2 * Copyright (C) 2008, cozybit Inc.
3 * Copyright (C) 2003-2006, Marvell International Ltd.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or (at
8 * your option) any later version.
10 #define DRV_NAME "lbtf_usb"
12 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
14 #include "libertas_tf.h"
17 #include <linux/delay.h>
18 #include <linux/module.h>
19 #include <linux/firmware.h>
20 #include <linux/netdevice.h>
21 #include <linux/slab.h>
22 #include <linux/usb.h>
25 #define lbtf_deb_usb2(...) do { if (INSANEDEBUG) lbtf_deb_usbd(__VA_ARGS__); } while (0)
27 #define MESSAGE_HEADER_LEN 4
29 static char *lbtf_fw_name = "lbtf_usb.bin";
30 module_param_named(fw_name, lbtf_fw_name, charp, 0644);
32 MODULE_FIRMWARE("lbtf_usb.bin");
34 static const struct usb_device_id if_usb_table[] = {
35 /* Enter the device signature inside */
36 { USB_DEVICE(0x1286, 0x2001) },
37 { USB_DEVICE(0x05a3, 0x8388) },
38 {} /* Terminating entry */
41 MODULE_DEVICE_TABLE(usb, if_usb_table);
43 static void if_usb_receive(struct urb *urb);
44 static void if_usb_receive_fwload(struct urb *urb);
45 static int if_usb_prog_firmware(struct if_usb_card *cardp);
46 static int if_usb_host_to_card(struct lbtf_private *priv, uint8_t type,
47 uint8_t *payload, uint16_t nb);
48 static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload,
49 uint16_t nb, u8 data);
50 static void if_usb_free(struct if_usb_card *cardp);
51 static int if_usb_submit_rx_urb(struct if_usb_card *cardp);
52 static int if_usb_reset_device(struct if_usb_card *cardp);
55 * if_usb_wrike_bulk_callback - call back to handle URB status
57 * @param urb pointer to urb structure
59 static void if_usb_write_bulk_callback(struct urb *urb)
61 if (urb->status != 0) {
62 /* print the failure status number for debug */
63 pr_info("URB in failure status: %d\n", urb->status);
65 lbtf_deb_usb2(&urb->dev->dev, "URB status is successful\n");
66 lbtf_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n",
72 * if_usb_free - free tx/rx urb, skb and rx buffer
74 * @param cardp pointer if_usb_card
76 static void if_usb_free(struct if_usb_card *cardp)
78 lbtf_deb_enter(LBTF_DEB_USB);
80 /* Unlink tx & rx urb */
81 usb_kill_urb(cardp->tx_urb);
82 usb_kill_urb(cardp->rx_urb);
83 usb_kill_urb(cardp->cmd_urb);
85 usb_free_urb(cardp->tx_urb);
88 usb_free_urb(cardp->rx_urb);
91 usb_free_urb(cardp->cmd_urb);
92 cardp->cmd_urb = NULL;
94 kfree(cardp->ep_out_buf);
95 cardp->ep_out_buf = NULL;
97 lbtf_deb_leave(LBTF_DEB_USB);
100 static void if_usb_setup_firmware(struct lbtf_private *priv)
102 struct if_usb_card *cardp = priv->card;
103 struct cmd_ds_set_boot2_ver b2_cmd;
105 lbtf_deb_enter(LBTF_DEB_USB);
107 if_usb_submit_rx_urb(cardp);
108 b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd));
110 b2_cmd.version = cardp->boot2_version;
112 if (lbtf_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd))
113 lbtf_deb_usb("Setting boot2 version failed\n");
115 lbtf_deb_leave(LBTF_DEB_USB);
118 static void if_usb_fw_timeo(struct timer_list *t)
120 struct if_usb_card *cardp = from_timer(cardp, t, fw_timeout);
122 lbtf_deb_enter(LBTF_DEB_USB);
123 if (!cardp->fwdnldover) {
124 /* Download timed out */
125 cardp->priv->surpriseremoved = 1;
126 pr_err("Download timed out\n");
128 lbtf_deb_usb("Download complete, no event. Assuming success\n");
130 wake_up(&cardp->fw_wq);
131 lbtf_deb_leave(LBTF_DEB_USB);
135 * if_usb_probe - sets the configuration values
137 * @ifnum interface number
138 * @id pointer to usb_device_id
140 * Returns: 0 on success, error code on failure
142 static int if_usb_probe(struct usb_interface *intf,
143 const struct usb_device_id *id)
145 struct usb_device *udev;
146 struct usb_host_interface *iface_desc;
147 struct usb_endpoint_descriptor *endpoint;
148 struct lbtf_private *priv;
149 struct if_usb_card *cardp;
152 lbtf_deb_enter(LBTF_DEB_USB);
153 udev = interface_to_usbdev(intf);
155 cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL);
159 timer_setup(&cardp->fw_timeout, if_usb_fw_timeo, 0);
160 init_waitqueue_head(&cardp->fw_wq);
163 iface_desc = intf->cur_altsetting;
165 lbtf_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X"
166 " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n",
167 le16_to_cpu(udev->descriptor.bcdUSB),
168 udev->descriptor.bDeviceClass,
169 udev->descriptor.bDeviceSubClass,
170 udev->descriptor.bDeviceProtocol);
172 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
173 endpoint = &iface_desc->endpoint[i].desc;
174 if (usb_endpoint_is_bulk_in(endpoint)) {
176 le16_to_cpu(endpoint->wMaxPacketSize);
177 cardp->ep_in = usb_endpoint_num(endpoint);
179 lbtf_deb_usbd(&udev->dev, "in_endpoint = %d\n",
181 lbtf_deb_usbd(&udev->dev, "Bulk in size is %d\n",
183 } else if (usb_endpoint_is_bulk_out(endpoint)) {
185 le16_to_cpu(endpoint->wMaxPacketSize);
186 cardp->ep_out = usb_endpoint_num(endpoint);
188 lbtf_deb_usbd(&udev->dev, "out_endpoint = %d\n",
190 lbtf_deb_usbd(&udev->dev, "Bulk out size is %d\n",
194 if (!cardp->ep_out_size || !cardp->ep_in_size) {
195 lbtf_deb_usbd(&udev->dev, "Endpoints not found\n");
196 /* Endpoints not found */
200 cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
204 cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
208 cardp->cmd_urb = usb_alloc_urb(0, GFP_KERNEL);
212 cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE,
214 if (!cardp->ep_out_buf) {
215 lbtf_deb_usbd(&udev->dev, "Could not allocate buffer\n");
219 priv = lbtf_add_card(cardp, &udev->dev);
225 priv->hw_host_to_card = if_usb_host_to_card;
226 priv->hw_prog_firmware = if_usb_prog_firmware;
227 priv->hw_reset_device = if_usb_reset_device;
228 cardp->boot2_version = udev->descriptor.bcdDevice;
231 usb_set_intfdata(intf, cardp);
238 lbtf_deb_leave(LBTF_DEB_MAIN);
243 * if_usb_disconnect - free resource and cleanup
245 * @intf USB interface structure
247 static void if_usb_disconnect(struct usb_interface *intf)
249 struct if_usb_card *cardp = usb_get_intfdata(intf);
250 struct lbtf_private *priv = cardp->priv;
252 lbtf_deb_enter(LBTF_DEB_MAIN);
254 if_usb_reset_device(cardp);
257 lbtf_remove_card(priv);
259 /* Unlink and free urb */
262 usb_set_intfdata(intf, NULL);
263 usb_put_dev(interface_to_usbdev(intf));
265 lbtf_deb_leave(LBTF_DEB_MAIN);
269 * if_usb_send_fw_pkt - This function downloads the FW
271 * @priv pointer to struct lbtf_private
275 static int if_usb_send_fw_pkt(struct if_usb_card *cardp)
277 struct fwdata *fwdata = cardp->ep_out_buf;
278 u8 *firmware = (u8 *) cardp->fw->data;
280 lbtf_deb_enter(LBTF_DEB_FW);
282 /* If we got a CRC failure on the last block, back
284 if (!cardp->CRC_OK) {
285 cardp->totalbytes = cardp->fwlastblksent;
289 lbtf_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n",
292 /* struct fwdata (which we sent to the card) has an
293 extra __le32 field in between the header and the data,
294 which is not in the struct fwheader in the actual
295 firmware binary. Insert the seqnum in the middle... */
296 memcpy(&fwdata->hdr, &firmware[cardp->totalbytes],
297 sizeof(struct fwheader));
299 cardp->fwlastblksent = cardp->totalbytes;
300 cardp->totalbytes += sizeof(struct fwheader);
302 memcpy(fwdata->data, &firmware[cardp->totalbytes],
303 le32_to_cpu(fwdata->hdr.datalength));
305 lbtf_deb_usb2(&cardp->udev->dev, "Data length = %d\n",
306 le32_to_cpu(fwdata->hdr.datalength));
308 fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum);
309 cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength);
311 usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) +
312 le32_to_cpu(fwdata->hdr.datalength), 0);
314 if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) {
315 lbtf_deb_usb2(&cardp->udev->dev, "There are data to follow\n");
316 lbtf_deb_usb2(&cardp->udev->dev,
317 "seqnum = %d totalbytes = %d\n",
318 cardp->fwseqnum, cardp->totalbytes);
319 } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) {
320 lbtf_deb_usb2(&cardp->udev->dev,
321 "Host has finished FW downloading\n");
322 lbtf_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n");
324 /* Host has finished FW downloading
325 * Donwloading FW JUMP BLOCK
327 cardp->fwfinalblk = 1;
330 lbtf_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n",
333 lbtf_deb_leave(LBTF_DEB_FW);
337 static int if_usb_reset_device(struct if_usb_card *cardp)
339 struct cmd_ds_802_11_reset *cmd = cardp->ep_out_buf + 4;
342 lbtf_deb_enter(LBTF_DEB_USB);
344 *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST);
346 cmd->hdr.command = cpu_to_le16(CMD_802_11_RESET);
347 cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset));
348 cmd->hdr.result = cpu_to_le16(0);
349 cmd->hdr.seqnum = cpu_to_le16(0x5a5a);
350 cmd->action = cpu_to_le16(CMD_ACT_HALT);
351 usb_tx_block(cardp, cardp->ep_out_buf,
352 4 + sizeof(struct cmd_ds_802_11_reset), 0);
355 ret = usb_reset_device(cardp->udev);
358 lbtf_deb_leave_args(LBTF_DEB_USB, "ret %d", ret);
364 * usb_tx_block - transfer data to the device
366 * @priv pointer to struct lbtf_private
367 * @payload pointer to payload data
369 * @data non-zero for data, zero for commands
371 * Returns: 0 on success, nonzero otherwise.
373 static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload,
374 uint16_t nb, u8 data)
379 lbtf_deb_enter(LBTF_DEB_USB);
380 /* check if device is removed */
381 if (cardp->priv->surpriseremoved) {
382 lbtf_deb_usbd(&cardp->udev->dev, "Device removed\n");
389 urb = cardp->cmd_urb;
391 usb_fill_bulk_urb(urb, cardp->udev,
392 usb_sndbulkpipe(cardp->udev,
394 payload, nb, if_usb_write_bulk_callback, cardp);
396 urb->transfer_flags |= URB_ZERO_PACKET;
398 if (usb_submit_urb(urb, GFP_ATOMIC)) {
399 lbtf_deb_usbd(&cardp->udev->dev,
400 "usb_submit_urb failed: %d\n", ret);
404 lbtf_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n");
409 lbtf_deb_leave(LBTF_DEB_USB);
413 static int __if_usb_submit_rx_urb(struct if_usb_card *cardp,
414 void (*callbackfn)(struct urb *urb))
419 lbtf_deb_enter(LBTF_DEB_USB);
421 skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE);
423 pr_err("No free skb\n");
424 lbtf_deb_leave(LBTF_DEB_USB);
430 /* Fill the receive configuration URB and initialise the Rx call back */
431 usb_fill_bulk_urb(cardp->rx_urb, cardp->udev,
432 usb_rcvbulkpipe(cardp->udev, cardp->ep_in),
433 skb_tail_pointer(skb),
434 MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, cardp);
436 cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET;
438 lbtf_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n",
440 ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC);
442 lbtf_deb_usbd(&cardp->udev->dev,
443 "Submit Rx URB failed: %d\n", ret);
445 cardp->rx_skb = NULL;
446 lbtf_deb_leave(LBTF_DEB_USB);
449 lbtf_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n");
450 lbtf_deb_leave(LBTF_DEB_USB);
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 bcmdresp;
472 lbtf_deb_enter(LBTF_DEB_USB);
474 lbtf_deb_usbd(&cardp->udev->dev,
475 "URB status is failed during fw load\n");
477 lbtf_deb_leave(LBTF_DEB_USB);
481 if (cardp->fwdnldover) {
482 __le32 *tmp = (__le32 *)(skb->data);
484 if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) &&
485 tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) {
486 /* Firmware ready event received */
487 pr_info("Firmware ready event received\n");
488 wake_up(&cardp->fw_wq);
490 lbtf_deb_usb("Waiting for confirmation; got %x %x\n",
491 le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1]));
492 if_usb_submit_rx_urb_fwload(cardp);
495 lbtf_deb_leave(LBTF_DEB_USB);
498 if (cardp->bootcmdresp <= 0) {
499 memcpy(&bcmdresp, skb->data, sizeof(bcmdresp));
501 if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) {
503 if_usb_submit_rx_urb_fwload(cardp);
504 cardp->bootcmdresp = 1;
505 /* Received valid boot command response */
506 lbtf_deb_usbd(&cardp->udev->dev,
507 "Received valid boot command response\n");
508 lbtf_deb_leave(LBTF_DEB_USB);
511 if (bcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) {
512 if (bcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) ||
513 bcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) ||
514 bcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) {
515 if (!cardp->bootcmdresp)
516 pr_info("Firmware already seems alive; resetting\n");
517 cardp->bootcmdresp = -1;
519 pr_info("boot cmd response wrong magic number (0x%x)\n",
520 le32_to_cpu(bcmdresp.magic));
522 } else if (bcmdresp.cmd != BOOT_CMD_FW_BY_USB) {
523 pr_info("boot cmd response cmd_tag error (%d)\n",
525 } else if (bcmdresp.result != BOOT_CMD_RESP_OK) {
526 pr_info("boot cmd response result error (%d)\n",
529 cardp->bootcmdresp = 1;
530 lbtf_deb_usbd(&cardp->udev->dev,
531 "Received valid boot command response\n");
535 if_usb_submit_rx_urb_fwload(cardp);
536 lbtf_deb_leave(LBTF_DEB_USB);
540 syncfwheader = kmemdup(skb->data, sizeof(struct fwsyncheader),
543 lbtf_deb_usbd(&cardp->udev->dev,
544 "Failure to allocate syncfwheader\n");
546 lbtf_deb_leave(LBTF_DEB_USB);
550 if (!syncfwheader->cmd) {
551 lbtf_deb_usb2(&cardp->udev->dev,
552 "FW received Blk with correct CRC\n");
553 lbtf_deb_usb2(&cardp->udev->dev,
554 "FW received Blk seqnum = %d\n",
555 le32_to_cpu(syncfwheader->seqnum));
558 lbtf_deb_usbd(&cardp->udev->dev,
559 "FW received Blk with CRC error\n");
565 /* reschedule timer for 200ms hence */
566 mod_timer(&cardp->fw_timeout, jiffies + (HZ/5));
568 if (cardp->fwfinalblk) {
569 cardp->fwdnldover = 1;
573 if_usb_send_fw_pkt(cardp);
576 if_usb_submit_rx_urb_fwload(cardp);
580 lbtf_deb_leave(LBTF_DEB_USB);
583 #define MRVDRV_MIN_PKT_LEN 30
585 static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb,
586 struct if_usb_card *cardp,
587 struct lbtf_private *priv)
589 if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN
590 || recvlength < MRVDRV_MIN_PKT_LEN) {
591 lbtf_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n");
596 skb_put(skb, recvlength);
597 skb_pull(skb, MESSAGE_HEADER_LEN);
601 static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
603 struct if_usb_card *cardp,
604 struct lbtf_private *priv)
608 if (recvlength < MESSAGE_HEADER_LEN ||
609 recvlength > LBS_CMD_BUFFER_SIZE) {
610 lbtf_deb_usbd(&cardp->udev->dev,
611 "The receive buffer is invalid: %d\n", recvlength);
616 spin_lock_irqsave(&priv->driver_lock, flags);
617 memcpy(priv->cmd_resp_buff, recvbuff + MESSAGE_HEADER_LEN,
618 recvlength - MESSAGE_HEADER_LEN);
620 lbtf_cmd_response_rx(priv);
621 spin_unlock_irqrestore(&priv->driver_lock, flags);
625 * if_usb_receive - read data received from the device.
627 * @urb pointer to struct urb
629 static void if_usb_receive(struct urb *urb)
631 struct if_usb_card *cardp = urb->context;
632 struct sk_buff *skb = cardp->rx_skb;
633 struct lbtf_private *priv = cardp->priv;
634 int recvlength = urb->actual_length;
635 uint8_t *recvbuff = NULL;
636 uint32_t recvtype = 0;
637 __le32 *pkt = (__le32 *) skb->data;
639 lbtf_deb_enter(LBTF_DEB_USB);
643 lbtf_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n",
649 recvbuff = skb->data;
650 recvtype = le32_to_cpu(pkt[0]);
651 lbtf_deb_usbd(&cardp->udev->dev,
652 "Recv length = 0x%x, Recv type = 0x%X\n",
653 recvlength, recvtype);
654 } else if (urb->status) {
656 lbtf_deb_leave(LBTF_DEB_USB);
662 process_cmdtypedata(recvlength, skb, cardp, priv);
665 case CMD_TYPE_REQUEST:
666 process_cmdrequest(recvlength, recvbuff, skb, cardp, priv);
669 case CMD_TYPE_INDICATION:
671 /* Event cause handling */
672 u32 event_cause = le32_to_cpu(pkt[1]);
673 lbtf_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n",
676 /* Icky undocumented magic special case */
677 if (event_cause & 0xffff0000) {
682 tmp = event_cause >> 16;
683 retrycnt = tmp & 0x00ff;
684 failure = (tmp & 0xff00) >> 8;
685 lbtf_send_tx_feedback(priv, retrycnt, failure);
686 } else if (event_cause == LBTF_EVENT_BCN_SENT)
689 lbtf_deb_usbd(&cardp->udev->dev,
690 "Unsupported notification %d received\n",
696 lbtf_deb_usbd(&cardp->udev->dev,
697 "libertastf: unknown command type 0x%X\n", recvtype);
703 if_usb_submit_rx_urb(cardp);
704 lbtf_deb_leave(LBTF_DEB_USB);
708 * if_usb_host_to_card - Download data to the device
710 * @priv pointer to struct lbtf_private structure
712 * @buf pointer to data buffer
713 * @len number of bytes
715 * Returns: 0 on success, nonzero otherwise
717 static int if_usb_host_to_card(struct lbtf_private *priv, uint8_t type,
718 uint8_t *payload, uint16_t nb)
720 struct if_usb_card *cardp = priv->card;
723 lbtf_deb_usbd(&cardp->udev->dev, "*** type = %u\n", type);
724 lbtf_deb_usbd(&cardp->udev->dev, "size after = %d\n", nb);
726 if (type == MVMS_CMD) {
727 *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST);
729 *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA);
733 memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb);
735 return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN,
740 * if_usb_issue_boot_command - Issue boot command to Boot2.
742 * @ivalue 1 boots from FW by USB-Download, 2 boots from FW in EEPROM.
746 static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue)
748 struct bootcmd *bootcmd = cardp->ep_out_buf;
750 /* Prepare command */
751 bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER);
752 bootcmd->cmd = ivalue;
753 memset(bootcmd->pad, 0, sizeof(bootcmd->pad));
756 usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd), 0);
763 * check_fwfile_format - Check the validity of Boot2/FW image.
765 * @data pointer to image
766 * @totlen image length
768 * Returns: 0 if the image is valid, nonzero otherwise.
770 static int check_fwfile_format(const u8 *data, u32 totlen)
773 u32 blksize, offset, len;
780 struct fwheader *fwh = (void *) data;
782 bincmd = le32_to_cpu(fwh->dnldcmd);
783 blksize = le32_to_cpu(fwh->datalength);
785 case FW_HAS_DATA_TO_RECV:
786 offset = sizeof(struct fwheader) + blksize;
792 case FW_HAS_LAST_BLOCK:
803 pr_err("firmware file format check FAIL\n");
805 lbtf_deb_fw("firmware file format check PASS\n");
811 static int if_usb_prog_firmware(struct if_usb_card *cardp)
814 static int reset_count = 10;
817 lbtf_deb_enter(LBTF_DEB_USB);
819 kernel_param_lock(THIS_MODULE);
820 ret = request_firmware(&cardp->fw, lbtf_fw_name, &cardp->udev->dev);
822 pr_err("request_firmware() failed with %#x\n", ret);
823 pr_err("firmware %s not found\n", lbtf_fw_name);
824 kernel_param_unlock(THIS_MODULE);
827 kernel_param_unlock(THIS_MODULE);
829 if (check_fwfile_format(cardp->fw->data, cardp->fw->size))
833 if (if_usb_submit_rx_urb_fwload(cardp) < 0) {
834 lbtf_deb_usbd(&cardp->udev->dev, "URB submission is failed\n");
839 cardp->bootcmdresp = 0;
843 /* Issue Boot command = 1, Boot from Download-FW */
844 if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB);
845 /* wait for command response */
848 msleep_interruptible(100);
849 } while (cardp->bootcmdresp == 0 && j < 10);
850 } while (cardp->bootcmdresp == 0 && i < 5);
852 if (cardp->bootcmdresp <= 0) {
853 if (--reset_count >= 0) {
854 if_usb_reset_device(cardp);
862 cardp->totalbytes = 0;
863 cardp->fwlastblksent = 0;
865 cardp->fwdnldover = 0;
866 cardp->fwseqnum = -1;
867 cardp->totalbytes = 0;
868 cardp->fwfinalblk = 0;
870 /* Send the first firmware packet... */
871 if_usb_send_fw_pkt(cardp);
873 /* ... and wait for the process to complete */
874 wait_event_interruptible(cardp->fw_wq, cardp->priv->surpriseremoved ||
877 del_timer_sync(&cardp->fw_timeout);
878 usb_kill_urb(cardp->rx_urb);
880 if (!cardp->fwdnldover) {
881 pr_info("failed to load fw, resetting device!\n");
882 if (--reset_count >= 0) {
883 if_usb_reset_device(cardp);
887 pr_info("FW download failure, time = %d ms\n", i * 100);
892 cardp->priv->fw_ready = 1;
895 release_firmware(cardp->fw);
898 if_usb_setup_firmware(cardp->priv);
901 lbtf_deb_leave_args(LBTF_DEB_USB, "ret %d", ret);
906 #define if_usb_suspend NULL
907 #define if_usb_resume NULL
909 static struct usb_driver if_usb_driver = {
911 .probe = if_usb_probe,
912 .disconnect = if_usb_disconnect,
913 .id_table = if_usb_table,
914 .suspend = if_usb_suspend,
915 .resume = if_usb_resume,
916 .disable_hub_initiated_lpm = 1,
919 module_usb_driver(if_usb_driver);
921 MODULE_DESCRIPTION("8388 USB WLAN Thinfirm Driver");
922 MODULE_AUTHOR("Cozybit Inc.");
923 MODULE_LICENSE("GPL");