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> | |
5a0e3ad6 | 18 | #include <linux/slab.h> |
eff1a59c MW |
19 | #include <linux/firmware.h> |
20 | #include <linux/etherdevice.h> | |
21 | #include <linux/delay.h> | |
22 | #include <linux/crc32.h> | |
23 | #include <net/mac80211.h> | |
24 | ||
25 | #include "p54.h" | |
d8c92107 | 26 | #include "lmac.h" |
eff1a59c MW |
27 | #include "p54usb.h" |
28 | ||
29 | MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>"); | |
30 | MODULE_DESCRIPTION("Prism54 USB wireless driver"); | |
31 | MODULE_LICENSE("GPL"); | |
32 | MODULE_ALIAS("prism54usb"); | |
9a8675d7 CL |
33 | MODULE_FIRMWARE("isl3886usb"); |
34 | MODULE_FIRMWARE("isl3887usb"); | |
eff1a59c MW |
35 | |
36 | static struct usb_device_id p54u_table[] __devinitdata = { | |
37 | /* Version 1 devices (pci chip + net2280) */ | |
38 | {USB_DEVICE(0x0506, 0x0a11)}, /* 3COM 3CRWE254G72 */ | |
39 | {USB_DEVICE(0x0707, 0xee06)}, /* SMC 2862W-G */ | |
15a69a81 | 40 | {USB_DEVICE(0x07aa, 0x001c)}, /* Corega CG-WLUSB2GT */ |
eff1a59c MW |
41 | {USB_DEVICE(0x083a, 0x4501)}, /* Accton 802.11g WN4501 USB */ |
42 | {USB_DEVICE(0x083a, 0x4502)}, /* Siemens Gigaset USB Adapter */ | |
1a17582e | 43 | {USB_DEVICE(0x083a, 0x5501)}, /* Phillips CPWUA054 */ |
eff1a59c MW |
44 | {USB_DEVICE(0x0846, 0x4200)}, /* Netgear WG121 */ |
45 | {USB_DEVICE(0x0846, 0x4210)}, /* Netgear WG121 the second ? */ | |
46 | {USB_DEVICE(0x0846, 0x4220)}, /* Netgear WG111 */ | |
ec366eba | 47 | {USB_DEVICE(0x09aa, 0x1000)}, /* Spinnaker Proto board */ |
eff1a59c MW |
48 | {USB_DEVICE(0x0cde, 0x0006)}, /* Medion 40900, Roper Europe */ |
49 | {USB_DEVICE(0x124a, 0x4023)}, /* Shuttle PN15, Airvast WM168g, IOGear GWU513 */ | |
50 | {USB_DEVICE(0x1915, 0x2234)}, /* Linksys WUSB54G OEM */ | |
51 | {USB_DEVICE(0x1915, 0x2235)}, /* Linksys WUSB54G Portable OEM */ | |
52 | {USB_DEVICE(0x2001, 0x3701)}, /* DLink DWL-G120 Spinnaker */ | |
53 | {USB_DEVICE(0x2001, 0x3703)}, /* DLink DWL-G122 */ | |
54 | {USB_DEVICE(0x5041, 0x2234)}, /* Linksys WUSB54G */ | |
55 | {USB_DEVICE(0x5041, 0x2235)}, /* Linksys WUSB54G Portable */ | |
56 | ||
57 | /* Version 2 devices (3887) */ | |
4546002c | 58 | {USB_DEVICE(0x0471, 0x1230)}, /* Philips CPWUA054/00 */ |
eff1a59c MW |
59 | {USB_DEVICE(0x050d, 0x7050)}, /* Belkin F5D7050 ver 1000 */ |
60 | {USB_DEVICE(0x0572, 0x2000)}, /* Cohiba Proto board */ | |
61 | {USB_DEVICE(0x0572, 0x2002)}, /* Cohiba Proto board */ | |
878e6a43 | 62 | {USB_DEVICE(0x06b9, 0x0121)}, /* Thomson SpeedTouch 121g */ |
eff1a59c MW |
63 | {USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */ |
64 | {USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */ | |
5b9a919a | 65 | {USB_DEVICE(0x083a, 0xf503)}, /* Accton FD7050E ver 1010ec */ |
eff1a59c MW |
66 | {USB_DEVICE(0x0846, 0x4240)}, /* Netgear WG111 (v2) */ |
67 | {USB_DEVICE(0x0915, 0x2000)}, /* Cohiba Proto board */ | |
68 | {USB_DEVICE(0x0915, 0x2002)}, /* Cohiba Proto board */ | |
69 | {USB_DEVICE(0x0baf, 0x0118)}, /* U.S. Robotics U5 802.11g Adapter*/ | |
70 | {USB_DEVICE(0x0bf8, 0x1009)}, /* FUJITSU E-5400 USB D1700*/ | |
71 | {USB_DEVICE(0x0cde, 0x0006)}, /* Medion MD40900 */ | |
72 | {USB_DEVICE(0x0cde, 0x0008)}, /* Sagem XG703A */ | |
f7f71173 | 73 | {USB_DEVICE(0x0cde, 0x0015)}, /* Zcomax XG-705A */ |
eff1a59c | 74 | {USB_DEVICE(0x0d8e, 0x3762)}, /* DLink DWL-G120 Cohiba */ |
43557e15 | 75 | {USB_DEVICE(0x124a, 0x4025)}, /* IOGear GWU513 (GW3887IK chip) */ |
ec366eba | 76 | {USB_DEVICE(0x1260, 0xee22)}, /* SMC 2862W-G version 2 */ |
387e100a | 77 | {USB_DEVICE(0x13b1, 0x000a)}, /* Linksys WUSB54G ver 2 */ |
c1098103 | 78 | {USB_DEVICE(0x13B1, 0x000C)}, /* Linksys WUSB54AG */ |
e3062403 | 79 | {USB_DEVICE(0x1413, 0x5400)}, /* Telsey 802.11g USB2.0 Adapter */ |
eff1a59c MW |
80 | {USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */ |
81 | {USB_DEVICE(0x2001, 0x3704)}, /* DLink DWL-G122 rev A2 */ | |
82 | {USB_DEVICE(0x413c, 0x8102)}, /* Spinnaker DUT */ | |
83 | {USB_DEVICE(0x413c, 0x8104)}, /* Cohiba Proto board */ | |
84 | {} | |
85 | }; | |
86 | ||
87 | MODULE_DEVICE_TABLE(usb, p54u_table); | |
88 | ||
1ca5f2e9 CL |
89 | static const struct { |
90 | u32 intf; | |
91 | enum p54u_hw_type type; | |
328d84fb SO |
92 | const char *fw; |
93 | const char *fw_legacy; | |
1ca5f2e9 CL |
94 | char hw[20]; |
95 | } p54u_fwlist[__NUM_P54U_HWTYPES] = { | |
96 | { | |
97 | .type = P54U_NET2280, | |
98 | .intf = FW_LM86, | |
99 | .fw = "isl3886usb", | |
100 | .fw_legacy = "isl3890usb", | |
101 | .hw = "ISL3886 + net2280", | |
102 | }, | |
103 | { | |
104 | .type = P54U_3887, | |
105 | .intf = FW_LM87, | |
106 | .fw = "isl3887usb", | |
107 | .fw_legacy = "isl3887usb_bare", | |
108 | .hw = "ISL3887", | |
109 | }, | |
110 | }; | |
111 | ||
eff1a59c MW |
112 | static void p54u_rx_cb(struct urb *urb) |
113 | { | |
114 | struct sk_buff *skb = (struct sk_buff *) urb->context; | |
115 | struct p54u_rx_info *info = (struct p54u_rx_info *)skb->cb; | |
116 | struct ieee80211_hw *dev = info->dev; | |
117 | struct p54u_priv *priv = dev->priv; | |
118 | ||
dd397dc9 CL |
119 | skb_unlink(skb, &priv->rx_queue); |
120 | ||
eff1a59c | 121 | if (unlikely(urb->status)) { |
dd397dc9 | 122 | dev_kfree_skb_irq(skb); |
eff1a59c MW |
123 | return; |
124 | } | |
125 | ||
eff1a59c | 126 | skb_put(skb, urb->actual_length); |
2b80848e CL |
127 | |
128 | if (priv->hw_type == P54U_NET2280) | |
129 | skb_pull(skb, priv->common.tx_hdr_len); | |
130 | if (priv->common.fw_interface == FW_LM87) { | |
131 | skb_pull(skb, 4); | |
132 | skb_put(skb, 4); | |
133 | } | |
eff1a59c MW |
134 | |
135 | if (p54_rx(dev, skb)) { | |
4e416a6f | 136 | skb = dev_alloc_skb(priv->common.rx_mtu + 32); |
eff1a59c | 137 | if (unlikely(!skb)) { |
eff1a59c MW |
138 | /* TODO check rx queue length and refill *somewhere* */ |
139 | return; | |
140 | } | |
141 | ||
142 | info = (struct p54u_rx_info *) skb->cb; | |
143 | info->urb = urb; | |
144 | info->dev = dev; | |
145 | urb->transfer_buffer = skb_tail_pointer(skb); | |
146 | urb->context = skb; | |
eff1a59c | 147 | } else { |
2b80848e CL |
148 | if (priv->hw_type == P54U_NET2280) |
149 | skb_push(skb, priv->common.tx_hdr_len); | |
150 | if (priv->common.fw_interface == FW_LM87) { | |
151 | skb_push(skb, 4); | |
152 | skb_put(skb, 4); | |
153 | } | |
d47c3ceb | 154 | skb_reset_tail_pointer(skb); |
eff1a59c | 155 | skb_trim(skb, 0); |
1ca5f2e9 | 156 | urb->transfer_buffer = skb_tail_pointer(skb); |
eff1a59c | 157 | } |
dd397dc9 CL |
158 | skb_queue_tail(&priv->rx_queue, skb); |
159 | usb_anchor_urb(urb, &priv->submitted); | |
160 | if (usb_submit_urb(urb, GFP_ATOMIC)) { | |
161 | skb_unlink(skb, &priv->rx_queue); | |
162 | usb_unanchor_urb(urb); | |
163 | dev_kfree_skb_irq(skb); | |
164 | } | |
eff1a59c MW |
165 | } |
166 | ||
0a5ec96a | 167 | static void p54u_tx_cb(struct urb *urb) |
b92f30d6 CL |
168 | { |
169 | struct sk_buff *skb = urb->context; | |
170 | struct ieee80211_hw *dev = (struct ieee80211_hw *) | |
171 | usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0)); | |
172 | ||
e2fe154e | 173 | p54_free_skb(dev, skb); |
dd397dc9 CL |
174 | } |
175 | ||
176 | static void p54u_tx_dummy_cb(struct urb *urb) { } | |
177 | ||
178 | static void p54u_free_urbs(struct ieee80211_hw *dev) | |
179 | { | |
180 | struct p54u_priv *priv = dev->priv; | |
181 | usb_kill_anchored_urbs(&priv->submitted); | |
b92f30d6 CL |
182 | } |
183 | ||
eff1a59c MW |
184 | static int p54u_init_urbs(struct ieee80211_hw *dev) |
185 | { | |
186 | struct p54u_priv *priv = dev->priv; | |
dd397dc9 | 187 | struct urb *entry = NULL; |
eff1a59c MW |
188 | struct sk_buff *skb; |
189 | struct p54u_rx_info *info; | |
dd397dc9 | 190 | int ret = 0; |
eff1a59c MW |
191 | |
192 | while (skb_queue_len(&priv->rx_queue) < 32) { | |
4e416a6f | 193 | skb = __dev_alloc_skb(priv->common.rx_mtu + 32, GFP_KERNEL); |
dd397dc9 CL |
194 | if (!skb) { |
195 | ret = -ENOMEM; | |
196 | goto err; | |
197 | } | |
eff1a59c MW |
198 | entry = usb_alloc_urb(0, GFP_KERNEL); |
199 | if (!entry) { | |
dd397dc9 CL |
200 | ret = -ENOMEM; |
201 | goto err; | |
eff1a59c | 202 | } |
dd397dc9 | 203 | |
4e416a6f CL |
204 | usb_fill_bulk_urb(entry, priv->udev, |
205 | usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), | |
206 | skb_tail_pointer(skb), | |
207 | priv->common.rx_mtu + 32, p54u_rx_cb, skb); | |
eff1a59c MW |
208 | info = (struct p54u_rx_info *) skb->cb; |
209 | info->urb = entry; | |
210 | info->dev = dev; | |
211 | skb_queue_tail(&priv->rx_queue, skb); | |
dd397dc9 CL |
212 | |
213 | usb_anchor_urb(entry, &priv->submitted); | |
214 | ret = usb_submit_urb(entry, GFP_KERNEL); | |
215 | if (ret) { | |
216 | skb_unlink(skb, &priv->rx_queue); | |
217 | usb_unanchor_urb(entry); | |
218 | goto err; | |
219 | } | |
220 | usb_free_urb(entry); | |
221 | entry = NULL; | |
eff1a59c MW |
222 | } |
223 | ||
224 | return 0; | |
eff1a59c | 225 | |
dd397dc9 CL |
226 | err: |
227 | usb_free_urb(entry); | |
228 | kfree_skb(skb); | |
229 | p54u_free_urbs(dev); | |
230 | return ret; | |
eff1a59c MW |
231 | } |
232 | ||
c9127659 | 233 | static __le32 p54u_lm87_chksum(const __le32 *data, size_t length) |
2b80848e | 234 | { |
1f1c0e33 | 235 | u32 chk = 0; |
2b80848e CL |
236 | |
237 | length >>= 2; | |
238 | while (length--) { | |
c9127659 | 239 | chk ^= le32_to_cpu(*data++); |
2b80848e CL |
240 | chk = (chk >> 5) ^ (chk << 3); |
241 | } | |
242 | ||
1f1c0e33 | 243 | return cpu_to_le32(chk); |
2b80848e CL |
244 | } |
245 | ||
0a5ec96a | 246 | static void p54u_tx_lm87(struct ieee80211_hw *dev, struct sk_buff *skb) |
2b80848e CL |
247 | { |
248 | struct p54u_priv *priv = dev->priv; | |
249 | struct urb *data_urb; | |
e2fe154e | 250 | struct lm87_tx_hdr *hdr = (void *)skb->data - sizeof(*hdr); |
2b80848e CL |
251 | |
252 | data_urb = usb_alloc_urb(0, GFP_ATOMIC); | |
6d541a68 CL |
253 | if (!data_urb) { |
254 | p54_free_skb(dev, skb); | |
2b80848e | 255 | return; |
6d541a68 | 256 | } |
2b80848e | 257 | |
e2fe154e CL |
258 | hdr->chksum = p54u_lm87_chksum((__le32 *)skb->data, skb->len); |
259 | hdr->device_addr = ((struct p54_hdr *)skb->data)->req_id; | |
2b80848e CL |
260 | |
261 | usb_fill_bulk_urb(data_urb, priv->udev, | |
b92f30d6 | 262 | usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), |
e2fe154e CL |
263 | hdr, skb->len + sizeof(*hdr), FREE_AFTER_TX(skb) ? |
264 | p54u_tx_cb : p54u_tx_dummy_cb, skb); | |
00627f22 | 265 | data_urb->transfer_flags |= URB_ZERO_PACKET; |
2b80848e | 266 | |
dd397dc9 CL |
267 | usb_anchor_urb(data_urb, &priv->submitted); |
268 | if (usb_submit_urb(data_urb, GFP_ATOMIC)) { | |
269 | usb_unanchor_urb(data_urb); | |
dd397dc9 CL |
270 | p54_free_skb(dev, skb); |
271 | } | |
272 | usb_free_urb(data_urb); | |
2b80848e CL |
273 | } |
274 | ||
0a5ec96a | 275 | static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb) |
eff1a59c MW |
276 | { |
277 | struct p54u_priv *priv = dev->priv; | |
6d541a68 | 278 | struct urb *int_urb = NULL, *data_urb = NULL; |
e2fe154e | 279 | struct net2280_tx_hdr *hdr = (void *)skb->data - sizeof(*hdr); |
6d541a68 CL |
280 | struct net2280_reg_write *reg = NULL; |
281 | int err = -ENOMEM; | |
eff1a59c MW |
282 | |
283 | reg = kmalloc(sizeof(*reg), GFP_ATOMIC); | |
284 | if (!reg) | |
6d541a68 | 285 | goto out; |
eff1a59c MW |
286 | |
287 | int_urb = usb_alloc_urb(0, GFP_ATOMIC); | |
6d541a68 CL |
288 | if (!int_urb) |
289 | goto out; | |
eff1a59c MW |
290 | |
291 | data_urb = usb_alloc_urb(0, GFP_ATOMIC); | |
6d541a68 CL |
292 | if (!data_urb) |
293 | goto out; | |
eff1a59c MW |
294 | |
295 | reg->port = cpu_to_le16(NET2280_DEV_U32); | |
296 | reg->addr = cpu_to_le32(P54U_DEV_BASE); | |
297 | reg->val = cpu_to_le32(ISL38XX_DEV_INT_DATA); | |
298 | ||
eff1a59c | 299 | memset(hdr, 0, sizeof(*hdr)); |
e2fe154e CL |
300 | hdr->len = cpu_to_le16(skb->len); |
301 | hdr->device_addr = ((struct p54_hdr *) skb->data)->req_id; | |
eff1a59c MW |
302 | |
303 | usb_fill_bulk_urb(int_urb, priv->udev, | |
304 | usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV), reg, sizeof(*reg), | |
dd397dc9 CL |
305 | p54u_tx_dummy_cb, dev); |
306 | ||
307 | /* | |
6d541a68 CL |
308 | * URB_FREE_BUFFER triggers a code path in the USB subsystem that will |
309 | * free what is inside the transfer_buffer after the last reference to | |
310 | * the int_urb is dropped. | |
dd397dc9 | 311 | */ |
b4068a80 | 312 | int_urb->transfer_flags |= URB_FREE_BUFFER | URB_ZERO_PACKET; |
6d541a68 | 313 | reg = NULL; |
eff1a59c MW |
314 | |
315 | usb_fill_bulk_urb(data_urb, priv->udev, | |
b92f30d6 | 316 | usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), |
e2fe154e CL |
317 | hdr, skb->len + sizeof(*hdr), FREE_AFTER_TX(skb) ? |
318 | p54u_tx_cb : p54u_tx_dummy_cb, skb); | |
b4068a80 | 319 | data_urb->transfer_flags |= URB_ZERO_PACKET; |
dd397dc9 CL |
320 | |
321 | usb_anchor_urb(int_urb, &priv->submitted); | |
322 | err = usb_submit_urb(int_urb, GFP_ATOMIC); | |
323 | if (err) { | |
324 | usb_unanchor_urb(int_urb); | |
325 | goto out; | |
326 | } | |
327 | ||
328 | usb_anchor_urb(data_urb, &priv->submitted); | |
329 | err = usb_submit_urb(data_urb, GFP_ATOMIC); | |
330 | if (err) { | |
331 | usb_unanchor_urb(data_urb); | |
332 | goto out; | |
333 | } | |
6d541a68 | 334 | out: |
dd397dc9 CL |
335 | usb_free_urb(int_urb); |
336 | usb_free_urb(data_urb); | |
337 | ||
338 | if (err) { | |
6d541a68 | 339 | kfree(reg); |
dd397dc9 CL |
340 | p54_free_skb(dev, skb); |
341 | } | |
eff1a59c MW |
342 | } |
343 | ||
344 | static int p54u_write(struct p54u_priv *priv, | |
345 | struct net2280_reg_write *buf, | |
346 | enum net2280_op_type type, | |
347 | __le32 addr, __le32 val) | |
348 | { | |
349 | unsigned int ep; | |
350 | int alen; | |
351 | ||
352 | if (type & 0x0800) | |
353 | ep = usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV); | |
354 | else | |
355 | ep = usb_sndbulkpipe(priv->udev, P54U_PIPE_BRG); | |
356 | ||
357 | buf->port = cpu_to_le16(type); | |
358 | buf->addr = addr; | |
359 | buf->val = val; | |
360 | ||
361 | return usb_bulk_msg(priv->udev, ep, buf, sizeof(*buf), &alen, 1000); | |
362 | } | |
363 | ||
364 | static int p54u_read(struct p54u_priv *priv, void *buf, | |
365 | enum net2280_op_type type, | |
366 | __le32 addr, __le32 *val) | |
367 | { | |
368 | struct net2280_reg_read *read = buf; | |
369 | __le32 *reg = buf; | |
370 | unsigned int ep; | |
371 | int alen, err; | |
372 | ||
373 | if (type & 0x0800) | |
374 | ep = P54U_PIPE_DEV; | |
375 | else | |
376 | ep = P54U_PIPE_BRG; | |
377 | ||
378 | read->port = cpu_to_le16(type); | |
379 | read->addr = addr; | |
380 | ||
381 | err = usb_bulk_msg(priv->udev, usb_sndbulkpipe(priv->udev, ep), | |
382 | read, sizeof(*read), &alen, 1000); | |
383 | if (err) | |
384 | return err; | |
385 | ||
386 | err = usb_bulk_msg(priv->udev, usb_rcvbulkpipe(priv->udev, ep), | |
387 | reg, sizeof(*reg), &alen, 1000); | |
388 | if (err) | |
389 | return err; | |
390 | ||
391 | *val = *reg; | |
392 | return 0; | |
393 | } | |
394 | ||
395 | static int p54u_bulk_msg(struct p54u_priv *priv, unsigned int ep, | |
396 | void *data, size_t len) | |
397 | { | |
398 | int alen; | |
399 | return usb_bulk_msg(priv->udev, usb_sndbulkpipe(priv->udev, ep), | |
400 | data, len, &alen, 2000); | |
401 | } | |
402 | ||
1ca5f2e9 | 403 | static int p54u_device_reset(struct ieee80211_hw *dev) |
6982869d CL |
404 | { |
405 | struct p54u_priv *priv = dev->priv; | |
c88a768d | 406 | int ret, lock = (priv->intf->condition != USB_INTERFACE_BINDING); |
6982869d | 407 | |
c88a768d CL |
408 | if (lock) { |
409 | ret = usb_lock_device_for_reset(priv->udev, priv->intf); | |
410 | if (ret < 0) { | |
411 | dev_err(&priv->udev->dev, "(p54usb) unable to lock " | |
1ca5f2e9 | 412 | "device for reset (%d)!\n", ret); |
c88a768d CL |
413 | return ret; |
414 | } | |
6982869d CL |
415 | } |
416 | ||
417 | ret = usb_reset_device(priv->udev); | |
418 | if (lock) | |
419 | usb_unlock_device(priv->udev); | |
420 | ||
1ca5f2e9 | 421 | if (ret) |
6982869d | 422 | dev_err(&priv->udev->dev, "(p54usb) unable to reset " |
1ca5f2e9 CL |
423 | "device (%d)!\n", ret); |
424 | ||
425 | return ret; | |
426 | } | |
427 | ||
428 | static const char p54u_romboot_3887[] = "~~~~"; | |
429 | static int p54u_firmware_reset_3887(struct ieee80211_hw *dev) | |
430 | { | |
431 | struct p54u_priv *priv = dev->priv; | |
21d6c270 | 432 | u8 *buf; |
1ca5f2e9 | 433 | int ret; |
6982869d | 434 | |
21d6c270 LF |
435 | buf = kmalloc(4, GFP_KERNEL); |
436 | if (!buf) | |
437 | return -ENOMEM; | |
438 | memcpy(buf, p54u_romboot_3887, 4); | |
6982869d | 439 | ret = p54u_bulk_msg(priv, P54U_PIPE_DATA, |
21d6c270 LF |
440 | buf, 4); |
441 | kfree(buf); | |
6982869d CL |
442 | if (ret) |
443 | dev_err(&priv->udev->dev, "(p54usb) unable to jump to " | |
1ca5f2e9 | 444 | "boot ROM (%d)!\n", ret); |
6982869d CL |
445 | |
446 | return ret; | |
447 | } | |
448 | ||
1ca5f2e9 | 449 | static const char p54u_firmware_upload_3887[] = "<\r"; |
eff1a59c MW |
450 | static int p54u_upload_firmware_3887(struct ieee80211_hw *dev) |
451 | { | |
eff1a59c | 452 | struct p54u_priv *priv = dev->priv; |
eff1a59c MW |
453 | int err, alen; |
454 | u8 carry = 0; | |
8b72eb43 DW |
455 | u8 *buf, *tmp; |
456 | const u8 *data; | |
eff1a59c MW |
457 | unsigned int left, remains, block_size; |
458 | struct x2_header *hdr; | |
459 | unsigned long timeout; | |
460 | ||
1ca5f2e9 CL |
461 | err = p54u_firmware_reset_3887(dev); |
462 | if (err) | |
463 | return err; | |
464 | ||
eff1a59c MW |
465 | tmp = buf = kmalloc(P54U_FW_BLOCK, GFP_KERNEL); |
466 | if (!buf) { | |
02e37ba1 CL |
467 | dev_err(&priv->udev->dev, "(p54usb) cannot allocate firmware" |
468 | "upload buffer!\n"); | |
1ca5f2e9 | 469 | return -ENOMEM; |
e365f160 CL |
470 | } |
471 | ||
1ca5f2e9 | 472 | left = block_size = min((size_t)P54U_FW_BLOCK, priv->fw->size); |
6982869d CL |
473 | strcpy(buf, p54u_firmware_upload_3887); |
474 | left -= strlen(p54u_firmware_upload_3887); | |
475 | tmp += strlen(p54u_firmware_upload_3887); | |
eff1a59c | 476 | |
1ca5f2e9 CL |
477 | data = priv->fw->data; |
478 | remains = priv->fw->size; | |
eff1a59c | 479 | |
6982869d | 480 | hdr = (struct x2_header *)(buf + strlen(p54u_firmware_upload_3887)); |
eff1a59c MW |
481 | memcpy(hdr->signature, X2_SIGNATURE, X2_SIGNATURE_SIZE); |
482 | hdr->fw_load_addr = cpu_to_le32(ISL38XX_DEV_FIRMWARE_ADDR); | |
1ca5f2e9 | 483 | hdr->fw_length = cpu_to_le32(priv->fw->size); |
eff1a59c MW |
484 | hdr->crc = cpu_to_le32(~crc32_le(~0, (void *)&hdr->fw_load_addr, |
485 | sizeof(u32)*2)); | |
486 | left -= sizeof(*hdr); | |
487 | tmp += sizeof(*hdr); | |
488 | ||
489 | while (remains) { | |
490 | while (left--) { | |
491 | if (carry) { | |
492 | *tmp++ = carry; | |
493 | carry = 0; | |
494 | remains--; | |
495 | continue; | |
496 | } | |
497 | switch (*data) { | |
498 | case '~': | |
499 | *tmp++ = '}'; | |
500 | carry = '^'; | |
501 | break; | |
502 | case '}': | |
503 | *tmp++ = '}'; | |
504 | carry = ']'; | |
505 | break; | |
506 | default: | |
507 | *tmp++ = *data; | |
508 | remains--; | |
509 | break; | |
510 | } | |
511 | data++; | |
512 | } | |
513 | ||
514 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, block_size); | |
515 | if (err) { | |
02e37ba1 CL |
516 | dev_err(&priv->udev->dev, "(p54usb) firmware " |
517 | "upload failed!\n"); | |
eff1a59c MW |
518 | goto err_upload_failed; |
519 | } | |
520 | ||
521 | tmp = buf; | |
522 | left = block_size = min((unsigned int)P54U_FW_BLOCK, remains); | |
523 | } | |
524 | ||
1ca5f2e9 CL |
525 | *((__le32 *)buf) = cpu_to_le32(~crc32_le(~0, priv->fw->data, |
526 | priv->fw->size)); | |
eff1a59c MW |
527 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, sizeof(u32)); |
528 | if (err) { | |
02e37ba1 | 529 | dev_err(&priv->udev->dev, "(p54usb) firmware upload failed!\n"); |
eff1a59c MW |
530 | goto err_upload_failed; |
531 | } | |
eff1a59c MW |
532 | timeout = jiffies + msecs_to_jiffies(1000); |
533 | while (!(err = usb_bulk_msg(priv->udev, | |
534 | usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), buf, 128, &alen, 1000))) { | |
535 | if (alen > 2 && !memcmp(buf, "OK", 2)) | |
536 | break; | |
537 | ||
538 | if (alen > 5 && !memcmp(buf, "ERROR", 5)) { | |
eff1a59c MW |
539 | err = -EINVAL; |
540 | break; | |
541 | } | |
542 | ||
543 | if (time_after(jiffies, timeout)) { | |
02e37ba1 CL |
544 | dev_err(&priv->udev->dev, "(p54usb) firmware boot " |
545 | "timed out!\n"); | |
eff1a59c MW |
546 | err = -ETIMEDOUT; |
547 | break; | |
548 | } | |
549 | } | |
02e37ba1 CL |
550 | if (err) { |
551 | dev_err(&priv->udev->dev, "(p54usb) firmware upload failed!\n"); | |
eff1a59c | 552 | goto err_upload_failed; |
02e37ba1 | 553 | } |
eff1a59c MW |
554 | |
555 | buf[0] = 'g'; | |
556 | buf[1] = '\r'; | |
557 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, 2); | |
558 | if (err) { | |
02e37ba1 | 559 | dev_err(&priv->udev->dev, "(p54usb) firmware boot failed!\n"); |
eff1a59c MW |
560 | goto err_upload_failed; |
561 | } | |
562 | ||
563 | timeout = jiffies + msecs_to_jiffies(1000); | |
564 | while (!(err = usb_bulk_msg(priv->udev, | |
565 | usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), buf, 128, &alen, 1000))) { | |
566 | if (alen > 0 && buf[0] == 'g') | |
567 | break; | |
568 | ||
569 | if (time_after(jiffies, timeout)) { | |
570 | err = -ETIMEDOUT; | |
571 | break; | |
572 | } | |
573 | } | |
574 | if (err) | |
575 | goto err_upload_failed; | |
576 | ||
1ca5f2e9 | 577 | err_upload_failed: |
eff1a59c | 578 | kfree(buf); |
eff1a59c MW |
579 | return err; |
580 | } | |
581 | ||
582 | static int p54u_upload_firmware_net2280(struct ieee80211_hw *dev) | |
583 | { | |
584 | struct p54u_priv *priv = dev->priv; | |
eff1a59c MW |
585 | const struct p54p_csr *devreg = (const struct p54p_csr *) P54U_DEV_BASE; |
586 | int err, alen; | |
587 | void *buf; | |
588 | __le32 reg; | |
589 | unsigned int remains, offset; | |
8b72eb43 | 590 | const u8 *data; |
eff1a59c MW |
591 | |
592 | buf = kmalloc(512, GFP_KERNEL); | |
593 | if (!buf) { | |
02e37ba1 CL |
594 | dev_err(&priv->udev->dev, "(p54usb) firmware buffer " |
595 | "alloc failed!\n"); | |
eff1a59c MW |
596 | return -ENOMEM; |
597 | } | |
598 | ||
eff1a59c MW |
599 | #define P54U_WRITE(type, addr, data) \ |
600 | do {\ | |
601 | err = p54u_write(priv, buf, type,\ | |
602 | cpu_to_le32((u32)(unsigned long)addr), data);\ | |
603 | if (err) \ | |
604 | goto fail;\ | |
605 | } while (0) | |
606 | ||
607 | #define P54U_READ(type, addr) \ | |
608 | do {\ | |
609 | err = p54u_read(priv, buf, type,\ | |
610 | cpu_to_le32((u32)(unsigned long)addr), ®);\ | |
611 | if (err)\ | |
612 | goto fail;\ | |
613 | } while (0) | |
614 | ||
615 | /* power down net2280 bridge */ | |
616 | P54U_READ(NET2280_BRG_U32, NET2280_GPIOCTL); | |
617 | reg |= cpu_to_le32(P54U_BRG_POWER_DOWN); | |
618 | reg &= cpu_to_le32(~P54U_BRG_POWER_UP); | |
619 | P54U_WRITE(NET2280_BRG_U32, NET2280_GPIOCTL, reg); | |
620 | ||
621 | mdelay(100); | |
622 | ||
623 | /* power up bridge */ | |
624 | reg |= cpu_to_le32(P54U_BRG_POWER_UP); | |
625 | reg &= cpu_to_le32(~P54U_BRG_POWER_DOWN); | |
626 | P54U_WRITE(NET2280_BRG_U32, NET2280_GPIOCTL, reg); | |
627 | ||
628 | mdelay(100); | |
629 | ||
630 | P54U_WRITE(NET2280_BRG_U32, NET2280_DEVINIT, | |
631 | cpu_to_le32(NET2280_CLK_30Mhz | | |
632 | NET2280_PCI_ENABLE | | |
633 | NET2280_PCI_SOFT_RESET)); | |
634 | ||
635 | mdelay(20); | |
636 | ||
637 | P54U_WRITE(NET2280_BRG_CFG_U16, PCI_COMMAND, | |
638 | cpu_to_le32(PCI_COMMAND_MEMORY | | |
639 | PCI_COMMAND_MASTER)); | |
640 | ||
641 | P54U_WRITE(NET2280_BRG_CFG_U32, PCI_BASE_ADDRESS_0, | |
642 | cpu_to_le32(NET2280_BASE)); | |
643 | ||
644 | P54U_READ(NET2280_BRG_CFG_U16, PCI_STATUS); | |
645 | reg |= cpu_to_le32(PCI_STATUS_REC_MASTER_ABORT); | |
646 | P54U_WRITE(NET2280_BRG_CFG_U16, PCI_STATUS, reg); | |
647 | ||
648 | // TODO: we really need this? | |
649 | P54U_READ(NET2280_BRG_U32, NET2280_RELNUM); | |
650 | ||
651 | P54U_WRITE(NET2280_BRG_U32, NET2280_EPA_RSP, | |
652 | cpu_to_le32(NET2280_CLEAR_NAK_OUT_PACKETS_MODE)); | |
653 | P54U_WRITE(NET2280_BRG_U32, NET2280_EPC_RSP, | |
654 | cpu_to_le32(NET2280_CLEAR_NAK_OUT_PACKETS_MODE)); | |
655 | ||
656 | P54U_WRITE(NET2280_BRG_CFG_U32, PCI_BASE_ADDRESS_2, | |
657 | cpu_to_le32(NET2280_BASE2)); | |
658 | ||
659 | /* finally done setting up the bridge */ | |
660 | ||
661 | P54U_WRITE(NET2280_DEV_CFG_U16, 0x10000 | PCI_COMMAND, | |
662 | cpu_to_le32(PCI_COMMAND_MEMORY | | |
663 | PCI_COMMAND_MASTER)); | |
664 | ||
665 | P54U_WRITE(NET2280_DEV_CFG_U16, 0x10000 | 0x40 /* TRDY timeout */, 0); | |
666 | P54U_WRITE(NET2280_DEV_CFG_U32, 0x10000 | PCI_BASE_ADDRESS_0, | |
667 | cpu_to_le32(P54U_DEV_BASE)); | |
668 | ||
669 | P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, 0); | |
670 | P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1, | |
671 | cpu_to_le32(NET2280_PCI_INTA_INTERRUPT)); | |
672 | ||
673 | /* do romboot */ | |
674 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_enable, 0); | |
675 | ||
676 | P54U_READ(NET2280_DEV_U32, &devreg->ctrl_stat); | |
677 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | |
678 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RAMBOOT); | |
679 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN); | |
680 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | |
681 | ||
682 | mdelay(20); | |
683 | ||
684 | reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET); | |
685 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | |
686 | ||
687 | mdelay(20); | |
688 | ||
689 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | |
690 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | |
691 | ||
692 | mdelay(100); | |
693 | ||
694 | P54U_READ(NET2280_DEV_U32, &devreg->int_ident); | |
695 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg); | |
696 | ||
697 | /* finally, we can upload firmware now! */ | |
1ca5f2e9 CL |
698 | remains = priv->fw->size; |
699 | data = priv->fw->data; | |
eff1a59c MW |
700 | offset = ISL38XX_DEV_FIRMWARE_ADDR; |
701 | ||
702 | while (remains) { | |
703 | unsigned int block_len = min(remains, (unsigned int)512); | |
704 | memcpy(buf, data, block_len); | |
705 | ||
706 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, block_len); | |
707 | if (err) { | |
02e37ba1 CL |
708 | dev_err(&priv->udev->dev, "(p54usb) firmware block " |
709 | "upload failed\n"); | |
eff1a59c MW |
710 | goto fail; |
711 | } | |
712 | ||
713 | P54U_WRITE(NET2280_DEV_U32, &devreg->direct_mem_base, | |
714 | cpu_to_le32(0xc0000f00)); | |
715 | ||
716 | P54U_WRITE(NET2280_DEV_U32, | |
717 | 0x0020 | (unsigned long)&devreg->direct_mem_win, 0); | |
718 | P54U_WRITE(NET2280_DEV_U32, | |
719 | 0x0020 | (unsigned long)&devreg->direct_mem_win, | |
720 | cpu_to_le32(1)); | |
721 | ||
722 | P54U_WRITE(NET2280_DEV_U32, | |
723 | 0x0024 | (unsigned long)&devreg->direct_mem_win, | |
724 | cpu_to_le32(block_len)); | |
725 | P54U_WRITE(NET2280_DEV_U32, | |
726 | 0x0028 | (unsigned long)&devreg->direct_mem_win, | |
727 | cpu_to_le32(offset)); | |
728 | ||
729 | P54U_WRITE(NET2280_DEV_U32, &devreg->dma_addr, | |
730 | cpu_to_le32(NET2280_EPA_FIFO_PCI_ADDR)); | |
731 | P54U_WRITE(NET2280_DEV_U32, &devreg->dma_len, | |
732 | cpu_to_le32(block_len >> 2)); | |
733 | P54U_WRITE(NET2280_DEV_U32, &devreg->dma_ctrl, | |
734 | cpu_to_le32(ISL38XX_DMA_MASTER_CONTROL_TRIGGER)); | |
735 | ||
736 | mdelay(10); | |
737 | ||
738 | P54U_READ(NET2280_DEV_U32, | |
739 | 0x002C | (unsigned long)&devreg->direct_mem_win); | |
740 | if (!(reg & cpu_to_le32(ISL38XX_DMA_STATUS_DONE)) || | |
741 | !(reg & cpu_to_le32(ISL38XX_DMA_STATUS_READY))) { | |
02e37ba1 CL |
742 | dev_err(&priv->udev->dev, "(p54usb) firmware DMA " |
743 | "transfer failed\n"); | |
eff1a59c MW |
744 | goto fail; |
745 | } | |
746 | ||
747 | P54U_WRITE(NET2280_BRG_U32, NET2280_EPA_STAT, | |
748 | cpu_to_le32(NET2280_FIFO_FLUSH)); | |
749 | ||
750 | remains -= block_len; | |
751 | data += block_len; | |
752 | offset += block_len; | |
753 | } | |
754 | ||
755 | /* do ramboot */ | |
756 | P54U_READ(NET2280_DEV_U32, &devreg->ctrl_stat); | |
757 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | |
758 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN); | |
759 | reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RAMBOOT); | |
760 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | |
761 | ||
762 | mdelay(20); | |
763 | ||
764 | reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET); | |
765 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | |
766 | ||
767 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | |
768 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | |
769 | ||
770 | mdelay(100); | |
771 | ||
772 | P54U_READ(NET2280_DEV_U32, &devreg->int_ident); | |
773 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg); | |
774 | ||
775 | /* start up the firmware */ | |
776 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_enable, | |
777 | cpu_to_le32(ISL38XX_INT_IDENT_INIT)); | |
778 | ||
779 | P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1, | |
780 | cpu_to_le32(NET2280_PCI_INTA_INTERRUPT)); | |
781 | ||
782 | P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, | |
783 | cpu_to_le32(NET2280_PCI_INTA_INTERRUPT_ENABLE | | |
784 | NET2280_USB_INTERRUPT_ENABLE)); | |
785 | ||
786 | P54U_WRITE(NET2280_DEV_U32, &devreg->dev_int, | |
787 | cpu_to_le32(ISL38XX_DEV_INT_RESET)); | |
788 | ||
789 | err = usb_interrupt_msg(priv->udev, | |
790 | usb_rcvbulkpipe(priv->udev, P54U_PIPE_INT), | |
791 | buf, sizeof(__le32), &alen, 1000); | |
792 | if (err || alen != sizeof(__le32)) | |
793 | goto fail; | |
794 | ||
795 | P54U_READ(NET2280_DEV_U32, &devreg->int_ident); | |
796 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg); | |
797 | ||
798 | if (!(reg & cpu_to_le32(ISL38XX_INT_IDENT_INIT))) | |
799 | err = -EINVAL; | |
800 | ||
801 | P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, 0); | |
802 | P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1, | |
803 | cpu_to_le32(NET2280_PCI_INTA_INTERRUPT)); | |
804 | ||
805 | #undef P54U_WRITE | |
806 | #undef P54U_READ | |
807 | ||
1ca5f2e9 | 808 | fail: |
eff1a59c MW |
809 | kfree(buf); |
810 | return err; | |
811 | } | |
812 | ||
1ca5f2e9 CL |
813 | static int p54u_load_firmware(struct ieee80211_hw *dev) |
814 | { | |
815 | struct p54u_priv *priv = dev->priv; | |
816 | int err, i; | |
817 | ||
818 | BUILD_BUG_ON(ARRAY_SIZE(p54u_fwlist) != __NUM_P54U_HWTYPES); | |
819 | ||
820 | for (i = 0; i < __NUM_P54U_HWTYPES; i++) | |
821 | if (p54u_fwlist[i].type == priv->hw_type) | |
822 | break; | |
823 | ||
824 | if (i == __NUM_P54U_HWTYPES) | |
825 | return -EOPNOTSUPP; | |
826 | ||
827 | err = request_firmware(&priv->fw, p54u_fwlist[i].fw, &priv->udev->dev); | |
828 | if (err) { | |
829 | dev_err(&priv->udev->dev, "(p54usb) cannot load firmware %s " | |
830 | "(%d)!\n", p54u_fwlist[i].fw, err); | |
831 | ||
832 | err = request_firmware(&priv->fw, p54u_fwlist[i].fw_legacy, | |
833 | &priv->udev->dev); | |
834 | if (err) | |
835 | return err; | |
836 | } | |
837 | ||
838 | err = p54_parse_firmware(dev, priv->fw); | |
839 | if (err) | |
840 | goto out; | |
841 | ||
842 | if (priv->common.fw_interface != p54u_fwlist[i].intf) { | |
843 | dev_err(&priv->udev->dev, "wrong firmware, please get " | |
844 | "a firmware for \"%s\" and try again.\n", | |
845 | p54u_fwlist[i].hw); | |
846 | err = -EINVAL; | |
847 | } | |
848 | ||
849 | out: | |
850 | if (err) | |
851 | release_firmware(priv->fw); | |
852 | ||
853 | return err; | |
854 | } | |
855 | ||
eff1a59c MW |
856 | static int p54u_open(struct ieee80211_hw *dev) |
857 | { | |
858 | struct p54u_priv *priv = dev->priv; | |
859 | int err; | |
860 | ||
861 | err = p54u_init_urbs(dev); | |
862 | if (err) { | |
863 | return err; | |
864 | } | |
865 | ||
866 | priv->common.open = p54u_init_urbs; | |
867 | ||
868 | return 0; | |
869 | } | |
870 | ||
871 | static void p54u_stop(struct ieee80211_hw *dev) | |
872 | { | |
873 | /* TODO: figure out how to reliably stop the 3887 and net2280 so | |
874 | the hardware is still usable next time we want to start it. | |
875 | until then, we just stop listening to the hardware.. */ | |
876 | p54u_free_urbs(dev); | |
877 | return; | |
878 | } | |
879 | ||
880 | static int __devinit p54u_probe(struct usb_interface *intf, | |
881 | const struct usb_device_id *id) | |
882 | { | |
883 | struct usb_device *udev = interface_to_usbdev(intf); | |
884 | struct ieee80211_hw *dev; | |
885 | struct p54u_priv *priv; | |
886 | int err; | |
887 | unsigned int i, recognized_pipes; | |
eff1a59c MW |
888 | |
889 | dev = p54_init_common(sizeof(*priv)); | |
02e37ba1 | 890 | |
eff1a59c | 891 | if (!dev) { |
02e37ba1 | 892 | dev_err(&udev->dev, "(p54usb) ieee80211 alloc failed\n"); |
eff1a59c MW |
893 | return -ENOMEM; |
894 | } | |
895 | ||
896 | priv = dev->priv; | |
1ca5f2e9 | 897 | priv->hw_type = P54U_INVALID_HW; |
eff1a59c MW |
898 | |
899 | SET_IEEE80211_DEV(dev, &intf->dev); | |
900 | usb_set_intfdata(intf, dev); | |
901 | priv->udev = udev; | |
6982869d CL |
902 | priv->intf = intf; |
903 | skb_queue_head_init(&priv->rx_queue); | |
904 | init_usb_anchor(&priv->submitted); | |
eff1a59c MW |
905 | |
906 | usb_get_dev(udev); | |
907 | ||
908 | /* really lazy and simple way of figuring out if we're a 3887 */ | |
909 | /* TODO: should just stick the identification in the device table */ | |
910 | i = intf->altsetting->desc.bNumEndpoints; | |
911 | recognized_pipes = 0; | |
912 | while (i--) { | |
913 | switch (intf->altsetting->endpoint[i].desc.bEndpointAddress) { | |
914 | case P54U_PIPE_DATA: | |
915 | case P54U_PIPE_MGMT: | |
916 | case P54U_PIPE_BRG: | |
917 | case P54U_PIPE_DEV: | |
918 | case P54U_PIPE_DATA | USB_DIR_IN: | |
919 | case P54U_PIPE_MGMT | USB_DIR_IN: | |
920 | case P54U_PIPE_BRG | USB_DIR_IN: | |
921 | case P54U_PIPE_DEV | USB_DIR_IN: | |
922 | case P54U_PIPE_INT | USB_DIR_IN: | |
923 | recognized_pipes++; | |
924 | } | |
925 | } | |
926 | priv->common.open = p54u_open; | |
2b80848e | 927 | priv->common.stop = p54u_stop; |
eff1a59c | 928 | if (recognized_pipes < P54U_PIPE_NUMBER) { |
13792578 | 929 | #ifdef CONFIG_PM |
1ca5f2e9 CL |
930 | /* ISL3887 needs a full reset on resume */ |
931 | udev->reset_resume = 1; | |
932 | err = p54u_device_reset(dev); | |
13792578 | 933 | #endif |
1ca5f2e9 | 934 | |
eff1a59c | 935 | priv->hw_type = P54U_3887; |
a406ac0d CL |
936 | dev->extra_tx_headroom += sizeof(struct lm87_tx_hdr); |
937 | priv->common.tx_hdr_len = sizeof(struct lm87_tx_hdr); | |
938 | priv->common.tx = p54u_tx_lm87; | |
1ca5f2e9 | 939 | priv->upload_fw = p54u_upload_firmware_3887; |
eff1a59c | 940 | } else { |
2b80848e | 941 | priv->hw_type = P54U_NET2280; |
eff1a59c MW |
942 | dev->extra_tx_headroom += sizeof(struct net2280_tx_hdr); |
943 | priv->common.tx_hdr_len = sizeof(struct net2280_tx_hdr); | |
944 | priv->common.tx = p54u_tx_net2280; | |
1ca5f2e9 | 945 | priv->upload_fw = p54u_upload_firmware_net2280; |
2b80848e | 946 | } |
1ca5f2e9 | 947 | err = p54u_load_firmware(dev); |
eff1a59c MW |
948 | if (err) |
949 | goto err_free_dev; | |
950 | ||
1ca5f2e9 CL |
951 | err = priv->upload_fw(dev); |
952 | if (err) | |
953 | goto err_free_fw; | |
954 | ||
7cb77072 CL |
955 | p54u_open(dev); |
956 | err = p54_read_eeprom(dev); | |
957 | p54u_stop(dev); | |
eff1a59c | 958 | if (err) |
1ca5f2e9 | 959 | goto err_free_fw; |
eff1a59c | 960 | |
2ac71072 CL |
961 | err = p54_register_common(dev, &udev->dev); |
962 | if (err) | |
1ca5f2e9 | 963 | goto err_free_fw; |
eff1a59c | 964 | |
eff1a59c MW |
965 | return 0; |
966 | ||
1ca5f2e9 CL |
967 | err_free_fw: |
968 | release_firmware(priv->fw); | |
969 | ||
970 | err_free_dev: | |
d8c92107 | 971 | p54_free_common(dev); |
eff1a59c MW |
972 | usb_set_intfdata(intf, NULL); |
973 | usb_put_dev(udev); | |
974 | return err; | |
975 | } | |
976 | ||
977 | static void __devexit p54u_disconnect(struct usb_interface *intf) | |
978 | { | |
979 | struct ieee80211_hw *dev = usb_get_intfdata(intf); | |
980 | struct p54u_priv *priv; | |
981 | ||
982 | if (!dev) | |
983 | return; | |
984 | ||
d8c92107 | 985 | p54_unregister_common(dev); |
eff1a59c MW |
986 | |
987 | priv = dev->priv; | |
988 | usb_put_dev(interface_to_usbdev(intf)); | |
1ca5f2e9 | 989 | release_firmware(priv->fw); |
eff1a59c | 990 | p54_free_common(dev); |
eff1a59c MW |
991 | } |
992 | ||
6982869d CL |
993 | static int p54u_pre_reset(struct usb_interface *intf) |
994 | { | |
1ca5f2e9 CL |
995 | struct ieee80211_hw *dev = usb_get_intfdata(intf); |
996 | ||
997 | if (!dev) | |
998 | return -ENODEV; | |
999 | ||
1000 | p54u_stop(dev); | |
6982869d CL |
1001 | return 0; |
1002 | } | |
1003 | ||
1ca5f2e9 CL |
1004 | static int p54u_resume(struct usb_interface *intf) |
1005 | { | |
1006 | struct ieee80211_hw *dev = usb_get_intfdata(intf); | |
1007 | struct p54u_priv *priv; | |
1008 | ||
1009 | if (!dev) | |
1010 | return -ENODEV; | |
1011 | ||
1012 | priv = dev->priv; | |
1013 | if (unlikely(!(priv->upload_fw && priv->fw))) | |
1014 | return 0; | |
1015 | ||
1016 | return priv->upload_fw(dev); | |
1017 | } | |
1018 | ||
6982869d CL |
1019 | static int p54u_post_reset(struct usb_interface *intf) |
1020 | { | |
1ca5f2e9 CL |
1021 | struct ieee80211_hw *dev = usb_get_intfdata(intf); |
1022 | struct p54u_priv *priv; | |
1023 | int err; | |
1024 | ||
1025 | err = p54u_resume(intf); | |
1026 | if (err) | |
1027 | return err; | |
1028 | ||
1029 | /* reinitialize old device state */ | |
1030 | priv = dev->priv; | |
1031 | if (priv->common.mode != NL80211_IFTYPE_UNSPECIFIED) | |
1032 | ieee80211_restart_hw(dev); | |
1033 | ||
6982869d CL |
1034 | return 0; |
1035 | } | |
1036 | ||
1ca5f2e9 CL |
1037 | #ifdef CONFIG_PM |
1038 | ||
1039 | static int p54u_suspend(struct usb_interface *intf, pm_message_t message) | |
1040 | { | |
1041 | return p54u_pre_reset(intf); | |
1042 | } | |
1043 | ||
1044 | #endif /* CONFIG_PM */ | |
1045 | ||
eff1a59c | 1046 | static struct usb_driver p54u_driver = { |
32ddf071 | 1047 | .name = "p54usb", |
eff1a59c MW |
1048 | .id_table = p54u_table, |
1049 | .probe = p54u_probe, | |
1050 | .disconnect = p54u_disconnect, | |
6982869d CL |
1051 | .pre_reset = p54u_pre_reset, |
1052 | .post_reset = p54u_post_reset, | |
1ca5f2e9 CL |
1053 | #ifdef CONFIG_PM |
1054 | .suspend = p54u_suspend, | |
1055 | .resume = p54u_resume, | |
1056 | .reset_resume = p54u_resume, | |
1057 | #endif /* CONFIG_PM */ | |
fbf95296 | 1058 | .soft_unbind = 1, |
eff1a59c MW |
1059 | }; |
1060 | ||
1061 | static int __init p54u_init(void) | |
1062 | { | |
1063 | return usb_register(&p54u_driver); | |
1064 | } | |
1065 | ||
1066 | static void __exit p54u_exit(void) | |
1067 | { | |
1068 | usb_deregister(&p54u_driver); | |
1069 | } | |
1070 | ||
1071 | module_init(p54u_init); | |
1072 | module_exit(p54u_exit); |