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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; | |
df50f756 | 85 | spinlock_t tx_flowblock_lock; |
71bb244b AS |
86 | |
87 | struct brcmf_usbreq *tx_reqs; | |
88 | struct brcmf_usbreq *rx_reqs; | |
89 | ||
90 | u8 *image; /* buffer for combine fw and nvram */ | |
91 | int image_len; | |
92 | ||
71bb244b AS |
93 | struct usb_device *usbdev; |
94 | struct device *dev; | |
71bb244b AS |
95 | |
96 | int ctl_in_pipe, ctl_out_pipe; | |
97 | struct urb *ctl_urb; /* URB for control endpoint */ | |
98 | struct usb_ctrlrequest ctl_write; | |
99 | struct usb_ctrlrequest ctl_read; | |
100 | u32 ctl_urb_actual_length; | |
101 | int ctl_urb_status; | |
102 | int ctl_completed; | |
103 | wait_queue_head_t ioctl_resp_wait; | |
71bb244b AS |
104 | ulong ctl_op; |
105 | ||
71bb244b AS |
106 | struct urb *bulk_urb; /* used for FW download */ |
107 | struct urb *intr_urb; /* URB for interrupt endpoint */ | |
108 | int intr_size; /* Size of interrupt message */ | |
109 | int interval; /* Interrupt polling interval */ | |
110 | struct intr_transfer_buf intr; /* Data buffer for interrupt endpoint */ | |
71bb244b AS |
111 | }; |
112 | ||
113 | static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, | |
114 | struct brcmf_usbreq *req); | |
115 | ||
71bb244b AS |
116 | static struct brcmf_usbdev *brcmf_usb_get_buspub(struct device *dev) |
117 | { | |
118 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
119 | return bus_if->bus_priv.usb; | |
120 | } | |
121 | ||
122 | static struct brcmf_usbdev_info *brcmf_usb_get_businfo(struct device *dev) | |
123 | { | |
124 | return brcmf_usb_get_buspub(dev)->devinfo; | |
125 | } | |
126 | ||
70398a59 | 127 | static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info *devinfo) |
71bb244b | 128 | { |
70398a59 HM |
129 | return wait_event_timeout(devinfo->ioctl_resp_wait, |
130 | devinfo->ctl_completed, | |
131 | msecs_to_jiffies(IOCTL_RESP_TIMEOUT)); | |
71bb244b AS |
132 | } |
133 | ||
70398a59 | 134 | static void brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo) |
71bb244b AS |
135 | { |
136 | if (waitqueue_active(&devinfo->ioctl_resp_wait)) | |
70398a59 | 137 | wake_up(&devinfo->ioctl_resp_wait); |
71bb244b AS |
138 | } |
139 | ||
140 | static void | |
141 | brcmf_usb_ctl_complete(struct brcmf_usbdev_info *devinfo, int type, int status) | |
142 | { | |
cb8b73da | 143 | brcmf_dbg(USB, "Enter, status=%d\n", status); |
71bb244b AS |
144 | |
145 | if (unlikely(devinfo == NULL)) | |
146 | return; | |
147 | ||
148 | if (type == BRCMF_USB_CBCTL_READ) { | |
149 | if (status == 0) | |
150 | devinfo->bus_pub.stats.rx_ctlpkts++; | |
151 | else | |
152 | devinfo->bus_pub.stats.rx_ctlerrs++; | |
153 | } else if (type == BRCMF_USB_CBCTL_WRITE) { | |
154 | if (status == 0) | |
155 | devinfo->bus_pub.stats.tx_ctlpkts++; | |
156 | else | |
157 | devinfo->bus_pub.stats.tx_ctlerrs++; | |
158 | } | |
159 | ||
160 | devinfo->ctl_urb_status = status; | |
161 | devinfo->ctl_completed = true; | |
162 | brcmf_usb_ioctl_resp_wake(devinfo); | |
163 | } | |
164 | ||
165 | static void | |
166 | brcmf_usb_ctlread_complete(struct urb *urb) | |
167 | { | |
168 | struct brcmf_usbdev_info *devinfo = | |
169 | (struct brcmf_usbdev_info *)urb->context; | |
170 | ||
cb8b73da | 171 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
172 | devinfo->ctl_urb_actual_length = urb->actual_length; |
173 | brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_READ, | |
174 | urb->status); | |
175 | } | |
176 | ||
177 | static void | |
178 | brcmf_usb_ctlwrite_complete(struct urb *urb) | |
179 | { | |
180 | struct brcmf_usbdev_info *devinfo = | |
181 | (struct brcmf_usbdev_info *)urb->context; | |
182 | ||
cb8b73da | 183 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
184 | brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_WRITE, |
185 | urb->status); | |
186 | } | |
187 | ||
71bb244b AS |
188 | static int |
189 | brcmf_usb_send_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) | |
190 | { | |
191 | int ret; | |
192 | u16 size; | |
193 | ||
cb8b73da | 194 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
195 | if (devinfo == NULL || buf == NULL || |
196 | len == 0 || devinfo->ctl_urb == NULL) | |
197 | return -EINVAL; | |
198 | ||
71bb244b AS |
199 | size = len; |
200 | devinfo->ctl_write.wLength = cpu_to_le16p(&size); | |
201 | devinfo->ctl_urb->transfer_buffer_length = size; | |
202 | devinfo->ctl_urb_status = 0; | |
203 | devinfo->ctl_urb_actual_length = 0; | |
204 | ||
205 | usb_fill_control_urb(devinfo->ctl_urb, | |
206 | devinfo->usbdev, | |
207 | devinfo->ctl_out_pipe, | |
208 | (unsigned char *) &devinfo->ctl_write, | |
209 | buf, size, | |
210 | (usb_complete_t)brcmf_usb_ctlwrite_complete, | |
211 | devinfo); | |
212 | ||
213 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); | |
214 | if (ret < 0) | |
5e8149f5 | 215 | brcmf_err("usb_submit_urb failed %d\n", ret); |
71bb244b AS |
216 | |
217 | return ret; | |
218 | } | |
219 | ||
220 | static int | |
221 | brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) | |
222 | { | |
223 | int ret; | |
224 | u16 size; | |
225 | ||
cb8b73da | 226 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
227 | if ((devinfo == NULL) || (buf == NULL) || (len == 0) |
228 | || (devinfo->ctl_urb == NULL)) | |
229 | return -EINVAL; | |
230 | ||
231 | size = len; | |
232 | devinfo->ctl_read.wLength = cpu_to_le16p(&size); | |
233 | devinfo->ctl_urb->transfer_buffer_length = size; | |
234 | ||
81643292 HM |
235 | devinfo->ctl_read.bRequestType = USB_DIR_IN |
236 | | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
237 | devinfo->ctl_read.bRequest = 1; | |
71bb244b AS |
238 | |
239 | usb_fill_control_urb(devinfo->ctl_urb, | |
240 | devinfo->usbdev, | |
241 | devinfo->ctl_in_pipe, | |
242 | (unsigned char *) &devinfo->ctl_read, | |
243 | buf, size, | |
244 | (usb_complete_t)brcmf_usb_ctlread_complete, | |
245 | devinfo); | |
246 | ||
247 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); | |
248 | if (ret < 0) | |
5e8149f5 | 249 | brcmf_err("usb_submit_urb failed %d\n", ret); |
71bb244b AS |
250 | |
251 | return ret; | |
252 | } | |
253 | ||
254 | static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len) | |
255 | { | |
256 | int err = 0; | |
257 | int timeout = 0; | |
71bb244b AS |
258 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); |
259 | ||
cb8b73da | 260 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 | 261 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) |
71bb244b | 262 | return -EIO; |
71bb244b AS |
263 | |
264 | if (test_and_set_bit(0, &devinfo->ctl_op)) | |
265 | return -EIO; | |
266 | ||
a77f5747 | 267 | devinfo->ctl_completed = false; |
71bb244b AS |
268 | err = brcmf_usb_send_ctl(devinfo, buf, len); |
269 | if (err) { | |
5e8149f5 | 270 | brcmf_err("fail %d bytes: %d\n", err, len); |
6385df2d | 271 | clear_bit(0, &devinfo->ctl_op); |
71bb244b AS |
272 | return err; |
273 | } | |
70398a59 | 274 | timeout = brcmf_usb_ioctl_resp_wait(devinfo); |
71bb244b AS |
275 | clear_bit(0, &devinfo->ctl_op); |
276 | if (!timeout) { | |
5e8149f5 | 277 | brcmf_err("Txctl wait timed out\n"); |
71bb244b AS |
278 | err = -EIO; |
279 | } | |
280 | return err; | |
281 | } | |
282 | ||
283 | static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len) | |
284 | { | |
285 | int err = 0; | |
286 | int timeout = 0; | |
71bb244b AS |
287 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); |
288 | ||
cb8b73da | 289 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 | 290 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) |
71bb244b | 291 | return -EIO; |
7c38e698 | 292 | |
71bb244b AS |
293 | if (test_and_set_bit(0, &devinfo->ctl_op)) |
294 | return -EIO; | |
295 | ||
70398a59 | 296 | devinfo->ctl_completed = false; |
71bb244b AS |
297 | err = brcmf_usb_recv_ctl(devinfo, buf, len); |
298 | if (err) { | |
5e8149f5 | 299 | brcmf_err("fail %d bytes: %d\n", err, len); |
6385df2d | 300 | clear_bit(0, &devinfo->ctl_op); |
71bb244b AS |
301 | return err; |
302 | } | |
70398a59 | 303 | timeout = brcmf_usb_ioctl_resp_wait(devinfo); |
71bb244b AS |
304 | err = devinfo->ctl_urb_status; |
305 | clear_bit(0, &devinfo->ctl_op); | |
306 | if (!timeout) { | |
5e8149f5 | 307 | brcmf_err("rxctl wait timed out\n"); |
71bb244b AS |
308 | err = -EIO; |
309 | } | |
310 | if (!err) | |
311 | return devinfo->ctl_urb_actual_length; | |
312 | else | |
313 | return err; | |
314 | } | |
315 | ||
316 | static struct brcmf_usbreq *brcmf_usb_deq(struct brcmf_usbdev_info *devinfo, | |
c6ab4294 | 317 | struct list_head *q, int *counter) |
71bb244b AS |
318 | { |
319 | unsigned long flags; | |
320 | struct brcmf_usbreq *req; | |
321 | spin_lock_irqsave(&devinfo->qlock, flags); | |
322 | if (list_empty(q)) { | |
323 | spin_unlock_irqrestore(&devinfo->qlock, flags); | |
324 | return NULL; | |
325 | } | |
326 | req = list_entry(q->next, struct brcmf_usbreq, list); | |
327 | list_del_init(q->next); | |
c6ab4294 HM |
328 | if (counter) |
329 | (*counter)--; | |
71bb244b AS |
330 | spin_unlock_irqrestore(&devinfo->qlock, flags); |
331 | return req; | |
332 | ||
333 | } | |
334 | ||
335 | static void brcmf_usb_enq(struct brcmf_usbdev_info *devinfo, | |
c6ab4294 HM |
336 | struct list_head *q, struct brcmf_usbreq *req, |
337 | int *counter) | |
71bb244b AS |
338 | { |
339 | unsigned long flags; | |
340 | spin_lock_irqsave(&devinfo->qlock, flags); | |
341 | list_add_tail(&req->list, q); | |
c6ab4294 HM |
342 | if (counter) |
343 | (*counter)++; | |
71bb244b AS |
344 | spin_unlock_irqrestore(&devinfo->qlock, flags); |
345 | } | |
346 | ||
347 | static struct brcmf_usbreq * | |
348 | brcmf_usbdev_qinit(struct list_head *q, int qsize) | |
349 | { | |
350 | int i; | |
351 | struct brcmf_usbreq *req, *reqs; | |
352 | ||
14f8dc49 JP |
353 | reqs = kcalloc(qsize, sizeof(struct brcmf_usbreq), GFP_ATOMIC); |
354 | if (reqs == NULL) | |
71bb244b | 355 | return NULL; |
14f8dc49 | 356 | |
71bb244b AS |
357 | req = reqs; |
358 | ||
359 | for (i = 0; i < qsize; i++) { | |
360 | req->urb = usb_alloc_urb(0, GFP_ATOMIC); | |
361 | if (!req->urb) | |
362 | goto fail; | |
363 | ||
364 | INIT_LIST_HEAD(&req->list); | |
365 | list_add_tail(&req->list, q); | |
366 | req++; | |
367 | } | |
368 | return reqs; | |
369 | fail: | |
5e8149f5 | 370 | brcmf_err("fail!\n"); |
71bb244b AS |
371 | while (!list_empty(q)) { |
372 | req = list_entry(q->next, struct brcmf_usbreq, list); | |
373 | if (req && req->urb) | |
374 | usb_free_urb(req->urb); | |
375 | list_del(q->next); | |
376 | } | |
377 | return NULL; | |
378 | ||
379 | } | |
380 | ||
381 | static void brcmf_usb_free_q(struct list_head *q, bool pending) | |
382 | { | |
383 | struct brcmf_usbreq *req, *next; | |
384 | int i = 0; | |
385 | list_for_each_entry_safe(req, next, q, list) { | |
d4ca0099 | 386 | if (!req->urb) { |
5e8149f5 | 387 | brcmf_err("bad req\n"); |
71bb244b AS |
388 | break; |
389 | } | |
390 | i++; | |
391 | if (pending) { | |
392 | usb_kill_urb(req->urb); | |
393 | } else { | |
394 | usb_free_urb(req->urb); | |
395 | list_del_init(&req->list); | |
396 | } | |
397 | } | |
398 | } | |
399 | ||
400 | static void brcmf_usb_del_fromq(struct brcmf_usbdev_info *devinfo, | |
401 | struct brcmf_usbreq *req) | |
402 | { | |
403 | unsigned long flags; | |
404 | ||
405 | spin_lock_irqsave(&devinfo->qlock, flags); | |
406 | list_del_init(&req->list); | |
407 | spin_unlock_irqrestore(&devinfo->qlock, flags); | |
408 | } | |
409 | ||
410 | ||
411 | static void brcmf_usb_tx_complete(struct urb *urb) | |
412 | { | |
413 | struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; | |
414 | struct brcmf_usbdev_info *devinfo = req->devinfo; | |
df50f756 | 415 | unsigned long flags; |
71bb244b | 416 | |
cb8b73da HM |
417 | brcmf_dbg(USB, "Enter, urb->status=%d, skb=%p\n", urb->status, |
418 | req->skb); | |
71bb244b | 419 | brcmf_usb_del_fromq(devinfo, req); |
71bb244b | 420 | |
1e2d958b | 421 | brcmf_txcomplete(devinfo->dev, req->skb, urb->status == 0); |
71bb244b | 422 | req->skb = NULL; |
c6ab4294 | 423 | brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, &devinfo->tx_freecount); |
df50f756 | 424 | spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags); |
c6ab4294 HM |
425 | if (devinfo->tx_freecount > devinfo->tx_high_watermark && |
426 | devinfo->tx_flowblock) { | |
427 | brcmf_txflowblock(devinfo->dev, false); | |
428 | devinfo->tx_flowblock = false; | |
429 | } | |
df50f756 | 430 | spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags); |
71bb244b AS |
431 | } |
432 | ||
433 | static void brcmf_usb_rx_complete(struct urb *urb) | |
434 | { | |
435 | struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; | |
436 | struct brcmf_usbdev_info *devinfo = req->devinfo; | |
437 | struct sk_buff *skb; | |
71bb244b | 438 | |
cb8b73da | 439 | brcmf_dbg(USB, "Enter, urb->status=%d\n", urb->status); |
71bb244b AS |
440 | brcmf_usb_del_fromq(devinfo, req); |
441 | skb = req->skb; | |
442 | req->skb = NULL; | |
443 | ||
a43af515 | 444 | /* zero lenght packets indicate usb "failure". Do not refill */ |
b1a2a411 | 445 | if (urb->status != 0 || !urb->actual_length) { |
01e3331b | 446 | brcmu_pkt_buf_free_skb(skb); |
c6ab4294 | 447 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
448 | return; |
449 | } | |
450 | ||
7c38e698 | 451 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) { |
71bb244b | 452 | skb_put(skb, urb->actual_length); |
05f3820b | 453 | brcmf_rx_frame(devinfo->dev, skb); |
a43af515 | 454 | brcmf_usb_rx_refill(devinfo, req); |
71bb244b | 455 | } else { |
01e3331b | 456 | brcmu_pkt_buf_free_skb(skb); |
c6ab4294 | 457 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
458 | } |
459 | return; | |
460 | ||
461 | } | |
462 | ||
463 | static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, | |
464 | struct brcmf_usbreq *req) | |
465 | { | |
466 | struct sk_buff *skb; | |
467 | int ret; | |
468 | ||
469 | if (!req || !devinfo) | |
470 | return; | |
471 | ||
472 | skb = dev_alloc_skb(devinfo->bus_pub.bus_mtu); | |
473 | if (!skb) { | |
c6ab4294 | 474 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
475 | return; |
476 | } | |
477 | req->skb = skb; | |
478 | ||
479 | usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->rx_pipe, | |
480 | skb->data, skb_tailroom(skb), brcmf_usb_rx_complete, | |
481 | req); | |
71bb244b | 482 | req->devinfo = devinfo; |
c6ab4294 | 483 | brcmf_usb_enq(devinfo, &devinfo->rx_postq, req, NULL); |
71bb244b AS |
484 | |
485 | ret = usb_submit_urb(req->urb, GFP_ATOMIC); | |
2e875acd HM |
486 | if (ret) { |
487 | brcmf_usb_del_fromq(devinfo, req); | |
01e3331b | 488 | brcmu_pkt_buf_free_skb(req->skb); |
71bb244b | 489 | req->skb = NULL; |
c6ab4294 | 490 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
491 | } |
492 | return; | |
493 | } | |
494 | ||
495 | static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info *devinfo) | |
496 | { | |
497 | struct brcmf_usbreq *req; | |
498 | ||
7c38e698 | 499 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { |
5e8149f5 | 500 | brcmf_err("bus is not up=%d\n", devinfo->bus_pub.state); |
71bb244b AS |
501 | return; |
502 | } | |
c6ab4294 | 503 | while ((req = brcmf_usb_deq(devinfo, &devinfo->rx_freeq, NULL)) != NULL) |
71bb244b AS |
504 | brcmf_usb_rx_refill(devinfo, req); |
505 | } | |
506 | ||
507 | static void | |
508 | brcmf_usb_state_change(struct brcmf_usbdev_info *devinfo, int state) | |
509 | { | |
510 | struct brcmf_bus *bcmf_bus = devinfo->bus_pub.bus; | |
511 | int old_state; | |
512 | ||
cb8b73da HM |
513 | brcmf_dbg(USB, "Enter, current state=%d, new state=%d\n", |
514 | devinfo->bus_pub.state, state); | |
71bb244b AS |
515 | |
516 | if (devinfo->bus_pub.state == state) | |
517 | return; | |
518 | ||
519 | old_state = devinfo->bus_pub.state; | |
7c38e698 | 520 | devinfo->bus_pub.state = state; |
71bb244b AS |
521 | |
522 | /* update state of upper layer */ | |
7c38e698 | 523 | if (state == BRCMFMAC_USB_STATE_DOWN) { |
cb8b73da | 524 | brcmf_dbg(USB, "DBUS is down\n"); |
bb350711 | 525 | brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_DOWN); |
7c38e698 HM |
526 | } else if (state == BRCMFMAC_USB_STATE_UP) { |
527 | brcmf_dbg(USB, "DBUS is up\n"); | |
bb350711 | 528 | brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_DATA); |
71bb244b | 529 | } else { |
cb8b73da | 530 | brcmf_dbg(USB, "DBUS current state=%d\n", state); |
71bb244b AS |
531 | } |
532 | } | |
533 | ||
534 | static void | |
535 | brcmf_usb_intr_complete(struct urb *urb) | |
536 | { | |
537 | struct brcmf_usbdev_info *devinfo = | |
538 | (struct brcmf_usbdev_info *)urb->context; | |
7c38e698 | 539 | int err; |
71bb244b | 540 | |
cb8b73da HM |
541 | brcmf_dbg(USB, "Enter, urb->status=%d\n", urb->status); |
542 | ||
71bb244b AS |
543 | if (devinfo == NULL) |
544 | return; | |
545 | ||
546 | if (unlikely(urb->status)) { | |
7c38e698 HM |
547 | if (urb->status == -ENOENT || |
548 | urb->status == -ESHUTDOWN || | |
549 | urb->status == -ENODEV) { | |
550 | brcmf_usb_state_change(devinfo, | |
551 | BRCMFMAC_USB_STATE_DOWN); | |
71bb244b AS |
552 | } |
553 | } | |
554 | ||
7c38e698 | 555 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_DOWN) { |
5e8149f5 | 556 | brcmf_err("intr cb when DBUS down, ignoring\n"); |
71bb244b AS |
557 | return; |
558 | } | |
559 | ||
7c38e698 HM |
560 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) { |
561 | err = usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC); | |
562 | if (err) | |
5e8149f5 | 563 | brcmf_err("usb_submit_urb, err=%d\n", err); |
7c38e698 | 564 | } |
71bb244b AS |
565 | } |
566 | ||
567 | static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb) | |
568 | { | |
569 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
570 | struct brcmf_usbreq *req; | |
571 | int ret; | |
df50f756 | 572 | unsigned long flags; |
71bb244b | 573 | |
cb8b73da | 574 | brcmf_dbg(USB, "Enter, skb=%p\n", skb); |
6fc9ca13 AS |
575 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { |
576 | ret = -EIO; | |
577 | goto fail; | |
578 | } | |
71bb244b | 579 | |
c6ab4294 HM |
580 | req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq, |
581 | &devinfo->tx_freecount); | |
71bb244b | 582 | if (!req) { |
5e8149f5 | 583 | brcmf_err("no req to send\n"); |
6fc9ca13 AS |
584 | ret = -ENOMEM; |
585 | goto fail; | |
71bb244b | 586 | } |
71bb244b AS |
587 | |
588 | req->skb = skb; | |
589 | req->devinfo = devinfo; | |
590 | usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->tx_pipe, | |
591 | skb->data, skb->len, brcmf_usb_tx_complete, req); | |
592 | req->urb->transfer_flags |= URB_ZERO_PACKET; | |
c6ab4294 | 593 | brcmf_usb_enq(devinfo, &devinfo->tx_postq, req, NULL); |
71bb244b | 594 | ret = usb_submit_urb(req->urb, GFP_ATOMIC); |
2e875acd | 595 | if (ret) { |
5e8149f5 | 596 | brcmf_err("brcmf_usb_tx usb_submit_urb FAILED\n"); |
2e875acd | 597 | brcmf_usb_del_fromq(devinfo, req); |
71bb244b | 598 | req->skb = NULL; |
c6ab4294 | 599 | brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, |
6fc9ca13 AS |
600 | &devinfo->tx_freecount); |
601 | goto fail; | |
71bb244b AS |
602 | } |
603 | ||
df50f756 | 604 | spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags); |
6fc9ca13 AS |
605 | if (devinfo->tx_freecount < devinfo->tx_low_watermark && |
606 | !devinfo->tx_flowblock) { | |
607 | brcmf_txflowblock(dev, true); | |
608 | devinfo->tx_flowblock = true; | |
609 | } | |
df50f756 | 610 | spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags); |
6fc9ca13 AS |
611 | return 0; |
612 | ||
613 | fail: | |
71bb244b AS |
614 | return ret; |
615 | } | |
616 | ||
617 | ||
618 | static int brcmf_usb_up(struct device *dev) | |
619 | { | |
620 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
621 | u16 ifnum; | |
7c38e698 | 622 | int ret; |
71bb244b | 623 | |
cb8b73da | 624 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 | 625 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) |
d4ca0099 DC |
626 | return 0; |
627 | ||
71bb244b | 628 | /* Success, indicate devinfo is fully up */ |
7c38e698 | 629 | brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_UP); |
71bb244b AS |
630 | |
631 | if (devinfo->intr_urb) { | |
71bb244b AS |
632 | usb_fill_int_urb(devinfo->intr_urb, devinfo->usbdev, |
633 | devinfo->intr_pipe, | |
634 | &devinfo->intr, | |
635 | devinfo->intr_size, | |
636 | (usb_complete_t)brcmf_usb_intr_complete, | |
637 | devinfo, | |
638 | devinfo->interval); | |
639 | ||
640 | ret = usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC); | |
641 | if (ret) { | |
5e8149f5 | 642 | brcmf_err("USB_SUBMIT_URB failed with status %d\n", |
71bb244b AS |
643 | ret); |
644 | return -EINVAL; | |
645 | } | |
646 | } | |
647 | ||
648 | if (devinfo->ctl_urb) { | |
649 | devinfo->ctl_in_pipe = usb_rcvctrlpipe(devinfo->usbdev, 0); | |
650 | devinfo->ctl_out_pipe = usb_sndctrlpipe(devinfo->usbdev, 0); | |
651 | ||
652 | ifnum = IFDESC(devinfo->usbdev, CONTROL_IF).bInterfaceNumber; | |
653 | ||
654 | /* CTL Write */ | |
655 | devinfo->ctl_write.bRequestType = | |
656 | USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
657 | devinfo->ctl_write.bRequest = 0; | |
658 | devinfo->ctl_write.wValue = cpu_to_le16(0); | |
659 | devinfo->ctl_write.wIndex = cpu_to_le16p(&ifnum); | |
660 | ||
661 | /* CTL Read */ | |
662 | devinfo->ctl_read.bRequestType = | |
663 | USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
664 | devinfo->ctl_read.bRequest = 1; | |
665 | devinfo->ctl_read.wValue = cpu_to_le16(0); | |
666 | devinfo->ctl_read.wIndex = cpu_to_le16p(&ifnum); | |
667 | } | |
668 | brcmf_usb_rx_fill_all(devinfo); | |
669 | return 0; | |
670 | } | |
671 | ||
672 | static void brcmf_usb_down(struct device *dev) | |
673 | { | |
674 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
675 | ||
cb8b73da | 676 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
677 | if (devinfo == NULL) |
678 | return; | |
679 | ||
7c38e698 | 680 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_DOWN) |
71bb244b AS |
681 | return; |
682 | ||
7c38e698 | 683 | brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_DOWN); |
71bb244b AS |
684 | if (devinfo->intr_urb) |
685 | usb_kill_urb(devinfo->intr_urb); | |
686 | ||
687 | if (devinfo->ctl_urb) | |
688 | usb_kill_urb(devinfo->ctl_urb); | |
689 | ||
690 | if (devinfo->bulk_urb) | |
691 | usb_kill_urb(devinfo->bulk_urb); | |
692 | brcmf_usb_free_q(&devinfo->tx_postq, true); | |
693 | ||
694 | brcmf_usb_free_q(&devinfo->rx_postq, true); | |
695 | } | |
696 | ||
71bb244b AS |
697 | static void |
698 | brcmf_usb_sync_complete(struct urb *urb) | |
699 | { | |
700 | struct brcmf_usbdev_info *devinfo = | |
701 | (struct brcmf_usbdev_info *)urb->context; | |
702 | ||
1e271c95 HM |
703 | devinfo->ctl_completed = true; |
704 | brcmf_usb_ioctl_resp_wake(devinfo); | |
71bb244b AS |
705 | } |
706 | ||
707 | static bool brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd, | |
708 | void *buffer, int buflen) | |
709 | { | |
710 | int ret = 0; | |
711 | char *tmpbuf; | |
712 | u16 size; | |
713 | ||
714 | if ((!devinfo) || (devinfo->ctl_urb == NULL)) | |
715 | return false; | |
716 | ||
717 | tmpbuf = kmalloc(buflen, GFP_ATOMIC); | |
718 | if (!tmpbuf) | |
719 | return false; | |
720 | ||
721 | size = buflen; | |
722 | devinfo->ctl_urb->transfer_buffer_length = size; | |
723 | ||
724 | devinfo->ctl_read.wLength = cpu_to_le16p(&size); | |
725 | devinfo->ctl_read.bRequestType = USB_DIR_IN | USB_TYPE_VENDOR | | |
726 | USB_RECIP_INTERFACE; | |
727 | devinfo->ctl_read.bRequest = cmd; | |
728 | ||
729 | usb_fill_control_urb(devinfo->ctl_urb, | |
730 | devinfo->usbdev, | |
731 | usb_rcvctrlpipe(devinfo->usbdev, 0), | |
732 | (unsigned char *) &devinfo->ctl_read, | |
733 | (void *) tmpbuf, size, | |
734 | (usb_complete_t)brcmf_usb_sync_complete, devinfo); | |
735 | ||
1e271c95 | 736 | devinfo->ctl_completed = false; |
71bb244b AS |
737 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); |
738 | if (ret < 0) { | |
5e8149f5 | 739 | brcmf_err("usb_submit_urb failed %d\n", ret); |
71bb244b AS |
740 | kfree(tmpbuf); |
741 | return false; | |
742 | } | |
743 | ||
1e271c95 | 744 | ret = brcmf_usb_ioctl_resp_wait(devinfo); |
71bb244b AS |
745 | memcpy(buffer, tmpbuf, buflen); |
746 | kfree(tmpbuf); | |
747 | ||
1e271c95 | 748 | return ret; |
71bb244b AS |
749 | } |
750 | ||
751 | static bool | |
752 | brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo) | |
753 | { | |
754 | struct bootrom_id_le id; | |
755 | u32 chipid, chiprev; | |
756 | ||
cb8b73da | 757 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
758 | |
759 | if (devinfo == NULL) | |
760 | return false; | |
761 | ||
762 | /* Check if firmware downloaded already by querying runtime ID */ | |
763 | id.chip = cpu_to_le32(0xDEAD); | |
83bc9c31 | 764 | brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); |
71bb244b AS |
765 | |
766 | chipid = le32_to_cpu(id.chip); | |
767 | chiprev = le32_to_cpu(id.chiprev); | |
768 | ||
769 | if ((chipid & 0x4300) == 0x4300) | |
cb8b73da | 770 | brcmf_dbg(USB, "chip %x rev 0x%x\n", chipid, chiprev); |
71bb244b | 771 | else |
cb8b73da | 772 | brcmf_dbg(USB, "chip %d rev 0x%x\n", chipid, chiprev); |
71bb244b | 773 | if (chipid == BRCMF_POSTBOOT_ID) { |
cb8b73da | 774 | brcmf_dbg(USB, "firmware already downloaded\n"); |
83bc9c31 | 775 | brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); |
71bb244b AS |
776 | return false; |
777 | } else { | |
ac94f196 AS |
778 | devinfo->bus_pub.devid = chipid; |
779 | devinfo->bus_pub.chiprev = chiprev; | |
71bb244b AS |
780 | } |
781 | return true; | |
782 | } | |
783 | ||
784 | static int | |
785 | brcmf_usb_resetcfg(struct brcmf_usbdev_info *devinfo) | |
786 | { | |
787 | struct bootrom_id_le id; | |
83bc9c31 | 788 | u32 loop_cnt; |
71bb244b | 789 | |
cb8b73da | 790 | brcmf_dbg(USB, "Enter\n"); |
71bb244b | 791 | |
83bc9c31 HM |
792 | loop_cnt = 0; |
793 | do { | |
794 | mdelay(BRCMF_USB_RESET_GETVER_SPINWAIT); | |
795 | loop_cnt++; | |
71bb244b | 796 | id.chip = cpu_to_le32(0xDEAD); /* Get the ID */ |
83bc9c31 | 797 | brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); |
71bb244b AS |
798 | if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) |
799 | break; | |
83bc9c31 | 800 | } while (loop_cnt < BRCMF_USB_RESET_GETVER_LOOP_CNT); |
71bb244b AS |
801 | |
802 | if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) { | |
83bc9c31 HM |
803 | brcmf_dbg(USB, "postboot chip 0x%x/rev 0x%x\n", |
804 | le32_to_cpu(id.chip), le32_to_cpu(id.chiprev)); | |
71bb244b | 805 | |
83bc9c31 | 806 | brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); |
71bb244b AS |
807 | return 0; |
808 | } else { | |
5e8149f5 | 809 | brcmf_err("Cannot talk to Dongle. Firmware is not UP, %d ms\n", |
83bc9c31 | 810 | BRCMF_USB_RESET_GETVER_SPINWAIT * loop_cnt); |
71bb244b AS |
811 | return -EINVAL; |
812 | } | |
813 | } | |
814 | ||
815 | ||
816 | static int | |
817 | brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info *devinfo, void *buffer, int len) | |
818 | { | |
819 | int ret; | |
820 | ||
821 | if ((devinfo == NULL) || (devinfo->bulk_urb == NULL)) | |
822 | return -EINVAL; | |
823 | ||
824 | /* Prepare the URB */ | |
825 | usb_fill_bulk_urb(devinfo->bulk_urb, devinfo->usbdev, | |
826 | devinfo->tx_pipe, buffer, len, | |
827 | (usb_complete_t)brcmf_usb_sync_complete, devinfo); | |
828 | ||
829 | devinfo->bulk_urb->transfer_flags |= URB_ZERO_PACKET; | |
830 | ||
1e271c95 | 831 | devinfo->ctl_completed = false; |
71bb244b AS |
832 | ret = usb_submit_urb(devinfo->bulk_urb, GFP_ATOMIC); |
833 | if (ret) { | |
5e8149f5 | 834 | brcmf_err("usb_submit_urb failed %d\n", ret); |
71bb244b AS |
835 | return ret; |
836 | } | |
1e271c95 HM |
837 | ret = brcmf_usb_ioctl_resp_wait(devinfo); |
838 | return (ret == 0); | |
71bb244b AS |
839 | } |
840 | ||
841 | static int | |
842 | brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen) | |
843 | { | |
844 | unsigned int sendlen, sent, dllen; | |
845 | char *bulkchunk = NULL, *dlpos; | |
846 | struct rdl_state_le state; | |
847 | u32 rdlstate, rdlbytes; | |
848 | int err = 0; | |
cb8b73da HM |
849 | |
850 | brcmf_dbg(USB, "Enter, fw %p, len %d\n", fw, fwlen); | |
71bb244b AS |
851 | |
852 | bulkchunk = kmalloc(RDL_CHUNK, GFP_ATOMIC); | |
853 | if (bulkchunk == NULL) { | |
854 | err = -ENOMEM; | |
855 | goto fail; | |
856 | } | |
857 | ||
858 | /* 1) Prepare USB boot loader for runtime image */ | |
859 | brcmf_usb_dl_cmd(devinfo, DL_START, &state, | |
860 | sizeof(struct rdl_state_le)); | |
861 | ||
862 | rdlstate = le32_to_cpu(state.state); | |
863 | rdlbytes = le32_to_cpu(state.bytes); | |
864 | ||
865 | /* 2) Check we are in the Waiting state */ | |
866 | if (rdlstate != DL_WAITING) { | |
5e8149f5 | 867 | brcmf_err("Failed to DL_START\n"); |
71bb244b AS |
868 | err = -EINVAL; |
869 | goto fail; | |
870 | } | |
871 | sent = 0; | |
872 | dlpos = fw; | |
873 | dllen = fwlen; | |
874 | ||
875 | /* Get chip id and rev */ | |
876 | while (rdlbytes != dllen) { | |
877 | /* Wait until the usb device reports it received all | |
878 | * the bytes we sent */ | |
879 | if ((rdlbytes == sent) && (rdlbytes != dllen)) { | |
880 | if ((dllen-sent) < RDL_CHUNK) | |
881 | sendlen = dllen-sent; | |
882 | else | |
883 | sendlen = RDL_CHUNK; | |
884 | ||
885 | /* simply avoid having to send a ZLP by ensuring we | |
886 | * never have an even | |
887 | * multiple of 64 | |
888 | */ | |
889 | if (!(sendlen % 64)) | |
890 | sendlen -= 4; | |
891 | ||
892 | /* send data */ | |
893 | memcpy(bulkchunk, dlpos, sendlen); | |
894 | if (brcmf_usb_dl_send_bulk(devinfo, bulkchunk, | |
895 | sendlen)) { | |
5e8149f5 | 896 | brcmf_err("send_bulk failed\n"); |
71bb244b AS |
897 | err = -EINVAL; |
898 | goto fail; | |
899 | } | |
900 | ||
901 | dlpos += sendlen; | |
902 | sent += sendlen; | |
903 | } | |
904 | if (!brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, | |
905 | sizeof(struct rdl_state_le))) { | |
5e8149f5 | 906 | brcmf_err("DL_GETSTATE Failed xxxx\n"); |
71bb244b AS |
907 | err = -EINVAL; |
908 | goto fail; | |
909 | } | |
910 | ||
911 | rdlstate = le32_to_cpu(state.state); | |
912 | rdlbytes = le32_to_cpu(state.bytes); | |
913 | ||
914 | /* restart if an error is reported */ | |
915 | if (rdlstate == DL_BAD_HDR || rdlstate == DL_BAD_CRC) { | |
5e8149f5 | 916 | brcmf_err("Bad Hdr or Bad CRC state %d\n", |
71bb244b AS |
917 | rdlstate); |
918 | err = -EINVAL; | |
919 | goto fail; | |
920 | } | |
921 | } | |
922 | ||
923 | fail: | |
924 | kfree(bulkchunk); | |
cb8b73da | 925 | brcmf_dbg(USB, "Exit, err=%d\n", err); |
71bb244b AS |
926 | return err; |
927 | } | |
928 | ||
929 | static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len) | |
930 | { | |
931 | int err; | |
932 | ||
cb8b73da | 933 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
934 | |
935 | if (devinfo == NULL) | |
936 | return -EINVAL; | |
937 | ||
ac94f196 | 938 | if (devinfo->bus_pub.devid == 0xDEAD) |
71bb244b AS |
939 | return -EINVAL; |
940 | ||
941 | err = brcmf_usb_dl_writeimage(devinfo, fw, len); | |
942 | if (err == 0) | |
7c38e698 | 943 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_DONE; |
71bb244b | 944 | else |
7c38e698 | 945 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_FAIL; |
cb8b73da | 946 | brcmf_dbg(USB, "Exit, err=%d\n", err); |
71bb244b AS |
947 | |
948 | return err; | |
949 | } | |
950 | ||
951 | static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo) | |
952 | { | |
953 | struct rdl_state_le state; | |
954 | ||
cb8b73da | 955 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
956 | if (!devinfo) |
957 | return -EINVAL; | |
958 | ||
ac94f196 | 959 | if (devinfo->bus_pub.devid == 0xDEAD) |
71bb244b AS |
960 | return -EINVAL; |
961 | ||
962 | /* Check we are runnable */ | |
963 | brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, | |
964 | sizeof(struct rdl_state_le)); | |
965 | ||
966 | /* Start the image */ | |
967 | if (state.state == cpu_to_le32(DL_RUNNABLE)) { | |
968 | if (!brcmf_usb_dl_cmd(devinfo, DL_GO, &state, | |
969 | sizeof(struct rdl_state_le))) | |
970 | return -ENODEV; | |
971 | if (brcmf_usb_resetcfg(devinfo)) | |
972 | return -ENODEV; | |
973 | /* The Dongle may go for re-enumeration. */ | |
974 | } else { | |
5e8149f5 | 975 | brcmf_err("Dongle not runnable\n"); |
71bb244b AS |
976 | return -EINVAL; |
977 | } | |
cb8b73da | 978 | brcmf_dbg(USB, "Exit\n"); |
71bb244b AS |
979 | return 0; |
980 | } | |
981 | ||
982 | static bool brcmf_usb_chip_support(int chipid, int chiprev) | |
983 | { | |
984 | switch(chipid) { | |
70f0822c HM |
985 | case 43143: |
986 | return true; | |
71bb244b AS |
987 | case 43235: |
988 | case 43236: | |
989 | case 43238: | |
990 | return (chiprev == 3); | |
1212d370 HM |
991 | case 43242: |
992 | return true; | |
71bb244b AS |
993 | default: |
994 | break; | |
995 | } | |
996 | return false; | |
997 | } | |
998 | ||
999 | static int | |
1000 | brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo) | |
1001 | { | |
ac94f196 | 1002 | int devid, chiprev; |
71bb244b AS |
1003 | int err; |
1004 | ||
cb8b73da | 1005 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
1006 | if (devinfo == NULL) |
1007 | return -ENODEV; | |
1008 | ||
ac94f196 AS |
1009 | devid = devinfo->bus_pub.devid; |
1010 | chiprev = devinfo->bus_pub.chiprev; | |
71bb244b | 1011 | |
ac94f196 | 1012 | if (!brcmf_usb_chip_support(devid, chiprev)) { |
5e8149f5 | 1013 | brcmf_err("unsupported chip %d rev %d\n", |
ac94f196 | 1014 | devid, chiprev); |
71bb244b AS |
1015 | return -EINVAL; |
1016 | } | |
1017 | ||
1018 | if (!devinfo->image) { | |
5e8149f5 | 1019 | brcmf_err("No firmware!\n"); |
71bb244b AS |
1020 | return -ENOENT; |
1021 | } | |
1022 | ||
1023 | err = brcmf_usb_dlstart(devinfo, | |
1024 | devinfo->image, devinfo->image_len); | |
1025 | if (err == 0) | |
1026 | err = brcmf_usb_dlrun(devinfo); | |
1027 | return err; | |
1028 | } | |
1029 | ||
1030 | ||
d74a0b51 | 1031 | static void brcmf_usb_detach(struct brcmf_usbdev_info *devinfo) |
71bb244b | 1032 | { |
cb8b73da | 1033 | brcmf_dbg(USB, "Enter, devinfo %p\n", devinfo); |
71bb244b | 1034 | |
71bb244b AS |
1035 | /* free the URBS */ |
1036 | brcmf_usb_free_q(&devinfo->rx_freeq, false); | |
1037 | brcmf_usb_free_q(&devinfo->tx_freeq, false); | |
1038 | ||
1039 | usb_free_urb(devinfo->intr_urb); | |
1040 | usb_free_urb(devinfo->ctl_urb); | |
1041 | usb_free_urb(devinfo->bulk_urb); | |
1042 | ||
1043 | kfree(devinfo->tx_reqs); | |
1044 | kfree(devinfo->rx_reqs); | |
71bb244b AS |
1045 | } |
1046 | ||
1047 | #define TRX_MAGIC 0x30524448 /* "HDR0" */ | |
1048 | #define TRX_VERSION 1 /* Version 1 */ | |
1049 | #define TRX_MAX_LEN 0x3B0000 /* Max length */ | |
1050 | #define TRX_NO_HEADER 1 /* Do not write TRX header */ | |
1051 | #define TRX_MAX_OFFSET 3 /* Max number of individual files */ | |
1052 | #define TRX_UNCOMP_IMAGE 0x20 /* Trx contains uncompressed image */ | |
1053 | ||
1054 | struct trx_header_le { | |
1055 | __le32 magic; /* "HDR0" */ | |
1056 | __le32 len; /* Length of file including header */ | |
1057 | __le32 crc32; /* CRC from flag_version to end of file */ | |
1058 | __le32 flag_version; /* 0:15 flags, 16:31 version */ | |
1059 | __le32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of | |
1060 | * header */ | |
1061 | }; | |
1062 | ||
1063 | static int check_file(const u8 *headers) | |
1064 | { | |
1065 | struct trx_header_le *trx; | |
1066 | int actual_len = -1; | |
1067 | ||
cb8b73da | 1068 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
1069 | /* Extract trx header */ |
1070 | trx = (struct trx_header_le *) headers; | |
1071 | if (trx->magic != cpu_to_le32(TRX_MAGIC)) | |
1072 | return -1; | |
1073 | ||
1074 | headers += sizeof(struct trx_header_le); | |
1075 | ||
1076 | if (le32_to_cpu(trx->flag_version) & TRX_UNCOMP_IMAGE) { | |
1077 | actual_len = le32_to_cpu(trx->offsets[TRX_OFFSETS_DLFWLEN_IDX]); | |
1078 | return actual_len + sizeof(struct trx_header_le); | |
1079 | } | |
1080 | return -1; | |
1081 | } | |
1082 | ||
1083 | static int brcmf_usb_get_fw(struct brcmf_usbdev_info *devinfo) | |
1084 | { | |
1085 | s8 *fwname; | |
1086 | const struct firmware *fw; | |
803599d4 | 1087 | struct brcmf_usb_image *fw_image; |
71bb244b AS |
1088 | int err; |
1089 | ||
cb8b73da | 1090 | brcmf_dbg(USB, "Enter\n"); |
1212d370 | 1091 | switch (devinfo->bus_pub.devid) { |
70f0822c HM |
1092 | case 43143: |
1093 | fwname = BRCMF_USB_43143_FW_NAME; | |
1094 | break; | |
1212d370 HM |
1095 | case 43235: |
1096 | case 43236: | |
1097 | case 43238: | |
1098 | fwname = BRCMF_USB_43236_FW_NAME; | |
1099 | break; | |
1100 | case 43242: | |
1101 | fwname = BRCMF_USB_43242_FW_NAME; | |
1102 | break; | |
1103 | default: | |
1104 | return -EINVAL; | |
1105 | break; | |
1106 | } | |
cb8b73da | 1107 | brcmf_dbg(USB, "Loading FW %s\n", fwname); |
803599d4 HM |
1108 | list_for_each_entry(fw_image, &fw_image_list, list) { |
1109 | if (fw_image->fwname == fwname) { | |
1110 | devinfo->image = fw_image->image; | |
1111 | devinfo->image_len = fw_image->image_len; | |
1112 | return 0; | |
1113 | } | |
1114 | } | |
1115 | /* fw image not yet loaded. Load it now and add to list */ | |
71bb244b AS |
1116 | err = request_firmware(&fw, fwname, devinfo->dev); |
1117 | if (!fw) { | |
5e8149f5 | 1118 | brcmf_err("fail to request firmware %s\n", fwname); |
71bb244b AS |
1119 | return err; |
1120 | } | |
1121 | if (check_file(fw->data) < 0) { | |
5e8149f5 | 1122 | brcmf_err("invalid firmware %s\n", fwname); |
71bb244b AS |
1123 | return -EINVAL; |
1124 | } | |
1125 | ||
803599d4 HM |
1126 | fw_image = kzalloc(sizeof(*fw_image), GFP_ATOMIC); |
1127 | if (!fw_image) | |
1128 | return -ENOMEM; | |
1129 | INIT_LIST_HEAD(&fw_image->list); | |
1130 | list_add_tail(&fw_image->list, &fw_image_list); | |
1131 | fw_image->fwname = fwname; | |
1132 | fw_image->image = vmalloc(fw->size); | |
1133 | if (!fw_image->image) | |
71bb244b AS |
1134 | return -ENOMEM; |
1135 | ||
803599d4 HM |
1136 | memcpy(fw_image->image, fw->data, fw->size); |
1137 | fw_image->image_len = fw->size; | |
71bb244b AS |
1138 | |
1139 | release_firmware(fw); | |
803599d4 HM |
1140 | |
1141 | devinfo->image = fw_image->image; | |
1142 | devinfo->image_len = fw_image->image_len; | |
1143 | ||
71bb244b AS |
1144 | return 0; |
1145 | } | |
1146 | ||
1147 | ||
1148 | static | |
d74a0b51 HM |
1149 | struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo, |
1150 | int nrxq, int ntxq) | |
71bb244b | 1151 | { |
cb8b73da HM |
1152 | brcmf_dbg(USB, "Enter\n"); |
1153 | ||
71bb244b AS |
1154 | devinfo->bus_pub.nrxq = nrxq; |
1155 | devinfo->rx_low_watermark = nrxq / 2; | |
1156 | devinfo->bus_pub.devinfo = devinfo; | |
1157 | devinfo->bus_pub.ntxq = ntxq; | |
7c38e698 | 1158 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DOWN; |
71bb244b AS |
1159 | |
1160 | /* flow control when too many tx urbs posted */ | |
1161 | devinfo->tx_low_watermark = ntxq / 4; | |
1162 | devinfo->tx_high_watermark = devinfo->tx_low_watermark * 3; | |
71bb244b AS |
1163 | devinfo->bus_pub.bus_mtu = BRCMF_USB_MAX_PKT_SIZE; |
1164 | ||
1165 | /* Initialize other structure content */ | |
1166 | init_waitqueue_head(&devinfo->ioctl_resp_wait); | |
1167 | ||
1168 | /* Initialize the spinlocks */ | |
1169 | spin_lock_init(&devinfo->qlock); | |
df50f756 | 1170 | spin_lock_init(&devinfo->tx_flowblock_lock); |
71bb244b AS |
1171 | |
1172 | INIT_LIST_HEAD(&devinfo->rx_freeq); | |
1173 | INIT_LIST_HEAD(&devinfo->rx_postq); | |
1174 | ||
1175 | INIT_LIST_HEAD(&devinfo->tx_freeq); | |
1176 | INIT_LIST_HEAD(&devinfo->tx_postq); | |
1177 | ||
c6ab4294 HM |
1178 | devinfo->tx_flowblock = false; |
1179 | ||
71bb244b AS |
1180 | devinfo->rx_reqs = brcmf_usbdev_qinit(&devinfo->rx_freeq, nrxq); |
1181 | if (!devinfo->rx_reqs) | |
1182 | goto error; | |
1183 | ||
1184 | devinfo->tx_reqs = brcmf_usbdev_qinit(&devinfo->tx_freeq, ntxq); | |
1185 | if (!devinfo->tx_reqs) | |
1186 | goto error; | |
c6ab4294 | 1187 | devinfo->tx_freecount = ntxq; |
71bb244b AS |
1188 | |
1189 | devinfo->intr_urb = usb_alloc_urb(0, GFP_ATOMIC); | |
1190 | if (!devinfo->intr_urb) { | |
5e8149f5 | 1191 | brcmf_err("usb_alloc_urb (intr) failed\n"); |
71bb244b AS |
1192 | goto error; |
1193 | } | |
1194 | devinfo->ctl_urb = usb_alloc_urb(0, GFP_ATOMIC); | |
1195 | if (!devinfo->ctl_urb) { | |
5e8149f5 | 1196 | brcmf_err("usb_alloc_urb (ctl) failed\n"); |
71bb244b AS |
1197 | goto error; |
1198 | } | |
71bb244b AS |
1199 | devinfo->bulk_urb = usb_alloc_urb(0, GFP_ATOMIC); |
1200 | if (!devinfo->bulk_urb) { | |
5e8149f5 | 1201 | brcmf_err("usb_alloc_urb (bulk) failed\n"); |
71bb244b AS |
1202 | goto error; |
1203 | } | |
1204 | ||
71bb244b AS |
1205 | if (!brcmf_usb_dlneeded(devinfo)) |
1206 | return &devinfo->bus_pub; | |
1207 | ||
cb8b73da | 1208 | brcmf_dbg(USB, "Start fw downloading\n"); |
71bb244b AS |
1209 | if (brcmf_usb_get_fw(devinfo)) |
1210 | goto error; | |
1211 | ||
1212 | if (brcmf_usb_fw_download(devinfo)) | |
1213 | goto error; | |
1214 | ||
1215 | return &devinfo->bus_pub; | |
1216 | ||
1217 | error: | |
5e8149f5 | 1218 | brcmf_err("failed!\n"); |
d74a0b51 | 1219 | brcmf_usb_detach(devinfo); |
71bb244b AS |
1220 | return NULL; |
1221 | } | |
1222 | ||
d9cb2596 AS |
1223 | static struct brcmf_bus_ops brcmf_usb_bus_ops = { |
1224 | .txdata = brcmf_usb_tx, | |
d9cb2596 AS |
1225 | .stop = brcmf_usb_down, |
1226 | .txctl = brcmf_usb_tx_ctlpkt, | |
1227 | .rxctl = brcmf_usb_rx_ctlpkt, | |
1228 | }; | |
1229 | ||
4dd7de1f AS |
1230 | static int brcmf_usb_bus_setup(struct brcmf_usbdev_info *devinfo) |
1231 | { | |
1232 | int ret; | |
1233 | ||
1234 | /* Attach to the common driver interface */ | |
1235 | ret = brcmf_attach(devinfo->dev); | |
1236 | if (ret) { | |
1237 | brcmf_err("brcmf_attach failed\n"); | |
1238 | return ret; | |
1239 | } | |
1240 | ||
1241 | ret = brcmf_usb_up(devinfo->dev); | |
1242 | if (ret) | |
1243 | goto fail; | |
1244 | ||
1245 | ret = brcmf_bus_start(devinfo->dev); | |
1246 | if (ret) | |
1247 | goto fail; | |
1248 | ||
1249 | return 0; | |
1250 | fail: | |
1251 | brcmf_detach(devinfo->dev); | |
1252 | return ret; | |
1253 | } | |
1254 | ||
b87e2c48 | 1255 | static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) |
71bb244b AS |
1256 | { |
1257 | struct brcmf_bus *bus = NULL; | |
1258 | struct brcmf_usbdev *bus_pub = NULL; | |
1259 | int ret; | |
d74a0b51 | 1260 | struct device *dev = devinfo->dev; |
71bb244b | 1261 | |
cb8b73da | 1262 | brcmf_dbg(USB, "Enter\n"); |
d74a0b51 | 1263 | bus_pub = brcmf_usb_attach(devinfo, BRCMF_USB_NRXQ, BRCMF_USB_NTXQ); |
9cd23a71 HM |
1264 | if (!bus_pub) |
1265 | return -ENODEV; | |
71bb244b AS |
1266 | |
1267 | bus = kzalloc(sizeof(struct brcmf_bus), GFP_ATOMIC); | |
1268 | if (!bus) { | |
1269 | ret = -ENOMEM; | |
1270 | goto fail; | |
1271 | } | |
1272 | ||
d9cb2596 | 1273 | bus->dev = dev; |
71bb244b | 1274 | bus_pub->bus = bus; |
71bb244b AS |
1275 | bus->bus_priv.usb = bus_pub; |
1276 | dev_set_drvdata(dev, bus); | |
d9cb2596 | 1277 | bus->ops = &brcmf_usb_bus_ops; |
75d907d3 AS |
1278 | bus->chip = bus_pub->devid; |
1279 | bus->chiprev = bus_pub->chiprev; | |
943258b6 | 1280 | bus->proto_type = BRCMF_PROTO_BCDC; |
9cd18359 | 1281 | bus->always_use_fws_queue = true; |
71bb244b | 1282 | |
4dd7de1f | 1283 | ret = brcmf_usb_bus_setup(devinfo); |
e270b302 | 1284 | if (ret) { |
5e8149f5 | 1285 | brcmf_err("dongle is not responding\n"); |
71bb244b AS |
1286 | goto fail; |
1287 | } | |
1288 | ||
71bb244b AS |
1289 | return 0; |
1290 | fail: | |
1291 | /* Release resources in reverse order */ | |
71bb244b | 1292 | kfree(bus); |
d74a0b51 | 1293 | brcmf_usb_detach(devinfo); |
71bb244b AS |
1294 | return ret; |
1295 | } | |
1296 | ||
1297 | static void | |
d74a0b51 | 1298 | brcmf_usb_disconnect_cb(struct brcmf_usbdev_info *devinfo) |
71bb244b | 1299 | { |
d74a0b51 | 1300 | if (!devinfo) |
71bb244b | 1301 | return; |
cb8b73da | 1302 | brcmf_dbg(USB, "Enter, bus_pub %p\n", devinfo); |
71bb244b | 1303 | |
d74a0b51 HM |
1304 | brcmf_detach(devinfo->dev); |
1305 | kfree(devinfo->bus_pub.bus); | |
1306 | brcmf_usb_detach(devinfo); | |
71bb244b AS |
1307 | } |
1308 | ||
1309 | static int | |
1310 | brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
1311 | { | |
1312 | int ep; | |
1313 | struct usb_endpoint_descriptor *endpoint; | |
1314 | int ret = 0; | |
1315 | struct usb_device *usb = interface_to_usbdev(intf); | |
1316 | int num_of_eps; | |
1317 | u8 endpoint_num; | |
d74a0b51 | 1318 | struct brcmf_usbdev_info *devinfo; |
71bb244b | 1319 | |
cb8b73da | 1320 | brcmf_dbg(USB, "Enter\n"); |
71bb244b | 1321 | |
d74a0b51 HM |
1322 | devinfo = kzalloc(sizeof(*devinfo), GFP_ATOMIC); |
1323 | if (devinfo == NULL) | |
1324 | return -ENOMEM; | |
71bb244b | 1325 | |
d74a0b51 HM |
1326 | devinfo->usbdev = usb; |
1327 | devinfo->dev = &usb->dev; | |
71bb244b | 1328 | |
d74a0b51 | 1329 | usb_set_intfdata(intf, devinfo); |
71bb244b AS |
1330 | |
1331 | /* Check that the device supports only one configuration */ | |
1332 | if (usb->descriptor.bNumConfigurations != 1) { | |
1333 | ret = -1; | |
1334 | goto fail; | |
1335 | } | |
1336 | ||
1337 | if (usb->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) { | |
1338 | ret = -1; | |
1339 | goto fail; | |
1340 | } | |
1341 | ||
1342 | /* | |
1343 | * Only the BDC interface configuration is supported: | |
1344 | * Device class: USB_CLASS_VENDOR_SPEC | |
1345 | * if0 class: USB_CLASS_VENDOR_SPEC | |
1346 | * if0/ep0: control | |
1347 | * if0/ep1: bulk in | |
1348 | * if0/ep2: bulk out (ok if swapped with bulk in) | |
1349 | */ | |
1350 | if (CONFIGDESC(usb)->bNumInterfaces != 1) { | |
1351 | ret = -1; | |
1352 | goto fail; | |
1353 | } | |
1354 | ||
1355 | /* Check interface */ | |
1356 | if (IFDESC(usb, CONTROL_IF).bInterfaceClass != USB_CLASS_VENDOR_SPEC || | |
1357 | IFDESC(usb, CONTROL_IF).bInterfaceSubClass != 2 || | |
1358 | IFDESC(usb, CONTROL_IF).bInterfaceProtocol != 0xff) { | |
5e8149f5 | 1359 | brcmf_err("invalid control interface: class %d, subclass %d, proto %d\n", |
71bb244b AS |
1360 | IFDESC(usb, CONTROL_IF).bInterfaceClass, |
1361 | IFDESC(usb, CONTROL_IF).bInterfaceSubClass, | |
1362 | IFDESC(usb, CONTROL_IF).bInterfaceProtocol); | |
1363 | ret = -1; | |
1364 | goto fail; | |
1365 | } | |
1366 | ||
1367 | /* Check control endpoint */ | |
1368 | endpoint = &IFEPDESC(usb, CONTROL_IF, 0); | |
1369 | if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1370 | != USB_ENDPOINT_XFER_INT) { | |
5e8149f5 | 1371 | brcmf_err("invalid control endpoint %d\n", |
71bb244b AS |
1372 | endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK); |
1373 | ret = -1; | |
1374 | goto fail; | |
1375 | } | |
1376 | ||
1377 | endpoint_num = endpoint->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; | |
d74a0b51 | 1378 | devinfo->intr_pipe = usb_rcvintpipe(usb, endpoint_num); |
71bb244b | 1379 | |
d74a0b51 HM |
1380 | devinfo->rx_pipe = 0; |
1381 | devinfo->rx_pipe2 = 0; | |
1382 | devinfo->tx_pipe = 0; | |
71bb244b AS |
1383 | num_of_eps = IFDESC(usb, BULK_IF).bNumEndpoints - 1; |
1384 | ||
1385 | /* Check data endpoints and get pipes */ | |
1386 | for (ep = 1; ep <= num_of_eps; ep++) { | |
1387 | endpoint = &IFEPDESC(usb, BULK_IF, ep); | |
1388 | if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != | |
1389 | USB_ENDPOINT_XFER_BULK) { | |
5e8149f5 | 1390 | brcmf_err("invalid data endpoint %d\n", ep); |
71bb244b AS |
1391 | ret = -1; |
1392 | goto fail; | |
1393 | } | |
1394 | ||
1395 | endpoint_num = endpoint->bEndpointAddress & | |
1396 | USB_ENDPOINT_NUMBER_MASK; | |
1397 | if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
1398 | == USB_DIR_IN) { | |
d74a0b51 HM |
1399 | if (!devinfo->rx_pipe) { |
1400 | devinfo->rx_pipe = | |
71bb244b AS |
1401 | usb_rcvbulkpipe(usb, endpoint_num); |
1402 | } else { | |
d74a0b51 | 1403 | devinfo->rx_pipe2 = |
71bb244b AS |
1404 | usb_rcvbulkpipe(usb, endpoint_num); |
1405 | } | |
1406 | } else { | |
d74a0b51 | 1407 | devinfo->tx_pipe = usb_sndbulkpipe(usb, endpoint_num); |
71bb244b AS |
1408 | } |
1409 | } | |
1410 | ||
1411 | /* Allocate interrupt URB and data buffer */ | |
1412 | /* RNDIS says 8-byte intr, our old drivers used 4-byte */ | |
1413 | if (IFEPDESC(usb, CONTROL_IF, 0).wMaxPacketSize == cpu_to_le16(16)) | |
d74a0b51 | 1414 | devinfo->intr_size = 8; |
71bb244b | 1415 | else |
d74a0b51 | 1416 | devinfo->intr_size = 4; |
71bb244b | 1417 | |
d74a0b51 | 1418 | devinfo->interval = IFEPDESC(usb, CONTROL_IF, 0).bInterval; |
71bb244b | 1419 | |
71bb244b | 1420 | if (usb->speed == USB_SPEED_HIGH) |
cb8b73da | 1421 | brcmf_dbg(USB, "Broadcom high speed USB wireless device detected\n"); |
71bb244b | 1422 | else |
cb8b73da | 1423 | brcmf_dbg(USB, "Broadcom full speed USB wireless device detected\n"); |
71bb244b | 1424 | |
b87e2c48 | 1425 | ret = brcmf_usb_probe_cb(devinfo); |
71bb244b AS |
1426 | if (ret) |
1427 | goto fail; | |
1428 | ||
1429 | /* Success */ | |
1430 | return 0; | |
1431 | ||
1432 | fail: | |
5e8149f5 | 1433 | brcmf_err("failed with errno %d\n", ret); |
d74a0b51 | 1434 | kfree(devinfo); |
71bb244b AS |
1435 | usb_set_intfdata(intf, NULL); |
1436 | return ret; | |
1437 | ||
1438 | } | |
1439 | ||
1440 | static void | |
1441 | brcmf_usb_disconnect(struct usb_interface *intf) | |
1442 | { | |
d74a0b51 | 1443 | struct brcmf_usbdev_info *devinfo; |
71bb244b | 1444 | |
cb8b73da | 1445 | brcmf_dbg(USB, "Enter\n"); |
d74a0b51 HM |
1446 | devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf); |
1447 | brcmf_usb_disconnect_cb(devinfo); | |
1448 | kfree(devinfo); | |
cb8b73da | 1449 | brcmf_dbg(USB, "Exit\n"); |
71bb244b AS |
1450 | } |
1451 | ||
1452 | /* | |
7c38e698 | 1453 | * only need to signal the bus being down and update the state. |
71bb244b AS |
1454 | */ |
1455 | static int brcmf_usb_suspend(struct usb_interface *intf, pm_message_t state) | |
1456 | { | |
1457 | struct usb_device *usb = interface_to_usbdev(intf); | |
1458 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); | |
1459 | ||
cb8b73da | 1460 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 HM |
1461 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_SLEEP; |
1462 | brcmf_detach(&usb->dev); | |
71bb244b AS |
1463 | return 0; |
1464 | } | |
1465 | ||
1466 | /* | |
7c38e698 | 1467 | * (re-) start the bus. |
71bb244b AS |
1468 | */ |
1469 | static int brcmf_usb_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 | ||
cb8b73da | 1474 | brcmf_dbg(USB, "Enter\n"); |
4dd7de1f | 1475 | return brcmf_usb_bus_setup(devinfo); |
71bb244b AS |
1476 | } |
1477 | ||
7c38e698 HM |
1478 | static int brcmf_usb_reset_resume(struct usb_interface *intf) |
1479 | { | |
1480 | struct usb_device *usb = interface_to_usbdev(intf); | |
1481 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); | |
1482 | ||
1483 | brcmf_dbg(USB, "Enter\n"); | |
1484 | ||
1485 | if (!brcmf_usb_fw_download(devinfo)) | |
4dd7de1f | 1486 | return brcmf_usb_bus_setup(devinfo); |
7c38e698 HM |
1487 | |
1488 | return -EIO; | |
1489 | } | |
1490 | ||
71bb244b | 1491 | #define BRCMF_USB_VENDOR_ID_BROADCOM 0x0a5c |
70f0822c | 1492 | #define BRCMF_USB_DEVICE_ID_43143 0xbd1e |
71bb244b | 1493 | #define BRCMF_USB_DEVICE_ID_43236 0xbd17 |
1212d370 | 1494 | #define BRCMF_USB_DEVICE_ID_43242 0xbd1f |
71bb244b AS |
1495 | #define BRCMF_USB_DEVICE_ID_BCMFW 0x0bdc |
1496 | ||
1497 | static struct usb_device_id brcmf_usb_devid_table[] = { | |
70f0822c | 1498 | { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_43143) }, |
71bb244b | 1499 | { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_43236) }, |
1212d370 | 1500 | { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_43242) }, |
71bb244b AS |
1501 | /* special entry for device with firmware loaded and running */ |
1502 | { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_BCMFW) }, | |
1503 | { } | |
1504 | }; | |
5cfd6e88 | 1505 | |
71bb244b | 1506 | MODULE_DEVICE_TABLE(usb, brcmf_usb_devid_table); |
70f0822c | 1507 | MODULE_FIRMWARE(BRCMF_USB_43143_FW_NAME); |
fda82417 | 1508 | MODULE_FIRMWARE(BRCMF_USB_43236_FW_NAME); |
1212d370 | 1509 | MODULE_FIRMWARE(BRCMF_USB_43242_FW_NAME); |
71bb244b | 1510 | |
71bb244b AS |
1511 | static struct usb_driver brcmf_usbdrvr = { |
1512 | .name = KBUILD_MODNAME, | |
1513 | .probe = brcmf_usb_probe, | |
1514 | .disconnect = brcmf_usb_disconnect, | |
1515 | .id_table = brcmf_usb_devid_table, | |
1516 | .suspend = brcmf_usb_suspend, | |
1517 | .resume = brcmf_usb_resume, | |
7c38e698 | 1518 | .reset_resume = brcmf_usb_reset_resume, |
c51fa668 | 1519 | .supports_autosuspend = 1, |
e1f12eb6 | 1520 | .disable_hub_initiated_lpm = 1, |
71bb244b AS |
1521 | }; |
1522 | ||
803599d4 HM |
1523 | static void brcmf_release_fw(struct list_head *q) |
1524 | { | |
1525 | struct brcmf_usb_image *fw_image, *next; | |
1526 | ||
1527 | list_for_each_entry_safe(fw_image, next, q, list) { | |
1528 | vfree(fw_image->image); | |
1529 | list_del_init(&fw_image->list); | |
1530 | } | |
1531 | } | |
1532 | ||
81d5f1bb AS |
1533 | static int brcmf_usb_reset_device(struct device *dev, void *notused) |
1534 | { | |
1535 | /* device past is the usb interface so we | |
1536 | * need to use parent here. | |
1537 | */ | |
1538 | brcmf_dev_reset(dev->parent); | |
1539 | return 0; | |
1540 | } | |
803599d4 | 1541 | |
71bb244b AS |
1542 | void brcmf_usb_exit(void) |
1543 | { | |
81d5f1bb AS |
1544 | struct device_driver *drv = &brcmf_usbdrvr.drvwrap.driver; |
1545 | int ret; | |
1546 | ||
cb8b73da | 1547 | brcmf_dbg(USB, "Enter\n"); |
81d5f1bb AS |
1548 | ret = driver_for_each_device(drv, NULL, NULL, |
1549 | brcmf_usb_reset_device); | |
71bb244b | 1550 | usb_deregister(&brcmf_usbdrvr); |
803599d4 | 1551 | brcmf_release_fw(&fw_image_list); |
71bb244b AS |
1552 | } |
1553 | ||
db4efbbe | 1554 | void brcmf_usb_register(void) |
71bb244b | 1555 | { |
cb8b73da | 1556 | brcmf_dbg(USB, "Enter\n"); |
803599d4 | 1557 | INIT_LIST_HEAD(&fw_image_list); |
549040ab | 1558 | usb_register(&brcmf_usbdrvr); |
71bb244b | 1559 | } |