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>
13 #define DRV_NAME "usb8xxx"
23 #define lbs_deb_usb2(...) do { if (INSANEDEBUG) lbs_deb_usbd(__VA_ARGS__); } while (0)
25 #define MESSAGE_HEADER_LEN 4
27 static char *lbs_fw_name = "usb8388.bin";
28 module_param_named(fw_name, lbs_fw_name, charp, 0644);
30 static struct usb_device_id if_usb_table[] = {
31 /* Enter the device signature inside */
32 { USB_DEVICE(0x1286, 0x2001) },
33 { USB_DEVICE(0x05a3, 0x8388) },
34 {} /* Terminating entry */
37 MODULE_DEVICE_TABLE(usb, if_usb_table);
39 static void if_usb_receive(struct urb *urb);
40 static void if_usb_receive_fwload(struct urb *urb);
41 static int if_usb_prog_firmware(struct if_usb_card *cardp);
42 static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
43 uint8_t *payload, uint16_t nb);
44 static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload,
46 static void if_usb_free(struct if_usb_card *cardp);
47 static int if_usb_submit_rx_urb(struct if_usb_card *cardp);
48 static int if_usb_reset_device(struct if_usb_card *cardp);
51 * @brief call back function to handle the status of the URB
52 * @param urb pointer to urb structure
55 static void if_usb_write_bulk_callback(struct urb *urb)
57 struct if_usb_card *cardp = (struct if_usb_card *) urb->context;
59 /* handle the transmission complete validations */
61 if (urb->status == 0) {
62 struct lbs_private *priv = cardp->priv;
64 lbs_deb_usb2(&urb->dev->dev, "URB status is successful\n");
65 lbs_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n",
68 /* Used for both firmware TX and regular TX. priv isn't
69 * valid at firmware load time.
72 lbs_host_to_card_done(priv);
74 /* print the failure status number for debug */
75 lbs_pr_info("URB in failure status: %d\n", urb->status);
82 * @brief free tx/rx urb, skb and rx buffer
83 * @param cardp pointer if_usb_card
86 static void if_usb_free(struct if_usb_card *cardp)
88 lbs_deb_enter(LBS_DEB_USB);
90 /* Unlink tx & rx urb */
91 usb_kill_urb(cardp->tx_urb);
92 usb_kill_urb(cardp->rx_urb);
94 usb_free_urb(cardp->tx_urb);
97 usb_free_urb(cardp->rx_urb);
100 kfree(cardp->ep_out_buf);
101 cardp->ep_out_buf = NULL;
103 lbs_deb_leave(LBS_DEB_USB);
106 static void if_usb_setup_firmware(struct lbs_private *priv)
108 struct if_usb_card *cardp = priv->card;
109 struct cmd_ds_set_boot2_ver b2_cmd;
110 struct cmd_ds_802_11_fw_wake_method wake_method;
112 b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd));
114 b2_cmd.version = cardp->boot2_version;
116 if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd))
117 lbs_deb_usb("Setting boot2 version failed\n");
119 priv->wol_gpio = 2; /* Wake via GPIO2... */
120 priv->wol_gap = 20; /* ... after 20ms */
121 lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA);
123 wake_method.hdr.size = cpu_to_le16(sizeof(wake_method));
124 wake_method.action = cpu_to_le16(CMD_ACT_GET);
125 if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) {
126 lbs_pr_info("Firmware does not seem to support PS mode\n");
128 if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) {
129 lbs_deb_usb("Firmware seems to support PS with wake-via-command\n");
130 priv->ps_supported = 1;
132 /* The versions which boot up this way don't seem to
133 work even if we set it to the command interrupt */
134 lbs_pr_info("Firmware doesn't wake via command interrupt; disabling PS mode\n");
139 static void if_usb_fw_timeo(unsigned long priv)
141 struct if_usb_card *cardp = (void *)priv;
143 if (cardp->fwdnldover) {
144 lbs_deb_usb("Download complete, no event. Assuming success\n");
146 lbs_pr_err("Download timed out\n");
147 cardp->surprise_removed = 1;
149 wake_up(&cardp->fw_wq);
153 * @brief sets the configuration values
154 * @param ifnum interface number
155 * @param id pointer to usb_device_id
156 * @return 0 on success, error code on failure
158 static int if_usb_probe(struct usb_interface *intf,
159 const struct usb_device_id *id)
161 struct usb_device *udev;
162 struct usb_host_interface *iface_desc;
163 struct usb_endpoint_descriptor *endpoint;
164 struct lbs_private *priv;
165 struct if_usb_card *cardp;
168 udev = interface_to_usbdev(intf);
170 cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL);
172 lbs_pr_err("Out of memory allocating private data.\n");
176 setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp);
177 init_waitqueue_head(&cardp->fw_wq);
180 iface_desc = intf->cur_altsetting;
182 lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X"
183 " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n",
184 le16_to_cpu(udev->descriptor.bcdUSB),
185 udev->descriptor.bDeviceClass,
186 udev->descriptor.bDeviceSubClass,
187 udev->descriptor.bDeviceProtocol);
189 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
190 endpoint = &iface_desc->endpoint[i].desc;
191 if (usb_endpoint_is_bulk_in(endpoint)) {
192 cardp->ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize);
193 cardp->ep_in = usb_endpoint_num(endpoint);
195 lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in);
196 lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size);
198 } else if (usb_endpoint_is_bulk_out(endpoint)) {
199 cardp->ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize);
200 cardp->ep_out = usb_endpoint_num(endpoint);
202 lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out);
203 lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size);
206 if (!cardp->ep_out_size || !cardp->ep_in_size) {
207 lbs_deb_usbd(&udev->dev, "Endpoints not found\n");
210 if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) {
211 lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n");
214 if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) {
215 lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n");
218 cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL);
219 if (!cardp->ep_out_buf) {
220 lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n");
224 /* Upload firmware */
225 if (if_usb_prog_firmware(cardp)) {
226 lbs_deb_usbd(&udev->dev, "FW upload failed\n");
227 goto err_prog_firmware;
230 if (!(priv = lbs_add_card(cardp, &udev->dev)))
231 goto err_prog_firmware;
234 cardp->priv->fw_ready = 1;
236 priv->hw_host_to_card = if_usb_host_to_card;
237 cardp->boot2_version = udev->descriptor.bcdDevice;
239 if_usb_submit_rx_urb(cardp);
241 if (lbs_start_card(priv))
244 if_usb_setup_firmware(priv);
247 usb_set_intfdata(intf, cardp);
252 lbs_remove_card(priv);
254 if_usb_reset_device(cardp);
263 * @brief free resource and cleanup
264 * @param intf USB interface structure
267 static void if_usb_disconnect(struct usb_interface *intf)
269 struct if_usb_card *cardp = usb_get_intfdata(intf);
270 struct lbs_private *priv = (struct lbs_private *) cardp->priv;
272 lbs_deb_enter(LBS_DEB_MAIN);
274 cardp->surprise_removed = 1;
277 priv->surpriseremoved = 1;
279 lbs_remove_card(priv);
282 /* Unlink and free urb */
285 usb_set_intfdata(intf, NULL);
286 usb_put_dev(interface_to_usbdev(intf));
288 lbs_deb_leave(LBS_DEB_MAIN);
292 * @brief This function download FW
293 * @param priv pointer to struct lbs_private
296 static int if_usb_send_fw_pkt(struct if_usb_card *cardp)
298 struct fwdata *fwdata = cardp->ep_out_buf;
299 uint8_t *firmware = cardp->fw->data;
301 /* If we got a CRC failure on the last block, back
303 if (!cardp->CRC_OK) {
304 cardp->totalbytes = cardp->fwlastblksent;
308 lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n",
311 /* struct fwdata (which we sent to the card) has an
312 extra __le32 field in between the header and the data,
313 which is not in the struct fwheader in the actual
314 firmware binary. Insert the seqnum in the middle... */
315 memcpy(&fwdata->hdr, &firmware[cardp->totalbytes],
316 sizeof(struct fwheader));
318 cardp->fwlastblksent = cardp->totalbytes;
319 cardp->totalbytes += sizeof(struct fwheader);
321 memcpy(fwdata->data, &firmware[cardp->totalbytes],
322 le32_to_cpu(fwdata->hdr.datalength));
324 lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n",
325 le32_to_cpu(fwdata->hdr.datalength));
327 fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum);
328 cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength);
330 usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) +
331 le32_to_cpu(fwdata->hdr.datalength));
333 if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) {
334 lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n");
335 lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n",
336 cardp->fwseqnum, cardp->totalbytes);
337 } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) {
338 lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n");
339 lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n");
341 cardp->fwfinalblk = 1;
344 lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n",
350 static int if_usb_reset_device(struct if_usb_card *cardp)
352 struct cmd_ds_command *cmd = cardp->ep_out_buf + 4;
355 lbs_deb_enter(LBS_DEB_USB);
357 *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST);
359 cmd->command = cpu_to_le16(CMD_802_11_RESET);
360 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
361 cmd->result = cpu_to_le16(0);
362 cmd->seqnum = cpu_to_le16(0x5a5a);
363 cmd->params.reset.action = cpu_to_le16(CMD_ACT_HALT);
364 usb_tx_block(cardp, cardp->ep_out_buf, 4 + S_DS_GEN + sizeof(struct cmd_ds_802_11_reset));
367 ret = usb_reset_device(cardp->udev);
371 if (ret && machine_is_olpc()) {
372 printk(KERN_CRIT "Resetting OLPC wireless via EC...\n");
373 olpc_ec_cmd(0x25, NULL, 0, NULL, 0);
377 lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
383 * @brief This function transfer the data to the device.
384 * @param priv pointer to struct lbs_private
385 * @param payload pointer to payload data
386 * @param nb data length
389 static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb)
393 /* check if device is removed */
394 if (cardp->surprise_removed) {
395 lbs_deb_usbd(&cardp->udev->dev, "Device removed\n");
399 usb_fill_bulk_urb(cardp->tx_urb, cardp->udev,
400 usb_sndbulkpipe(cardp->udev,
402 payload, nb, if_usb_write_bulk_callback, cardp);
404 cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET;
406 if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) {
407 lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret);
410 lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n");
418 static int __if_usb_submit_rx_urb(struct if_usb_card *cardp,
419 void (*callbackfn)(struct urb *urb))
424 if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) {
425 lbs_pr_err("No free skb\n");
431 /* Fill the receive configuration URB and initialise the Rx call back */
432 usb_fill_bulk_urb(cardp->rx_urb, cardp->udev,
433 usb_rcvbulkpipe(cardp->udev, cardp->ep_in),
434 (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET),
435 MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn,
438 cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET;
440 lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb);
441 if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) {
442 lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret);
444 cardp->rx_skb = NULL;
447 lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n");
455 static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp)
457 return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload);
460 static int if_usb_submit_rx_urb(struct if_usb_card *cardp)
462 return __if_usb_submit_rx_urb(cardp, &if_usb_receive);
465 static void if_usb_receive_fwload(struct urb *urb)
467 struct if_usb_card *cardp = urb->context;
468 struct sk_buff *skb = cardp->rx_skb;
469 struct fwsyncheader *syncfwheader;
470 struct bootcmdresp bootcmdresp;
473 lbs_deb_usbd(&cardp->udev->dev,
474 "URB status is failed during fw load\n");
479 if (cardp->fwdnldover) {
480 __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET);
482 if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) &&
483 tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) {
484 lbs_pr_info("Firmware ready event received\n");
485 wake_up(&cardp->fw_wq);
487 lbs_deb_usb("Waiting for confirmation; got %x %x\n",
488 le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1]));
489 if_usb_submit_rx_urb_fwload(cardp);
494 if (cardp->bootcmdresp <= 0) {
495 memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET,
496 sizeof(bootcmdresp));
498 if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) {
500 if_usb_submit_rx_urb_fwload(cardp);
501 cardp->bootcmdresp = 1;
502 lbs_deb_usbd(&cardp->udev->dev,
503 "Received valid boot command response\n");
506 if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) {
507 if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) ||
508 bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) ||
509 bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) {
510 if (!cardp->bootcmdresp)
511 lbs_pr_info("Firmware already seems alive; resetting\n");
512 cardp->bootcmdresp = -1;
514 lbs_pr_info("boot cmd response wrong magic number (0x%x)\n",
515 le32_to_cpu(bootcmdresp.magic));
517 } else if (bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) {
518 lbs_pr_info("boot cmd response cmd_tag error (%d)\n",
520 } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) {
521 lbs_pr_info("boot cmd response result error (%d)\n",
524 cardp->bootcmdresp = 1;
525 lbs_deb_usbd(&cardp->udev->dev,
526 "Received valid boot command response\n");
529 if_usb_submit_rx_urb_fwload(cardp);
533 syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC);
535 lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n");
540 memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET,
541 sizeof(struct fwsyncheader));
543 if (!syncfwheader->cmd) {
544 lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n");
545 lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n",
546 le32_to_cpu(syncfwheader->seqnum));
549 lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n");
555 /* reschedule timer for 200ms hence */
556 mod_timer(&cardp->fw_timeout, jiffies + (HZ/5));
558 if (cardp->fwfinalblk) {
559 cardp->fwdnldover = 1;
563 if_usb_send_fw_pkt(cardp);
566 if_usb_submit_rx_urb_fwload(cardp);
573 #define MRVDRV_MIN_PKT_LEN 30
575 static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb,
576 struct if_usb_card *cardp,
577 struct lbs_private *priv)
579 if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN
580 || recvlength < MRVDRV_MIN_PKT_LEN) {
581 lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n");
586 skb_reserve(skb, IPFIELD_ALIGN_OFFSET);
587 skb_put(skb, recvlength);
588 skb_pull(skb, MESSAGE_HEADER_LEN);
590 lbs_process_rxed_packet(priv, skb);
593 static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
595 struct if_usb_card *cardp,
596 struct lbs_private *priv)
600 if (recvlength > LBS_CMD_BUFFER_SIZE) {
601 lbs_deb_usbd(&cardp->udev->dev,
602 "The receive buffer is too large\n");
610 spin_lock(&priv->driver_lock);
612 i = (priv->resp_idx == 0) ? 1 : 0;
613 BUG_ON(priv->resp_len[i]);
614 priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN);
615 memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN,
618 lbs_notify_command_response(priv, i);
620 spin_unlock(&priv->driver_lock);
622 lbs_deb_usbd(&cardp->udev->dev,
623 "Wake up main thread to handle cmd response\n");
627 * @brief This function reads of the packet into the upload buff,
628 * wake up the main thread and initialise the Rx callack.
630 * @param urb pointer to struct urb
633 static void if_usb_receive(struct urb *urb)
635 struct if_usb_card *cardp = urb->context;
636 struct sk_buff *skb = cardp->rx_skb;
637 struct lbs_private *priv = cardp->priv;
638 int recvlength = urb->actual_length;
639 uint8_t *recvbuff = NULL;
640 uint32_t recvtype = 0;
641 __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET);
644 lbs_deb_enter(LBS_DEB_USB);
648 lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n",
654 recvbuff = skb->data + IPFIELD_ALIGN_OFFSET;
655 recvtype = le32_to_cpu(pkt[0]);
656 lbs_deb_usbd(&cardp->udev->dev,
657 "Recv length = 0x%x, Recv type = 0x%X\n",
658 recvlength, recvtype);
659 } else if (urb->status) {
666 process_cmdtypedata(recvlength, skb, cardp, priv);
669 case CMD_TYPE_REQUEST:
670 process_cmdrequest(recvlength, recvbuff, skb, cardp, priv);
673 case CMD_TYPE_INDICATION:
675 event = le32_to_cpu(pkt[1]);
676 lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event);
679 /* Icky undocumented magic special case */
680 if (event & 0xffff0000) {
681 u32 trycount = (event & 0xffff0000) >> 16;
683 lbs_send_tx_feedback(priv, trycount);
685 lbs_queue_event(priv, event & 0xFF);
689 lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n",
696 if_usb_submit_rx_urb(cardp);
698 lbs_deb_leave(LBS_DEB_USB);
702 * @brief This function downloads data to FW
703 * @param priv pointer to struct lbs_private structure
704 * @param type type of data
705 * @param buf pointer to data buffer
706 * @param len number of bytes
709 static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
710 uint8_t *payload, uint16_t nb)
712 struct if_usb_card *cardp = priv->card;
714 lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type);
715 lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb);
717 if (type == MVMS_CMD) {
718 *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST);
719 priv->dnld_sent = DNLD_CMD_SENT;
721 *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA);
722 priv->dnld_sent = DNLD_DATA_SENT;
725 memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb);
727 return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN);
731 * @brief This function issues Boot command to the Boot2 code
732 * @param ivalue 1:Boot from FW by USB-Download
733 * 2:Boot from FW in EEPROM
736 static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue)
738 struct bootcmd *bootcmd = cardp->ep_out_buf;
740 /* Prepare command */
741 bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER);
742 bootcmd->cmd = ivalue;
743 memset(bootcmd->pad, 0, sizeof(bootcmd->pad));
746 usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd));
753 * @brief This function checks the validity of Boot2/FW image.
755 * @param data pointer to image
759 static int check_fwfile_format(uint8_t *data, uint32_t totlen)
761 uint32_t bincmd, exit;
762 uint32_t blksize, offset, len;
769 struct fwheader *fwh = (void *)data;
771 bincmd = le32_to_cpu(fwh->dnldcmd);
772 blksize = le32_to_cpu(fwh->datalength);
774 case FW_HAS_DATA_TO_RECV:
775 offset = sizeof(struct fwheader) + blksize;
781 case FW_HAS_LAST_BLOCK:
792 lbs_pr_err("firmware file format check FAIL\n");
794 lbs_deb_fw("firmware file format check PASS\n");
800 static int if_usb_prog_firmware(struct if_usb_card *cardp)
803 static int reset_count = 10;
806 lbs_deb_enter(LBS_DEB_USB);
808 if ((ret = request_firmware(&cardp->fw, lbs_fw_name,
809 &cardp->udev->dev)) < 0) {
810 lbs_pr_err("request_firmware() failed with %#x\n", ret);
811 lbs_pr_err("firmware %s not found\n", lbs_fw_name);
815 if (check_fwfile_format(cardp->fw->data, cardp->fw->size))
819 if (if_usb_submit_rx_urb_fwload(cardp) < 0) {
820 lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n");
825 cardp->bootcmdresp = 0;
829 /* Issue Boot command = 1, Boot from Download-FW */
830 if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB);
831 /* wait for command response */
834 msleep_interruptible(100);
835 } while (cardp->bootcmdresp == 0 && j < 10);
836 } while (cardp->bootcmdresp == 0 && i < 5);
838 if (cardp->bootcmdresp <= 0) {
839 if (--reset_count >= 0) {
840 if_usb_reset_device(cardp);
848 cardp->totalbytes = 0;
849 cardp->fwlastblksent = 0;
851 cardp->fwdnldover = 0;
852 cardp->fwseqnum = -1;
853 cardp->totalbytes = 0;
854 cardp->fwfinalblk = 0;
856 /* Send the first firmware packet... */
857 if_usb_send_fw_pkt(cardp);
859 /* ... and wait for the process to complete */
860 wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover);
862 del_timer_sync(&cardp->fw_timeout);
863 usb_kill_urb(cardp->rx_urb);
865 if (!cardp->fwdnldover) {
866 lbs_pr_info("failed to load fw, resetting device!\n");
867 if (--reset_count >= 0) {
868 if_usb_reset_device(cardp);
872 lbs_pr_info("FW download failure, time = %d ms\n", i * 100);
878 release_firmware(cardp->fw);
882 lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
888 static int if_usb_suspend(struct usb_interface *intf, pm_message_t message)
890 struct if_usb_card *cardp = usb_get_intfdata(intf);
891 struct lbs_private *priv = cardp->priv;
894 lbs_deb_enter(LBS_DEB_USB);
896 if (priv->psstate != PS_STATE_FULL_POWER)
899 ret = lbs_suspend(priv);
903 /* Unlink tx & rx urb */
904 usb_kill_urb(cardp->tx_urb);
905 usb_kill_urb(cardp->rx_urb);
908 lbs_deb_leave(LBS_DEB_USB);
912 static int if_usb_resume(struct usb_interface *intf)
914 struct if_usb_card *cardp = usb_get_intfdata(intf);
915 struct lbs_private *priv = cardp->priv;
917 lbs_deb_enter(LBS_DEB_USB);
919 if_usb_submit_rx_urb(cardp);
923 lbs_deb_leave(LBS_DEB_USB);
927 #define if_usb_suspend NULL
928 #define if_usb_resume NULL
931 static struct usb_driver if_usb_driver = {
933 .probe = if_usb_probe,
934 .disconnect = if_usb_disconnect,
935 .id_table = if_usb_table,
936 .suspend = if_usb_suspend,
937 .resume = if_usb_resume,
938 .reset_resume = if_usb_resume,
941 static int __init if_usb_init_module(void)
945 lbs_deb_enter(LBS_DEB_MAIN);
947 ret = usb_register(&if_usb_driver);
949 lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
953 static void __exit if_usb_exit_module(void)
955 lbs_deb_enter(LBS_DEB_MAIN);
957 usb_deregister(&if_usb_driver);
959 lbs_deb_leave(LBS_DEB_MAIN);
962 module_init(if_usb_init_module);
963 module_exit(if_usb_exit_module);
965 MODULE_DESCRIPTION("8388 USB WLAN Driver");
966 MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc.");
967 MODULE_LICENSE("GPL");