967 release_firmware(cardp->fw);
971 lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
977 static int if_usb_suspend(struct usb_interface *intf, pm_message_t message)
979 struct usb_card_rec *cardp = usb_get_intfdata(intf);
980 struct lbs_private *priv = cardp->priv;
982 lbs_deb_enter(LBS_DEB_USB);
984 if (priv->psstate != PS_STATE_FULL_POWER)
987 if (priv->mesh_dev && !priv->mesh_autostart_enabled) {
988 /* Mesh autostart must be activated while sleeping
989 * On resume it will go back to the current state
991 struct cmd_ds_mesh_access mesh_access;
992 memset(&mesh_access, 0, sizeof(mesh_access));
994 mesh_access.data[0] = cpu_to_le32(1);
995 lbs_mesh_access(priv, CMD_ACT_MESH_SET_AUTOSTART_ENABLED, &mesh_access);
998 netif_device_detach(cardp->eth_dev);
999 netif_device_detach(priv->mesh_dev);
1001 /* Unlink tx & rx urb */
1002 usb_kill_urb(cardp->tx_urb);
1003 usb_kill_urb(cardp->rx_urb);
1005 cardp->rx_urb_recall = 1;
1007 lbs_deb_leave(LBS_DEB_USB);
1011 static int if_usb_resume(struct usb_interface *intf)
1013 struct usb_card_rec *cardp = usb_get_intfdata(intf);
1014 struct lbs_private *priv = cardp->priv;
1016 lbs_deb_enter(LBS_DEB_USB);
1018 cardp->rx_urb_recall = 0;
1020 if_usb_submit_rx_urb(cardp);
1022 netif_device_attach(cardp->eth_dev);
1023 netif_device_attach(priv->mesh_dev);
1025 if (priv->mesh_dev && !priv->mesh_autostart_enabled) {
1026 /* Mesh autostart was activated while sleeping
1027 * Disable it if appropriate
1029 struct cmd_ds_mesh_access mesh_access;
1030 memset(&mesh_access, 0, sizeof(mesh_access));
1031 mesh_access.data[0] = cpu_to_le32(0);
1032 lbs_mesh_access(priv, CMD_ACT_MESH_SET_AUTOSTART_ENABLED, &mesh_access);
1035 lbs_deb_leave(LBS_DEB_USB);
1039 #define if_usb_suspend NULL
1040 #define if_usb_resume NULL
1043 static struct usb_driver if_usb_driver = {
1045 .probe = if_usb_probe,
1046 .disconnect = if_usb_disconnect,
1047 .id_table = if_usb_table,
1048 .suspend = if_usb_suspend,
1049 .resume = if_usb_resume,
1052 static int __init if_usb_init_module(void)
1056 lbs_deb_enter(LBS_DEB_MAIN);
1058 ret = usb_register(&if_usb_driver);
1060 lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
1064 static void __exit if_usb_exit_module(void)
1066 lbs_deb_enter(LBS_DEB_MAIN);
1068 usb_deregister(&if_usb_driver);
1070 lbs_deb_leave(LBS_DEB_MAIN);
1073 module_init(if_usb_init_module);
1074 module_exit(if_usb_exit_module);
1076 MODULE_DESCRIPTION("8388 USB WLAN Driver");
1077 MODULE_AUTHOR("Marvell International Ltd.");
1078 MODULE_LICENSE("GPL");