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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> | |
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" | |
14e865ba | 16 | #include "cmd.h" |
876c9d3a MT |
17 | #include "if_usb.h" |
18 | ||
19 | #define MESSAGE_HEADER_LEN 4 | |
20 | ||
82209adc | 21 | static char *lbs_fw_name = "usb8388.bin"; |
10078321 | 22 | module_param_named(fw_name, lbs_fw_name, charp, 0644); |
084708b6 | 23 | |
876c9d3a MT |
24 | static struct usb_device_id if_usb_table[] = { |
25 | /* Enter the device signature inside */ | |
66fcc559 HS |
26 | { USB_DEVICE(0x1286, 0x2001) }, |
27 | { USB_DEVICE(0x05a3, 0x8388) }, | |
876c9d3a MT |
28 | {} /* Terminating entry */ |
29 | }; | |
30 | ||
31 | MODULE_DEVICE_TABLE(usb, if_usb_table); | |
32 | ||
33 | static void if_usb_receive(struct urb *urb); | |
34 | static void if_usb_receive_fwload(struct urb *urb); | |
954ee164 | 35 | static int if_usb_prog_firmware(struct usb_card_rec *cardp); |
69f9032d HS |
36 | static int if_usb_host_to_card(struct lbs_private *priv, |
37 | u8 type, | |
38 | u8 *payload, | |
39 | u16 nb); | |
40 | static int if_usb_get_int_status(struct lbs_private *priv, u8 *); | |
41 | static int if_usb_read_event_cause(struct lbs_private *); | |
954ee164 | 42 | static int usb_tx_block(struct usb_card_rec *cardp, u8 *payload, u16 nb); |
ac558ca2 | 43 | static void if_usb_free(struct usb_card_rec *cardp); |
954ee164 DW |
44 | static int if_usb_submit_rx_urb(struct usb_card_rec *cardp); |
45 | static int if_usb_reset_device(struct usb_card_rec *cardp); | |
876c9d3a MT |
46 | |
47 | /** | |
48 | * @brief call back function to handle the status of the URB | |
49 | * @param urb pointer to urb structure | |
50 | * @return N/A | |
51 | */ | |
52 | static void if_usb_write_bulk_callback(struct urb *urb) | |
53 | { | |
954ee164 | 54 | struct usb_card_rec *cardp = (struct usb_card_rec *) urb->context; |
876c9d3a MT |
55 | |
56 | /* handle the transmission complete validations */ | |
57 | ||
954ee164 | 58 | if (urb->status == 0) { |
69f9032d | 59 | struct lbs_private *priv = cardp->priv; |
954ee164 | 60 | |
9012b28a HS |
61 | /* |
62 | lbs_deb_usbd(&urb->dev->dev, "URB status is successfull\n"); | |
63 | lbs_deb_usbd(&urb->dev->dev, "Actual length transmitted %d\n", | |
876c9d3a | 64 | urb->actual_length); |
9012b28a | 65 | */ |
954ee164 DW |
66 | |
67 | /* Used for both firmware TX and regular TX. priv isn't | |
68 | * valid at firmware load time. | |
69 | */ | |
e775ed7c DW |
70 | if (priv) |
71 | lbs_host_to_card_done(priv); | |
954ee164 DW |
72 | } else { |
73 | /* print the failure status number for debug */ | |
74 | lbs_pr_info("URB in failure status: %d\n", urb->status); | |
876c9d3a MT |
75 | } |
76 | ||
77 | return; | |
78 | } | |
79 | ||
80 | /** | |
81 | * @brief free tx/rx urb, skb and rx buffer | |
82 | * @param cardp pointer usb_card_rec | |
83 | * @return N/A | |
84 | */ | |
ac558ca2 | 85 | static void if_usb_free(struct usb_card_rec *cardp) |
876c9d3a | 86 | { |
9012b28a | 87 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
88 | |
89 | /* Unlink tx & rx urb */ | |
90 | usb_kill_urb(cardp->tx_urb); | |
91 | usb_kill_urb(cardp->rx_urb); | |
92 | ||
93 | usb_free_urb(cardp->tx_urb); | |
94 | cardp->tx_urb = NULL; | |
95 | ||
96 | usb_free_urb(cardp->rx_urb); | |
97 | cardp->rx_urb = NULL; | |
98 | ||
99 | kfree(cardp->bulk_out_buffer); | |
100 | cardp->bulk_out_buffer = NULL; | |
101 | ||
9012b28a | 102 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
103 | } |
104 | ||
04c80f1a DW |
105 | static void if_usb_set_boot2_ver(struct lbs_private *priv) |
106 | { | |
107 | struct cmd_ds_set_boot2_ver b2_cmd; | |
04c80f1a DW |
108 | |
109 | b2_cmd.action = 0; | |
c2df2efe | 110 | b2_cmd.version = priv->boot2_version; |
04c80f1a | 111 | |
14e865ba | 112 | if (lbs_cmd(priv, CMD_SET_BOOT2_VER, b2_cmd, NULL, 0)) |
04c80f1a | 113 | lbs_deb_usb("Setting boot2 version failed\n"); |
04c80f1a DW |
114 | } |
115 | ||
116 | ||
876c9d3a MT |
117 | /** |
118 | * @brief sets the configuration values | |
119 | * @param ifnum interface number | |
120 | * @param id pointer to usb_device_id | |
121 | * @return 0 on success, error code on failure | |
122 | */ | |
123 | static int if_usb_probe(struct usb_interface *intf, | |
124 | const struct usb_device_id *id) | |
125 | { | |
126 | struct usb_device *udev; | |
127 | struct usb_host_interface *iface_desc; | |
128 | struct usb_endpoint_descriptor *endpoint; | |
69f9032d | 129 | struct lbs_private *priv; |
435a1acb | 130 | struct usb_card_rec *cardp; |
876c9d3a MT |
131 | int i; |
132 | ||
133 | udev = interface_to_usbdev(intf); | |
134 | ||
435a1acb HS |
135 | cardp = kzalloc(sizeof(struct usb_card_rec), GFP_KERNEL); |
136 | if (!cardp) { | |
876c9d3a MT |
137 | lbs_pr_err("Out of memory allocating private data.\n"); |
138 | goto error; | |
139 | } | |
140 | ||
435a1acb | 141 | cardp->udev = udev; |
876c9d3a MT |
142 | iface_desc = intf->cur_altsetting; |
143 | ||
9012b28a | 144 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
876c9d3a | 145 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
981f187b DW |
146 | le16_to_cpu(udev->descriptor.bcdUSB), |
147 | udev->descriptor.bDeviceClass, | |
148 | udev->descriptor.bDeviceSubClass, | |
149 | udev->descriptor.bDeviceProtocol); | |
876c9d3a MT |
150 | |
151 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
152 | endpoint = &iface_desc->endpoint[i].desc; | |
153 | if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
154 | && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
155 | USB_ENDPOINT_XFER_BULK)) { | |
156 | /* we found a bulk in endpoint */ | |
9012b28a | 157 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", |
981f187b DW |
158 | le16_to_cpu(endpoint->wMaxPacketSize)); |
159 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
9012b28a | 160 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
161 | "Rx URB allocation failed\n"); |
162 | goto dealloc; | |
163 | } | |
435a1acb | 164 | cardp->rx_urb_recall = 0; |
876c9d3a | 165 | |
435a1acb | 166 | cardp->bulk_in_size = |
981f187b | 167 | le16_to_cpu(endpoint->wMaxPacketSize); |
435a1acb | 168 | cardp->bulk_in_endpointAddr = |
876c9d3a MT |
169 | (endpoint-> |
170 | bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); | |
9012b28a | 171 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", |
876c9d3a MT |
172 | endpoint->bEndpointAddress); |
173 | } | |
174 | ||
175 | if (((endpoint-> | |
176 | bEndpointAddress & USB_ENDPOINT_DIR_MASK) == | |
177 | USB_DIR_OUT) | |
178 | && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
179 | USB_ENDPOINT_XFER_BULK)) { | |
180 | /* We found bulk out endpoint */ | |
981f187b | 181 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { |
9012b28a | 182 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
183 | "Tx URB allocation failed\n"); |
184 | goto dealloc; | |
185 | } | |
186 | ||
435a1acb | 187 | cardp->bulk_out_size = |
981f187b | 188 | le16_to_cpu(endpoint->wMaxPacketSize); |
9012b28a | 189 | lbs_deb_usbd(&udev->dev, |
981f187b DW |
190 | "Bulk out size is %d\n", |
191 | le16_to_cpu(endpoint->wMaxPacketSize)); | |
435a1acb | 192 | cardp->bulk_out_endpointAddr = |
876c9d3a | 193 | endpoint->bEndpointAddress; |
9012b28a | 194 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", |
876c9d3a | 195 | endpoint->bEndpointAddress); |
435a1acb | 196 | cardp->bulk_out_buffer = |
876c9d3a MT |
197 | kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, |
198 | GFP_KERNEL); | |
199 | ||
435a1acb | 200 | if (!cardp->bulk_out_buffer) { |
9012b28a | 201 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
202 | "Could not allocate buffer\n"); |
203 | goto dealloc; | |
204 | } | |
205 | } | |
206 | } | |
207 | ||
954ee164 DW |
208 | /* Upload firmware */ |
209 | cardp->rinfo.cardp = cardp; | |
210 | if (if_usb_prog_firmware(cardp)) { | |
211 | lbs_deb_usbd(&udev->dev, "FW upload failed"); | |
212 | goto err_prog_firmware; | |
213 | } | |
214 | ||
10078321 | 215 | if (!(priv = lbs_add_card(cardp, &udev->dev))) |
954ee164 | 216 | goto err_prog_firmware; |
3874d0fe | 217 | |
954ee164 | 218 | cardp->priv = priv; |
965f8bbc | 219 | |
10078321 | 220 | if (lbs_add_mesh(priv, &udev->dev)) |
6a812157 | 221 | goto err_add_mesh; |
51d84f50 | 222 | |
954ee164 DW |
223 | cardp->eth_dev = priv->dev; |
224 | ||
208fdd2f HS |
225 | priv->hw_host_to_card = if_usb_host_to_card; |
226 | priv->hw_get_int_status = if_usb_get_int_status; | |
227 | priv->hw_read_event_cause = if_usb_read_event_cause; | |
c2df2efe | 228 | priv->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 229 | |
954ee164 DW |
230 | /* Delay 200 ms to waiting for the FW ready */ |
231 | if_usb_submit_rx_urb(cardp); | |
232 | msleep_interruptible(200); | |
aa21c004 | 233 | priv->fw_ready = 1; |
954ee164 | 234 | |
10078321 | 235 | if (lbs_start_card(priv)) |
954ee164 | 236 | goto err_start_card; |
32a74b7c | 237 | |
04c80f1a | 238 | if_usb_set_boot2_ver(priv); |
2c94404c | 239 | |
876c9d3a | 240 | usb_get_dev(udev); |
435a1acb | 241 | usb_set_intfdata(intf, cardp); |
876c9d3a | 242 | |
876c9d3a MT |
243 | return 0; |
244 | ||
954ee164 | 245 | err_start_card: |
10078321 | 246 | lbs_remove_mesh(priv); |
6a812157 | 247 | err_add_mesh: |
10078321 | 248 | lbs_remove_card(priv); |
954ee164 DW |
249 | err_prog_firmware: |
250 | if_usb_reset_device(cardp); | |
876c9d3a | 251 | dealloc: |
435a1acb | 252 | if_usb_free(cardp); |
876c9d3a MT |
253 | |
254 | error: | |
255 | return -ENOMEM; | |
256 | } | |
257 | ||
258 | /** | |
259 | * @brief free resource and cleanup | |
435a1acb | 260 | * @param intf USB interface structure |
876c9d3a MT |
261 | * @return N/A |
262 | */ | |
263 | static void if_usb_disconnect(struct usb_interface *intf) | |
264 | { | |
265 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 266 | struct lbs_private *priv = (struct lbs_private *) cardp->priv; |
876c9d3a | 267 | |
954ee164 | 268 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 269 | |
954ee164 DW |
270 | /* Update Surprise removed to TRUE */ |
271 | cardp->surprise_removed = 1; | |
876c9d3a | 272 | |
954ee164 | 273 | if (priv) { |
954ee164 | 274 | |
aa21c004 | 275 | priv->surpriseremoved = 1; |
10078321 HS |
276 | lbs_stop_card(priv); |
277 | lbs_remove_mesh(priv); | |
278 | lbs_remove_card(priv); | |
954ee164 | 279 | } |
876c9d3a | 280 | |
be13f189 AS |
281 | /* this is (apparently?) necessary for future usage of the device */ |
282 | lbs_prepare_and_send_command(priv, CMD_802_11_RESET, CMD_ACT_HALT, | |
283 | 0, 0, NULL); | |
284 | ||
876c9d3a MT |
285 | /* Unlink and free urb */ |
286 | if_usb_free(cardp); | |
287 | ||
288 | usb_set_intfdata(intf, NULL); | |
289 | usb_put_dev(interface_to_usbdev(intf)); | |
290 | ||
954ee164 | 291 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
292 | } |
293 | ||
294 | /** | |
295 | * @brief This function download FW | |
69f9032d | 296 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
297 | * @return 0 |
298 | */ | |
954ee164 | 299 | static int if_prog_firmware(struct usb_card_rec *cardp) |
876c9d3a | 300 | { |
876c9d3a MT |
301 | struct FWData *fwdata; |
302 | struct fwheader *fwheader; | |
954ee164 | 303 | u8 *firmware = cardp->fw->data; |
876c9d3a MT |
304 | |
305 | fwdata = kmalloc(sizeof(struct FWData), GFP_ATOMIC); | |
306 | ||
307 | if (!fwdata) | |
308 | return -1; | |
309 | ||
310 | fwheader = &fwdata->fwheader; | |
311 | ||
312 | if (!cardp->CRC_OK) { | |
313 | cardp->totalbytes = cardp->fwlastblksent; | |
314 | cardp->fwseqnum = cardp->lastseqnum - 1; | |
315 | } | |
316 | ||
9012b28a HS |
317 | /* |
318 | lbs_deb_usbd(&cardp->udev->dev, "totalbytes = %d\n", | |
876c9d3a | 319 | cardp->totalbytes); |
9012b28a | 320 | */ |
876c9d3a MT |
321 | |
322 | memcpy(fwheader, &firmware[cardp->totalbytes], | |
323 | sizeof(struct fwheader)); | |
324 | ||
325 | cardp->fwlastblksent = cardp->totalbytes; | |
326 | cardp->totalbytes += sizeof(struct fwheader); | |
327 | ||
9012b28a | 328 | /* lbs_deb_usbd(&cardp->udev->dev,"Copy Data\n"); */ |
876c9d3a | 329 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
981f187b | 330 | le32_to_cpu(fwdata->fwheader.datalength)); |
876c9d3a | 331 | |
9012b28a HS |
332 | /* |
333 | lbs_deb_usbd(&cardp->udev->dev, | |
bb793e2b | 334 | "Data length = %d\n", le32_to_cpu(fwdata->fwheader.datalength)); |
9012b28a | 335 | */ |
876c9d3a MT |
336 | |
337 | cardp->fwseqnum = cardp->fwseqnum + 1; | |
338 | ||
981f187b DW |
339 | fwdata->seqnum = cpu_to_le32(cardp->fwseqnum); |
340 | cardp->lastseqnum = cardp->fwseqnum; | |
341 | cardp->totalbytes += le32_to_cpu(fwdata->fwheader.datalength); | |
876c9d3a | 342 | |
981f187b | 343 | if (fwheader->dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { |
9012b28a | 344 | /* |
981f187b | 345 | lbs_deb_usbd(&cardp->udev->dev, "There are data to follow\n"); |
9012b28a | 346 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
347 | "seqnum = %d totalbytes = %d\n", cardp->fwseqnum, |
348 | cardp->totalbytes); | |
9012b28a | 349 | */ |
876c9d3a | 350 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
954ee164 | 351 | usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); |
876c9d3a | 352 | |
bb793e2b | 353 | } else if (fwdata->fwheader.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { |
9012b28a HS |
354 | /* |
355 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 356 | "Host has finished FW downloading\n"); |
9012b28a | 357 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 358 | "Donwloading FW JUMP BLOCK\n"); |
9012b28a | 359 | */ |
876c9d3a | 360 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
954ee164 | 361 | usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); |
876c9d3a MT |
362 | cardp->fwfinalblk = 1; |
363 | } | |
364 | ||
9012b28a HS |
365 | /* |
366 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a MT |
367 | "The firmware download is done size is %d\n", |
368 | cardp->totalbytes); | |
9012b28a | 369 | */ |
876c9d3a MT |
370 | |
371 | kfree(fwdata); | |
372 | ||
373 | return 0; | |
374 | } | |
375 | ||
954ee164 | 376 | static int if_usb_reset_device(struct usb_card_rec *cardp) |
876c9d3a | 377 | { |
6d35fdfc | 378 | struct cmd_ds_command *cmd = (void *)&cardp->bulk_out_buffer[4]; |
876c9d3a | 379 | int ret; |
876c9d3a | 380 | |
3874d0fe HS |
381 | lbs_deb_enter(LBS_DEB_USB); |
382 | ||
6d35fdfc DW |
383 | *(__le32 *)cardp->bulk_out_buffer = cpu_to_le32(CMD_TYPE_REQUEST); |
384 | ||
385 | cmd->command = cpu_to_le16(CMD_802_11_RESET); | |
386 | cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN); | |
387 | cmd->result = cpu_to_le16(0); | |
388 | cmd->seqnum = cpu_to_le16(0x5a5a); | |
389 | cmd->params.reset.action = cpu_to_le16(CMD_ACT_HALT); | |
390 | usb_tx_block(cardp, cardp->bulk_out_buffer, 4 + S_DS_GEN + sizeof(struct cmd_ds_802_11_reset)); | |
391 | ||
392 | msleep(10); | |
876c9d3a | 393 | ret = usb_reset_device(cardp->udev); |
6d35fdfc | 394 | msleep(10); |
3874d0fe HS |
395 | |
396 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
397 | ||
876c9d3a MT |
398 | return ret; |
399 | } | |
400 | ||
401 | /** | |
402 | * @brief This function transfer the data to the device. | |
69f9032d | 403 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
404 | * @param payload pointer to payload data |
405 | * @param nb data length | |
406 | * @return 0 or -1 | |
407 | */ | |
954ee164 | 408 | static int usb_tx_block(struct usb_card_rec *cardp, u8 * payload, u16 nb) |
876c9d3a | 409 | { |
876c9d3a MT |
410 | int ret = -1; |
411 | ||
412 | /* check if device is removed */ | |
954ee164 | 413 | if (cardp->surprise_removed) { |
9012b28a | 414 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
415 | goto tx_ret; |
416 | } | |
417 | ||
418 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
419 | usb_sndbulkpipe(cardp->udev, | |
420 | cardp->bulk_out_endpointAddr), | |
954ee164 | 421 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
422 | |
423 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
424 | ||
425 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
426 | /* transfer failed */ | |
0856e681 | 427 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
876c9d3a MT |
428 | ret = -1; |
429 | } else { | |
9012b28a | 430 | /* lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb success\n"); */ |
876c9d3a MT |
431 | ret = 0; |
432 | } | |
433 | ||
434 | tx_ret: | |
435 | return ret; | |
436 | } | |
437 | ||
954ee164 DW |
438 | static int __if_usb_submit_rx_urb(struct usb_card_rec *cardp, |
439 | void (*callbackfn)(struct urb *urb)) | |
876c9d3a | 440 | { |
876c9d3a MT |
441 | struct sk_buff *skb; |
442 | struct read_cb_info *rinfo = &cardp->rinfo; | |
443 | int ret = -1; | |
444 | ||
445 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
446 | lbs_pr_err("No free skb\n"); | |
447 | goto rx_ret; | |
448 | } | |
449 | ||
450 | rinfo->skb = skb; | |
451 | ||
452 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
453 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
454 | usb_rcvbulkpipe(cardp->udev, | |
455 | cardp->bulk_in_endpointAddr), | |
4269e2ad | 456 | (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), |
876c9d3a MT |
457 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
458 | rinfo); | |
459 | ||
460 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
461 | ||
9012b28a | 462 | /* lbs_deb_usbd(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); */ |
876c9d3a MT |
463 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
464 | /* handle failure conditions */ | |
0856e681 | 465 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
77d8cf2c DW |
466 | kfree_skb(skb); |
467 | rinfo->skb = NULL; | |
876c9d3a MT |
468 | ret = -1; |
469 | } else { | |
9012b28a | 470 | /* lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB success\n"); */ |
876c9d3a MT |
471 | ret = 0; |
472 | } | |
473 | ||
474 | rx_ret: | |
475 | return ret; | |
476 | } | |
477 | ||
954ee164 | 478 | static int if_usb_submit_rx_urb_fwload(struct usb_card_rec *cardp) |
876c9d3a | 479 | { |
954ee164 | 480 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
481 | } |
482 | ||
954ee164 | 483 | static int if_usb_submit_rx_urb(struct usb_card_rec *cardp) |
876c9d3a | 484 | { |
954ee164 | 485 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
486 | } |
487 | ||
488 | static void if_usb_receive_fwload(struct urb *urb) | |
489 | { | |
490 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
876c9d3a | 491 | struct sk_buff *skb = rinfo->skb; |
954ee164 | 492 | struct usb_card_rec *cardp = (struct usb_card_rec *)rinfo->cardp; |
876c9d3a MT |
493 | struct fwsyncheader *syncfwheader; |
494 | struct bootcmdrespStr bootcmdresp; | |
495 | ||
496 | if (urb->status) { | |
9012b28a | 497 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
498 | "URB status is failed during fw load\n"); |
499 | kfree_skb(skb); | |
500 | return; | |
501 | } | |
502 | ||
503 | if (cardp->bootcmdresp == 0) { | |
504 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, | |
505 | sizeof(bootcmdresp)); | |
981f187b | 506 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 507 | kfree_skb(skb); |
954ee164 | 508 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a | 509 | cardp->bootcmdresp = 1; |
9012b28a | 510 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
511 | "Received valid boot command response\n"); |
512 | return; | |
513 | } | |
981f187b | 514 | if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
6d35fdfc DW |
515 | if (bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_REQUEST) || |
516 | bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_DATA) || | |
517 | bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_INDICATION)) { | |
518 | lbs_pr_info("Firmware already seems alive; resetting\n"); | |
519 | cardp->bootcmdresp = -1; | |
520 | } else { | |
521 | lbs_pr_info("boot cmd response wrong magic number (0x%x)\n", | |
522 | le32_to_cpu(bootcmdresp.u32magicnumber)); | |
523 | } | |
876c9d3a MT |
524 | } else if (bootcmdresp.u8cmd_tag != BOOT_CMD_FW_BY_USB) { |
525 | lbs_pr_info( | |
526 | "boot cmd response cmd_tag error (%d)\n", | |
527 | bootcmdresp.u8cmd_tag); | |
528 | } else if (bootcmdresp.u8result != BOOT_CMD_RESP_OK) { | |
529 | lbs_pr_info( | |
530 | "boot cmd response result error (%d)\n", | |
531 | bootcmdresp.u8result); | |
532 | } else { | |
533 | cardp->bootcmdresp = 1; | |
9012b28a | 534 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
535 | "Received valid boot command response\n"); |
536 | } | |
537 | kfree_skb(skb); | |
954ee164 | 538 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
539 | return; |
540 | } | |
541 | ||
542 | syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC); | |
543 | if (!syncfwheader) { | |
9012b28a | 544 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
545 | kfree_skb(skb); |
546 | return; | |
547 | } | |
548 | ||
549 | memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET, | |
550 | sizeof(struct fwsyncheader)); | |
551 | ||
552 | if (!syncfwheader->cmd) { | |
9012b28a HS |
553 | /* |
554 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 555 | "FW received Blk with correct CRC\n"); |
9012b28a | 556 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
557 | "FW received Blk seqnum = %d\n", |
558 | syncfwheader->seqnum); | |
9012b28a | 559 | */ |
876c9d3a MT |
560 | cardp->CRC_OK = 1; |
561 | } else { | |
9012b28a | 562 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
563 | "FW received Blk with CRC error\n"); |
564 | cardp->CRC_OK = 0; | |
565 | } | |
566 | ||
567 | kfree_skb(skb); | |
568 | ||
569 | if (cardp->fwfinalblk) { | |
570 | cardp->fwdnldover = 1; | |
571 | goto exit; | |
572 | } | |
573 | ||
954ee164 | 574 | if_prog_firmware(cardp); |
876c9d3a | 575 | |
954ee164 | 576 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
577 | exit: |
578 | kfree(syncfwheader); | |
579 | ||
580 | return; | |
581 | ||
582 | } | |
583 | ||
584 | #define MRVDRV_MIN_PKT_LEN 30 | |
585 | ||
586 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
587 | struct usb_card_rec *cardp, | |
69f9032d | 588 | struct lbs_private *priv) |
876c9d3a MT |
589 | { |
590 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + | |
591 | MESSAGE_HEADER_LEN || recvlength < MRVDRV_MIN_PKT_LEN) { | |
9012b28a | 592 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
593 | "Packet length is Invalid\n"); |
594 | kfree_skb(skb); | |
595 | return; | |
596 | } | |
597 | ||
598 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
599 | skb_put(skb, recvlength); | |
600 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
10078321 | 601 | lbs_process_rxed_packet(priv, skb); |
634b8f49 | 602 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a MT |
603 | } |
604 | ||
605 | static inline void process_cmdrequest(int recvlength, u8 *recvbuff, | |
606 | struct sk_buff *skb, | |
607 | struct usb_card_rec *cardp, | |
69f9032d | 608 | struct lbs_private *priv) |
876c9d3a MT |
609 | { |
610 | u8 *cmdbuf; | |
611 | if (recvlength > MRVDRV_SIZE_OF_CMD_BUFFER) { | |
9012b28a | 612 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
613 | "The receive buffer is too large\n"); |
614 | kfree_skb(skb); | |
615 | return; | |
616 | } | |
617 | ||
618 | if (!in_interrupt()) | |
619 | BUG(); | |
620 | ||
aa21c004 | 621 | spin_lock(&priv->driver_lock); |
876c9d3a MT |
622 | /* take care of cur_cmd = NULL case by reading the |
623 | * data to clear the interrupt */ | |
aa21c004 | 624 | if (!priv->cur_cmd) { |
634b8f49 | 625 | cmdbuf = priv->upld_buf; |
aa21c004 | 626 | priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
876c9d3a | 627 | } else |
aa21c004 | 628 | cmdbuf = priv->cur_cmd->bufvirtualaddr; |
876c9d3a | 629 | |
c95c7f93 | 630 | cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY; |
634b8f49 | 631 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a | 632 | memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN, |
634b8f49 | 633 | priv->upld_len); |
876c9d3a MT |
634 | |
635 | kfree_skb(skb); | |
4f679496 | 636 | lbs_interrupt(priv); |
aa21c004 | 637 | spin_unlock(&priv->driver_lock); |
876c9d3a | 638 | |
9012b28a | 639 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
640 | "Wake up main thread to handle cmd response\n"); |
641 | ||
642 | return; | |
643 | } | |
644 | ||
645 | /** | |
646 | * @brief This function reads of the packet into the upload buff, | |
647 | * wake up the main thread and initialise the Rx callack. | |
648 | * | |
649 | * @param urb pointer to struct urb | |
650 | * @return N/A | |
651 | */ | |
652 | static void if_usb_receive(struct urb *urb) | |
653 | { | |
654 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
876c9d3a | 655 | struct sk_buff *skb = rinfo->skb; |
954ee164 | 656 | struct usb_card_rec *cardp = (struct usb_card_rec *) rinfo->cardp; |
69f9032d | 657 | struct lbs_private *priv = cardp->priv; |
876c9d3a MT |
658 | |
659 | int recvlength = urb->actual_length; | |
660 | u8 *recvbuff = NULL; | |
8362cd41 | 661 | u32 recvtype = 0; |
876c9d3a | 662 | |
9012b28a | 663 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
664 | |
665 | if (recvlength) { | |
8362cd41 DW |
666 | __le32 tmp; |
667 | ||
876c9d3a | 668 | if (urb->status) { |
9012b28a | 669 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
670 | "URB status is failed\n"); |
671 | kfree_skb(skb); | |
672 | goto setup_for_next; | |
673 | } | |
674 | ||
675 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
8362cd41 DW |
676 | memcpy(&tmp, recvbuff, sizeof(u32)); |
677 | recvtype = le32_to_cpu(tmp); | |
9012b28a | 678 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
679 | "Recv length = 0x%x, Recv type = 0x%X\n", |
680 | recvlength, recvtype); | |
77d8cf2c DW |
681 | } else if (urb->status) { |
682 | kfree_skb(skb); | |
876c9d3a | 683 | goto rx_exit; |
77d8cf2c | 684 | } |
876c9d3a | 685 | |
876c9d3a MT |
686 | switch (recvtype) { |
687 | case CMD_TYPE_DATA: | |
688 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
689 | break; | |
690 | ||
691 | case CMD_TYPE_REQUEST: | |
692 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
693 | break; | |
694 | ||
695 | case CMD_TYPE_INDICATION: | |
696 | /* Event cause handling */ | |
aa21c004 | 697 | spin_lock(&priv->driver_lock); |
981f187b | 698 | cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN)); |
9012b28a | 699 | lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n", |
876c9d3a MT |
700 | cardp->usb_event_cause); |
701 | if (cardp->usb_event_cause & 0xffff0000) { | |
10078321 | 702 | lbs_send_tx_feedback(priv); |
aa21c004 | 703 | spin_unlock(&priv->driver_lock); |
876c9d3a MT |
704 | break; |
705 | } | |
981f187b | 706 | cardp->usb_event_cause <<= 3; |
c95c7f93 | 707 | cardp->usb_int_cause |= MRVDRV_CARDEVENT; |
876c9d3a | 708 | kfree_skb(skb); |
4f679496 | 709 | lbs_interrupt(priv); |
aa21c004 | 710 | spin_unlock(&priv->driver_lock); |
876c9d3a MT |
711 | goto rx_exit; |
712 | default: | |
8362cd41 DW |
713 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
714 | recvtype); | |
876c9d3a MT |
715 | kfree_skb(skb); |
716 | break; | |
717 | } | |
718 | ||
719 | setup_for_next: | |
954ee164 | 720 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 721 | rx_exit: |
9012b28a | 722 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
723 | } |
724 | ||
725 | /** | |
726 | * @brief This function downloads data to FW | |
69f9032d | 727 | * @param priv pointer to struct lbs_private structure |
876c9d3a MT |
728 | * @param type type of data |
729 | * @param buf pointer to data buffer | |
730 | * @param len number of bytes | |
731 | * @return 0 or -1 | |
732 | */ | |
69f9032d HS |
733 | static int if_usb_host_to_card(struct lbs_private *priv, |
734 | u8 type, | |
735 | u8 *payload, | |
736 | u16 nb) | |
876c9d3a | 737 | { |
634b8f49 | 738 | struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card; |
876c9d3a | 739 | |
9012b28a HS |
740 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
741 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
742 | |
743 | if (type == MVMS_CMD) { | |
8362cd41 | 744 | __le32 tmp = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 745 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a MT |
746 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
747 | MESSAGE_HEADER_LEN); | |
748 | ||
749 | } else { | |
8362cd41 | 750 | __le32 tmp = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 751 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
752 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
753 | MESSAGE_HEADER_LEN); | |
754 | } | |
755 | ||
756 | memcpy((cardp->bulk_out_buffer + MESSAGE_HEADER_LEN), payload, nb); | |
757 | ||
954ee164 | 758 | return usb_tx_block(cardp, cardp->bulk_out_buffer, |
8362cd41 | 759 | nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
760 | } |
761 | ||
aa21c004 | 762 | /* called with priv->driver_lock held */ |
69f9032d | 763 | static int if_usb_get_int_status(struct lbs_private *priv, u8 *ireg) |
876c9d3a | 764 | { |
634b8f49 | 765 | struct usb_card_rec *cardp = priv->card; |
876c9d3a MT |
766 | |
767 | *ireg = cardp->usb_int_cause; | |
768 | cardp->usb_int_cause = 0; | |
769 | ||
9012b28a | 770 | lbs_deb_usbd(&cardp->udev->dev,"Int cause is 0x%X\n", *ireg); |
876c9d3a MT |
771 | |
772 | return 0; | |
773 | } | |
774 | ||
69f9032d | 775 | static int if_usb_read_event_cause(struct lbs_private *priv) |
876c9d3a | 776 | { |
634b8f49 | 777 | struct usb_card_rec *cardp = priv->card; |
954ee164 | 778 | |
aa21c004 | 779 | priv->eventcause = cardp->usb_event_cause; |
876c9d3a | 780 | /* Re-submit rx urb here to avoid event lost issue */ |
954ee164 | 781 | if_usb_submit_rx_urb(cardp); |
876c9d3a MT |
782 | return 0; |
783 | } | |
784 | ||
9e22cb67 DW |
785 | /** |
786 | * @brief This function issues Boot command to the Boot2 code | |
787 | * @param ivalue 1:Boot from FW by USB-Download | |
788 | * 2:Boot from FW in EEPROM | |
789 | * @return 0 | |
790 | */ | |
954ee164 | 791 | static int if_usb_issue_boot_command(struct usb_card_rec *cardp, int ivalue) |
9e22cb67 | 792 | { |
954ee164 | 793 | struct bootcmdstr sbootcmd; |
9e22cb67 DW |
794 | int i; |
795 | ||
796 | /* Prepare command */ | |
797 | sbootcmd.u32magicnumber = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); | |
798 | sbootcmd.u8cmd_tag = ivalue; | |
799 | for (i=0; i<11; i++) | |
800 | sbootcmd.au8dumy[i]=0x00; | |
801 | memcpy(cardp->bulk_out_buffer, &sbootcmd, sizeof(struct bootcmdstr)); | |
802 | ||
803 | /* Issue command */ | |
954ee164 | 804 | usb_tx_block(cardp, cardp->bulk_out_buffer, sizeof(struct bootcmdstr)); |
9e22cb67 DW |
805 | |
806 | return 0; | |
807 | } | |
876c9d3a MT |
808 | |
809 | ||
954ee164 DW |
810 | /** |
811 | * @brief This function checks the validity of Boot2/FW image. | |
812 | * | |
813 | * @param data pointer to image | |
814 | * len image length | |
815 | * @return 0 or -1 | |
816 | */ | |
817 | static int check_fwfile_format(u8 *data, u32 totlen) | |
818 | { | |
819 | u32 bincmd, exit; | |
820 | u32 blksize, offset, len; | |
821 | int ret; | |
822 | ||
823 | ret = 1; | |
824 | exit = len = 0; | |
825 | ||
826 | do { | |
827 | struct fwheader *fwh = (void *)data; | |
828 | ||
829 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
830 | blksize = le32_to_cpu(fwh->datalength); | |
831 | switch (bincmd) { | |
832 | case FW_HAS_DATA_TO_RECV: | |
833 | offset = sizeof(struct fwheader) + blksize; | |
834 | data += offset; | |
835 | len += offset; | |
836 | if (len >= totlen) | |
837 | exit = 1; | |
838 | break; | |
839 | case FW_HAS_LAST_BLOCK: | |
840 | exit = 1; | |
841 | ret = 0; | |
842 | break; | |
843 | default: | |
844 | exit = 1; | |
845 | break; | |
846 | } | |
847 | } while (!exit); | |
848 | ||
849 | if (ret) | |
850 | lbs_pr_err("firmware file format check FAIL\n"); | |
851 | else | |
852 | lbs_deb_fw("firmware file format check PASS\n"); | |
853 | ||
854 | return ret; | |
855 | } | |
856 | ||
857 | ||
858 | static int if_usb_prog_firmware(struct usb_card_rec *cardp) | |
876c9d3a | 859 | { |
876c9d3a MT |
860 | int i = 0; |
861 | static int reset_count = 10; | |
9012b28a | 862 | int ret = 0; |
876c9d3a | 863 | |
9012b28a | 864 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 865 | |
10078321 | 866 | if ((ret = request_firmware(&cardp->fw, lbs_fw_name, |
954ee164 DW |
867 | &cardp->udev->dev)) < 0) { |
868 | lbs_pr_err("request_firmware() failed with %#x\n", ret); | |
10078321 | 869 | lbs_pr_err("firmware %s not found\n", lbs_fw_name); |
954ee164 DW |
870 | goto done; |
871 | } | |
872 | ||
873 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) | |
874 | goto release_fw; | |
876c9d3a MT |
875 | |
876 | restart: | |
954ee164 | 877 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a HS |
878 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
879 | ret = -1; | |
954ee164 | 880 | goto release_fw; |
876c9d3a MT |
881 | } |
882 | ||
876c9d3a MT |
883 | cardp->bootcmdresp = 0; |
884 | do { | |
885 | int j = 0; | |
886 | i++; | |
887 | /* Issue Boot command = 1, Boot from Download-FW */ | |
954ee164 | 888 | if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB); |
876c9d3a MT |
889 | /* wait for command response */ |
890 | do { | |
891 | j++; | |
892 | msleep_interruptible(100); | |
893 | } while (cardp->bootcmdresp == 0 && j < 10); | |
894 | } while (cardp->bootcmdresp == 0 && i < 5); | |
895 | ||
6d35fdfc | 896 | if (cardp->bootcmdresp <= 0) { |
876c9d3a | 897 | if (--reset_count >= 0) { |
954ee164 | 898 | if_usb_reset_device(cardp); |
876c9d3a MT |
899 | goto restart; |
900 | } | |
901 | return -1; | |
902 | } | |
876c9d3a MT |
903 | |
904 | i = 0; | |
876c9d3a MT |
905 | |
906 | cardp->totalbytes = 0; | |
907 | cardp->fwlastblksent = 0; | |
908 | cardp->CRC_OK = 1; | |
909 | cardp->fwdnldover = 0; | |
910 | cardp->fwseqnum = -1; | |
911 | cardp->totalbytes = 0; | |
912 | cardp->fwfinalblk = 0; | |
913 | ||
954ee164 | 914 | if_prog_firmware(cardp); |
876c9d3a MT |
915 | |
916 | do { | |
9012b28a | 917 | lbs_deb_usbd(&cardp->udev->dev,"Wlan sched timeout\n"); |
876c9d3a MT |
918 | i++; |
919 | msleep_interruptible(100); | |
954ee164 | 920 | if (cardp->surprise_removed || i >= 20) |
876c9d3a MT |
921 | break; |
922 | } while (!cardp->fwdnldover); | |
923 | ||
924 | if (!cardp->fwdnldover) { | |
925 | lbs_pr_info("failed to load fw, resetting device!\n"); | |
926 | if (--reset_count >= 0) { | |
954ee164 | 927 | if_usb_reset_device(cardp); |
876c9d3a MT |
928 | goto restart; |
929 | } | |
930 | ||
931 | lbs_pr_info("FW download failure, time = %d ms\n", i * 100); | |
9012b28a | 932 | ret = -1; |
954ee164 | 933 | goto release_fw; |
876c9d3a MT |
934 | } |
935 | ||
954ee164 DW |
936 | release_fw: |
937 | release_firmware(cardp->fw); | |
938 | cardp->fw = NULL; | |
876c9d3a | 939 | |
9012b28a HS |
940 | done: |
941 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
942 | return ret; | |
876c9d3a MT |
943 | } |
944 | ||
1df4e8fe | 945 | |
876c9d3a MT |
946 | #ifdef CONFIG_PM |
947 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
948 | { | |
949 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 950 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 951 | |
9012b28a | 952 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 953 | |
aa21c004 | 954 | if (priv->psstate != PS_STATE_FULL_POWER) |
876c9d3a MT |
955 | return -1; |
956 | ||
d21b31fd LCC |
957 | if (priv->mesh_dev && !priv->mesh_autostart_enabled) { |
958 | /* Mesh autostart must be activated while sleeping | |
959 | * On resume it will go back to the current state | |
960 | */ | |
961 | struct cmd_ds_mesh_access mesh_access; | |
962 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
963 | mesh_access.data[0] = cpu_to_le32(1); | |
10078321 | 964 | lbs_prepare_and_send_command(priv, |
d21b31fd LCC |
965 | CMD_MESH_ACCESS, |
966 | CMD_ACT_MESH_SET_AUTOSTART_ENABLED, | |
967 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
968 | } | |
969 | ||
876c9d3a | 970 | netif_device_detach(cardp->eth_dev); |
51d84f50 | 971 | netif_device_detach(priv->mesh_dev); |
876c9d3a MT |
972 | |
973 | /* Unlink tx & rx urb */ | |
974 | usb_kill_urb(cardp->tx_urb); | |
975 | usb_kill_urb(cardp->rx_urb); | |
976 | ||
977 | cardp->rx_urb_recall = 1; | |
978 | ||
9012b28a | 979 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
980 | return 0; |
981 | } | |
982 | ||
983 | static int if_usb_resume(struct usb_interface *intf) | |
984 | { | |
985 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 986 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 987 | |
9012b28a | 988 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
989 | |
990 | cardp->rx_urb_recall = 0; | |
991 | ||
992 | if_usb_submit_rx_urb(cardp->priv); | |
993 | ||
994 | netif_device_attach(cardp->eth_dev); | |
51d84f50 | 995 | netif_device_attach(priv->mesh_dev); |
876c9d3a | 996 | |
d21b31fd LCC |
997 | if (priv->mesh_dev && !priv->mesh_autostart_enabled) { |
998 | /* Mesh autostart was activated while sleeping | |
999 | * Disable it if appropriate | |
1000 | */ | |
1001 | struct cmd_ds_mesh_access mesh_access; | |
1002 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
1003 | mesh_access.data[0] = cpu_to_le32(0); | |
10078321 | 1004 | lbs_prepare_and_send_command(priv, |
d21b31fd LCC |
1005 | CMD_MESH_ACCESS, |
1006 | CMD_ACT_MESH_SET_AUTOSTART_ENABLED, | |
1007 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
1008 | } | |
1009 | ||
9012b28a | 1010 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1011 | return 0; |
1012 | } | |
1013 | #else | |
1014 | #define if_usb_suspend NULL | |
1015 | #define if_usb_resume NULL | |
1016 | #endif | |
1017 | ||
1018 | static struct usb_driver if_usb_driver = { | |
798fbfec | 1019 | .name = DRV_NAME, |
876c9d3a | 1020 | .probe = if_usb_probe, |
876c9d3a | 1021 | .disconnect = if_usb_disconnect, |
876c9d3a MT |
1022 | .id_table = if_usb_table, |
1023 | .suspend = if_usb_suspend, | |
1024 | .resume = if_usb_resume, | |
1025 | }; | |
1026 | ||
4fb910fd | 1027 | static int __init if_usb_init_module(void) |
876c9d3a | 1028 | { |
084708b6 | 1029 | int ret = 0; |
876c9d3a | 1030 | |
084708b6 HS |
1031 | lbs_deb_enter(LBS_DEB_MAIN); |
1032 | ||
084708b6 HS |
1033 | ret = usb_register(&if_usb_driver); |
1034 | ||
1035 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1036 | return ret; | |
876c9d3a MT |
1037 | } |
1038 | ||
4fb910fd | 1039 | static void __exit if_usb_exit_module(void) |
876c9d3a | 1040 | { |
084708b6 HS |
1041 | lbs_deb_enter(LBS_DEB_MAIN); |
1042 | ||
876c9d3a | 1043 | usb_deregister(&if_usb_driver); |
084708b6 HS |
1044 | |
1045 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 1046 | } |
084708b6 HS |
1047 | |
1048 | module_init(if_usb_init_module); | |
1049 | module_exit(if_usb_exit_module); | |
1050 | ||
1051 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
1052 | MODULE_AUTHOR("Marvell International Ltd."); | |
1053 | MODULE_LICENSE("GPL"); |