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Commit | Line | Data |
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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> | |
435a1acb | 8 | #include <linux/list.h> |
876c9d3a MT |
9 | #include <linux/usb.h> |
10 | ||
ec3eef28 HS |
11 | #define DRV_NAME "usb8xxx" |
12 | ||
876c9d3a | 13 | #include "host.h" |
876c9d3a MT |
14 | #include "decl.h" |
15 | #include "defs.h" | |
16 | #include "dev.h" | |
17 | #include "if_usb.h" | |
18 | ||
19 | #define MESSAGE_HEADER_LEN 4 | |
20 | ||
21 | static const char usbdriver_name[] = "usb8xxx"; | |
084708b6 | 22 | |
82209adc | 23 | static char *lbs_fw_name = "usb8388.bin"; |
10078321 | 24 | module_param_named(fw_name, lbs_fw_name, charp, 0644); |
084708b6 | 25 | |
435a1acb HS |
26 | /* |
27 | * We need to send a RESET command to all USB devices before | |
28 | * we tear down the USB connection. Otherwise we would not | |
29 | * be able to re-init device the device if the module gets | |
30 | * loaded again. This is a list of all initialized USB devices, | |
31 | * for the reset code see if_usb_reset_device() | |
32 | */ | |
33 | static LIST_HEAD(usb_devices); | |
3874d0fe | 34 | |
876c9d3a MT |
35 | static struct usb_device_id if_usb_table[] = { |
36 | /* Enter the device signature inside */ | |
66fcc559 HS |
37 | { USB_DEVICE(0x1286, 0x2001) }, |
38 | { USB_DEVICE(0x05a3, 0x8388) }, | |
876c9d3a MT |
39 | {} /* Terminating entry */ |
40 | }; | |
41 | ||
42 | MODULE_DEVICE_TABLE(usb, if_usb_table); | |
43 | ||
44 | static void if_usb_receive(struct urb *urb); | |
45 | static void if_usb_receive_fwload(struct urb *urb); | |
954ee164 | 46 | static int if_usb_prog_firmware(struct usb_card_rec *cardp); |
10078321 HS |
47 | static int if_usb_host_to_card(lbs_private *priv, u8 type, u8 *payload, u16 nb); |
48 | static int if_usb_get_int_status(lbs_private *priv, u8 *); | |
49 | static int if_usb_read_event_cause(lbs_private *); | |
954ee164 | 50 | static int usb_tx_block(struct usb_card_rec *cardp, u8 *payload, u16 nb); |
ac558ca2 | 51 | static void if_usb_free(struct usb_card_rec *cardp); |
954ee164 DW |
52 | static int if_usb_submit_rx_urb(struct usb_card_rec *cardp); |
53 | static int if_usb_reset_device(struct usb_card_rec *cardp); | |
876c9d3a MT |
54 | |
55 | /** | |
56 | * @brief call back function to handle the status of the URB | |
57 | * @param urb pointer to urb structure | |
58 | * @return N/A | |
59 | */ | |
60 | static void if_usb_write_bulk_callback(struct urb *urb) | |
61 | { | |
954ee164 | 62 | struct usb_card_rec *cardp = (struct usb_card_rec *) urb->context; |
876c9d3a MT |
63 | |
64 | /* handle the transmission complete validations */ | |
65 | ||
954ee164 | 66 | if (urb->status == 0) { |
10078321 | 67 | lbs_private *priv = cardp->priv; |
954ee164 | 68 | |
9012b28a HS |
69 | /* |
70 | lbs_deb_usbd(&urb->dev->dev, "URB status is successfull\n"); | |
71 | lbs_deb_usbd(&urb->dev->dev, "Actual length transmitted %d\n", | |
876c9d3a | 72 | urb->actual_length); |
9012b28a | 73 | */ |
954ee164 DW |
74 | |
75 | /* Used for both firmware TX and regular TX. priv isn't | |
76 | * valid at firmware load time. | |
77 | */ | |
78 | if (priv) { | |
10078321 | 79 | lbs_adapter *adapter = priv->adapter; |
954ee164 DW |
80 | struct net_device *dev = priv->dev; |
81 | ||
82 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
83 | ||
84 | /* Wake main thread if commands are pending */ | |
85 | if (!adapter->cur_cmd) | |
86 | wake_up_interruptible(&priv->waitq); | |
87 | ||
10078321 | 88 | if ((adapter->connect_status == LBS_CONNECTED)) { |
954ee164 DW |
89 | netif_wake_queue(dev); |
90 | netif_wake_queue(priv->mesh_dev); | |
91 | } | |
51d84f50 | 92 | } |
954ee164 DW |
93 | } else { |
94 | /* print the failure status number for debug */ | |
95 | lbs_pr_info("URB in failure status: %d\n", urb->status); | |
876c9d3a MT |
96 | } |
97 | ||
98 | return; | |
99 | } | |
100 | ||
101 | /** | |
102 | * @brief free tx/rx urb, skb and rx buffer | |
103 | * @param cardp pointer usb_card_rec | |
104 | * @return N/A | |
105 | */ | |
ac558ca2 | 106 | static void if_usb_free(struct usb_card_rec *cardp) |
876c9d3a | 107 | { |
9012b28a | 108 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
109 | |
110 | /* Unlink tx & rx urb */ | |
111 | usb_kill_urb(cardp->tx_urb); | |
112 | usb_kill_urb(cardp->rx_urb); | |
113 | ||
114 | usb_free_urb(cardp->tx_urb); | |
115 | cardp->tx_urb = NULL; | |
116 | ||
117 | usb_free_urb(cardp->rx_urb); | |
118 | cardp->rx_urb = NULL; | |
119 | ||
120 | kfree(cardp->bulk_out_buffer); | |
121 | cardp->bulk_out_buffer = NULL; | |
122 | ||
9012b28a | 123 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
124 | } |
125 | ||
126 | /** | |
127 | * @brief sets the configuration values | |
128 | * @param ifnum interface number | |
129 | * @param id pointer to usb_device_id | |
130 | * @return 0 on success, error code on failure | |
131 | */ | |
132 | static int if_usb_probe(struct usb_interface *intf, | |
133 | const struct usb_device_id *id) | |
134 | { | |
135 | struct usb_device *udev; | |
136 | struct usb_host_interface *iface_desc; | |
137 | struct usb_endpoint_descriptor *endpoint; | |
10078321 | 138 | lbs_private *priv; |
435a1acb | 139 | struct usb_card_rec *cardp; |
876c9d3a MT |
140 | int i; |
141 | ||
142 | udev = interface_to_usbdev(intf); | |
143 | ||
435a1acb HS |
144 | cardp = kzalloc(sizeof(struct usb_card_rec), GFP_KERNEL); |
145 | if (!cardp) { | |
876c9d3a MT |
146 | lbs_pr_err("Out of memory allocating private data.\n"); |
147 | goto error; | |
148 | } | |
149 | ||
435a1acb | 150 | cardp->udev = udev; |
876c9d3a MT |
151 | iface_desc = intf->cur_altsetting; |
152 | ||
9012b28a | 153 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
876c9d3a | 154 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
981f187b DW |
155 | le16_to_cpu(udev->descriptor.bcdUSB), |
156 | udev->descriptor.bDeviceClass, | |
157 | udev->descriptor.bDeviceSubClass, | |
158 | udev->descriptor.bDeviceProtocol); | |
876c9d3a MT |
159 | |
160 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
161 | endpoint = &iface_desc->endpoint[i].desc; | |
162 | if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
163 | && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
164 | USB_ENDPOINT_XFER_BULK)) { | |
165 | /* we found a bulk in endpoint */ | |
9012b28a | 166 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", |
981f187b DW |
167 | le16_to_cpu(endpoint->wMaxPacketSize)); |
168 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
9012b28a | 169 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
170 | "Rx URB allocation failed\n"); |
171 | goto dealloc; | |
172 | } | |
435a1acb | 173 | cardp->rx_urb_recall = 0; |
876c9d3a | 174 | |
435a1acb | 175 | cardp->bulk_in_size = |
981f187b | 176 | le16_to_cpu(endpoint->wMaxPacketSize); |
435a1acb | 177 | cardp->bulk_in_endpointAddr = |
876c9d3a MT |
178 | (endpoint-> |
179 | bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); | |
9012b28a | 180 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", |
876c9d3a MT |
181 | endpoint->bEndpointAddress); |
182 | } | |
183 | ||
184 | if (((endpoint-> | |
185 | bEndpointAddress & USB_ENDPOINT_DIR_MASK) == | |
186 | USB_DIR_OUT) | |
187 | && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
188 | USB_ENDPOINT_XFER_BULK)) { | |
189 | /* We found bulk out endpoint */ | |
981f187b | 190 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { |
9012b28a | 191 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
192 | "Tx URB allocation failed\n"); |
193 | goto dealloc; | |
194 | } | |
195 | ||
435a1acb | 196 | cardp->bulk_out_size = |
981f187b | 197 | le16_to_cpu(endpoint->wMaxPacketSize); |
9012b28a | 198 | lbs_deb_usbd(&udev->dev, |
981f187b DW |
199 | "Bulk out size is %d\n", |
200 | le16_to_cpu(endpoint->wMaxPacketSize)); | |
435a1acb | 201 | cardp->bulk_out_endpointAddr = |
876c9d3a | 202 | endpoint->bEndpointAddress; |
9012b28a | 203 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", |
876c9d3a | 204 | endpoint->bEndpointAddress); |
435a1acb | 205 | cardp->bulk_out_buffer = |
876c9d3a MT |
206 | kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, |
207 | GFP_KERNEL); | |
208 | ||
435a1acb | 209 | if (!cardp->bulk_out_buffer) { |
9012b28a | 210 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
211 | "Could not allocate buffer\n"); |
212 | goto dealloc; | |
213 | } | |
214 | } | |
215 | } | |
216 | ||
954ee164 DW |
217 | /* Upload firmware */ |
218 | cardp->rinfo.cardp = cardp; | |
219 | if (if_usb_prog_firmware(cardp)) { | |
220 | lbs_deb_usbd(&udev->dev, "FW upload failed"); | |
221 | goto err_prog_firmware; | |
222 | } | |
223 | ||
10078321 | 224 | if (!(priv = lbs_add_card(cardp, &udev->dev))) |
954ee164 | 225 | goto err_prog_firmware; |
3874d0fe | 226 | |
954ee164 | 227 | cardp->priv = priv; |
965f8bbc | 228 | |
10078321 | 229 | if (lbs_add_mesh(priv, &udev->dev)) |
6a812157 | 230 | goto err_add_mesh; |
51d84f50 | 231 | |
954ee164 DW |
232 | cardp->eth_dev = priv->dev; |
233 | ||
208fdd2f HS |
234 | priv->hw_host_to_card = if_usb_host_to_card; |
235 | priv->hw_get_int_status = if_usb_get_int_status; | |
236 | priv->hw_read_event_cause = if_usb_read_event_cause; | |
63f0023b | 237 | priv->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 238 | |
954ee164 DW |
239 | /* Delay 200 ms to waiting for the FW ready */ |
240 | if_usb_submit_rx_urb(cardp); | |
241 | msleep_interruptible(200); | |
242 | priv->adapter->fw_ready = 1; | |
243 | ||
10078321 | 244 | if (lbs_start_card(priv)) |
954ee164 | 245 | goto err_start_card; |
32a74b7c | 246 | |
435a1acb | 247 | list_add_tail(&cardp->list, &usb_devices); |
3874d0fe | 248 | |
876c9d3a | 249 | usb_get_dev(udev); |
435a1acb | 250 | usb_set_intfdata(intf, cardp); |
876c9d3a | 251 | |
876c9d3a MT |
252 | return 0; |
253 | ||
954ee164 | 254 | err_start_card: |
10078321 | 255 | lbs_remove_mesh(priv); |
6a812157 | 256 | err_add_mesh: |
10078321 | 257 | lbs_remove_card(priv); |
954ee164 DW |
258 | err_prog_firmware: |
259 | if_usb_reset_device(cardp); | |
876c9d3a | 260 | dealloc: |
435a1acb | 261 | if_usb_free(cardp); |
876c9d3a MT |
262 | |
263 | error: | |
264 | return -ENOMEM; | |
265 | } | |
266 | ||
267 | /** | |
268 | * @brief free resource and cleanup | |
435a1acb | 269 | * @param intf USB interface structure |
876c9d3a MT |
270 | * @return N/A |
271 | */ | |
272 | static void if_usb_disconnect(struct usb_interface *intf) | |
273 | { | |
274 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
10078321 | 275 | lbs_private *priv = (lbs_private *) cardp->priv; |
876c9d3a | 276 | |
954ee164 | 277 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 278 | |
954ee164 DW |
279 | /* Update Surprise removed to TRUE */ |
280 | cardp->surprise_removed = 1; | |
876c9d3a | 281 | |
435a1acb | 282 | list_del(&cardp->list); |
3874d0fe | 283 | |
954ee164 | 284 | if (priv) { |
10078321 | 285 | lbs_adapter *adapter = priv->adapter; |
954ee164 DW |
286 | |
287 | adapter->surpriseremoved = 1; | |
10078321 HS |
288 | lbs_stop_card(priv); |
289 | lbs_remove_mesh(priv); | |
290 | lbs_remove_card(priv); | |
954ee164 | 291 | } |
876c9d3a MT |
292 | |
293 | /* Unlink and free urb */ | |
294 | if_usb_free(cardp); | |
295 | ||
296 | usb_set_intfdata(intf, NULL); | |
297 | usb_put_dev(interface_to_usbdev(intf)); | |
298 | ||
954ee164 | 299 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
300 | } |
301 | ||
302 | /** | |
303 | * @brief This function download FW | |
10078321 | 304 | * @param priv pointer to lbs_private |
876c9d3a MT |
305 | * @return 0 |
306 | */ | |
954ee164 | 307 | static int if_prog_firmware(struct usb_card_rec *cardp) |
876c9d3a | 308 | { |
876c9d3a MT |
309 | struct FWData *fwdata; |
310 | struct fwheader *fwheader; | |
954ee164 | 311 | u8 *firmware = cardp->fw->data; |
876c9d3a MT |
312 | |
313 | fwdata = kmalloc(sizeof(struct FWData), GFP_ATOMIC); | |
314 | ||
315 | if (!fwdata) | |
316 | return -1; | |
317 | ||
318 | fwheader = &fwdata->fwheader; | |
319 | ||
320 | if (!cardp->CRC_OK) { | |
321 | cardp->totalbytes = cardp->fwlastblksent; | |
322 | cardp->fwseqnum = cardp->lastseqnum - 1; | |
323 | } | |
324 | ||
9012b28a HS |
325 | /* |
326 | lbs_deb_usbd(&cardp->udev->dev, "totalbytes = %d\n", | |
876c9d3a | 327 | cardp->totalbytes); |
9012b28a | 328 | */ |
876c9d3a MT |
329 | |
330 | memcpy(fwheader, &firmware[cardp->totalbytes], | |
331 | sizeof(struct fwheader)); | |
332 | ||
333 | cardp->fwlastblksent = cardp->totalbytes; | |
334 | cardp->totalbytes += sizeof(struct fwheader); | |
335 | ||
9012b28a | 336 | /* lbs_deb_usbd(&cardp->udev->dev,"Copy Data\n"); */ |
876c9d3a | 337 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
981f187b | 338 | le32_to_cpu(fwdata->fwheader.datalength)); |
876c9d3a | 339 | |
9012b28a HS |
340 | /* |
341 | lbs_deb_usbd(&cardp->udev->dev, | |
bb793e2b | 342 | "Data length = %d\n", le32_to_cpu(fwdata->fwheader.datalength)); |
9012b28a | 343 | */ |
876c9d3a MT |
344 | |
345 | cardp->fwseqnum = cardp->fwseqnum + 1; | |
346 | ||
981f187b DW |
347 | fwdata->seqnum = cpu_to_le32(cardp->fwseqnum); |
348 | cardp->lastseqnum = cardp->fwseqnum; | |
349 | cardp->totalbytes += le32_to_cpu(fwdata->fwheader.datalength); | |
876c9d3a | 350 | |
981f187b | 351 | if (fwheader->dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { |
9012b28a | 352 | /* |
981f187b | 353 | lbs_deb_usbd(&cardp->udev->dev, "There are data to follow\n"); |
9012b28a | 354 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
355 | "seqnum = %d totalbytes = %d\n", cardp->fwseqnum, |
356 | cardp->totalbytes); | |
9012b28a | 357 | */ |
876c9d3a | 358 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
954ee164 | 359 | usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); |
876c9d3a | 360 | |
bb793e2b | 361 | } else if (fwdata->fwheader.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { |
9012b28a HS |
362 | /* |
363 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 364 | "Host has finished FW downloading\n"); |
9012b28a | 365 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 366 | "Donwloading FW JUMP BLOCK\n"); |
9012b28a | 367 | */ |
876c9d3a | 368 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
954ee164 | 369 | usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); |
876c9d3a MT |
370 | cardp->fwfinalblk = 1; |
371 | } | |
372 | ||
9012b28a HS |
373 | /* |
374 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a MT |
375 | "The firmware download is done size is %d\n", |
376 | cardp->totalbytes); | |
9012b28a | 377 | */ |
876c9d3a MT |
378 | |
379 | kfree(fwdata); | |
380 | ||
381 | return 0; | |
382 | } | |
383 | ||
954ee164 | 384 | static int if_usb_reset_device(struct usb_card_rec *cardp) |
876c9d3a MT |
385 | { |
386 | int ret; | |
10078321 | 387 | lbs_private * priv = cardp->priv; |
876c9d3a | 388 | |
3874d0fe HS |
389 | lbs_deb_enter(LBS_DEB_USB); |
390 | ||
eedc2a31 DW |
391 | /* Try a USB port reset first, if that fails send the reset |
392 | * command to the firmware. | |
393 | */ | |
876c9d3a | 394 | ret = usb_reset_device(cardp->udev); |
954ee164 | 395 | if (!ret && priv) { |
876c9d3a | 396 | msleep(10); |
10078321 | 397 | ret = lbs_reset_device(priv); |
876c9d3a MT |
398 | msleep(10); |
399 | } | |
3874d0fe HS |
400 | |
401 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
402 | ||
876c9d3a MT |
403 | return ret; |
404 | } | |
405 | ||
406 | /** | |
407 | * @brief This function transfer the data to the device. | |
10078321 | 408 | * @param priv pointer to lbs_private |
876c9d3a MT |
409 | * @param payload pointer to payload data |
410 | * @param nb data length | |
411 | * @return 0 or -1 | |
412 | */ | |
954ee164 | 413 | static int usb_tx_block(struct usb_card_rec *cardp, u8 * payload, u16 nb) |
876c9d3a | 414 | { |
876c9d3a MT |
415 | int ret = -1; |
416 | ||
417 | /* check if device is removed */ | |
954ee164 | 418 | if (cardp->surprise_removed) { |
9012b28a | 419 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
420 | goto tx_ret; |
421 | } | |
422 | ||
423 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
424 | usb_sndbulkpipe(cardp->udev, | |
425 | cardp->bulk_out_endpointAddr), | |
954ee164 | 426 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
427 | |
428 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
429 | ||
430 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
431 | /* transfer failed */ | |
9012b28a | 432 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed\n"); |
876c9d3a MT |
433 | ret = -1; |
434 | } else { | |
9012b28a | 435 | /* lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb success\n"); */ |
876c9d3a MT |
436 | ret = 0; |
437 | } | |
438 | ||
439 | tx_ret: | |
440 | return ret; | |
441 | } | |
442 | ||
954ee164 DW |
443 | static int __if_usb_submit_rx_urb(struct usb_card_rec *cardp, |
444 | void (*callbackfn)(struct urb *urb)) | |
876c9d3a | 445 | { |
876c9d3a MT |
446 | struct sk_buff *skb; |
447 | struct read_cb_info *rinfo = &cardp->rinfo; | |
448 | int ret = -1; | |
449 | ||
450 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
451 | lbs_pr_err("No free skb\n"); | |
452 | goto rx_ret; | |
453 | } | |
454 | ||
455 | rinfo->skb = skb; | |
456 | ||
457 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
458 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
459 | usb_rcvbulkpipe(cardp->udev, | |
460 | cardp->bulk_in_endpointAddr), | |
4269e2ad | 461 | (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), |
876c9d3a MT |
462 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
463 | rinfo); | |
464 | ||
465 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
466 | ||
9012b28a | 467 | /* lbs_deb_usbd(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); */ |
876c9d3a MT |
468 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
469 | /* handle failure conditions */ | |
9012b28a | 470 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed\n"); |
876c9d3a MT |
471 | ret = -1; |
472 | } else { | |
9012b28a | 473 | /* lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB success\n"); */ |
876c9d3a MT |
474 | ret = 0; |
475 | } | |
476 | ||
477 | rx_ret: | |
478 | return ret; | |
479 | } | |
480 | ||
954ee164 | 481 | static int if_usb_submit_rx_urb_fwload(struct usb_card_rec *cardp) |
876c9d3a | 482 | { |
954ee164 | 483 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
484 | } |
485 | ||
954ee164 | 486 | static int if_usb_submit_rx_urb(struct usb_card_rec *cardp) |
876c9d3a | 487 | { |
954ee164 | 488 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
489 | } |
490 | ||
491 | static void if_usb_receive_fwload(struct urb *urb) | |
492 | { | |
493 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
876c9d3a | 494 | struct sk_buff *skb = rinfo->skb; |
954ee164 | 495 | struct usb_card_rec *cardp = (struct usb_card_rec *)rinfo->cardp; |
876c9d3a MT |
496 | struct fwsyncheader *syncfwheader; |
497 | struct bootcmdrespStr bootcmdresp; | |
498 | ||
499 | if (urb->status) { | |
9012b28a | 500 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
501 | "URB status is failed during fw load\n"); |
502 | kfree_skb(skb); | |
503 | return; | |
504 | } | |
505 | ||
506 | if (cardp->bootcmdresp == 0) { | |
507 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, | |
508 | sizeof(bootcmdresp)); | |
981f187b | 509 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 510 | kfree_skb(skb); |
954ee164 | 511 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a | 512 | cardp->bootcmdresp = 1; |
9012b28a | 513 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
514 | "Received valid boot command response\n"); |
515 | return; | |
516 | } | |
981f187b | 517 | if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
876c9d3a MT |
518 | lbs_pr_info( |
519 | "boot cmd response wrong magic number (0x%x)\n", | |
981f187b | 520 | le32_to_cpu(bootcmdresp.u32magicnumber)); |
876c9d3a MT |
521 | } else if (bootcmdresp.u8cmd_tag != BOOT_CMD_FW_BY_USB) { |
522 | lbs_pr_info( | |
523 | "boot cmd response cmd_tag error (%d)\n", | |
524 | bootcmdresp.u8cmd_tag); | |
525 | } else if (bootcmdresp.u8result != BOOT_CMD_RESP_OK) { | |
526 | lbs_pr_info( | |
527 | "boot cmd response result error (%d)\n", | |
528 | bootcmdresp.u8result); | |
529 | } else { | |
530 | cardp->bootcmdresp = 1; | |
9012b28a | 531 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
532 | "Received valid boot command response\n"); |
533 | } | |
534 | kfree_skb(skb); | |
954ee164 | 535 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
536 | return; |
537 | } | |
538 | ||
539 | syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC); | |
540 | if (!syncfwheader) { | |
9012b28a | 541 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
542 | kfree_skb(skb); |
543 | return; | |
544 | } | |
545 | ||
546 | memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET, | |
547 | sizeof(struct fwsyncheader)); | |
548 | ||
549 | if (!syncfwheader->cmd) { | |
9012b28a HS |
550 | /* |
551 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 552 | "FW received Blk with correct CRC\n"); |
9012b28a | 553 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
554 | "FW received Blk seqnum = %d\n", |
555 | syncfwheader->seqnum); | |
9012b28a | 556 | */ |
876c9d3a MT |
557 | cardp->CRC_OK = 1; |
558 | } else { | |
9012b28a | 559 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
560 | "FW received Blk with CRC error\n"); |
561 | cardp->CRC_OK = 0; | |
562 | } | |
563 | ||
564 | kfree_skb(skb); | |
565 | ||
566 | if (cardp->fwfinalblk) { | |
567 | cardp->fwdnldover = 1; | |
568 | goto exit; | |
569 | } | |
570 | ||
954ee164 | 571 | if_prog_firmware(cardp); |
876c9d3a | 572 | |
954ee164 | 573 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
574 | exit: |
575 | kfree(syncfwheader); | |
576 | ||
577 | return; | |
578 | ||
579 | } | |
580 | ||
581 | #define MRVDRV_MIN_PKT_LEN 30 | |
582 | ||
583 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
584 | struct usb_card_rec *cardp, | |
10078321 | 585 | lbs_private *priv) |
876c9d3a MT |
586 | { |
587 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + | |
588 | MESSAGE_HEADER_LEN || recvlength < MRVDRV_MIN_PKT_LEN) { | |
9012b28a | 589 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
590 | "Packet length is Invalid\n"); |
591 | kfree_skb(skb); | |
592 | return; | |
593 | } | |
594 | ||
595 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
596 | skb_put(skb, recvlength); | |
597 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
10078321 | 598 | lbs_process_rxed_packet(priv, skb); |
634b8f49 | 599 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a MT |
600 | } |
601 | ||
602 | static inline void process_cmdrequest(int recvlength, u8 *recvbuff, | |
603 | struct sk_buff *skb, | |
604 | struct usb_card_rec *cardp, | |
10078321 | 605 | lbs_private *priv) |
876c9d3a MT |
606 | { |
607 | u8 *cmdbuf; | |
608 | if (recvlength > MRVDRV_SIZE_OF_CMD_BUFFER) { | |
9012b28a | 609 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
610 | "The receive buffer is too large\n"); |
611 | kfree_skb(skb); | |
612 | return; | |
613 | } | |
614 | ||
615 | if (!in_interrupt()) | |
616 | BUG(); | |
617 | ||
618 | spin_lock(&priv->adapter->driver_lock); | |
619 | /* take care of cur_cmd = NULL case by reading the | |
620 | * data to clear the interrupt */ | |
621 | if (!priv->adapter->cur_cmd) { | |
634b8f49 | 622 | cmdbuf = priv->upld_buf; |
c95c7f93 | 623 | priv->adapter->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
876c9d3a MT |
624 | } else |
625 | cmdbuf = priv->adapter->cur_cmd->bufvirtualaddr; | |
626 | ||
c95c7f93 | 627 | cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY; |
634b8f49 | 628 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a | 629 | memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN, |
634b8f49 | 630 | priv->upld_len); |
876c9d3a MT |
631 | |
632 | kfree_skb(skb); | |
10078321 | 633 | lbs_interrupt(priv->dev); |
876c9d3a MT |
634 | spin_unlock(&priv->adapter->driver_lock); |
635 | ||
9012b28a | 636 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
637 | "Wake up main thread to handle cmd response\n"); |
638 | ||
639 | return; | |
640 | } | |
641 | ||
642 | /** | |
643 | * @brief This function reads of the packet into the upload buff, | |
644 | * wake up the main thread and initialise the Rx callack. | |
645 | * | |
646 | * @param urb pointer to struct urb | |
647 | * @return N/A | |
648 | */ | |
649 | static void if_usb_receive(struct urb *urb) | |
650 | { | |
651 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
876c9d3a | 652 | struct sk_buff *skb = rinfo->skb; |
954ee164 | 653 | struct usb_card_rec *cardp = (struct usb_card_rec *) rinfo->cardp; |
10078321 | 654 | lbs_private * priv = cardp->priv; |
876c9d3a MT |
655 | |
656 | int recvlength = urb->actual_length; | |
657 | u8 *recvbuff = NULL; | |
8362cd41 | 658 | u32 recvtype = 0; |
876c9d3a | 659 | |
9012b28a | 660 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
661 | |
662 | if (recvlength) { | |
8362cd41 DW |
663 | __le32 tmp; |
664 | ||
876c9d3a | 665 | if (urb->status) { |
9012b28a | 666 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
667 | "URB status is failed\n"); |
668 | kfree_skb(skb); | |
669 | goto setup_for_next; | |
670 | } | |
671 | ||
672 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
8362cd41 DW |
673 | memcpy(&tmp, recvbuff, sizeof(u32)); |
674 | recvtype = le32_to_cpu(tmp); | |
9012b28a | 675 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
676 | "Recv length = 0x%x, Recv type = 0x%X\n", |
677 | recvlength, recvtype); | |
876c9d3a MT |
678 | } else if (urb->status) |
679 | goto rx_exit; | |
680 | ||
876c9d3a MT |
681 | switch (recvtype) { |
682 | case CMD_TYPE_DATA: | |
683 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
684 | break; | |
685 | ||
686 | case CMD_TYPE_REQUEST: | |
687 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
688 | break; | |
689 | ||
690 | case CMD_TYPE_INDICATION: | |
691 | /* Event cause handling */ | |
692 | spin_lock(&priv->adapter->driver_lock); | |
981f187b | 693 | cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN)); |
9012b28a | 694 | lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n", |
876c9d3a MT |
695 | cardp->usb_event_cause); |
696 | if (cardp->usb_event_cause & 0xffff0000) { | |
10078321 | 697 | lbs_send_tx_feedback(priv); |
12a4d265 | 698 | spin_unlock(&priv->adapter->driver_lock); |
876c9d3a MT |
699 | break; |
700 | } | |
981f187b | 701 | cardp->usb_event_cause <<= 3; |
c95c7f93 | 702 | cardp->usb_int_cause |= MRVDRV_CARDEVENT; |
876c9d3a | 703 | kfree_skb(skb); |
10078321 | 704 | lbs_interrupt(priv->dev); |
876c9d3a MT |
705 | spin_unlock(&priv->adapter->driver_lock); |
706 | goto rx_exit; | |
707 | default: | |
8362cd41 DW |
708 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
709 | recvtype); | |
876c9d3a MT |
710 | kfree_skb(skb); |
711 | break; | |
712 | } | |
713 | ||
714 | setup_for_next: | |
954ee164 | 715 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 716 | rx_exit: |
9012b28a | 717 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
718 | } |
719 | ||
720 | /** | |
721 | * @brief This function downloads data to FW | |
10078321 | 722 | * @param priv pointer to lbs_private structure |
876c9d3a MT |
723 | * @param type type of data |
724 | * @param buf pointer to data buffer | |
725 | * @param len number of bytes | |
726 | * @return 0 or -1 | |
727 | */ | |
10078321 | 728 | static int if_usb_host_to_card(lbs_private *priv, u8 type, u8 *payload, u16 nb) |
876c9d3a | 729 | { |
634b8f49 | 730 | struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card; |
876c9d3a | 731 | |
9012b28a HS |
732 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
733 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
734 | |
735 | if (type == MVMS_CMD) { | |
8362cd41 | 736 | __le32 tmp = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 737 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a MT |
738 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
739 | MESSAGE_HEADER_LEN); | |
740 | ||
741 | } else { | |
8362cd41 | 742 | __le32 tmp = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 743 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
744 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
745 | MESSAGE_HEADER_LEN); | |
746 | } | |
747 | ||
748 | memcpy((cardp->bulk_out_buffer + MESSAGE_HEADER_LEN), payload, nb); | |
749 | ||
954ee164 | 750 | return usb_tx_block(cardp, cardp->bulk_out_buffer, |
8362cd41 | 751 | nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
752 | } |
753 | ||
754 | /* called with adapter->driver_lock held */ | |
10078321 | 755 | static int if_usb_get_int_status(lbs_private *priv, u8 *ireg) |
876c9d3a | 756 | { |
634b8f49 | 757 | struct usb_card_rec *cardp = priv->card; |
876c9d3a MT |
758 | |
759 | *ireg = cardp->usb_int_cause; | |
760 | cardp->usb_int_cause = 0; | |
761 | ||
9012b28a | 762 | lbs_deb_usbd(&cardp->udev->dev,"Int cause is 0x%X\n", *ireg); |
876c9d3a MT |
763 | |
764 | return 0; | |
765 | } | |
766 | ||
10078321 | 767 | static int if_usb_read_event_cause(lbs_private * priv) |
876c9d3a | 768 | { |
634b8f49 | 769 | struct usb_card_rec *cardp = priv->card; |
954ee164 | 770 | |
876c9d3a MT |
771 | priv->adapter->eventcause = cardp->usb_event_cause; |
772 | /* Re-submit rx urb here to avoid event lost issue */ | |
954ee164 | 773 | if_usb_submit_rx_urb(cardp); |
876c9d3a MT |
774 | return 0; |
775 | } | |
776 | ||
9e22cb67 DW |
777 | /** |
778 | * @brief This function issues Boot command to the Boot2 code | |
779 | * @param ivalue 1:Boot from FW by USB-Download | |
780 | * 2:Boot from FW in EEPROM | |
781 | * @return 0 | |
782 | */ | |
954ee164 | 783 | static int if_usb_issue_boot_command(struct usb_card_rec *cardp, int ivalue) |
9e22cb67 | 784 | { |
954ee164 | 785 | struct bootcmdstr sbootcmd; |
9e22cb67 DW |
786 | int i; |
787 | ||
788 | /* Prepare command */ | |
789 | sbootcmd.u32magicnumber = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); | |
790 | sbootcmd.u8cmd_tag = ivalue; | |
791 | for (i=0; i<11; i++) | |
792 | sbootcmd.au8dumy[i]=0x00; | |
793 | memcpy(cardp->bulk_out_buffer, &sbootcmd, sizeof(struct bootcmdstr)); | |
794 | ||
795 | /* Issue command */ | |
954ee164 | 796 | usb_tx_block(cardp, cardp->bulk_out_buffer, sizeof(struct bootcmdstr)); |
9e22cb67 DW |
797 | |
798 | return 0; | |
799 | } | |
876c9d3a MT |
800 | |
801 | ||
954ee164 DW |
802 | /** |
803 | * @brief This function checks the validity of Boot2/FW image. | |
804 | * | |
805 | * @param data pointer to image | |
806 | * len image length | |
807 | * @return 0 or -1 | |
808 | */ | |
809 | static int check_fwfile_format(u8 *data, u32 totlen) | |
810 | { | |
811 | u32 bincmd, exit; | |
812 | u32 blksize, offset, len; | |
813 | int ret; | |
814 | ||
815 | ret = 1; | |
816 | exit = len = 0; | |
817 | ||
818 | do { | |
819 | struct fwheader *fwh = (void *)data; | |
820 | ||
821 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
822 | blksize = le32_to_cpu(fwh->datalength); | |
823 | switch (bincmd) { | |
824 | case FW_HAS_DATA_TO_RECV: | |
825 | offset = sizeof(struct fwheader) + blksize; | |
826 | data += offset; | |
827 | len += offset; | |
828 | if (len >= totlen) | |
829 | exit = 1; | |
830 | break; | |
831 | case FW_HAS_LAST_BLOCK: | |
832 | exit = 1; | |
833 | ret = 0; | |
834 | break; | |
835 | default: | |
836 | exit = 1; | |
837 | break; | |
838 | } | |
839 | } while (!exit); | |
840 | ||
841 | if (ret) | |
842 | lbs_pr_err("firmware file format check FAIL\n"); | |
843 | else | |
844 | lbs_deb_fw("firmware file format check PASS\n"); | |
845 | ||
846 | return ret; | |
847 | } | |
848 | ||
849 | ||
850 | static int if_usb_prog_firmware(struct usb_card_rec *cardp) | |
876c9d3a | 851 | { |
876c9d3a MT |
852 | int i = 0; |
853 | static int reset_count = 10; | |
9012b28a | 854 | int ret = 0; |
876c9d3a | 855 | |
9012b28a | 856 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 857 | |
10078321 | 858 | if ((ret = request_firmware(&cardp->fw, lbs_fw_name, |
954ee164 DW |
859 | &cardp->udev->dev)) < 0) { |
860 | lbs_pr_err("request_firmware() failed with %#x\n", ret); | |
10078321 | 861 | lbs_pr_err("firmware %s not found\n", lbs_fw_name); |
954ee164 DW |
862 | goto done; |
863 | } | |
864 | ||
865 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) | |
866 | goto release_fw; | |
876c9d3a MT |
867 | |
868 | restart: | |
954ee164 | 869 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a HS |
870 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
871 | ret = -1; | |
954ee164 | 872 | goto release_fw; |
876c9d3a MT |
873 | } |
874 | ||
876c9d3a MT |
875 | cardp->bootcmdresp = 0; |
876 | do { | |
877 | int j = 0; | |
878 | i++; | |
879 | /* Issue Boot command = 1, Boot from Download-FW */ | |
954ee164 | 880 | if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB); |
876c9d3a MT |
881 | /* wait for command response */ |
882 | do { | |
883 | j++; | |
884 | msleep_interruptible(100); | |
885 | } while (cardp->bootcmdresp == 0 && j < 10); | |
886 | } while (cardp->bootcmdresp == 0 && i < 5); | |
887 | ||
888 | if (cardp->bootcmdresp == 0) { | |
889 | if (--reset_count >= 0) { | |
954ee164 | 890 | if_usb_reset_device(cardp); |
876c9d3a MT |
891 | goto restart; |
892 | } | |
893 | return -1; | |
894 | } | |
876c9d3a MT |
895 | |
896 | i = 0; | |
876c9d3a MT |
897 | |
898 | cardp->totalbytes = 0; | |
899 | cardp->fwlastblksent = 0; | |
900 | cardp->CRC_OK = 1; | |
901 | cardp->fwdnldover = 0; | |
902 | cardp->fwseqnum = -1; | |
903 | cardp->totalbytes = 0; | |
904 | cardp->fwfinalblk = 0; | |
905 | ||
954ee164 | 906 | if_prog_firmware(cardp); |
876c9d3a MT |
907 | |
908 | do { | |
9012b28a | 909 | lbs_deb_usbd(&cardp->udev->dev,"Wlan sched timeout\n"); |
876c9d3a MT |
910 | i++; |
911 | msleep_interruptible(100); | |
954ee164 | 912 | if (cardp->surprise_removed || i >= 20) |
876c9d3a MT |
913 | break; |
914 | } while (!cardp->fwdnldover); | |
915 | ||
916 | if (!cardp->fwdnldover) { | |
917 | lbs_pr_info("failed to load fw, resetting device!\n"); | |
918 | if (--reset_count >= 0) { | |
954ee164 | 919 | if_usb_reset_device(cardp); |
876c9d3a MT |
920 | goto restart; |
921 | } | |
922 | ||
923 | lbs_pr_info("FW download failure, time = %d ms\n", i * 100); | |
9012b28a | 924 | ret = -1; |
954ee164 | 925 | goto release_fw; |
876c9d3a MT |
926 | } |
927 | ||
954ee164 DW |
928 | release_fw: |
929 | release_firmware(cardp->fw); | |
930 | cardp->fw = NULL; | |
876c9d3a | 931 | |
9012b28a HS |
932 | done: |
933 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
934 | return ret; | |
876c9d3a MT |
935 | } |
936 | ||
1df4e8fe | 937 | |
876c9d3a MT |
938 | #ifdef CONFIG_PM |
939 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
940 | { | |
941 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
10078321 | 942 | lbs_private *priv = cardp->priv; |
876c9d3a | 943 | |
9012b28a | 944 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
945 | |
946 | if (priv->adapter->psstate != PS_STATE_FULL_POWER) | |
947 | return -1; | |
948 | ||
d21b31fd LCC |
949 | if (priv->mesh_dev && !priv->mesh_autostart_enabled) { |
950 | /* Mesh autostart must be activated while sleeping | |
951 | * On resume it will go back to the current state | |
952 | */ | |
953 | struct cmd_ds_mesh_access mesh_access; | |
954 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
955 | mesh_access.data[0] = cpu_to_le32(1); | |
10078321 | 956 | lbs_prepare_and_send_command(priv, |
d21b31fd LCC |
957 | CMD_MESH_ACCESS, |
958 | CMD_ACT_MESH_SET_AUTOSTART_ENABLED, | |
959 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
960 | } | |
961 | ||
876c9d3a | 962 | netif_device_detach(cardp->eth_dev); |
51d84f50 | 963 | netif_device_detach(priv->mesh_dev); |
876c9d3a MT |
964 | |
965 | /* Unlink tx & rx urb */ | |
966 | usb_kill_urb(cardp->tx_urb); | |
967 | usb_kill_urb(cardp->rx_urb); | |
968 | ||
969 | cardp->rx_urb_recall = 1; | |
970 | ||
9012b28a | 971 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
972 | return 0; |
973 | } | |
974 | ||
975 | static int if_usb_resume(struct usb_interface *intf) | |
976 | { | |
977 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
10078321 | 978 | lbs_private *priv = cardp->priv; |
876c9d3a | 979 | |
9012b28a | 980 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
981 | |
982 | cardp->rx_urb_recall = 0; | |
983 | ||
984 | if_usb_submit_rx_urb(cardp->priv); | |
985 | ||
986 | netif_device_attach(cardp->eth_dev); | |
51d84f50 | 987 | netif_device_attach(priv->mesh_dev); |
876c9d3a | 988 | |
d21b31fd LCC |
989 | if (priv->mesh_dev && !priv->mesh_autostart_enabled) { |
990 | /* Mesh autostart was activated while sleeping | |
991 | * Disable it if appropriate | |
992 | */ | |
993 | struct cmd_ds_mesh_access mesh_access; | |
994 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
995 | mesh_access.data[0] = cpu_to_le32(0); | |
10078321 | 996 | lbs_prepare_and_send_command(priv, |
d21b31fd LCC |
997 | CMD_MESH_ACCESS, |
998 | CMD_ACT_MESH_SET_AUTOSTART_ENABLED, | |
999 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
1000 | } | |
1001 | ||
9012b28a | 1002 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1003 | return 0; |
1004 | } | |
1005 | #else | |
1006 | #define if_usb_suspend NULL | |
1007 | #define if_usb_resume NULL | |
1008 | #endif | |
1009 | ||
1010 | static struct usb_driver if_usb_driver = { | |
1011 | /* driver name */ | |
1012 | .name = usbdriver_name, | |
1013 | /* probe function name */ | |
1014 | .probe = if_usb_probe, | |
1015 | /* disconnect function name */ | |
1016 | .disconnect = if_usb_disconnect, | |
1017 | /* device signature table */ | |
1018 | .id_table = if_usb_table, | |
1019 | .suspend = if_usb_suspend, | |
1020 | .resume = if_usb_resume, | |
1021 | }; | |
1022 | ||
084708b6 | 1023 | static int if_usb_init_module(void) |
876c9d3a | 1024 | { |
084708b6 | 1025 | int ret = 0; |
876c9d3a | 1026 | |
084708b6 HS |
1027 | lbs_deb_enter(LBS_DEB_MAIN); |
1028 | ||
084708b6 HS |
1029 | ret = usb_register(&if_usb_driver); |
1030 | ||
1031 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1032 | return ret; | |
876c9d3a MT |
1033 | } |
1034 | ||
084708b6 | 1035 | static void if_usb_exit_module(void) |
876c9d3a | 1036 | { |
d43fb8ee | 1037 | struct usb_card_rec *cardp, *cardp_temp; |
3874d0fe | 1038 | |
084708b6 HS |
1039 | lbs_deb_enter(LBS_DEB_MAIN); |
1040 | ||
b6e99dd6 | 1041 | list_for_each_entry_safe(cardp, cardp_temp, &usb_devices, list) { |
10078321 | 1042 | lbs_prepare_and_send_command(cardp->priv, CMD_802_11_RESET, |
b6e99dd6 DW |
1043 | CMD_ACT_HALT, 0, 0, NULL); |
1044 | } | |
3874d0fe | 1045 | |
876c9d3a MT |
1046 | /* API unregisters the driver from USB subsystem */ |
1047 | usb_deregister(&if_usb_driver); | |
084708b6 HS |
1048 | |
1049 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 1050 | } |
084708b6 HS |
1051 | |
1052 | module_init(if_usb_init_module); | |
1053 | module_exit(if_usb_exit_module); | |
1054 | ||
1055 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
1056 | MODULE_AUTHOR("Marvell International Ltd."); | |
1057 | MODULE_LICENSE("GPL"); |