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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 | ||
eae86bf3 DW |
19 | #define INSANEDEBUG 0 |
20 | #define lbs_deb_usb2(...) do { if (INSANEDEBUG) lbs_deb_usbd(__VA_ARGS__); } while (0) | |
21 | ||
876c9d3a MT |
22 | #define MESSAGE_HEADER_LEN 4 |
23 | ||
82209adc | 24 | static char *lbs_fw_name = "usb8388.bin"; |
10078321 | 25 | module_param_named(fw_name, lbs_fw_name, charp, 0644); |
084708b6 | 26 | |
876c9d3a MT |
27 | static struct usb_device_id if_usb_table[] = { |
28 | /* Enter the device signature inside */ | |
66fcc559 HS |
29 | { USB_DEVICE(0x1286, 0x2001) }, |
30 | { USB_DEVICE(0x05a3, 0x8388) }, | |
876c9d3a MT |
31 | {} /* Terminating entry */ |
32 | }; | |
33 | ||
34 | MODULE_DEVICE_TABLE(usb, if_usb_table); | |
35 | ||
36 | static void if_usb_receive(struct urb *urb); | |
37 | static void if_usb_receive_fwload(struct urb *urb); | |
eae86bf3 DW |
38 | static int if_usb_prog_firmware(struct if_usb_card *cardp); |
39 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, | |
40 | uint8_t *payload, uint16_t nb); | |
41 | static int if_usb_get_int_status(struct lbs_private *priv, uint8_t *); | |
69f9032d | 42 | static int if_usb_read_event_cause(struct lbs_private *); |
eae86bf3 DW |
43 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, |
44 | uint16_t nb); | |
45 | static void if_usb_free(struct if_usb_card *cardp); | |
46 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp); | |
47 | static int if_usb_reset_device(struct if_usb_card *cardp); | |
876c9d3a MT |
48 | |
49 | /** | |
50 | * @brief call back function to handle the status of the URB | |
51 | * @param urb pointer to urb structure | |
52 | * @return N/A | |
53 | */ | |
54 | static void if_usb_write_bulk_callback(struct urb *urb) | |
55 | { | |
eae86bf3 | 56 | struct if_usb_card *cardp = (struct if_usb_card *) urb->context; |
876c9d3a MT |
57 | |
58 | /* handle the transmission complete validations */ | |
59 | ||
954ee164 | 60 | if (urb->status == 0) { |
69f9032d | 61 | struct lbs_private *priv = cardp->priv; |
954ee164 | 62 | |
eae86bf3 DW |
63 | lbs_deb_usb2(&urb->dev->dev, "URB status is successful\n"); |
64 | lbs_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n", | |
65 | urb->actual_length); | |
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 | |
eae86bf3 | 82 | * @param cardp pointer if_usb_card |
876c9d3a MT |
83 | * @return N/A |
84 | */ | |
eae86bf3 | 85 | static void if_usb_free(struct if_usb_card *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 | ||
eae86bf3 DW |
99 | kfree(cardp->ep_out_buf); |
100 | cardp->ep_out_buf = NULL; | |
876c9d3a | 101 | |
9012b28a | 102 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
103 | } |
104 | ||
4694961c | 105 | static void if_usb_setup_firmware(struct lbs_private *priv) |
04c80f1a DW |
106 | { |
107 | struct cmd_ds_set_boot2_ver b2_cmd; | |
4694961c | 108 | struct cmd_ds_802_11_fw_wake_method wake_method; |
04c80f1a | 109 | |
9fae899c | 110 | b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd)); |
04c80f1a | 111 | b2_cmd.action = 0; |
c2df2efe | 112 | b2_cmd.version = priv->boot2_version; |
04c80f1a | 113 | |
b23b2061 | 114 | if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd)) |
04c80f1a | 115 | lbs_deb_usb("Setting boot2 version failed\n"); |
4694961c DW |
116 | |
117 | priv->wol_gpio = 2; /* Wake via GPIO2... */ | |
118 | priv->wol_gap = 20; /* ... after 20ms */ | |
119 | lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA); | |
120 | ||
121 | wake_method.hdr.size = cpu_to_le16(sizeof(wake_method)); | |
122 | wake_method.action = cpu_to_le16(CMD_ACT_GET); | |
123 | if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) { | |
124 | lbs_pr_info("Firmware does not seem to support PS mode\n"); | |
125 | } else { | |
126 | if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) { | |
127 | lbs_deb_usb("Firmware seems to support PS with wake-via-command\n"); | |
128 | priv->ps_supported = 1; | |
129 | } else { | |
130 | /* The versions which boot up this way don't seem to | |
131 | work even if we set it to the command interrupt */ | |
132 | lbs_pr_info("Firmware doesn't wake via command interrupt; disabling PS mode\n"); | |
133 | } | |
134 | } | |
04c80f1a DW |
135 | } |
136 | ||
2fd6cfe3 | 137 | static void if_usb_fw_timeo(unsigned long priv) |
4f82f5c8 | 138 | { |
eae86bf3 | 139 | struct if_usb_card *cardp = (void *)priv; |
04c80f1a | 140 | |
4f82f5c8 DW |
141 | if (cardp->fwdnldover) { |
142 | lbs_deb_usb("Download complete, no event. Assuming success\n"); | |
143 | } else { | |
144 | lbs_pr_err("Download timed out\n"); | |
145 | cardp->surprise_removed = 1; | |
146 | } | |
147 | wake_up(&cardp->fw_wq); | |
148 | } | |
eae86bf3 | 149 | |
876c9d3a MT |
150 | /** |
151 | * @brief sets the configuration values | |
152 | * @param ifnum interface number | |
153 | * @param id pointer to usb_device_id | |
154 | * @return 0 on success, error code on failure | |
155 | */ | |
156 | static int if_usb_probe(struct usb_interface *intf, | |
157 | const struct usb_device_id *id) | |
158 | { | |
159 | struct usb_device *udev; | |
160 | struct usb_host_interface *iface_desc; | |
161 | struct usb_endpoint_descriptor *endpoint; | |
69f9032d | 162 | struct lbs_private *priv; |
eae86bf3 | 163 | struct if_usb_card *cardp; |
876c9d3a MT |
164 | int i; |
165 | ||
166 | udev = interface_to_usbdev(intf); | |
167 | ||
eae86bf3 | 168 | cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL); |
435a1acb | 169 | if (!cardp) { |
876c9d3a MT |
170 | lbs_pr_err("Out of memory allocating private data.\n"); |
171 | goto error; | |
172 | } | |
173 | ||
4f82f5c8 DW |
174 | setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp); |
175 | init_waitqueue_head(&cardp->fw_wq); | |
7e226272 | 176 | |
435a1acb | 177 | cardp->udev = udev; |
876c9d3a MT |
178 | iface_desc = intf->cur_altsetting; |
179 | ||
9012b28a | 180 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
eae86bf3 | 181 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
981f187b DW |
182 | le16_to_cpu(udev->descriptor.bcdUSB), |
183 | udev->descriptor.bDeviceClass, | |
184 | udev->descriptor.bDeviceSubClass, | |
185 | udev->descriptor.bDeviceProtocol); | |
876c9d3a MT |
186 | |
187 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
188 | endpoint = &iface_desc->endpoint[i].desc; | |
eae86bf3 DW |
189 | if (usb_endpoint_is_bulk_in(endpoint)) { |
190 | cardp->ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
191 | cardp->ep_in = usb_endpoint_num(endpoint); | |
876c9d3a | 192 | |
eae86bf3 DW |
193 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in); |
194 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size); | |
876c9d3a | 195 | |
eae86bf3 DW |
196 | } else if (usb_endpoint_is_bulk_out(endpoint)) { |
197 | cardp->ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
198 | cardp->ep_out = usb_endpoint_num(endpoint); | |
199 | ||
200 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out); | |
201 | lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size); | |
876c9d3a MT |
202 | } |
203 | } | |
eae86bf3 DW |
204 | if (!cardp->ep_out_size || !cardp->ep_in_size) { |
205 | lbs_deb_usbd(&udev->dev, "Endpoints not found\n"); | |
206 | goto dealloc; | |
207 | } | |
208 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
209 | lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n"); | |
210 | goto dealloc; | |
211 | } | |
212 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
213 | lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n"); | |
214 | goto dealloc; | |
215 | } | |
216 | cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL); | |
217 | if (!cardp->ep_out_buf) { | |
218 | lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n"); | |
219 | goto dealloc; | |
220 | } | |
876c9d3a | 221 | |
954ee164 | 222 | /* Upload firmware */ |
954ee164 | 223 | if (if_usb_prog_firmware(cardp)) { |
23d36eec | 224 | lbs_deb_usbd(&udev->dev, "FW upload failed\n"); |
954ee164 DW |
225 | goto err_prog_firmware; |
226 | } | |
227 | ||
10078321 | 228 | if (!(priv = lbs_add_card(cardp, &udev->dev))) |
954ee164 | 229 | goto err_prog_firmware; |
3874d0fe | 230 | |
954ee164 | 231 | cardp->priv = priv; |
c9cd6f9d | 232 | cardp->priv->fw_ready = 1; |
965f8bbc | 233 | |
208fdd2f HS |
234 | priv->hw_host_to_card = if_usb_host_to_card; |
235 | priv->hw_get_int_status = if_usb_get_int_status; | |
236 | priv->hw_read_event_cause = if_usb_read_event_cause; | |
c2df2efe | 237 | priv->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 238 | |
954ee164 | 239 | if_usb_submit_rx_urb(cardp); |
954ee164 | 240 | |
10078321 | 241 | if (lbs_start_card(priv)) |
954ee164 | 242 | goto err_start_card; |
32a74b7c | 243 | |
4694961c | 244 | if_usb_setup_firmware(priv); |
d1f7a5b8 | 245 | |
876c9d3a | 246 | usb_get_dev(udev); |
435a1acb | 247 | usb_set_intfdata(intf, cardp); |
876c9d3a | 248 | |
876c9d3a MT |
249 | return 0; |
250 | ||
954ee164 | 251 | err_start_card: |
10078321 | 252 | lbs_remove_card(priv); |
954ee164 DW |
253 | err_prog_firmware: |
254 | if_usb_reset_device(cardp); | |
876c9d3a | 255 | dealloc: |
435a1acb | 256 | if_usb_free(cardp); |
876c9d3a MT |
257 | |
258 | error: | |
259 | return -ENOMEM; | |
260 | } | |
261 | ||
262 | /** | |
263 | * @brief free resource and cleanup | |
435a1acb | 264 | * @param intf USB interface structure |
876c9d3a MT |
265 | * @return N/A |
266 | */ | |
267 | static void if_usb_disconnect(struct usb_interface *intf) | |
268 | { | |
eae86bf3 | 269 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 270 | struct lbs_private *priv = (struct lbs_private *) cardp->priv; |
876c9d3a | 271 | |
954ee164 | 272 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 273 | |
954ee164 | 274 | cardp->surprise_removed = 1; |
876c9d3a | 275 | |
954ee164 | 276 | if (priv) { |
aa21c004 | 277 | priv->surpriseremoved = 1; |
10078321 | 278 | lbs_stop_card(priv); |
10078321 | 279 | lbs_remove_card(priv); |
954ee164 | 280 | } |
876c9d3a MT |
281 | |
282 | /* Unlink and free urb */ | |
283 | if_usb_free(cardp); | |
284 | ||
285 | usb_set_intfdata(intf, NULL); | |
286 | usb_put_dev(interface_to_usbdev(intf)); | |
287 | ||
954ee164 | 288 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
289 | } |
290 | ||
291 | /** | |
292 | * @brief This function download FW | |
69f9032d | 293 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
294 | * @return 0 |
295 | */ | |
eae86bf3 | 296 | static int if_usb_send_fw_pkt(struct if_usb_card *cardp) |
876c9d3a | 297 | { |
eae86bf3 DW |
298 | struct fwdata *fwdata = cardp->ep_out_buf; |
299 | uint8_t *firmware = cardp->fw->data; | |
876c9d3a | 300 | |
eae86bf3 DW |
301 | /* If we got a CRC failure on the last block, back |
302 | up and retry it */ | |
876c9d3a MT |
303 | if (!cardp->CRC_OK) { |
304 | cardp->totalbytes = cardp->fwlastblksent; | |
eae86bf3 | 305 | cardp->fwseqnum--; |
876c9d3a MT |
306 | } |
307 | ||
eae86bf3 DW |
308 | lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n", |
309 | cardp->totalbytes); | |
876c9d3a | 310 | |
eae86bf3 DW |
311 | /* struct fwdata (which we sent to the card) has an |
312 | extra __le32 field in between the header and the data, | |
313 | which is not in the struct fwheader in the actual | |
314 | firmware binary. Insert the seqnum in the middle... */ | |
315 | memcpy(&fwdata->hdr, &firmware[cardp->totalbytes], | |
876c9d3a MT |
316 | sizeof(struct fwheader)); |
317 | ||
318 | cardp->fwlastblksent = cardp->totalbytes; | |
319 | cardp->totalbytes += sizeof(struct fwheader); | |
320 | ||
876c9d3a | 321 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
eae86bf3 | 322 | le32_to_cpu(fwdata->hdr.datalength)); |
876c9d3a | 323 | |
eae86bf3 DW |
324 | lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n", |
325 | le32_to_cpu(fwdata->hdr.datalength)); | |
876c9d3a | 326 | |
eae86bf3 DW |
327 | fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum); |
328 | cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength); | |
876c9d3a | 329 | |
eae86bf3 DW |
330 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) + |
331 | le32_to_cpu(fwdata->hdr.datalength)); | |
332 | ||
333 | if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { | |
334 | lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n"); | |
335 | lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n", | |
336 | cardp->fwseqnum, cardp->totalbytes); | |
337 | } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { | |
338 | lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n"); | |
339 | lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n"); | |
876c9d3a | 340 | |
876c9d3a MT |
341 | cardp->fwfinalblk = 1; |
342 | } | |
343 | ||
eae86bf3 DW |
344 | lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n", |
345 | cardp->totalbytes); | |
876c9d3a MT |
346 | |
347 | return 0; | |
348 | } | |
349 | ||
eae86bf3 | 350 | static int if_usb_reset_device(struct if_usb_card *cardp) |
876c9d3a | 351 | { |
eae86bf3 | 352 | struct cmd_ds_command *cmd = cardp->ep_out_buf + 4; |
876c9d3a | 353 | int ret; |
876c9d3a | 354 | |
3874d0fe HS |
355 | lbs_deb_enter(LBS_DEB_USB); |
356 | ||
eae86bf3 | 357 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
6d35fdfc DW |
358 | |
359 | cmd->command = cpu_to_le16(CMD_802_11_RESET); | |
360 | cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN); | |
361 | cmd->result = cpu_to_le16(0); | |
362 | cmd->seqnum = cpu_to_le16(0x5a5a); | |
363 | cmd->params.reset.action = cpu_to_le16(CMD_ACT_HALT); | |
eae86bf3 | 364 | usb_tx_block(cardp, cardp->ep_out_buf, 4 + S_DS_GEN + sizeof(struct cmd_ds_802_11_reset)); |
6d35fdfc | 365 | |
c8ba39d0 | 366 | msleep(100); |
876c9d3a | 367 | ret = usb_reset_device(cardp->udev); |
c8ba39d0 | 368 | msleep(100); |
3874d0fe HS |
369 | |
370 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); | |
371 | ||
876c9d3a MT |
372 | return ret; |
373 | } | |
374 | ||
375 | /** | |
376 | * @brief This function transfer the data to the device. | |
69f9032d | 377 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
378 | * @param payload pointer to payload data |
379 | * @param nb data length | |
380 | * @return 0 or -1 | |
381 | */ | |
eae86bf3 | 382 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb) |
876c9d3a | 383 | { |
876c9d3a MT |
384 | int ret = -1; |
385 | ||
386 | /* check if device is removed */ | |
954ee164 | 387 | if (cardp->surprise_removed) { |
9012b28a | 388 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
389 | goto tx_ret; |
390 | } | |
391 | ||
392 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
393 | usb_sndbulkpipe(cardp->udev, | |
eae86bf3 | 394 | cardp->ep_out), |
954ee164 | 395 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
396 | |
397 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
398 | ||
399 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
0856e681 | 400 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
876c9d3a MT |
401 | ret = -1; |
402 | } else { | |
eae86bf3 | 403 | lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n"); |
876c9d3a MT |
404 | ret = 0; |
405 | } | |
406 | ||
407 | tx_ret: | |
408 | return ret; | |
409 | } | |
410 | ||
eae86bf3 | 411 | static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, |
954ee164 | 412 | void (*callbackfn)(struct urb *urb)) |
876c9d3a | 413 | { |
876c9d3a | 414 | struct sk_buff *skb; |
876c9d3a MT |
415 | int ret = -1; |
416 | ||
417 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
418 | lbs_pr_err("No free skb\n"); | |
419 | goto rx_ret; | |
420 | } | |
421 | ||
eae86bf3 | 422 | cardp->rx_skb = skb; |
876c9d3a MT |
423 | |
424 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
425 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
eae86bf3 | 426 | usb_rcvbulkpipe(cardp->udev, cardp->ep_in), |
4269e2ad | 427 | (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), |
876c9d3a | 428 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
eae86bf3 | 429 | cardp); |
876c9d3a MT |
430 | |
431 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
432 | ||
eae86bf3 | 433 | lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); |
876c9d3a | 434 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
0856e681 | 435 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
77d8cf2c | 436 | kfree_skb(skb); |
eae86bf3 | 437 | cardp->rx_skb = NULL; |
876c9d3a MT |
438 | ret = -1; |
439 | } else { | |
eae86bf3 | 440 | lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n"); |
876c9d3a MT |
441 | ret = 0; |
442 | } | |
443 | ||
444 | rx_ret: | |
445 | return ret; | |
446 | } | |
447 | ||
eae86bf3 | 448 | static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp) |
876c9d3a | 449 | { |
954ee164 | 450 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
451 | } |
452 | ||
eae86bf3 | 453 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp) |
876c9d3a | 454 | { |
954ee164 | 455 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
456 | } |
457 | ||
458 | static void if_usb_receive_fwload(struct urb *urb) | |
459 | { | |
eae86bf3 DW |
460 | struct if_usb_card *cardp = urb->context; |
461 | struct sk_buff *skb = cardp->rx_skb; | |
876c9d3a | 462 | struct fwsyncheader *syncfwheader; |
eae86bf3 | 463 | struct bootcmdresp bootcmdresp; |
876c9d3a MT |
464 | |
465 | if (urb->status) { | |
9012b28a | 466 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 467 | "URB status is failed during fw load\n"); |
876c9d3a MT |
468 | kfree_skb(skb); |
469 | return; | |
470 | } | |
471 | ||
c9cd6f9d DW |
472 | if (cardp->fwdnldover) { |
473 | __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
474 | ||
475 | if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && | |
476 | tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { | |
477 | lbs_pr_info("Firmware ready event received\n"); | |
478 | wake_up(&cardp->fw_wq); | |
479 | } else { | |
eae86bf3 DW |
480 | lbs_deb_usb("Waiting for confirmation; got %x %x\n", |
481 | le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1])); | |
c9cd6f9d DW |
482 | if_usb_submit_rx_urb_fwload(cardp); |
483 | } | |
484 | kfree_skb(skb); | |
485 | return; | |
486 | } | |
c8ba39d0 | 487 | if (cardp->bootcmdresp <= 0) { |
876c9d3a MT |
488 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, |
489 | sizeof(bootcmdresp)); | |
eae86bf3 | 490 | |
981f187b | 491 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 492 | kfree_skb(skb); |
954ee164 | 493 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a | 494 | cardp->bootcmdresp = 1; |
9012b28a | 495 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 496 | "Received valid boot command response\n"); |
876c9d3a MT |
497 | return; |
498 | } | |
eae86bf3 DW |
499 | if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
500 | if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) || | |
501 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) || | |
502 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) { | |
c9cd6f9d DW |
503 | if (!cardp->bootcmdresp) |
504 | lbs_pr_info("Firmware already seems alive; resetting\n"); | |
6d35fdfc DW |
505 | cardp->bootcmdresp = -1; |
506 | } else { | |
507 | lbs_pr_info("boot cmd response wrong magic number (0x%x)\n", | |
eae86bf3 | 508 | le32_to_cpu(bootcmdresp.magic)); |
6d35fdfc | 509 | } |
eae86bf3 DW |
510 | } else if (bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) { |
511 | lbs_pr_info("boot cmd response cmd_tag error (%d)\n", | |
512 | bootcmdresp.cmd); | |
513 | } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) { | |
514 | lbs_pr_info("boot cmd response result error (%d)\n", | |
515 | bootcmdresp.result); | |
876c9d3a MT |
516 | } else { |
517 | cardp->bootcmdresp = 1; | |
9012b28a | 518 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 519 | "Received valid boot command response\n"); |
876c9d3a MT |
520 | } |
521 | kfree_skb(skb); | |
954ee164 | 522 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
523 | return; |
524 | } | |
525 | ||
526 | syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC); | |
527 | if (!syncfwheader) { | |
9012b28a | 528 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
529 | kfree_skb(skb); |
530 | return; | |
531 | } | |
532 | ||
533 | memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET, | |
eae86bf3 | 534 | sizeof(struct fwsyncheader)); |
876c9d3a MT |
535 | |
536 | if (!syncfwheader->cmd) { | |
eae86bf3 DW |
537 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n"); |
538 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n", | |
539 | le32_to_cpu(syncfwheader->seqnum)); | |
876c9d3a MT |
540 | cardp->CRC_OK = 1; |
541 | } else { | |
eae86bf3 | 542 | lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n"); |
876c9d3a MT |
543 | cardp->CRC_OK = 0; |
544 | } | |
545 | ||
546 | kfree_skb(skb); | |
547 | ||
4f82f5c8 DW |
548 | /* reschedule timer for 200ms hence */ |
549 | mod_timer(&cardp->fw_timeout, jiffies + (HZ/5)); | |
550 | ||
876c9d3a MT |
551 | if (cardp->fwfinalblk) { |
552 | cardp->fwdnldover = 1; | |
553 | goto exit; | |
554 | } | |
555 | ||
4f82f5c8 | 556 | if_usb_send_fw_pkt(cardp); |
876c9d3a | 557 | |
4f82f5c8 | 558 | exit: |
c9cd6f9d DW |
559 | if_usb_submit_rx_urb_fwload(cardp); |
560 | ||
876c9d3a MT |
561 | kfree(syncfwheader); |
562 | ||
563 | return; | |
876c9d3a MT |
564 | } |
565 | ||
566 | #define MRVDRV_MIN_PKT_LEN 30 | |
567 | ||
568 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
eae86bf3 | 569 | struct if_usb_card *cardp, |
69f9032d | 570 | struct lbs_private *priv) |
876c9d3a | 571 | { |
eae86bf3 DW |
572 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN |
573 | || recvlength < MRVDRV_MIN_PKT_LEN) { | |
574 | lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n"); | |
876c9d3a MT |
575 | kfree_skb(skb); |
576 | return; | |
577 | } | |
578 | ||
579 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
580 | skb_put(skb, recvlength); | |
581 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
eae86bf3 | 582 | |
10078321 | 583 | lbs_process_rxed_packet(priv, skb); |
634b8f49 | 584 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
876c9d3a MT |
585 | } |
586 | ||
eae86bf3 | 587 | static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, |
876c9d3a | 588 | struct sk_buff *skb, |
eae86bf3 | 589 | struct if_usb_card *cardp, |
69f9032d | 590 | struct lbs_private *priv) |
876c9d3a | 591 | { |
ddac4526 | 592 | if (recvlength > LBS_CMD_BUFFER_SIZE) { |
9012b28a | 593 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 594 | "The receive buffer is too large\n"); |
876c9d3a MT |
595 | kfree_skb(skb); |
596 | return; | |
597 | } | |
598 | ||
599 | if (!in_interrupt()) | |
600 | BUG(); | |
601 | ||
aa21c004 | 602 | spin_lock(&priv->driver_lock); |
c95c7f93 | 603 | cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY; |
634b8f49 | 604 | priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); |
7003b078 | 605 | memcpy(priv->upld_buf, recvbuff + MESSAGE_HEADER_LEN, priv->upld_len); |
876c9d3a MT |
606 | |
607 | kfree_skb(skb); | |
4f679496 | 608 | lbs_interrupt(priv); |
aa21c004 | 609 | spin_unlock(&priv->driver_lock); |
876c9d3a | 610 | |
9012b28a | 611 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 612 | "Wake up main thread to handle cmd response\n"); |
876c9d3a MT |
613 | } |
614 | ||
615 | /** | |
616 | * @brief This function reads of the packet into the upload buff, | |
617 | * wake up the main thread and initialise the Rx callack. | |
618 | * | |
619 | * @param urb pointer to struct urb | |
620 | * @return N/A | |
621 | */ | |
622 | static void if_usb_receive(struct urb *urb) | |
623 | { | |
eae86bf3 DW |
624 | struct if_usb_card *cardp = urb->context; |
625 | struct sk_buff *skb = cardp->rx_skb; | |
69f9032d | 626 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 627 | int recvlength = urb->actual_length; |
eae86bf3 DW |
628 | uint8_t *recvbuff = NULL; |
629 | uint32_t recvtype = 0; | |
630 | __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
876c9d3a | 631 | |
9012b28a | 632 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
633 | |
634 | if (recvlength) { | |
635 | if (urb->status) { | |
eae86bf3 DW |
636 | lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n", |
637 | urb->status); | |
876c9d3a MT |
638 | kfree_skb(skb); |
639 | goto setup_for_next; | |
640 | } | |
641 | ||
642 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
eae86bf3 | 643 | recvtype = le32_to_cpu(pkt[0]); |
9012b28a | 644 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
645 | "Recv length = 0x%x, Recv type = 0x%X\n", |
646 | recvlength, recvtype); | |
77d8cf2c DW |
647 | } else if (urb->status) { |
648 | kfree_skb(skb); | |
876c9d3a | 649 | goto rx_exit; |
77d8cf2c | 650 | } |
876c9d3a | 651 | |
876c9d3a MT |
652 | switch (recvtype) { |
653 | case CMD_TYPE_DATA: | |
654 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
655 | break; | |
656 | ||
657 | case CMD_TYPE_REQUEST: | |
658 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
659 | break; | |
660 | ||
661 | case CMD_TYPE_INDICATION: | |
662 | /* Event cause handling */ | |
aa21c004 | 663 | spin_lock(&priv->driver_lock); |
eae86bf3 DW |
664 | |
665 | cardp->usb_event_cause = le32_to_cpu(pkt[1]); | |
666 | ||
9012b28a | 667 | lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n", |
eae86bf3 DW |
668 | cardp->usb_event_cause); |
669 | ||
670 | /* Icky undocumented magic special case */ | |
876c9d3a | 671 | if (cardp->usb_event_cause & 0xffff0000) { |
10078321 | 672 | lbs_send_tx_feedback(priv); |
aa21c004 | 673 | spin_unlock(&priv->driver_lock); |
876c9d3a MT |
674 | break; |
675 | } | |
981f187b | 676 | cardp->usb_event_cause <<= 3; |
c95c7f93 | 677 | cardp->usb_int_cause |= MRVDRV_CARDEVENT; |
876c9d3a | 678 | kfree_skb(skb); |
4f679496 | 679 | lbs_interrupt(priv); |
aa21c004 | 680 | spin_unlock(&priv->driver_lock); |
876c9d3a MT |
681 | goto rx_exit; |
682 | default: | |
8362cd41 | 683 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
eae86bf3 | 684 | recvtype); |
876c9d3a MT |
685 | kfree_skb(skb); |
686 | break; | |
687 | } | |
688 | ||
689 | setup_for_next: | |
954ee164 | 690 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 691 | rx_exit: |
9012b28a | 692 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
693 | } |
694 | ||
695 | /** | |
696 | * @brief This function downloads data to FW | |
69f9032d | 697 | * @param priv pointer to struct lbs_private structure |
876c9d3a MT |
698 | * @param type type of data |
699 | * @param buf pointer to data buffer | |
700 | * @param len number of bytes | |
701 | * @return 0 or -1 | |
702 | */ | |
eae86bf3 DW |
703 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
704 | uint8_t *payload, uint16_t nb) | |
876c9d3a | 705 | { |
eae86bf3 | 706 | struct if_usb_card *cardp = priv->card; |
876c9d3a | 707 | |
9012b28a HS |
708 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
709 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
710 | |
711 | if (type == MVMS_CMD) { | |
eae86bf3 | 712 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 713 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a | 714 | } else { |
eae86bf3 | 715 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 716 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
717 | } |
718 | ||
eae86bf3 | 719 | memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb); |
876c9d3a | 720 | |
eae86bf3 | 721 | return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
722 | } |
723 | ||
aa21c004 | 724 | /* called with priv->driver_lock held */ |
eae86bf3 | 725 | static int if_usb_get_int_status(struct lbs_private *priv, uint8_t *ireg) |
876c9d3a | 726 | { |
eae86bf3 | 727 | struct if_usb_card *cardp = priv->card; |
876c9d3a MT |
728 | |
729 | *ireg = cardp->usb_int_cause; | |
730 | cardp->usb_int_cause = 0; | |
731 | ||
eae86bf3 | 732 | lbs_deb_usbd(&cardp->udev->dev, "Int cause is 0x%X\n", *ireg); |
876c9d3a MT |
733 | |
734 | return 0; | |
735 | } | |
736 | ||
69f9032d | 737 | static int if_usb_read_event_cause(struct lbs_private *priv) |
876c9d3a | 738 | { |
eae86bf3 | 739 | struct if_usb_card *cardp = priv->card; |
954ee164 | 740 | |
aa21c004 | 741 | priv->eventcause = cardp->usb_event_cause; |
876c9d3a | 742 | /* Re-submit rx urb here to avoid event lost issue */ |
954ee164 | 743 | if_usb_submit_rx_urb(cardp); |
eae86bf3 | 744 | |
876c9d3a MT |
745 | return 0; |
746 | } | |
747 | ||
9e22cb67 DW |
748 | /** |
749 | * @brief This function issues Boot command to the Boot2 code | |
750 | * @param ivalue 1:Boot from FW by USB-Download | |
751 | * 2:Boot from FW in EEPROM | |
752 | * @return 0 | |
753 | */ | |
eae86bf3 | 754 | static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue) |
9e22cb67 | 755 | { |
eae86bf3 | 756 | struct bootcmd *bootcmd = cardp->ep_out_buf; |
9e22cb67 DW |
757 | |
758 | /* Prepare command */ | |
eae86bf3 DW |
759 | bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); |
760 | bootcmd->cmd = ivalue; | |
761 | memset(bootcmd->pad, 0, sizeof(bootcmd->pad)); | |
9e22cb67 DW |
762 | |
763 | /* Issue command */ | |
eae86bf3 | 764 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd)); |
9e22cb67 DW |
765 | |
766 | return 0; | |
767 | } | |
876c9d3a MT |
768 | |
769 | ||
954ee164 DW |
770 | /** |
771 | * @brief This function checks the validity of Boot2/FW image. | |
772 | * | |
773 | * @param data pointer to image | |
774 | * len image length | |
775 | * @return 0 or -1 | |
776 | */ | |
eae86bf3 | 777 | static int check_fwfile_format(uint8_t *data, uint32_t totlen) |
954ee164 | 778 | { |
eae86bf3 DW |
779 | uint32_t bincmd, exit; |
780 | uint32_t blksize, offset, len; | |
954ee164 DW |
781 | int ret; |
782 | ||
783 | ret = 1; | |
784 | exit = len = 0; | |
785 | ||
786 | do { | |
787 | struct fwheader *fwh = (void *)data; | |
788 | ||
789 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
790 | blksize = le32_to_cpu(fwh->datalength); | |
791 | switch (bincmd) { | |
792 | case FW_HAS_DATA_TO_RECV: | |
793 | offset = sizeof(struct fwheader) + blksize; | |
794 | data += offset; | |
795 | len += offset; | |
796 | if (len >= totlen) | |
797 | exit = 1; | |
798 | break; | |
799 | case FW_HAS_LAST_BLOCK: | |
800 | exit = 1; | |
801 | ret = 0; | |
802 | break; | |
803 | default: | |
804 | exit = 1; | |
805 | break; | |
806 | } | |
807 | } while (!exit); | |
808 | ||
809 | if (ret) | |
810 | lbs_pr_err("firmware file format check FAIL\n"); | |
811 | else | |
812 | lbs_deb_fw("firmware file format check PASS\n"); | |
813 | ||
814 | return ret; | |
815 | } | |
816 | ||
817 | ||
eae86bf3 | 818 | static int if_usb_prog_firmware(struct if_usb_card *cardp) |
876c9d3a | 819 | { |
876c9d3a MT |
820 | int i = 0; |
821 | static int reset_count = 10; | |
9012b28a | 822 | int ret = 0; |
876c9d3a | 823 | |
9012b28a | 824 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 825 | |
10078321 | 826 | if ((ret = request_firmware(&cardp->fw, lbs_fw_name, |
954ee164 DW |
827 | &cardp->udev->dev)) < 0) { |
828 | lbs_pr_err("request_firmware() failed with %#x\n", ret); | |
10078321 | 829 | lbs_pr_err("firmware %s not found\n", lbs_fw_name); |
954ee164 DW |
830 | goto done; |
831 | } | |
832 | ||
833 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) | |
834 | goto release_fw; | |
876c9d3a MT |
835 | |
836 | restart: | |
954ee164 | 837 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a HS |
838 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
839 | ret = -1; | |
954ee164 | 840 | goto release_fw; |
876c9d3a MT |
841 | } |
842 | ||
876c9d3a MT |
843 | cardp->bootcmdresp = 0; |
844 | do { | |
845 | int j = 0; | |
846 | i++; | |
847 | /* Issue Boot command = 1, Boot from Download-FW */ | |
954ee164 | 848 | if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB); |
876c9d3a MT |
849 | /* wait for command response */ |
850 | do { | |
851 | j++; | |
852 | msleep_interruptible(100); | |
853 | } while (cardp->bootcmdresp == 0 && j < 10); | |
854 | } while (cardp->bootcmdresp == 0 && i < 5); | |
855 | ||
6d35fdfc | 856 | if (cardp->bootcmdresp <= 0) { |
876c9d3a | 857 | if (--reset_count >= 0) { |
954ee164 | 858 | if_usb_reset_device(cardp); |
876c9d3a MT |
859 | goto restart; |
860 | } | |
861 | return -1; | |
862 | } | |
876c9d3a MT |
863 | |
864 | i = 0; | |
876c9d3a MT |
865 | |
866 | cardp->totalbytes = 0; | |
867 | cardp->fwlastblksent = 0; | |
868 | cardp->CRC_OK = 1; | |
869 | cardp->fwdnldover = 0; | |
870 | cardp->fwseqnum = -1; | |
871 | cardp->totalbytes = 0; | |
872 | cardp->fwfinalblk = 0; | |
873 | ||
4f82f5c8 DW |
874 | /* Send the first firmware packet... */ |
875 | if_usb_send_fw_pkt(cardp); | |
876c9d3a | 876 | |
4f82f5c8 DW |
877 | /* ... and wait for the process to complete */ |
878 | wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); | |
7e226272 | 879 | |
4f82f5c8 | 880 | del_timer_sync(&cardp->fw_timeout); |
c9cd6f9d | 881 | usb_kill_urb(cardp->rx_urb); |
876c9d3a MT |
882 | |
883 | if (!cardp->fwdnldover) { | |
884 | lbs_pr_info("failed to load fw, resetting device!\n"); | |
885 | if (--reset_count >= 0) { | |
954ee164 | 886 | if_usb_reset_device(cardp); |
876c9d3a MT |
887 | goto restart; |
888 | } | |
889 | ||
890 | lbs_pr_info("FW download failure, time = %d ms\n", i * 100); | |
9012b28a | 891 | ret = -1; |
954ee164 | 892 | goto release_fw; |
876c9d3a MT |
893 | } |
894 | ||
eae86bf3 | 895 | release_fw: |
954ee164 DW |
896 | release_firmware(cardp->fw); |
897 | cardp->fw = NULL; | |
876c9d3a | 898 | |
eae86bf3 | 899 | done: |
9012b28a HS |
900 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
901 | return ret; | |
876c9d3a MT |
902 | } |
903 | ||
1df4e8fe | 904 | |
876c9d3a MT |
905 | #ifdef CONFIG_PM |
906 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
907 | { | |
eae86bf3 | 908 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 909 | struct lbs_private *priv = cardp->priv; |
d1f7a5b8 | 910 | int ret; |
876c9d3a | 911 | |
9012b28a | 912 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 913 | |
aa21c004 | 914 | if (priv->psstate != PS_STATE_FULL_POWER) |
876c9d3a MT |
915 | return -1; |
916 | ||
d1f7a5b8 DW |
917 | ret = lbs_suspend(priv); |
918 | if (ret) | |
919 | goto out; | |
876c9d3a MT |
920 | |
921 | /* Unlink tx & rx urb */ | |
922 | usb_kill_urb(cardp->tx_urb); | |
923 | usb_kill_urb(cardp->rx_urb); | |
924 | ||
d1f7a5b8 | 925 | out: |
9012b28a | 926 | lbs_deb_leave(LBS_DEB_USB); |
d1f7a5b8 | 927 | return ret; |
876c9d3a MT |
928 | } |
929 | ||
930 | static int if_usb_resume(struct usb_interface *intf) | |
931 | { | |
eae86bf3 | 932 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 933 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 934 | |
9012b28a | 935 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 936 | |
6bc822b5 | 937 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 938 | |
d1f7a5b8 | 939 | lbs_resume(priv); |
876c9d3a | 940 | |
9012b28a | 941 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
942 | return 0; |
943 | } | |
944 | #else | |
945 | #define if_usb_suspend NULL | |
946 | #define if_usb_resume NULL | |
947 | #endif | |
948 | ||
949 | static struct usb_driver if_usb_driver = { | |
798fbfec | 950 | .name = DRV_NAME, |
876c9d3a | 951 | .probe = if_usb_probe, |
876c9d3a | 952 | .disconnect = if_usb_disconnect, |
876c9d3a MT |
953 | .id_table = if_usb_table, |
954 | .suspend = if_usb_suspend, | |
955 | .resume = if_usb_resume, | |
956 | }; | |
957 | ||
4fb910fd | 958 | static int __init if_usb_init_module(void) |
876c9d3a | 959 | { |
084708b6 | 960 | int ret = 0; |
876c9d3a | 961 | |
084708b6 HS |
962 | lbs_deb_enter(LBS_DEB_MAIN); |
963 | ||
084708b6 HS |
964 | ret = usb_register(&if_usb_driver); |
965 | ||
966 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
967 | return ret; | |
876c9d3a MT |
968 | } |
969 | ||
4fb910fd | 970 | static void __exit if_usb_exit_module(void) |
876c9d3a | 971 | { |
084708b6 HS |
972 | lbs_deb_enter(LBS_DEB_MAIN); |
973 | ||
876c9d3a | 974 | usb_deregister(&if_usb_driver); |
084708b6 HS |
975 | |
976 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 977 | } |
084708b6 HS |
978 | |
979 | module_init(if_usb_init_module); | |
980 | module_exit(if_usb_exit_module); | |
981 | ||
982 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
eae86bf3 | 983 | MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc."); |
084708b6 | 984 | MODULE_LICENSE("GPL"); |