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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" | |
20ec4f57 | 32 | #include "bcdc.h" |
71bb244b | 33 | |
ac83d0b0 | 34 | |
63ce3d5d | 35 | #define IOCTL_RESP_TIMEOUT msecs_to_jiffies(2000) |
71bb244b | 36 | |
83bc9c31 HM |
37 | #define BRCMF_USB_RESET_GETVER_SPINWAIT 100 /* in unit of ms */ |
38 | #define BRCMF_USB_RESET_GETVER_LOOP_CNT 10 | |
71bb244b AS |
39 | |
40 | #define BRCMF_POSTBOOT_ID 0xA123 /* ID to detect if dongle | |
41 | has boot up */ | |
51c7f5ed HM |
42 | #define BRCMF_USB_NRXQ 50 |
43 | #define BRCMF_USB_NTXQ 50 | |
71bb244b | 44 | |
51c7f5ed HM |
45 | #define BRCMF_USB_CBCTL_WRITE 0 |
46 | #define BRCMF_USB_CBCTL_READ 1 | |
47 | #define BRCMF_USB_MAX_PKT_SIZE 1600 | |
71bb244b | 48 | |
46d703a7 HM |
49 | BRCMF_FW_DEF(43143, "brcmfmac43143.bin"); |
50 | BRCMF_FW_DEF(43236B, "brcmfmac43236b.bin"); | |
51 | BRCMF_FW_DEF(43242A, "brcmfmac43242a.bin"); | |
52 | BRCMF_FW_DEF(43569, "brcmfmac43569.bin"); | |
0ec9eb90 | 53 | BRCMF_FW_DEF(4373, "brcmfmac4373.bin"); |
46d703a7 HM |
54 | |
55 | static struct brcmf_firmware_mapping brcmf_usb_fwnames[] = { | |
56 | BRCMF_FW_ENTRY(BRCM_CC_43143_CHIP_ID, 0xFFFFFFFF, 43143), | |
57 | BRCMF_FW_ENTRY(BRCM_CC_43235_CHIP_ID, 0x00000008, 43236B), | |
58 | BRCMF_FW_ENTRY(BRCM_CC_43236_CHIP_ID, 0x00000008, 43236B), | |
59 | BRCMF_FW_ENTRY(BRCM_CC_43238_CHIP_ID, 0x00000008, 43236B), | |
60 | BRCMF_FW_ENTRY(BRCM_CC_43242_CHIP_ID, 0xFFFFFFFF, 43242A), | |
61 | BRCMF_FW_ENTRY(BRCM_CC_43566_CHIP_ID, 0xFFFFFFFF, 43569), | |
0ec9eb90 CHL |
62 | BRCMF_FW_ENTRY(BRCM_CC_43569_CHIP_ID, 0xFFFFFFFF, 43569), |
63 | BRCMF_FW_ENTRY(CY_CC_4373_CHIP_ID, 0xFFFFFFFF, 4373) | |
46d703a7 | 64 | }; |
71bb244b | 65 | |
ac83d0b0 HM |
66 | #define TRX_MAGIC 0x30524448 /* "HDR0" */ |
67 | #define TRX_MAX_OFFSET 3 /* Max number of file offsets */ | |
68 | #define TRX_UNCOMP_IMAGE 0x20 /* Trx holds uncompressed img */ | |
69 | #define TRX_RDL_CHUNK 1500 /* size of each dl transfer */ | |
70 | #define TRX_OFFSETS_DLFWLEN_IDX 0 | |
71 | ||
72 | /* Control messages: bRequest values */ | |
73 | #define DL_GETSTATE 0 /* returns the rdl_state_t struct */ | |
74 | #define DL_CHECK_CRC 1 /* currently unused */ | |
75 | #define DL_GO 2 /* execute downloaded image */ | |
76 | #define DL_START 3 /* initialize dl state */ | |
77 | #define DL_REBOOT 4 /* reboot the device in 2 seconds */ | |
78 | #define DL_GETVER 5 /* returns the bootrom_id_t struct */ | |
79 | #define DL_GO_PROTECTED 6 /* execute the downloaded code and set reset | |
80 | * event to occur in 2 seconds. It is the | |
81 | * responsibility of the downloaded code to | |
82 | * clear this event | |
83 | */ | |
84 | #define DL_EXEC 7 /* jump to a supplied address */ | |
85 | #define DL_RESETCFG 8 /* To support single enum on dongle | |
86 | * - Not used by bootloader | |
87 | */ | |
88 | #define DL_DEFER_RESP_OK 9 /* Potentially defer the response to setup | |
89 | * if resp unavailable | |
90 | */ | |
91 | ||
92 | /* states */ | |
93 | #define DL_WAITING 0 /* waiting to rx first pkt */ | |
94 | #define DL_READY 1 /* hdr was good, waiting for more of the | |
95 | * compressed image | |
96 | */ | |
97 | #define DL_BAD_HDR 2 /* hdr was corrupted */ | |
98 | #define DL_BAD_CRC 3 /* compressed image was corrupted */ | |
99 | #define DL_RUNNABLE 4 /* download was successful,waiting for go cmd */ | |
100 | #define DL_START_FAIL 5 /* failed to initialize correctly */ | |
101 | #define DL_NVRAM_TOOBIG 6 /* host specified nvram data exceeds DL_NVRAM | |
102 | * value | |
103 | */ | |
104 | #define DL_IMAGE_TOOBIG 7 /* firmware image too big */ | |
105 | ||
106 | ||
107 | struct trx_header_le { | |
108 | __le32 magic; /* "HDR0" */ | |
109 | __le32 len; /* Length of file including header */ | |
110 | __le32 crc32; /* CRC from flag_version to end of file */ | |
111 | __le32 flag_version; /* 0:15 flags, 16:31 version */ | |
112 | __le32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of | |
113 | * header | |
114 | */ | |
115 | }; | |
116 | ||
117 | struct rdl_state_le { | |
118 | __le32 state; | |
119 | __le32 bytes; | |
120 | }; | |
121 | ||
122 | struct bootrom_id_le { | |
123 | __le32 chip; /* Chip id */ | |
124 | __le32 chiprev; /* Chip rev */ | |
125 | __le32 ramsize; /* Size of RAM */ | |
126 | __le32 remapbase; /* Current remap base address */ | |
127 | __le32 boardtype; /* Type of board */ | |
128 | __le32 boardrev; /* Board revision */ | |
129 | }; | |
130 | ||
71bb244b | 131 | struct brcmf_usb_image { |
803599d4 HM |
132 | struct list_head list; |
133 | s8 *fwname; | |
134 | u8 *image; | |
135 | int image_len; | |
71bb244b | 136 | }; |
71bb244b | 137 | |
71bb244b AS |
138 | struct brcmf_usbdev_info { |
139 | struct brcmf_usbdev bus_pub; /* MUST BE FIRST */ | |
140 | spinlock_t qlock; | |
141 | struct list_head rx_freeq; | |
142 | struct list_head rx_postq; | |
143 | struct list_head tx_freeq; | |
144 | struct list_head tx_postq; | |
51c7f5ed | 145 | uint rx_pipe, tx_pipe; |
71bb244b | 146 | |
71bb244b AS |
147 | int rx_low_watermark; |
148 | int tx_low_watermark; | |
149 | int tx_high_watermark; | |
c6ab4294 HM |
150 | int tx_freecount; |
151 | bool tx_flowblock; | |
df50f756 | 152 | spinlock_t tx_flowblock_lock; |
71bb244b AS |
153 | |
154 | struct brcmf_usbreq *tx_reqs; | |
155 | struct brcmf_usbreq *rx_reqs; | |
156 | ||
46d703a7 | 157 | char fw_name[BRCMF_FW_NAME_LEN]; |
5b8045d4 | 158 | const u8 *image; /* buffer for combine fw and nvram */ |
71bb244b AS |
159 | int image_len; |
160 | ||
71bb244b AS |
161 | struct usb_device *usbdev; |
162 | struct device *dev; | |
0f2aa386 | 163 | struct completion dev_init_done; |
71bb244b AS |
164 | |
165 | int ctl_in_pipe, ctl_out_pipe; | |
166 | struct urb *ctl_urb; /* URB for control endpoint */ | |
167 | struct usb_ctrlrequest ctl_write; | |
168 | struct usb_ctrlrequest ctl_read; | |
169 | u32 ctl_urb_actual_length; | |
170 | int ctl_urb_status; | |
171 | int ctl_completed; | |
172 | wait_queue_head_t ioctl_resp_wait; | |
71bb244b | 173 | ulong ctl_op; |
51c7f5ed | 174 | u8 ifnum; |
71bb244b | 175 | |
71bb244b | 176 | struct urb *bulk_urb; /* used for FW download */ |
244b124c HM |
177 | |
178 | bool wowl_enabled; | |
af5b5e62 | 179 | struct brcmf_mp_device *settings; |
71bb244b AS |
180 | }; |
181 | ||
182 | static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, | |
183 | struct brcmf_usbreq *req); | |
184 | ||
71bb244b AS |
185 | static struct brcmf_usbdev *brcmf_usb_get_buspub(struct device *dev) |
186 | { | |
187 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
188 | return bus_if->bus_priv.usb; | |
189 | } | |
190 | ||
191 | static struct brcmf_usbdev_info *brcmf_usb_get_businfo(struct device *dev) | |
192 | { | |
193 | return brcmf_usb_get_buspub(dev)->devinfo; | |
194 | } | |
195 | ||
70398a59 | 196 | static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info *devinfo) |
71bb244b | 197 | { |
70398a59 | 198 | return wait_event_timeout(devinfo->ioctl_resp_wait, |
63ce3d5d | 199 | devinfo->ctl_completed, IOCTL_RESP_TIMEOUT); |
71bb244b AS |
200 | } |
201 | ||
70398a59 | 202 | static void brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo) |
71bb244b | 203 | { |
a7decc44 | 204 | wake_up(&devinfo->ioctl_resp_wait); |
71bb244b AS |
205 | } |
206 | ||
207 | static void | |
208 | brcmf_usb_ctl_complete(struct brcmf_usbdev_info *devinfo, int type, int status) | |
209 | { | |
cb8b73da | 210 | brcmf_dbg(USB, "Enter, status=%d\n", status); |
71bb244b AS |
211 | |
212 | if (unlikely(devinfo == NULL)) | |
213 | return; | |
214 | ||
215 | if (type == BRCMF_USB_CBCTL_READ) { | |
216 | if (status == 0) | |
217 | devinfo->bus_pub.stats.rx_ctlpkts++; | |
218 | else | |
219 | devinfo->bus_pub.stats.rx_ctlerrs++; | |
220 | } else if (type == BRCMF_USB_CBCTL_WRITE) { | |
221 | if (status == 0) | |
222 | devinfo->bus_pub.stats.tx_ctlpkts++; | |
223 | else | |
224 | devinfo->bus_pub.stats.tx_ctlerrs++; | |
225 | } | |
226 | ||
227 | devinfo->ctl_urb_status = status; | |
228 | devinfo->ctl_completed = true; | |
229 | brcmf_usb_ioctl_resp_wake(devinfo); | |
230 | } | |
231 | ||
232 | static void | |
233 | brcmf_usb_ctlread_complete(struct urb *urb) | |
234 | { | |
235 | struct brcmf_usbdev_info *devinfo = | |
236 | (struct brcmf_usbdev_info *)urb->context; | |
237 | ||
cb8b73da | 238 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
239 | devinfo->ctl_urb_actual_length = urb->actual_length; |
240 | brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_READ, | |
241 | urb->status); | |
242 | } | |
243 | ||
244 | static void | |
245 | brcmf_usb_ctlwrite_complete(struct urb *urb) | |
246 | { | |
247 | struct brcmf_usbdev_info *devinfo = | |
248 | (struct brcmf_usbdev_info *)urb->context; | |
249 | ||
cb8b73da | 250 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
251 | brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_WRITE, |
252 | urb->status); | |
253 | } | |
254 | ||
71bb244b AS |
255 | static int |
256 | brcmf_usb_send_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) | |
257 | { | |
258 | int ret; | |
259 | u16 size; | |
260 | ||
cb8b73da | 261 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
262 | if (devinfo == NULL || buf == NULL || |
263 | len == 0 || devinfo->ctl_urb == NULL) | |
264 | return -EINVAL; | |
265 | ||
71bb244b AS |
266 | size = len; |
267 | devinfo->ctl_write.wLength = cpu_to_le16p(&size); | |
268 | devinfo->ctl_urb->transfer_buffer_length = size; | |
269 | devinfo->ctl_urb_status = 0; | |
270 | devinfo->ctl_urb_actual_length = 0; | |
271 | ||
272 | usb_fill_control_urb(devinfo->ctl_urb, | |
273 | devinfo->usbdev, | |
274 | devinfo->ctl_out_pipe, | |
275 | (unsigned char *) &devinfo->ctl_write, | |
276 | buf, size, | |
277 | (usb_complete_t)brcmf_usb_ctlwrite_complete, | |
278 | devinfo); | |
279 | ||
280 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); | |
281 | if (ret < 0) | |
5e8149f5 | 282 | brcmf_err("usb_submit_urb failed %d\n", ret); |
71bb244b AS |
283 | |
284 | return ret; | |
285 | } | |
286 | ||
287 | static int | |
288 | brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) | |
289 | { | |
290 | int ret; | |
291 | u16 size; | |
292 | ||
cb8b73da | 293 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
294 | if ((devinfo == NULL) || (buf == NULL) || (len == 0) |
295 | || (devinfo->ctl_urb == NULL)) | |
296 | return -EINVAL; | |
297 | ||
298 | size = len; | |
299 | devinfo->ctl_read.wLength = cpu_to_le16p(&size); | |
300 | devinfo->ctl_urb->transfer_buffer_length = size; | |
301 | ||
81643292 HM |
302 | devinfo->ctl_read.bRequestType = USB_DIR_IN |
303 | | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
304 | devinfo->ctl_read.bRequest = 1; | |
71bb244b AS |
305 | |
306 | usb_fill_control_urb(devinfo->ctl_urb, | |
307 | devinfo->usbdev, | |
308 | devinfo->ctl_in_pipe, | |
309 | (unsigned char *) &devinfo->ctl_read, | |
310 | buf, size, | |
311 | (usb_complete_t)brcmf_usb_ctlread_complete, | |
312 | devinfo); | |
313 | ||
314 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); | |
315 | if (ret < 0) | |
5e8149f5 | 316 | brcmf_err("usb_submit_urb failed %d\n", ret); |
71bb244b AS |
317 | |
318 | return ret; | |
319 | } | |
320 | ||
321 | static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len) | |
322 | { | |
323 | int err = 0; | |
324 | int timeout = 0; | |
71bb244b AS |
325 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); |
326 | ||
cb8b73da | 327 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 | 328 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) |
71bb244b | 329 | return -EIO; |
71bb244b AS |
330 | |
331 | if (test_and_set_bit(0, &devinfo->ctl_op)) | |
332 | return -EIO; | |
333 | ||
a77f5747 | 334 | devinfo->ctl_completed = false; |
71bb244b AS |
335 | err = brcmf_usb_send_ctl(devinfo, buf, len); |
336 | if (err) { | |
5e8149f5 | 337 | brcmf_err("fail %d bytes: %d\n", err, len); |
6385df2d | 338 | clear_bit(0, &devinfo->ctl_op); |
71bb244b AS |
339 | return err; |
340 | } | |
70398a59 | 341 | timeout = brcmf_usb_ioctl_resp_wait(devinfo); |
71bb244b AS |
342 | clear_bit(0, &devinfo->ctl_op); |
343 | if (!timeout) { | |
5e8149f5 | 344 | brcmf_err("Txctl wait timed out\n"); |
71bb244b AS |
345 | err = -EIO; |
346 | } | |
347 | return err; | |
348 | } | |
349 | ||
350 | static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len) | |
351 | { | |
352 | int err = 0; | |
353 | int timeout = 0; | |
71bb244b AS |
354 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); |
355 | ||
cb8b73da | 356 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 | 357 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) |
71bb244b | 358 | return -EIO; |
7c38e698 | 359 | |
71bb244b AS |
360 | if (test_and_set_bit(0, &devinfo->ctl_op)) |
361 | return -EIO; | |
362 | ||
70398a59 | 363 | devinfo->ctl_completed = false; |
71bb244b AS |
364 | err = brcmf_usb_recv_ctl(devinfo, buf, len); |
365 | if (err) { | |
5e8149f5 | 366 | brcmf_err("fail %d bytes: %d\n", err, len); |
6385df2d | 367 | clear_bit(0, &devinfo->ctl_op); |
71bb244b AS |
368 | return err; |
369 | } | |
70398a59 | 370 | timeout = brcmf_usb_ioctl_resp_wait(devinfo); |
71bb244b AS |
371 | err = devinfo->ctl_urb_status; |
372 | clear_bit(0, &devinfo->ctl_op); | |
373 | if (!timeout) { | |
5e8149f5 | 374 | brcmf_err("rxctl wait timed out\n"); |
71bb244b AS |
375 | err = -EIO; |
376 | } | |
377 | if (!err) | |
378 | return devinfo->ctl_urb_actual_length; | |
379 | else | |
380 | return err; | |
381 | } | |
382 | ||
383 | static struct brcmf_usbreq *brcmf_usb_deq(struct brcmf_usbdev_info *devinfo, | |
c6ab4294 | 384 | struct list_head *q, int *counter) |
71bb244b AS |
385 | { |
386 | unsigned long flags; | |
387 | struct brcmf_usbreq *req; | |
388 | spin_lock_irqsave(&devinfo->qlock, flags); | |
389 | if (list_empty(q)) { | |
390 | spin_unlock_irqrestore(&devinfo->qlock, flags); | |
391 | return NULL; | |
392 | } | |
393 | req = list_entry(q->next, struct brcmf_usbreq, list); | |
394 | list_del_init(q->next); | |
c6ab4294 HM |
395 | if (counter) |
396 | (*counter)--; | |
71bb244b AS |
397 | spin_unlock_irqrestore(&devinfo->qlock, flags); |
398 | return req; | |
399 | ||
400 | } | |
401 | ||
402 | static void brcmf_usb_enq(struct brcmf_usbdev_info *devinfo, | |
c6ab4294 HM |
403 | struct list_head *q, struct brcmf_usbreq *req, |
404 | int *counter) | |
71bb244b AS |
405 | { |
406 | unsigned long flags; | |
407 | spin_lock_irqsave(&devinfo->qlock, flags); | |
408 | list_add_tail(&req->list, q); | |
c6ab4294 HM |
409 | if (counter) |
410 | (*counter)++; | |
71bb244b AS |
411 | spin_unlock_irqrestore(&devinfo->qlock, flags); |
412 | } | |
413 | ||
414 | static struct brcmf_usbreq * | |
415 | brcmf_usbdev_qinit(struct list_head *q, int qsize) | |
416 | { | |
417 | int i; | |
418 | struct brcmf_usbreq *req, *reqs; | |
419 | ||
14f8dc49 JP |
420 | reqs = kcalloc(qsize, sizeof(struct brcmf_usbreq), GFP_ATOMIC); |
421 | if (reqs == NULL) | |
71bb244b | 422 | return NULL; |
14f8dc49 | 423 | |
71bb244b AS |
424 | req = reqs; |
425 | ||
426 | for (i = 0; i < qsize; i++) { | |
427 | req->urb = usb_alloc_urb(0, GFP_ATOMIC); | |
428 | if (!req->urb) | |
429 | goto fail; | |
430 | ||
431 | INIT_LIST_HEAD(&req->list); | |
432 | list_add_tail(&req->list, q); | |
433 | req++; | |
434 | } | |
435 | return reqs; | |
436 | fail: | |
5e8149f5 | 437 | brcmf_err("fail!\n"); |
71bb244b AS |
438 | while (!list_empty(q)) { |
439 | req = list_entry(q->next, struct brcmf_usbreq, list); | |
297540f6 | 440 | if (req) |
71bb244b AS |
441 | usb_free_urb(req->urb); |
442 | list_del(q->next); | |
443 | } | |
67cd8ccd | 444 | kfree(reqs); |
71bb244b AS |
445 | return NULL; |
446 | ||
447 | } | |
448 | ||
449 | static void brcmf_usb_free_q(struct list_head *q, bool pending) | |
450 | { | |
451 | struct brcmf_usbreq *req, *next; | |
452 | int i = 0; | |
453 | list_for_each_entry_safe(req, next, q, list) { | |
d4ca0099 | 454 | if (!req->urb) { |
5e8149f5 | 455 | brcmf_err("bad req\n"); |
71bb244b AS |
456 | break; |
457 | } | |
458 | i++; | |
459 | if (pending) { | |
460 | usb_kill_urb(req->urb); | |
461 | } else { | |
462 | usb_free_urb(req->urb); | |
463 | list_del_init(&req->list); | |
464 | } | |
465 | } | |
466 | } | |
467 | ||
468 | static void brcmf_usb_del_fromq(struct brcmf_usbdev_info *devinfo, | |
469 | struct brcmf_usbreq *req) | |
470 | { | |
471 | unsigned long flags; | |
472 | ||
473 | spin_lock_irqsave(&devinfo->qlock, flags); | |
474 | list_del_init(&req->list); | |
475 | spin_unlock_irqrestore(&devinfo->qlock, flags); | |
476 | } | |
477 | ||
478 | ||
479 | static void brcmf_usb_tx_complete(struct urb *urb) | |
480 | { | |
481 | struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; | |
482 | struct brcmf_usbdev_info *devinfo = req->devinfo; | |
df50f756 | 483 | unsigned long flags; |
71bb244b | 484 | |
cb8b73da HM |
485 | brcmf_dbg(USB, "Enter, urb->status=%d, skb=%p\n", urb->status, |
486 | req->skb); | |
71bb244b | 487 | brcmf_usb_del_fromq(devinfo, req); |
71bb244b | 488 | |
7b584396 | 489 | brcmf_proto_bcdc_txcomplete(devinfo->dev, req->skb, urb->status == 0); |
71bb244b | 490 | req->skb = NULL; |
c6ab4294 | 491 | brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, &devinfo->tx_freecount); |
df50f756 | 492 | spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags); |
c6ab4294 HM |
493 | if (devinfo->tx_freecount > devinfo->tx_high_watermark && |
494 | devinfo->tx_flowblock) { | |
20ec4f57 | 495 | brcmf_proto_bcdc_txflowblock(devinfo->dev, false); |
c6ab4294 HM |
496 | devinfo->tx_flowblock = false; |
497 | } | |
df50f756 | 498 | spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags); |
71bb244b AS |
499 | } |
500 | ||
501 | static void brcmf_usb_rx_complete(struct urb *urb) | |
502 | { | |
503 | struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; | |
504 | struct brcmf_usbdev_info *devinfo = req->devinfo; | |
505 | struct sk_buff *skb; | |
71bb244b | 506 | |
cb8b73da | 507 | brcmf_dbg(USB, "Enter, urb->status=%d\n", urb->status); |
71bb244b AS |
508 | brcmf_usb_del_fromq(devinfo, req); |
509 | skb = req->skb; | |
510 | req->skb = NULL; | |
511 | ||
a43af515 | 512 | /* zero lenght packets indicate usb "failure". Do not refill */ |
b1a2a411 | 513 | if (urb->status != 0 || !urb->actual_length) { |
01e3331b | 514 | brcmu_pkt_buf_free_skb(skb); |
c6ab4294 | 515 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
516 | return; |
517 | } | |
518 | ||
7c38e698 | 519 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) { |
71bb244b | 520 | skb_put(skb, urb->actual_length); |
c56caa9d | 521 | brcmf_rx_frame(devinfo->dev, skb, true); |
a43af515 | 522 | brcmf_usb_rx_refill(devinfo, req); |
71bb244b | 523 | } else { |
01e3331b | 524 | brcmu_pkt_buf_free_skb(skb); |
c6ab4294 | 525 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
526 | } |
527 | return; | |
528 | ||
529 | } | |
530 | ||
531 | static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, | |
532 | struct brcmf_usbreq *req) | |
533 | { | |
534 | struct sk_buff *skb; | |
535 | int ret; | |
536 | ||
537 | if (!req || !devinfo) | |
538 | return; | |
539 | ||
540 | skb = dev_alloc_skb(devinfo->bus_pub.bus_mtu); | |
541 | if (!skb) { | |
c6ab4294 | 542 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
543 | return; |
544 | } | |
545 | req->skb = skb; | |
546 | ||
547 | usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->rx_pipe, | |
548 | skb->data, skb_tailroom(skb), brcmf_usb_rx_complete, | |
549 | req); | |
71bb244b | 550 | req->devinfo = devinfo; |
c6ab4294 | 551 | brcmf_usb_enq(devinfo, &devinfo->rx_postq, req, NULL); |
71bb244b AS |
552 | |
553 | ret = usb_submit_urb(req->urb, GFP_ATOMIC); | |
2e875acd HM |
554 | if (ret) { |
555 | brcmf_usb_del_fromq(devinfo, req); | |
01e3331b | 556 | brcmu_pkt_buf_free_skb(req->skb); |
71bb244b | 557 | req->skb = NULL; |
c6ab4294 | 558 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
71bb244b AS |
559 | } |
560 | return; | |
561 | } | |
562 | ||
563 | static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info *devinfo) | |
564 | { | |
565 | struct brcmf_usbreq *req; | |
566 | ||
7c38e698 | 567 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { |
5e8149f5 | 568 | brcmf_err("bus is not up=%d\n", devinfo->bus_pub.state); |
71bb244b AS |
569 | return; |
570 | } | |
c6ab4294 | 571 | while ((req = brcmf_usb_deq(devinfo, &devinfo->rx_freeq, NULL)) != NULL) |
71bb244b AS |
572 | brcmf_usb_rx_refill(devinfo, req); |
573 | } | |
574 | ||
575 | static void | |
576 | brcmf_usb_state_change(struct brcmf_usbdev_info *devinfo, int state) | |
577 | { | |
578 | struct brcmf_bus *bcmf_bus = devinfo->bus_pub.bus; | |
579 | int old_state; | |
580 | ||
cb8b73da HM |
581 | brcmf_dbg(USB, "Enter, current state=%d, new state=%d\n", |
582 | devinfo->bus_pub.state, state); | |
71bb244b AS |
583 | |
584 | if (devinfo->bus_pub.state == state) | |
585 | return; | |
586 | ||
587 | old_state = devinfo->bus_pub.state; | |
7c38e698 | 588 | devinfo->bus_pub.state = state; |
71bb244b AS |
589 | |
590 | /* update state of upper layer */ | |
7c38e698 | 591 | if (state == BRCMFMAC_USB_STATE_DOWN) { |
cb8b73da | 592 | brcmf_dbg(USB, "DBUS is down\n"); |
bb350711 | 593 | brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_DOWN); |
7c38e698 HM |
594 | } else if (state == BRCMFMAC_USB_STATE_UP) { |
595 | brcmf_dbg(USB, "DBUS is up\n"); | |
a1cee865 | 596 | brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_UP); |
71bb244b | 597 | } else { |
cb8b73da | 598 | brcmf_dbg(USB, "DBUS current state=%d\n", state); |
71bb244b AS |
599 | } |
600 | } | |
601 | ||
71bb244b AS |
602 | static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb) |
603 | { | |
604 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
605 | struct brcmf_usbreq *req; | |
606 | int ret; | |
df50f756 | 607 | unsigned long flags; |
71bb244b | 608 | |
cb8b73da | 609 | brcmf_dbg(USB, "Enter, skb=%p\n", skb); |
6fc9ca13 AS |
610 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { |
611 | ret = -EIO; | |
612 | goto fail; | |
613 | } | |
71bb244b | 614 | |
c6ab4294 HM |
615 | req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq, |
616 | &devinfo->tx_freecount); | |
71bb244b | 617 | if (!req) { |
5e8149f5 | 618 | brcmf_err("no req to send\n"); |
6fc9ca13 AS |
619 | ret = -ENOMEM; |
620 | goto fail; | |
71bb244b | 621 | } |
71bb244b AS |
622 | |
623 | req->skb = skb; | |
624 | req->devinfo = devinfo; | |
625 | usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->tx_pipe, | |
626 | skb->data, skb->len, brcmf_usb_tx_complete, req); | |
627 | req->urb->transfer_flags |= URB_ZERO_PACKET; | |
c6ab4294 | 628 | brcmf_usb_enq(devinfo, &devinfo->tx_postq, req, NULL); |
71bb244b | 629 | ret = usb_submit_urb(req->urb, GFP_ATOMIC); |
2e875acd | 630 | if (ret) { |
5e8149f5 | 631 | brcmf_err("brcmf_usb_tx usb_submit_urb FAILED\n"); |
2e875acd | 632 | brcmf_usb_del_fromq(devinfo, req); |
71bb244b | 633 | req->skb = NULL; |
c6ab4294 | 634 | brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, |
6fc9ca13 AS |
635 | &devinfo->tx_freecount); |
636 | goto fail; | |
71bb244b AS |
637 | } |
638 | ||
df50f756 | 639 | spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags); |
6fc9ca13 AS |
640 | if (devinfo->tx_freecount < devinfo->tx_low_watermark && |
641 | !devinfo->tx_flowblock) { | |
20ec4f57 | 642 | brcmf_proto_bcdc_txflowblock(dev, true); |
6fc9ca13 AS |
643 | devinfo->tx_flowblock = true; |
644 | } | |
df50f756 | 645 | spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags); |
6fc9ca13 AS |
646 | return 0; |
647 | ||
648 | fail: | |
71bb244b AS |
649 | return ret; |
650 | } | |
651 | ||
652 | ||
653 | static int brcmf_usb_up(struct device *dev) | |
654 | { | |
655 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
71bb244b | 656 | |
cb8b73da | 657 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 | 658 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) |
d4ca0099 DC |
659 | return 0; |
660 | ||
71bb244b | 661 | /* Success, indicate devinfo is fully up */ |
7c38e698 | 662 | brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_UP); |
71bb244b | 663 | |
71bb244b AS |
664 | if (devinfo->ctl_urb) { |
665 | devinfo->ctl_in_pipe = usb_rcvctrlpipe(devinfo->usbdev, 0); | |
666 | devinfo->ctl_out_pipe = usb_sndctrlpipe(devinfo->usbdev, 0); | |
667 | ||
71bb244b AS |
668 | /* CTL Write */ |
669 | devinfo->ctl_write.bRequestType = | |
670 | USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
671 | devinfo->ctl_write.bRequest = 0; | |
672 | devinfo->ctl_write.wValue = cpu_to_le16(0); | |
51c7f5ed | 673 | devinfo->ctl_write.wIndex = cpu_to_le16(devinfo->ifnum); |
71bb244b AS |
674 | |
675 | /* CTL Read */ | |
676 | devinfo->ctl_read.bRequestType = | |
677 | USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
678 | devinfo->ctl_read.bRequest = 1; | |
679 | devinfo->ctl_read.wValue = cpu_to_le16(0); | |
51c7f5ed | 680 | devinfo->ctl_read.wIndex = cpu_to_le16(devinfo->ifnum); |
71bb244b AS |
681 | } |
682 | brcmf_usb_rx_fill_all(devinfo); | |
683 | return 0; | |
684 | } | |
685 | ||
244b124c HM |
686 | static void brcmf_cancel_all_urbs(struct brcmf_usbdev_info *devinfo) |
687 | { | |
dfbe5ff0 PF |
688 | int i; |
689 | ||
244b124c HM |
690 | if (devinfo->ctl_urb) |
691 | usb_kill_urb(devinfo->ctl_urb); | |
692 | if (devinfo->bulk_urb) | |
693 | usb_kill_urb(devinfo->bulk_urb); | |
dfbe5ff0 PF |
694 | if (devinfo->tx_reqs) |
695 | for (i = 0; i < devinfo->bus_pub.ntxq; i++) | |
696 | usb_kill_urb(devinfo->tx_reqs[i].urb); | |
697 | if (devinfo->rx_reqs) | |
698 | for (i = 0; i < devinfo->bus_pub.nrxq; i++) | |
699 | usb_kill_urb(devinfo->rx_reqs[i].urb); | |
244b124c HM |
700 | } |
701 | ||
71bb244b AS |
702 | static void brcmf_usb_down(struct device *dev) |
703 | { | |
704 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
705 | ||
cb8b73da | 706 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
707 | if (devinfo == NULL) |
708 | return; | |
709 | ||
7c38e698 | 710 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_DOWN) |
71bb244b AS |
711 | return; |
712 | ||
7c38e698 | 713 | brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_DOWN); |
71bb244b | 714 | |
244b124c | 715 | brcmf_cancel_all_urbs(devinfo); |
71bb244b AS |
716 | } |
717 | ||
71bb244b AS |
718 | static void |
719 | brcmf_usb_sync_complete(struct urb *urb) | |
720 | { | |
721 | struct brcmf_usbdev_info *devinfo = | |
722 | (struct brcmf_usbdev_info *)urb->context; | |
723 | ||
1e271c95 HM |
724 | devinfo->ctl_completed = true; |
725 | brcmf_usb_ioctl_resp_wake(devinfo); | |
71bb244b AS |
726 | } |
727 | ||
51c7f5ed HM |
728 | static int brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd, |
729 | void *buffer, int buflen) | |
71bb244b | 730 | { |
51c7f5ed | 731 | int ret; |
71bb244b AS |
732 | char *tmpbuf; |
733 | u16 size; | |
734 | ||
735 | if ((!devinfo) || (devinfo->ctl_urb == NULL)) | |
51c7f5ed | 736 | return -EINVAL; |
71bb244b AS |
737 | |
738 | tmpbuf = kmalloc(buflen, GFP_ATOMIC); | |
739 | if (!tmpbuf) | |
51c7f5ed | 740 | return -ENOMEM; |
71bb244b AS |
741 | |
742 | size = buflen; | |
743 | devinfo->ctl_urb->transfer_buffer_length = size; | |
744 | ||
745 | devinfo->ctl_read.wLength = cpu_to_le16p(&size); | |
746 | devinfo->ctl_read.bRequestType = USB_DIR_IN | USB_TYPE_VENDOR | | |
747 | USB_RECIP_INTERFACE; | |
748 | devinfo->ctl_read.bRequest = cmd; | |
749 | ||
750 | usb_fill_control_urb(devinfo->ctl_urb, | |
751 | devinfo->usbdev, | |
752 | usb_rcvctrlpipe(devinfo->usbdev, 0), | |
753 | (unsigned char *) &devinfo->ctl_read, | |
754 | (void *) tmpbuf, size, | |
755 | (usb_complete_t)brcmf_usb_sync_complete, devinfo); | |
756 | ||
1e271c95 | 757 | devinfo->ctl_completed = false; |
71bb244b AS |
758 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); |
759 | if (ret < 0) { | |
5e8149f5 | 760 | brcmf_err("usb_submit_urb failed %d\n", ret); |
51c7f5ed | 761 | goto finalize; |
71bb244b AS |
762 | } |
763 | ||
8180bd47 MV |
764 | if (!brcmf_usb_ioctl_resp_wait(devinfo)) { |
765 | usb_kill_urb(devinfo->ctl_urb); | |
51c7f5ed | 766 | ret = -ETIMEDOUT; |
8180bd47 | 767 | } else { |
51c7f5ed | 768 | memcpy(buffer, tmpbuf, buflen); |
8180bd47 | 769 | } |
71bb244b | 770 | |
51c7f5ed HM |
771 | finalize: |
772 | kfree(tmpbuf); | |
1e271c95 | 773 | return ret; |
71bb244b AS |
774 | } |
775 | ||
776 | static bool | |
777 | brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo) | |
778 | { | |
779 | struct bootrom_id_le id; | |
780 | u32 chipid, chiprev; | |
781 | ||
cb8b73da | 782 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
783 | |
784 | if (devinfo == NULL) | |
785 | return false; | |
786 | ||
787 | /* Check if firmware downloaded already by querying runtime ID */ | |
788 | id.chip = cpu_to_le32(0xDEAD); | |
83bc9c31 | 789 | brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); |
71bb244b AS |
790 | |
791 | chipid = le32_to_cpu(id.chip); | |
792 | chiprev = le32_to_cpu(id.chiprev); | |
793 | ||
794 | if ((chipid & 0x4300) == 0x4300) | |
cb8b73da | 795 | brcmf_dbg(USB, "chip %x rev 0x%x\n", chipid, chiprev); |
71bb244b | 796 | else |
cb8b73da | 797 | brcmf_dbg(USB, "chip %d rev 0x%x\n", chipid, chiprev); |
71bb244b | 798 | if (chipid == BRCMF_POSTBOOT_ID) { |
cb8b73da | 799 | brcmf_dbg(USB, "firmware already downloaded\n"); |
83bc9c31 | 800 | brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); |
71bb244b AS |
801 | return false; |
802 | } else { | |
ac94f196 AS |
803 | devinfo->bus_pub.devid = chipid; |
804 | devinfo->bus_pub.chiprev = chiprev; | |
71bb244b AS |
805 | } |
806 | return true; | |
807 | } | |
808 | ||
809 | static int | |
810 | brcmf_usb_resetcfg(struct brcmf_usbdev_info *devinfo) | |
811 | { | |
812 | struct bootrom_id_le id; | |
83bc9c31 | 813 | u32 loop_cnt; |
51c7f5ed | 814 | int err; |
71bb244b | 815 | |
cb8b73da | 816 | brcmf_dbg(USB, "Enter\n"); |
71bb244b | 817 | |
83bc9c31 HM |
818 | loop_cnt = 0; |
819 | do { | |
820 | mdelay(BRCMF_USB_RESET_GETVER_SPINWAIT); | |
821 | loop_cnt++; | |
71bb244b | 822 | id.chip = cpu_to_le32(0xDEAD); /* Get the ID */ |
51c7f5ed HM |
823 | err = brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); |
824 | if ((err) && (err != -ETIMEDOUT)) | |
825 | return err; | |
71bb244b AS |
826 | if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) |
827 | break; | |
83bc9c31 | 828 | } while (loop_cnt < BRCMF_USB_RESET_GETVER_LOOP_CNT); |
71bb244b AS |
829 | |
830 | if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) { | |
83bc9c31 HM |
831 | brcmf_dbg(USB, "postboot chip 0x%x/rev 0x%x\n", |
832 | le32_to_cpu(id.chip), le32_to_cpu(id.chiprev)); | |
71bb244b | 833 | |
83bc9c31 | 834 | brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); |
71bb244b AS |
835 | return 0; |
836 | } else { | |
5e8149f5 | 837 | brcmf_err("Cannot talk to Dongle. Firmware is not UP, %d ms\n", |
83bc9c31 | 838 | BRCMF_USB_RESET_GETVER_SPINWAIT * loop_cnt); |
71bb244b AS |
839 | return -EINVAL; |
840 | } | |
841 | } | |
842 | ||
843 | ||
844 | static int | |
845 | brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info *devinfo, void *buffer, int len) | |
846 | { | |
847 | int ret; | |
848 | ||
849 | if ((devinfo == NULL) || (devinfo->bulk_urb == NULL)) | |
850 | return -EINVAL; | |
851 | ||
852 | /* Prepare the URB */ | |
853 | usb_fill_bulk_urb(devinfo->bulk_urb, devinfo->usbdev, | |
854 | devinfo->tx_pipe, buffer, len, | |
855 | (usb_complete_t)brcmf_usb_sync_complete, devinfo); | |
856 | ||
857 | devinfo->bulk_urb->transfer_flags |= URB_ZERO_PACKET; | |
858 | ||
1e271c95 | 859 | devinfo->ctl_completed = false; |
71bb244b AS |
860 | ret = usb_submit_urb(devinfo->bulk_urb, GFP_ATOMIC); |
861 | if (ret) { | |
5e8149f5 | 862 | brcmf_err("usb_submit_urb failed %d\n", ret); |
71bb244b AS |
863 | return ret; |
864 | } | |
1e271c95 HM |
865 | ret = brcmf_usb_ioctl_resp_wait(devinfo); |
866 | return (ret == 0); | |
71bb244b AS |
867 | } |
868 | ||
869 | static int | |
870 | brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen) | |
871 | { | |
872 | unsigned int sendlen, sent, dllen; | |
873 | char *bulkchunk = NULL, *dlpos; | |
874 | struct rdl_state_le state; | |
875 | u32 rdlstate, rdlbytes; | |
876 | int err = 0; | |
cb8b73da HM |
877 | |
878 | brcmf_dbg(USB, "Enter, fw %p, len %d\n", fw, fwlen); | |
71bb244b | 879 | |
ac83d0b0 | 880 | bulkchunk = kmalloc(TRX_RDL_CHUNK, GFP_ATOMIC); |
71bb244b AS |
881 | if (bulkchunk == NULL) { |
882 | err = -ENOMEM; | |
883 | goto fail; | |
884 | } | |
885 | ||
886 | /* 1) Prepare USB boot loader for runtime image */ | |
51c7f5ed | 887 | brcmf_usb_dl_cmd(devinfo, DL_START, &state, sizeof(state)); |
71bb244b AS |
888 | |
889 | rdlstate = le32_to_cpu(state.state); | |
890 | rdlbytes = le32_to_cpu(state.bytes); | |
891 | ||
892 | /* 2) Check we are in the Waiting state */ | |
893 | if (rdlstate != DL_WAITING) { | |
5e8149f5 | 894 | brcmf_err("Failed to DL_START\n"); |
71bb244b AS |
895 | err = -EINVAL; |
896 | goto fail; | |
897 | } | |
898 | sent = 0; | |
899 | dlpos = fw; | |
900 | dllen = fwlen; | |
901 | ||
902 | /* Get chip id and rev */ | |
903 | while (rdlbytes != dllen) { | |
904 | /* Wait until the usb device reports it received all | |
905 | * the bytes we sent */ | |
906 | if ((rdlbytes == sent) && (rdlbytes != dllen)) { | |
ac83d0b0 | 907 | if ((dllen-sent) < TRX_RDL_CHUNK) |
71bb244b AS |
908 | sendlen = dllen-sent; |
909 | else | |
ac83d0b0 | 910 | sendlen = TRX_RDL_CHUNK; |
71bb244b AS |
911 | |
912 | /* simply avoid having to send a ZLP by ensuring we | |
913 | * never have an even | |
914 | * multiple of 64 | |
915 | */ | |
916 | if (!(sendlen % 64)) | |
917 | sendlen -= 4; | |
918 | ||
919 | /* send data */ | |
920 | memcpy(bulkchunk, dlpos, sendlen); | |
921 | if (brcmf_usb_dl_send_bulk(devinfo, bulkchunk, | |
922 | sendlen)) { | |
5e8149f5 | 923 | brcmf_err("send_bulk failed\n"); |
71bb244b AS |
924 | err = -EINVAL; |
925 | goto fail; | |
926 | } | |
927 | ||
928 | dlpos += sendlen; | |
929 | sent += sendlen; | |
930 | } | |
51c7f5ed HM |
931 | err = brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, |
932 | sizeof(state)); | |
933 | if (err) { | |
934 | brcmf_err("DL_GETSTATE Failed\n"); | |
71bb244b AS |
935 | goto fail; |
936 | } | |
937 | ||
938 | rdlstate = le32_to_cpu(state.state); | |
939 | rdlbytes = le32_to_cpu(state.bytes); | |
940 | ||
941 | /* restart if an error is reported */ | |
942 | if (rdlstate == DL_BAD_HDR || rdlstate == DL_BAD_CRC) { | |
5e8149f5 | 943 | brcmf_err("Bad Hdr or Bad CRC state %d\n", |
71bb244b AS |
944 | rdlstate); |
945 | err = -EINVAL; | |
946 | goto fail; | |
947 | } | |
948 | } | |
949 | ||
950 | fail: | |
951 | kfree(bulkchunk); | |
cb8b73da | 952 | brcmf_dbg(USB, "Exit, err=%d\n", err); |
71bb244b AS |
953 | return err; |
954 | } | |
955 | ||
956 | static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len) | |
957 | { | |
958 | int err; | |
959 | ||
cb8b73da | 960 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
961 | |
962 | if (devinfo == NULL) | |
963 | return -EINVAL; | |
964 | ||
ac94f196 | 965 | if (devinfo->bus_pub.devid == 0xDEAD) |
71bb244b AS |
966 | return -EINVAL; |
967 | ||
968 | err = brcmf_usb_dl_writeimage(devinfo, fw, len); | |
969 | if (err == 0) | |
7c38e698 | 970 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_DONE; |
71bb244b | 971 | else |
7c38e698 | 972 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_FAIL; |
cb8b73da | 973 | brcmf_dbg(USB, "Exit, err=%d\n", err); |
71bb244b AS |
974 | |
975 | return err; | |
976 | } | |
977 | ||
978 | static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo) | |
979 | { | |
980 | struct rdl_state_le state; | |
981 | ||
cb8b73da | 982 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
983 | if (!devinfo) |
984 | return -EINVAL; | |
985 | ||
ac94f196 | 986 | if (devinfo->bus_pub.devid == 0xDEAD) |
71bb244b AS |
987 | return -EINVAL; |
988 | ||
989 | /* Check we are runnable */ | |
51c7f5ed HM |
990 | state.state = 0; |
991 | brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, sizeof(state)); | |
71bb244b AS |
992 | |
993 | /* Start the image */ | |
994 | if (state.state == cpu_to_le32(DL_RUNNABLE)) { | |
51c7f5ed | 995 | if (brcmf_usb_dl_cmd(devinfo, DL_GO, &state, sizeof(state))) |
71bb244b AS |
996 | return -ENODEV; |
997 | if (brcmf_usb_resetcfg(devinfo)) | |
998 | return -ENODEV; | |
999 | /* The Dongle may go for re-enumeration. */ | |
1000 | } else { | |
5e8149f5 | 1001 | brcmf_err("Dongle not runnable\n"); |
71bb244b AS |
1002 | return -EINVAL; |
1003 | } | |
cb8b73da | 1004 | brcmf_dbg(USB, "Exit\n"); |
71bb244b AS |
1005 | return 0; |
1006 | } | |
1007 | ||
71bb244b AS |
1008 | static int |
1009 | brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo) | |
1010 | { | |
71bb244b AS |
1011 | int err; |
1012 | ||
cb8b73da | 1013 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
1014 | if (devinfo == NULL) |
1015 | return -ENODEV; | |
1016 | ||
71bb244b | 1017 | if (!devinfo->image) { |
5e8149f5 | 1018 | brcmf_err("No firmware!\n"); |
71bb244b AS |
1019 | return -ENOENT; |
1020 | } | |
1021 | ||
1022 | err = brcmf_usb_dlstart(devinfo, | |
5b8045d4 | 1023 | (u8 *)devinfo->image, devinfo->image_len); |
71bb244b AS |
1024 | if (err == 0) |
1025 | err = brcmf_usb_dlrun(devinfo); | |
1026 | return err; | |
1027 | } | |
1028 | ||
1029 | ||
d74a0b51 | 1030 | static void brcmf_usb_detach(struct brcmf_usbdev_info *devinfo) |
71bb244b | 1031 | { |
cb8b73da | 1032 | brcmf_dbg(USB, "Enter, devinfo %p\n", devinfo); |
71bb244b | 1033 | |
71bb244b AS |
1034 | /* free the URBS */ |
1035 | brcmf_usb_free_q(&devinfo->rx_freeq, false); | |
1036 | brcmf_usb_free_q(&devinfo->tx_freeq, false); | |
1037 | ||
71bb244b AS |
1038 | usb_free_urb(devinfo->ctl_urb); |
1039 | usb_free_urb(devinfo->bulk_urb); | |
1040 | ||
1041 | kfree(devinfo->tx_reqs); | |
1042 | kfree(devinfo->rx_reqs); | |
af5b5e62 HM |
1043 | |
1044 | if (devinfo->settings) | |
1045 | brcmf_release_module_param(devinfo->settings); | |
71bb244b AS |
1046 | } |
1047 | ||
71bb244b AS |
1048 | |
1049 | static int check_file(const u8 *headers) | |
1050 | { | |
1051 | struct trx_header_le *trx; | |
1052 | int actual_len = -1; | |
1053 | ||
cb8b73da | 1054 | brcmf_dbg(USB, "Enter\n"); |
71bb244b AS |
1055 | /* Extract trx header */ |
1056 | trx = (struct trx_header_le *) headers; | |
1057 | if (trx->magic != cpu_to_le32(TRX_MAGIC)) | |
1058 | return -1; | |
1059 | ||
1060 | headers += sizeof(struct trx_header_le); | |
1061 | ||
1062 | if (le32_to_cpu(trx->flag_version) & TRX_UNCOMP_IMAGE) { | |
1063 | actual_len = le32_to_cpu(trx->offsets[TRX_OFFSETS_DLFWLEN_IDX]); | |
1064 | return actual_len + sizeof(struct trx_header_le); | |
1065 | } | |
1066 | return -1; | |
1067 | } | |
1068 | ||
71bb244b AS |
1069 | |
1070 | static | |
d74a0b51 HM |
1071 | struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo, |
1072 | int nrxq, int ntxq) | |
71bb244b | 1073 | { |
cb8b73da HM |
1074 | brcmf_dbg(USB, "Enter\n"); |
1075 | ||
71bb244b AS |
1076 | devinfo->bus_pub.nrxq = nrxq; |
1077 | devinfo->rx_low_watermark = nrxq / 2; | |
1078 | devinfo->bus_pub.devinfo = devinfo; | |
1079 | devinfo->bus_pub.ntxq = ntxq; | |
7c38e698 | 1080 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DOWN; |
71bb244b AS |
1081 | |
1082 | /* flow control when too many tx urbs posted */ | |
1083 | devinfo->tx_low_watermark = ntxq / 4; | |
1084 | devinfo->tx_high_watermark = devinfo->tx_low_watermark * 3; | |
71bb244b AS |
1085 | devinfo->bus_pub.bus_mtu = BRCMF_USB_MAX_PKT_SIZE; |
1086 | ||
1087 | /* Initialize other structure content */ | |
1088 | init_waitqueue_head(&devinfo->ioctl_resp_wait); | |
1089 | ||
1090 | /* Initialize the spinlocks */ | |
1091 | spin_lock_init(&devinfo->qlock); | |
df50f756 | 1092 | spin_lock_init(&devinfo->tx_flowblock_lock); |
71bb244b AS |
1093 | |
1094 | INIT_LIST_HEAD(&devinfo->rx_freeq); | |
1095 | INIT_LIST_HEAD(&devinfo->rx_postq); | |
1096 | ||
1097 | INIT_LIST_HEAD(&devinfo->tx_freeq); | |
1098 | INIT_LIST_HEAD(&devinfo->tx_postq); | |
1099 | ||
c6ab4294 HM |
1100 | devinfo->tx_flowblock = false; |
1101 | ||
71bb244b AS |
1102 | devinfo->rx_reqs = brcmf_usbdev_qinit(&devinfo->rx_freeq, nrxq); |
1103 | if (!devinfo->rx_reqs) | |
1104 | goto error; | |
1105 | ||
1106 | devinfo->tx_reqs = brcmf_usbdev_qinit(&devinfo->tx_freeq, ntxq); | |
1107 | if (!devinfo->tx_reqs) | |
1108 | goto error; | |
c6ab4294 | 1109 | devinfo->tx_freecount = ntxq; |
71bb244b | 1110 | |
71bb244b | 1111 | devinfo->ctl_urb = usb_alloc_urb(0, GFP_ATOMIC); |
938f89e5 | 1112 | if (!devinfo->ctl_urb) |
71bb244b | 1113 | goto error; |
71bb244b | 1114 | devinfo->bulk_urb = usb_alloc_urb(0, GFP_ATOMIC); |
938f89e5 | 1115 | if (!devinfo->bulk_urb) |
71bb244b | 1116 | goto error; |
71bb244b | 1117 | |
71bb244b AS |
1118 | return &devinfo->bus_pub; |
1119 | ||
1120 | error: | |
5e8149f5 | 1121 | brcmf_err("failed!\n"); |
d74a0b51 | 1122 | brcmf_usb_detach(devinfo); |
71bb244b AS |
1123 | return NULL; |
1124 | } | |
1125 | ||
244b124c HM |
1126 | static void brcmf_usb_wowl_config(struct device *dev, bool enabled) |
1127 | { | |
1128 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
1129 | ||
1130 | brcmf_dbg(USB, "Configuring WOWL, enabled=%d\n", enabled); | |
1131 | devinfo->wowl_enabled = enabled; | |
1132 | if (enabled) | |
1133 | device_set_wakeup_enable(devinfo->dev, true); | |
1134 | else | |
1135 | device_set_wakeup_enable(devinfo->dev, false); | |
1136 | } | |
1137 | ||
da65bad3 CHH |
1138 | static int brcmf_usb_get_fwname(struct device *dev, u32 chip, u32 chiprev, |
1139 | u8 *fw_name) | |
1140 | { | |
1141 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); | |
1142 | int ret = 0; | |
1143 | ||
1144 | if (devinfo->fw_name[0] != '\0') | |
1145 | strlcpy(fw_name, devinfo->fw_name, BRCMF_FW_NAME_LEN); | |
1146 | else | |
1147 | ret = brcmf_fw_map_chip_to_name(chip, chiprev, | |
1148 | brcmf_usb_fwnames, | |
1149 | ARRAY_SIZE(brcmf_usb_fwnames), | |
1150 | fw_name, NULL); | |
1151 | ||
1152 | return ret; | |
1153 | } | |
1154 | ||
6866a64a | 1155 | static const struct brcmf_bus_ops brcmf_usb_bus_ops = { |
d9cb2596 | 1156 | .txdata = brcmf_usb_tx, |
d9cb2596 AS |
1157 | .stop = brcmf_usb_down, |
1158 | .txctl = brcmf_usb_tx_ctlpkt, | |
1159 | .rxctl = brcmf_usb_rx_ctlpkt, | |
244b124c | 1160 | .wowl_config = brcmf_usb_wowl_config, |
da65bad3 | 1161 | .get_fwname = brcmf_usb_get_fwname, |
d9cb2596 AS |
1162 | }; |
1163 | ||
4dd7de1f AS |
1164 | static int brcmf_usb_bus_setup(struct brcmf_usbdev_info *devinfo) |
1165 | { | |
1166 | int ret; | |
1167 | ||
1168 | /* Attach to the common driver interface */ | |
af5b5e62 | 1169 | ret = brcmf_attach(devinfo->dev, devinfo->settings); |
4dd7de1f AS |
1170 | if (ret) { |
1171 | brcmf_err("brcmf_attach failed\n"); | |
1172 | return ret; | |
1173 | } | |
1174 | ||
1175 | ret = brcmf_usb_up(devinfo->dev); | |
1176 | if (ret) | |
1177 | goto fail; | |
1178 | ||
e8cd4750 | 1179 | ret = brcmf_bus_started(devinfo->dev); |
4dd7de1f AS |
1180 | if (ret) |
1181 | goto fail; | |
1182 | ||
1183 | return 0; | |
1184 | fail: | |
1185 | brcmf_detach(devinfo->dev); | |
1186 | return ret; | |
1187 | } | |
1188 | ||
6d0507a7 | 1189 | static void brcmf_usb_probe_phase2(struct device *dev, int ret, |
5b8045d4 AS |
1190 | const struct firmware *fw, |
1191 | void *nvram, u32 nvlen) | |
1192 | { | |
1193 | struct brcmf_bus *bus = dev_get_drvdata(dev); | |
35abcd4f | 1194 | struct brcmf_usbdev_info *devinfo = bus->bus_priv.usb->devinfo; |
6d0507a7 AVS |
1195 | |
1196 | if (ret) | |
1197 | goto error; | |
5b8045d4 AS |
1198 | |
1199 | brcmf_dbg(USB, "Start fw downloading\n"); | |
185f0eb0 | 1200 | |
5b8045d4 AS |
1201 | ret = check_file(fw->data); |
1202 | if (ret < 0) { | |
1203 | brcmf_err("invalid firmware\n"); | |
1204 | release_firmware(fw); | |
1205 | goto error; | |
1206 | } | |
1207 | ||
5b8045d4 AS |
1208 | devinfo->image = fw->data; |
1209 | devinfo->image_len = fw->size; | |
1210 | ||
1211 | ret = brcmf_usb_fw_download(devinfo); | |
1212 | release_firmware(fw); | |
1213 | if (ret) | |
1214 | goto error; | |
1215 | ||
1216 | ret = brcmf_usb_bus_setup(devinfo); | |
1217 | if (ret) | |
1218 | goto error; | |
1219 | ||
0f2aa386 | 1220 | complete(&devinfo->dev_init_done); |
5b8045d4 AS |
1221 | return; |
1222 | error: | |
1223 | brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), ret); | |
0f2aa386 | 1224 | complete(&devinfo->dev_init_done); |
5b8045d4 AS |
1225 | device_release_driver(dev); |
1226 | } | |
1227 | ||
b87e2c48 | 1228 | static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) |
71bb244b AS |
1229 | { |
1230 | struct brcmf_bus *bus = NULL; | |
1231 | struct brcmf_usbdev *bus_pub = NULL; | |
d74a0b51 | 1232 | struct device *dev = devinfo->dev; |
5b8045d4 | 1233 | int ret; |
71bb244b | 1234 | |
cb8b73da | 1235 | brcmf_dbg(USB, "Enter\n"); |
d74a0b51 | 1236 | bus_pub = brcmf_usb_attach(devinfo, BRCMF_USB_NRXQ, BRCMF_USB_NTXQ); |
9cd23a71 HM |
1237 | if (!bus_pub) |
1238 | return -ENODEV; | |
71bb244b AS |
1239 | |
1240 | bus = kzalloc(sizeof(struct brcmf_bus), GFP_ATOMIC); | |
1241 | if (!bus) { | |
1242 | ret = -ENOMEM; | |
1243 | goto fail; | |
1244 | } | |
1245 | ||
d9cb2596 | 1246 | bus->dev = dev; |
71bb244b | 1247 | bus_pub->bus = bus; |
71bb244b AS |
1248 | bus->bus_priv.usb = bus_pub; |
1249 | dev_set_drvdata(dev, bus); | |
d9cb2596 | 1250 | bus->ops = &brcmf_usb_bus_ops; |
943258b6 | 1251 | bus->proto_type = BRCMF_PROTO_BCDC; |
9cd18359 | 1252 | bus->always_use_fws_queue = true; |
244b124c HM |
1253 | #ifdef CONFIG_PM |
1254 | bus->wowl_supported = true; | |
1255 | #endif | |
71bb244b | 1256 | |
af5b5e62 HM |
1257 | devinfo->settings = brcmf_get_module_param(bus->dev, BRCMF_BUSTYPE_USB, |
1258 | bus_pub->devid, | |
1259 | bus_pub->chiprev); | |
1260 | if (!devinfo->settings) { | |
1261 | ret = -ENOMEM; | |
1262 | goto fail; | |
1263 | } | |
1264 | ||
5b8045d4 AS |
1265 | if (!brcmf_usb_dlneeded(devinfo)) { |
1266 | ret = brcmf_usb_bus_setup(devinfo); | |
1267 | if (ret) | |
1268 | goto fail; | |
86fec35e | 1269 | /* we are done */ |
0f2aa386 | 1270 | complete(&devinfo->dev_init_done); |
86fec35e | 1271 | return 0; |
71bb244b | 1272 | } |
c6bff544 AS |
1273 | bus->chip = bus_pub->devid; |
1274 | bus->chiprev = bus_pub->chiprev; | |
1275 | ||
46d703a7 HM |
1276 | ret = brcmf_fw_map_chip_to_name(bus_pub->devid, bus_pub->chiprev, |
1277 | brcmf_usb_fwnames, | |
1278 | ARRAY_SIZE(brcmf_usb_fwnames), | |
1279 | devinfo->fw_name, NULL); | |
1280 | if (ret) | |
1281 | goto fail; | |
1282 | ||
5b8045d4 | 1283 | /* request firmware here */ |
46d703a7 HM |
1284 | ret = brcmf_fw_get_firmwares(dev, 0, devinfo->fw_name, NULL, |
1285 | brcmf_usb_probe_phase2); | |
6e651045 RM |
1286 | if (ret) { |
1287 | brcmf_err("firmware request failed: %d\n", ret); | |
1288 | goto fail; | |
1289 | } | |
1290 | ||
71bb244b | 1291 | return 0; |
5b8045d4 | 1292 | |
71bb244b AS |
1293 | fail: |
1294 | /* Release resources in reverse order */ | |
71bb244b | 1295 | kfree(bus); |
d74a0b51 | 1296 | brcmf_usb_detach(devinfo); |
71bb244b AS |
1297 | return ret; |
1298 | } | |
1299 | ||
1300 | static void | |
d74a0b51 | 1301 | brcmf_usb_disconnect_cb(struct brcmf_usbdev_info *devinfo) |
71bb244b | 1302 | { |
d74a0b51 | 1303 | if (!devinfo) |
71bb244b | 1304 | return; |
cb8b73da | 1305 | brcmf_dbg(USB, "Enter, bus_pub %p\n", devinfo); |
71bb244b | 1306 | |
d74a0b51 HM |
1307 | brcmf_detach(devinfo->dev); |
1308 | kfree(devinfo->bus_pub.bus); | |
1309 | brcmf_usb_detach(devinfo); | |
71bb244b AS |
1310 | } |
1311 | ||
1312 | static int | |
1313 | brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
1314 | { | |
71bb244b | 1315 | struct usb_device *usb = interface_to_usbdev(intf); |
d74a0b51 | 1316 | struct brcmf_usbdev_info *devinfo; |
51c7f5ed HM |
1317 | struct usb_interface_descriptor *desc; |
1318 | struct usb_endpoint_descriptor *endpoint; | |
1319 | int ret = 0; | |
1320 | u32 num_of_eps; | |
1321 | u8 endpoint_num, ep; | |
71bb244b | 1322 | |
b6fd7fd2 | 1323 | brcmf_dbg(USB, "Enter 0x%04x:0x%04x\n", id->idVendor, id->idProduct); |
71bb244b | 1324 | |
d74a0b51 HM |
1325 | devinfo = kzalloc(sizeof(*devinfo), GFP_ATOMIC); |
1326 | if (devinfo == NULL) | |
1327 | return -ENOMEM; | |
71bb244b | 1328 | |
d74a0b51 HM |
1329 | devinfo->usbdev = usb; |
1330 | devinfo->dev = &usb->dev; | |
0f2aa386 | 1331 | /* Init completion, to protect for disconnect while still loading. |
185f0eb0 HM |
1332 | * Necessary because of the asynchronous firmware load construction |
1333 | */ | |
0f2aa386 | 1334 | init_completion(&devinfo->dev_init_done); |
185f0eb0 | 1335 | |
d74a0b51 | 1336 | usb_set_intfdata(intf, devinfo); |
71bb244b AS |
1337 | |
1338 | /* Check that the device supports only one configuration */ | |
1339 | if (usb->descriptor.bNumConfigurations != 1) { | |
51c7f5ed HM |
1340 | brcmf_err("Number of configurations: %d not supported\n", |
1341 | usb->descriptor.bNumConfigurations); | |
1342 | ret = -ENODEV; | |
71bb244b AS |
1343 | goto fail; |
1344 | } | |
1345 | ||
51c7f5ed HM |
1346 | if ((usb->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) && |
1347 | (usb->descriptor.bDeviceClass != USB_CLASS_MISC) && | |
1348 | (usb->descriptor.bDeviceClass != USB_CLASS_WIRELESS_CONTROLLER)) { | |
1349 | brcmf_err("Device class: 0x%x not supported\n", | |
1350 | usb->descriptor.bDeviceClass); | |
1351 | ret = -ENODEV; | |
71bb244b AS |
1352 | goto fail; |
1353 | } | |
1354 | ||
684cf943 | 1355 | desc = &intf->cur_altsetting->desc; |
51c7f5ed HM |
1356 | if ((desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) || |
1357 | (desc->bInterfaceSubClass != 2) || | |
1358 | (desc->bInterfaceProtocol != 0xff)) { | |
1359 | brcmf_err("non WLAN interface %d: 0x%x:0x%x:0x%x\n", | |
1360 | desc->bInterfaceNumber, desc->bInterfaceClass, | |
1361 | desc->bInterfaceSubClass, desc->bInterfaceProtocol); | |
1362 | ret = -ENODEV; | |
71bb244b AS |
1363 | goto fail; |
1364 | } | |
1365 | ||
51c7f5ed HM |
1366 | num_of_eps = desc->bNumEndpoints; |
1367 | for (ep = 0; ep < num_of_eps; ep++) { | |
684cf943 | 1368 | endpoint = &intf->cur_altsetting->endpoint[ep].desc; |
51c7f5ed HM |
1369 | endpoint_num = usb_endpoint_num(endpoint); |
1370 | if (!usb_endpoint_xfer_bulk(endpoint)) | |
1371 | continue; | |
1372 | if (usb_endpoint_dir_in(endpoint)) { | |
1373 | if (!devinfo->rx_pipe) | |
d74a0b51 | 1374 | devinfo->rx_pipe = |
71bb244b | 1375 | usb_rcvbulkpipe(usb, endpoint_num); |
71bb244b | 1376 | } else { |
51c7f5ed HM |
1377 | if (!devinfo->tx_pipe) |
1378 | devinfo->tx_pipe = | |
1379 | usb_sndbulkpipe(usb, endpoint_num); | |
71bb244b AS |
1380 | } |
1381 | } | |
51c7f5ed HM |
1382 | if (devinfo->rx_pipe == 0) { |
1383 | brcmf_err("No RX (in) Bulk EP found\n"); | |
1384 | ret = -ENODEV; | |
1385 | goto fail; | |
1386 | } | |
1387 | if (devinfo->tx_pipe == 0) { | |
1388 | brcmf_err("No TX (out) Bulk EP found\n"); | |
1389 | ret = -ENODEV; | |
1390 | goto fail; | |
1391 | } | |
1392 | ||
1393 | devinfo->ifnum = desc->bInterfaceNumber; | |
71bb244b | 1394 | |
8caf115c ON |
1395 | if (usb->speed == USB_SPEED_SUPER_PLUS) |
1396 | brcmf_dbg(USB, "Broadcom super speed plus USB WLAN interface detected\n"); | |
1397 | else if (usb->speed == USB_SPEED_SUPER) | |
51c7f5ed | 1398 | brcmf_dbg(USB, "Broadcom super speed USB WLAN interface detected\n"); |
de389a53 | 1399 | else if (usb->speed == USB_SPEED_HIGH) |
51c7f5ed | 1400 | brcmf_dbg(USB, "Broadcom high speed USB WLAN interface detected\n"); |
71bb244b | 1401 | else |
51c7f5ed | 1402 | brcmf_dbg(USB, "Broadcom full speed USB WLAN interface detected\n"); |
71bb244b | 1403 | |
b87e2c48 | 1404 | ret = brcmf_usb_probe_cb(devinfo); |
71bb244b AS |
1405 | if (ret) |
1406 | goto fail; | |
1407 | ||
1408 | /* Success */ | |
1409 | return 0; | |
1410 | ||
1411 | fail: | |
0f2aa386 | 1412 | complete(&devinfo->dev_init_done); |
d74a0b51 | 1413 | kfree(devinfo); |
71bb244b AS |
1414 | usb_set_intfdata(intf, NULL); |
1415 | return ret; | |
71bb244b AS |
1416 | } |
1417 | ||
1418 | static void | |
1419 | brcmf_usb_disconnect(struct usb_interface *intf) | |
1420 | { | |
d74a0b51 | 1421 | struct brcmf_usbdev_info *devinfo; |
71bb244b | 1422 | |
cb8b73da | 1423 | brcmf_dbg(USB, "Enter\n"); |
d74a0b51 | 1424 | devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf); |
185f0eb0 HM |
1425 | |
1426 | if (devinfo) { | |
0f2aa386 | 1427 | wait_for_completion(&devinfo->dev_init_done); |
185f0eb0 HM |
1428 | /* Make sure that devinfo still exists. Firmware probe routines |
1429 | * may have released the device and cleared the intfdata. | |
1430 | */ | |
1431 | if (!usb_get_intfdata(intf)) | |
1432 | goto done; | |
1433 | ||
1434 | brcmf_usb_disconnect_cb(devinfo); | |
1435 | kfree(devinfo); | |
1436 | } | |
1437 | done: | |
cb8b73da | 1438 | brcmf_dbg(USB, "Exit\n"); |
71bb244b AS |
1439 | } |
1440 | ||
1441 | /* | |
7c38e698 | 1442 | * only need to signal the bus being down and update the state. |
71bb244b AS |
1443 | */ |
1444 | static int brcmf_usb_suspend(struct usb_interface *intf, pm_message_t state) | |
1445 | { | |
1446 | struct usb_device *usb = interface_to_usbdev(intf); | |
1447 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); | |
1448 | ||
cb8b73da | 1449 | brcmf_dbg(USB, "Enter\n"); |
7c38e698 | 1450 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_SLEEP; |
244b124c HM |
1451 | if (devinfo->wowl_enabled) |
1452 | brcmf_cancel_all_urbs(devinfo); | |
1453 | else | |
1454 | brcmf_detach(&usb->dev); | |
71bb244b AS |
1455 | return 0; |
1456 | } | |
1457 | ||
1458 | /* | |
7c38e698 | 1459 | * (re-) start the bus. |
71bb244b AS |
1460 | */ |
1461 | static int brcmf_usb_resume(struct usb_interface *intf) | |
1462 | { | |
1463 | struct usb_device *usb = interface_to_usbdev(intf); | |
1464 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); | |
1465 | ||
cb8b73da | 1466 | brcmf_dbg(USB, "Enter\n"); |
244b124c HM |
1467 | if (!devinfo->wowl_enabled) |
1468 | return brcmf_usb_bus_setup(devinfo); | |
1469 | ||
1470 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_UP; | |
1471 | brcmf_usb_rx_fill_all(devinfo); | |
1472 | return 0; | |
71bb244b AS |
1473 | } |
1474 | ||
7c38e698 HM |
1475 | static int brcmf_usb_reset_resume(struct usb_interface *intf) |
1476 | { | |
1477 | struct usb_device *usb = interface_to_usbdev(intf); | |
1478 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); | |
51c7f5ed | 1479 | |
7c38e698 HM |
1480 | brcmf_dbg(USB, "Enter\n"); |
1481 | ||
46d703a7 | 1482 | return brcmf_fw_get_firmwares(&usb->dev, 0, devinfo->fw_name, NULL, |
5b8045d4 | 1483 | brcmf_usb_probe_phase2); |
7c38e698 HM |
1484 | } |
1485 | ||
5779ae6a HM |
1486 | #define BRCMF_USB_DEVICE(dev_id) \ |
1487 | { USB_DEVICE(BRCM_USB_VENDOR_ID_BROADCOM, dev_id) } | |
71bb244b | 1488 | |
bccf3ffc IL |
1489 | #define LINKSYS_USB_DEVICE(dev_id) \ |
1490 | { USB_DEVICE(BRCM_USB_VENDOR_ID_LINKSYS, dev_id) } | |
1491 | ||
0ec9eb90 CHL |
1492 | #define CYPRESS_USB_DEVICE(dev_id) \ |
1493 | { USB_DEVICE(CY_USB_VENDOR_ID_CYPRESS, dev_id) } | |
1494 | ||
a67b133b | 1495 | static const struct usb_device_id brcmf_usb_devid_table[] = { |
5779ae6a HM |
1496 | BRCMF_USB_DEVICE(BRCM_USB_43143_DEVICE_ID), |
1497 | BRCMF_USB_DEVICE(BRCM_USB_43236_DEVICE_ID), | |
1498 | BRCMF_USB_DEVICE(BRCM_USB_43242_DEVICE_ID), | |
1499 | BRCMF_USB_DEVICE(BRCM_USB_43569_DEVICE_ID), | |
bccf3ffc | 1500 | LINKSYS_USB_DEVICE(BRCM_USB_43235_LINKSYS_DEVICE_ID), |
0ec9eb90 | 1501 | CYPRESS_USB_DEVICE(CY_USB_4373_DEVICE_ID), |
540313d8 | 1502 | { USB_DEVICE(BRCM_USB_VENDOR_ID_LG, BRCM_USB_43242_LG_DEVICE_ID) }, |
71bb244b | 1503 | /* special entry for device with firmware loaded and running */ |
5779ae6a | 1504 | BRCMF_USB_DEVICE(BRCM_USB_BCMFW_DEVICE_ID), |
0ec9eb90 | 1505 | CYPRESS_USB_DEVICE(BRCM_USB_BCMFW_DEVICE_ID), |
5779ae6a | 1506 | { /* end: all zeroes */ } |
71bb244b | 1507 | }; |
5cfd6e88 | 1508 | |
71bb244b | 1509 | MODULE_DEVICE_TABLE(usb, brcmf_usb_devid_table); |
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, |
e1f12eb6 | 1519 | .disable_hub_initiated_lpm = 1, |
71bb244b AS |
1520 | }; |
1521 | ||
81d5f1bb AS |
1522 | static int brcmf_usb_reset_device(struct device *dev, void *notused) |
1523 | { | |
1524 | /* device past is the usb interface so we | |
1525 | * need to use parent here. | |
1526 | */ | |
1527 | brcmf_dev_reset(dev->parent); | |
1528 | return 0; | |
1529 | } | |
803599d4 | 1530 | |
71bb244b AS |
1531 | void brcmf_usb_exit(void) |
1532 | { | |
81d5f1bb AS |
1533 | struct device_driver *drv = &brcmf_usbdrvr.drvwrap.driver; |
1534 | int ret; | |
1535 | ||
cb8b73da | 1536 | brcmf_dbg(USB, "Enter\n"); |
81d5f1bb AS |
1537 | ret = driver_for_each_device(drv, NULL, NULL, |
1538 | brcmf_usb_reset_device); | |
71bb244b | 1539 | usb_deregister(&brcmf_usbdrvr); |
71bb244b AS |
1540 | } |
1541 | ||
db4efbbe | 1542 | void brcmf_usb_register(void) |
71bb244b | 1543 | { |
cb8b73da | 1544 | brcmf_dbg(USB, "Enter\n"); |
549040ab | 1545 | usb_register(&brcmf_usbdrvr); |
71bb244b | 1546 | } |