Commit | Line | Data |
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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 | 23 | #include <brcmu_utils.h> |
5779ae6a | 24 | #include <brcm_hw_ids.h> |
71bb244b | 25 | #include <brcmu_wifi.h> |
d14f78b9 | 26 | #include "bus.h" |
a8e8ed34 | 27 | #include "debug.h" |
5b8045d4 | 28 | #include "firmware.h" |
71bb244b | 29 | #include "usb.h" |
af5b5e62 HM |
30 | #include "core.h" |
31 | #include "common.h" | |
71bb244b | 32 | |
ac83d0b0 | 33 | |
63ce3d5d | 34 | #define IOCTL_RESP_TIMEOUT msecs_to_jiffies(2000) |
71bb244b | 35 | |
83bc9c31 HM |
36 | #define BRCMF_USB_RESET_GETVER_SPINWAIT 100 /* in unit of ms */ |
37 | #define BRCMF_USB_RESET_GETVER_LOOP_CNT 10 | |
71bb244b AS |
38 | |
39 | #define BRCMF_POSTBOOT_ID 0xA123 /* ID to detect if dongle | |
40 | has boot up */ | |
51c7f5ed HM |
41 | #define BRCMF_USB_NRXQ 50 |
42 | #define BRCMF_USB_NTXQ 50 | |
71bb244b | 43 | |
51c7f5ed HM |
44 | #define BRCMF_USB_CBCTL_WRITE 0 |
45 | #define BRCMF_USB_CBCTL_READ 1 | |
46 | #define BRCMF_USB_MAX_PKT_SIZE 1600 | |
71bb244b | 47 | |
46d703a7 HM |
48 | BRCMF_FW_DEF(43143, "brcmfmac43143.bin"); |
49 | BRCMF_FW_DEF(43236B, "brcmfmac43236b.bin"); | |
50 | BRCMF_FW_DEF(43242A, "brcmfmac43242a.bin"); | |
51 | BRCMF_FW_DEF(43569, "brcmfmac43569.bin"); | |
52 | ||
53 | static struct brcmf_firmware_mapping brcmf_usb_fwnames[] = { | |
54 | BRCMF_FW_ENTRY(BRCM_CC_43143_CHIP_ID, 0xFFFFFFFF, 43143), | |
55 | BRCMF_FW_ENTRY(BRCM_CC_43235_CHIP_ID, 0x00000008, 43236B), | |
56 | BRCMF_FW_ENTRY(BRCM_CC_43236_CHIP_ID, 0x00000008, 43236B), | |
57 | BRCMF_FW_ENTRY(BRCM_CC_43238_CHIP_ID, 0x00000008, 43236B), | |
58 | BRCMF_FW_ENTRY(BRCM_CC_43242_CHIP_ID, 0xFFFFFFFF, 43242A), | |
59 | BRCMF_FW_ENTRY(BRCM_CC_43566_CHIP_ID, 0xFFFFFFFF, 43569), | |
60 | BRCMF_FW_ENTRY(BRCM_CC_43569_CHIP_ID, 0xFFFFFFFF, 43569) | |
61 | }; | |
71bb244b | 62 | |
ac83d0b0 HM |
63 | #define TRX_MAGIC 0x30524448 /* "HDR0" */ |
64 | #define TRX_MAX_OFFSET 3 /* Max number of file offsets */ | |
65 | #define TRX_UNCOMP_IMAGE 0x20 /* Trx holds uncompressed img */ | |
66 | #define TRX_RDL_CHUNK 1500 /* size of each dl transfer */ | |
67 | #define TRX_OFFSETS_DLFWLEN_IDX 0 | |
68 | ||
69 | /* Control messages: bRequest values */ | |
70 | #define DL_GETSTATE 0 /* returns the rdl_state_t struct */ | |
71 | #define DL_CHECK_CRC 1 /* currently unused */ | |
72 | #define DL_GO 2 /* execute downloaded image */ | |
73 | #define DL_START 3 /* initialize dl state */ | |
74 | #define DL_REBOOT 4 /* reboot the device in 2 seconds */ | |
75 | #define DL_GETVER 5 /* returns the bootrom_id_t struct */ | |
76 | #define DL_GO_PROTECTED 6 /* execute the downloaded code and set reset | |
77 | * event to occur in 2 seconds. It is the | |
78 | * responsibility of the downloaded code to | |
79 | * clear this event | |
80 | */ | |
81 | #define DL_EXEC 7 /* jump to a supplied address */ | |
82 | #define DL_RESETCFG 8 /* To support single enum on dongle | |
83 | * - Not used by bootloader | |
84 | */ | |
85 | #define DL_DEFER_RESP_OK 9 /* Potentially defer the response to setup | |
86 | * if resp unavailable | |
87 | */ | |
88 | ||
89 | /* states */ | |
90 | #define DL_WAITING 0 /* waiting to rx first pkt */ | |
91 | #define DL_READY 1 /* hdr was good, waiting for more of the | |
92 | * compressed image | |
93 | */ | |
94 | #define DL_BAD_HDR 2 /* hdr was corrupted */ | |
95 | #define DL_BAD_CRC 3 /* compressed image was corrupted */ | |
96 | #define DL_RUNNABLE 4 /* download was successful,waiting for go cmd */ | |
97 | #define DL_START_FAIL 5 /* failed to initialize correctly */ | |
98 | #define DL_NVRAM_TOOBIG 6 /* host specified nvram data exceeds DL_NVRAM | |
99 | * value | |
100 | */ | |
101 | #define DL_IMAGE_TOOBIG 7 /* firmware image too big */ | |
102 | ||
103 | ||
104 | struct trx_header_le { | |
105 | __le32 magic; /* "HDR0" */ | |
106 | __le32 len; /* Length of file including header */ | |
107 | __le32 crc32; /* CRC from flag_version to end of file */ | |
108 | __le32 flag_version; /* 0:15 flags, 16:31 version */ | |
109 | __le32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of | |
110 | * header | |
111 | */ | |
112 | }; | |
113 | ||
114 | struct rdl_state_le { | |
115 | __le32 state; | |
116 | __le32 bytes; | |
117 | }; | |
118 | ||
119 | struct bootrom_id_le { | |
120 | __le32 chip; /* Chip id */ | |
121 | __le32 chiprev; /* Chip rev */ | |
122 | __le32 ramsize; /* Size of RAM */ | |
123 | __le32 remapbase; /* Current remap base address */ | |
124 | __le32 boardtype; /* Type of board */ | |
125 | __le32 boardrev; /* Board revision */ | |
126 | }; | |
127 | ||
71bb244b | 128 | struct brcmf_usb_image { |
803599d4 HM |
129 | struct list_head list; |
130 | s8 *fwname; | |
131 | u8 *image; | |
132 | int image_len; | |
71bb244b | 133 | }; |
71bb244b | 134 | |
71bb244b AS |
135 | struct brcmf_usbdev_info { |
136 | struct brcmf_usbdev bus_pub; /* MUST BE FIRST */ | |
137 | spinlock_t qlock; | |
138 | struct list_head rx_freeq; | |
139 | struct list_head rx_postq; | |
140 | struct list_head tx_freeq; | |
141 | struct list_head tx_postq; | |
51c7f5ed | 142 | uint rx_pipe, tx_pipe; |
71bb244b | 143 | |
71bb244b AS |
144 | int rx_low_watermark; |
145 | int tx_low_watermark; | |
146 | int tx_high_watermark; | |
c6ab4294 HM |
147 | int tx_freecount; |
148 | bool tx_flowblock; | |
df50f756 | 149 | spinlock_t tx_flowblock_lock; |
71bb244b AS |
150 | |
151 | struct brcmf_usbreq *tx_reqs; | |
152 | struct brcmf_usbreq *rx_reqs; | |
153 | ||
46d703a7 | 154 | char fw_name[BRCMF_FW_NAME_LEN]; |
5b8045d4 | 155 | const u8 *image; /* buffer for combine fw and nvram */ |
71bb244b AS |
156 | int image_len; |
157 | ||
71bb244b AS |
158 | struct usb_device *usbdev; |
159 | struct device *dev; | |
185f0eb0 | 160 | struct mutex dev_init_lock; |
71bb244b AS |
161 | |
162 | int ctl_in_pipe, ctl_out_pipe; | |
163 | struct urb *ctl_urb; /* URB for control endpoint */ | |
164 | struct usb_ctrlrequest ctl_write; | |
165 | struct usb_ctrlrequest ctl_read; | |
166 | u32 ctl_urb_actual_length; | |
167 | int ctl_urb_status; | |
168 | int ctl_completed; | |
169 | wait_queue_head_t ioctl_resp_wait; | |
71bb244b | 170 | ulong ctl_op; |
51c7f5ed | 171 | u8 ifnum; |
71bb244b | 172 | |
71bb244b | 173 | struct urb *bulk_urb; /* used for FW download */ |
244b124c HM |
174 | |
175 | bool wowl_enabled; | |
af5b5e62 | 176 | struct brcmf_mp_device *settings; |
71bb244b AS |
177 | }; |
178 | ||
179 | static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, | |
180 | struct brcmf_usbreq *req); | |
181 | ||
71bb244b AS |
182 | static struct brcmf_usbdev *brcmf_usb_get_buspub(struct device *dev) |
183 | { | |
184 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
185 | return bus_if->bus_priv.usb; | |
186 | } | |
187 | ||
188 | static struct brcmf_usbdev_info *brcmf_usb_get_businfo(struct device *dev) | |
189 | { | |
190 | return brcmf_usb_get_buspub(dev)->devinfo; | |
191 | } | |
192 | ||
70398a59 | 193 | static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info *devinfo) |
71bb244b | 194 | { |
70398a59 | 195 | return wait_event_timeout(devinfo->ioctl_resp_wait, |
63ce3d5d | 196 | devinfo->ctl_completed, IOCTL_RESP_TIMEOUT); |
71bb244b AS |
197 | } |
198 | ||
70398a59 | 199 | static void brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo) |
71bb244b | 200 | { |
a7decc44 | 201 | wake_up(&devinfo->ioctl_resp_wait); |
71bb244b AS |
202 | } |
203 | ||
204 | static void | |
205 | brcmf_usb_ctl_complete(struct brcmf_usbdev_info *devinfo, int type, int status) | |
206 | { | |
cb8b73da | 207 | brcmf_dbg(USB, "Enter, status=%d\n", status); |
71bb244b AS |
208 | |
209 | if (unlikely(devinfo == NULL)) | |
210 | return; | |
211 | ||
212 | if (type == BRCMF_USB_CBCTL_READ) { | |
213 | if (status == 0) | |
214 | devinfo->bus_pub.stats.rx_ctlpkts++; | |
215 | else | |
216 | devinfo->bus_pub.stats.rx_ctlerrs++; | |
217 | } else if (type == BRCMF_USB_CBCTL_WRITE) { | |
218 | if (status == 0) | |
219 | devinfo->bus_pub.stats.tx_ctlpkts++; | |
220 | else | |
221 | devinfo->bus_pub.stats.tx_ctlerrs++; | |
222 | } | |
223 | ||
224 | devinfo->ctl_urb_status = status; | |
225 | devinfo->ctl_completed = true; | |
226 | brcmf_usb_ioctl_resp_wake(devinfo); | |
227 | } | |
228 | ||
229 | static void | |
230 | brcmf_usb_ctlread_complete(struct urb *urb) | |
231 | { | |
232 | struct brcmf_usbdev_info *devinfo = | |
233 | (struct brcmf_usbdev_info *)urb->context; | |
234 | ||
cb8b73da | 235 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
236 | devinfo->ctl_urb_actual_length = urb->actual_length; |
237 | brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_READ, | |
238 | urb->status); | |
239 | } | |
240 | ||
241 | static void | |
242 | brcmf_usb_ctlwrite_complete(struct urb *urb) | |
243 | { | |
244 | struct brcmf_usbdev_info *devinfo = | |
245 | (struct brcmf_usbdev_info *)urb->context; | |
246 | ||
cb8b73da | 247 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
248 | brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_WRITE, |
249 | urb->status); | |
250 | } | |
251 | ||
71bb244b AS |
252 | static int |
253 | brcmf_usb_send_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) | |
254 | { | |
255 | int ret; | |
256 | u16 size; | |
257 | ||
cb8b73da | 258 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
259 | if (devinfo == NULL || buf == NULL || |
260 | len == 0 || devinfo->ctl_urb == NULL) | |
261 | return -EINVAL; | |
262 | ||
71bb244b AS |
263 | size = len; |
264 | devinfo->ctl_write.wLength = cpu_to_le16p(&size); | |
265 | devinfo->ctl_urb->transfer_buffer_length = size; | |
266 | devinfo->ctl_urb_status = 0; | |
267 | devinfo->ctl_urb_actual_length = 0; | |
268 | ||
269 | usb_fill_control_urb(devinfo->ctl_urb, | |
270 | devinfo->usbdev, | |
271 | devinfo->ctl_out_pipe, | |
272 | (unsigned char *) &devinfo->ctl_write, | |
273 | buf, size, | |
274 | (usb_complete_t)brcmf_usb_ctlwrite_complete, | |
275 | devinfo); | |
276 | ||
277 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); | |
278 | if (ret < 0) | |
5e8149f5 | 279 | brcmf_err("usb_submit_urb failed %d\n", ret); |
71bb244b AS |
280 | |
281 | return ret; | |
282 | } | |
283 | ||
284 | static int | |
285 | brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) | |
286 | { | |
287 | int ret; | |
288 | u16 size; | |
289 | ||
cb8b73da | 290 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
291 | if ((devinfo == NULL) || (buf == NULL) || (len == 0) |
292 | || (devinfo->ctl_urb == NULL)) | |
293 | return -EINVAL; | |
294 | ||
295 | size = len; | |
296 | devinfo->ctl_read.wLength = cpu_to_le16p(&size); | |
297 | devinfo->ctl_urb->transfer_buffer_length = size; | |
298 | ||
81643292 HM |
299 | devinfo->ctl_read.bRequestType = USB_DIR_IN |
300 | | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
301 | devinfo->ctl_read.bRequest = 1; | |
71bb244b AS |
302 | |
303 | usb_fill_control_urb(devinfo->ctl_urb, | |
304 | devinfo->usbdev, | |
305 | devinfo->ctl_in_pipe, | |
306 | (unsigned char *) &devinfo->ctl_read, | |
307 | buf, size, | |
308 | (usb_complete_t)brcmf_usb_ctlread_complete, | |
309 | devinfo); | |
310 | ||
311 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); | |
312 | if (ret < 0) | |
5e8149f5 | 313 | brcmf_err("usb_submit_urb failed %d\n", ret); |
71bb244b AS |
314 | |
315 | return ret; | |
316 | } | |
317 | ||
318 | static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len) | |
319 | { | |
320 | int err = 0; | |
321 | int timeout = 0; | |
71bb244b AS |
322 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); |
323 | ||
cb8b73da | 324 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 | 325 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) |
71bb244b | 326 | return -EIO; |
71bb244b AS |
327 | |
328 | if (test_and_set_bit(0, &devinfo->ctl_op)) | |
329 | return -EIO; | |
330 | ||
a77f5747 | 331 | devinfo->ctl_completed = false; |
71bb244b AS |
332 | err = brcmf_usb_send_ctl(devinfo, buf, len); |
333 | if (err) { | |
5e8149f5 | 334 | brcmf_err("fail %d bytes: %d\n", err, len); |
6385df2d | 335 | clear_bit(0, &devinfo->ctl_op); |
71bb244b AS |
336 | return err; |
337 | } | |
70398a59 | 338 | timeout = brcmf_usb_ioctl_resp_wait(devinfo); |
71bb244b AS |
339 | clear_bit(0, &devinfo->ctl_op); |
340 | if (!timeout) { | |
5e8149f5 | 341 | brcmf_err("Txctl wait timed out\n"); |
71bb244b AS |
342 | err = -EIO; |
343 | } | |
344 | return err; | |
345 | } | |
346 | ||
347 | static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len) | |
348 | { | |
349 | int err = 0; | |
350 | int timeout = 0; | |
71bb244b AS |
351 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); |
352 | ||
cb8b73da | 353 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 | 354 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) |
71bb244b | 355 | return -EIO; |
7c38e698 | 356 | |
71bb244b AS |
357 | if (test_and_set_bit(0, &devinfo->ctl_op)) |
358 | return -EIO; | |
359 | ||
70398a59 | 360 | devinfo->ctl_completed = false; |
71bb244b AS |
361 | err = brcmf_usb_recv_ctl(devinfo, buf, len); |
362 | if (err) { | |
5e8149f5 | 363 | brcmf_err("fail %d bytes: %d\n", err, len); |
6385df2d | 364 | clear_bit(0, &devinfo->ctl_op); |
71bb244b AS |
365 | return err; |
366 | } | |
70398a59 | 367 | timeout = brcmf_usb_ioctl_resp_wait(devinfo); |
71bb244b AS |
368 | err = devinfo->ctl_urb_status; |
369 | clear_bit(0, &devinfo->ctl_op); | |
370 | if (!timeout) { | |
5e8149f5 | 371 | brcmf_err("rxctl wait timed out\n"); |
71bb244b AS |
372 | err = -EIO; |
373 | } | |
374 | if (!err) | |
375 | return devinfo->ctl_urb_actual_length; | |
376 | else | |
377 | return err; | |
378 | } | |
379 | ||
380 | static struct brcmf_usbreq *brcmf_usb_deq(struct brcmf_usbdev_info *devinfo, | |
c6ab4294 | 381 | struct list_head *q, int *counter) |
71bb244b AS |
382 | { |
383 | unsigned long flags; | |
384 | struct brcmf_usbreq *req; | |
385 | spin_lock_irqsave(&devinfo->qlock, flags); | |
386 | if (list_empty(q)) { | |
387 | spin_unlock_irqrestore(&devinfo->qlock, flags); | |
388 | return NULL; | |
389 | } | |
390 | req = list_entry(q->next, struct brcmf_usbreq, list); | |
391 | list_del_init(q->next); | |
c6ab4294 HM |
392 | if (counter) |
393 | (*counter)--; | |
71bb244b AS |
394 | spin_unlock_irqrestore(&devinfo->qlock, flags); |
395 | return req; | |
396 | ||
397 | } | |
398 | ||
399 | static void brcmf_usb_enq(struct brcmf_usbdev_info *devinfo, | |
c6ab4294 HM |
400 | struct list_head *q, struct brcmf_usbreq *req, |
401 | int *counter) | |
71bb244b AS |
402 | { |
403 | unsigned long flags; | |
404 | spin_lock_irqsave(&devinfo->qlock, flags); | |
405 | list_add_tail(&req->list, q); | |
c6ab4294 HM |
406 | if (counter) |
407 | (*counter)++; | |
71bb244b AS |
408 | spin_unlock_irqrestore(&devinfo->qlock, flags); |
409 | } | |
410 | ||
411 | static struct brcmf_usbreq * | |
412 | brcmf_usbdev_qinit(struct list_head *q, int qsize) | |
413 | { | |
414 | int i; | |
415 | struct brcmf_usbreq *req, *reqs; | |
416 | ||
14f8dc49 JP |
417 | reqs = kcalloc(qsize, sizeof(struct brcmf_usbreq), GFP_ATOMIC); |
418 | if (reqs == NULL) | |
71bb244b | 419 | return NULL; |
14f8dc49 | 420 | |
71bb244b AS |
421 | req = reqs; |
422 | ||
423 | for (i = 0; i < qsize; i++) { | |
424 | req->urb = usb_alloc_urb(0, GFP_ATOMIC); | |
425 | if (!req->urb) | |
426 | goto fail; | |
427 | ||
428 | INIT_LIST_HEAD(&req->list); | |
429 | list_add_tail(&req->list, q); | |
430 | req++; | |
431 | } | |
432 | return reqs; | |
433 | fail: | |
5e8149f5 | 434 | brcmf_err("fail!\n"); |
71bb244b AS |
435 | while (!list_empty(q)) { |
436 | req = list_entry(q->next, struct brcmf_usbreq, list); | |
297540f6 | 437 | if (req) |
71bb244b AS |
438 | usb_free_urb(req->urb); |
439 | list_del(q->next); | |
440 | } | |
441 | return NULL; | |
442 | ||
443 | } | |
444 | ||
445 | static void brcmf_usb_free_q(struct list_head *q, bool pending) | |
446 | { | |
447 | struct brcmf_usbreq *req, *next; | |
448 | int i = 0; | |
449 | list_for_each_entry_safe(req, next, q, list) { | |
d4ca0099 | 450 | if (!req->urb) { |
5e8149f5 | 451 | brcmf_err("bad req\n"); |
71bb244b AS |
452 | break; |
453 | } | |
454 | i++; | |
455 | if (pending) { | |
456 | usb_kill_urb(req->urb); | |
457 | } else { | |
458 | usb_free_urb(req->urb); | |
459 | list_del_init(&req->list); | |
460 | } | |
461 | } | |
462 | } | |
463 | ||
464 | static void brcmf_usb_del_fromq(struct brcmf_usbdev_info *devinfo, | |
465 | struct brcmf_usbreq *req) | |
466 | { | |
467 | unsigned long flags; | |
468 | ||
469 | spin_lock_irqsave(&devinfo->qlock, flags); | |
470 | list_del_init(&req->list); | |
471 | spin_unlock_irqrestore(&devinfo->qlock, flags); | |
472 | } | |
473 | ||
474 | ||
475 | static void brcmf_usb_tx_complete(struct urb *urb) | |
476 | { | |
477 | struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; | |
478 | struct brcmf_usbdev_info *devinfo = req->devinfo; | |
df50f756 | 479 | unsigned long flags; |
71bb244b | 480 | |
cb8b73da HM |
481 | brcmf_dbg(USB, "Enter, urb->status=%d, skb=%p\n", urb->status, |
482 | req->skb); | |
71bb244b | 483 | brcmf_usb_del_fromq(devinfo, req); |
71bb244b | 484 | |
1e2d958b | 485 | brcmf_txcomplete(devinfo->dev, req->skb, urb->status == 0); |
71bb244b | 486 | req->skb = NULL; |
c6ab4294 | 487 | brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, &devinfo->tx_freecount); |
df50f756 | 488 | spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags); |
c6ab4294 HM |
489 | if (devinfo->tx_freecount > devinfo->tx_high_watermark && |
490 | devinfo->tx_flowblock) { | |
491 | brcmf_txflowblock(devinfo->dev, false); | |
492 | devinfo->tx_flowblock = false; | |
493 | } | |
df50f756 | 494 | spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags); |
71bb244b AS |
495 | } |
496 | ||
497 | static void brcmf_usb_rx_complete(struct urb *urb) | |
498 | { | |
499 | struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; | |
500 | struct brcmf_usbdev_info *devinfo = req->devinfo; | |
501 | struct sk_buff *skb; | |
71bb244b | 502 | |
cb8b73da | 503 | brcmf_dbg(USB, "Enter, urb->status=%d\n", urb->status); |
71bb244b AS |
504 | brcmf_usb_del_fromq(devinfo, req); |
505 | skb = req->skb; | |
506 | req->skb = NULL; | |
507 | ||
a43af515 | 508 | /* zero lenght packets indicate usb "failure". Do not refill */ |
b1a2a411 | 509 | if (urb->status != 0 || !urb->actual_length) { |
01e3331b | 510 | brcmu_pkt_buf_free_skb(skb); |
c6ab4294 | 511 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
512 | return; |
513 | } | |
514 | ||
7c38e698 | 515 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) { |
71bb244b | 516 | skb_put(skb, urb->actual_length); |
c56caa9d | 517 | brcmf_rx_frame(devinfo->dev, skb, true); |
a43af515 | 518 | brcmf_usb_rx_refill(devinfo, req); |
71bb244b | 519 | } else { |
01e3331b | 520 | brcmu_pkt_buf_free_skb(skb); |
c6ab4294 | 521 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
522 | } |
523 | return; | |
524 | ||
525 | } | |
526 | ||
527 | static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, | |
528 | struct brcmf_usbreq *req) | |
529 | { | |
530 | struct sk_buff *skb; | |
531 | int ret; | |
532 | ||
533 | if (!req || !devinfo) | |
534 | return; | |
535 | ||
536 | skb = dev_alloc_skb(devinfo->bus_pub.bus_mtu); | |
537 | if (!skb) { | |
c6ab4294 | 538 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
539 | return; |
540 | } | |
541 | req->skb = skb; | |
542 | ||
543 | usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->rx_pipe, | |
544 | skb->data, skb_tailroom(skb), brcmf_usb_rx_complete, | |
545 | req); | |
71bb244b | 546 | req->devinfo = devinfo; |
c6ab4294 | 547 | brcmf_usb_enq(devinfo, &devinfo->rx_postq, req, NULL); |
71bb244b AS |
548 | |
549 | ret = usb_submit_urb(req->urb, GFP_ATOMIC); | |
2e875acd HM |
550 | if (ret) { |
551 | brcmf_usb_del_fromq(devinfo, req); | |
01e3331b | 552 | brcmu_pkt_buf_free_skb(req->skb); |
71bb244b | 553 | req->skb = NULL; |
c6ab4294 | 554 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
555 | } |
556 | return; | |
557 | } | |
558 | ||
559 | static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info *devinfo) | |
560 | { | |
561 | struct brcmf_usbreq *req; | |
562 | ||
7c38e698 | 563 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { |
5e8149f5 | 564 | brcmf_err("bus is not up=%d\n", devinfo->bus_pub.state); |
71bb244b AS |
565 | return; |
566 | } | |
c6ab4294 | 567 | while ((req = brcmf_usb_deq(devinfo, &devinfo->rx_freeq, NULL)) != NULL) |
71bb244b AS |
568 | brcmf_usb_rx_refill(devinfo, req); |
569 | } | |
570 | ||
571 | static void | |
572 | brcmf_usb_state_change(struct brcmf_usbdev_info *devinfo, int state) | |
573 | { | |
574 | struct brcmf_bus *bcmf_bus = devinfo->bus_pub.bus; | |
575 | int old_state; | |
576 | ||
cb8b73da HM |
577 | brcmf_dbg(USB, "Enter, current state=%d, new state=%d\n", |
578 | devinfo->bus_pub.state, state); | |
71bb244b AS |
579 | |
580 | if (devinfo->bus_pub.state == state) | |
581 | return; | |
582 | ||
583 | old_state = devinfo->bus_pub.state; | |
7c38e698 | 584 | devinfo->bus_pub.state = state; |
71bb244b AS |
585 | |
586 | /* update state of upper layer */ | |
7c38e698 | 587 | if (state == BRCMFMAC_USB_STATE_DOWN) { |
cb8b73da | 588 | brcmf_dbg(USB, "DBUS is down\n"); |
bb350711 | 589 | brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_DOWN); |
7c38e698 HM |
590 | } else if (state == BRCMFMAC_USB_STATE_UP) { |
591 | brcmf_dbg(USB, "DBUS is up\n"); | |
a1cee865 | 592 | brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_UP); |
71bb244b | 593 | } else { |
cb8b73da | 594 | brcmf_dbg(USB, "DBUS current state=%d\n", state); |
71bb244b AS |
595 | } |
596 | } | |
597 | ||
71bb244b AS |
598 | static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb) |
599 | { | |
600 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
601 | struct brcmf_usbreq *req; | |
602 | int ret; | |
df50f756 | 603 | unsigned long flags; |
71bb244b | 604 | |
cb8b73da | 605 | brcmf_dbg(USB, "Enter, skb=%p\n", skb); |
6fc9ca13 AS |
606 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { |
607 | ret = -EIO; | |
608 | goto fail; | |
609 | } | |
71bb244b | 610 | |
c6ab4294 HM |
611 | req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq, |
612 | &devinfo->tx_freecount); | |
71bb244b | 613 | if (!req) { |
5e8149f5 | 614 | brcmf_err("no req to send\n"); |
6fc9ca13 AS |
615 | ret = -ENOMEM; |
616 | goto fail; | |
71bb244b | 617 | } |
71bb244b AS |
618 | |
619 | req->skb = skb; | |
620 | req->devinfo = devinfo; | |
621 | usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->tx_pipe, | |
622 | skb->data, skb->len, brcmf_usb_tx_complete, req); | |
623 | req->urb->transfer_flags |= URB_ZERO_PACKET; | |
c6ab4294 | 624 | brcmf_usb_enq(devinfo, &devinfo->tx_postq, req, NULL); |
71bb244b | 625 | ret = usb_submit_urb(req->urb, GFP_ATOMIC); |
2e875acd | 626 | if (ret) { |
5e8149f5 | 627 | brcmf_err("brcmf_usb_tx usb_submit_urb FAILED\n"); |
2e875acd | 628 | brcmf_usb_del_fromq(devinfo, req); |
71bb244b | 629 | req->skb = NULL; |
c6ab4294 | 630 | brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, |
6fc9ca13 AS |
631 | &devinfo->tx_freecount); |
632 | goto fail; | |
71bb244b AS |
633 | } |
634 | ||
df50f756 | 635 | spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags); |
6fc9ca13 AS |
636 | if (devinfo->tx_freecount < devinfo->tx_low_watermark && |
637 | !devinfo->tx_flowblock) { | |
638 | brcmf_txflowblock(dev, true); | |
639 | devinfo->tx_flowblock = true; | |
640 | } | |
df50f756 | 641 | spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags); |
6fc9ca13 AS |
642 | return 0; |
643 | ||
644 | fail: | |
71bb244b AS |
645 | return ret; |
646 | } | |
647 | ||
648 | ||
649 | static int brcmf_usb_up(struct device *dev) | |
650 | { | |
651 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
71bb244b | 652 | |
cb8b73da | 653 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 | 654 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) |
d4ca0099 DC |
655 | return 0; |
656 | ||
71bb244b | 657 | /* Success, indicate devinfo is fully up */ |
7c38e698 | 658 | brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_UP); |
71bb244b | 659 | |
71bb244b AS |
660 | if (devinfo->ctl_urb) { |
661 | devinfo->ctl_in_pipe = usb_rcvctrlpipe(devinfo->usbdev, 0); | |
662 | devinfo->ctl_out_pipe = usb_sndctrlpipe(devinfo->usbdev, 0); | |
663 | ||
71bb244b AS |
664 | /* CTL Write */ |
665 | devinfo->ctl_write.bRequestType = | |
666 | USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
667 | devinfo->ctl_write.bRequest = 0; | |
668 | devinfo->ctl_write.wValue = cpu_to_le16(0); | |
51c7f5ed | 669 | devinfo->ctl_write.wIndex = cpu_to_le16(devinfo->ifnum); |
71bb244b AS |
670 | |
671 | /* CTL Read */ | |
672 | devinfo->ctl_read.bRequestType = | |
673 | USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
674 | devinfo->ctl_read.bRequest = 1; | |
675 | devinfo->ctl_read.wValue = cpu_to_le16(0); | |
51c7f5ed | 676 | devinfo->ctl_read.wIndex = cpu_to_le16(devinfo->ifnum); |
71bb244b AS |
677 | } |
678 | brcmf_usb_rx_fill_all(devinfo); | |
679 | return 0; | |
680 | } | |
681 | ||
244b124c HM |
682 | static void brcmf_cancel_all_urbs(struct brcmf_usbdev_info *devinfo) |
683 | { | |
684 | if (devinfo->ctl_urb) | |
685 | usb_kill_urb(devinfo->ctl_urb); | |
686 | if (devinfo->bulk_urb) | |
687 | usb_kill_urb(devinfo->bulk_urb); | |
688 | brcmf_usb_free_q(&devinfo->tx_postq, true); | |
689 | brcmf_usb_free_q(&devinfo->rx_postq, true); | |
690 | } | |
691 | ||
71bb244b AS |
692 | static void brcmf_usb_down(struct device *dev) |
693 | { | |
694 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
695 | ||
cb8b73da | 696 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
697 | if (devinfo == NULL) |
698 | return; | |
699 | ||
7c38e698 | 700 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_DOWN) |
71bb244b AS |
701 | return; |
702 | ||
7c38e698 | 703 | brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_DOWN); |
71bb244b | 704 | |
244b124c | 705 | brcmf_cancel_all_urbs(devinfo); |
71bb244b AS |
706 | } |
707 | ||
71bb244b AS |
708 | static void |
709 | brcmf_usb_sync_complete(struct urb *urb) | |
710 | { | |
711 | struct brcmf_usbdev_info *devinfo = | |
712 | (struct brcmf_usbdev_info *)urb->context; | |
713 | ||
1e271c95 HM |
714 | devinfo->ctl_completed = true; |
715 | brcmf_usb_ioctl_resp_wake(devinfo); | |
71bb244b AS |
716 | } |
717 | ||
51c7f5ed HM |
718 | static int brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd, |
719 | void *buffer, int buflen) | |
71bb244b | 720 | { |
51c7f5ed | 721 | int ret; |
71bb244b AS |
722 | char *tmpbuf; |
723 | u16 size; | |
724 | ||
725 | if ((!devinfo) || (devinfo->ctl_urb == NULL)) | |
51c7f5ed | 726 | return -EINVAL; |
71bb244b AS |
727 | |
728 | tmpbuf = kmalloc(buflen, GFP_ATOMIC); | |
729 | if (!tmpbuf) | |
51c7f5ed | 730 | return -ENOMEM; |
71bb244b AS |
731 | |
732 | size = buflen; | |
733 | devinfo->ctl_urb->transfer_buffer_length = size; | |
734 | ||
735 | devinfo->ctl_read.wLength = cpu_to_le16p(&size); | |
736 | devinfo->ctl_read.bRequestType = USB_DIR_IN | USB_TYPE_VENDOR | | |
737 | USB_RECIP_INTERFACE; | |
738 | devinfo->ctl_read.bRequest = cmd; | |
739 | ||
740 | usb_fill_control_urb(devinfo->ctl_urb, | |
741 | devinfo->usbdev, | |
742 | usb_rcvctrlpipe(devinfo->usbdev, 0), | |
743 | (unsigned char *) &devinfo->ctl_read, | |
744 | (void *) tmpbuf, size, | |
745 | (usb_complete_t)brcmf_usb_sync_complete, devinfo); | |
746 | ||
1e271c95 | 747 | devinfo->ctl_completed = false; |
71bb244b AS |
748 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); |
749 | if (ret < 0) { | |
5e8149f5 | 750 | brcmf_err("usb_submit_urb failed %d\n", ret); |
51c7f5ed | 751 | goto finalize; |
71bb244b AS |
752 | } |
753 | ||
8180bd47 MV |
754 | if (!brcmf_usb_ioctl_resp_wait(devinfo)) { |
755 | usb_kill_urb(devinfo->ctl_urb); | |
51c7f5ed | 756 | ret = -ETIMEDOUT; |
8180bd47 | 757 | } else { |
51c7f5ed | 758 | memcpy(buffer, tmpbuf, buflen); |
8180bd47 | 759 | } |
71bb244b | 760 | |
51c7f5ed HM |
761 | finalize: |
762 | kfree(tmpbuf); | |
1e271c95 | 763 | return ret; |
71bb244b AS |
764 | } |
765 | ||
766 | static bool | |
767 | brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo) | |
768 | { | |
769 | struct bootrom_id_le id; | |
770 | u32 chipid, chiprev; | |
771 | ||
cb8b73da | 772 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
773 | |
774 | if (devinfo == NULL) | |
775 | return false; | |
776 | ||
777 | /* Check if firmware downloaded already by querying runtime ID */ | |
778 | id.chip = cpu_to_le32(0xDEAD); | |
83bc9c31 | 779 | brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); |
71bb244b AS |
780 | |
781 | chipid = le32_to_cpu(id.chip); | |
782 | chiprev = le32_to_cpu(id.chiprev); | |
783 | ||
784 | if ((chipid & 0x4300) == 0x4300) | |
cb8b73da | 785 | brcmf_dbg(USB, "chip %x rev 0x%x\n", chipid, chiprev); |
71bb244b | 786 | else |
cb8b73da | 787 | brcmf_dbg(USB, "chip %d rev 0x%x\n", chipid, chiprev); |
71bb244b | 788 | if (chipid == BRCMF_POSTBOOT_ID) { |
cb8b73da | 789 | brcmf_dbg(USB, "firmware already downloaded\n"); |
83bc9c31 | 790 | brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); |
71bb244b AS |
791 | return false; |
792 | } else { | |
ac94f196 AS |
793 | devinfo->bus_pub.devid = chipid; |
794 | devinfo->bus_pub.chiprev = chiprev; | |
71bb244b AS |
795 | } |
796 | return true; | |
797 | } | |
798 | ||
799 | static int | |
800 | brcmf_usb_resetcfg(struct brcmf_usbdev_info *devinfo) | |
801 | { | |
802 | struct bootrom_id_le id; | |
83bc9c31 | 803 | u32 loop_cnt; |
51c7f5ed | 804 | int err; |
71bb244b | 805 | |
cb8b73da | 806 | brcmf_dbg(USB, "Enter\n"); |
71bb244b | 807 | |
83bc9c31 HM |
808 | loop_cnt = 0; |
809 | do { | |
810 | mdelay(BRCMF_USB_RESET_GETVER_SPINWAIT); | |
811 | loop_cnt++; | |
71bb244b | 812 | id.chip = cpu_to_le32(0xDEAD); /* Get the ID */ |
51c7f5ed HM |
813 | err = brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); |
814 | if ((err) && (err != -ETIMEDOUT)) | |
815 | return err; | |
71bb244b AS |
816 | if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) |
817 | break; | |
83bc9c31 | 818 | } while (loop_cnt < BRCMF_USB_RESET_GETVER_LOOP_CNT); |
71bb244b AS |
819 | |
820 | if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) { | |
83bc9c31 HM |
821 | brcmf_dbg(USB, "postboot chip 0x%x/rev 0x%x\n", |
822 | le32_to_cpu(id.chip), le32_to_cpu(id.chiprev)); | |
71bb244b | 823 | |
83bc9c31 | 824 | brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); |
71bb244b AS |
825 | return 0; |
826 | } else { | |
5e8149f5 | 827 | brcmf_err("Cannot talk to Dongle. Firmware is not UP, %d ms\n", |
83bc9c31 | 828 | BRCMF_USB_RESET_GETVER_SPINWAIT * loop_cnt); |
71bb244b AS |
829 | return -EINVAL; |
830 | } | |
831 | } | |
832 | ||
833 | ||
834 | static int | |
835 | brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info *devinfo, void *buffer, int len) | |
836 | { | |
837 | int ret; | |
838 | ||
839 | if ((devinfo == NULL) || (devinfo->bulk_urb == NULL)) | |
840 | return -EINVAL; | |
841 | ||
842 | /* Prepare the URB */ | |
843 | usb_fill_bulk_urb(devinfo->bulk_urb, devinfo->usbdev, | |
844 | devinfo->tx_pipe, buffer, len, | |
845 | (usb_complete_t)brcmf_usb_sync_complete, devinfo); | |
846 | ||
847 | devinfo->bulk_urb->transfer_flags |= URB_ZERO_PACKET; | |
848 | ||
1e271c95 | 849 | devinfo->ctl_completed = false; |
71bb244b AS |
850 | ret = usb_submit_urb(devinfo->bulk_urb, GFP_ATOMIC); |
851 | if (ret) { | |
5e8149f5 | 852 | brcmf_err("usb_submit_urb failed %d\n", ret); |
71bb244b AS |
853 | return ret; |
854 | } | |
1e271c95 HM |
855 | ret = brcmf_usb_ioctl_resp_wait(devinfo); |
856 | return (ret == 0); | |
71bb244b AS |
857 | } |
858 | ||
859 | static int | |
860 | brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen) | |
861 | { | |
862 | unsigned int sendlen, sent, dllen; | |
863 | char *bulkchunk = NULL, *dlpos; | |
864 | struct rdl_state_le state; | |
865 | u32 rdlstate, rdlbytes; | |
866 | int err = 0; | |
cb8b73da HM |
867 | |
868 | brcmf_dbg(USB, "Enter, fw %p, len %d\n", fw, fwlen); | |
71bb244b | 869 | |
ac83d0b0 | 870 | bulkchunk = kmalloc(TRX_RDL_CHUNK, GFP_ATOMIC); |
71bb244b AS |
871 | if (bulkchunk == NULL) { |
872 | err = -ENOMEM; | |
873 | goto fail; | |
874 | } | |
875 | ||
876 | /* 1) Prepare USB boot loader for runtime image */ | |
51c7f5ed | 877 | brcmf_usb_dl_cmd(devinfo, DL_START, &state, sizeof(state)); |
71bb244b AS |
878 | |
879 | rdlstate = le32_to_cpu(state.state); | |
880 | rdlbytes = le32_to_cpu(state.bytes); | |
881 | ||
882 | /* 2) Check we are in the Waiting state */ | |
883 | if (rdlstate != DL_WAITING) { | |
5e8149f5 | 884 | brcmf_err("Failed to DL_START\n"); |
71bb244b AS |
885 | err = -EINVAL; |
886 | goto fail; | |
887 | } | |
888 | sent = 0; | |
889 | dlpos = fw; | |
890 | dllen = fwlen; | |
891 | ||
892 | /* Get chip id and rev */ | |
893 | while (rdlbytes != dllen) { | |
894 | /* Wait until the usb device reports it received all | |
895 | * the bytes we sent */ | |
896 | if ((rdlbytes == sent) && (rdlbytes != dllen)) { | |
ac83d0b0 | 897 | if ((dllen-sent) < TRX_RDL_CHUNK) |
71bb244b AS |
898 | sendlen = dllen-sent; |
899 | else | |
ac83d0b0 | 900 | sendlen = TRX_RDL_CHUNK; |
71bb244b AS |
901 | |
902 | /* simply avoid having to send a ZLP by ensuring we | |
903 | * never have an even | |
904 | * multiple of 64 | |
905 | */ | |
906 | if (!(sendlen % 64)) | |
907 | sendlen -= 4; | |
908 | ||
909 | /* send data */ | |
910 | memcpy(bulkchunk, dlpos, sendlen); | |
911 | if (brcmf_usb_dl_send_bulk(devinfo, bulkchunk, | |
912 | sendlen)) { | |
5e8149f5 | 913 | brcmf_err("send_bulk failed\n"); |
71bb244b AS |
914 | err = -EINVAL; |
915 | goto fail; | |
916 | } | |
917 | ||
918 | dlpos += sendlen; | |
919 | sent += sendlen; | |
920 | } | |
51c7f5ed HM |
921 | err = brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, |
922 | sizeof(state)); | |
923 | if (err) { | |
924 | brcmf_err("DL_GETSTATE Failed\n"); | |
71bb244b AS |
925 | goto fail; |
926 | } | |
927 | ||
928 | rdlstate = le32_to_cpu(state.state); | |
929 | rdlbytes = le32_to_cpu(state.bytes); | |
930 | ||
931 | /* restart if an error is reported */ | |
932 | if (rdlstate == DL_BAD_HDR || rdlstate == DL_BAD_CRC) { | |
5e8149f5 | 933 | brcmf_err("Bad Hdr or Bad CRC state %d\n", |
71bb244b AS |
934 | rdlstate); |
935 | err = -EINVAL; | |
936 | goto fail; | |
937 | } | |
938 | } | |
939 | ||
940 | fail: | |
941 | kfree(bulkchunk); | |
cb8b73da | 942 | brcmf_dbg(USB, "Exit, err=%d\n", err); |
71bb244b AS |
943 | return err; |
944 | } | |
945 | ||
946 | static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len) | |
947 | { | |
948 | int err; | |
949 | ||
cb8b73da | 950 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
951 | |
952 | if (devinfo == NULL) | |
953 | return -EINVAL; | |
954 | ||
ac94f196 | 955 | if (devinfo->bus_pub.devid == 0xDEAD) |
71bb244b AS |
956 | return -EINVAL; |
957 | ||
958 | err = brcmf_usb_dl_writeimage(devinfo, fw, len); | |
959 | if (err == 0) | |
7c38e698 | 960 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_DONE; |
71bb244b | 961 | else |
7c38e698 | 962 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_FAIL; |
cb8b73da | 963 | brcmf_dbg(USB, "Exit, err=%d\n", err); |
71bb244b AS |
964 | |
965 | return err; | |
966 | } | |
967 | ||
968 | static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo) | |
969 | { | |
970 | struct rdl_state_le state; | |
971 | ||
cb8b73da | 972 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
973 | if (!devinfo) |
974 | return -EINVAL; | |
975 | ||
ac94f196 | 976 | if (devinfo->bus_pub.devid == 0xDEAD) |
71bb244b AS |
977 | return -EINVAL; |
978 | ||
979 | /* Check we are runnable */ | |
51c7f5ed HM |
980 | state.state = 0; |
981 | brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, sizeof(state)); | |
71bb244b AS |
982 | |
983 | /* Start the image */ | |
984 | if (state.state == cpu_to_le32(DL_RUNNABLE)) { | |
51c7f5ed | 985 | if (brcmf_usb_dl_cmd(devinfo, DL_GO, &state, sizeof(state))) |
71bb244b AS |
986 | return -ENODEV; |
987 | if (brcmf_usb_resetcfg(devinfo)) | |
988 | return -ENODEV; | |
989 | /* The Dongle may go for re-enumeration. */ | |
990 | } else { | |
5e8149f5 | 991 | brcmf_err("Dongle not runnable\n"); |
71bb244b AS |
992 | return -EINVAL; |
993 | } | |
cb8b73da | 994 | brcmf_dbg(USB, "Exit\n"); |
71bb244b AS |
995 | return 0; |
996 | } | |
997 | ||
71bb244b AS |
998 | static int |
999 | brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo) | |
1000 | { | |
71bb244b AS |
1001 | int err; |
1002 | ||
cb8b73da | 1003 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
1004 | if (devinfo == NULL) |
1005 | return -ENODEV; | |
1006 | ||
71bb244b | 1007 | if (!devinfo->image) { |
5e8149f5 | 1008 | brcmf_err("No firmware!\n"); |
71bb244b AS |
1009 | return -ENOENT; |
1010 | } | |
1011 | ||
1012 | err = brcmf_usb_dlstart(devinfo, | |
5b8045d4 | 1013 | (u8 *)devinfo->image, devinfo->image_len); |
71bb244b AS |
1014 | if (err == 0) |
1015 | err = brcmf_usb_dlrun(devinfo); | |
1016 | return err; | |
1017 | } | |
1018 | ||
1019 | ||
d74a0b51 | 1020 | static void brcmf_usb_detach(struct brcmf_usbdev_info *devinfo) |
71bb244b | 1021 | { |
cb8b73da | 1022 | brcmf_dbg(USB, "Enter, devinfo %p\n", devinfo); |
71bb244b | 1023 | |
71bb244b AS |
1024 | /* free the URBS */ |
1025 | brcmf_usb_free_q(&devinfo->rx_freeq, false); | |
1026 | brcmf_usb_free_q(&devinfo->tx_freeq, false); | |
1027 | ||
71bb244b AS |
1028 | usb_free_urb(devinfo->ctl_urb); |
1029 | usb_free_urb(devinfo->bulk_urb); | |
1030 | ||
1031 | kfree(devinfo->tx_reqs); | |
1032 | kfree(devinfo->rx_reqs); | |
af5b5e62 HM |
1033 | |
1034 | if (devinfo->settings) | |
1035 | brcmf_release_module_param(devinfo->settings); | |
71bb244b AS |
1036 | } |
1037 | ||
71bb244b AS |
1038 | |
1039 | static int check_file(const u8 *headers) | |
1040 | { | |
1041 | struct trx_header_le *trx; | |
1042 | int actual_len = -1; | |
1043 | ||
cb8b73da | 1044 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
1045 | /* Extract trx header */ |
1046 | trx = (struct trx_header_le *) headers; | |
1047 | if (trx->magic != cpu_to_le32(TRX_MAGIC)) | |
1048 | return -1; | |
1049 | ||
1050 | headers += sizeof(struct trx_header_le); | |
1051 | ||
1052 | if (le32_to_cpu(trx->flag_version) & TRX_UNCOMP_IMAGE) { | |
1053 | actual_len = le32_to_cpu(trx->offsets[TRX_OFFSETS_DLFWLEN_IDX]); | |
1054 | return actual_len + sizeof(struct trx_header_le); | |
1055 | } | |
1056 | return -1; | |
1057 | } | |
1058 | ||
71bb244b AS |
1059 | |
1060 | static | |
d74a0b51 HM |
1061 | struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo, |
1062 | int nrxq, int ntxq) | |
71bb244b | 1063 | { |
cb8b73da HM |
1064 | brcmf_dbg(USB, "Enter\n"); |
1065 | ||
71bb244b AS |
1066 | devinfo->bus_pub.nrxq = nrxq; |
1067 | devinfo->rx_low_watermark = nrxq / 2; | |
1068 | devinfo->bus_pub.devinfo = devinfo; | |
1069 | devinfo->bus_pub.ntxq = ntxq; | |
7c38e698 | 1070 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DOWN; |
71bb244b AS |
1071 | |
1072 | /* flow control when too many tx urbs posted */ | |
1073 | devinfo->tx_low_watermark = ntxq / 4; | |
1074 | devinfo->tx_high_watermark = devinfo->tx_low_watermark * 3; | |
71bb244b AS |
1075 | devinfo->bus_pub.bus_mtu = BRCMF_USB_MAX_PKT_SIZE; |
1076 | ||
1077 | /* Initialize other structure content */ | |
1078 | init_waitqueue_head(&devinfo->ioctl_resp_wait); | |
1079 | ||
1080 | /* Initialize the spinlocks */ | |
1081 | spin_lock_init(&devinfo->qlock); | |
df50f756 | 1082 | spin_lock_init(&devinfo->tx_flowblock_lock); |
71bb244b AS |
1083 | |
1084 | INIT_LIST_HEAD(&devinfo->rx_freeq); | |
1085 | INIT_LIST_HEAD(&devinfo->rx_postq); | |
1086 | ||
1087 | INIT_LIST_HEAD(&devinfo->tx_freeq); | |
1088 | INIT_LIST_HEAD(&devinfo->tx_postq); | |
1089 | ||
c6ab4294 HM |
1090 | devinfo->tx_flowblock = false; |
1091 | ||
71bb244b AS |
1092 | devinfo->rx_reqs = brcmf_usbdev_qinit(&devinfo->rx_freeq, nrxq); |
1093 | if (!devinfo->rx_reqs) | |
1094 | goto error; | |
1095 | ||
1096 | devinfo->tx_reqs = brcmf_usbdev_qinit(&devinfo->tx_freeq, ntxq); | |
1097 | if (!devinfo->tx_reqs) | |
1098 | goto error; | |
c6ab4294 | 1099 | devinfo->tx_freecount = ntxq; |
71bb244b | 1100 | |
71bb244b | 1101 | devinfo->ctl_urb = usb_alloc_urb(0, GFP_ATOMIC); |
938f89e5 | 1102 | if (!devinfo->ctl_urb) |
71bb244b | 1103 | goto error; |
71bb244b | 1104 | devinfo->bulk_urb = usb_alloc_urb(0, GFP_ATOMIC); |
938f89e5 | 1105 | if (!devinfo->bulk_urb) |
71bb244b | 1106 | goto error; |
71bb244b | 1107 | |
71bb244b AS |
1108 | return &devinfo->bus_pub; |
1109 | ||
1110 | error: | |
5e8149f5 | 1111 | brcmf_err("failed!\n"); |
d74a0b51 | 1112 | brcmf_usb_detach(devinfo); |
71bb244b AS |
1113 | return NULL; |
1114 | } | |
1115 | ||
244b124c HM |
1116 | static void brcmf_usb_wowl_config(struct device *dev, bool enabled) |
1117 | { | |
1118 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
1119 | ||
1120 | brcmf_dbg(USB, "Configuring WOWL, enabled=%d\n", enabled); | |
1121 | devinfo->wowl_enabled = enabled; | |
1122 | if (enabled) | |
1123 | device_set_wakeup_enable(devinfo->dev, true); | |
1124 | else | |
1125 | device_set_wakeup_enable(devinfo->dev, false); | |
1126 | } | |
1127 | ||
6866a64a | 1128 | static const struct brcmf_bus_ops brcmf_usb_bus_ops = { |
d9cb2596 | 1129 | .txdata = brcmf_usb_tx, |
d9cb2596 AS |
1130 | .stop = brcmf_usb_down, |
1131 | .txctl = brcmf_usb_tx_ctlpkt, | |
1132 | .rxctl = brcmf_usb_rx_ctlpkt, | |
244b124c | 1133 | .wowl_config = brcmf_usb_wowl_config, |
d9cb2596 AS |
1134 | }; |
1135 | ||
4dd7de1f AS |
1136 | static int brcmf_usb_bus_setup(struct brcmf_usbdev_info *devinfo) |
1137 | { | |
1138 | int ret; | |
1139 | ||
1140 | /* Attach to the common driver interface */ | |
af5b5e62 | 1141 | ret = brcmf_attach(devinfo->dev, devinfo->settings); |
4dd7de1f AS |
1142 | if (ret) { |
1143 | brcmf_err("brcmf_attach failed\n"); | |
1144 | return ret; | |
1145 | } | |
1146 | ||
1147 | ret = brcmf_usb_up(devinfo->dev); | |
1148 | if (ret) | |
1149 | goto fail; | |
1150 | ||
1151 | ret = brcmf_bus_start(devinfo->dev); | |
1152 | if (ret) | |
1153 | goto fail; | |
1154 | ||
1155 | return 0; | |
1156 | fail: | |
1157 | brcmf_detach(devinfo->dev); | |
1158 | return ret; | |
1159 | } | |
1160 | ||
5b8045d4 AS |
1161 | static void brcmf_usb_probe_phase2(struct device *dev, |
1162 | const struct firmware *fw, | |
1163 | void *nvram, u32 nvlen) | |
1164 | { | |
1165 | struct brcmf_bus *bus = dev_get_drvdata(dev); | |
1166 | struct brcmf_usbdev_info *devinfo; | |
1167 | int ret; | |
1168 | ||
1169 | brcmf_dbg(USB, "Start fw downloading\n"); | |
185f0eb0 HM |
1170 | |
1171 | devinfo = bus->bus_priv.usb->devinfo; | |
5b8045d4 AS |
1172 | ret = check_file(fw->data); |
1173 | if (ret < 0) { | |
1174 | brcmf_err("invalid firmware\n"); | |
1175 | release_firmware(fw); | |
1176 | goto error; | |
1177 | } | |
1178 | ||
5b8045d4 AS |
1179 | devinfo->image = fw->data; |
1180 | devinfo->image_len = fw->size; | |
1181 | ||
1182 | ret = brcmf_usb_fw_download(devinfo); | |
1183 | release_firmware(fw); | |
1184 | if (ret) | |
1185 | goto error; | |
1186 | ||
1187 | ret = brcmf_usb_bus_setup(devinfo); | |
1188 | if (ret) | |
1189 | goto error; | |
1190 | ||
185f0eb0 | 1191 | mutex_unlock(&devinfo->dev_init_lock); |
5b8045d4 AS |
1192 | return; |
1193 | error: | |
1194 | brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), ret); | |
185f0eb0 | 1195 | mutex_unlock(&devinfo->dev_init_lock); |
5b8045d4 AS |
1196 | device_release_driver(dev); |
1197 | } | |
1198 | ||
b87e2c48 | 1199 | static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) |
71bb244b AS |
1200 | { |
1201 | struct brcmf_bus *bus = NULL; | |
1202 | struct brcmf_usbdev *bus_pub = NULL; | |
d74a0b51 | 1203 | struct device *dev = devinfo->dev; |
5b8045d4 | 1204 | int ret; |
71bb244b | 1205 | |
cb8b73da | 1206 | brcmf_dbg(USB, "Enter\n"); |
d74a0b51 | 1207 | bus_pub = brcmf_usb_attach(devinfo, BRCMF_USB_NRXQ, BRCMF_USB_NTXQ); |
9cd23a71 HM |
1208 | if (!bus_pub) |
1209 | return -ENODEV; | |
71bb244b AS |
1210 | |
1211 | bus = kzalloc(sizeof(struct brcmf_bus), GFP_ATOMIC); | |
1212 | if (!bus) { | |
1213 | ret = -ENOMEM; | |
1214 | goto fail; | |
1215 | } | |
1216 | ||
d9cb2596 | 1217 | bus->dev = dev; |
71bb244b | 1218 | bus_pub->bus = bus; |
71bb244b AS |
1219 | bus->bus_priv.usb = bus_pub; |
1220 | dev_set_drvdata(dev, bus); | |
d9cb2596 | 1221 | bus->ops = &brcmf_usb_bus_ops; |
943258b6 | 1222 | bus->proto_type = BRCMF_PROTO_BCDC; |
9cd18359 | 1223 | bus->always_use_fws_queue = true; |
244b124c HM |
1224 | #ifdef CONFIG_PM |
1225 | bus->wowl_supported = true; | |
1226 | #endif | |
71bb244b | 1227 | |
af5b5e62 HM |
1228 | devinfo->settings = brcmf_get_module_param(bus->dev, BRCMF_BUSTYPE_USB, |
1229 | bus_pub->devid, | |
1230 | bus_pub->chiprev); | |
1231 | if (!devinfo->settings) { | |
1232 | ret = -ENOMEM; | |
1233 | goto fail; | |
1234 | } | |
1235 | ||
5b8045d4 AS |
1236 | if (!brcmf_usb_dlneeded(devinfo)) { |
1237 | ret = brcmf_usb_bus_setup(devinfo); | |
1238 | if (ret) | |
1239 | goto fail; | |
86fec35e | 1240 | /* we are done */ |
185f0eb0 | 1241 | mutex_unlock(&devinfo->dev_init_lock); |
86fec35e | 1242 | return 0; |
71bb244b | 1243 | } |
c6bff544 AS |
1244 | bus->chip = bus_pub->devid; |
1245 | bus->chiprev = bus_pub->chiprev; | |
1246 | ||
46d703a7 HM |
1247 | ret = brcmf_fw_map_chip_to_name(bus_pub->devid, bus_pub->chiprev, |
1248 | brcmf_usb_fwnames, | |
1249 | ARRAY_SIZE(brcmf_usb_fwnames), | |
1250 | devinfo->fw_name, NULL); | |
1251 | if (ret) | |
1252 | goto fail; | |
1253 | ||
5b8045d4 | 1254 | /* request firmware here */ |
46d703a7 HM |
1255 | ret = brcmf_fw_get_firmwares(dev, 0, devinfo->fw_name, NULL, |
1256 | brcmf_usb_probe_phase2); | |
6e651045 RM |
1257 | if (ret) { |
1258 | brcmf_err("firmware request failed: %d\n", ret); | |
1259 | goto fail; | |
1260 | } | |
1261 | ||
71bb244b | 1262 | return 0; |
5b8045d4 | 1263 | |
71bb244b AS |
1264 | fail: |
1265 | /* Release resources in reverse order */ | |
71bb244b | 1266 | kfree(bus); |
d74a0b51 | 1267 | brcmf_usb_detach(devinfo); |
71bb244b AS |
1268 | return ret; |
1269 | } | |
1270 | ||
1271 | static void | |
d74a0b51 | 1272 | brcmf_usb_disconnect_cb(struct brcmf_usbdev_info *devinfo) |
71bb244b | 1273 | { |
d74a0b51 | 1274 | if (!devinfo) |
71bb244b | 1275 | return; |
cb8b73da | 1276 | brcmf_dbg(USB, "Enter, bus_pub %p\n", devinfo); |
71bb244b | 1277 | |
d74a0b51 HM |
1278 | brcmf_detach(devinfo->dev); |
1279 | kfree(devinfo->bus_pub.bus); | |
1280 | brcmf_usb_detach(devinfo); | |
71bb244b AS |
1281 | } |
1282 | ||
1283 | static int | |
1284 | brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
1285 | { | |
71bb244b | 1286 | struct usb_device *usb = interface_to_usbdev(intf); |
d74a0b51 | 1287 | struct brcmf_usbdev_info *devinfo; |
51c7f5ed HM |
1288 | struct usb_interface_descriptor *desc; |
1289 | struct usb_endpoint_descriptor *endpoint; | |
1290 | int ret = 0; | |
1291 | u32 num_of_eps; | |
1292 | u8 endpoint_num, ep; | |
71bb244b | 1293 | |
b6fd7fd2 | 1294 | brcmf_dbg(USB, "Enter 0x%04x:0x%04x\n", id->idVendor, id->idProduct); |
71bb244b | 1295 | |
d74a0b51 HM |
1296 | devinfo = kzalloc(sizeof(*devinfo), GFP_ATOMIC); |
1297 | if (devinfo == NULL) | |
1298 | return -ENOMEM; | |
71bb244b | 1299 | |
d74a0b51 HM |
1300 | devinfo->usbdev = usb; |
1301 | devinfo->dev = &usb->dev; | |
185f0eb0 HM |
1302 | /* Take an init lock, to protect for disconnect while still loading. |
1303 | * Necessary because of the asynchronous firmware load construction | |
1304 | */ | |
1305 | mutex_init(&devinfo->dev_init_lock); | |
1306 | mutex_lock(&devinfo->dev_init_lock); | |
1307 | ||
d74a0b51 | 1308 | usb_set_intfdata(intf, devinfo); |
71bb244b AS |
1309 | |
1310 | /* Check that the device supports only one configuration */ | |
1311 | if (usb->descriptor.bNumConfigurations != 1) { | |
51c7f5ed HM |
1312 | brcmf_err("Number of configurations: %d not supported\n", |
1313 | usb->descriptor.bNumConfigurations); | |
1314 | ret = -ENODEV; | |
71bb244b AS |
1315 | goto fail; |
1316 | } | |
1317 | ||
51c7f5ed HM |
1318 | if ((usb->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) && |
1319 | (usb->descriptor.bDeviceClass != USB_CLASS_MISC) && | |
1320 | (usb->descriptor.bDeviceClass != USB_CLASS_WIRELESS_CONTROLLER)) { | |
1321 | brcmf_err("Device class: 0x%x not supported\n", | |
1322 | usb->descriptor.bDeviceClass); | |
1323 | ret = -ENODEV; | |
71bb244b AS |
1324 | goto fail; |
1325 | } | |
1326 | ||
51c7f5ed HM |
1327 | desc = &intf->altsetting[0].desc; |
1328 | if ((desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) || | |
1329 | (desc->bInterfaceSubClass != 2) || | |
1330 | (desc->bInterfaceProtocol != 0xff)) { | |
1331 | brcmf_err("non WLAN interface %d: 0x%x:0x%x:0x%x\n", | |
1332 | desc->bInterfaceNumber, desc->bInterfaceClass, | |
1333 | desc->bInterfaceSubClass, desc->bInterfaceProtocol); | |
1334 | ret = -ENODEV; | |
71bb244b AS |
1335 | goto fail; |
1336 | } | |
1337 | ||
51c7f5ed HM |
1338 | num_of_eps = desc->bNumEndpoints; |
1339 | for (ep = 0; ep < num_of_eps; ep++) { | |
1340 | endpoint = &intf->altsetting[0].endpoint[ep].desc; | |
1341 | endpoint_num = usb_endpoint_num(endpoint); | |
1342 | if (!usb_endpoint_xfer_bulk(endpoint)) | |
1343 | continue; | |
1344 | if (usb_endpoint_dir_in(endpoint)) { | |
1345 | if (!devinfo->rx_pipe) | |
d74a0b51 | 1346 | devinfo->rx_pipe = |
71bb244b | 1347 | usb_rcvbulkpipe(usb, endpoint_num); |
71bb244b | 1348 | } else { |
51c7f5ed HM |
1349 | if (!devinfo->tx_pipe) |
1350 | devinfo->tx_pipe = | |
1351 | usb_sndbulkpipe(usb, endpoint_num); | |
71bb244b AS |
1352 | } |
1353 | } | |
51c7f5ed HM |
1354 | if (devinfo->rx_pipe == 0) { |
1355 | brcmf_err("No RX (in) Bulk EP found\n"); | |
1356 | ret = -ENODEV; | |
1357 | goto fail; | |
1358 | } | |
1359 | if (devinfo->tx_pipe == 0) { | |
1360 | brcmf_err("No TX (out) Bulk EP found\n"); | |
1361 | ret = -ENODEV; | |
1362 | goto fail; | |
1363 | } | |
1364 | ||
1365 | devinfo->ifnum = desc->bInterfaceNumber; | |
71bb244b | 1366 | |
8caf115c ON |
1367 | if (usb->speed == USB_SPEED_SUPER_PLUS) |
1368 | brcmf_dbg(USB, "Broadcom super speed plus USB WLAN interface detected\n"); | |
1369 | else if (usb->speed == USB_SPEED_SUPER) | |
51c7f5ed | 1370 | brcmf_dbg(USB, "Broadcom super speed USB WLAN interface detected\n"); |
de389a53 | 1371 | else if (usb->speed == USB_SPEED_HIGH) |
51c7f5ed | 1372 | brcmf_dbg(USB, "Broadcom high speed USB WLAN interface detected\n"); |
71bb244b | 1373 | else |
51c7f5ed | 1374 | brcmf_dbg(USB, "Broadcom full speed USB WLAN interface detected\n"); |
71bb244b | 1375 | |
b87e2c48 | 1376 | ret = brcmf_usb_probe_cb(devinfo); |
71bb244b AS |
1377 | if (ret) |
1378 | goto fail; | |
1379 | ||
1380 | /* Success */ | |
1381 | return 0; | |
1382 | ||
1383 | fail: | |
185f0eb0 | 1384 | mutex_unlock(&devinfo->dev_init_lock); |
d74a0b51 | 1385 | kfree(devinfo); |
71bb244b AS |
1386 | usb_set_intfdata(intf, NULL); |
1387 | return ret; | |
71bb244b AS |
1388 | } |
1389 | ||
1390 | static void | |
1391 | brcmf_usb_disconnect(struct usb_interface *intf) | |
1392 | { | |
d74a0b51 | 1393 | struct brcmf_usbdev_info *devinfo; |
71bb244b | 1394 | |
cb8b73da | 1395 | brcmf_dbg(USB, "Enter\n"); |
d74a0b51 | 1396 | devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf); |
185f0eb0 HM |
1397 | |
1398 | if (devinfo) { | |
1399 | mutex_lock(&devinfo->dev_init_lock); | |
1400 | /* Make sure that devinfo still exists. Firmware probe routines | |
1401 | * may have released the device and cleared the intfdata. | |
1402 | */ | |
1403 | if (!usb_get_intfdata(intf)) | |
1404 | goto done; | |
1405 | ||
1406 | brcmf_usb_disconnect_cb(devinfo); | |
1407 | kfree(devinfo); | |
1408 | } | |
1409 | done: | |
cb8b73da | 1410 | brcmf_dbg(USB, "Exit\n"); |
71bb244b AS |
1411 | } |
1412 | ||
1413 | /* | |
7c38e698 | 1414 | * only need to signal the bus being down and update the state. |
71bb244b AS |
1415 | */ |
1416 | static int brcmf_usb_suspend(struct usb_interface *intf, pm_message_t state) | |
1417 | { | |
1418 | struct usb_device *usb = interface_to_usbdev(intf); | |
1419 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); | |
1420 | ||
cb8b73da | 1421 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 | 1422 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_SLEEP; |
244b124c HM |
1423 | if (devinfo->wowl_enabled) |
1424 | brcmf_cancel_all_urbs(devinfo); | |
1425 | else | |
1426 | brcmf_detach(&usb->dev); | |
71bb244b AS |
1427 | return 0; |
1428 | } | |
1429 | ||
1430 | /* | |
7c38e698 | 1431 | * (re-) start the bus. |
71bb244b AS |
1432 | */ |
1433 | static int brcmf_usb_resume(struct usb_interface *intf) | |
1434 | { | |
1435 | struct usb_device *usb = interface_to_usbdev(intf); | |
1436 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); | |
1437 | ||
cb8b73da | 1438 | brcmf_dbg(USB, "Enter\n"); |
244b124c HM |
1439 | if (!devinfo->wowl_enabled) |
1440 | return brcmf_usb_bus_setup(devinfo); | |
1441 | ||
1442 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_UP; | |
1443 | brcmf_usb_rx_fill_all(devinfo); | |
1444 | return 0; | |
71bb244b AS |
1445 | } |
1446 | ||
7c38e698 HM |
1447 | static int brcmf_usb_reset_resume(struct usb_interface *intf) |
1448 | { | |
1449 | struct usb_device *usb = interface_to_usbdev(intf); | |
1450 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); | |
51c7f5ed | 1451 | |
7c38e698 HM |
1452 | brcmf_dbg(USB, "Enter\n"); |
1453 | ||
46d703a7 | 1454 | return brcmf_fw_get_firmwares(&usb->dev, 0, devinfo->fw_name, NULL, |
5b8045d4 | 1455 | brcmf_usb_probe_phase2); |
7c38e698 HM |
1456 | } |
1457 | ||
5779ae6a HM |
1458 | #define BRCMF_USB_DEVICE(dev_id) \ |
1459 | { USB_DEVICE(BRCM_USB_VENDOR_ID_BROADCOM, dev_id) } | |
71bb244b | 1460 | |
bccf3ffc IL |
1461 | #define LINKSYS_USB_DEVICE(dev_id) \ |
1462 | { USB_DEVICE(BRCM_USB_VENDOR_ID_LINKSYS, dev_id) } | |
1463 | ||
71bb244b | 1464 | static struct usb_device_id brcmf_usb_devid_table[] = { |
5779ae6a HM |
1465 | BRCMF_USB_DEVICE(BRCM_USB_43143_DEVICE_ID), |
1466 | BRCMF_USB_DEVICE(BRCM_USB_43236_DEVICE_ID), | |
1467 | BRCMF_USB_DEVICE(BRCM_USB_43242_DEVICE_ID), | |
1468 | BRCMF_USB_DEVICE(BRCM_USB_43569_DEVICE_ID), | |
bccf3ffc | 1469 | LINKSYS_USB_DEVICE(BRCM_USB_43235_LINKSYS_DEVICE_ID), |
540313d8 | 1470 | { USB_DEVICE(BRCM_USB_VENDOR_ID_LG, BRCM_USB_43242_LG_DEVICE_ID) }, |
71bb244b | 1471 | /* special entry for device with firmware loaded and running */ |
5779ae6a HM |
1472 | BRCMF_USB_DEVICE(BRCM_USB_BCMFW_DEVICE_ID), |
1473 | { /* end: all zeroes */ } | |
71bb244b | 1474 | }; |
5cfd6e88 | 1475 | |
71bb244b | 1476 | MODULE_DEVICE_TABLE(usb, brcmf_usb_devid_table); |
71bb244b | 1477 | |
71bb244b AS |
1478 | static struct usb_driver brcmf_usbdrvr = { |
1479 | .name = KBUILD_MODNAME, | |
1480 | .probe = brcmf_usb_probe, | |
1481 | .disconnect = brcmf_usb_disconnect, | |
1482 | .id_table = brcmf_usb_devid_table, | |
1483 | .suspend = brcmf_usb_suspend, | |
1484 | .resume = brcmf_usb_resume, | |
7c38e698 | 1485 | .reset_resume = brcmf_usb_reset_resume, |
e1f12eb6 | 1486 | .disable_hub_initiated_lpm = 1, |
71bb244b AS |
1487 | }; |
1488 | ||
81d5f1bb AS |
1489 | static int brcmf_usb_reset_device(struct device *dev, void *notused) |
1490 | { | |
1491 | /* device past is the usb interface so we | |
1492 | * need to use parent here. | |
1493 | */ | |
1494 | brcmf_dev_reset(dev->parent); | |
1495 | return 0; | |
1496 | } | |
803599d4 | 1497 | |
71bb244b AS |
1498 | void brcmf_usb_exit(void) |
1499 | { | |
81d5f1bb AS |
1500 | struct device_driver *drv = &brcmf_usbdrvr.drvwrap.driver; |
1501 | int ret; | |
1502 | ||
cb8b73da | 1503 | brcmf_dbg(USB, "Enter\n"); |
81d5f1bb AS |
1504 | ret = driver_for_each_device(drv, NULL, NULL, |
1505 | brcmf_usb_reset_device); | |
71bb244b | 1506 | usb_deregister(&brcmf_usbdrvr); |
71bb244b AS |
1507 | } |
1508 | ||
db4efbbe | 1509 | void brcmf_usb_register(void) |
71bb244b | 1510 | { |
cb8b73da | 1511 | brcmf_dbg(USB, "Enter\n"); |
549040ab | 1512 | usb_register(&brcmf_usbdrvr); |
71bb244b | 1513 | } |