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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 | ||
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 | 135 | } |
876c9d3a MT |
136 | } |
137 | ||
138 | /** | |
139 | * @brief free tx/rx urb, skb and rx buffer | |
eae86bf3 | 140 | * @param cardp pointer if_usb_card |
876c9d3a MT |
141 | * @return N/A |
142 | */ | |
eae86bf3 | 143 | static void if_usb_free(struct if_usb_card *cardp) |
876c9d3a | 144 | { |
9012b28a | 145 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
146 | |
147 | /* Unlink tx & rx urb */ | |
148 | usb_kill_urb(cardp->tx_urb); | |
149 | usb_kill_urb(cardp->rx_urb); | |
150 | ||
151 | usb_free_urb(cardp->tx_urb); | |
152 | cardp->tx_urb = NULL; | |
153 | ||
154 | usb_free_urb(cardp->rx_urb); | |
155 | cardp->rx_urb = NULL; | |
156 | ||
eae86bf3 DW |
157 | kfree(cardp->ep_out_buf); |
158 | cardp->ep_out_buf = NULL; | |
876c9d3a | 159 | |
9012b28a | 160 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
161 | } |
162 | ||
4694961c | 163 | static void if_usb_setup_firmware(struct lbs_private *priv) |
04c80f1a | 164 | { |
4365929d | 165 | struct if_usb_card *cardp = priv->card; |
04c80f1a | 166 | struct cmd_ds_set_boot2_ver b2_cmd; |
4694961c | 167 | struct cmd_ds_802_11_fw_wake_method wake_method; |
04c80f1a | 168 | |
9fae899c | 169 | b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd)); |
04c80f1a | 170 | b2_cmd.action = 0; |
4365929d | 171 | b2_cmd.version = cardp->boot2_version; |
04c80f1a | 172 | |
b23b2061 | 173 | if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd)) |
04c80f1a | 174 | lbs_deb_usb("Setting boot2 version failed\n"); |
4694961c DW |
175 | |
176 | priv->wol_gpio = 2; /* Wake via GPIO2... */ | |
177 | priv->wol_gap = 20; /* ... after 20ms */ | |
582c1b53 AN |
178 | lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA, |
179 | (struct wol_config *) NULL); | |
4694961c DW |
180 | |
181 | wake_method.hdr.size = cpu_to_le16(sizeof(wake_method)); | |
182 | wake_method.action = cpu_to_le16(CMD_ACT_GET); | |
183 | if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) { | |
184 | lbs_pr_info("Firmware does not seem to support PS mode\n"); | |
e0d6133c | 185 | priv->fwcapinfo &= ~FW_CAPINFO_PS; |
4694961c DW |
186 | } else { |
187 | if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) { | |
188 | lbs_deb_usb("Firmware seems to support PS with wake-via-command\n"); | |
4694961c DW |
189 | } else { |
190 | /* The versions which boot up this way don't seem to | |
191 | work even if we set it to the command interrupt */ | |
e0d6133c | 192 | priv->fwcapinfo &= ~FW_CAPINFO_PS; |
4694961c DW |
193 | lbs_pr_info("Firmware doesn't wake via command interrupt; disabling PS mode\n"); |
194 | } | |
195 | } | |
04c80f1a DW |
196 | } |
197 | ||
2fd6cfe3 | 198 | static void if_usb_fw_timeo(unsigned long priv) |
4f82f5c8 | 199 | { |
eae86bf3 | 200 | struct if_usb_card *cardp = (void *)priv; |
04c80f1a | 201 | |
4f82f5c8 DW |
202 | if (cardp->fwdnldover) { |
203 | lbs_deb_usb("Download complete, no event. Assuming success\n"); | |
204 | } else { | |
205 | lbs_pr_err("Download timed out\n"); | |
206 | cardp->surprise_removed = 1; | |
207 | } | |
208 | wake_up(&cardp->fw_wq); | |
209 | } | |
eae86bf3 | 210 | |
b77ec4ca DW |
211 | #ifdef CONFIG_OLPC |
212 | static void if_usb_reset_olpc_card(struct lbs_private *priv) | |
213 | { | |
214 | printk(KERN_CRIT "Resetting OLPC wireless via EC...\n"); | |
215 | olpc_ec_cmd(0x25, NULL, 0, NULL, 0); | |
216 | } | |
217 | #endif | |
218 | ||
876c9d3a MT |
219 | /** |
220 | * @brief sets the configuration values | |
221 | * @param ifnum interface number | |
222 | * @param id pointer to usb_device_id | |
223 | * @return 0 on success, error code on failure | |
224 | */ | |
225 | static int if_usb_probe(struct usb_interface *intf, | |
226 | const struct usb_device_id *id) | |
227 | { | |
228 | struct usb_device *udev; | |
229 | struct usb_host_interface *iface_desc; | |
230 | struct usb_endpoint_descriptor *endpoint; | |
69f9032d | 231 | struct lbs_private *priv; |
eae86bf3 | 232 | struct if_usb_card *cardp; |
876c9d3a MT |
233 | int i; |
234 | ||
235 | udev = interface_to_usbdev(intf); | |
236 | ||
eae86bf3 | 237 | cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL); |
435a1acb | 238 | if (!cardp) { |
876c9d3a MT |
239 | lbs_pr_err("Out of memory allocating private data.\n"); |
240 | goto error; | |
241 | } | |
242 | ||
4f82f5c8 DW |
243 | setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp); |
244 | init_waitqueue_head(&cardp->fw_wq); | |
7e226272 | 245 | |
435a1acb | 246 | cardp->udev = udev; |
876c9d3a MT |
247 | iface_desc = intf->cur_altsetting; |
248 | ||
9012b28a | 249 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
eae86bf3 | 250 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
981f187b DW |
251 | le16_to_cpu(udev->descriptor.bcdUSB), |
252 | udev->descriptor.bDeviceClass, | |
253 | udev->descriptor.bDeviceSubClass, | |
254 | udev->descriptor.bDeviceProtocol); | |
876c9d3a MT |
255 | |
256 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
257 | endpoint = &iface_desc->endpoint[i].desc; | |
eae86bf3 DW |
258 | if (usb_endpoint_is_bulk_in(endpoint)) { |
259 | cardp->ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
260 | cardp->ep_in = usb_endpoint_num(endpoint); | |
876c9d3a | 261 | |
eae86bf3 DW |
262 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in); |
263 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size); | |
876c9d3a | 264 | |
eae86bf3 DW |
265 | } else if (usb_endpoint_is_bulk_out(endpoint)) { |
266 | cardp->ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
267 | cardp->ep_out = usb_endpoint_num(endpoint); | |
268 | ||
269 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out); | |
270 | lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size); | |
876c9d3a MT |
271 | } |
272 | } | |
eae86bf3 DW |
273 | if (!cardp->ep_out_size || !cardp->ep_in_size) { |
274 | lbs_deb_usbd(&udev->dev, "Endpoints not found\n"); | |
275 | goto dealloc; | |
276 | } | |
277 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
278 | lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n"); | |
279 | goto dealloc; | |
280 | } | |
281 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
282 | lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n"); | |
283 | goto dealloc; | |
284 | } | |
285 | cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL); | |
286 | if (!cardp->ep_out_buf) { | |
287 | lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n"); | |
288 | goto dealloc; | |
289 | } | |
876c9d3a | 290 | |
954ee164 | 291 | /* Upload firmware */ |
1556c0f2 | 292 | if (__if_usb_prog_firmware(cardp, lbs_fw_name, BOOT_CMD_FW_BY_USB)) { |
23d36eec | 293 | lbs_deb_usbd(&udev->dev, "FW upload failed\n"); |
954ee164 DW |
294 | goto err_prog_firmware; |
295 | } | |
296 | ||
10078321 | 297 | if (!(priv = lbs_add_card(cardp, &udev->dev))) |
954ee164 | 298 | goto err_prog_firmware; |
3874d0fe | 299 | |
954ee164 | 300 | cardp->priv = priv; |
c9cd6f9d | 301 | cardp->priv->fw_ready = 1; |
965f8bbc | 302 | |
208fdd2f | 303 | priv->hw_host_to_card = if_usb_host_to_card; |
49125454 AK |
304 | priv->enter_deep_sleep = NULL; |
305 | priv->exit_deep_sleep = NULL; | |
306 | priv->reset_deep_sleep_wakeup = NULL; | |
b77ec4ca DW |
307 | #ifdef CONFIG_OLPC |
308 | if (machine_is_olpc()) | |
309 | priv->reset_card = if_usb_reset_olpc_card; | |
310 | #endif | |
311 | ||
4365929d | 312 | cardp->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 313 | |
954ee164 | 314 | if_usb_submit_rx_urb(cardp); |
954ee164 | 315 | |
10078321 | 316 | if (lbs_start_card(priv)) |
954ee164 | 317 | goto err_start_card; |
32a74b7c | 318 | |
4694961c | 319 | if_usb_setup_firmware(priv); |
d1f7a5b8 | 320 | |
876c9d3a | 321 | usb_get_dev(udev); |
435a1acb | 322 | usb_set_intfdata(intf, cardp); |
876c9d3a | 323 | |
1ff41eb0 BC |
324 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_fw)) |
325 | lbs_pr_err("cannot register lbs_flash_fw attribute\n"); | |
326 | ||
327 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2)) | |
328 | lbs_pr_err("cannot register lbs_flash_boot2 attribute\n"); | |
329 | ||
876c9d3a MT |
330 | return 0; |
331 | ||
954ee164 | 332 | err_start_card: |
10078321 | 333 | lbs_remove_card(priv); |
954ee164 DW |
334 | err_prog_firmware: |
335 | if_usb_reset_device(cardp); | |
876c9d3a | 336 | dealloc: |
435a1acb | 337 | if_usb_free(cardp); |
876c9d3a MT |
338 | |
339 | error: | |
340 | return -ENOMEM; | |
341 | } | |
342 | ||
343 | /** | |
344 | * @brief free resource and cleanup | |
435a1acb | 345 | * @param intf USB interface structure |
876c9d3a MT |
346 | * @return N/A |
347 | */ | |
348 | static void if_usb_disconnect(struct usb_interface *intf) | |
349 | { | |
eae86bf3 | 350 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 351 | struct lbs_private *priv = (struct lbs_private *) cardp->priv; |
876c9d3a | 352 | |
954ee164 | 353 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 354 | |
1ff41eb0 BC |
355 | device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2); |
356 | device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_fw); | |
357 | ||
954ee164 | 358 | cardp->surprise_removed = 1; |
876c9d3a | 359 | |
954ee164 | 360 | if (priv) { |
aa21c004 | 361 | priv->surpriseremoved = 1; |
10078321 | 362 | lbs_stop_card(priv); |
10078321 | 363 | lbs_remove_card(priv); |
954ee164 | 364 | } |
876c9d3a MT |
365 | |
366 | /* Unlink and free urb */ | |
367 | if_usb_free(cardp); | |
368 | ||
369 | usb_set_intfdata(intf, NULL); | |
370 | usb_put_dev(interface_to_usbdev(intf)); | |
371 | ||
954ee164 | 372 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
373 | } |
374 | ||
375 | /** | |
376 | * @brief This function download FW | |
69f9032d | 377 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
378 | * @return 0 |
379 | */ | |
eae86bf3 | 380 | static int if_usb_send_fw_pkt(struct if_usb_card *cardp) |
876c9d3a | 381 | { |
eae86bf3 | 382 | struct fwdata *fwdata = cardp->ep_out_buf; |
6dfff895 | 383 | const uint8_t *firmware = cardp->fw->data; |
876c9d3a | 384 | |
eae86bf3 DW |
385 | /* If we got a CRC failure on the last block, back |
386 | up and retry it */ | |
876c9d3a MT |
387 | if (!cardp->CRC_OK) { |
388 | cardp->totalbytes = cardp->fwlastblksent; | |
eae86bf3 | 389 | cardp->fwseqnum--; |
876c9d3a MT |
390 | } |
391 | ||
eae86bf3 DW |
392 | lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n", |
393 | cardp->totalbytes); | |
876c9d3a | 394 | |
eae86bf3 DW |
395 | /* struct fwdata (which we sent to the card) has an |
396 | extra __le32 field in between the header and the data, | |
397 | which is not in the struct fwheader in the actual | |
398 | firmware binary. Insert the seqnum in the middle... */ | |
399 | memcpy(&fwdata->hdr, &firmware[cardp->totalbytes], | |
876c9d3a MT |
400 | sizeof(struct fwheader)); |
401 | ||
402 | cardp->fwlastblksent = cardp->totalbytes; | |
403 | cardp->totalbytes += sizeof(struct fwheader); | |
404 | ||
876c9d3a | 405 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
eae86bf3 | 406 | le32_to_cpu(fwdata->hdr.datalength)); |
876c9d3a | 407 | |
eae86bf3 DW |
408 | lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n", |
409 | le32_to_cpu(fwdata->hdr.datalength)); | |
876c9d3a | 410 | |
eae86bf3 DW |
411 | fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum); |
412 | cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength); | |
876c9d3a | 413 | |
eae86bf3 DW |
414 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) + |
415 | le32_to_cpu(fwdata->hdr.datalength)); | |
416 | ||
417 | if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { | |
418 | lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n"); | |
419 | lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n", | |
420 | cardp->fwseqnum, cardp->totalbytes); | |
421 | } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { | |
422 | lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n"); | |
423 | lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n"); | |
876c9d3a | 424 | |
876c9d3a MT |
425 | cardp->fwfinalblk = 1; |
426 | } | |
427 | ||
eae86bf3 DW |
428 | lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n", |
429 | cardp->totalbytes); | |
876c9d3a MT |
430 | |
431 | return 0; | |
432 | } | |
433 | ||
eae86bf3 | 434 | static int if_usb_reset_device(struct if_usb_card *cardp) |
876c9d3a | 435 | { |
eae86bf3 | 436 | struct cmd_ds_command *cmd = cardp->ep_out_buf + 4; |
876c9d3a | 437 | int ret; |
876c9d3a | 438 | |
3874d0fe HS |
439 | lbs_deb_enter(LBS_DEB_USB); |
440 | ||
eae86bf3 | 441 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
6d35fdfc DW |
442 | |
443 | cmd->command = cpu_to_le16(CMD_802_11_RESET); | |
f8e77cae | 444 | cmd->size = cpu_to_le16(sizeof(struct cmd_header)); |
6d35fdfc DW |
445 | cmd->result = cpu_to_le16(0); |
446 | cmd->seqnum = cpu_to_le16(0x5a5a); | |
f8e77cae | 447 | usb_tx_block(cardp, cardp->ep_out_buf, 4 + sizeof(struct cmd_header)); |
6d35fdfc | 448 | |
c8ba39d0 | 449 | msleep(100); |
876c9d3a | 450 | ret = usb_reset_device(cardp->udev); |
c8ba39d0 | 451 | msleep(100); |
3874d0fe | 452 | |
b77ec4ca DW |
453 | #ifdef CONFIG_OLPC |
454 | if (ret && machine_is_olpc()) | |
455 | if_usb_reset_olpc_card(NULL); | |
456 | #endif | |
457 | ||
3874d0fe HS |
458 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
459 | ||
876c9d3a MT |
460 | return ret; |
461 | } | |
462 | ||
463 | /** | |
464 | * @brief This function transfer the data to the device. | |
69f9032d | 465 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
466 | * @param payload pointer to payload data |
467 | * @param nb data length | |
468 | * @return 0 or -1 | |
469 | */ | |
eae86bf3 | 470 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb) |
876c9d3a | 471 | { |
876c9d3a MT |
472 | int ret = -1; |
473 | ||
474 | /* check if device is removed */ | |
954ee164 | 475 | if (cardp->surprise_removed) { |
9012b28a | 476 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
477 | goto tx_ret; |
478 | } | |
479 | ||
480 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
481 | usb_sndbulkpipe(cardp->udev, | |
eae86bf3 | 482 | cardp->ep_out), |
954ee164 | 483 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
484 | |
485 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
486 | ||
487 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
0856e681 | 488 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
876c9d3a MT |
489 | ret = -1; |
490 | } else { | |
eae86bf3 | 491 | lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n"); |
876c9d3a MT |
492 | ret = 0; |
493 | } | |
494 | ||
495 | tx_ret: | |
496 | return ret; | |
497 | } | |
498 | ||
eae86bf3 | 499 | static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, |
954ee164 | 500 | void (*callbackfn)(struct urb *urb)) |
876c9d3a | 501 | { |
876c9d3a | 502 | struct sk_buff *skb; |
876c9d3a MT |
503 | int ret = -1; |
504 | ||
505 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
506 | lbs_pr_err("No free skb\n"); | |
507 | goto rx_ret; | |
508 | } | |
509 | ||
eae86bf3 | 510 | cardp->rx_skb = skb; |
876c9d3a MT |
511 | |
512 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
513 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
eae86bf3 | 514 | usb_rcvbulkpipe(cardp->udev, cardp->ep_in), |
e9024a05 | 515 | skb->data + IPFIELD_ALIGN_OFFSET, |
876c9d3a | 516 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
eae86bf3 | 517 | cardp); |
876c9d3a MT |
518 | |
519 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
520 | ||
eae86bf3 | 521 | lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); |
876c9d3a | 522 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
0856e681 | 523 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
77d8cf2c | 524 | kfree_skb(skb); |
eae86bf3 | 525 | cardp->rx_skb = NULL; |
876c9d3a MT |
526 | ret = -1; |
527 | } else { | |
eae86bf3 | 528 | lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n"); |
876c9d3a MT |
529 | ret = 0; |
530 | } | |
531 | ||
532 | rx_ret: | |
533 | return ret; | |
534 | } | |
535 | ||
eae86bf3 | 536 | static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp) |
876c9d3a | 537 | { |
954ee164 | 538 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
539 | } |
540 | ||
eae86bf3 | 541 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp) |
876c9d3a | 542 | { |
954ee164 | 543 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
544 | } |
545 | ||
546 | static void if_usb_receive_fwload(struct urb *urb) | |
547 | { | |
eae86bf3 DW |
548 | struct if_usb_card *cardp = urb->context; |
549 | struct sk_buff *skb = cardp->rx_skb; | |
876c9d3a | 550 | struct fwsyncheader *syncfwheader; |
eae86bf3 | 551 | struct bootcmdresp bootcmdresp; |
876c9d3a MT |
552 | |
553 | if (urb->status) { | |
9012b28a | 554 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 555 | "URB status is failed during fw load\n"); |
876c9d3a MT |
556 | kfree_skb(skb); |
557 | return; | |
558 | } | |
559 | ||
c9cd6f9d DW |
560 | if (cardp->fwdnldover) { |
561 | __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
562 | ||
563 | if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && | |
564 | tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { | |
565 | lbs_pr_info("Firmware ready event received\n"); | |
566 | wake_up(&cardp->fw_wq); | |
567 | } else { | |
eae86bf3 DW |
568 | lbs_deb_usb("Waiting for confirmation; got %x %x\n", |
569 | le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1])); | |
c9cd6f9d DW |
570 | if_usb_submit_rx_urb_fwload(cardp); |
571 | } | |
572 | kfree_skb(skb); | |
573 | return; | |
574 | } | |
c8ba39d0 | 575 | if (cardp->bootcmdresp <= 0) { |
876c9d3a MT |
576 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, |
577 | sizeof(bootcmdresp)); | |
eae86bf3 | 578 | |
981f187b | 579 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 580 | kfree_skb(skb); |
954ee164 | 581 | if_usb_submit_rx_urb_fwload(cardp); |
1556c0f2 | 582 | cardp->bootcmdresp = BOOT_CMD_RESP_OK; |
9012b28a | 583 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 584 | "Received valid boot command response\n"); |
876c9d3a MT |
585 | return; |
586 | } | |
eae86bf3 DW |
587 | if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
588 | if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) || | |
589 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) || | |
590 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) { | |
c9cd6f9d DW |
591 | if (!cardp->bootcmdresp) |
592 | lbs_pr_info("Firmware already seems alive; resetting\n"); | |
6d35fdfc DW |
593 | cardp->bootcmdresp = -1; |
594 | } else { | |
595 | lbs_pr_info("boot cmd response wrong magic number (0x%x)\n", | |
eae86bf3 | 596 | le32_to_cpu(bootcmdresp.magic)); |
6d35fdfc | 597 | } |
1556c0f2 BC |
598 | } else if ((bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) && |
599 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_FW) && | |
600 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_BOOT2)) { | |
eae86bf3 DW |
601 | lbs_pr_info("boot cmd response cmd_tag error (%d)\n", |
602 | bootcmdresp.cmd); | |
603 | } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) { | |
604 | lbs_pr_info("boot cmd response result error (%d)\n", | |
605 | bootcmdresp.result); | |
876c9d3a MT |
606 | } else { |
607 | cardp->bootcmdresp = 1; | |
9012b28a | 608 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 609 | "Received valid boot command response\n"); |
876c9d3a MT |
610 | } |
611 | kfree_skb(skb); | |
954ee164 | 612 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
613 | return; |
614 | } | |
615 | ||
731a9b2a JL |
616 | syncfwheader = kmemdup(skb->data + IPFIELD_ALIGN_OFFSET, |
617 | sizeof(struct fwsyncheader), GFP_ATOMIC); | |
876c9d3a | 618 | if (!syncfwheader) { |
9012b28a | 619 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
620 | kfree_skb(skb); |
621 | return; | |
622 | } | |
623 | ||
876c9d3a | 624 | if (!syncfwheader->cmd) { |
eae86bf3 DW |
625 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n"); |
626 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n", | |
627 | le32_to_cpu(syncfwheader->seqnum)); | |
876c9d3a MT |
628 | cardp->CRC_OK = 1; |
629 | } else { | |
eae86bf3 | 630 | lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n"); |
876c9d3a MT |
631 | cardp->CRC_OK = 0; |
632 | } | |
633 | ||
634 | kfree_skb(skb); | |
635 | ||
1556c0f2 BC |
636 | /* Give device 5s to either write firmware to its RAM or eeprom */ |
637 | mod_timer(&cardp->fw_timeout, jiffies + (HZ*5)); | |
4f82f5c8 | 638 | |
876c9d3a MT |
639 | if (cardp->fwfinalblk) { |
640 | cardp->fwdnldover = 1; | |
641 | goto exit; | |
642 | } | |
643 | ||
4f82f5c8 | 644 | if_usb_send_fw_pkt(cardp); |
876c9d3a | 645 | |
4f82f5c8 | 646 | exit: |
c9cd6f9d DW |
647 | if_usb_submit_rx_urb_fwload(cardp); |
648 | ||
876c9d3a | 649 | kfree(syncfwheader); |
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 | ||
66fceb69 AK |
1044 | if (priv->wol_criteria == EHS_REMOVE_WAKEUP) { |
1045 | lbs_pr_info("Suspend attempt without " | |
1046 | "configuring wake params!\n"); | |
1047 | return -ENOSYS; | |
1048 | } | |
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"); |