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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 | ||
71bb244b AS |
17 | #include <linux/kernel.h> |
18 | #include <linux/module.h> | |
71bb244b AS |
19 | #include <linux/firmware.h> |
20 | #include <linux/usb.h> | |
e2ff0498 | 21 | #include <linux/vmalloc.h> |
71bb244b | 22 | |
71bb244b AS |
23 | #include <brcmu_utils.h> |
24 | #include <brcmu_wifi.h> | |
25 | #include <dhd_bus.h> | |
26 | #include <dhd_dbg.h> | |
27 | ||
28 | #include "usb_rdl.h" | |
29 | #include "usb.h" | |
30 | ||
31 | #define IOCTL_RESP_TIMEOUT 2000 | |
32 | ||
83bc9c31 HM |
33 | #define BRCMF_USB_RESET_GETVER_SPINWAIT 100 /* in unit of ms */ |
34 | #define BRCMF_USB_RESET_GETVER_LOOP_CNT 10 | |
71bb244b AS |
35 | |
36 | #define BRCMF_POSTBOOT_ID 0xA123 /* ID to detect if dongle | |
37 | has boot up */ | |
71bb244b AS |
38 | #define BRCMF_USB_NRXQ 50 |
39 | #define BRCMF_USB_NTXQ 50 | |
40 | ||
41 | #define CONFIGDESC(usb) (&((usb)->actconfig)->desc) | |
42 | #define IFPTR(usb, idx) ((usb)->actconfig->interface[(idx)]) | |
43 | #define IFALTS(usb, idx) (IFPTR((usb), (idx))->altsetting[0]) | |
44 | #define IFDESC(usb, idx) IFALTS((usb), (idx)).desc | |
45 | #define IFEPDESC(usb, idx, ep) (IFALTS((usb), (idx)).endpoint[(ep)]).desc | |
46 | ||
47 | #define CONTROL_IF 0 | |
48 | #define BULK_IF 0 | |
49 | ||
50 | #define BRCMF_USB_CBCTL_WRITE 0 | |
51 | #define BRCMF_USB_CBCTL_READ 1 | |
52 | #define BRCMF_USB_MAX_PKT_SIZE 1600 | |
53 | ||
70f0822c | 54 | #define BRCMF_USB_43143_FW_NAME "brcm/brcmfmac43143.bin" |
fda82417 | 55 | #define BRCMF_USB_43236_FW_NAME "brcm/brcmfmac43236b.bin" |
1212d370 | 56 | #define BRCMF_USB_43242_FW_NAME "brcm/brcmfmac43242a.bin" |
71bb244b | 57 | |
71bb244b | 58 | struct brcmf_usb_image { |
803599d4 HM |
59 | struct list_head list; |
60 | s8 *fwname; | |
61 | u8 *image; | |
62 | int image_len; | |
71bb244b | 63 | }; |
803599d4 | 64 | static struct list_head fw_image_list; |
71bb244b AS |
65 | |
66 | struct intr_transfer_buf { | |
67 | u32 notification; | |
68 | u32 reserved; | |
69 | }; | |
70 | ||
71 | struct brcmf_usbdev_info { | |
72 | struct brcmf_usbdev bus_pub; /* MUST BE FIRST */ | |
73 | spinlock_t qlock; | |
74 | struct list_head rx_freeq; | |
75 | struct list_head rx_postq; | |
76 | struct list_head tx_freeq; | |
77 | struct list_head tx_postq; | |
71bb244b AS |
78 | uint rx_pipe, tx_pipe, intr_pipe, rx_pipe2; |
79 | ||
71bb244b AS |
80 | int rx_low_watermark; |
81 | int tx_low_watermark; | |
82 | int tx_high_watermark; | |
c6ab4294 HM |
83 | int tx_freecount; |
84 | bool tx_flowblock; | |
71bb244b AS |
85 | |
86 | struct brcmf_usbreq *tx_reqs; | |
87 | struct brcmf_usbreq *rx_reqs; | |
88 | ||
89 | u8 *image; /* buffer for combine fw and nvram */ | |
90 | int image_len; | |
91 | ||
71bb244b AS |
92 | struct usb_device *usbdev; |
93 | struct device *dev; | |
71bb244b AS |
94 | |
95 | int ctl_in_pipe, ctl_out_pipe; | |
96 | struct urb *ctl_urb; /* URB for control endpoint */ | |
97 | struct usb_ctrlrequest ctl_write; | |
98 | struct usb_ctrlrequest ctl_read; | |
99 | u32 ctl_urb_actual_length; | |
100 | int ctl_urb_status; | |
101 | int ctl_completed; | |
102 | wait_queue_head_t ioctl_resp_wait; | |
71bb244b AS |
103 | ulong ctl_op; |
104 | ||
71bb244b AS |
105 | struct urb *bulk_urb; /* used for FW download */ |
106 | struct urb *intr_urb; /* URB for interrupt endpoint */ | |
107 | int intr_size; /* Size of interrupt message */ | |
108 | int interval; /* Interrupt polling interval */ | |
109 | struct intr_transfer_buf intr; /* Data buffer for interrupt endpoint */ | |
71bb244b AS |
110 | }; |
111 | ||
112 | static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, | |
113 | struct brcmf_usbreq *req); | |
114 | ||
115 | MODULE_AUTHOR("Broadcom Corporation"); | |
116 | MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac usb driver."); | |
117 | MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac usb cards"); | |
118 | MODULE_LICENSE("Dual BSD/GPL"); | |
119 | ||
120 | static struct brcmf_usbdev *brcmf_usb_get_buspub(struct device *dev) | |
121 | { | |
122 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
123 | return bus_if->bus_priv.usb; | |
124 | } | |
125 | ||
126 | static struct brcmf_usbdev_info *brcmf_usb_get_businfo(struct device *dev) | |
127 | { | |
128 | return brcmf_usb_get_buspub(dev)->devinfo; | |
129 | } | |
130 | ||
70398a59 | 131 | static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info *devinfo) |
71bb244b | 132 | { |
70398a59 HM |
133 | return wait_event_timeout(devinfo->ioctl_resp_wait, |
134 | devinfo->ctl_completed, | |
135 | msecs_to_jiffies(IOCTL_RESP_TIMEOUT)); | |
71bb244b AS |
136 | } |
137 | ||
70398a59 | 138 | static void brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo) |
71bb244b AS |
139 | { |
140 | if (waitqueue_active(&devinfo->ioctl_resp_wait)) | |
70398a59 | 141 | wake_up(&devinfo->ioctl_resp_wait); |
71bb244b AS |
142 | } |
143 | ||
144 | static void | |
145 | brcmf_usb_ctl_complete(struct brcmf_usbdev_info *devinfo, int type, int status) | |
146 | { | |
cb8b73da | 147 | brcmf_dbg(USB, "Enter, status=%d\n", status); |
71bb244b AS |
148 | |
149 | if (unlikely(devinfo == NULL)) | |
150 | return; | |
151 | ||
152 | if (type == BRCMF_USB_CBCTL_READ) { | |
153 | if (status == 0) | |
154 | devinfo->bus_pub.stats.rx_ctlpkts++; | |
155 | else | |
156 | devinfo->bus_pub.stats.rx_ctlerrs++; | |
157 | } else if (type == BRCMF_USB_CBCTL_WRITE) { | |
158 | if (status == 0) | |
159 | devinfo->bus_pub.stats.tx_ctlpkts++; | |
160 | else | |
161 | devinfo->bus_pub.stats.tx_ctlerrs++; | |
162 | } | |
163 | ||
164 | devinfo->ctl_urb_status = status; | |
165 | devinfo->ctl_completed = true; | |
166 | brcmf_usb_ioctl_resp_wake(devinfo); | |
167 | } | |
168 | ||
169 | static void | |
170 | brcmf_usb_ctlread_complete(struct urb *urb) | |
171 | { | |
172 | struct brcmf_usbdev_info *devinfo = | |
173 | (struct brcmf_usbdev_info *)urb->context; | |
174 | ||
cb8b73da | 175 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
176 | devinfo->ctl_urb_actual_length = urb->actual_length; |
177 | brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_READ, | |
178 | urb->status); | |
179 | } | |
180 | ||
181 | static void | |
182 | brcmf_usb_ctlwrite_complete(struct urb *urb) | |
183 | { | |
184 | struct brcmf_usbdev_info *devinfo = | |
185 | (struct brcmf_usbdev_info *)urb->context; | |
186 | ||
cb8b73da | 187 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
188 | brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_WRITE, |
189 | urb->status); | |
190 | } | |
191 | ||
71bb244b AS |
192 | static int |
193 | brcmf_usb_send_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) | |
194 | { | |
195 | int ret; | |
196 | u16 size; | |
197 | ||
cb8b73da | 198 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
199 | if (devinfo == NULL || buf == NULL || |
200 | len == 0 || devinfo->ctl_urb == NULL) | |
201 | return -EINVAL; | |
202 | ||
71bb244b AS |
203 | size = len; |
204 | devinfo->ctl_write.wLength = cpu_to_le16p(&size); | |
205 | devinfo->ctl_urb->transfer_buffer_length = size; | |
206 | devinfo->ctl_urb_status = 0; | |
207 | devinfo->ctl_urb_actual_length = 0; | |
208 | ||
209 | usb_fill_control_urb(devinfo->ctl_urb, | |
210 | devinfo->usbdev, | |
211 | devinfo->ctl_out_pipe, | |
212 | (unsigned char *) &devinfo->ctl_write, | |
213 | buf, size, | |
214 | (usb_complete_t)brcmf_usb_ctlwrite_complete, | |
215 | devinfo); | |
216 | ||
217 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); | |
218 | if (ret < 0) | |
219 | brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret); | |
220 | ||
221 | return ret; | |
222 | } | |
223 | ||
224 | static int | |
225 | brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) | |
226 | { | |
227 | int ret; | |
228 | u16 size; | |
229 | ||
cb8b73da | 230 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
231 | if ((devinfo == NULL) || (buf == NULL) || (len == 0) |
232 | || (devinfo->ctl_urb == NULL)) | |
233 | return -EINVAL; | |
234 | ||
235 | size = len; | |
236 | devinfo->ctl_read.wLength = cpu_to_le16p(&size); | |
237 | devinfo->ctl_urb->transfer_buffer_length = size; | |
238 | ||
81643292 HM |
239 | devinfo->ctl_read.bRequestType = USB_DIR_IN |
240 | | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
241 | devinfo->ctl_read.bRequest = 1; | |
71bb244b AS |
242 | |
243 | usb_fill_control_urb(devinfo->ctl_urb, | |
244 | devinfo->usbdev, | |
245 | devinfo->ctl_in_pipe, | |
246 | (unsigned char *) &devinfo->ctl_read, | |
247 | buf, size, | |
248 | (usb_complete_t)brcmf_usb_ctlread_complete, | |
249 | devinfo); | |
250 | ||
251 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); | |
252 | if (ret < 0) | |
253 | brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret); | |
254 | ||
255 | return ret; | |
256 | } | |
257 | ||
258 | static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len) | |
259 | { | |
260 | int err = 0; | |
261 | int timeout = 0; | |
71bb244b AS |
262 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); |
263 | ||
cb8b73da | 264 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 | 265 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) |
71bb244b | 266 | return -EIO; |
71bb244b AS |
267 | |
268 | if (test_and_set_bit(0, &devinfo->ctl_op)) | |
269 | return -EIO; | |
270 | ||
a77f5747 | 271 | devinfo->ctl_completed = false; |
71bb244b AS |
272 | err = brcmf_usb_send_ctl(devinfo, buf, len); |
273 | if (err) { | |
274 | brcmf_dbg(ERROR, "fail %d bytes: %d\n", err, len); | |
6385df2d | 275 | clear_bit(0, &devinfo->ctl_op); |
71bb244b AS |
276 | return err; |
277 | } | |
70398a59 | 278 | timeout = brcmf_usb_ioctl_resp_wait(devinfo); |
71bb244b AS |
279 | clear_bit(0, &devinfo->ctl_op); |
280 | if (!timeout) { | |
281 | brcmf_dbg(ERROR, "Txctl wait timed out\n"); | |
282 | err = -EIO; | |
283 | } | |
284 | return err; | |
285 | } | |
286 | ||
287 | static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len) | |
288 | { | |
289 | int err = 0; | |
290 | int timeout = 0; | |
71bb244b AS |
291 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); |
292 | ||
cb8b73da | 293 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 | 294 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) |
71bb244b | 295 | return -EIO; |
7c38e698 | 296 | |
71bb244b AS |
297 | if (test_and_set_bit(0, &devinfo->ctl_op)) |
298 | return -EIO; | |
299 | ||
70398a59 | 300 | devinfo->ctl_completed = false; |
71bb244b AS |
301 | err = brcmf_usb_recv_ctl(devinfo, buf, len); |
302 | if (err) { | |
303 | brcmf_dbg(ERROR, "fail %d bytes: %d\n", err, len); | |
6385df2d | 304 | clear_bit(0, &devinfo->ctl_op); |
71bb244b AS |
305 | return err; |
306 | } | |
70398a59 | 307 | timeout = brcmf_usb_ioctl_resp_wait(devinfo); |
71bb244b AS |
308 | err = devinfo->ctl_urb_status; |
309 | clear_bit(0, &devinfo->ctl_op); | |
310 | if (!timeout) { | |
311 | brcmf_dbg(ERROR, "rxctl wait timed out\n"); | |
312 | err = -EIO; | |
313 | } | |
314 | if (!err) | |
315 | return devinfo->ctl_urb_actual_length; | |
316 | else | |
317 | return err; | |
318 | } | |
319 | ||
320 | static struct brcmf_usbreq *brcmf_usb_deq(struct brcmf_usbdev_info *devinfo, | |
c6ab4294 | 321 | struct list_head *q, int *counter) |
71bb244b AS |
322 | { |
323 | unsigned long flags; | |
324 | struct brcmf_usbreq *req; | |
325 | spin_lock_irqsave(&devinfo->qlock, flags); | |
326 | if (list_empty(q)) { | |
327 | spin_unlock_irqrestore(&devinfo->qlock, flags); | |
328 | return NULL; | |
329 | } | |
330 | req = list_entry(q->next, struct brcmf_usbreq, list); | |
331 | list_del_init(q->next); | |
c6ab4294 HM |
332 | if (counter) |
333 | (*counter)--; | |
71bb244b AS |
334 | spin_unlock_irqrestore(&devinfo->qlock, flags); |
335 | return req; | |
336 | ||
337 | } | |
338 | ||
339 | static void brcmf_usb_enq(struct brcmf_usbdev_info *devinfo, | |
c6ab4294 HM |
340 | struct list_head *q, struct brcmf_usbreq *req, |
341 | int *counter) | |
71bb244b AS |
342 | { |
343 | unsigned long flags; | |
344 | spin_lock_irqsave(&devinfo->qlock, flags); | |
345 | list_add_tail(&req->list, q); | |
c6ab4294 HM |
346 | if (counter) |
347 | (*counter)++; | |
71bb244b AS |
348 | spin_unlock_irqrestore(&devinfo->qlock, flags); |
349 | } | |
350 | ||
351 | static struct brcmf_usbreq * | |
352 | brcmf_usbdev_qinit(struct list_head *q, int qsize) | |
353 | { | |
354 | int i; | |
355 | struct brcmf_usbreq *req, *reqs; | |
356 | ||
357 | reqs = kzalloc(sizeof(struct brcmf_usbreq) * qsize, GFP_ATOMIC); | |
358 | if (reqs == NULL) { | |
359 | brcmf_dbg(ERROR, "fail to allocate memory!\n"); | |
360 | return NULL; | |
361 | } | |
362 | req = reqs; | |
363 | ||
364 | for (i = 0; i < qsize; i++) { | |
365 | req->urb = usb_alloc_urb(0, GFP_ATOMIC); | |
366 | if (!req->urb) | |
367 | goto fail; | |
368 | ||
369 | INIT_LIST_HEAD(&req->list); | |
370 | list_add_tail(&req->list, q); | |
371 | req++; | |
372 | } | |
373 | return reqs; | |
374 | fail: | |
375 | brcmf_dbg(ERROR, "fail!\n"); | |
376 | while (!list_empty(q)) { | |
377 | req = list_entry(q->next, struct brcmf_usbreq, list); | |
378 | if (req && req->urb) | |
379 | usb_free_urb(req->urb); | |
380 | list_del(q->next); | |
381 | } | |
382 | return NULL; | |
383 | ||
384 | } | |
385 | ||
386 | static void brcmf_usb_free_q(struct list_head *q, bool pending) | |
387 | { | |
388 | struct brcmf_usbreq *req, *next; | |
389 | int i = 0; | |
390 | list_for_each_entry_safe(req, next, q, list) { | |
d4ca0099 | 391 | if (!req->urb) { |
71bb244b AS |
392 | brcmf_dbg(ERROR, "bad req\n"); |
393 | break; | |
394 | } | |
395 | i++; | |
396 | if (pending) { | |
397 | usb_kill_urb(req->urb); | |
398 | } else { | |
399 | usb_free_urb(req->urb); | |
400 | list_del_init(&req->list); | |
401 | } | |
402 | } | |
403 | } | |
404 | ||
405 | static void brcmf_usb_del_fromq(struct brcmf_usbdev_info *devinfo, | |
406 | struct brcmf_usbreq *req) | |
407 | { | |
408 | unsigned long flags; | |
409 | ||
410 | spin_lock_irqsave(&devinfo->qlock, flags); | |
411 | list_del_init(&req->list); | |
412 | spin_unlock_irqrestore(&devinfo->qlock, flags); | |
413 | } | |
414 | ||
415 | ||
416 | static void brcmf_usb_tx_complete(struct urb *urb) | |
417 | { | |
418 | struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; | |
419 | struct brcmf_usbdev_info *devinfo = req->devinfo; | |
420 | ||
cb8b73da HM |
421 | brcmf_dbg(USB, "Enter, urb->status=%d, skb=%p\n", urb->status, |
422 | req->skb); | |
71bb244b AS |
423 | brcmf_usb_del_fromq(devinfo, req); |
424 | if (urb->status == 0) | |
1d9c1796 | 425 | devinfo->bus_pub.bus->dstats.tx_packets++; |
71bb244b | 426 | else |
1d9c1796 | 427 | devinfo->bus_pub.bus->dstats.tx_errors++; |
71bb244b | 428 | |
1e2d958b HM |
429 | brcmf_txcomplete(devinfo->dev, req->skb, urb->status == 0); |
430 | ||
01e3331b | 431 | brcmu_pkt_buf_free_skb(req->skb); |
71bb244b | 432 | req->skb = NULL; |
c6ab4294 HM |
433 | brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, &devinfo->tx_freecount); |
434 | if (devinfo->tx_freecount > devinfo->tx_high_watermark && | |
435 | devinfo->tx_flowblock) { | |
436 | brcmf_txflowblock(devinfo->dev, false); | |
437 | devinfo->tx_flowblock = false; | |
438 | } | |
71bb244b AS |
439 | } |
440 | ||
441 | static void brcmf_usb_rx_complete(struct urb *urb) | |
442 | { | |
443 | struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; | |
444 | struct brcmf_usbdev_info *devinfo = req->devinfo; | |
445 | struct sk_buff *skb; | |
446 | int ifidx = 0; | |
447 | ||
cb8b73da | 448 | brcmf_dbg(USB, "Enter, urb->status=%d\n", urb->status); |
71bb244b AS |
449 | brcmf_usb_del_fromq(devinfo, req); |
450 | skb = req->skb; | |
451 | req->skb = NULL; | |
452 | ||
453 | if (urb->status == 0) { | |
1d9c1796 | 454 | devinfo->bus_pub.bus->dstats.rx_packets++; |
71bb244b | 455 | } else { |
1d9c1796 | 456 | devinfo->bus_pub.bus->dstats.rx_errors++; |
01e3331b | 457 | brcmu_pkt_buf_free_skb(skb); |
c6ab4294 | 458 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
459 | return; |
460 | } | |
461 | ||
7c38e698 | 462 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) { |
71bb244b AS |
463 | skb_put(skb, urb->actual_length); |
464 | if (brcmf_proto_hdrpull(devinfo->dev, &ifidx, skb) != 0) { | |
465 | brcmf_dbg(ERROR, "rx protocol error\n"); | |
466 | brcmu_pkt_buf_free_skb(skb); | |
467 | devinfo->bus_pub.bus->dstats.rx_errors++; | |
64477ebc | 468 | } else |
71bb244b | 469 | brcmf_rx_packet(devinfo->dev, ifidx, skb); |
64477ebc | 470 | brcmf_usb_rx_refill(devinfo, req); |
71bb244b | 471 | } else { |
01e3331b | 472 | brcmu_pkt_buf_free_skb(skb); |
c6ab4294 | 473 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
474 | } |
475 | return; | |
476 | ||
477 | } | |
478 | ||
479 | static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, | |
480 | struct brcmf_usbreq *req) | |
481 | { | |
482 | struct sk_buff *skb; | |
483 | int ret; | |
484 | ||
485 | if (!req || !devinfo) | |
486 | return; | |
487 | ||
488 | skb = dev_alloc_skb(devinfo->bus_pub.bus_mtu); | |
489 | if (!skb) { | |
c6ab4294 | 490 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
491 | return; |
492 | } | |
493 | req->skb = skb; | |
494 | ||
495 | usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->rx_pipe, | |
496 | skb->data, skb_tailroom(skb), brcmf_usb_rx_complete, | |
497 | req); | |
71bb244b | 498 | req->devinfo = devinfo; |
c6ab4294 | 499 | brcmf_usb_enq(devinfo, &devinfo->rx_postq, req, NULL); |
71bb244b AS |
500 | |
501 | ret = usb_submit_urb(req->urb, GFP_ATOMIC); | |
2e875acd HM |
502 | if (ret) { |
503 | brcmf_usb_del_fromq(devinfo, req); | |
01e3331b | 504 | brcmu_pkt_buf_free_skb(req->skb); |
71bb244b | 505 | req->skb = NULL; |
c6ab4294 | 506 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
507 | } |
508 | return; | |
509 | } | |
510 | ||
511 | static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info *devinfo) | |
512 | { | |
513 | struct brcmf_usbreq *req; | |
514 | ||
7c38e698 HM |
515 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { |
516 | brcmf_dbg(ERROR, "bus is not up=%d\n", devinfo->bus_pub.state); | |
71bb244b AS |
517 | return; |
518 | } | |
c6ab4294 | 519 | while ((req = brcmf_usb_deq(devinfo, &devinfo->rx_freeq, NULL)) != NULL) |
71bb244b AS |
520 | brcmf_usb_rx_refill(devinfo, req); |
521 | } | |
522 | ||
523 | static void | |
524 | brcmf_usb_state_change(struct brcmf_usbdev_info *devinfo, int state) | |
525 | { | |
526 | struct brcmf_bus *bcmf_bus = devinfo->bus_pub.bus; | |
527 | int old_state; | |
528 | ||
cb8b73da HM |
529 | brcmf_dbg(USB, "Enter, current state=%d, new state=%d\n", |
530 | devinfo->bus_pub.state, state); | |
71bb244b AS |
531 | |
532 | if (devinfo->bus_pub.state == state) | |
533 | return; | |
534 | ||
535 | old_state = devinfo->bus_pub.state; | |
7c38e698 | 536 | devinfo->bus_pub.state = state; |
71bb244b AS |
537 | |
538 | /* update state of upper layer */ | |
7c38e698 | 539 | if (state == BRCMFMAC_USB_STATE_DOWN) { |
cb8b73da | 540 | brcmf_dbg(USB, "DBUS is down\n"); |
71bb244b | 541 | bcmf_bus->state = BRCMF_BUS_DOWN; |
7c38e698 HM |
542 | } else if (state == BRCMFMAC_USB_STATE_UP) { |
543 | brcmf_dbg(USB, "DBUS is up\n"); | |
544 | bcmf_bus->state = BRCMF_BUS_DATA; | |
71bb244b | 545 | } else { |
cb8b73da | 546 | brcmf_dbg(USB, "DBUS current state=%d\n", state); |
71bb244b AS |
547 | } |
548 | } | |
549 | ||
550 | static void | |
551 | brcmf_usb_intr_complete(struct urb *urb) | |
552 | { | |
553 | struct brcmf_usbdev_info *devinfo = | |
554 | (struct brcmf_usbdev_info *)urb->context; | |
7c38e698 | 555 | int err; |
71bb244b | 556 | |
cb8b73da HM |
557 | brcmf_dbg(USB, "Enter, urb->status=%d\n", urb->status); |
558 | ||
71bb244b AS |
559 | if (devinfo == NULL) |
560 | return; | |
561 | ||
562 | if (unlikely(urb->status)) { | |
7c38e698 HM |
563 | if (urb->status == -ENOENT || |
564 | urb->status == -ESHUTDOWN || | |
565 | urb->status == -ENODEV) { | |
566 | brcmf_usb_state_change(devinfo, | |
567 | BRCMFMAC_USB_STATE_DOWN); | |
71bb244b AS |
568 | } |
569 | } | |
570 | ||
7c38e698 | 571 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_DOWN) { |
71bb244b AS |
572 | brcmf_dbg(ERROR, "intr cb when DBUS down, ignoring\n"); |
573 | return; | |
574 | } | |
575 | ||
7c38e698 HM |
576 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) { |
577 | err = usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC); | |
578 | if (err) | |
579 | brcmf_dbg(ERROR, "usb_submit_urb, err=%d\n", err); | |
580 | } | |
71bb244b AS |
581 | } |
582 | ||
583 | static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb) | |
584 | { | |
585 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
586 | struct brcmf_usbreq *req; | |
587 | int ret; | |
588 | ||
cb8b73da | 589 | brcmf_dbg(USB, "Enter, skb=%p\n", skb); |
7c38e698 | 590 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) |
71bb244b | 591 | return -EIO; |
71bb244b | 592 | |
c6ab4294 HM |
593 | req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq, |
594 | &devinfo->tx_freecount); | |
71bb244b | 595 | if (!req) { |
2e875acd | 596 | brcmu_pkt_buf_free_skb(skb); |
71bb244b AS |
597 | brcmf_dbg(ERROR, "no req to send\n"); |
598 | return -ENOMEM; | |
599 | } | |
71bb244b AS |
600 | |
601 | req->skb = skb; | |
602 | req->devinfo = devinfo; | |
603 | usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->tx_pipe, | |
604 | skb->data, skb->len, brcmf_usb_tx_complete, req); | |
605 | req->urb->transfer_flags |= URB_ZERO_PACKET; | |
c6ab4294 | 606 | brcmf_usb_enq(devinfo, &devinfo->tx_postq, req, NULL); |
71bb244b | 607 | ret = usb_submit_urb(req->urb, GFP_ATOMIC); |
2e875acd HM |
608 | if (ret) { |
609 | brcmf_dbg(ERROR, "brcmf_usb_tx usb_submit_urb FAILED\n"); | |
610 | brcmf_usb_del_fromq(devinfo, req); | |
611 | brcmu_pkt_buf_free_skb(req->skb); | |
71bb244b | 612 | req->skb = NULL; |
c6ab4294 HM |
613 | brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, |
614 | &devinfo->tx_freecount); | |
615 | } else { | |
616 | if (devinfo->tx_freecount < devinfo->tx_low_watermark && | |
617 | !devinfo->tx_flowblock) { | |
618 | brcmf_txflowblock(dev, true); | |
619 | devinfo->tx_flowblock = true; | |
620 | } | |
71bb244b AS |
621 | } |
622 | ||
623 | return ret; | |
624 | } | |
625 | ||
626 | ||
627 | static int brcmf_usb_up(struct device *dev) | |
628 | { | |
629 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
630 | u16 ifnum; | |
7c38e698 | 631 | int ret; |
71bb244b | 632 | |
cb8b73da | 633 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 | 634 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) |
d4ca0099 DC |
635 | return 0; |
636 | ||
71bb244b | 637 | /* Success, indicate devinfo is fully up */ |
7c38e698 | 638 | brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_UP); |
71bb244b AS |
639 | |
640 | if (devinfo->intr_urb) { | |
71bb244b AS |
641 | usb_fill_int_urb(devinfo->intr_urb, devinfo->usbdev, |
642 | devinfo->intr_pipe, | |
643 | &devinfo->intr, | |
644 | devinfo->intr_size, | |
645 | (usb_complete_t)brcmf_usb_intr_complete, | |
646 | devinfo, | |
647 | devinfo->interval); | |
648 | ||
649 | ret = usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC); | |
650 | if (ret) { | |
651 | brcmf_dbg(ERROR, "USB_SUBMIT_URB failed with status %d\n", | |
652 | ret); | |
653 | return -EINVAL; | |
654 | } | |
655 | } | |
656 | ||
657 | if (devinfo->ctl_urb) { | |
658 | devinfo->ctl_in_pipe = usb_rcvctrlpipe(devinfo->usbdev, 0); | |
659 | devinfo->ctl_out_pipe = usb_sndctrlpipe(devinfo->usbdev, 0); | |
660 | ||
661 | ifnum = IFDESC(devinfo->usbdev, CONTROL_IF).bInterfaceNumber; | |
662 | ||
663 | /* CTL Write */ | |
664 | devinfo->ctl_write.bRequestType = | |
665 | USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
666 | devinfo->ctl_write.bRequest = 0; | |
667 | devinfo->ctl_write.wValue = cpu_to_le16(0); | |
668 | devinfo->ctl_write.wIndex = cpu_to_le16p(&ifnum); | |
669 | ||
670 | /* CTL Read */ | |
671 | devinfo->ctl_read.bRequestType = | |
672 | USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
673 | devinfo->ctl_read.bRequest = 1; | |
674 | devinfo->ctl_read.wValue = cpu_to_le16(0); | |
675 | devinfo->ctl_read.wIndex = cpu_to_le16p(&ifnum); | |
676 | } | |
677 | brcmf_usb_rx_fill_all(devinfo); | |
678 | return 0; | |
679 | } | |
680 | ||
681 | static void brcmf_usb_down(struct device *dev) | |
682 | { | |
683 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
684 | ||
cb8b73da | 685 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
686 | if (devinfo == NULL) |
687 | return; | |
688 | ||
7c38e698 | 689 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_DOWN) |
71bb244b AS |
690 | return; |
691 | ||
7c38e698 | 692 | brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_DOWN); |
71bb244b AS |
693 | if (devinfo->intr_urb) |
694 | usb_kill_urb(devinfo->intr_urb); | |
695 | ||
696 | if (devinfo->ctl_urb) | |
697 | usb_kill_urb(devinfo->ctl_urb); | |
698 | ||
699 | if (devinfo->bulk_urb) | |
700 | usb_kill_urb(devinfo->bulk_urb); | |
701 | brcmf_usb_free_q(&devinfo->tx_postq, true); | |
702 | ||
703 | brcmf_usb_free_q(&devinfo->rx_postq, true); | |
704 | } | |
705 | ||
71bb244b AS |
706 | static void |
707 | brcmf_usb_sync_complete(struct urb *urb) | |
708 | { | |
709 | struct brcmf_usbdev_info *devinfo = | |
710 | (struct brcmf_usbdev_info *)urb->context; | |
711 | ||
1e271c95 HM |
712 | devinfo->ctl_completed = true; |
713 | brcmf_usb_ioctl_resp_wake(devinfo); | |
71bb244b AS |
714 | } |
715 | ||
716 | static bool brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd, | |
717 | void *buffer, int buflen) | |
718 | { | |
719 | int ret = 0; | |
720 | char *tmpbuf; | |
721 | u16 size; | |
722 | ||
723 | if ((!devinfo) || (devinfo->ctl_urb == NULL)) | |
724 | return false; | |
725 | ||
726 | tmpbuf = kmalloc(buflen, GFP_ATOMIC); | |
727 | if (!tmpbuf) | |
728 | return false; | |
729 | ||
730 | size = buflen; | |
731 | devinfo->ctl_urb->transfer_buffer_length = size; | |
732 | ||
733 | devinfo->ctl_read.wLength = cpu_to_le16p(&size); | |
734 | devinfo->ctl_read.bRequestType = USB_DIR_IN | USB_TYPE_VENDOR | | |
735 | USB_RECIP_INTERFACE; | |
736 | devinfo->ctl_read.bRequest = cmd; | |
737 | ||
738 | usb_fill_control_urb(devinfo->ctl_urb, | |
739 | devinfo->usbdev, | |
740 | usb_rcvctrlpipe(devinfo->usbdev, 0), | |
741 | (unsigned char *) &devinfo->ctl_read, | |
742 | (void *) tmpbuf, size, | |
743 | (usb_complete_t)brcmf_usb_sync_complete, devinfo); | |
744 | ||
1e271c95 | 745 | devinfo->ctl_completed = false; |
71bb244b AS |
746 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); |
747 | if (ret < 0) { | |
748 | brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret); | |
749 | kfree(tmpbuf); | |
750 | return false; | |
751 | } | |
752 | ||
1e271c95 | 753 | ret = brcmf_usb_ioctl_resp_wait(devinfo); |
71bb244b AS |
754 | memcpy(buffer, tmpbuf, buflen); |
755 | kfree(tmpbuf); | |
756 | ||
1e271c95 | 757 | return ret; |
71bb244b AS |
758 | } |
759 | ||
760 | static bool | |
761 | brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo) | |
762 | { | |
763 | struct bootrom_id_le id; | |
764 | u32 chipid, chiprev; | |
765 | ||
cb8b73da | 766 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
767 | |
768 | if (devinfo == NULL) | |
769 | return false; | |
770 | ||
771 | /* Check if firmware downloaded already by querying runtime ID */ | |
772 | id.chip = cpu_to_le32(0xDEAD); | |
83bc9c31 | 773 | brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); |
71bb244b AS |
774 | |
775 | chipid = le32_to_cpu(id.chip); | |
776 | chiprev = le32_to_cpu(id.chiprev); | |
777 | ||
778 | if ((chipid & 0x4300) == 0x4300) | |
cb8b73da | 779 | brcmf_dbg(USB, "chip %x rev 0x%x\n", chipid, chiprev); |
71bb244b | 780 | else |
cb8b73da | 781 | brcmf_dbg(USB, "chip %d rev 0x%x\n", chipid, chiprev); |
71bb244b | 782 | if (chipid == BRCMF_POSTBOOT_ID) { |
cb8b73da | 783 | brcmf_dbg(USB, "firmware already downloaded\n"); |
83bc9c31 | 784 | brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); |
71bb244b AS |
785 | return false; |
786 | } else { | |
ac94f196 AS |
787 | devinfo->bus_pub.devid = chipid; |
788 | devinfo->bus_pub.chiprev = chiprev; | |
71bb244b AS |
789 | } |
790 | return true; | |
791 | } | |
792 | ||
793 | static int | |
794 | brcmf_usb_resetcfg(struct brcmf_usbdev_info *devinfo) | |
795 | { | |
796 | struct bootrom_id_le id; | |
83bc9c31 | 797 | u32 loop_cnt; |
71bb244b | 798 | |
cb8b73da | 799 | brcmf_dbg(USB, "Enter\n"); |
71bb244b | 800 | |
83bc9c31 HM |
801 | loop_cnt = 0; |
802 | do { | |
803 | mdelay(BRCMF_USB_RESET_GETVER_SPINWAIT); | |
804 | loop_cnt++; | |
71bb244b | 805 | id.chip = cpu_to_le32(0xDEAD); /* Get the ID */ |
83bc9c31 | 806 | brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); |
71bb244b AS |
807 | if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) |
808 | break; | |
83bc9c31 | 809 | } while (loop_cnt < BRCMF_USB_RESET_GETVER_LOOP_CNT); |
71bb244b AS |
810 | |
811 | if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) { | |
83bc9c31 HM |
812 | brcmf_dbg(USB, "postboot chip 0x%x/rev 0x%x\n", |
813 | le32_to_cpu(id.chip), le32_to_cpu(id.chiprev)); | |
71bb244b | 814 | |
83bc9c31 | 815 | brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); |
71bb244b AS |
816 | return 0; |
817 | } else { | |
818 | brcmf_dbg(ERROR, "Cannot talk to Dongle. Firmware is not UP, %d ms\n", | |
83bc9c31 | 819 | BRCMF_USB_RESET_GETVER_SPINWAIT * loop_cnt); |
71bb244b AS |
820 | return -EINVAL; |
821 | } | |
822 | } | |
823 | ||
824 | ||
825 | static int | |
826 | brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info *devinfo, void *buffer, int len) | |
827 | { | |
828 | int ret; | |
829 | ||
830 | if ((devinfo == NULL) || (devinfo->bulk_urb == NULL)) | |
831 | return -EINVAL; | |
832 | ||
833 | /* Prepare the URB */ | |
834 | usb_fill_bulk_urb(devinfo->bulk_urb, devinfo->usbdev, | |
835 | devinfo->tx_pipe, buffer, len, | |
836 | (usb_complete_t)brcmf_usb_sync_complete, devinfo); | |
837 | ||
838 | devinfo->bulk_urb->transfer_flags |= URB_ZERO_PACKET; | |
839 | ||
1e271c95 | 840 | devinfo->ctl_completed = false; |
71bb244b AS |
841 | ret = usb_submit_urb(devinfo->bulk_urb, GFP_ATOMIC); |
842 | if (ret) { | |
843 | brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret); | |
844 | return ret; | |
845 | } | |
1e271c95 HM |
846 | ret = brcmf_usb_ioctl_resp_wait(devinfo); |
847 | return (ret == 0); | |
71bb244b AS |
848 | } |
849 | ||
850 | static int | |
851 | brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen) | |
852 | { | |
853 | unsigned int sendlen, sent, dllen; | |
854 | char *bulkchunk = NULL, *dlpos; | |
855 | struct rdl_state_le state; | |
856 | u32 rdlstate, rdlbytes; | |
857 | int err = 0; | |
cb8b73da HM |
858 | |
859 | brcmf_dbg(USB, "Enter, fw %p, len %d\n", fw, fwlen); | |
71bb244b AS |
860 | |
861 | bulkchunk = kmalloc(RDL_CHUNK, GFP_ATOMIC); | |
862 | if (bulkchunk == NULL) { | |
863 | err = -ENOMEM; | |
864 | goto fail; | |
865 | } | |
866 | ||
867 | /* 1) Prepare USB boot loader for runtime image */ | |
868 | brcmf_usb_dl_cmd(devinfo, DL_START, &state, | |
869 | sizeof(struct rdl_state_le)); | |
870 | ||
871 | rdlstate = le32_to_cpu(state.state); | |
872 | rdlbytes = le32_to_cpu(state.bytes); | |
873 | ||
874 | /* 2) Check we are in the Waiting state */ | |
875 | if (rdlstate != DL_WAITING) { | |
876 | brcmf_dbg(ERROR, "Failed to DL_START\n"); | |
877 | err = -EINVAL; | |
878 | goto fail; | |
879 | } | |
880 | sent = 0; | |
881 | dlpos = fw; | |
882 | dllen = fwlen; | |
883 | ||
884 | /* Get chip id and rev */ | |
885 | while (rdlbytes != dllen) { | |
886 | /* Wait until the usb device reports it received all | |
887 | * the bytes we sent */ | |
888 | if ((rdlbytes == sent) && (rdlbytes != dllen)) { | |
889 | if ((dllen-sent) < RDL_CHUNK) | |
890 | sendlen = dllen-sent; | |
891 | else | |
892 | sendlen = RDL_CHUNK; | |
893 | ||
894 | /* simply avoid having to send a ZLP by ensuring we | |
895 | * never have an even | |
896 | * multiple of 64 | |
897 | */ | |
898 | if (!(sendlen % 64)) | |
899 | sendlen -= 4; | |
900 | ||
901 | /* send data */ | |
902 | memcpy(bulkchunk, dlpos, sendlen); | |
903 | if (brcmf_usb_dl_send_bulk(devinfo, bulkchunk, | |
904 | sendlen)) { | |
905 | brcmf_dbg(ERROR, "send_bulk failed\n"); | |
906 | err = -EINVAL; | |
907 | goto fail; | |
908 | } | |
909 | ||
910 | dlpos += sendlen; | |
911 | sent += sendlen; | |
912 | } | |
913 | if (!brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, | |
914 | sizeof(struct rdl_state_le))) { | |
915 | brcmf_dbg(ERROR, "DL_GETSTATE Failed xxxx\n"); | |
916 | err = -EINVAL; | |
917 | goto fail; | |
918 | } | |
919 | ||
920 | rdlstate = le32_to_cpu(state.state); | |
921 | rdlbytes = le32_to_cpu(state.bytes); | |
922 | ||
923 | /* restart if an error is reported */ | |
924 | if (rdlstate == DL_BAD_HDR || rdlstate == DL_BAD_CRC) { | |
925 | brcmf_dbg(ERROR, "Bad Hdr or Bad CRC state %d\n", | |
926 | rdlstate); | |
927 | err = -EINVAL; | |
928 | goto fail; | |
929 | } | |
930 | } | |
931 | ||
932 | fail: | |
933 | kfree(bulkchunk); | |
cb8b73da | 934 | brcmf_dbg(USB, "Exit, err=%d\n", err); |
71bb244b AS |
935 | return err; |
936 | } | |
937 | ||
938 | static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len) | |
939 | { | |
940 | int err; | |
941 | ||
cb8b73da | 942 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
943 | |
944 | if (devinfo == NULL) | |
945 | return -EINVAL; | |
946 | ||
ac94f196 | 947 | if (devinfo->bus_pub.devid == 0xDEAD) |
71bb244b AS |
948 | return -EINVAL; |
949 | ||
950 | err = brcmf_usb_dl_writeimage(devinfo, fw, len); | |
951 | if (err == 0) | |
7c38e698 | 952 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_DONE; |
71bb244b | 953 | else |
7c38e698 | 954 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_FAIL; |
cb8b73da | 955 | brcmf_dbg(USB, "Exit, err=%d\n", err); |
71bb244b AS |
956 | |
957 | return err; | |
958 | } | |
959 | ||
960 | static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo) | |
961 | { | |
962 | struct rdl_state_le state; | |
963 | ||
cb8b73da | 964 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
965 | if (!devinfo) |
966 | return -EINVAL; | |
967 | ||
ac94f196 | 968 | if (devinfo->bus_pub.devid == 0xDEAD) |
71bb244b AS |
969 | return -EINVAL; |
970 | ||
971 | /* Check we are runnable */ | |
972 | brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, | |
973 | sizeof(struct rdl_state_le)); | |
974 | ||
975 | /* Start the image */ | |
976 | if (state.state == cpu_to_le32(DL_RUNNABLE)) { | |
977 | if (!brcmf_usb_dl_cmd(devinfo, DL_GO, &state, | |
978 | sizeof(struct rdl_state_le))) | |
979 | return -ENODEV; | |
980 | if (brcmf_usb_resetcfg(devinfo)) | |
981 | return -ENODEV; | |
982 | /* The Dongle may go for re-enumeration. */ | |
983 | } else { | |
984 | brcmf_dbg(ERROR, "Dongle not runnable\n"); | |
985 | return -EINVAL; | |
986 | } | |
cb8b73da | 987 | brcmf_dbg(USB, "Exit\n"); |
71bb244b AS |
988 | return 0; |
989 | } | |
990 | ||
991 | static bool brcmf_usb_chip_support(int chipid, int chiprev) | |
992 | { | |
993 | switch(chipid) { | |
70f0822c HM |
994 | case 43143: |
995 | return true; | |
71bb244b AS |
996 | case 43235: |
997 | case 43236: | |
998 | case 43238: | |
999 | return (chiprev == 3); | |
1212d370 HM |
1000 | case 43242: |
1001 | return true; | |
71bb244b AS |
1002 | default: |
1003 | break; | |
1004 | } | |
1005 | return false; | |
1006 | } | |
1007 | ||
1008 | static int | |
1009 | brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo) | |
1010 | { | |
ac94f196 | 1011 | int devid, chiprev; |
71bb244b AS |
1012 | int err; |
1013 | ||
cb8b73da | 1014 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
1015 | if (devinfo == NULL) |
1016 | return -ENODEV; | |
1017 | ||
ac94f196 AS |
1018 | devid = devinfo->bus_pub.devid; |
1019 | chiprev = devinfo->bus_pub.chiprev; | |
71bb244b | 1020 | |
ac94f196 | 1021 | if (!brcmf_usb_chip_support(devid, chiprev)) { |
71bb244b | 1022 | brcmf_dbg(ERROR, "unsupported chip %d rev %d\n", |
ac94f196 | 1023 | devid, chiprev); |
71bb244b AS |
1024 | return -EINVAL; |
1025 | } | |
1026 | ||
1027 | if (!devinfo->image) { | |
1028 | brcmf_dbg(ERROR, "No firmware!\n"); | |
1029 | return -ENOENT; | |
1030 | } | |
1031 | ||
1032 | err = brcmf_usb_dlstart(devinfo, | |
1033 | devinfo->image, devinfo->image_len); | |
1034 | if (err == 0) | |
1035 | err = brcmf_usb_dlrun(devinfo); | |
1036 | return err; | |
1037 | } | |
1038 | ||
1039 | ||
d74a0b51 | 1040 | static void brcmf_usb_detach(struct brcmf_usbdev_info *devinfo) |
71bb244b | 1041 | { |
cb8b73da | 1042 | brcmf_dbg(USB, "Enter, devinfo %p\n", devinfo); |
71bb244b | 1043 | |
71bb244b AS |
1044 | /* free the URBS */ |
1045 | brcmf_usb_free_q(&devinfo->rx_freeq, false); | |
1046 | brcmf_usb_free_q(&devinfo->tx_freeq, false); | |
1047 | ||
1048 | usb_free_urb(devinfo->intr_urb); | |
1049 | usb_free_urb(devinfo->ctl_urb); | |
1050 | usb_free_urb(devinfo->bulk_urb); | |
1051 | ||
1052 | kfree(devinfo->tx_reqs); | |
1053 | kfree(devinfo->rx_reqs); | |
71bb244b AS |
1054 | } |
1055 | ||
1056 | #define TRX_MAGIC 0x30524448 /* "HDR0" */ | |
1057 | #define TRX_VERSION 1 /* Version 1 */ | |
1058 | #define TRX_MAX_LEN 0x3B0000 /* Max length */ | |
1059 | #define TRX_NO_HEADER 1 /* Do not write TRX header */ | |
1060 | #define TRX_MAX_OFFSET 3 /* Max number of individual files */ | |
1061 | #define TRX_UNCOMP_IMAGE 0x20 /* Trx contains uncompressed image */ | |
1062 | ||
1063 | struct trx_header_le { | |
1064 | __le32 magic; /* "HDR0" */ | |
1065 | __le32 len; /* Length of file including header */ | |
1066 | __le32 crc32; /* CRC from flag_version to end of file */ | |
1067 | __le32 flag_version; /* 0:15 flags, 16:31 version */ | |
1068 | __le32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of | |
1069 | * header */ | |
1070 | }; | |
1071 | ||
1072 | static int check_file(const u8 *headers) | |
1073 | { | |
1074 | struct trx_header_le *trx; | |
1075 | int actual_len = -1; | |
1076 | ||
cb8b73da | 1077 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
1078 | /* Extract trx header */ |
1079 | trx = (struct trx_header_le *) headers; | |
1080 | if (trx->magic != cpu_to_le32(TRX_MAGIC)) | |
1081 | return -1; | |
1082 | ||
1083 | headers += sizeof(struct trx_header_le); | |
1084 | ||
1085 | if (le32_to_cpu(trx->flag_version) & TRX_UNCOMP_IMAGE) { | |
1086 | actual_len = le32_to_cpu(trx->offsets[TRX_OFFSETS_DLFWLEN_IDX]); | |
1087 | return actual_len + sizeof(struct trx_header_le); | |
1088 | } | |
1089 | return -1; | |
1090 | } | |
1091 | ||
1092 | static int brcmf_usb_get_fw(struct brcmf_usbdev_info *devinfo) | |
1093 | { | |
1094 | s8 *fwname; | |
1095 | const struct firmware *fw; | |
803599d4 | 1096 | struct brcmf_usb_image *fw_image; |
71bb244b AS |
1097 | int err; |
1098 | ||
cb8b73da | 1099 | brcmf_dbg(USB, "Enter\n"); |
1212d370 | 1100 | switch (devinfo->bus_pub.devid) { |
70f0822c HM |
1101 | case 43143: |
1102 | fwname = BRCMF_USB_43143_FW_NAME; | |
1103 | break; | |
1212d370 HM |
1104 | case 43235: |
1105 | case 43236: | |
1106 | case 43238: | |
1107 | fwname = BRCMF_USB_43236_FW_NAME; | |
1108 | break; | |
1109 | case 43242: | |
1110 | fwname = BRCMF_USB_43242_FW_NAME; | |
1111 | break; | |
1112 | default: | |
1113 | return -EINVAL; | |
1114 | break; | |
1115 | } | |
cb8b73da | 1116 | brcmf_dbg(USB, "Loading FW %s\n", fwname); |
803599d4 HM |
1117 | list_for_each_entry(fw_image, &fw_image_list, list) { |
1118 | if (fw_image->fwname == fwname) { | |
1119 | devinfo->image = fw_image->image; | |
1120 | devinfo->image_len = fw_image->image_len; | |
1121 | return 0; | |
1122 | } | |
1123 | } | |
1124 | /* fw image not yet loaded. Load it now and add to list */ | |
71bb244b AS |
1125 | err = request_firmware(&fw, fwname, devinfo->dev); |
1126 | if (!fw) { | |
1127 | brcmf_dbg(ERROR, "fail to request firmware %s\n", fwname); | |
1128 | return err; | |
1129 | } | |
1130 | if (check_file(fw->data) < 0) { | |
1131 | brcmf_dbg(ERROR, "invalid firmware %s\n", fwname); | |
1132 | return -EINVAL; | |
1133 | } | |
1134 | ||
803599d4 HM |
1135 | fw_image = kzalloc(sizeof(*fw_image), GFP_ATOMIC); |
1136 | if (!fw_image) | |
1137 | return -ENOMEM; | |
1138 | INIT_LIST_HEAD(&fw_image->list); | |
1139 | list_add_tail(&fw_image->list, &fw_image_list); | |
1140 | fw_image->fwname = fwname; | |
1141 | fw_image->image = vmalloc(fw->size); | |
1142 | if (!fw_image->image) | |
71bb244b AS |
1143 | return -ENOMEM; |
1144 | ||
803599d4 HM |
1145 | memcpy(fw_image->image, fw->data, fw->size); |
1146 | fw_image->image_len = fw->size; | |
71bb244b AS |
1147 | |
1148 | release_firmware(fw); | |
803599d4 HM |
1149 | |
1150 | devinfo->image = fw_image->image; | |
1151 | devinfo->image_len = fw_image->image_len; | |
1152 | ||
71bb244b AS |
1153 | return 0; |
1154 | } | |
1155 | ||
1156 | ||
1157 | static | |
d74a0b51 HM |
1158 | struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo, |
1159 | int nrxq, int ntxq) | |
71bb244b | 1160 | { |
cb8b73da HM |
1161 | brcmf_dbg(USB, "Enter\n"); |
1162 | ||
71bb244b AS |
1163 | devinfo->bus_pub.nrxq = nrxq; |
1164 | devinfo->rx_low_watermark = nrxq / 2; | |
1165 | devinfo->bus_pub.devinfo = devinfo; | |
1166 | devinfo->bus_pub.ntxq = ntxq; | |
7c38e698 | 1167 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DOWN; |
71bb244b AS |
1168 | |
1169 | /* flow control when too many tx urbs posted */ | |
1170 | devinfo->tx_low_watermark = ntxq / 4; | |
1171 | devinfo->tx_high_watermark = devinfo->tx_low_watermark * 3; | |
71bb244b AS |
1172 | devinfo->bus_pub.bus_mtu = BRCMF_USB_MAX_PKT_SIZE; |
1173 | ||
1174 | /* Initialize other structure content */ | |
1175 | init_waitqueue_head(&devinfo->ioctl_resp_wait); | |
1176 | ||
1177 | /* Initialize the spinlocks */ | |
1178 | spin_lock_init(&devinfo->qlock); | |
1179 | ||
1180 | INIT_LIST_HEAD(&devinfo->rx_freeq); | |
1181 | INIT_LIST_HEAD(&devinfo->rx_postq); | |
1182 | ||
1183 | INIT_LIST_HEAD(&devinfo->tx_freeq); | |
1184 | INIT_LIST_HEAD(&devinfo->tx_postq); | |
1185 | ||
c6ab4294 HM |
1186 | devinfo->tx_flowblock = false; |
1187 | ||
71bb244b AS |
1188 | devinfo->rx_reqs = brcmf_usbdev_qinit(&devinfo->rx_freeq, nrxq); |
1189 | if (!devinfo->rx_reqs) | |
1190 | goto error; | |
1191 | ||
1192 | devinfo->tx_reqs = brcmf_usbdev_qinit(&devinfo->tx_freeq, ntxq); | |
1193 | if (!devinfo->tx_reqs) | |
1194 | goto error; | |
c6ab4294 | 1195 | devinfo->tx_freecount = ntxq; |
71bb244b AS |
1196 | |
1197 | devinfo->intr_urb = usb_alloc_urb(0, GFP_ATOMIC); | |
1198 | if (!devinfo->intr_urb) { | |
1199 | brcmf_dbg(ERROR, "usb_alloc_urb (intr) failed\n"); | |
1200 | goto error; | |
1201 | } | |
1202 | devinfo->ctl_urb = usb_alloc_urb(0, GFP_ATOMIC); | |
1203 | if (!devinfo->ctl_urb) { | |
1204 | brcmf_dbg(ERROR, "usb_alloc_urb (ctl) failed\n"); | |
1205 | goto error; | |
1206 | } | |
71bb244b AS |
1207 | devinfo->bulk_urb = usb_alloc_urb(0, GFP_ATOMIC); |
1208 | if (!devinfo->bulk_urb) { | |
1209 | brcmf_dbg(ERROR, "usb_alloc_urb (bulk) failed\n"); | |
1210 | goto error; | |
1211 | } | |
1212 | ||
71bb244b AS |
1213 | if (!brcmf_usb_dlneeded(devinfo)) |
1214 | return &devinfo->bus_pub; | |
1215 | ||
cb8b73da | 1216 | brcmf_dbg(USB, "Start fw downloading\n"); |
71bb244b AS |
1217 | if (brcmf_usb_get_fw(devinfo)) |
1218 | goto error; | |
1219 | ||
1220 | if (brcmf_usb_fw_download(devinfo)) | |
1221 | goto error; | |
1222 | ||
1223 | return &devinfo->bus_pub; | |
1224 | ||
1225 | error: | |
1226 | brcmf_dbg(ERROR, "failed!\n"); | |
d74a0b51 | 1227 | brcmf_usb_detach(devinfo); |
71bb244b AS |
1228 | return NULL; |
1229 | } | |
1230 | ||
d9cb2596 AS |
1231 | static struct brcmf_bus_ops brcmf_usb_bus_ops = { |
1232 | .txdata = brcmf_usb_tx, | |
1233 | .init = brcmf_usb_up, | |
1234 | .stop = brcmf_usb_down, | |
1235 | .txctl = brcmf_usb_tx_ctlpkt, | |
1236 | .rxctl = brcmf_usb_rx_ctlpkt, | |
1237 | }; | |
1238 | ||
b87e2c48 | 1239 | static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) |
71bb244b AS |
1240 | { |
1241 | struct brcmf_bus *bus = NULL; | |
1242 | struct brcmf_usbdev *bus_pub = NULL; | |
1243 | int ret; | |
d74a0b51 | 1244 | struct device *dev = devinfo->dev; |
71bb244b | 1245 | |
cb8b73da | 1246 | brcmf_dbg(USB, "Enter\n"); |
d74a0b51 | 1247 | bus_pub = brcmf_usb_attach(devinfo, BRCMF_USB_NRXQ, BRCMF_USB_NTXQ); |
9cd23a71 HM |
1248 | if (!bus_pub) |
1249 | return -ENODEV; | |
71bb244b AS |
1250 | |
1251 | bus = kzalloc(sizeof(struct brcmf_bus), GFP_ATOMIC); | |
1252 | if (!bus) { | |
1253 | ret = -ENOMEM; | |
1254 | goto fail; | |
1255 | } | |
1256 | ||
d9cb2596 | 1257 | bus->dev = dev; |
71bb244b | 1258 | bus_pub->bus = bus; |
71bb244b AS |
1259 | bus->bus_priv.usb = bus_pub; |
1260 | dev_set_drvdata(dev, bus); | |
d9cb2596 | 1261 | bus->ops = &brcmf_usb_bus_ops; |
71bb244b AS |
1262 | |
1263 | /* Attach to the common driver interface */ | |
b87e2c48 | 1264 | ret = brcmf_attach(0, dev); |
71bb244b | 1265 | if (ret) { |
cb8b73da | 1266 | brcmf_dbg(ERROR, "brcmf_attach failed\n"); |
71bb244b AS |
1267 | goto fail; |
1268 | } | |
1269 | ||
1270 | ret = brcmf_bus_start(dev); | |
e270b302 | 1271 | if (ret) { |
71bb244b AS |
1272 | brcmf_dbg(ERROR, "dongle is not responding\n"); |
1273 | brcmf_detach(dev); | |
1274 | goto fail; | |
1275 | } | |
1276 | ||
71bb244b AS |
1277 | return 0; |
1278 | fail: | |
1279 | /* Release resources in reverse order */ | |
71bb244b | 1280 | kfree(bus); |
d74a0b51 | 1281 | brcmf_usb_detach(devinfo); |
71bb244b AS |
1282 | return ret; |
1283 | } | |
1284 | ||
1285 | static void | |
d74a0b51 | 1286 | brcmf_usb_disconnect_cb(struct brcmf_usbdev_info *devinfo) |
71bb244b | 1287 | { |
d74a0b51 | 1288 | if (!devinfo) |
71bb244b | 1289 | return; |
cb8b73da | 1290 | brcmf_dbg(USB, "Enter, bus_pub %p\n", devinfo); |
71bb244b | 1291 | |
d74a0b51 HM |
1292 | brcmf_detach(devinfo->dev); |
1293 | kfree(devinfo->bus_pub.bus); | |
1294 | brcmf_usb_detach(devinfo); | |
71bb244b AS |
1295 | } |
1296 | ||
1297 | static int | |
1298 | brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
1299 | { | |
1300 | int ep; | |
1301 | struct usb_endpoint_descriptor *endpoint; | |
1302 | int ret = 0; | |
1303 | struct usb_device *usb = interface_to_usbdev(intf); | |
1304 | int num_of_eps; | |
1305 | u8 endpoint_num; | |
d74a0b51 | 1306 | struct brcmf_usbdev_info *devinfo; |
71bb244b | 1307 | |
cb8b73da | 1308 | brcmf_dbg(USB, "Enter\n"); |
71bb244b | 1309 | |
d74a0b51 HM |
1310 | devinfo = kzalloc(sizeof(*devinfo), GFP_ATOMIC); |
1311 | if (devinfo == NULL) | |
1312 | return -ENOMEM; | |
71bb244b | 1313 | |
d74a0b51 HM |
1314 | devinfo->usbdev = usb; |
1315 | devinfo->dev = &usb->dev; | |
71bb244b | 1316 | |
d74a0b51 | 1317 | usb_set_intfdata(intf, devinfo); |
71bb244b AS |
1318 | |
1319 | /* Check that the device supports only one configuration */ | |
1320 | if (usb->descriptor.bNumConfigurations != 1) { | |
1321 | ret = -1; | |
1322 | goto fail; | |
1323 | } | |
1324 | ||
1325 | if (usb->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) { | |
1326 | ret = -1; | |
1327 | goto fail; | |
1328 | } | |
1329 | ||
1330 | /* | |
1331 | * Only the BDC interface configuration is supported: | |
1332 | * Device class: USB_CLASS_VENDOR_SPEC | |
1333 | * if0 class: USB_CLASS_VENDOR_SPEC | |
1334 | * if0/ep0: control | |
1335 | * if0/ep1: bulk in | |
1336 | * if0/ep2: bulk out (ok if swapped with bulk in) | |
1337 | */ | |
1338 | if (CONFIGDESC(usb)->bNumInterfaces != 1) { | |
1339 | ret = -1; | |
1340 | goto fail; | |
1341 | } | |
1342 | ||
1343 | /* Check interface */ | |
1344 | if (IFDESC(usb, CONTROL_IF).bInterfaceClass != USB_CLASS_VENDOR_SPEC || | |
1345 | IFDESC(usb, CONTROL_IF).bInterfaceSubClass != 2 || | |
1346 | IFDESC(usb, CONTROL_IF).bInterfaceProtocol != 0xff) { | |
1347 | brcmf_dbg(ERROR, "invalid control interface: class %d, subclass %d, proto %d\n", | |
1348 | IFDESC(usb, CONTROL_IF).bInterfaceClass, | |
1349 | IFDESC(usb, CONTROL_IF).bInterfaceSubClass, | |
1350 | IFDESC(usb, CONTROL_IF).bInterfaceProtocol); | |
1351 | ret = -1; | |
1352 | goto fail; | |
1353 | } | |
1354 | ||
1355 | /* Check control endpoint */ | |
1356 | endpoint = &IFEPDESC(usb, CONTROL_IF, 0); | |
1357 | if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1358 | != USB_ENDPOINT_XFER_INT) { | |
1359 | brcmf_dbg(ERROR, "invalid control endpoint %d\n", | |
1360 | endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK); | |
1361 | ret = -1; | |
1362 | goto fail; | |
1363 | } | |
1364 | ||
1365 | endpoint_num = endpoint->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; | |
d74a0b51 | 1366 | devinfo->intr_pipe = usb_rcvintpipe(usb, endpoint_num); |
71bb244b | 1367 | |
d74a0b51 HM |
1368 | devinfo->rx_pipe = 0; |
1369 | devinfo->rx_pipe2 = 0; | |
1370 | devinfo->tx_pipe = 0; | |
71bb244b AS |
1371 | num_of_eps = IFDESC(usb, BULK_IF).bNumEndpoints - 1; |
1372 | ||
1373 | /* Check data endpoints and get pipes */ | |
1374 | for (ep = 1; ep <= num_of_eps; ep++) { | |
1375 | endpoint = &IFEPDESC(usb, BULK_IF, ep); | |
1376 | if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != | |
1377 | USB_ENDPOINT_XFER_BULK) { | |
1378 | brcmf_dbg(ERROR, "invalid data endpoint %d\n", ep); | |
1379 | ret = -1; | |
1380 | goto fail; | |
1381 | } | |
1382 | ||
1383 | endpoint_num = endpoint->bEndpointAddress & | |
1384 | USB_ENDPOINT_NUMBER_MASK; | |
1385 | if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
1386 | == USB_DIR_IN) { | |
d74a0b51 HM |
1387 | if (!devinfo->rx_pipe) { |
1388 | devinfo->rx_pipe = | |
71bb244b AS |
1389 | usb_rcvbulkpipe(usb, endpoint_num); |
1390 | } else { | |
d74a0b51 | 1391 | devinfo->rx_pipe2 = |
71bb244b AS |
1392 | usb_rcvbulkpipe(usb, endpoint_num); |
1393 | } | |
1394 | } else { | |
d74a0b51 | 1395 | devinfo->tx_pipe = usb_sndbulkpipe(usb, endpoint_num); |
71bb244b AS |
1396 | } |
1397 | } | |
1398 | ||
1399 | /* Allocate interrupt URB and data buffer */ | |
1400 | /* RNDIS says 8-byte intr, our old drivers used 4-byte */ | |
1401 | if (IFEPDESC(usb, CONTROL_IF, 0).wMaxPacketSize == cpu_to_le16(16)) | |
d74a0b51 | 1402 | devinfo->intr_size = 8; |
71bb244b | 1403 | else |
d74a0b51 | 1404 | devinfo->intr_size = 4; |
71bb244b | 1405 | |
d74a0b51 | 1406 | devinfo->interval = IFEPDESC(usb, CONTROL_IF, 0).bInterval; |
71bb244b | 1407 | |
71bb244b | 1408 | if (usb->speed == USB_SPEED_HIGH) |
cb8b73da | 1409 | brcmf_dbg(USB, "Broadcom high speed USB wireless device detected\n"); |
71bb244b | 1410 | else |
cb8b73da | 1411 | brcmf_dbg(USB, "Broadcom full speed USB wireless device detected\n"); |
71bb244b | 1412 | |
b87e2c48 | 1413 | ret = brcmf_usb_probe_cb(devinfo); |
71bb244b AS |
1414 | if (ret) |
1415 | goto fail; | |
1416 | ||
1417 | /* Success */ | |
1418 | return 0; | |
1419 | ||
1420 | fail: | |
1421 | brcmf_dbg(ERROR, "failed with errno %d\n", ret); | |
d74a0b51 | 1422 | kfree(devinfo); |
71bb244b AS |
1423 | usb_set_intfdata(intf, NULL); |
1424 | return ret; | |
1425 | ||
1426 | } | |
1427 | ||
1428 | static void | |
1429 | brcmf_usb_disconnect(struct usb_interface *intf) | |
1430 | { | |
d74a0b51 | 1431 | struct brcmf_usbdev_info *devinfo; |
71bb244b | 1432 | |
cb8b73da | 1433 | brcmf_dbg(USB, "Enter\n"); |
d74a0b51 HM |
1434 | devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf); |
1435 | brcmf_usb_disconnect_cb(devinfo); | |
1436 | kfree(devinfo); | |
cb8b73da | 1437 | brcmf_dbg(USB, "Exit\n"); |
71bb244b AS |
1438 | } |
1439 | ||
1440 | /* | |
7c38e698 | 1441 | * only need to signal the bus being down and update the state. |
71bb244b AS |
1442 | */ |
1443 | static int brcmf_usb_suspend(struct usb_interface *intf, pm_message_t state) | |
1444 | { | |
1445 | struct usb_device *usb = interface_to_usbdev(intf); | |
1446 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); | |
1447 | ||
cb8b73da | 1448 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 HM |
1449 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_SLEEP; |
1450 | brcmf_detach(&usb->dev); | |
71bb244b AS |
1451 | return 0; |
1452 | } | |
1453 | ||
1454 | /* | |
7c38e698 | 1455 | * (re-) start the bus. |
71bb244b AS |
1456 | */ |
1457 | static int brcmf_usb_resume(struct usb_interface *intf) | |
1458 | { | |
1459 | struct usb_device *usb = interface_to_usbdev(intf); | |
1460 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); | |
1461 | ||
cb8b73da | 1462 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 HM |
1463 | if (!brcmf_attach(0, devinfo->dev)) |
1464 | return brcmf_bus_start(&usb->dev); | |
1465 | ||
71bb244b AS |
1466 | return 0; |
1467 | } | |
1468 | ||
7c38e698 HM |
1469 | static int brcmf_usb_reset_resume(struct usb_interface *intf) |
1470 | { | |
1471 | struct usb_device *usb = interface_to_usbdev(intf); | |
1472 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); | |
1473 | ||
1474 | brcmf_dbg(USB, "Enter\n"); | |
1475 | ||
1476 | if (!brcmf_usb_fw_download(devinfo)) | |
1477 | return brcmf_usb_resume(intf); | |
1478 | ||
1479 | return -EIO; | |
1480 | } | |
1481 | ||
71bb244b | 1482 | #define BRCMF_USB_VENDOR_ID_BROADCOM 0x0a5c |
70f0822c | 1483 | #define BRCMF_USB_DEVICE_ID_43143 0xbd1e |
71bb244b | 1484 | #define BRCMF_USB_DEVICE_ID_43236 0xbd17 |
1212d370 | 1485 | #define BRCMF_USB_DEVICE_ID_43242 0xbd1f |
71bb244b AS |
1486 | #define BRCMF_USB_DEVICE_ID_BCMFW 0x0bdc |
1487 | ||
1488 | static struct usb_device_id brcmf_usb_devid_table[] = { | |
70f0822c | 1489 | { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_43143) }, |
71bb244b | 1490 | { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_43236) }, |
1212d370 | 1491 | { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_43242) }, |
71bb244b AS |
1492 | /* special entry for device with firmware loaded and running */ |
1493 | { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_BCMFW) }, | |
1494 | { } | |
1495 | }; | |
1496 | MODULE_DEVICE_TABLE(usb, brcmf_usb_devid_table); | |
70f0822c | 1497 | MODULE_FIRMWARE(BRCMF_USB_43143_FW_NAME); |
fda82417 | 1498 | MODULE_FIRMWARE(BRCMF_USB_43236_FW_NAME); |
1212d370 | 1499 | MODULE_FIRMWARE(BRCMF_USB_43242_FW_NAME); |
71bb244b | 1500 | |
71bb244b AS |
1501 | static struct usb_driver brcmf_usbdrvr = { |
1502 | .name = KBUILD_MODNAME, | |
1503 | .probe = brcmf_usb_probe, | |
1504 | .disconnect = brcmf_usb_disconnect, | |
1505 | .id_table = brcmf_usb_devid_table, | |
1506 | .suspend = brcmf_usb_suspend, | |
1507 | .resume = brcmf_usb_resume, | |
7c38e698 | 1508 | .reset_resume = brcmf_usb_reset_resume, |
c51fa668 | 1509 | .supports_autosuspend = 1, |
e1f12eb6 | 1510 | .disable_hub_initiated_lpm = 1, |
71bb244b AS |
1511 | }; |
1512 | ||
803599d4 HM |
1513 | static void brcmf_release_fw(struct list_head *q) |
1514 | { | |
1515 | struct brcmf_usb_image *fw_image, *next; | |
1516 | ||
1517 | list_for_each_entry_safe(fw_image, next, q, list) { | |
1518 | vfree(fw_image->image); | |
1519 | list_del_init(&fw_image->list); | |
1520 | } | |
1521 | } | |
1522 | ||
1523 | ||
71bb244b AS |
1524 | void brcmf_usb_exit(void) |
1525 | { | |
cb8b73da | 1526 | brcmf_dbg(USB, "Enter\n"); |
71bb244b | 1527 | usb_deregister(&brcmf_usbdrvr); |
803599d4 | 1528 | brcmf_release_fw(&fw_image_list); |
71bb244b AS |
1529 | } |
1530 | ||
549040ab | 1531 | void brcmf_usb_init(void) |
71bb244b | 1532 | { |
cb8b73da | 1533 | brcmf_dbg(USB, "Enter\n"); |
803599d4 | 1534 | INIT_LIST_HEAD(&fw_image_list); |
549040ab | 1535 | usb_register(&brcmf_usbdrvr); |
71bb244b | 1536 | } |