Commit | Line | Data |
---|---|---|
8973a6e7 RD |
1 | /* |
2 | * This file contains functions used in USB interface module. | |
3 | */ | |
0e4e06ae JP |
4 | |
5 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
6 | ||
876c9d3a | 7 | #include <linux/delay.h> |
084708b6 | 8 | #include <linux/moduleparam.h> |
876c9d3a MT |
9 | #include <linux/firmware.h> |
10 | #include <linux/netdevice.h> | |
5a0e3ad6 | 11 | #include <linux/slab.h> |
876c9d3a MT |
12 | #include <linux/usb.h> |
13 | ||
b77ec4ca DW |
14 | #ifdef CONFIG_OLPC |
15 | #include <asm/olpc.h> | |
16 | #endif | |
17 | ||
ec3eef28 HS |
18 | #define DRV_NAME "usb8xxx" |
19 | ||
876c9d3a | 20 | #include "host.h" |
876c9d3a MT |
21 | #include "decl.h" |
22 | #include "defs.h" | |
23 | #include "dev.h" | |
14e865ba | 24 | #include "cmd.h" |
876c9d3a MT |
25 | #include "if_usb.h" |
26 | ||
eae86bf3 DW |
27 | #define INSANEDEBUG 0 |
28 | #define lbs_deb_usb2(...) do { if (INSANEDEBUG) lbs_deb_usbd(__VA_ARGS__); } while (0) | |
29 | ||
876c9d3a MT |
30 | #define MESSAGE_HEADER_LEN 4 |
31 | ||
5cddea81 | 32 | static char *lbs_fw_name = NULL; |
10078321 | 33 | module_param_named(fw_name, lbs_fw_name, charp, 0644); |
084708b6 | 34 | |
5cddea81 DW |
35 | MODULE_FIRMWARE("libertas/usb8388_v9.bin"); |
36 | MODULE_FIRMWARE("libertas/usb8388_v5.bin"); | |
37 | MODULE_FIRMWARE("libertas/usb8388.bin"); | |
38 | MODULE_FIRMWARE("libertas/usb8682.bin"); | |
a974a4bb BH |
39 | MODULE_FIRMWARE("usb8388.bin"); |
40 | ||
5cddea81 DW |
41 | enum { |
42 | MODEL_UNKNOWN = 0x0, | |
43 | MODEL_8388 = 0x1, | |
44 | MODEL_8682 = 0x2 | |
45 | }; | |
46 | ||
876c9d3a MT |
47 | static struct usb_device_id if_usb_table[] = { |
48 | /* Enter the device signature inside */ | |
5cddea81 DW |
49 | { USB_DEVICE(0x1286, 0x2001), .driver_info = MODEL_8388 }, |
50 | { USB_DEVICE(0x05a3, 0x8388), .driver_info = MODEL_8388 }, | |
876c9d3a MT |
51 | {} /* Terminating entry */ |
52 | }; | |
53 | ||
54 | MODULE_DEVICE_TABLE(usb, if_usb_table); | |
55 | ||
56 | static void if_usb_receive(struct urb *urb); | |
57 | static void if_usb_receive_fwload(struct urb *urb); | |
1556c0f2 BC |
58 | static int __if_usb_prog_firmware(struct if_usb_card *cardp, |
59 | const char *fwname, int cmd); | |
60 | static int if_usb_prog_firmware(struct if_usb_card *cardp, | |
61 | const char *fwname, int cmd); | |
eae86bf3 DW |
62 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
63 | uint8_t *payload, uint16_t nb); | |
eae86bf3 DW |
64 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, |
65 | uint16_t nb); | |
66 | static void if_usb_free(struct if_usb_card *cardp); | |
67 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp); | |
68 | static int if_usb_reset_device(struct if_usb_card *cardp); | |
876c9d3a | 69 | |
1ff41eb0 BC |
70 | /* sysfs hooks */ |
71 | ||
8973a6e7 | 72 | /* |
1ff41eb0 BC |
73 | * Set function to write firmware to device's persistent memory |
74 | */ | |
75 | static ssize_t if_usb_firmware_set(struct device *dev, | |
76 | struct device_attribute *attr, const char *buf, size_t count) | |
77 | { | |
ab65f649 | 78 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
1ff41eb0 | 79 | struct if_usb_card *cardp = priv->card; |
1ff41eb0 BC |
80 | int ret; |
81 | ||
5cddea81 DW |
82 | BUG_ON(buf == NULL); |
83 | ||
cadeba31 | 84 | ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_FW); |
1ff41eb0 BC |
85 | if (ret == 0) |
86 | return count; | |
87 | ||
88 | return ret; | |
89 | } | |
90 | ||
8973a6e7 | 91 | /* |
1ff41eb0 BC |
92 | * lbs_flash_fw attribute to be exported per ethX interface through sysfs |
93 | * (/sys/class/net/ethX/lbs_flash_fw). Use this like so to write firmware to | |
94 | * the device's persistent memory: | |
95 | * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_flash_fw | |
96 | */ | |
97 | static DEVICE_ATTR(lbs_flash_fw, 0200, NULL, if_usb_firmware_set); | |
98 | ||
99 | /** | |
8973a6e7 RD |
100 | * if_usb_boot2_set - write firmware to device's persistent memory |
101 | * | |
102 | * @dev: target device | |
103 | * @attr: device attributes | |
104 | * @buf: firmware buffer to write | |
105 | * @count: number of bytes to write | |
106 | * | |
107 | * returns: number of bytes written or negative error code | |
1ff41eb0 BC |
108 | */ |
109 | static ssize_t if_usb_boot2_set(struct device *dev, | |
110 | struct device_attribute *attr, const char *buf, size_t count) | |
111 | { | |
ab65f649 | 112 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
1ff41eb0 | 113 | struct if_usb_card *cardp = priv->card; |
1ff41eb0 BC |
114 | int ret; |
115 | ||
5cddea81 DW |
116 | BUG_ON(buf == NULL); |
117 | ||
cadeba31 | 118 | ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_BOOT2); |
1ff41eb0 BC |
119 | if (ret == 0) |
120 | return count; | |
121 | ||
122 | return ret; | |
123 | } | |
124 | ||
8973a6e7 | 125 | /* |
1ff41eb0 BC |
126 | * lbs_flash_boot2 attribute to be exported per ethX interface through sysfs |
127 | * (/sys/class/net/ethX/lbs_flash_boot2). Use this like so to write firmware | |
128 | * to the device's persistent memory: | |
129 | * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_flash_boot2 | |
130 | */ | |
131 | static DEVICE_ATTR(lbs_flash_boot2, 0200, NULL, if_usb_boot2_set); | |
132 | ||
876c9d3a | 133 | /** |
8973a6e7 RD |
134 | * if_usb_write_bulk_callback - callback function to handle the status |
135 | * of the URB | |
136 | * @urb: pointer to &urb structure | |
137 | * returns: N/A | |
876c9d3a MT |
138 | */ |
139 | static void if_usb_write_bulk_callback(struct urb *urb) | |
140 | { | |
eae86bf3 | 141 | struct if_usb_card *cardp = (struct if_usb_card *) urb->context; |
876c9d3a MT |
142 | |
143 | /* handle the transmission complete validations */ | |
144 | ||
954ee164 | 145 | if (urb->status == 0) { |
69f9032d | 146 | struct lbs_private *priv = cardp->priv; |
954ee164 | 147 | |
eae86bf3 DW |
148 | lbs_deb_usb2(&urb->dev->dev, "URB status is successful\n"); |
149 | lbs_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n", | |
150 | urb->actual_length); | |
954ee164 | 151 | |
1556c0f2 BC |
152 | /* Boot commands such as UPDATE_FW and UPDATE_BOOT2 are not |
153 | * passed up to the lbs level. | |
954ee164 | 154 | */ |
1556c0f2 | 155 | if (priv && priv->dnld_sent != DNLD_BOOTCMD_SENT) |
e775ed7c | 156 | lbs_host_to_card_done(priv); |
954ee164 DW |
157 | } else { |
158 | /* print the failure status number for debug */ | |
0e4e06ae | 159 | pr_info("URB in failure status: %d\n", urb->status); |
876c9d3a | 160 | } |
876c9d3a MT |
161 | } |
162 | ||
163 | /** | |
8973a6e7 RD |
164 | * if_usb_free - free tx/rx urb, skb and rx buffer |
165 | * @cardp: pointer to &if_usb_card | |
166 | * returns: N/A | |
876c9d3a | 167 | */ |
eae86bf3 | 168 | static void if_usb_free(struct if_usb_card *cardp) |
876c9d3a | 169 | { |
9012b28a | 170 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
171 | |
172 | /* Unlink tx & rx urb */ | |
173 | usb_kill_urb(cardp->tx_urb); | |
174 | usb_kill_urb(cardp->rx_urb); | |
175 | ||
176 | usb_free_urb(cardp->tx_urb); | |
177 | cardp->tx_urb = NULL; | |
178 | ||
179 | usb_free_urb(cardp->rx_urb); | |
180 | cardp->rx_urb = NULL; | |
181 | ||
eae86bf3 DW |
182 | kfree(cardp->ep_out_buf); |
183 | cardp->ep_out_buf = NULL; | |
876c9d3a | 184 | |
9012b28a | 185 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
186 | } |
187 | ||
4694961c | 188 | static void if_usb_setup_firmware(struct lbs_private *priv) |
04c80f1a | 189 | { |
4365929d | 190 | struct if_usb_card *cardp = priv->card; |
04c80f1a | 191 | struct cmd_ds_set_boot2_ver b2_cmd; |
4694961c | 192 | struct cmd_ds_802_11_fw_wake_method wake_method; |
04c80f1a | 193 | |
9fae899c | 194 | b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd)); |
04c80f1a | 195 | b2_cmd.action = 0; |
4365929d | 196 | b2_cmd.version = cardp->boot2_version; |
04c80f1a | 197 | |
b23b2061 | 198 | if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd)) |
04c80f1a | 199 | lbs_deb_usb("Setting boot2 version failed\n"); |
4694961c DW |
200 | |
201 | priv->wol_gpio = 2; /* Wake via GPIO2... */ | |
202 | priv->wol_gap = 20; /* ... after 20ms */ | |
582c1b53 AN |
203 | lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA, |
204 | (struct wol_config *) NULL); | |
4694961c DW |
205 | |
206 | wake_method.hdr.size = cpu_to_le16(sizeof(wake_method)); | |
207 | wake_method.action = cpu_to_le16(CMD_ACT_GET); | |
208 | if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) { | |
f3a57fd1 | 209 | netdev_info(priv->dev, "Firmware does not seem to support PS mode\n"); |
e0d6133c | 210 | priv->fwcapinfo &= ~FW_CAPINFO_PS; |
4694961c DW |
211 | } else { |
212 | if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) { | |
213 | lbs_deb_usb("Firmware seems to support PS with wake-via-command\n"); | |
4694961c DW |
214 | } else { |
215 | /* The versions which boot up this way don't seem to | |
216 | work even if we set it to the command interrupt */ | |
e0d6133c | 217 | priv->fwcapinfo &= ~FW_CAPINFO_PS; |
f3a57fd1 JP |
218 | netdev_info(priv->dev, |
219 | "Firmware doesn't wake via command interrupt; disabling PS mode\n"); | |
4694961c DW |
220 | } |
221 | } | |
04c80f1a DW |
222 | } |
223 | ||
2fd6cfe3 | 224 | static void if_usb_fw_timeo(unsigned long priv) |
4f82f5c8 | 225 | { |
eae86bf3 | 226 | struct if_usb_card *cardp = (void *)priv; |
04c80f1a | 227 | |
4f82f5c8 DW |
228 | if (cardp->fwdnldover) { |
229 | lbs_deb_usb("Download complete, no event. Assuming success\n"); | |
230 | } else { | |
0e4e06ae | 231 | pr_err("Download timed out\n"); |
4f82f5c8 DW |
232 | cardp->surprise_removed = 1; |
233 | } | |
234 | wake_up(&cardp->fw_wq); | |
235 | } | |
eae86bf3 | 236 | |
b77ec4ca DW |
237 | #ifdef CONFIG_OLPC |
238 | static void if_usb_reset_olpc_card(struct lbs_private *priv) | |
239 | { | |
240 | printk(KERN_CRIT "Resetting OLPC wireless via EC...\n"); | |
241 | olpc_ec_cmd(0x25, NULL, 0, NULL, 0); | |
242 | } | |
243 | #endif | |
244 | ||
876c9d3a | 245 | /** |
8973a6e7 RD |
246 | * if_usb_probe - sets the configuration values |
247 | * @intf: &usb_interface pointer | |
248 | * @id: pointer to usb_device_id | |
249 | * returns: 0 on success, error code on failure | |
876c9d3a MT |
250 | */ |
251 | static int if_usb_probe(struct usb_interface *intf, | |
252 | const struct usb_device_id *id) | |
253 | { | |
254 | struct usb_device *udev; | |
255 | struct usb_host_interface *iface_desc; | |
256 | struct usb_endpoint_descriptor *endpoint; | |
69f9032d | 257 | struct lbs_private *priv; |
eae86bf3 | 258 | struct if_usb_card *cardp; |
876c9d3a MT |
259 | int i; |
260 | ||
261 | udev = interface_to_usbdev(intf); | |
262 | ||
eae86bf3 | 263 | cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL); |
435a1acb | 264 | if (!cardp) { |
0e4e06ae | 265 | pr_err("Out of memory allocating private data\n"); |
876c9d3a MT |
266 | goto error; |
267 | } | |
268 | ||
4f82f5c8 DW |
269 | setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp); |
270 | init_waitqueue_head(&cardp->fw_wq); | |
7e226272 | 271 | |
435a1acb | 272 | cardp->udev = udev; |
5cddea81 | 273 | cardp->model = (uint32_t) id->driver_info; |
876c9d3a MT |
274 | iface_desc = intf->cur_altsetting; |
275 | ||
9012b28a | 276 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
eae86bf3 | 277 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
981f187b DW |
278 | le16_to_cpu(udev->descriptor.bcdUSB), |
279 | udev->descriptor.bDeviceClass, | |
280 | udev->descriptor.bDeviceSubClass, | |
281 | udev->descriptor.bDeviceProtocol); | |
876c9d3a MT |
282 | |
283 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
284 | endpoint = &iface_desc->endpoint[i].desc; | |
eae86bf3 DW |
285 | if (usb_endpoint_is_bulk_in(endpoint)) { |
286 | cardp->ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
287 | cardp->ep_in = usb_endpoint_num(endpoint); | |
876c9d3a | 288 | |
eae86bf3 DW |
289 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in); |
290 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size); | |
876c9d3a | 291 | |
eae86bf3 DW |
292 | } else if (usb_endpoint_is_bulk_out(endpoint)) { |
293 | cardp->ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
294 | cardp->ep_out = usb_endpoint_num(endpoint); | |
295 | ||
296 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out); | |
297 | lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size); | |
876c9d3a MT |
298 | } |
299 | } | |
eae86bf3 DW |
300 | if (!cardp->ep_out_size || !cardp->ep_in_size) { |
301 | lbs_deb_usbd(&udev->dev, "Endpoints not found\n"); | |
302 | goto dealloc; | |
303 | } | |
304 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
305 | lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n"); | |
306 | goto dealloc; | |
307 | } | |
308 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
309 | lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n"); | |
310 | goto dealloc; | |
311 | } | |
312 | cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL); | |
313 | if (!cardp->ep_out_buf) { | |
314 | lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n"); | |
315 | goto dealloc; | |
316 | } | |
876c9d3a | 317 | |
954ee164 | 318 | /* Upload firmware */ |
d6d1b650 | 319 | kparam_block_sysfs_write(fw_name); |
1556c0f2 | 320 | if (__if_usb_prog_firmware(cardp, lbs_fw_name, BOOT_CMD_FW_BY_USB)) { |
d6d1b650 | 321 | kparam_unblock_sysfs_write(fw_name); |
23d36eec | 322 | lbs_deb_usbd(&udev->dev, "FW upload failed\n"); |
954ee164 DW |
323 | goto err_prog_firmware; |
324 | } | |
d6d1b650 | 325 | kparam_unblock_sysfs_write(fw_name); |
954ee164 | 326 | |
8e92f2ac | 327 | if (!(priv = lbs_add_card(cardp, &intf->dev))) |
954ee164 | 328 | goto err_prog_firmware; |
3874d0fe | 329 | |
954ee164 | 330 | cardp->priv = priv; |
c9cd6f9d | 331 | cardp->priv->fw_ready = 1; |
965f8bbc | 332 | |
208fdd2f | 333 | priv->hw_host_to_card = if_usb_host_to_card; |
49125454 AK |
334 | priv->enter_deep_sleep = NULL; |
335 | priv->exit_deep_sleep = NULL; | |
336 | priv->reset_deep_sleep_wakeup = NULL; | |
b77ec4ca DW |
337 | #ifdef CONFIG_OLPC |
338 | if (machine_is_olpc()) | |
339 | priv->reset_card = if_usb_reset_olpc_card; | |
340 | #endif | |
341 | ||
4365929d | 342 | cardp->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 343 | |
954ee164 | 344 | if_usb_submit_rx_urb(cardp); |
954ee164 | 345 | |
10078321 | 346 | if (lbs_start_card(priv)) |
954ee164 | 347 | goto err_start_card; |
32a74b7c | 348 | |
4694961c | 349 | if_usb_setup_firmware(priv); |
d1f7a5b8 | 350 | |
876c9d3a | 351 | usb_get_dev(udev); |
435a1acb | 352 | usb_set_intfdata(intf, cardp); |
876c9d3a | 353 | |
1ff41eb0 | 354 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_fw)) |
f3a57fd1 JP |
355 | netdev_err(priv->dev, |
356 | "cannot register lbs_flash_fw attribute\n"); | |
1ff41eb0 BC |
357 | |
358 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2)) | |
f3a57fd1 JP |
359 | netdev_err(priv->dev, |
360 | "cannot register lbs_flash_boot2 attribute\n"); | |
1ff41eb0 | 361 | |
ae63a33e DS |
362 | /* |
363 | * EHS_REMOVE_WAKEUP is not supported on all versions of the firmware. | |
364 | */ | |
365 | priv->wol_criteria = EHS_REMOVE_WAKEUP; | |
366 | if (lbs_host_sleep_cfg(priv, priv->wol_criteria, NULL)) | |
367 | priv->ehs_remove_supported = false; | |
368 | ||
876c9d3a MT |
369 | return 0; |
370 | ||
954ee164 | 371 | err_start_card: |
10078321 | 372 | lbs_remove_card(priv); |
954ee164 DW |
373 | err_prog_firmware: |
374 | if_usb_reset_device(cardp); | |
876c9d3a | 375 | dealloc: |
435a1acb | 376 | if_usb_free(cardp); |
876c9d3a MT |
377 | |
378 | error: | |
379 | return -ENOMEM; | |
380 | } | |
381 | ||
382 | /** | |
8973a6e7 RD |
383 | * if_usb_disconnect - free resource and cleanup |
384 | * @intf: USB interface structure | |
385 | * returns: N/A | |
876c9d3a MT |
386 | */ |
387 | static void if_usb_disconnect(struct usb_interface *intf) | |
388 | { | |
eae86bf3 | 389 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 390 | struct lbs_private *priv = (struct lbs_private *) cardp->priv; |
876c9d3a | 391 | |
954ee164 | 392 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 393 | |
1ff41eb0 BC |
394 | device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2); |
395 | device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_fw); | |
396 | ||
954ee164 | 397 | cardp->surprise_removed = 1; |
876c9d3a | 398 | |
954ee164 | 399 | if (priv) { |
aa21c004 | 400 | priv->surpriseremoved = 1; |
10078321 | 401 | lbs_stop_card(priv); |
10078321 | 402 | lbs_remove_card(priv); |
954ee164 | 403 | } |
876c9d3a MT |
404 | |
405 | /* Unlink and free urb */ | |
406 | if_usb_free(cardp); | |
407 | ||
408 | usb_set_intfdata(intf, NULL); | |
409 | usb_put_dev(interface_to_usbdev(intf)); | |
410 | ||
954ee164 | 411 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
412 | } |
413 | ||
414 | /** | |
8973a6e7 RD |
415 | * if_usb_send_fw_pkt - download FW |
416 | * @cardp: pointer to &struct if_usb_card | |
417 | * returns: 0 | |
876c9d3a | 418 | */ |
eae86bf3 | 419 | static int if_usb_send_fw_pkt(struct if_usb_card *cardp) |
876c9d3a | 420 | { |
eae86bf3 | 421 | struct fwdata *fwdata = cardp->ep_out_buf; |
6dfff895 | 422 | const uint8_t *firmware = cardp->fw->data; |
876c9d3a | 423 | |
eae86bf3 DW |
424 | /* If we got a CRC failure on the last block, back |
425 | up and retry it */ | |
876c9d3a MT |
426 | if (!cardp->CRC_OK) { |
427 | cardp->totalbytes = cardp->fwlastblksent; | |
eae86bf3 | 428 | cardp->fwseqnum--; |
876c9d3a MT |
429 | } |
430 | ||
eae86bf3 DW |
431 | lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n", |
432 | cardp->totalbytes); | |
876c9d3a | 433 | |
eae86bf3 DW |
434 | /* struct fwdata (which we sent to the card) has an |
435 | extra __le32 field in between the header and the data, | |
436 | which is not in the struct fwheader in the actual | |
437 | firmware binary. Insert the seqnum in the middle... */ | |
438 | memcpy(&fwdata->hdr, &firmware[cardp->totalbytes], | |
876c9d3a MT |
439 | sizeof(struct fwheader)); |
440 | ||
441 | cardp->fwlastblksent = cardp->totalbytes; | |
442 | cardp->totalbytes += sizeof(struct fwheader); | |
443 | ||
876c9d3a | 444 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
eae86bf3 | 445 | le32_to_cpu(fwdata->hdr.datalength)); |
876c9d3a | 446 | |
eae86bf3 DW |
447 | lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n", |
448 | le32_to_cpu(fwdata->hdr.datalength)); | |
876c9d3a | 449 | |
eae86bf3 DW |
450 | fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum); |
451 | cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength); | |
876c9d3a | 452 | |
eae86bf3 DW |
453 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) + |
454 | le32_to_cpu(fwdata->hdr.datalength)); | |
455 | ||
456 | if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { | |
457 | lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n"); | |
458 | lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n", | |
459 | cardp->fwseqnum, cardp->totalbytes); | |
460 | } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { | |
461 | lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n"); | |
462 | lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n"); | |
876c9d3a | 463 | |
876c9d3a MT |
464 | cardp->fwfinalblk = 1; |
465 | } | |
466 | ||
eae86bf3 DW |
467 | lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n", |
468 | cardp->totalbytes); | |
876c9d3a MT |
469 | |
470 | return 0; | |
471 | } | |
472 | ||
eae86bf3 | 473 | static int if_usb_reset_device(struct if_usb_card *cardp) |
876c9d3a | 474 | { |
0bb64087 | 475 | struct cmd_header *cmd = cardp->ep_out_buf + 4; |
876c9d3a | 476 | int ret; |
876c9d3a | 477 | |
3874d0fe HS |
478 | lbs_deb_enter(LBS_DEB_USB); |
479 | ||
eae86bf3 | 480 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
6d35fdfc DW |
481 | |
482 | cmd->command = cpu_to_le16(CMD_802_11_RESET); | |
0bb64087 | 483 | cmd->size = cpu_to_le16(sizeof(cmd)); |
6d35fdfc DW |
484 | cmd->result = cpu_to_le16(0); |
485 | cmd->seqnum = cpu_to_le16(0x5a5a); | |
f8e77cae | 486 | usb_tx_block(cardp, cardp->ep_out_buf, 4 + sizeof(struct cmd_header)); |
6d35fdfc | 487 | |
c8ba39d0 | 488 | msleep(100); |
876c9d3a | 489 | ret = usb_reset_device(cardp->udev); |
c8ba39d0 | 490 | msleep(100); |
3874d0fe | 491 | |
b77ec4ca DW |
492 | #ifdef CONFIG_OLPC |
493 | if (ret && machine_is_olpc()) | |
494 | if_usb_reset_olpc_card(NULL); | |
495 | #endif | |
496 | ||
3874d0fe HS |
497 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
498 | ||
876c9d3a MT |
499 | return ret; |
500 | } | |
501 | ||
502 | /** | |
8973a6e7 RD |
503 | * usb_tx_block - transfer the data to the device |
504 | * @cardp: pointer to &struct if_usb_card | |
505 | * @payload: pointer to payload data | |
506 | * @nb: data length | |
507 | * returns: 0 for success or negative error code | |
876c9d3a | 508 | */ |
eae86bf3 | 509 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb) |
876c9d3a | 510 | { |
4f329c04 | 511 | int ret; |
876c9d3a MT |
512 | |
513 | /* check if device is removed */ | |
954ee164 | 514 | if (cardp->surprise_removed) { |
9012b28a | 515 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
4f329c04 | 516 | ret = -ENODEV; |
876c9d3a MT |
517 | goto tx_ret; |
518 | } | |
519 | ||
520 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
521 | usb_sndbulkpipe(cardp->udev, | |
eae86bf3 | 522 | cardp->ep_out), |
954ee164 | 523 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
524 | |
525 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
526 | ||
527 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
0856e681 | 528 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
876c9d3a | 529 | } else { |
eae86bf3 | 530 | lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n"); |
876c9d3a MT |
531 | ret = 0; |
532 | } | |
533 | ||
534 | tx_ret: | |
535 | return ret; | |
536 | } | |
537 | ||
eae86bf3 | 538 | static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, |
954ee164 | 539 | void (*callbackfn)(struct urb *urb)) |
876c9d3a | 540 | { |
876c9d3a | 541 | struct sk_buff *skb; |
876c9d3a MT |
542 | int ret = -1; |
543 | ||
544 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
0e4e06ae | 545 | pr_err("No free skb\n"); |
876c9d3a MT |
546 | goto rx_ret; |
547 | } | |
548 | ||
eae86bf3 | 549 | cardp->rx_skb = skb; |
876c9d3a MT |
550 | |
551 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
552 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
eae86bf3 | 553 | usb_rcvbulkpipe(cardp->udev, cardp->ep_in), |
e9024a05 | 554 | skb->data + IPFIELD_ALIGN_OFFSET, |
876c9d3a | 555 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
eae86bf3 | 556 | cardp); |
876c9d3a MT |
557 | |
558 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
559 | ||
eae86bf3 | 560 | lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); |
876c9d3a | 561 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
0856e681 | 562 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
77d8cf2c | 563 | kfree_skb(skb); |
eae86bf3 | 564 | cardp->rx_skb = NULL; |
876c9d3a MT |
565 | ret = -1; |
566 | } else { | |
eae86bf3 | 567 | lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n"); |
876c9d3a MT |
568 | ret = 0; |
569 | } | |
570 | ||
571 | rx_ret: | |
572 | return ret; | |
573 | } | |
574 | ||
eae86bf3 | 575 | static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp) |
876c9d3a | 576 | { |
954ee164 | 577 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
578 | } |
579 | ||
eae86bf3 | 580 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp) |
876c9d3a | 581 | { |
954ee164 | 582 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
583 | } |
584 | ||
585 | static void if_usb_receive_fwload(struct urb *urb) | |
586 | { | |
eae86bf3 DW |
587 | struct if_usb_card *cardp = urb->context; |
588 | struct sk_buff *skb = cardp->rx_skb; | |
876c9d3a | 589 | struct fwsyncheader *syncfwheader; |
eae86bf3 | 590 | struct bootcmdresp bootcmdresp; |
876c9d3a MT |
591 | |
592 | if (urb->status) { | |
9012b28a | 593 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 594 | "URB status is failed during fw load\n"); |
876c9d3a MT |
595 | kfree_skb(skb); |
596 | return; | |
597 | } | |
598 | ||
c9cd6f9d DW |
599 | if (cardp->fwdnldover) { |
600 | __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
601 | ||
602 | if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && | |
603 | tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { | |
0e4e06ae | 604 | pr_info("Firmware ready event received\n"); |
c9cd6f9d DW |
605 | wake_up(&cardp->fw_wq); |
606 | } else { | |
eae86bf3 DW |
607 | lbs_deb_usb("Waiting for confirmation; got %x %x\n", |
608 | le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1])); | |
c9cd6f9d DW |
609 | if_usb_submit_rx_urb_fwload(cardp); |
610 | } | |
611 | kfree_skb(skb); | |
612 | return; | |
613 | } | |
c8ba39d0 | 614 | if (cardp->bootcmdresp <= 0) { |
876c9d3a MT |
615 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, |
616 | sizeof(bootcmdresp)); | |
eae86bf3 | 617 | |
981f187b | 618 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 619 | kfree_skb(skb); |
954ee164 | 620 | if_usb_submit_rx_urb_fwload(cardp); |
1556c0f2 | 621 | cardp->bootcmdresp = BOOT_CMD_RESP_OK; |
9012b28a | 622 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 623 | "Received valid boot command response\n"); |
876c9d3a MT |
624 | return; |
625 | } | |
eae86bf3 DW |
626 | if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
627 | if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) || | |
628 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) || | |
629 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) { | |
c9cd6f9d | 630 | if (!cardp->bootcmdresp) |
0e4e06ae | 631 | pr_info("Firmware already seems alive; resetting\n"); |
6d35fdfc DW |
632 | cardp->bootcmdresp = -1; |
633 | } else { | |
0e4e06ae | 634 | pr_info("boot cmd response wrong magic number (0x%x)\n", |
eae86bf3 | 635 | le32_to_cpu(bootcmdresp.magic)); |
6d35fdfc | 636 | } |
1556c0f2 BC |
637 | } else if ((bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) && |
638 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_FW) && | |
639 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_BOOT2)) { | |
0e4e06ae JP |
640 | pr_info("boot cmd response cmd_tag error (%d)\n", |
641 | bootcmdresp.cmd); | |
eae86bf3 | 642 | } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) { |
0e4e06ae JP |
643 | pr_info("boot cmd response result error (%d)\n", |
644 | bootcmdresp.result); | |
876c9d3a MT |
645 | } else { |
646 | cardp->bootcmdresp = 1; | |
9012b28a | 647 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 648 | "Received valid boot command response\n"); |
876c9d3a MT |
649 | } |
650 | kfree_skb(skb); | |
954ee164 | 651 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
652 | return; |
653 | } | |
654 | ||
731a9b2a JL |
655 | syncfwheader = kmemdup(skb->data + IPFIELD_ALIGN_OFFSET, |
656 | sizeof(struct fwsyncheader), GFP_ATOMIC); | |
876c9d3a | 657 | if (!syncfwheader) { |
9012b28a | 658 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
659 | kfree_skb(skb); |
660 | return; | |
661 | } | |
662 | ||
876c9d3a | 663 | if (!syncfwheader->cmd) { |
eae86bf3 DW |
664 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n"); |
665 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n", | |
666 | le32_to_cpu(syncfwheader->seqnum)); | |
876c9d3a MT |
667 | cardp->CRC_OK = 1; |
668 | } else { | |
eae86bf3 | 669 | lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n"); |
876c9d3a MT |
670 | cardp->CRC_OK = 0; |
671 | } | |
672 | ||
673 | kfree_skb(skb); | |
674 | ||
1556c0f2 BC |
675 | /* Give device 5s to either write firmware to its RAM or eeprom */ |
676 | mod_timer(&cardp->fw_timeout, jiffies + (HZ*5)); | |
4f82f5c8 | 677 | |
876c9d3a MT |
678 | if (cardp->fwfinalblk) { |
679 | cardp->fwdnldover = 1; | |
680 | goto exit; | |
681 | } | |
682 | ||
4f82f5c8 | 683 | if_usb_send_fw_pkt(cardp); |
876c9d3a | 684 | |
4f82f5c8 | 685 | exit: |
c9cd6f9d DW |
686 | if_usb_submit_rx_urb_fwload(cardp); |
687 | ||
876c9d3a | 688 | kfree(syncfwheader); |
876c9d3a MT |
689 | } |
690 | ||
691 | #define MRVDRV_MIN_PKT_LEN 30 | |
692 | ||
693 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
eae86bf3 | 694 | struct if_usb_card *cardp, |
69f9032d | 695 | struct lbs_private *priv) |
876c9d3a | 696 | { |
eae86bf3 DW |
697 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN |
698 | || recvlength < MRVDRV_MIN_PKT_LEN) { | |
699 | lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n"); | |
876c9d3a MT |
700 | kfree_skb(skb); |
701 | return; | |
702 | } | |
703 | ||
704 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
705 | skb_put(skb, recvlength); | |
706 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
eae86bf3 | 707 | |
10078321 | 708 | lbs_process_rxed_packet(priv, skb); |
876c9d3a MT |
709 | } |
710 | ||
eae86bf3 | 711 | static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, |
876c9d3a | 712 | struct sk_buff *skb, |
eae86bf3 | 713 | struct if_usb_card *cardp, |
69f9032d | 714 | struct lbs_private *priv) |
876c9d3a | 715 | { |
7919b89c HS |
716 | u8 i; |
717 | ||
ddac4526 | 718 | if (recvlength > LBS_CMD_BUFFER_SIZE) { |
9012b28a | 719 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 720 | "The receive buffer is too large\n"); |
876c9d3a MT |
721 | kfree_skb(skb); |
722 | return; | |
723 | } | |
724 | ||
0ee904c3 | 725 | BUG_ON(!in_interrupt()); |
876c9d3a | 726 | |
aa21c004 | 727 | spin_lock(&priv->driver_lock); |
876c9d3a | 728 | |
7919b89c HS |
729 | i = (priv->resp_idx == 0) ? 1 : 0; |
730 | BUG_ON(priv->resp_len[i]); | |
731 | priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN); | |
732 | memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN, | |
733 | priv->resp_len[i]); | |
876c9d3a | 734 | kfree_skb(skb); |
7919b89c HS |
735 | lbs_notify_command_response(priv, i); |
736 | ||
aa21c004 | 737 | spin_unlock(&priv->driver_lock); |
876c9d3a | 738 | |
9012b28a | 739 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 740 | "Wake up main thread to handle cmd response\n"); |
876c9d3a MT |
741 | } |
742 | ||
743 | /** | |
8973a6e7 RD |
744 | * if_usb_receive - read the packet into the upload buffer, |
745 | * wake up the main thread and initialise the Rx callack | |
876c9d3a | 746 | * |
8973a6e7 RD |
747 | * @urb: pointer to &struct urb |
748 | * returns: N/A | |
876c9d3a MT |
749 | */ |
750 | static void if_usb_receive(struct urb *urb) | |
751 | { | |
eae86bf3 DW |
752 | struct if_usb_card *cardp = urb->context; |
753 | struct sk_buff *skb = cardp->rx_skb; | |
69f9032d | 754 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 755 | int recvlength = urb->actual_length; |
eae86bf3 DW |
756 | uint8_t *recvbuff = NULL; |
757 | uint32_t recvtype = 0; | |
758 | __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
7919b89c | 759 | uint32_t event; |
876c9d3a | 760 | |
9012b28a | 761 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
762 | |
763 | if (recvlength) { | |
764 | if (urb->status) { | |
eae86bf3 DW |
765 | lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n", |
766 | urb->status); | |
876c9d3a MT |
767 | kfree_skb(skb); |
768 | goto setup_for_next; | |
769 | } | |
770 | ||
771 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
eae86bf3 | 772 | recvtype = le32_to_cpu(pkt[0]); |
9012b28a | 773 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
774 | "Recv length = 0x%x, Recv type = 0x%X\n", |
775 | recvlength, recvtype); | |
77d8cf2c DW |
776 | } else if (urb->status) { |
777 | kfree_skb(skb); | |
876c9d3a | 778 | goto rx_exit; |
77d8cf2c | 779 | } |
876c9d3a | 780 | |
876c9d3a MT |
781 | switch (recvtype) { |
782 | case CMD_TYPE_DATA: | |
783 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
784 | break; | |
785 | ||
786 | case CMD_TYPE_REQUEST: | |
787 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
788 | break; | |
789 | ||
790 | case CMD_TYPE_INDICATION: | |
7919b89c HS |
791 | /* Event handling */ |
792 | event = le32_to_cpu(pkt[1]); | |
793 | lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event); | |
794 | kfree_skb(skb); | |
eae86bf3 | 795 | |
7919b89c HS |
796 | /* Icky undocumented magic special case */ |
797 | if (event & 0xffff0000) { | |
798 | u32 trycount = (event & 0xffff0000) >> 16; | |
eae86bf3 | 799 | |
7919b89c HS |
800 | lbs_send_tx_feedback(priv, trycount); |
801 | } else | |
802 | lbs_queue_event(priv, event & 0xFF); | |
803 | break; | |
eae86bf3 | 804 | |
876c9d3a | 805 | default: |
8362cd41 | 806 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
eae86bf3 | 807 | recvtype); |
876c9d3a MT |
808 | kfree_skb(skb); |
809 | break; | |
810 | } | |
811 | ||
812 | setup_for_next: | |
954ee164 | 813 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 814 | rx_exit: |
9012b28a | 815 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
816 | } |
817 | ||
818 | /** | |
8973a6e7 RD |
819 | * if_usb_host_to_card - downloads data to FW |
820 | * @priv: pointer to &struct lbs_private structure | |
821 | * @type: type of data | |
822 | * @payload: pointer to data buffer | |
823 | * @nb: number of bytes | |
824 | * returns: 0 for success or negative error code | |
876c9d3a | 825 | */ |
eae86bf3 DW |
826 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
827 | uint8_t *payload, uint16_t nb) | |
876c9d3a | 828 | { |
eae86bf3 | 829 | struct if_usb_card *cardp = priv->card; |
876c9d3a | 830 | |
9012b28a HS |
831 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
832 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
833 | |
834 | if (type == MVMS_CMD) { | |
eae86bf3 | 835 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 836 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a | 837 | } else { |
eae86bf3 | 838 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 839 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
840 | } |
841 | ||
eae86bf3 | 842 | memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb); |
876c9d3a | 843 | |
eae86bf3 | 844 | return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
845 | } |
846 | ||
9e22cb67 | 847 | /** |
8973a6e7 RD |
848 | * if_usb_issue_boot_command - issues Boot command to the Boot2 code |
849 | * @cardp: pointer to &if_usb_card | |
850 | * @ivalue: 1:Boot from FW by USB-Download | |
851 | * 2:Boot from FW in EEPROM | |
852 | * returns: 0 for success or negative error code | |
9e22cb67 | 853 | */ |
eae86bf3 | 854 | static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue) |
9e22cb67 | 855 | { |
eae86bf3 | 856 | struct bootcmd *bootcmd = cardp->ep_out_buf; |
9e22cb67 DW |
857 | |
858 | /* Prepare command */ | |
eae86bf3 DW |
859 | bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); |
860 | bootcmd->cmd = ivalue; | |
861 | memset(bootcmd->pad, 0, sizeof(bootcmd->pad)); | |
9e22cb67 DW |
862 | |
863 | /* Issue command */ | |
eae86bf3 | 864 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd)); |
9e22cb67 DW |
865 | |
866 | return 0; | |
867 | } | |
876c9d3a MT |
868 | |
869 | ||
954ee164 | 870 | /** |
8973a6e7 | 871 | * check_fwfile_format - check the validity of Boot2/FW image |
954ee164 | 872 | * |
8973a6e7 RD |
873 | * @data: pointer to image |
874 | * @totlen: image length | |
875 | * returns: 0 (good) or 1 (failure) | |
954ee164 | 876 | */ |
6dfff895 | 877 | static int check_fwfile_format(const uint8_t *data, uint32_t totlen) |
954ee164 | 878 | { |
eae86bf3 DW |
879 | uint32_t bincmd, exit; |
880 | uint32_t blksize, offset, len; | |
954ee164 DW |
881 | int ret; |
882 | ||
883 | ret = 1; | |
884 | exit = len = 0; | |
885 | ||
886 | do { | |
887 | struct fwheader *fwh = (void *)data; | |
888 | ||
889 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
890 | blksize = le32_to_cpu(fwh->datalength); | |
891 | switch (bincmd) { | |
892 | case FW_HAS_DATA_TO_RECV: | |
893 | offset = sizeof(struct fwheader) + blksize; | |
894 | data += offset; | |
895 | len += offset; | |
896 | if (len >= totlen) | |
897 | exit = 1; | |
898 | break; | |
899 | case FW_HAS_LAST_BLOCK: | |
900 | exit = 1; | |
901 | ret = 0; | |
902 | break; | |
903 | default: | |
904 | exit = 1; | |
905 | break; | |
906 | } | |
907 | } while (!exit); | |
908 | ||
909 | if (ret) | |
0e4e06ae | 910 | pr_err("firmware file format check FAIL\n"); |
954ee164 DW |
911 | else |
912 | lbs_deb_fw("firmware file format check PASS\n"); | |
913 | ||
914 | return ret; | |
915 | } | |
916 | ||
917 | ||
1556c0f2 | 918 | /** |
8973a6e7 | 919 | * if_usb_prog_firmware - programs the firmware subject to cmd |
1556c0f2 | 920 | * |
8973a6e7 RD |
921 | * @cardp: the if_usb_card descriptor |
922 | * @fwname: firmware or boot2 image file name | |
923 | * @cmd: either BOOT_CMD_FW_BY_USB, BOOT_CMD_UPDATE_FW, | |
924 | * or BOOT_CMD_UPDATE_BOOT2. | |
925 | * returns: 0 or error code | |
1556c0f2 BC |
926 | */ |
927 | static int if_usb_prog_firmware(struct if_usb_card *cardp, | |
928 | const char *fwname, int cmd) | |
929 | { | |
930 | struct lbs_private *priv = cardp->priv; | |
931 | unsigned long flags, caps; | |
932 | int ret; | |
933 | ||
934 | caps = priv->fwcapinfo; | |
935 | if (((cmd == BOOT_CMD_UPDATE_FW) && !(caps & FW_CAPINFO_FIRMWARE_UPGRADE)) || | |
936 | ((cmd == BOOT_CMD_UPDATE_BOOT2) && !(caps & FW_CAPINFO_BOOT2_UPGRADE))) | |
937 | return -EOPNOTSUPP; | |
938 | ||
939 | /* Ensure main thread is idle. */ | |
940 | spin_lock_irqsave(&priv->driver_lock, flags); | |
941 | while (priv->cur_cmd != NULL || priv->dnld_sent != DNLD_RES_RECEIVED) { | |
942 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
943 | if (wait_event_interruptible(priv->waitq, | |
944 | (priv->cur_cmd == NULL && | |
945 | priv->dnld_sent == DNLD_RES_RECEIVED))) { | |
946 | return -ERESTARTSYS; | |
947 | } | |
948 | spin_lock_irqsave(&priv->driver_lock, flags); | |
949 | } | |
950 | priv->dnld_sent = DNLD_BOOTCMD_SENT; | |
951 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
952 | ||
953 | ret = __if_usb_prog_firmware(cardp, fwname, cmd); | |
954 | ||
955 | spin_lock_irqsave(&priv->driver_lock, flags); | |
956 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
957 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
958 | ||
d2e7b342 | 959 | wake_up(&priv->waitq); |
1556c0f2 BC |
960 | |
961 | return ret; | |
962 | } | |
963 | ||
5cddea81 DW |
964 | /* table of firmware file names */ |
965 | static const struct { | |
966 | u32 model; | |
967 | const char *fwname; | |
968 | } fw_table[] = { | |
969 | { MODEL_8388, "libertas/usb8388_v9.bin" }, | |
970 | { MODEL_8388, "libertas/usb8388_v5.bin" }, | |
971 | { MODEL_8388, "libertas/usb8388.bin" }, | |
972 | { MODEL_8388, "usb8388.bin" }, | |
973 | { MODEL_8682, "libertas/usb8682.bin" } | |
974 | }; | |
975 | ||
976 | static int get_fw(struct if_usb_card *cardp, const char *fwname) | |
977 | { | |
978 | int i; | |
979 | ||
980 | /* Try user-specified firmware first */ | |
981 | if (fwname) | |
982 | return request_firmware(&cardp->fw, fwname, &cardp->udev->dev); | |
983 | ||
984 | /* Otherwise search for firmware to use */ | |
985 | for (i = 0; i < ARRAY_SIZE(fw_table); i++) { | |
986 | if (fw_table[i].model != cardp->model) | |
987 | continue; | |
988 | if (request_firmware(&cardp->fw, fw_table[i].fwname, | |
989 | &cardp->udev->dev) == 0) | |
990 | return 0; | |
991 | } | |
992 | ||
993 | return -ENOENT; | |
994 | } | |
995 | ||
1556c0f2 BC |
996 | static int __if_usb_prog_firmware(struct if_usb_card *cardp, |
997 | const char *fwname, int cmd) | |
876c9d3a | 998 | { |
876c9d3a MT |
999 | int i = 0; |
1000 | static int reset_count = 10; | |
9012b28a | 1001 | int ret = 0; |
876c9d3a | 1002 | |
9012b28a | 1003 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 1004 | |
5cddea81 DW |
1005 | ret = get_fw(cardp, fwname); |
1006 | if (ret) { | |
0e4e06ae | 1007 | pr_err("failed to find firmware (%d)\n", ret); |
954ee164 DW |
1008 | goto done; |
1009 | } | |
1010 | ||
1556c0f2 BC |
1011 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) { |
1012 | ret = -EINVAL; | |
954ee164 | 1013 | goto release_fw; |
1556c0f2 BC |
1014 | } |
1015 | ||
1016 | /* Cancel any pending usb business */ | |
1017 | usb_kill_urb(cardp->rx_urb); | |
1018 | usb_kill_urb(cardp->tx_urb); | |
1019 | ||
1020 | cardp->fwlastblksent = 0; | |
1021 | cardp->fwdnldover = 0; | |
1022 | cardp->totalbytes = 0; | |
1023 | cardp->fwfinalblk = 0; | |
1024 | cardp->bootcmdresp = 0; | |
876c9d3a MT |
1025 | |
1026 | restart: | |
954ee164 | 1027 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a | 1028 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
1556c0f2 | 1029 | ret = -EIO; |
954ee164 | 1030 | goto release_fw; |
876c9d3a MT |
1031 | } |
1032 | ||
876c9d3a MT |
1033 | cardp->bootcmdresp = 0; |
1034 | do { | |
1035 | int j = 0; | |
1036 | i++; | |
1556c0f2 | 1037 | if_usb_issue_boot_command(cardp, cmd); |
876c9d3a MT |
1038 | /* wait for command response */ |
1039 | do { | |
1040 | j++; | |
1041 | msleep_interruptible(100); | |
1042 | } while (cardp->bootcmdresp == 0 && j < 10); | |
1043 | } while (cardp->bootcmdresp == 0 && i < 5); | |
1044 | ||
1556c0f2 BC |
1045 | if (cardp->bootcmdresp == BOOT_CMD_RESP_NOT_SUPPORTED) { |
1046 | /* Return to normal operation */ | |
1047 | ret = -EOPNOTSUPP; | |
1048 | usb_kill_urb(cardp->rx_urb); | |
1049 | usb_kill_urb(cardp->tx_urb); | |
1050 | if (if_usb_submit_rx_urb(cardp) < 0) | |
1051 | ret = -EIO; | |
1052 | goto release_fw; | |
1053 | } else if (cardp->bootcmdresp <= 0) { | |
876c9d3a | 1054 | if (--reset_count >= 0) { |
954ee164 | 1055 | if_usb_reset_device(cardp); |
876c9d3a MT |
1056 | goto restart; |
1057 | } | |
1556c0f2 BC |
1058 | ret = -EIO; |
1059 | goto release_fw; | |
876c9d3a | 1060 | } |
876c9d3a MT |
1061 | |
1062 | i = 0; | |
876c9d3a MT |
1063 | |
1064 | cardp->totalbytes = 0; | |
1065 | cardp->fwlastblksent = 0; | |
1066 | cardp->CRC_OK = 1; | |
1067 | cardp->fwdnldover = 0; | |
1068 | cardp->fwseqnum = -1; | |
1069 | cardp->totalbytes = 0; | |
1070 | cardp->fwfinalblk = 0; | |
1071 | ||
4f82f5c8 DW |
1072 | /* Send the first firmware packet... */ |
1073 | if_usb_send_fw_pkt(cardp); | |
876c9d3a | 1074 | |
4f82f5c8 DW |
1075 | /* ... and wait for the process to complete */ |
1076 | wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); | |
7e226272 | 1077 | |
4f82f5c8 | 1078 | del_timer_sync(&cardp->fw_timeout); |
c9cd6f9d | 1079 | usb_kill_urb(cardp->rx_urb); |
876c9d3a MT |
1080 | |
1081 | if (!cardp->fwdnldover) { | |
0e4e06ae | 1082 | pr_info("failed to load fw, resetting device!\n"); |
876c9d3a | 1083 | if (--reset_count >= 0) { |
954ee164 | 1084 | if_usb_reset_device(cardp); |
876c9d3a MT |
1085 | goto restart; |
1086 | } | |
1087 | ||
0e4e06ae | 1088 | pr_info("FW download failure, time = %d ms\n", i * 100); |
1556c0f2 | 1089 | ret = -EIO; |
954ee164 | 1090 | goto release_fw; |
876c9d3a MT |
1091 | } |
1092 | ||
eae86bf3 | 1093 | release_fw: |
954ee164 DW |
1094 | release_firmware(cardp->fw); |
1095 | cardp->fw = NULL; | |
876c9d3a | 1096 | |
eae86bf3 | 1097 | done: |
9012b28a HS |
1098 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
1099 | return ret; | |
876c9d3a MT |
1100 | } |
1101 | ||
1df4e8fe | 1102 | |
876c9d3a MT |
1103 | #ifdef CONFIG_PM |
1104 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
1105 | { | |
eae86bf3 | 1106 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 1107 | struct lbs_private *priv = cardp->priv; |
d1f7a5b8 | 1108 | int ret; |
876c9d3a | 1109 | |
9012b28a | 1110 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 1111 | |
aa21c004 | 1112 | if (priv->psstate != PS_STATE_FULL_POWER) |
876c9d3a MT |
1113 | return -1; |
1114 | ||
dfb72c4f DD |
1115 | #ifdef CONFIG_OLPC |
1116 | if (machine_is_olpc()) { | |
1117 | if (priv->wol_criteria == EHS_REMOVE_WAKEUP) | |
1118 | olpc_ec_wakeup_clear(EC_SCI_SRC_WLAN); | |
1119 | else | |
1120 | olpc_ec_wakeup_set(EC_SCI_SRC_WLAN); | |
1121 | } | |
1122 | #endif | |
1123 | ||
d1f7a5b8 DW |
1124 | ret = lbs_suspend(priv); |
1125 | if (ret) | |
1126 | goto out; | |
876c9d3a MT |
1127 | |
1128 | /* Unlink tx & rx urb */ | |
1129 | usb_kill_urb(cardp->tx_urb); | |
1130 | usb_kill_urb(cardp->rx_urb); | |
1131 | ||
d1f7a5b8 | 1132 | out: |
9012b28a | 1133 | lbs_deb_leave(LBS_DEB_USB); |
d1f7a5b8 | 1134 | return ret; |
876c9d3a MT |
1135 | } |
1136 | ||
1137 | static int if_usb_resume(struct usb_interface *intf) | |
1138 | { | |
eae86bf3 | 1139 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 1140 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 1141 | |
9012b28a | 1142 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 1143 | |
6bc822b5 | 1144 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 1145 | |
d1f7a5b8 | 1146 | lbs_resume(priv); |
876c9d3a | 1147 | |
9012b28a | 1148 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
1149 | return 0; |
1150 | } | |
1151 | #else | |
1152 | #define if_usb_suspend NULL | |
1153 | #define if_usb_resume NULL | |
1154 | #endif | |
1155 | ||
1156 | static struct usb_driver if_usb_driver = { | |
798fbfec | 1157 | .name = DRV_NAME, |
876c9d3a | 1158 | .probe = if_usb_probe, |
876c9d3a | 1159 | .disconnect = if_usb_disconnect, |
876c9d3a MT |
1160 | .id_table = if_usb_table, |
1161 | .suspend = if_usb_suspend, | |
1162 | .resume = if_usb_resume, | |
7b58ccfe | 1163 | .reset_resume = if_usb_resume, |
876c9d3a MT |
1164 | }; |
1165 | ||
4fb910fd | 1166 | static int __init if_usb_init_module(void) |
876c9d3a | 1167 | { |
084708b6 | 1168 | int ret = 0; |
876c9d3a | 1169 | |
084708b6 HS |
1170 | lbs_deb_enter(LBS_DEB_MAIN); |
1171 | ||
084708b6 HS |
1172 | ret = usb_register(&if_usb_driver); |
1173 | ||
1174 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1175 | return ret; | |
876c9d3a MT |
1176 | } |
1177 | ||
4fb910fd | 1178 | static void __exit if_usb_exit_module(void) |
876c9d3a | 1179 | { |
084708b6 HS |
1180 | lbs_deb_enter(LBS_DEB_MAIN); |
1181 | ||
876c9d3a | 1182 | usb_deregister(&if_usb_driver); |
084708b6 HS |
1183 | |
1184 | lbs_deb_leave(LBS_DEB_MAIN); | |
876c9d3a | 1185 | } |
084708b6 HS |
1186 | |
1187 | module_init(if_usb_init_module); | |
1188 | module_exit(if_usb_exit_module); | |
1189 | ||
1190 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
eae86bf3 | 1191 | MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc."); |
084708b6 | 1192 | MODULE_LICENSE("GPL"); |