2 * This file contains functions used in USB interface module.
5 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
7 #include <linux/delay.h>
8 #include <linux/module.h>
9 #include <linux/firmware.h>
10 #include <linux/netdevice.h>
11 #include <linux/slab.h>
12 #include <linux/usb.h>
18 #define DRV_NAME "usb8xxx"
28 #define lbs_deb_usb2(...) do { if (INSANEDEBUG) lbs_deb_usbd(__VA_ARGS__); } while (0)
30 #define MESSAGE_HEADER_LEN 4
32 MODULE_FIRMWARE("libertas/usb8388_v9.bin");
33 MODULE_FIRMWARE("libertas/usb8388_v5.bin");
34 MODULE_FIRMWARE("libertas/usb8388.bin");
35 MODULE_FIRMWARE("libertas/usb8682.bin");
36 MODULE_FIRMWARE("usb8388.bin");
44 /* table of firmware file names */
45 static const struct lbs_fw_table fw_table[] = {
46 { MODEL_8388, "libertas/usb8388_olpc.bin", NULL },
47 { MODEL_8388, "libertas/usb8388_v9.bin", NULL },
48 { MODEL_8388, "libertas/usb8388_v5.bin", NULL },
49 { MODEL_8388, "libertas/usb8388.bin", NULL },
50 { MODEL_8388, "usb8388.bin", NULL },
51 { MODEL_8682, "libertas/usb8682.bin", NULL }
54 static struct usb_device_id if_usb_table[] = {
55 /* Enter the device signature inside */
56 { USB_DEVICE(0x1286, 0x2001), .driver_info = MODEL_8388 },
57 { USB_DEVICE(0x05a3, 0x8388), .driver_info = MODEL_8388 },
58 {} /* Terminating entry */
61 MODULE_DEVICE_TABLE(usb, if_usb_table);
63 static void if_usb_receive(struct urb *urb);
64 static void if_usb_receive_fwload(struct urb *urb);
65 static void if_usb_prog_firmware(struct lbs_private *priv, int ret,
66 const struct firmware *fw,
67 const struct firmware *unused);
68 static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
69 uint8_t *payload, uint16_t nb);
70 static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload,
72 static void if_usb_free(struct if_usb_card *cardp);
73 static int if_usb_submit_rx_urb(struct if_usb_card *cardp);
74 static int if_usb_reset_device(struct if_usb_card *cardp);
77 * if_usb_write_bulk_callback - callback function to handle the status
79 * @urb: pointer to &urb structure
82 static void if_usb_write_bulk_callback(struct urb *urb)
84 struct if_usb_card *cardp = (struct if_usb_card *) urb->context;
86 /* handle the transmission complete validations */
88 if (urb->status == 0) {
89 struct lbs_private *priv = cardp->priv;
91 lbs_deb_usb2(&urb->dev->dev, "URB status is successful\n");
92 lbs_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n",
95 /* Boot commands such as UPDATE_FW and UPDATE_BOOT2 are not
96 * passed up to the lbs level.
98 if (priv && priv->dnld_sent != DNLD_BOOTCMD_SENT)
99 lbs_host_to_card_done(priv);
101 /* print the failure status number for debug */
102 pr_info("URB in failure status: %d\n", urb->status);
107 * if_usb_free - free tx/rx urb, skb and rx buffer
108 * @cardp: pointer to &if_usb_card
111 static void if_usb_free(struct if_usb_card *cardp)
113 lbs_deb_enter(LBS_DEB_USB);
115 /* Unlink tx & rx urb */
116 usb_kill_urb(cardp->tx_urb);
117 usb_kill_urb(cardp->rx_urb);
119 usb_free_urb(cardp->tx_urb);
120 cardp->tx_urb = NULL;
122 usb_free_urb(cardp->rx_urb);
123 cardp->rx_urb = NULL;
125 kfree(cardp->ep_out_buf);
126 cardp->ep_out_buf = NULL;
128 lbs_deb_leave(LBS_DEB_USB);
131 static void if_usb_setup_firmware(struct lbs_private *priv)
133 struct if_usb_card *cardp = priv->card;
134 struct cmd_ds_set_boot2_ver b2_cmd;
135 struct cmd_ds_802_11_fw_wake_method wake_method;
137 b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd));
139 b2_cmd.version = cardp->boot2_version;
141 if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd))
142 lbs_deb_usb("Setting boot2 version failed\n");
144 priv->wol_gpio = 2; /* Wake via GPIO2... */
145 priv->wol_gap = 20; /* ... after 20ms */
146 lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA,
147 (struct wol_config *) NULL);
149 wake_method.hdr.size = cpu_to_le16(sizeof(wake_method));
150 wake_method.action = cpu_to_le16(CMD_ACT_GET);
151 if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) {
152 netdev_info(priv->dev, "Firmware does not seem to support PS mode\n");
153 priv->fwcapinfo &= ~FW_CAPINFO_PS;
155 if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) {
156 lbs_deb_usb("Firmware seems to support PS with wake-via-command\n");
158 /* The versions which boot up this way don't seem to
159 work even if we set it to the command interrupt */
160 priv->fwcapinfo &= ~FW_CAPINFO_PS;
161 netdev_info(priv->dev,
162 "Firmware doesn't wake via command interrupt; disabling PS mode\n");
167 static void if_usb_fw_timeo(unsigned long priv)
169 struct if_usb_card *cardp = (void *)priv;
171 if (cardp->fwdnldover) {
172 lbs_deb_usb("Download complete, no event. Assuming success\n");
174 pr_err("Download timed out\n");
175 cardp->surprise_removed = 1;
177 wake_up(&cardp->fw_wq);
181 static void if_usb_reset_olpc_card(struct lbs_private *priv)
183 printk(KERN_CRIT "Resetting OLPC wireless via EC...\n");
184 olpc_ec_cmd(0x25, NULL, 0, NULL, 0);
189 * if_usb_probe - sets the configuration values
190 * @intf: &usb_interface pointer
191 * @id: pointer to usb_device_id
192 * returns: 0 on success, error code on failure
194 static int if_usb_probe(struct usb_interface *intf,
195 const struct usb_device_id *id)
197 struct usb_device *udev;
198 struct usb_host_interface *iface_desc;
199 struct usb_endpoint_descriptor *endpoint;
200 struct lbs_private *priv;
201 struct if_usb_card *cardp;
205 udev = interface_to_usbdev(intf);
207 cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL);
211 setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp);
212 init_waitqueue_head(&cardp->fw_wq);
215 cardp->model = (uint32_t) id->driver_info;
216 iface_desc = intf->cur_altsetting;
218 lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X"
219 " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n",
220 le16_to_cpu(udev->descriptor.bcdUSB),
221 udev->descriptor.bDeviceClass,
222 udev->descriptor.bDeviceSubClass,
223 udev->descriptor.bDeviceProtocol);
225 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
226 endpoint = &iface_desc->endpoint[i].desc;
227 if (usb_endpoint_is_bulk_in(endpoint)) {
228 cardp->ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize);
229 cardp->ep_in = usb_endpoint_num(endpoint);
231 lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in);
232 lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size);
234 } else if (usb_endpoint_is_bulk_out(endpoint)) {
235 cardp->ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize);
236 cardp->ep_out = usb_endpoint_num(endpoint);
238 lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out);
239 lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size);
242 if (!cardp->ep_out_size || !cardp->ep_in_size) {
243 lbs_deb_usbd(&udev->dev, "Endpoints not found\n");
246 if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) {
247 lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n");
250 if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) {
251 lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n");
254 cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL);
255 if (!cardp->ep_out_buf) {
256 lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n");
260 if (!(priv = lbs_add_card(cardp, &intf->dev)))
265 priv->hw_host_to_card = if_usb_host_to_card;
266 priv->enter_deep_sleep = NULL;
267 priv->exit_deep_sleep = NULL;
268 priv->reset_deep_sleep_wakeup = NULL;
270 if (machine_is_olpc())
271 priv->reset_card = if_usb_reset_olpc_card;
274 cardp->boot2_version = udev->descriptor.bcdDevice;
277 usb_set_intfdata(intf, cardp);
279 r = lbs_get_firmware_async(priv, &udev->dev, cardp->model,
280 fw_table, if_usb_prog_firmware);
287 lbs_remove_card(priv);
289 if_usb_reset_device(cardp);
298 * if_usb_disconnect - free resource and cleanup
299 * @intf: USB interface structure
302 static void if_usb_disconnect(struct usb_interface *intf)
304 struct if_usb_card *cardp = usb_get_intfdata(intf);
305 struct lbs_private *priv = (struct lbs_private *) cardp->priv;
307 lbs_deb_enter(LBS_DEB_MAIN);
309 cardp->surprise_removed = 1;
312 priv->surpriseremoved = 1;
314 lbs_remove_card(priv);
317 /* Unlink and free urb */
320 usb_set_intfdata(intf, NULL);
321 usb_put_dev(interface_to_usbdev(intf));
323 lbs_deb_leave(LBS_DEB_MAIN);
327 * if_usb_send_fw_pkt - download FW
328 * @cardp: pointer to &struct if_usb_card
331 static int if_usb_send_fw_pkt(struct if_usb_card *cardp)
333 struct fwdata *fwdata = cardp->ep_out_buf;
334 const uint8_t *firmware = cardp->fw->data;
336 /* If we got a CRC failure on the last block, back
338 if (!cardp->CRC_OK) {
339 cardp->totalbytes = cardp->fwlastblksent;
343 lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n",
346 /* struct fwdata (which we sent to the card) has an
347 extra __le32 field in between the header and the data,
348 which is not in the struct fwheader in the actual
349 firmware binary. Insert the seqnum in the middle... */
350 memcpy(&fwdata->hdr, &firmware[cardp->totalbytes],
351 sizeof(struct fwheader));
353 cardp->fwlastblksent = cardp->totalbytes;
354 cardp->totalbytes += sizeof(struct fwheader);
356 memcpy(fwdata->data, &firmware[cardp->totalbytes],
357 le32_to_cpu(fwdata->hdr.datalength));
359 lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n",
360 le32_to_cpu(fwdata->hdr.datalength));
362 fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum);
363 cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength);
365 usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) +
366 le32_to_cpu(fwdata->hdr.datalength));
368 if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) {
369 lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n");
370 lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n",
371 cardp->fwseqnum, cardp->totalbytes);
372 } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) {
373 lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n");
374 lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n");
376 cardp->fwfinalblk = 1;
379 lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n",
385 static int if_usb_reset_device(struct if_usb_card *cardp)
387 struct cmd_header *cmd = cardp->ep_out_buf + 4;
390 lbs_deb_enter(LBS_DEB_USB);
392 *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST);
394 cmd->command = cpu_to_le16(CMD_802_11_RESET);
395 cmd->size = cpu_to_le16(sizeof(cmd));
396 cmd->result = cpu_to_le16(0);
397 cmd->seqnum = cpu_to_le16(0x5a5a);
398 usb_tx_block(cardp, cardp->ep_out_buf, 4 + sizeof(struct cmd_header));
401 ret = usb_reset_device(cardp->udev);
405 if (ret && machine_is_olpc())
406 if_usb_reset_olpc_card(NULL);
409 lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
415 * usb_tx_block - transfer the data to the device
416 * @cardp: pointer to &struct if_usb_card
417 * @payload: pointer to payload data
419 * returns: 0 for success or negative error code
421 static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb)
425 /* check if device is removed */
426 if (cardp->surprise_removed) {
427 lbs_deb_usbd(&cardp->udev->dev, "Device removed\n");
432 usb_fill_bulk_urb(cardp->tx_urb, cardp->udev,
433 usb_sndbulkpipe(cardp->udev,
435 payload, nb, if_usb_write_bulk_callback, cardp);
437 cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET;
439 if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) {
440 lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret);
442 lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n");
450 static int __if_usb_submit_rx_urb(struct if_usb_card *cardp,
451 void (*callbackfn)(struct urb *urb))
456 if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) {
457 pr_err("No free skb\n");
463 /* Fill the receive configuration URB and initialise the Rx call back */
464 usb_fill_bulk_urb(cardp->rx_urb, cardp->udev,
465 usb_rcvbulkpipe(cardp->udev, cardp->ep_in),
466 skb->data + IPFIELD_ALIGN_OFFSET,
467 MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn,
470 cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET;
472 lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb);
473 if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) {
474 lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret);
476 cardp->rx_skb = NULL;
479 lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n");
487 static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp)
489 return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload);
492 static int if_usb_submit_rx_urb(struct if_usb_card *cardp)
494 return __if_usb_submit_rx_urb(cardp, &if_usb_receive);
497 static void if_usb_receive_fwload(struct urb *urb)
499 struct if_usb_card *cardp = urb->context;
500 struct sk_buff *skb = cardp->rx_skb;
501 struct fwsyncheader *syncfwheader;
502 struct bootcmdresp bootcmdresp;
505 lbs_deb_usbd(&cardp->udev->dev,
506 "URB status is failed during fw load\n");
511 if (cardp->fwdnldover) {
512 __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET);
514 if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) &&
515 tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) {
516 pr_info("Firmware ready event received\n");
517 wake_up(&cardp->fw_wq);
519 lbs_deb_usb("Waiting for confirmation; got %x %x\n",
520 le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1]));
521 if_usb_submit_rx_urb_fwload(cardp);
526 if (cardp->bootcmdresp <= 0) {
527 memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET,
528 sizeof(bootcmdresp));
530 if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) {
532 if_usb_submit_rx_urb_fwload(cardp);
533 cardp->bootcmdresp = BOOT_CMD_RESP_OK;
534 lbs_deb_usbd(&cardp->udev->dev,
535 "Received valid boot command response\n");
538 if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) {
539 if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) ||
540 bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) ||
541 bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) {
542 if (!cardp->bootcmdresp)
543 pr_info("Firmware already seems alive; resetting\n");
544 cardp->bootcmdresp = -1;
546 pr_info("boot cmd response wrong magic number (0x%x)\n",
547 le32_to_cpu(bootcmdresp.magic));
549 } else if ((bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) &&
550 (bootcmdresp.cmd != BOOT_CMD_UPDATE_FW) &&
551 (bootcmdresp.cmd != BOOT_CMD_UPDATE_BOOT2)) {
552 pr_info("boot cmd response cmd_tag error (%d)\n",
554 } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) {
555 pr_info("boot cmd response result error (%d)\n",
558 cardp->bootcmdresp = 1;
559 lbs_deb_usbd(&cardp->udev->dev,
560 "Received valid boot command response\n");
563 if_usb_submit_rx_urb_fwload(cardp);
567 syncfwheader = kmemdup(skb->data + IPFIELD_ALIGN_OFFSET,
568 sizeof(struct fwsyncheader), GFP_ATOMIC);
570 lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n");
575 if (!syncfwheader->cmd) {
576 lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n");
577 lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n",
578 le32_to_cpu(syncfwheader->seqnum));
581 lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n");
587 /* Give device 5s to either write firmware to its RAM or eeprom */
588 mod_timer(&cardp->fw_timeout, jiffies + (HZ*5));
590 if (cardp->fwfinalblk) {
591 cardp->fwdnldover = 1;
595 if_usb_send_fw_pkt(cardp);
598 if_usb_submit_rx_urb_fwload(cardp);
603 #define MRVDRV_MIN_PKT_LEN 30
605 static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb,
606 struct if_usb_card *cardp,
607 struct lbs_private *priv)
609 if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN
610 || recvlength < MRVDRV_MIN_PKT_LEN) {
611 lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n");
616 skb_reserve(skb, IPFIELD_ALIGN_OFFSET);
617 skb_put(skb, recvlength);
618 skb_pull(skb, MESSAGE_HEADER_LEN);
620 lbs_process_rxed_packet(priv, skb);
623 static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
625 struct if_usb_card *cardp,
626 struct lbs_private *priv)
630 if (recvlength > LBS_CMD_BUFFER_SIZE) {
631 lbs_deb_usbd(&cardp->udev->dev,
632 "The receive buffer is too large\n");
637 BUG_ON(!in_interrupt());
639 spin_lock(&priv->driver_lock);
641 i = (priv->resp_idx == 0) ? 1 : 0;
642 BUG_ON(priv->resp_len[i]);
643 priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN);
644 memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN,
647 lbs_notify_command_response(priv, i);
649 spin_unlock(&priv->driver_lock);
651 lbs_deb_usbd(&cardp->udev->dev,
652 "Wake up main thread to handle cmd response\n");
656 * if_usb_receive - read the packet into the upload buffer,
657 * wake up the main thread and initialise the Rx callack
659 * @urb: pointer to &struct urb
662 static void if_usb_receive(struct urb *urb)
664 struct if_usb_card *cardp = urb->context;
665 struct sk_buff *skb = cardp->rx_skb;
666 struct lbs_private *priv = cardp->priv;
667 int recvlength = urb->actual_length;
668 uint8_t *recvbuff = NULL;
669 uint32_t recvtype = 0;
670 __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET);
673 lbs_deb_enter(LBS_DEB_USB);
677 lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n",
683 recvbuff = skb->data + IPFIELD_ALIGN_OFFSET;
684 recvtype = le32_to_cpu(pkt[0]);
685 lbs_deb_usbd(&cardp->udev->dev,
686 "Recv length = 0x%x, Recv type = 0x%X\n",
687 recvlength, recvtype);
688 } else if (urb->status) {
695 process_cmdtypedata(recvlength, skb, cardp, priv);
698 case CMD_TYPE_REQUEST:
699 process_cmdrequest(recvlength, recvbuff, skb, cardp, priv);
702 case CMD_TYPE_INDICATION:
704 event = le32_to_cpu(pkt[1]);
705 lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event);
708 /* Icky undocumented magic special case */
709 if (event & 0xffff0000) {
710 u32 trycount = (event & 0xffff0000) >> 16;
712 lbs_send_tx_feedback(priv, trycount);
714 lbs_queue_event(priv, event & 0xFF);
718 lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n",
725 if_usb_submit_rx_urb(cardp);
727 lbs_deb_leave(LBS_DEB_USB);
731 * if_usb_host_to_card - downloads data to FW
732 * @priv: pointer to &struct lbs_private structure
733 * @type: type of data
734 * @payload: pointer to data buffer
735 * @nb: number of bytes
736 * returns: 0 for success or negative error code
738 static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
739 uint8_t *payload, uint16_t nb)
741 struct if_usb_card *cardp = priv->card;
743 lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type);
744 lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb);
746 if (type == MVMS_CMD) {
747 *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST);
748 priv->dnld_sent = DNLD_CMD_SENT;
750 *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA);
751 priv->dnld_sent = DNLD_DATA_SENT;
754 memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb);
756 return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN);
760 * if_usb_issue_boot_command - issues Boot command to the Boot2 code
761 * @cardp: pointer to &if_usb_card
762 * @ivalue: 1:Boot from FW by USB-Download
763 * 2:Boot from FW in EEPROM
764 * returns: 0 for success or negative error code
766 static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue)
768 struct bootcmd *bootcmd = cardp->ep_out_buf;
770 /* Prepare command */
771 bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER);
772 bootcmd->cmd = ivalue;
773 memset(bootcmd->pad, 0, sizeof(bootcmd->pad));
776 usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd));
783 * check_fwfile_format - check the validity of Boot2/FW image
785 * @data: pointer to image
786 * @totlen: image length
787 * returns: 0 (good) or 1 (failure)
789 static int check_fwfile_format(const uint8_t *data, uint32_t totlen)
791 uint32_t bincmd, exit;
792 uint32_t blksize, offset, len;
799 struct fwheader *fwh = (void *)data;
801 bincmd = le32_to_cpu(fwh->dnldcmd);
802 blksize = le32_to_cpu(fwh->datalength);
804 case FW_HAS_DATA_TO_RECV:
805 offset = sizeof(struct fwheader) + blksize;
811 case FW_HAS_LAST_BLOCK:
822 pr_err("firmware file format check FAIL\n");
824 lbs_deb_fw("firmware file format check PASS\n");
829 static void if_usb_prog_firmware(struct lbs_private *priv, int ret,
830 const struct firmware *fw,
831 const struct firmware *unused)
833 struct if_usb_card *cardp = priv->card;
835 static int reset_count = 10;
837 lbs_deb_enter(LBS_DEB_USB);
840 pr_err("failed to find firmware (%d)\n", ret);
845 if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) {
850 /* Cancel any pending usb business */
851 usb_kill_urb(cardp->rx_urb);
852 usb_kill_urb(cardp->tx_urb);
854 cardp->fwlastblksent = 0;
855 cardp->fwdnldover = 0;
856 cardp->totalbytes = 0;
857 cardp->fwfinalblk = 0;
858 cardp->bootcmdresp = 0;
861 if (if_usb_submit_rx_urb_fwload(cardp) < 0) {
862 lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n");
867 cardp->bootcmdresp = 0;
871 if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB);
872 /* wait for command response */
875 msleep_interruptible(100);
876 } while (cardp->bootcmdresp == 0 && j < 10);
877 } while (cardp->bootcmdresp == 0 && i < 5);
879 if (cardp->bootcmdresp == BOOT_CMD_RESP_NOT_SUPPORTED) {
880 /* Return to normal operation */
882 usb_kill_urb(cardp->rx_urb);
883 usb_kill_urb(cardp->tx_urb);
884 if (if_usb_submit_rx_urb(cardp) < 0)
887 } else if (cardp->bootcmdresp <= 0) {
888 if (--reset_count >= 0) {
889 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 /* Send the first firmware packet... */
907 if_usb_send_fw_pkt(cardp);
909 /* ... and wait for the process to complete */
910 wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover);
912 del_timer_sync(&cardp->fw_timeout);
913 usb_kill_urb(cardp->rx_urb);
915 if (!cardp->fwdnldover) {
916 pr_info("failed to load fw, resetting device!\n");
917 if (--reset_count >= 0) {
918 if_usb_reset_device(cardp);
922 pr_info("FW download failure, time = %d ms\n", i * 100);
927 cardp->priv->fw_ready = 1;
928 if_usb_submit_rx_urb(cardp);
930 if (lbs_start_card(priv))
933 if_usb_setup_firmware(priv);
936 * EHS_REMOVE_WAKEUP is not supported on all versions of the firmware.
938 priv->wol_criteria = EHS_REMOVE_WAKEUP;
939 if (lbs_host_sleep_cfg(priv, priv->wol_criteria, NULL))
940 priv->ehs_remove_supported = false;
943 release_firmware(cardp->fw);
947 lbs_deb_leave(LBS_DEB_USB);
952 static int if_usb_suspend(struct usb_interface *intf, pm_message_t message)
954 struct if_usb_card *cardp = usb_get_intfdata(intf);
955 struct lbs_private *priv = cardp->priv;
958 lbs_deb_enter(LBS_DEB_USB);
960 if (priv->psstate != PS_STATE_FULL_POWER) {
966 if (machine_is_olpc()) {
967 if (priv->wol_criteria == EHS_REMOVE_WAKEUP)
968 olpc_ec_wakeup_clear(EC_SCI_SRC_WLAN);
970 olpc_ec_wakeup_set(EC_SCI_SRC_WLAN);
974 ret = lbs_suspend(priv);
978 /* Unlink tx & rx urb */
979 usb_kill_urb(cardp->tx_urb);
980 usb_kill_urb(cardp->rx_urb);
983 lbs_deb_leave(LBS_DEB_USB);
987 static int if_usb_resume(struct usb_interface *intf)
989 struct if_usb_card *cardp = usb_get_intfdata(intf);
990 struct lbs_private *priv = cardp->priv;
992 lbs_deb_enter(LBS_DEB_USB);
994 if_usb_submit_rx_urb(cardp);
998 lbs_deb_leave(LBS_DEB_USB);
1002 #define if_usb_suspend NULL
1003 #define if_usb_resume NULL
1006 static struct usb_driver if_usb_driver = {
1008 .probe = if_usb_probe,
1009 .disconnect = if_usb_disconnect,
1010 .id_table = if_usb_table,
1011 .suspend = if_usb_suspend,
1012 .resume = if_usb_resume,
1013 .reset_resume = if_usb_resume,
1014 .disable_hub_initiated_lpm = 1,
1017 module_usb_driver(if_usb_driver);
1019 MODULE_DESCRIPTION("8388 USB WLAN Driver");
1020 MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc.");
1021 MODULE_LICENSE("GPL");