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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> | |
5a0e3ad6 | 8 | #include <linux/slab.h> |
876c9d3a MT |
9 | #include <linux/usb.h> |
10 | ||
b77ec4ca DW |
11 | #ifdef CONFIG_OLPC |
12 | #include <asm/olpc.h> | |
13 | #endif | |
14 | ||
ec3eef28 HS |
15 | #define DRV_NAME "usb8xxx" |
16 | ||
876c9d3a | 17 | #include "host.h" |
876c9d3a MT |
18 | #include "decl.h" |
19 | #include "defs.h" | |
20 | #include "dev.h" | |
14e865ba | 21 | #include "cmd.h" |
876c9d3a MT |
22 | #include "if_usb.h" |
23 | ||
eae86bf3 DW |
24 | #define INSANEDEBUG 0 |
25 | #define lbs_deb_usb2(...) do { if (INSANEDEBUG) lbs_deb_usbd(__VA_ARGS__); } while (0) | |
26 | ||
876c9d3a MT |
27 | #define MESSAGE_HEADER_LEN 4 |
28 | ||
5cddea81 | 29 | static char *lbs_fw_name = NULL; |
10078321 | 30 | module_param_named(fw_name, lbs_fw_name, charp, 0644); |
084708b6 | 31 | |
5cddea81 DW |
32 | MODULE_FIRMWARE("libertas/usb8388_v9.bin"); |
33 | MODULE_FIRMWARE("libertas/usb8388_v5.bin"); | |
34 | MODULE_FIRMWARE("libertas/usb8388.bin"); | |
35 | MODULE_FIRMWARE("libertas/usb8682.bin"); | |
a974a4bb BH |
36 | MODULE_FIRMWARE("usb8388.bin"); |
37 | ||
5cddea81 DW |
38 | enum { |
39 | MODEL_UNKNOWN = 0x0, | |
40 | MODEL_8388 = 0x1, | |
41 | MODEL_8682 = 0x2 | |
42 | }; | |
43 | ||
876c9d3a MT |
44 | static struct usb_device_id if_usb_table[] = { |
45 | /* Enter the device signature inside */ | |
5cddea81 DW |
46 | { USB_DEVICE(0x1286, 0x2001), .driver_info = MODEL_8388 }, |
47 | { USB_DEVICE(0x05a3, 0x8388), .driver_info = MODEL_8388 }, | |
876c9d3a MT |
48 | {} /* Terminating entry */ |
49 | }; | |
50 | ||
51 | MODULE_DEVICE_TABLE(usb, if_usb_table); | |
52 | ||
53 | static void if_usb_receive(struct urb *urb); | |
54 | static void if_usb_receive_fwload(struct urb *urb); | |
1556c0f2 BC |
55 | static int __if_usb_prog_firmware(struct if_usb_card *cardp, |
56 | const char *fwname, int cmd); | |
57 | static int if_usb_prog_firmware(struct if_usb_card *cardp, | |
58 | const char *fwname, int cmd); | |
eae86bf3 DW |
59 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
60 | uint8_t *payload, uint16_t nb); | |
eae86bf3 DW |
61 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, |
62 | uint16_t nb); | |
63 | static void if_usb_free(struct if_usb_card *cardp); | |
64 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp); | |
65 | static int if_usb_reset_device(struct if_usb_card *cardp); | |
876c9d3a | 66 | |
1ff41eb0 BC |
67 | /* sysfs hooks */ |
68 | ||
69 | /** | |
70 | * Set function to write firmware to device's persistent memory | |
71 | */ | |
72 | static ssize_t if_usb_firmware_set(struct device *dev, | |
73 | struct device_attribute *attr, const char *buf, size_t count) | |
74 | { | |
ab65f649 | 75 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
1ff41eb0 | 76 | struct if_usb_card *cardp = priv->card; |
1ff41eb0 BC |
77 | int ret; |
78 | ||
5cddea81 DW |
79 | BUG_ON(buf == NULL); |
80 | ||
cadeba31 | 81 | ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_FW); |
1ff41eb0 BC |
82 | if (ret == 0) |
83 | return count; | |
84 | ||
85 | return ret; | |
86 | } | |
87 | ||
88 | /** | |
89 | * lbs_flash_fw attribute to be exported per ethX interface through sysfs | |
90 | * (/sys/class/net/ethX/lbs_flash_fw). Use this like so to write firmware to | |
91 | * the device's persistent memory: | |
92 | * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_flash_fw | |
93 | */ | |
94 | static DEVICE_ATTR(lbs_flash_fw, 0200, NULL, if_usb_firmware_set); | |
95 | ||
96 | /** | |
97 | * Set function to write firmware to device's persistent memory | |
98 | */ | |
99 | static ssize_t if_usb_boot2_set(struct device *dev, | |
100 | struct device_attribute *attr, const char *buf, size_t count) | |
101 | { | |
ab65f649 | 102 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
1ff41eb0 | 103 | struct if_usb_card *cardp = priv->card; |
1ff41eb0 BC |
104 | int ret; |
105 | ||
5cddea81 DW |
106 | BUG_ON(buf == NULL); |
107 | ||
cadeba31 | 108 | ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_BOOT2); |
1ff41eb0 BC |
109 | if (ret == 0) |
110 | return count; | |
111 | ||
112 | return ret; | |
113 | } | |
114 | ||
115 | /** | |
116 | * lbs_flash_boot2 attribute to be exported per ethX interface through sysfs | |
117 | * (/sys/class/net/ethX/lbs_flash_boot2). Use this like so to write firmware | |
118 | * to the device's persistent memory: | |
119 | * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_flash_boot2 | |
120 | */ | |
121 | static DEVICE_ATTR(lbs_flash_boot2, 0200, NULL, if_usb_boot2_set); | |
122 | ||
876c9d3a MT |
123 | /** |
124 | * @brief call back function to handle the status of the URB | |
125 | * @param urb pointer to urb structure | |
126 | * @return N/A | |
127 | */ | |
128 | static void if_usb_write_bulk_callback(struct urb *urb) | |
129 | { | |
eae86bf3 | 130 | struct if_usb_card *cardp = (struct if_usb_card *) urb->context; |
876c9d3a MT |
131 | |
132 | /* handle the transmission complete validations */ | |
133 | ||
954ee164 | 134 | if (urb->status == 0) { |
69f9032d | 135 | struct lbs_private *priv = cardp->priv; |
954ee164 | 136 | |
eae86bf3 DW |
137 | lbs_deb_usb2(&urb->dev->dev, "URB status is successful\n"); |
138 | lbs_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n", | |
139 | urb->actual_length); | |
954ee164 | 140 | |
1556c0f2 BC |
141 | /* Boot commands such as UPDATE_FW and UPDATE_BOOT2 are not |
142 | * passed up to the lbs level. | |
954ee164 | 143 | */ |
1556c0f2 | 144 | if (priv && priv->dnld_sent != DNLD_BOOTCMD_SENT) |
e775ed7c | 145 | lbs_host_to_card_done(priv); |
954ee164 DW |
146 | } else { |
147 | /* print the failure status number for debug */ | |
148 | lbs_pr_info("URB in failure status: %d\n", urb->status); | |
876c9d3a | 149 | } |
876c9d3a MT |
150 | } |
151 | ||
152 | /** | |
153 | * @brief free tx/rx urb, skb and rx buffer | |
eae86bf3 | 154 | * @param cardp pointer if_usb_card |
876c9d3a MT |
155 | * @return N/A |
156 | */ | |
eae86bf3 | 157 | static void if_usb_free(struct if_usb_card *cardp) |
876c9d3a | 158 | { |
9012b28a | 159 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
160 | |
161 | /* Unlink tx & rx urb */ | |
162 | usb_kill_urb(cardp->tx_urb); | |
163 | usb_kill_urb(cardp->rx_urb); | |
164 | ||
165 | usb_free_urb(cardp->tx_urb); | |
166 | cardp->tx_urb = NULL; | |
167 | ||
168 | usb_free_urb(cardp->rx_urb); | |
169 | cardp->rx_urb = NULL; | |
170 | ||
eae86bf3 DW |
171 | kfree(cardp->ep_out_buf); |
172 | cardp->ep_out_buf = NULL; | |
876c9d3a | 173 | |
9012b28a | 174 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
175 | } |
176 | ||
4694961c | 177 | static void if_usb_setup_firmware(struct lbs_private *priv) |
04c80f1a | 178 | { |
4365929d | 179 | struct if_usb_card *cardp = priv->card; |
04c80f1a | 180 | struct cmd_ds_set_boot2_ver b2_cmd; |
4694961c | 181 | struct cmd_ds_802_11_fw_wake_method wake_method; |
04c80f1a | 182 | |
9fae899c | 183 | b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd)); |
04c80f1a | 184 | b2_cmd.action = 0; |
4365929d | 185 | b2_cmd.version = cardp->boot2_version; |
04c80f1a | 186 | |
b23b2061 | 187 | if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd)) |
04c80f1a | 188 | lbs_deb_usb("Setting boot2 version failed\n"); |
4694961c DW |
189 | |
190 | priv->wol_gpio = 2; /* Wake via GPIO2... */ | |
191 | priv->wol_gap = 20; /* ... after 20ms */ | |
582c1b53 AN |
192 | lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA, |
193 | (struct wol_config *) NULL); | |
4694961c DW |
194 | |
195 | wake_method.hdr.size = cpu_to_le16(sizeof(wake_method)); | |
196 | wake_method.action = cpu_to_le16(CMD_ACT_GET); | |
197 | if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) { | |
198 | lbs_pr_info("Firmware does not seem to support PS mode\n"); | |
e0d6133c | 199 | priv->fwcapinfo &= ~FW_CAPINFO_PS; |
4694961c DW |
200 | } else { |
201 | if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) { | |
202 | lbs_deb_usb("Firmware seems to support PS with wake-via-command\n"); | |
4694961c DW |
203 | } else { |
204 | /* The versions which boot up this way don't seem to | |
205 | work even if we set it to the command interrupt */ | |
e0d6133c | 206 | priv->fwcapinfo &= ~FW_CAPINFO_PS; |
4694961c DW |
207 | lbs_pr_info("Firmware doesn't wake via command interrupt; disabling PS mode\n"); |
208 | } | |
209 | } | |
04c80f1a DW |
210 | } |
211 | ||
2fd6cfe3 | 212 | static void if_usb_fw_timeo(unsigned long priv) |
4f82f5c8 | 213 | { |
eae86bf3 | 214 | struct if_usb_card *cardp = (void *)priv; |
04c80f1a | 215 | |
4f82f5c8 DW |
216 | if (cardp->fwdnldover) { |
217 | lbs_deb_usb("Download complete, no event. Assuming success\n"); | |
218 | } else { | |
219 | lbs_pr_err("Download timed out\n"); | |
220 | cardp->surprise_removed = 1; | |
221 | } | |
222 | wake_up(&cardp->fw_wq); | |
223 | } | |
eae86bf3 | 224 | |
b77ec4ca DW |
225 | #ifdef CONFIG_OLPC |
226 | static void if_usb_reset_olpc_card(struct lbs_private *priv) | |
227 | { | |
228 | printk(KERN_CRIT "Resetting OLPC wireless via EC...\n"); | |
229 | olpc_ec_cmd(0x25, NULL, 0, NULL, 0); | |
230 | } | |
231 | #endif | |
232 | ||
876c9d3a MT |
233 | /** |
234 | * @brief sets the configuration values | |
235 | * @param ifnum interface number | |
236 | * @param id pointer to usb_device_id | |
237 | * @return 0 on success, error code on failure | |
238 | */ | |
239 | static int if_usb_probe(struct usb_interface *intf, | |
240 | const struct usb_device_id *id) | |
241 | { | |
242 | struct usb_device *udev; | |
243 | struct usb_host_interface *iface_desc; | |
244 | struct usb_endpoint_descriptor *endpoint; | |
69f9032d | 245 | struct lbs_private *priv; |
eae86bf3 | 246 | struct if_usb_card *cardp; |
876c9d3a MT |
247 | int i; |
248 | ||
249 | udev = interface_to_usbdev(intf); | |
250 | ||
eae86bf3 | 251 | cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL); |
435a1acb | 252 | if (!cardp) { |
876c9d3a MT |
253 | lbs_pr_err("Out of memory allocating private data.\n"); |
254 | goto error; | |
255 | } | |
256 | ||
4f82f5c8 DW |
257 | setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp); |
258 | init_waitqueue_head(&cardp->fw_wq); | |
7e226272 | 259 | |
435a1acb | 260 | cardp->udev = udev; |
5cddea81 | 261 | cardp->model = (uint32_t) id->driver_info; |
876c9d3a MT |
262 | iface_desc = intf->cur_altsetting; |
263 | ||
9012b28a | 264 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
eae86bf3 | 265 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
981f187b DW |
266 | le16_to_cpu(udev->descriptor.bcdUSB), |
267 | udev->descriptor.bDeviceClass, | |
268 | udev->descriptor.bDeviceSubClass, | |
269 | udev->descriptor.bDeviceProtocol); | |
876c9d3a MT |
270 | |
271 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
272 | endpoint = &iface_desc->endpoint[i].desc; | |
eae86bf3 DW |
273 | if (usb_endpoint_is_bulk_in(endpoint)) { |
274 | cardp->ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
275 | cardp->ep_in = usb_endpoint_num(endpoint); | |
876c9d3a | 276 | |
eae86bf3 DW |
277 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in); |
278 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size); | |
876c9d3a | 279 | |
eae86bf3 DW |
280 | } else if (usb_endpoint_is_bulk_out(endpoint)) { |
281 | cardp->ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
282 | cardp->ep_out = usb_endpoint_num(endpoint); | |
283 | ||
284 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out); | |
285 | lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size); | |
876c9d3a MT |
286 | } |
287 | } | |
eae86bf3 DW |
288 | if (!cardp->ep_out_size || !cardp->ep_in_size) { |
289 | lbs_deb_usbd(&udev->dev, "Endpoints not found\n"); | |
290 | goto dealloc; | |
291 | } | |
292 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
293 | lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n"); | |
294 | goto dealloc; | |
295 | } | |
296 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
297 | lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n"); | |
298 | goto dealloc; | |
299 | } | |
300 | cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL); | |
301 | if (!cardp->ep_out_buf) { | |
302 | lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n"); | |
303 | goto dealloc; | |
304 | } | |
876c9d3a | 305 | |
954ee164 | 306 | /* Upload firmware */ |
d6d1b650 | 307 | kparam_block_sysfs_write(fw_name); |
1556c0f2 | 308 | if (__if_usb_prog_firmware(cardp, lbs_fw_name, BOOT_CMD_FW_BY_USB)) { |
d6d1b650 | 309 | kparam_unblock_sysfs_write(fw_name); |
23d36eec | 310 | lbs_deb_usbd(&udev->dev, "FW upload failed\n"); |
954ee164 DW |
311 | goto err_prog_firmware; |
312 | } | |
d6d1b650 | 313 | kparam_unblock_sysfs_write(fw_name); |
954ee164 | 314 | |
10078321 | 315 | if (!(priv = lbs_add_card(cardp, &udev->dev))) |
954ee164 | 316 | goto err_prog_firmware; |
3874d0fe | 317 | |
954ee164 | 318 | cardp->priv = priv; |
c9cd6f9d | 319 | cardp->priv->fw_ready = 1; |
965f8bbc | 320 | |
208fdd2f | 321 | priv->hw_host_to_card = if_usb_host_to_card; |
49125454 AK |
322 | priv->enter_deep_sleep = NULL; |
323 | priv->exit_deep_sleep = NULL; | |
324 | priv->reset_deep_sleep_wakeup = NULL; | |
b77ec4ca DW |
325 | #ifdef CONFIG_OLPC |
326 | if (machine_is_olpc()) | |
327 | priv->reset_card = if_usb_reset_olpc_card; | |
328 | #endif | |
329 | ||
4365929d | 330 | cardp->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 331 | |
954ee164 | 332 | if_usb_submit_rx_urb(cardp); |
954ee164 | 333 | |
10078321 | 334 | if (lbs_start_card(priv)) |
954ee164 | 335 | goto err_start_card; |
32a74b7c | 336 | |
4694961c | 337 | if_usb_setup_firmware(priv); |
d1f7a5b8 | 338 | |
876c9d3a | 339 | usb_get_dev(udev); |
435a1acb | 340 | usb_set_intfdata(intf, cardp); |
876c9d3a | 341 | |
1ff41eb0 BC |
342 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_fw)) |
343 | lbs_pr_err("cannot register lbs_flash_fw attribute\n"); | |
344 | ||
345 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2)) | |
346 | lbs_pr_err("cannot register lbs_flash_boot2 attribute\n"); | |
347 | ||
876c9d3a MT |
348 | return 0; |
349 | ||
954ee164 | 350 | err_start_card: |
10078321 | 351 | lbs_remove_card(priv); |
954ee164 DW |
352 | err_prog_firmware: |
353 | if_usb_reset_device(cardp); | |
876c9d3a | 354 | dealloc: |
435a1acb | 355 | if_usb_free(cardp); |
876c9d3a MT |
356 | |
357 | error: | |
358 | return -ENOMEM; | |
359 | } | |
360 | ||
361 | /** | |
362 | * @brief free resource and cleanup | |
435a1acb | 363 | * @param intf USB interface structure |
876c9d3a MT |
364 | * @return N/A |
365 | */ | |
366 | static void if_usb_disconnect(struct usb_interface *intf) | |
367 | { | |
eae86bf3 | 368 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 369 | struct lbs_private *priv = (struct lbs_private *) cardp->priv; |
876c9d3a | 370 | |
954ee164 | 371 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 372 | |
1ff41eb0 BC |
373 | device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2); |
374 | device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_fw); | |
375 | ||
954ee164 | 376 | cardp->surprise_removed = 1; |
876c9d3a | 377 | |
954ee164 | 378 | if (priv) { |
aa21c004 | 379 | priv->surpriseremoved = 1; |
10078321 | 380 | lbs_stop_card(priv); |
10078321 | 381 | lbs_remove_card(priv); |
954ee164 | 382 | } |
876c9d3a MT |
383 | |
384 | /* Unlink and free urb */ | |
385 | if_usb_free(cardp); | |
386 | ||
387 | usb_set_intfdata(intf, NULL); | |
388 | usb_put_dev(interface_to_usbdev(intf)); | |
389 | ||
954ee164 | 390 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
391 | } |
392 | ||
393 | /** | |
394 | * @brief This function download FW | |
69f9032d | 395 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
396 | * @return 0 |
397 | */ | |
eae86bf3 | 398 | static int if_usb_send_fw_pkt(struct if_usb_card *cardp) |
876c9d3a | 399 | { |
eae86bf3 | 400 | struct fwdata *fwdata = cardp->ep_out_buf; |
6dfff895 | 401 | const uint8_t *firmware = cardp->fw->data; |
876c9d3a | 402 | |
eae86bf3 DW |
403 | /* If we got a CRC failure on the last block, back |
404 | up and retry it */ | |
876c9d3a MT |
405 | if (!cardp->CRC_OK) { |
406 | cardp->totalbytes = cardp->fwlastblksent; | |
eae86bf3 | 407 | cardp->fwseqnum--; |
876c9d3a MT |
408 | } |
409 | ||
eae86bf3 DW |
410 | lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n", |
411 | cardp->totalbytes); | |
876c9d3a | 412 | |
eae86bf3 DW |
413 | /* struct fwdata (which we sent to the card) has an |
414 | extra __le32 field in between the header and the data, | |
415 | which is not in the struct fwheader in the actual | |
416 | firmware binary. Insert the seqnum in the middle... */ | |
417 | memcpy(&fwdata->hdr, &firmware[cardp->totalbytes], | |
876c9d3a MT |
418 | sizeof(struct fwheader)); |
419 | ||
420 | cardp->fwlastblksent = cardp->totalbytes; | |
421 | cardp->totalbytes += sizeof(struct fwheader); | |
422 | ||
876c9d3a | 423 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
eae86bf3 | 424 | le32_to_cpu(fwdata->hdr.datalength)); |
876c9d3a | 425 | |
eae86bf3 DW |
426 | lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n", |
427 | le32_to_cpu(fwdata->hdr.datalength)); | |
876c9d3a | 428 | |
eae86bf3 DW |
429 | fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum); |
430 | cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength); | |
876c9d3a | 431 | |
eae86bf3 DW |
432 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) + |
433 | le32_to_cpu(fwdata->hdr.datalength)); | |
434 | ||
435 | if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { | |
436 | lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n"); | |
437 | lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n", | |
438 | cardp->fwseqnum, cardp->totalbytes); | |
439 | } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { | |
440 | lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n"); | |
441 | lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n"); | |
876c9d3a | 442 | |
876c9d3a MT |
443 | cardp->fwfinalblk = 1; |
444 | } | |
445 | ||
eae86bf3 DW |
446 | lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n", |
447 | cardp->totalbytes); | |
876c9d3a MT |
448 | |
449 | return 0; | |
450 | } | |
451 | ||
eae86bf3 | 452 | static int if_usb_reset_device(struct if_usb_card *cardp) |
876c9d3a | 453 | { |
0bb64087 | 454 | struct cmd_header *cmd = cardp->ep_out_buf + 4; |
876c9d3a | 455 | int ret; |
876c9d3a | 456 | |
3874d0fe HS |
457 | lbs_deb_enter(LBS_DEB_USB); |
458 | ||
eae86bf3 | 459 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
6d35fdfc DW |
460 | |
461 | cmd->command = cpu_to_le16(CMD_802_11_RESET); | |
0bb64087 | 462 | cmd->size = cpu_to_le16(sizeof(cmd)); |
6d35fdfc DW |
463 | cmd->result = cpu_to_le16(0); |
464 | cmd->seqnum = cpu_to_le16(0x5a5a); | |
f8e77cae | 465 | usb_tx_block(cardp, cardp->ep_out_buf, 4 + sizeof(struct cmd_header)); |
6d35fdfc | 466 | |
c8ba39d0 | 467 | msleep(100); |
876c9d3a | 468 | ret = usb_reset_device(cardp->udev); |
c8ba39d0 | 469 | msleep(100); |
3874d0fe | 470 | |
b77ec4ca DW |
471 | #ifdef CONFIG_OLPC |
472 | if (ret && machine_is_olpc()) | |
473 | if_usb_reset_olpc_card(NULL); | |
474 | #endif | |
475 | ||
3874d0fe HS |
476 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
477 | ||
876c9d3a MT |
478 | return ret; |
479 | } | |
480 | ||
481 | /** | |
482 | * @brief This function transfer the data to the device. | |
69f9032d | 483 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
484 | * @param payload pointer to payload data |
485 | * @param nb data length | |
486 | * @return 0 or -1 | |
487 | */ | |
eae86bf3 | 488 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb) |
876c9d3a | 489 | { |
876c9d3a MT |
490 | int ret = -1; |
491 | ||
492 | /* check if device is removed */ | |
954ee164 | 493 | if (cardp->surprise_removed) { |
9012b28a | 494 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
495 | goto tx_ret; |
496 | } | |
497 | ||
498 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
499 | usb_sndbulkpipe(cardp->udev, | |
eae86bf3 | 500 | cardp->ep_out), |
954ee164 | 501 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
502 | |
503 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
504 | ||
505 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
0856e681 | 506 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
876c9d3a MT |
507 | ret = -1; |
508 | } else { | |
eae86bf3 | 509 | lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n"); |
876c9d3a MT |
510 | ret = 0; |
511 | } | |
512 | ||
513 | tx_ret: | |
514 | return ret; | |
515 | } | |
516 | ||
eae86bf3 | 517 | static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, |
954ee164 | 518 | void (*callbackfn)(struct urb *urb)) |
876c9d3a | 519 | { |
876c9d3a | 520 | struct sk_buff *skb; |
876c9d3a MT |
521 | int ret = -1; |
522 | ||
523 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
524 | lbs_pr_err("No free skb\n"); | |
525 | goto rx_ret; | |
526 | } | |
527 | ||
eae86bf3 | 528 | cardp->rx_skb = skb; |
876c9d3a MT |
529 | |
530 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
531 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
eae86bf3 | 532 | usb_rcvbulkpipe(cardp->udev, cardp->ep_in), |
e9024a05 | 533 | skb->data + IPFIELD_ALIGN_OFFSET, |
876c9d3a | 534 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
eae86bf3 | 535 | cardp); |
876c9d3a MT |
536 | |
537 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
538 | ||
eae86bf3 | 539 | lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); |
876c9d3a | 540 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
0856e681 | 541 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
77d8cf2c | 542 | kfree_skb(skb); |
eae86bf3 | 543 | cardp->rx_skb = NULL; |
876c9d3a MT |
544 | ret = -1; |
545 | } else { | |
eae86bf3 | 546 | lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n"); |
876c9d3a MT |
547 | ret = 0; |
548 | } | |
549 | ||
550 | rx_ret: | |
551 | return ret; | |
552 | } | |
553 | ||
eae86bf3 | 554 | static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp) |
876c9d3a | 555 | { |
954ee164 | 556 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
557 | } |
558 | ||
eae86bf3 | 559 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp) |
876c9d3a | 560 | { |
954ee164 | 561 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
562 | } |
563 | ||
564 | static void if_usb_receive_fwload(struct urb *urb) | |
565 | { | |
eae86bf3 DW |
566 | struct if_usb_card *cardp = urb->context; |
567 | struct sk_buff *skb = cardp->rx_skb; | |
876c9d3a | 568 | struct fwsyncheader *syncfwheader; |
eae86bf3 | 569 | struct bootcmdresp bootcmdresp; |
876c9d3a MT |
570 | |
571 | if (urb->status) { | |
9012b28a | 572 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 573 | "URB status is failed during fw load\n"); |
876c9d3a MT |
574 | kfree_skb(skb); |
575 | return; | |
576 | } | |
577 | ||
c9cd6f9d DW |
578 | if (cardp->fwdnldover) { |
579 | __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
580 | ||
581 | if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && | |
582 | tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { | |
583 | lbs_pr_info("Firmware ready event received\n"); | |
584 | wake_up(&cardp->fw_wq); | |
585 | } else { | |
eae86bf3 DW |
586 | lbs_deb_usb("Waiting for confirmation; got %x %x\n", |
587 | le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1])); | |
c9cd6f9d DW |
588 | if_usb_submit_rx_urb_fwload(cardp); |
589 | } | |
590 | kfree_skb(skb); | |
591 | return; | |
592 | } | |
c8ba39d0 | 593 | if (cardp->bootcmdresp <= 0) { |
876c9d3a MT |
594 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, |
595 | sizeof(bootcmdresp)); | |
eae86bf3 | 596 | |
981f187b | 597 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 598 | kfree_skb(skb); |
954ee164 | 599 | if_usb_submit_rx_urb_fwload(cardp); |
1556c0f2 | 600 | cardp->bootcmdresp = BOOT_CMD_RESP_OK; |
9012b28a | 601 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 602 | "Received valid boot command response\n"); |
876c9d3a MT |
603 | return; |
604 | } | |
eae86bf3 DW |
605 | if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
606 | if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) || | |
607 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) || | |
608 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) { | |
c9cd6f9d DW |
609 | if (!cardp->bootcmdresp) |
610 | lbs_pr_info("Firmware already seems alive; resetting\n"); | |
6d35fdfc DW |
611 | cardp->bootcmdresp = -1; |
612 | } else { | |
613 | lbs_pr_info("boot cmd response wrong magic number (0x%x)\n", | |
eae86bf3 | 614 | le32_to_cpu(bootcmdresp.magic)); |
6d35fdfc | 615 | } |
1556c0f2 BC |
616 | } else if ((bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) && |
617 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_FW) && | |
618 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_BOOT2)) { | |
eae86bf3 DW |
619 | lbs_pr_info("boot cmd response cmd_tag error (%d)\n", |
620 | bootcmdresp.cmd); | |
621 | } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) { | |
622 | lbs_pr_info("boot cmd response result error (%d)\n", | |
623 | bootcmdresp.result); | |
876c9d3a MT |
624 | } else { |
625 | cardp->bootcmdresp = 1; | |
9012b28a | 626 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 627 | "Received valid boot command response\n"); |
876c9d3a MT |
628 | } |
629 | kfree_skb(skb); | |
954ee164 | 630 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
631 | return; |
632 | } | |
633 | ||
731a9b2a JL |
634 | syncfwheader = kmemdup(skb->data + IPFIELD_ALIGN_OFFSET, |
635 | sizeof(struct fwsyncheader), GFP_ATOMIC); | |
876c9d3a | 636 | if (!syncfwheader) { |
9012b28a | 637 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
638 | kfree_skb(skb); |
639 | return; | |
640 | } | |
641 | ||
876c9d3a | 642 | if (!syncfwheader->cmd) { |
eae86bf3 DW |
643 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n"); |
644 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n", | |
645 | le32_to_cpu(syncfwheader->seqnum)); | |
876c9d3a MT |
646 | cardp->CRC_OK = 1; |
647 | } else { | |
eae86bf3 | 648 | lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n"); |
876c9d3a MT |
649 | cardp->CRC_OK = 0; |
650 | } | |
651 | ||
652 | kfree_skb(skb); | |
653 | ||
1556c0f2 BC |
654 | /* Give device 5s to either write firmware to its RAM or eeprom */ |
655 | mod_timer(&cardp->fw_timeout, jiffies + (HZ*5)); | |
4f82f5c8 | 656 | |
876c9d3a MT |
657 | if (cardp->fwfinalblk) { |
658 | cardp->fwdnldover = 1; | |
659 | goto exit; | |
660 | } | |
661 | ||
4f82f5c8 | 662 | if_usb_send_fw_pkt(cardp); |
876c9d3a | 663 | |
4f82f5c8 | 664 | exit: |
c9cd6f9d DW |
665 | if_usb_submit_rx_urb_fwload(cardp); |
666 | ||
876c9d3a | 667 | kfree(syncfwheader); |
876c9d3a MT |
668 | } |
669 | ||
670 | #define MRVDRV_MIN_PKT_LEN 30 | |
671 | ||
672 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
eae86bf3 | 673 | struct if_usb_card *cardp, |
69f9032d | 674 | struct lbs_private *priv) |
876c9d3a | 675 | { |
eae86bf3 DW |
676 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN |
677 | || recvlength < MRVDRV_MIN_PKT_LEN) { | |
678 | lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n"); | |
876c9d3a MT |
679 | kfree_skb(skb); |
680 | return; | |
681 | } | |
682 | ||
683 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
684 | skb_put(skb, recvlength); | |
685 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
eae86bf3 | 686 | |
10078321 | 687 | lbs_process_rxed_packet(priv, skb); |
876c9d3a MT |
688 | } |
689 | ||
eae86bf3 | 690 | static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, |
876c9d3a | 691 | struct sk_buff *skb, |
eae86bf3 | 692 | struct if_usb_card *cardp, |
69f9032d | 693 | struct lbs_private *priv) |
876c9d3a | 694 | { |
7919b89c HS |
695 | u8 i; |
696 | ||
ddac4526 | 697 | if (recvlength > LBS_CMD_BUFFER_SIZE) { |
9012b28a | 698 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 699 | "The receive buffer is too large\n"); |
876c9d3a MT |
700 | kfree_skb(skb); |
701 | return; | |
702 | } | |
703 | ||
0ee904c3 | 704 | BUG_ON(!in_interrupt()); |
876c9d3a | 705 | |
aa21c004 | 706 | spin_lock(&priv->driver_lock); |
876c9d3a | 707 | |
7919b89c HS |
708 | i = (priv->resp_idx == 0) ? 1 : 0; |
709 | BUG_ON(priv->resp_len[i]); | |
710 | priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN); | |
711 | memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN, | |
712 | priv->resp_len[i]); | |
876c9d3a | 713 | kfree_skb(skb); |
7919b89c HS |
714 | lbs_notify_command_response(priv, i); |
715 | ||
aa21c004 | 716 | spin_unlock(&priv->driver_lock); |
876c9d3a | 717 | |
9012b28a | 718 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 719 | "Wake up main thread to handle cmd response\n"); |
876c9d3a MT |
720 | } |
721 | ||
722 | /** | |
723 | * @brief This function reads of the packet into the upload buff, | |
724 | * wake up the main thread and initialise the Rx callack. | |
725 | * | |
726 | * @param urb pointer to struct urb | |
727 | * @return N/A | |
728 | */ | |
729 | static void if_usb_receive(struct urb *urb) | |
730 | { | |
eae86bf3 DW |
731 | struct if_usb_card *cardp = urb->context; |
732 | struct sk_buff *skb = cardp->rx_skb; | |
69f9032d | 733 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 734 | int recvlength = urb->actual_length; |
eae86bf3 DW |
735 | uint8_t *recvbuff = NULL; |
736 | uint32_t recvtype = 0; | |
737 | __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
7919b89c | 738 | uint32_t event; |
876c9d3a | 739 | |
9012b28a | 740 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
741 | |
742 | if (recvlength) { | |
743 | if (urb->status) { | |
eae86bf3 DW |
744 | lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n", |
745 | urb->status); | |
876c9d3a MT |
746 | kfree_skb(skb); |
747 | goto setup_for_next; | |
748 | } | |
749 | ||
750 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
eae86bf3 | 751 | recvtype = le32_to_cpu(pkt[0]); |
9012b28a | 752 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
753 | "Recv length = 0x%x, Recv type = 0x%X\n", |
754 | recvlength, recvtype); | |
77d8cf2c DW |
755 | } else if (urb->status) { |
756 | kfree_skb(skb); | |
876c9d3a | 757 | goto rx_exit; |
77d8cf2c | 758 | } |
876c9d3a | 759 | |
876c9d3a MT |
760 | switch (recvtype) { |
761 | case CMD_TYPE_DATA: | |
762 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
763 | break; | |
764 | ||
765 | case CMD_TYPE_REQUEST: | |
766 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
767 | break; | |
768 | ||
769 | case CMD_TYPE_INDICATION: | |
7919b89c HS |
770 | /* Event handling */ |
771 | event = le32_to_cpu(pkt[1]); | |
772 | lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event); | |
773 | kfree_skb(skb); | |
eae86bf3 | 774 | |
7919b89c HS |
775 | /* Icky undocumented magic special case */ |
776 | if (event & 0xffff0000) { | |
777 | u32 trycount = (event & 0xffff0000) >> 16; | |
eae86bf3 | 778 | |
7919b89c HS |
779 | lbs_send_tx_feedback(priv, trycount); |
780 | } else | |
781 | lbs_queue_event(priv, event & 0xFF); | |
782 | break; | |
eae86bf3 | 783 | |
876c9d3a | 784 | default: |
8362cd41 | 785 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
eae86bf3 | 786 | recvtype); |
876c9d3a MT |
787 | kfree_skb(skb); |
788 | break; | |
789 | } | |
790 | ||
791 | setup_for_next: | |
954ee164 | 792 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 793 | rx_exit: |
9012b28a | 794 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
795 | } |
796 | ||
797 | /** | |
798 | * @brief This function downloads data to FW | |
69f9032d | 799 | * @param priv pointer to struct lbs_private structure |
876c9d3a MT |
800 | * @param type type of data |
801 | * @param buf pointer to data buffer | |
802 | * @param len number of bytes | |
803 | * @return 0 or -1 | |
804 | */ | |
eae86bf3 DW |
805 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
806 | uint8_t *payload, uint16_t nb) | |
876c9d3a | 807 | { |
eae86bf3 | 808 | struct if_usb_card *cardp = priv->card; |
876c9d3a | 809 | |
9012b28a HS |
810 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
811 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
812 | |
813 | if (type == MVMS_CMD) { | |
eae86bf3 | 814 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 815 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a | 816 | } else { |
eae86bf3 | 817 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 818 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
819 | } |
820 | ||
eae86bf3 | 821 | memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb); |
876c9d3a | 822 | |
eae86bf3 | 823 | return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
824 | } |
825 | ||
9e22cb67 DW |
826 | /** |
827 | * @brief This function issues Boot command to the Boot2 code | |
828 | * @param ivalue 1:Boot from FW by USB-Download | |
829 | * 2:Boot from FW in EEPROM | |
830 | * @return 0 | |
831 | */ | |
eae86bf3 | 832 | static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue) |
9e22cb67 | 833 | { |
eae86bf3 | 834 | struct bootcmd *bootcmd = cardp->ep_out_buf; |
9e22cb67 DW |
835 | |
836 | /* Prepare command */ | |
eae86bf3 DW |
837 | bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); |
838 | bootcmd->cmd = ivalue; | |
839 | memset(bootcmd->pad, 0, sizeof(bootcmd->pad)); | |
9e22cb67 DW |
840 | |
841 | /* Issue command */ | |
eae86bf3 | 842 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd)); |
9e22cb67 DW |
843 | |
844 | return 0; | |
845 | } | |
876c9d3a MT |
846 | |
847 | ||
954ee164 DW |
848 | /** |
849 | * @brief This function checks the validity of Boot2/FW image. | |
850 | * | |
851 | * @param data pointer to image | |
852 | * len image length | |
853 | * @return 0 or -1 | |
854 | */ | |
6dfff895 | 855 | static int check_fwfile_format(const uint8_t *data, uint32_t totlen) |
954ee164 | 856 | { |
eae86bf3 DW |
857 | uint32_t bincmd, exit; |
858 | uint32_t blksize, offset, len; | |
954ee164 DW |
859 | int ret; |
860 | ||
861 | ret = 1; | |
862 | exit = len = 0; | |
863 | ||
864 | do { | |
865 | struct fwheader *fwh = (void *)data; | |
866 | ||
867 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
868 | blksize = le32_to_cpu(fwh->datalength); | |
869 | switch (bincmd) { | |
870 | case FW_HAS_DATA_TO_RECV: | |
871 | offset = sizeof(struct fwheader) + blksize; | |
872 | data += offset; | |
873 | len += offset; | |
874 | if (len >= totlen) | |
875 | exit = 1; | |
876 | break; | |
877 | case FW_HAS_LAST_BLOCK: | |
878 | exit = 1; | |
879 | ret = 0; | |
880 | break; | |
881 | default: | |
882 | exit = 1; | |
883 | break; | |
884 | } | |
885 | } while (!exit); | |
886 | ||
887 | if (ret) | |
888 | lbs_pr_err("firmware file format check FAIL\n"); | |
889 | else | |
890 | lbs_deb_fw("firmware file format check PASS\n"); | |
891 | ||
892 | return ret; | |
893 | } | |
894 | ||
895 | ||
1556c0f2 BC |
896 | /** |
897 | * @brief This function programs the firmware subject to cmd | |
898 | * | |
899 | * @param cardp the if_usb_card descriptor | |
900 | * fwname firmware or boot2 image file name | |
901 | * cmd either BOOT_CMD_FW_BY_USB, BOOT_CMD_UPDATE_FW, | |
902 | * or BOOT_CMD_UPDATE_BOOT2. | |
903 | * @return 0 or error code | |
904 | */ | |
905 | static int if_usb_prog_firmware(struct if_usb_card *cardp, | |
906 | const char *fwname, int cmd) | |
907 | { | |
908 | struct lbs_private *priv = cardp->priv; | |
909 | unsigned long flags, caps; | |
910 | int ret; | |
911 | ||
912 | caps = priv->fwcapinfo; | |
913 | if (((cmd == BOOT_CMD_UPDATE_FW) && !(caps & FW_CAPINFO_FIRMWARE_UPGRADE)) || | |
914 | ((cmd == BOOT_CMD_UPDATE_BOOT2) && !(caps & FW_CAPINFO_BOOT2_UPGRADE))) | |
915 | return -EOPNOTSUPP; | |
916 | ||
917 | /* Ensure main thread is idle. */ | |
918 | spin_lock_irqsave(&priv->driver_lock, flags); | |
919 | while (priv->cur_cmd != NULL || priv->dnld_sent != DNLD_RES_RECEIVED) { | |
920 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
921 | if (wait_event_interruptible(priv->waitq, | |
922 | (priv->cur_cmd == NULL && | |
923 | priv->dnld_sent == DNLD_RES_RECEIVED))) { | |
924 | return -ERESTARTSYS; | |
925 | } | |
926 | spin_lock_irqsave(&priv->driver_lock, flags); | |
927 | } | |
928 | priv->dnld_sent = DNLD_BOOTCMD_SENT; | |
929 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
930 | ||
931 | ret = __if_usb_prog_firmware(cardp, fwname, cmd); | |
932 | ||
933 | spin_lock_irqsave(&priv->driver_lock, flags); | |
934 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
935 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
936 | ||
937 | wake_up_interruptible(&priv->waitq); | |
938 | ||
939 | return ret; | |
940 | } | |
941 | ||
5cddea81 DW |
942 | /* table of firmware file names */ |
943 | static const struct { | |
944 | u32 model; | |
945 | const char *fwname; | |
946 | } fw_table[] = { | |
947 | { MODEL_8388, "libertas/usb8388_v9.bin" }, | |
948 | { MODEL_8388, "libertas/usb8388_v5.bin" }, | |
949 | { MODEL_8388, "libertas/usb8388.bin" }, | |
950 | { MODEL_8388, "usb8388.bin" }, | |
951 | { MODEL_8682, "libertas/usb8682.bin" } | |
952 | }; | |
953 | ||
954 | static int get_fw(struct if_usb_card *cardp, const char *fwname) | |
955 | { | |
956 | int i; | |
957 | ||
958 | /* Try user-specified firmware first */ | |
959 | if (fwname) | |
960 | return request_firmware(&cardp->fw, fwname, &cardp->udev->dev); | |
961 | ||
962 | /* Otherwise search for firmware to use */ | |
963 | for (i = 0; i < ARRAY_SIZE(fw_table); i++) { | |
964 | if (fw_table[i].model != cardp->model) | |
965 | continue; | |
966 | if (request_firmware(&cardp->fw, fw_table[i].fwname, | |
967 | &cardp->udev->dev) == 0) | |
968 | return 0; | |
969 | } | |
970 | ||
971 | return -ENOENT; | |
972 | } | |
973 | ||
1556c0f2 BC |
974 | static int __if_usb_prog_firmware(struct if_usb_card *cardp, |
975 | const char *fwname, int cmd) | |
876c9d3a | 976 | { |
876c9d3a MT |
977 | int i = 0; |
978 | static int reset_count = 10; | |
9012b28a | 979 | int ret = 0; |
876c9d3a | 980 | |
9012b28a | 981 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 982 | |
5cddea81 DW |
983 | ret = get_fw(cardp, fwname); |
984 | if (ret) { | |
985 | lbs_pr_err("failed to find firmware (%d)\n", ret); | |
954ee164 DW |
986 | goto done; |
987 | } | |
988 | ||
1556c0f2 BC |
989 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) { |
990 | ret = -EINVAL; | |
954ee164 | 991 | goto release_fw; |
1556c0f2 BC |
992 | } |
993 | ||
994 | /* Cancel any pending usb business */ | |
995 | usb_kill_urb(cardp->rx_urb); | |
996 | usb_kill_urb(cardp->tx_urb); | |
997 | ||
998 | cardp->fwlastblksent = 0; | |
999 | cardp->fwdnldover = 0; | |
1000 | cardp->totalbytes = 0; | |
1001 | cardp->fwfinalblk = 0; | |
1002 | cardp->bootcmdresp = 0; | |
876c9d3a MT |
1003 | |
1004 | restart: | |
954ee164 | 1005 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a | 1006 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
1556c0f2 | 1007 | ret = -EIO; |
954ee164 | 1008 | goto release_fw; |
876c9d3a MT |
1009 | } |
1010 | ||
876c9d3a MT |
1011 | cardp->bootcmdresp = 0; |
1012 | do { | |
1013 | int j = 0; | |
1014 | i++; | |
1556c0f2 | 1015 | if_usb_issue_boot_command(cardp, cmd); |
876c9d3a MT |
1016 | /* wait for command response */ |
1017 | do { | |
1018 | j++; | |
1019 | msleep_interruptible(100); | |
1020 | } while (cardp->bootcmdresp == 0 && j < 10); | |
1021 | } while (cardp->bootcmdresp == 0 && i < 5); | |
1022 | ||
1556c0f2 BC |
1023 | if (cardp->bootcmdresp == BOOT_CMD_RESP_NOT_SUPPORTED) { |
1024 | /* Return to normal operation */ | |
1025 | ret = -EOPNOTSUPP; | |
1026 | usb_kill_urb(cardp->rx_urb); | |
1027 | usb_kill_urb(cardp->tx_urb); | |
1028 | if (if_usb_submit_rx_urb(cardp) < 0) | |
1029 | ret = -EIO; | |
1030 | goto release_fw; | |
1031 | } else if (cardp->bootcmdresp <= 0) { | |
876c9d3a | 1032 | if (--reset_count >= 0) { |
954ee164 | 1033 | if_usb_reset_device(cardp); |
876c9d3a MT |
1034 | goto restart; |
1035 | } | |
1556c0f2 BC |
1036 | ret = -EIO; |
1037 | goto release_fw; | |
876c9d3a | 1038 | } |
876c9d3a MT |
1039 | |
1040 | i = 0; | |
876c9d3a MT |
1041 | |
1042 | cardp->totalbytes = 0; | |
1043 | cardp->fwlastblksent = 0; | |
1044 | cardp->CRC_OK = 1; | |
1045 | cardp->fwdnldover = 0; | |
1046 | cardp->fwseqnum = -1; | |
1047 | cardp->totalbytes = 0; | |
1048 | cardp->fwfinalblk = 0; | |
1049 | ||
4f82f5c8 DW |
1050 | /* Send the first firmware packet... */ |
1051 | if_usb_send_fw_pkt(cardp); | |
876c9d3a | 1052 | |
4f82f5c8 DW |
1053 | /* ... and wait for the process to complete */ |
1054 | wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); | |
7e226272 | 1055 | |
4f82f5c8 | 1056 | del_timer_sync(&cardp->fw_timeout); |
c9cd6f9d | 1057 | usb_kill_urb(cardp->rx_urb); |
876c9d3a MT |
1058 | |
1059 | if (!cardp->fwdnldover) { | |
1060 | lbs_pr_info("failed to load fw, resetting device!\n"); | |
1061 | if (--reset_count >= 0) { | |
954ee164 | 1062 | if_usb_reset_device(cardp); |
876c9d3a MT |
1063 | goto restart; |
1064 | } | |
1065 | ||
1066 | lbs_pr_info("FW download failure, time = %d ms\n", i * 100); | |
1556c0f2 | 1067 | ret = -EIO; |
954ee164 | 1068 | goto release_fw; |
876c9d3a MT |
1069 | } |
1070 | ||
eae86bf3 | 1071 | release_fw: |
954ee164 DW |
1072 | release_firmware(cardp->fw); |
1073 | cardp->fw = NULL; | |
876c9d3a | 1074 | |
eae86bf3 | 1075 | done: |
9012b28a HS |
1076 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
1077 | return ret; | |
876c9d3a MT |
1078 | } |
1079 | ||
1df4e8fe | 1080 | |
876c9d3a MT |
1081 | #ifdef CONFIG_PM |
1082 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
1083 | { | |
eae86bf3 | 1084 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 1085 | struct lbs_private *priv = cardp->priv; |
d1f7a5b8 | 1086 | int ret; |
876c9d3a | 1087 | |
9012b28a | 1088 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 1089 | |
aa21c004 | 1090 | if (priv->psstate != PS_STATE_FULL_POWER) |
876c9d3a MT |
1091 | return -1; |
1092 | ||
66fceb69 AK |
1093 | if (priv->wol_criteria == EHS_REMOVE_WAKEUP) { |
1094 | lbs_pr_info("Suspend attempt without " | |
1095 | "configuring wake params!\n"); | |
1096 | return -ENOSYS; | |
1097 | } | |
1098 | ||
d1f7a5b8 DW |
1099 | ret = lbs_suspend(priv); |
1100 | if (ret) | |
1101 | goto out; | |
876c9d3a MT |
1102 | |
1103 | /* Unlink tx & rx urb */ | |
1104 | usb_kill_urb(cardp->tx_urb); | |
1105 | usb_kill_urb(cardp->rx_urb); | |
1106 | ||
d1f7a5b8 | 1107 | out: |
9012b28a | 1108 | lbs_deb_leave(LBS_DEB_USB); |
d1f7a5b8 | 1109 | return ret; |
876c9d3a MT |
1110 | } |
1111 | ||
1112 | static int if_usb_resume(struct usb_interface *intf) | |
1113 | { | |
eae86bf3 | 1114 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 1115 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 1116 | |
9012b28a | 1117 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 1118 | |
6bc822b5 | 1119 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 1120 | |
d1f7a5b8 | 1121 | lbs_resume(priv); |
876c9d3a | 1122 | |
9012b28a | 1123 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1124 | return 0; |
1125 | } | |
1126 | #else | |
1127 | #define if_usb_suspend NULL | |
1128 | #define if_usb_resume NULL | |
1129 | #endif | |
1130 | ||
1131 | static struct usb_driver if_usb_driver = { | |
798fbfec | 1132 | .name = DRV_NAME, |
876c9d3a | 1133 | .probe = if_usb_probe, |
876c9d3a | 1134 | .disconnect = if_usb_disconnect, |
876c9d3a MT |
1135 | .id_table = if_usb_table, |
1136 | .suspend = if_usb_suspend, | |
1137 | .resume = if_usb_resume, | |
7b58ccfe | 1138 | .reset_resume = if_usb_resume, |
876c9d3a MT |
1139 | }; |
1140 | ||
4fb910fd | 1141 | static int __init if_usb_init_module(void) |
876c9d3a | 1142 | { |
084708b6 | 1143 | int ret = 0; |
876c9d3a | 1144 | |
084708b6 HS |
1145 | lbs_deb_enter(LBS_DEB_MAIN); |
1146 | ||
084708b6 HS |
1147 | ret = usb_register(&if_usb_driver); |
1148 | ||
1149 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1150 | return ret; | |
876c9d3a MT |
1151 | } |
1152 | ||
4fb910fd | 1153 | static void __exit if_usb_exit_module(void) |
876c9d3a | 1154 | { |
084708b6 HS |
1155 | lbs_deb_enter(LBS_DEB_MAIN); |
1156 | ||
876c9d3a | 1157 | usb_deregister(&if_usb_driver); |
084708b6 HS |
1158 | |
1159 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 1160 | } |
084708b6 HS |
1161 | |
1162 | module_init(if_usb_init_module); | |
1163 | module_exit(if_usb_exit_module); | |
1164 | ||
1165 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
eae86bf3 | 1166 | MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc."); |
084708b6 | 1167 | MODULE_LICENSE("GPL"); |