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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 | |
689442dc | 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)) { | |
23d36eec | 223 | lbs_deb_usbd(&udev->dev, "FW upload failed\n"); |
954ee164 DW |
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 | |
506e9025 DW |
245 | priv->wol_gpio = 2; /* Wake via GPIO2... */ |
246 | priv->wol_gap = 20; /* ... after 20ms */ | |
247 | lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA); | |
d1f7a5b8 | 248 | |
876c9d3a | 249 | usb_get_dev(udev); |
435a1acb | 250 | usb_set_intfdata(intf, cardp); |
876c9d3a | 251 | |
876c9d3a MT |
252 | return 0; |
253 | ||
954ee164 | 254 | err_start_card: |
10078321 | 255 | lbs_remove_card(priv); |
954ee164 DW |
256 | err_prog_firmware: |
257 | if_usb_reset_device(cardp); | |
876c9d3a | 258 | dealloc: |
435a1acb | 259 | if_usb_free(cardp); |
876c9d3a MT |
260 | |
261 | error: | |
262 | return -ENOMEM; | |
263 | } | |
264 | ||
265 | /** | |
266 | * @brief free resource and cleanup | |
435a1acb | 267 | * @param intf USB interface structure |
876c9d3a MT |
268 | * @return N/A |
269 | */ | |
270 | static void if_usb_disconnect(struct usb_interface *intf) | |
271 | { | |
272 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 273 | struct lbs_private *priv = (struct lbs_private *) cardp->priv; |
876c9d3a | 274 | |
954ee164 | 275 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 276 | |
954ee164 DW |
277 | /* Update Surprise removed to TRUE */ |
278 | cardp->surprise_removed = 1; | |
876c9d3a | 279 | |
954ee164 | 280 | if (priv) { |
954ee164 | 281 | |
aa21c004 | 282 | priv->surpriseremoved = 1; |
10078321 | 283 | lbs_stop_card(priv); |
10078321 | 284 | lbs_remove_card(priv); |
954ee164 | 285 | } |
876c9d3a | 286 | |
be13f189 AS |
287 | /* this is (apparently?) necessary for future usage of the device */ |
288 | lbs_prepare_and_send_command(priv, CMD_802_11_RESET, CMD_ACT_HALT, | |
289 | 0, 0, NULL); | |
290 | ||
876c9d3a MT |
291 | /* Unlink and free urb */ |
292 | if_usb_free(cardp); | |
293 | ||
294 | usb_set_intfdata(intf, NULL); | |
295 | usb_put_dev(interface_to_usbdev(intf)); | |
296 | ||
954ee164 | 297 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
298 | } |
299 | ||
300 | /** | |
301 | * @brief This function download FW | |
69f9032d | 302 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
303 | * @return 0 |
304 | */ | |
4f82f5c8 | 305 | static int if_usb_send_fw_pkt(struct usb_card_rec *cardp) |
876c9d3a | 306 | { |
876c9d3a MT |
307 | struct FWData *fwdata; |
308 | struct fwheader *fwheader; | |
954ee164 | 309 | u8 *firmware = cardp->fw->data; |
876c9d3a MT |
310 | |
311 | fwdata = kmalloc(sizeof(struct FWData), GFP_ATOMIC); | |
312 | ||
313 | if (!fwdata) | |
314 | return -1; | |
315 | ||
316 | fwheader = &fwdata->fwheader; | |
317 | ||
318 | if (!cardp->CRC_OK) { | |
319 | cardp->totalbytes = cardp->fwlastblksent; | |
320 | cardp->fwseqnum = cardp->lastseqnum - 1; | |
321 | } | |
322 | ||
9012b28a HS |
323 | /* |
324 | lbs_deb_usbd(&cardp->udev->dev, "totalbytes = %d\n", | |
876c9d3a | 325 | cardp->totalbytes); |
9012b28a | 326 | */ |
876c9d3a MT |
327 | |
328 | memcpy(fwheader, &firmware[cardp->totalbytes], | |
329 | sizeof(struct fwheader)); | |
330 | ||
331 | cardp->fwlastblksent = cardp->totalbytes; | |
332 | cardp->totalbytes += sizeof(struct fwheader); | |
333 | ||
9012b28a | 334 | /* lbs_deb_usbd(&cardp->udev->dev,"Copy Data\n"); */ |
876c9d3a | 335 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
981f187b | 336 | le32_to_cpu(fwdata->fwheader.datalength)); |
876c9d3a | 337 | |
9012b28a HS |
338 | /* |
339 | lbs_deb_usbd(&cardp->udev->dev, | |
bb793e2b | 340 | "Data length = %d\n", le32_to_cpu(fwdata->fwheader.datalength)); |
9012b28a | 341 | */ |
876c9d3a MT |
342 | |
343 | cardp->fwseqnum = cardp->fwseqnum + 1; | |
344 | ||
981f187b DW |
345 | fwdata->seqnum = cpu_to_le32(cardp->fwseqnum); |
346 | cardp->lastseqnum = cardp->fwseqnum; | |
347 | cardp->totalbytes += le32_to_cpu(fwdata->fwheader.datalength); | |
876c9d3a | 348 | |
981f187b | 349 | if (fwheader->dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { |
9012b28a | 350 | /* |
981f187b | 351 | lbs_deb_usbd(&cardp->udev->dev, "There are data to follow\n"); |
9012b28a | 352 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
353 | "seqnum = %d totalbytes = %d\n", cardp->fwseqnum, |
354 | cardp->totalbytes); | |
9012b28a | 355 | */ |
876c9d3a | 356 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
954ee164 | 357 | usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); |
876c9d3a | 358 | |
bb793e2b | 359 | } else if (fwdata->fwheader.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { |
9012b28a HS |
360 | /* |
361 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 362 | "Host has finished FW downloading\n"); |
9012b28a | 363 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 364 | "Donwloading FW JUMP BLOCK\n"); |
9012b28a | 365 | */ |
876c9d3a | 366 | memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); |
954ee164 | 367 | usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); |
876c9d3a MT |
368 | cardp->fwfinalblk = 1; |
369 | } | |
370 | ||
9012b28a HS |
371 | /* |
372 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a MT |
373 | "The firmware download is done size is %d\n", |
374 | cardp->totalbytes); | |
9012b28a | 375 | */ |
876c9d3a MT |
376 | |
377 | kfree(fwdata); | |
378 | ||
379 | return 0; | |
380 | } | |
381 | ||
954ee164 | 382 | static int if_usb_reset_device(struct usb_card_rec *cardp) |
876c9d3a | 383 | { |
6d35fdfc | 384 | struct cmd_ds_command *cmd = (void *)&cardp->bulk_out_buffer[4]; |
876c9d3a | 385 | int ret; |
876c9d3a | 386 | |
3874d0fe HS |
387 | lbs_deb_enter(LBS_DEB_USB); |
388 | ||
6d35fdfc DW |
389 | *(__le32 *)cardp->bulk_out_buffer = cpu_to_le32(CMD_TYPE_REQUEST); |
390 | ||
391 | cmd->command = cpu_to_le16(CMD_802_11_RESET); | |
392 | cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN); | |
393 | cmd->result = cpu_to_le16(0); | |
394 | cmd->seqnum = cpu_to_le16(0x5a5a); | |
395 | cmd->params.reset.action = cpu_to_le16(CMD_ACT_HALT); | |
396 | usb_tx_block(cardp, cardp->bulk_out_buffer, 4 + S_DS_GEN + sizeof(struct cmd_ds_802_11_reset)); | |
397 | ||
c8ba39d0 | 398 | msleep(100); |
876c9d3a | 399 | ret = usb_reset_device(cardp->udev); |
c8ba39d0 | 400 | msleep(100); |
3874d0fe HS |
401 | |
402 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
403 | ||
876c9d3a MT |
404 | return ret; |
405 | } | |
406 | ||
407 | /** | |
408 | * @brief This function transfer the data to the device. | |
69f9032d | 409 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
410 | * @param payload pointer to payload data |
411 | * @param nb data length | |
412 | * @return 0 or -1 | |
413 | */ | |
954ee164 | 414 | static int usb_tx_block(struct usb_card_rec *cardp, u8 * payload, u16 nb) |
876c9d3a | 415 | { |
876c9d3a MT |
416 | int ret = -1; |
417 | ||
418 | /* check if device is removed */ | |
954ee164 | 419 | if (cardp->surprise_removed) { |
9012b28a | 420 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
421 | goto tx_ret; |
422 | } | |
423 | ||
424 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
425 | usb_sndbulkpipe(cardp->udev, | |
426 | cardp->bulk_out_endpointAddr), | |
954ee164 | 427 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
428 | |
429 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
430 | ||
431 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
432 | /* transfer failed */ | |
0856e681 | 433 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
876c9d3a MT |
434 | ret = -1; |
435 | } else { | |
9012b28a | 436 | /* lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb success\n"); */ |
876c9d3a MT |
437 | ret = 0; |
438 | } | |
439 | ||
440 | tx_ret: | |
441 | return ret; | |
442 | } | |
443 | ||
954ee164 DW |
444 | static int __if_usb_submit_rx_urb(struct usb_card_rec *cardp, |
445 | void (*callbackfn)(struct urb *urb)) | |
876c9d3a | 446 | { |
876c9d3a MT |
447 | struct sk_buff *skb; |
448 | struct read_cb_info *rinfo = &cardp->rinfo; | |
449 | int ret = -1; | |
450 | ||
451 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
452 | lbs_pr_err("No free skb\n"); | |
453 | goto rx_ret; | |
454 | } | |
455 | ||
456 | rinfo->skb = skb; | |
457 | ||
458 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
459 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
460 | usb_rcvbulkpipe(cardp->udev, | |
461 | cardp->bulk_in_endpointAddr), | |
4269e2ad | 462 | (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), |
876c9d3a MT |
463 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
464 | rinfo); | |
465 | ||
466 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
467 | ||
9012b28a | 468 | /* lbs_deb_usbd(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); */ |
876c9d3a MT |
469 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
470 | /* handle failure conditions */ | |
0856e681 | 471 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
77d8cf2c DW |
472 | kfree_skb(skb); |
473 | rinfo->skb = NULL; | |
876c9d3a MT |
474 | ret = -1; |
475 | } else { | |
9012b28a | 476 | /* lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB success\n"); */ |
876c9d3a MT |
477 | ret = 0; |
478 | } | |
479 | ||
480 | rx_ret: | |
481 | return ret; | |
482 | } | |
483 | ||
954ee164 | 484 | static int if_usb_submit_rx_urb_fwload(struct usb_card_rec *cardp) |
876c9d3a | 485 | { |
954ee164 | 486 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
487 | } |
488 | ||
954ee164 | 489 | static int if_usb_submit_rx_urb(struct usb_card_rec *cardp) |
876c9d3a | 490 | { |
954ee164 | 491 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
492 | } |
493 | ||
494 | static void if_usb_receive_fwload(struct urb *urb) | |
495 | { | |
496 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
876c9d3a | 497 | struct sk_buff *skb = rinfo->skb; |
954ee164 | 498 | struct usb_card_rec *cardp = (struct usb_card_rec *)rinfo->cardp; |
876c9d3a MT |
499 | struct fwsyncheader *syncfwheader; |
500 | struct bootcmdrespStr bootcmdresp; | |
501 | ||
502 | if (urb->status) { | |
9012b28a | 503 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
504 | "URB status is failed during fw load\n"); |
505 | kfree_skb(skb); | |
506 | return; | |
507 | } | |
508 | ||
c9cd6f9d DW |
509 | if (cardp->fwdnldover) { |
510 | __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
511 | ||
512 | if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && | |
513 | tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { | |
514 | lbs_pr_info("Firmware ready event received\n"); | |
515 | wake_up(&cardp->fw_wq); | |
516 | } else { | |
517 | lbs_deb_usb("Waiting for confirmation; got %x %x\n", le32_to_cpu(tmp[0]), | |
518 | le32_to_cpu(tmp[1])); | |
519 | if_usb_submit_rx_urb_fwload(cardp); | |
520 | } | |
521 | kfree_skb(skb); | |
522 | return; | |
523 | } | |
c8ba39d0 | 524 | if (cardp->bootcmdresp <= 0) { |
876c9d3a MT |
525 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, |
526 | sizeof(bootcmdresp)); | |
981f187b | 527 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 528 | kfree_skb(skb); |
954ee164 | 529 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a | 530 | cardp->bootcmdresp = 1; |
9012b28a | 531 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
532 | "Received valid boot command response\n"); |
533 | return; | |
534 | } | |
981f187b | 535 | if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
6d35fdfc DW |
536 | if (bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_REQUEST) || |
537 | bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_DATA) || | |
538 | bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_INDICATION)) { | |
c9cd6f9d DW |
539 | if (!cardp->bootcmdresp) |
540 | lbs_pr_info("Firmware already seems alive; resetting\n"); | |
6d35fdfc DW |
541 | cardp->bootcmdresp = -1; |
542 | } else { | |
543 | lbs_pr_info("boot cmd response wrong magic number (0x%x)\n", | |
544 | le32_to_cpu(bootcmdresp.u32magicnumber)); | |
545 | } | |
876c9d3a MT |
546 | } else if (bootcmdresp.u8cmd_tag != BOOT_CMD_FW_BY_USB) { |
547 | lbs_pr_info( | |
548 | "boot cmd response cmd_tag error (%d)\n", | |
549 | bootcmdresp.u8cmd_tag); | |
550 | } else if (bootcmdresp.u8result != BOOT_CMD_RESP_OK) { | |
551 | lbs_pr_info( | |
552 | "boot cmd response result error (%d)\n", | |
553 | bootcmdresp.u8result); | |
554 | } else { | |
555 | cardp->bootcmdresp = 1; | |
9012b28a | 556 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
557 | "Received valid boot command response\n"); |
558 | } | |
559 | kfree_skb(skb); | |
954ee164 | 560 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
561 | return; |
562 | } | |
563 | ||
564 | syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC); | |
565 | if (!syncfwheader) { | |
9012b28a | 566 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
567 | kfree_skb(skb); |
568 | return; | |
569 | } | |
570 | ||
571 | memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET, | |
572 | sizeof(struct fwsyncheader)); | |
573 | ||
574 | if (!syncfwheader->cmd) { | |
9012b28a HS |
575 | /* |
576 | lbs_deb_usbd(&cardp->udev->dev, | |
876c9d3a | 577 | "FW received Blk with correct CRC\n"); |
9012b28a | 578 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
579 | "FW received Blk seqnum = %d\n", |
580 | syncfwheader->seqnum); | |
9012b28a | 581 | */ |
876c9d3a MT |
582 | cardp->CRC_OK = 1; |
583 | } else { | |
9012b28a | 584 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
585 | "FW received Blk with CRC error\n"); |
586 | cardp->CRC_OK = 0; | |
587 | } | |
588 | ||
589 | kfree_skb(skb); | |
590 | ||
4f82f5c8 DW |
591 | /* reschedule timer for 200ms hence */ |
592 | mod_timer(&cardp->fw_timeout, jiffies + (HZ/5)); | |
593 | ||
876c9d3a MT |
594 | if (cardp->fwfinalblk) { |
595 | cardp->fwdnldover = 1; | |
596 | goto exit; | |
597 | } | |
598 | ||
4f82f5c8 | 599 | if_usb_send_fw_pkt(cardp); |
876c9d3a | 600 | |
4f82f5c8 | 601 | exit: |
c9cd6f9d DW |
602 | if_usb_submit_rx_urb_fwload(cardp); |
603 | ||
876c9d3a MT |
604 | kfree(syncfwheader); |
605 | ||
606 | return; | |
876c9d3a MT |
607 | } |
608 | ||
609 | #define MRVDRV_MIN_PKT_LEN 30 | |
610 | ||
611 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
612 | struct usb_card_rec *cardp, | |
69f9032d | 613 | struct lbs_private *priv) |
876c9d3a MT |
614 | { |
615 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + | |
616 | MESSAGE_HEADER_LEN || recvlength < MRVDRV_MIN_PKT_LEN) { | |
9012b28a | 617 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
618 | "Packet length is Invalid\n"); |
619 | kfree_skb(skb); | |
620 | return; | |
621 | } | |
622 | ||
623 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
624 | skb_put(skb, recvlength); | |
625 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
10078321 | 626 | lbs_process_rxed_packet(priv, skb); |
634b8f49 | 627 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a MT |
628 | } |
629 | ||
630 | static inline void process_cmdrequest(int recvlength, u8 *recvbuff, | |
631 | struct sk_buff *skb, | |
632 | struct usb_card_rec *cardp, | |
69f9032d | 633 | struct lbs_private *priv) |
876c9d3a MT |
634 | { |
635 | u8 *cmdbuf; | |
ddac4526 | 636 | if (recvlength > LBS_CMD_BUFFER_SIZE) { |
9012b28a | 637 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
638 | "The receive buffer is too large\n"); |
639 | kfree_skb(skb); | |
640 | return; | |
641 | } | |
642 | ||
643 | if (!in_interrupt()) | |
644 | BUG(); | |
645 | ||
aa21c004 | 646 | spin_lock(&priv->driver_lock); |
876c9d3a MT |
647 | /* take care of cur_cmd = NULL case by reading the |
648 | * data to clear the interrupt */ | |
aa21c004 | 649 | if (!priv->cur_cmd) { |
e1258177 | 650 | lbs_deb_hex(LBS_DEB_HOST, "Unsolicited CMD_RESP", (void *) recvbuff + MESSAGE_HEADER_LEN, priv->upld_len); |
634b8f49 | 651 | cmdbuf = priv->upld_buf; |
aa21c004 | 652 | priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
876c9d3a | 653 | } else |
ddac4526 | 654 | cmdbuf = (u8 *) priv->cur_cmd->cmdbuf; |
876c9d3a | 655 | |
c95c7f93 | 656 | cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY; |
634b8f49 | 657 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a | 658 | memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN, |
634b8f49 | 659 | priv->upld_len); |
876c9d3a MT |
660 | |
661 | kfree_skb(skb); | |
4f679496 | 662 | lbs_interrupt(priv); |
aa21c004 | 663 | spin_unlock(&priv->driver_lock); |
876c9d3a | 664 | |
9012b28a | 665 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
666 | "Wake up main thread to handle cmd response\n"); |
667 | ||
668 | return; | |
669 | } | |
670 | ||
671 | /** | |
672 | * @brief This function reads of the packet into the upload buff, | |
673 | * wake up the main thread and initialise the Rx callack. | |
674 | * | |
675 | * @param urb pointer to struct urb | |
676 | * @return N/A | |
677 | */ | |
678 | static void if_usb_receive(struct urb *urb) | |
679 | { | |
680 | struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; | |
876c9d3a | 681 | struct sk_buff *skb = rinfo->skb; |
954ee164 | 682 | struct usb_card_rec *cardp = (struct usb_card_rec *) rinfo->cardp; |
69f9032d | 683 | struct lbs_private *priv = cardp->priv; |
876c9d3a MT |
684 | |
685 | int recvlength = urb->actual_length; | |
686 | u8 *recvbuff = NULL; | |
8362cd41 | 687 | u32 recvtype = 0; |
876c9d3a | 688 | |
9012b28a | 689 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
690 | |
691 | if (recvlength) { | |
8362cd41 DW |
692 | __le32 tmp; |
693 | ||
876c9d3a | 694 | if (urb->status) { |
9012b28a | 695 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a MT |
696 | "URB status is failed\n"); |
697 | kfree_skb(skb); | |
698 | goto setup_for_next; | |
699 | } | |
700 | ||
701 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
8362cd41 DW |
702 | memcpy(&tmp, recvbuff, sizeof(u32)); |
703 | recvtype = le32_to_cpu(tmp); | |
9012b28a | 704 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
705 | "Recv length = 0x%x, Recv type = 0x%X\n", |
706 | recvlength, recvtype); | |
77d8cf2c DW |
707 | } else if (urb->status) { |
708 | kfree_skb(skb); | |
876c9d3a | 709 | goto rx_exit; |
77d8cf2c | 710 | } |
876c9d3a | 711 | |
876c9d3a MT |
712 | switch (recvtype) { |
713 | case CMD_TYPE_DATA: | |
714 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
715 | break; | |
716 | ||
717 | case CMD_TYPE_REQUEST: | |
718 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
719 | break; | |
720 | ||
721 | case CMD_TYPE_INDICATION: | |
722 | /* Event cause handling */ | |
aa21c004 | 723 | spin_lock(&priv->driver_lock); |
981f187b | 724 | cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN)); |
9012b28a | 725 | lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n", |
876c9d3a MT |
726 | cardp->usb_event_cause); |
727 | if (cardp->usb_event_cause & 0xffff0000) { | |
10078321 | 728 | lbs_send_tx_feedback(priv); |
aa21c004 | 729 | spin_unlock(&priv->driver_lock); |
876c9d3a MT |
730 | break; |
731 | } | |
981f187b | 732 | cardp->usb_event_cause <<= 3; |
c95c7f93 | 733 | cardp->usb_int_cause |= MRVDRV_CARDEVENT; |
876c9d3a | 734 | kfree_skb(skb); |
4f679496 | 735 | lbs_interrupt(priv); |
aa21c004 | 736 | spin_unlock(&priv->driver_lock); |
876c9d3a MT |
737 | goto rx_exit; |
738 | default: | |
8362cd41 DW |
739 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
740 | recvtype); | |
876c9d3a MT |
741 | kfree_skb(skb); |
742 | break; | |
743 | } | |
744 | ||
745 | setup_for_next: | |
954ee164 | 746 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 747 | rx_exit: |
9012b28a | 748 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
749 | } |
750 | ||
751 | /** | |
752 | * @brief This function downloads data to FW | |
69f9032d | 753 | * @param priv pointer to struct lbs_private structure |
876c9d3a MT |
754 | * @param type type of data |
755 | * @param buf pointer to data buffer | |
756 | * @param len number of bytes | |
757 | * @return 0 or -1 | |
758 | */ | |
69f9032d HS |
759 | static int if_usb_host_to_card(struct lbs_private *priv, |
760 | u8 type, | |
761 | u8 *payload, | |
762 | u16 nb) | |
876c9d3a | 763 | { |
634b8f49 | 764 | struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card; |
876c9d3a | 765 | |
9012b28a HS |
766 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
767 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
768 | |
769 | if (type == MVMS_CMD) { | |
8362cd41 | 770 | __le32 tmp = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 771 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a MT |
772 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
773 | MESSAGE_HEADER_LEN); | |
774 | ||
775 | } else { | |
8362cd41 | 776 | __le32 tmp = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 777 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
778 | memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, |
779 | MESSAGE_HEADER_LEN); | |
780 | } | |
781 | ||
782 | memcpy((cardp->bulk_out_buffer + MESSAGE_HEADER_LEN), payload, nb); | |
783 | ||
954ee164 | 784 | return usb_tx_block(cardp, cardp->bulk_out_buffer, |
8362cd41 | 785 | nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
786 | } |
787 | ||
aa21c004 | 788 | /* called with priv->driver_lock held */ |
69f9032d | 789 | static int if_usb_get_int_status(struct lbs_private *priv, u8 *ireg) |
876c9d3a | 790 | { |
634b8f49 | 791 | struct usb_card_rec *cardp = priv->card; |
876c9d3a MT |
792 | |
793 | *ireg = cardp->usb_int_cause; | |
794 | cardp->usb_int_cause = 0; | |
795 | ||
9012b28a | 796 | lbs_deb_usbd(&cardp->udev->dev,"Int cause is 0x%X\n", *ireg); |
876c9d3a MT |
797 | |
798 | return 0; | |
799 | } | |
800 | ||
69f9032d | 801 | static int if_usb_read_event_cause(struct lbs_private *priv) |
876c9d3a | 802 | { |
634b8f49 | 803 | struct usb_card_rec *cardp = priv->card; |
954ee164 | 804 | |
aa21c004 | 805 | priv->eventcause = cardp->usb_event_cause; |
876c9d3a | 806 | /* Re-submit rx urb here to avoid event lost issue */ |
954ee164 | 807 | if_usb_submit_rx_urb(cardp); |
876c9d3a MT |
808 | return 0; |
809 | } | |
810 | ||
9e22cb67 DW |
811 | /** |
812 | * @brief This function issues Boot command to the Boot2 code | |
813 | * @param ivalue 1:Boot from FW by USB-Download | |
814 | * 2:Boot from FW in EEPROM | |
815 | * @return 0 | |
816 | */ | |
954ee164 | 817 | static int if_usb_issue_boot_command(struct usb_card_rec *cardp, int ivalue) |
9e22cb67 | 818 | { |
954ee164 | 819 | struct bootcmdstr sbootcmd; |
9e22cb67 DW |
820 | int i; |
821 | ||
822 | /* Prepare command */ | |
823 | sbootcmd.u32magicnumber = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); | |
824 | sbootcmd.u8cmd_tag = ivalue; | |
825 | for (i=0; i<11; i++) | |
826 | sbootcmd.au8dumy[i]=0x00; | |
827 | memcpy(cardp->bulk_out_buffer, &sbootcmd, sizeof(struct bootcmdstr)); | |
828 | ||
829 | /* Issue command */ | |
954ee164 | 830 | usb_tx_block(cardp, cardp->bulk_out_buffer, sizeof(struct bootcmdstr)); |
9e22cb67 DW |
831 | |
832 | return 0; | |
833 | } | |
876c9d3a MT |
834 | |
835 | ||
954ee164 DW |
836 | /** |
837 | * @brief This function checks the validity of Boot2/FW image. | |
838 | * | |
839 | * @param data pointer to image | |
840 | * len image length | |
841 | * @return 0 or -1 | |
842 | */ | |
843 | static int check_fwfile_format(u8 *data, u32 totlen) | |
844 | { | |
845 | u32 bincmd, exit; | |
846 | u32 blksize, offset, len; | |
847 | int ret; | |
848 | ||
849 | ret = 1; | |
850 | exit = len = 0; | |
851 | ||
852 | do { | |
853 | struct fwheader *fwh = (void *)data; | |
854 | ||
855 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
856 | blksize = le32_to_cpu(fwh->datalength); | |
857 | switch (bincmd) { | |
858 | case FW_HAS_DATA_TO_RECV: | |
859 | offset = sizeof(struct fwheader) + blksize; | |
860 | data += offset; | |
861 | len += offset; | |
862 | if (len >= totlen) | |
863 | exit = 1; | |
864 | break; | |
865 | case FW_HAS_LAST_BLOCK: | |
866 | exit = 1; | |
867 | ret = 0; | |
868 | break; | |
869 | default: | |
870 | exit = 1; | |
871 | break; | |
872 | } | |
873 | } while (!exit); | |
874 | ||
875 | if (ret) | |
876 | lbs_pr_err("firmware file format check FAIL\n"); | |
877 | else | |
878 | lbs_deb_fw("firmware file format check PASS\n"); | |
879 | ||
880 | return ret; | |
881 | } | |
882 | ||
883 | ||
884 | static int if_usb_prog_firmware(struct usb_card_rec *cardp) | |
876c9d3a | 885 | { |
876c9d3a MT |
886 | int i = 0; |
887 | static int reset_count = 10; | |
9012b28a | 888 | int ret = 0; |
876c9d3a | 889 | |
9012b28a | 890 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 891 | |
10078321 | 892 | if ((ret = request_firmware(&cardp->fw, lbs_fw_name, |
954ee164 DW |
893 | &cardp->udev->dev)) < 0) { |
894 | lbs_pr_err("request_firmware() failed with %#x\n", ret); | |
10078321 | 895 | lbs_pr_err("firmware %s not found\n", lbs_fw_name); |
954ee164 DW |
896 | goto done; |
897 | } | |
898 | ||
899 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) | |
900 | goto release_fw; | |
876c9d3a MT |
901 | |
902 | restart: | |
954ee164 | 903 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a HS |
904 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
905 | ret = -1; | |
954ee164 | 906 | goto release_fw; |
876c9d3a MT |
907 | } |
908 | ||
876c9d3a MT |
909 | cardp->bootcmdresp = 0; |
910 | do { | |
911 | int j = 0; | |
912 | i++; | |
913 | /* Issue Boot command = 1, Boot from Download-FW */ | |
954ee164 | 914 | if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB); |
876c9d3a MT |
915 | /* wait for command response */ |
916 | do { | |
917 | j++; | |
918 | msleep_interruptible(100); | |
919 | } while (cardp->bootcmdresp == 0 && j < 10); | |
920 | } while (cardp->bootcmdresp == 0 && i < 5); | |
921 | ||
6d35fdfc | 922 | if (cardp->bootcmdresp <= 0) { |
876c9d3a | 923 | if (--reset_count >= 0) { |
954ee164 | 924 | if_usb_reset_device(cardp); |
876c9d3a MT |
925 | goto restart; |
926 | } | |
927 | return -1; | |
928 | } | |
876c9d3a MT |
929 | |
930 | i = 0; | |
876c9d3a MT |
931 | |
932 | cardp->totalbytes = 0; | |
933 | cardp->fwlastblksent = 0; | |
934 | cardp->CRC_OK = 1; | |
935 | cardp->fwdnldover = 0; | |
936 | cardp->fwseqnum = -1; | |
937 | cardp->totalbytes = 0; | |
938 | cardp->fwfinalblk = 0; | |
939 | ||
4f82f5c8 DW |
940 | /* Send the first firmware packet... */ |
941 | if_usb_send_fw_pkt(cardp); | |
876c9d3a | 942 | |
4f82f5c8 DW |
943 | /* ... and wait for the process to complete */ |
944 | wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); | |
945 | ||
946 | del_timer_sync(&cardp->fw_timeout); | |
c9cd6f9d | 947 | usb_kill_urb(cardp->rx_urb); |
876c9d3a MT |
948 | |
949 | if (!cardp->fwdnldover) { | |
950 | lbs_pr_info("failed to load fw, resetting device!\n"); | |
951 | if (--reset_count >= 0) { | |
954ee164 | 952 | if_usb_reset_device(cardp); |
876c9d3a MT |
953 | goto restart; |
954 | } | |
955 | ||
956 | lbs_pr_info("FW download failure, time = %d ms\n", i * 100); | |
9012b28a | 957 | ret = -1; |
954ee164 | 958 | goto release_fw; |
876c9d3a MT |
959 | } |
960 | ||
954ee164 DW |
961 | release_fw: |
962 | release_firmware(cardp->fw); | |
963 | cardp->fw = NULL; | |
876c9d3a | 964 | |
9012b28a HS |
965 | done: |
966 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
967 | return ret; | |
876c9d3a MT |
968 | } |
969 | ||
1df4e8fe | 970 | |
876c9d3a MT |
971 | #ifdef CONFIG_PM |
972 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
973 | { | |
974 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 975 | struct lbs_private *priv = cardp->priv; |
d1f7a5b8 | 976 | int ret; |
876c9d3a | 977 | |
9012b28a | 978 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 979 | |
aa21c004 | 980 | if (priv->psstate != PS_STATE_FULL_POWER) |
876c9d3a MT |
981 | return -1; |
982 | ||
d1f7a5b8 DW |
983 | ret = lbs_suspend(priv); |
984 | if (ret) | |
985 | goto out; | |
876c9d3a MT |
986 | |
987 | /* Unlink tx & rx urb */ | |
988 | usb_kill_urb(cardp->tx_urb); | |
989 | usb_kill_urb(cardp->rx_urb); | |
990 | ||
d1f7a5b8 | 991 | out: |
9012b28a | 992 | lbs_deb_leave(LBS_DEB_USB); |
d1f7a5b8 | 993 | return ret; |
876c9d3a MT |
994 | } |
995 | ||
996 | static int if_usb_resume(struct usb_interface *intf) | |
997 | { | |
998 | struct usb_card_rec *cardp = usb_get_intfdata(intf); | |
69f9032d | 999 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 1000 | |
9012b28a | 1001 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 1002 | |
6bc822b5 | 1003 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 1004 | |
d1f7a5b8 | 1005 | lbs_resume(priv); |
876c9d3a | 1006 | |
9012b28a | 1007 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1008 | return 0; |
1009 | } | |
1010 | #else | |
1011 | #define if_usb_suspend NULL | |
1012 | #define if_usb_resume NULL | |
1013 | #endif | |
1014 | ||
1015 | static struct usb_driver if_usb_driver = { | |
798fbfec | 1016 | .name = DRV_NAME, |
876c9d3a | 1017 | .probe = if_usb_probe, |
876c9d3a | 1018 | .disconnect = if_usb_disconnect, |
876c9d3a MT |
1019 | .id_table = if_usb_table, |
1020 | .suspend = if_usb_suspend, | |
1021 | .resume = if_usb_resume, | |
1022 | }; | |
1023 | ||
4fb910fd | 1024 | static int __init if_usb_init_module(void) |
876c9d3a | 1025 | { |
084708b6 | 1026 | int ret = 0; |
876c9d3a | 1027 | |
084708b6 HS |
1028 | lbs_deb_enter(LBS_DEB_MAIN); |
1029 | ||
084708b6 HS |
1030 | ret = usb_register(&if_usb_driver); |
1031 | ||
1032 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1033 | return ret; | |
876c9d3a MT |
1034 | } |
1035 | ||
4fb910fd | 1036 | static void __exit if_usb_exit_module(void) |
876c9d3a | 1037 | { |
084708b6 HS |
1038 | lbs_deb_enter(LBS_DEB_MAIN); |
1039 | ||
876c9d3a | 1040 | usb_deregister(&if_usb_driver); |
084708b6 HS |
1041 | |
1042 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 1043 | } |
084708b6 HS |
1044 | |
1045 | module_init(if_usb_init_module); | |
1046 | module_exit(if_usb_exit_module); | |
1047 | ||
1048 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
1049 | MODULE_AUTHOR("Marvell International Ltd."); | |
1050 | MODULE_LICENSE("GPL"); |