Commit | Line | Data |
---|---|---|
876c9d3a MT |
1 | /** |
2 | * This file contains functions used in USB interface module. | |
3 | */ | |
4 | #include <linux/delay.h> | |
084708b6 | 5 | #include <linux/moduleparam.h> |
876c9d3a MT |
6 | #include <linux/firmware.h> |
7 | #include <linux/netdevice.h> | |
8 | #include <linux/usb.h> | |
9 | ||
b77ec4ca DW |
10 | #ifdef CONFIG_OLPC |
11 | #include <asm/olpc.h> | |
12 | #endif | |
13 | ||
ec3eef28 HS |
14 | #define DRV_NAME "usb8xxx" |
15 | ||
876c9d3a | 16 | #include "host.h" |
876c9d3a MT |
17 | #include "decl.h" |
18 | #include "defs.h" | |
19 | #include "dev.h" | |
14e865ba | 20 | #include "cmd.h" |
876c9d3a MT |
21 | #include "if_usb.h" |
22 | ||
eae86bf3 DW |
23 | #define INSANEDEBUG 0 |
24 | #define lbs_deb_usb2(...) do { if (INSANEDEBUG) lbs_deb_usbd(__VA_ARGS__); } while (0) | |
25 | ||
876c9d3a MT |
26 | #define MESSAGE_HEADER_LEN 4 |
27 | ||
82209adc | 28 | static char *lbs_fw_name = "usb8388.bin"; |
10078321 | 29 | module_param_named(fw_name, lbs_fw_name, charp, 0644); |
084708b6 | 30 | |
876c9d3a MT |
31 | static struct usb_device_id if_usb_table[] = { |
32 | /* Enter the device signature inside */ | |
66fcc559 HS |
33 | { USB_DEVICE(0x1286, 0x2001) }, |
34 | { USB_DEVICE(0x05a3, 0x8388) }, | |
876c9d3a MT |
35 | {} /* Terminating entry */ |
36 | }; | |
37 | ||
38 | MODULE_DEVICE_TABLE(usb, if_usb_table); | |
39 | ||
40 | static void if_usb_receive(struct urb *urb); | |
41 | static void if_usb_receive_fwload(struct urb *urb); | |
1556c0f2 BC |
42 | static int __if_usb_prog_firmware(struct if_usb_card *cardp, |
43 | const char *fwname, int cmd); | |
44 | static int if_usb_prog_firmware(struct if_usb_card *cardp, | |
45 | const char *fwname, int cmd); | |
eae86bf3 DW |
46 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
47 | uint8_t *payload, uint16_t nb); | |
eae86bf3 DW |
48 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, |
49 | uint16_t nb); | |
50 | static void if_usb_free(struct if_usb_card *cardp); | |
51 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp); | |
52 | static int if_usb_reset_device(struct if_usb_card *cardp); | |
876c9d3a | 53 | |
1ff41eb0 BC |
54 | /* sysfs hooks */ |
55 | ||
56 | /** | |
57 | * Set function to write firmware to device's persistent memory | |
58 | */ | |
59 | static ssize_t if_usb_firmware_set(struct device *dev, | |
60 | struct device_attribute *attr, const char *buf, size_t count) | |
61 | { | |
62 | struct lbs_private *priv = to_net_dev(dev)->priv; | |
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 | { | |
89 | struct lbs_private *priv = to_net_dev(dev)->priv; | |
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 */ | |
181 | lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA); | |
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"); | |
187 | } else { | |
188 | if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) { | |
189 | lbs_deb_usb("Firmware seems to support PS with wake-via-command\n"); | |
190 | priv->ps_supported = 1; | |
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 */ | |
194 | lbs_pr_info("Firmware doesn't wake via command interrupt; disabling PS mode\n"); | |
195 | } | |
196 | } | |
04c80f1a DW |
197 | } |
198 | ||
2fd6cfe3 | 199 | static void if_usb_fw_timeo(unsigned long priv) |
4f82f5c8 | 200 | { |
eae86bf3 | 201 | struct if_usb_card *cardp = (void *)priv; |
04c80f1a | 202 | |
4f82f5c8 DW |
203 | if (cardp->fwdnldover) { |
204 | lbs_deb_usb("Download complete, no event. Assuming success\n"); | |
205 | } else { | |
206 | lbs_pr_err("Download timed out\n"); | |
207 | cardp->surprise_removed = 1; | |
208 | } | |
209 | wake_up(&cardp->fw_wq); | |
210 | } | |
eae86bf3 | 211 | |
b77ec4ca DW |
212 | #ifdef CONFIG_OLPC |
213 | static void if_usb_reset_olpc_card(struct lbs_private *priv) | |
214 | { | |
215 | printk(KERN_CRIT "Resetting OLPC wireless via EC...\n"); | |
216 | olpc_ec_cmd(0x25, NULL, 0, NULL, 0); | |
217 | } | |
218 | #endif | |
219 | ||
876c9d3a MT |
220 | /** |
221 | * @brief sets the configuration values | |
222 | * @param ifnum interface number | |
223 | * @param id pointer to usb_device_id | |
224 | * @return 0 on success, error code on failure | |
225 | */ | |
226 | static int if_usb_probe(struct usb_interface *intf, | |
227 | const struct usb_device_id *id) | |
228 | { | |
229 | struct usb_device *udev; | |
230 | struct usb_host_interface *iface_desc; | |
231 | struct usb_endpoint_descriptor *endpoint; | |
69f9032d | 232 | struct lbs_private *priv; |
eae86bf3 | 233 | struct if_usb_card *cardp; |
876c9d3a MT |
234 | int i; |
235 | ||
236 | udev = interface_to_usbdev(intf); | |
237 | ||
eae86bf3 | 238 | cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL); |
435a1acb | 239 | if (!cardp) { |
876c9d3a MT |
240 | lbs_pr_err("Out of memory allocating private data.\n"); |
241 | goto error; | |
242 | } | |
243 | ||
4f82f5c8 DW |
244 | setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp); |
245 | init_waitqueue_head(&cardp->fw_wq); | |
7e226272 | 246 | |
435a1acb | 247 | cardp->udev = udev; |
876c9d3a MT |
248 | iface_desc = intf->cur_altsetting; |
249 | ||
9012b28a | 250 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
eae86bf3 | 251 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
981f187b DW |
252 | le16_to_cpu(udev->descriptor.bcdUSB), |
253 | udev->descriptor.bDeviceClass, | |
254 | udev->descriptor.bDeviceSubClass, | |
255 | udev->descriptor.bDeviceProtocol); | |
876c9d3a MT |
256 | |
257 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
258 | endpoint = &iface_desc->endpoint[i].desc; | |
eae86bf3 DW |
259 | if (usb_endpoint_is_bulk_in(endpoint)) { |
260 | cardp->ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
261 | cardp->ep_in = usb_endpoint_num(endpoint); | |
876c9d3a | 262 | |
eae86bf3 DW |
263 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in); |
264 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size); | |
876c9d3a | 265 | |
eae86bf3 DW |
266 | } else if (usb_endpoint_is_bulk_out(endpoint)) { |
267 | cardp->ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
268 | cardp->ep_out = usb_endpoint_num(endpoint); | |
269 | ||
270 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out); | |
271 | lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size); | |
876c9d3a MT |
272 | } |
273 | } | |
eae86bf3 DW |
274 | if (!cardp->ep_out_size || !cardp->ep_in_size) { |
275 | lbs_deb_usbd(&udev->dev, "Endpoints not found\n"); | |
276 | goto dealloc; | |
277 | } | |
278 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
279 | lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n"); | |
280 | goto dealloc; | |
281 | } | |
282 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
283 | lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n"); | |
284 | goto dealloc; | |
285 | } | |
286 | cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL); | |
287 | if (!cardp->ep_out_buf) { | |
288 | lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n"); | |
289 | goto dealloc; | |
290 | } | |
876c9d3a | 291 | |
954ee164 | 292 | /* Upload firmware */ |
1556c0f2 | 293 | if (__if_usb_prog_firmware(cardp, lbs_fw_name, BOOT_CMD_FW_BY_USB)) { |
23d36eec | 294 | lbs_deb_usbd(&udev->dev, "FW upload failed\n"); |
954ee164 DW |
295 | goto err_prog_firmware; |
296 | } | |
297 | ||
10078321 | 298 | if (!(priv = lbs_add_card(cardp, &udev->dev))) |
954ee164 | 299 | goto err_prog_firmware; |
3874d0fe | 300 | |
954ee164 | 301 | cardp->priv = priv; |
c9cd6f9d | 302 | cardp->priv->fw_ready = 1; |
965f8bbc | 303 | |
208fdd2f | 304 | priv->hw_host_to_card = if_usb_host_to_card; |
b77ec4ca DW |
305 | #ifdef CONFIG_OLPC |
306 | if (machine_is_olpc()) | |
307 | priv->reset_card = if_usb_reset_olpc_card; | |
308 | #endif | |
309 | ||
4365929d | 310 | cardp->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 311 | |
954ee164 | 312 | if_usb_submit_rx_urb(cardp); |
954ee164 | 313 | |
10078321 | 314 | if (lbs_start_card(priv)) |
954ee164 | 315 | goto err_start_card; |
32a74b7c | 316 | |
4694961c | 317 | if_usb_setup_firmware(priv); |
d1f7a5b8 | 318 | |
876c9d3a | 319 | usb_get_dev(udev); |
435a1acb | 320 | usb_set_intfdata(intf, cardp); |
876c9d3a | 321 | |
1ff41eb0 BC |
322 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_fw)) |
323 | lbs_pr_err("cannot register lbs_flash_fw attribute\n"); | |
324 | ||
325 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2)) | |
326 | lbs_pr_err("cannot register lbs_flash_boot2 attribute\n"); | |
327 | ||
876c9d3a MT |
328 | return 0; |
329 | ||
954ee164 | 330 | err_start_card: |
10078321 | 331 | lbs_remove_card(priv); |
954ee164 DW |
332 | err_prog_firmware: |
333 | if_usb_reset_device(cardp); | |
876c9d3a | 334 | dealloc: |
435a1acb | 335 | if_usb_free(cardp); |
876c9d3a MT |
336 | |
337 | error: | |
338 | return -ENOMEM; | |
339 | } | |
340 | ||
341 | /** | |
342 | * @brief free resource and cleanup | |
435a1acb | 343 | * @param intf USB interface structure |
876c9d3a MT |
344 | * @return N/A |
345 | */ | |
346 | static void if_usb_disconnect(struct usb_interface *intf) | |
347 | { | |
eae86bf3 | 348 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 349 | struct lbs_private *priv = (struct lbs_private *) cardp->priv; |
876c9d3a | 350 | |
954ee164 | 351 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 352 | |
1ff41eb0 BC |
353 | device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2); |
354 | device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_fw); | |
355 | ||
954ee164 | 356 | cardp->surprise_removed = 1; |
876c9d3a | 357 | |
954ee164 | 358 | if (priv) { |
aa21c004 | 359 | priv->surpriseremoved = 1; |
10078321 | 360 | lbs_stop_card(priv); |
10078321 | 361 | lbs_remove_card(priv); |
954ee164 | 362 | } |
876c9d3a MT |
363 | |
364 | /* Unlink and free urb */ | |
365 | if_usb_free(cardp); | |
366 | ||
367 | usb_set_intfdata(intf, NULL); | |
368 | usb_put_dev(interface_to_usbdev(intf)); | |
369 | ||
954ee164 | 370 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
371 | } |
372 | ||
373 | /** | |
374 | * @brief This function download FW | |
69f9032d | 375 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
376 | * @return 0 |
377 | */ | |
eae86bf3 | 378 | static int if_usb_send_fw_pkt(struct if_usb_card *cardp) |
876c9d3a | 379 | { |
eae86bf3 | 380 | struct fwdata *fwdata = cardp->ep_out_buf; |
6dfff895 | 381 | const uint8_t *firmware = cardp->fw->data; |
876c9d3a | 382 | |
eae86bf3 DW |
383 | /* If we got a CRC failure on the last block, back |
384 | up and retry it */ | |
876c9d3a MT |
385 | if (!cardp->CRC_OK) { |
386 | cardp->totalbytes = cardp->fwlastblksent; | |
eae86bf3 | 387 | cardp->fwseqnum--; |
876c9d3a MT |
388 | } |
389 | ||
eae86bf3 DW |
390 | lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n", |
391 | cardp->totalbytes); | |
876c9d3a | 392 | |
eae86bf3 DW |
393 | /* struct fwdata (which we sent to the card) has an |
394 | extra __le32 field in between the header and the data, | |
395 | which is not in the struct fwheader in the actual | |
396 | firmware binary. Insert the seqnum in the middle... */ | |
397 | memcpy(&fwdata->hdr, &firmware[cardp->totalbytes], | |
876c9d3a MT |
398 | sizeof(struct fwheader)); |
399 | ||
400 | cardp->fwlastblksent = cardp->totalbytes; | |
401 | cardp->totalbytes += sizeof(struct fwheader); | |
402 | ||
876c9d3a | 403 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
eae86bf3 | 404 | le32_to_cpu(fwdata->hdr.datalength)); |
876c9d3a | 405 | |
eae86bf3 DW |
406 | lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n", |
407 | le32_to_cpu(fwdata->hdr.datalength)); | |
876c9d3a | 408 | |
eae86bf3 DW |
409 | fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum); |
410 | cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength); | |
876c9d3a | 411 | |
eae86bf3 DW |
412 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) + |
413 | le32_to_cpu(fwdata->hdr.datalength)); | |
414 | ||
415 | if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { | |
416 | lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n"); | |
417 | lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n", | |
418 | cardp->fwseqnum, cardp->totalbytes); | |
419 | } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { | |
420 | lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n"); | |
421 | lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n"); | |
876c9d3a | 422 | |
876c9d3a MT |
423 | cardp->fwfinalblk = 1; |
424 | } | |
425 | ||
eae86bf3 DW |
426 | lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n", |
427 | cardp->totalbytes); | |
876c9d3a MT |
428 | |
429 | return 0; | |
430 | } | |
431 | ||
eae86bf3 | 432 | static int if_usb_reset_device(struct if_usb_card *cardp) |
876c9d3a | 433 | { |
eae86bf3 | 434 | struct cmd_ds_command *cmd = cardp->ep_out_buf + 4; |
876c9d3a | 435 | int ret; |
876c9d3a | 436 | |
3874d0fe HS |
437 | lbs_deb_enter(LBS_DEB_USB); |
438 | ||
eae86bf3 | 439 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
6d35fdfc DW |
440 | |
441 | cmd->command = cpu_to_le16(CMD_802_11_RESET); | |
f8e77cae | 442 | cmd->size = cpu_to_le16(sizeof(struct cmd_header)); |
6d35fdfc DW |
443 | cmd->result = cpu_to_le16(0); |
444 | cmd->seqnum = cpu_to_le16(0x5a5a); | |
f8e77cae | 445 | usb_tx_block(cardp, cardp->ep_out_buf, 4 + sizeof(struct cmd_header)); |
6d35fdfc | 446 | |
c8ba39d0 | 447 | msleep(100); |
876c9d3a | 448 | ret = usb_reset_device(cardp->udev); |
c8ba39d0 | 449 | msleep(100); |
3874d0fe | 450 | |
b77ec4ca DW |
451 | #ifdef CONFIG_OLPC |
452 | if (ret && machine_is_olpc()) | |
453 | if_usb_reset_olpc_card(NULL); | |
454 | #endif | |
455 | ||
3874d0fe HS |
456 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
457 | ||
876c9d3a MT |
458 | return ret; |
459 | } | |
460 | ||
461 | /** | |
462 | * @brief This function transfer the data to the device. | |
69f9032d | 463 | * @param priv pointer to struct lbs_private |
876c9d3a MT |
464 | * @param payload pointer to payload data |
465 | * @param nb data length | |
466 | * @return 0 or -1 | |
467 | */ | |
eae86bf3 | 468 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb) |
876c9d3a | 469 | { |
876c9d3a MT |
470 | int ret = -1; |
471 | ||
472 | /* check if device is removed */ | |
954ee164 | 473 | if (cardp->surprise_removed) { |
9012b28a | 474 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
876c9d3a MT |
475 | goto tx_ret; |
476 | } | |
477 | ||
478 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
479 | usb_sndbulkpipe(cardp->udev, | |
eae86bf3 | 480 | cardp->ep_out), |
954ee164 | 481 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
482 | |
483 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
484 | ||
485 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
0856e681 | 486 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
876c9d3a MT |
487 | ret = -1; |
488 | } else { | |
eae86bf3 | 489 | lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n"); |
876c9d3a MT |
490 | ret = 0; |
491 | } | |
492 | ||
493 | tx_ret: | |
494 | return ret; | |
495 | } | |
496 | ||
eae86bf3 | 497 | static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, |
954ee164 | 498 | void (*callbackfn)(struct urb *urb)) |
876c9d3a | 499 | { |
876c9d3a | 500 | struct sk_buff *skb; |
876c9d3a MT |
501 | int ret = -1; |
502 | ||
503 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
504 | lbs_pr_err("No free skb\n"); | |
505 | goto rx_ret; | |
506 | } | |
507 | ||
eae86bf3 | 508 | cardp->rx_skb = skb; |
876c9d3a MT |
509 | |
510 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
511 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
eae86bf3 | 512 | usb_rcvbulkpipe(cardp->udev, cardp->ep_in), |
4269e2ad | 513 | (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), |
876c9d3a | 514 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
eae86bf3 | 515 | cardp); |
876c9d3a MT |
516 | |
517 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
518 | ||
eae86bf3 | 519 | lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); |
876c9d3a | 520 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
0856e681 | 521 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
77d8cf2c | 522 | kfree_skb(skb); |
eae86bf3 | 523 | cardp->rx_skb = NULL; |
876c9d3a MT |
524 | ret = -1; |
525 | } else { | |
eae86bf3 | 526 | lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n"); |
876c9d3a MT |
527 | ret = 0; |
528 | } | |
529 | ||
530 | rx_ret: | |
531 | return ret; | |
532 | } | |
533 | ||
eae86bf3 | 534 | static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp) |
876c9d3a | 535 | { |
954ee164 | 536 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
537 | } |
538 | ||
eae86bf3 | 539 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp) |
876c9d3a | 540 | { |
954ee164 | 541 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
542 | } |
543 | ||
544 | static void if_usb_receive_fwload(struct urb *urb) | |
545 | { | |
eae86bf3 DW |
546 | struct if_usb_card *cardp = urb->context; |
547 | struct sk_buff *skb = cardp->rx_skb; | |
876c9d3a | 548 | struct fwsyncheader *syncfwheader; |
eae86bf3 | 549 | struct bootcmdresp bootcmdresp; |
876c9d3a MT |
550 | |
551 | if (urb->status) { | |
9012b28a | 552 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 553 | "URB status is failed during fw load\n"); |
876c9d3a MT |
554 | kfree_skb(skb); |
555 | return; | |
556 | } | |
557 | ||
c9cd6f9d DW |
558 | if (cardp->fwdnldover) { |
559 | __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
560 | ||
561 | if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && | |
562 | tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { | |
563 | lbs_pr_info("Firmware ready event received\n"); | |
564 | wake_up(&cardp->fw_wq); | |
565 | } else { | |
eae86bf3 DW |
566 | lbs_deb_usb("Waiting for confirmation; got %x %x\n", |
567 | le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1])); | |
c9cd6f9d DW |
568 | if_usb_submit_rx_urb_fwload(cardp); |
569 | } | |
570 | kfree_skb(skb); | |
571 | return; | |
572 | } | |
c8ba39d0 | 573 | if (cardp->bootcmdresp <= 0) { |
876c9d3a MT |
574 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, |
575 | sizeof(bootcmdresp)); | |
eae86bf3 | 576 | |
981f187b | 577 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 578 | kfree_skb(skb); |
954ee164 | 579 | if_usb_submit_rx_urb_fwload(cardp); |
1556c0f2 | 580 | cardp->bootcmdresp = BOOT_CMD_RESP_OK; |
9012b28a | 581 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 582 | "Received valid boot command response\n"); |
876c9d3a MT |
583 | return; |
584 | } | |
eae86bf3 DW |
585 | if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
586 | if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) || | |
587 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) || | |
588 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) { | |
c9cd6f9d DW |
589 | if (!cardp->bootcmdresp) |
590 | lbs_pr_info("Firmware already seems alive; resetting\n"); | |
6d35fdfc DW |
591 | cardp->bootcmdresp = -1; |
592 | } else { | |
593 | lbs_pr_info("boot cmd response wrong magic number (0x%x)\n", | |
eae86bf3 | 594 | le32_to_cpu(bootcmdresp.magic)); |
6d35fdfc | 595 | } |
1556c0f2 BC |
596 | } else if ((bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) && |
597 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_FW) && | |
598 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_BOOT2)) { | |
eae86bf3 DW |
599 | lbs_pr_info("boot cmd response cmd_tag error (%d)\n", |
600 | bootcmdresp.cmd); | |
601 | } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) { | |
602 | lbs_pr_info("boot cmd response result error (%d)\n", | |
603 | bootcmdresp.result); | |
876c9d3a MT |
604 | } else { |
605 | cardp->bootcmdresp = 1; | |
9012b28a | 606 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 607 | "Received valid boot command response\n"); |
876c9d3a MT |
608 | } |
609 | kfree_skb(skb); | |
954ee164 | 610 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
611 | return; |
612 | } | |
613 | ||
614 | syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC); | |
615 | if (!syncfwheader) { | |
9012b28a | 616 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
617 | kfree_skb(skb); |
618 | return; | |
619 | } | |
620 | ||
621 | memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET, | |
eae86bf3 | 622 | sizeof(struct fwsyncheader)); |
876c9d3a MT |
623 | |
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 MT |
649 | kfree(syncfwheader); |
650 | ||
651 | return; | |
876c9d3a MT |
652 | } |
653 | ||
654 | #define MRVDRV_MIN_PKT_LEN 30 | |
655 | ||
656 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
eae86bf3 | 657 | struct if_usb_card *cardp, |
69f9032d | 658 | struct lbs_private *priv) |
876c9d3a | 659 | { |
eae86bf3 DW |
660 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN |
661 | || recvlength < MRVDRV_MIN_PKT_LEN) { | |
662 | lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n"); | |
876c9d3a MT |
663 | kfree_skb(skb); |
664 | return; | |
665 | } | |
666 | ||
667 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
668 | skb_put(skb, recvlength); | |
669 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
eae86bf3 | 670 | |
10078321 | 671 | lbs_process_rxed_packet(priv, skb); |
876c9d3a MT |
672 | } |
673 | ||
eae86bf3 | 674 | static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, |
876c9d3a | 675 | struct sk_buff *skb, |
eae86bf3 | 676 | struct if_usb_card *cardp, |
69f9032d | 677 | struct lbs_private *priv) |
876c9d3a | 678 | { |
7919b89c HS |
679 | u8 i; |
680 | ||
ddac4526 | 681 | if (recvlength > LBS_CMD_BUFFER_SIZE) { |
9012b28a | 682 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 683 | "The receive buffer is too large\n"); |
876c9d3a MT |
684 | kfree_skb(skb); |
685 | return; | |
686 | } | |
687 | ||
688 | if (!in_interrupt()) | |
689 | BUG(); | |
690 | ||
aa21c004 | 691 | spin_lock(&priv->driver_lock); |
876c9d3a | 692 | |
7919b89c HS |
693 | i = (priv->resp_idx == 0) ? 1 : 0; |
694 | BUG_ON(priv->resp_len[i]); | |
695 | priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN); | |
696 | memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN, | |
697 | priv->resp_len[i]); | |
876c9d3a | 698 | kfree_skb(skb); |
7919b89c HS |
699 | lbs_notify_command_response(priv, i); |
700 | ||
aa21c004 | 701 | spin_unlock(&priv->driver_lock); |
876c9d3a | 702 | |
9012b28a | 703 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 704 | "Wake up main thread to handle cmd response\n"); |
876c9d3a MT |
705 | } |
706 | ||
707 | /** | |
708 | * @brief This function reads of the packet into the upload buff, | |
709 | * wake up the main thread and initialise the Rx callack. | |
710 | * | |
711 | * @param urb pointer to struct urb | |
712 | * @return N/A | |
713 | */ | |
714 | static void if_usb_receive(struct urb *urb) | |
715 | { | |
eae86bf3 DW |
716 | struct if_usb_card *cardp = urb->context; |
717 | struct sk_buff *skb = cardp->rx_skb; | |
69f9032d | 718 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 719 | int recvlength = urb->actual_length; |
eae86bf3 DW |
720 | uint8_t *recvbuff = NULL; |
721 | uint32_t recvtype = 0; | |
722 | __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
7919b89c | 723 | uint32_t event; |
876c9d3a | 724 | |
9012b28a | 725 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
726 | |
727 | if (recvlength) { | |
728 | if (urb->status) { | |
eae86bf3 DW |
729 | lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n", |
730 | urb->status); | |
876c9d3a MT |
731 | kfree_skb(skb); |
732 | goto setup_for_next; | |
733 | } | |
734 | ||
735 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
eae86bf3 | 736 | recvtype = le32_to_cpu(pkt[0]); |
9012b28a | 737 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
738 | "Recv length = 0x%x, Recv type = 0x%X\n", |
739 | recvlength, recvtype); | |
77d8cf2c DW |
740 | } else if (urb->status) { |
741 | kfree_skb(skb); | |
876c9d3a | 742 | goto rx_exit; |
77d8cf2c | 743 | } |
876c9d3a | 744 | |
876c9d3a MT |
745 | switch (recvtype) { |
746 | case CMD_TYPE_DATA: | |
747 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
748 | break; | |
749 | ||
750 | case CMD_TYPE_REQUEST: | |
751 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
752 | break; | |
753 | ||
754 | case CMD_TYPE_INDICATION: | |
7919b89c HS |
755 | /* Event handling */ |
756 | event = le32_to_cpu(pkt[1]); | |
757 | lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event); | |
758 | kfree_skb(skb); | |
eae86bf3 | 759 | |
7919b89c HS |
760 | /* Icky undocumented magic special case */ |
761 | if (event & 0xffff0000) { | |
762 | u32 trycount = (event & 0xffff0000) >> 16; | |
eae86bf3 | 763 | |
7919b89c HS |
764 | lbs_send_tx_feedback(priv, trycount); |
765 | } else | |
766 | lbs_queue_event(priv, event & 0xFF); | |
767 | break; | |
eae86bf3 | 768 | |
876c9d3a | 769 | default: |
8362cd41 | 770 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
eae86bf3 | 771 | recvtype); |
876c9d3a MT |
772 | kfree_skb(skb); |
773 | break; | |
774 | } | |
775 | ||
776 | setup_for_next: | |
954ee164 | 777 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 778 | rx_exit: |
9012b28a | 779 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
780 | } |
781 | ||
782 | /** | |
783 | * @brief This function downloads data to FW | |
69f9032d | 784 | * @param priv pointer to struct lbs_private structure |
876c9d3a MT |
785 | * @param type type of data |
786 | * @param buf pointer to data buffer | |
787 | * @param len number of bytes | |
788 | * @return 0 or -1 | |
789 | */ | |
eae86bf3 DW |
790 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
791 | uint8_t *payload, uint16_t nb) | |
876c9d3a | 792 | { |
eae86bf3 | 793 | struct if_usb_card *cardp = priv->card; |
876c9d3a | 794 | |
9012b28a HS |
795 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
796 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
797 | |
798 | if (type == MVMS_CMD) { | |
eae86bf3 | 799 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 800 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a | 801 | } else { |
eae86bf3 | 802 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 803 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
804 | } |
805 | ||
eae86bf3 | 806 | memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb); |
876c9d3a | 807 | |
eae86bf3 | 808 | return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
809 | } |
810 | ||
9e22cb67 DW |
811 | /** |
812 | * @brief This function issues Boot command to the Boot2 code | |
813 | * @param ivalue 1:Boot from FW by USB-Download | |
814 | * 2:Boot from FW in EEPROM | |
815 | * @return 0 | |
816 | */ | |
eae86bf3 | 817 | static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue) |
9e22cb67 | 818 | { |
eae86bf3 | 819 | struct bootcmd *bootcmd = cardp->ep_out_buf; |
9e22cb67 DW |
820 | |
821 | /* Prepare command */ | |
eae86bf3 DW |
822 | bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); |
823 | bootcmd->cmd = ivalue; | |
824 | memset(bootcmd->pad, 0, sizeof(bootcmd->pad)); | |
9e22cb67 DW |
825 | |
826 | /* Issue command */ | |
eae86bf3 | 827 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd)); |
9e22cb67 DW |
828 | |
829 | return 0; | |
830 | } | |
876c9d3a MT |
831 | |
832 | ||
954ee164 DW |
833 | /** |
834 | * @brief This function checks the validity of Boot2/FW image. | |
835 | * | |
836 | * @param data pointer to image | |
837 | * len image length | |
838 | * @return 0 or -1 | |
839 | */ | |
6dfff895 | 840 | static int check_fwfile_format(const uint8_t *data, uint32_t totlen) |
954ee164 | 841 | { |
eae86bf3 DW |
842 | uint32_t bincmd, exit; |
843 | uint32_t blksize, offset, len; | |
954ee164 DW |
844 | int ret; |
845 | ||
846 | ret = 1; | |
847 | exit = len = 0; | |
848 | ||
849 | do { | |
850 | struct fwheader *fwh = (void *)data; | |
851 | ||
852 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
853 | blksize = le32_to_cpu(fwh->datalength); | |
854 | switch (bincmd) { | |
855 | case FW_HAS_DATA_TO_RECV: | |
856 | offset = sizeof(struct fwheader) + blksize; | |
857 | data += offset; | |
858 | len += offset; | |
859 | if (len >= totlen) | |
860 | exit = 1; | |
861 | break; | |
862 | case FW_HAS_LAST_BLOCK: | |
863 | exit = 1; | |
864 | ret = 0; | |
865 | break; | |
866 | default: | |
867 | exit = 1; | |
868 | break; | |
869 | } | |
870 | } while (!exit); | |
871 | ||
872 | if (ret) | |
873 | lbs_pr_err("firmware file format check FAIL\n"); | |
874 | else | |
875 | lbs_deb_fw("firmware file format check PASS\n"); | |
876 | ||
877 | return ret; | |
878 | } | |
879 | ||
880 | ||
1556c0f2 BC |
881 | /** |
882 | * @brief This function programs the firmware subject to cmd | |
883 | * | |
884 | * @param cardp the if_usb_card descriptor | |
885 | * fwname firmware or boot2 image file name | |
886 | * cmd either BOOT_CMD_FW_BY_USB, BOOT_CMD_UPDATE_FW, | |
887 | * or BOOT_CMD_UPDATE_BOOT2. | |
888 | * @return 0 or error code | |
889 | */ | |
890 | static int if_usb_prog_firmware(struct if_usb_card *cardp, | |
891 | const char *fwname, int cmd) | |
892 | { | |
893 | struct lbs_private *priv = cardp->priv; | |
894 | unsigned long flags, caps; | |
895 | int ret; | |
896 | ||
897 | caps = priv->fwcapinfo; | |
898 | if (((cmd == BOOT_CMD_UPDATE_FW) && !(caps & FW_CAPINFO_FIRMWARE_UPGRADE)) || | |
899 | ((cmd == BOOT_CMD_UPDATE_BOOT2) && !(caps & FW_CAPINFO_BOOT2_UPGRADE))) | |
900 | return -EOPNOTSUPP; | |
901 | ||
902 | /* Ensure main thread is idle. */ | |
903 | spin_lock_irqsave(&priv->driver_lock, flags); | |
904 | while (priv->cur_cmd != NULL || priv->dnld_sent != DNLD_RES_RECEIVED) { | |
905 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
906 | if (wait_event_interruptible(priv->waitq, | |
907 | (priv->cur_cmd == NULL && | |
908 | priv->dnld_sent == DNLD_RES_RECEIVED))) { | |
909 | return -ERESTARTSYS; | |
910 | } | |
911 | spin_lock_irqsave(&priv->driver_lock, flags); | |
912 | } | |
913 | priv->dnld_sent = DNLD_BOOTCMD_SENT; | |
914 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
915 | ||
916 | ret = __if_usb_prog_firmware(cardp, fwname, cmd); | |
917 | ||
918 | spin_lock_irqsave(&priv->driver_lock, flags); | |
919 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
920 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
921 | ||
922 | wake_up_interruptible(&priv->waitq); | |
923 | ||
924 | return ret; | |
925 | } | |
926 | ||
927 | static int __if_usb_prog_firmware(struct if_usb_card *cardp, | |
928 | const char *fwname, int cmd) | |
876c9d3a | 929 | { |
876c9d3a MT |
930 | int i = 0; |
931 | static int reset_count = 10; | |
9012b28a | 932 | int ret = 0; |
876c9d3a | 933 | |
9012b28a | 934 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 935 | |
1556c0f2 BC |
936 | ret = request_firmware(&cardp->fw, fwname, &cardp->udev->dev); |
937 | if (ret < 0) { | |
954ee164 | 938 | lbs_pr_err("request_firmware() failed with %#x\n", ret); |
1556c0f2 | 939 | lbs_pr_err("firmware %s not found\n", fwname); |
954ee164 DW |
940 | goto done; |
941 | } | |
942 | ||
1556c0f2 BC |
943 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) { |
944 | ret = -EINVAL; | |
954ee164 | 945 | goto release_fw; |
1556c0f2 BC |
946 | } |
947 | ||
948 | /* Cancel any pending usb business */ | |
949 | usb_kill_urb(cardp->rx_urb); | |
950 | usb_kill_urb(cardp->tx_urb); | |
951 | ||
952 | cardp->fwlastblksent = 0; | |
953 | cardp->fwdnldover = 0; | |
954 | cardp->totalbytes = 0; | |
955 | cardp->fwfinalblk = 0; | |
956 | cardp->bootcmdresp = 0; | |
876c9d3a MT |
957 | |
958 | restart: | |
954ee164 | 959 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a | 960 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
1556c0f2 | 961 | ret = -EIO; |
954ee164 | 962 | goto release_fw; |
876c9d3a MT |
963 | } |
964 | ||
876c9d3a MT |
965 | cardp->bootcmdresp = 0; |
966 | do { | |
967 | int j = 0; | |
968 | i++; | |
1556c0f2 | 969 | if_usb_issue_boot_command(cardp, cmd); |
876c9d3a MT |
970 | /* wait for command response */ |
971 | do { | |
972 | j++; | |
973 | msleep_interruptible(100); | |
974 | } while (cardp->bootcmdresp == 0 && j < 10); | |
975 | } while (cardp->bootcmdresp == 0 && i < 5); | |
976 | ||
1556c0f2 BC |
977 | if (cardp->bootcmdresp == BOOT_CMD_RESP_NOT_SUPPORTED) { |
978 | /* Return to normal operation */ | |
979 | ret = -EOPNOTSUPP; | |
980 | usb_kill_urb(cardp->rx_urb); | |
981 | usb_kill_urb(cardp->tx_urb); | |
982 | if (if_usb_submit_rx_urb(cardp) < 0) | |
983 | ret = -EIO; | |
984 | goto release_fw; | |
985 | } else if (cardp->bootcmdresp <= 0) { | |
876c9d3a | 986 | if (--reset_count >= 0) { |
954ee164 | 987 | if_usb_reset_device(cardp); |
876c9d3a MT |
988 | goto restart; |
989 | } | |
1556c0f2 BC |
990 | ret = -EIO; |
991 | goto release_fw; | |
876c9d3a | 992 | } |
876c9d3a MT |
993 | |
994 | i = 0; | |
876c9d3a MT |
995 | |
996 | cardp->totalbytes = 0; | |
997 | cardp->fwlastblksent = 0; | |
998 | cardp->CRC_OK = 1; | |
999 | cardp->fwdnldover = 0; | |
1000 | cardp->fwseqnum = -1; | |
1001 | cardp->totalbytes = 0; | |
1002 | cardp->fwfinalblk = 0; | |
1003 | ||
4f82f5c8 DW |
1004 | /* Send the first firmware packet... */ |
1005 | if_usb_send_fw_pkt(cardp); | |
876c9d3a | 1006 | |
4f82f5c8 DW |
1007 | /* ... and wait for the process to complete */ |
1008 | wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); | |
7e226272 | 1009 | |
4f82f5c8 | 1010 | del_timer_sync(&cardp->fw_timeout); |
c9cd6f9d | 1011 | usb_kill_urb(cardp->rx_urb); |
876c9d3a MT |
1012 | |
1013 | if (!cardp->fwdnldover) { | |
1014 | lbs_pr_info("failed to load fw, resetting device!\n"); | |
1015 | if (--reset_count >= 0) { | |
954ee164 | 1016 | if_usb_reset_device(cardp); |
876c9d3a MT |
1017 | goto restart; |
1018 | } | |
1019 | ||
1020 | lbs_pr_info("FW download failure, time = %d ms\n", i * 100); | |
1556c0f2 | 1021 | ret = -EIO; |
954ee164 | 1022 | goto release_fw; |
876c9d3a MT |
1023 | } |
1024 | ||
eae86bf3 | 1025 | release_fw: |
954ee164 DW |
1026 | release_firmware(cardp->fw); |
1027 | cardp->fw = NULL; | |
876c9d3a | 1028 | |
eae86bf3 | 1029 | done: |
9012b28a HS |
1030 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
1031 | return ret; | |
876c9d3a MT |
1032 | } |
1033 | ||
1df4e8fe | 1034 | |
876c9d3a MT |
1035 | #ifdef CONFIG_PM |
1036 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
1037 | { | |
eae86bf3 | 1038 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 1039 | struct lbs_private *priv = cardp->priv; |
d1f7a5b8 | 1040 | int ret; |
876c9d3a | 1041 | |
9012b28a | 1042 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 1043 | |
aa21c004 | 1044 | if (priv->psstate != PS_STATE_FULL_POWER) |
876c9d3a MT |
1045 | return -1; |
1046 | ||
d1f7a5b8 DW |
1047 | ret = lbs_suspend(priv); |
1048 | if (ret) | |
1049 | goto out; | |
876c9d3a MT |
1050 | |
1051 | /* Unlink tx & rx urb */ | |
1052 | usb_kill_urb(cardp->tx_urb); | |
1053 | usb_kill_urb(cardp->rx_urb); | |
1054 | ||
d1f7a5b8 | 1055 | out: |
9012b28a | 1056 | lbs_deb_leave(LBS_DEB_USB); |
d1f7a5b8 | 1057 | return ret; |
876c9d3a MT |
1058 | } |
1059 | ||
1060 | static int if_usb_resume(struct usb_interface *intf) | |
1061 | { | |
eae86bf3 | 1062 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 1063 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 1064 | |
9012b28a | 1065 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 1066 | |
6bc822b5 | 1067 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 1068 | |
d1f7a5b8 | 1069 | lbs_resume(priv); |
876c9d3a | 1070 | |
9012b28a | 1071 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1072 | return 0; |
1073 | } | |
1074 | #else | |
1075 | #define if_usb_suspend NULL | |
1076 | #define if_usb_resume NULL | |
1077 | #endif | |
1078 | ||
1079 | static struct usb_driver if_usb_driver = { | |
798fbfec | 1080 | .name = DRV_NAME, |
876c9d3a | 1081 | .probe = if_usb_probe, |
876c9d3a | 1082 | .disconnect = if_usb_disconnect, |
876c9d3a MT |
1083 | .id_table = if_usb_table, |
1084 | .suspend = if_usb_suspend, | |
1085 | .resume = if_usb_resume, | |
7b58ccfe | 1086 | .reset_resume = if_usb_resume, |
876c9d3a MT |
1087 | }; |
1088 | ||
4fb910fd | 1089 | static int __init if_usb_init_module(void) |
876c9d3a | 1090 | { |
084708b6 | 1091 | int ret = 0; |
876c9d3a | 1092 | |
084708b6 HS |
1093 | lbs_deb_enter(LBS_DEB_MAIN); |
1094 | ||
084708b6 HS |
1095 | ret = usb_register(&if_usb_driver); |
1096 | ||
1097 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1098 | return ret; | |
876c9d3a MT |
1099 | } |
1100 | ||
4fb910fd | 1101 | static void __exit if_usb_exit_module(void) |
876c9d3a | 1102 | { |
084708b6 HS |
1103 | lbs_deb_enter(LBS_DEB_MAIN); |
1104 | ||
876c9d3a | 1105 | usb_deregister(&if_usb_driver); |
084708b6 HS |
1106 | |
1107 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 1108 | } |
084708b6 HS |
1109 | |
1110 | module_init(if_usb_init_module); | |
1111 | module_exit(if_usb_exit_module); | |
1112 | ||
1113 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
eae86bf3 | 1114 | MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc."); |
084708b6 | 1115 | MODULE_LICENSE("GPL"); |