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" | |
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 | ||
2fd6cfe3 | 116 | static void if_usb_fw_timeo(unsigned long priv) |
4f82f5c8 DW |
117 | { |
118 | struct usb_card_rec *cardp = (void *)priv; | |
04c80f1a | 119 | |
4f82f5c8 DW |
120 | if (cardp->fwdnldover) { |
121 | lbs_deb_usb("Download complete, no event. Assuming success\n"); | |
122 | } else { | |
123 | lbs_pr_err("Download timed out\n"); | |
124 | cardp->surprise_removed = 1; | |
125 | } | |
126 | wake_up(&cardp->fw_wq); | |
127 | } | |
876c9d3a MT |
128 | /** |
129 | * @brief sets the configuration values | |
130 | * @param ifnum interface number | |
131 | * @param id pointer to usb_device_id | |
132 | * @return 0 on success, error code on failure | |
133 | */ | |
134 | static int if_usb_probe(struct usb_interface *intf, | |
135 | const struct usb_device_id *id) | |
136 | { | |
137 | struct usb_device *udev; | |
138 | struct usb_host_interface *iface_desc; | |
139 | struct usb_endpoint_descriptor *endpoint; | |
69f9032d | 140 | struct lbs_private *priv; |
435a1acb | 141 | struct usb_card_rec *cardp; |
876c9d3a MT |
142 | int i; |
143 | ||
144 | udev = interface_to_usbdev(intf); | |
145 | ||
435a1acb HS |
146 | cardp = kzalloc(sizeof(struct usb_card_rec), GFP_KERNEL); |
147 | if (!cardp) { | |
876c9d3a MT |
148 | lbs_pr_err("Out of memory allocating private data.\n"); |
149 | goto error; | |
150 | } | |
151 | ||
4f82f5c8 DW |
152 | setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp); |
153 | init_waitqueue_head(&cardp->fw_wq); | |
154 | ||
435a1acb | 155 | cardp->udev = udev; |
876c9d3a MT |
156 | iface_desc = intf->cur_altsetting; |
157 | ||
9012b28a | 158 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
876c9d3a | 159 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
981f187b DW |
160 | le16_to_cpu(udev->descriptor.bcdUSB), |
161 | udev->descriptor.bDeviceClass, | |
162 | udev->descriptor.bDeviceSubClass, | |
163 | udev->descriptor.bDeviceProtocol); | |
876c9d3a MT |
164 | |
165 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
166 | endpoint = &iface_desc->endpoint[i].desc; | |
167 | if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) | |
168 | && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
169 | USB_ENDPOINT_XFER_BULK)) { | |
170 | /* we found a bulk in endpoint */ | |
9012b28a | 171 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", |
981f187b DW |
172 | le16_to_cpu(endpoint->wMaxPacketSize)); |
173 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
9012b28a | 174 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
175 | "Rx URB allocation failed\n"); |
176 | goto dealloc; | |
177 | } | |
435a1acb | 178 | cardp->bulk_in_size = |
981f187b | 179 | le16_to_cpu(endpoint->wMaxPacketSize); |
435a1acb | 180 | cardp->bulk_in_endpointAddr = |
876c9d3a MT |
181 | (endpoint-> |
182 | bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); | |
9012b28a | 183 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", |
876c9d3a MT |
184 | endpoint->bEndpointAddress); |
185 | } | |
186 | ||
187 | if (((endpoint-> | |
188 | bEndpointAddress & USB_ENDPOINT_DIR_MASK) == | |
189 | USB_DIR_OUT) | |
190 | && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
191 | USB_ENDPOINT_XFER_BULK)) { | |
192 | /* We found bulk out endpoint */ | |
981f187b | 193 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { |
9012b28a | 194 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
195 | "Tx URB allocation failed\n"); |
196 | goto dealloc; | |
197 | } | |
198 | ||
435a1acb | 199 | cardp->bulk_out_size = |
981f187b | 200 | le16_to_cpu(endpoint->wMaxPacketSize); |
9012b28a | 201 | lbs_deb_usbd(&udev->dev, |
981f187b DW |
202 | "Bulk out size is %d\n", |
203 | le16_to_cpu(endpoint->wMaxPacketSize)); | |
435a1acb | 204 | cardp->bulk_out_endpointAddr = |
876c9d3a | 205 | endpoint->bEndpointAddress; |
9012b28a | 206 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", |
876c9d3a | 207 | endpoint->bEndpointAddress); |
435a1acb | 208 | cardp->bulk_out_buffer = |
876c9d3a MT |
209 | kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, |
210 | GFP_KERNEL); | |
211 | ||
435a1acb | 212 | if (!cardp->bulk_out_buffer) { |
9012b28a | 213 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
214 | "Could not allocate buffer\n"); |
215 | goto dealloc; | |
216 | } | |
217 | } | |
218 | } | |
219 | ||
954ee164 DW |
220 | /* Upload firmware */ |
221 | cardp->rinfo.cardp = cardp; | |
222 | if (if_usb_prog_firmware(cardp)) { | |
223 | lbs_deb_usbd(&udev->dev, "FW upload failed"); | |
224 | goto err_prog_firmware; | |
225 | } | |
226 | ||
10078321 | 227 | if (!(priv = lbs_add_card(cardp, &udev->dev))) |
954ee164 | 228 | goto err_prog_firmware; |
3874d0fe | 229 | |
954ee164 | 230 | cardp->priv = priv; |
c9cd6f9d | 231 | cardp->priv->fw_ready = 1; |
965f8bbc | 232 | |
208fdd2f HS |
233 | priv->hw_host_to_card = if_usb_host_to_card; |
234 | priv->hw_get_int_status = if_usb_get_int_status; | |
235 | priv->hw_read_event_cause = if_usb_read_event_cause; | |
c2df2efe | 236 | priv->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 237 | |
954ee164 | 238 | if_usb_submit_rx_urb(cardp); |
954ee164 | 239 | |
10078321 | 240 | if (lbs_start_card(priv)) |
954ee164 | 241 | goto err_start_card; |
32a74b7c | 242 | |
04c80f1a | 243 | if_usb_set_boot2_ver(priv); |
2c94404c | 244 | |
876c9d3a | 245 | usb_get_dev(udev); |
435a1acb | 246 | usb_set_intfdata(intf, cardp); |
876c9d3a | 247 | |
876c9d3a MT |
248 | return 0; |
249 | ||
954ee164 | 250 | err_start_card: |
10078321 | 251 | lbs_remove_card(priv); |
954ee164 DW |
252 | err_prog_firmware: |
253 | if_usb_reset_device(cardp); | |
876c9d3a | 254 | dealloc: |
435a1acb | 255 | if_usb_free(cardp); |
876c9d3a MT |
256 | |
257 | error: | |
258 | return -ENOMEM; | |
259 | } | |
260 | ||
261 | /** | |
262 | * @brief free resource and cleanup | |
435a1acb | 263 | * @param intf USB interface structure |
876c9d3a MT |
264 | * @return N/A |
265 | */ | |
266 | static void if_usb_disconnect(struct usb_interface *intf) | |
267 | { | |
268 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 269 | struct lbs_private *priv = (struct lbs_private *) cardp->priv; |
876c9d3a | 270 | |
954ee164 | 271 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 272 | |
954ee164 DW |
273 | /* Update Surprise removed to TRUE */ |
274 | cardp->surprise_removed = 1; | |
876c9d3a | 275 | |
954ee164 | 276 | if (priv) { |
954ee164 | 277 | |
aa21c004 | 278 | priv->surpriseremoved = 1; |
10078321 | 279 | lbs_stop_card(priv); |
10078321 | 280 | lbs_remove_card(priv); |
954ee164 | 281 | } |
876c9d3a | 282 | |
be13f189 AS |
283 | /* this is (apparently?) necessary for future usage of the device */ |
284 | lbs_prepare_and_send_command(priv, CMD_802_11_RESET, CMD_ACT_HALT, | |
285 | 0, 0, NULL); | |
286 | ||
876c9d3a MT |
287 | /* Unlink and free urb */ |
288 | if_usb_free(cardp); | |
289 | ||
290 | usb_set_intfdata(intf, NULL); | |
291 | usb_put_dev(interface_to_usbdev(intf)); | |
292 | ||
954ee164 | 293 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
294 | } |
295 | ||
296 | /** | |
297 | * @brief This function download FW | |
69f9032d | 298 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
299 | * @return 0 |
300 | */ | |
4f82f5c8 | 301 | static int if_usb_send_fw_pkt(struct usb_card_rec *cardp) |
876c9d3a | 302 | { |
876c9d3a MT |
303 | struct FWData *fwdata; |
304 | struct fwheader *fwheader; | |
954ee164 | 305 | u8 *firmware = cardp->fw->data; |
876c9d3a MT |
306 | |
307 | fwdata = kmalloc(sizeof(struct FWData), GFP_ATOMIC); | |
308 | ||
309 | if (!fwdata) | |
310 | return -1; | |
311 | ||
312 | fwheader = &fwdata->fwheader; | |
313 | ||
314 | if (!cardp->CRC_OK) { | |
315 | cardp->totalbytes = cardp->fwlastblksent; | |
316 | cardp->fwseqnum = cardp->lastseqnum - 1; | |
317 | } | |
318 | ||
9012b28a HS |
319 | /* |
320 | lbs_deb_usbd(&cardp->udev->dev, "totalbytes = %d\n", | |
876c9d3a | 321 | cardp->totalbytes); |
9012b28a | 322 | */ |
876c9d3a MT |
323 | |
324 | memcpy(fwheader, &firmware[cardp->totalbytes], | |
325 | sizeof(struct fwheader)); | |
326 | ||
327 | cardp->fwlastblksent = cardp->totalbytes; | |
328 | cardp->totalbytes += sizeof(struct fwheader); | |
329 | ||
9012b28a | 330 | /* lbs_deb_usbd(&cardp->udev->dev,"Copy Data\n"); */ |
876c9d3a | 331 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
981f187b | 332 | le32_to_cpu(fwdata->fwheader.datalength)); |
876c9d3a | 333 | |
9012b28a HS |
334 | /* |
335 | lbs_deb_usbd(&cardp->udev->dev, | |
bb793e2b | 336 | "Data length = %d\n", le32_to_cpu(fwdata->fwheader.datalength)); |
9012b28a | 337 | */ |
876c9d3a MT |
338 | |
339 | cardp->fwseqnum = cardp->fwseqnum + 1; | |
340 | ||
981f187b DW |
341 | fwdata->seqnum = cpu_to_le32(cardp->fwseqnum); |
342 | cardp->lastseqnum = cardp->fwseqnum; | |
343 | cardp->totalbytes += le32_to_cpu(fwdata->fwheader.datalength); | |
876c9d3a | 344 | |
981f187b | 345 | if (fwheader->dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { |
9012b28a | 346 | /* |
981f187b | 347 | lbs_deb_usbd(&cardp->udev->dev, "There are data to follow\n"); |
9012b28a | 348 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
349 | "seqnum = %d totalbytes = %d\n", cardp->fwseqnum, |
350 | cardp->totalbytes); | |
9012b28a | 351 | */ |
876c9d3a | 352 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
954ee164 | 353 | usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); |
876c9d3a | 354 | |
bb793e2b | 355 | } else if (fwdata->fwheader.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { |
9012b28a HS |
356 | /* |
357 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 358 | "Host has finished FW downloading\n"); |
9012b28a | 359 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 360 | "Donwloading FW JUMP BLOCK\n"); |
9012b28a | 361 | */ |
876c9d3a | 362 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
954ee164 | 363 | usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); |
876c9d3a MT |
364 | cardp->fwfinalblk = 1; |
365 | } | |
366 | ||
9012b28a HS |
367 | /* |
368 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a MT |
369 | "The firmware download is done size is %d\n", |
370 | cardp->totalbytes); | |
9012b28a | 371 | */ |
876c9d3a MT |
372 | |
373 | kfree(fwdata); | |
374 | ||
375 | return 0; | |
376 | } | |
377 | ||
954ee164 | 378 | static int if_usb_reset_device(struct usb_card_rec *cardp) |
876c9d3a | 379 | { |
6d35fdfc | 380 | struct cmd_ds_command *cmd = (void *)&cardp->bulk_out_buffer[4]; |
876c9d3a | 381 | int ret; |
876c9d3a | 382 | |
3874d0fe HS |
383 | lbs_deb_enter(LBS_DEB_USB); |
384 | ||
6d35fdfc DW |
385 | *(__le32 *)cardp->bulk_out_buffer = cpu_to_le32(CMD_TYPE_REQUEST); |
386 | ||
387 | cmd->command = cpu_to_le16(CMD_802_11_RESET); | |
388 | cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN); | |
389 | cmd->result = cpu_to_le16(0); | |
390 | cmd->seqnum = cpu_to_le16(0x5a5a); | |
391 | cmd->params.reset.action = cpu_to_le16(CMD_ACT_HALT); | |
392 | usb_tx_block(cardp, cardp->bulk_out_buffer, 4 + S_DS_GEN + sizeof(struct cmd_ds_802_11_reset)); | |
393 | ||
c8ba39d0 | 394 | msleep(100); |
876c9d3a | 395 | ret = usb_reset_device(cardp->udev); |
c8ba39d0 | 396 | msleep(100); |
3874d0fe HS |
397 | |
398 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
399 | ||
876c9d3a MT |
400 | return ret; |
401 | } | |
402 | ||
403 | /** | |
404 | * @brief This function transfer the data to the device. | |
69f9032d | 405 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
406 | * @param payload pointer to payload data |
407 | * @param nb data length | |
408 | * @return 0 or -1 | |
409 | */ | |
954ee164 | 410 | static int usb_tx_block(struct usb_card_rec *cardp, u8 * payload, u16 nb) |
876c9d3a | 411 | { |
876c9d3a MT |
412 | int ret = -1; |
413 | ||
414 | /* check if device is removed */ | |
954ee164 | 415 | if (cardp->surprise_removed) { |
9012b28a | 416 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
417 | goto tx_ret; |
418 | } | |
419 | ||
420 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
421 | usb_sndbulkpipe(cardp->udev, | |
422 | cardp->bulk_out_endpointAddr), | |
954ee164 | 423 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
424 | |
425 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
426 | ||
427 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
428 | /* transfer failed */ | |
0856e681 | 429 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
876c9d3a MT |
430 | ret = -1; |
431 | } else { | |
9012b28a | 432 | /* lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb success\n"); */ |
876c9d3a MT |
433 | ret = 0; |
434 | } | |
435 | ||
436 | tx_ret: | |
437 | return ret; | |
438 | } | |
439 | ||
954ee164 DW |
440 | static int __if_usb_submit_rx_urb(struct usb_card_rec *cardp, |
441 | void (*callbackfn)(struct urb *urb)) | |
876c9d3a | 442 | { |
876c9d3a MT |
443 | struct sk_buff *skb; |
444 | struct read_cb_info *rinfo = &cardp->rinfo; | |
445 | int ret = -1; | |
446 | ||
447 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
448 | lbs_pr_err("No free skb\n"); | |
449 | goto rx_ret; | |
450 | } | |
451 | ||
452 | rinfo->skb = skb; | |
453 | ||
454 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
455 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
456 | usb_rcvbulkpipe(cardp->udev, | |
457 | cardp->bulk_in_endpointAddr), | |
4269e2ad | 458 | (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), |
876c9d3a MT |
459 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
460 | rinfo); | |
461 | ||
462 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
463 | ||
9012b28a | 464 | /* lbs_deb_usbd(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); */ |
876c9d3a MT |
465 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
466 | /* handle failure conditions */ | |
0856e681 | 467 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
77d8cf2c DW |
468 | kfree_skb(skb); |
469 | rinfo->skb = NULL; | |
876c9d3a MT |
470 | ret = -1; |
471 | } else { | |
9012b28a | 472 | /* lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB success\n"); */ |
876c9d3a MT |
473 | ret = 0; |
474 | } | |
475 | ||
476 | rx_ret: | |
477 | return ret; | |
478 | } | |
479 | ||
954ee164 | 480 | static int if_usb_submit_rx_urb_fwload(struct usb_card_rec *cardp) |
876c9d3a | 481 | { |
954ee164 | 482 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
483 | } |
484 | ||
954ee164 | 485 | static int if_usb_submit_rx_urb(struct usb_card_rec *cardp) |
876c9d3a | 486 | { |
954ee164 | 487 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
488 | } |
489 | ||
490 | static void if_usb_receive_fwload(struct urb *urb) | |
491 | { | |
492 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
876c9d3a | 493 | struct sk_buff *skb = rinfo->skb; |
954ee164 | 494 | struct usb_card_rec *cardp = (struct usb_card_rec *)rinfo->cardp; |
876c9d3a MT |
495 | struct fwsyncheader *syncfwheader; |
496 | struct bootcmdrespStr bootcmdresp; | |
497 | ||
498 | if (urb->status) { | |
9012b28a | 499 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
500 | "URB status is failed during fw load\n"); |
501 | kfree_skb(skb); | |
502 | return; | |
503 | } | |
504 | ||
c9cd6f9d DW |
505 | if (cardp->fwdnldover) { |
506 | __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
507 | ||
508 | if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && | |
509 | tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { | |
510 | lbs_pr_info("Firmware ready event received\n"); | |
511 | wake_up(&cardp->fw_wq); | |
512 | } else { | |
513 | lbs_deb_usb("Waiting for confirmation; got %x %x\n", le32_to_cpu(tmp[0]), | |
514 | le32_to_cpu(tmp[1])); | |
515 | if_usb_submit_rx_urb_fwload(cardp); | |
516 | } | |
517 | kfree_skb(skb); | |
518 | return; | |
519 | } | |
c8ba39d0 | 520 | if (cardp->bootcmdresp <= 0) { |
876c9d3a MT |
521 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, |
522 | sizeof(bootcmdresp)); | |
981f187b | 523 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 524 | kfree_skb(skb); |
954ee164 | 525 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a | 526 | cardp->bootcmdresp = 1; |
9012b28a | 527 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
528 | "Received valid boot command response\n"); |
529 | return; | |
530 | } | |
981f187b | 531 | if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
6d35fdfc DW |
532 | if (bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_REQUEST) || |
533 | bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_DATA) || | |
534 | bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_INDICATION)) { | |
c9cd6f9d DW |
535 | if (!cardp->bootcmdresp) |
536 | lbs_pr_info("Firmware already seems alive; resetting\n"); | |
6d35fdfc DW |
537 | cardp->bootcmdresp = -1; |
538 | } else { | |
539 | lbs_pr_info("boot cmd response wrong magic number (0x%x)\n", | |
540 | le32_to_cpu(bootcmdresp.u32magicnumber)); | |
541 | } | |
876c9d3a MT |
542 | } else if (bootcmdresp.u8cmd_tag != BOOT_CMD_FW_BY_USB) { |
543 | lbs_pr_info( | |
544 | "boot cmd response cmd_tag error (%d)\n", | |
545 | bootcmdresp.u8cmd_tag); | |
546 | } else if (bootcmdresp.u8result != BOOT_CMD_RESP_OK) { | |
547 | lbs_pr_info( | |
548 | "boot cmd response result error (%d)\n", | |
549 | bootcmdresp.u8result); | |
550 | } else { | |
551 | cardp->bootcmdresp = 1; | |
9012b28a | 552 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
553 | "Received valid boot command response\n"); |
554 | } | |
555 | kfree_skb(skb); | |
954ee164 | 556 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
557 | return; |
558 | } | |
559 | ||
560 | syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC); | |
561 | if (!syncfwheader) { | |
9012b28a | 562 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
563 | kfree_skb(skb); |
564 | return; | |
565 | } | |
566 | ||
567 | memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET, | |
568 | sizeof(struct fwsyncheader)); | |
569 | ||
570 | if (!syncfwheader->cmd) { | |
9012b28a HS |
571 | /* |
572 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 573 | "FW received Blk with correct CRC\n"); |
9012b28a | 574 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
575 | "FW received Blk seqnum = %d\n", |
576 | syncfwheader->seqnum); | |
9012b28a | 577 | */ |
876c9d3a MT |
578 | cardp->CRC_OK = 1; |
579 | } else { | |
9012b28a | 580 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
581 | "FW received Blk with CRC error\n"); |
582 | cardp->CRC_OK = 0; | |
583 | } | |
584 | ||
585 | kfree_skb(skb); | |
586 | ||
4f82f5c8 DW |
587 | /* reschedule timer for 200ms hence */ |
588 | mod_timer(&cardp->fw_timeout, jiffies + (HZ/5)); | |
589 | ||
876c9d3a MT |
590 | if (cardp->fwfinalblk) { |
591 | cardp->fwdnldover = 1; | |
592 | goto exit; | |
593 | } | |
594 | ||
4f82f5c8 | 595 | if_usb_send_fw_pkt(cardp); |
876c9d3a | 596 | |
4f82f5c8 | 597 | exit: |
c9cd6f9d DW |
598 | if_usb_submit_rx_urb_fwload(cardp); |
599 | ||
876c9d3a MT |
600 | kfree(syncfwheader); |
601 | ||
602 | return; | |
876c9d3a MT |
603 | } |
604 | ||
605 | #define MRVDRV_MIN_PKT_LEN 30 | |
606 | ||
607 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
608 | struct usb_card_rec *cardp, | |
69f9032d | 609 | struct lbs_private *priv) |
876c9d3a MT |
610 | { |
611 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + | |
612 | MESSAGE_HEADER_LEN || recvlength < MRVDRV_MIN_PKT_LEN) { | |
9012b28a | 613 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
614 | "Packet length is Invalid\n"); |
615 | kfree_skb(skb); | |
616 | return; | |
617 | } | |
618 | ||
619 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
620 | skb_put(skb, recvlength); | |
621 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
10078321 | 622 | lbs_process_rxed_packet(priv, skb); |
634b8f49 | 623 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a MT |
624 | } |
625 | ||
626 | static inline void process_cmdrequest(int recvlength, u8 *recvbuff, | |
627 | struct sk_buff *skb, | |
628 | struct usb_card_rec *cardp, | |
69f9032d | 629 | struct lbs_private *priv) |
876c9d3a MT |
630 | { |
631 | u8 *cmdbuf; | |
ddac4526 | 632 | if (recvlength > LBS_CMD_BUFFER_SIZE) { |
9012b28a | 633 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
634 | "The receive buffer is too large\n"); |
635 | kfree_skb(skb); | |
636 | return; | |
637 | } | |
638 | ||
639 | if (!in_interrupt()) | |
640 | BUG(); | |
641 | ||
aa21c004 | 642 | spin_lock(&priv->driver_lock); |
876c9d3a MT |
643 | /* take care of cur_cmd = NULL case by reading the |
644 | * data to clear the interrupt */ | |
aa21c004 | 645 | if (!priv->cur_cmd) { |
e1258177 | 646 | lbs_deb_hex(LBS_DEB_HOST, "Unsolicited CMD_RESP", (void *) recvbuff + MESSAGE_HEADER_LEN, priv->upld_len); |
634b8f49 | 647 | cmdbuf = priv->upld_buf; |
aa21c004 | 648 | priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
876c9d3a | 649 | } else |
ddac4526 | 650 | cmdbuf = (u8 *) priv->cur_cmd->cmdbuf; |
876c9d3a | 651 | |
c95c7f93 | 652 | cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY; |
634b8f49 | 653 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a | 654 | memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN, |
634b8f49 | 655 | priv->upld_len); |
876c9d3a MT |
656 | |
657 | kfree_skb(skb); | |
4f679496 | 658 | lbs_interrupt(priv); |
aa21c004 | 659 | spin_unlock(&priv->driver_lock); |
876c9d3a | 660 | |
9012b28a | 661 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
662 | "Wake up main thread to handle cmd response\n"); |
663 | ||
664 | return; | |
665 | } | |
666 | ||
667 | /** | |
668 | * @brief This function reads of the packet into the upload buff, | |
669 | * wake up the main thread and initialise the Rx callack. | |
670 | * | |
671 | * @param urb pointer to struct urb | |
672 | * @return N/A | |
673 | */ | |
674 | static void if_usb_receive(struct urb *urb) | |
675 | { | |
676 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
876c9d3a | 677 | struct sk_buff *skb = rinfo->skb; |
954ee164 | 678 | struct usb_card_rec *cardp = (struct usb_card_rec *) rinfo->cardp; |
69f9032d | 679 | struct lbs_private *priv = cardp->priv; |
876c9d3a MT |
680 | |
681 | int recvlength = urb->actual_length; | |
682 | u8 *recvbuff = NULL; | |
8362cd41 | 683 | u32 recvtype = 0; |
876c9d3a | 684 | |
9012b28a | 685 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
686 | |
687 | if (recvlength) { | |
8362cd41 DW |
688 | __le32 tmp; |
689 | ||
876c9d3a | 690 | if (urb->status) { |
9012b28a | 691 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
692 | "URB status is failed\n"); |
693 | kfree_skb(skb); | |
694 | goto setup_for_next; | |
695 | } | |
696 | ||
697 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
8362cd41 DW |
698 | memcpy(&tmp, recvbuff, sizeof(u32)); |
699 | recvtype = le32_to_cpu(tmp); | |
9012b28a | 700 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
701 | "Recv length = 0x%x, Recv type = 0x%X\n", |
702 | recvlength, recvtype); | |
77d8cf2c DW |
703 | } else if (urb->status) { |
704 | kfree_skb(skb); | |
876c9d3a | 705 | goto rx_exit; |
77d8cf2c | 706 | } |
876c9d3a | 707 | |
876c9d3a MT |
708 | switch (recvtype) { |
709 | case CMD_TYPE_DATA: | |
710 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
711 | break; | |
712 | ||
713 | case CMD_TYPE_REQUEST: | |
714 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
715 | break; | |
716 | ||
717 | case CMD_TYPE_INDICATION: | |
718 | /* Event cause handling */ | |
aa21c004 | 719 | spin_lock(&priv->driver_lock); |
981f187b | 720 | cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN)); |
9012b28a | 721 | lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n", |
876c9d3a MT |
722 | cardp->usb_event_cause); |
723 | if (cardp->usb_event_cause & 0xffff0000) { | |
10078321 | 724 | lbs_send_tx_feedback(priv); |
aa21c004 | 725 | spin_unlock(&priv->driver_lock); |
876c9d3a MT |
726 | break; |
727 | } | |
981f187b | 728 | cardp->usb_event_cause <<= 3; |
c95c7f93 | 729 | cardp->usb_int_cause |= MRVDRV_CARDEVENT; |
876c9d3a | 730 | kfree_skb(skb); |
4f679496 | 731 | lbs_interrupt(priv); |
aa21c004 | 732 | spin_unlock(&priv->driver_lock); |
876c9d3a MT |
733 | goto rx_exit; |
734 | default: | |
8362cd41 DW |
735 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
736 | recvtype); | |
876c9d3a MT |
737 | kfree_skb(skb); |
738 | break; | |
739 | } | |
740 | ||
741 | setup_for_next: | |
954ee164 | 742 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 743 | rx_exit: |
9012b28a | 744 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
745 | } |
746 | ||
747 | /** | |
748 | * @brief This function downloads data to FW | |
69f9032d | 749 | * @param priv pointer to struct lbs_private structure |
876c9d3a MT |
750 | * @param type type of data |
751 | * @param buf pointer to data buffer | |
752 | * @param len number of bytes | |
753 | * @return 0 or -1 | |
754 | */ | |
69f9032d HS |
755 | static int if_usb_host_to_card(struct lbs_private *priv, |
756 | u8 type, | |
757 | u8 *payload, | |
758 | u16 nb) | |
876c9d3a | 759 | { |
634b8f49 | 760 | struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card; |
876c9d3a | 761 | |
9012b28a HS |
762 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
763 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
764 | |
765 | if (type == MVMS_CMD) { | |
8362cd41 | 766 | __le32 tmp = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 767 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a MT |
768 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
769 | MESSAGE_HEADER_LEN); | |
770 | ||
771 | } else { | |
8362cd41 | 772 | __le32 tmp = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 773 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
774 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
775 | MESSAGE_HEADER_LEN); | |
776 | } | |
777 | ||
778 | memcpy((cardp->bulk_out_buffer + MESSAGE_HEADER_LEN), payload, nb); | |
779 | ||
954ee164 | 780 | return usb_tx_block(cardp, cardp->bulk_out_buffer, |
8362cd41 | 781 | nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
782 | } |
783 | ||
aa21c004 | 784 | /* called with priv->driver_lock held */ |
69f9032d | 785 | static int if_usb_get_int_status(struct lbs_private *priv, u8 *ireg) |
876c9d3a | 786 | { |
634b8f49 | 787 | struct usb_card_rec *cardp = priv->card; |
876c9d3a MT |
788 | |
789 | *ireg = cardp->usb_int_cause; | |
790 | cardp->usb_int_cause = 0; | |
791 | ||
9012b28a | 792 | lbs_deb_usbd(&cardp->udev->dev,"Int cause is 0x%X\n", *ireg); |
876c9d3a MT |
793 | |
794 | return 0; | |
795 | } | |
796 | ||
69f9032d | 797 | static int if_usb_read_event_cause(struct lbs_private *priv) |
876c9d3a | 798 | { |
634b8f49 | 799 | struct usb_card_rec *cardp = priv->card; |
954ee164 | 800 | |
aa21c004 | 801 | priv->eventcause = cardp->usb_event_cause; |
876c9d3a | 802 | /* Re-submit rx urb here to avoid event lost issue */ |
954ee164 | 803 | if_usb_submit_rx_urb(cardp); |
876c9d3a MT |
804 | return 0; |
805 | } | |
806 | ||
9e22cb67 DW |
807 | /** |
808 | * @brief This function issues Boot command to the Boot2 code | |
809 | * @param ivalue 1:Boot from FW by USB-Download | |
810 | * 2:Boot from FW in EEPROM | |
811 | * @return 0 | |
812 | */ | |
954ee164 | 813 | static int if_usb_issue_boot_command(struct usb_card_rec *cardp, int ivalue) |
9e22cb67 | 814 | { |
954ee164 | 815 | struct bootcmdstr sbootcmd; |
9e22cb67 DW |
816 | int i; |
817 | ||
818 | /* Prepare command */ | |
819 | sbootcmd.u32magicnumber = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); | |
820 | sbootcmd.u8cmd_tag = ivalue; | |
821 | for (i=0; i<11; i++) | |
822 | sbootcmd.au8dumy[i]=0x00; | |
823 | memcpy(cardp->bulk_out_buffer, &sbootcmd, sizeof(struct bootcmdstr)); | |
824 | ||
825 | /* Issue command */ | |
954ee164 | 826 | usb_tx_block(cardp, cardp->bulk_out_buffer, sizeof(struct bootcmdstr)); |
9e22cb67 DW |
827 | |
828 | return 0; | |
829 | } | |
876c9d3a MT |
830 | |
831 | ||
954ee164 DW |
832 | /** |
833 | * @brief This function checks the validity of Boot2/FW image. | |
834 | * | |
835 | * @param data pointer to image | |
836 | * len image length | |
837 | * @return 0 or -1 | |
838 | */ | |
839 | static int check_fwfile_format(u8 *data, u32 totlen) | |
840 | { | |
841 | u32 bincmd, exit; | |
842 | u32 blksize, offset, len; | |
843 | int ret; | |
844 | ||
845 | ret = 1; | |
846 | exit = len = 0; | |
847 | ||
848 | do { | |
849 | struct fwheader *fwh = (void *)data; | |
850 | ||
851 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
852 | blksize = le32_to_cpu(fwh->datalength); | |
853 | switch (bincmd) { | |
854 | case FW_HAS_DATA_TO_RECV: | |
855 | offset = sizeof(struct fwheader) + blksize; | |
856 | data += offset; | |
857 | len += offset; | |
858 | if (len >= totlen) | |
859 | exit = 1; | |
860 | break; | |
861 | case FW_HAS_LAST_BLOCK: | |
862 | exit = 1; | |
863 | ret = 0; | |
864 | break; | |
865 | default: | |
866 | exit = 1; | |
867 | break; | |
868 | } | |
869 | } while (!exit); | |
870 | ||
871 | if (ret) | |
872 | lbs_pr_err("firmware file format check FAIL\n"); | |
873 | else | |
874 | lbs_deb_fw("firmware file format check PASS\n"); | |
875 | ||
876 | return ret; | |
877 | } | |
878 | ||
879 | ||
880 | static int if_usb_prog_firmware(struct usb_card_rec *cardp) | |
876c9d3a | 881 | { |
876c9d3a MT |
882 | int i = 0; |
883 | static int reset_count = 10; | |
9012b28a | 884 | int ret = 0; |
876c9d3a | 885 | |
9012b28a | 886 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 887 | |
10078321 | 888 | if ((ret = request_firmware(&cardp->fw, lbs_fw_name, |
954ee164 DW |
889 | &cardp->udev->dev)) < 0) { |
890 | lbs_pr_err("request_firmware() failed with %#x\n", ret); | |
10078321 | 891 | lbs_pr_err("firmware %s not found\n", lbs_fw_name); |
954ee164 DW |
892 | goto done; |
893 | } | |
894 | ||
895 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) | |
896 | goto release_fw; | |
876c9d3a MT |
897 | |
898 | restart: | |
954ee164 | 899 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a HS |
900 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
901 | ret = -1; | |
954ee164 | 902 | goto release_fw; |
876c9d3a MT |
903 | } |
904 | ||
876c9d3a MT |
905 | cardp->bootcmdresp = 0; |
906 | do { | |
907 | int j = 0; | |
908 | i++; | |
909 | /* Issue Boot command = 1, Boot from Download-FW */ | |
954ee164 | 910 | if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB); |
876c9d3a MT |
911 | /* wait for command response */ |
912 | do { | |
913 | j++; | |
914 | msleep_interruptible(100); | |
915 | } while (cardp->bootcmdresp == 0 && j < 10); | |
916 | } while (cardp->bootcmdresp == 0 && i < 5); | |
917 | ||
6d35fdfc | 918 | if (cardp->bootcmdresp <= 0) { |
876c9d3a | 919 | if (--reset_count >= 0) { |
954ee164 | 920 | if_usb_reset_device(cardp); |
876c9d3a MT |
921 | goto restart; |
922 | } | |
923 | return -1; | |
924 | } | |
876c9d3a MT |
925 | |
926 | i = 0; | |
876c9d3a MT |
927 | |
928 | cardp->totalbytes = 0; | |
929 | cardp->fwlastblksent = 0; | |
930 | cardp->CRC_OK = 1; | |
931 | cardp->fwdnldover = 0; | |
932 | cardp->fwseqnum = -1; | |
933 | cardp->totalbytes = 0; | |
934 | cardp->fwfinalblk = 0; | |
935 | ||
4f82f5c8 DW |
936 | /* Send the first firmware packet... */ |
937 | if_usb_send_fw_pkt(cardp); | |
876c9d3a | 938 | |
4f82f5c8 DW |
939 | /* ... and wait for the process to complete */ |
940 | wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); | |
941 | ||
942 | del_timer_sync(&cardp->fw_timeout); | |
c9cd6f9d | 943 | usb_kill_urb(cardp->rx_urb); |
876c9d3a MT |
944 | |
945 | if (!cardp->fwdnldover) { | |
946 | lbs_pr_info("failed to load fw, resetting device!\n"); | |
947 | if (--reset_count >= 0) { | |
954ee164 | 948 | if_usb_reset_device(cardp); |
876c9d3a MT |
949 | goto restart; |
950 | } | |
951 | ||
952 | lbs_pr_info("FW download failure, time = %d ms\n", i * 100); | |
9012b28a | 953 | ret = -1; |
954ee164 | 954 | goto release_fw; |
876c9d3a MT |
955 | } |
956 | ||
954ee164 DW |
957 | release_fw: |
958 | release_firmware(cardp->fw); | |
959 | cardp->fw = NULL; | |
876c9d3a | 960 | |
9012b28a HS |
961 | done: |
962 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
963 | return ret; | |
876c9d3a MT |
964 | } |
965 | ||
1df4e8fe | 966 | |
876c9d3a MT |
967 | #ifdef CONFIG_PM |
968 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
969 | { | |
970 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 971 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 972 | |
9012b28a | 973 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 974 | |
aa21c004 | 975 | if (priv->psstate != PS_STATE_FULL_POWER) |
876c9d3a MT |
976 | return -1; |
977 | ||
202f3f3a | 978 | netif_device_detach(priv->dev); |
51d84f50 | 979 | netif_device_detach(priv->mesh_dev); |
876c9d3a MT |
980 | |
981 | /* Unlink tx & rx urb */ | |
982 | usb_kill_urb(cardp->tx_urb); | |
983 | usb_kill_urb(cardp->rx_urb); | |
984 | ||
9012b28a | 985 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
986 | return 0; |
987 | } | |
988 | ||
989 | static int if_usb_resume(struct usb_interface *intf) | |
990 | { | |
991 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 992 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 993 | |
9012b28a | 994 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 995 | |
6bc822b5 | 996 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 997 | |
202f3f3a | 998 | netif_device_attach(priv->dev); |
51d84f50 | 999 | netif_device_attach(priv->mesh_dev); |
876c9d3a | 1000 | |
9012b28a | 1001 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1002 | return 0; |
1003 | } | |
1004 | #else | |
1005 | #define if_usb_suspend NULL | |
1006 | #define if_usb_resume NULL | |
1007 | #endif | |
1008 | ||
1009 | static struct usb_driver if_usb_driver = { | |
798fbfec | 1010 | .name = DRV_NAME, |
876c9d3a | 1011 | .probe = if_usb_probe, |
876c9d3a | 1012 | .disconnect = if_usb_disconnect, |
876c9d3a MT |
1013 | .id_table = if_usb_table, |
1014 | .suspend = if_usb_suspend, | |
1015 | .resume = if_usb_resume, | |
1016 | }; | |
1017 | ||
4fb910fd | 1018 | static int __init if_usb_init_module(void) |
876c9d3a | 1019 | { |
084708b6 | 1020 | int ret = 0; |
876c9d3a | 1021 | |
084708b6 HS |
1022 | lbs_deb_enter(LBS_DEB_MAIN); |
1023 | ||
084708b6 HS |
1024 | ret = usb_register(&if_usb_driver); |
1025 | ||
1026 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1027 | return ret; | |
876c9d3a MT |
1028 | } |
1029 | ||
4fb910fd | 1030 | static void __exit if_usb_exit_module(void) |
876c9d3a | 1031 | { |
084708b6 HS |
1032 | lbs_deb_enter(LBS_DEB_MAIN); |
1033 | ||
876c9d3a | 1034 | usb_deregister(&if_usb_driver); |
084708b6 HS |
1035 | |
1036 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 1037 | } |
084708b6 HS |
1038 | |
1039 | module_init(if_usb_init_module); | |
1040 | module_exit(if_usb_exit_module); | |
1041 | ||
1042 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
1043 | MODULE_AUTHOR("Marvell International Ltd."); | |
1044 | MODULE_LICENSE("GPL"); |