Commit | Line | Data |
---|---|---|
876c9d3a MT |
1 | /** |
2 | * This file contains functions used in USB interface module. | |
3 | */ | |
4 | #include <linux/delay.h> | |
084708b6 | 5 | #include <linux/moduleparam.h> |
876c9d3a MT |
6 | #include <linux/firmware.h> |
7 | #include <linux/netdevice.h> | |
8 | #include <linux/usb.h> | |
9 | ||
ec3eef28 HS |
10 | #define DRV_NAME "usb8xxx" |
11 | ||
876c9d3a | 12 | #include "host.h" |
876c9d3a MT |
13 | #include "decl.h" |
14 | #include "defs.h" | |
15 | #include "dev.h" | |
16 | #include "if_usb.h" | |
17 | ||
18 | #define MESSAGE_HEADER_LEN 4 | |
19 | ||
82209adc | 20 | static char *lbs_fw_name = "usb8388.bin"; |
10078321 | 21 | module_param_named(fw_name, lbs_fw_name, charp, 0644); |
084708b6 | 22 | |
876c9d3a MT |
23 | static struct usb_device_id if_usb_table[] = { |
24 | /* Enter the device signature inside */ | |
66fcc559 HS |
25 | { USB_DEVICE(0x1286, 0x2001) }, |
26 | { USB_DEVICE(0x05a3, 0x8388) }, | |
876c9d3a MT |
27 | {} /* Terminating entry */ |
28 | }; | |
29 | ||
30 | MODULE_DEVICE_TABLE(usb, if_usb_table); | |
31 | ||
32 | static void if_usb_receive(struct urb *urb); | |
33 | static void if_usb_receive_fwload(struct urb *urb); | |
954ee164 | 34 | static int if_usb_prog_firmware(struct usb_card_rec *cardp); |
69f9032d HS |
35 | static int if_usb_host_to_card(struct lbs_private *priv, |
36 | u8 type, | |
37 | u8 *payload, | |
38 | u16 nb); | |
39 | static int if_usb_get_int_status(struct lbs_private *priv, u8 *); | |
40 | static int if_usb_read_event_cause(struct lbs_private *); | |
954ee164 | 41 | static int usb_tx_block(struct usb_card_rec *cardp, u8 *payload, u16 nb); |
ac558ca2 | 42 | static void if_usb_free(struct usb_card_rec *cardp); |
954ee164 DW |
43 | static int if_usb_submit_rx_urb(struct usb_card_rec *cardp); |
44 | static int if_usb_reset_device(struct usb_card_rec *cardp); | |
876c9d3a MT |
45 | |
46 | /** | |
47 | * @brief call back function to handle the status of the URB | |
48 | * @param urb pointer to urb structure | |
49 | * @return N/A | |
50 | */ | |
51 | static void if_usb_write_bulk_callback(struct urb *urb) | |
52 | { | |
954ee164 | 53 | struct usb_card_rec *cardp = (struct usb_card_rec *) urb->context; |
876c9d3a MT |
54 | |
55 | /* handle the transmission complete validations */ | |
56 | ||
954ee164 | 57 | if (urb->status == 0) { |
69f9032d | 58 | struct lbs_private *priv = cardp->priv; |
954ee164 | 59 | |
9012b28a HS |
60 | /* |
61 | lbs_deb_usbd(&urb->dev->dev, "URB status is successfull\n"); | |
62 | lbs_deb_usbd(&urb->dev->dev, "Actual length transmitted %d\n", | |
876c9d3a | 63 | urb->actual_length); |
9012b28a | 64 | */ |
954ee164 DW |
65 | |
66 | /* Used for both firmware TX and regular TX. priv isn't | |
67 | * valid at firmware load time. | |
68 | */ | |
e775ed7c DW |
69 | if (priv) |
70 | lbs_host_to_card_done(priv); | |
954ee164 DW |
71 | } else { |
72 | /* print the failure status number for debug */ | |
73 | lbs_pr_info("URB in failure status: %d\n", urb->status); | |
876c9d3a MT |
74 | } |
75 | ||
76 | return; | |
77 | } | |
78 | ||
79 | /** | |
80 | * @brief free tx/rx urb, skb and rx buffer | |
81 | * @param cardp pointer usb_card_rec | |
82 | * @return N/A | |
83 | */ | |
ac558ca2 | 84 | static void if_usb_free(struct usb_card_rec *cardp) |
876c9d3a | 85 | { |
9012b28a | 86 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
87 | |
88 | /* Unlink tx & rx urb */ | |
89 | usb_kill_urb(cardp->tx_urb); | |
90 | usb_kill_urb(cardp->rx_urb); | |
91 | ||
92 | usb_free_urb(cardp->tx_urb); | |
93 | cardp->tx_urb = NULL; | |
94 | ||
95 | usb_free_urb(cardp->rx_urb); | |
96 | cardp->rx_urb = NULL; | |
97 | ||
98 | kfree(cardp->bulk_out_buffer); | |
99 | cardp->bulk_out_buffer = NULL; | |
100 | ||
9012b28a | 101 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
102 | } |
103 | ||
104 | /** | |
105 | * @brief sets the configuration values | |
106 | * @param ifnum interface number | |
107 | * @param id pointer to usb_device_id | |
108 | * @return 0 on success, error code on failure | |
109 | */ | |
110 | static int if_usb_probe(struct usb_interface *intf, | |
111 | const struct usb_device_id *id) | |
112 | { | |
113 | struct usb_device *udev; | |
114 | struct usb_host_interface *iface_desc; | |
115 | struct usb_endpoint_descriptor *endpoint; | |
69f9032d | 116 | struct lbs_private *priv; |
435a1acb | 117 | struct usb_card_rec *cardp; |
876c9d3a MT |
118 | int i; |
119 | ||
120 | udev = interface_to_usbdev(intf); | |
121 | ||
435a1acb HS |
122 | cardp = kzalloc(sizeof(struct usb_card_rec), GFP_KERNEL); |
123 | if (!cardp) { | |
876c9d3a MT |
124 | lbs_pr_err("Out of memory allocating private data.\n"); |
125 | goto error; | |
126 | } | |
127 | ||
435a1acb | 128 | cardp->udev = udev; |
876c9d3a MT |
129 | iface_desc = intf->cur_altsetting; |
130 | ||
9012b28a | 131 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
876c9d3a | 132 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
981f187b DW |
133 | le16_to_cpu(udev->descriptor.bcdUSB), |
134 | udev->descriptor.bDeviceClass, | |
135 | udev->descriptor.bDeviceSubClass, | |
136 | udev->descriptor.bDeviceProtocol); | |
876c9d3a MT |
137 | |
138 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
139 | endpoint = &iface_desc->endpoint[i].desc; | |
140 | if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
141 | && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
142 | USB_ENDPOINT_XFER_BULK)) { | |
143 | /* we found a bulk in endpoint */ | |
9012b28a | 144 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", |
981f187b DW |
145 | le16_to_cpu(endpoint->wMaxPacketSize)); |
146 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
9012b28a | 147 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
148 | "Rx URB allocation failed\n"); |
149 | goto dealloc; | |
150 | } | |
435a1acb | 151 | cardp->rx_urb_recall = 0; |
876c9d3a | 152 | |
435a1acb | 153 | cardp->bulk_in_size = |
981f187b | 154 | le16_to_cpu(endpoint->wMaxPacketSize); |
435a1acb | 155 | cardp->bulk_in_endpointAddr = |
876c9d3a MT |
156 | (endpoint-> |
157 | bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); | |
9012b28a | 158 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", |
876c9d3a MT |
159 | endpoint->bEndpointAddress); |
160 | } | |
161 | ||
162 | if (((endpoint-> | |
163 | bEndpointAddress & USB_ENDPOINT_DIR_MASK) == | |
164 | USB_DIR_OUT) | |
165 | && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
166 | USB_ENDPOINT_XFER_BULK)) { | |
167 | /* We found bulk out endpoint */ | |
981f187b | 168 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { |
9012b28a | 169 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
170 | "Tx URB allocation failed\n"); |
171 | goto dealloc; | |
172 | } | |
173 | ||
435a1acb | 174 | cardp->bulk_out_size = |
981f187b | 175 | le16_to_cpu(endpoint->wMaxPacketSize); |
9012b28a | 176 | lbs_deb_usbd(&udev->dev, |
981f187b DW |
177 | "Bulk out size is %d\n", |
178 | le16_to_cpu(endpoint->wMaxPacketSize)); | |
435a1acb | 179 | cardp->bulk_out_endpointAddr = |
876c9d3a | 180 | endpoint->bEndpointAddress; |
9012b28a | 181 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", |
876c9d3a | 182 | endpoint->bEndpointAddress); |
435a1acb | 183 | cardp->bulk_out_buffer = |
876c9d3a MT |
184 | kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, |
185 | GFP_KERNEL); | |
186 | ||
435a1acb | 187 | if (!cardp->bulk_out_buffer) { |
9012b28a | 188 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
189 | "Could not allocate buffer\n"); |
190 | goto dealloc; | |
191 | } | |
192 | } | |
193 | } | |
194 | ||
954ee164 DW |
195 | /* Upload firmware */ |
196 | cardp->rinfo.cardp = cardp; | |
197 | if (if_usb_prog_firmware(cardp)) { | |
198 | lbs_deb_usbd(&udev->dev, "FW upload failed"); | |
199 | goto err_prog_firmware; | |
200 | } | |
201 | ||
10078321 | 202 | if (!(priv = lbs_add_card(cardp, &udev->dev))) |
954ee164 | 203 | goto err_prog_firmware; |
3874d0fe | 204 | |
954ee164 | 205 | cardp->priv = priv; |
965f8bbc | 206 | |
10078321 | 207 | if (lbs_add_mesh(priv, &udev->dev)) |
6a812157 | 208 | goto err_add_mesh; |
51d84f50 | 209 | |
954ee164 DW |
210 | cardp->eth_dev = priv->dev; |
211 | ||
208fdd2f HS |
212 | priv->hw_host_to_card = if_usb_host_to_card; |
213 | priv->hw_get_int_status = if_usb_get_int_status; | |
214 | priv->hw_read_event_cause = if_usb_read_event_cause; | |
63f0023b | 215 | priv->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 216 | |
954ee164 DW |
217 | /* Delay 200 ms to waiting for the FW ready */ |
218 | if_usb_submit_rx_urb(cardp); | |
219 | msleep_interruptible(200); | |
220 | priv->adapter->fw_ready = 1; | |
221 | ||
10078321 | 222 | if (lbs_start_card(priv)) |
954ee164 | 223 | goto err_start_card; |
32a74b7c | 224 | |
876c9d3a | 225 | usb_get_dev(udev); |
435a1acb | 226 | usb_set_intfdata(intf, cardp); |
876c9d3a | 227 | |
876c9d3a MT |
228 | return 0; |
229 | ||
954ee164 | 230 | err_start_card: |
10078321 | 231 | lbs_remove_mesh(priv); |
6a812157 | 232 | err_add_mesh: |
10078321 | 233 | lbs_remove_card(priv); |
954ee164 DW |
234 | err_prog_firmware: |
235 | if_usb_reset_device(cardp); | |
876c9d3a | 236 | dealloc: |
435a1acb | 237 | if_usb_free(cardp); |
876c9d3a MT |
238 | |
239 | error: | |
240 | return -ENOMEM; | |
241 | } | |
242 | ||
243 | /** | |
244 | * @brief free resource and cleanup | |
435a1acb | 245 | * @param intf USB interface structure |
876c9d3a MT |
246 | * @return N/A |
247 | */ | |
248 | static void if_usb_disconnect(struct usb_interface *intf) | |
249 | { | |
250 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 251 | struct lbs_private *priv = (struct lbs_private *) cardp->priv; |
876c9d3a | 252 | |
954ee164 | 253 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 254 | |
954ee164 DW |
255 | /* Update Surprise removed to TRUE */ |
256 | cardp->surprise_removed = 1; | |
876c9d3a | 257 | |
954ee164 | 258 | if (priv) { |
69f9032d | 259 | struct lbs_adapter *adapter = priv->adapter; |
954ee164 DW |
260 | |
261 | adapter->surpriseremoved = 1; | |
10078321 HS |
262 | lbs_stop_card(priv); |
263 | lbs_remove_mesh(priv); | |
264 | lbs_remove_card(priv); | |
954ee164 | 265 | } |
876c9d3a | 266 | |
be13f189 AS |
267 | /* this is (apparently?) necessary for future usage of the device */ |
268 | lbs_prepare_and_send_command(priv, CMD_802_11_RESET, CMD_ACT_HALT, | |
269 | 0, 0, NULL); | |
270 | ||
876c9d3a MT |
271 | /* Unlink and free urb */ |
272 | if_usb_free(cardp); | |
273 | ||
274 | usb_set_intfdata(intf, NULL); | |
275 | usb_put_dev(interface_to_usbdev(intf)); | |
276 | ||
954ee164 | 277 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
278 | } |
279 | ||
280 | /** | |
281 | * @brief This function download FW | |
69f9032d | 282 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
283 | * @return 0 |
284 | */ | |
954ee164 | 285 | static int if_prog_firmware(struct usb_card_rec *cardp) |
876c9d3a | 286 | { |
876c9d3a MT |
287 | struct FWData *fwdata; |
288 | struct fwheader *fwheader; | |
954ee164 | 289 | u8 *firmware = cardp->fw->data; |
876c9d3a MT |
290 | |
291 | fwdata = kmalloc(sizeof(struct FWData), GFP_ATOMIC); | |
292 | ||
293 | if (!fwdata) | |
294 | return -1; | |
295 | ||
296 | fwheader = &fwdata->fwheader; | |
297 | ||
298 | if (!cardp->CRC_OK) { | |
299 | cardp->totalbytes = cardp->fwlastblksent; | |
300 | cardp->fwseqnum = cardp->lastseqnum - 1; | |
301 | } | |
302 | ||
9012b28a HS |
303 | /* |
304 | lbs_deb_usbd(&cardp->udev->dev, "totalbytes = %d\n", | |
876c9d3a | 305 | cardp->totalbytes); |
9012b28a | 306 | */ |
876c9d3a MT |
307 | |
308 | memcpy(fwheader, &firmware[cardp->totalbytes], | |
309 | sizeof(struct fwheader)); | |
310 | ||
311 | cardp->fwlastblksent = cardp->totalbytes; | |
312 | cardp->totalbytes += sizeof(struct fwheader); | |
313 | ||
9012b28a | 314 | /* lbs_deb_usbd(&cardp->udev->dev,"Copy Data\n"); */ |
876c9d3a | 315 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
981f187b | 316 | le32_to_cpu(fwdata->fwheader.datalength)); |
876c9d3a | 317 | |
9012b28a HS |
318 | /* |
319 | lbs_deb_usbd(&cardp->udev->dev, | |
bb793e2b | 320 | "Data length = %d\n", le32_to_cpu(fwdata->fwheader.datalength)); |
9012b28a | 321 | */ |
876c9d3a MT |
322 | |
323 | cardp->fwseqnum = cardp->fwseqnum + 1; | |
324 | ||
981f187b DW |
325 | fwdata->seqnum = cpu_to_le32(cardp->fwseqnum); |
326 | cardp->lastseqnum = cardp->fwseqnum; | |
327 | cardp->totalbytes += le32_to_cpu(fwdata->fwheader.datalength); | |
876c9d3a | 328 | |
981f187b | 329 | if (fwheader->dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { |
9012b28a | 330 | /* |
981f187b | 331 | lbs_deb_usbd(&cardp->udev->dev, "There are data to follow\n"); |
9012b28a | 332 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
333 | "seqnum = %d totalbytes = %d\n", cardp->fwseqnum, |
334 | cardp->totalbytes); | |
9012b28a | 335 | */ |
876c9d3a | 336 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
954ee164 | 337 | usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); |
876c9d3a | 338 | |
bb793e2b | 339 | } else if (fwdata->fwheader.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { |
9012b28a HS |
340 | /* |
341 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 342 | "Host has finished FW downloading\n"); |
9012b28a | 343 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 344 | "Donwloading FW JUMP BLOCK\n"); |
9012b28a | 345 | */ |
876c9d3a | 346 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
954ee164 | 347 | usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); |
876c9d3a MT |
348 | cardp->fwfinalblk = 1; |
349 | } | |
350 | ||
9012b28a HS |
351 | /* |
352 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a MT |
353 | "The firmware download is done size is %d\n", |
354 | cardp->totalbytes); | |
9012b28a | 355 | */ |
876c9d3a MT |
356 | |
357 | kfree(fwdata); | |
358 | ||
359 | return 0; | |
360 | } | |
361 | ||
954ee164 | 362 | static int if_usb_reset_device(struct usb_card_rec *cardp) |
876c9d3a MT |
363 | { |
364 | int ret; | |
69f9032d | 365 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 366 | |
3874d0fe HS |
367 | lbs_deb_enter(LBS_DEB_USB); |
368 | ||
eedc2a31 DW |
369 | /* Try a USB port reset first, if that fails send the reset |
370 | * command to the firmware. | |
371 | */ | |
876c9d3a | 372 | ret = usb_reset_device(cardp->udev); |
954ee164 | 373 | if (!ret && priv) { |
876c9d3a | 374 | msleep(10); |
10078321 | 375 | ret = lbs_reset_device(priv); |
876c9d3a MT |
376 | msleep(10); |
377 | } | |
3874d0fe HS |
378 | |
379 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
380 | ||
876c9d3a MT |
381 | return ret; |
382 | } | |
383 | ||
384 | /** | |
385 | * @brief This function transfer the data to the device. | |
69f9032d | 386 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
387 | * @param payload pointer to payload data |
388 | * @param nb data length | |
389 | * @return 0 or -1 | |
390 | */ | |
954ee164 | 391 | static int usb_tx_block(struct usb_card_rec *cardp, u8 * payload, u16 nb) |
876c9d3a | 392 | { |
876c9d3a MT |
393 | int ret = -1; |
394 | ||
395 | /* check if device is removed */ | |
954ee164 | 396 | if (cardp->surprise_removed) { |
9012b28a | 397 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
398 | goto tx_ret; |
399 | } | |
400 | ||
401 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
402 | usb_sndbulkpipe(cardp->udev, | |
403 | cardp->bulk_out_endpointAddr), | |
954ee164 | 404 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
405 | |
406 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
407 | ||
408 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
409 | /* transfer failed */ | |
9012b28a | 410 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed\n"); |
876c9d3a MT |
411 | ret = -1; |
412 | } else { | |
9012b28a | 413 | /* lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb success\n"); */ |
876c9d3a MT |
414 | ret = 0; |
415 | } | |
416 | ||
417 | tx_ret: | |
418 | return ret; | |
419 | } | |
420 | ||
954ee164 DW |
421 | static int __if_usb_submit_rx_urb(struct usb_card_rec *cardp, |
422 | void (*callbackfn)(struct urb *urb)) | |
876c9d3a | 423 | { |
876c9d3a MT |
424 | struct sk_buff *skb; |
425 | struct read_cb_info *rinfo = &cardp->rinfo; | |
426 | int ret = -1; | |
427 | ||
428 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
429 | lbs_pr_err("No free skb\n"); | |
430 | goto rx_ret; | |
431 | } | |
432 | ||
433 | rinfo->skb = skb; | |
434 | ||
435 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
436 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
437 | usb_rcvbulkpipe(cardp->udev, | |
438 | cardp->bulk_in_endpointAddr), | |
4269e2ad | 439 | (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), |
876c9d3a MT |
440 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
441 | rinfo); | |
442 | ||
443 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
444 | ||
9012b28a | 445 | /* lbs_deb_usbd(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); */ |
876c9d3a MT |
446 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
447 | /* handle failure conditions */ | |
9012b28a | 448 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed\n"); |
77d8cf2c DW |
449 | kfree_skb(skb); |
450 | rinfo->skb = NULL; | |
876c9d3a MT |
451 | ret = -1; |
452 | } else { | |
9012b28a | 453 | /* lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB success\n"); */ |
876c9d3a MT |
454 | ret = 0; |
455 | } | |
456 | ||
457 | rx_ret: | |
458 | return ret; | |
459 | } | |
460 | ||
954ee164 | 461 | static int if_usb_submit_rx_urb_fwload(struct usb_card_rec *cardp) |
876c9d3a | 462 | { |
954ee164 | 463 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
464 | } |
465 | ||
954ee164 | 466 | static int if_usb_submit_rx_urb(struct usb_card_rec *cardp) |
876c9d3a | 467 | { |
954ee164 | 468 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
469 | } |
470 | ||
471 | static void if_usb_receive_fwload(struct urb *urb) | |
472 | { | |
473 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
876c9d3a | 474 | struct sk_buff *skb = rinfo->skb; |
954ee164 | 475 | struct usb_card_rec *cardp = (struct usb_card_rec *)rinfo->cardp; |
876c9d3a MT |
476 | struct fwsyncheader *syncfwheader; |
477 | struct bootcmdrespStr bootcmdresp; | |
478 | ||
479 | if (urb->status) { | |
9012b28a | 480 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
481 | "URB status is failed during fw load\n"); |
482 | kfree_skb(skb); | |
483 | return; | |
484 | } | |
485 | ||
486 | if (cardp->bootcmdresp == 0) { | |
487 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, | |
488 | sizeof(bootcmdresp)); | |
981f187b | 489 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 490 | kfree_skb(skb); |
954ee164 | 491 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a | 492 | cardp->bootcmdresp = 1; |
9012b28a | 493 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
494 | "Received valid boot command response\n"); |
495 | return; | |
496 | } | |
981f187b | 497 | if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
876c9d3a MT |
498 | lbs_pr_info( |
499 | "boot cmd response wrong magic number (0x%x)\n", | |
981f187b | 500 | le32_to_cpu(bootcmdresp.u32magicnumber)); |
876c9d3a MT |
501 | } else if (bootcmdresp.u8cmd_tag != BOOT_CMD_FW_BY_USB) { |
502 | lbs_pr_info( | |
503 | "boot cmd response cmd_tag error (%d)\n", | |
504 | bootcmdresp.u8cmd_tag); | |
505 | } else if (bootcmdresp.u8result != BOOT_CMD_RESP_OK) { | |
506 | lbs_pr_info( | |
507 | "boot cmd response result error (%d)\n", | |
508 | bootcmdresp.u8result); | |
509 | } else { | |
510 | cardp->bootcmdresp = 1; | |
9012b28a | 511 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
512 | "Received valid boot command response\n"); |
513 | } | |
514 | kfree_skb(skb); | |
954ee164 | 515 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
516 | return; |
517 | } | |
518 | ||
519 | syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC); | |
520 | if (!syncfwheader) { | |
9012b28a | 521 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
522 | kfree_skb(skb); |
523 | return; | |
524 | } | |
525 | ||
526 | memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET, | |
527 | sizeof(struct fwsyncheader)); | |
528 | ||
529 | if (!syncfwheader->cmd) { | |
9012b28a HS |
530 | /* |
531 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 532 | "FW received Blk with correct CRC\n"); |
9012b28a | 533 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
534 | "FW received Blk seqnum = %d\n", |
535 | syncfwheader->seqnum); | |
9012b28a | 536 | */ |
876c9d3a MT |
537 | cardp->CRC_OK = 1; |
538 | } else { | |
9012b28a | 539 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
540 | "FW received Blk with CRC error\n"); |
541 | cardp->CRC_OK = 0; | |
542 | } | |
543 | ||
544 | kfree_skb(skb); | |
545 | ||
546 | if (cardp->fwfinalblk) { | |
547 | cardp->fwdnldover = 1; | |
548 | goto exit; | |
549 | } | |
550 | ||
954ee164 | 551 | if_prog_firmware(cardp); |
876c9d3a | 552 | |
954ee164 | 553 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
554 | exit: |
555 | kfree(syncfwheader); | |
556 | ||
557 | return; | |
558 | ||
559 | } | |
560 | ||
561 | #define MRVDRV_MIN_PKT_LEN 30 | |
562 | ||
563 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
564 | struct usb_card_rec *cardp, | |
69f9032d | 565 | struct lbs_private *priv) |
876c9d3a MT |
566 | { |
567 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + | |
568 | MESSAGE_HEADER_LEN || recvlength < MRVDRV_MIN_PKT_LEN) { | |
9012b28a | 569 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
570 | "Packet length is Invalid\n"); |
571 | kfree_skb(skb); | |
572 | return; | |
573 | } | |
574 | ||
575 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
576 | skb_put(skb, recvlength); | |
577 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
10078321 | 578 | lbs_process_rxed_packet(priv, skb); |
634b8f49 | 579 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a MT |
580 | } |
581 | ||
582 | static inline void process_cmdrequest(int recvlength, u8 *recvbuff, | |
583 | struct sk_buff *skb, | |
584 | struct usb_card_rec *cardp, | |
69f9032d | 585 | struct lbs_private *priv) |
876c9d3a MT |
586 | { |
587 | u8 *cmdbuf; | |
588 | if (recvlength > MRVDRV_SIZE_OF_CMD_BUFFER) { | |
9012b28a | 589 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
590 | "The receive buffer is too large\n"); |
591 | kfree_skb(skb); | |
592 | return; | |
593 | } | |
594 | ||
595 | if (!in_interrupt()) | |
596 | BUG(); | |
597 | ||
598 | spin_lock(&priv->adapter->driver_lock); | |
599 | /* take care of cur_cmd = NULL case by reading the | |
600 | * data to clear the interrupt */ | |
601 | if (!priv->adapter->cur_cmd) { | |
634b8f49 | 602 | cmdbuf = priv->upld_buf; |
c95c7f93 | 603 | priv->adapter->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
876c9d3a MT |
604 | } else |
605 | cmdbuf = priv->adapter->cur_cmd->bufvirtualaddr; | |
606 | ||
c95c7f93 | 607 | cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY; |
634b8f49 | 608 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a | 609 | memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN, |
634b8f49 | 610 | priv->upld_len); |
876c9d3a MT |
611 | |
612 | kfree_skb(skb); | |
10078321 | 613 | lbs_interrupt(priv->dev); |
876c9d3a MT |
614 | spin_unlock(&priv->adapter->driver_lock); |
615 | ||
9012b28a | 616 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
617 | "Wake up main thread to handle cmd response\n"); |
618 | ||
619 | return; | |
620 | } | |
621 | ||
622 | /** | |
623 | * @brief This function reads of the packet into the upload buff, | |
624 | * wake up the main thread and initialise the Rx callack. | |
625 | * | |
626 | * @param urb pointer to struct urb | |
627 | * @return N/A | |
628 | */ | |
629 | static void if_usb_receive(struct urb *urb) | |
630 | { | |
631 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
876c9d3a | 632 | struct sk_buff *skb = rinfo->skb; |
954ee164 | 633 | struct usb_card_rec *cardp = (struct usb_card_rec *) rinfo->cardp; |
69f9032d | 634 | struct lbs_private *priv = cardp->priv; |
876c9d3a MT |
635 | |
636 | int recvlength = urb->actual_length; | |
637 | u8 *recvbuff = NULL; | |
8362cd41 | 638 | u32 recvtype = 0; |
876c9d3a | 639 | |
9012b28a | 640 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
641 | |
642 | if (recvlength) { | |
8362cd41 DW |
643 | __le32 tmp; |
644 | ||
876c9d3a | 645 | if (urb->status) { |
9012b28a | 646 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
647 | "URB status is failed\n"); |
648 | kfree_skb(skb); | |
649 | goto setup_for_next; | |
650 | } | |
651 | ||
652 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
8362cd41 DW |
653 | memcpy(&tmp, recvbuff, sizeof(u32)); |
654 | recvtype = le32_to_cpu(tmp); | |
9012b28a | 655 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
656 | "Recv length = 0x%x, Recv type = 0x%X\n", |
657 | recvlength, recvtype); | |
77d8cf2c DW |
658 | } else if (urb->status) { |
659 | kfree_skb(skb); | |
876c9d3a | 660 | goto rx_exit; |
77d8cf2c | 661 | } |
876c9d3a | 662 | |
876c9d3a MT |
663 | switch (recvtype) { |
664 | case CMD_TYPE_DATA: | |
665 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
666 | break; | |
667 | ||
668 | case CMD_TYPE_REQUEST: | |
669 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
670 | break; | |
671 | ||
672 | case CMD_TYPE_INDICATION: | |
673 | /* Event cause handling */ | |
674 | spin_lock(&priv->adapter->driver_lock); | |
981f187b | 675 | cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN)); |
9012b28a | 676 | lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n", |
876c9d3a MT |
677 | cardp->usb_event_cause); |
678 | if (cardp->usb_event_cause & 0xffff0000) { | |
10078321 | 679 | lbs_send_tx_feedback(priv); |
12a4d265 | 680 | spin_unlock(&priv->adapter->driver_lock); |
876c9d3a MT |
681 | break; |
682 | } | |
981f187b | 683 | cardp->usb_event_cause <<= 3; |
c95c7f93 | 684 | cardp->usb_int_cause |= MRVDRV_CARDEVENT; |
876c9d3a | 685 | kfree_skb(skb); |
10078321 | 686 | lbs_interrupt(priv->dev); |
876c9d3a MT |
687 | spin_unlock(&priv->adapter->driver_lock); |
688 | goto rx_exit; | |
689 | default: | |
8362cd41 DW |
690 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
691 | recvtype); | |
876c9d3a MT |
692 | kfree_skb(skb); |
693 | break; | |
694 | } | |
695 | ||
696 | setup_for_next: | |
954ee164 | 697 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 698 | rx_exit: |
9012b28a | 699 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
700 | } |
701 | ||
702 | /** | |
703 | * @brief This function downloads data to FW | |
69f9032d | 704 | * @param priv pointer to struct lbs_private structure |
876c9d3a MT |
705 | * @param type type of data |
706 | * @param buf pointer to data buffer | |
707 | * @param len number of bytes | |
708 | * @return 0 or -1 | |
709 | */ | |
69f9032d HS |
710 | static int if_usb_host_to_card(struct lbs_private *priv, |
711 | u8 type, | |
712 | u8 *payload, | |
713 | u16 nb) | |
876c9d3a | 714 | { |
634b8f49 | 715 | struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card; |
876c9d3a | 716 | |
9012b28a HS |
717 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
718 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
719 | |
720 | if (type == MVMS_CMD) { | |
8362cd41 | 721 | __le32 tmp = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 722 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a MT |
723 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
724 | MESSAGE_HEADER_LEN); | |
725 | ||
726 | } else { | |
8362cd41 | 727 | __le32 tmp = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 728 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
729 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
730 | MESSAGE_HEADER_LEN); | |
731 | } | |
732 | ||
733 | memcpy((cardp->bulk_out_buffer + MESSAGE_HEADER_LEN), payload, nb); | |
734 | ||
954ee164 | 735 | return usb_tx_block(cardp, cardp->bulk_out_buffer, |
8362cd41 | 736 | nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
737 | } |
738 | ||
739 | /* called with adapter->driver_lock held */ | |
69f9032d | 740 | static int if_usb_get_int_status(struct lbs_private *priv, u8 *ireg) |
876c9d3a | 741 | { |
634b8f49 | 742 | struct usb_card_rec *cardp = priv->card; |
876c9d3a MT |
743 | |
744 | *ireg = cardp->usb_int_cause; | |
745 | cardp->usb_int_cause = 0; | |
746 | ||
9012b28a | 747 | lbs_deb_usbd(&cardp->udev->dev,"Int cause is 0x%X\n", *ireg); |
876c9d3a MT |
748 | |
749 | return 0; | |
750 | } | |
751 | ||
69f9032d | 752 | static int if_usb_read_event_cause(struct lbs_private *priv) |
876c9d3a | 753 | { |
634b8f49 | 754 | struct usb_card_rec *cardp = priv->card; |
954ee164 | 755 | |
876c9d3a MT |
756 | priv->adapter->eventcause = cardp->usb_event_cause; |
757 | /* Re-submit rx urb here to avoid event lost issue */ | |
954ee164 | 758 | if_usb_submit_rx_urb(cardp); |
876c9d3a MT |
759 | return 0; |
760 | } | |
761 | ||
9e22cb67 DW |
762 | /** |
763 | * @brief This function issues Boot command to the Boot2 code | |
764 | * @param ivalue 1:Boot from FW by USB-Download | |
765 | * 2:Boot from FW in EEPROM | |
766 | * @return 0 | |
767 | */ | |
954ee164 | 768 | static int if_usb_issue_boot_command(struct usb_card_rec *cardp, int ivalue) |
9e22cb67 | 769 | { |
954ee164 | 770 | struct bootcmdstr sbootcmd; |
9e22cb67 DW |
771 | int i; |
772 | ||
773 | /* Prepare command */ | |
774 | sbootcmd.u32magicnumber = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); | |
775 | sbootcmd.u8cmd_tag = ivalue; | |
776 | for (i=0; i<11; i++) | |
777 | sbootcmd.au8dumy[i]=0x00; | |
778 | memcpy(cardp->bulk_out_buffer, &sbootcmd, sizeof(struct bootcmdstr)); | |
779 | ||
780 | /* Issue command */ | |
954ee164 | 781 | usb_tx_block(cardp, cardp->bulk_out_buffer, sizeof(struct bootcmdstr)); |
9e22cb67 DW |
782 | |
783 | return 0; | |
784 | } | |
876c9d3a MT |
785 | |
786 | ||
954ee164 DW |
787 | /** |
788 | * @brief This function checks the validity of Boot2/FW image. | |
789 | * | |
790 | * @param data pointer to image | |
791 | * len image length | |
792 | * @return 0 or -1 | |
793 | */ | |
794 | static int check_fwfile_format(u8 *data, u32 totlen) | |
795 | { | |
796 | u32 bincmd, exit; | |
797 | u32 blksize, offset, len; | |
798 | int ret; | |
799 | ||
800 | ret = 1; | |
801 | exit = len = 0; | |
802 | ||
803 | do { | |
804 | struct fwheader *fwh = (void *)data; | |
805 | ||
806 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
807 | blksize = le32_to_cpu(fwh->datalength); | |
808 | switch (bincmd) { | |
809 | case FW_HAS_DATA_TO_RECV: | |
810 | offset = sizeof(struct fwheader) + blksize; | |
811 | data += offset; | |
812 | len += offset; | |
813 | if (len >= totlen) | |
814 | exit = 1; | |
815 | break; | |
816 | case FW_HAS_LAST_BLOCK: | |
817 | exit = 1; | |
818 | ret = 0; | |
819 | break; | |
820 | default: | |
821 | exit = 1; | |
822 | break; | |
823 | } | |
824 | } while (!exit); | |
825 | ||
826 | if (ret) | |
827 | lbs_pr_err("firmware file format check FAIL\n"); | |
828 | else | |
829 | lbs_deb_fw("firmware file format check PASS\n"); | |
830 | ||
831 | return ret; | |
832 | } | |
833 | ||
834 | ||
835 | static int if_usb_prog_firmware(struct usb_card_rec *cardp) | |
876c9d3a | 836 | { |
876c9d3a MT |
837 | int i = 0; |
838 | static int reset_count = 10; | |
9012b28a | 839 | int ret = 0; |
876c9d3a | 840 | |
9012b28a | 841 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 842 | |
10078321 | 843 | if ((ret = request_firmware(&cardp->fw, lbs_fw_name, |
954ee164 DW |
844 | &cardp->udev->dev)) < 0) { |
845 | lbs_pr_err("request_firmware() failed with %#x\n", ret); | |
10078321 | 846 | lbs_pr_err("firmware %s not found\n", lbs_fw_name); |
954ee164 DW |
847 | goto done; |
848 | } | |
849 | ||
850 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) | |
851 | goto release_fw; | |
876c9d3a MT |
852 | |
853 | restart: | |
954ee164 | 854 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a HS |
855 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
856 | ret = -1; | |
954ee164 | 857 | goto release_fw; |
876c9d3a MT |
858 | } |
859 | ||
876c9d3a MT |
860 | cardp->bootcmdresp = 0; |
861 | do { | |
862 | int j = 0; | |
863 | i++; | |
864 | /* Issue Boot command = 1, Boot from Download-FW */ | |
954ee164 | 865 | if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB); |
876c9d3a MT |
866 | /* wait for command response */ |
867 | do { | |
868 | j++; | |
869 | msleep_interruptible(100); | |
870 | } while (cardp->bootcmdresp == 0 && j < 10); | |
871 | } while (cardp->bootcmdresp == 0 && i < 5); | |
872 | ||
873 | if (cardp->bootcmdresp == 0) { | |
874 | if (--reset_count >= 0) { | |
954ee164 | 875 | if_usb_reset_device(cardp); |
876c9d3a MT |
876 | goto restart; |
877 | } | |
878 | return -1; | |
879 | } | |
876c9d3a MT |
880 | |
881 | i = 0; | |
876c9d3a MT |
882 | |
883 | cardp->totalbytes = 0; | |
884 | cardp->fwlastblksent = 0; | |
885 | cardp->CRC_OK = 1; | |
886 | cardp->fwdnldover = 0; | |
887 | cardp->fwseqnum = -1; | |
888 | cardp->totalbytes = 0; | |
889 | cardp->fwfinalblk = 0; | |
890 | ||
954ee164 | 891 | if_prog_firmware(cardp); |
876c9d3a MT |
892 | |
893 | do { | |
9012b28a | 894 | lbs_deb_usbd(&cardp->udev->dev,"Wlan sched timeout\n"); |
876c9d3a MT |
895 | i++; |
896 | msleep_interruptible(100); | |
954ee164 | 897 | if (cardp->surprise_removed || i >= 20) |
876c9d3a MT |
898 | break; |
899 | } while (!cardp->fwdnldover); | |
900 | ||
901 | if (!cardp->fwdnldover) { | |
902 | lbs_pr_info("failed to load fw, resetting device!\n"); | |
903 | if (--reset_count >= 0) { | |
954ee164 | 904 | if_usb_reset_device(cardp); |
876c9d3a MT |
905 | goto restart; |
906 | } | |
907 | ||
908 | lbs_pr_info("FW download failure, time = %d ms\n", i * 100); | |
9012b28a | 909 | ret = -1; |
954ee164 | 910 | goto release_fw; |
876c9d3a MT |
911 | } |
912 | ||
954ee164 DW |
913 | release_fw: |
914 | release_firmware(cardp->fw); | |
915 | cardp->fw = NULL; | |
876c9d3a | 916 | |
9012b28a HS |
917 | done: |
918 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
919 | return ret; | |
876c9d3a MT |
920 | } |
921 | ||
1df4e8fe | 922 | |
876c9d3a MT |
923 | #ifdef CONFIG_PM |
924 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
925 | { | |
926 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 927 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 928 | |
9012b28a | 929 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
930 | |
931 | if (priv->adapter->psstate != PS_STATE_FULL_POWER) | |
932 | return -1; | |
933 | ||
d21b31fd LCC |
934 | if (priv->mesh_dev && !priv->mesh_autostart_enabled) { |
935 | /* Mesh autostart must be activated while sleeping | |
936 | * On resume it will go back to the current state | |
937 | */ | |
938 | struct cmd_ds_mesh_access mesh_access; | |
939 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
940 | mesh_access.data[0] = cpu_to_le32(1); | |
10078321 | 941 | lbs_prepare_and_send_command(priv, |
d21b31fd LCC |
942 | CMD_MESH_ACCESS, |
943 | CMD_ACT_MESH_SET_AUTOSTART_ENABLED, | |
944 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
945 | } | |
946 | ||
876c9d3a | 947 | netif_device_detach(cardp->eth_dev); |
51d84f50 | 948 | netif_device_detach(priv->mesh_dev); |
876c9d3a MT |
949 | |
950 | /* Unlink tx & rx urb */ | |
951 | usb_kill_urb(cardp->tx_urb); | |
952 | usb_kill_urb(cardp->rx_urb); | |
953 | ||
954 | cardp->rx_urb_recall = 1; | |
955 | ||
9012b28a | 956 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
957 | return 0; |
958 | } | |
959 | ||
960 | static int if_usb_resume(struct usb_interface *intf) | |
961 | { | |
962 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 963 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 964 | |
9012b28a | 965 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
966 | |
967 | cardp->rx_urb_recall = 0; | |
968 | ||
969 | if_usb_submit_rx_urb(cardp->priv); | |
970 | ||
971 | netif_device_attach(cardp->eth_dev); | |
51d84f50 | 972 | netif_device_attach(priv->mesh_dev); |
876c9d3a | 973 | |
d21b31fd LCC |
974 | if (priv->mesh_dev && !priv->mesh_autostart_enabled) { |
975 | /* Mesh autostart was activated while sleeping | |
976 | * Disable it if appropriate | |
977 | */ | |
978 | struct cmd_ds_mesh_access mesh_access; | |
979 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
980 | mesh_access.data[0] = cpu_to_le32(0); | |
10078321 | 981 | lbs_prepare_and_send_command(priv, |
d21b31fd LCC |
982 | CMD_MESH_ACCESS, |
983 | CMD_ACT_MESH_SET_AUTOSTART_ENABLED, | |
984 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
985 | } | |
986 | ||
9012b28a | 987 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
988 | return 0; |
989 | } | |
990 | #else | |
991 | #define if_usb_suspend NULL | |
992 | #define if_usb_resume NULL | |
993 | #endif | |
994 | ||
995 | static struct usb_driver if_usb_driver = { | |
798fbfec | 996 | .name = DRV_NAME, |
876c9d3a | 997 | .probe = if_usb_probe, |
876c9d3a | 998 | .disconnect = if_usb_disconnect, |
876c9d3a MT |
999 | .id_table = if_usb_table, |
1000 | .suspend = if_usb_suspend, | |
1001 | .resume = if_usb_resume, | |
1002 | }; | |
1003 | ||
4fb910fd | 1004 | static int __init if_usb_init_module(void) |
876c9d3a | 1005 | { |
084708b6 | 1006 | int ret = 0; |
876c9d3a | 1007 | |
084708b6 HS |
1008 | lbs_deb_enter(LBS_DEB_MAIN); |
1009 | ||
084708b6 HS |
1010 | ret = usb_register(&if_usb_driver); |
1011 | ||
1012 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1013 | return ret; | |
876c9d3a MT |
1014 | } |
1015 | ||
4fb910fd | 1016 | static void __exit if_usb_exit_module(void) |
876c9d3a | 1017 | { |
084708b6 HS |
1018 | lbs_deb_enter(LBS_DEB_MAIN); |
1019 | ||
876c9d3a | 1020 | usb_deregister(&if_usb_driver); |
084708b6 HS |
1021 | |
1022 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 1023 | } |
084708b6 HS |
1024 | |
1025 | module_init(if_usb_init_module); | |
1026 | module_exit(if_usb_exit_module); | |
1027 | ||
1028 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
1029 | MODULE_AUTHOR("Marvell International Ltd."); | |
1030 | MODULE_LICENSE("GPL"); |