Commit | Line | Data |
---|---|---|
876c9d3a MT |
1 | /** |
2 | * This file contains functions used in USB interface module. | |
3 | */ | |
4 | #include <linux/delay.h> | |
084708b6 | 5 | #include <linux/moduleparam.h> |
876c9d3a MT |
6 | #include <linux/firmware.h> |
7 | #include <linux/netdevice.h> | |
8 | #include <linux/usb.h> | |
9 | ||
b77ec4ca DW |
10 | #ifdef CONFIG_OLPC |
11 | #include <asm/olpc.h> | |
12 | #endif | |
13 | ||
ec3eef28 HS |
14 | #define DRV_NAME "usb8xxx" |
15 | ||
876c9d3a | 16 | #include "host.h" |
876c9d3a MT |
17 | #include "decl.h" |
18 | #include "defs.h" | |
19 | #include "dev.h" | |
14e865ba | 20 | #include "cmd.h" |
876c9d3a MT |
21 | #include "if_usb.h" |
22 | ||
eae86bf3 DW |
23 | #define INSANEDEBUG 0 |
24 | #define lbs_deb_usb2(...) do { if (INSANEDEBUG) lbs_deb_usbd(__VA_ARGS__); } while (0) | |
25 | ||
876c9d3a MT |
26 | #define MESSAGE_HEADER_LEN 4 |
27 | ||
82209adc | 28 | static char *lbs_fw_name = "usb8388.bin"; |
10078321 | 29 | module_param_named(fw_name, lbs_fw_name, charp, 0644); |
084708b6 | 30 | |
876c9d3a MT |
31 | static struct usb_device_id if_usb_table[] = { |
32 | /* Enter the device signature inside */ | |
66fcc559 HS |
33 | { USB_DEVICE(0x1286, 0x2001) }, |
34 | { USB_DEVICE(0x05a3, 0x8388) }, | |
876c9d3a MT |
35 | {} /* Terminating entry */ |
36 | }; | |
37 | ||
38 | MODULE_DEVICE_TABLE(usb, if_usb_table); | |
39 | ||
40 | static void if_usb_receive(struct urb *urb); | |
41 | static void if_usb_receive_fwload(struct urb *urb); | |
1556c0f2 BC |
42 | static int __if_usb_prog_firmware(struct if_usb_card *cardp, |
43 | const char *fwname, int cmd); | |
44 | static int if_usb_prog_firmware(struct if_usb_card *cardp, | |
45 | const char *fwname, int cmd); | |
eae86bf3 DW |
46 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
47 | uint8_t *payload, uint16_t nb); | |
eae86bf3 DW |
48 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, |
49 | uint16_t nb); | |
50 | static void if_usb_free(struct if_usb_card *cardp); | |
51 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp); | |
52 | static int if_usb_reset_device(struct if_usb_card *cardp); | |
876c9d3a | 53 | |
1ff41eb0 BC |
54 | /* sysfs hooks */ |
55 | ||
56 | /** | |
57 | * Set function to write firmware to device's persistent memory | |
58 | */ | |
59 | static ssize_t if_usb_firmware_set(struct device *dev, | |
60 | struct device_attribute *attr, const char *buf, size_t count) | |
61 | { | |
ab65f649 | 62 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
1ff41eb0 | 63 | struct if_usb_card *cardp = priv->card; |
1ff41eb0 BC |
64 | int ret; |
65 | ||
cadeba31 | 66 | ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_FW); |
1ff41eb0 BC |
67 | if (ret == 0) |
68 | return count; | |
69 | ||
70 | return ret; | |
71 | } | |
72 | ||
73 | /** | |
74 | * lbs_flash_fw attribute to be exported per ethX interface through sysfs | |
75 | * (/sys/class/net/ethX/lbs_flash_fw). Use this like so to write firmware to | |
76 | * the device's persistent memory: | |
77 | * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_flash_fw | |
78 | */ | |
79 | static DEVICE_ATTR(lbs_flash_fw, 0200, NULL, if_usb_firmware_set); | |
80 | ||
81 | /** | |
82 | * Set function to write firmware to device's persistent memory | |
83 | */ | |
84 | static ssize_t if_usb_boot2_set(struct device *dev, | |
85 | struct device_attribute *attr, const char *buf, size_t count) | |
86 | { | |
ab65f649 | 87 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
1ff41eb0 | 88 | struct if_usb_card *cardp = priv->card; |
1ff41eb0 BC |
89 | int ret; |
90 | ||
cadeba31 | 91 | ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_BOOT2); |
1ff41eb0 BC |
92 | if (ret == 0) |
93 | return count; | |
94 | ||
95 | return ret; | |
96 | } | |
97 | ||
98 | /** | |
99 | * lbs_flash_boot2 attribute to be exported per ethX interface through sysfs | |
100 | * (/sys/class/net/ethX/lbs_flash_boot2). Use this like so to write firmware | |
101 | * to the device's persistent memory: | |
102 | * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_flash_boot2 | |
103 | */ | |
104 | static DEVICE_ATTR(lbs_flash_boot2, 0200, NULL, if_usb_boot2_set); | |
105 | ||
876c9d3a MT |
106 | /** |
107 | * @brief call back function to handle the status of the URB | |
108 | * @param urb pointer to urb structure | |
109 | * @return N/A | |
110 | */ | |
111 | static void if_usb_write_bulk_callback(struct urb *urb) | |
112 | { | |
eae86bf3 | 113 | struct if_usb_card *cardp = (struct if_usb_card *) urb->context; |
876c9d3a MT |
114 | |
115 | /* handle the transmission complete validations */ | |
116 | ||
954ee164 | 117 | if (urb->status == 0) { |
69f9032d | 118 | struct lbs_private *priv = cardp->priv; |
954ee164 | 119 | |
eae86bf3 DW |
120 | lbs_deb_usb2(&urb->dev->dev, "URB status is successful\n"); |
121 | lbs_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n", | |
122 | urb->actual_length); | |
954ee164 | 123 | |
1556c0f2 BC |
124 | /* Boot commands such as UPDATE_FW and UPDATE_BOOT2 are not |
125 | * passed up to the lbs level. | |
954ee164 | 126 | */ |
1556c0f2 | 127 | if (priv && priv->dnld_sent != DNLD_BOOTCMD_SENT) |
e775ed7c | 128 | lbs_host_to_card_done(priv); |
954ee164 DW |
129 | } else { |
130 | /* print the failure status number for debug */ | |
131 | lbs_pr_info("URB in failure status: %d\n", urb->status); | |
876c9d3a MT |
132 | } |
133 | ||
134 | return; | |
135 | } | |
136 | ||
137 | /** | |
138 | * @brief free tx/rx urb, skb and rx buffer | |
eae86bf3 | 139 | * @param cardp pointer if_usb_card |
876c9d3a MT |
140 | * @return N/A |
141 | */ | |
eae86bf3 | 142 | static void if_usb_free(struct if_usb_card *cardp) |
876c9d3a | 143 | { |
9012b28a | 144 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
145 | |
146 | /* Unlink tx & rx urb */ | |
147 | usb_kill_urb(cardp->tx_urb); | |
148 | usb_kill_urb(cardp->rx_urb); | |
149 | ||
150 | usb_free_urb(cardp->tx_urb); | |
151 | cardp->tx_urb = NULL; | |
152 | ||
153 | usb_free_urb(cardp->rx_urb); | |
154 | cardp->rx_urb = NULL; | |
155 | ||
eae86bf3 DW |
156 | kfree(cardp->ep_out_buf); |
157 | cardp->ep_out_buf = NULL; | |
876c9d3a | 158 | |
9012b28a | 159 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
160 | } |
161 | ||
4694961c | 162 | static void if_usb_setup_firmware(struct lbs_private *priv) |
04c80f1a | 163 | { |
4365929d | 164 | struct if_usb_card *cardp = priv->card; |
04c80f1a | 165 | struct cmd_ds_set_boot2_ver b2_cmd; |
4694961c | 166 | struct cmd_ds_802_11_fw_wake_method wake_method; |
04c80f1a | 167 | |
9fae899c | 168 | b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd)); |
04c80f1a | 169 | b2_cmd.action = 0; |
4365929d | 170 | b2_cmd.version = cardp->boot2_version; |
04c80f1a | 171 | |
b23b2061 | 172 | if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd)) |
04c80f1a | 173 | lbs_deb_usb("Setting boot2 version failed\n"); |
4694961c DW |
174 | |
175 | priv->wol_gpio = 2; /* Wake via GPIO2... */ | |
176 | priv->wol_gap = 20; /* ... after 20ms */ | |
582c1b53 AN |
177 | lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA, |
178 | (struct wol_config *) NULL); | |
4694961c DW |
179 | |
180 | wake_method.hdr.size = cpu_to_le16(sizeof(wake_method)); | |
181 | wake_method.action = cpu_to_le16(CMD_ACT_GET); | |
182 | if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) { | |
183 | lbs_pr_info("Firmware does not seem to support PS mode\n"); | |
e0d6133c | 184 | priv->fwcapinfo &= ~FW_CAPINFO_PS; |
4694961c DW |
185 | } else { |
186 | if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) { | |
187 | lbs_deb_usb("Firmware seems to support PS with wake-via-command\n"); | |
4694961c DW |
188 | } else { |
189 | /* The versions which boot up this way don't seem to | |
190 | work even if we set it to the command interrupt */ | |
e0d6133c | 191 | priv->fwcapinfo &= ~FW_CAPINFO_PS; |
4694961c DW |
192 | lbs_pr_info("Firmware doesn't wake via command interrupt; disabling PS mode\n"); |
193 | } | |
194 | } | |
04c80f1a DW |
195 | } |
196 | ||
2fd6cfe3 | 197 | static void if_usb_fw_timeo(unsigned long priv) |
4f82f5c8 | 198 | { |
eae86bf3 | 199 | struct if_usb_card *cardp = (void *)priv; |
04c80f1a | 200 | |
4f82f5c8 DW |
201 | if (cardp->fwdnldover) { |
202 | lbs_deb_usb("Download complete, no event. Assuming success\n"); | |
203 | } else { | |
204 | lbs_pr_err("Download timed out\n"); | |
205 | cardp->surprise_removed = 1; | |
206 | } | |
207 | wake_up(&cardp->fw_wq); | |
208 | } | |
eae86bf3 | 209 | |
b77ec4ca DW |
210 | #ifdef CONFIG_OLPC |
211 | static void if_usb_reset_olpc_card(struct lbs_private *priv) | |
212 | { | |
213 | printk(KERN_CRIT "Resetting OLPC wireless via EC...\n"); | |
214 | olpc_ec_cmd(0x25, NULL, 0, NULL, 0); | |
215 | } | |
216 | #endif | |
217 | ||
876c9d3a MT |
218 | /** |
219 | * @brief sets the configuration values | |
220 | * @param ifnum interface number | |
221 | * @param id pointer to usb_device_id | |
222 | * @return 0 on success, error code on failure | |
223 | */ | |
224 | static int if_usb_probe(struct usb_interface *intf, | |
225 | const struct usb_device_id *id) | |
226 | { | |
227 | struct usb_device *udev; | |
228 | struct usb_host_interface *iface_desc; | |
229 | struct usb_endpoint_descriptor *endpoint; | |
69f9032d | 230 | struct lbs_private *priv; |
eae86bf3 | 231 | struct if_usb_card *cardp; |
876c9d3a MT |
232 | int i; |
233 | ||
234 | udev = interface_to_usbdev(intf); | |
235 | ||
eae86bf3 | 236 | cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL); |
435a1acb | 237 | if (!cardp) { |
876c9d3a MT |
238 | lbs_pr_err("Out of memory allocating private data.\n"); |
239 | goto error; | |
240 | } | |
241 | ||
4f82f5c8 DW |
242 | setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp); |
243 | init_waitqueue_head(&cardp->fw_wq); | |
7e226272 | 244 | |
435a1acb | 245 | cardp->udev = udev; |
876c9d3a MT |
246 | iface_desc = intf->cur_altsetting; |
247 | ||
9012b28a | 248 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
eae86bf3 | 249 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
981f187b DW |
250 | le16_to_cpu(udev->descriptor.bcdUSB), |
251 | udev->descriptor.bDeviceClass, | |
252 | udev->descriptor.bDeviceSubClass, | |
253 | udev->descriptor.bDeviceProtocol); | |
876c9d3a MT |
254 | |
255 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
256 | endpoint = &iface_desc->endpoint[i].desc; | |
eae86bf3 DW |
257 | if (usb_endpoint_is_bulk_in(endpoint)) { |
258 | cardp->ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
259 | cardp->ep_in = usb_endpoint_num(endpoint); | |
876c9d3a | 260 | |
eae86bf3 DW |
261 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in); |
262 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size); | |
876c9d3a | 263 | |
eae86bf3 DW |
264 | } else if (usb_endpoint_is_bulk_out(endpoint)) { |
265 | cardp->ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
266 | cardp->ep_out = usb_endpoint_num(endpoint); | |
267 | ||
268 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out); | |
269 | lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size); | |
876c9d3a MT |
270 | } |
271 | } | |
eae86bf3 DW |
272 | if (!cardp->ep_out_size || !cardp->ep_in_size) { |
273 | lbs_deb_usbd(&udev->dev, "Endpoints not found\n"); | |
274 | goto dealloc; | |
275 | } | |
276 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
277 | lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n"); | |
278 | goto dealloc; | |
279 | } | |
280 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
281 | lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n"); | |
282 | goto dealloc; | |
283 | } | |
284 | cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL); | |
285 | if (!cardp->ep_out_buf) { | |
286 | lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n"); | |
287 | goto dealloc; | |
288 | } | |
876c9d3a | 289 | |
954ee164 | 290 | /* Upload firmware */ |
1556c0f2 | 291 | if (__if_usb_prog_firmware(cardp, lbs_fw_name, BOOT_CMD_FW_BY_USB)) { |
23d36eec | 292 | lbs_deb_usbd(&udev->dev, "FW upload failed\n"); |
954ee164 DW |
293 | goto err_prog_firmware; |
294 | } | |
295 | ||
10078321 | 296 | if (!(priv = lbs_add_card(cardp, &udev->dev))) |
954ee164 | 297 | goto err_prog_firmware; |
3874d0fe | 298 | |
954ee164 | 299 | cardp->priv = priv; |
c9cd6f9d | 300 | cardp->priv->fw_ready = 1; |
965f8bbc | 301 | |
208fdd2f | 302 | priv->hw_host_to_card = if_usb_host_to_card; |
b77ec4ca DW |
303 | #ifdef CONFIG_OLPC |
304 | if (machine_is_olpc()) | |
305 | priv->reset_card = if_usb_reset_olpc_card; | |
306 | #endif | |
307 | ||
4365929d | 308 | cardp->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 309 | |
954ee164 | 310 | if_usb_submit_rx_urb(cardp); |
954ee164 | 311 | |
10078321 | 312 | if (lbs_start_card(priv)) |
954ee164 | 313 | goto err_start_card; |
32a74b7c | 314 | |
4694961c | 315 | if_usb_setup_firmware(priv); |
d1f7a5b8 | 316 | |
876c9d3a | 317 | usb_get_dev(udev); |
435a1acb | 318 | usb_set_intfdata(intf, cardp); |
876c9d3a | 319 | |
1ff41eb0 BC |
320 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_fw)) |
321 | lbs_pr_err("cannot register lbs_flash_fw attribute\n"); | |
322 | ||
323 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2)) | |
324 | lbs_pr_err("cannot register lbs_flash_boot2 attribute\n"); | |
325 | ||
876c9d3a MT |
326 | return 0; |
327 | ||
954ee164 | 328 | err_start_card: |
10078321 | 329 | lbs_remove_card(priv); |
954ee164 DW |
330 | err_prog_firmware: |
331 | if_usb_reset_device(cardp); | |
876c9d3a | 332 | dealloc: |
435a1acb | 333 | if_usb_free(cardp); |
876c9d3a MT |
334 | |
335 | error: | |
336 | return -ENOMEM; | |
337 | } | |
338 | ||
339 | /** | |
340 | * @brief free resource and cleanup | |
435a1acb | 341 | * @param intf USB interface structure |
876c9d3a MT |
342 | * @return N/A |
343 | */ | |
344 | static void if_usb_disconnect(struct usb_interface *intf) | |
345 | { | |
eae86bf3 | 346 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 347 | struct lbs_private *priv = (struct lbs_private *) cardp->priv; |
876c9d3a | 348 | |
954ee164 | 349 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 350 | |
1ff41eb0 BC |
351 | device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2); |
352 | device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_fw); | |
353 | ||
954ee164 | 354 | cardp->surprise_removed = 1; |
876c9d3a | 355 | |
954ee164 | 356 | if (priv) { |
aa21c004 | 357 | priv->surpriseremoved = 1; |
10078321 | 358 | lbs_stop_card(priv); |
10078321 | 359 | lbs_remove_card(priv); |
954ee164 | 360 | } |
876c9d3a MT |
361 | |
362 | /* Unlink and free urb */ | |
363 | if_usb_free(cardp); | |
364 | ||
365 | usb_set_intfdata(intf, NULL); | |
366 | usb_put_dev(interface_to_usbdev(intf)); | |
367 | ||
954ee164 | 368 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
369 | } |
370 | ||
371 | /** | |
372 | * @brief This function download FW | |
69f9032d | 373 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
374 | * @return 0 |
375 | */ | |
eae86bf3 | 376 | static int if_usb_send_fw_pkt(struct if_usb_card *cardp) |
876c9d3a | 377 | { |
eae86bf3 | 378 | struct fwdata *fwdata = cardp->ep_out_buf; |
6dfff895 | 379 | const uint8_t *firmware = cardp->fw->data; |
876c9d3a | 380 | |
eae86bf3 DW |
381 | /* If we got a CRC failure on the last block, back |
382 | up and retry it */ | |
876c9d3a MT |
383 | if (!cardp->CRC_OK) { |
384 | cardp->totalbytes = cardp->fwlastblksent; | |
eae86bf3 | 385 | cardp->fwseqnum--; |
876c9d3a MT |
386 | } |
387 | ||
eae86bf3 DW |
388 | lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n", |
389 | cardp->totalbytes); | |
876c9d3a | 390 | |
eae86bf3 DW |
391 | /* struct fwdata (which we sent to the card) has an |
392 | extra __le32 field in between the header and the data, | |
393 | which is not in the struct fwheader in the actual | |
394 | firmware binary. Insert the seqnum in the middle... */ | |
395 | memcpy(&fwdata->hdr, &firmware[cardp->totalbytes], | |
876c9d3a MT |
396 | sizeof(struct fwheader)); |
397 | ||
398 | cardp->fwlastblksent = cardp->totalbytes; | |
399 | cardp->totalbytes += sizeof(struct fwheader); | |
400 | ||
876c9d3a | 401 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
eae86bf3 | 402 | le32_to_cpu(fwdata->hdr.datalength)); |
876c9d3a | 403 | |
eae86bf3 DW |
404 | lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n", |
405 | le32_to_cpu(fwdata->hdr.datalength)); | |
876c9d3a | 406 | |
eae86bf3 DW |
407 | fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum); |
408 | cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength); | |
876c9d3a | 409 | |
eae86bf3 DW |
410 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) + |
411 | le32_to_cpu(fwdata->hdr.datalength)); | |
412 | ||
413 | if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { | |
414 | lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n"); | |
415 | lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n", | |
416 | cardp->fwseqnum, cardp->totalbytes); | |
417 | } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { | |
418 | lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n"); | |
419 | lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n"); | |
876c9d3a | 420 | |
876c9d3a MT |
421 | cardp->fwfinalblk = 1; |
422 | } | |
423 | ||
eae86bf3 DW |
424 | lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n", |
425 | cardp->totalbytes); | |
876c9d3a MT |
426 | |
427 | return 0; | |
428 | } | |
429 | ||
eae86bf3 | 430 | static int if_usb_reset_device(struct if_usb_card *cardp) |
876c9d3a | 431 | { |
eae86bf3 | 432 | struct cmd_ds_command *cmd = cardp->ep_out_buf + 4; |
876c9d3a | 433 | int ret; |
876c9d3a | 434 | |
3874d0fe HS |
435 | lbs_deb_enter(LBS_DEB_USB); |
436 | ||
eae86bf3 | 437 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
6d35fdfc DW |
438 | |
439 | cmd->command = cpu_to_le16(CMD_802_11_RESET); | |
f8e77cae | 440 | cmd->size = cpu_to_le16(sizeof(struct cmd_header)); |
6d35fdfc DW |
441 | cmd->result = cpu_to_le16(0); |
442 | cmd->seqnum = cpu_to_le16(0x5a5a); | |
f8e77cae | 443 | usb_tx_block(cardp, cardp->ep_out_buf, 4 + sizeof(struct cmd_header)); |
6d35fdfc | 444 | |
c8ba39d0 | 445 | msleep(100); |
876c9d3a | 446 | ret = usb_reset_device(cardp->udev); |
c8ba39d0 | 447 | msleep(100); |
3874d0fe | 448 | |
b77ec4ca DW |
449 | #ifdef CONFIG_OLPC |
450 | if (ret && machine_is_olpc()) | |
451 | if_usb_reset_olpc_card(NULL); | |
452 | #endif | |
453 | ||
3874d0fe HS |
454 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
455 | ||
876c9d3a MT |
456 | return ret; |
457 | } | |
458 | ||
459 | /** | |
460 | * @brief This function transfer the data to the device. | |
69f9032d | 461 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
462 | * @param payload pointer to payload data |
463 | * @param nb data length | |
464 | * @return 0 or -1 | |
465 | */ | |
eae86bf3 | 466 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb) |
876c9d3a | 467 | { |
876c9d3a MT |
468 | int ret = -1; |
469 | ||
470 | /* check if device is removed */ | |
954ee164 | 471 | if (cardp->surprise_removed) { |
9012b28a | 472 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
473 | goto tx_ret; |
474 | } | |
475 | ||
476 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
477 | usb_sndbulkpipe(cardp->udev, | |
eae86bf3 | 478 | cardp->ep_out), |
954ee164 | 479 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
480 | |
481 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
482 | ||
483 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
0856e681 | 484 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
876c9d3a MT |
485 | ret = -1; |
486 | } else { | |
eae86bf3 | 487 | lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n"); |
876c9d3a MT |
488 | ret = 0; |
489 | } | |
490 | ||
491 | tx_ret: | |
492 | return ret; | |
493 | } | |
494 | ||
eae86bf3 | 495 | static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, |
954ee164 | 496 | void (*callbackfn)(struct urb *urb)) |
876c9d3a | 497 | { |
876c9d3a | 498 | struct sk_buff *skb; |
876c9d3a MT |
499 | int ret = -1; |
500 | ||
501 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
502 | lbs_pr_err("No free skb\n"); | |
503 | goto rx_ret; | |
504 | } | |
505 | ||
eae86bf3 | 506 | cardp->rx_skb = skb; |
876c9d3a MT |
507 | |
508 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
509 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
eae86bf3 | 510 | usb_rcvbulkpipe(cardp->udev, cardp->ep_in), |
4269e2ad | 511 | (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), |
876c9d3a | 512 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
eae86bf3 | 513 | cardp); |
876c9d3a MT |
514 | |
515 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
516 | ||
eae86bf3 | 517 | lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); |
876c9d3a | 518 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
0856e681 | 519 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
77d8cf2c | 520 | kfree_skb(skb); |
eae86bf3 | 521 | cardp->rx_skb = NULL; |
876c9d3a MT |
522 | ret = -1; |
523 | } else { | |
eae86bf3 | 524 | lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n"); |
876c9d3a MT |
525 | ret = 0; |
526 | } | |
527 | ||
528 | rx_ret: | |
529 | return ret; | |
530 | } | |
531 | ||
eae86bf3 | 532 | static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp) |
876c9d3a | 533 | { |
954ee164 | 534 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
535 | } |
536 | ||
eae86bf3 | 537 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp) |
876c9d3a | 538 | { |
954ee164 | 539 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
540 | } |
541 | ||
542 | static void if_usb_receive_fwload(struct urb *urb) | |
543 | { | |
eae86bf3 DW |
544 | struct if_usb_card *cardp = urb->context; |
545 | struct sk_buff *skb = cardp->rx_skb; | |
876c9d3a | 546 | struct fwsyncheader *syncfwheader; |
eae86bf3 | 547 | struct bootcmdresp bootcmdresp; |
876c9d3a MT |
548 | |
549 | if (urb->status) { | |
9012b28a | 550 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 551 | "URB status is failed during fw load\n"); |
876c9d3a MT |
552 | kfree_skb(skb); |
553 | return; | |
554 | } | |
555 | ||
c9cd6f9d DW |
556 | if (cardp->fwdnldover) { |
557 | __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
558 | ||
559 | if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && | |
560 | tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { | |
561 | lbs_pr_info("Firmware ready event received\n"); | |
562 | wake_up(&cardp->fw_wq); | |
563 | } else { | |
eae86bf3 DW |
564 | lbs_deb_usb("Waiting for confirmation; got %x %x\n", |
565 | le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1])); | |
c9cd6f9d DW |
566 | if_usb_submit_rx_urb_fwload(cardp); |
567 | } | |
568 | kfree_skb(skb); | |
569 | return; | |
570 | } | |
c8ba39d0 | 571 | if (cardp->bootcmdresp <= 0) { |
876c9d3a MT |
572 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, |
573 | sizeof(bootcmdresp)); | |
eae86bf3 | 574 | |
981f187b | 575 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 576 | kfree_skb(skb); |
954ee164 | 577 | if_usb_submit_rx_urb_fwload(cardp); |
1556c0f2 | 578 | cardp->bootcmdresp = BOOT_CMD_RESP_OK; |
9012b28a | 579 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 580 | "Received valid boot command response\n"); |
876c9d3a MT |
581 | return; |
582 | } | |
eae86bf3 DW |
583 | if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
584 | if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) || | |
585 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) || | |
586 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) { | |
c9cd6f9d DW |
587 | if (!cardp->bootcmdresp) |
588 | lbs_pr_info("Firmware already seems alive; resetting\n"); | |
6d35fdfc DW |
589 | cardp->bootcmdresp = -1; |
590 | } else { | |
591 | lbs_pr_info("boot cmd response wrong magic number (0x%x)\n", | |
eae86bf3 | 592 | le32_to_cpu(bootcmdresp.magic)); |
6d35fdfc | 593 | } |
1556c0f2 BC |
594 | } else if ((bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) && |
595 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_FW) && | |
596 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_BOOT2)) { | |
eae86bf3 DW |
597 | lbs_pr_info("boot cmd response cmd_tag error (%d)\n", |
598 | bootcmdresp.cmd); | |
599 | } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) { | |
600 | lbs_pr_info("boot cmd response result error (%d)\n", | |
601 | bootcmdresp.result); | |
876c9d3a MT |
602 | } else { |
603 | cardp->bootcmdresp = 1; | |
9012b28a | 604 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 605 | "Received valid boot command response\n"); |
876c9d3a MT |
606 | } |
607 | kfree_skb(skb); | |
954ee164 | 608 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
609 | return; |
610 | } | |
611 | ||
612 | syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC); | |
613 | if (!syncfwheader) { | |
9012b28a | 614 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
615 | kfree_skb(skb); |
616 | return; | |
617 | } | |
618 | ||
619 | memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET, | |
eae86bf3 | 620 | sizeof(struct fwsyncheader)); |
876c9d3a MT |
621 | |
622 | if (!syncfwheader->cmd) { | |
eae86bf3 DW |
623 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n"); |
624 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n", | |
625 | le32_to_cpu(syncfwheader->seqnum)); | |
876c9d3a MT |
626 | cardp->CRC_OK = 1; |
627 | } else { | |
eae86bf3 | 628 | lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n"); |
876c9d3a MT |
629 | cardp->CRC_OK = 0; |
630 | } | |
631 | ||
632 | kfree_skb(skb); | |
633 | ||
1556c0f2 BC |
634 | /* Give device 5s to either write firmware to its RAM or eeprom */ |
635 | mod_timer(&cardp->fw_timeout, jiffies + (HZ*5)); | |
4f82f5c8 | 636 | |
876c9d3a MT |
637 | if (cardp->fwfinalblk) { |
638 | cardp->fwdnldover = 1; | |
639 | goto exit; | |
640 | } | |
641 | ||
4f82f5c8 | 642 | if_usb_send_fw_pkt(cardp); |
876c9d3a | 643 | |
4f82f5c8 | 644 | exit: |
c9cd6f9d DW |
645 | if_usb_submit_rx_urb_fwload(cardp); |
646 | ||
876c9d3a MT |
647 | kfree(syncfwheader); |
648 | ||
649 | return; | |
876c9d3a MT |
650 | } |
651 | ||
652 | #define MRVDRV_MIN_PKT_LEN 30 | |
653 | ||
654 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
eae86bf3 | 655 | struct if_usb_card *cardp, |
69f9032d | 656 | struct lbs_private *priv) |
876c9d3a | 657 | { |
eae86bf3 DW |
658 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN |
659 | || recvlength < MRVDRV_MIN_PKT_LEN) { | |
660 | lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n"); | |
876c9d3a MT |
661 | kfree_skb(skb); |
662 | return; | |
663 | } | |
664 | ||
665 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
666 | skb_put(skb, recvlength); | |
667 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
eae86bf3 | 668 | |
10078321 | 669 | lbs_process_rxed_packet(priv, skb); |
876c9d3a MT |
670 | } |
671 | ||
eae86bf3 | 672 | static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, |
876c9d3a | 673 | struct sk_buff *skb, |
eae86bf3 | 674 | struct if_usb_card *cardp, |
69f9032d | 675 | struct lbs_private *priv) |
876c9d3a | 676 | { |
7919b89c HS |
677 | u8 i; |
678 | ||
ddac4526 | 679 | if (recvlength > LBS_CMD_BUFFER_SIZE) { |
9012b28a | 680 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 681 | "The receive buffer is too large\n"); |
876c9d3a MT |
682 | kfree_skb(skb); |
683 | return; | |
684 | } | |
685 | ||
0ee904c3 | 686 | BUG_ON(!in_interrupt()); |
876c9d3a | 687 | |
aa21c004 | 688 | spin_lock(&priv->driver_lock); |
876c9d3a | 689 | |
7919b89c HS |
690 | i = (priv->resp_idx == 0) ? 1 : 0; |
691 | BUG_ON(priv->resp_len[i]); | |
692 | priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN); | |
693 | memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN, | |
694 | priv->resp_len[i]); | |
876c9d3a | 695 | kfree_skb(skb); |
7919b89c HS |
696 | lbs_notify_command_response(priv, i); |
697 | ||
aa21c004 | 698 | spin_unlock(&priv->driver_lock); |
876c9d3a | 699 | |
9012b28a | 700 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 701 | "Wake up main thread to handle cmd response\n"); |
876c9d3a MT |
702 | } |
703 | ||
704 | /** | |
705 | * @brief This function reads of the packet into the upload buff, | |
706 | * wake up the main thread and initialise the Rx callack. | |
707 | * | |
708 | * @param urb pointer to struct urb | |
709 | * @return N/A | |
710 | */ | |
711 | static void if_usb_receive(struct urb *urb) | |
712 | { | |
eae86bf3 DW |
713 | struct if_usb_card *cardp = urb->context; |
714 | struct sk_buff *skb = cardp->rx_skb; | |
69f9032d | 715 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 716 | int recvlength = urb->actual_length; |
eae86bf3 DW |
717 | uint8_t *recvbuff = NULL; |
718 | uint32_t recvtype = 0; | |
719 | __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
7919b89c | 720 | uint32_t event; |
876c9d3a | 721 | |
9012b28a | 722 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
723 | |
724 | if (recvlength) { | |
725 | if (urb->status) { | |
eae86bf3 DW |
726 | lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n", |
727 | urb->status); | |
876c9d3a MT |
728 | kfree_skb(skb); |
729 | goto setup_for_next; | |
730 | } | |
731 | ||
732 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
eae86bf3 | 733 | recvtype = le32_to_cpu(pkt[0]); |
9012b28a | 734 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
735 | "Recv length = 0x%x, Recv type = 0x%X\n", |
736 | recvlength, recvtype); | |
77d8cf2c DW |
737 | } else if (urb->status) { |
738 | kfree_skb(skb); | |
876c9d3a | 739 | goto rx_exit; |
77d8cf2c | 740 | } |
876c9d3a | 741 | |
876c9d3a MT |
742 | switch (recvtype) { |
743 | case CMD_TYPE_DATA: | |
744 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
745 | break; | |
746 | ||
747 | case CMD_TYPE_REQUEST: | |
748 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
749 | break; | |
750 | ||
751 | case CMD_TYPE_INDICATION: | |
7919b89c HS |
752 | /* Event handling */ |
753 | event = le32_to_cpu(pkt[1]); | |
754 | lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event); | |
755 | kfree_skb(skb); | |
eae86bf3 | 756 | |
7919b89c HS |
757 | /* Icky undocumented magic special case */ |
758 | if (event & 0xffff0000) { | |
759 | u32 trycount = (event & 0xffff0000) >> 16; | |
eae86bf3 | 760 | |
7919b89c HS |
761 | lbs_send_tx_feedback(priv, trycount); |
762 | } else | |
763 | lbs_queue_event(priv, event & 0xFF); | |
764 | break; | |
eae86bf3 | 765 | |
876c9d3a | 766 | default: |
8362cd41 | 767 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
eae86bf3 | 768 | recvtype); |
876c9d3a MT |
769 | kfree_skb(skb); |
770 | break; | |
771 | } | |
772 | ||
773 | setup_for_next: | |
954ee164 | 774 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 775 | rx_exit: |
9012b28a | 776 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
777 | } |
778 | ||
779 | /** | |
780 | * @brief This function downloads data to FW | |
69f9032d | 781 | * @param priv pointer to struct lbs_private structure |
876c9d3a MT |
782 | * @param type type of data |
783 | * @param buf pointer to data buffer | |
784 | * @param len number of bytes | |
785 | * @return 0 or -1 | |
786 | */ | |
eae86bf3 DW |
787 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
788 | uint8_t *payload, uint16_t nb) | |
876c9d3a | 789 | { |
eae86bf3 | 790 | struct if_usb_card *cardp = priv->card; |
876c9d3a | 791 | |
9012b28a HS |
792 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
793 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
794 | |
795 | if (type == MVMS_CMD) { | |
eae86bf3 | 796 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 797 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a | 798 | } else { |
eae86bf3 | 799 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 800 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
801 | } |
802 | ||
eae86bf3 | 803 | memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb); |
876c9d3a | 804 | |
eae86bf3 | 805 | return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
806 | } |
807 | ||
9e22cb67 DW |
808 | /** |
809 | * @brief This function issues Boot command to the Boot2 code | |
810 | * @param ivalue 1:Boot from FW by USB-Download | |
811 | * 2:Boot from FW in EEPROM | |
812 | * @return 0 | |
813 | */ | |
eae86bf3 | 814 | static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue) |
9e22cb67 | 815 | { |
eae86bf3 | 816 | struct bootcmd *bootcmd = cardp->ep_out_buf; |
9e22cb67 DW |
817 | |
818 | /* Prepare command */ | |
eae86bf3 DW |
819 | bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); |
820 | bootcmd->cmd = ivalue; | |
821 | memset(bootcmd->pad, 0, sizeof(bootcmd->pad)); | |
9e22cb67 DW |
822 | |
823 | /* Issue command */ | |
eae86bf3 | 824 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd)); |
9e22cb67 DW |
825 | |
826 | return 0; | |
827 | } | |
876c9d3a MT |
828 | |
829 | ||
954ee164 DW |
830 | /** |
831 | * @brief This function checks the validity of Boot2/FW image. | |
832 | * | |
833 | * @param data pointer to image | |
834 | * len image length | |
835 | * @return 0 or -1 | |
836 | */ | |
6dfff895 | 837 | static int check_fwfile_format(const uint8_t *data, uint32_t totlen) |
954ee164 | 838 | { |
eae86bf3 DW |
839 | uint32_t bincmd, exit; |
840 | uint32_t blksize, offset, len; | |
954ee164 DW |
841 | int ret; |
842 | ||
843 | ret = 1; | |
844 | exit = len = 0; | |
845 | ||
846 | do { | |
847 | struct fwheader *fwh = (void *)data; | |
848 | ||
849 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
850 | blksize = le32_to_cpu(fwh->datalength); | |
851 | switch (bincmd) { | |
852 | case FW_HAS_DATA_TO_RECV: | |
853 | offset = sizeof(struct fwheader) + blksize; | |
854 | data += offset; | |
855 | len += offset; | |
856 | if (len >= totlen) | |
857 | exit = 1; | |
858 | break; | |
859 | case FW_HAS_LAST_BLOCK: | |
860 | exit = 1; | |
861 | ret = 0; | |
862 | break; | |
863 | default: | |
864 | exit = 1; | |
865 | break; | |
866 | } | |
867 | } while (!exit); | |
868 | ||
869 | if (ret) | |
870 | lbs_pr_err("firmware file format check FAIL\n"); | |
871 | else | |
872 | lbs_deb_fw("firmware file format check PASS\n"); | |
873 | ||
874 | return ret; | |
875 | } | |
876 | ||
877 | ||
1556c0f2 BC |
878 | /** |
879 | * @brief This function programs the firmware subject to cmd | |
880 | * | |
881 | * @param cardp the if_usb_card descriptor | |
882 | * fwname firmware or boot2 image file name | |
883 | * cmd either BOOT_CMD_FW_BY_USB, BOOT_CMD_UPDATE_FW, | |
884 | * or BOOT_CMD_UPDATE_BOOT2. | |
885 | * @return 0 or error code | |
886 | */ | |
887 | static int if_usb_prog_firmware(struct if_usb_card *cardp, | |
888 | const char *fwname, int cmd) | |
889 | { | |
890 | struct lbs_private *priv = cardp->priv; | |
891 | unsigned long flags, caps; | |
892 | int ret; | |
893 | ||
894 | caps = priv->fwcapinfo; | |
895 | if (((cmd == BOOT_CMD_UPDATE_FW) && !(caps & FW_CAPINFO_FIRMWARE_UPGRADE)) || | |
896 | ((cmd == BOOT_CMD_UPDATE_BOOT2) && !(caps & FW_CAPINFO_BOOT2_UPGRADE))) | |
897 | return -EOPNOTSUPP; | |
898 | ||
899 | /* Ensure main thread is idle. */ | |
900 | spin_lock_irqsave(&priv->driver_lock, flags); | |
901 | while (priv->cur_cmd != NULL || priv->dnld_sent != DNLD_RES_RECEIVED) { | |
902 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
903 | if (wait_event_interruptible(priv->waitq, | |
904 | (priv->cur_cmd == NULL && | |
905 | priv->dnld_sent == DNLD_RES_RECEIVED))) { | |
906 | return -ERESTARTSYS; | |
907 | } | |
908 | spin_lock_irqsave(&priv->driver_lock, flags); | |
909 | } | |
910 | priv->dnld_sent = DNLD_BOOTCMD_SENT; | |
911 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
912 | ||
913 | ret = __if_usb_prog_firmware(cardp, fwname, cmd); | |
914 | ||
915 | spin_lock_irqsave(&priv->driver_lock, flags); | |
916 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
917 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
918 | ||
919 | wake_up_interruptible(&priv->waitq); | |
920 | ||
921 | return ret; | |
922 | } | |
923 | ||
924 | static int __if_usb_prog_firmware(struct if_usb_card *cardp, | |
925 | const char *fwname, int cmd) | |
876c9d3a | 926 | { |
876c9d3a MT |
927 | int i = 0; |
928 | static int reset_count = 10; | |
9012b28a | 929 | int ret = 0; |
876c9d3a | 930 | |
9012b28a | 931 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 932 | |
1556c0f2 BC |
933 | ret = request_firmware(&cardp->fw, fwname, &cardp->udev->dev); |
934 | if (ret < 0) { | |
954ee164 | 935 | lbs_pr_err("request_firmware() failed with %#x\n", ret); |
1556c0f2 | 936 | lbs_pr_err("firmware %s not found\n", fwname); |
954ee164 DW |
937 | goto done; |
938 | } | |
939 | ||
1556c0f2 BC |
940 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) { |
941 | ret = -EINVAL; | |
954ee164 | 942 | goto release_fw; |
1556c0f2 BC |
943 | } |
944 | ||
945 | /* Cancel any pending usb business */ | |
946 | usb_kill_urb(cardp->rx_urb); | |
947 | usb_kill_urb(cardp->tx_urb); | |
948 | ||
949 | cardp->fwlastblksent = 0; | |
950 | cardp->fwdnldover = 0; | |
951 | cardp->totalbytes = 0; | |
952 | cardp->fwfinalblk = 0; | |
953 | cardp->bootcmdresp = 0; | |
876c9d3a MT |
954 | |
955 | restart: | |
954ee164 | 956 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a | 957 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
1556c0f2 | 958 | ret = -EIO; |
954ee164 | 959 | goto release_fw; |
876c9d3a MT |
960 | } |
961 | ||
876c9d3a MT |
962 | cardp->bootcmdresp = 0; |
963 | do { | |
964 | int j = 0; | |
965 | i++; | |
1556c0f2 | 966 | if_usb_issue_boot_command(cardp, cmd); |
876c9d3a MT |
967 | /* wait for command response */ |
968 | do { | |
969 | j++; | |
970 | msleep_interruptible(100); | |
971 | } while (cardp->bootcmdresp == 0 && j < 10); | |
972 | } while (cardp->bootcmdresp == 0 && i < 5); | |
973 | ||
1556c0f2 BC |
974 | if (cardp->bootcmdresp == BOOT_CMD_RESP_NOT_SUPPORTED) { |
975 | /* Return to normal operation */ | |
976 | ret = -EOPNOTSUPP; | |
977 | usb_kill_urb(cardp->rx_urb); | |
978 | usb_kill_urb(cardp->tx_urb); | |
979 | if (if_usb_submit_rx_urb(cardp) < 0) | |
980 | ret = -EIO; | |
981 | goto release_fw; | |
982 | } else if (cardp->bootcmdresp <= 0) { | |
876c9d3a | 983 | if (--reset_count >= 0) { |
954ee164 | 984 | if_usb_reset_device(cardp); |
876c9d3a MT |
985 | goto restart; |
986 | } | |
1556c0f2 BC |
987 | ret = -EIO; |
988 | goto release_fw; | |
876c9d3a | 989 | } |
876c9d3a MT |
990 | |
991 | i = 0; | |
876c9d3a MT |
992 | |
993 | cardp->totalbytes = 0; | |
994 | cardp->fwlastblksent = 0; | |
995 | cardp->CRC_OK = 1; | |
996 | cardp->fwdnldover = 0; | |
997 | cardp->fwseqnum = -1; | |
998 | cardp->totalbytes = 0; | |
999 | cardp->fwfinalblk = 0; | |
1000 | ||
4f82f5c8 DW |
1001 | /* Send the first firmware packet... */ |
1002 | if_usb_send_fw_pkt(cardp); | |
876c9d3a | 1003 | |
4f82f5c8 DW |
1004 | /* ... and wait for the process to complete */ |
1005 | wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); | |
7e226272 | 1006 | |
4f82f5c8 | 1007 | del_timer_sync(&cardp->fw_timeout); |
c9cd6f9d | 1008 | usb_kill_urb(cardp->rx_urb); |
876c9d3a MT |
1009 | |
1010 | if (!cardp->fwdnldover) { | |
1011 | lbs_pr_info("failed to load fw, resetting device!\n"); | |
1012 | if (--reset_count >= 0) { | |
954ee164 | 1013 | if_usb_reset_device(cardp); |
876c9d3a MT |
1014 | goto restart; |
1015 | } | |
1016 | ||
1017 | lbs_pr_info("FW download failure, time = %d ms\n", i * 100); | |
1556c0f2 | 1018 | ret = -EIO; |
954ee164 | 1019 | goto release_fw; |
876c9d3a MT |
1020 | } |
1021 | ||
eae86bf3 | 1022 | release_fw: |
954ee164 DW |
1023 | release_firmware(cardp->fw); |
1024 | cardp->fw = NULL; | |
876c9d3a | 1025 | |
eae86bf3 | 1026 | done: |
9012b28a HS |
1027 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
1028 | return ret; | |
876c9d3a MT |
1029 | } |
1030 | ||
1df4e8fe | 1031 | |
876c9d3a MT |
1032 | #ifdef CONFIG_PM |
1033 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
1034 | { | |
eae86bf3 | 1035 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 1036 | struct lbs_private *priv = cardp->priv; |
d1f7a5b8 | 1037 | int ret; |
876c9d3a | 1038 | |
9012b28a | 1039 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 1040 | |
aa21c004 | 1041 | if (priv->psstate != PS_STATE_FULL_POWER) |
876c9d3a MT |
1042 | return -1; |
1043 | ||
d1f7a5b8 DW |
1044 | ret = lbs_suspend(priv); |
1045 | if (ret) | |
1046 | goto out; | |
876c9d3a MT |
1047 | |
1048 | /* Unlink tx & rx urb */ | |
1049 | usb_kill_urb(cardp->tx_urb); | |
1050 | usb_kill_urb(cardp->rx_urb); | |
1051 | ||
d1f7a5b8 | 1052 | out: |
9012b28a | 1053 | lbs_deb_leave(LBS_DEB_USB); |
d1f7a5b8 | 1054 | return ret; |
876c9d3a MT |
1055 | } |
1056 | ||
1057 | static int if_usb_resume(struct usb_interface *intf) | |
1058 | { | |
eae86bf3 | 1059 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 1060 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 1061 | |
9012b28a | 1062 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 1063 | |
6bc822b5 | 1064 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 1065 | |
d1f7a5b8 | 1066 | lbs_resume(priv); |
876c9d3a | 1067 | |
9012b28a | 1068 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1069 | return 0; |
1070 | } | |
1071 | #else | |
1072 | #define if_usb_suspend NULL | |
1073 | #define if_usb_resume NULL | |
1074 | #endif | |
1075 | ||
1076 | static struct usb_driver if_usb_driver = { | |
798fbfec | 1077 | .name = DRV_NAME, |
876c9d3a | 1078 | .probe = if_usb_probe, |
876c9d3a | 1079 | .disconnect = if_usb_disconnect, |
876c9d3a MT |
1080 | .id_table = if_usb_table, |
1081 | .suspend = if_usb_suspend, | |
1082 | .resume = if_usb_resume, | |
7b58ccfe | 1083 | .reset_resume = if_usb_resume, |
876c9d3a MT |
1084 | }; |
1085 | ||
4fb910fd | 1086 | static int __init if_usb_init_module(void) |
876c9d3a | 1087 | { |
084708b6 | 1088 | int ret = 0; |
876c9d3a | 1089 | |
084708b6 HS |
1090 | lbs_deb_enter(LBS_DEB_MAIN); |
1091 | ||
084708b6 HS |
1092 | ret = usb_register(&if_usb_driver); |
1093 | ||
1094 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1095 | return ret; | |
876c9d3a MT |
1096 | } |
1097 | ||
4fb910fd | 1098 | static void __exit if_usb_exit_module(void) |
876c9d3a | 1099 | { |
084708b6 HS |
1100 | lbs_deb_enter(LBS_DEB_MAIN); |
1101 | ||
876c9d3a | 1102 | usb_deregister(&if_usb_driver); |
084708b6 HS |
1103 | |
1104 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 1105 | } |
084708b6 HS |
1106 | |
1107 | module_init(if_usb_init_module); | |
1108 | module_exit(if_usb_exit_module); | |
1109 | ||
1110 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
eae86bf3 | 1111 | MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc."); |
084708b6 | 1112 | MODULE_LICENSE("GPL"); |