2 * Copyright (c) 2011 Broadcom Corporation
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.
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.
17 #include <linux/kernel.h>
18 #include <linux/module.h>
19 #include <linux/firmware.h>
20 #include <linux/usb.h>
21 #include <linux/vmalloc.h>
23 #include <brcmu_utils.h>
24 #include <brcm_hw_ids.h>
25 #include <brcmu_wifi.h>
34 #define IOCTL_RESP_TIMEOUT msecs_to_jiffies(2000)
36 #define BRCMF_USB_RESET_GETVER_SPINWAIT 100 /* in unit of ms */
37 #define BRCMF_USB_RESET_GETVER_LOOP_CNT 10
39 #define BRCMF_POSTBOOT_ID 0xA123 /* ID to detect if dongle
41 #define BRCMF_USB_NRXQ 50
42 #define BRCMF_USB_NTXQ 50
44 #define BRCMF_USB_CBCTL_WRITE 0
45 #define BRCMF_USB_CBCTL_READ 1
46 #define BRCMF_USB_MAX_PKT_SIZE 1600
48 BRCMF_FW_DEF(43143, "brcmfmac43143.bin");
49 BRCMF_FW_DEF(43236B
, "brcmfmac43236b.bin");
50 BRCMF_FW_DEF(43242A
, "brcmfmac43242a.bin");
51 BRCMF_FW_DEF(43569, "brcmfmac43569.bin");
53 static struct brcmf_firmware_mapping brcmf_usb_fwnames
[] = {
54 BRCMF_FW_ENTRY(BRCM_CC_43143_CHIP_ID
, 0xFFFFFFFF, 43143),
55 BRCMF_FW_ENTRY(BRCM_CC_43235_CHIP_ID
, 0x00000008, 43236B
),
56 BRCMF_FW_ENTRY(BRCM_CC_43236_CHIP_ID
, 0x00000008, 43236B
),
57 BRCMF_FW_ENTRY(BRCM_CC_43238_CHIP_ID
, 0x00000008, 43236B
),
58 BRCMF_FW_ENTRY(BRCM_CC_43242_CHIP_ID
, 0xFFFFFFFF, 43242A
),
59 BRCMF_FW_ENTRY(BRCM_CC_43566_CHIP_ID
, 0xFFFFFFFF, 43569),
60 BRCMF_FW_ENTRY(BRCM_CC_43569_CHIP_ID
, 0xFFFFFFFF, 43569)
63 #define TRX_MAGIC 0x30524448 /* "HDR0" */
64 #define TRX_MAX_OFFSET 3 /* Max number of file offsets */
65 #define TRX_UNCOMP_IMAGE 0x20 /* Trx holds uncompressed img */
66 #define TRX_RDL_CHUNK 1500 /* size of each dl transfer */
67 #define TRX_OFFSETS_DLFWLEN_IDX 0
69 /* Control messages: bRequest values */
70 #define DL_GETSTATE 0 /* returns the rdl_state_t struct */
71 #define DL_CHECK_CRC 1 /* currently unused */
72 #define DL_GO 2 /* execute downloaded image */
73 #define DL_START 3 /* initialize dl state */
74 #define DL_REBOOT 4 /* reboot the device in 2 seconds */
75 #define DL_GETVER 5 /* returns the bootrom_id_t struct */
76 #define DL_GO_PROTECTED 6 /* execute the downloaded code and set reset
77 * event to occur in 2 seconds. It is the
78 * responsibility of the downloaded code to
81 #define DL_EXEC 7 /* jump to a supplied address */
82 #define DL_RESETCFG 8 /* To support single enum on dongle
83 * - Not used by bootloader
85 #define DL_DEFER_RESP_OK 9 /* Potentially defer the response to setup
90 #define DL_WAITING 0 /* waiting to rx first pkt */
91 #define DL_READY 1 /* hdr was good, waiting for more of the
94 #define DL_BAD_HDR 2 /* hdr was corrupted */
95 #define DL_BAD_CRC 3 /* compressed image was corrupted */
96 #define DL_RUNNABLE 4 /* download was successful,waiting for go cmd */
97 #define DL_START_FAIL 5 /* failed to initialize correctly */
98 #define DL_NVRAM_TOOBIG 6 /* host specified nvram data exceeds DL_NVRAM
101 #define DL_IMAGE_TOOBIG 7 /* firmware image too big */
104 struct trx_header_le
{
105 __le32 magic
; /* "HDR0" */
106 __le32 len
; /* Length of file including header */
107 __le32 crc32
; /* CRC from flag_version to end of file */
108 __le32 flag_version
; /* 0:15 flags, 16:31 version */
109 __le32 offsets
[TRX_MAX_OFFSET
]; /* Offsets of partitions from start of
114 struct rdl_state_le
{
119 struct bootrom_id_le
{
120 __le32 chip
; /* Chip id */
121 __le32 chiprev
; /* Chip rev */
122 __le32 ramsize
; /* Size of RAM */
123 __le32 remapbase
; /* Current remap base address */
124 __le32 boardtype
; /* Type of board */
125 __le32 boardrev
; /* Board revision */
128 struct brcmf_usb_image
{
129 struct list_head list
;
135 struct brcmf_usbdev_info
{
136 struct brcmf_usbdev bus_pub
; /* MUST BE FIRST */
138 struct list_head rx_freeq
;
139 struct list_head rx_postq
;
140 struct list_head tx_freeq
;
141 struct list_head tx_postq
;
142 uint rx_pipe
, tx_pipe
;
144 int rx_low_watermark
;
145 int tx_low_watermark
;
146 int tx_high_watermark
;
149 spinlock_t tx_flowblock_lock
;
151 struct brcmf_usbreq
*tx_reqs
;
152 struct brcmf_usbreq
*rx_reqs
;
154 char fw_name
[BRCMF_FW_NAME_LEN
];
155 const u8
*image
; /* buffer for combine fw and nvram */
158 struct usb_device
*usbdev
;
160 struct mutex dev_init_lock
;
162 int ctl_in_pipe
, ctl_out_pipe
;
163 struct urb
*ctl_urb
; /* URB for control endpoint */
164 struct usb_ctrlrequest ctl_write
;
165 struct usb_ctrlrequest ctl_read
;
166 u32 ctl_urb_actual_length
;
169 wait_queue_head_t ioctl_resp_wait
;
173 struct urb
*bulk_urb
; /* used for FW download */
176 struct brcmf_mp_device
*settings
;
179 static void brcmf_usb_rx_refill(struct brcmf_usbdev_info
*devinfo
,
180 struct brcmf_usbreq
*req
);
182 static struct brcmf_usbdev
*brcmf_usb_get_buspub(struct device
*dev
)
184 struct brcmf_bus
*bus_if
= dev_get_drvdata(dev
);
185 return bus_if
->bus_priv
.usb
;
188 static struct brcmf_usbdev_info
*brcmf_usb_get_businfo(struct device
*dev
)
190 return brcmf_usb_get_buspub(dev
)->devinfo
;
193 static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info
*devinfo
)
195 return wait_event_timeout(devinfo
->ioctl_resp_wait
,
196 devinfo
->ctl_completed
, IOCTL_RESP_TIMEOUT
);
199 static void brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info
*devinfo
)
201 wake_up(&devinfo
->ioctl_resp_wait
);
205 brcmf_usb_ctl_complete(struct brcmf_usbdev_info
*devinfo
, int type
, int status
)
207 brcmf_dbg(USB
, "Enter, status=%d\n", status
);
209 if (unlikely(devinfo
== NULL
))
212 if (type
== BRCMF_USB_CBCTL_READ
) {
214 devinfo
->bus_pub
.stats
.rx_ctlpkts
++;
216 devinfo
->bus_pub
.stats
.rx_ctlerrs
++;
217 } else if (type
== BRCMF_USB_CBCTL_WRITE
) {
219 devinfo
->bus_pub
.stats
.tx_ctlpkts
++;
221 devinfo
->bus_pub
.stats
.tx_ctlerrs
++;
224 devinfo
->ctl_urb_status
= status
;
225 devinfo
->ctl_completed
= true;
226 brcmf_usb_ioctl_resp_wake(devinfo
);
230 brcmf_usb_ctlread_complete(struct urb
*urb
)
232 struct brcmf_usbdev_info
*devinfo
=
233 (struct brcmf_usbdev_info
*)urb
->context
;
235 brcmf_dbg(USB
, "Enter\n");
236 devinfo
->ctl_urb_actual_length
= urb
->actual_length
;
237 brcmf_usb_ctl_complete(devinfo
, BRCMF_USB_CBCTL_READ
,
242 brcmf_usb_ctlwrite_complete(struct urb
*urb
)
244 struct brcmf_usbdev_info
*devinfo
=
245 (struct brcmf_usbdev_info
*)urb
->context
;
247 brcmf_dbg(USB
, "Enter\n");
248 brcmf_usb_ctl_complete(devinfo
, BRCMF_USB_CBCTL_WRITE
,
253 brcmf_usb_send_ctl(struct brcmf_usbdev_info
*devinfo
, u8
*buf
, int len
)
258 brcmf_dbg(USB
, "Enter\n");
259 if (devinfo
== NULL
|| buf
== NULL
||
260 len
== 0 || devinfo
->ctl_urb
== NULL
)
264 devinfo
->ctl_write
.wLength
= cpu_to_le16p(&size
);
265 devinfo
->ctl_urb
->transfer_buffer_length
= size
;
266 devinfo
->ctl_urb_status
= 0;
267 devinfo
->ctl_urb_actual_length
= 0;
269 usb_fill_control_urb(devinfo
->ctl_urb
,
271 devinfo
->ctl_out_pipe
,
272 (unsigned char *) &devinfo
->ctl_write
,
274 (usb_complete_t
)brcmf_usb_ctlwrite_complete
,
277 ret
= usb_submit_urb(devinfo
->ctl_urb
, GFP_ATOMIC
);
279 brcmf_err("usb_submit_urb failed %d\n", ret
);
285 brcmf_usb_recv_ctl(struct brcmf_usbdev_info
*devinfo
, u8
*buf
, int len
)
290 brcmf_dbg(USB
, "Enter\n");
291 if ((devinfo
== NULL
) || (buf
== NULL
) || (len
== 0)
292 || (devinfo
->ctl_urb
== NULL
))
296 devinfo
->ctl_read
.wLength
= cpu_to_le16p(&size
);
297 devinfo
->ctl_urb
->transfer_buffer_length
= size
;
299 devinfo
->ctl_read
.bRequestType
= USB_DIR_IN
300 | USB_TYPE_CLASS
| USB_RECIP_INTERFACE
;
301 devinfo
->ctl_read
.bRequest
= 1;
303 usb_fill_control_urb(devinfo
->ctl_urb
,
305 devinfo
->ctl_in_pipe
,
306 (unsigned char *) &devinfo
->ctl_read
,
308 (usb_complete_t
)brcmf_usb_ctlread_complete
,
311 ret
= usb_submit_urb(devinfo
->ctl_urb
, GFP_ATOMIC
);
313 brcmf_err("usb_submit_urb failed %d\n", ret
);
318 static int brcmf_usb_tx_ctlpkt(struct device
*dev
, u8
*buf
, u32 len
)
322 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(dev
);
324 brcmf_dbg(USB
, "Enter\n");
325 if (devinfo
->bus_pub
.state
!= BRCMFMAC_USB_STATE_UP
)
328 if (test_and_set_bit(0, &devinfo
->ctl_op
))
331 devinfo
->ctl_completed
= false;
332 err
= brcmf_usb_send_ctl(devinfo
, buf
, len
);
334 brcmf_err("fail %d bytes: %d\n", err
, len
);
335 clear_bit(0, &devinfo
->ctl_op
);
338 timeout
= brcmf_usb_ioctl_resp_wait(devinfo
);
339 clear_bit(0, &devinfo
->ctl_op
);
341 brcmf_err("Txctl wait timed out\n");
347 static int brcmf_usb_rx_ctlpkt(struct device
*dev
, u8
*buf
, u32 len
)
351 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(dev
);
353 brcmf_dbg(USB
, "Enter\n");
354 if (devinfo
->bus_pub
.state
!= BRCMFMAC_USB_STATE_UP
)
357 if (test_and_set_bit(0, &devinfo
->ctl_op
))
360 devinfo
->ctl_completed
= false;
361 err
= brcmf_usb_recv_ctl(devinfo
, buf
, len
);
363 brcmf_err("fail %d bytes: %d\n", err
, len
);
364 clear_bit(0, &devinfo
->ctl_op
);
367 timeout
= brcmf_usb_ioctl_resp_wait(devinfo
);
368 err
= devinfo
->ctl_urb_status
;
369 clear_bit(0, &devinfo
->ctl_op
);
371 brcmf_err("rxctl wait timed out\n");
375 return devinfo
->ctl_urb_actual_length
;
380 static struct brcmf_usbreq
*brcmf_usb_deq(struct brcmf_usbdev_info
*devinfo
,
381 struct list_head
*q
, int *counter
)
384 struct brcmf_usbreq
*req
;
385 spin_lock_irqsave(&devinfo
->qlock
, flags
);
387 spin_unlock_irqrestore(&devinfo
->qlock
, flags
);
390 req
= list_entry(q
->next
, struct brcmf_usbreq
, list
);
391 list_del_init(q
->next
);
394 spin_unlock_irqrestore(&devinfo
->qlock
, flags
);
399 static void brcmf_usb_enq(struct brcmf_usbdev_info
*devinfo
,
400 struct list_head
*q
, struct brcmf_usbreq
*req
,
404 spin_lock_irqsave(&devinfo
->qlock
, flags
);
405 list_add_tail(&req
->list
, q
);
408 spin_unlock_irqrestore(&devinfo
->qlock
, flags
);
411 static struct brcmf_usbreq
*
412 brcmf_usbdev_qinit(struct list_head
*q
, int qsize
)
415 struct brcmf_usbreq
*req
, *reqs
;
417 reqs
= kcalloc(qsize
, sizeof(struct brcmf_usbreq
), GFP_ATOMIC
);
423 for (i
= 0; i
< qsize
; i
++) {
424 req
->urb
= usb_alloc_urb(0, GFP_ATOMIC
);
428 INIT_LIST_HEAD(&req
->list
);
429 list_add_tail(&req
->list
, q
);
434 brcmf_err("fail!\n");
435 while (!list_empty(q
)) {
436 req
= list_entry(q
->next
, struct brcmf_usbreq
, list
);
438 usb_free_urb(req
->urb
);
445 static void brcmf_usb_free_q(struct list_head
*q
, bool pending
)
447 struct brcmf_usbreq
*req
, *next
;
449 list_for_each_entry_safe(req
, next
, q
, list
) {
451 brcmf_err("bad req\n");
456 usb_kill_urb(req
->urb
);
458 usb_free_urb(req
->urb
);
459 list_del_init(&req
->list
);
464 static void brcmf_usb_del_fromq(struct brcmf_usbdev_info
*devinfo
,
465 struct brcmf_usbreq
*req
)
469 spin_lock_irqsave(&devinfo
->qlock
, flags
);
470 list_del_init(&req
->list
);
471 spin_unlock_irqrestore(&devinfo
->qlock
, flags
);
475 static void brcmf_usb_tx_complete(struct urb
*urb
)
477 struct brcmf_usbreq
*req
= (struct brcmf_usbreq
*)urb
->context
;
478 struct brcmf_usbdev_info
*devinfo
= req
->devinfo
;
481 brcmf_dbg(USB
, "Enter, urb->status=%d, skb=%p\n", urb
->status
,
483 brcmf_usb_del_fromq(devinfo
, req
);
485 brcmf_txcomplete(devinfo
->dev
, req
->skb
, urb
->status
== 0);
487 brcmf_usb_enq(devinfo
, &devinfo
->tx_freeq
, req
, &devinfo
->tx_freecount
);
488 spin_lock_irqsave(&devinfo
->tx_flowblock_lock
, flags
);
489 if (devinfo
->tx_freecount
> devinfo
->tx_high_watermark
&&
490 devinfo
->tx_flowblock
) {
491 brcmf_txflowblock(devinfo
->dev
, false);
492 devinfo
->tx_flowblock
= false;
494 spin_unlock_irqrestore(&devinfo
->tx_flowblock_lock
, flags
);
497 static void brcmf_usb_rx_complete(struct urb
*urb
)
499 struct brcmf_usbreq
*req
= (struct brcmf_usbreq
*)urb
->context
;
500 struct brcmf_usbdev_info
*devinfo
= req
->devinfo
;
503 brcmf_dbg(USB
, "Enter, urb->status=%d\n", urb
->status
);
504 brcmf_usb_del_fromq(devinfo
, req
);
508 /* zero lenght packets indicate usb "failure". Do not refill */
509 if (urb
->status
!= 0 || !urb
->actual_length
) {
510 brcmu_pkt_buf_free_skb(skb
);
511 brcmf_usb_enq(devinfo
, &devinfo
->rx_freeq
, req
, NULL
);
515 if (devinfo
->bus_pub
.state
== BRCMFMAC_USB_STATE_UP
) {
516 skb_put(skb
, urb
->actual_length
);
517 brcmf_rx_frame(devinfo
->dev
, skb
, true);
518 brcmf_usb_rx_refill(devinfo
, req
);
520 brcmu_pkt_buf_free_skb(skb
);
521 brcmf_usb_enq(devinfo
, &devinfo
->rx_freeq
, req
, NULL
);
527 static void brcmf_usb_rx_refill(struct brcmf_usbdev_info
*devinfo
,
528 struct brcmf_usbreq
*req
)
533 if (!req
|| !devinfo
)
536 skb
= dev_alloc_skb(devinfo
->bus_pub
.bus_mtu
);
538 brcmf_usb_enq(devinfo
, &devinfo
->rx_freeq
, req
, NULL
);
543 usb_fill_bulk_urb(req
->urb
, devinfo
->usbdev
, devinfo
->rx_pipe
,
544 skb
->data
, skb_tailroom(skb
), brcmf_usb_rx_complete
,
546 req
->devinfo
= devinfo
;
547 brcmf_usb_enq(devinfo
, &devinfo
->rx_postq
, req
, NULL
);
549 ret
= usb_submit_urb(req
->urb
, GFP_ATOMIC
);
551 brcmf_usb_del_fromq(devinfo
, req
);
552 brcmu_pkt_buf_free_skb(req
->skb
);
554 brcmf_usb_enq(devinfo
, &devinfo
->rx_freeq
, req
, NULL
);
559 static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info
*devinfo
)
561 struct brcmf_usbreq
*req
;
563 if (devinfo
->bus_pub
.state
!= BRCMFMAC_USB_STATE_UP
) {
564 brcmf_err("bus is not up=%d\n", devinfo
->bus_pub
.state
);
567 while ((req
= brcmf_usb_deq(devinfo
, &devinfo
->rx_freeq
, NULL
)) != NULL
)
568 brcmf_usb_rx_refill(devinfo
, req
);
572 brcmf_usb_state_change(struct brcmf_usbdev_info
*devinfo
, int state
)
574 struct brcmf_bus
*bcmf_bus
= devinfo
->bus_pub
.bus
;
577 brcmf_dbg(USB
, "Enter, current state=%d, new state=%d\n",
578 devinfo
->bus_pub
.state
, state
);
580 if (devinfo
->bus_pub
.state
== state
)
583 old_state
= devinfo
->bus_pub
.state
;
584 devinfo
->bus_pub
.state
= state
;
586 /* update state of upper layer */
587 if (state
== BRCMFMAC_USB_STATE_DOWN
) {
588 brcmf_dbg(USB
, "DBUS is down\n");
589 brcmf_bus_change_state(bcmf_bus
, BRCMF_BUS_DOWN
);
590 } else if (state
== BRCMFMAC_USB_STATE_UP
) {
591 brcmf_dbg(USB
, "DBUS is up\n");
592 brcmf_bus_change_state(bcmf_bus
, BRCMF_BUS_UP
);
594 brcmf_dbg(USB
, "DBUS current state=%d\n", state
);
598 static int brcmf_usb_tx(struct device
*dev
, struct sk_buff
*skb
)
600 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(dev
);
601 struct brcmf_usbreq
*req
;
605 brcmf_dbg(USB
, "Enter, skb=%p\n", skb
);
606 if (devinfo
->bus_pub
.state
!= BRCMFMAC_USB_STATE_UP
) {
611 req
= brcmf_usb_deq(devinfo
, &devinfo
->tx_freeq
,
612 &devinfo
->tx_freecount
);
614 brcmf_err("no req to send\n");
620 req
->devinfo
= devinfo
;
621 usb_fill_bulk_urb(req
->urb
, devinfo
->usbdev
, devinfo
->tx_pipe
,
622 skb
->data
, skb
->len
, brcmf_usb_tx_complete
, req
);
623 req
->urb
->transfer_flags
|= URB_ZERO_PACKET
;
624 brcmf_usb_enq(devinfo
, &devinfo
->tx_postq
, req
, NULL
);
625 ret
= usb_submit_urb(req
->urb
, GFP_ATOMIC
);
627 brcmf_err("brcmf_usb_tx usb_submit_urb FAILED\n");
628 brcmf_usb_del_fromq(devinfo
, req
);
630 brcmf_usb_enq(devinfo
, &devinfo
->tx_freeq
, req
,
631 &devinfo
->tx_freecount
);
635 spin_lock_irqsave(&devinfo
->tx_flowblock_lock
, flags
);
636 if (devinfo
->tx_freecount
< devinfo
->tx_low_watermark
&&
637 !devinfo
->tx_flowblock
) {
638 brcmf_txflowblock(dev
, true);
639 devinfo
->tx_flowblock
= true;
641 spin_unlock_irqrestore(&devinfo
->tx_flowblock_lock
, flags
);
649 static int brcmf_usb_up(struct device
*dev
)
651 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(dev
);
653 brcmf_dbg(USB
, "Enter\n");
654 if (devinfo
->bus_pub
.state
== BRCMFMAC_USB_STATE_UP
)
657 /* Success, indicate devinfo is fully up */
658 brcmf_usb_state_change(devinfo
, BRCMFMAC_USB_STATE_UP
);
660 if (devinfo
->ctl_urb
) {
661 devinfo
->ctl_in_pipe
= usb_rcvctrlpipe(devinfo
->usbdev
, 0);
662 devinfo
->ctl_out_pipe
= usb_sndctrlpipe(devinfo
->usbdev
, 0);
665 devinfo
->ctl_write
.bRequestType
=
666 USB_DIR_OUT
| USB_TYPE_CLASS
| USB_RECIP_INTERFACE
;
667 devinfo
->ctl_write
.bRequest
= 0;
668 devinfo
->ctl_write
.wValue
= cpu_to_le16(0);
669 devinfo
->ctl_write
.wIndex
= cpu_to_le16(devinfo
->ifnum
);
672 devinfo
->ctl_read
.bRequestType
=
673 USB_DIR_IN
| USB_TYPE_CLASS
| USB_RECIP_INTERFACE
;
674 devinfo
->ctl_read
.bRequest
= 1;
675 devinfo
->ctl_read
.wValue
= cpu_to_le16(0);
676 devinfo
->ctl_read
.wIndex
= cpu_to_le16(devinfo
->ifnum
);
678 brcmf_usb_rx_fill_all(devinfo
);
682 static void brcmf_cancel_all_urbs(struct brcmf_usbdev_info
*devinfo
)
684 if (devinfo
->ctl_urb
)
685 usb_kill_urb(devinfo
->ctl_urb
);
686 if (devinfo
->bulk_urb
)
687 usb_kill_urb(devinfo
->bulk_urb
);
688 brcmf_usb_free_q(&devinfo
->tx_postq
, true);
689 brcmf_usb_free_q(&devinfo
->rx_postq
, true);
692 static void brcmf_usb_down(struct device
*dev
)
694 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(dev
);
696 brcmf_dbg(USB
, "Enter\n");
700 if (devinfo
->bus_pub
.state
== BRCMFMAC_USB_STATE_DOWN
)
703 brcmf_usb_state_change(devinfo
, BRCMFMAC_USB_STATE_DOWN
);
705 brcmf_cancel_all_urbs(devinfo
);
709 brcmf_usb_sync_complete(struct urb
*urb
)
711 struct brcmf_usbdev_info
*devinfo
=
712 (struct brcmf_usbdev_info
*)urb
->context
;
714 devinfo
->ctl_completed
= true;
715 brcmf_usb_ioctl_resp_wake(devinfo
);
718 static int brcmf_usb_dl_cmd(struct brcmf_usbdev_info
*devinfo
, u8 cmd
,
719 void *buffer
, int buflen
)
725 if ((!devinfo
) || (devinfo
->ctl_urb
== NULL
))
728 tmpbuf
= kmalloc(buflen
, GFP_ATOMIC
);
733 devinfo
->ctl_urb
->transfer_buffer_length
= size
;
735 devinfo
->ctl_read
.wLength
= cpu_to_le16p(&size
);
736 devinfo
->ctl_read
.bRequestType
= USB_DIR_IN
| USB_TYPE_VENDOR
|
738 devinfo
->ctl_read
.bRequest
= cmd
;
740 usb_fill_control_urb(devinfo
->ctl_urb
,
742 usb_rcvctrlpipe(devinfo
->usbdev
, 0),
743 (unsigned char *) &devinfo
->ctl_read
,
744 (void *) tmpbuf
, size
,
745 (usb_complete_t
)brcmf_usb_sync_complete
, devinfo
);
747 devinfo
->ctl_completed
= false;
748 ret
= usb_submit_urb(devinfo
->ctl_urb
, GFP_ATOMIC
);
750 brcmf_err("usb_submit_urb failed %d\n", ret
);
754 if (!brcmf_usb_ioctl_resp_wait(devinfo
)) {
755 usb_kill_urb(devinfo
->ctl_urb
);
758 memcpy(buffer
, tmpbuf
, buflen
);
767 brcmf_usb_dlneeded(struct brcmf_usbdev_info
*devinfo
)
769 struct bootrom_id_le id
;
772 brcmf_dbg(USB
, "Enter\n");
777 /* Check if firmware downloaded already by querying runtime ID */
778 id
.chip
= cpu_to_le32(0xDEAD);
779 brcmf_usb_dl_cmd(devinfo
, DL_GETVER
, &id
, sizeof(id
));
781 chipid
= le32_to_cpu(id
.chip
);
782 chiprev
= le32_to_cpu(id
.chiprev
);
784 if ((chipid
& 0x4300) == 0x4300)
785 brcmf_dbg(USB
, "chip %x rev 0x%x\n", chipid
, chiprev
);
787 brcmf_dbg(USB
, "chip %d rev 0x%x\n", chipid
, chiprev
);
788 if (chipid
== BRCMF_POSTBOOT_ID
) {
789 brcmf_dbg(USB
, "firmware already downloaded\n");
790 brcmf_usb_dl_cmd(devinfo
, DL_RESETCFG
, &id
, sizeof(id
));
793 devinfo
->bus_pub
.devid
= chipid
;
794 devinfo
->bus_pub
.chiprev
= chiprev
;
800 brcmf_usb_resetcfg(struct brcmf_usbdev_info
*devinfo
)
802 struct bootrom_id_le id
;
806 brcmf_dbg(USB
, "Enter\n");
810 mdelay(BRCMF_USB_RESET_GETVER_SPINWAIT
);
812 id
.chip
= cpu_to_le32(0xDEAD); /* Get the ID */
813 err
= brcmf_usb_dl_cmd(devinfo
, DL_GETVER
, &id
, sizeof(id
));
814 if ((err
) && (err
!= -ETIMEDOUT
))
816 if (id
.chip
== cpu_to_le32(BRCMF_POSTBOOT_ID
))
818 } while (loop_cnt
< BRCMF_USB_RESET_GETVER_LOOP_CNT
);
820 if (id
.chip
== cpu_to_le32(BRCMF_POSTBOOT_ID
)) {
821 brcmf_dbg(USB
, "postboot chip 0x%x/rev 0x%x\n",
822 le32_to_cpu(id
.chip
), le32_to_cpu(id
.chiprev
));
824 brcmf_usb_dl_cmd(devinfo
, DL_RESETCFG
, &id
, sizeof(id
));
827 brcmf_err("Cannot talk to Dongle. Firmware is not UP, %d ms\n",
828 BRCMF_USB_RESET_GETVER_SPINWAIT
* loop_cnt
);
835 brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info
*devinfo
, void *buffer
, int len
)
839 if ((devinfo
== NULL
) || (devinfo
->bulk_urb
== NULL
))
842 /* Prepare the URB */
843 usb_fill_bulk_urb(devinfo
->bulk_urb
, devinfo
->usbdev
,
844 devinfo
->tx_pipe
, buffer
, len
,
845 (usb_complete_t
)brcmf_usb_sync_complete
, devinfo
);
847 devinfo
->bulk_urb
->transfer_flags
|= URB_ZERO_PACKET
;
849 devinfo
->ctl_completed
= false;
850 ret
= usb_submit_urb(devinfo
->bulk_urb
, GFP_ATOMIC
);
852 brcmf_err("usb_submit_urb failed %d\n", ret
);
855 ret
= brcmf_usb_ioctl_resp_wait(devinfo
);
860 brcmf_usb_dl_writeimage(struct brcmf_usbdev_info
*devinfo
, u8
*fw
, int fwlen
)
862 unsigned int sendlen
, sent
, dllen
;
863 char *bulkchunk
= NULL
, *dlpos
;
864 struct rdl_state_le state
;
865 u32 rdlstate
, rdlbytes
;
868 brcmf_dbg(USB
, "Enter, fw %p, len %d\n", fw
, fwlen
);
870 bulkchunk
= kmalloc(TRX_RDL_CHUNK
, GFP_ATOMIC
);
871 if (bulkchunk
== NULL
) {
876 /* 1) Prepare USB boot loader for runtime image */
877 brcmf_usb_dl_cmd(devinfo
, DL_START
, &state
, sizeof(state
));
879 rdlstate
= le32_to_cpu(state
.state
);
880 rdlbytes
= le32_to_cpu(state
.bytes
);
882 /* 2) Check we are in the Waiting state */
883 if (rdlstate
!= DL_WAITING
) {
884 brcmf_err("Failed to DL_START\n");
892 /* Get chip id and rev */
893 while (rdlbytes
!= dllen
) {
894 /* Wait until the usb device reports it received all
895 * the bytes we sent */
896 if ((rdlbytes
== sent
) && (rdlbytes
!= dllen
)) {
897 if ((dllen
-sent
) < TRX_RDL_CHUNK
)
898 sendlen
= dllen
-sent
;
900 sendlen
= TRX_RDL_CHUNK
;
902 /* simply avoid having to send a ZLP by ensuring we
910 memcpy(bulkchunk
, dlpos
, sendlen
);
911 if (brcmf_usb_dl_send_bulk(devinfo
, bulkchunk
,
913 brcmf_err("send_bulk failed\n");
921 err
= brcmf_usb_dl_cmd(devinfo
, DL_GETSTATE
, &state
,
924 brcmf_err("DL_GETSTATE Failed\n");
928 rdlstate
= le32_to_cpu(state
.state
);
929 rdlbytes
= le32_to_cpu(state
.bytes
);
931 /* restart if an error is reported */
932 if (rdlstate
== DL_BAD_HDR
|| rdlstate
== DL_BAD_CRC
) {
933 brcmf_err("Bad Hdr or Bad CRC state %d\n",
942 brcmf_dbg(USB
, "Exit, err=%d\n", err
);
946 static int brcmf_usb_dlstart(struct brcmf_usbdev_info
*devinfo
, u8
*fw
, int len
)
950 brcmf_dbg(USB
, "Enter\n");
955 if (devinfo
->bus_pub
.devid
== 0xDEAD)
958 err
= brcmf_usb_dl_writeimage(devinfo
, fw
, len
);
960 devinfo
->bus_pub
.state
= BRCMFMAC_USB_STATE_DL_DONE
;
962 devinfo
->bus_pub
.state
= BRCMFMAC_USB_STATE_DL_FAIL
;
963 brcmf_dbg(USB
, "Exit, err=%d\n", err
);
968 static int brcmf_usb_dlrun(struct brcmf_usbdev_info
*devinfo
)
970 struct rdl_state_le state
;
972 brcmf_dbg(USB
, "Enter\n");
976 if (devinfo
->bus_pub
.devid
== 0xDEAD)
979 /* Check we are runnable */
981 brcmf_usb_dl_cmd(devinfo
, DL_GETSTATE
, &state
, sizeof(state
));
983 /* Start the image */
984 if (state
.state
== cpu_to_le32(DL_RUNNABLE
)) {
985 if (brcmf_usb_dl_cmd(devinfo
, DL_GO
, &state
, sizeof(state
)))
987 if (brcmf_usb_resetcfg(devinfo
))
989 /* The Dongle may go for re-enumeration. */
991 brcmf_err("Dongle not runnable\n");
994 brcmf_dbg(USB
, "Exit\n");
999 brcmf_usb_fw_download(struct brcmf_usbdev_info
*devinfo
)
1003 brcmf_dbg(USB
, "Enter\n");
1004 if (devinfo
== NULL
)
1007 if (!devinfo
->image
) {
1008 brcmf_err("No firmware!\n");
1012 err
= brcmf_usb_dlstart(devinfo
,
1013 (u8
*)devinfo
->image
, devinfo
->image_len
);
1015 err
= brcmf_usb_dlrun(devinfo
);
1020 static void brcmf_usb_detach(struct brcmf_usbdev_info
*devinfo
)
1022 brcmf_dbg(USB
, "Enter, devinfo %p\n", devinfo
);
1025 brcmf_usb_free_q(&devinfo
->rx_freeq
, false);
1026 brcmf_usb_free_q(&devinfo
->tx_freeq
, false);
1028 usb_free_urb(devinfo
->ctl_urb
);
1029 usb_free_urb(devinfo
->bulk_urb
);
1031 kfree(devinfo
->tx_reqs
);
1032 kfree(devinfo
->rx_reqs
);
1034 if (devinfo
->settings
)
1035 brcmf_release_module_param(devinfo
->settings
);
1039 static int check_file(const u8
*headers
)
1041 struct trx_header_le
*trx
;
1042 int actual_len
= -1;
1044 brcmf_dbg(USB
, "Enter\n");
1045 /* Extract trx header */
1046 trx
= (struct trx_header_le
*) headers
;
1047 if (trx
->magic
!= cpu_to_le32(TRX_MAGIC
))
1050 headers
+= sizeof(struct trx_header_le
);
1052 if (le32_to_cpu(trx
->flag_version
) & TRX_UNCOMP_IMAGE
) {
1053 actual_len
= le32_to_cpu(trx
->offsets
[TRX_OFFSETS_DLFWLEN_IDX
]);
1054 return actual_len
+ sizeof(struct trx_header_le
);
1061 struct brcmf_usbdev
*brcmf_usb_attach(struct brcmf_usbdev_info
*devinfo
,
1064 brcmf_dbg(USB
, "Enter\n");
1066 devinfo
->bus_pub
.nrxq
= nrxq
;
1067 devinfo
->rx_low_watermark
= nrxq
/ 2;
1068 devinfo
->bus_pub
.devinfo
= devinfo
;
1069 devinfo
->bus_pub
.ntxq
= ntxq
;
1070 devinfo
->bus_pub
.state
= BRCMFMAC_USB_STATE_DOWN
;
1072 /* flow control when too many tx urbs posted */
1073 devinfo
->tx_low_watermark
= ntxq
/ 4;
1074 devinfo
->tx_high_watermark
= devinfo
->tx_low_watermark
* 3;
1075 devinfo
->bus_pub
.bus_mtu
= BRCMF_USB_MAX_PKT_SIZE
;
1077 /* Initialize other structure content */
1078 init_waitqueue_head(&devinfo
->ioctl_resp_wait
);
1080 /* Initialize the spinlocks */
1081 spin_lock_init(&devinfo
->qlock
);
1082 spin_lock_init(&devinfo
->tx_flowblock_lock
);
1084 INIT_LIST_HEAD(&devinfo
->rx_freeq
);
1085 INIT_LIST_HEAD(&devinfo
->rx_postq
);
1087 INIT_LIST_HEAD(&devinfo
->tx_freeq
);
1088 INIT_LIST_HEAD(&devinfo
->tx_postq
);
1090 devinfo
->tx_flowblock
= false;
1092 devinfo
->rx_reqs
= brcmf_usbdev_qinit(&devinfo
->rx_freeq
, nrxq
);
1093 if (!devinfo
->rx_reqs
)
1096 devinfo
->tx_reqs
= brcmf_usbdev_qinit(&devinfo
->tx_freeq
, ntxq
);
1097 if (!devinfo
->tx_reqs
)
1099 devinfo
->tx_freecount
= ntxq
;
1101 devinfo
->ctl_urb
= usb_alloc_urb(0, GFP_ATOMIC
);
1102 if (!devinfo
->ctl_urb
) {
1103 brcmf_err("usb_alloc_urb (ctl) failed\n");
1106 devinfo
->bulk_urb
= usb_alloc_urb(0, GFP_ATOMIC
);
1107 if (!devinfo
->bulk_urb
) {
1108 brcmf_err("usb_alloc_urb (bulk) failed\n");
1112 return &devinfo
->bus_pub
;
1115 brcmf_err("failed!\n");
1116 brcmf_usb_detach(devinfo
);
1120 static void brcmf_usb_wowl_config(struct device
*dev
, bool enabled
)
1122 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(dev
);
1124 brcmf_dbg(USB
, "Configuring WOWL, enabled=%d\n", enabled
);
1125 devinfo
->wowl_enabled
= enabled
;
1127 device_set_wakeup_enable(devinfo
->dev
, true);
1129 device_set_wakeup_enable(devinfo
->dev
, false);
1132 static const struct brcmf_bus_ops brcmf_usb_bus_ops
= {
1133 .txdata
= brcmf_usb_tx
,
1134 .stop
= brcmf_usb_down
,
1135 .txctl
= brcmf_usb_tx_ctlpkt
,
1136 .rxctl
= brcmf_usb_rx_ctlpkt
,
1137 .wowl_config
= brcmf_usb_wowl_config
,
1140 static int brcmf_usb_bus_setup(struct brcmf_usbdev_info
*devinfo
)
1144 /* Attach to the common driver interface */
1145 ret
= brcmf_attach(devinfo
->dev
, devinfo
->settings
);
1147 brcmf_err("brcmf_attach failed\n");
1151 ret
= brcmf_usb_up(devinfo
->dev
);
1155 ret
= brcmf_bus_start(devinfo
->dev
);
1161 brcmf_detach(devinfo
->dev
);
1165 static void brcmf_usb_probe_phase2(struct device
*dev
,
1166 const struct firmware
*fw
,
1167 void *nvram
, u32 nvlen
)
1169 struct brcmf_bus
*bus
= dev_get_drvdata(dev
);
1170 struct brcmf_usbdev_info
*devinfo
;
1173 brcmf_dbg(USB
, "Start fw downloading\n");
1175 devinfo
= bus
->bus_priv
.usb
->devinfo
;
1176 ret
= check_file(fw
->data
);
1178 brcmf_err("invalid firmware\n");
1179 release_firmware(fw
);
1183 devinfo
->image
= fw
->data
;
1184 devinfo
->image_len
= fw
->size
;
1186 ret
= brcmf_usb_fw_download(devinfo
);
1187 release_firmware(fw
);
1191 ret
= brcmf_usb_bus_setup(devinfo
);
1195 mutex_unlock(&devinfo
->dev_init_lock
);
1198 brcmf_dbg(TRACE
, "failed: dev=%s, err=%d\n", dev_name(dev
), ret
);
1199 mutex_unlock(&devinfo
->dev_init_lock
);
1200 device_release_driver(dev
);
1203 static int brcmf_usb_probe_cb(struct brcmf_usbdev_info
*devinfo
)
1205 struct brcmf_bus
*bus
= NULL
;
1206 struct brcmf_usbdev
*bus_pub
= NULL
;
1207 struct device
*dev
= devinfo
->dev
;
1210 brcmf_dbg(USB
, "Enter\n");
1211 bus_pub
= brcmf_usb_attach(devinfo
, BRCMF_USB_NRXQ
, BRCMF_USB_NTXQ
);
1215 bus
= kzalloc(sizeof(struct brcmf_bus
), GFP_ATOMIC
);
1223 bus
->bus_priv
.usb
= bus_pub
;
1224 dev_set_drvdata(dev
, bus
);
1225 bus
->ops
= &brcmf_usb_bus_ops
;
1226 bus
->proto_type
= BRCMF_PROTO_BCDC
;
1227 bus
->always_use_fws_queue
= true;
1229 bus
->wowl_supported
= true;
1232 devinfo
->settings
= brcmf_get_module_param(bus
->dev
, BRCMF_BUSTYPE_USB
,
1235 if (!devinfo
->settings
) {
1240 if (!brcmf_usb_dlneeded(devinfo
)) {
1241 ret
= brcmf_usb_bus_setup(devinfo
);
1245 mutex_unlock(&devinfo
->dev_init_lock
);
1248 bus
->chip
= bus_pub
->devid
;
1249 bus
->chiprev
= bus_pub
->chiprev
;
1251 ret
= brcmf_fw_map_chip_to_name(bus_pub
->devid
, bus_pub
->chiprev
,
1253 ARRAY_SIZE(brcmf_usb_fwnames
),
1254 devinfo
->fw_name
, NULL
);
1258 /* request firmware here */
1259 ret
= brcmf_fw_get_firmwares(dev
, 0, devinfo
->fw_name
, NULL
,
1260 brcmf_usb_probe_phase2
);
1262 brcmf_err("firmware request failed: %d\n", ret
);
1269 /* Release resources in reverse order */
1271 brcmf_usb_detach(devinfo
);
1276 brcmf_usb_disconnect_cb(struct brcmf_usbdev_info
*devinfo
)
1280 brcmf_dbg(USB
, "Enter, bus_pub %p\n", devinfo
);
1282 brcmf_detach(devinfo
->dev
);
1283 kfree(devinfo
->bus_pub
.bus
);
1284 brcmf_usb_detach(devinfo
);
1288 brcmf_usb_probe(struct usb_interface
*intf
, const struct usb_device_id
*id
)
1290 struct usb_device
*usb
= interface_to_usbdev(intf
);
1291 struct brcmf_usbdev_info
*devinfo
;
1292 struct usb_interface_descriptor
*desc
;
1293 struct usb_endpoint_descriptor
*endpoint
;
1296 u8 endpoint_num
, ep
;
1298 brcmf_dbg(USB
, "Enter 0x%04x:0x%04x\n", id
->idVendor
, id
->idProduct
);
1300 devinfo
= kzalloc(sizeof(*devinfo
), GFP_ATOMIC
);
1301 if (devinfo
== NULL
)
1304 devinfo
->usbdev
= usb
;
1305 devinfo
->dev
= &usb
->dev
;
1306 /* Take an init lock, to protect for disconnect while still loading.
1307 * Necessary because of the asynchronous firmware load construction
1309 mutex_init(&devinfo
->dev_init_lock
);
1310 mutex_lock(&devinfo
->dev_init_lock
);
1312 usb_set_intfdata(intf
, devinfo
);
1314 /* Check that the device supports only one configuration */
1315 if (usb
->descriptor
.bNumConfigurations
!= 1) {
1316 brcmf_err("Number of configurations: %d not supported\n",
1317 usb
->descriptor
.bNumConfigurations
);
1322 if ((usb
->descriptor
.bDeviceClass
!= USB_CLASS_VENDOR_SPEC
) &&
1323 (usb
->descriptor
.bDeviceClass
!= USB_CLASS_MISC
) &&
1324 (usb
->descriptor
.bDeviceClass
!= USB_CLASS_WIRELESS_CONTROLLER
)) {
1325 brcmf_err("Device class: 0x%x not supported\n",
1326 usb
->descriptor
.bDeviceClass
);
1331 desc
= &intf
->altsetting
[0].desc
;
1332 if ((desc
->bInterfaceClass
!= USB_CLASS_VENDOR_SPEC
) ||
1333 (desc
->bInterfaceSubClass
!= 2) ||
1334 (desc
->bInterfaceProtocol
!= 0xff)) {
1335 brcmf_err("non WLAN interface %d: 0x%x:0x%x:0x%x\n",
1336 desc
->bInterfaceNumber
, desc
->bInterfaceClass
,
1337 desc
->bInterfaceSubClass
, desc
->bInterfaceProtocol
);
1342 num_of_eps
= desc
->bNumEndpoints
;
1343 for (ep
= 0; ep
< num_of_eps
; ep
++) {
1344 endpoint
= &intf
->altsetting
[0].endpoint
[ep
].desc
;
1345 endpoint_num
= usb_endpoint_num(endpoint
);
1346 if (!usb_endpoint_xfer_bulk(endpoint
))
1348 if (usb_endpoint_dir_in(endpoint
)) {
1349 if (!devinfo
->rx_pipe
)
1351 usb_rcvbulkpipe(usb
, endpoint_num
);
1353 if (!devinfo
->tx_pipe
)
1355 usb_sndbulkpipe(usb
, endpoint_num
);
1358 if (devinfo
->rx_pipe
== 0) {
1359 brcmf_err("No RX (in) Bulk EP found\n");
1363 if (devinfo
->tx_pipe
== 0) {
1364 brcmf_err("No TX (out) Bulk EP found\n");
1369 devinfo
->ifnum
= desc
->bInterfaceNumber
;
1371 if (usb
->speed
== USB_SPEED_SUPER_PLUS
)
1372 brcmf_dbg(USB
, "Broadcom super speed plus USB WLAN interface detected\n");
1373 else if (usb
->speed
== USB_SPEED_SUPER
)
1374 brcmf_dbg(USB
, "Broadcom super speed USB WLAN interface detected\n");
1375 else if (usb
->speed
== USB_SPEED_HIGH
)
1376 brcmf_dbg(USB
, "Broadcom high speed USB WLAN interface detected\n");
1378 brcmf_dbg(USB
, "Broadcom full speed USB WLAN interface detected\n");
1380 ret
= brcmf_usb_probe_cb(devinfo
);
1388 mutex_unlock(&devinfo
->dev_init_lock
);
1390 usb_set_intfdata(intf
, NULL
);
1395 brcmf_usb_disconnect(struct usb_interface
*intf
)
1397 struct brcmf_usbdev_info
*devinfo
;
1399 brcmf_dbg(USB
, "Enter\n");
1400 devinfo
= (struct brcmf_usbdev_info
*)usb_get_intfdata(intf
);
1403 mutex_lock(&devinfo
->dev_init_lock
);
1404 /* Make sure that devinfo still exists. Firmware probe routines
1405 * may have released the device and cleared the intfdata.
1407 if (!usb_get_intfdata(intf
))
1410 brcmf_usb_disconnect_cb(devinfo
);
1414 brcmf_dbg(USB
, "Exit\n");
1418 * only need to signal the bus being down and update the state.
1420 static int brcmf_usb_suspend(struct usb_interface
*intf
, pm_message_t state
)
1422 struct usb_device
*usb
= interface_to_usbdev(intf
);
1423 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(&usb
->dev
);
1425 brcmf_dbg(USB
, "Enter\n");
1426 devinfo
->bus_pub
.state
= BRCMFMAC_USB_STATE_SLEEP
;
1427 if (devinfo
->wowl_enabled
)
1428 brcmf_cancel_all_urbs(devinfo
);
1430 brcmf_detach(&usb
->dev
);
1435 * (re-) start the bus.
1437 static int brcmf_usb_resume(struct usb_interface
*intf
)
1439 struct usb_device
*usb
= interface_to_usbdev(intf
);
1440 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(&usb
->dev
);
1442 brcmf_dbg(USB
, "Enter\n");
1443 if (!devinfo
->wowl_enabled
)
1444 return brcmf_usb_bus_setup(devinfo
);
1446 devinfo
->bus_pub
.state
= BRCMFMAC_USB_STATE_UP
;
1447 brcmf_usb_rx_fill_all(devinfo
);
1451 static int brcmf_usb_reset_resume(struct usb_interface
*intf
)
1453 struct usb_device
*usb
= interface_to_usbdev(intf
);
1454 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(&usb
->dev
);
1456 brcmf_dbg(USB
, "Enter\n");
1458 return brcmf_fw_get_firmwares(&usb
->dev
, 0, devinfo
->fw_name
, NULL
,
1459 brcmf_usb_probe_phase2
);
1462 #define BRCMF_USB_DEVICE(dev_id) \
1463 { USB_DEVICE(BRCM_USB_VENDOR_ID_BROADCOM, dev_id) }
1465 static struct usb_device_id brcmf_usb_devid_table
[] = {
1466 BRCMF_USB_DEVICE(BRCM_USB_43143_DEVICE_ID
),
1467 BRCMF_USB_DEVICE(BRCM_USB_43236_DEVICE_ID
),
1468 BRCMF_USB_DEVICE(BRCM_USB_43242_DEVICE_ID
),
1469 BRCMF_USB_DEVICE(BRCM_USB_43569_DEVICE_ID
),
1470 { USB_DEVICE(BRCM_USB_VENDOR_ID_LG
, BRCM_USB_43242_LG_DEVICE_ID
) },
1471 /* special entry for device with firmware loaded and running */
1472 BRCMF_USB_DEVICE(BRCM_USB_BCMFW_DEVICE_ID
),
1473 { /* end: all zeroes */ }
1476 MODULE_DEVICE_TABLE(usb
, brcmf_usb_devid_table
);
1478 static struct usb_driver brcmf_usbdrvr
= {
1479 .name
= KBUILD_MODNAME
,
1480 .probe
= brcmf_usb_probe
,
1481 .disconnect
= brcmf_usb_disconnect
,
1482 .id_table
= brcmf_usb_devid_table
,
1483 .suspend
= brcmf_usb_suspend
,
1484 .resume
= brcmf_usb_resume
,
1485 .reset_resume
= brcmf_usb_reset_resume
,
1486 .disable_hub_initiated_lpm
= 1,
1489 static int brcmf_usb_reset_device(struct device
*dev
, void *notused
)
1491 /* device past is the usb interface so we
1492 * need to use parent here.
1494 brcmf_dev_reset(dev
->parent
);
1498 void brcmf_usb_exit(void)
1500 struct device_driver
*drv
= &brcmf_usbdrvr
.drvwrap
.driver
;
1503 brcmf_dbg(USB
, "Enter\n");
1504 ret
= driver_for_each_device(drv
, NULL
, NULL
,
1505 brcmf_usb_reset_device
);
1506 usb_deregister(&brcmf_usbdrvr
);
1509 void brcmf_usb_register(void)
1511 brcmf_dbg(USB
, "Enter\n");
1512 usb_register(&brcmf_usbdrvr
);