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Commit | Line | Data |
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876c9d3a MT |
1 | /** |
2 | * This file contains functions used in USB interface module. | |
3 | */ | |
4 | #include <linux/delay.h> | |
084708b6 | 5 | #include <linux/moduleparam.h> |
876c9d3a MT |
6 | #include <linux/firmware.h> |
7 | #include <linux/netdevice.h> | |
8 | #include <linux/usb.h> | |
9 | ||
b77ec4ca DW |
10 | #ifdef CONFIG_OLPC |
11 | #include <asm/olpc.h> | |
12 | #endif | |
13 | ||
ec3eef28 HS |
14 | #define DRV_NAME "usb8xxx" |
15 | ||
876c9d3a | 16 | #include "host.h" |
876c9d3a MT |
17 | #include "decl.h" |
18 | #include "defs.h" | |
19 | #include "dev.h" | |
14e865ba | 20 | #include "cmd.h" |
876c9d3a MT |
21 | #include "if_usb.h" |
22 | ||
eae86bf3 DW |
23 | #define INSANEDEBUG 0 |
24 | #define lbs_deb_usb2(...) do { if (INSANEDEBUG) lbs_deb_usbd(__VA_ARGS__); } while (0) | |
25 | ||
876c9d3a MT |
26 | #define MESSAGE_HEADER_LEN 4 |
27 | ||
82209adc | 28 | static char *lbs_fw_name = "usb8388.bin"; |
10078321 | 29 | module_param_named(fw_name, lbs_fw_name, charp, 0644); |
084708b6 | 30 | |
876c9d3a MT |
31 | static struct usb_device_id if_usb_table[] = { |
32 | /* Enter the device signature inside */ | |
66fcc559 HS |
33 | { USB_DEVICE(0x1286, 0x2001) }, |
34 | { USB_DEVICE(0x05a3, 0x8388) }, | |
876c9d3a MT |
35 | {} /* Terminating entry */ |
36 | }; | |
37 | ||
38 | MODULE_DEVICE_TABLE(usb, if_usb_table); | |
39 | ||
40 | static void if_usb_receive(struct urb *urb); | |
41 | static void if_usb_receive_fwload(struct urb *urb); | |
1556c0f2 BC |
42 | static int __if_usb_prog_firmware(struct if_usb_card *cardp, |
43 | const char *fwname, int cmd); | |
44 | static int if_usb_prog_firmware(struct if_usb_card *cardp, | |
45 | const char *fwname, int cmd); | |
eae86bf3 DW |
46 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
47 | uint8_t *payload, uint16_t nb); | |
eae86bf3 DW |
48 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, |
49 | uint16_t nb); | |
50 | static void if_usb_free(struct if_usb_card *cardp); | |
51 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp); | |
52 | static int if_usb_reset_device(struct if_usb_card *cardp); | |
876c9d3a | 53 | |
1ff41eb0 BC |
54 | /* sysfs hooks */ |
55 | ||
56 | /** | |
57 | * Set function to write firmware to device's persistent memory | |
58 | */ | |
59 | static ssize_t if_usb_firmware_set(struct device *dev, | |
60 | struct device_attribute *attr, const char *buf, size_t count) | |
61 | { | |
ab65f649 | 62 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
1ff41eb0 BC |
63 | struct if_usb_card *cardp = priv->card; |
64 | char fwname[FIRMWARE_NAME_MAX]; | |
65 | int ret; | |
66 | ||
67 | sscanf(buf, "%29s", fwname); /* FIRMWARE_NAME_MAX - 1 = 29 */ | |
68 | ret = if_usb_prog_firmware(cardp, fwname, BOOT_CMD_UPDATE_FW); | |
69 | if (ret == 0) | |
70 | return count; | |
71 | ||
72 | return ret; | |
73 | } | |
74 | ||
75 | /** | |
76 | * lbs_flash_fw attribute to be exported per ethX interface through sysfs | |
77 | * (/sys/class/net/ethX/lbs_flash_fw). Use this like so to write firmware to | |
78 | * the device's persistent memory: | |
79 | * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_flash_fw | |
80 | */ | |
81 | static DEVICE_ATTR(lbs_flash_fw, 0200, NULL, if_usb_firmware_set); | |
82 | ||
83 | /** | |
84 | * Set function to write firmware to device's persistent memory | |
85 | */ | |
86 | static ssize_t if_usb_boot2_set(struct device *dev, | |
87 | struct device_attribute *attr, const char *buf, size_t count) | |
88 | { | |
ab65f649 | 89 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
1ff41eb0 BC |
90 | struct if_usb_card *cardp = priv->card; |
91 | char fwname[FIRMWARE_NAME_MAX]; | |
92 | int ret; | |
93 | ||
94 | sscanf(buf, "%29s", fwname); /* FIRMWARE_NAME_MAX - 1 = 29 */ | |
95 | ret = if_usb_prog_firmware(cardp, fwname, BOOT_CMD_UPDATE_BOOT2); | |
96 | if (ret == 0) | |
97 | return count; | |
98 | ||
99 | return ret; | |
100 | } | |
101 | ||
102 | /** | |
103 | * lbs_flash_boot2 attribute to be exported per ethX interface through sysfs | |
104 | * (/sys/class/net/ethX/lbs_flash_boot2). Use this like so to write firmware | |
105 | * to the device's persistent memory: | |
106 | * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_flash_boot2 | |
107 | */ | |
108 | static DEVICE_ATTR(lbs_flash_boot2, 0200, NULL, if_usb_boot2_set); | |
109 | ||
876c9d3a MT |
110 | /** |
111 | * @brief call back function to handle the status of the URB | |
112 | * @param urb pointer to urb structure | |
113 | * @return N/A | |
114 | */ | |
115 | static void if_usb_write_bulk_callback(struct urb *urb) | |
116 | { | |
eae86bf3 | 117 | struct if_usb_card *cardp = (struct if_usb_card *) urb->context; |
876c9d3a MT |
118 | |
119 | /* handle the transmission complete validations */ | |
120 | ||
954ee164 | 121 | if (urb->status == 0) { |
69f9032d | 122 | struct lbs_private *priv = cardp->priv; |
954ee164 | 123 | |
eae86bf3 DW |
124 | lbs_deb_usb2(&urb->dev->dev, "URB status is successful\n"); |
125 | lbs_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n", | |
126 | urb->actual_length); | |
954ee164 | 127 | |
1556c0f2 BC |
128 | /* Boot commands such as UPDATE_FW and UPDATE_BOOT2 are not |
129 | * passed up to the lbs level. | |
954ee164 | 130 | */ |
1556c0f2 | 131 | if (priv && priv->dnld_sent != DNLD_BOOTCMD_SENT) |
e775ed7c | 132 | lbs_host_to_card_done(priv); |
954ee164 DW |
133 | } else { |
134 | /* print the failure status number for debug */ | |
135 | lbs_pr_info("URB in failure status: %d\n", urb->status); | |
876c9d3a MT |
136 | } |
137 | ||
138 | return; | |
139 | } | |
140 | ||
141 | /** | |
142 | * @brief free tx/rx urb, skb and rx buffer | |
eae86bf3 | 143 | * @param cardp pointer if_usb_card |
876c9d3a MT |
144 | * @return N/A |
145 | */ | |
eae86bf3 | 146 | static void if_usb_free(struct if_usb_card *cardp) |
876c9d3a | 147 | { |
9012b28a | 148 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
149 | |
150 | /* Unlink tx & rx urb */ | |
151 | usb_kill_urb(cardp->tx_urb); | |
152 | usb_kill_urb(cardp->rx_urb); | |
153 | ||
154 | usb_free_urb(cardp->tx_urb); | |
155 | cardp->tx_urb = NULL; | |
156 | ||
157 | usb_free_urb(cardp->rx_urb); | |
158 | cardp->rx_urb = NULL; | |
159 | ||
eae86bf3 DW |
160 | kfree(cardp->ep_out_buf); |
161 | cardp->ep_out_buf = NULL; | |
876c9d3a | 162 | |
9012b28a | 163 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
164 | } |
165 | ||
4694961c | 166 | static void if_usb_setup_firmware(struct lbs_private *priv) |
04c80f1a | 167 | { |
4365929d | 168 | struct if_usb_card *cardp = priv->card; |
04c80f1a | 169 | struct cmd_ds_set_boot2_ver b2_cmd; |
4694961c | 170 | struct cmd_ds_802_11_fw_wake_method wake_method; |
04c80f1a | 171 | |
9fae899c | 172 | b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd)); |
04c80f1a | 173 | b2_cmd.action = 0; |
4365929d | 174 | b2_cmd.version = cardp->boot2_version; |
04c80f1a | 175 | |
b23b2061 | 176 | if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd)) |
04c80f1a | 177 | lbs_deb_usb("Setting boot2 version failed\n"); |
4694961c DW |
178 | |
179 | priv->wol_gpio = 2; /* Wake via GPIO2... */ | |
180 | priv->wol_gap = 20; /* ... after 20ms */ | |
582c1b53 AN |
181 | lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA, |
182 | (struct wol_config *) NULL); | |
4694961c DW |
183 | |
184 | wake_method.hdr.size = cpu_to_le16(sizeof(wake_method)); | |
185 | wake_method.action = cpu_to_le16(CMD_ACT_GET); | |
186 | if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) { | |
187 | lbs_pr_info("Firmware does not seem to support PS mode\n"); | |
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"); | |
191 | priv->ps_supported = 1; | |
192 | } else { | |
193 | /* The versions which boot up this way don't seem to | |
194 | work even if we set it to the command interrupt */ | |
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; |
b77ec4ca DW |
306 | #ifdef CONFIG_OLPC |
307 | if (machine_is_olpc()) | |
308 | priv->reset_card = if_usb_reset_olpc_card; | |
309 | #endif | |
310 | ||
4365929d | 311 | cardp->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 312 | |
954ee164 | 313 | if_usb_submit_rx_urb(cardp); |
954ee164 | 314 | |
10078321 | 315 | if (lbs_start_card(priv)) |
954ee164 | 316 | goto err_start_card; |
32a74b7c | 317 | |
4694961c | 318 | if_usb_setup_firmware(priv); |
d1f7a5b8 | 319 | |
876c9d3a | 320 | usb_get_dev(udev); |
435a1acb | 321 | usb_set_intfdata(intf, cardp); |
876c9d3a | 322 | |
1ff41eb0 BC |
323 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_fw)) |
324 | lbs_pr_err("cannot register lbs_flash_fw attribute\n"); | |
325 | ||
326 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2)) | |
327 | lbs_pr_err("cannot register lbs_flash_boot2 attribute\n"); | |
328 | ||
876c9d3a MT |
329 | return 0; |
330 | ||
954ee164 | 331 | err_start_card: |
10078321 | 332 | lbs_remove_card(priv); |
954ee164 DW |
333 | err_prog_firmware: |
334 | if_usb_reset_device(cardp); | |
876c9d3a | 335 | dealloc: |
435a1acb | 336 | if_usb_free(cardp); |
876c9d3a MT |
337 | |
338 | error: | |
339 | return -ENOMEM; | |
340 | } | |
341 | ||
342 | /** | |
343 | * @brief free resource and cleanup | |
435a1acb | 344 | * @param intf USB interface structure |
876c9d3a MT |
345 | * @return N/A |
346 | */ | |
347 | static void if_usb_disconnect(struct usb_interface *intf) | |
348 | { | |
eae86bf3 | 349 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 350 | struct lbs_private *priv = (struct lbs_private *) cardp->priv; |
876c9d3a | 351 | |
954ee164 | 352 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 353 | |
1ff41eb0 BC |
354 | device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2); |
355 | device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_fw); | |
356 | ||
954ee164 | 357 | cardp->surprise_removed = 1; |
876c9d3a | 358 | |
954ee164 | 359 | if (priv) { |
aa21c004 | 360 | priv->surpriseremoved = 1; |
10078321 | 361 | lbs_stop_card(priv); |
10078321 | 362 | lbs_remove_card(priv); |
954ee164 | 363 | } |
876c9d3a MT |
364 | |
365 | /* Unlink and free urb */ | |
366 | if_usb_free(cardp); | |
367 | ||
368 | usb_set_intfdata(intf, NULL); | |
369 | usb_put_dev(interface_to_usbdev(intf)); | |
370 | ||
954ee164 | 371 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
372 | } |
373 | ||
374 | /** | |
375 | * @brief This function download FW | |
69f9032d | 376 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
377 | * @return 0 |
378 | */ | |
eae86bf3 | 379 | static int if_usb_send_fw_pkt(struct if_usb_card *cardp) |
876c9d3a | 380 | { |
eae86bf3 | 381 | struct fwdata *fwdata = cardp->ep_out_buf; |
6dfff895 | 382 | const uint8_t *firmware = cardp->fw->data; |
876c9d3a | 383 | |
eae86bf3 DW |
384 | /* If we got a CRC failure on the last block, back |
385 | up and retry it */ | |
876c9d3a MT |
386 | if (!cardp->CRC_OK) { |
387 | cardp->totalbytes = cardp->fwlastblksent; | |
eae86bf3 | 388 | cardp->fwseqnum--; |
876c9d3a MT |
389 | } |
390 | ||
eae86bf3 DW |
391 | lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n", |
392 | cardp->totalbytes); | |
876c9d3a | 393 | |
eae86bf3 DW |
394 | /* struct fwdata (which we sent to the card) has an |
395 | extra __le32 field in between the header and the data, | |
396 | which is not in the struct fwheader in the actual | |
397 | firmware binary. Insert the seqnum in the middle... */ | |
398 | memcpy(&fwdata->hdr, &firmware[cardp->totalbytes], | |
876c9d3a MT |
399 | sizeof(struct fwheader)); |
400 | ||
401 | cardp->fwlastblksent = cardp->totalbytes; | |
402 | cardp->totalbytes += sizeof(struct fwheader); | |
403 | ||
876c9d3a | 404 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
eae86bf3 | 405 | le32_to_cpu(fwdata->hdr.datalength)); |
876c9d3a | 406 | |
eae86bf3 DW |
407 | lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n", |
408 | le32_to_cpu(fwdata->hdr.datalength)); | |
876c9d3a | 409 | |
eae86bf3 DW |
410 | fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum); |
411 | cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength); | |
876c9d3a | 412 | |
eae86bf3 DW |
413 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) + |
414 | le32_to_cpu(fwdata->hdr.datalength)); | |
415 | ||
416 | if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { | |
417 | lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n"); | |
418 | lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n", | |
419 | cardp->fwseqnum, cardp->totalbytes); | |
420 | } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { | |
421 | lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n"); | |
422 | lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n"); | |
876c9d3a | 423 | |
876c9d3a MT |
424 | cardp->fwfinalblk = 1; |
425 | } | |
426 | ||
eae86bf3 DW |
427 | lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n", |
428 | cardp->totalbytes); | |
876c9d3a MT |
429 | |
430 | return 0; | |
431 | } | |
432 | ||
eae86bf3 | 433 | static int if_usb_reset_device(struct if_usb_card *cardp) |
876c9d3a | 434 | { |
eae86bf3 | 435 | struct cmd_ds_command *cmd = cardp->ep_out_buf + 4; |
876c9d3a | 436 | int ret; |
876c9d3a | 437 | |
3874d0fe HS |
438 | lbs_deb_enter(LBS_DEB_USB); |
439 | ||
eae86bf3 | 440 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
6d35fdfc DW |
441 | |
442 | cmd->command = cpu_to_le16(CMD_802_11_RESET); | |
f8e77cae | 443 | cmd->size = cpu_to_le16(sizeof(struct cmd_header)); |
6d35fdfc DW |
444 | cmd->result = cpu_to_le16(0); |
445 | cmd->seqnum = cpu_to_le16(0x5a5a); | |
f8e77cae | 446 | usb_tx_block(cardp, cardp->ep_out_buf, 4 + sizeof(struct cmd_header)); |
6d35fdfc | 447 | |
c8ba39d0 | 448 | msleep(100); |
876c9d3a | 449 | ret = usb_reset_device(cardp->udev); |
c8ba39d0 | 450 | msleep(100); |
3874d0fe | 451 | |
b77ec4ca DW |
452 | #ifdef CONFIG_OLPC |
453 | if (ret && machine_is_olpc()) | |
454 | if_usb_reset_olpc_card(NULL); | |
455 | #endif | |
456 | ||
3874d0fe HS |
457 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
458 | ||
876c9d3a MT |
459 | return ret; |
460 | } | |
461 | ||
462 | /** | |
463 | * @brief This function transfer the data to the device. | |
69f9032d | 464 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
465 | * @param payload pointer to payload data |
466 | * @param nb data length | |
467 | * @return 0 or -1 | |
468 | */ | |
eae86bf3 | 469 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb) |
876c9d3a | 470 | { |
876c9d3a MT |
471 | int ret = -1; |
472 | ||
473 | /* check if device is removed */ | |
954ee164 | 474 | if (cardp->surprise_removed) { |
9012b28a | 475 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
476 | goto tx_ret; |
477 | } | |
478 | ||
479 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
480 | usb_sndbulkpipe(cardp->udev, | |
eae86bf3 | 481 | cardp->ep_out), |
954ee164 | 482 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
483 | |
484 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
485 | ||
486 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
0856e681 | 487 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
876c9d3a MT |
488 | ret = -1; |
489 | } else { | |
eae86bf3 | 490 | lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n"); |
876c9d3a MT |
491 | ret = 0; |
492 | } | |
493 | ||
494 | tx_ret: | |
495 | return ret; | |
496 | } | |
497 | ||
eae86bf3 | 498 | static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, |
954ee164 | 499 | void (*callbackfn)(struct urb *urb)) |
876c9d3a | 500 | { |
876c9d3a | 501 | struct sk_buff *skb; |
876c9d3a MT |
502 | int ret = -1; |
503 | ||
504 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
505 | lbs_pr_err("No free skb\n"); | |
506 | goto rx_ret; | |
507 | } | |
508 | ||
eae86bf3 | 509 | cardp->rx_skb = skb; |
876c9d3a MT |
510 | |
511 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
512 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
eae86bf3 | 513 | usb_rcvbulkpipe(cardp->udev, cardp->ep_in), |
4269e2ad | 514 | (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), |
876c9d3a | 515 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
eae86bf3 | 516 | cardp); |
876c9d3a MT |
517 | |
518 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
519 | ||
eae86bf3 | 520 | lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); |
876c9d3a | 521 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
0856e681 | 522 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
77d8cf2c | 523 | kfree_skb(skb); |
eae86bf3 | 524 | cardp->rx_skb = NULL; |
876c9d3a MT |
525 | ret = -1; |
526 | } else { | |
eae86bf3 | 527 | lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n"); |
876c9d3a MT |
528 | ret = 0; |
529 | } | |
530 | ||
531 | rx_ret: | |
532 | return ret; | |
533 | } | |
534 | ||
eae86bf3 | 535 | static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp) |
876c9d3a | 536 | { |
954ee164 | 537 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
538 | } |
539 | ||
eae86bf3 | 540 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp) |
876c9d3a | 541 | { |
954ee164 | 542 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
543 | } |
544 | ||
545 | static void if_usb_receive_fwload(struct urb *urb) | |
546 | { | |
eae86bf3 DW |
547 | struct if_usb_card *cardp = urb->context; |
548 | struct sk_buff *skb = cardp->rx_skb; | |
876c9d3a | 549 | struct fwsyncheader *syncfwheader; |
eae86bf3 | 550 | struct bootcmdresp bootcmdresp; |
876c9d3a MT |
551 | |
552 | if (urb->status) { | |
9012b28a | 553 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 554 | "URB status is failed during fw load\n"); |
876c9d3a MT |
555 | kfree_skb(skb); |
556 | return; | |
557 | } | |
558 | ||
c9cd6f9d DW |
559 | if (cardp->fwdnldover) { |
560 | __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
561 | ||
562 | if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && | |
563 | tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { | |
564 | lbs_pr_info("Firmware ready event received\n"); | |
565 | wake_up(&cardp->fw_wq); | |
566 | } else { | |
eae86bf3 DW |
567 | lbs_deb_usb("Waiting for confirmation; got %x %x\n", |
568 | le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1])); | |
c9cd6f9d DW |
569 | if_usb_submit_rx_urb_fwload(cardp); |
570 | } | |
571 | kfree_skb(skb); | |
572 | return; | |
573 | } | |
c8ba39d0 | 574 | if (cardp->bootcmdresp <= 0) { |
876c9d3a MT |
575 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, |
576 | sizeof(bootcmdresp)); | |
eae86bf3 | 577 | |
981f187b | 578 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 579 | kfree_skb(skb); |
954ee164 | 580 | if_usb_submit_rx_urb_fwload(cardp); |
1556c0f2 | 581 | cardp->bootcmdresp = BOOT_CMD_RESP_OK; |
9012b28a | 582 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 583 | "Received valid boot command response\n"); |
876c9d3a MT |
584 | return; |
585 | } | |
eae86bf3 DW |
586 | if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
587 | if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) || | |
588 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) || | |
589 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) { | |
c9cd6f9d DW |
590 | if (!cardp->bootcmdresp) |
591 | lbs_pr_info("Firmware already seems alive; resetting\n"); | |
6d35fdfc DW |
592 | cardp->bootcmdresp = -1; |
593 | } else { | |
594 | lbs_pr_info("boot cmd response wrong magic number (0x%x)\n", | |
eae86bf3 | 595 | le32_to_cpu(bootcmdresp.magic)); |
6d35fdfc | 596 | } |
1556c0f2 BC |
597 | } else if ((bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) && |
598 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_FW) && | |
599 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_BOOT2)) { | |
eae86bf3 DW |
600 | lbs_pr_info("boot cmd response cmd_tag error (%d)\n", |
601 | bootcmdresp.cmd); | |
602 | } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) { | |
603 | lbs_pr_info("boot cmd response result error (%d)\n", | |
604 | bootcmdresp.result); | |
876c9d3a MT |
605 | } else { |
606 | cardp->bootcmdresp = 1; | |
9012b28a | 607 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 608 | "Received valid boot command response\n"); |
876c9d3a MT |
609 | } |
610 | kfree_skb(skb); | |
954ee164 | 611 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
612 | return; |
613 | } | |
614 | ||
615 | syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC); | |
616 | if (!syncfwheader) { | |
9012b28a | 617 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
618 | kfree_skb(skb); |
619 | return; | |
620 | } | |
621 | ||
622 | memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET, | |
eae86bf3 | 623 | sizeof(struct fwsyncheader)); |
876c9d3a MT |
624 | |
625 | if (!syncfwheader->cmd) { | |
eae86bf3 DW |
626 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n"); |
627 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n", | |
628 | le32_to_cpu(syncfwheader->seqnum)); | |
876c9d3a MT |
629 | cardp->CRC_OK = 1; |
630 | } else { | |
eae86bf3 | 631 | lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n"); |
876c9d3a MT |
632 | cardp->CRC_OK = 0; |
633 | } | |
634 | ||
635 | kfree_skb(skb); | |
636 | ||
1556c0f2 BC |
637 | /* Give device 5s to either write firmware to its RAM or eeprom */ |
638 | mod_timer(&cardp->fw_timeout, jiffies + (HZ*5)); | |
4f82f5c8 | 639 | |
876c9d3a MT |
640 | if (cardp->fwfinalblk) { |
641 | cardp->fwdnldover = 1; | |
642 | goto exit; | |
643 | } | |
644 | ||
4f82f5c8 | 645 | if_usb_send_fw_pkt(cardp); |
876c9d3a | 646 | |
4f82f5c8 | 647 | exit: |
c9cd6f9d DW |
648 | if_usb_submit_rx_urb_fwload(cardp); |
649 | ||
876c9d3a MT |
650 | kfree(syncfwheader); |
651 | ||
652 | return; | |
876c9d3a MT |
653 | } |
654 | ||
655 | #define MRVDRV_MIN_PKT_LEN 30 | |
656 | ||
657 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
eae86bf3 | 658 | struct if_usb_card *cardp, |
69f9032d | 659 | struct lbs_private *priv) |
876c9d3a | 660 | { |
eae86bf3 DW |
661 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN |
662 | || recvlength < MRVDRV_MIN_PKT_LEN) { | |
663 | lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n"); | |
876c9d3a MT |
664 | kfree_skb(skb); |
665 | return; | |
666 | } | |
667 | ||
668 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
669 | skb_put(skb, recvlength); | |
670 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
eae86bf3 | 671 | |
10078321 | 672 | lbs_process_rxed_packet(priv, skb); |
876c9d3a MT |
673 | } |
674 | ||
eae86bf3 | 675 | static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, |
876c9d3a | 676 | struct sk_buff *skb, |
eae86bf3 | 677 | struct if_usb_card *cardp, |
69f9032d | 678 | struct lbs_private *priv) |
876c9d3a | 679 | { |
7919b89c HS |
680 | u8 i; |
681 | ||
ddac4526 | 682 | if (recvlength > LBS_CMD_BUFFER_SIZE) { |
9012b28a | 683 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 684 | "The receive buffer is too large\n"); |
876c9d3a MT |
685 | kfree_skb(skb); |
686 | return; | |
687 | } | |
688 | ||
689 | if (!in_interrupt()) | |
690 | BUG(); | |
691 | ||
aa21c004 | 692 | spin_lock(&priv->driver_lock); |
876c9d3a | 693 | |
7919b89c HS |
694 | i = (priv->resp_idx == 0) ? 1 : 0; |
695 | BUG_ON(priv->resp_len[i]); | |
696 | priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN); | |
697 | memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN, | |
698 | priv->resp_len[i]); | |
876c9d3a | 699 | kfree_skb(skb); |
7919b89c HS |
700 | lbs_notify_command_response(priv, i); |
701 | ||
aa21c004 | 702 | spin_unlock(&priv->driver_lock); |
876c9d3a | 703 | |
9012b28a | 704 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 705 | "Wake up main thread to handle cmd response\n"); |
876c9d3a MT |
706 | } |
707 | ||
708 | /** | |
709 | * @brief This function reads of the packet into the upload buff, | |
710 | * wake up the main thread and initialise the Rx callack. | |
711 | * | |
712 | * @param urb pointer to struct urb | |
713 | * @return N/A | |
714 | */ | |
715 | static void if_usb_receive(struct urb *urb) | |
716 | { | |
eae86bf3 DW |
717 | struct if_usb_card *cardp = urb->context; |
718 | struct sk_buff *skb = cardp->rx_skb; | |
69f9032d | 719 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 720 | int recvlength = urb->actual_length; |
eae86bf3 DW |
721 | uint8_t *recvbuff = NULL; |
722 | uint32_t recvtype = 0; | |
723 | __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
7919b89c | 724 | uint32_t event; |
876c9d3a | 725 | |
9012b28a | 726 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
727 | |
728 | if (recvlength) { | |
729 | if (urb->status) { | |
eae86bf3 DW |
730 | lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n", |
731 | urb->status); | |
876c9d3a MT |
732 | kfree_skb(skb); |
733 | goto setup_for_next; | |
734 | } | |
735 | ||
736 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
eae86bf3 | 737 | recvtype = le32_to_cpu(pkt[0]); |
9012b28a | 738 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
739 | "Recv length = 0x%x, Recv type = 0x%X\n", |
740 | recvlength, recvtype); | |
77d8cf2c DW |
741 | } else if (urb->status) { |
742 | kfree_skb(skb); | |
876c9d3a | 743 | goto rx_exit; |
77d8cf2c | 744 | } |
876c9d3a | 745 | |
876c9d3a MT |
746 | switch (recvtype) { |
747 | case CMD_TYPE_DATA: | |
748 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
749 | break; | |
750 | ||
751 | case CMD_TYPE_REQUEST: | |
752 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
753 | break; | |
754 | ||
755 | case CMD_TYPE_INDICATION: | |
7919b89c HS |
756 | /* Event handling */ |
757 | event = le32_to_cpu(pkt[1]); | |
758 | lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event); | |
759 | kfree_skb(skb); | |
eae86bf3 | 760 | |
7919b89c HS |
761 | /* Icky undocumented magic special case */ |
762 | if (event & 0xffff0000) { | |
763 | u32 trycount = (event & 0xffff0000) >> 16; | |
eae86bf3 | 764 | |
7919b89c HS |
765 | lbs_send_tx_feedback(priv, trycount); |
766 | } else | |
767 | lbs_queue_event(priv, event & 0xFF); | |
768 | break; | |
eae86bf3 | 769 | |
876c9d3a | 770 | default: |
8362cd41 | 771 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
eae86bf3 | 772 | recvtype); |
876c9d3a MT |
773 | kfree_skb(skb); |
774 | break; | |
775 | } | |
776 | ||
777 | setup_for_next: | |
954ee164 | 778 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 779 | rx_exit: |
9012b28a | 780 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
781 | } |
782 | ||
783 | /** | |
784 | * @brief This function downloads data to FW | |
69f9032d | 785 | * @param priv pointer to struct lbs_private structure |
876c9d3a MT |
786 | * @param type type of data |
787 | * @param buf pointer to data buffer | |
788 | * @param len number of bytes | |
789 | * @return 0 or -1 | |
790 | */ | |
eae86bf3 DW |
791 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
792 | uint8_t *payload, uint16_t nb) | |
876c9d3a | 793 | { |
eae86bf3 | 794 | struct if_usb_card *cardp = priv->card; |
876c9d3a | 795 | |
9012b28a HS |
796 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
797 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
798 | |
799 | if (type == MVMS_CMD) { | |
eae86bf3 | 800 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 801 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a | 802 | } else { |
eae86bf3 | 803 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 804 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
805 | } |
806 | ||
eae86bf3 | 807 | memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb); |
876c9d3a | 808 | |
eae86bf3 | 809 | return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
810 | } |
811 | ||
9e22cb67 DW |
812 | /** |
813 | * @brief This function issues Boot command to the Boot2 code | |
814 | * @param ivalue 1:Boot from FW by USB-Download | |
815 | * 2:Boot from FW in EEPROM | |
816 | * @return 0 | |
817 | */ | |
eae86bf3 | 818 | static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue) |
9e22cb67 | 819 | { |
eae86bf3 | 820 | struct bootcmd *bootcmd = cardp->ep_out_buf; |
9e22cb67 DW |
821 | |
822 | /* Prepare command */ | |
eae86bf3 DW |
823 | bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); |
824 | bootcmd->cmd = ivalue; | |
825 | memset(bootcmd->pad, 0, sizeof(bootcmd->pad)); | |
9e22cb67 DW |
826 | |
827 | /* Issue command */ | |
eae86bf3 | 828 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd)); |
9e22cb67 DW |
829 | |
830 | return 0; | |
831 | } | |
876c9d3a MT |
832 | |
833 | ||
954ee164 DW |
834 | /** |
835 | * @brief This function checks the validity of Boot2/FW image. | |
836 | * | |
837 | * @param data pointer to image | |
838 | * len image length | |
839 | * @return 0 or -1 | |
840 | */ | |
6dfff895 | 841 | static int check_fwfile_format(const uint8_t *data, uint32_t totlen) |
954ee164 | 842 | { |
eae86bf3 DW |
843 | uint32_t bincmd, exit; |
844 | uint32_t blksize, offset, len; | |
954ee164 DW |
845 | int ret; |
846 | ||
847 | ret = 1; | |
848 | exit = len = 0; | |
849 | ||
850 | do { | |
851 | struct fwheader *fwh = (void *)data; | |
852 | ||
853 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
854 | blksize = le32_to_cpu(fwh->datalength); | |
855 | switch (bincmd) { | |
856 | case FW_HAS_DATA_TO_RECV: | |
857 | offset = sizeof(struct fwheader) + blksize; | |
858 | data += offset; | |
859 | len += offset; | |
860 | if (len >= totlen) | |
861 | exit = 1; | |
862 | break; | |
863 | case FW_HAS_LAST_BLOCK: | |
864 | exit = 1; | |
865 | ret = 0; | |
866 | break; | |
867 | default: | |
868 | exit = 1; | |
869 | break; | |
870 | } | |
871 | } while (!exit); | |
872 | ||
873 | if (ret) | |
874 | lbs_pr_err("firmware file format check FAIL\n"); | |
875 | else | |
876 | lbs_deb_fw("firmware file format check PASS\n"); | |
877 | ||
878 | return ret; | |
879 | } | |
880 | ||
881 | ||
1556c0f2 BC |
882 | /** |
883 | * @brief This function programs the firmware subject to cmd | |
884 | * | |
885 | * @param cardp the if_usb_card descriptor | |
886 | * fwname firmware or boot2 image file name | |
887 | * cmd either BOOT_CMD_FW_BY_USB, BOOT_CMD_UPDATE_FW, | |
888 | * or BOOT_CMD_UPDATE_BOOT2. | |
889 | * @return 0 or error code | |
890 | */ | |
891 | static int if_usb_prog_firmware(struct if_usb_card *cardp, | |
892 | const char *fwname, int cmd) | |
893 | { | |
894 | struct lbs_private *priv = cardp->priv; | |
895 | unsigned long flags, caps; | |
896 | int ret; | |
897 | ||
898 | caps = priv->fwcapinfo; | |
899 | if (((cmd == BOOT_CMD_UPDATE_FW) && !(caps & FW_CAPINFO_FIRMWARE_UPGRADE)) || | |
900 | ((cmd == BOOT_CMD_UPDATE_BOOT2) && !(caps & FW_CAPINFO_BOOT2_UPGRADE))) | |
901 | return -EOPNOTSUPP; | |
902 | ||
903 | /* Ensure main thread is idle. */ | |
904 | spin_lock_irqsave(&priv->driver_lock, flags); | |
905 | while (priv->cur_cmd != NULL || priv->dnld_sent != DNLD_RES_RECEIVED) { | |
906 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
907 | if (wait_event_interruptible(priv->waitq, | |
908 | (priv->cur_cmd == NULL && | |
909 | priv->dnld_sent == DNLD_RES_RECEIVED))) { | |
910 | return -ERESTARTSYS; | |
911 | } | |
912 | spin_lock_irqsave(&priv->driver_lock, flags); | |
913 | } | |
914 | priv->dnld_sent = DNLD_BOOTCMD_SENT; | |
915 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
916 | ||
917 | ret = __if_usb_prog_firmware(cardp, fwname, cmd); | |
918 | ||
919 | spin_lock_irqsave(&priv->driver_lock, flags); | |
920 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
921 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
922 | ||
923 | wake_up_interruptible(&priv->waitq); | |
924 | ||
925 | return ret; | |
926 | } | |
927 | ||
928 | static int __if_usb_prog_firmware(struct if_usb_card *cardp, | |
929 | const char *fwname, int cmd) | |
876c9d3a | 930 | { |
876c9d3a MT |
931 | int i = 0; |
932 | static int reset_count = 10; | |
9012b28a | 933 | int ret = 0; |
876c9d3a | 934 | |
9012b28a | 935 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 936 | |
1556c0f2 BC |
937 | ret = request_firmware(&cardp->fw, fwname, &cardp->udev->dev); |
938 | if (ret < 0) { | |
954ee164 | 939 | lbs_pr_err("request_firmware() failed with %#x\n", ret); |
1556c0f2 | 940 | lbs_pr_err("firmware %s not found\n", fwname); |
954ee164 DW |
941 | goto done; |
942 | } | |
943 | ||
1556c0f2 BC |
944 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) { |
945 | ret = -EINVAL; | |
954ee164 | 946 | goto release_fw; |
1556c0f2 BC |
947 | } |
948 | ||
949 | /* Cancel any pending usb business */ | |
950 | usb_kill_urb(cardp->rx_urb); | |
951 | usb_kill_urb(cardp->tx_urb); | |
952 | ||
953 | cardp->fwlastblksent = 0; | |
954 | cardp->fwdnldover = 0; | |
955 | cardp->totalbytes = 0; | |
956 | cardp->fwfinalblk = 0; | |
957 | cardp->bootcmdresp = 0; | |
876c9d3a MT |
958 | |
959 | restart: | |
954ee164 | 960 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a | 961 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
1556c0f2 | 962 | ret = -EIO; |
954ee164 | 963 | goto release_fw; |
876c9d3a MT |
964 | } |
965 | ||
876c9d3a MT |
966 | cardp->bootcmdresp = 0; |
967 | do { | |
968 | int j = 0; | |
969 | i++; | |
1556c0f2 | 970 | if_usb_issue_boot_command(cardp, cmd); |
876c9d3a MT |
971 | /* wait for command response */ |
972 | do { | |
973 | j++; | |
974 | msleep_interruptible(100); | |
975 | } while (cardp->bootcmdresp == 0 && j < 10); | |
976 | } while (cardp->bootcmdresp == 0 && i < 5); | |
977 | ||
1556c0f2 BC |
978 | if (cardp->bootcmdresp == BOOT_CMD_RESP_NOT_SUPPORTED) { |
979 | /* Return to normal operation */ | |
980 | ret = -EOPNOTSUPP; | |
981 | usb_kill_urb(cardp->rx_urb); | |
982 | usb_kill_urb(cardp->tx_urb); | |
983 | if (if_usb_submit_rx_urb(cardp) < 0) | |
984 | ret = -EIO; | |
985 | goto release_fw; | |
986 | } else if (cardp->bootcmdresp <= 0) { | |
876c9d3a | 987 | if (--reset_count >= 0) { |
954ee164 | 988 | if_usb_reset_device(cardp); |
876c9d3a MT |
989 | goto restart; |
990 | } | |
1556c0f2 BC |
991 | ret = -EIO; |
992 | goto release_fw; | |
876c9d3a | 993 | } |
876c9d3a MT |
994 | |
995 | i = 0; | |
876c9d3a MT |
996 | |
997 | cardp->totalbytes = 0; | |
998 | cardp->fwlastblksent = 0; | |
999 | cardp->CRC_OK = 1; | |
1000 | cardp->fwdnldover = 0; | |
1001 | cardp->fwseqnum = -1; | |
1002 | cardp->totalbytes = 0; | |
1003 | cardp->fwfinalblk = 0; | |
1004 | ||
4f82f5c8 DW |
1005 | /* Send the first firmware packet... */ |
1006 | if_usb_send_fw_pkt(cardp); | |
876c9d3a | 1007 | |
4f82f5c8 DW |
1008 | /* ... and wait for the process to complete */ |
1009 | wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); | |
7e226272 | 1010 | |
4f82f5c8 | 1011 | del_timer_sync(&cardp->fw_timeout); |
c9cd6f9d | 1012 | usb_kill_urb(cardp->rx_urb); |
876c9d3a MT |
1013 | |
1014 | if (!cardp->fwdnldover) { | |
1015 | lbs_pr_info("failed to load fw, resetting device!\n"); | |
1016 | if (--reset_count >= 0) { | |
954ee164 | 1017 | if_usb_reset_device(cardp); |
876c9d3a MT |
1018 | goto restart; |
1019 | } | |
1020 | ||
1021 | lbs_pr_info("FW download failure, time = %d ms\n", i * 100); | |
1556c0f2 | 1022 | ret = -EIO; |
954ee164 | 1023 | goto release_fw; |
876c9d3a MT |
1024 | } |
1025 | ||
eae86bf3 | 1026 | release_fw: |
954ee164 DW |
1027 | release_firmware(cardp->fw); |
1028 | cardp->fw = NULL; | |
876c9d3a | 1029 | |
eae86bf3 | 1030 | done: |
9012b28a HS |
1031 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
1032 | return ret; | |
876c9d3a MT |
1033 | } |
1034 | ||
1df4e8fe | 1035 | |
876c9d3a MT |
1036 | #ifdef CONFIG_PM |
1037 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
1038 | { | |
eae86bf3 | 1039 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 1040 | struct lbs_private *priv = cardp->priv; |
d1f7a5b8 | 1041 | int ret; |
876c9d3a | 1042 | |
9012b28a | 1043 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 1044 | |
aa21c004 | 1045 | if (priv->psstate != PS_STATE_FULL_POWER) |
876c9d3a MT |
1046 | return -1; |
1047 | ||
d1f7a5b8 DW |
1048 | ret = lbs_suspend(priv); |
1049 | if (ret) | |
1050 | goto out; | |
876c9d3a MT |
1051 | |
1052 | /* Unlink tx & rx urb */ | |
1053 | usb_kill_urb(cardp->tx_urb); | |
1054 | usb_kill_urb(cardp->rx_urb); | |
1055 | ||
d1f7a5b8 | 1056 | out: |
9012b28a | 1057 | lbs_deb_leave(LBS_DEB_USB); |
d1f7a5b8 | 1058 | return ret; |
876c9d3a MT |
1059 | } |
1060 | ||
1061 | static int if_usb_resume(struct usb_interface *intf) | |
1062 | { | |
eae86bf3 | 1063 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 1064 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 1065 | |
9012b28a | 1066 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 1067 | |
6bc822b5 | 1068 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 1069 | |
d1f7a5b8 | 1070 | lbs_resume(priv); |
876c9d3a | 1071 | |
9012b28a | 1072 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1073 | return 0; |
1074 | } | |
1075 | #else | |
1076 | #define if_usb_suspend NULL | |
1077 | #define if_usb_resume NULL | |
1078 | #endif | |
1079 | ||
1080 | static struct usb_driver if_usb_driver = { | |
798fbfec | 1081 | .name = DRV_NAME, |
876c9d3a | 1082 | .probe = if_usb_probe, |
876c9d3a | 1083 | .disconnect = if_usb_disconnect, |
876c9d3a MT |
1084 | .id_table = if_usb_table, |
1085 | .suspend = if_usb_suspend, | |
1086 | .resume = if_usb_resume, | |
7b58ccfe | 1087 | .reset_resume = if_usb_resume, |
876c9d3a MT |
1088 | }; |
1089 | ||
4fb910fd | 1090 | static int __init if_usb_init_module(void) |
876c9d3a | 1091 | { |
084708b6 | 1092 | int ret = 0; |
876c9d3a | 1093 | |
084708b6 HS |
1094 | lbs_deb_enter(LBS_DEB_MAIN); |
1095 | ||
084708b6 HS |
1096 | ret = usb_register(&if_usb_driver); |
1097 | ||
1098 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1099 | return ret; | |
876c9d3a MT |
1100 | } |
1101 | ||
4fb910fd | 1102 | static void __exit if_usb_exit_module(void) |
876c9d3a | 1103 | { |
084708b6 HS |
1104 | lbs_deb_enter(LBS_DEB_MAIN); |
1105 | ||
876c9d3a | 1106 | usb_deregister(&if_usb_driver); |
084708b6 HS |
1107 | |
1108 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 1109 | } |
084708b6 HS |
1110 | |
1111 | module_init(if_usb_init_module); | |
1112 | module_exit(if_usb_exit_module); | |
1113 | ||
1114 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
eae86bf3 | 1115 | MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc."); |
084708b6 | 1116 | MODULE_LICENSE("GPL"); |