blob: 555ccdd1221052f139cb8e972533c868dc9eb6c6 [file] [log] [blame]
Arend van Spriel71bb2442012-02-09 21:09:08 +01001/*
2 * Copyright (c) 2011 Broadcom Corporation
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#include <linux/init.h>
18#include <linux/kernel.h>
19#include <linux/module.h>
20#include <linux/kthread.h>
21#include <linux/slab.h>
22#include <linux/skbuff.h>
23#include <linux/netdevice.h>
24#include <linux/spinlock.h>
25#include <linux/ethtool.h>
26#include <linux/fcntl.h>
27#include <linux/fs.h>
28#include <linux/uaccess.h>
29#include <linux/firmware.h>
30#include <linux/usb.h>
Hauke Mehrtensedb9bc92012-05-18 20:22:53 +020031#include <linux/vmalloc.h>
Arend van Spriel71bb2442012-02-09 21:09:08 +010032#include <net/cfg80211.h>
33
34#include <defs.h>
35#include <brcmu_utils.h>
36#include <brcmu_wifi.h>
37#include <dhd_bus.h>
38#include <dhd_dbg.h>
39
40#include "usb_rdl.h"
41#include "usb.h"
42
43#define IOCTL_RESP_TIMEOUT 2000
44
45#define BRCMF_USB_SYNC_TIMEOUT 300 /* ms */
46#define BRCMF_USB_DLIMAGE_SPINWAIT 100 /* in unit of ms */
47#define BRCMF_USB_DLIMAGE_LIMIT 500 /* spinwait limit (ms) */
48
49#define BRCMF_POSTBOOT_ID 0xA123 /* ID to detect if dongle
50 has boot up */
51#define BRCMF_USB_RESETCFG_SPINWAIT 1 /* wait after resetcfg (ms) */
52
53#define BRCMF_USB_NRXQ 50
54#define BRCMF_USB_NTXQ 50
55
56#define CONFIGDESC(usb) (&((usb)->actconfig)->desc)
57#define IFPTR(usb, idx) ((usb)->actconfig->interface[(idx)])
58#define IFALTS(usb, idx) (IFPTR((usb), (idx))->altsetting[0])
59#define IFDESC(usb, idx) IFALTS((usb), (idx)).desc
60#define IFEPDESC(usb, idx, ep) (IFALTS((usb), (idx)).endpoint[(ep)]).desc
61
62#define CONTROL_IF 0
63#define BULK_IF 0
64
65#define BRCMF_USB_CBCTL_WRITE 0
66#define BRCMF_USB_CBCTL_READ 1
67#define BRCMF_USB_MAX_PKT_SIZE 1600
68
Hante Meuleman70f08222012-08-30 19:43:01 +020069#define BRCMF_USB_43143_FW_NAME "brcm/brcmfmac43143.bin"
Rafał Miłeckifda82412012-02-24 07:22:51 +010070#define BRCMF_USB_43236_FW_NAME "brcm/brcmfmac43236b.bin"
Hante Meuleman1212d372012-08-30 19:43:00 +020071#define BRCMF_USB_43242_FW_NAME "brcm/brcmfmac43242a.bin"
Arend van Spriel71bb2442012-02-09 21:09:08 +010072
73enum usbdev_suspend_state {
74 USBOS_SUSPEND_STATE_DEVICE_ACTIVE = 0, /* Device is busy, won't allow
75 suspend */
76 USBOS_SUSPEND_STATE_SUSPEND_PENDING, /* Device is idle, can be
77 * suspended. Wating PM to
78 * suspend the device
79 */
80 USBOS_SUSPEND_STATE_SUSPENDED /* Device suspended */
81};
82
Arend van Spriel71bb2442012-02-09 21:09:08 +010083struct brcmf_usb_image {
Hante Meuleman803599d2012-09-19 22:21:10 +020084 struct list_head list;
85 s8 *fwname;
86 u8 *image;
87 int image_len;
Arend van Spriel71bb2442012-02-09 21:09:08 +010088};
Hante Meuleman803599d2012-09-19 22:21:10 +020089static struct list_head fw_image_list;
Arend van Spriel71bb2442012-02-09 21:09:08 +010090
91struct intr_transfer_buf {
92 u32 notification;
93 u32 reserved;
94};
95
96struct brcmf_usbdev_info {
97 struct brcmf_usbdev bus_pub; /* MUST BE FIRST */
98 spinlock_t qlock;
99 struct list_head rx_freeq;
100 struct list_head rx_postq;
101 struct list_head tx_freeq;
102 struct list_head tx_postq;
103 enum usbdev_suspend_state suspend_state;
104 uint rx_pipe, tx_pipe, intr_pipe, rx_pipe2;
105
106 bool activity;
107 int rx_low_watermark;
108 int tx_low_watermark;
109 int tx_high_watermark;
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200110 int tx_freecount;
111 bool tx_flowblock;
Arend van Spriel71bb2442012-02-09 21:09:08 +0100112
113 struct brcmf_usbreq *tx_reqs;
114 struct brcmf_usbreq *rx_reqs;
115
116 u8 *image; /* buffer for combine fw and nvram */
117 int image_len;
118
119 wait_queue_head_t wait;
120 bool waitdone;
121 int sync_urb_status;
122
123 struct usb_device *usbdev;
124 struct device *dev;
Arend van Spriel71bb2442012-02-09 21:09:08 +0100125
126 int ctl_in_pipe, ctl_out_pipe;
127 struct urb *ctl_urb; /* URB for control endpoint */
128 struct usb_ctrlrequest ctl_write;
129 struct usb_ctrlrequest ctl_read;
130 u32 ctl_urb_actual_length;
131 int ctl_urb_status;
132 int ctl_completed;
133 wait_queue_head_t ioctl_resp_wait;
134 wait_queue_head_t ctrl_wait;
135 ulong ctl_op;
136
Arend van Spriel71bb2442012-02-09 21:09:08 +0100137 struct urb *bulk_urb; /* used for FW download */
138 struct urb *intr_urb; /* URB for interrupt endpoint */
139 int intr_size; /* Size of interrupt message */
140 int interval; /* Interrupt polling interval */
141 struct intr_transfer_buf intr; /* Data buffer for interrupt endpoint */
Arend van Spriel71bb2442012-02-09 21:09:08 +0100142};
143
144static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo,
145 struct brcmf_usbreq *req);
146
147MODULE_AUTHOR("Broadcom Corporation");
148MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac usb driver.");
149MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac usb cards");
150MODULE_LICENSE("Dual BSD/GPL");
151
152static struct brcmf_usbdev *brcmf_usb_get_buspub(struct device *dev)
153{
154 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
155 return bus_if->bus_priv.usb;
156}
157
158static struct brcmf_usbdev_info *brcmf_usb_get_businfo(struct device *dev)
159{
160 return brcmf_usb_get_buspub(dev)->devinfo;
161}
162
Hante Meuleman70398a52012-09-27 14:17:47 +0200163static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info *devinfo)
Arend van Spriel71bb2442012-02-09 21:09:08 +0100164{
Hante Meuleman70398a52012-09-27 14:17:47 +0200165 return wait_event_timeout(devinfo->ioctl_resp_wait,
166 devinfo->ctl_completed,
167 msecs_to_jiffies(IOCTL_RESP_TIMEOUT));
Arend van Spriel71bb2442012-02-09 21:09:08 +0100168}
169
Hante Meuleman70398a52012-09-27 14:17:47 +0200170static void brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo)
Arend van Spriel71bb2442012-02-09 21:09:08 +0100171{
172 if (waitqueue_active(&devinfo->ioctl_resp_wait))
Hante Meuleman70398a52012-09-27 14:17:47 +0200173 wake_up(&devinfo->ioctl_resp_wait);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100174}
175
176static void
177brcmf_usb_ctl_complete(struct brcmf_usbdev_info *devinfo, int type, int status)
178{
179
180 if (unlikely(devinfo == NULL))
181 return;
182
183 if (type == BRCMF_USB_CBCTL_READ) {
184 if (status == 0)
185 devinfo->bus_pub.stats.rx_ctlpkts++;
186 else
187 devinfo->bus_pub.stats.rx_ctlerrs++;
188 } else if (type == BRCMF_USB_CBCTL_WRITE) {
189 if (status == 0)
190 devinfo->bus_pub.stats.tx_ctlpkts++;
191 else
192 devinfo->bus_pub.stats.tx_ctlerrs++;
193 }
194
195 devinfo->ctl_urb_status = status;
196 devinfo->ctl_completed = true;
197 brcmf_usb_ioctl_resp_wake(devinfo);
198}
199
200static void
201brcmf_usb_ctlread_complete(struct urb *urb)
202{
203 struct brcmf_usbdev_info *devinfo =
204 (struct brcmf_usbdev_info *)urb->context;
205
206 devinfo->ctl_urb_actual_length = urb->actual_length;
207 brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_READ,
208 urb->status);
209}
210
211static void
212brcmf_usb_ctlwrite_complete(struct urb *urb)
213{
214 struct brcmf_usbdev_info *devinfo =
215 (struct brcmf_usbdev_info *)urb->context;
216
217 brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_WRITE,
218 urb->status);
219}
220
221static int brcmf_usb_pnp(struct brcmf_usbdev_info *devinfo, uint state)
222{
223 return 0;
224}
225
226static int
227brcmf_usb_send_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len)
228{
229 int ret;
230 u16 size;
231
232 if (devinfo == NULL || buf == NULL ||
233 len == 0 || devinfo->ctl_urb == NULL)
234 return -EINVAL;
235
236 /* If the USB/HSIC bus in sleep state, wake it up */
237 if (devinfo->suspend_state == USBOS_SUSPEND_STATE_SUSPENDED)
238 if (brcmf_usb_pnp(devinfo, BCMFMAC_USB_PNP_RESUME) != 0) {
239 brcmf_dbg(ERROR, "Could not Resume the bus!\n");
240 return -EIO;
241 }
242
243 devinfo->activity = true;
244 size = len;
245 devinfo->ctl_write.wLength = cpu_to_le16p(&size);
246 devinfo->ctl_urb->transfer_buffer_length = size;
247 devinfo->ctl_urb_status = 0;
248 devinfo->ctl_urb_actual_length = 0;
249
250 usb_fill_control_urb(devinfo->ctl_urb,
251 devinfo->usbdev,
252 devinfo->ctl_out_pipe,
253 (unsigned char *) &devinfo->ctl_write,
254 buf, size,
255 (usb_complete_t)brcmf_usb_ctlwrite_complete,
256 devinfo);
257
258 ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC);
259 if (ret < 0)
260 brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret);
261
262 return ret;
263}
264
265static int
266brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len)
267{
268 int ret;
269 u16 size;
270
271 if ((devinfo == NULL) || (buf == NULL) || (len == 0)
272 || (devinfo->ctl_urb == NULL))
273 return -EINVAL;
274
275 size = len;
276 devinfo->ctl_read.wLength = cpu_to_le16p(&size);
277 devinfo->ctl_urb->transfer_buffer_length = size;
278
Hante Meuleman81643292012-09-19 22:21:14 +0200279 devinfo->ctl_read.bRequestType = USB_DIR_IN
280 | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
281 devinfo->ctl_read.bRequest = 1;
Arend van Spriel71bb2442012-02-09 21:09:08 +0100282
283 usb_fill_control_urb(devinfo->ctl_urb,
284 devinfo->usbdev,
285 devinfo->ctl_in_pipe,
286 (unsigned char *) &devinfo->ctl_read,
287 buf, size,
288 (usb_complete_t)brcmf_usb_ctlread_complete,
289 devinfo);
290
291 ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC);
292 if (ret < 0)
293 brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret);
294
295 return ret;
296}
297
298static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len)
299{
300 int err = 0;
301 int timeout = 0;
Arend van Spriel71bb2442012-02-09 21:09:08 +0100302 struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
303
304 if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) {
305 /* TODO: handle suspend/resume */
306 return -EIO;
307 }
308
309 if (test_and_set_bit(0, &devinfo->ctl_op))
310 return -EIO;
311
Hante Meulemana77f5742012-08-30 19:42:58 +0200312 devinfo->ctl_completed = false;
Arend van Spriel71bb2442012-02-09 21:09:08 +0100313 err = brcmf_usb_send_ctl(devinfo, buf, len);
314 if (err) {
315 brcmf_dbg(ERROR, "fail %d bytes: %d\n", err, len);
Hante Meuleman6385df22012-09-19 22:21:16 +0200316 clear_bit(0, &devinfo->ctl_op);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100317 return err;
318 }
Hante Meuleman70398a52012-09-27 14:17:47 +0200319 timeout = brcmf_usb_ioctl_resp_wait(devinfo);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100320 clear_bit(0, &devinfo->ctl_op);
321 if (!timeout) {
322 brcmf_dbg(ERROR, "Txctl wait timed out\n");
323 err = -EIO;
324 }
325 return err;
326}
327
328static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len)
329{
330 int err = 0;
331 int timeout = 0;
Arend van Spriel71bb2442012-02-09 21:09:08 +0100332 struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
333
334 if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) {
335 /* TODO: handle suspend/resume */
336 return -EIO;
337 }
338 if (test_and_set_bit(0, &devinfo->ctl_op))
339 return -EIO;
340
Hante Meuleman70398a52012-09-27 14:17:47 +0200341 devinfo->ctl_completed = false;
Arend van Spriel71bb2442012-02-09 21:09:08 +0100342 err = brcmf_usb_recv_ctl(devinfo, buf, len);
343 if (err) {
344 brcmf_dbg(ERROR, "fail %d bytes: %d\n", err, len);
Hante Meuleman6385df22012-09-19 22:21:16 +0200345 clear_bit(0, &devinfo->ctl_op);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100346 return err;
347 }
Hante Meuleman70398a52012-09-27 14:17:47 +0200348 timeout = brcmf_usb_ioctl_resp_wait(devinfo);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100349 err = devinfo->ctl_urb_status;
350 clear_bit(0, &devinfo->ctl_op);
351 if (!timeout) {
352 brcmf_dbg(ERROR, "rxctl wait timed out\n");
353 err = -EIO;
354 }
355 if (!err)
356 return devinfo->ctl_urb_actual_length;
357 else
358 return err;
359}
360
361static struct brcmf_usbreq *brcmf_usb_deq(struct brcmf_usbdev_info *devinfo,
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200362 struct list_head *q, int *counter)
Arend van Spriel71bb2442012-02-09 21:09:08 +0100363{
364 unsigned long flags;
365 struct brcmf_usbreq *req;
366 spin_lock_irqsave(&devinfo->qlock, flags);
367 if (list_empty(q)) {
368 spin_unlock_irqrestore(&devinfo->qlock, flags);
369 return NULL;
370 }
371 req = list_entry(q->next, struct brcmf_usbreq, list);
372 list_del_init(q->next);
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200373 if (counter)
374 (*counter)--;
Arend van Spriel71bb2442012-02-09 21:09:08 +0100375 spin_unlock_irqrestore(&devinfo->qlock, flags);
376 return req;
377
378}
379
380static void brcmf_usb_enq(struct brcmf_usbdev_info *devinfo,
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200381 struct list_head *q, struct brcmf_usbreq *req,
382 int *counter)
Arend van Spriel71bb2442012-02-09 21:09:08 +0100383{
384 unsigned long flags;
385 spin_lock_irqsave(&devinfo->qlock, flags);
386 list_add_tail(&req->list, q);
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200387 if (counter)
388 (*counter)++;
Arend van Spriel71bb2442012-02-09 21:09:08 +0100389 spin_unlock_irqrestore(&devinfo->qlock, flags);
390}
391
392static struct brcmf_usbreq *
393brcmf_usbdev_qinit(struct list_head *q, int qsize)
394{
395 int i;
396 struct brcmf_usbreq *req, *reqs;
397
398 reqs = kzalloc(sizeof(struct brcmf_usbreq) * qsize, GFP_ATOMIC);
399 if (reqs == NULL) {
400 brcmf_dbg(ERROR, "fail to allocate memory!\n");
401 return NULL;
402 }
403 req = reqs;
404
405 for (i = 0; i < qsize; i++) {
406 req->urb = usb_alloc_urb(0, GFP_ATOMIC);
407 if (!req->urb)
408 goto fail;
409
410 INIT_LIST_HEAD(&req->list);
411 list_add_tail(&req->list, q);
412 req++;
413 }
414 return reqs;
415fail:
416 brcmf_dbg(ERROR, "fail!\n");
417 while (!list_empty(q)) {
418 req = list_entry(q->next, struct brcmf_usbreq, list);
419 if (req && req->urb)
420 usb_free_urb(req->urb);
421 list_del(q->next);
422 }
423 return NULL;
424
425}
426
427static void brcmf_usb_free_q(struct list_head *q, bool pending)
428{
429 struct brcmf_usbreq *req, *next;
430 int i = 0;
431 list_for_each_entry_safe(req, next, q, list) {
Dan Carpenterd4ca0092012-02-24 09:22:27 +0300432 if (!req->urb) {
Arend van Spriel71bb2442012-02-09 21:09:08 +0100433 brcmf_dbg(ERROR, "bad req\n");
434 break;
435 }
436 i++;
437 if (pending) {
438 usb_kill_urb(req->urb);
439 } else {
440 usb_free_urb(req->urb);
441 list_del_init(&req->list);
442 }
443 }
444}
445
446static void brcmf_usb_del_fromq(struct brcmf_usbdev_info *devinfo,
447 struct brcmf_usbreq *req)
448{
449 unsigned long flags;
450
451 spin_lock_irqsave(&devinfo->qlock, flags);
452 list_del_init(&req->list);
453 spin_unlock_irqrestore(&devinfo->qlock, flags);
454}
455
456
457static void brcmf_usb_tx_complete(struct urb *urb)
458{
459 struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context;
460 struct brcmf_usbdev_info *devinfo = req->devinfo;
461
462 brcmf_usb_del_fromq(devinfo, req);
463 if (urb->status == 0)
Arend van Spriel1d9c1792012-03-02 22:55:47 +0100464 devinfo->bus_pub.bus->dstats.tx_packets++;
Arend van Spriel71bb2442012-02-09 21:09:08 +0100465 else
Arend van Spriel1d9c1792012-03-02 22:55:47 +0100466 devinfo->bus_pub.bus->dstats.tx_errors++;
Arend van Spriel71bb2442012-02-09 21:09:08 +0100467
Arend van Spriel01e33312012-08-30 10:05:34 +0200468 brcmu_pkt_buf_free_skb(req->skb);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100469 req->skb = NULL;
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200470 brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, &devinfo->tx_freecount);
471 if (devinfo->tx_freecount > devinfo->tx_high_watermark &&
472 devinfo->tx_flowblock) {
473 brcmf_txflowblock(devinfo->dev, false);
474 devinfo->tx_flowblock = false;
475 }
Arend van Spriel71bb2442012-02-09 21:09:08 +0100476}
477
478static void brcmf_usb_rx_complete(struct urb *urb)
479{
480 struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context;
481 struct brcmf_usbdev_info *devinfo = req->devinfo;
482 struct sk_buff *skb;
483 int ifidx = 0;
484
485 brcmf_usb_del_fromq(devinfo, req);
486 skb = req->skb;
487 req->skb = NULL;
488
489 if (urb->status == 0) {
Arend van Spriel1d9c1792012-03-02 22:55:47 +0100490 devinfo->bus_pub.bus->dstats.rx_packets++;
Arend van Spriel71bb2442012-02-09 21:09:08 +0100491 } else {
Arend van Spriel1d9c1792012-03-02 22:55:47 +0100492 devinfo->bus_pub.bus->dstats.rx_errors++;
Arend van Spriel01e33312012-08-30 10:05:34 +0200493 brcmu_pkt_buf_free_skb(skb);
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200494 brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100495 return;
496 }
497
498 if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP) {
499 skb_put(skb, urb->actual_length);
500 if (brcmf_proto_hdrpull(devinfo->dev, &ifidx, skb) != 0) {
501 brcmf_dbg(ERROR, "rx protocol error\n");
502 brcmu_pkt_buf_free_skb(skb);
503 devinfo->bus_pub.bus->dstats.rx_errors++;
Hante Meuleman64477eb2012-09-11 21:18:50 +0200504 } else
Arend van Spriel71bb2442012-02-09 21:09:08 +0100505 brcmf_rx_packet(devinfo->dev, ifidx, skb);
Hante Meuleman64477eb2012-09-11 21:18:50 +0200506 brcmf_usb_rx_refill(devinfo, req);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100507 } else {
Arend van Spriel01e33312012-08-30 10:05:34 +0200508 brcmu_pkt_buf_free_skb(skb);
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200509 brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100510 }
511 return;
512
513}
514
515static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo,
516 struct brcmf_usbreq *req)
517{
518 struct sk_buff *skb;
519 int ret;
520
521 if (!req || !devinfo)
522 return;
523
524 skb = dev_alloc_skb(devinfo->bus_pub.bus_mtu);
525 if (!skb) {
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200526 brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100527 return;
528 }
529 req->skb = skb;
530
531 usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->rx_pipe,
532 skb->data, skb_tailroom(skb), brcmf_usb_rx_complete,
533 req);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100534 req->devinfo = devinfo;
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200535 brcmf_usb_enq(devinfo, &devinfo->rx_postq, req, NULL);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100536
537 ret = usb_submit_urb(req->urb, GFP_ATOMIC);
Hante Meuleman2e875ac2012-08-30 10:05:36 +0200538 if (ret) {
539 brcmf_usb_del_fromq(devinfo, req);
Arend van Spriel01e33312012-08-30 10:05:34 +0200540 brcmu_pkt_buf_free_skb(req->skb);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100541 req->skb = NULL;
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200542 brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100543 }
544 return;
545}
546
547static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info *devinfo)
548{
549 struct brcmf_usbreq *req;
550
551 if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) {
552 brcmf_dbg(ERROR, "bus is not up\n");
553 return;
554 }
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200555 while ((req = brcmf_usb_deq(devinfo, &devinfo->rx_freeq, NULL)) != NULL)
Arend van Spriel71bb2442012-02-09 21:09:08 +0100556 brcmf_usb_rx_refill(devinfo, req);
557}
558
559static void
560brcmf_usb_state_change(struct brcmf_usbdev_info *devinfo, int state)
561{
562 struct brcmf_bus *bcmf_bus = devinfo->bus_pub.bus;
563 int old_state;
564
565
566 if (devinfo->bus_pub.state == state)
567 return;
568
569 old_state = devinfo->bus_pub.state;
570 brcmf_dbg(TRACE, "dbus state change from %d to to %d\n",
571 old_state, state);
572
573 /* Don't update state if it's PnP firmware re-download */
574 if (state != BCMFMAC_USB_STATE_PNP_FWDL) /* TODO */
575 devinfo->bus_pub.state = state;
576
577 if ((old_state == BCMFMAC_USB_STATE_SLEEP)
578 && (state == BCMFMAC_USB_STATE_UP)) {
579 brcmf_usb_rx_fill_all(devinfo);
580 }
581
582 /* update state of upper layer */
583 if (state == BCMFMAC_USB_STATE_DOWN) {
584 brcmf_dbg(INFO, "DBUS is down\n");
585 bcmf_bus->state = BRCMF_BUS_DOWN;
586 } else {
587 brcmf_dbg(INFO, "DBUS current state=%d\n", state);
588 }
589}
590
591static void
592brcmf_usb_intr_complete(struct urb *urb)
593{
594 struct brcmf_usbdev_info *devinfo =
595 (struct brcmf_usbdev_info *)urb->context;
596 bool killed;
597
598 if (devinfo == NULL)
599 return;
600
601 if (unlikely(urb->status)) {
602 if (devinfo->suspend_state ==
603 USBOS_SUSPEND_STATE_SUSPEND_PENDING)
604 killed = true;
605
606 if ((urb->status == -ENOENT && (!killed))
607 || urb->status == -ESHUTDOWN ||
608 urb->status == -ENODEV) {
609 brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_DOWN);
610 }
611 }
612
613 if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_DOWN) {
614 brcmf_dbg(ERROR, "intr cb when DBUS down, ignoring\n");
615 return;
616 }
617
618 if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP)
619 usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC);
620}
621
622static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb)
623{
624 struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
625 struct brcmf_usbreq *req;
626 int ret;
627
628 if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) {
629 /* TODO: handle suspend/resume */
630 return -EIO;
631 }
632
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200633 req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq,
634 &devinfo->tx_freecount);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100635 if (!req) {
Hante Meuleman2e875ac2012-08-30 10:05:36 +0200636 brcmu_pkt_buf_free_skb(skb);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100637 brcmf_dbg(ERROR, "no req to send\n");
638 return -ENOMEM;
639 }
Arend van Spriel71bb2442012-02-09 21:09:08 +0100640
641 req->skb = skb;
642 req->devinfo = devinfo;
643 usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->tx_pipe,
644 skb->data, skb->len, brcmf_usb_tx_complete, req);
645 req->urb->transfer_flags |= URB_ZERO_PACKET;
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200646 brcmf_usb_enq(devinfo, &devinfo->tx_postq, req, NULL);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100647 ret = usb_submit_urb(req->urb, GFP_ATOMIC);
Hante Meuleman2e875ac2012-08-30 10:05:36 +0200648 if (ret) {
649 brcmf_dbg(ERROR, "brcmf_usb_tx usb_submit_urb FAILED\n");
650 brcmf_usb_del_fromq(devinfo, req);
651 brcmu_pkt_buf_free_skb(req->skb);
Arend van Spriel71bb2442012-02-09 21:09:08 +0100652 req->skb = NULL;
Hante Meulemanc6ab4292012-09-11 21:18:48 +0200653 brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req,
654 &devinfo->tx_freecount);
655 } else {
656 if (devinfo->tx_freecount < devinfo->tx_low_watermark &&
657 !devinfo->tx_flowblock) {
658 brcmf_txflowblock(dev, true);
659 devinfo->tx_flowblock = true;
660 }
Arend van Spriel71bb2442012-02-09 21:09:08 +0100661 }
662
663 return ret;
664}
665
666
667static int brcmf_usb_up(struct device *dev)
668{
669 struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
670 u16 ifnum;
671
Dan Carpenterd4ca0092012-02-24 09:22:27 +0300672 if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP)
673 return 0;
674
Arend van Spriel71bb2442012-02-09 21:09:08 +0100675 /* If the USB/HSIC bus in sleep state, wake it up */
676 if (devinfo->suspend_state == USBOS_SUSPEND_STATE_SUSPENDED) {
677 if (brcmf_usb_pnp(devinfo, BCMFMAC_USB_PNP_RESUME) != 0) {
678 brcmf_dbg(ERROR, "Could not Resume the bus!\n");
679 return -EIO;
680 }
681 }
682 devinfo->activity = true;
683
684 /* Success, indicate devinfo is fully up */
685 brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_UP);
686
687 if (devinfo->intr_urb) {
688 int ret;
689
690 usb_fill_int_urb(devinfo->intr_urb, devinfo->usbdev,
691 devinfo->intr_pipe,
692 &devinfo->intr,
693 devinfo->intr_size,
694 (usb_complete_t)brcmf_usb_intr_complete,
695 devinfo,
696 devinfo->interval);
697
698 ret = usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC);
699 if (ret) {
700 brcmf_dbg(ERROR, "USB_SUBMIT_URB failed with status %d\n",
701 ret);
702 return -EINVAL;
703 }
704 }
705
706 if (devinfo->ctl_urb) {
707 devinfo->ctl_in_pipe = usb_rcvctrlpipe(devinfo->usbdev, 0);
708 devinfo->ctl_out_pipe = usb_sndctrlpipe(devinfo->usbdev, 0);
709
710 ifnum = IFDESC(devinfo->usbdev, CONTROL_IF).bInterfaceNumber;
711
712 /* CTL Write */
713 devinfo->ctl_write.bRequestType =
714 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
715 devinfo->ctl_write.bRequest = 0;
716 devinfo->ctl_write.wValue = cpu_to_le16(0);
717 devinfo->ctl_write.wIndex = cpu_to_le16p(&ifnum);
718
719 /* CTL Read */
720 devinfo->ctl_read.bRequestType =
721 USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
722 devinfo->ctl_read.bRequest = 1;
723 devinfo->ctl_read.wValue = cpu_to_le16(0);
724 devinfo->ctl_read.wIndex = cpu_to_le16p(&ifnum);
725 }
726 brcmf_usb_rx_fill_all(devinfo);
727 return 0;
728}
729
730static void brcmf_usb_down(struct device *dev)
731{
732 struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
733
734 if (devinfo == NULL)
735 return;
736
737 brcmf_dbg(TRACE, "enter\n");
738 if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_DOWN)
739 return;
740
741 brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_DOWN);
742 if (devinfo->intr_urb)
743 usb_kill_urb(devinfo->intr_urb);
744
745 if (devinfo->ctl_urb)
746 usb_kill_urb(devinfo->ctl_urb);
747
748 if (devinfo->bulk_urb)
749 usb_kill_urb(devinfo->bulk_urb);
750 brcmf_usb_free_q(&devinfo->tx_postq, true);
751
752 brcmf_usb_free_q(&devinfo->rx_postq, true);
753}
754
755static int
756brcmf_usb_sync_wait(struct brcmf_usbdev_info *devinfo, u16 time)
757{
758 int ret;
759 int err = 0;
760 int ms = time;
761
762 ret = wait_event_interruptible_timeout(devinfo->wait,
763 devinfo->waitdone == true, (ms * HZ / 1000));
764
765 if ((devinfo->waitdone == false) || (devinfo->sync_urb_status)) {
766 brcmf_dbg(ERROR, "timeout(%d) or urb err=%d\n",
767 ret, devinfo->sync_urb_status);
768 err = -EINVAL;
769 }
770 devinfo->waitdone = false;
771 return err;
772}
773
774static void
775brcmf_usb_sync_complete(struct urb *urb)
776{
777 struct brcmf_usbdev_info *devinfo =
778 (struct brcmf_usbdev_info *)urb->context;
779
780 devinfo->waitdone = true;
781 wake_up_interruptible(&devinfo->wait);
782 devinfo->sync_urb_status = urb->status;
783}
784
785static bool brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd,
786 void *buffer, int buflen)
787{
788 int ret = 0;
789 char *tmpbuf;
790 u16 size;
791
792 if ((!devinfo) || (devinfo->ctl_urb == NULL))
793 return false;
794
795 tmpbuf = kmalloc(buflen, GFP_ATOMIC);
796 if (!tmpbuf)
797 return false;
798
799 size = buflen;
800 devinfo->ctl_urb->transfer_buffer_length = size;
801
802 devinfo->ctl_read.wLength = cpu_to_le16p(&size);
803 devinfo->ctl_read.bRequestType = USB_DIR_IN | USB_TYPE_VENDOR |
804 USB_RECIP_INTERFACE;
805 devinfo->ctl_read.bRequest = cmd;
806
807 usb_fill_control_urb(devinfo->ctl_urb,
808 devinfo->usbdev,
809 usb_rcvctrlpipe(devinfo->usbdev, 0),
810 (unsigned char *) &devinfo->ctl_read,
811 (void *) tmpbuf, size,
812 (usb_complete_t)brcmf_usb_sync_complete, devinfo);
813
814 ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC);
815 if (ret < 0) {
816 brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret);
817 kfree(tmpbuf);
818 return false;
819 }
820
821 ret = brcmf_usb_sync_wait(devinfo, BRCMF_USB_SYNC_TIMEOUT);
822 memcpy(buffer, tmpbuf, buflen);
823 kfree(tmpbuf);
824
825 return (ret == 0);
826}
827
828static bool
829brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo)
830{
831 struct bootrom_id_le id;
832 u32 chipid, chiprev;
833
834 brcmf_dbg(TRACE, "enter\n");
835
836 if (devinfo == NULL)
837 return false;
838
839 /* Check if firmware downloaded already by querying runtime ID */
840 id.chip = cpu_to_le32(0xDEAD);
841 brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id,
842 sizeof(struct bootrom_id_le));
843
844 chipid = le32_to_cpu(id.chip);
845 chiprev = le32_to_cpu(id.chiprev);
846
847 if ((chipid & 0x4300) == 0x4300)
848 brcmf_dbg(INFO, "chip %x rev 0x%x\n", chipid, chiprev);
849 else
850 brcmf_dbg(INFO, "chip %d rev 0x%x\n", chipid, chiprev);
851 if (chipid == BRCMF_POSTBOOT_ID) {
852 brcmf_dbg(INFO, "firmware already downloaded\n");
853 brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id,
854 sizeof(struct bootrom_id_le));
855 return false;
856 } else {
Arend van Sprielac94f192012-03-02 22:55:46 +0100857 devinfo->bus_pub.devid = chipid;
858 devinfo->bus_pub.chiprev = chiprev;
Arend van Spriel71bb2442012-02-09 21:09:08 +0100859 }
860 return true;
861}
862
863static int
864brcmf_usb_resetcfg(struct brcmf_usbdev_info *devinfo)
865{
866 struct bootrom_id_le id;
867 u16 wait = 0, wait_time;
868
869 brcmf_dbg(TRACE, "enter\n");
870
871 if (devinfo == NULL)
872 return -EINVAL;
873
874 /* Give dongle chance to boot */
875 wait_time = BRCMF_USB_DLIMAGE_SPINWAIT;
876 while (wait < BRCMF_USB_DLIMAGE_LIMIT) {
877 mdelay(wait_time);
878 wait += wait_time;
879 id.chip = cpu_to_le32(0xDEAD); /* Get the ID */
880 brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id,
881 sizeof(struct bootrom_id_le));
882 if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID))
883 break;
884 }
885
886 if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) {
887 brcmf_dbg(INFO, "download done %d ms postboot chip 0x%x/rev 0x%x\n",
888 wait, le32_to_cpu(id.chip), le32_to_cpu(id.chiprev));
889
890 brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id,
891 sizeof(struct bootrom_id_le));
892
893 /* XXX this wait may not be necessary */
894 mdelay(BRCMF_USB_RESETCFG_SPINWAIT);
895 return 0;
896 } else {
897 brcmf_dbg(ERROR, "Cannot talk to Dongle. Firmware is not UP, %d ms\n",
898 wait);
899 return -EINVAL;
900 }
901}
902
903
904static int
905brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info *devinfo, void *buffer, int len)
906{
907 int ret;
908
909 if ((devinfo == NULL) || (devinfo->bulk_urb == NULL))
910 return -EINVAL;
911
912 /* Prepare the URB */
913 usb_fill_bulk_urb(devinfo->bulk_urb, devinfo->usbdev,
914 devinfo->tx_pipe, buffer, len,
915 (usb_complete_t)brcmf_usb_sync_complete, devinfo);
916
917 devinfo->bulk_urb->transfer_flags |= URB_ZERO_PACKET;
918
919 ret = usb_submit_urb(devinfo->bulk_urb, GFP_ATOMIC);
920 if (ret) {
921 brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret);
922 return ret;
923 }
924 ret = brcmf_usb_sync_wait(devinfo, BRCMF_USB_SYNC_TIMEOUT);
925 return ret;
926}
927
928static int
929brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen)
930{
931 unsigned int sendlen, sent, dllen;
932 char *bulkchunk = NULL, *dlpos;
933 struct rdl_state_le state;
934 u32 rdlstate, rdlbytes;
935 int err = 0;
936 brcmf_dbg(TRACE, "fw %p, len %d\n", fw, fwlen);
937
938 bulkchunk = kmalloc(RDL_CHUNK, GFP_ATOMIC);
939 if (bulkchunk == NULL) {
940 err = -ENOMEM;
941 goto fail;
942 }
943
944 /* 1) Prepare USB boot loader for runtime image */
945 brcmf_usb_dl_cmd(devinfo, DL_START, &state,
946 sizeof(struct rdl_state_le));
947
948 rdlstate = le32_to_cpu(state.state);
949 rdlbytes = le32_to_cpu(state.bytes);
950
951 /* 2) Check we are in the Waiting state */
952 if (rdlstate != DL_WAITING) {
953 brcmf_dbg(ERROR, "Failed to DL_START\n");
954 err = -EINVAL;
955 goto fail;
956 }
957 sent = 0;
958 dlpos = fw;
959 dllen = fwlen;
960
961 /* Get chip id and rev */
962 while (rdlbytes != dllen) {
963 /* Wait until the usb device reports it received all
964 * the bytes we sent */
965 if ((rdlbytes == sent) && (rdlbytes != dllen)) {
966 if ((dllen-sent) < RDL_CHUNK)
967 sendlen = dllen-sent;
968 else
969 sendlen = RDL_CHUNK;
970
971 /* simply avoid having to send a ZLP by ensuring we
972 * never have an even
973 * multiple of 64
974 */
975 if (!(sendlen % 64))
976 sendlen -= 4;
977
978 /* send data */
979 memcpy(bulkchunk, dlpos, sendlen);
980 if (brcmf_usb_dl_send_bulk(devinfo, bulkchunk,
981 sendlen)) {
982 brcmf_dbg(ERROR, "send_bulk failed\n");
983 err = -EINVAL;
984 goto fail;
985 }
986
987 dlpos += sendlen;
988 sent += sendlen;
989 }
990 if (!brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state,
991 sizeof(struct rdl_state_le))) {
992 brcmf_dbg(ERROR, "DL_GETSTATE Failed xxxx\n");
993 err = -EINVAL;
994 goto fail;
995 }
996
997 rdlstate = le32_to_cpu(state.state);
998 rdlbytes = le32_to_cpu(state.bytes);
999
1000 /* restart if an error is reported */
1001 if (rdlstate == DL_BAD_HDR || rdlstate == DL_BAD_CRC) {
1002 brcmf_dbg(ERROR, "Bad Hdr or Bad CRC state %d\n",
1003 rdlstate);
1004 err = -EINVAL;
1005 goto fail;
1006 }
1007 }
1008
1009fail:
1010 kfree(bulkchunk);
1011 brcmf_dbg(TRACE, "err=%d\n", err);
1012 return err;
1013}
1014
1015static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len)
1016{
1017 int err;
1018
1019 brcmf_dbg(TRACE, "enter\n");
1020
1021 if (devinfo == NULL)
1022 return -EINVAL;
1023
Arend van Sprielac94f192012-03-02 22:55:46 +01001024 if (devinfo->bus_pub.devid == 0xDEAD)
Arend van Spriel71bb2442012-02-09 21:09:08 +01001025 return -EINVAL;
1026
1027 err = brcmf_usb_dl_writeimage(devinfo, fw, len);
1028 if (err == 0)
1029 devinfo->bus_pub.state = BCMFMAC_USB_STATE_DL_DONE;
1030 else
1031 devinfo->bus_pub.state = BCMFMAC_USB_STATE_DL_PENDING;
1032 brcmf_dbg(TRACE, "exit: err=%d\n", err);
1033
1034 return err;
1035}
1036
1037static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo)
1038{
1039 struct rdl_state_le state;
1040
1041 brcmf_dbg(TRACE, "enter\n");
1042 if (!devinfo)
1043 return -EINVAL;
1044
Arend van Sprielac94f192012-03-02 22:55:46 +01001045 if (devinfo->bus_pub.devid == 0xDEAD)
Arend van Spriel71bb2442012-02-09 21:09:08 +01001046 return -EINVAL;
1047
1048 /* Check we are runnable */
1049 brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state,
1050 sizeof(struct rdl_state_le));
1051
1052 /* Start the image */
1053 if (state.state == cpu_to_le32(DL_RUNNABLE)) {
1054 if (!brcmf_usb_dl_cmd(devinfo, DL_GO, &state,
1055 sizeof(struct rdl_state_le)))
1056 return -ENODEV;
1057 if (brcmf_usb_resetcfg(devinfo))
1058 return -ENODEV;
1059 /* The Dongle may go for re-enumeration. */
1060 } else {
1061 brcmf_dbg(ERROR, "Dongle not runnable\n");
1062 return -EINVAL;
1063 }
1064 brcmf_dbg(TRACE, "exit\n");
1065 return 0;
1066}
1067
1068static bool brcmf_usb_chip_support(int chipid, int chiprev)
1069{
1070 switch(chipid) {
Hante Meuleman70f08222012-08-30 19:43:01 +02001071 case 43143:
1072 return true;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001073 case 43235:
1074 case 43236:
1075 case 43238:
1076 return (chiprev == 3);
Hante Meuleman1212d372012-08-30 19:43:00 +02001077 case 43242:
1078 return true;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001079 default:
1080 break;
1081 }
1082 return false;
1083}
1084
1085static int
1086brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo)
1087{
Arend van Sprielac94f192012-03-02 22:55:46 +01001088 int devid, chiprev;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001089 int err;
1090
1091 brcmf_dbg(TRACE, "enter\n");
1092 if (devinfo == NULL)
1093 return -ENODEV;
1094
Arend van Sprielac94f192012-03-02 22:55:46 +01001095 devid = devinfo->bus_pub.devid;
1096 chiprev = devinfo->bus_pub.chiprev;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001097
Arend van Sprielac94f192012-03-02 22:55:46 +01001098 if (!brcmf_usb_chip_support(devid, chiprev)) {
Arend van Spriel71bb2442012-02-09 21:09:08 +01001099 brcmf_dbg(ERROR, "unsupported chip %d rev %d\n",
Arend van Sprielac94f192012-03-02 22:55:46 +01001100 devid, chiprev);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001101 return -EINVAL;
1102 }
1103
1104 if (!devinfo->image) {
1105 brcmf_dbg(ERROR, "No firmware!\n");
1106 return -ENOENT;
1107 }
1108
1109 err = brcmf_usb_dlstart(devinfo,
1110 devinfo->image, devinfo->image_len);
1111 if (err == 0)
1112 err = brcmf_usb_dlrun(devinfo);
1113 return err;
1114}
1115
1116
Hante Meulemand74a0b52012-09-11 21:18:51 +02001117static void brcmf_usb_detach(struct brcmf_usbdev_info *devinfo)
Arend van Spriel71bb2442012-02-09 21:09:08 +01001118{
Arend van Spriel71bb2442012-02-09 21:09:08 +01001119 brcmf_dbg(TRACE, "devinfo %p\n", devinfo);
1120
Arend van Spriel71bb2442012-02-09 21:09:08 +01001121 /* free the URBS */
1122 brcmf_usb_free_q(&devinfo->rx_freeq, false);
1123 brcmf_usb_free_q(&devinfo->tx_freeq, false);
1124
1125 usb_free_urb(devinfo->intr_urb);
1126 usb_free_urb(devinfo->ctl_urb);
1127 usb_free_urb(devinfo->bulk_urb);
1128
1129 kfree(devinfo->tx_reqs);
1130 kfree(devinfo->rx_reqs);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001131}
1132
1133#define TRX_MAGIC 0x30524448 /* "HDR0" */
1134#define TRX_VERSION 1 /* Version 1 */
1135#define TRX_MAX_LEN 0x3B0000 /* Max length */
1136#define TRX_NO_HEADER 1 /* Do not write TRX header */
1137#define TRX_MAX_OFFSET 3 /* Max number of individual files */
1138#define TRX_UNCOMP_IMAGE 0x20 /* Trx contains uncompressed image */
1139
1140struct trx_header_le {
1141 __le32 magic; /* "HDR0" */
1142 __le32 len; /* Length of file including header */
1143 __le32 crc32; /* CRC from flag_version to end of file */
1144 __le32 flag_version; /* 0:15 flags, 16:31 version */
1145 __le32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of
1146 * header */
1147};
1148
1149static int check_file(const u8 *headers)
1150{
1151 struct trx_header_le *trx;
1152 int actual_len = -1;
1153
1154 /* Extract trx header */
1155 trx = (struct trx_header_le *) headers;
1156 if (trx->magic != cpu_to_le32(TRX_MAGIC))
1157 return -1;
1158
1159 headers += sizeof(struct trx_header_le);
1160
1161 if (le32_to_cpu(trx->flag_version) & TRX_UNCOMP_IMAGE) {
1162 actual_len = le32_to_cpu(trx->offsets[TRX_OFFSETS_DLFWLEN_IDX]);
1163 return actual_len + sizeof(struct trx_header_le);
1164 }
1165 return -1;
1166}
1167
1168static int brcmf_usb_get_fw(struct brcmf_usbdev_info *devinfo)
1169{
1170 s8 *fwname;
1171 const struct firmware *fw;
Hante Meuleman803599d2012-09-19 22:21:10 +02001172 struct brcmf_usb_image *fw_image;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001173 int err;
1174
Hante Meuleman1212d372012-08-30 19:43:00 +02001175 switch (devinfo->bus_pub.devid) {
Hante Meuleman70f08222012-08-30 19:43:01 +02001176 case 43143:
1177 fwname = BRCMF_USB_43143_FW_NAME;
1178 break;
Hante Meuleman1212d372012-08-30 19:43:00 +02001179 case 43235:
1180 case 43236:
1181 case 43238:
1182 fwname = BRCMF_USB_43236_FW_NAME;
1183 break;
1184 case 43242:
1185 fwname = BRCMF_USB_43242_FW_NAME;
1186 break;
1187 default:
1188 return -EINVAL;
1189 break;
1190 }
Arend van Spriel71bb2442012-02-09 21:09:08 +01001191
Hante Meuleman803599d2012-09-19 22:21:10 +02001192 list_for_each_entry(fw_image, &fw_image_list, list) {
1193 if (fw_image->fwname == fwname) {
1194 devinfo->image = fw_image->image;
1195 devinfo->image_len = fw_image->image_len;
1196 return 0;
1197 }
1198 }
1199 /* fw image not yet loaded. Load it now and add to list */
Arend van Spriel71bb2442012-02-09 21:09:08 +01001200 err = request_firmware(&fw, fwname, devinfo->dev);
1201 if (!fw) {
1202 brcmf_dbg(ERROR, "fail to request firmware %s\n", fwname);
1203 return err;
1204 }
1205 if (check_file(fw->data) < 0) {
1206 brcmf_dbg(ERROR, "invalid firmware %s\n", fwname);
1207 return -EINVAL;
1208 }
1209
Hante Meuleman803599d2012-09-19 22:21:10 +02001210 fw_image = kzalloc(sizeof(*fw_image), GFP_ATOMIC);
1211 if (!fw_image)
1212 return -ENOMEM;
1213 INIT_LIST_HEAD(&fw_image->list);
1214 list_add_tail(&fw_image->list, &fw_image_list);
1215 fw_image->fwname = fwname;
1216 fw_image->image = vmalloc(fw->size);
1217 if (!fw_image->image)
Arend van Spriel71bb2442012-02-09 21:09:08 +01001218 return -ENOMEM;
1219
Hante Meuleman803599d2012-09-19 22:21:10 +02001220 memcpy(fw_image->image, fw->data, fw->size);
1221 fw_image->image_len = fw->size;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001222
1223 release_firmware(fw);
Hante Meuleman803599d2012-09-19 22:21:10 +02001224
1225 devinfo->image = fw_image->image;
1226 devinfo->image_len = fw_image->image_len;
1227
Arend van Spriel71bb2442012-02-09 21:09:08 +01001228 return 0;
1229}
1230
1231
1232static
Hante Meulemand74a0b52012-09-11 21:18:51 +02001233struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo,
1234 int nrxq, int ntxq)
Arend van Spriel71bb2442012-02-09 21:09:08 +01001235{
Arend van Spriel71bb2442012-02-09 21:09:08 +01001236 devinfo->bus_pub.nrxq = nrxq;
1237 devinfo->rx_low_watermark = nrxq / 2;
1238 devinfo->bus_pub.devinfo = devinfo;
1239 devinfo->bus_pub.ntxq = ntxq;
1240
1241 /* flow control when too many tx urbs posted */
1242 devinfo->tx_low_watermark = ntxq / 4;
1243 devinfo->tx_high_watermark = devinfo->tx_low_watermark * 3;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001244 devinfo->bus_pub.bus_mtu = BRCMF_USB_MAX_PKT_SIZE;
1245
1246 /* Initialize other structure content */
1247 init_waitqueue_head(&devinfo->ioctl_resp_wait);
1248
1249 /* Initialize the spinlocks */
1250 spin_lock_init(&devinfo->qlock);
1251
1252 INIT_LIST_HEAD(&devinfo->rx_freeq);
1253 INIT_LIST_HEAD(&devinfo->rx_postq);
1254
1255 INIT_LIST_HEAD(&devinfo->tx_freeq);
1256 INIT_LIST_HEAD(&devinfo->tx_postq);
1257
Hante Meulemanc6ab4292012-09-11 21:18:48 +02001258 devinfo->tx_flowblock = false;
1259
Arend van Spriel71bb2442012-02-09 21:09:08 +01001260 devinfo->rx_reqs = brcmf_usbdev_qinit(&devinfo->rx_freeq, nrxq);
1261 if (!devinfo->rx_reqs)
1262 goto error;
1263
1264 devinfo->tx_reqs = brcmf_usbdev_qinit(&devinfo->tx_freeq, ntxq);
1265 if (!devinfo->tx_reqs)
1266 goto error;
Hante Meulemanc6ab4292012-09-11 21:18:48 +02001267 devinfo->tx_freecount = ntxq;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001268
1269 devinfo->intr_urb = usb_alloc_urb(0, GFP_ATOMIC);
1270 if (!devinfo->intr_urb) {
1271 brcmf_dbg(ERROR, "usb_alloc_urb (intr) failed\n");
1272 goto error;
1273 }
1274 devinfo->ctl_urb = usb_alloc_urb(0, GFP_ATOMIC);
1275 if (!devinfo->ctl_urb) {
1276 brcmf_dbg(ERROR, "usb_alloc_urb (ctl) failed\n");
1277 goto error;
1278 }
Arend van Spriel71bb2442012-02-09 21:09:08 +01001279 devinfo->bulk_urb = usb_alloc_urb(0, GFP_ATOMIC);
1280 if (!devinfo->bulk_urb) {
1281 brcmf_dbg(ERROR, "usb_alloc_urb (bulk) failed\n");
1282 goto error;
1283 }
1284
1285 init_waitqueue_head(&devinfo->wait);
1286 if (!brcmf_usb_dlneeded(devinfo))
1287 return &devinfo->bus_pub;
1288
1289 brcmf_dbg(TRACE, "start fw downloading\n");
1290 if (brcmf_usb_get_fw(devinfo))
1291 goto error;
1292
1293 if (brcmf_usb_fw_download(devinfo))
1294 goto error;
1295
1296 return &devinfo->bus_pub;
1297
1298error:
1299 brcmf_dbg(ERROR, "failed!\n");
Hante Meulemand74a0b52012-09-11 21:18:51 +02001300 brcmf_usb_detach(devinfo);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001301 return NULL;
1302}
1303
Hante Meulemand74a0b52012-09-11 21:18:51 +02001304static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo,
1305 const char *desc, u32 bustype, u32 hdrlen)
Arend van Spriel71bb2442012-02-09 21:09:08 +01001306{
1307 struct brcmf_bus *bus = NULL;
1308 struct brcmf_usbdev *bus_pub = NULL;
1309 int ret;
Hante Meulemand74a0b52012-09-11 21:18:51 +02001310 struct device *dev = devinfo->dev;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001311
Hante Meulemand74a0b52012-09-11 21:18:51 +02001312 bus_pub = brcmf_usb_attach(devinfo, BRCMF_USB_NRXQ, BRCMF_USB_NTXQ);
Hante Meuleman9cd23a72012-09-13 21:12:04 +02001313 if (!bus_pub)
1314 return -ENODEV;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001315
1316 bus = kzalloc(sizeof(struct brcmf_bus), GFP_ATOMIC);
1317 if (!bus) {
1318 ret = -ENOMEM;
1319 goto fail;
1320 }
1321
1322 bus_pub->bus = bus;
1323 bus->brcmf_bus_txdata = brcmf_usb_tx;
1324 bus->brcmf_bus_init = brcmf_usb_up;
1325 bus->brcmf_bus_stop = brcmf_usb_down;
1326 bus->brcmf_bus_txctl = brcmf_usb_tx_ctlpkt;
1327 bus->brcmf_bus_rxctl = brcmf_usb_rx_ctlpkt;
1328 bus->type = bustype;
1329 bus->bus_priv.usb = bus_pub;
1330 dev_set_drvdata(dev, bus);
1331
1332 /* Attach to the common driver interface */
1333 ret = brcmf_attach(hdrlen, dev);
1334 if (ret) {
1335 brcmf_dbg(ERROR, "dhd_attach failed\n");
1336 goto fail;
1337 }
1338
1339 ret = brcmf_bus_start(dev);
1340 if (ret == -ENOLINK) {
1341 brcmf_dbg(ERROR, "dongle is not responding\n");
1342 brcmf_detach(dev);
1343 goto fail;
1344 }
1345
Arend van Spriel71bb2442012-02-09 21:09:08 +01001346 return 0;
1347fail:
1348 /* Release resources in reverse order */
Arend van Spriel71bb2442012-02-09 21:09:08 +01001349 kfree(bus);
Hante Meulemand74a0b52012-09-11 21:18:51 +02001350 brcmf_usb_detach(devinfo);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001351 return ret;
1352}
1353
1354static void
Hante Meulemand74a0b52012-09-11 21:18:51 +02001355brcmf_usb_disconnect_cb(struct brcmf_usbdev_info *devinfo)
Arend van Spriel71bb2442012-02-09 21:09:08 +01001356{
Hante Meulemand74a0b52012-09-11 21:18:51 +02001357 if (!devinfo)
Arend van Spriel71bb2442012-02-09 21:09:08 +01001358 return;
Hante Meulemand74a0b52012-09-11 21:18:51 +02001359 brcmf_dbg(TRACE, "enter: bus_pub %p\n", devinfo);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001360
Hante Meulemand74a0b52012-09-11 21:18:51 +02001361 brcmf_detach(devinfo->dev);
1362 kfree(devinfo->bus_pub.bus);
1363 brcmf_usb_detach(devinfo);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001364}
1365
1366static int
1367brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
1368{
1369 int ep;
1370 struct usb_endpoint_descriptor *endpoint;
1371 int ret = 0;
1372 struct usb_device *usb = interface_to_usbdev(intf);
1373 int num_of_eps;
1374 u8 endpoint_num;
Hante Meulemand74a0b52012-09-11 21:18:51 +02001375 struct brcmf_usbdev_info *devinfo;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001376
1377 brcmf_dbg(TRACE, "enter\n");
1378
Hante Meulemand74a0b52012-09-11 21:18:51 +02001379 devinfo = kzalloc(sizeof(*devinfo), GFP_ATOMIC);
1380 if (devinfo == NULL)
1381 return -ENOMEM;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001382
Hante Meulemand74a0b52012-09-11 21:18:51 +02001383 devinfo->usbdev = usb;
1384 devinfo->dev = &usb->dev;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001385
Hante Meulemand74a0b52012-09-11 21:18:51 +02001386 usb_set_intfdata(intf, devinfo);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001387
1388 /* Check that the device supports only one configuration */
1389 if (usb->descriptor.bNumConfigurations != 1) {
1390 ret = -1;
1391 goto fail;
1392 }
1393
1394 if (usb->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) {
1395 ret = -1;
1396 goto fail;
1397 }
1398
1399 /*
1400 * Only the BDC interface configuration is supported:
1401 * Device class: USB_CLASS_VENDOR_SPEC
1402 * if0 class: USB_CLASS_VENDOR_SPEC
1403 * if0/ep0: control
1404 * if0/ep1: bulk in
1405 * if0/ep2: bulk out (ok if swapped with bulk in)
1406 */
1407 if (CONFIGDESC(usb)->bNumInterfaces != 1) {
1408 ret = -1;
1409 goto fail;
1410 }
1411
1412 /* Check interface */
1413 if (IFDESC(usb, CONTROL_IF).bInterfaceClass != USB_CLASS_VENDOR_SPEC ||
1414 IFDESC(usb, CONTROL_IF).bInterfaceSubClass != 2 ||
1415 IFDESC(usb, CONTROL_IF).bInterfaceProtocol != 0xff) {
1416 brcmf_dbg(ERROR, "invalid control interface: class %d, subclass %d, proto %d\n",
1417 IFDESC(usb, CONTROL_IF).bInterfaceClass,
1418 IFDESC(usb, CONTROL_IF).bInterfaceSubClass,
1419 IFDESC(usb, CONTROL_IF).bInterfaceProtocol);
1420 ret = -1;
1421 goto fail;
1422 }
1423
1424 /* Check control endpoint */
1425 endpoint = &IFEPDESC(usb, CONTROL_IF, 0);
1426 if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
1427 != USB_ENDPOINT_XFER_INT) {
1428 brcmf_dbg(ERROR, "invalid control endpoint %d\n",
1429 endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK);
1430 ret = -1;
1431 goto fail;
1432 }
1433
1434 endpoint_num = endpoint->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
Hante Meulemand74a0b52012-09-11 21:18:51 +02001435 devinfo->intr_pipe = usb_rcvintpipe(usb, endpoint_num);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001436
Hante Meulemand74a0b52012-09-11 21:18:51 +02001437 devinfo->rx_pipe = 0;
1438 devinfo->rx_pipe2 = 0;
1439 devinfo->tx_pipe = 0;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001440 num_of_eps = IFDESC(usb, BULK_IF).bNumEndpoints - 1;
1441
1442 /* Check data endpoints and get pipes */
1443 for (ep = 1; ep <= num_of_eps; ep++) {
1444 endpoint = &IFEPDESC(usb, BULK_IF, ep);
1445 if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) !=
1446 USB_ENDPOINT_XFER_BULK) {
1447 brcmf_dbg(ERROR, "invalid data endpoint %d\n", ep);
1448 ret = -1;
1449 goto fail;
1450 }
1451
1452 endpoint_num = endpoint->bEndpointAddress &
1453 USB_ENDPOINT_NUMBER_MASK;
1454 if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
1455 == USB_DIR_IN) {
Hante Meulemand74a0b52012-09-11 21:18:51 +02001456 if (!devinfo->rx_pipe) {
1457 devinfo->rx_pipe =
Arend van Spriel71bb2442012-02-09 21:09:08 +01001458 usb_rcvbulkpipe(usb, endpoint_num);
1459 } else {
Hante Meulemand74a0b52012-09-11 21:18:51 +02001460 devinfo->rx_pipe2 =
Arend van Spriel71bb2442012-02-09 21:09:08 +01001461 usb_rcvbulkpipe(usb, endpoint_num);
1462 }
1463 } else {
Hante Meulemand74a0b52012-09-11 21:18:51 +02001464 devinfo->tx_pipe = usb_sndbulkpipe(usb, endpoint_num);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001465 }
1466 }
1467
1468 /* Allocate interrupt URB and data buffer */
1469 /* RNDIS says 8-byte intr, our old drivers used 4-byte */
1470 if (IFEPDESC(usb, CONTROL_IF, 0).wMaxPacketSize == cpu_to_le16(16))
Hante Meulemand74a0b52012-09-11 21:18:51 +02001471 devinfo->intr_size = 8;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001472 else
Hante Meulemand74a0b52012-09-11 21:18:51 +02001473 devinfo->intr_size = 4;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001474
Hante Meulemand74a0b52012-09-11 21:18:51 +02001475 devinfo->interval = IFEPDESC(usb, CONTROL_IF, 0).bInterval;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001476
Arend van Spriel71bb2442012-02-09 21:09:08 +01001477 if (usb->speed == USB_SPEED_HIGH)
1478 brcmf_dbg(INFO, "Broadcom high speed USB wireless device detected\n");
1479 else
1480 brcmf_dbg(INFO, "Broadcom full speed USB wireless device detected\n");
1481
Hante Meulemand74a0b52012-09-11 21:18:51 +02001482 ret = brcmf_usb_probe_cb(devinfo, "", USB_BUS, 0);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001483 if (ret)
1484 goto fail;
1485
1486 /* Success */
1487 return 0;
1488
1489fail:
1490 brcmf_dbg(ERROR, "failed with errno %d\n", ret);
Hante Meulemand74a0b52012-09-11 21:18:51 +02001491 kfree(devinfo);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001492 usb_set_intfdata(intf, NULL);
1493 return ret;
1494
1495}
1496
1497static void
1498brcmf_usb_disconnect(struct usb_interface *intf)
1499{
Hante Meulemand74a0b52012-09-11 21:18:51 +02001500 struct brcmf_usbdev_info *devinfo;
Arend van Spriel71bb2442012-02-09 21:09:08 +01001501
1502 brcmf_dbg(TRACE, "enter\n");
Hante Meulemand74a0b52012-09-11 21:18:51 +02001503 devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf);
1504 brcmf_usb_disconnect_cb(devinfo);
1505 kfree(devinfo);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001506}
1507
1508/*
1509 * only need to signal the bus being down and update the suspend state.
1510 */
1511static int brcmf_usb_suspend(struct usb_interface *intf, pm_message_t state)
1512{
1513 struct usb_device *usb = interface_to_usbdev(intf);
1514 struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev);
1515
1516 brcmf_dbg(TRACE, "enter\n");
1517 devinfo->bus_pub.state = BCMFMAC_USB_STATE_DOWN;
1518 devinfo->suspend_state = USBOS_SUSPEND_STATE_SUSPENDED;
1519 return 0;
1520}
1521
1522/*
1523 * mark suspend state active and crank up the bus.
1524 */
1525static int brcmf_usb_resume(struct usb_interface *intf)
1526{
1527 struct usb_device *usb = interface_to_usbdev(intf);
1528 struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev);
1529
1530 brcmf_dbg(TRACE, "enter\n");
1531 devinfo->suspend_state = USBOS_SUSPEND_STATE_DEVICE_ACTIVE;
1532 brcmf_bus_start(&usb->dev);
1533 return 0;
1534}
1535
1536#define BRCMF_USB_VENDOR_ID_BROADCOM 0x0a5c
Hante Meuleman70f08222012-08-30 19:43:01 +02001537#define BRCMF_USB_DEVICE_ID_43143 0xbd1e
Arend van Spriel71bb2442012-02-09 21:09:08 +01001538#define BRCMF_USB_DEVICE_ID_43236 0xbd17
Hante Meuleman1212d372012-08-30 19:43:00 +02001539#define BRCMF_USB_DEVICE_ID_43242 0xbd1f
Arend van Spriel71bb2442012-02-09 21:09:08 +01001540#define BRCMF_USB_DEVICE_ID_BCMFW 0x0bdc
1541
1542static struct usb_device_id brcmf_usb_devid_table[] = {
Hante Meuleman70f08222012-08-30 19:43:01 +02001543 { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_43143) },
Arend van Spriel71bb2442012-02-09 21:09:08 +01001544 { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_43236) },
Hante Meuleman1212d372012-08-30 19:43:00 +02001545 { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_43242) },
Arend van Spriel71bb2442012-02-09 21:09:08 +01001546 /* special entry for device with firmware loaded and running */
1547 { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_BCMFW) },
1548 { }
1549};
1550MODULE_DEVICE_TABLE(usb, brcmf_usb_devid_table);
Hante Meuleman70f08222012-08-30 19:43:01 +02001551MODULE_FIRMWARE(BRCMF_USB_43143_FW_NAME);
Rafał Miłeckifda82412012-02-24 07:22:51 +01001552MODULE_FIRMWARE(BRCMF_USB_43236_FW_NAME);
Hante Meuleman1212d372012-08-30 19:43:00 +02001553MODULE_FIRMWARE(BRCMF_USB_43242_FW_NAME);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001554
1555/* TODO: suspend and resume entries */
1556static struct usb_driver brcmf_usbdrvr = {
1557 .name = KBUILD_MODNAME,
1558 .probe = brcmf_usb_probe,
1559 .disconnect = brcmf_usb_disconnect,
1560 .id_table = brcmf_usb_devid_table,
1561 .suspend = brcmf_usb_suspend,
1562 .resume = brcmf_usb_resume,
Sarah Sharpc51fa662012-05-21 05:34:24 -07001563 .supports_autosuspend = 1,
Sarah Sharpe1f12eb2012-04-23 10:08:51 -07001564 .disable_hub_initiated_lpm = 1,
Arend van Spriel71bb2442012-02-09 21:09:08 +01001565};
1566
Hante Meuleman803599d2012-09-19 22:21:10 +02001567static void brcmf_release_fw(struct list_head *q)
1568{
1569 struct brcmf_usb_image *fw_image, *next;
1570
1571 list_for_each_entry_safe(fw_image, next, q, list) {
1572 vfree(fw_image->image);
1573 list_del_init(&fw_image->list);
1574 }
1575}
1576
1577
Arend van Spriel71bb2442012-02-09 21:09:08 +01001578void brcmf_usb_exit(void)
1579{
1580 usb_deregister(&brcmf_usbdrvr);
Hante Meuleman803599d2012-09-19 22:21:10 +02001581 brcmf_release_fw(&fw_image_list);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001582}
1583
Arend van Spriel549040a2012-03-02 22:55:48 +01001584void brcmf_usb_init(void)
Arend van Spriel71bb2442012-02-09 21:09:08 +01001585{
Hante Meuleman803599d2012-09-19 22:21:10 +02001586 INIT_LIST_HEAD(&fw_image_list);
Arend van Spriel549040a2012-03-02 22:55:48 +01001587 usb_register(&brcmf_usbdrvr);
Arend van Spriel71bb2442012-02-09 21:09:08 +01001588}