Commit | Line | Data |
---|---|---|
eff1a59c MW |
1 | |
2 | /* | |
3 | * Linux device driver for USB based Prism54 | |
4 | * | |
5 | * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> | |
6 | * | |
7 | * Based on the islsm (softmac prism54) driver, which is: | |
8 | * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | #include <linux/init.h> | |
16 | #include <linux/usb.h> | |
17 | #include <linux/pci.h> | |
18 | #include <linux/firmware.h> | |
19 | #include <linux/etherdevice.h> | |
20 | #include <linux/delay.h> | |
21 | #include <linux/crc32.h> | |
22 | #include <net/mac80211.h> | |
23 | ||
24 | #include "p54.h" | |
d8c92107 | 25 | #include "lmac.h" |
eff1a59c MW |
26 | #include "p54usb.h" |
27 | ||
28 | MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>"); | |
29 | MODULE_DESCRIPTION("Prism54 USB wireless driver"); | |
30 | MODULE_LICENSE("GPL"); | |
31 | MODULE_ALIAS("prism54usb"); | |
9a8675d7 CL |
32 | MODULE_FIRMWARE("isl3886usb"); |
33 | MODULE_FIRMWARE("isl3887usb"); | |
eff1a59c MW |
34 | |
35 | static struct usb_device_id p54u_table[] __devinitdata = { | |
36 | /* Version 1 devices (pci chip + net2280) */ | |
37 | {USB_DEVICE(0x0506, 0x0a11)}, /* 3COM 3CRWE254G72 */ | |
38 | {USB_DEVICE(0x0707, 0xee06)}, /* SMC 2862W-G */ | |
39 | {USB_DEVICE(0x083a, 0x4501)}, /* Accton 802.11g WN4501 USB */ | |
40 | {USB_DEVICE(0x083a, 0x4502)}, /* Siemens Gigaset USB Adapter */ | |
1a17582e | 41 | {USB_DEVICE(0x083a, 0x5501)}, /* Phillips CPWUA054 */ |
eff1a59c MW |
42 | {USB_DEVICE(0x0846, 0x4200)}, /* Netgear WG121 */ |
43 | {USB_DEVICE(0x0846, 0x4210)}, /* Netgear WG121 the second ? */ | |
44 | {USB_DEVICE(0x0846, 0x4220)}, /* Netgear WG111 */ | |
ec366eba | 45 | {USB_DEVICE(0x09aa, 0x1000)}, /* Spinnaker Proto board */ |
eff1a59c MW |
46 | {USB_DEVICE(0x0cde, 0x0006)}, /* Medion 40900, Roper Europe */ |
47 | {USB_DEVICE(0x124a, 0x4023)}, /* Shuttle PN15, Airvast WM168g, IOGear GWU513 */ | |
48 | {USB_DEVICE(0x1915, 0x2234)}, /* Linksys WUSB54G OEM */ | |
49 | {USB_DEVICE(0x1915, 0x2235)}, /* Linksys WUSB54G Portable OEM */ | |
50 | {USB_DEVICE(0x2001, 0x3701)}, /* DLink DWL-G120 Spinnaker */ | |
51 | {USB_DEVICE(0x2001, 0x3703)}, /* DLink DWL-G122 */ | |
52 | {USB_DEVICE(0x5041, 0x2234)}, /* Linksys WUSB54G */ | |
53 | {USB_DEVICE(0x5041, 0x2235)}, /* Linksys WUSB54G Portable */ | |
54 | ||
55 | /* Version 2 devices (3887) */ | |
4546002c | 56 | {USB_DEVICE(0x0471, 0x1230)}, /* Philips CPWUA054/00 */ |
eff1a59c MW |
57 | {USB_DEVICE(0x050d, 0x7050)}, /* Belkin F5D7050 ver 1000 */ |
58 | {USB_DEVICE(0x0572, 0x2000)}, /* Cohiba Proto board */ | |
59 | {USB_DEVICE(0x0572, 0x2002)}, /* Cohiba Proto board */ | |
878e6a43 | 60 | {USB_DEVICE(0x06b9, 0x0121)}, /* Thomson SpeedTouch 121g */ |
eff1a59c MW |
61 | {USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */ |
62 | {USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */ | |
63 | {USB_DEVICE(0x0846, 0x4240)}, /* Netgear WG111 (v2) */ | |
64 | {USB_DEVICE(0x0915, 0x2000)}, /* Cohiba Proto board */ | |
65 | {USB_DEVICE(0x0915, 0x2002)}, /* Cohiba Proto board */ | |
66 | {USB_DEVICE(0x0baf, 0x0118)}, /* U.S. Robotics U5 802.11g Adapter*/ | |
67 | {USB_DEVICE(0x0bf8, 0x1009)}, /* FUJITSU E-5400 USB D1700*/ | |
68 | {USB_DEVICE(0x0cde, 0x0006)}, /* Medion MD40900 */ | |
69 | {USB_DEVICE(0x0cde, 0x0008)}, /* Sagem XG703A */ | |
f7f71173 | 70 | {USB_DEVICE(0x0cde, 0x0015)}, /* Zcomax XG-705A */ |
eff1a59c | 71 | {USB_DEVICE(0x0d8e, 0x3762)}, /* DLink DWL-G120 Cohiba */ |
43557e15 | 72 | {USB_DEVICE(0x124a, 0x4025)}, /* IOGear GWU513 (GW3887IK chip) */ |
ec366eba | 73 | {USB_DEVICE(0x1260, 0xee22)}, /* SMC 2862W-G version 2 */ |
387e100a | 74 | {USB_DEVICE(0x13b1, 0x000a)}, /* Linksys WUSB54G ver 2 */ |
c1098103 | 75 | {USB_DEVICE(0x13B1, 0x000C)}, /* Linksys WUSB54AG */ |
e3062403 | 76 | {USB_DEVICE(0x1413, 0x5400)}, /* Telsey 802.11g USB2.0 Adapter */ |
eff1a59c MW |
77 | {USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */ |
78 | {USB_DEVICE(0x2001, 0x3704)}, /* DLink DWL-G122 rev A2 */ | |
79 | {USB_DEVICE(0x413c, 0x8102)}, /* Spinnaker DUT */ | |
80 | {USB_DEVICE(0x413c, 0x8104)}, /* Cohiba Proto board */ | |
81 | {} | |
82 | }; | |
83 | ||
84 | MODULE_DEVICE_TABLE(usb, p54u_table); | |
85 | ||
1ca5f2e9 CL |
86 | static const struct { |
87 | u32 intf; | |
88 | enum p54u_hw_type type; | |
328d84fb SO |
89 | const char *fw; |
90 | const char *fw_legacy; | |
1ca5f2e9 CL |
91 | char hw[20]; |
92 | } p54u_fwlist[__NUM_P54U_HWTYPES] = { | |
93 | { | |
94 | .type = P54U_NET2280, | |
95 | .intf = FW_LM86, | |
96 | .fw = "isl3886usb", | |
97 | .fw_legacy = "isl3890usb", | |
98 | .hw = "ISL3886 + net2280", | |
99 | }, | |
100 | { | |
101 | .type = P54U_3887, | |
102 | .intf = FW_LM87, | |
103 | .fw = "isl3887usb", | |
104 | .fw_legacy = "isl3887usb_bare", | |
105 | .hw = "ISL3887", | |
106 | }, | |
107 | }; | |
108 | ||
eff1a59c MW |
109 | static void p54u_rx_cb(struct urb *urb) |
110 | { | |
111 | struct sk_buff *skb = (struct sk_buff *) urb->context; | |
112 | struct p54u_rx_info *info = (struct p54u_rx_info *)skb->cb; | |
113 | struct ieee80211_hw *dev = info->dev; | |
114 | struct p54u_priv *priv = dev->priv; | |
115 | ||
dd397dc9 CL |
116 | skb_unlink(skb, &priv->rx_queue); |
117 | ||
eff1a59c | 118 | if (unlikely(urb->status)) { |
dd397dc9 | 119 | dev_kfree_skb_irq(skb); |
eff1a59c MW |
120 | return; |
121 | } | |
122 | ||
eff1a59c | 123 | skb_put(skb, urb->actual_length); |
2b80848e CL |
124 | |
125 | if (priv->hw_type == P54U_NET2280) | |
126 | skb_pull(skb, priv->common.tx_hdr_len); | |
127 | if (priv->common.fw_interface == FW_LM87) { | |
128 | skb_pull(skb, 4); | |
129 | skb_put(skb, 4); | |
130 | } | |
eff1a59c MW |
131 | |
132 | if (p54_rx(dev, skb)) { | |
4e416a6f | 133 | skb = dev_alloc_skb(priv->common.rx_mtu + 32); |
eff1a59c | 134 | if (unlikely(!skb)) { |
eff1a59c MW |
135 | /* TODO check rx queue length and refill *somewhere* */ |
136 | return; | |
137 | } | |
138 | ||
139 | info = (struct p54u_rx_info *) skb->cb; | |
140 | info->urb = urb; | |
141 | info->dev = dev; | |
142 | urb->transfer_buffer = skb_tail_pointer(skb); | |
143 | urb->context = skb; | |
eff1a59c | 144 | } else { |
2b80848e CL |
145 | if (priv->hw_type == P54U_NET2280) |
146 | skb_push(skb, priv->common.tx_hdr_len); | |
147 | if (priv->common.fw_interface == FW_LM87) { | |
148 | skb_push(skb, 4); | |
149 | skb_put(skb, 4); | |
150 | } | |
d47c3ceb | 151 | skb_reset_tail_pointer(skb); |
eff1a59c | 152 | skb_trim(skb, 0); |
1ca5f2e9 | 153 | urb->transfer_buffer = skb_tail_pointer(skb); |
eff1a59c | 154 | } |
dd397dc9 CL |
155 | skb_queue_tail(&priv->rx_queue, skb); |
156 | usb_anchor_urb(urb, &priv->submitted); | |
157 | if (usb_submit_urb(urb, GFP_ATOMIC)) { | |
158 | skb_unlink(skb, &priv->rx_queue); | |
159 | usb_unanchor_urb(urb); | |
160 | dev_kfree_skb_irq(skb); | |
161 | } | |
eff1a59c MW |
162 | } |
163 | ||
0a5ec96a | 164 | static void p54u_tx_cb(struct urb *urb) |
b92f30d6 CL |
165 | { |
166 | struct sk_buff *skb = urb->context; | |
167 | struct ieee80211_hw *dev = (struct ieee80211_hw *) | |
168 | usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0)); | |
169 | ||
e2fe154e | 170 | p54_free_skb(dev, skb); |
dd397dc9 CL |
171 | } |
172 | ||
173 | static void p54u_tx_dummy_cb(struct urb *urb) { } | |
174 | ||
175 | static void p54u_free_urbs(struct ieee80211_hw *dev) | |
176 | { | |
177 | struct p54u_priv *priv = dev->priv; | |
178 | usb_kill_anchored_urbs(&priv->submitted); | |
b92f30d6 CL |
179 | } |
180 | ||
eff1a59c MW |
181 | static int p54u_init_urbs(struct ieee80211_hw *dev) |
182 | { | |
183 | struct p54u_priv *priv = dev->priv; | |
dd397dc9 | 184 | struct urb *entry = NULL; |
eff1a59c MW |
185 | struct sk_buff *skb; |
186 | struct p54u_rx_info *info; | |
dd397dc9 | 187 | int ret = 0; |
eff1a59c MW |
188 | |
189 | while (skb_queue_len(&priv->rx_queue) < 32) { | |
4e416a6f | 190 | skb = __dev_alloc_skb(priv->common.rx_mtu + 32, GFP_KERNEL); |
dd397dc9 CL |
191 | if (!skb) { |
192 | ret = -ENOMEM; | |
193 | goto err; | |
194 | } | |
eff1a59c MW |
195 | entry = usb_alloc_urb(0, GFP_KERNEL); |
196 | if (!entry) { | |
dd397dc9 CL |
197 | ret = -ENOMEM; |
198 | goto err; | |
eff1a59c | 199 | } |
dd397dc9 | 200 | |
4e416a6f CL |
201 | usb_fill_bulk_urb(entry, priv->udev, |
202 | usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), | |
203 | skb_tail_pointer(skb), | |
204 | priv->common.rx_mtu + 32, p54u_rx_cb, skb); | |
eff1a59c MW |
205 | info = (struct p54u_rx_info *) skb->cb; |
206 | info->urb = entry; | |
207 | info->dev = dev; | |
208 | skb_queue_tail(&priv->rx_queue, skb); | |
dd397dc9 CL |
209 | |
210 | usb_anchor_urb(entry, &priv->submitted); | |
211 | ret = usb_submit_urb(entry, GFP_KERNEL); | |
212 | if (ret) { | |
213 | skb_unlink(skb, &priv->rx_queue); | |
214 | usb_unanchor_urb(entry); | |
215 | goto err; | |
216 | } | |
217 | usb_free_urb(entry); | |
218 | entry = NULL; | |
eff1a59c MW |
219 | } |
220 | ||
221 | return 0; | |
eff1a59c | 222 | |
dd397dc9 CL |
223 | err: |
224 | usb_free_urb(entry); | |
225 | kfree_skb(skb); | |
226 | p54u_free_urbs(dev); | |
227 | return ret; | |
eff1a59c MW |
228 | } |
229 | ||
c9127659 | 230 | static __le32 p54u_lm87_chksum(const __le32 *data, size_t length) |
2b80848e | 231 | { |
1f1c0e33 | 232 | u32 chk = 0; |
2b80848e CL |
233 | |
234 | length >>= 2; | |
235 | while (length--) { | |
c9127659 | 236 | chk ^= le32_to_cpu(*data++); |
2b80848e CL |
237 | chk = (chk >> 5) ^ (chk << 3); |
238 | } | |
239 | ||
1f1c0e33 | 240 | return cpu_to_le32(chk); |
2b80848e CL |
241 | } |
242 | ||
0a5ec96a | 243 | static void p54u_tx_lm87(struct ieee80211_hw *dev, struct sk_buff *skb) |
2b80848e CL |
244 | { |
245 | struct p54u_priv *priv = dev->priv; | |
246 | struct urb *data_urb; | |
e2fe154e | 247 | struct lm87_tx_hdr *hdr = (void *)skb->data - sizeof(*hdr); |
2b80848e CL |
248 | |
249 | data_urb = usb_alloc_urb(0, GFP_ATOMIC); | |
6d541a68 CL |
250 | if (!data_urb) { |
251 | p54_free_skb(dev, skb); | |
2b80848e | 252 | return; |
6d541a68 | 253 | } |
2b80848e | 254 | |
e2fe154e CL |
255 | hdr->chksum = p54u_lm87_chksum((__le32 *)skb->data, skb->len); |
256 | hdr->device_addr = ((struct p54_hdr *)skb->data)->req_id; | |
2b80848e CL |
257 | |
258 | usb_fill_bulk_urb(data_urb, priv->udev, | |
b92f30d6 | 259 | usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), |
e2fe154e CL |
260 | hdr, skb->len + sizeof(*hdr), FREE_AFTER_TX(skb) ? |
261 | p54u_tx_cb : p54u_tx_dummy_cb, skb); | |
00627f22 | 262 | data_urb->transfer_flags |= URB_ZERO_PACKET; |
2b80848e | 263 | |
dd397dc9 CL |
264 | usb_anchor_urb(data_urb, &priv->submitted); |
265 | if (usb_submit_urb(data_urb, GFP_ATOMIC)) { | |
266 | usb_unanchor_urb(data_urb); | |
dd397dc9 CL |
267 | p54_free_skb(dev, skb); |
268 | } | |
269 | usb_free_urb(data_urb); | |
2b80848e CL |
270 | } |
271 | ||
0a5ec96a | 272 | static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb) |
eff1a59c MW |
273 | { |
274 | struct p54u_priv *priv = dev->priv; | |
6d541a68 | 275 | struct urb *int_urb = NULL, *data_urb = NULL; |
e2fe154e | 276 | struct net2280_tx_hdr *hdr = (void *)skb->data - sizeof(*hdr); |
6d541a68 CL |
277 | struct net2280_reg_write *reg = NULL; |
278 | int err = -ENOMEM; | |
eff1a59c MW |
279 | |
280 | reg = kmalloc(sizeof(*reg), GFP_ATOMIC); | |
281 | if (!reg) | |
6d541a68 | 282 | goto out; |
eff1a59c MW |
283 | |
284 | int_urb = usb_alloc_urb(0, GFP_ATOMIC); | |
6d541a68 CL |
285 | if (!int_urb) |
286 | goto out; | |
eff1a59c MW |
287 | |
288 | data_urb = usb_alloc_urb(0, GFP_ATOMIC); | |
6d541a68 CL |
289 | if (!data_urb) |
290 | goto out; | |
eff1a59c MW |
291 | |
292 | reg->port = cpu_to_le16(NET2280_DEV_U32); | |
293 | reg->addr = cpu_to_le32(P54U_DEV_BASE); | |
294 | reg->val = cpu_to_le32(ISL38XX_DEV_INT_DATA); | |
295 | ||
eff1a59c | 296 | memset(hdr, 0, sizeof(*hdr)); |
e2fe154e CL |
297 | hdr->len = cpu_to_le16(skb->len); |
298 | hdr->device_addr = ((struct p54_hdr *) skb->data)->req_id; | |
eff1a59c MW |
299 | |
300 | usb_fill_bulk_urb(int_urb, priv->udev, | |
301 | usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV), reg, sizeof(*reg), | |
dd397dc9 CL |
302 | p54u_tx_dummy_cb, dev); |
303 | ||
304 | /* | |
6d541a68 CL |
305 | * URB_FREE_BUFFER triggers a code path in the USB subsystem that will |
306 | * free what is inside the transfer_buffer after the last reference to | |
307 | * the int_urb is dropped. | |
dd397dc9 | 308 | */ |
b4068a80 | 309 | int_urb->transfer_flags |= URB_FREE_BUFFER | URB_ZERO_PACKET; |
6d541a68 | 310 | reg = NULL; |
eff1a59c MW |
311 | |
312 | usb_fill_bulk_urb(data_urb, priv->udev, | |
b92f30d6 | 313 | usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), |
e2fe154e CL |
314 | hdr, skb->len + sizeof(*hdr), FREE_AFTER_TX(skb) ? |
315 | p54u_tx_cb : p54u_tx_dummy_cb, skb); | |
b4068a80 | 316 | data_urb->transfer_flags |= URB_ZERO_PACKET; |
dd397dc9 CL |
317 | |
318 | usb_anchor_urb(int_urb, &priv->submitted); | |
319 | err = usb_submit_urb(int_urb, GFP_ATOMIC); | |
320 | if (err) { | |
321 | usb_unanchor_urb(int_urb); | |
322 | goto out; | |
323 | } | |
324 | ||
325 | usb_anchor_urb(data_urb, &priv->submitted); | |
326 | err = usb_submit_urb(data_urb, GFP_ATOMIC); | |
327 | if (err) { | |
328 | usb_unanchor_urb(data_urb); | |
329 | goto out; | |
330 | } | |
6d541a68 | 331 | out: |
dd397dc9 CL |
332 | usb_free_urb(int_urb); |
333 | usb_free_urb(data_urb); | |
334 | ||
335 | if (err) { | |
6d541a68 | 336 | kfree(reg); |
dd397dc9 CL |
337 | p54_free_skb(dev, skb); |
338 | } | |
eff1a59c MW |
339 | } |
340 | ||
341 | static int p54u_write(struct p54u_priv *priv, | |
342 | struct net2280_reg_write *buf, | |
343 | enum net2280_op_type type, | |
344 | __le32 addr, __le32 val) | |
345 | { | |
346 | unsigned int ep; | |
347 | int alen; | |
348 | ||
349 | if (type & 0x0800) | |
350 | ep = usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV); | |
351 | else | |
352 | ep = usb_sndbulkpipe(priv->udev, P54U_PIPE_BRG); | |
353 | ||
354 | buf->port = cpu_to_le16(type); | |
355 | buf->addr = addr; | |
356 | buf->val = val; | |
357 | ||
358 | return usb_bulk_msg(priv->udev, ep, buf, sizeof(*buf), &alen, 1000); | |
359 | } | |
360 | ||
361 | static int p54u_read(struct p54u_priv *priv, void *buf, | |
362 | enum net2280_op_type type, | |
363 | __le32 addr, __le32 *val) | |
364 | { | |
365 | struct net2280_reg_read *read = buf; | |
366 | __le32 *reg = buf; | |
367 | unsigned int ep; | |
368 | int alen, err; | |
369 | ||
370 | if (type & 0x0800) | |
371 | ep = P54U_PIPE_DEV; | |
372 | else | |
373 | ep = P54U_PIPE_BRG; | |
374 | ||
375 | read->port = cpu_to_le16(type); | |
376 | read->addr = addr; | |
377 | ||
378 | err = usb_bulk_msg(priv->udev, usb_sndbulkpipe(priv->udev, ep), | |
379 | read, sizeof(*read), &alen, 1000); | |
380 | if (err) | |
381 | return err; | |
382 | ||
383 | err = usb_bulk_msg(priv->udev, usb_rcvbulkpipe(priv->udev, ep), | |
384 | reg, sizeof(*reg), &alen, 1000); | |
385 | if (err) | |
386 | return err; | |
387 | ||
388 | *val = *reg; | |
389 | return 0; | |
390 | } | |
391 | ||
392 | static int p54u_bulk_msg(struct p54u_priv *priv, unsigned int ep, | |
393 | void *data, size_t len) | |
394 | { | |
395 | int alen; | |
396 | return usb_bulk_msg(priv->udev, usb_sndbulkpipe(priv->udev, ep), | |
397 | data, len, &alen, 2000); | |
398 | } | |
399 | ||
1ca5f2e9 | 400 | static int p54u_device_reset(struct ieee80211_hw *dev) |
6982869d CL |
401 | { |
402 | struct p54u_priv *priv = dev->priv; | |
c88a768d | 403 | int ret, lock = (priv->intf->condition != USB_INTERFACE_BINDING); |
6982869d | 404 | |
c88a768d CL |
405 | if (lock) { |
406 | ret = usb_lock_device_for_reset(priv->udev, priv->intf); | |
407 | if (ret < 0) { | |
408 | dev_err(&priv->udev->dev, "(p54usb) unable to lock " | |
1ca5f2e9 | 409 | "device for reset (%d)!\n", ret); |
c88a768d CL |
410 | return ret; |
411 | } | |
6982869d CL |
412 | } |
413 | ||
414 | ret = usb_reset_device(priv->udev); | |
415 | if (lock) | |
416 | usb_unlock_device(priv->udev); | |
417 | ||
1ca5f2e9 | 418 | if (ret) |
6982869d | 419 | dev_err(&priv->udev->dev, "(p54usb) unable to reset " |
1ca5f2e9 CL |
420 | "device (%d)!\n", ret); |
421 | ||
422 | return ret; | |
423 | } | |
424 | ||
425 | static const char p54u_romboot_3887[] = "~~~~"; | |
426 | static int p54u_firmware_reset_3887(struct ieee80211_hw *dev) | |
427 | { | |
428 | struct p54u_priv *priv = dev->priv; | |
429 | u8 buf[4]; | |
430 | int ret; | |
6982869d CL |
431 | |
432 | memcpy(&buf, p54u_romboot_3887, sizeof(buf)); | |
433 | ret = p54u_bulk_msg(priv, P54U_PIPE_DATA, | |
434 | buf, sizeof(buf)); | |
435 | if (ret) | |
436 | dev_err(&priv->udev->dev, "(p54usb) unable to jump to " | |
1ca5f2e9 | 437 | "boot ROM (%d)!\n", ret); |
6982869d CL |
438 | |
439 | return ret; | |
440 | } | |
441 | ||
1ca5f2e9 | 442 | static const char p54u_firmware_upload_3887[] = "<\r"; |
eff1a59c MW |
443 | static int p54u_upload_firmware_3887(struct ieee80211_hw *dev) |
444 | { | |
eff1a59c | 445 | struct p54u_priv *priv = dev->priv; |
eff1a59c MW |
446 | int err, alen; |
447 | u8 carry = 0; | |
8b72eb43 DW |
448 | u8 *buf, *tmp; |
449 | const u8 *data; | |
eff1a59c MW |
450 | unsigned int left, remains, block_size; |
451 | struct x2_header *hdr; | |
452 | unsigned long timeout; | |
453 | ||
1ca5f2e9 CL |
454 | err = p54u_firmware_reset_3887(dev); |
455 | if (err) | |
456 | return err; | |
457 | ||
eff1a59c MW |
458 | tmp = buf = kmalloc(P54U_FW_BLOCK, GFP_KERNEL); |
459 | if (!buf) { | |
02e37ba1 CL |
460 | dev_err(&priv->udev->dev, "(p54usb) cannot allocate firmware" |
461 | "upload buffer!\n"); | |
1ca5f2e9 | 462 | return -ENOMEM; |
e365f160 CL |
463 | } |
464 | ||
1ca5f2e9 | 465 | left = block_size = min((size_t)P54U_FW_BLOCK, priv->fw->size); |
6982869d CL |
466 | strcpy(buf, p54u_firmware_upload_3887); |
467 | left -= strlen(p54u_firmware_upload_3887); | |
468 | tmp += strlen(p54u_firmware_upload_3887); | |
eff1a59c | 469 | |
1ca5f2e9 CL |
470 | data = priv->fw->data; |
471 | remains = priv->fw->size; | |
eff1a59c | 472 | |
6982869d | 473 | hdr = (struct x2_header *)(buf + strlen(p54u_firmware_upload_3887)); |
eff1a59c MW |
474 | memcpy(hdr->signature, X2_SIGNATURE, X2_SIGNATURE_SIZE); |
475 | hdr->fw_load_addr = cpu_to_le32(ISL38XX_DEV_FIRMWARE_ADDR); | |
1ca5f2e9 | 476 | hdr->fw_length = cpu_to_le32(priv->fw->size); |
eff1a59c MW |
477 | hdr->crc = cpu_to_le32(~crc32_le(~0, (void *)&hdr->fw_load_addr, |
478 | sizeof(u32)*2)); | |
479 | left -= sizeof(*hdr); | |
480 | tmp += sizeof(*hdr); | |
481 | ||
482 | while (remains) { | |
483 | while (left--) { | |
484 | if (carry) { | |
485 | *tmp++ = carry; | |
486 | carry = 0; | |
487 | remains--; | |
488 | continue; | |
489 | } | |
490 | switch (*data) { | |
491 | case '~': | |
492 | *tmp++ = '}'; | |
493 | carry = '^'; | |
494 | break; | |
495 | case '}': | |
496 | *tmp++ = '}'; | |
497 | carry = ']'; | |
498 | break; | |
499 | default: | |
500 | *tmp++ = *data; | |
501 | remains--; | |
502 | break; | |
503 | } | |
504 | data++; | |
505 | } | |
506 | ||
507 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, block_size); | |
508 | if (err) { | |
02e37ba1 CL |
509 | dev_err(&priv->udev->dev, "(p54usb) firmware " |
510 | "upload failed!\n"); | |
eff1a59c MW |
511 | goto err_upload_failed; |
512 | } | |
513 | ||
514 | tmp = buf; | |
515 | left = block_size = min((unsigned int)P54U_FW_BLOCK, remains); | |
516 | } | |
517 | ||
1ca5f2e9 CL |
518 | *((__le32 *)buf) = cpu_to_le32(~crc32_le(~0, priv->fw->data, |
519 | priv->fw->size)); | |
eff1a59c MW |
520 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, sizeof(u32)); |
521 | if (err) { | |
02e37ba1 | 522 | dev_err(&priv->udev->dev, "(p54usb) firmware upload failed!\n"); |
eff1a59c MW |
523 | goto err_upload_failed; |
524 | } | |
eff1a59c MW |
525 | timeout = jiffies + msecs_to_jiffies(1000); |
526 | while (!(err = usb_bulk_msg(priv->udev, | |
527 | usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), buf, 128, &alen, 1000))) { | |
528 | if (alen > 2 && !memcmp(buf, "OK", 2)) | |
529 | break; | |
530 | ||
531 | if (alen > 5 && !memcmp(buf, "ERROR", 5)) { | |
eff1a59c MW |
532 | err = -EINVAL; |
533 | break; | |
534 | } | |
535 | ||
536 | if (time_after(jiffies, timeout)) { | |
02e37ba1 CL |
537 | dev_err(&priv->udev->dev, "(p54usb) firmware boot " |
538 | "timed out!\n"); | |
eff1a59c MW |
539 | err = -ETIMEDOUT; |
540 | break; | |
541 | } | |
542 | } | |
02e37ba1 CL |
543 | if (err) { |
544 | dev_err(&priv->udev->dev, "(p54usb) firmware upload failed!\n"); | |
eff1a59c | 545 | goto err_upload_failed; |
02e37ba1 | 546 | } |
eff1a59c MW |
547 | |
548 | buf[0] = 'g'; | |
549 | buf[1] = '\r'; | |
550 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, 2); | |
551 | if (err) { | |
02e37ba1 | 552 | dev_err(&priv->udev->dev, "(p54usb) firmware boot failed!\n"); |
eff1a59c MW |
553 | goto err_upload_failed; |
554 | } | |
555 | ||
556 | timeout = jiffies + msecs_to_jiffies(1000); | |
557 | while (!(err = usb_bulk_msg(priv->udev, | |
558 | usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), buf, 128, &alen, 1000))) { | |
559 | if (alen > 0 && buf[0] == 'g') | |
560 | break; | |
561 | ||
562 | if (time_after(jiffies, timeout)) { | |
563 | err = -ETIMEDOUT; | |
564 | break; | |
565 | } | |
566 | } | |
567 | if (err) | |
568 | goto err_upload_failed; | |
569 | ||
1ca5f2e9 | 570 | err_upload_failed: |
eff1a59c | 571 | kfree(buf); |
eff1a59c MW |
572 | return err; |
573 | } | |
574 | ||
575 | static int p54u_upload_firmware_net2280(struct ieee80211_hw *dev) | |
576 | { | |
577 | struct p54u_priv *priv = dev->priv; | |
eff1a59c MW |
578 | const struct p54p_csr *devreg = (const struct p54p_csr *) P54U_DEV_BASE; |
579 | int err, alen; | |
580 | void *buf; | |
581 | __le32 reg; | |
582 | unsigned int remains, offset; | |
8b72eb43 | 583 | const u8 *data; |
eff1a59c MW |
584 | |
585 | buf = kmalloc(512, GFP_KERNEL); | |
586 | if (!buf) { | |
02e37ba1 CL |
587 | dev_err(&priv->udev->dev, "(p54usb) firmware buffer " |
588 | "alloc failed!\n"); | |
eff1a59c MW |
589 | return -ENOMEM; |
590 | } | |
591 | ||
eff1a59c MW |
592 | #define P54U_WRITE(type, addr, data) \ |
593 | do {\ | |
594 | err = p54u_write(priv, buf, type,\ | |
595 | cpu_to_le32((u32)(unsigned long)addr), data);\ | |
596 | if (err) \ | |
597 | goto fail;\ | |
598 | } while (0) | |
599 | ||
600 | #define P54U_READ(type, addr) \ | |
601 | do {\ | |
602 | err = p54u_read(priv, buf, type,\ | |
603 | cpu_to_le32((u32)(unsigned long)addr), ®);\ | |
604 | if (err)\ | |
605 | goto fail;\ | |
606 | } while (0) | |
607 | ||
608 | /* power down net2280 bridge */ | |
609 | P54U_READ(NET2280_BRG_U32, NET2280_GPIOCTL); | |
610 | reg |= cpu_to_le32(P54U_BRG_POWER_DOWN); | |
611 | reg &= cpu_to_le32(~P54U_BRG_POWER_UP); | |
612 | P54U_WRITE(NET2280_BRG_U32, NET2280_GPIOCTL, reg); | |
613 | ||
614 | mdelay(100); | |
615 | ||
616 | /* power up bridge */ | |
617 | reg |= cpu_to_le32(P54U_BRG_POWER_UP); | |
618 | reg &= cpu_to_le32(~P54U_BRG_POWER_DOWN); | |
619 | P54U_WRITE(NET2280_BRG_U32, NET2280_GPIOCTL, reg); | |
620 | ||
621 | mdelay(100); | |
622 | ||
623 | P54U_WRITE(NET2280_BRG_U32, NET2280_DEVINIT, | |
624 | cpu_to_le32(NET2280_CLK_30Mhz | | |
625 | NET2280_PCI_ENABLE | | |
626 | NET2280_PCI_SOFT_RESET)); | |
627 | ||
628 | mdelay(20); | |
629 | ||
630 | P54U_WRITE(NET2280_BRG_CFG_U16, PCI_COMMAND, | |
631 | cpu_to_le32(PCI_COMMAND_MEMORY | | |
632 | PCI_COMMAND_MASTER)); | |
633 | ||
634 | P54U_WRITE(NET2280_BRG_CFG_U32, PCI_BASE_ADDRESS_0, | |
635 | cpu_to_le32(NET2280_BASE)); | |
636 | ||
637 | P54U_READ(NET2280_BRG_CFG_U16, PCI_STATUS); | |
638 | reg |= cpu_to_le32(PCI_STATUS_REC_MASTER_ABORT); | |
639 | P54U_WRITE(NET2280_BRG_CFG_U16, PCI_STATUS, reg); | |
640 | ||
641 | // TODO: we really need this? | |
642 | P54U_READ(NET2280_BRG_U32, NET2280_RELNUM); | |
643 | ||
644 | P54U_WRITE(NET2280_BRG_U32, NET2280_EPA_RSP, | |
645 | cpu_to_le32(NET2280_CLEAR_NAK_OUT_PACKETS_MODE)); | |
646 | P54U_WRITE(NET2280_BRG_U32, NET2280_EPC_RSP, | |
647 | cpu_to_le32(NET2280_CLEAR_NAK_OUT_PACKETS_MODE)); | |
648 | ||
649 | P54U_WRITE(NET2280_BRG_CFG_U32, PCI_BASE_ADDRESS_2, | |
650 | cpu_to_le32(NET2280_BASE2)); | |
651 | ||
652 | /* finally done setting up the bridge */ | |
653 | ||
654 | P54U_WRITE(NET2280_DEV_CFG_U16, 0x10000 | PCI_COMMAND, | |
655 | cpu_to_le32(PCI_COMMAND_MEMORY | | |
656 | PCI_COMMAND_MASTER)); | |
657 | ||
658 | P54U_WRITE(NET2280_DEV_CFG_U16, 0x10000 | 0x40 /* TRDY timeout */, 0); | |
659 | P54U_WRITE(NET2280_DEV_CFG_U32, 0x10000 | PCI_BASE_ADDRESS_0, | |
660 | cpu_to_le32(P54U_DEV_BASE)); | |
661 | ||
662 | P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, 0); | |
663 | P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1, | |
664 | cpu_to_le32(NET2280_PCI_INTA_INTERRUPT)); | |
665 | ||
666 | /* do romboot */ | |
667 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_enable, 0); | |
668 | ||
669 | P54U_READ(NET2280_DEV_U32, &devreg->ctrl_stat); | |
670 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | |
671 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RAMBOOT); | |
672 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN); | |
673 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | |
674 | ||
675 | mdelay(20); | |
676 | ||
677 | reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET); | |
678 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | |
679 | ||
680 | mdelay(20); | |
681 | ||
682 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | |
683 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | |
684 | ||
685 | mdelay(100); | |
686 | ||
687 | P54U_READ(NET2280_DEV_U32, &devreg->int_ident); | |
688 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg); | |
689 | ||
690 | /* finally, we can upload firmware now! */ | |
1ca5f2e9 CL |
691 | remains = priv->fw->size; |
692 | data = priv->fw->data; | |
eff1a59c MW |
693 | offset = ISL38XX_DEV_FIRMWARE_ADDR; |
694 | ||
695 | while (remains) { | |
696 | unsigned int block_len = min(remains, (unsigned int)512); | |
697 | memcpy(buf, data, block_len); | |
698 | ||
699 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, block_len); | |
700 | if (err) { | |
02e37ba1 CL |
701 | dev_err(&priv->udev->dev, "(p54usb) firmware block " |
702 | "upload failed\n"); | |
eff1a59c MW |
703 | goto fail; |
704 | } | |
705 | ||
706 | P54U_WRITE(NET2280_DEV_U32, &devreg->direct_mem_base, | |
707 | cpu_to_le32(0xc0000f00)); | |
708 | ||
709 | P54U_WRITE(NET2280_DEV_U32, | |
710 | 0x0020 | (unsigned long)&devreg->direct_mem_win, 0); | |
711 | P54U_WRITE(NET2280_DEV_U32, | |
712 | 0x0020 | (unsigned long)&devreg->direct_mem_win, | |
713 | cpu_to_le32(1)); | |
714 | ||
715 | P54U_WRITE(NET2280_DEV_U32, | |
716 | 0x0024 | (unsigned long)&devreg->direct_mem_win, | |
717 | cpu_to_le32(block_len)); | |
718 | P54U_WRITE(NET2280_DEV_U32, | |
719 | 0x0028 | (unsigned long)&devreg->direct_mem_win, | |
720 | cpu_to_le32(offset)); | |
721 | ||
722 | P54U_WRITE(NET2280_DEV_U32, &devreg->dma_addr, | |
723 | cpu_to_le32(NET2280_EPA_FIFO_PCI_ADDR)); | |
724 | P54U_WRITE(NET2280_DEV_U32, &devreg->dma_len, | |
725 | cpu_to_le32(block_len >> 2)); | |
726 | P54U_WRITE(NET2280_DEV_U32, &devreg->dma_ctrl, | |
727 | cpu_to_le32(ISL38XX_DMA_MASTER_CONTROL_TRIGGER)); | |
728 | ||
729 | mdelay(10); | |
730 | ||
731 | P54U_READ(NET2280_DEV_U32, | |
732 | 0x002C | (unsigned long)&devreg->direct_mem_win); | |
733 | if (!(reg & cpu_to_le32(ISL38XX_DMA_STATUS_DONE)) || | |
734 | !(reg & cpu_to_le32(ISL38XX_DMA_STATUS_READY))) { | |
02e37ba1 CL |
735 | dev_err(&priv->udev->dev, "(p54usb) firmware DMA " |
736 | "transfer failed\n"); | |
eff1a59c MW |
737 | goto fail; |
738 | } | |
739 | ||
740 | P54U_WRITE(NET2280_BRG_U32, NET2280_EPA_STAT, | |
741 | cpu_to_le32(NET2280_FIFO_FLUSH)); | |
742 | ||
743 | remains -= block_len; | |
744 | data += block_len; | |
745 | offset += block_len; | |
746 | } | |
747 | ||
748 | /* do ramboot */ | |
749 | P54U_READ(NET2280_DEV_U32, &devreg->ctrl_stat); | |
750 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | |
751 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN); | |
752 | reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RAMBOOT); | |
753 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | |
754 | ||
755 | mdelay(20); | |
756 | ||
757 | reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET); | |
758 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | |
759 | ||
760 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | |
761 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | |
762 | ||
763 | mdelay(100); | |
764 | ||
765 | P54U_READ(NET2280_DEV_U32, &devreg->int_ident); | |
766 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg); | |
767 | ||
768 | /* start up the firmware */ | |
769 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_enable, | |
770 | cpu_to_le32(ISL38XX_INT_IDENT_INIT)); | |
771 | ||
772 | P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1, | |
773 | cpu_to_le32(NET2280_PCI_INTA_INTERRUPT)); | |
774 | ||
775 | P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, | |
776 | cpu_to_le32(NET2280_PCI_INTA_INTERRUPT_ENABLE | | |
777 | NET2280_USB_INTERRUPT_ENABLE)); | |
778 | ||
779 | P54U_WRITE(NET2280_DEV_U32, &devreg->dev_int, | |
780 | cpu_to_le32(ISL38XX_DEV_INT_RESET)); | |
781 | ||
782 | err = usb_interrupt_msg(priv->udev, | |
783 | usb_rcvbulkpipe(priv->udev, P54U_PIPE_INT), | |
784 | buf, sizeof(__le32), &alen, 1000); | |
785 | if (err || alen != sizeof(__le32)) | |
786 | goto fail; | |
787 | ||
788 | P54U_READ(NET2280_DEV_U32, &devreg->int_ident); | |
789 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg); | |
790 | ||
791 | if (!(reg & cpu_to_le32(ISL38XX_INT_IDENT_INIT))) | |
792 | err = -EINVAL; | |
793 | ||
794 | P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, 0); | |
795 | P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1, | |
796 | cpu_to_le32(NET2280_PCI_INTA_INTERRUPT)); | |
797 | ||
798 | #undef P54U_WRITE | |
799 | #undef P54U_READ | |
800 | ||
1ca5f2e9 | 801 | fail: |
eff1a59c MW |
802 | kfree(buf); |
803 | return err; | |
804 | } | |
805 | ||
1ca5f2e9 CL |
806 | static int p54u_load_firmware(struct ieee80211_hw *dev) |
807 | { | |
808 | struct p54u_priv *priv = dev->priv; | |
809 | int err, i; | |
810 | ||
811 | BUILD_BUG_ON(ARRAY_SIZE(p54u_fwlist) != __NUM_P54U_HWTYPES); | |
812 | ||
813 | for (i = 0; i < __NUM_P54U_HWTYPES; i++) | |
814 | if (p54u_fwlist[i].type == priv->hw_type) | |
815 | break; | |
816 | ||
817 | if (i == __NUM_P54U_HWTYPES) | |
818 | return -EOPNOTSUPP; | |
819 | ||
820 | err = request_firmware(&priv->fw, p54u_fwlist[i].fw, &priv->udev->dev); | |
821 | if (err) { | |
822 | dev_err(&priv->udev->dev, "(p54usb) cannot load firmware %s " | |
823 | "(%d)!\n", p54u_fwlist[i].fw, err); | |
824 | ||
825 | err = request_firmware(&priv->fw, p54u_fwlist[i].fw_legacy, | |
826 | &priv->udev->dev); | |
827 | if (err) | |
828 | return err; | |
829 | } | |
830 | ||
831 | err = p54_parse_firmware(dev, priv->fw); | |
832 | if (err) | |
833 | goto out; | |
834 | ||
835 | if (priv->common.fw_interface != p54u_fwlist[i].intf) { | |
836 | dev_err(&priv->udev->dev, "wrong firmware, please get " | |
837 | "a firmware for \"%s\" and try again.\n", | |
838 | p54u_fwlist[i].hw); | |
839 | err = -EINVAL; | |
840 | } | |
841 | ||
842 | out: | |
843 | if (err) | |
844 | release_firmware(priv->fw); | |
845 | ||
846 | return err; | |
847 | } | |
848 | ||
eff1a59c MW |
849 | static int p54u_open(struct ieee80211_hw *dev) |
850 | { | |
851 | struct p54u_priv *priv = dev->priv; | |
852 | int err; | |
853 | ||
854 | err = p54u_init_urbs(dev); | |
855 | if (err) { | |
856 | return err; | |
857 | } | |
858 | ||
859 | priv->common.open = p54u_init_urbs; | |
860 | ||
861 | return 0; | |
862 | } | |
863 | ||
864 | static void p54u_stop(struct ieee80211_hw *dev) | |
865 | { | |
866 | /* TODO: figure out how to reliably stop the 3887 and net2280 so | |
867 | the hardware is still usable next time we want to start it. | |
868 | until then, we just stop listening to the hardware.. */ | |
869 | p54u_free_urbs(dev); | |
870 | return; | |
871 | } | |
872 | ||
873 | static int __devinit p54u_probe(struct usb_interface *intf, | |
874 | const struct usb_device_id *id) | |
875 | { | |
876 | struct usb_device *udev = interface_to_usbdev(intf); | |
877 | struct ieee80211_hw *dev; | |
878 | struct p54u_priv *priv; | |
879 | int err; | |
880 | unsigned int i, recognized_pipes; | |
eff1a59c MW |
881 | |
882 | dev = p54_init_common(sizeof(*priv)); | |
02e37ba1 | 883 | |
eff1a59c | 884 | if (!dev) { |
02e37ba1 | 885 | dev_err(&udev->dev, "(p54usb) ieee80211 alloc failed\n"); |
eff1a59c MW |
886 | return -ENOMEM; |
887 | } | |
888 | ||
889 | priv = dev->priv; | |
1ca5f2e9 | 890 | priv->hw_type = P54U_INVALID_HW; |
eff1a59c MW |
891 | |
892 | SET_IEEE80211_DEV(dev, &intf->dev); | |
893 | usb_set_intfdata(intf, dev); | |
894 | priv->udev = udev; | |
6982869d CL |
895 | priv->intf = intf; |
896 | skb_queue_head_init(&priv->rx_queue); | |
897 | init_usb_anchor(&priv->submitted); | |
eff1a59c MW |
898 | |
899 | usb_get_dev(udev); | |
900 | ||
901 | /* really lazy and simple way of figuring out if we're a 3887 */ | |
902 | /* TODO: should just stick the identification in the device table */ | |
903 | i = intf->altsetting->desc.bNumEndpoints; | |
904 | recognized_pipes = 0; | |
905 | while (i--) { | |
906 | switch (intf->altsetting->endpoint[i].desc.bEndpointAddress) { | |
907 | case P54U_PIPE_DATA: | |
908 | case P54U_PIPE_MGMT: | |
909 | case P54U_PIPE_BRG: | |
910 | case P54U_PIPE_DEV: | |
911 | case P54U_PIPE_DATA | USB_DIR_IN: | |
912 | case P54U_PIPE_MGMT | USB_DIR_IN: | |
913 | case P54U_PIPE_BRG | USB_DIR_IN: | |
914 | case P54U_PIPE_DEV | USB_DIR_IN: | |
915 | case P54U_PIPE_INT | USB_DIR_IN: | |
916 | recognized_pipes++; | |
917 | } | |
918 | } | |
919 | priv->common.open = p54u_open; | |
2b80848e | 920 | priv->common.stop = p54u_stop; |
eff1a59c | 921 | if (recognized_pipes < P54U_PIPE_NUMBER) { |
13792578 | 922 | #ifdef CONFIG_PM |
1ca5f2e9 CL |
923 | /* ISL3887 needs a full reset on resume */ |
924 | udev->reset_resume = 1; | |
925 | err = p54u_device_reset(dev); | |
13792578 | 926 | #endif |
1ca5f2e9 | 927 | |
eff1a59c | 928 | priv->hw_type = P54U_3887; |
a406ac0d CL |
929 | dev->extra_tx_headroom += sizeof(struct lm87_tx_hdr); |
930 | priv->common.tx_hdr_len = sizeof(struct lm87_tx_hdr); | |
931 | priv->common.tx = p54u_tx_lm87; | |
1ca5f2e9 | 932 | priv->upload_fw = p54u_upload_firmware_3887; |
eff1a59c | 933 | } else { |
2b80848e | 934 | priv->hw_type = P54U_NET2280; |
eff1a59c MW |
935 | dev->extra_tx_headroom += sizeof(struct net2280_tx_hdr); |
936 | priv->common.tx_hdr_len = sizeof(struct net2280_tx_hdr); | |
937 | priv->common.tx = p54u_tx_net2280; | |
1ca5f2e9 | 938 | priv->upload_fw = p54u_upload_firmware_net2280; |
2b80848e | 939 | } |
1ca5f2e9 | 940 | err = p54u_load_firmware(dev); |
eff1a59c MW |
941 | if (err) |
942 | goto err_free_dev; | |
943 | ||
1ca5f2e9 CL |
944 | err = priv->upload_fw(dev); |
945 | if (err) | |
946 | goto err_free_fw; | |
947 | ||
7cb77072 CL |
948 | p54u_open(dev); |
949 | err = p54_read_eeprom(dev); | |
950 | p54u_stop(dev); | |
eff1a59c | 951 | if (err) |
1ca5f2e9 | 952 | goto err_free_fw; |
eff1a59c | 953 | |
2ac71072 CL |
954 | err = p54_register_common(dev, &udev->dev); |
955 | if (err) | |
1ca5f2e9 | 956 | goto err_free_fw; |
eff1a59c | 957 | |
eff1a59c MW |
958 | return 0; |
959 | ||
1ca5f2e9 CL |
960 | err_free_fw: |
961 | release_firmware(priv->fw); | |
962 | ||
963 | err_free_dev: | |
d8c92107 | 964 | p54_free_common(dev); |
eff1a59c MW |
965 | usb_set_intfdata(intf, NULL); |
966 | usb_put_dev(udev); | |
967 | return err; | |
968 | } | |
969 | ||
970 | static void __devexit p54u_disconnect(struct usb_interface *intf) | |
971 | { | |
972 | struct ieee80211_hw *dev = usb_get_intfdata(intf); | |
973 | struct p54u_priv *priv; | |
974 | ||
975 | if (!dev) | |
976 | return; | |
977 | ||
d8c92107 | 978 | p54_unregister_common(dev); |
eff1a59c MW |
979 | |
980 | priv = dev->priv; | |
981 | usb_put_dev(interface_to_usbdev(intf)); | |
1ca5f2e9 | 982 | release_firmware(priv->fw); |
eff1a59c | 983 | p54_free_common(dev); |
eff1a59c MW |
984 | } |
985 | ||
6982869d CL |
986 | static int p54u_pre_reset(struct usb_interface *intf) |
987 | { | |
1ca5f2e9 CL |
988 | struct ieee80211_hw *dev = usb_get_intfdata(intf); |
989 | ||
990 | if (!dev) | |
991 | return -ENODEV; | |
992 | ||
993 | p54u_stop(dev); | |
6982869d CL |
994 | return 0; |
995 | } | |
996 | ||
1ca5f2e9 CL |
997 | static int p54u_resume(struct usb_interface *intf) |
998 | { | |
999 | struct ieee80211_hw *dev = usb_get_intfdata(intf); | |
1000 | struct p54u_priv *priv; | |
1001 | ||
1002 | if (!dev) | |
1003 | return -ENODEV; | |
1004 | ||
1005 | priv = dev->priv; | |
1006 | if (unlikely(!(priv->upload_fw && priv->fw))) | |
1007 | return 0; | |
1008 | ||
1009 | return priv->upload_fw(dev); | |
1010 | } | |
1011 | ||
6982869d CL |
1012 | static int p54u_post_reset(struct usb_interface *intf) |
1013 | { | |
1ca5f2e9 CL |
1014 | struct ieee80211_hw *dev = usb_get_intfdata(intf); |
1015 | struct p54u_priv *priv; | |
1016 | int err; | |
1017 | ||
1018 | err = p54u_resume(intf); | |
1019 | if (err) | |
1020 | return err; | |
1021 | ||
1022 | /* reinitialize old device state */ | |
1023 | priv = dev->priv; | |
1024 | if (priv->common.mode != NL80211_IFTYPE_UNSPECIFIED) | |
1025 | ieee80211_restart_hw(dev); | |
1026 | ||
6982869d CL |
1027 | return 0; |
1028 | } | |
1029 | ||
1ca5f2e9 CL |
1030 | #ifdef CONFIG_PM |
1031 | ||
1032 | static int p54u_suspend(struct usb_interface *intf, pm_message_t message) | |
1033 | { | |
1034 | return p54u_pre_reset(intf); | |
1035 | } | |
1036 | ||
1037 | #endif /* CONFIG_PM */ | |
1038 | ||
eff1a59c | 1039 | static struct usb_driver p54u_driver = { |
32ddf071 | 1040 | .name = "p54usb", |
eff1a59c MW |
1041 | .id_table = p54u_table, |
1042 | .probe = p54u_probe, | |
1043 | .disconnect = p54u_disconnect, | |
6982869d CL |
1044 | .pre_reset = p54u_pre_reset, |
1045 | .post_reset = p54u_post_reset, | |
1ca5f2e9 CL |
1046 | #ifdef CONFIG_PM |
1047 | .suspend = p54u_suspend, | |
1048 | .resume = p54u_resume, | |
1049 | .reset_resume = p54u_resume, | |
1050 | #endif /* CONFIG_PM */ | |
fbf95296 | 1051 | .soft_unbind = 1, |
eff1a59c MW |
1052 | }; |
1053 | ||
1054 | static int __init p54u_init(void) | |
1055 | { | |
1056 | return usb_register(&p54u_driver); | |
1057 | } | |
1058 | ||
1059 | static void __exit p54u_exit(void) | |
1060 | { | |
1061 | usb_deregister(&p54u_driver); | |
1062 | } | |
1063 | ||
1064 | module_init(p54u_init); | |
1065 | module_exit(p54u_exit); |