2 * Copyright (c) 2011 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <linux/init.h>
18 #include <linux/kernel.h>
19 #include <linux/module.h>
20 #include <linux/kthread.h>
21 #include <linux/slab.h>
22 #include <linux/skbuff.h>
23 #include <linux/netdevice.h>
24 #include <linux/spinlock.h>
25 #include <linux/ethtool.h>
26 #include <linux/fcntl.h>
28 #include <linux/uaccess.h>
29 #include <linux/firmware.h>
30 #include <linux/usb.h>
31 #include <linux/vmalloc.h>
32 #include <net/cfg80211.h>
35 #include <brcmu_utils.h>
36 #include <brcmu_wifi.h>
43 #define IOCTL_RESP_TIMEOUT 2000
45 #define BRCMF_USB_SYNC_TIMEOUT 300 /* ms */
46 #define BRCMF_USB_DLIMAGE_SPINWAIT 100 /* in unit of ms */
47 #define BRCMF_USB_DLIMAGE_LIMIT 500 /* spinwait limit (ms) */
49 #define BRCMF_POSTBOOT_ID 0xA123 /* ID to detect if dongle
51 #define BRCMF_USB_RESETCFG_SPINWAIT 1 /* wait after resetcfg (ms) */
53 #define BRCMF_USB_NRXQ 50
54 #define BRCMF_USB_NTXQ 50
56 #define CONFIGDESC(usb) (&((usb)->actconfig)->desc)
57 #define IFPTR(usb, idx) ((usb)->actconfig->interface[(idx)])
58 #define IFALTS(usb, idx) (IFPTR((usb), (idx))->altsetting[0])
59 #define IFDESC(usb, idx) IFALTS((usb), (idx)).desc
60 #define IFEPDESC(usb, idx, ep) (IFALTS((usb), (idx)).endpoint[(ep)]).desc
65 #define BRCMF_USB_CBCTL_WRITE 0
66 #define BRCMF_USB_CBCTL_READ 1
67 #define BRCMF_USB_MAX_PKT_SIZE 1600
69 #define BRCMF_USB_43236_FW_NAME "brcm/brcmfmac43236b.bin"
71 enum usbdev_suspend_state {
72 USBOS_SUSPEND_STATE_DEVICE_ACTIVE = 0, /* Device is busy, won't allow
74 USBOS_SUSPEND_STATE_SUSPEND_PENDING, /* Device is idle, can be
75 * suspended. Wating PM to
78 USBOS_SUSPEND_STATE_SUSPENDED /* Device suspended */
81 struct brcmf_usb_probe_info {
83 struct usb_device *usb; /* USB device pointer from OS */
84 uint rx_pipe, tx_pipe, intr_pipe, rx_pipe2;
85 int intr_size; /* Size of interrupt message */
86 int interval; /* Interrupt polling interval */
89 enum usb_device_speed device_speed;
90 enum usbdev_suspend_state suspend_state;
91 struct usb_interface *intf;
93 static struct brcmf_usb_probe_info usbdev_probe_info;
95 struct brcmf_usb_image {
99 static struct brcmf_usb_image g_image = { NULL, 0 };
101 struct intr_transfer_buf {
106 struct brcmf_usbdev_info {
107 struct brcmf_usbdev bus_pub; /* MUST BE FIRST */
109 struct list_head rx_freeq;
110 struct list_head rx_postq;
111 struct list_head tx_freeq;
112 struct list_head tx_postq;
113 enum usbdev_suspend_state suspend_state;
114 uint rx_pipe, tx_pipe, intr_pipe, rx_pipe2;
117 int rx_low_watermark;
118 int tx_low_watermark;
119 int tx_high_watermark;
124 struct brcmf_usbreq *tx_reqs;
125 struct brcmf_usbreq *rx_reqs;
127 u8 *image; /* buffer for combine fw and nvram */
130 wait_queue_head_t wait;
134 struct usb_device *usbdev;
136 enum usb_device_speed device_speed;
138 int ctl_in_pipe, ctl_out_pipe;
139 struct urb *ctl_urb; /* URB for control endpoint */
140 struct usb_ctrlrequest ctl_write;
141 struct usb_ctrlrequest ctl_read;
142 u32 ctl_urb_actual_length;
145 wait_queue_head_t ioctl_resp_wait;
146 wait_queue_head_t ctrl_wait;
149 bool rxctl_deferrespok;
151 struct urb *bulk_urb; /* used for FW download */
152 struct urb *intr_urb; /* URB for interrupt endpoint */
153 int intr_size; /* Size of interrupt message */
154 int interval; /* Interrupt polling interval */
155 struct intr_transfer_buf intr; /* Data buffer for interrupt endpoint */
157 struct brcmf_usb_probe_info probe_info;
161 static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo,
162 struct brcmf_usbreq *req);
164 MODULE_AUTHOR("Broadcom Corporation");
165 MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac usb driver.");
166 MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac usb cards");
167 MODULE_LICENSE("Dual BSD/GPL");
169 static struct brcmf_usbdev *brcmf_usb_get_buspub(struct device *dev)
171 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
172 return bus_if->bus_priv.usb;
175 static struct brcmf_usbdev_info *brcmf_usb_get_businfo(struct device *dev)
177 return brcmf_usb_get_buspub(dev)->devinfo;
182 brcmf_usb_txflowcontrol(struct brcmf_usbdev_info *devinfo, bool onoff)
184 dhd_txflowcontrol(devinfo->bus_pub.netdev, 0, onoff);
188 static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info *devinfo,
189 uint *condition, bool *pending)
191 DECLARE_WAITQUEUE(wait, current);
192 int timeout = IOCTL_RESP_TIMEOUT;
194 /* Convert timeout in millsecond to jiffies */
195 timeout = msecs_to_jiffies(timeout);
196 /* Wait until control frame is available */
197 add_wait_queue(&devinfo->ioctl_resp_wait, &wait);
198 set_current_state(TASK_INTERRUPTIBLE);
201 while (!(*condition) && (!signal_pending(current) && timeout)) {
202 timeout = schedule_timeout(timeout);
203 /* Wait until control frame is available */
207 if (signal_pending(current))
210 set_current_state(TASK_RUNNING);
211 remove_wait_queue(&devinfo->ioctl_resp_wait, &wait);
216 static int brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo)
218 if (waitqueue_active(&devinfo->ioctl_resp_wait))
219 wake_up_interruptible(&devinfo->ioctl_resp_wait);
225 brcmf_usb_ctl_complete(struct brcmf_usbdev_info *devinfo, int type, int status)
228 if (unlikely(devinfo == NULL))
231 if (type == BRCMF_USB_CBCTL_READ) {
233 devinfo->bus_pub.stats.rx_ctlpkts++;
235 devinfo->bus_pub.stats.rx_ctlerrs++;
236 } else if (type == BRCMF_USB_CBCTL_WRITE) {
238 devinfo->bus_pub.stats.tx_ctlpkts++;
240 devinfo->bus_pub.stats.tx_ctlerrs++;
243 devinfo->ctl_urb_status = status;
244 devinfo->ctl_completed = true;
245 brcmf_usb_ioctl_resp_wake(devinfo);
249 brcmf_usb_ctlread_complete(struct urb *urb)
251 struct brcmf_usbdev_info *devinfo =
252 (struct brcmf_usbdev_info *)urb->context;
254 devinfo->ctl_urb_actual_length = urb->actual_length;
255 brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_READ,
260 brcmf_usb_ctlwrite_complete(struct urb *urb)
262 struct brcmf_usbdev_info *devinfo =
263 (struct brcmf_usbdev_info *)urb->context;
265 brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_WRITE,
269 static int brcmf_usb_pnp(struct brcmf_usbdev_info *devinfo, uint state)
275 brcmf_usb_send_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len)
280 if (devinfo == NULL || buf == NULL ||
281 len == 0 || devinfo->ctl_urb == NULL)
284 /* If the USB/HSIC bus in sleep state, wake it up */
285 if (devinfo->suspend_state == USBOS_SUSPEND_STATE_SUSPENDED)
286 if (brcmf_usb_pnp(devinfo, BCMFMAC_USB_PNP_RESUME) != 0) {
287 brcmf_dbg(ERROR, "Could not Resume the bus!\n");
291 devinfo->activity = true;
293 devinfo->ctl_write.wLength = cpu_to_le16p(&size);
294 devinfo->ctl_urb->transfer_buffer_length = size;
295 devinfo->ctl_urb_status = 0;
296 devinfo->ctl_urb_actual_length = 0;
298 usb_fill_control_urb(devinfo->ctl_urb,
300 devinfo->ctl_out_pipe,
301 (unsigned char *) &devinfo->ctl_write,
303 (usb_complete_t)brcmf_usb_ctlwrite_complete,
306 ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC);
308 brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret);
314 brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len)
319 if ((devinfo == NULL) || (buf == NULL) || (len == 0)
320 || (devinfo->ctl_urb == NULL))
324 devinfo->ctl_read.wLength = cpu_to_le16p(&size);
325 devinfo->ctl_urb->transfer_buffer_length = size;
327 if (devinfo->rxctl_deferrespok) {
329 devinfo->ctl_read.bRequestType = USB_DIR_IN
330 | USB_TYPE_VENDOR | USB_RECIP_INTERFACE;
331 devinfo->ctl_read.bRequest = DL_DEFER_RESP_OK;
333 /* full dongle model */
334 devinfo->ctl_read.bRequestType = USB_DIR_IN
335 | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
336 devinfo->ctl_read.bRequest = 1;
339 usb_fill_control_urb(devinfo->ctl_urb,
341 devinfo->ctl_in_pipe,
342 (unsigned char *) &devinfo->ctl_read,
344 (usb_complete_t)brcmf_usb_ctlread_complete,
347 ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC);
349 brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret);
354 static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len)
359 struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
361 if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) {
362 /* TODO: handle suspend/resume */
366 if (test_and_set_bit(0, &devinfo->ctl_op))
369 devinfo->ctl_completed = false;
370 err = brcmf_usb_send_ctl(devinfo, buf, len);
372 brcmf_dbg(ERROR, "fail %d bytes: %d\n", err, len);
376 timeout = brcmf_usb_ioctl_resp_wait(devinfo, &devinfo->ctl_completed,
378 clear_bit(0, &devinfo->ctl_op);
380 brcmf_dbg(ERROR, "Txctl wait timed out\n");
386 static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len)
391 struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
393 if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) {
394 /* TODO: handle suspend/resume */
397 if (test_and_set_bit(0, &devinfo->ctl_op))
400 err = brcmf_usb_recv_ctl(devinfo, buf, len);
402 brcmf_dbg(ERROR, "fail %d bytes: %d\n", err, len);
405 devinfo->ctl_completed = false;
406 timeout = brcmf_usb_ioctl_resp_wait(devinfo, &devinfo->ctl_completed,
408 err = devinfo->ctl_urb_status;
409 clear_bit(0, &devinfo->ctl_op);
411 brcmf_dbg(ERROR, "rxctl wait timed out\n");
415 return devinfo->ctl_urb_actual_length;
420 static struct brcmf_usbreq *brcmf_usb_deq(struct brcmf_usbdev_info *devinfo,
424 struct brcmf_usbreq *req;
425 spin_lock_irqsave(&devinfo->qlock, flags);
427 spin_unlock_irqrestore(&devinfo->qlock, flags);
430 req = list_entry(q->next, struct brcmf_usbreq, list);
431 list_del_init(q->next);
432 spin_unlock_irqrestore(&devinfo->qlock, flags);
437 static void brcmf_usb_enq(struct brcmf_usbdev_info *devinfo,
438 struct list_head *q, struct brcmf_usbreq *req)
441 spin_lock_irqsave(&devinfo->qlock, flags);
442 list_add_tail(&req->list, q);
443 spin_unlock_irqrestore(&devinfo->qlock, flags);
446 static struct brcmf_usbreq *
447 brcmf_usbdev_qinit(struct list_head *q, int qsize)
450 struct brcmf_usbreq *req, *reqs;
452 reqs = kzalloc(sizeof(struct brcmf_usbreq) * qsize, GFP_ATOMIC);
454 brcmf_dbg(ERROR, "fail to allocate memory!\n");
459 for (i = 0; i < qsize; i++) {
460 req->urb = usb_alloc_urb(0, GFP_ATOMIC);
464 INIT_LIST_HEAD(&req->list);
465 list_add_tail(&req->list, q);
470 brcmf_dbg(ERROR, "fail!\n");
471 while (!list_empty(q)) {
472 req = list_entry(q->next, struct brcmf_usbreq, list);
474 usb_free_urb(req->urb);
481 static void brcmf_usb_free_q(struct list_head *q, bool pending)
483 struct brcmf_usbreq *req, *next;
485 list_for_each_entry_safe(req, next, q, list) {
487 brcmf_dbg(ERROR, "bad req\n");
492 usb_kill_urb(req->urb);
494 usb_free_urb(req->urb);
495 list_del_init(&req->list);
500 static void brcmf_usb_del_fromq(struct brcmf_usbdev_info *devinfo,
501 struct brcmf_usbreq *req)
505 spin_lock_irqsave(&devinfo->qlock, flags);
506 list_del_init(&req->list);
507 spin_unlock_irqrestore(&devinfo->qlock, flags);
511 static void brcmf_usb_tx_complete(struct urb *urb)
513 struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context;
514 struct brcmf_usbdev_info *devinfo = req->devinfo;
516 brcmf_usb_del_fromq(devinfo, req);
517 if (urb->status == 0)
518 devinfo->bus_pub.bus->dstats.tx_packets++;
520 devinfo->bus_pub.bus->dstats.tx_errors++;
522 dev_kfree_skb(req->skb);
524 brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req);
528 static void brcmf_usb_rx_complete(struct urb *urb)
530 struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context;
531 struct brcmf_usbdev_info *devinfo = req->devinfo;
535 brcmf_usb_del_fromq(devinfo, req);
539 if (urb->status == 0) {
540 devinfo->bus_pub.bus->dstats.rx_packets++;
542 devinfo->bus_pub.bus->dstats.rx_errors++;
544 brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req);
548 if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP) {
549 skb_put(skb, urb->actual_length);
550 if (brcmf_proto_hdrpull(devinfo->dev, &ifidx, skb) != 0) {
551 brcmf_dbg(ERROR, "rx protocol error\n");
552 brcmu_pkt_buf_free_skb(skb);
553 devinfo->bus_pub.bus->dstats.rx_errors++;
555 brcmf_rx_packet(devinfo->dev, ifidx, skb);
556 brcmf_usb_rx_refill(devinfo, req);
565 static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo,
566 struct brcmf_usbreq *req)
571 if (!req || !devinfo)
574 skb = dev_alloc_skb(devinfo->bus_pub.bus_mtu);
576 brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req);
581 usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->rx_pipe,
582 skb->data, skb_tailroom(skb), brcmf_usb_rx_complete,
584 req->urb->transfer_flags |= URB_ZERO_PACKET;
585 req->devinfo = devinfo;
587 ret = usb_submit_urb(req->urb, GFP_ATOMIC);
589 brcmf_usb_enq(devinfo, &devinfo->rx_postq, req);
591 dev_kfree_skb(req->skb);
593 brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req);
598 static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info *devinfo)
600 struct brcmf_usbreq *req;
602 if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) {
603 brcmf_dbg(ERROR, "bus is not up\n");
606 while ((req = brcmf_usb_deq(devinfo, &devinfo->rx_freeq)) != NULL)
607 brcmf_usb_rx_refill(devinfo, req);
611 brcmf_usb_state_change(struct brcmf_usbdev_info *devinfo, int state)
613 struct brcmf_bus *bcmf_bus = devinfo->bus_pub.bus;
617 if (devinfo->bus_pub.state == state)
620 old_state = devinfo->bus_pub.state;
621 brcmf_dbg(TRACE, "dbus state change from %d to to %d\n",
624 /* Don't update state if it's PnP firmware re-download */
625 if (state != BCMFMAC_USB_STATE_PNP_FWDL) /* TODO */
626 devinfo->bus_pub.state = state;
628 if ((old_state == BCMFMAC_USB_STATE_SLEEP)
629 && (state == BCMFMAC_USB_STATE_UP)) {
630 brcmf_usb_rx_fill_all(devinfo);
633 /* update state of upper layer */
634 if (state == BCMFMAC_USB_STATE_DOWN) {
635 brcmf_dbg(INFO, "DBUS is down\n");
636 bcmf_bus->state = BRCMF_BUS_DOWN;
638 brcmf_dbg(INFO, "DBUS current state=%d\n", state);
643 brcmf_usb_intr_complete(struct urb *urb)
645 struct brcmf_usbdev_info *devinfo =
646 (struct brcmf_usbdev_info *)urb->context;
652 if (unlikely(urb->status)) {
653 if (devinfo->suspend_state ==
654 USBOS_SUSPEND_STATE_SUSPEND_PENDING)
657 if ((urb->status == -ENOENT && (!killed))
658 || urb->status == -ESHUTDOWN ||
659 urb->status == -ENODEV) {
660 brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_DOWN);
664 if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_DOWN) {
665 brcmf_dbg(ERROR, "intr cb when DBUS down, ignoring\n");
669 if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP)
670 usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC);
673 static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb)
675 struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
676 struct brcmf_usbreq *req;
679 if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) {
680 /* TODO: handle suspend/resume */
684 req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq);
686 brcmf_dbg(ERROR, "no req to send\n");
690 brcmf_dbg(ERROR, "no urb for req %p\n", req);
695 req->devinfo = devinfo;
696 usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->tx_pipe,
697 skb->data, skb->len, brcmf_usb_tx_complete, req);
698 req->urb->transfer_flags |= URB_ZERO_PACKET;
699 ret = usb_submit_urb(req->urb, GFP_ATOMIC);
701 brcmf_usb_enq(devinfo, &devinfo->tx_postq, req);
704 brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req);
711 static int brcmf_usb_up(struct device *dev)
713 struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
716 if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP)
719 /* If the USB/HSIC bus in sleep state, wake it up */
720 if (devinfo->suspend_state == USBOS_SUSPEND_STATE_SUSPENDED) {
721 if (brcmf_usb_pnp(devinfo, BCMFMAC_USB_PNP_RESUME) != 0) {
722 brcmf_dbg(ERROR, "Could not Resume the bus!\n");
726 devinfo->activity = true;
728 /* Success, indicate devinfo is fully up */
729 brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_UP);
731 if (devinfo->intr_urb) {
734 usb_fill_int_urb(devinfo->intr_urb, devinfo->usbdev,
738 (usb_complete_t)brcmf_usb_intr_complete,
742 ret = usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC);
744 brcmf_dbg(ERROR, "USB_SUBMIT_URB failed with status %d\n",
750 if (devinfo->ctl_urb) {
751 devinfo->ctl_in_pipe = usb_rcvctrlpipe(devinfo->usbdev, 0);
752 devinfo->ctl_out_pipe = usb_sndctrlpipe(devinfo->usbdev, 0);
754 ifnum = IFDESC(devinfo->usbdev, CONTROL_IF).bInterfaceNumber;
757 devinfo->ctl_write.bRequestType =
758 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
759 devinfo->ctl_write.bRequest = 0;
760 devinfo->ctl_write.wValue = cpu_to_le16(0);
761 devinfo->ctl_write.wIndex = cpu_to_le16p(&ifnum);
764 devinfo->ctl_read.bRequestType =
765 USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
766 devinfo->ctl_read.bRequest = 1;
767 devinfo->ctl_read.wValue = cpu_to_le16(0);
768 devinfo->ctl_read.wIndex = cpu_to_le16p(&ifnum);
770 brcmf_usb_rx_fill_all(devinfo);
774 static void brcmf_usb_down(struct device *dev)
776 struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
781 brcmf_dbg(TRACE, "enter\n");
782 if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_DOWN)
785 brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_DOWN);
786 if (devinfo->intr_urb)
787 usb_kill_urb(devinfo->intr_urb);
789 if (devinfo->ctl_urb)
790 usb_kill_urb(devinfo->ctl_urb);
792 if (devinfo->bulk_urb)
793 usb_kill_urb(devinfo->bulk_urb);
794 brcmf_usb_free_q(&devinfo->tx_postq, true);
796 brcmf_usb_free_q(&devinfo->rx_postq, true);
800 brcmf_usb_sync_wait(struct brcmf_usbdev_info *devinfo, u16 time)
806 ret = wait_event_interruptible_timeout(devinfo->wait,
807 devinfo->waitdone == true, (ms * HZ / 1000));
809 if ((devinfo->waitdone == false) || (devinfo->sync_urb_status)) {
810 brcmf_dbg(ERROR, "timeout(%d) or urb err=%d\n",
811 ret, devinfo->sync_urb_status);
814 devinfo->waitdone = false;
819 brcmf_usb_sync_complete(struct urb *urb)
821 struct brcmf_usbdev_info *devinfo =
822 (struct brcmf_usbdev_info *)urb->context;
824 devinfo->waitdone = true;
825 wake_up_interruptible(&devinfo->wait);
826 devinfo->sync_urb_status = urb->status;
829 static bool brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd,
830 void *buffer, int buflen)
836 if ((!devinfo) || (devinfo->ctl_urb == NULL))
839 tmpbuf = kmalloc(buflen, GFP_ATOMIC);
844 devinfo->ctl_urb->transfer_buffer_length = size;
846 devinfo->ctl_read.wLength = cpu_to_le16p(&size);
847 devinfo->ctl_read.bRequestType = USB_DIR_IN | USB_TYPE_VENDOR |
849 devinfo->ctl_read.bRequest = cmd;
851 usb_fill_control_urb(devinfo->ctl_urb,
853 usb_rcvctrlpipe(devinfo->usbdev, 0),
854 (unsigned char *) &devinfo->ctl_read,
855 (void *) tmpbuf, size,
856 (usb_complete_t)brcmf_usb_sync_complete, devinfo);
858 ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC);
860 brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret);
865 ret = brcmf_usb_sync_wait(devinfo, BRCMF_USB_SYNC_TIMEOUT);
866 memcpy(buffer, tmpbuf, buflen);
873 brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo)
875 struct bootrom_id_le id;
878 brcmf_dbg(TRACE, "enter\n");
883 /* Check if firmware downloaded already by querying runtime ID */
884 id.chip = cpu_to_le32(0xDEAD);
885 brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id,
886 sizeof(struct bootrom_id_le));
888 chipid = le32_to_cpu(id.chip);
889 chiprev = le32_to_cpu(id.chiprev);
891 if ((chipid & 0x4300) == 0x4300)
892 brcmf_dbg(INFO, "chip %x rev 0x%x\n", chipid, chiprev);
894 brcmf_dbg(INFO, "chip %d rev 0x%x\n", chipid, chiprev);
895 if (chipid == BRCMF_POSTBOOT_ID) {
896 brcmf_dbg(INFO, "firmware already downloaded\n");
897 brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id,
898 sizeof(struct bootrom_id_le));
901 devinfo->bus_pub.devid = chipid;
902 devinfo->bus_pub.chiprev = chiprev;
908 brcmf_usb_resetcfg(struct brcmf_usbdev_info *devinfo)
910 struct bootrom_id_le id;
911 u16 wait = 0, wait_time;
913 brcmf_dbg(TRACE, "enter\n");
918 /* Give dongle chance to boot */
919 wait_time = BRCMF_USB_DLIMAGE_SPINWAIT;
920 while (wait < BRCMF_USB_DLIMAGE_LIMIT) {
923 id.chip = cpu_to_le32(0xDEAD); /* Get the ID */
924 brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id,
925 sizeof(struct bootrom_id_le));
926 if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID))
930 if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) {
931 brcmf_dbg(INFO, "download done %d ms postboot chip 0x%x/rev 0x%x\n",
932 wait, le32_to_cpu(id.chip), le32_to_cpu(id.chiprev));
934 brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id,
935 sizeof(struct bootrom_id_le));
937 /* XXX this wait may not be necessary */
938 mdelay(BRCMF_USB_RESETCFG_SPINWAIT);
941 brcmf_dbg(ERROR, "Cannot talk to Dongle. Firmware is not UP, %d ms\n",
949 brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info *devinfo, void *buffer, int len)
953 if ((devinfo == NULL) || (devinfo->bulk_urb == NULL))
956 /* Prepare the URB */
957 usb_fill_bulk_urb(devinfo->bulk_urb, devinfo->usbdev,
958 devinfo->tx_pipe, buffer, len,
959 (usb_complete_t)brcmf_usb_sync_complete, devinfo);
961 devinfo->bulk_urb->transfer_flags |= URB_ZERO_PACKET;
963 ret = usb_submit_urb(devinfo->bulk_urb, GFP_ATOMIC);
965 brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret);
968 ret = brcmf_usb_sync_wait(devinfo, BRCMF_USB_SYNC_TIMEOUT);
973 brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen)
975 unsigned int sendlen, sent, dllen;
976 char *bulkchunk = NULL, *dlpos;
977 struct rdl_state_le state;
978 u32 rdlstate, rdlbytes;
980 brcmf_dbg(TRACE, "fw %p, len %d\n", fw, fwlen);
982 bulkchunk = kmalloc(RDL_CHUNK, GFP_ATOMIC);
983 if (bulkchunk == NULL) {
988 /* 1) Prepare USB boot loader for runtime image */
989 brcmf_usb_dl_cmd(devinfo, DL_START, &state,
990 sizeof(struct rdl_state_le));
992 rdlstate = le32_to_cpu(state.state);
993 rdlbytes = le32_to_cpu(state.bytes);
995 /* 2) Check we are in the Waiting state */
996 if (rdlstate != DL_WAITING) {
997 brcmf_dbg(ERROR, "Failed to DL_START\n");
1005 /* Get chip id and rev */
1006 while (rdlbytes != dllen) {
1007 /* Wait until the usb device reports it received all
1008 * the bytes we sent */
1009 if ((rdlbytes == sent) && (rdlbytes != dllen)) {
1010 if ((dllen-sent) < RDL_CHUNK)
1011 sendlen = dllen-sent;
1013 sendlen = RDL_CHUNK;
1015 /* simply avoid having to send a ZLP by ensuring we
1016 * never have an even
1019 if (!(sendlen % 64))
1023 memcpy(bulkchunk, dlpos, sendlen);
1024 if (brcmf_usb_dl_send_bulk(devinfo, bulkchunk,
1026 brcmf_dbg(ERROR, "send_bulk failed\n");
1034 if (!brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state,
1035 sizeof(struct rdl_state_le))) {
1036 brcmf_dbg(ERROR, "DL_GETSTATE Failed xxxx\n");
1041 rdlstate = le32_to_cpu(state.state);
1042 rdlbytes = le32_to_cpu(state.bytes);
1044 /* restart if an error is reported */
1045 if (rdlstate == DL_BAD_HDR || rdlstate == DL_BAD_CRC) {
1046 brcmf_dbg(ERROR, "Bad Hdr or Bad CRC state %d\n",
1055 brcmf_dbg(TRACE, "err=%d\n", err);
1059 static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len)
1063 brcmf_dbg(TRACE, "enter\n");
1065 if (devinfo == NULL)
1068 if (devinfo->bus_pub.devid == 0xDEAD)
1071 err = brcmf_usb_dl_writeimage(devinfo, fw, len);
1073 devinfo->bus_pub.state = BCMFMAC_USB_STATE_DL_DONE;
1075 devinfo->bus_pub.state = BCMFMAC_USB_STATE_DL_PENDING;
1076 brcmf_dbg(TRACE, "exit: err=%d\n", err);
1081 static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo)
1083 struct rdl_state_le state;
1085 brcmf_dbg(TRACE, "enter\n");
1089 if (devinfo->bus_pub.devid == 0xDEAD)
1092 /* Check we are runnable */
1093 brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state,
1094 sizeof(struct rdl_state_le));
1096 /* Start the image */
1097 if (state.state == cpu_to_le32(DL_RUNNABLE)) {
1098 if (!brcmf_usb_dl_cmd(devinfo, DL_GO, &state,
1099 sizeof(struct rdl_state_le)))
1101 if (brcmf_usb_resetcfg(devinfo))
1103 /* The Dongle may go for re-enumeration. */
1105 brcmf_dbg(ERROR, "Dongle not runnable\n");
1108 brcmf_dbg(TRACE, "exit\n");
1112 static bool brcmf_usb_chip_support(int chipid, int chiprev)
1118 return (chiprev == 3);
1126 brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo)
1131 brcmf_dbg(TRACE, "enter\n");
1132 if (devinfo == NULL)
1135 devid = devinfo->bus_pub.devid;
1136 chiprev = devinfo->bus_pub.chiprev;
1138 if (!brcmf_usb_chip_support(devid, chiprev)) {
1139 brcmf_dbg(ERROR, "unsupported chip %d rev %d\n",
1144 if (!devinfo->image) {
1145 brcmf_dbg(ERROR, "No firmware!\n");
1149 err = brcmf_usb_dlstart(devinfo,
1150 devinfo->image, devinfo->image_len);
1152 err = brcmf_usb_dlrun(devinfo);
1157 static void brcmf_usb_detach(const struct brcmf_usbdev *bus_pub)
1159 struct brcmf_usbdev_info *devinfo =
1160 (struct brcmf_usbdev_info *)bus_pub;
1162 brcmf_dbg(TRACE, "devinfo %p\n", devinfo);
1164 /* store the image globally */
1165 g_image.data = devinfo->image;
1166 g_image.len = devinfo->image_len;
1169 brcmf_usb_free_q(&devinfo->rx_freeq, false);
1170 brcmf_usb_free_q(&devinfo->tx_freeq, false);
1172 usb_free_urb(devinfo->intr_urb);
1173 usb_free_urb(devinfo->ctl_urb);
1174 usb_free_urb(devinfo->bulk_urb);
1176 kfree(devinfo->tx_reqs);
1177 kfree(devinfo->rx_reqs);
1181 #define TRX_MAGIC 0x30524448 /* "HDR0" */
1182 #define TRX_VERSION 1 /* Version 1 */
1183 #define TRX_MAX_LEN 0x3B0000 /* Max length */
1184 #define TRX_NO_HEADER 1 /* Do not write TRX header */
1185 #define TRX_MAX_OFFSET 3 /* Max number of individual files */
1186 #define TRX_UNCOMP_IMAGE 0x20 /* Trx contains uncompressed image */
1188 struct trx_header_le {
1189 __le32 magic; /* "HDR0" */
1190 __le32 len; /* Length of file including header */
1191 __le32 crc32; /* CRC from flag_version to end of file */
1192 __le32 flag_version; /* 0:15 flags, 16:31 version */
1193 __le32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of
1197 static int check_file(const u8 *headers)
1199 struct trx_header_le *trx;
1200 int actual_len = -1;
1202 /* Extract trx header */
1203 trx = (struct trx_header_le *) headers;
1204 if (trx->magic != cpu_to_le32(TRX_MAGIC))
1207 headers += sizeof(struct trx_header_le);
1209 if (le32_to_cpu(trx->flag_version) & TRX_UNCOMP_IMAGE) {
1210 actual_len = le32_to_cpu(trx->offsets[TRX_OFFSETS_DLFWLEN_IDX]);
1211 return actual_len + sizeof(struct trx_header_le);
1216 static int brcmf_usb_get_fw(struct brcmf_usbdev_info *devinfo)
1219 const struct firmware *fw;
1222 devinfo->image = g_image.data;
1223 devinfo->image_len = g_image.len;
1226 * if we have an image we can leave here.
1231 fwname = BRCMF_USB_43236_FW_NAME;
1233 err = request_firmware(&fw, fwname, devinfo->dev);
1235 brcmf_dbg(ERROR, "fail to request firmware %s\n", fwname);
1238 if (check_file(fw->data) < 0) {
1239 brcmf_dbg(ERROR, "invalid firmware %s\n", fwname);
1243 devinfo->image = vmalloc(fw->size); /* plus nvram */
1244 if (!devinfo->image)
1247 memcpy(devinfo->image, fw->data, fw->size);
1248 devinfo->image_len = fw->size;
1250 release_firmware(fw);
1256 struct brcmf_usbdev *brcmf_usb_attach(int nrxq, int ntxq, struct device *dev)
1258 struct brcmf_usbdev_info *devinfo;
1260 devinfo = kzalloc(sizeof(struct brcmf_usbdev_info), GFP_ATOMIC);
1261 if (devinfo == NULL)
1264 devinfo->bus_pub.nrxq = nrxq;
1265 devinfo->rx_low_watermark = nrxq / 2;
1266 devinfo->bus_pub.devinfo = devinfo;
1267 devinfo->bus_pub.ntxq = ntxq;
1269 /* flow control when too many tx urbs posted */
1270 devinfo->tx_low_watermark = ntxq / 4;
1271 devinfo->tx_high_watermark = devinfo->tx_low_watermark * 3;
1273 devinfo->usbdev = usbdev_probe_info.usb;
1274 devinfo->tx_pipe = usbdev_probe_info.tx_pipe;
1275 devinfo->rx_pipe = usbdev_probe_info.rx_pipe;
1276 devinfo->rx_pipe2 = usbdev_probe_info.rx_pipe2;
1277 devinfo->intr_pipe = usbdev_probe_info.intr_pipe;
1279 devinfo->interval = usbdev_probe_info.interval;
1280 devinfo->intr_size = usbdev_probe_info.intr_size;
1282 memcpy(&devinfo->probe_info, &usbdev_probe_info,
1283 sizeof(struct brcmf_usb_probe_info));
1284 devinfo->bus_pub.bus_mtu = BRCMF_USB_MAX_PKT_SIZE;
1286 /* Initialize other structure content */
1287 init_waitqueue_head(&devinfo->ioctl_resp_wait);
1289 /* Initialize the spinlocks */
1290 spin_lock_init(&devinfo->qlock);
1292 INIT_LIST_HEAD(&devinfo->rx_freeq);
1293 INIT_LIST_HEAD(&devinfo->rx_postq);
1295 INIT_LIST_HEAD(&devinfo->tx_freeq);
1296 INIT_LIST_HEAD(&devinfo->tx_postq);
1298 devinfo->rx_reqs = brcmf_usbdev_qinit(&devinfo->rx_freeq, nrxq);
1299 if (!devinfo->rx_reqs)
1302 devinfo->tx_reqs = brcmf_usbdev_qinit(&devinfo->tx_freeq, ntxq);
1303 if (!devinfo->tx_reqs)
1306 devinfo->intr_urb = usb_alloc_urb(0, GFP_ATOMIC);
1307 if (!devinfo->intr_urb) {
1308 brcmf_dbg(ERROR, "usb_alloc_urb (intr) failed\n");
1311 devinfo->ctl_urb = usb_alloc_urb(0, GFP_ATOMIC);
1312 if (!devinfo->ctl_urb) {
1313 brcmf_dbg(ERROR, "usb_alloc_urb (ctl) failed\n");
1316 devinfo->rxctl_deferrespok = 0;
1318 devinfo->bulk_urb = usb_alloc_urb(0, GFP_ATOMIC);
1319 if (!devinfo->bulk_urb) {
1320 brcmf_dbg(ERROR, "usb_alloc_urb (bulk) failed\n");
1324 init_waitqueue_head(&devinfo->wait);
1325 if (!brcmf_usb_dlneeded(devinfo))
1326 return &devinfo->bus_pub;
1328 brcmf_dbg(TRACE, "start fw downloading\n");
1329 if (brcmf_usb_get_fw(devinfo))
1332 if (brcmf_usb_fw_download(devinfo))
1335 return &devinfo->bus_pub;
1338 brcmf_dbg(ERROR, "failed!\n");
1339 brcmf_usb_detach(&devinfo->bus_pub);
1343 static int brcmf_usb_probe_cb(struct device *dev, const char *desc,
1344 u32 bustype, u32 hdrlen)
1346 struct brcmf_bus *bus = NULL;
1347 struct brcmf_usbdev *bus_pub = NULL;
1351 bus_pub = brcmf_usb_attach(BRCMF_USB_NRXQ, BRCMF_USB_NTXQ, dev);
1357 bus = kzalloc(sizeof(struct brcmf_bus), GFP_ATOMIC);
1364 bus->brcmf_bus_txdata = brcmf_usb_tx;
1365 bus->brcmf_bus_init = brcmf_usb_up;
1366 bus->brcmf_bus_stop = brcmf_usb_down;
1367 bus->brcmf_bus_txctl = brcmf_usb_tx_ctlpkt;
1368 bus->brcmf_bus_rxctl = brcmf_usb_rx_ctlpkt;
1369 bus->type = bustype;
1370 bus->bus_priv.usb = bus_pub;
1371 dev_set_drvdata(dev, bus);
1373 /* Attach to the common driver interface */
1374 ret = brcmf_attach(hdrlen, dev);
1376 brcmf_dbg(ERROR, "dhd_attach failed\n");
1380 ret = brcmf_bus_start(dev);
1381 if (ret == -ENOLINK) {
1382 brcmf_dbg(ERROR, "dongle is not responding\n");
1389 /* Release resources in reverse order */
1391 brcmf_usb_detach(bus_pub);
1397 brcmf_usb_disconnect_cb(struct brcmf_usbdev *bus_pub)
1401 brcmf_dbg(TRACE, "enter: bus_pub %p\n", bus_pub);
1403 brcmf_detach(bus_pub->devinfo->dev);
1404 kfree(bus_pub->bus);
1405 brcmf_usb_detach(bus_pub);
1410 brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
1413 struct usb_endpoint_descriptor *endpoint;
1415 struct usb_device *usb = interface_to_usbdev(intf);
1419 brcmf_dbg(TRACE, "enter\n");
1421 usbdev_probe_info.usb = usb;
1422 usbdev_probe_info.intf = intf;
1425 usbdev_probe_info.vid = id->idVendor;
1426 usbdev_probe_info.pid = id->idProduct;
1429 usb_set_intfdata(intf, &usbdev_probe_info);
1431 /* Check that the device supports only one configuration */
1432 if (usb->descriptor.bNumConfigurations != 1) {
1437 if (usb->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) {
1443 * Only the BDC interface configuration is supported:
1444 * Device class: USB_CLASS_VENDOR_SPEC
1445 * if0 class: USB_CLASS_VENDOR_SPEC
1448 * if0/ep2: bulk out (ok if swapped with bulk in)
1450 if (CONFIGDESC(usb)->bNumInterfaces != 1) {
1455 /* Check interface */
1456 if (IFDESC(usb, CONTROL_IF).bInterfaceClass != USB_CLASS_VENDOR_SPEC ||
1457 IFDESC(usb, CONTROL_IF).bInterfaceSubClass != 2 ||
1458 IFDESC(usb, CONTROL_IF).bInterfaceProtocol != 0xff) {
1459 brcmf_dbg(ERROR, "invalid control interface: class %d, subclass %d, proto %d\n",
1460 IFDESC(usb, CONTROL_IF).bInterfaceClass,
1461 IFDESC(usb, CONTROL_IF).bInterfaceSubClass,
1462 IFDESC(usb, CONTROL_IF).bInterfaceProtocol);
1467 /* Check control endpoint */
1468 endpoint = &IFEPDESC(usb, CONTROL_IF, 0);
1469 if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
1470 != USB_ENDPOINT_XFER_INT) {
1471 brcmf_dbg(ERROR, "invalid control endpoint %d\n",
1472 endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK);
1477 endpoint_num = endpoint->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
1478 usbdev_probe_info.intr_pipe = usb_rcvintpipe(usb, endpoint_num);
1480 usbdev_probe_info.rx_pipe = 0;
1481 usbdev_probe_info.rx_pipe2 = 0;
1482 usbdev_probe_info.tx_pipe = 0;
1483 num_of_eps = IFDESC(usb, BULK_IF).bNumEndpoints - 1;
1485 /* Check data endpoints and get pipes */
1486 for (ep = 1; ep <= num_of_eps; ep++) {
1487 endpoint = &IFEPDESC(usb, BULK_IF, ep);
1488 if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) !=
1489 USB_ENDPOINT_XFER_BULK) {
1490 brcmf_dbg(ERROR, "invalid data endpoint %d\n", ep);
1495 endpoint_num = endpoint->bEndpointAddress &
1496 USB_ENDPOINT_NUMBER_MASK;
1497 if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
1499 if (!usbdev_probe_info.rx_pipe) {
1500 usbdev_probe_info.rx_pipe =
1501 usb_rcvbulkpipe(usb, endpoint_num);
1503 usbdev_probe_info.rx_pipe2 =
1504 usb_rcvbulkpipe(usb, endpoint_num);
1507 usbdev_probe_info.tx_pipe =
1508 usb_sndbulkpipe(usb, endpoint_num);
1512 /* Allocate interrupt URB and data buffer */
1513 /* RNDIS says 8-byte intr, our old drivers used 4-byte */
1514 if (IFEPDESC(usb, CONTROL_IF, 0).wMaxPacketSize == cpu_to_le16(16))
1515 usbdev_probe_info.intr_size = 8;
1517 usbdev_probe_info.intr_size = 4;
1519 usbdev_probe_info.interval = IFEPDESC(usb, CONTROL_IF, 0).bInterval;
1521 usbdev_probe_info.device_speed = usb->speed;
1522 if (usb->speed == USB_SPEED_HIGH)
1523 brcmf_dbg(INFO, "Broadcom high speed USB wireless device detected\n");
1525 brcmf_dbg(INFO, "Broadcom full speed USB wireless device detected\n");
1527 ret = brcmf_usb_probe_cb(&usb->dev, "", USB_BUS, 0);
1535 brcmf_dbg(ERROR, "failed with errno %d\n", ret);
1536 usb_set_intfdata(intf, NULL);
1542 brcmf_usb_disconnect(struct usb_interface *intf)
1544 struct usb_device *usb = interface_to_usbdev(intf);
1546 brcmf_dbg(TRACE, "enter\n");
1547 brcmf_usb_disconnect_cb(brcmf_usb_get_buspub(&usb->dev));
1548 usb_set_intfdata(intf, NULL);
1552 * only need to signal the bus being down and update the suspend state.
1554 static int brcmf_usb_suspend(struct usb_interface *intf, pm_message_t state)
1556 struct usb_device *usb = interface_to_usbdev(intf);
1557 struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev);
1559 brcmf_dbg(TRACE, "enter\n");
1560 devinfo->bus_pub.state = BCMFMAC_USB_STATE_DOWN;
1561 devinfo->suspend_state = USBOS_SUSPEND_STATE_SUSPENDED;
1566 * mark suspend state active and crank up the bus.
1568 static int brcmf_usb_resume(struct usb_interface *intf)
1570 struct usb_device *usb = interface_to_usbdev(intf);
1571 struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev);
1573 brcmf_dbg(TRACE, "enter\n");
1574 devinfo->suspend_state = USBOS_SUSPEND_STATE_DEVICE_ACTIVE;
1575 brcmf_bus_start(&usb->dev);
1579 #define BRCMF_USB_VENDOR_ID_BROADCOM 0x0a5c
1580 #define BRCMF_USB_DEVICE_ID_43236 0xbd17
1581 #define BRCMF_USB_DEVICE_ID_BCMFW 0x0bdc
1583 static struct usb_device_id brcmf_usb_devid_table[] = {
1584 { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_43236) },
1585 /* special entry for device with firmware loaded and running */
1586 { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_BCMFW) },
1589 MODULE_DEVICE_TABLE(usb, brcmf_usb_devid_table);
1590 MODULE_FIRMWARE(BRCMF_USB_43236_FW_NAME);
1592 /* TODO: suspend and resume entries */
1593 static struct usb_driver brcmf_usbdrvr = {
1594 .name = KBUILD_MODNAME,
1595 .probe = brcmf_usb_probe,
1596 .disconnect = brcmf_usb_disconnect,
1597 .id_table = brcmf_usb_devid_table,
1598 .suspend = brcmf_usb_suspend,
1599 .resume = brcmf_usb_resume,
1600 .supports_autosuspend = 1,
1601 .disable_hub_initiated_lpm = 1,
1604 void brcmf_usb_exit(void)
1606 usb_deregister(&brcmf_usbdrvr);
1607 vfree(g_image.data);
1608 g_image.data = NULL;
1612 void brcmf_usb_init(void)
1614 usb_register(&brcmf_usbdrvr);