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> | |
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 | ||
82209adc | 29 | static char *lbs_fw_name = "usb8388.bin"; |
10078321 | 30 | module_param_named(fw_name, lbs_fw_name, charp, 0644); |
084708b6 | 31 | |
a974a4bb BH |
32 | MODULE_FIRMWARE("usb8388.bin"); |
33 | ||
876c9d3a MT |
34 | static struct usb_device_id if_usb_table[] = { |
35 | /* Enter the device signature inside */ | |
66fcc559 HS |
36 | { USB_DEVICE(0x1286, 0x2001) }, |
37 | { USB_DEVICE(0x05a3, 0x8388) }, | |
876c9d3a MT |
38 | {} /* Terminating entry */ |
39 | }; | |
40 | ||
41 | MODULE_DEVICE_TABLE(usb, if_usb_table); | |
42 | ||
43 | static void if_usb_receive(struct urb *urb); | |
44 | static void if_usb_receive_fwload(struct urb *urb); | |
1556c0f2 BC |
45 | static int __if_usb_prog_firmware(struct if_usb_card *cardp, |
46 | const char *fwname, int cmd); | |
47 | static int if_usb_prog_firmware(struct if_usb_card *cardp, | |
48 | const char *fwname, int cmd); | |
eae86bf3 DW |
49 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
50 | uint8_t *payload, uint16_t nb); | |
eae86bf3 DW |
51 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, |
52 | uint16_t nb); | |
53 | static void if_usb_free(struct if_usb_card *cardp); | |
54 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp); | |
55 | static int if_usb_reset_device(struct if_usb_card *cardp); | |
876c9d3a | 56 | |
1ff41eb0 BC |
57 | /* sysfs hooks */ |
58 | ||
59 | /** | |
60 | * Set function to write firmware to device's persistent memory | |
61 | */ | |
62 | static ssize_t if_usb_firmware_set(struct device *dev, | |
63 | struct device_attribute *attr, const char *buf, size_t count) | |
64 | { | |
ab65f649 | 65 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
1ff41eb0 | 66 | struct if_usb_card *cardp = priv->card; |
1ff41eb0 BC |
67 | int ret; |
68 | ||
cadeba31 | 69 | ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_FW); |
1ff41eb0 BC |
70 | if (ret == 0) |
71 | return count; | |
72 | ||
73 | return ret; | |
74 | } | |
75 | ||
76 | /** | |
77 | * lbs_flash_fw attribute to be exported per ethX interface through sysfs | |
78 | * (/sys/class/net/ethX/lbs_flash_fw). Use this like so to write firmware to | |
79 | * the device's persistent memory: | |
80 | * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_flash_fw | |
81 | */ | |
82 | static DEVICE_ATTR(lbs_flash_fw, 0200, NULL, if_usb_firmware_set); | |
83 | ||
84 | /** | |
85 | * Set function to write firmware to device's persistent memory | |
86 | */ | |
87 | static ssize_t if_usb_boot2_set(struct device *dev, | |
88 | struct device_attribute *attr, const char *buf, size_t count) | |
89 | { | |
ab65f649 | 90 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
1ff41eb0 | 91 | struct if_usb_card *cardp = priv->card; |
1ff41eb0 BC |
92 | int ret; |
93 | ||
cadeba31 | 94 | ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_BOOT2); |
1ff41eb0 BC |
95 | if (ret == 0) |
96 | return count; | |
97 | ||
98 | return ret; | |
99 | } | |
100 | ||
101 | /** | |
102 | * lbs_flash_boot2 attribute to be exported per ethX interface through sysfs | |
103 | * (/sys/class/net/ethX/lbs_flash_boot2). Use this like so to write firmware | |
104 | * to the device's persistent memory: | |
105 | * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_flash_boot2 | |
106 | */ | |
107 | static DEVICE_ATTR(lbs_flash_boot2, 0200, NULL, if_usb_boot2_set); | |
108 | ||
876c9d3a MT |
109 | /** |
110 | * @brief call back function to handle the status of the URB | |
111 | * @param urb pointer to urb structure | |
112 | * @return N/A | |
113 | */ | |
114 | static void if_usb_write_bulk_callback(struct urb *urb) | |
115 | { | |
eae86bf3 | 116 | struct if_usb_card *cardp = (struct if_usb_card *) urb->context; |
876c9d3a MT |
117 | |
118 | /* handle the transmission complete validations */ | |
119 | ||
954ee164 | 120 | if (urb->status == 0) { |
69f9032d | 121 | struct lbs_private *priv = cardp->priv; |
954ee164 | 122 | |
eae86bf3 DW |
123 | lbs_deb_usb2(&urb->dev->dev, "URB status is successful\n"); |
124 | lbs_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n", | |
125 | urb->actual_length); | |
954ee164 | 126 | |
1556c0f2 BC |
127 | /* Boot commands such as UPDATE_FW and UPDATE_BOOT2 are not |
128 | * passed up to the lbs level. | |
954ee164 | 129 | */ |
1556c0f2 | 130 | if (priv && priv->dnld_sent != DNLD_BOOTCMD_SENT) |
e775ed7c | 131 | lbs_host_to_card_done(priv); |
954ee164 DW |
132 | } else { |
133 | /* print the failure status number for debug */ | |
134 | lbs_pr_info("URB in failure status: %d\n", urb->status); | |
876c9d3a MT |
135 | } |
136 | ||
137 | return; | |
138 | } | |
139 | ||
140 | /** | |
141 | * @brief free tx/rx urb, skb and rx buffer | |
eae86bf3 | 142 | * @param cardp pointer if_usb_card |
876c9d3a MT |
143 | * @return N/A |
144 | */ | |
eae86bf3 | 145 | static void if_usb_free(struct if_usb_card *cardp) |
876c9d3a | 146 | { |
9012b28a | 147 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
148 | |
149 | /* Unlink tx & rx urb */ | |
150 | usb_kill_urb(cardp->tx_urb); | |
151 | usb_kill_urb(cardp->rx_urb); | |
152 | ||
153 | usb_free_urb(cardp->tx_urb); | |
154 | cardp->tx_urb = NULL; | |
155 | ||
156 | usb_free_urb(cardp->rx_urb); | |
157 | cardp->rx_urb = NULL; | |
158 | ||
eae86bf3 DW |
159 | kfree(cardp->ep_out_buf); |
160 | cardp->ep_out_buf = NULL; | |
876c9d3a | 161 | |
9012b28a | 162 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
163 | } |
164 | ||
4694961c | 165 | static void if_usb_setup_firmware(struct lbs_private *priv) |
04c80f1a | 166 | { |
4365929d | 167 | struct if_usb_card *cardp = priv->card; |
04c80f1a | 168 | struct cmd_ds_set_boot2_ver b2_cmd; |
4694961c | 169 | struct cmd_ds_802_11_fw_wake_method wake_method; |
04c80f1a | 170 | |
9fae899c | 171 | b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd)); |
04c80f1a | 172 | b2_cmd.action = 0; |
4365929d | 173 | b2_cmd.version = cardp->boot2_version; |
04c80f1a | 174 | |
b23b2061 | 175 | if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd)) |
04c80f1a | 176 | lbs_deb_usb("Setting boot2 version failed\n"); |
4694961c DW |
177 | |
178 | priv->wol_gpio = 2; /* Wake via GPIO2... */ | |
179 | priv->wol_gap = 20; /* ... after 20ms */ | |
582c1b53 AN |
180 | lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA, |
181 | (struct wol_config *) NULL); | |
4694961c DW |
182 | |
183 | wake_method.hdr.size = cpu_to_le16(sizeof(wake_method)); | |
184 | wake_method.action = cpu_to_le16(CMD_ACT_GET); | |
185 | if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) { | |
186 | lbs_pr_info("Firmware does not seem to support PS mode\n"); | |
e0d6133c | 187 | priv->fwcapinfo &= ~FW_CAPINFO_PS; |
4694961c DW |
188 | } else { |
189 | if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) { | |
190 | lbs_deb_usb("Firmware seems to support PS with wake-via-command\n"); | |
4694961c DW |
191 | } else { |
192 | /* The versions which boot up this way don't seem to | |
193 | work even if we set it to the command interrupt */ | |
e0d6133c | 194 | priv->fwcapinfo &= ~FW_CAPINFO_PS; |
4694961c DW |
195 | lbs_pr_info("Firmware doesn't wake via command interrupt; disabling PS mode\n"); |
196 | } | |
197 | } | |
04c80f1a DW |
198 | } |
199 | ||
2fd6cfe3 | 200 | static void if_usb_fw_timeo(unsigned long priv) |
4f82f5c8 | 201 | { |
eae86bf3 | 202 | struct if_usb_card *cardp = (void *)priv; |
04c80f1a | 203 | |
4f82f5c8 DW |
204 | if (cardp->fwdnldover) { |
205 | lbs_deb_usb("Download complete, no event. Assuming success\n"); | |
206 | } else { | |
207 | lbs_pr_err("Download timed out\n"); | |
208 | cardp->surprise_removed = 1; | |
209 | } | |
210 | wake_up(&cardp->fw_wq); | |
211 | } | |
eae86bf3 | 212 | |
b77ec4ca DW |
213 | #ifdef CONFIG_OLPC |
214 | static void if_usb_reset_olpc_card(struct lbs_private *priv) | |
215 | { | |
216 | printk(KERN_CRIT "Resetting OLPC wireless via EC...\n"); | |
217 | olpc_ec_cmd(0x25, NULL, 0, NULL, 0); | |
218 | } | |
219 | #endif | |
220 | ||
876c9d3a MT |
221 | /** |
222 | * @brief sets the configuration values | |
223 | * @param ifnum interface number | |
224 | * @param id pointer to usb_device_id | |
225 | * @return 0 on success, error code on failure | |
226 | */ | |
227 | static int if_usb_probe(struct usb_interface *intf, | |
228 | const struct usb_device_id *id) | |
229 | { | |
230 | struct usb_device *udev; | |
231 | struct usb_host_interface *iface_desc; | |
232 | struct usb_endpoint_descriptor *endpoint; | |
69f9032d | 233 | struct lbs_private *priv; |
eae86bf3 | 234 | struct if_usb_card *cardp; |
876c9d3a MT |
235 | int i; |
236 | ||
237 | udev = interface_to_usbdev(intf); | |
238 | ||
eae86bf3 | 239 | cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL); |
435a1acb | 240 | if (!cardp) { |
876c9d3a MT |
241 | lbs_pr_err("Out of memory allocating private data.\n"); |
242 | goto error; | |
243 | } | |
244 | ||
4f82f5c8 DW |
245 | setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp); |
246 | init_waitqueue_head(&cardp->fw_wq); | |
7e226272 | 247 | |
435a1acb | 248 | cardp->udev = udev; |
876c9d3a MT |
249 | iface_desc = intf->cur_altsetting; |
250 | ||
9012b28a | 251 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
eae86bf3 | 252 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
981f187b DW |
253 | le16_to_cpu(udev->descriptor.bcdUSB), |
254 | udev->descriptor.bDeviceClass, | |
255 | udev->descriptor.bDeviceSubClass, | |
256 | udev->descriptor.bDeviceProtocol); | |
876c9d3a MT |
257 | |
258 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
259 | endpoint = &iface_desc->endpoint[i].desc; | |
eae86bf3 DW |
260 | if (usb_endpoint_is_bulk_in(endpoint)) { |
261 | cardp->ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
262 | cardp->ep_in = usb_endpoint_num(endpoint); | |
876c9d3a | 263 | |
eae86bf3 DW |
264 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in); |
265 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size); | |
876c9d3a | 266 | |
eae86bf3 DW |
267 | } else if (usb_endpoint_is_bulk_out(endpoint)) { |
268 | cardp->ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
269 | cardp->ep_out = usb_endpoint_num(endpoint); | |
270 | ||
271 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out); | |
272 | lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size); | |
876c9d3a MT |
273 | } |
274 | } | |
eae86bf3 DW |
275 | if (!cardp->ep_out_size || !cardp->ep_in_size) { |
276 | lbs_deb_usbd(&udev->dev, "Endpoints not found\n"); | |
277 | goto dealloc; | |
278 | } | |
279 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
280 | lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n"); | |
281 | goto dealloc; | |
282 | } | |
283 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
284 | lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n"); | |
285 | goto dealloc; | |
286 | } | |
287 | cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL); | |
288 | if (!cardp->ep_out_buf) { | |
289 | lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n"); | |
290 | goto dealloc; | |
291 | } | |
876c9d3a | 292 | |
954ee164 | 293 | /* Upload firmware */ |
1556c0f2 | 294 | if (__if_usb_prog_firmware(cardp, lbs_fw_name, BOOT_CMD_FW_BY_USB)) { |
23d36eec | 295 | lbs_deb_usbd(&udev->dev, "FW upload failed\n"); |
954ee164 DW |
296 | goto err_prog_firmware; |
297 | } | |
298 | ||
10078321 | 299 | if (!(priv = lbs_add_card(cardp, &udev->dev))) |
954ee164 | 300 | goto err_prog_firmware; |
3874d0fe | 301 | |
954ee164 | 302 | cardp->priv = priv; |
c9cd6f9d | 303 | cardp->priv->fw_ready = 1; |
965f8bbc | 304 | |
208fdd2f | 305 | priv->hw_host_to_card = if_usb_host_to_card; |
49125454 AK |
306 | priv->enter_deep_sleep = NULL; |
307 | priv->exit_deep_sleep = NULL; | |
308 | priv->reset_deep_sleep_wakeup = NULL; | |
b77ec4ca DW |
309 | #ifdef CONFIG_OLPC |
310 | if (machine_is_olpc()) | |
311 | priv->reset_card = if_usb_reset_olpc_card; | |
312 | #endif | |
313 | ||
4365929d | 314 | cardp->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 315 | |
954ee164 | 316 | if_usb_submit_rx_urb(cardp); |
954ee164 | 317 | |
10078321 | 318 | if (lbs_start_card(priv)) |
954ee164 | 319 | goto err_start_card; |
32a74b7c | 320 | |
4694961c | 321 | if_usb_setup_firmware(priv); |
d1f7a5b8 | 322 | |
876c9d3a | 323 | usb_get_dev(udev); |
435a1acb | 324 | usb_set_intfdata(intf, cardp); |
876c9d3a | 325 | |
1ff41eb0 BC |
326 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_fw)) |
327 | lbs_pr_err("cannot register lbs_flash_fw attribute\n"); | |
328 | ||
329 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2)) | |
330 | lbs_pr_err("cannot register lbs_flash_boot2 attribute\n"); | |
331 | ||
876c9d3a MT |
332 | return 0; |
333 | ||
954ee164 | 334 | err_start_card: |
10078321 | 335 | lbs_remove_card(priv); |
954ee164 DW |
336 | err_prog_firmware: |
337 | if_usb_reset_device(cardp); | |
876c9d3a | 338 | dealloc: |
435a1acb | 339 | if_usb_free(cardp); |
876c9d3a MT |
340 | |
341 | error: | |
342 | return -ENOMEM; | |
343 | } | |
344 | ||
345 | /** | |
346 | * @brief free resource and cleanup | |
435a1acb | 347 | * @param intf USB interface structure |
876c9d3a MT |
348 | * @return N/A |
349 | */ | |
350 | static void if_usb_disconnect(struct usb_interface *intf) | |
351 | { | |
eae86bf3 | 352 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 353 | struct lbs_private *priv = (struct lbs_private *) cardp->priv; |
876c9d3a | 354 | |
954ee164 | 355 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 356 | |
1ff41eb0 BC |
357 | device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2); |
358 | device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_fw); | |
359 | ||
954ee164 | 360 | cardp->surprise_removed = 1; |
876c9d3a | 361 | |
954ee164 | 362 | if (priv) { |
aa21c004 | 363 | priv->surpriseremoved = 1; |
10078321 | 364 | lbs_stop_card(priv); |
10078321 | 365 | lbs_remove_card(priv); |
954ee164 | 366 | } |
876c9d3a MT |
367 | |
368 | /* Unlink and free urb */ | |
369 | if_usb_free(cardp); | |
370 | ||
371 | usb_set_intfdata(intf, NULL); | |
372 | usb_put_dev(interface_to_usbdev(intf)); | |
373 | ||
954ee164 | 374 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
375 | } |
376 | ||
377 | /** | |
378 | * @brief This function download FW | |
69f9032d | 379 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
380 | * @return 0 |
381 | */ | |
eae86bf3 | 382 | static int if_usb_send_fw_pkt(struct if_usb_card *cardp) |
876c9d3a | 383 | { |
eae86bf3 | 384 | struct fwdata *fwdata = cardp->ep_out_buf; |
6dfff895 | 385 | const uint8_t *firmware = cardp->fw->data; |
876c9d3a | 386 | |
eae86bf3 DW |
387 | /* If we got a CRC failure on the last block, back |
388 | up and retry it */ | |
876c9d3a MT |
389 | if (!cardp->CRC_OK) { |
390 | cardp->totalbytes = cardp->fwlastblksent; | |
eae86bf3 | 391 | cardp->fwseqnum--; |
876c9d3a MT |
392 | } |
393 | ||
eae86bf3 DW |
394 | lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n", |
395 | cardp->totalbytes); | |
876c9d3a | 396 | |
eae86bf3 DW |
397 | /* struct fwdata (which we sent to the card) has an |
398 | extra __le32 field in between the header and the data, | |
399 | which is not in the struct fwheader in the actual | |
400 | firmware binary. Insert the seqnum in the middle... */ | |
401 | memcpy(&fwdata->hdr, &firmware[cardp->totalbytes], | |
876c9d3a MT |
402 | sizeof(struct fwheader)); |
403 | ||
404 | cardp->fwlastblksent = cardp->totalbytes; | |
405 | cardp->totalbytes += sizeof(struct fwheader); | |
406 | ||
876c9d3a | 407 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
eae86bf3 | 408 | le32_to_cpu(fwdata->hdr.datalength)); |
876c9d3a | 409 | |
eae86bf3 DW |
410 | lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n", |
411 | le32_to_cpu(fwdata->hdr.datalength)); | |
876c9d3a | 412 | |
eae86bf3 DW |
413 | fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum); |
414 | cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength); | |
876c9d3a | 415 | |
eae86bf3 DW |
416 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) + |
417 | le32_to_cpu(fwdata->hdr.datalength)); | |
418 | ||
419 | if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { | |
420 | lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n"); | |
421 | lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n", | |
422 | cardp->fwseqnum, cardp->totalbytes); | |
423 | } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { | |
424 | lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n"); | |
425 | lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n"); | |
876c9d3a | 426 | |
876c9d3a MT |
427 | cardp->fwfinalblk = 1; |
428 | } | |
429 | ||
eae86bf3 DW |
430 | lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n", |
431 | cardp->totalbytes); | |
876c9d3a MT |
432 | |
433 | return 0; | |
434 | } | |
435 | ||
eae86bf3 | 436 | static int if_usb_reset_device(struct if_usb_card *cardp) |
876c9d3a | 437 | { |
eae86bf3 | 438 | struct cmd_ds_command *cmd = cardp->ep_out_buf + 4; |
876c9d3a | 439 | int ret; |
876c9d3a | 440 | |
3874d0fe HS |
441 | lbs_deb_enter(LBS_DEB_USB); |
442 | ||
eae86bf3 | 443 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
6d35fdfc DW |
444 | |
445 | cmd->command = cpu_to_le16(CMD_802_11_RESET); | |
f8e77cae | 446 | cmd->size = cpu_to_le16(sizeof(struct cmd_header)); |
6d35fdfc DW |
447 | cmd->result = cpu_to_le16(0); |
448 | cmd->seqnum = cpu_to_le16(0x5a5a); | |
f8e77cae | 449 | usb_tx_block(cardp, cardp->ep_out_buf, 4 + sizeof(struct cmd_header)); |
6d35fdfc | 450 | |
c8ba39d0 | 451 | msleep(100); |
876c9d3a | 452 | ret = usb_reset_device(cardp->udev); |
c8ba39d0 | 453 | msleep(100); |
3874d0fe | 454 | |
b77ec4ca DW |
455 | #ifdef CONFIG_OLPC |
456 | if (ret && machine_is_olpc()) | |
457 | if_usb_reset_olpc_card(NULL); | |
458 | #endif | |
459 | ||
3874d0fe HS |
460 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
461 | ||
876c9d3a MT |
462 | return ret; |
463 | } | |
464 | ||
465 | /** | |
466 | * @brief This function transfer the data to the device. | |
69f9032d | 467 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
468 | * @param payload pointer to payload data |
469 | * @param nb data length | |
470 | * @return 0 or -1 | |
471 | */ | |
eae86bf3 | 472 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb) |
876c9d3a | 473 | { |
876c9d3a MT |
474 | int ret = -1; |
475 | ||
476 | /* check if device is removed */ | |
954ee164 | 477 | if (cardp->surprise_removed) { |
9012b28a | 478 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
479 | goto tx_ret; |
480 | } | |
481 | ||
482 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
483 | usb_sndbulkpipe(cardp->udev, | |
eae86bf3 | 484 | cardp->ep_out), |
954ee164 | 485 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
486 | |
487 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
488 | ||
489 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
0856e681 | 490 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
876c9d3a MT |
491 | ret = -1; |
492 | } else { | |
eae86bf3 | 493 | lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n"); |
876c9d3a MT |
494 | ret = 0; |
495 | } | |
496 | ||
497 | tx_ret: | |
498 | return ret; | |
499 | } | |
500 | ||
eae86bf3 | 501 | static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, |
954ee164 | 502 | void (*callbackfn)(struct urb *urb)) |
876c9d3a | 503 | { |
876c9d3a | 504 | struct sk_buff *skb; |
876c9d3a MT |
505 | int ret = -1; |
506 | ||
507 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
508 | lbs_pr_err("No free skb\n"); | |
509 | goto rx_ret; | |
510 | } | |
511 | ||
eae86bf3 | 512 | cardp->rx_skb = skb; |
876c9d3a MT |
513 | |
514 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
515 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
eae86bf3 | 516 | usb_rcvbulkpipe(cardp->udev, cardp->ep_in), |
e9024a05 | 517 | skb->data + IPFIELD_ALIGN_OFFSET, |
876c9d3a | 518 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
eae86bf3 | 519 | cardp); |
876c9d3a MT |
520 | |
521 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
522 | ||
eae86bf3 | 523 | lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); |
876c9d3a | 524 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
0856e681 | 525 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
77d8cf2c | 526 | kfree_skb(skb); |
eae86bf3 | 527 | cardp->rx_skb = NULL; |
876c9d3a MT |
528 | ret = -1; |
529 | } else { | |
eae86bf3 | 530 | lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n"); |
876c9d3a MT |
531 | ret = 0; |
532 | } | |
533 | ||
534 | rx_ret: | |
535 | return ret; | |
536 | } | |
537 | ||
eae86bf3 | 538 | static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp) |
876c9d3a | 539 | { |
954ee164 | 540 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
541 | } |
542 | ||
eae86bf3 | 543 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp) |
876c9d3a | 544 | { |
954ee164 | 545 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
546 | } |
547 | ||
548 | static void if_usb_receive_fwload(struct urb *urb) | |
549 | { | |
eae86bf3 DW |
550 | struct if_usb_card *cardp = urb->context; |
551 | struct sk_buff *skb = cardp->rx_skb; | |
876c9d3a | 552 | struct fwsyncheader *syncfwheader; |
eae86bf3 | 553 | struct bootcmdresp bootcmdresp; |
876c9d3a MT |
554 | |
555 | if (urb->status) { | |
9012b28a | 556 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 557 | "URB status is failed during fw load\n"); |
876c9d3a MT |
558 | kfree_skb(skb); |
559 | return; | |
560 | } | |
561 | ||
c9cd6f9d DW |
562 | if (cardp->fwdnldover) { |
563 | __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
564 | ||
565 | if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && | |
566 | tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { | |
567 | lbs_pr_info("Firmware ready event received\n"); | |
568 | wake_up(&cardp->fw_wq); | |
569 | } else { | |
eae86bf3 DW |
570 | lbs_deb_usb("Waiting for confirmation; got %x %x\n", |
571 | le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1])); | |
c9cd6f9d DW |
572 | if_usb_submit_rx_urb_fwload(cardp); |
573 | } | |
574 | kfree_skb(skb); | |
575 | return; | |
576 | } | |
c8ba39d0 | 577 | if (cardp->bootcmdresp <= 0) { |
876c9d3a MT |
578 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, |
579 | sizeof(bootcmdresp)); | |
eae86bf3 | 580 | |
981f187b | 581 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 582 | kfree_skb(skb); |
954ee164 | 583 | if_usb_submit_rx_urb_fwload(cardp); |
1556c0f2 | 584 | cardp->bootcmdresp = BOOT_CMD_RESP_OK; |
9012b28a | 585 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 586 | "Received valid boot command response\n"); |
876c9d3a MT |
587 | return; |
588 | } | |
eae86bf3 DW |
589 | if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
590 | if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) || | |
591 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) || | |
592 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) { | |
c9cd6f9d DW |
593 | if (!cardp->bootcmdresp) |
594 | lbs_pr_info("Firmware already seems alive; resetting\n"); | |
6d35fdfc DW |
595 | cardp->bootcmdresp = -1; |
596 | } else { | |
597 | lbs_pr_info("boot cmd response wrong magic number (0x%x)\n", | |
eae86bf3 | 598 | le32_to_cpu(bootcmdresp.magic)); |
6d35fdfc | 599 | } |
1556c0f2 BC |
600 | } else if ((bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) && |
601 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_FW) && | |
602 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_BOOT2)) { | |
eae86bf3 DW |
603 | lbs_pr_info("boot cmd response cmd_tag error (%d)\n", |
604 | bootcmdresp.cmd); | |
605 | } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) { | |
606 | lbs_pr_info("boot cmd response result error (%d)\n", | |
607 | bootcmdresp.result); | |
876c9d3a MT |
608 | } else { |
609 | cardp->bootcmdresp = 1; | |
9012b28a | 610 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 611 | "Received valid boot command response\n"); |
876c9d3a MT |
612 | } |
613 | kfree_skb(skb); | |
954ee164 | 614 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
615 | return; |
616 | } | |
617 | ||
618 | syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC); | |
619 | if (!syncfwheader) { | |
9012b28a | 620 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
621 | kfree_skb(skb); |
622 | return; | |
623 | } | |
624 | ||
625 | memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET, | |
eae86bf3 | 626 | sizeof(struct fwsyncheader)); |
876c9d3a MT |
627 | |
628 | if (!syncfwheader->cmd) { | |
eae86bf3 DW |
629 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n"); |
630 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n", | |
631 | le32_to_cpu(syncfwheader->seqnum)); | |
876c9d3a MT |
632 | cardp->CRC_OK = 1; |
633 | } else { | |
eae86bf3 | 634 | lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n"); |
876c9d3a MT |
635 | cardp->CRC_OK = 0; |
636 | } | |
637 | ||
638 | kfree_skb(skb); | |
639 | ||
1556c0f2 BC |
640 | /* Give device 5s to either write firmware to its RAM or eeprom */ |
641 | mod_timer(&cardp->fw_timeout, jiffies + (HZ*5)); | |
4f82f5c8 | 642 | |
876c9d3a MT |
643 | if (cardp->fwfinalblk) { |
644 | cardp->fwdnldover = 1; | |
645 | goto exit; | |
646 | } | |
647 | ||
4f82f5c8 | 648 | if_usb_send_fw_pkt(cardp); |
876c9d3a | 649 | |
4f82f5c8 | 650 | exit: |
c9cd6f9d DW |
651 | if_usb_submit_rx_urb_fwload(cardp); |
652 | ||
876c9d3a MT |
653 | kfree(syncfwheader); |
654 | ||
655 | return; | |
876c9d3a MT |
656 | } |
657 | ||
658 | #define MRVDRV_MIN_PKT_LEN 30 | |
659 | ||
660 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
eae86bf3 | 661 | struct if_usb_card *cardp, |
69f9032d | 662 | struct lbs_private *priv) |
876c9d3a | 663 | { |
eae86bf3 DW |
664 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN |
665 | || recvlength < MRVDRV_MIN_PKT_LEN) { | |
666 | lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n"); | |
876c9d3a MT |
667 | kfree_skb(skb); |
668 | return; | |
669 | } | |
670 | ||
671 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
672 | skb_put(skb, recvlength); | |
673 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
eae86bf3 | 674 | |
10078321 | 675 | lbs_process_rxed_packet(priv, skb); |
876c9d3a MT |
676 | } |
677 | ||
eae86bf3 | 678 | static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, |
876c9d3a | 679 | struct sk_buff *skb, |
eae86bf3 | 680 | struct if_usb_card *cardp, |
69f9032d | 681 | struct lbs_private *priv) |
876c9d3a | 682 | { |
7919b89c HS |
683 | u8 i; |
684 | ||
ddac4526 | 685 | if (recvlength > LBS_CMD_BUFFER_SIZE) { |
9012b28a | 686 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 687 | "The receive buffer is too large\n"); |
876c9d3a MT |
688 | kfree_skb(skb); |
689 | return; | |
690 | } | |
691 | ||
0ee904c3 | 692 | BUG_ON(!in_interrupt()); |
876c9d3a | 693 | |
aa21c004 | 694 | spin_lock(&priv->driver_lock); |
876c9d3a | 695 | |
7919b89c HS |
696 | i = (priv->resp_idx == 0) ? 1 : 0; |
697 | BUG_ON(priv->resp_len[i]); | |
698 | priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN); | |
699 | memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN, | |
700 | priv->resp_len[i]); | |
876c9d3a | 701 | kfree_skb(skb); |
7919b89c HS |
702 | lbs_notify_command_response(priv, i); |
703 | ||
aa21c004 | 704 | spin_unlock(&priv->driver_lock); |
876c9d3a | 705 | |
9012b28a | 706 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 707 | "Wake up main thread to handle cmd response\n"); |
876c9d3a MT |
708 | } |
709 | ||
710 | /** | |
711 | * @brief This function reads of the packet into the upload buff, | |
712 | * wake up the main thread and initialise the Rx callack. | |
713 | * | |
714 | * @param urb pointer to struct urb | |
715 | * @return N/A | |
716 | */ | |
717 | static void if_usb_receive(struct urb *urb) | |
718 | { | |
eae86bf3 DW |
719 | struct if_usb_card *cardp = urb->context; |
720 | struct sk_buff *skb = cardp->rx_skb; | |
69f9032d | 721 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 722 | int recvlength = urb->actual_length; |
eae86bf3 DW |
723 | uint8_t *recvbuff = NULL; |
724 | uint32_t recvtype = 0; | |
725 | __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
7919b89c | 726 | uint32_t event; |
876c9d3a | 727 | |
9012b28a | 728 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
729 | |
730 | if (recvlength) { | |
731 | if (urb->status) { | |
eae86bf3 DW |
732 | lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n", |
733 | urb->status); | |
876c9d3a MT |
734 | kfree_skb(skb); |
735 | goto setup_for_next; | |
736 | } | |
737 | ||
738 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
eae86bf3 | 739 | recvtype = le32_to_cpu(pkt[0]); |
9012b28a | 740 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
741 | "Recv length = 0x%x, Recv type = 0x%X\n", |
742 | recvlength, recvtype); | |
77d8cf2c DW |
743 | } else if (urb->status) { |
744 | kfree_skb(skb); | |
876c9d3a | 745 | goto rx_exit; |
77d8cf2c | 746 | } |
876c9d3a | 747 | |
876c9d3a MT |
748 | switch (recvtype) { |
749 | case CMD_TYPE_DATA: | |
750 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
751 | break; | |
752 | ||
753 | case CMD_TYPE_REQUEST: | |
754 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
755 | break; | |
756 | ||
757 | case CMD_TYPE_INDICATION: | |
7919b89c HS |
758 | /* Event handling */ |
759 | event = le32_to_cpu(pkt[1]); | |
760 | lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event); | |
761 | kfree_skb(skb); | |
eae86bf3 | 762 | |
7919b89c HS |
763 | /* Icky undocumented magic special case */ |
764 | if (event & 0xffff0000) { | |
765 | u32 trycount = (event & 0xffff0000) >> 16; | |
eae86bf3 | 766 | |
7919b89c HS |
767 | lbs_send_tx_feedback(priv, trycount); |
768 | } else | |
769 | lbs_queue_event(priv, event & 0xFF); | |
770 | break; | |
eae86bf3 | 771 | |
876c9d3a | 772 | default: |
8362cd41 | 773 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
eae86bf3 | 774 | recvtype); |
876c9d3a MT |
775 | kfree_skb(skb); |
776 | break; | |
777 | } | |
778 | ||
779 | setup_for_next: | |
954ee164 | 780 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 781 | rx_exit: |
9012b28a | 782 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
783 | } |
784 | ||
785 | /** | |
786 | * @brief This function downloads data to FW | |
69f9032d | 787 | * @param priv pointer to struct lbs_private structure |
876c9d3a MT |
788 | * @param type type of data |
789 | * @param buf pointer to data buffer | |
790 | * @param len number of bytes | |
791 | * @return 0 or -1 | |
792 | */ | |
eae86bf3 DW |
793 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
794 | uint8_t *payload, uint16_t nb) | |
876c9d3a | 795 | { |
eae86bf3 | 796 | struct if_usb_card *cardp = priv->card; |
876c9d3a | 797 | |
9012b28a HS |
798 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
799 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
800 | |
801 | if (type == MVMS_CMD) { | |
eae86bf3 | 802 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 803 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a | 804 | } else { |
eae86bf3 | 805 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 806 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
807 | } |
808 | ||
eae86bf3 | 809 | memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb); |
876c9d3a | 810 | |
eae86bf3 | 811 | return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
812 | } |
813 | ||
9e22cb67 DW |
814 | /** |
815 | * @brief This function issues Boot command to the Boot2 code | |
816 | * @param ivalue 1:Boot from FW by USB-Download | |
817 | * 2:Boot from FW in EEPROM | |
818 | * @return 0 | |
819 | */ | |
eae86bf3 | 820 | static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue) |
9e22cb67 | 821 | { |
eae86bf3 | 822 | struct bootcmd *bootcmd = cardp->ep_out_buf; |
9e22cb67 DW |
823 | |
824 | /* Prepare command */ | |
eae86bf3 DW |
825 | bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); |
826 | bootcmd->cmd = ivalue; | |
827 | memset(bootcmd->pad, 0, sizeof(bootcmd->pad)); | |
9e22cb67 DW |
828 | |
829 | /* Issue command */ | |
eae86bf3 | 830 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd)); |
9e22cb67 DW |
831 | |
832 | return 0; | |
833 | } | |
876c9d3a MT |
834 | |
835 | ||
954ee164 DW |
836 | /** |
837 | * @brief This function checks the validity of Boot2/FW image. | |
838 | * | |
839 | * @param data pointer to image | |
840 | * len image length | |
841 | * @return 0 or -1 | |
842 | */ | |
6dfff895 | 843 | static int check_fwfile_format(const uint8_t *data, uint32_t totlen) |
954ee164 | 844 | { |
eae86bf3 DW |
845 | uint32_t bincmd, exit; |
846 | uint32_t blksize, offset, len; | |
954ee164 DW |
847 | int ret; |
848 | ||
849 | ret = 1; | |
850 | exit = len = 0; | |
851 | ||
852 | do { | |
853 | struct fwheader *fwh = (void *)data; | |
854 | ||
855 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
856 | blksize = le32_to_cpu(fwh->datalength); | |
857 | switch (bincmd) { | |
858 | case FW_HAS_DATA_TO_RECV: | |
859 | offset = sizeof(struct fwheader) + blksize; | |
860 | data += offset; | |
861 | len += offset; | |
862 | if (len >= totlen) | |
863 | exit = 1; | |
864 | break; | |
865 | case FW_HAS_LAST_BLOCK: | |
866 | exit = 1; | |
867 | ret = 0; | |
868 | break; | |
869 | default: | |
870 | exit = 1; | |
871 | break; | |
872 | } | |
873 | } while (!exit); | |
874 | ||
875 | if (ret) | |
876 | lbs_pr_err("firmware file format check FAIL\n"); | |
877 | else | |
878 | lbs_deb_fw("firmware file format check PASS\n"); | |
879 | ||
880 | return ret; | |
881 | } | |
882 | ||
883 | ||
1556c0f2 BC |
884 | /** |
885 | * @brief This function programs the firmware subject to cmd | |
886 | * | |
887 | * @param cardp the if_usb_card descriptor | |
888 | * fwname firmware or boot2 image file name | |
889 | * cmd either BOOT_CMD_FW_BY_USB, BOOT_CMD_UPDATE_FW, | |
890 | * or BOOT_CMD_UPDATE_BOOT2. | |
891 | * @return 0 or error code | |
892 | */ | |
893 | static int if_usb_prog_firmware(struct if_usb_card *cardp, | |
894 | const char *fwname, int cmd) | |
895 | { | |
896 | struct lbs_private *priv = cardp->priv; | |
897 | unsigned long flags, caps; | |
898 | int ret; | |
899 | ||
900 | caps = priv->fwcapinfo; | |
901 | if (((cmd == BOOT_CMD_UPDATE_FW) && !(caps & FW_CAPINFO_FIRMWARE_UPGRADE)) || | |
902 | ((cmd == BOOT_CMD_UPDATE_BOOT2) && !(caps & FW_CAPINFO_BOOT2_UPGRADE))) | |
903 | return -EOPNOTSUPP; | |
904 | ||
905 | /* Ensure main thread is idle. */ | |
906 | spin_lock_irqsave(&priv->driver_lock, flags); | |
907 | while (priv->cur_cmd != NULL || priv->dnld_sent != DNLD_RES_RECEIVED) { | |
908 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
909 | if (wait_event_interruptible(priv->waitq, | |
910 | (priv->cur_cmd == NULL && | |
911 | priv->dnld_sent == DNLD_RES_RECEIVED))) { | |
912 | return -ERESTARTSYS; | |
913 | } | |
914 | spin_lock_irqsave(&priv->driver_lock, flags); | |
915 | } | |
916 | priv->dnld_sent = DNLD_BOOTCMD_SENT; | |
917 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
918 | ||
919 | ret = __if_usb_prog_firmware(cardp, fwname, cmd); | |
920 | ||
921 | spin_lock_irqsave(&priv->driver_lock, flags); | |
922 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
923 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
924 | ||
925 | wake_up_interruptible(&priv->waitq); | |
926 | ||
927 | return ret; | |
928 | } | |
929 | ||
930 | static int __if_usb_prog_firmware(struct if_usb_card *cardp, | |
931 | const char *fwname, int cmd) | |
876c9d3a | 932 | { |
876c9d3a MT |
933 | int i = 0; |
934 | static int reset_count = 10; | |
9012b28a | 935 | int ret = 0; |
876c9d3a | 936 | |
9012b28a | 937 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 938 | |
1556c0f2 BC |
939 | ret = request_firmware(&cardp->fw, fwname, &cardp->udev->dev); |
940 | if (ret < 0) { | |
954ee164 | 941 | lbs_pr_err("request_firmware() failed with %#x\n", ret); |
1556c0f2 | 942 | lbs_pr_err("firmware %s not found\n", fwname); |
954ee164 DW |
943 | goto done; |
944 | } | |
945 | ||
1556c0f2 BC |
946 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) { |
947 | ret = -EINVAL; | |
954ee164 | 948 | goto release_fw; |
1556c0f2 BC |
949 | } |
950 | ||
951 | /* Cancel any pending usb business */ | |
952 | usb_kill_urb(cardp->rx_urb); | |
953 | usb_kill_urb(cardp->tx_urb); | |
954 | ||
955 | cardp->fwlastblksent = 0; | |
956 | cardp->fwdnldover = 0; | |
957 | cardp->totalbytes = 0; | |
958 | cardp->fwfinalblk = 0; | |
959 | cardp->bootcmdresp = 0; | |
876c9d3a MT |
960 | |
961 | restart: | |
954ee164 | 962 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a | 963 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
1556c0f2 | 964 | ret = -EIO; |
954ee164 | 965 | goto release_fw; |
876c9d3a MT |
966 | } |
967 | ||
876c9d3a MT |
968 | cardp->bootcmdresp = 0; |
969 | do { | |
970 | int j = 0; | |
971 | i++; | |
1556c0f2 | 972 | if_usb_issue_boot_command(cardp, cmd); |
876c9d3a MT |
973 | /* wait for command response */ |
974 | do { | |
975 | j++; | |
976 | msleep_interruptible(100); | |
977 | } while (cardp->bootcmdresp == 0 && j < 10); | |
978 | } while (cardp->bootcmdresp == 0 && i < 5); | |
979 | ||
1556c0f2 BC |
980 | if (cardp->bootcmdresp == BOOT_CMD_RESP_NOT_SUPPORTED) { |
981 | /* Return to normal operation */ | |
982 | ret = -EOPNOTSUPP; | |
983 | usb_kill_urb(cardp->rx_urb); | |
984 | usb_kill_urb(cardp->tx_urb); | |
985 | if (if_usb_submit_rx_urb(cardp) < 0) | |
986 | ret = -EIO; | |
987 | goto release_fw; | |
988 | } else if (cardp->bootcmdresp <= 0) { | |
876c9d3a | 989 | if (--reset_count >= 0) { |
954ee164 | 990 | if_usb_reset_device(cardp); |
876c9d3a MT |
991 | goto restart; |
992 | } | |
1556c0f2 BC |
993 | ret = -EIO; |
994 | goto release_fw; | |
876c9d3a | 995 | } |
876c9d3a MT |
996 | |
997 | i = 0; | |
876c9d3a MT |
998 | |
999 | cardp->totalbytes = 0; | |
1000 | cardp->fwlastblksent = 0; | |
1001 | cardp->CRC_OK = 1; | |
1002 | cardp->fwdnldover = 0; | |
1003 | cardp->fwseqnum = -1; | |
1004 | cardp->totalbytes = 0; | |
1005 | cardp->fwfinalblk = 0; | |
1006 | ||
4f82f5c8 DW |
1007 | /* Send the first firmware packet... */ |
1008 | if_usb_send_fw_pkt(cardp); | |
876c9d3a | 1009 | |
4f82f5c8 DW |
1010 | /* ... and wait for the process to complete */ |
1011 | wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); | |
7e226272 | 1012 | |
4f82f5c8 | 1013 | del_timer_sync(&cardp->fw_timeout); |
c9cd6f9d | 1014 | usb_kill_urb(cardp->rx_urb); |
876c9d3a MT |
1015 | |
1016 | if (!cardp->fwdnldover) { | |
1017 | lbs_pr_info("failed to load fw, resetting device!\n"); | |
1018 | if (--reset_count >= 0) { | |
954ee164 | 1019 | if_usb_reset_device(cardp); |
876c9d3a MT |
1020 | goto restart; |
1021 | } | |
1022 | ||
1023 | lbs_pr_info("FW download failure, time = %d ms\n", i * 100); | |
1556c0f2 | 1024 | ret = -EIO; |
954ee164 | 1025 | goto release_fw; |
876c9d3a MT |
1026 | } |
1027 | ||
eae86bf3 | 1028 | release_fw: |
954ee164 DW |
1029 | release_firmware(cardp->fw); |
1030 | cardp->fw = NULL; | |
876c9d3a | 1031 | |
eae86bf3 | 1032 | done: |
9012b28a HS |
1033 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
1034 | return ret; | |
876c9d3a MT |
1035 | } |
1036 | ||
1df4e8fe | 1037 | |
876c9d3a MT |
1038 | #ifdef CONFIG_PM |
1039 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
1040 | { | |
eae86bf3 | 1041 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 1042 | struct lbs_private *priv = cardp->priv; |
d1f7a5b8 | 1043 | int ret; |
876c9d3a | 1044 | |
9012b28a | 1045 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 1046 | |
aa21c004 | 1047 | if (priv->psstate != PS_STATE_FULL_POWER) |
876c9d3a MT |
1048 | return -1; |
1049 | ||
d1f7a5b8 DW |
1050 | ret = lbs_suspend(priv); |
1051 | if (ret) | |
1052 | goto out; | |
876c9d3a MT |
1053 | |
1054 | /* Unlink tx & rx urb */ | |
1055 | usb_kill_urb(cardp->tx_urb); | |
1056 | usb_kill_urb(cardp->rx_urb); | |
1057 | ||
d1f7a5b8 | 1058 | out: |
9012b28a | 1059 | lbs_deb_leave(LBS_DEB_USB); |
d1f7a5b8 | 1060 | return ret; |
876c9d3a MT |
1061 | } |
1062 | ||
1063 | static int if_usb_resume(struct usb_interface *intf) | |
1064 | { | |
eae86bf3 | 1065 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 1066 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 1067 | |
9012b28a | 1068 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 1069 | |
6bc822b5 | 1070 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 1071 | |
d1f7a5b8 | 1072 | lbs_resume(priv); |
876c9d3a | 1073 | |
9012b28a | 1074 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1075 | return 0; |
1076 | } | |
1077 | #else | |
1078 | #define if_usb_suspend NULL | |
1079 | #define if_usb_resume NULL | |
1080 | #endif | |
1081 | ||
1082 | static struct usb_driver if_usb_driver = { | |
798fbfec | 1083 | .name = DRV_NAME, |
876c9d3a | 1084 | .probe = if_usb_probe, |
876c9d3a | 1085 | .disconnect = if_usb_disconnect, |
876c9d3a MT |
1086 | .id_table = if_usb_table, |
1087 | .suspend = if_usb_suspend, | |
1088 | .resume = if_usb_resume, | |
7b58ccfe | 1089 | .reset_resume = if_usb_resume, |
876c9d3a MT |
1090 | }; |
1091 | ||
4fb910fd | 1092 | static int __init if_usb_init_module(void) |
876c9d3a | 1093 | { |
084708b6 | 1094 | int ret = 0; |
876c9d3a | 1095 | |
084708b6 HS |
1096 | lbs_deb_enter(LBS_DEB_MAIN); |
1097 | ||
084708b6 HS |
1098 | ret = usb_register(&if_usb_driver); |
1099 | ||
1100 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1101 | return ret; | |
876c9d3a MT |
1102 | } |
1103 | ||
4fb910fd | 1104 | static void __exit if_usb_exit_module(void) |
876c9d3a | 1105 | { |
084708b6 HS |
1106 | lbs_deb_enter(LBS_DEB_MAIN); |
1107 | ||
876c9d3a | 1108 | usb_deregister(&if_usb_driver); |
084708b6 HS |
1109 | |
1110 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 1111 | } |
084708b6 HS |
1112 | |
1113 | module_init(if_usb_init_module); | |
1114 | module_exit(if_usb_exit_module); | |
1115 | ||
1116 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
eae86bf3 | 1117 | MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc."); |
084708b6 | 1118 | MODULE_LICENSE("GPL"); |