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71bb244b AS |
1 | /* |
2 | * Copyright (c) 2011 Broadcom Corporation | |
3 | * | |
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. | |
7 | * | |
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. | |
15 | */ | |
16 | ||
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> | |
27 | #include <linux/fs.h> | |
28 | #include <linux/uaccess.h> | |
29 | #include <linux/firmware.h> | |
30 | #include <linux/usb.h> | |
edb9bc9a | 31 | #include <linux/vmalloc.h> |
71bb244b AS |
32 | #include <net/cfg80211.h> |
33 | ||
34 | #include <defs.h> | |
35 | #include <brcmu_utils.h> | |
36 | #include <brcmu_wifi.h> | |
37 | #include <dhd_bus.h> | |
38 | #include <dhd_dbg.h> | |
39 | ||
40 | #include "usb_rdl.h" | |
41 | #include "usb.h" | |
42 | ||
43 | #define IOCTL_RESP_TIMEOUT 2000 | |
44 | ||
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) */ | |
48 | ||
49 | #define BRCMF_POSTBOOT_ID 0xA123 /* ID to detect if dongle | |
50 | has boot up */ | |
51 | #define BRCMF_USB_RESETCFG_SPINWAIT 1 /* wait after resetcfg (ms) */ | |
52 | ||
53 | #define BRCMF_USB_NRXQ 50 | |
54 | #define BRCMF_USB_NTXQ 50 | |
55 | ||
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 | |
61 | ||
62 | #define CONTROL_IF 0 | |
63 | #define BULK_IF 0 | |
64 | ||
65 | #define BRCMF_USB_CBCTL_WRITE 0 | |
66 | #define BRCMF_USB_CBCTL_READ 1 | |
67 | #define BRCMF_USB_MAX_PKT_SIZE 1600 | |
68 | ||
fda82417 | 69 | #define BRCMF_USB_43236_FW_NAME "brcm/brcmfmac43236b.bin" |
71bb244b AS |
70 | |
71 | enum usbdev_suspend_state { | |
72 | USBOS_SUSPEND_STATE_DEVICE_ACTIVE = 0, /* Device is busy, won't allow | |
73 | suspend */ | |
74 | USBOS_SUSPEND_STATE_SUSPEND_PENDING, /* Device is idle, can be | |
75 | * suspended. Wating PM to | |
76 | * suspend the device | |
77 | */ | |
78 | USBOS_SUSPEND_STATE_SUSPENDED /* Device suspended */ | |
79 | }; | |
80 | ||
81 | struct brcmf_usb_probe_info { | |
82 | void *usbdev_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 */ | |
87 | int vid; | |
88 | int pid; | |
89 | enum usb_device_speed device_speed; | |
90 | enum usbdev_suspend_state suspend_state; | |
91 | struct usb_interface *intf; | |
92 | }; | |
93 | static struct brcmf_usb_probe_info usbdev_probe_info; | |
94 | ||
95 | struct brcmf_usb_image { | |
96 | void *data; | |
97 | u32 len; | |
98 | }; | |
99 | static struct brcmf_usb_image g_image = { NULL, 0 }; | |
100 | ||
101 | struct intr_transfer_buf { | |
102 | u32 notification; | |
103 | u32 reserved; | |
104 | }; | |
105 | ||
106 | struct brcmf_usbdev_info { | |
107 | struct brcmf_usbdev bus_pub; /* MUST BE FIRST */ | |
108 | spinlock_t qlock; | |
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; | |
115 | ||
116 | bool activity; | |
117 | int rx_low_watermark; | |
118 | int tx_low_watermark; | |
119 | int tx_high_watermark; | |
120 | bool txoff; | |
121 | bool rxoff; | |
122 | bool txoverride; | |
123 | ||
124 | struct brcmf_usbreq *tx_reqs; | |
125 | struct brcmf_usbreq *rx_reqs; | |
126 | ||
127 | u8 *image; /* buffer for combine fw and nvram */ | |
128 | int image_len; | |
129 | ||
130 | wait_queue_head_t wait; | |
131 | bool waitdone; | |
132 | int sync_urb_status; | |
133 | ||
134 | struct usb_device *usbdev; | |
135 | struct device *dev; | |
136 | enum usb_device_speed device_speed; | |
137 | ||
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; | |
143 | int ctl_urb_status; | |
144 | int ctl_completed; | |
145 | wait_queue_head_t ioctl_resp_wait; | |
146 | wait_queue_head_t ctrl_wait; | |
147 | ulong ctl_op; | |
148 | ||
149 | bool rxctl_deferrespok; | |
150 | ||
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 */ | |
156 | ||
157 | struct brcmf_usb_probe_info probe_info; | |
158 | ||
159 | }; | |
160 | ||
161 | static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, | |
162 | struct brcmf_usbreq *req); | |
163 | ||
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"); | |
168 | ||
169 | static struct brcmf_usbdev *brcmf_usb_get_buspub(struct device *dev) | |
170 | { | |
171 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
172 | return bus_if->bus_priv.usb; | |
173 | } | |
174 | ||
175 | static struct brcmf_usbdev_info *brcmf_usb_get_businfo(struct device *dev) | |
176 | { | |
177 | return brcmf_usb_get_buspub(dev)->devinfo; | |
178 | } | |
179 | ||
180 | #if 0 | |
181 | static void | |
182 | brcmf_usb_txflowcontrol(struct brcmf_usbdev_info *devinfo, bool onoff) | |
183 | { | |
184 | dhd_txflowcontrol(devinfo->bus_pub.netdev, 0, onoff); | |
185 | } | |
186 | #endif | |
187 | ||
188 | static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info *devinfo, | |
189 | uint *condition, bool *pending) | |
190 | { | |
191 | DECLARE_WAITQUEUE(wait, current); | |
192 | int timeout = IOCTL_RESP_TIMEOUT; | |
193 | ||
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); | |
199 | ||
200 | smp_mb(); | |
201 | while (!(*condition) && (!signal_pending(current) && timeout)) { | |
202 | timeout = schedule_timeout(timeout); | |
203 | /* Wait until control frame is available */ | |
204 | smp_mb(); | |
205 | } | |
206 | ||
207 | if (signal_pending(current)) | |
208 | *pending = true; | |
209 | ||
210 | set_current_state(TASK_RUNNING); | |
211 | remove_wait_queue(&devinfo->ioctl_resp_wait, &wait); | |
212 | ||
213 | return timeout; | |
214 | } | |
215 | ||
216 | static int brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo) | |
217 | { | |
218 | if (waitqueue_active(&devinfo->ioctl_resp_wait)) | |
219 | wake_up_interruptible(&devinfo->ioctl_resp_wait); | |
220 | ||
221 | return 0; | |
222 | } | |
223 | ||
224 | static void | |
225 | brcmf_usb_ctl_complete(struct brcmf_usbdev_info *devinfo, int type, int status) | |
226 | { | |
227 | ||
228 | if (unlikely(devinfo == NULL)) | |
229 | return; | |
230 | ||
231 | if (type == BRCMF_USB_CBCTL_READ) { | |
232 | if (status == 0) | |
233 | devinfo->bus_pub.stats.rx_ctlpkts++; | |
234 | else | |
235 | devinfo->bus_pub.stats.rx_ctlerrs++; | |
236 | } else if (type == BRCMF_USB_CBCTL_WRITE) { | |
237 | if (status == 0) | |
238 | devinfo->bus_pub.stats.tx_ctlpkts++; | |
239 | else | |
240 | devinfo->bus_pub.stats.tx_ctlerrs++; | |
241 | } | |
242 | ||
243 | devinfo->ctl_urb_status = status; | |
244 | devinfo->ctl_completed = true; | |
245 | brcmf_usb_ioctl_resp_wake(devinfo); | |
246 | } | |
247 | ||
248 | static void | |
249 | brcmf_usb_ctlread_complete(struct urb *urb) | |
250 | { | |
251 | struct brcmf_usbdev_info *devinfo = | |
252 | (struct brcmf_usbdev_info *)urb->context; | |
253 | ||
254 | devinfo->ctl_urb_actual_length = urb->actual_length; | |
255 | brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_READ, | |
256 | urb->status); | |
257 | } | |
258 | ||
259 | static void | |
260 | brcmf_usb_ctlwrite_complete(struct urb *urb) | |
261 | { | |
262 | struct brcmf_usbdev_info *devinfo = | |
263 | (struct brcmf_usbdev_info *)urb->context; | |
264 | ||
265 | brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_WRITE, | |
266 | urb->status); | |
267 | } | |
268 | ||
269 | static int brcmf_usb_pnp(struct brcmf_usbdev_info *devinfo, uint state) | |
270 | { | |
271 | return 0; | |
272 | } | |
273 | ||
274 | static int | |
275 | brcmf_usb_send_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) | |
276 | { | |
277 | int ret; | |
278 | u16 size; | |
279 | ||
280 | if (devinfo == NULL || buf == NULL || | |
281 | len == 0 || devinfo->ctl_urb == NULL) | |
282 | return -EINVAL; | |
283 | ||
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"); | |
288 | return -EIO; | |
289 | } | |
290 | ||
291 | devinfo->activity = true; | |
292 | size = len; | |
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; | |
297 | ||
298 | usb_fill_control_urb(devinfo->ctl_urb, | |
299 | devinfo->usbdev, | |
300 | devinfo->ctl_out_pipe, | |
301 | (unsigned char *) &devinfo->ctl_write, | |
302 | buf, size, | |
303 | (usb_complete_t)brcmf_usb_ctlwrite_complete, | |
304 | devinfo); | |
305 | ||
306 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); | |
307 | if (ret < 0) | |
308 | brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret); | |
309 | ||
310 | return ret; | |
311 | } | |
312 | ||
313 | static int | |
314 | brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) | |
315 | { | |
316 | int ret; | |
317 | u16 size; | |
318 | ||
319 | if ((devinfo == NULL) || (buf == NULL) || (len == 0) | |
320 | || (devinfo->ctl_urb == NULL)) | |
321 | return -EINVAL; | |
322 | ||
323 | size = len; | |
324 | devinfo->ctl_read.wLength = cpu_to_le16p(&size); | |
325 | devinfo->ctl_urb->transfer_buffer_length = size; | |
326 | ||
327 | if (devinfo->rxctl_deferrespok) { | |
328 | /* BMAC model */ | |
329 | devinfo->ctl_read.bRequestType = USB_DIR_IN | |
330 | | USB_TYPE_VENDOR | USB_RECIP_INTERFACE; | |
331 | devinfo->ctl_read.bRequest = DL_DEFER_RESP_OK; | |
332 | } else { | |
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; | |
337 | } | |
338 | ||
339 | usb_fill_control_urb(devinfo->ctl_urb, | |
340 | devinfo->usbdev, | |
341 | devinfo->ctl_in_pipe, | |
342 | (unsigned char *) &devinfo->ctl_read, | |
343 | buf, size, | |
344 | (usb_complete_t)brcmf_usb_ctlread_complete, | |
345 | devinfo); | |
346 | ||
347 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); | |
348 | if (ret < 0) | |
349 | brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret); | |
350 | ||
351 | return ret; | |
352 | } | |
353 | ||
354 | static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len) | |
355 | { | |
356 | int err = 0; | |
357 | int timeout = 0; | |
358 | bool pending; | |
359 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
360 | ||
361 | if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) { | |
362 | /* TODO: handle suspend/resume */ | |
363 | return -EIO; | |
364 | } | |
365 | ||
366 | if (test_and_set_bit(0, &devinfo->ctl_op)) | |
367 | return -EIO; | |
368 | ||
a77f5747 | 369 | devinfo->ctl_completed = false; |
71bb244b AS |
370 | err = brcmf_usb_send_ctl(devinfo, buf, len); |
371 | if (err) { | |
372 | brcmf_dbg(ERROR, "fail %d bytes: %d\n", err, len); | |
373 | return err; | |
374 | } | |
375 | ||
71bb244b AS |
376 | timeout = brcmf_usb_ioctl_resp_wait(devinfo, &devinfo->ctl_completed, |
377 | &pending); | |
378 | clear_bit(0, &devinfo->ctl_op); | |
379 | if (!timeout) { | |
380 | brcmf_dbg(ERROR, "Txctl wait timed out\n"); | |
381 | err = -EIO; | |
382 | } | |
383 | return err; | |
384 | } | |
385 | ||
386 | static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len) | |
387 | { | |
388 | int err = 0; | |
389 | int timeout = 0; | |
390 | bool pending; | |
391 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
392 | ||
393 | if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) { | |
394 | /* TODO: handle suspend/resume */ | |
395 | return -EIO; | |
396 | } | |
397 | if (test_and_set_bit(0, &devinfo->ctl_op)) | |
398 | return -EIO; | |
399 | ||
400 | err = brcmf_usb_recv_ctl(devinfo, buf, len); | |
401 | if (err) { | |
402 | brcmf_dbg(ERROR, "fail %d bytes: %d\n", err, len); | |
403 | return err; | |
404 | } | |
405 | devinfo->ctl_completed = false; | |
406 | timeout = brcmf_usb_ioctl_resp_wait(devinfo, &devinfo->ctl_completed, | |
407 | &pending); | |
408 | err = devinfo->ctl_urb_status; | |
409 | clear_bit(0, &devinfo->ctl_op); | |
410 | if (!timeout) { | |
411 | brcmf_dbg(ERROR, "rxctl wait timed out\n"); | |
412 | err = -EIO; | |
413 | } | |
414 | if (!err) | |
415 | return devinfo->ctl_urb_actual_length; | |
416 | else | |
417 | return err; | |
418 | } | |
419 | ||
420 | static struct brcmf_usbreq *brcmf_usb_deq(struct brcmf_usbdev_info *devinfo, | |
421 | struct list_head *q) | |
422 | { | |
423 | unsigned long flags; | |
424 | struct brcmf_usbreq *req; | |
425 | spin_lock_irqsave(&devinfo->qlock, flags); | |
426 | if (list_empty(q)) { | |
427 | spin_unlock_irqrestore(&devinfo->qlock, flags); | |
428 | return NULL; | |
429 | } | |
430 | req = list_entry(q->next, struct brcmf_usbreq, list); | |
431 | list_del_init(q->next); | |
432 | spin_unlock_irqrestore(&devinfo->qlock, flags); | |
433 | return req; | |
434 | ||
435 | } | |
436 | ||
437 | static void brcmf_usb_enq(struct brcmf_usbdev_info *devinfo, | |
438 | struct list_head *q, struct brcmf_usbreq *req) | |
439 | { | |
440 | unsigned long flags; | |
441 | spin_lock_irqsave(&devinfo->qlock, flags); | |
442 | list_add_tail(&req->list, q); | |
443 | spin_unlock_irqrestore(&devinfo->qlock, flags); | |
444 | } | |
445 | ||
446 | static struct brcmf_usbreq * | |
447 | brcmf_usbdev_qinit(struct list_head *q, int qsize) | |
448 | { | |
449 | int i; | |
450 | struct brcmf_usbreq *req, *reqs; | |
451 | ||
452 | reqs = kzalloc(sizeof(struct brcmf_usbreq) * qsize, GFP_ATOMIC); | |
453 | if (reqs == NULL) { | |
454 | brcmf_dbg(ERROR, "fail to allocate memory!\n"); | |
455 | return NULL; | |
456 | } | |
457 | req = reqs; | |
458 | ||
459 | for (i = 0; i < qsize; i++) { | |
460 | req->urb = usb_alloc_urb(0, GFP_ATOMIC); | |
461 | if (!req->urb) | |
462 | goto fail; | |
463 | ||
464 | INIT_LIST_HEAD(&req->list); | |
465 | list_add_tail(&req->list, q); | |
466 | req++; | |
467 | } | |
468 | return reqs; | |
469 | fail: | |
470 | brcmf_dbg(ERROR, "fail!\n"); | |
471 | while (!list_empty(q)) { | |
472 | req = list_entry(q->next, struct brcmf_usbreq, list); | |
473 | if (req && req->urb) | |
474 | usb_free_urb(req->urb); | |
475 | list_del(q->next); | |
476 | } | |
477 | return NULL; | |
478 | ||
479 | } | |
480 | ||
481 | static void brcmf_usb_free_q(struct list_head *q, bool pending) | |
482 | { | |
483 | struct brcmf_usbreq *req, *next; | |
484 | int i = 0; | |
485 | list_for_each_entry_safe(req, next, q, list) { | |
d4ca0099 | 486 | if (!req->urb) { |
71bb244b AS |
487 | brcmf_dbg(ERROR, "bad req\n"); |
488 | break; | |
489 | } | |
490 | i++; | |
491 | if (pending) { | |
492 | usb_kill_urb(req->urb); | |
493 | } else { | |
494 | usb_free_urb(req->urb); | |
495 | list_del_init(&req->list); | |
496 | } | |
497 | } | |
498 | } | |
499 | ||
500 | static void brcmf_usb_del_fromq(struct brcmf_usbdev_info *devinfo, | |
501 | struct brcmf_usbreq *req) | |
502 | { | |
503 | unsigned long flags; | |
504 | ||
505 | spin_lock_irqsave(&devinfo->qlock, flags); | |
506 | list_del_init(&req->list); | |
507 | spin_unlock_irqrestore(&devinfo->qlock, flags); | |
508 | } | |
509 | ||
510 | ||
511 | static void brcmf_usb_tx_complete(struct urb *urb) | |
512 | { | |
513 | struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; | |
514 | struct brcmf_usbdev_info *devinfo = req->devinfo; | |
515 | ||
516 | brcmf_usb_del_fromq(devinfo, req); | |
517 | if (urb->status == 0) | |
1d9c1796 | 518 | devinfo->bus_pub.bus->dstats.tx_packets++; |
71bb244b | 519 | else |
1d9c1796 | 520 | devinfo->bus_pub.bus->dstats.tx_errors++; |
71bb244b AS |
521 | |
522 | dev_kfree_skb(req->skb); | |
523 | req->skb = NULL; | |
524 | brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req); | |
525 | ||
526 | } | |
527 | ||
528 | static void brcmf_usb_rx_complete(struct urb *urb) | |
529 | { | |
530 | struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; | |
531 | struct brcmf_usbdev_info *devinfo = req->devinfo; | |
532 | struct sk_buff *skb; | |
533 | int ifidx = 0; | |
534 | ||
535 | brcmf_usb_del_fromq(devinfo, req); | |
536 | skb = req->skb; | |
537 | req->skb = NULL; | |
538 | ||
539 | if (urb->status == 0) { | |
1d9c1796 | 540 | devinfo->bus_pub.bus->dstats.rx_packets++; |
71bb244b | 541 | } else { |
1d9c1796 | 542 | devinfo->bus_pub.bus->dstats.rx_errors++; |
71bb244b AS |
543 | dev_kfree_skb(skb); |
544 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req); | |
545 | return; | |
546 | } | |
547 | ||
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++; | |
554 | } else { | |
555 | brcmf_rx_packet(devinfo->dev, ifidx, skb); | |
556 | brcmf_usb_rx_refill(devinfo, req); | |
557 | } | |
558 | } else { | |
559 | dev_kfree_skb(skb); | |
560 | } | |
561 | return; | |
562 | ||
563 | } | |
564 | ||
565 | static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, | |
566 | struct brcmf_usbreq *req) | |
567 | { | |
568 | struct sk_buff *skb; | |
569 | int ret; | |
570 | ||
571 | if (!req || !devinfo) | |
572 | return; | |
573 | ||
574 | skb = dev_alloc_skb(devinfo->bus_pub.bus_mtu); | |
575 | if (!skb) { | |
576 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req); | |
577 | return; | |
578 | } | |
579 | req->skb = skb; | |
580 | ||
581 | usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->rx_pipe, | |
582 | skb->data, skb_tailroom(skb), brcmf_usb_rx_complete, | |
583 | req); | |
584 | req->urb->transfer_flags |= URB_ZERO_PACKET; | |
585 | req->devinfo = devinfo; | |
586 | ||
587 | ret = usb_submit_urb(req->urb, GFP_ATOMIC); | |
588 | if (ret == 0) { | |
589 | brcmf_usb_enq(devinfo, &devinfo->rx_postq, req); | |
590 | } else { | |
591 | dev_kfree_skb(req->skb); | |
592 | req->skb = NULL; | |
593 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req); | |
594 | } | |
595 | return; | |
596 | } | |
597 | ||
598 | static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info *devinfo) | |
599 | { | |
600 | struct brcmf_usbreq *req; | |
601 | ||
602 | if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) { | |
603 | brcmf_dbg(ERROR, "bus is not up\n"); | |
604 | return; | |
605 | } | |
606 | while ((req = brcmf_usb_deq(devinfo, &devinfo->rx_freeq)) != NULL) | |
607 | brcmf_usb_rx_refill(devinfo, req); | |
608 | } | |
609 | ||
610 | static void | |
611 | brcmf_usb_state_change(struct brcmf_usbdev_info *devinfo, int state) | |
612 | { | |
613 | struct brcmf_bus *bcmf_bus = devinfo->bus_pub.bus; | |
614 | int old_state; | |
615 | ||
616 | ||
617 | if (devinfo->bus_pub.state == state) | |
618 | return; | |
619 | ||
620 | old_state = devinfo->bus_pub.state; | |
621 | brcmf_dbg(TRACE, "dbus state change from %d to to %d\n", | |
622 | old_state, state); | |
623 | ||
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; | |
627 | ||
628 | if ((old_state == BCMFMAC_USB_STATE_SLEEP) | |
629 | && (state == BCMFMAC_USB_STATE_UP)) { | |
630 | brcmf_usb_rx_fill_all(devinfo); | |
631 | } | |
632 | ||
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; | |
637 | } else { | |
638 | brcmf_dbg(INFO, "DBUS current state=%d\n", state); | |
639 | } | |
640 | } | |
641 | ||
642 | static void | |
643 | brcmf_usb_intr_complete(struct urb *urb) | |
644 | { | |
645 | struct brcmf_usbdev_info *devinfo = | |
646 | (struct brcmf_usbdev_info *)urb->context; | |
647 | bool killed; | |
648 | ||
649 | if (devinfo == NULL) | |
650 | return; | |
651 | ||
652 | if (unlikely(urb->status)) { | |
653 | if (devinfo->suspend_state == | |
654 | USBOS_SUSPEND_STATE_SUSPEND_PENDING) | |
655 | killed = true; | |
656 | ||
657 | if ((urb->status == -ENOENT && (!killed)) | |
658 | || urb->status == -ESHUTDOWN || | |
659 | urb->status == -ENODEV) { | |
660 | brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_DOWN); | |
661 | } | |
662 | } | |
663 | ||
664 | if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_DOWN) { | |
665 | brcmf_dbg(ERROR, "intr cb when DBUS down, ignoring\n"); | |
666 | return; | |
667 | } | |
668 | ||
669 | if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP) | |
670 | usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC); | |
671 | } | |
672 | ||
673 | static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb) | |
674 | { | |
675 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
676 | struct brcmf_usbreq *req; | |
677 | int ret; | |
678 | ||
679 | if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) { | |
680 | /* TODO: handle suspend/resume */ | |
681 | return -EIO; | |
682 | } | |
683 | ||
684 | req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq); | |
685 | if (!req) { | |
686 | brcmf_dbg(ERROR, "no req to send\n"); | |
687 | return -ENOMEM; | |
688 | } | |
689 | if (!req->urb) { | |
690 | brcmf_dbg(ERROR, "no urb for req %p\n", req); | |
691 | return -ENOBUFS; | |
692 | } | |
693 | ||
694 | req->skb = skb; | |
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); | |
700 | if (!ret) { | |
701 | brcmf_usb_enq(devinfo, &devinfo->tx_postq, req); | |
702 | } else { | |
703 | req->skb = NULL; | |
704 | brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req); | |
705 | } | |
706 | ||
707 | return ret; | |
708 | } | |
709 | ||
710 | ||
711 | static int brcmf_usb_up(struct device *dev) | |
712 | { | |
713 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
714 | u16 ifnum; | |
715 | ||
d4ca0099 DC |
716 | if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP) |
717 | return 0; | |
718 | ||
71bb244b AS |
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"); | |
723 | return -EIO; | |
724 | } | |
725 | } | |
726 | devinfo->activity = true; | |
727 | ||
728 | /* Success, indicate devinfo is fully up */ | |
729 | brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_UP); | |
730 | ||
731 | if (devinfo->intr_urb) { | |
732 | int ret; | |
733 | ||
734 | usb_fill_int_urb(devinfo->intr_urb, devinfo->usbdev, | |
735 | devinfo->intr_pipe, | |
736 | &devinfo->intr, | |
737 | devinfo->intr_size, | |
738 | (usb_complete_t)brcmf_usb_intr_complete, | |
739 | devinfo, | |
740 | devinfo->interval); | |
741 | ||
742 | ret = usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC); | |
743 | if (ret) { | |
744 | brcmf_dbg(ERROR, "USB_SUBMIT_URB failed with status %d\n", | |
745 | ret); | |
746 | return -EINVAL; | |
747 | } | |
748 | } | |
749 | ||
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); | |
753 | ||
754 | ifnum = IFDESC(devinfo->usbdev, CONTROL_IF).bInterfaceNumber; | |
755 | ||
756 | /* CTL Write */ | |
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); | |
762 | ||
763 | /* CTL Read */ | |
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); | |
769 | } | |
770 | brcmf_usb_rx_fill_all(devinfo); | |
771 | return 0; | |
772 | } | |
773 | ||
774 | static void brcmf_usb_down(struct device *dev) | |
775 | { | |
776 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
777 | ||
778 | if (devinfo == NULL) | |
779 | return; | |
780 | ||
781 | brcmf_dbg(TRACE, "enter\n"); | |
782 | if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_DOWN) | |
783 | return; | |
784 | ||
785 | brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_DOWN); | |
786 | if (devinfo->intr_urb) | |
787 | usb_kill_urb(devinfo->intr_urb); | |
788 | ||
789 | if (devinfo->ctl_urb) | |
790 | usb_kill_urb(devinfo->ctl_urb); | |
791 | ||
792 | if (devinfo->bulk_urb) | |
793 | usb_kill_urb(devinfo->bulk_urb); | |
794 | brcmf_usb_free_q(&devinfo->tx_postq, true); | |
795 | ||
796 | brcmf_usb_free_q(&devinfo->rx_postq, true); | |
797 | } | |
798 | ||
799 | static int | |
800 | brcmf_usb_sync_wait(struct brcmf_usbdev_info *devinfo, u16 time) | |
801 | { | |
802 | int ret; | |
803 | int err = 0; | |
804 | int ms = time; | |
805 | ||
806 | ret = wait_event_interruptible_timeout(devinfo->wait, | |
807 | devinfo->waitdone == true, (ms * HZ / 1000)); | |
808 | ||
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); | |
812 | err = -EINVAL; | |
813 | } | |
814 | devinfo->waitdone = false; | |
815 | return err; | |
816 | } | |
817 | ||
818 | static void | |
819 | brcmf_usb_sync_complete(struct urb *urb) | |
820 | { | |
821 | struct brcmf_usbdev_info *devinfo = | |
822 | (struct brcmf_usbdev_info *)urb->context; | |
823 | ||
824 | devinfo->waitdone = true; | |
825 | wake_up_interruptible(&devinfo->wait); | |
826 | devinfo->sync_urb_status = urb->status; | |
827 | } | |
828 | ||
829 | static bool brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd, | |
830 | void *buffer, int buflen) | |
831 | { | |
832 | int ret = 0; | |
833 | char *tmpbuf; | |
834 | u16 size; | |
835 | ||
836 | if ((!devinfo) || (devinfo->ctl_urb == NULL)) | |
837 | return false; | |
838 | ||
839 | tmpbuf = kmalloc(buflen, GFP_ATOMIC); | |
840 | if (!tmpbuf) | |
841 | return false; | |
842 | ||
843 | size = buflen; | |
844 | devinfo->ctl_urb->transfer_buffer_length = size; | |
845 | ||
846 | devinfo->ctl_read.wLength = cpu_to_le16p(&size); | |
847 | devinfo->ctl_read.bRequestType = USB_DIR_IN | USB_TYPE_VENDOR | | |
848 | USB_RECIP_INTERFACE; | |
849 | devinfo->ctl_read.bRequest = cmd; | |
850 | ||
851 | usb_fill_control_urb(devinfo->ctl_urb, | |
852 | devinfo->usbdev, | |
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); | |
857 | ||
858 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); | |
859 | if (ret < 0) { | |
860 | brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret); | |
861 | kfree(tmpbuf); | |
862 | return false; | |
863 | } | |
864 | ||
865 | ret = brcmf_usb_sync_wait(devinfo, BRCMF_USB_SYNC_TIMEOUT); | |
866 | memcpy(buffer, tmpbuf, buflen); | |
867 | kfree(tmpbuf); | |
868 | ||
869 | return (ret == 0); | |
870 | } | |
871 | ||
872 | static bool | |
873 | brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo) | |
874 | { | |
875 | struct bootrom_id_le id; | |
876 | u32 chipid, chiprev; | |
877 | ||
878 | brcmf_dbg(TRACE, "enter\n"); | |
879 | ||
880 | if (devinfo == NULL) | |
881 | return false; | |
882 | ||
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)); | |
887 | ||
888 | chipid = le32_to_cpu(id.chip); | |
889 | chiprev = le32_to_cpu(id.chiprev); | |
890 | ||
891 | if ((chipid & 0x4300) == 0x4300) | |
892 | brcmf_dbg(INFO, "chip %x rev 0x%x\n", chipid, chiprev); | |
893 | else | |
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)); | |
899 | return false; | |
900 | } else { | |
ac94f196 AS |
901 | devinfo->bus_pub.devid = chipid; |
902 | devinfo->bus_pub.chiprev = chiprev; | |
71bb244b AS |
903 | } |
904 | return true; | |
905 | } | |
906 | ||
907 | static int | |
908 | brcmf_usb_resetcfg(struct brcmf_usbdev_info *devinfo) | |
909 | { | |
910 | struct bootrom_id_le id; | |
911 | u16 wait = 0, wait_time; | |
912 | ||
913 | brcmf_dbg(TRACE, "enter\n"); | |
914 | ||
915 | if (devinfo == NULL) | |
916 | return -EINVAL; | |
917 | ||
918 | /* Give dongle chance to boot */ | |
919 | wait_time = BRCMF_USB_DLIMAGE_SPINWAIT; | |
920 | while (wait < BRCMF_USB_DLIMAGE_LIMIT) { | |
921 | mdelay(wait_time); | |
922 | wait += wait_time; | |
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)) | |
927 | break; | |
928 | } | |
929 | ||
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)); | |
933 | ||
934 | brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, | |
935 | sizeof(struct bootrom_id_le)); | |
936 | ||
937 | /* XXX this wait may not be necessary */ | |
938 | mdelay(BRCMF_USB_RESETCFG_SPINWAIT); | |
939 | return 0; | |
940 | } else { | |
941 | brcmf_dbg(ERROR, "Cannot talk to Dongle. Firmware is not UP, %d ms\n", | |
942 | wait); | |
943 | return -EINVAL; | |
944 | } | |
945 | } | |
946 | ||
947 | ||
948 | static int | |
949 | brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info *devinfo, void *buffer, int len) | |
950 | { | |
951 | int ret; | |
952 | ||
953 | if ((devinfo == NULL) || (devinfo->bulk_urb == NULL)) | |
954 | return -EINVAL; | |
955 | ||
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); | |
960 | ||
961 | devinfo->bulk_urb->transfer_flags |= URB_ZERO_PACKET; | |
962 | ||
963 | ret = usb_submit_urb(devinfo->bulk_urb, GFP_ATOMIC); | |
964 | if (ret) { | |
965 | brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret); | |
966 | return ret; | |
967 | } | |
968 | ret = brcmf_usb_sync_wait(devinfo, BRCMF_USB_SYNC_TIMEOUT); | |
969 | return ret; | |
970 | } | |
971 | ||
972 | static int | |
973 | brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen) | |
974 | { | |
975 | unsigned int sendlen, sent, dllen; | |
976 | char *bulkchunk = NULL, *dlpos; | |
977 | struct rdl_state_le state; | |
978 | u32 rdlstate, rdlbytes; | |
979 | int err = 0; | |
980 | brcmf_dbg(TRACE, "fw %p, len %d\n", fw, fwlen); | |
981 | ||
982 | bulkchunk = kmalloc(RDL_CHUNK, GFP_ATOMIC); | |
983 | if (bulkchunk == NULL) { | |
984 | err = -ENOMEM; | |
985 | goto fail; | |
986 | } | |
987 | ||
988 | /* 1) Prepare USB boot loader for runtime image */ | |
989 | brcmf_usb_dl_cmd(devinfo, DL_START, &state, | |
990 | sizeof(struct rdl_state_le)); | |
991 | ||
992 | rdlstate = le32_to_cpu(state.state); | |
993 | rdlbytes = le32_to_cpu(state.bytes); | |
994 | ||
995 | /* 2) Check we are in the Waiting state */ | |
996 | if (rdlstate != DL_WAITING) { | |
997 | brcmf_dbg(ERROR, "Failed to DL_START\n"); | |
998 | err = -EINVAL; | |
999 | goto fail; | |
1000 | } | |
1001 | sent = 0; | |
1002 | dlpos = fw; | |
1003 | dllen = fwlen; | |
1004 | ||
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; | |
1012 | else | |
1013 | sendlen = RDL_CHUNK; | |
1014 | ||
1015 | /* simply avoid having to send a ZLP by ensuring we | |
1016 | * never have an even | |
1017 | * multiple of 64 | |
1018 | */ | |
1019 | if (!(sendlen % 64)) | |
1020 | sendlen -= 4; | |
1021 | ||
1022 | /* send data */ | |
1023 | memcpy(bulkchunk, dlpos, sendlen); | |
1024 | if (brcmf_usb_dl_send_bulk(devinfo, bulkchunk, | |
1025 | sendlen)) { | |
1026 | brcmf_dbg(ERROR, "send_bulk failed\n"); | |
1027 | err = -EINVAL; | |
1028 | goto fail; | |
1029 | } | |
1030 | ||
1031 | dlpos += sendlen; | |
1032 | sent += sendlen; | |
1033 | } | |
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"); | |
1037 | err = -EINVAL; | |
1038 | goto fail; | |
1039 | } | |
1040 | ||
1041 | rdlstate = le32_to_cpu(state.state); | |
1042 | rdlbytes = le32_to_cpu(state.bytes); | |
1043 | ||
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", | |
1047 | rdlstate); | |
1048 | err = -EINVAL; | |
1049 | goto fail; | |
1050 | } | |
1051 | } | |
1052 | ||
1053 | fail: | |
1054 | kfree(bulkchunk); | |
1055 | brcmf_dbg(TRACE, "err=%d\n", err); | |
1056 | return err; | |
1057 | } | |
1058 | ||
1059 | static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len) | |
1060 | { | |
1061 | int err; | |
1062 | ||
1063 | brcmf_dbg(TRACE, "enter\n"); | |
1064 | ||
1065 | if (devinfo == NULL) | |
1066 | return -EINVAL; | |
1067 | ||
ac94f196 | 1068 | if (devinfo->bus_pub.devid == 0xDEAD) |
71bb244b AS |
1069 | return -EINVAL; |
1070 | ||
1071 | err = brcmf_usb_dl_writeimage(devinfo, fw, len); | |
1072 | if (err == 0) | |
1073 | devinfo->bus_pub.state = BCMFMAC_USB_STATE_DL_DONE; | |
1074 | else | |
1075 | devinfo->bus_pub.state = BCMFMAC_USB_STATE_DL_PENDING; | |
1076 | brcmf_dbg(TRACE, "exit: err=%d\n", err); | |
1077 | ||
1078 | return err; | |
1079 | } | |
1080 | ||
1081 | static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo) | |
1082 | { | |
1083 | struct rdl_state_le state; | |
1084 | ||
1085 | brcmf_dbg(TRACE, "enter\n"); | |
1086 | if (!devinfo) | |
1087 | return -EINVAL; | |
1088 | ||
ac94f196 | 1089 | if (devinfo->bus_pub.devid == 0xDEAD) |
71bb244b AS |
1090 | return -EINVAL; |
1091 | ||
1092 | /* Check we are runnable */ | |
1093 | brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, | |
1094 | sizeof(struct rdl_state_le)); | |
1095 | ||
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))) | |
1100 | return -ENODEV; | |
1101 | if (brcmf_usb_resetcfg(devinfo)) | |
1102 | return -ENODEV; | |
1103 | /* The Dongle may go for re-enumeration. */ | |
1104 | } else { | |
1105 | brcmf_dbg(ERROR, "Dongle not runnable\n"); | |
1106 | return -EINVAL; | |
1107 | } | |
1108 | brcmf_dbg(TRACE, "exit\n"); | |
1109 | return 0; | |
1110 | } | |
1111 | ||
1112 | static bool brcmf_usb_chip_support(int chipid, int chiprev) | |
1113 | { | |
1114 | switch(chipid) { | |
1115 | case 43235: | |
1116 | case 43236: | |
1117 | case 43238: | |
1118 | return (chiprev == 3); | |
1119 | default: | |
1120 | break; | |
1121 | } | |
1122 | return false; | |
1123 | } | |
1124 | ||
1125 | static int | |
1126 | brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo) | |
1127 | { | |
ac94f196 | 1128 | int devid, chiprev; |
71bb244b AS |
1129 | int err; |
1130 | ||
1131 | brcmf_dbg(TRACE, "enter\n"); | |
1132 | if (devinfo == NULL) | |
1133 | return -ENODEV; | |
1134 | ||
ac94f196 AS |
1135 | devid = devinfo->bus_pub.devid; |
1136 | chiprev = devinfo->bus_pub.chiprev; | |
71bb244b | 1137 | |
ac94f196 | 1138 | if (!brcmf_usb_chip_support(devid, chiprev)) { |
71bb244b | 1139 | brcmf_dbg(ERROR, "unsupported chip %d rev %d\n", |
ac94f196 | 1140 | devid, chiprev); |
71bb244b AS |
1141 | return -EINVAL; |
1142 | } | |
1143 | ||
1144 | if (!devinfo->image) { | |
1145 | brcmf_dbg(ERROR, "No firmware!\n"); | |
1146 | return -ENOENT; | |
1147 | } | |
1148 | ||
1149 | err = brcmf_usb_dlstart(devinfo, | |
1150 | devinfo->image, devinfo->image_len); | |
1151 | if (err == 0) | |
1152 | err = brcmf_usb_dlrun(devinfo); | |
1153 | return err; | |
1154 | } | |
1155 | ||
1156 | ||
1157 | static void brcmf_usb_detach(const struct brcmf_usbdev *bus_pub) | |
1158 | { | |
1159 | struct brcmf_usbdev_info *devinfo = | |
1160 | (struct brcmf_usbdev_info *)bus_pub; | |
1161 | ||
1162 | brcmf_dbg(TRACE, "devinfo %p\n", devinfo); | |
1163 | ||
1164 | /* store the image globally */ | |
1165 | g_image.data = devinfo->image; | |
1166 | g_image.len = devinfo->image_len; | |
1167 | ||
1168 | /* free the URBS */ | |
1169 | brcmf_usb_free_q(&devinfo->rx_freeq, false); | |
1170 | brcmf_usb_free_q(&devinfo->tx_freeq, false); | |
1171 | ||
1172 | usb_free_urb(devinfo->intr_urb); | |
1173 | usb_free_urb(devinfo->ctl_urb); | |
1174 | usb_free_urb(devinfo->bulk_urb); | |
1175 | ||
1176 | kfree(devinfo->tx_reqs); | |
1177 | kfree(devinfo->rx_reqs); | |
1178 | kfree(devinfo); | |
1179 | } | |
1180 | ||
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 */ | |
1187 | ||
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 | |
1194 | * header */ | |
1195 | }; | |
1196 | ||
1197 | static int check_file(const u8 *headers) | |
1198 | { | |
1199 | struct trx_header_le *trx; | |
1200 | int actual_len = -1; | |
1201 | ||
1202 | /* Extract trx header */ | |
1203 | trx = (struct trx_header_le *) headers; | |
1204 | if (trx->magic != cpu_to_le32(TRX_MAGIC)) | |
1205 | return -1; | |
1206 | ||
1207 | headers += sizeof(struct trx_header_le); | |
1208 | ||
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); | |
1212 | } | |
1213 | return -1; | |
1214 | } | |
1215 | ||
1216 | static int brcmf_usb_get_fw(struct brcmf_usbdev_info *devinfo) | |
1217 | { | |
1218 | s8 *fwname; | |
1219 | const struct firmware *fw; | |
1220 | int err; | |
1221 | ||
1222 | devinfo->image = g_image.data; | |
1223 | devinfo->image_len = g_image.len; | |
1224 | ||
1225 | /* | |
1226 | * if we have an image we can leave here. | |
1227 | */ | |
1228 | if (devinfo->image) | |
1229 | return 0; | |
1230 | ||
fda82417 | 1231 | fwname = BRCMF_USB_43236_FW_NAME; |
71bb244b AS |
1232 | |
1233 | err = request_firmware(&fw, fwname, devinfo->dev); | |
1234 | if (!fw) { | |
1235 | brcmf_dbg(ERROR, "fail to request firmware %s\n", fwname); | |
1236 | return err; | |
1237 | } | |
1238 | if (check_file(fw->data) < 0) { | |
1239 | brcmf_dbg(ERROR, "invalid firmware %s\n", fwname); | |
1240 | return -EINVAL; | |
1241 | } | |
1242 | ||
edb9bc9a | 1243 | devinfo->image = vmalloc(fw->size); /* plus nvram */ |
71bb244b AS |
1244 | if (!devinfo->image) |
1245 | return -ENOMEM; | |
1246 | ||
1247 | memcpy(devinfo->image, fw->data, fw->size); | |
1248 | devinfo->image_len = fw->size; | |
1249 | ||
1250 | release_firmware(fw); | |
1251 | return 0; | |
1252 | } | |
1253 | ||
1254 | ||
1255 | static | |
1256 | struct brcmf_usbdev *brcmf_usb_attach(int nrxq, int ntxq, struct device *dev) | |
1257 | { | |
1258 | struct brcmf_usbdev_info *devinfo; | |
1259 | ||
1260 | devinfo = kzalloc(sizeof(struct brcmf_usbdev_info), GFP_ATOMIC); | |
1261 | if (devinfo == NULL) | |
1262 | return NULL; | |
1263 | ||
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; | |
1268 | ||
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; | |
1272 | devinfo->dev = dev; | |
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; | |
1278 | ||
1279 | devinfo->interval = usbdev_probe_info.interval; | |
1280 | devinfo->intr_size = usbdev_probe_info.intr_size; | |
1281 | ||
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; | |
1285 | ||
1286 | /* Initialize other structure content */ | |
1287 | init_waitqueue_head(&devinfo->ioctl_resp_wait); | |
1288 | ||
1289 | /* Initialize the spinlocks */ | |
1290 | spin_lock_init(&devinfo->qlock); | |
1291 | ||
1292 | INIT_LIST_HEAD(&devinfo->rx_freeq); | |
1293 | INIT_LIST_HEAD(&devinfo->rx_postq); | |
1294 | ||
1295 | INIT_LIST_HEAD(&devinfo->tx_freeq); | |
1296 | INIT_LIST_HEAD(&devinfo->tx_postq); | |
1297 | ||
1298 | devinfo->rx_reqs = brcmf_usbdev_qinit(&devinfo->rx_freeq, nrxq); | |
1299 | if (!devinfo->rx_reqs) | |
1300 | goto error; | |
1301 | ||
1302 | devinfo->tx_reqs = brcmf_usbdev_qinit(&devinfo->tx_freeq, ntxq); | |
1303 | if (!devinfo->tx_reqs) | |
1304 | goto error; | |
1305 | ||
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"); | |
1309 | goto error; | |
1310 | } | |
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"); | |
1314 | goto error; | |
1315 | } | |
1316 | devinfo->rxctl_deferrespok = 0; | |
1317 | ||
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"); | |
1321 | goto error; | |
1322 | } | |
1323 | ||
1324 | init_waitqueue_head(&devinfo->wait); | |
1325 | if (!brcmf_usb_dlneeded(devinfo)) | |
1326 | return &devinfo->bus_pub; | |
1327 | ||
1328 | brcmf_dbg(TRACE, "start fw downloading\n"); | |
1329 | if (brcmf_usb_get_fw(devinfo)) | |
1330 | goto error; | |
1331 | ||
1332 | if (brcmf_usb_fw_download(devinfo)) | |
1333 | goto error; | |
1334 | ||
1335 | return &devinfo->bus_pub; | |
1336 | ||
1337 | error: | |
1338 | brcmf_dbg(ERROR, "failed!\n"); | |
1339 | brcmf_usb_detach(&devinfo->bus_pub); | |
1340 | return NULL; | |
1341 | } | |
1342 | ||
1343 | static int brcmf_usb_probe_cb(struct device *dev, const char *desc, | |
1344 | u32 bustype, u32 hdrlen) | |
1345 | { | |
1346 | struct brcmf_bus *bus = NULL; | |
1347 | struct brcmf_usbdev *bus_pub = NULL; | |
1348 | int ret; | |
1349 | ||
1350 | ||
1351 | bus_pub = brcmf_usb_attach(BRCMF_USB_NRXQ, BRCMF_USB_NTXQ, dev); | |
1352 | if (!bus_pub) { | |
1353 | ret = -ENODEV; | |
1354 | goto fail; | |
1355 | } | |
1356 | ||
1357 | bus = kzalloc(sizeof(struct brcmf_bus), GFP_ATOMIC); | |
1358 | if (!bus) { | |
1359 | ret = -ENOMEM; | |
1360 | goto fail; | |
1361 | } | |
1362 | ||
1363 | bus_pub->bus = bus; | |
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); | |
1372 | ||
1373 | /* Attach to the common driver interface */ | |
1374 | ret = brcmf_attach(hdrlen, dev); | |
1375 | if (ret) { | |
1376 | brcmf_dbg(ERROR, "dhd_attach failed\n"); | |
1377 | goto fail; | |
1378 | } | |
1379 | ||
1380 | ret = brcmf_bus_start(dev); | |
1381 | if (ret == -ENOLINK) { | |
1382 | brcmf_dbg(ERROR, "dongle is not responding\n"); | |
1383 | brcmf_detach(dev); | |
1384 | goto fail; | |
1385 | } | |
1386 | ||
71bb244b AS |
1387 | return 0; |
1388 | fail: | |
1389 | /* Release resources in reverse order */ | |
1390 | if (bus_pub) | |
1391 | brcmf_usb_detach(bus_pub); | |
1392 | kfree(bus); | |
1393 | return ret; | |
1394 | } | |
1395 | ||
1396 | static void | |
1397 | brcmf_usb_disconnect_cb(struct brcmf_usbdev *bus_pub) | |
1398 | { | |
1399 | if (!bus_pub) | |
1400 | return; | |
1401 | brcmf_dbg(TRACE, "enter: bus_pub %p\n", bus_pub); | |
1402 | ||
1403 | brcmf_detach(bus_pub->devinfo->dev); | |
1404 | kfree(bus_pub->bus); | |
1405 | brcmf_usb_detach(bus_pub); | |
1406 | ||
1407 | } | |
1408 | ||
1409 | static int | |
1410 | brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
1411 | { | |
1412 | int ep; | |
1413 | struct usb_endpoint_descriptor *endpoint; | |
1414 | int ret = 0; | |
1415 | struct usb_device *usb = interface_to_usbdev(intf); | |
1416 | int num_of_eps; | |
1417 | u8 endpoint_num; | |
1418 | ||
1419 | brcmf_dbg(TRACE, "enter\n"); | |
1420 | ||
1421 | usbdev_probe_info.usb = usb; | |
1422 | usbdev_probe_info.intf = intf; | |
1423 | ||
1424 | if (id != NULL) { | |
1425 | usbdev_probe_info.vid = id->idVendor; | |
1426 | usbdev_probe_info.pid = id->idProduct; | |
1427 | } | |
1428 | ||
1429 | usb_set_intfdata(intf, &usbdev_probe_info); | |
1430 | ||
1431 | /* Check that the device supports only one configuration */ | |
1432 | if (usb->descriptor.bNumConfigurations != 1) { | |
1433 | ret = -1; | |
1434 | goto fail; | |
1435 | } | |
1436 | ||
1437 | if (usb->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) { | |
1438 | ret = -1; | |
1439 | goto fail; | |
1440 | } | |
1441 | ||
1442 | /* | |
1443 | * Only the BDC interface configuration is supported: | |
1444 | * Device class: USB_CLASS_VENDOR_SPEC | |
1445 | * if0 class: USB_CLASS_VENDOR_SPEC | |
1446 | * if0/ep0: control | |
1447 | * if0/ep1: bulk in | |
1448 | * if0/ep2: bulk out (ok if swapped with bulk in) | |
1449 | */ | |
1450 | if (CONFIGDESC(usb)->bNumInterfaces != 1) { | |
1451 | ret = -1; | |
1452 | goto fail; | |
1453 | } | |
1454 | ||
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); | |
1463 | ret = -1; | |
1464 | goto fail; | |
1465 | } | |
1466 | ||
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); | |
1473 | ret = -1; | |
1474 | goto fail; | |
1475 | } | |
1476 | ||
1477 | endpoint_num = endpoint->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; | |
1478 | usbdev_probe_info.intr_pipe = usb_rcvintpipe(usb, endpoint_num); | |
1479 | ||
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; | |
1484 | ||
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); | |
1491 | ret = -1; | |
1492 | goto fail; | |
1493 | } | |
1494 | ||
1495 | endpoint_num = endpoint->bEndpointAddress & | |
1496 | USB_ENDPOINT_NUMBER_MASK; | |
1497 | if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
1498 | == USB_DIR_IN) { | |
1499 | if (!usbdev_probe_info.rx_pipe) { | |
1500 | usbdev_probe_info.rx_pipe = | |
1501 | usb_rcvbulkpipe(usb, endpoint_num); | |
1502 | } else { | |
1503 | usbdev_probe_info.rx_pipe2 = | |
1504 | usb_rcvbulkpipe(usb, endpoint_num); | |
1505 | } | |
1506 | } else { | |
1507 | usbdev_probe_info.tx_pipe = | |
1508 | usb_sndbulkpipe(usb, endpoint_num); | |
1509 | } | |
1510 | } | |
1511 | ||
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; | |
1516 | else | |
1517 | usbdev_probe_info.intr_size = 4; | |
1518 | ||
1519 | usbdev_probe_info.interval = IFEPDESC(usb, CONTROL_IF, 0).bInterval; | |
1520 | ||
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"); | |
1524 | else | |
1525 | brcmf_dbg(INFO, "Broadcom full speed USB wireless device detected\n"); | |
1526 | ||
1527 | ret = brcmf_usb_probe_cb(&usb->dev, "", USB_BUS, 0); | |
1528 | if (ret) | |
1529 | goto fail; | |
1530 | ||
1531 | /* Success */ | |
1532 | return 0; | |
1533 | ||
1534 | fail: | |
1535 | brcmf_dbg(ERROR, "failed with errno %d\n", ret); | |
1536 | usb_set_intfdata(intf, NULL); | |
1537 | return ret; | |
1538 | ||
1539 | } | |
1540 | ||
1541 | static void | |
1542 | brcmf_usb_disconnect(struct usb_interface *intf) | |
1543 | { | |
1544 | struct usb_device *usb = interface_to_usbdev(intf); | |
1545 | ||
1546 | brcmf_dbg(TRACE, "enter\n"); | |
1547 | brcmf_usb_disconnect_cb(brcmf_usb_get_buspub(&usb->dev)); | |
1548 | usb_set_intfdata(intf, NULL); | |
1549 | } | |
1550 | ||
1551 | /* | |
1552 | * only need to signal the bus being down and update the suspend state. | |
1553 | */ | |
1554 | static int brcmf_usb_suspend(struct usb_interface *intf, pm_message_t state) | |
1555 | { | |
1556 | struct usb_device *usb = interface_to_usbdev(intf); | |
1557 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); | |
1558 | ||
1559 | brcmf_dbg(TRACE, "enter\n"); | |
1560 | devinfo->bus_pub.state = BCMFMAC_USB_STATE_DOWN; | |
1561 | devinfo->suspend_state = USBOS_SUSPEND_STATE_SUSPENDED; | |
1562 | return 0; | |
1563 | } | |
1564 | ||
1565 | /* | |
1566 | * mark suspend state active and crank up the bus. | |
1567 | */ | |
1568 | static int brcmf_usb_resume(struct usb_interface *intf) | |
1569 | { | |
1570 | struct usb_device *usb = interface_to_usbdev(intf); | |
1571 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); | |
1572 | ||
1573 | brcmf_dbg(TRACE, "enter\n"); | |
1574 | devinfo->suspend_state = USBOS_SUSPEND_STATE_DEVICE_ACTIVE; | |
1575 | brcmf_bus_start(&usb->dev); | |
1576 | return 0; | |
1577 | } | |
1578 | ||
1579 | #define BRCMF_USB_VENDOR_ID_BROADCOM 0x0a5c | |
1580 | #define BRCMF_USB_DEVICE_ID_43236 0xbd17 | |
1581 | #define BRCMF_USB_DEVICE_ID_BCMFW 0x0bdc | |
1582 | ||
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) }, | |
1587 | { } | |
1588 | }; | |
1589 | MODULE_DEVICE_TABLE(usb, brcmf_usb_devid_table); | |
fda82417 | 1590 | MODULE_FIRMWARE(BRCMF_USB_43236_FW_NAME); |
71bb244b AS |
1591 | |
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, | |
c51fa668 | 1600 | .supports_autosuspend = 1, |
e1f12eb6 | 1601 | .disable_hub_initiated_lpm = 1, |
71bb244b AS |
1602 | }; |
1603 | ||
1604 | void brcmf_usb_exit(void) | |
1605 | { | |
1606 | usb_deregister(&brcmf_usbdrvr); | |
edb9bc9a | 1607 | vfree(g_image.data); |
71bb244b AS |
1608 | g_image.data = NULL; |
1609 | g_image.len = 0; | |
1610 | } | |
1611 | ||
549040ab | 1612 | void brcmf_usb_init(void) |
71bb244b | 1613 | { |
549040ab | 1614 | usb_register(&brcmf_usbdrvr); |
71bb244b | 1615 | } |