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; | |
fae4f9f7 | 270 | priv->is_polling = false; |
b77ec4ca DW |
271 | #ifdef CONFIG_OLPC |
272 | if (machine_is_olpc()) | |
273 | priv->reset_card = if_usb_reset_olpc_card; | |
274 | #endif | |
275 | ||
4365929d | 276 | cardp->boot2_version = udev->descriptor.bcdDevice; |
208fdd2f | 277 | |
876c9d3a | 278 | usb_get_dev(udev); |
435a1acb | 279 | usb_set_intfdata(intf, cardp); |
876c9d3a | 280 | |
ce84bb69 DD |
281 | r = lbs_get_firmware_async(priv, &udev->dev, cardp->model, |
282 | fw_table, if_usb_prog_firmware); | |
283 | if (r) | |
284 | goto err_get_fw; | |
ae63a33e | 285 | |
876c9d3a MT |
286 | return 0; |
287 | ||
ce84bb69 | 288 | err_get_fw: |
10078321 | 289 | lbs_remove_card(priv); |
ce84bb69 | 290 | err_add_card: |
954ee164 | 291 | if_usb_reset_device(cardp); |
876c9d3a | 292 | dealloc: |
435a1acb | 293 | if_usb_free(cardp); |
876c9d3a MT |
294 | |
295 | error: | |
ce84bb69 | 296 | return r; |
876c9d3a MT |
297 | } |
298 | ||
299 | /** | |
8973a6e7 RD |
300 | * if_usb_disconnect - free resource and cleanup |
301 | * @intf: USB interface structure | |
302 | * returns: N/A | |
876c9d3a MT |
303 | */ |
304 | static void if_usb_disconnect(struct usb_interface *intf) | |
305 | { | |
eae86bf3 | 306 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
2c208890 | 307 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 308 | |
954ee164 | 309 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 310 | |
954ee164 | 311 | cardp->surprise_removed = 1; |
876c9d3a | 312 | |
954ee164 | 313 | if (priv) { |
10078321 | 314 | lbs_stop_card(priv); |
10078321 | 315 | lbs_remove_card(priv); |
954ee164 | 316 | } |
876c9d3a MT |
317 | |
318 | /* Unlink and free urb */ | |
319 | if_usb_free(cardp); | |
320 | ||
321 | usb_set_intfdata(intf, NULL); | |
322 | usb_put_dev(interface_to_usbdev(intf)); | |
323 | ||
954ee164 | 324 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
325 | } |
326 | ||
327 | /** | |
8973a6e7 RD |
328 | * if_usb_send_fw_pkt - download FW |
329 | * @cardp: pointer to &struct if_usb_card | |
330 | * returns: 0 | |
876c9d3a | 331 | */ |
eae86bf3 | 332 | static int if_usb_send_fw_pkt(struct if_usb_card *cardp) |
876c9d3a | 333 | { |
eae86bf3 | 334 | struct fwdata *fwdata = cardp->ep_out_buf; |
6dfff895 | 335 | const uint8_t *firmware = cardp->fw->data; |
876c9d3a | 336 | |
eae86bf3 DW |
337 | /* If we got a CRC failure on the last block, back |
338 | up and retry it */ | |
876c9d3a MT |
339 | if (!cardp->CRC_OK) { |
340 | cardp->totalbytes = cardp->fwlastblksent; | |
eae86bf3 | 341 | cardp->fwseqnum--; |
876c9d3a MT |
342 | } |
343 | ||
eae86bf3 DW |
344 | lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n", |
345 | cardp->totalbytes); | |
876c9d3a | 346 | |
eae86bf3 DW |
347 | /* struct fwdata (which we sent to the card) has an |
348 | extra __le32 field in between the header and the data, | |
349 | which is not in the struct fwheader in the actual | |
350 | firmware binary. Insert the seqnum in the middle... */ | |
351 | memcpy(&fwdata->hdr, &firmware[cardp->totalbytes], | |
876c9d3a MT |
352 | sizeof(struct fwheader)); |
353 | ||
354 | cardp->fwlastblksent = cardp->totalbytes; | |
355 | cardp->totalbytes += sizeof(struct fwheader); | |
356 | ||
876c9d3a | 357 | memcpy(fwdata->data, &firmware[cardp->totalbytes], |
eae86bf3 | 358 | le32_to_cpu(fwdata->hdr.datalength)); |
876c9d3a | 359 | |
eae86bf3 DW |
360 | lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n", |
361 | le32_to_cpu(fwdata->hdr.datalength)); | |
876c9d3a | 362 | |
eae86bf3 DW |
363 | fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum); |
364 | cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength); | |
876c9d3a | 365 | |
eae86bf3 DW |
366 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) + |
367 | le32_to_cpu(fwdata->hdr.datalength)); | |
368 | ||
369 | if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { | |
370 | lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n"); | |
371 | lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n", | |
372 | cardp->fwseqnum, cardp->totalbytes); | |
373 | } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { | |
374 | lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n"); | |
375 | lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n"); | |
876c9d3a | 376 | |
876c9d3a MT |
377 | cardp->fwfinalblk = 1; |
378 | } | |
379 | ||
eae86bf3 DW |
380 | lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n", |
381 | cardp->totalbytes); | |
876c9d3a MT |
382 | |
383 | return 0; | |
384 | } | |
385 | ||
eae86bf3 | 386 | static int if_usb_reset_device(struct if_usb_card *cardp) |
876c9d3a | 387 | { |
0bb64087 | 388 | struct cmd_header *cmd = cardp->ep_out_buf + 4; |
876c9d3a | 389 | int ret; |
876c9d3a | 390 | |
3874d0fe HS |
391 | lbs_deb_enter(LBS_DEB_USB); |
392 | ||
eae86bf3 | 393 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
6d35fdfc DW |
394 | |
395 | cmd->command = cpu_to_le16(CMD_802_11_RESET); | |
0bb64087 | 396 | cmd->size = cpu_to_le16(sizeof(cmd)); |
6d35fdfc DW |
397 | cmd->result = cpu_to_le16(0); |
398 | cmd->seqnum = cpu_to_le16(0x5a5a); | |
f8e77cae | 399 | usb_tx_block(cardp, cardp->ep_out_buf, 4 + sizeof(struct cmd_header)); |
6d35fdfc | 400 | |
c8ba39d0 | 401 | msleep(100); |
876c9d3a | 402 | ret = usb_reset_device(cardp->udev); |
c8ba39d0 | 403 | msleep(100); |
3874d0fe | 404 | |
b77ec4ca DW |
405 | #ifdef CONFIG_OLPC |
406 | if (ret && machine_is_olpc()) | |
407 | if_usb_reset_olpc_card(NULL); | |
408 | #endif | |
409 | ||
3874d0fe HS |
410 | lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); |
411 | ||
876c9d3a MT |
412 | return ret; |
413 | } | |
414 | ||
415 | /** | |
8973a6e7 RD |
416 | * usb_tx_block - transfer the data to the device |
417 | * @cardp: pointer to &struct if_usb_card | |
418 | * @payload: pointer to payload data | |
419 | * @nb: data length | |
420 | * returns: 0 for success or negative error code | |
876c9d3a | 421 | */ |
eae86bf3 | 422 | static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb) |
876c9d3a | 423 | { |
4f329c04 | 424 | int ret; |
876c9d3a MT |
425 | |
426 | /* check if device is removed */ | |
954ee164 | 427 | if (cardp->surprise_removed) { |
9012b28a | 428 | lbs_deb_usbd(&cardp->udev->dev, "Device removed\n"); |
4f329c04 | 429 | ret = -ENODEV; |
876c9d3a MT |
430 | goto tx_ret; |
431 | } | |
432 | ||
433 | usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, | |
434 | usb_sndbulkpipe(cardp->udev, | |
eae86bf3 | 435 | cardp->ep_out), |
954ee164 | 436 | payload, nb, if_usb_write_bulk_callback, cardp); |
876c9d3a MT |
437 | |
438 | cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; | |
439 | ||
440 | if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { | |
0856e681 | 441 | lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); |
876c9d3a | 442 | } else { |
eae86bf3 | 443 | lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n"); |
876c9d3a MT |
444 | ret = 0; |
445 | } | |
446 | ||
447 | tx_ret: | |
448 | return ret; | |
449 | } | |
450 | ||
eae86bf3 | 451 | static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, |
954ee164 | 452 | void (*callbackfn)(struct urb *urb)) |
876c9d3a | 453 | { |
876c9d3a | 454 | struct sk_buff *skb; |
876c9d3a MT |
455 | int ret = -1; |
456 | ||
457 | if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { | |
0e4e06ae | 458 | pr_err("No free skb\n"); |
876c9d3a MT |
459 | goto rx_ret; |
460 | } | |
461 | ||
eae86bf3 | 462 | cardp->rx_skb = skb; |
876c9d3a MT |
463 | |
464 | /* Fill the receive configuration URB and initialise the Rx call back */ | |
465 | usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, | |
eae86bf3 | 466 | usb_rcvbulkpipe(cardp->udev, cardp->ep_in), |
e9024a05 | 467 | skb->data + IPFIELD_ALIGN_OFFSET, |
876c9d3a | 468 | MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, |
eae86bf3 | 469 | cardp); |
876c9d3a MT |
470 | |
471 | cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; | |
472 | ||
eae86bf3 | 473 | lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); |
876c9d3a | 474 | if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { |
0856e681 | 475 | lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); |
77d8cf2c | 476 | kfree_skb(skb); |
eae86bf3 | 477 | cardp->rx_skb = NULL; |
876c9d3a MT |
478 | ret = -1; |
479 | } else { | |
eae86bf3 | 480 | lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n"); |
876c9d3a MT |
481 | ret = 0; |
482 | } | |
483 | ||
484 | rx_ret: | |
485 | return ret; | |
486 | } | |
487 | ||
eae86bf3 | 488 | static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp) |
876c9d3a | 489 | { |
954ee164 | 490 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); |
876c9d3a MT |
491 | } |
492 | ||
eae86bf3 | 493 | static int if_usb_submit_rx_urb(struct if_usb_card *cardp) |
876c9d3a | 494 | { |
954ee164 | 495 | return __if_usb_submit_rx_urb(cardp, &if_usb_receive); |
876c9d3a MT |
496 | } |
497 | ||
498 | static void if_usb_receive_fwload(struct urb *urb) | |
499 | { | |
eae86bf3 DW |
500 | struct if_usb_card *cardp = urb->context; |
501 | struct sk_buff *skb = cardp->rx_skb; | |
876c9d3a | 502 | struct fwsyncheader *syncfwheader; |
eae86bf3 | 503 | struct bootcmdresp bootcmdresp; |
876c9d3a MT |
504 | |
505 | if (urb->status) { | |
9012b28a | 506 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 507 | "URB status is failed during fw load\n"); |
876c9d3a MT |
508 | kfree_skb(skb); |
509 | return; | |
510 | } | |
511 | ||
c9cd6f9d DW |
512 | if (cardp->fwdnldover) { |
513 | __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
514 | ||
515 | if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && | |
516 | tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { | |
0e4e06ae | 517 | pr_info("Firmware ready event received\n"); |
c9cd6f9d DW |
518 | wake_up(&cardp->fw_wq); |
519 | } else { | |
eae86bf3 DW |
520 | lbs_deb_usb("Waiting for confirmation; got %x %x\n", |
521 | le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1])); | |
c9cd6f9d DW |
522 | if_usb_submit_rx_urb_fwload(cardp); |
523 | } | |
524 | kfree_skb(skb); | |
525 | return; | |
526 | } | |
c8ba39d0 | 527 | if (cardp->bootcmdresp <= 0) { |
876c9d3a MT |
528 | memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, |
529 | sizeof(bootcmdresp)); | |
eae86bf3 | 530 | |
981f187b | 531 | if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { |
876c9d3a | 532 | kfree_skb(skb); |
954ee164 | 533 | if_usb_submit_rx_urb_fwload(cardp); |
1556c0f2 | 534 | cardp->bootcmdresp = BOOT_CMD_RESP_OK; |
9012b28a | 535 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 536 | "Received valid boot command response\n"); |
876c9d3a MT |
537 | return; |
538 | } | |
eae86bf3 DW |
539 | if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { |
540 | if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) || | |
541 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) || | |
542 | bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) { | |
c9cd6f9d | 543 | if (!cardp->bootcmdresp) |
0e4e06ae | 544 | pr_info("Firmware already seems alive; resetting\n"); |
6d35fdfc DW |
545 | cardp->bootcmdresp = -1; |
546 | } else { | |
0e4e06ae | 547 | pr_info("boot cmd response wrong magic number (0x%x)\n", |
eae86bf3 | 548 | le32_to_cpu(bootcmdresp.magic)); |
6d35fdfc | 549 | } |
1556c0f2 BC |
550 | } else if ((bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) && |
551 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_FW) && | |
552 | (bootcmdresp.cmd != BOOT_CMD_UPDATE_BOOT2)) { | |
0e4e06ae JP |
553 | pr_info("boot cmd response cmd_tag error (%d)\n", |
554 | bootcmdresp.cmd); | |
eae86bf3 | 555 | } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) { |
0e4e06ae JP |
556 | pr_info("boot cmd response result error (%d)\n", |
557 | bootcmdresp.result); | |
876c9d3a MT |
558 | } else { |
559 | cardp->bootcmdresp = 1; | |
9012b28a | 560 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 561 | "Received valid boot command response\n"); |
876c9d3a MT |
562 | } |
563 | kfree_skb(skb); | |
954ee164 | 564 | if_usb_submit_rx_urb_fwload(cardp); |
876c9d3a MT |
565 | return; |
566 | } | |
567 | ||
731a9b2a JL |
568 | syncfwheader = kmemdup(skb->data + IPFIELD_ALIGN_OFFSET, |
569 | sizeof(struct fwsyncheader), GFP_ATOMIC); | |
876c9d3a | 570 | if (!syncfwheader) { |
9012b28a | 571 | lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); |
876c9d3a MT |
572 | kfree_skb(skb); |
573 | return; | |
574 | } | |
575 | ||
876c9d3a | 576 | if (!syncfwheader->cmd) { |
eae86bf3 DW |
577 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n"); |
578 | lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n", | |
579 | le32_to_cpu(syncfwheader->seqnum)); | |
876c9d3a MT |
580 | cardp->CRC_OK = 1; |
581 | } else { | |
eae86bf3 | 582 | lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n"); |
876c9d3a MT |
583 | cardp->CRC_OK = 0; |
584 | } | |
585 | ||
586 | kfree_skb(skb); | |
587 | ||
1556c0f2 BC |
588 | /* Give device 5s to either write firmware to its RAM or eeprom */ |
589 | mod_timer(&cardp->fw_timeout, jiffies + (HZ*5)); | |
4f82f5c8 | 590 | |
876c9d3a MT |
591 | if (cardp->fwfinalblk) { |
592 | cardp->fwdnldover = 1; | |
593 | goto exit; | |
594 | } | |
595 | ||
4f82f5c8 | 596 | if_usb_send_fw_pkt(cardp); |
876c9d3a | 597 | |
4f82f5c8 | 598 | exit: |
c9cd6f9d DW |
599 | if_usb_submit_rx_urb_fwload(cardp); |
600 | ||
876c9d3a | 601 | kfree(syncfwheader); |
876c9d3a MT |
602 | } |
603 | ||
604 | #define MRVDRV_MIN_PKT_LEN 30 | |
605 | ||
606 | static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, | |
eae86bf3 | 607 | struct if_usb_card *cardp, |
69f9032d | 608 | struct lbs_private *priv) |
876c9d3a | 609 | { |
eae86bf3 DW |
610 | if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN |
611 | || recvlength < MRVDRV_MIN_PKT_LEN) { | |
612 | lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n"); | |
876c9d3a MT |
613 | kfree_skb(skb); |
614 | return; | |
615 | } | |
616 | ||
617 | skb_reserve(skb, IPFIELD_ALIGN_OFFSET); | |
618 | skb_put(skb, recvlength); | |
619 | skb_pull(skb, MESSAGE_HEADER_LEN); | |
eae86bf3 | 620 | |
10078321 | 621 | lbs_process_rxed_packet(priv, skb); |
876c9d3a MT |
622 | } |
623 | ||
eae86bf3 | 624 | static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, |
876c9d3a | 625 | struct sk_buff *skb, |
eae86bf3 | 626 | struct if_usb_card *cardp, |
69f9032d | 627 | struct lbs_private *priv) |
876c9d3a | 628 | { |
7919b89c HS |
629 | u8 i; |
630 | ||
ddac4526 | 631 | if (recvlength > LBS_CMD_BUFFER_SIZE) { |
9012b28a | 632 | lbs_deb_usbd(&cardp->udev->dev, |
eae86bf3 | 633 | "The receive buffer is too large\n"); |
876c9d3a MT |
634 | kfree_skb(skb); |
635 | return; | |
636 | } | |
637 | ||
0ee904c3 | 638 | BUG_ON(!in_interrupt()); |
876c9d3a | 639 | |
aa21c004 | 640 | spin_lock(&priv->driver_lock); |
876c9d3a | 641 | |
7919b89c HS |
642 | i = (priv->resp_idx == 0) ? 1 : 0; |
643 | BUG_ON(priv->resp_len[i]); | |
644 | priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN); | |
645 | memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN, | |
646 | priv->resp_len[i]); | |
876c9d3a | 647 | kfree_skb(skb); |
7919b89c HS |
648 | lbs_notify_command_response(priv, i); |
649 | ||
aa21c004 | 650 | spin_unlock(&priv->driver_lock); |
876c9d3a | 651 | |
9012b28a | 652 | lbs_deb_usbd(&cardp->udev->dev, |
876c9d3a | 653 | "Wake up main thread to handle cmd response\n"); |
876c9d3a MT |
654 | } |
655 | ||
656 | /** | |
8973a6e7 RD |
657 | * if_usb_receive - read the packet into the upload buffer, |
658 | * wake up the main thread and initialise the Rx callack | |
876c9d3a | 659 | * |
8973a6e7 RD |
660 | * @urb: pointer to &struct urb |
661 | * returns: N/A | |
876c9d3a MT |
662 | */ |
663 | static void if_usb_receive(struct urb *urb) | |
664 | { | |
eae86bf3 DW |
665 | struct if_usb_card *cardp = urb->context; |
666 | struct sk_buff *skb = cardp->rx_skb; | |
69f9032d | 667 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 668 | int recvlength = urb->actual_length; |
eae86bf3 DW |
669 | uint8_t *recvbuff = NULL; |
670 | uint32_t recvtype = 0; | |
671 | __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); | |
7919b89c | 672 | uint32_t event; |
876c9d3a | 673 | |
9012b28a | 674 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a MT |
675 | |
676 | if (recvlength) { | |
677 | if (urb->status) { | |
eae86bf3 DW |
678 | lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n", |
679 | urb->status); | |
876c9d3a MT |
680 | kfree_skb(skb); |
681 | goto setup_for_next; | |
682 | } | |
683 | ||
684 | recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; | |
eae86bf3 | 685 | recvtype = le32_to_cpu(pkt[0]); |
9012b28a | 686 | lbs_deb_usbd(&cardp->udev->dev, |
8362cd41 DW |
687 | "Recv length = 0x%x, Recv type = 0x%X\n", |
688 | recvlength, recvtype); | |
77d8cf2c DW |
689 | } else if (urb->status) { |
690 | kfree_skb(skb); | |
876c9d3a | 691 | goto rx_exit; |
77d8cf2c | 692 | } |
876c9d3a | 693 | |
876c9d3a MT |
694 | switch (recvtype) { |
695 | case CMD_TYPE_DATA: | |
696 | process_cmdtypedata(recvlength, skb, cardp, priv); | |
697 | break; | |
698 | ||
699 | case CMD_TYPE_REQUEST: | |
700 | process_cmdrequest(recvlength, recvbuff, skb, cardp, priv); | |
701 | break; | |
702 | ||
703 | case CMD_TYPE_INDICATION: | |
7919b89c HS |
704 | /* Event handling */ |
705 | event = le32_to_cpu(pkt[1]); | |
706 | lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event); | |
707 | kfree_skb(skb); | |
eae86bf3 | 708 | |
7919b89c HS |
709 | /* Icky undocumented magic special case */ |
710 | if (event & 0xffff0000) { | |
711 | u32 trycount = (event & 0xffff0000) >> 16; | |
eae86bf3 | 712 | |
7919b89c HS |
713 | lbs_send_tx_feedback(priv, trycount); |
714 | } else | |
715 | lbs_queue_event(priv, event & 0xFF); | |
716 | break; | |
eae86bf3 | 717 | |
876c9d3a | 718 | default: |
8362cd41 | 719 | lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", |
eae86bf3 | 720 | recvtype); |
876c9d3a MT |
721 | kfree_skb(skb); |
722 | break; | |
723 | } | |
724 | ||
725 | setup_for_next: | |
954ee164 | 726 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 727 | rx_exit: |
9012b28a | 728 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
729 | } |
730 | ||
731 | /** | |
8973a6e7 RD |
732 | * if_usb_host_to_card - downloads data to FW |
733 | * @priv: pointer to &struct lbs_private structure | |
734 | * @type: type of data | |
735 | * @payload: pointer to data buffer | |
736 | * @nb: number of bytes | |
737 | * returns: 0 for success or negative error code | |
876c9d3a | 738 | */ |
eae86bf3 DW |
739 | static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, |
740 | uint8_t *payload, uint16_t nb) | |
876c9d3a | 741 | { |
eae86bf3 | 742 | struct if_usb_card *cardp = priv->card; |
876c9d3a | 743 | |
9012b28a HS |
744 | lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); |
745 | lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); | |
876c9d3a MT |
746 | |
747 | if (type == MVMS_CMD) { | |
eae86bf3 | 748 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); |
634b8f49 | 749 | priv->dnld_sent = DNLD_CMD_SENT; |
876c9d3a | 750 | } else { |
eae86bf3 | 751 | *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA); |
634b8f49 | 752 | priv->dnld_sent = DNLD_DATA_SENT; |
876c9d3a MT |
753 | } |
754 | ||
eae86bf3 | 755 | memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb); |
876c9d3a | 756 | |
eae86bf3 | 757 | return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN); |
876c9d3a MT |
758 | } |
759 | ||
9e22cb67 | 760 | /** |
8973a6e7 RD |
761 | * if_usb_issue_boot_command - issues Boot command to the Boot2 code |
762 | * @cardp: pointer to &if_usb_card | |
763 | * @ivalue: 1:Boot from FW by USB-Download | |
764 | * 2:Boot from FW in EEPROM | |
765 | * returns: 0 for success or negative error code | |
9e22cb67 | 766 | */ |
eae86bf3 | 767 | static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue) |
9e22cb67 | 768 | { |
eae86bf3 | 769 | struct bootcmd *bootcmd = cardp->ep_out_buf; |
9e22cb67 DW |
770 | |
771 | /* Prepare command */ | |
eae86bf3 DW |
772 | bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); |
773 | bootcmd->cmd = ivalue; | |
774 | memset(bootcmd->pad, 0, sizeof(bootcmd->pad)); | |
9e22cb67 DW |
775 | |
776 | /* Issue command */ | |
eae86bf3 | 777 | usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd)); |
9e22cb67 DW |
778 | |
779 | return 0; | |
780 | } | |
876c9d3a MT |
781 | |
782 | ||
954ee164 | 783 | /** |
8973a6e7 | 784 | * check_fwfile_format - check the validity of Boot2/FW image |
954ee164 | 785 | * |
8973a6e7 RD |
786 | * @data: pointer to image |
787 | * @totlen: image length | |
788 | * returns: 0 (good) or 1 (failure) | |
954ee164 | 789 | */ |
6dfff895 | 790 | static int check_fwfile_format(const uint8_t *data, uint32_t totlen) |
954ee164 | 791 | { |
eae86bf3 DW |
792 | uint32_t bincmd, exit; |
793 | uint32_t blksize, offset, len; | |
954ee164 DW |
794 | int ret; |
795 | ||
796 | ret = 1; | |
797 | exit = len = 0; | |
798 | ||
799 | do { | |
800 | struct fwheader *fwh = (void *)data; | |
801 | ||
802 | bincmd = le32_to_cpu(fwh->dnldcmd); | |
803 | blksize = le32_to_cpu(fwh->datalength); | |
804 | switch (bincmd) { | |
805 | case FW_HAS_DATA_TO_RECV: | |
806 | offset = sizeof(struct fwheader) + blksize; | |
807 | data += offset; | |
808 | len += offset; | |
809 | if (len >= totlen) | |
810 | exit = 1; | |
811 | break; | |
812 | case FW_HAS_LAST_BLOCK: | |
813 | exit = 1; | |
814 | ret = 0; | |
815 | break; | |
816 | default: | |
817 | exit = 1; | |
818 | break; | |
819 | } | |
820 | } while (!exit); | |
821 | ||
822 | if (ret) | |
0e4e06ae | 823 | pr_err("firmware file format check FAIL\n"); |
954ee164 DW |
824 | else |
825 | lbs_deb_fw("firmware file format check PASS\n"); | |
826 | ||
827 | return ret; | |
828 | } | |
829 | ||
ce84bb69 DD |
830 | static void if_usb_prog_firmware(struct lbs_private *priv, int ret, |
831 | const struct firmware *fw, | |
832 | const struct firmware *unused) | |
876c9d3a | 833 | { |
ce84bb69 | 834 | struct if_usb_card *cardp = priv->card; |
876c9d3a MT |
835 | int i = 0; |
836 | static int reset_count = 10; | |
837 | ||
9012b28a | 838 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 839 | |
5cddea81 | 840 | if (ret) { |
0e4e06ae | 841 | pr_err("failed to find firmware (%d)\n", ret); |
954ee164 DW |
842 | goto done; |
843 | } | |
844 | ||
ce84bb69 | 845 | cardp->fw = fw; |
1556c0f2 BC |
846 | if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) { |
847 | ret = -EINVAL; | |
1dfba306 | 848 | goto done; |
1556c0f2 BC |
849 | } |
850 | ||
851 | /* Cancel any pending usb business */ | |
852 | usb_kill_urb(cardp->rx_urb); | |
853 | usb_kill_urb(cardp->tx_urb); | |
854 | ||
855 | cardp->fwlastblksent = 0; | |
856 | cardp->fwdnldover = 0; | |
857 | cardp->totalbytes = 0; | |
858 | cardp->fwfinalblk = 0; | |
859 | cardp->bootcmdresp = 0; | |
876c9d3a MT |
860 | |
861 | restart: | |
954ee164 | 862 | if (if_usb_submit_rx_urb_fwload(cardp) < 0) { |
9012b28a | 863 | lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n"); |
1556c0f2 | 864 | ret = -EIO; |
1dfba306 | 865 | goto done; |
876c9d3a MT |
866 | } |
867 | ||
876c9d3a MT |
868 | cardp->bootcmdresp = 0; |
869 | do { | |
870 | int j = 0; | |
871 | i++; | |
370803c2 | 872 | if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB); |
876c9d3a MT |
873 | /* wait for command response */ |
874 | do { | |
875 | j++; | |
876 | msleep_interruptible(100); | |
877 | } while (cardp->bootcmdresp == 0 && j < 10); | |
878 | } while (cardp->bootcmdresp == 0 && i < 5); | |
879 | ||
1556c0f2 BC |
880 | if (cardp->bootcmdresp == BOOT_CMD_RESP_NOT_SUPPORTED) { |
881 | /* Return to normal operation */ | |
882 | ret = -EOPNOTSUPP; | |
883 | usb_kill_urb(cardp->rx_urb); | |
884 | usb_kill_urb(cardp->tx_urb); | |
885 | if (if_usb_submit_rx_urb(cardp) < 0) | |
886 | ret = -EIO; | |
1dfba306 | 887 | goto done; |
1556c0f2 | 888 | } else if (cardp->bootcmdresp <= 0) { |
876c9d3a | 889 | if (--reset_count >= 0) { |
954ee164 | 890 | if_usb_reset_device(cardp); |
876c9d3a MT |
891 | goto restart; |
892 | } | |
1556c0f2 | 893 | ret = -EIO; |
1dfba306 | 894 | goto done; |
876c9d3a | 895 | } |
876c9d3a MT |
896 | |
897 | i = 0; | |
876c9d3a MT |
898 | |
899 | cardp->totalbytes = 0; | |
900 | cardp->fwlastblksent = 0; | |
901 | cardp->CRC_OK = 1; | |
902 | cardp->fwdnldover = 0; | |
903 | cardp->fwseqnum = -1; | |
904 | cardp->totalbytes = 0; | |
905 | cardp->fwfinalblk = 0; | |
906 | ||
4f82f5c8 DW |
907 | /* Send the first firmware packet... */ |
908 | if_usb_send_fw_pkt(cardp); | |
876c9d3a | 909 | |
4f82f5c8 DW |
910 | /* ... and wait for the process to complete */ |
911 | wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); | |
7e226272 | 912 | |
4f82f5c8 | 913 | del_timer_sync(&cardp->fw_timeout); |
c9cd6f9d | 914 | usb_kill_urb(cardp->rx_urb); |
876c9d3a MT |
915 | |
916 | if (!cardp->fwdnldover) { | |
0e4e06ae | 917 | pr_info("failed to load fw, resetting device!\n"); |
876c9d3a | 918 | if (--reset_count >= 0) { |
954ee164 | 919 | if_usb_reset_device(cardp); |
876c9d3a MT |
920 | goto restart; |
921 | } | |
922 | ||
0e4e06ae | 923 | pr_info("FW download failure, time = %d ms\n", i * 100); |
1556c0f2 | 924 | ret = -EIO; |
1dfba306 | 925 | goto done; |
876c9d3a MT |
926 | } |
927 | ||
ce84bb69 DD |
928 | cardp->priv->fw_ready = 1; |
929 | if_usb_submit_rx_urb(cardp); | |
930 | ||
931 | if (lbs_start_card(priv)) | |
1dfba306 | 932 | goto done; |
ce84bb69 DD |
933 | |
934 | if_usb_setup_firmware(priv); | |
935 | ||
936 | /* | |
937 | * EHS_REMOVE_WAKEUP is not supported on all versions of the firmware. | |
938 | */ | |
939 | priv->wol_criteria = EHS_REMOVE_WAKEUP; | |
940 | if (lbs_host_sleep_cfg(priv, priv->wol_criteria, NULL)) | |
941 | priv->ehs_remove_supported = false; | |
942 | ||
eae86bf3 | 943 | done: |
1dfba306 | 944 | cardp->fw = NULL; |
ce84bb69 | 945 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
946 | } |
947 | ||
1df4e8fe | 948 | |
876c9d3a MT |
949 | #ifdef CONFIG_PM |
950 | static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) | |
951 | { | |
eae86bf3 | 952 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 953 | struct lbs_private *priv = cardp->priv; |
d1f7a5b8 | 954 | int ret; |
876c9d3a | 955 | |
9012b28a | 956 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 957 | |
1e66eda1 JL |
958 | if (priv->psstate != PS_STATE_FULL_POWER) { |
959 | ret = -1; | |
960 | goto out; | |
961 | } | |
876c9d3a | 962 | |
dfb72c4f DD |
963 | #ifdef CONFIG_OLPC |
964 | if (machine_is_olpc()) { | |
965 | if (priv->wol_criteria == EHS_REMOVE_WAKEUP) | |
966 | olpc_ec_wakeup_clear(EC_SCI_SRC_WLAN); | |
967 | else | |
968 | olpc_ec_wakeup_set(EC_SCI_SRC_WLAN); | |
969 | } | |
970 | #endif | |
971 | ||
d1f7a5b8 DW |
972 | ret = lbs_suspend(priv); |
973 | if (ret) | |
974 | goto out; | |
876c9d3a MT |
975 | |
976 | /* Unlink tx & rx urb */ | |
977 | usb_kill_urb(cardp->tx_urb); | |
978 | usb_kill_urb(cardp->rx_urb); | |
979 | ||
d1f7a5b8 | 980 | out: |
9012b28a | 981 | lbs_deb_leave(LBS_DEB_USB); |
d1f7a5b8 | 982 | return ret; |
876c9d3a MT |
983 | } |
984 | ||
985 | static int if_usb_resume(struct usb_interface *intf) | |
986 | { | |
eae86bf3 | 987 | struct if_usb_card *cardp = usb_get_intfdata(intf); |
69f9032d | 988 | struct lbs_private *priv = cardp->priv; |
876c9d3a | 989 | |
9012b28a | 990 | lbs_deb_enter(LBS_DEB_USB); |
876c9d3a | 991 | |
6bc822b5 | 992 | if_usb_submit_rx_urb(cardp); |
876c9d3a | 993 | |
d1f7a5b8 | 994 | lbs_resume(priv); |
876c9d3a | 995 | |
9012b28a | 996 | lbs_deb_leave(LBS_DEB_USB); |
876c9d3a MT |
997 | return 0; |
998 | } | |
999 | #else | |
1000 | #define if_usb_suspend NULL | |
1001 | #define if_usb_resume NULL | |
1002 | #endif | |
1003 | ||
1004 | static struct usb_driver if_usb_driver = { | |
798fbfec | 1005 | .name = DRV_NAME, |
876c9d3a | 1006 | .probe = if_usb_probe, |
876c9d3a | 1007 | .disconnect = if_usb_disconnect, |
876c9d3a MT |
1008 | .id_table = if_usb_table, |
1009 | .suspend = if_usb_suspend, | |
1010 | .resume = if_usb_resume, | |
7b58ccfe | 1011 | .reset_resume = if_usb_resume, |
e1f12eb6 | 1012 | .disable_hub_initiated_lpm = 1, |
876c9d3a MT |
1013 | }; |
1014 | ||
d632eb1b | 1015 | module_usb_driver(if_usb_driver); |
084708b6 HS |
1016 | |
1017 | MODULE_DESCRIPTION("8388 USB WLAN Driver"); | |
eae86bf3 | 1018 | MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc."); |
084708b6 | 1019 | MODULE_LICENSE("GPL"); |