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> |
ac5c24e9 | 8 | #include <linux/module.h> |
876c9d3a MT |
9 | #include <linux/firmware.h> |
10 | #include <linux/netdevice.h> | |
5a0e3ad6 | 11 | #include <linux/slab.h> |
876c9d3a | 12 | #include <linux/usb.h> |
3bf9428f | 13 | #include <linux/olpc-ec.h> |
876c9d3a | 14 | |
b77ec4ca DW |
15 | #ifdef CONFIG_OLPC |
16 | #include <asm/olpc.h> | |
17 | #endif | |
18 | ||
ec3eef28 HS |
19 | #define DRV_NAME "usb8xxx" |
20 | ||
876c9d3a | 21 | #include "host.h" |
876c9d3a MT |
22 | #include "decl.h" |
23 | #include "defs.h" | |
24 | #include "dev.h" | |
14e865ba | 25 | #include "cmd.h" |
876c9d3a MT |
26 | #include "if_usb.h" |
27 | ||
eae86bf3 DW |
28 | #define INSANEDEBUG 0 |
29 | #define lbs_deb_usb2(...) do { if (INSANEDEBUG) lbs_deb_usbd(__VA_ARGS__); } while (0) | |
30 | ||
876c9d3a MT |
31 | #define MESSAGE_HEADER_LEN 4 |
32 | ||
5cddea81 DW |
33 | MODULE_FIRMWARE("libertas/usb8388_v9.bin"); |
34 | MODULE_FIRMWARE("libertas/usb8388_v5.bin"); | |
35 | MODULE_FIRMWARE("libertas/usb8388.bin"); | |
36 | MODULE_FIRMWARE("libertas/usb8682.bin"); | |
a974a4bb BH |
37 | MODULE_FIRMWARE("usb8388.bin"); |
38 | ||
5cddea81 DW |
39 | enum { |
40 | MODEL_UNKNOWN = 0x0, | |
41 | MODEL_8388 = 0x1, | |
42 | MODEL_8682 = 0x2 | |
43 | }; | |
44 | ||
ce84bb69 DD |
45 | /* table of firmware file names */ |
46 | static const struct lbs_fw_table fw_table[] = { | |
47 | { MODEL_8388, "libertas/usb8388_olpc.bin", NULL }, | |
48 | { MODEL_8388, "libertas/usb8388_v9.bin", NULL }, | |
49 | { MODEL_8388, "libertas/usb8388_v5.bin", NULL }, | |
50 | { MODEL_8388, "libertas/usb8388.bin", NULL }, | |
51 | { MODEL_8388, "usb8388.bin", NULL }, | |
52 | { MODEL_8682, "libertas/usb8682.bin", NULL } | |
53 | }; | |
54 | ||
876c9d3a MT |
55 | static struct usb_device_id if_usb_table[] = { |
56 | /* Enter the device signature inside */ | |
5cddea81 DW |
57 | { USB_DEVICE(0x1286, 0x2001), .driver_info = MODEL_8388 }, |
58 | { USB_DEVICE(0x05a3, 0x8388), .driver_info = MODEL_8388 }, | |
876c9d3a MT |
59 | {} /* Terminating entry */ |
60 | }; | |
61 | ||
62 | MODULE_DEVICE_TABLE(usb, if_usb_table); | |
63 | ||
64 | static void if_usb_receive(struct urb *urb); | |
65 | static void if_usb_receive_fwload(struct urb *urb); | |
ce84bb69 DD |
66 | static void if_usb_prog_firmware(struct lbs_private *priv, int ret, |
67 | const struct firmware *fw, | |
68 | const struct firmware *unused); | |
eae86bf3 DW |
69 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
70 | uint8_t *payload, uint16_t nb); | |
eae86bf3 DW |
71 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, |
72 | uint16_t nb); | |
73 | static void if_usb_free(struct if_usb_card *cardp); | |
74 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp); | |
75 | static int if_usb_reset_device(struct if_usb_card *cardp); | |
876c9d3a MT |
76 | |
77 | /** | |
8973a6e7 RD |
78 | * if_usb_write_bulk_callback - callback function to handle the status |
79 | * of the URB | |
80 | * @urb: pointer to &urb structure | |
81 | * returns: N/A | |
876c9d3a MT |
82 | */ |
83 | static void if_usb_write_bulk_callback(struct urb *urb) | |
84 | { | |
eae86bf3 | 85 | struct if_usb_card *cardp = (struct if_usb_card *) urb->context; |
876c9d3a MT |
86 | |
87 | /* handle the transmission complete validations */ | |
88 | ||
954ee164 | 89 | if (urb->status == 0) { |
69f9032d | 90 | struct lbs_private *priv = cardp->priv; |
954ee164 | 91 | |
eae86bf3 DW |
92 | lbs_deb_usb2(&urb->dev->dev, "URB status is successful\n"); |
93 | lbs_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n", | |
94 | urb->actual_length); | |
954ee164 | 95 | |
1556c0f2 BC |
96 | /* Boot commands such as UPDATE_FW and UPDATE_BOOT2 are not |
97 | * passed up to the lbs level. | |
954ee164 | 98 | */ |
1556c0f2 | 99 | if (priv && priv->dnld_sent != DNLD_BOOTCMD_SENT) |
e775ed7c | 100 | lbs_host_to_card_done(priv); |
954ee164 DW |
101 | } else { |
102 | /* print the failure status number for debug */ | |
0e4e06ae | 103 | pr_info("URB in failure status: %d\n", urb->status); |
876c9d3a | 104 | } |
876c9d3a MT |
105 | } |
106 | ||
107 | /** | |
8973a6e7 RD |
108 | * if_usb_free - free tx/rx urb, skb and rx buffer |
109 | * @cardp: pointer to &if_usb_card | |
110 | * returns: N/A | |
876c9d3a | 111 | */ |
eae86bf3 | 112 | static void if_usb_free(struct if_usb_card *cardp) |
876c9d3a | 113 | { |
9012b28a | 114 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
115 | |
116 | /* Unlink tx & rx urb */ | |
117 | usb_kill_urb(cardp->tx_urb); | |
118 | usb_kill_urb(cardp->rx_urb); | |
119 | ||
120 | usb_free_urb(cardp->tx_urb); | |
121 | cardp->tx_urb = NULL; | |
122 | ||
123 | usb_free_urb(cardp->rx_urb); | |
124 | cardp->rx_urb = NULL; | |
125 | ||
eae86bf3 DW |
126 | kfree(cardp->ep_out_buf); |
127 | cardp->ep_out_buf = NULL; | |
876c9d3a | 128 | |
9012b28a | 129 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
130 | } |
131 | ||
4694961c | 132 | static void if_usb_setup_firmware(struct lbs_private *priv) |
04c80f1a | 133 | { |
4365929d | 134 | struct if_usb_card *cardp = priv->card; |
04c80f1a | 135 | struct cmd_ds_set_boot2_ver b2_cmd; |
4694961c | 136 | struct cmd_ds_802_11_fw_wake_method wake_method; |
04c80f1a | 137 | |
9fae899c | 138 | b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd)); |
04c80f1a | 139 | b2_cmd.action = 0; |
4365929d | 140 | b2_cmd.version = cardp->boot2_version; |
04c80f1a | 141 | |
b23b2061 | 142 | if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd)) |
04c80f1a | 143 | lbs_deb_usb("Setting boot2 version failed\n"); |
4694961c DW |
144 | |
145 | priv->wol_gpio = 2; /* Wake via GPIO2... */ | |
146 | priv->wol_gap = 20; /* ... after 20ms */ | |
582c1b53 AN |
147 | lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA, |
148 | (struct wol_config *) NULL); | |
4694961c DW |
149 | |
150 | wake_method.hdr.size = cpu_to_le16(sizeof(wake_method)); | |
151 | wake_method.action = cpu_to_le16(CMD_ACT_GET); | |
152 | if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) { | |
f3a57fd1 | 153 | netdev_info(priv->dev, "Firmware does not seem to support PS mode\n"); |
e0d6133c | 154 | priv->fwcapinfo &= ~FW_CAPINFO_PS; |
4694961c DW |
155 | } else { |
156 | if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) { | |
157 | lbs_deb_usb("Firmware seems to support PS with wake-via-command\n"); | |
4694961c DW |
158 | } else { |
159 | /* The versions which boot up this way don't seem to | |
160 | work even if we set it to the command interrupt */ | |
e0d6133c | 161 | priv->fwcapinfo &= ~FW_CAPINFO_PS; |
f3a57fd1 JP |
162 | netdev_info(priv->dev, |
163 | "Firmware doesn't wake via command interrupt; disabling PS mode\n"); | |
4694961c DW |
164 | } |
165 | } | |
04c80f1a DW |
166 | } |
167 | ||
2fd6cfe3 | 168 | static void if_usb_fw_timeo(unsigned long priv) |
4f82f5c8 | 169 | { |
eae86bf3 | 170 | struct if_usb_card *cardp = (void *)priv; |
04c80f1a | 171 | |
4f82f5c8 DW |
172 | if (cardp->fwdnldover) { |
173 | lbs_deb_usb("Download complete, no event. Assuming success\n"); | |
174 | } else { | |
0e4e06ae | 175 | pr_err("Download timed out\n"); |
4f82f5c8 DW |
176 | cardp->surprise_removed = 1; |
177 | } | |
178 | wake_up(&cardp->fw_wq); | |
179 | } | |
eae86bf3 | 180 | |
b77ec4ca DW |
181 | #ifdef CONFIG_OLPC |
182 | static void if_usb_reset_olpc_card(struct lbs_private *priv) | |
183 | { | |
184 | printk(KERN_CRIT "Resetting OLPC wireless via EC...\n"); | |
185 | olpc_ec_cmd(0x25, NULL, 0, NULL, 0); | |
186 | } | |
187 | #endif | |
188 | ||
876c9d3a | 189 | /** |
8973a6e7 RD |
190 | * if_usb_probe - sets the configuration values |
191 | * @intf: &usb_interface pointer | |
192 | * @id: pointer to usb_device_id | |
193 | * returns: 0 on success, error code on failure | |
876c9d3a MT |
194 | */ |
195 | static int if_usb_probe(struct usb_interface *intf, | |
196 | const struct usb_device_id *id) | |
197 | { | |
198 | struct usb_device *udev; | |
199 | struct usb_host_interface *iface_desc; | |
200 | struct usb_endpoint_descriptor *endpoint; | |
69f9032d | 201 | struct lbs_private *priv; |
eae86bf3 | 202 | struct if_usb_card *cardp; |
ce84bb69 | 203 | int r = -ENOMEM; |
876c9d3a MT |
204 | int i; |
205 | ||
206 | udev = interface_to_usbdev(intf); | |
207 | ||
eae86bf3 | 208 | cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL); |
e404decb | 209 | if (!cardp) |
876c9d3a | 210 | goto error; |
876c9d3a | 211 | |
4f82f5c8 DW |
212 | setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp); |
213 | init_waitqueue_head(&cardp->fw_wq); | |
7e226272 | 214 | |
435a1acb | 215 | cardp->udev = udev; |
5cddea81 | 216 | cardp->model = (uint32_t) id->driver_info; |
876c9d3a MT |
217 | iface_desc = intf->cur_altsetting; |
218 | ||
9012b28a | 219 | lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" |
eae86bf3 | 220 | " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", |
981f187b DW |
221 | le16_to_cpu(udev->descriptor.bcdUSB), |
222 | udev->descriptor.bDeviceClass, | |
223 | udev->descriptor.bDeviceSubClass, | |
224 | udev->descriptor.bDeviceProtocol); | |
876c9d3a MT |
225 | |
226 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
227 | endpoint = &iface_desc->endpoint[i].desc; | |
eae86bf3 DW |
228 | if (usb_endpoint_is_bulk_in(endpoint)) { |
229 | cardp->ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
230 | cardp->ep_in = usb_endpoint_num(endpoint); | |
876c9d3a | 231 | |
eae86bf3 DW |
232 | lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in); |
233 | lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size); | |
876c9d3a | 234 | |
eae86bf3 DW |
235 | } else if (usb_endpoint_is_bulk_out(endpoint)) { |
236 | cardp->ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize); | |
237 | cardp->ep_out = usb_endpoint_num(endpoint); | |
238 | ||
239 | lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out); | |
240 | lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size); | |
876c9d3a MT |
241 | } |
242 | } | |
eae86bf3 DW |
243 | if (!cardp->ep_out_size || !cardp->ep_in_size) { |
244 | lbs_deb_usbd(&udev->dev, "Endpoints not found\n"); | |
245 | goto dealloc; | |
246 | } | |
247 | if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
248 | lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n"); | |
249 | goto dealloc; | |
250 | } | |
251 | if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { | |
252 | lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n"); | |
253 | goto dealloc; | |
254 | } | |
255 | cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL); | |
256 | if (!cardp->ep_out_buf) { | |
257 | lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n"); | |
258 | goto dealloc; | |
259 | } | |
876c9d3a | 260 | |
8e92f2ac | 261 | if (!(priv = lbs_add_card(cardp, &intf->dev))) |
ce84bb69 | 262 | goto err_add_card; |
3874d0fe | 263 | |
954ee164 | 264 | cardp->priv = priv; |
965f8bbc | 265 | |
208fdd2f | 266 | priv->hw_host_to_card = if_usb_host_to_card; |
49125454 AK |
267 | priv->enter_deep_sleep = NULL; |
268 | priv->exit_deep_sleep = NULL; | |
269 | priv->reset_deep_sleep_wakeup = NULL; | |
b77ec4ca DW |
270 | #ifdef CONFIG_OLPC |
271 | if (machine_is_olpc()) | |
272 | priv->reset_card = if_usb_reset_olpc_card; | |
273 | #endif | |
274 | ||
4365929d | 275 | cardp->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 276 | |
876c9d3a | 277 | usb_get_dev(udev); |
435a1acb | 278 | usb_set_intfdata(intf, cardp); |
876c9d3a | 279 | |
ce84bb69 DD |
280 | r = lbs_get_firmware_async(priv, &udev->dev, cardp->model, |
281 | fw_table, if_usb_prog_firmware); | |
282 | if (r) | |
283 | goto err_get_fw; | |
ae63a33e | 284 | |
876c9d3a MT |
285 | return 0; |
286 | ||
ce84bb69 | 287 | err_get_fw: |
10078321 | 288 | lbs_remove_card(priv); |
ce84bb69 | 289 | err_add_card: |
954ee164 | 290 | if_usb_reset_device(cardp); |
876c9d3a | 291 | dealloc: |
435a1acb | 292 | if_usb_free(cardp); |
876c9d3a MT |
293 | |
294 | error: | |
ce84bb69 | 295 | return r; |
876c9d3a MT |
296 | } |
297 | ||
298 | /** | |
8973a6e7 RD |
299 | * if_usb_disconnect - free resource and cleanup |
300 | * @intf: USB interface structure | |
301 | * returns: N/A | |
876c9d3a MT |
302 | */ |
303 | static void if_usb_disconnect(struct usb_interface *intf) | |
304 | { | |
eae86bf3 | 305 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
2c208890 | 306 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 307 | |
954ee164 | 308 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 309 | |
954ee164 | 310 | cardp->surprise_removed = 1; |
876c9d3a | 311 | |
954ee164 | 312 | if (priv) { |
10078321 | 313 | lbs_stop_card(priv); |
10078321 | 314 | lbs_remove_card(priv); |
954ee164 | 315 | } |
876c9d3a MT |
316 | |
317 | /* Unlink and free urb */ | |
318 | if_usb_free(cardp); | |
319 | ||
320 | usb_set_intfdata(intf, NULL); | |
321 | usb_put_dev(interface_to_usbdev(intf)); | |
322 | ||
954ee164 | 323 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
324 | } |
325 | ||
326 | /** | |
8973a6e7 RD |
327 | * if_usb_send_fw_pkt - download FW |
328 | * @cardp: pointer to &struct if_usb_card | |
329 | * returns: 0 | |
876c9d3a | 330 | */ |
eae86bf3 | 331 | static int if_usb_send_fw_pkt(struct if_usb_card *cardp) |
876c9d3a | 332 | { |
eae86bf3 | 333 | struct fwdata *fwdata = cardp->ep_out_buf; |
6dfff895 | 334 | const uint8_t *firmware = cardp->fw->data; |
876c9d3a | 335 | |
eae86bf3 DW |
336 | /* If we got a CRC failure on the last block, back |
337 | up and retry it */ | |
876c9d3a MT |
338 | if (!cardp->CRC_OK) { |
339 | cardp->totalbytes = cardp->fwlastblksent; | |
eae86bf3 | 340 | cardp->fwseqnum--; |
876c9d3a MT |
341 | } |
342 | ||
eae86bf3 DW |
343 | lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n", |
344 | cardp->totalbytes); | |
876c9d3a | 345 | |
eae86bf3 DW |
346 | /* struct fwdata (which we sent to the card) has an |
347 | extra __le32 field in between the header and the data, | |
348 | which is not in the struct fwheader in the actual | |
349 | firmware binary. Insert the seqnum in the middle... */ | |
350 | memcpy(&fwdata->hdr, &firmware[cardp->totalbytes], | |
876c9d3a MT |
351 | sizeof(struct fwheader)); |
352 | ||
353 | cardp->fwlastblksent = cardp->totalbytes; | |
354 | cardp->totalbytes += sizeof(struct fwheader); | |
355 | ||
876c9d3a | 356 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
eae86bf3 | 357 | le32_to_cpu(fwdata->hdr.datalength)); |
876c9d3a | 358 | |
eae86bf3 DW |
359 | lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n", |
360 | le32_to_cpu(fwdata->hdr.datalength)); | |
876c9d3a | 361 | |
eae86bf3 DW |
362 | fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum); |
363 | cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength); | |
876c9d3a | 364 | |
eae86bf3 DW |
365 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) + |
366 | le32_to_cpu(fwdata->hdr.datalength)); | |
367 | ||
368 | if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { | |
369 | lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n"); | |
370 | lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n", | |
371 | cardp->fwseqnum, cardp->totalbytes); | |
372 | } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { | |
373 | lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n"); | |
374 | lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n"); | |
876c9d3a | 375 | |
876c9d3a MT |
376 | cardp->fwfinalblk = 1; |
377 | } | |
378 | ||
eae86bf3 DW |
379 | lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n", |
380 | cardp->totalbytes); | |
876c9d3a MT |
381 | |
382 | return 0; | |
383 | } | |
384 | ||
eae86bf3 | 385 | static int if_usb_reset_device(struct if_usb_card *cardp) |
876c9d3a | 386 | { |
0bb64087 | 387 | struct cmd_header *cmd = cardp->ep_out_buf + 4; |
876c9d3a | 388 | int ret; |
876c9d3a | 389 | |
3874d0fe HS |
390 | lbs_deb_enter(LBS_DEB_USB); |
391 | ||
eae86bf3 | 392 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
6d35fdfc DW |
393 | |
394 | cmd->command = cpu_to_le16(CMD_802_11_RESET); | |
0bb64087 | 395 | cmd->size = cpu_to_le16(sizeof(cmd)); |
6d35fdfc DW |
396 | cmd->result = cpu_to_le16(0); |
397 | cmd->seqnum = cpu_to_le16(0x5a5a); | |
f8e77cae | 398 | usb_tx_block(cardp, cardp->ep_out_buf, 4 + sizeof(struct cmd_header)); |
6d35fdfc | 399 | |
c8ba39d0 | 400 | msleep(100); |
876c9d3a | 401 | ret = usb_reset_device(cardp->udev); |
c8ba39d0 | 402 | msleep(100); |
3874d0fe | 403 | |
b77ec4ca DW |
404 | #ifdef CONFIG_OLPC |
405 | if (ret && machine_is_olpc()) | |
406 | if_usb_reset_olpc_card(NULL); | |
407 | #endif | |
408 | ||
3874d0fe HS |
409 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
410 | ||
876c9d3a MT |
411 | return ret; |
412 | } | |
413 | ||
414 | /** | |
8973a6e7 RD |
415 | * usb_tx_block - transfer the data to the device |
416 | * @cardp: pointer to &struct if_usb_card | |
417 | * @payload: pointer to payload data | |
418 | * @nb: data length | |
419 | * returns: 0 for success or negative error code | |
876c9d3a | 420 | */ |
eae86bf3 | 421 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb) |
876c9d3a | 422 | { |
4f329c04 | 423 | int ret; |
876c9d3a MT |
424 | |
425 | /* check if device is removed */ | |
954ee164 | 426 | if (cardp->surprise_removed) { |
9012b28a | 427 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
4f329c04 | 428 | ret = -ENODEV; |
876c9d3a MT |
429 | goto tx_ret; |
430 | } | |
431 | ||
432 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
433 | usb_sndbulkpipe(cardp->udev, | |
eae86bf3 | 434 | cardp->ep_out), |
954ee164 | 435 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
436 | |
437 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
438 | ||
439 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
0856e681 | 440 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
876c9d3a | 441 | } else { |
eae86bf3 | 442 | lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n"); |
876c9d3a MT |
443 | ret = 0; |
444 | } | |
445 | ||
446 | tx_ret: | |
447 | return ret; | |
448 | } | |
449 | ||
eae86bf3 | 450 | static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, |
954ee164 | 451 | void (*callbackfn)(struct urb *urb)) |
876c9d3a | 452 | { |
876c9d3a | 453 | struct sk_buff *skb; |
876c9d3a MT |
454 | int ret = -1; |
455 | ||
456 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
0e4e06ae | 457 | pr_err("No free skb\n"); |
876c9d3a MT |
458 | goto rx_ret; |
459 | } | |
460 | ||
eae86bf3 | 461 | cardp->rx_skb = skb; |
876c9d3a MT |
462 | |
463 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
464 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
eae86bf3 | 465 | usb_rcvbulkpipe(cardp->udev, cardp->ep_in), |
e9024a05 | 466 | skb->data + IPFIELD_ALIGN_OFFSET, |
876c9d3a | 467 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
eae86bf3 | 468 | cardp); |
876c9d3a MT |
469 | |
470 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
471 | ||
eae86bf3 | 472 | lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); |
876c9d3a | 473 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
0856e681 | 474 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
77d8cf2c | 475 | kfree_skb(skb); |
eae86bf3 | 476 | cardp->rx_skb = NULL; |
876c9d3a MT |
477 | ret = -1; |
478 | } else { | |
eae86bf3 | 479 | lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n"); |
876c9d3a MT |
480 | ret = 0; |
481 | } | |
482 | ||
483 | rx_ret: | |
484 | return ret; | |
485 | } | |
486 | ||
eae86bf3 | 487 | static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp) |
876c9d3a | 488 | { |
954ee164 | 489 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
490 | } |
491 | ||
eae86bf3 | 492 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp) |
876c9d3a | 493 | { |
954ee164 | 494 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
495 | } |
496 | ||
497 | static void if_usb_receive_fwload(struct urb *urb) | |
498 | { | |
eae86bf3 DW |
499 | struct if_usb_card *cardp = urb->context; |
500 | struct sk_buff *skb = cardp->rx_skb; | |
876c9d3a | 501 | struct fwsyncheader *syncfwheader; |
eae86bf3 | 502 | struct bootcmdresp bootcmdresp; |
876c9d3a MT |
503 | |
504 | if (urb->status) { | |
9012b28a | 505 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 506 | "URB status is failed during fw load\n"); |
876c9d3a MT |
507 | kfree_skb(skb); |
508 | return; | |
509 | } | |
510 | ||
c9cd6f9d DW |
511 | if (cardp->fwdnldover) { |
512 | __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
513 | ||
514 | if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && | |
515 | tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { | |
0e4e06ae | 516 | pr_info("Firmware ready event received\n"); |
c9cd6f9d DW |
517 | wake_up(&cardp->fw_wq); |
518 | } else { | |
eae86bf3 DW |
519 | lbs_deb_usb("Waiting for confirmation; got %x %x\n", |
520 | le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1])); | |
c9cd6f9d DW |
521 | if_usb_submit_rx_urb_fwload(cardp); |
522 | } | |
523 | kfree_skb(skb); | |
524 | return; | |
525 | } | |
c8ba39d0 | 526 | if (cardp->bootcmdresp <= 0) { |
876c9d3a MT |
527 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, |
528 | sizeof(bootcmdresp)); | |
eae86bf3 | 529 | |
981f187b | 530 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 531 | kfree_skb(skb); |
954ee164 | 532 | if_usb_submit_rx_urb_fwload(cardp); |
1556c0f2 | 533 | cardp->bootcmdresp = BOOT_CMD_RESP_OK; |
9012b28a | 534 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 535 | "Received valid boot command response\n"); |
876c9d3a MT |
536 | return; |
537 | } | |
eae86bf3 DW |
538 | if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
539 | if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) || | |
540 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) || | |
541 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) { | |
c9cd6f9d | 542 | if (!cardp->bootcmdresp) |
0e4e06ae | 543 | pr_info("Firmware already seems alive; resetting\n"); |
6d35fdfc DW |
544 | cardp->bootcmdresp = -1; |
545 | } else { | |
0e4e06ae | 546 | pr_info("boot cmd response wrong magic number (0x%x)\n", |
eae86bf3 | 547 | le32_to_cpu(bootcmdresp.magic)); |
6d35fdfc | 548 | } |
1556c0f2 BC |
549 | } else if ((bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) && |
550 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_FW) && | |
551 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_BOOT2)) { | |
0e4e06ae JP |
552 | pr_info("boot cmd response cmd_tag error (%d)\n", |
553 | bootcmdresp.cmd); | |
eae86bf3 | 554 | } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) { |
0e4e06ae JP |
555 | pr_info("boot cmd response result error (%d)\n", |
556 | bootcmdresp.result); | |
876c9d3a MT |
557 | } else { |
558 | cardp->bootcmdresp = 1; | |
9012b28a | 559 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 560 | "Received valid boot command response\n"); |
876c9d3a MT |
561 | } |
562 | kfree_skb(skb); | |
954ee164 | 563 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
564 | return; |
565 | } | |
566 | ||
731a9b2a JL |
567 | syncfwheader = kmemdup(skb->data + IPFIELD_ALIGN_OFFSET, |
568 | sizeof(struct fwsyncheader), GFP_ATOMIC); | |
876c9d3a | 569 | if (!syncfwheader) { |
9012b28a | 570 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
571 | kfree_skb(skb); |
572 | return; | |
573 | } | |
574 | ||
876c9d3a | 575 | if (!syncfwheader->cmd) { |
eae86bf3 DW |
576 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n"); |
577 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n", | |
578 | le32_to_cpu(syncfwheader->seqnum)); | |
876c9d3a MT |
579 | cardp->CRC_OK = 1; |
580 | } else { | |
eae86bf3 | 581 | lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n"); |
876c9d3a MT |
582 | cardp->CRC_OK = 0; |
583 | } | |
584 | ||
585 | kfree_skb(skb); | |
586 | ||
1556c0f2 BC |
587 | /* Give device 5s to either write firmware to its RAM or eeprom */ |
588 | mod_timer(&cardp->fw_timeout, jiffies + (HZ*5)); | |
4f82f5c8 | 589 | |
876c9d3a MT |
590 | if (cardp->fwfinalblk) { |
591 | cardp->fwdnldover = 1; | |
592 | goto exit; | |
593 | } | |
594 | ||
4f82f5c8 | 595 | if_usb_send_fw_pkt(cardp); |
876c9d3a | 596 | |
4f82f5c8 | 597 | exit: |
c9cd6f9d DW |
598 | if_usb_submit_rx_urb_fwload(cardp); |
599 | ||
876c9d3a | 600 | kfree(syncfwheader); |
876c9d3a MT |
601 | } |
602 | ||
603 | #define MRVDRV_MIN_PKT_LEN 30 | |
604 | ||
605 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
eae86bf3 | 606 | struct if_usb_card *cardp, |
69f9032d | 607 | struct lbs_private *priv) |
876c9d3a | 608 | { |
eae86bf3 DW |
609 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN |
610 | || recvlength < MRVDRV_MIN_PKT_LEN) { | |
611 | lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n"); | |
876c9d3a MT |
612 | kfree_skb(skb); |
613 | return; | |
614 | } | |
615 | ||
616 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
617 | skb_put(skb, recvlength); | |
618 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
eae86bf3 | 619 | |
10078321 | 620 | lbs_process_rxed_packet(priv, skb); |
876c9d3a MT |
621 | } |
622 | ||
eae86bf3 | 623 | static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, |
876c9d3a | 624 | struct sk_buff *skb, |
eae86bf3 | 625 | struct if_usb_card *cardp, |
69f9032d | 626 | struct lbs_private *priv) |
876c9d3a | 627 | { |
7919b89c HS |
628 | u8 i; |
629 | ||
ddac4526 | 630 | if (recvlength > LBS_CMD_BUFFER_SIZE) { |
9012b28a | 631 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 632 | "The receive buffer is too large\n"); |
876c9d3a MT |
633 | kfree_skb(skb); |
634 | return; | |
635 | } | |
636 | ||
0ee904c3 | 637 | BUG_ON(!in_interrupt()); |
876c9d3a | 638 | |
aa21c004 | 639 | spin_lock(&priv->driver_lock); |
876c9d3a | 640 | |
7919b89c HS |
641 | i = (priv->resp_idx == 0) ? 1 : 0; |
642 | BUG_ON(priv->resp_len[i]); | |
643 | priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN); | |
644 | memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN, | |
645 | priv->resp_len[i]); | |
876c9d3a | 646 | kfree_skb(skb); |
7919b89c HS |
647 | lbs_notify_command_response(priv, i); |
648 | ||
aa21c004 | 649 | spin_unlock(&priv->driver_lock); |
876c9d3a | 650 | |
9012b28a | 651 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 652 | "Wake up main thread to handle cmd response\n"); |
876c9d3a MT |
653 | } |
654 | ||
655 | /** | |
8973a6e7 RD |
656 | * if_usb_receive - read the packet into the upload buffer, |
657 | * wake up the main thread and initialise the Rx callack | |
876c9d3a | 658 | * |
8973a6e7 RD |
659 | * @urb: pointer to &struct urb |
660 | * returns: N/A | |
876c9d3a MT |
661 | */ |
662 | static void if_usb_receive(struct urb *urb) | |
663 | { | |
eae86bf3 DW |
664 | struct if_usb_card *cardp = urb->context; |
665 | struct sk_buff *skb = cardp->rx_skb; | |
69f9032d | 666 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 667 | int recvlength = urb->actual_length; |
eae86bf3 DW |
668 | uint8_t *recvbuff = NULL; |
669 | uint32_t recvtype = 0; | |
670 | __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
7919b89c | 671 | uint32_t event; |
876c9d3a | 672 | |
9012b28a | 673 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
674 | |
675 | if (recvlength) { | |
676 | if (urb->status) { | |
eae86bf3 DW |
677 | lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n", |
678 | urb->status); | |
876c9d3a MT |
679 | kfree_skb(skb); |
680 | goto setup_for_next; | |
681 | } | |
682 | ||
683 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
eae86bf3 | 684 | recvtype = le32_to_cpu(pkt[0]); |
9012b28a | 685 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
686 | "Recv length = 0x%x, Recv type = 0x%X\n", |
687 | recvlength, recvtype); | |
77d8cf2c DW |
688 | } else if (urb->status) { |
689 | kfree_skb(skb); | |
876c9d3a | 690 | goto rx_exit; |
77d8cf2c | 691 | } |
876c9d3a | 692 | |
876c9d3a MT |
693 | switch (recvtype) { |
694 | case CMD_TYPE_DATA: | |
695 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
696 | break; | |
697 | ||
698 | case CMD_TYPE_REQUEST: | |
699 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
700 | break; | |
701 | ||
702 | case CMD_TYPE_INDICATION: | |
7919b89c HS |
703 | /* Event handling */ |
704 | event = le32_to_cpu(pkt[1]); | |
705 | lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event); | |
706 | kfree_skb(skb); | |
eae86bf3 | 707 | |
7919b89c HS |
708 | /* Icky undocumented magic special case */ |
709 | if (event & 0xffff0000) { | |
710 | u32 trycount = (event & 0xffff0000) >> 16; | |
eae86bf3 | 711 | |
7919b89c HS |
712 | lbs_send_tx_feedback(priv, trycount); |
713 | } else | |
714 | lbs_queue_event(priv, event & 0xFF); | |
715 | break; | |
eae86bf3 | 716 | |
876c9d3a | 717 | default: |
8362cd41 | 718 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
eae86bf3 | 719 | recvtype); |
876c9d3a MT |
720 | kfree_skb(skb); |
721 | break; | |
722 | } | |
723 | ||
724 | setup_for_next: | |
954ee164 | 725 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 726 | rx_exit: |
9012b28a | 727 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
728 | } |
729 | ||
730 | /** | |
8973a6e7 RD |
731 | * if_usb_host_to_card - downloads data to FW |
732 | * @priv: pointer to &struct lbs_private structure | |
733 | * @type: type of data | |
734 | * @payload: pointer to data buffer | |
735 | * @nb: number of bytes | |
736 | * returns: 0 for success or negative error code | |
876c9d3a | 737 | */ |
eae86bf3 DW |
738 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
739 | uint8_t *payload, uint16_t nb) | |
876c9d3a | 740 | { |
eae86bf3 | 741 | struct if_usb_card *cardp = priv->card; |
876c9d3a | 742 | |
9012b28a HS |
743 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
744 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
745 | |
746 | if (type == MVMS_CMD) { | |
eae86bf3 | 747 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 748 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a | 749 | } else { |
eae86bf3 | 750 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 751 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
752 | } |
753 | ||
eae86bf3 | 754 | memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb); |
876c9d3a | 755 | |
eae86bf3 | 756 | return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
757 | } |
758 | ||
9e22cb67 | 759 | /** |
8973a6e7 RD |
760 | * if_usb_issue_boot_command - issues Boot command to the Boot2 code |
761 | * @cardp: pointer to &if_usb_card | |
762 | * @ivalue: 1:Boot from FW by USB-Download | |
763 | * 2:Boot from FW in EEPROM | |
764 | * returns: 0 for success or negative error code | |
9e22cb67 | 765 | */ |
eae86bf3 | 766 | static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue) |
9e22cb67 | 767 | { |
eae86bf3 | 768 | struct bootcmd *bootcmd = cardp->ep_out_buf; |
9e22cb67 DW |
769 | |
770 | /* Prepare command */ | |
eae86bf3 DW |
771 | bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); |
772 | bootcmd->cmd = ivalue; | |
773 | memset(bootcmd->pad, 0, sizeof(bootcmd->pad)); | |
9e22cb67 DW |
774 | |
775 | /* Issue command */ | |
eae86bf3 | 776 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd)); |
9e22cb67 DW |
777 | |
778 | return 0; | |
779 | } | |
876c9d3a MT |
780 | |
781 | ||
954ee164 | 782 | /** |
8973a6e7 | 783 | * check_fwfile_format - check the validity of Boot2/FW image |
954ee164 | 784 | * |
8973a6e7 RD |
785 | * @data: pointer to image |
786 | * @totlen: image length | |
787 | * returns: 0 (good) or 1 (failure) | |
954ee164 | 788 | */ |
6dfff895 | 789 | static int check_fwfile_format(const uint8_t *data, uint32_t totlen) |
954ee164 | 790 | { |
eae86bf3 DW |
791 | uint32_t bincmd, exit; |
792 | uint32_t blksize, offset, len; | |
954ee164 DW |
793 | int ret; |
794 | ||
795 | ret = 1; | |
796 | exit = len = 0; | |
797 | ||
798 | do { | |
799 | struct fwheader *fwh = (void *)data; | |
800 | ||
801 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
802 | blksize = le32_to_cpu(fwh->datalength); | |
803 | switch (bincmd) { | |
804 | case FW_HAS_DATA_TO_RECV: | |
805 | offset = sizeof(struct fwheader) + blksize; | |
806 | data += offset; | |
807 | len += offset; | |
808 | if (len >= totlen) | |
809 | exit = 1; | |
810 | break; | |
811 | case FW_HAS_LAST_BLOCK: | |
812 | exit = 1; | |
813 | ret = 0; | |
814 | break; | |
815 | default: | |
816 | exit = 1; | |
817 | break; | |
818 | } | |
819 | } while (!exit); | |
820 | ||
821 | if (ret) | |
0e4e06ae | 822 | pr_err("firmware file format check FAIL\n"); |
954ee164 DW |
823 | else |
824 | lbs_deb_fw("firmware file format check PASS\n"); | |
825 | ||
826 | return ret; | |
827 | } | |
828 | ||
ce84bb69 DD |
829 | static void if_usb_prog_firmware(struct lbs_private *priv, int ret, |
830 | const struct firmware *fw, | |
831 | const struct firmware *unused) | |
876c9d3a | 832 | { |
ce84bb69 | 833 | struct if_usb_card *cardp = priv->card; |
876c9d3a MT |
834 | int i = 0; |
835 | static int reset_count = 10; | |
836 | ||
9012b28a | 837 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 838 | |
5cddea81 | 839 | if (ret) { |
0e4e06ae | 840 | pr_err("failed to find firmware (%d)\n", ret); |
954ee164 DW |
841 | goto done; |
842 | } | |
843 | ||
ce84bb69 | 844 | cardp->fw = fw; |
1556c0f2 BC |
845 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) { |
846 | ret = -EINVAL; | |
954ee164 | 847 | goto release_fw; |
1556c0f2 BC |
848 | } |
849 | ||
850 | /* Cancel any pending usb business */ | |
851 | usb_kill_urb(cardp->rx_urb); | |
852 | usb_kill_urb(cardp->tx_urb); | |
853 | ||
854 | cardp->fwlastblksent = 0; | |
855 | cardp->fwdnldover = 0; | |
856 | cardp->totalbytes = 0; | |
857 | cardp->fwfinalblk = 0; | |
858 | cardp->bootcmdresp = 0; | |
876c9d3a MT |
859 | |
860 | restart: | |
954ee164 | 861 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a | 862 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
1556c0f2 | 863 | ret = -EIO; |
954ee164 | 864 | goto release_fw; |
876c9d3a MT |
865 | } |
866 | ||
876c9d3a MT |
867 | cardp->bootcmdresp = 0; |
868 | do { | |
869 | int j = 0; | |
870 | i++; | |
370803c2 | 871 | if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB); |
876c9d3a MT |
872 | /* wait for command response */ |
873 | do { | |
874 | j++; | |
875 | msleep_interruptible(100); | |
876 | } while (cardp->bootcmdresp == 0 && j < 10); | |
877 | } while (cardp->bootcmdresp == 0 && i < 5); | |
878 | ||
1556c0f2 BC |
879 | if (cardp->bootcmdresp == BOOT_CMD_RESP_NOT_SUPPORTED) { |
880 | /* Return to normal operation */ | |
881 | ret = -EOPNOTSUPP; | |
882 | usb_kill_urb(cardp->rx_urb); | |
883 | usb_kill_urb(cardp->tx_urb); | |
884 | if (if_usb_submit_rx_urb(cardp) < 0) | |
885 | ret = -EIO; | |
886 | goto release_fw; | |
887 | } else if (cardp->bootcmdresp <= 0) { | |
876c9d3a | 888 | if (--reset_count >= 0) { |
954ee164 | 889 | if_usb_reset_device(cardp); |
876c9d3a MT |
890 | goto restart; |
891 | } | |
1556c0f2 BC |
892 | ret = -EIO; |
893 | goto release_fw; | |
876c9d3a | 894 | } |
876c9d3a MT |
895 | |
896 | i = 0; | |
876c9d3a MT |
897 | |
898 | cardp->totalbytes = 0; | |
899 | cardp->fwlastblksent = 0; | |
900 | cardp->CRC_OK = 1; | |
901 | cardp->fwdnldover = 0; | |
902 | cardp->fwseqnum = -1; | |
903 | cardp->totalbytes = 0; | |
904 | cardp->fwfinalblk = 0; | |
905 | ||
4f82f5c8 DW |
906 | /* Send the first firmware packet... */ |
907 | if_usb_send_fw_pkt(cardp); | |
876c9d3a | 908 | |
4f82f5c8 DW |
909 | /* ... and wait for the process to complete */ |
910 | wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); | |
7e226272 | 911 | |
4f82f5c8 | 912 | del_timer_sync(&cardp->fw_timeout); |
c9cd6f9d | 913 | usb_kill_urb(cardp->rx_urb); |
876c9d3a MT |
914 | |
915 | if (!cardp->fwdnldover) { | |
0e4e06ae | 916 | pr_info("failed to load fw, resetting device!\n"); |
876c9d3a | 917 | if (--reset_count >= 0) { |
954ee164 | 918 | if_usb_reset_device(cardp); |
876c9d3a MT |
919 | goto restart; |
920 | } | |
921 | ||
0e4e06ae | 922 | pr_info("FW download failure, time = %d ms\n", i * 100); |
1556c0f2 | 923 | ret = -EIO; |
954ee164 | 924 | goto release_fw; |
876c9d3a MT |
925 | } |
926 | ||
ce84bb69 DD |
927 | cardp->priv->fw_ready = 1; |
928 | if_usb_submit_rx_urb(cardp); | |
929 | ||
930 | if (lbs_start_card(priv)) | |
931 | goto release_fw; | |
932 | ||
933 | if_usb_setup_firmware(priv); | |
934 | ||
935 | /* | |
936 | * EHS_REMOVE_WAKEUP is not supported on all versions of the firmware. | |
937 | */ | |
938 | priv->wol_criteria = EHS_REMOVE_WAKEUP; | |
939 | if (lbs_host_sleep_cfg(priv, priv->wol_criteria, NULL)) | |
940 | priv->ehs_remove_supported = false; | |
941 | ||
eae86bf3 | 942 | release_fw: |
954ee164 DW |
943 | release_firmware(cardp->fw); |
944 | cardp->fw = NULL; | |
876c9d3a | 945 | |
eae86bf3 | 946 | done: |
ce84bb69 | 947 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
948 | } |
949 | ||
1df4e8fe | 950 | |
876c9d3a MT |
951 | #ifdef CONFIG_PM |
952 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
953 | { | |
eae86bf3 | 954 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 955 | struct lbs_private *priv = cardp->priv; |
d1f7a5b8 | 956 | int ret; |
876c9d3a | 957 | |
9012b28a | 958 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 959 | |
1e66eda1 JL |
960 | if (priv->psstate != PS_STATE_FULL_POWER) { |
961 | ret = -1; | |
962 | goto out; | |
963 | } | |
876c9d3a | 964 | |
dfb72c4f DD |
965 | #ifdef CONFIG_OLPC |
966 | if (machine_is_olpc()) { | |
967 | if (priv->wol_criteria == EHS_REMOVE_WAKEUP) | |
968 | olpc_ec_wakeup_clear(EC_SCI_SRC_WLAN); | |
969 | else | |
970 | olpc_ec_wakeup_set(EC_SCI_SRC_WLAN); | |
971 | } | |
972 | #endif | |
973 | ||
d1f7a5b8 DW |
974 | ret = lbs_suspend(priv); |
975 | if (ret) | |
976 | goto out; | |
876c9d3a MT |
977 | |
978 | /* Unlink tx & rx urb */ | |
979 | usb_kill_urb(cardp->tx_urb); | |
980 | usb_kill_urb(cardp->rx_urb); | |
981 | ||
d1f7a5b8 | 982 | out: |
9012b28a | 983 | lbs_deb_leave(LBS_DEB_USB); |
d1f7a5b8 | 984 | return ret; |
876c9d3a MT |
985 | } |
986 | ||
987 | static int if_usb_resume(struct usb_interface *intf) | |
988 | { | |
eae86bf3 | 989 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 990 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 991 | |
9012b28a | 992 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 993 | |
6bc822b5 | 994 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 995 | |
d1f7a5b8 | 996 | lbs_resume(priv); |
876c9d3a | 997 | |
9012b28a | 998 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
999 | return 0; |
1000 | } | |
1001 | #else | |
1002 | #define if_usb_suspend NULL | |
1003 | #define if_usb_resume NULL | |
1004 | #endif | |
1005 | ||
1006 | static struct usb_driver if_usb_driver = { | |
798fbfec | 1007 | .name = DRV_NAME, |
876c9d3a | 1008 | .probe = if_usb_probe, |
876c9d3a | 1009 | .disconnect = if_usb_disconnect, |
876c9d3a MT |
1010 | .id_table = if_usb_table, |
1011 | .suspend = if_usb_suspend, | |
1012 | .resume = if_usb_resume, | |
7b58ccfe | 1013 | .reset_resume = if_usb_resume, |
e1f12eb6 | 1014 | .disable_hub_initiated_lpm = 1, |
876c9d3a MT |
1015 | }; |
1016 | ||
d632eb1b | 1017 | module_usb_driver(if_usb_driver); |
084708b6 HS |
1018 | |
1019 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
eae86bf3 | 1020 | MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc."); |
084708b6 | 1021 | MODULE_LICENSE("GPL"); |