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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 | ||
4f82f5c8 DW |
116 | void if_usb_fw_timeo(unsigned long priv) |
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->rx_urb_recall = 0; |
876c9d3a | 179 | |
435a1acb | 180 | cardp->bulk_in_size = |
981f187b | 181 | le16_to_cpu(endpoint->wMaxPacketSize); |
435a1acb | 182 | cardp->bulk_in_endpointAddr = |
876c9d3a MT |
183 | (endpoint-> |
184 | bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); | |
9012b28a | 185 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", |
876c9d3a MT |
186 | endpoint->bEndpointAddress); |
187 | } | |
188 | ||
189 | if (((endpoint-> | |
190 | bEndpointAddress & USB_ENDPOINT_DIR_MASK) == | |
191 | USB_DIR_OUT) | |
192 | && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
193 | USB_ENDPOINT_XFER_BULK)) { | |
194 | /* We found bulk out endpoint */ | |
981f187b | 195 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { |
9012b28a | 196 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
197 | "Tx URB allocation failed\n"); |
198 | goto dealloc; | |
199 | } | |
200 | ||
435a1acb | 201 | cardp->bulk_out_size = |
981f187b | 202 | le16_to_cpu(endpoint->wMaxPacketSize); |
9012b28a | 203 | lbs_deb_usbd(&udev->dev, |
981f187b DW |
204 | "Bulk out size is %d\n", |
205 | le16_to_cpu(endpoint->wMaxPacketSize)); | |
435a1acb | 206 | cardp->bulk_out_endpointAddr = |
876c9d3a | 207 | endpoint->bEndpointAddress; |
9012b28a | 208 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", |
876c9d3a | 209 | endpoint->bEndpointAddress); |
435a1acb | 210 | cardp->bulk_out_buffer = |
876c9d3a MT |
211 | kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, |
212 | GFP_KERNEL); | |
213 | ||
435a1acb | 214 | if (!cardp->bulk_out_buffer) { |
9012b28a | 215 | lbs_deb_usbd(&udev->dev, |
876c9d3a MT |
216 | "Could not allocate buffer\n"); |
217 | goto dealloc; | |
218 | } | |
219 | } | |
220 | } | |
221 | ||
954ee164 DW |
222 | /* Upload firmware */ |
223 | cardp->rinfo.cardp = cardp; | |
224 | if (if_usb_prog_firmware(cardp)) { | |
225 | lbs_deb_usbd(&udev->dev, "FW upload failed"); | |
226 | goto err_prog_firmware; | |
227 | } | |
228 | ||
10078321 | 229 | if (!(priv = lbs_add_card(cardp, &udev->dev))) |
954ee164 | 230 | goto err_prog_firmware; |
3874d0fe | 231 | |
954ee164 | 232 | cardp->priv = priv; |
c9cd6f9d | 233 | cardp->priv->fw_ready = 1; |
965f8bbc | 234 | |
10078321 | 235 | if (lbs_add_mesh(priv, &udev->dev)) |
6a812157 | 236 | goto err_add_mesh; |
51d84f50 | 237 | |
954ee164 DW |
238 | cardp->eth_dev = priv->dev; |
239 | ||
208fdd2f HS |
240 | priv->hw_host_to_card = if_usb_host_to_card; |
241 | priv->hw_get_int_status = if_usb_get_int_status; | |
242 | priv->hw_read_event_cause = if_usb_read_event_cause; | |
c2df2efe | 243 | priv->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 244 | |
954ee164 | 245 | if_usb_submit_rx_urb(cardp); |
954ee164 | 246 | |
10078321 | 247 | if (lbs_start_card(priv)) |
954ee164 | 248 | goto err_start_card; |
32a74b7c | 249 | |
04c80f1a | 250 | if_usb_set_boot2_ver(priv); |
2c94404c | 251 | |
876c9d3a | 252 | usb_get_dev(udev); |
435a1acb | 253 | usb_set_intfdata(intf, cardp); |
876c9d3a | 254 | |
876c9d3a MT |
255 | return 0; |
256 | ||
954ee164 | 257 | err_start_card: |
10078321 | 258 | lbs_remove_mesh(priv); |
6a812157 | 259 | err_add_mesh: |
10078321 | 260 | lbs_remove_card(priv); |
954ee164 DW |
261 | err_prog_firmware: |
262 | if_usb_reset_device(cardp); | |
876c9d3a | 263 | dealloc: |
435a1acb | 264 | if_usb_free(cardp); |
876c9d3a MT |
265 | |
266 | error: | |
267 | return -ENOMEM; | |
268 | } | |
269 | ||
270 | /** | |
271 | * @brief free resource and cleanup | |
435a1acb | 272 | * @param intf USB interface structure |
876c9d3a MT |
273 | * @return N/A |
274 | */ | |
275 | static void if_usb_disconnect(struct usb_interface *intf) | |
276 | { | |
277 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 278 | struct lbs_private *priv = (struct lbs_private *) cardp->priv; |
876c9d3a | 279 | |
954ee164 | 280 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 281 | |
954ee164 DW |
282 | /* Update Surprise removed to TRUE */ |
283 | cardp->surprise_removed = 1; | |
876c9d3a | 284 | |
954ee164 | 285 | if (priv) { |
954ee164 | 286 | |
aa21c004 | 287 | priv->surpriseremoved = 1; |
10078321 HS |
288 | lbs_stop_card(priv); |
289 | lbs_remove_mesh(priv); | |
290 | lbs_remove_card(priv); | |
954ee164 | 291 | } |
876c9d3a | 292 | |
be13f189 AS |
293 | /* this is (apparently?) necessary for future usage of the device */ |
294 | lbs_prepare_and_send_command(priv, CMD_802_11_RESET, CMD_ACT_HALT, | |
295 | 0, 0, NULL); | |
296 | ||
876c9d3a MT |
297 | /* Unlink and free urb */ |
298 | if_usb_free(cardp); | |
299 | ||
300 | usb_set_intfdata(intf, NULL); | |
301 | usb_put_dev(interface_to_usbdev(intf)); | |
302 | ||
954ee164 | 303 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
304 | } |
305 | ||
306 | /** | |
307 | * @brief This function download FW | |
69f9032d | 308 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
309 | * @return 0 |
310 | */ | |
4f82f5c8 | 311 | static int if_usb_send_fw_pkt(struct usb_card_rec *cardp) |
876c9d3a | 312 | { |
876c9d3a MT |
313 | struct FWData *fwdata; |
314 | struct fwheader *fwheader; | |
954ee164 | 315 | u8 *firmware = cardp->fw->data; |
876c9d3a MT |
316 | |
317 | fwdata = kmalloc(sizeof(struct FWData), GFP_ATOMIC); | |
318 | ||
319 | if (!fwdata) | |
320 | return -1; | |
321 | ||
322 | fwheader = &fwdata->fwheader; | |
323 | ||
324 | if (!cardp->CRC_OK) { | |
325 | cardp->totalbytes = cardp->fwlastblksent; | |
326 | cardp->fwseqnum = cardp->lastseqnum - 1; | |
327 | } | |
328 | ||
9012b28a HS |
329 | /* |
330 | lbs_deb_usbd(&cardp->udev->dev, "totalbytes = %d\n", | |
876c9d3a | 331 | cardp->totalbytes); |
9012b28a | 332 | */ |
876c9d3a MT |
333 | |
334 | memcpy(fwheader, &firmware[cardp->totalbytes], | |
335 | sizeof(struct fwheader)); | |
336 | ||
337 | cardp->fwlastblksent = cardp->totalbytes; | |
338 | cardp->totalbytes += sizeof(struct fwheader); | |
339 | ||
9012b28a | 340 | /* lbs_deb_usbd(&cardp->udev->dev,"Copy Data\n"); */ |
876c9d3a | 341 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
981f187b | 342 | le32_to_cpu(fwdata->fwheader.datalength)); |
876c9d3a | 343 | |
9012b28a HS |
344 | /* |
345 | lbs_deb_usbd(&cardp->udev->dev, | |
bb793e2b | 346 | "Data length = %d\n", le32_to_cpu(fwdata->fwheader.datalength)); |
9012b28a | 347 | */ |
876c9d3a MT |
348 | |
349 | cardp->fwseqnum = cardp->fwseqnum + 1; | |
350 | ||
981f187b DW |
351 | fwdata->seqnum = cpu_to_le32(cardp->fwseqnum); |
352 | cardp->lastseqnum = cardp->fwseqnum; | |
353 | cardp->totalbytes += le32_to_cpu(fwdata->fwheader.datalength); | |
876c9d3a | 354 | |
981f187b | 355 | if (fwheader->dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { |
9012b28a | 356 | /* |
981f187b | 357 | lbs_deb_usbd(&cardp->udev->dev, "There are data to follow\n"); |
9012b28a | 358 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
359 | "seqnum = %d totalbytes = %d\n", cardp->fwseqnum, |
360 | cardp->totalbytes); | |
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 | 364 | |
bb793e2b | 365 | } else if (fwdata->fwheader.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { |
9012b28a HS |
366 | /* |
367 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 368 | "Host has finished FW downloading\n"); |
9012b28a | 369 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 370 | "Donwloading FW JUMP BLOCK\n"); |
9012b28a | 371 | */ |
876c9d3a | 372 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
954ee164 | 373 | usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); |
876c9d3a MT |
374 | cardp->fwfinalblk = 1; |
375 | } | |
376 | ||
9012b28a HS |
377 | /* |
378 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a MT |
379 | "The firmware download is done size is %d\n", |
380 | cardp->totalbytes); | |
9012b28a | 381 | */ |
876c9d3a MT |
382 | |
383 | kfree(fwdata); | |
384 | ||
385 | return 0; | |
386 | } | |
387 | ||
954ee164 | 388 | static int if_usb_reset_device(struct usb_card_rec *cardp) |
876c9d3a | 389 | { |
6d35fdfc | 390 | struct cmd_ds_command *cmd = (void *)&cardp->bulk_out_buffer[4]; |
876c9d3a | 391 | int ret; |
876c9d3a | 392 | |
3874d0fe HS |
393 | lbs_deb_enter(LBS_DEB_USB); |
394 | ||
6d35fdfc DW |
395 | *(__le32 *)cardp->bulk_out_buffer = cpu_to_le32(CMD_TYPE_REQUEST); |
396 | ||
397 | cmd->command = cpu_to_le16(CMD_802_11_RESET); | |
398 | cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN); | |
399 | cmd->result = cpu_to_le16(0); | |
400 | cmd->seqnum = cpu_to_le16(0x5a5a); | |
401 | cmd->params.reset.action = cpu_to_le16(CMD_ACT_HALT); | |
402 | usb_tx_block(cardp, cardp->bulk_out_buffer, 4 + S_DS_GEN + sizeof(struct cmd_ds_802_11_reset)); | |
403 | ||
c8ba39d0 | 404 | msleep(100); |
876c9d3a | 405 | ret = usb_reset_device(cardp->udev); |
c8ba39d0 | 406 | msleep(100); |
3874d0fe HS |
407 | |
408 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
409 | ||
876c9d3a MT |
410 | return ret; |
411 | } | |
412 | ||
413 | /** | |
414 | * @brief This function transfer the data to the device. | |
69f9032d | 415 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
416 | * @param payload pointer to payload data |
417 | * @param nb data length | |
418 | * @return 0 or -1 | |
419 | */ | |
954ee164 | 420 | static int usb_tx_block(struct usb_card_rec *cardp, u8 * payload, u16 nb) |
876c9d3a | 421 | { |
876c9d3a MT |
422 | int ret = -1; |
423 | ||
424 | /* check if device is removed */ | |
954ee164 | 425 | if (cardp->surprise_removed) { |
9012b28a | 426 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
427 | goto tx_ret; |
428 | } | |
429 | ||
430 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
431 | usb_sndbulkpipe(cardp->udev, | |
432 | cardp->bulk_out_endpointAddr), | |
954ee164 | 433 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
434 | |
435 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
436 | ||
437 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
438 | /* transfer failed */ | |
0856e681 | 439 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
876c9d3a MT |
440 | ret = -1; |
441 | } else { | |
9012b28a | 442 | /* lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb success\n"); */ |
876c9d3a MT |
443 | ret = 0; |
444 | } | |
445 | ||
446 | tx_ret: | |
447 | return ret; | |
448 | } | |
449 | ||
954ee164 DW |
450 | static int __if_usb_submit_rx_urb(struct usb_card_rec *cardp, |
451 | void (*callbackfn)(struct urb *urb)) | |
876c9d3a | 452 | { |
876c9d3a MT |
453 | struct sk_buff *skb; |
454 | struct read_cb_info *rinfo = &cardp->rinfo; | |
455 | int ret = -1; | |
456 | ||
457 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
458 | lbs_pr_err("No free skb\n"); | |
459 | goto rx_ret; | |
460 | } | |
461 | ||
462 | rinfo->skb = skb; | |
463 | ||
464 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
465 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
466 | usb_rcvbulkpipe(cardp->udev, | |
467 | cardp->bulk_in_endpointAddr), | |
4269e2ad | 468 | (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), |
876c9d3a MT |
469 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
470 | rinfo); | |
471 | ||
472 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
473 | ||
9012b28a | 474 | /* lbs_deb_usbd(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); */ |
876c9d3a MT |
475 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
476 | /* handle failure conditions */ | |
0856e681 | 477 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
77d8cf2c DW |
478 | kfree_skb(skb); |
479 | rinfo->skb = NULL; | |
876c9d3a MT |
480 | ret = -1; |
481 | } else { | |
9012b28a | 482 | /* lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB success\n"); */ |
876c9d3a MT |
483 | ret = 0; |
484 | } | |
485 | ||
486 | rx_ret: | |
487 | return ret; | |
488 | } | |
489 | ||
954ee164 | 490 | static int if_usb_submit_rx_urb_fwload(struct usb_card_rec *cardp) |
876c9d3a | 491 | { |
954ee164 | 492 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
493 | } |
494 | ||
954ee164 | 495 | static int if_usb_submit_rx_urb(struct usb_card_rec *cardp) |
876c9d3a | 496 | { |
954ee164 | 497 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
498 | } |
499 | ||
500 | static void if_usb_receive_fwload(struct urb *urb) | |
501 | { | |
502 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
876c9d3a | 503 | struct sk_buff *skb = rinfo->skb; |
954ee164 | 504 | struct usb_card_rec *cardp = (struct usb_card_rec *)rinfo->cardp; |
876c9d3a MT |
505 | struct fwsyncheader *syncfwheader; |
506 | struct bootcmdrespStr bootcmdresp; | |
507 | ||
508 | if (urb->status) { | |
9012b28a | 509 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
510 | "URB status is failed during fw load\n"); |
511 | kfree_skb(skb); | |
512 | return; | |
513 | } | |
514 | ||
c9cd6f9d DW |
515 | if (cardp->fwdnldover) { |
516 | __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
517 | ||
518 | if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && | |
519 | tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { | |
520 | lbs_pr_info("Firmware ready event received\n"); | |
521 | wake_up(&cardp->fw_wq); | |
522 | } else { | |
523 | lbs_deb_usb("Waiting for confirmation; got %x %x\n", le32_to_cpu(tmp[0]), | |
524 | le32_to_cpu(tmp[1])); | |
525 | if_usb_submit_rx_urb_fwload(cardp); | |
526 | } | |
527 | kfree_skb(skb); | |
528 | return; | |
529 | } | |
c8ba39d0 | 530 | if (cardp->bootcmdresp <= 0) { |
876c9d3a MT |
531 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, |
532 | sizeof(bootcmdresp)); | |
981f187b | 533 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 534 | kfree_skb(skb); |
954ee164 | 535 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a | 536 | cardp->bootcmdresp = 1; |
9012b28a | 537 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
538 | "Received valid boot command response\n"); |
539 | return; | |
540 | } | |
981f187b | 541 | if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
6d35fdfc DW |
542 | if (bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_REQUEST) || |
543 | bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_DATA) || | |
544 | bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_INDICATION)) { | |
c9cd6f9d DW |
545 | if (!cardp->bootcmdresp) |
546 | lbs_pr_info("Firmware already seems alive; resetting\n"); | |
6d35fdfc DW |
547 | cardp->bootcmdresp = -1; |
548 | } else { | |
549 | lbs_pr_info("boot cmd response wrong magic number (0x%x)\n", | |
550 | le32_to_cpu(bootcmdresp.u32magicnumber)); | |
551 | } | |
876c9d3a MT |
552 | } else if (bootcmdresp.u8cmd_tag != BOOT_CMD_FW_BY_USB) { |
553 | lbs_pr_info( | |
554 | "boot cmd response cmd_tag error (%d)\n", | |
555 | bootcmdresp.u8cmd_tag); | |
556 | } else if (bootcmdresp.u8result != BOOT_CMD_RESP_OK) { | |
557 | lbs_pr_info( | |
558 | "boot cmd response result error (%d)\n", | |
559 | bootcmdresp.u8result); | |
560 | } else { | |
561 | cardp->bootcmdresp = 1; | |
9012b28a | 562 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
563 | "Received valid boot command response\n"); |
564 | } | |
565 | kfree_skb(skb); | |
954ee164 | 566 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
567 | return; |
568 | } | |
569 | ||
570 | syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC); | |
571 | if (!syncfwheader) { | |
9012b28a | 572 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
573 | kfree_skb(skb); |
574 | return; | |
575 | } | |
576 | ||
577 | memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET, | |
578 | sizeof(struct fwsyncheader)); | |
579 | ||
580 | if (!syncfwheader->cmd) { | |
9012b28a HS |
581 | /* |
582 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 583 | "FW received Blk with correct CRC\n"); |
9012b28a | 584 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
585 | "FW received Blk seqnum = %d\n", |
586 | syncfwheader->seqnum); | |
9012b28a | 587 | */ |
876c9d3a MT |
588 | cardp->CRC_OK = 1; |
589 | } else { | |
9012b28a | 590 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
591 | "FW received Blk with CRC error\n"); |
592 | cardp->CRC_OK = 0; | |
593 | } | |
594 | ||
595 | kfree_skb(skb); | |
596 | ||
4f82f5c8 DW |
597 | /* reschedule timer for 200ms hence */ |
598 | mod_timer(&cardp->fw_timeout, jiffies + (HZ/5)); | |
599 | ||
876c9d3a MT |
600 | if (cardp->fwfinalblk) { |
601 | cardp->fwdnldover = 1; | |
602 | goto exit; | |
603 | } | |
604 | ||
4f82f5c8 | 605 | if_usb_send_fw_pkt(cardp); |
876c9d3a | 606 | |
4f82f5c8 | 607 | exit: |
c9cd6f9d DW |
608 | if_usb_submit_rx_urb_fwload(cardp); |
609 | ||
876c9d3a MT |
610 | kfree(syncfwheader); |
611 | ||
612 | return; | |
876c9d3a MT |
613 | } |
614 | ||
615 | #define MRVDRV_MIN_PKT_LEN 30 | |
616 | ||
617 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
618 | struct usb_card_rec *cardp, | |
69f9032d | 619 | struct lbs_private *priv) |
876c9d3a MT |
620 | { |
621 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + | |
622 | MESSAGE_HEADER_LEN || recvlength < MRVDRV_MIN_PKT_LEN) { | |
9012b28a | 623 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
624 | "Packet length is Invalid\n"); |
625 | kfree_skb(skb); | |
626 | return; | |
627 | } | |
628 | ||
629 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
630 | skb_put(skb, recvlength); | |
631 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
10078321 | 632 | lbs_process_rxed_packet(priv, skb); |
634b8f49 | 633 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a MT |
634 | } |
635 | ||
636 | static inline void process_cmdrequest(int recvlength, u8 *recvbuff, | |
637 | struct sk_buff *skb, | |
638 | struct usb_card_rec *cardp, | |
69f9032d | 639 | struct lbs_private *priv) |
876c9d3a MT |
640 | { |
641 | u8 *cmdbuf; | |
ddac4526 | 642 | if (recvlength > LBS_CMD_BUFFER_SIZE) { |
9012b28a | 643 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
644 | "The receive buffer is too large\n"); |
645 | kfree_skb(skb); | |
646 | return; | |
647 | } | |
648 | ||
649 | if (!in_interrupt()) | |
650 | BUG(); | |
651 | ||
aa21c004 | 652 | spin_lock(&priv->driver_lock); |
876c9d3a MT |
653 | /* take care of cur_cmd = NULL case by reading the |
654 | * data to clear the interrupt */ | |
aa21c004 | 655 | if (!priv->cur_cmd) { |
634b8f49 | 656 | cmdbuf = priv->upld_buf; |
aa21c004 | 657 | priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
876c9d3a | 658 | } else |
ddac4526 | 659 | cmdbuf = (u8 *) priv->cur_cmd->cmdbuf; |
876c9d3a | 660 | |
c95c7f93 | 661 | cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY; |
634b8f49 | 662 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a | 663 | memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN, |
634b8f49 | 664 | priv->upld_len); |
876c9d3a MT |
665 | |
666 | kfree_skb(skb); | |
4f679496 | 667 | lbs_interrupt(priv); |
aa21c004 | 668 | spin_unlock(&priv->driver_lock); |
876c9d3a | 669 | |
9012b28a | 670 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
671 | "Wake up main thread to handle cmd response\n"); |
672 | ||
673 | return; | |
674 | } | |
675 | ||
676 | /** | |
677 | * @brief This function reads of the packet into the upload buff, | |
678 | * wake up the main thread and initialise the Rx callack. | |
679 | * | |
680 | * @param urb pointer to struct urb | |
681 | * @return N/A | |
682 | */ | |
683 | static void if_usb_receive(struct urb *urb) | |
684 | { | |
685 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
876c9d3a | 686 | struct sk_buff *skb = rinfo->skb; |
954ee164 | 687 | struct usb_card_rec *cardp = (struct usb_card_rec *) rinfo->cardp; |
69f9032d | 688 | struct lbs_private *priv = cardp->priv; |
876c9d3a MT |
689 | |
690 | int recvlength = urb->actual_length; | |
691 | u8 *recvbuff = NULL; | |
8362cd41 | 692 | u32 recvtype = 0; |
876c9d3a | 693 | |
9012b28a | 694 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
695 | |
696 | if (recvlength) { | |
8362cd41 DW |
697 | __le32 tmp; |
698 | ||
876c9d3a | 699 | if (urb->status) { |
9012b28a | 700 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
701 | "URB status is failed\n"); |
702 | kfree_skb(skb); | |
703 | goto setup_for_next; | |
704 | } | |
705 | ||
706 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
8362cd41 DW |
707 | memcpy(&tmp, recvbuff, sizeof(u32)); |
708 | recvtype = le32_to_cpu(tmp); | |
9012b28a | 709 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
710 | "Recv length = 0x%x, Recv type = 0x%X\n", |
711 | recvlength, recvtype); | |
77d8cf2c DW |
712 | } else if (urb->status) { |
713 | kfree_skb(skb); | |
876c9d3a | 714 | goto rx_exit; |
77d8cf2c | 715 | } |
876c9d3a | 716 | |
876c9d3a MT |
717 | switch (recvtype) { |
718 | case CMD_TYPE_DATA: | |
719 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
720 | break; | |
721 | ||
722 | case CMD_TYPE_REQUEST: | |
723 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
724 | break; | |
725 | ||
726 | case CMD_TYPE_INDICATION: | |
727 | /* Event cause handling */ | |
aa21c004 | 728 | spin_lock(&priv->driver_lock); |
981f187b | 729 | cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN)); |
9012b28a | 730 | lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n", |
876c9d3a MT |
731 | cardp->usb_event_cause); |
732 | if (cardp->usb_event_cause & 0xffff0000) { | |
10078321 | 733 | lbs_send_tx_feedback(priv); |
aa21c004 | 734 | spin_unlock(&priv->driver_lock); |
876c9d3a MT |
735 | break; |
736 | } | |
981f187b | 737 | cardp->usb_event_cause <<= 3; |
c95c7f93 | 738 | cardp->usb_int_cause |= MRVDRV_CARDEVENT; |
876c9d3a | 739 | kfree_skb(skb); |
4f679496 | 740 | lbs_interrupt(priv); |
aa21c004 | 741 | spin_unlock(&priv->driver_lock); |
876c9d3a MT |
742 | goto rx_exit; |
743 | default: | |
8362cd41 DW |
744 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
745 | recvtype); | |
876c9d3a MT |
746 | kfree_skb(skb); |
747 | break; | |
748 | } | |
749 | ||
750 | setup_for_next: | |
954ee164 | 751 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 752 | rx_exit: |
9012b28a | 753 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
754 | } |
755 | ||
756 | /** | |
757 | * @brief This function downloads data to FW | |
69f9032d | 758 | * @param priv pointer to struct lbs_private structure |
876c9d3a MT |
759 | * @param type type of data |
760 | * @param buf pointer to data buffer | |
761 | * @param len number of bytes | |
762 | * @return 0 or -1 | |
763 | */ | |
69f9032d HS |
764 | static int if_usb_host_to_card(struct lbs_private *priv, |
765 | u8 type, | |
766 | u8 *payload, | |
767 | u16 nb) | |
876c9d3a | 768 | { |
634b8f49 | 769 | struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card; |
876c9d3a | 770 | |
9012b28a HS |
771 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
772 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
773 | |
774 | if (type == MVMS_CMD) { | |
8362cd41 | 775 | __le32 tmp = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 776 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a MT |
777 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
778 | MESSAGE_HEADER_LEN); | |
779 | ||
780 | } else { | |
8362cd41 | 781 | __le32 tmp = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 782 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
783 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
784 | MESSAGE_HEADER_LEN); | |
785 | } | |
786 | ||
787 | memcpy((cardp->bulk_out_buffer + MESSAGE_HEADER_LEN), payload, nb); | |
788 | ||
954ee164 | 789 | return usb_tx_block(cardp, cardp->bulk_out_buffer, |
8362cd41 | 790 | nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
791 | } |
792 | ||
aa21c004 | 793 | /* called with priv->driver_lock held */ |
69f9032d | 794 | static int if_usb_get_int_status(struct lbs_private *priv, u8 *ireg) |
876c9d3a | 795 | { |
634b8f49 | 796 | struct usb_card_rec *cardp = priv->card; |
876c9d3a MT |
797 | |
798 | *ireg = cardp->usb_int_cause; | |
799 | cardp->usb_int_cause = 0; | |
800 | ||
9012b28a | 801 | lbs_deb_usbd(&cardp->udev->dev,"Int cause is 0x%X\n", *ireg); |
876c9d3a MT |
802 | |
803 | return 0; | |
804 | } | |
805 | ||
69f9032d | 806 | static int if_usb_read_event_cause(struct lbs_private *priv) |
876c9d3a | 807 | { |
634b8f49 | 808 | struct usb_card_rec *cardp = priv->card; |
954ee164 | 809 | |
aa21c004 | 810 | priv->eventcause = cardp->usb_event_cause; |
876c9d3a | 811 | /* Re-submit rx urb here to avoid event lost issue */ |
954ee164 | 812 | if_usb_submit_rx_urb(cardp); |
876c9d3a MT |
813 | return 0; |
814 | } | |
815 | ||
9e22cb67 DW |
816 | /** |
817 | * @brief This function issues Boot command to the Boot2 code | |
818 | * @param ivalue 1:Boot from FW by USB-Download | |
819 | * 2:Boot from FW in EEPROM | |
820 | * @return 0 | |
821 | */ | |
954ee164 | 822 | static int if_usb_issue_boot_command(struct usb_card_rec *cardp, int ivalue) |
9e22cb67 | 823 | { |
954ee164 | 824 | struct bootcmdstr sbootcmd; |
9e22cb67 DW |
825 | int i; |
826 | ||
827 | /* Prepare command */ | |
828 | sbootcmd.u32magicnumber = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); | |
829 | sbootcmd.u8cmd_tag = ivalue; | |
830 | for (i=0; i<11; i++) | |
831 | sbootcmd.au8dumy[i]=0x00; | |
832 | memcpy(cardp->bulk_out_buffer, &sbootcmd, sizeof(struct bootcmdstr)); | |
833 | ||
834 | /* Issue command */ | |
954ee164 | 835 | usb_tx_block(cardp, cardp->bulk_out_buffer, sizeof(struct bootcmdstr)); |
9e22cb67 DW |
836 | |
837 | return 0; | |
838 | } | |
876c9d3a MT |
839 | |
840 | ||
954ee164 DW |
841 | /** |
842 | * @brief This function checks the validity of Boot2/FW image. | |
843 | * | |
844 | * @param data pointer to image | |
845 | * len image length | |
846 | * @return 0 or -1 | |
847 | */ | |
848 | static int check_fwfile_format(u8 *data, u32 totlen) | |
849 | { | |
850 | u32 bincmd, exit; | |
851 | u32 blksize, offset, len; | |
852 | int ret; | |
853 | ||
854 | ret = 1; | |
855 | exit = len = 0; | |
856 | ||
857 | do { | |
858 | struct fwheader *fwh = (void *)data; | |
859 | ||
860 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
861 | blksize = le32_to_cpu(fwh->datalength); | |
862 | switch (bincmd) { | |
863 | case FW_HAS_DATA_TO_RECV: | |
864 | offset = sizeof(struct fwheader) + blksize; | |
865 | data += offset; | |
866 | len += offset; | |
867 | if (len >= totlen) | |
868 | exit = 1; | |
869 | break; | |
870 | case FW_HAS_LAST_BLOCK: | |
871 | exit = 1; | |
872 | ret = 0; | |
873 | break; | |
874 | default: | |
875 | exit = 1; | |
876 | break; | |
877 | } | |
878 | } while (!exit); | |
879 | ||
880 | if (ret) | |
881 | lbs_pr_err("firmware file format check FAIL\n"); | |
882 | else | |
883 | lbs_deb_fw("firmware file format check PASS\n"); | |
884 | ||
885 | return ret; | |
886 | } | |
887 | ||
888 | ||
889 | static int if_usb_prog_firmware(struct usb_card_rec *cardp) | |
876c9d3a | 890 | { |
876c9d3a MT |
891 | int i = 0; |
892 | static int reset_count = 10; | |
9012b28a | 893 | int ret = 0; |
876c9d3a | 894 | |
9012b28a | 895 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 896 | |
10078321 | 897 | if ((ret = request_firmware(&cardp->fw, lbs_fw_name, |
954ee164 DW |
898 | &cardp->udev->dev)) < 0) { |
899 | lbs_pr_err("request_firmware() failed with %#x\n", ret); | |
10078321 | 900 | lbs_pr_err("firmware %s not found\n", lbs_fw_name); |
954ee164 DW |
901 | goto done; |
902 | } | |
903 | ||
904 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) | |
905 | goto release_fw; | |
876c9d3a MT |
906 | |
907 | restart: | |
954ee164 | 908 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a HS |
909 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
910 | ret = -1; | |
954ee164 | 911 | goto release_fw; |
876c9d3a MT |
912 | } |
913 | ||
876c9d3a MT |
914 | cardp->bootcmdresp = 0; |
915 | do { | |
916 | int j = 0; | |
917 | i++; | |
918 | /* Issue Boot command = 1, Boot from Download-FW */ | |
954ee164 | 919 | if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB); |
876c9d3a MT |
920 | /* wait for command response */ |
921 | do { | |
922 | j++; | |
923 | msleep_interruptible(100); | |
924 | } while (cardp->bootcmdresp == 0 && j < 10); | |
925 | } while (cardp->bootcmdresp == 0 && i < 5); | |
926 | ||
6d35fdfc | 927 | if (cardp->bootcmdresp <= 0) { |
876c9d3a | 928 | if (--reset_count >= 0) { |
954ee164 | 929 | if_usb_reset_device(cardp); |
876c9d3a MT |
930 | goto restart; |
931 | } | |
932 | return -1; | |
933 | } | |
876c9d3a MT |
934 | |
935 | i = 0; | |
876c9d3a MT |
936 | |
937 | cardp->totalbytes = 0; | |
938 | cardp->fwlastblksent = 0; | |
939 | cardp->CRC_OK = 1; | |
940 | cardp->fwdnldover = 0; | |
941 | cardp->fwseqnum = -1; | |
942 | cardp->totalbytes = 0; | |
943 | cardp->fwfinalblk = 0; | |
944 | ||
4f82f5c8 DW |
945 | /* Send the first firmware packet... */ |
946 | if_usb_send_fw_pkt(cardp); | |
876c9d3a | 947 | |
4f82f5c8 DW |
948 | /* ... and wait for the process to complete */ |
949 | wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); | |
950 | ||
951 | del_timer_sync(&cardp->fw_timeout); | |
c9cd6f9d | 952 | usb_kill_urb(cardp->rx_urb); |
876c9d3a MT |
953 | |
954 | if (!cardp->fwdnldover) { | |
955 | lbs_pr_info("failed to load fw, resetting device!\n"); | |
956 | if (--reset_count >= 0) { | |
954ee164 | 957 | if_usb_reset_device(cardp); |
876c9d3a MT |
958 | goto restart; |
959 | } | |
960 | ||
961 | lbs_pr_info("FW download failure, time = %d ms\n", i * 100); | |
9012b28a | 962 | ret = -1; |
954ee164 | 963 | goto release_fw; |
876c9d3a MT |
964 | } |
965 | ||
954ee164 DW |
966 | release_fw: |
967 | release_firmware(cardp->fw); | |
968 | cardp->fw = NULL; | |
876c9d3a | 969 | |
9012b28a HS |
970 | done: |
971 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
972 | return ret; | |
876c9d3a MT |
973 | } |
974 | ||
1df4e8fe | 975 | |
876c9d3a MT |
976 | #ifdef CONFIG_PM |
977 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
978 | { | |
979 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 980 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 981 | |
9012b28a | 982 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 983 | |
aa21c004 | 984 | if (priv->psstate != PS_STATE_FULL_POWER) |
876c9d3a MT |
985 | return -1; |
986 | ||
d21b31fd LCC |
987 | if (priv->mesh_dev && !priv->mesh_autostart_enabled) { |
988 | /* Mesh autostart must be activated while sleeping | |
989 | * On resume it will go back to the current state | |
990 | */ | |
991 | struct cmd_ds_mesh_access mesh_access; | |
992 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
301eacbf | 993 | |
d21b31fd | 994 | mesh_access.data[0] = cpu_to_le32(1); |
301eacbf | 995 | lbs_mesh_access(priv, CMD_ACT_MESH_SET_AUTOSTART_ENABLED, &mesh_access); |
d21b31fd LCC |
996 | } |
997 | ||
876c9d3a | 998 | netif_device_detach(cardp->eth_dev); |
51d84f50 | 999 | netif_device_detach(priv->mesh_dev); |
876c9d3a MT |
1000 | |
1001 | /* Unlink tx & rx urb */ | |
1002 | usb_kill_urb(cardp->tx_urb); | |
1003 | usb_kill_urb(cardp->rx_urb); | |
1004 | ||
1005 | cardp->rx_urb_recall = 1; | |
1006 | ||
9012b28a | 1007 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1008 | return 0; |
1009 | } | |
1010 | ||
1011 | static int if_usb_resume(struct usb_interface *intf) | |
1012 | { | |
1013 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 1014 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 1015 | |
9012b28a | 1016 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
1017 | |
1018 | cardp->rx_urb_recall = 0; | |
1019 | ||
6bc822b5 | 1020 | if_usb_submit_rx_urb(cardp); |
876c9d3a MT |
1021 | |
1022 | netif_device_attach(cardp->eth_dev); | |
51d84f50 | 1023 | netif_device_attach(priv->mesh_dev); |
876c9d3a | 1024 | |
d21b31fd LCC |
1025 | if (priv->mesh_dev && !priv->mesh_autostart_enabled) { |
1026 | /* Mesh autostart was activated while sleeping | |
1027 | * Disable it if appropriate | |
1028 | */ | |
1029 | struct cmd_ds_mesh_access mesh_access; | |
1030 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
1031 | mesh_access.data[0] = cpu_to_le32(0); | |
301eacbf | 1032 | lbs_mesh_access(priv, CMD_ACT_MESH_SET_AUTOSTART_ENABLED, &mesh_access); |
d21b31fd LCC |
1033 | } |
1034 | ||
9012b28a | 1035 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1036 | return 0; |
1037 | } | |
1038 | #else | |
1039 | #define if_usb_suspend NULL | |
1040 | #define if_usb_resume NULL | |
1041 | #endif | |
1042 | ||
1043 | static struct usb_driver if_usb_driver = { | |
798fbfec | 1044 | .name = DRV_NAME, |
876c9d3a | 1045 | .probe = if_usb_probe, |
876c9d3a | 1046 | .disconnect = if_usb_disconnect, |
876c9d3a MT |
1047 | .id_table = if_usb_table, |
1048 | .suspend = if_usb_suspend, | |
1049 | .resume = if_usb_resume, | |
1050 | }; | |
1051 | ||
4fb910fd | 1052 | static int __init if_usb_init_module(void) |
876c9d3a | 1053 | { |
084708b6 | 1054 | int ret = 0; |
876c9d3a | 1055 | |
084708b6 HS |
1056 | lbs_deb_enter(LBS_DEB_MAIN); |
1057 | ||
084708b6 HS |
1058 | ret = usb_register(&if_usb_driver); |
1059 | ||
1060 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1061 | return ret; | |
876c9d3a MT |
1062 | } |
1063 | ||
4fb910fd | 1064 | static void __exit if_usb_exit_module(void) |
876c9d3a | 1065 | { |
084708b6 HS |
1066 | lbs_deb_enter(LBS_DEB_MAIN); |
1067 | ||
876c9d3a | 1068 | usb_deregister(&if_usb_driver); |
084708b6 HS |
1069 | |
1070 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 1071 | } |
084708b6 HS |
1072 | |
1073 | module_init(if_usb_init_module); | |
1074 | module_exit(if_usb_exit_module); | |
1075 | ||
1076 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
1077 | MODULE_AUTHOR("Marvell International Ltd."); | |
1078 | MODULE_LICENSE("GPL"); |