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>
35 #define IOCTL_RESP_TIMEOUT msecs_to_jiffies(2000)
37 #define BRCMF_USB_RESET_GETVER_SPINWAIT 100 /* in unit of ms */
38 #define BRCMF_USB_RESET_GETVER_LOOP_CNT 10
40 #define BRCMF_POSTBOOT_ID 0xA123 /* ID to detect if dongle
42 #define BRCMF_USB_NRXQ 50
43 #define BRCMF_USB_NTXQ 50
45 #define BRCMF_USB_CBCTL_WRITE 0
46 #define BRCMF_USB_CBCTL_READ 1
47 #define BRCMF_USB_MAX_PKT_SIZE 1600
49 BRCMF_FW_DEF(43143, "brcmfmac43143.bin");
50 BRCMF_FW_DEF(43236B
, "brcmfmac43236b.bin");
51 BRCMF_FW_DEF(43242A
, "brcmfmac43242a.bin");
52 BRCMF_FW_DEF(43569, "brcmfmac43569.bin");
54 static struct brcmf_firmware_mapping brcmf_usb_fwnames
[] = {
55 BRCMF_FW_ENTRY(BRCM_CC_43143_CHIP_ID
, 0xFFFFFFFF, 43143),
56 BRCMF_FW_ENTRY(BRCM_CC_43235_CHIP_ID
, 0x00000008, 43236B
),
57 BRCMF_FW_ENTRY(BRCM_CC_43236_CHIP_ID
, 0x00000008, 43236B
),
58 BRCMF_FW_ENTRY(BRCM_CC_43238_CHIP_ID
, 0x00000008, 43236B
),
59 BRCMF_FW_ENTRY(BRCM_CC_43242_CHIP_ID
, 0xFFFFFFFF, 43242A
),
60 BRCMF_FW_ENTRY(BRCM_CC_43566_CHIP_ID
, 0xFFFFFFFF, 43569),
61 BRCMF_FW_ENTRY(BRCM_CC_43569_CHIP_ID
, 0xFFFFFFFF, 43569)
64 #define TRX_MAGIC 0x30524448 /* "HDR0" */
65 #define TRX_MAX_OFFSET 3 /* Max number of file offsets */
66 #define TRX_UNCOMP_IMAGE 0x20 /* Trx holds uncompressed img */
67 #define TRX_RDL_CHUNK 1500 /* size of each dl transfer */
68 #define TRX_OFFSETS_DLFWLEN_IDX 0
70 /* Control messages: bRequest values */
71 #define DL_GETSTATE 0 /* returns the rdl_state_t struct */
72 #define DL_CHECK_CRC 1 /* currently unused */
73 #define DL_GO 2 /* execute downloaded image */
74 #define DL_START 3 /* initialize dl state */
75 #define DL_REBOOT 4 /* reboot the device in 2 seconds */
76 #define DL_GETVER 5 /* returns the bootrom_id_t struct */
77 #define DL_GO_PROTECTED 6 /* execute the downloaded code and set reset
78 * event to occur in 2 seconds. It is the
79 * responsibility of the downloaded code to
82 #define DL_EXEC 7 /* jump to a supplied address */
83 #define DL_RESETCFG 8 /* To support single enum on dongle
84 * - Not used by bootloader
86 #define DL_DEFER_RESP_OK 9 /* Potentially defer the response to setup
91 #define DL_WAITING 0 /* waiting to rx first pkt */
92 #define DL_READY 1 /* hdr was good, waiting for more of the
95 #define DL_BAD_HDR 2 /* hdr was corrupted */
96 #define DL_BAD_CRC 3 /* compressed image was corrupted */
97 #define DL_RUNNABLE 4 /* download was successful,waiting for go cmd */
98 #define DL_START_FAIL 5 /* failed to initialize correctly */
99 #define DL_NVRAM_TOOBIG 6 /* host specified nvram data exceeds DL_NVRAM
102 #define DL_IMAGE_TOOBIG 7 /* firmware image too big */
105 struct trx_header_le
{
106 __le32 magic
; /* "HDR0" */
107 __le32 len
; /* Length of file including header */
108 __le32 crc32
; /* CRC from flag_version to end of file */
109 __le32 flag_version
; /* 0:15 flags, 16:31 version */
110 __le32 offsets
[TRX_MAX_OFFSET
]; /* Offsets of partitions from start of
115 struct rdl_state_le
{
120 struct bootrom_id_le
{
121 __le32 chip
; /* Chip id */
122 __le32 chiprev
; /* Chip rev */
123 __le32 ramsize
; /* Size of RAM */
124 __le32 remapbase
; /* Current remap base address */
125 __le32 boardtype
; /* Type of board */
126 __le32 boardrev
; /* Board revision */
129 struct brcmf_usb_image
{
130 struct list_head list
;
136 struct brcmf_usbdev_info
{
137 struct brcmf_usbdev bus_pub
; /* MUST BE FIRST */
139 struct list_head rx_freeq
;
140 struct list_head rx_postq
;
141 struct list_head tx_freeq
;
142 struct list_head tx_postq
;
143 uint rx_pipe
, tx_pipe
;
145 int rx_low_watermark
;
146 int tx_low_watermark
;
147 int tx_high_watermark
;
150 spinlock_t tx_flowblock_lock
;
152 struct brcmf_usbreq
*tx_reqs
;
153 struct brcmf_usbreq
*rx_reqs
;
155 char fw_name
[BRCMF_FW_NAME_LEN
];
156 const u8
*image
; /* buffer for combine fw and nvram */
159 struct usb_device
*usbdev
;
161 struct mutex dev_init_lock
;
163 int ctl_in_pipe
, ctl_out_pipe
;
164 struct urb
*ctl_urb
; /* URB for control endpoint */
165 struct usb_ctrlrequest ctl_write
;
166 struct usb_ctrlrequest ctl_read
;
167 u32 ctl_urb_actual_length
;
170 wait_queue_head_t ioctl_resp_wait
;
174 struct urb
*bulk_urb
; /* used for FW download */
177 struct brcmf_mp_device
*settings
;
180 static void brcmf_usb_rx_refill(struct brcmf_usbdev_info
*devinfo
,
181 struct brcmf_usbreq
*req
);
183 static struct brcmf_usbdev
*brcmf_usb_get_buspub(struct device
*dev
)
185 struct brcmf_bus
*bus_if
= dev_get_drvdata(dev
);
186 return bus_if
->bus_priv
.usb
;
189 static struct brcmf_usbdev_info
*brcmf_usb_get_businfo(struct device
*dev
)
191 return brcmf_usb_get_buspub(dev
)->devinfo
;
194 static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info
*devinfo
)
196 return wait_event_timeout(devinfo
->ioctl_resp_wait
,
197 devinfo
->ctl_completed
, IOCTL_RESP_TIMEOUT
);
200 static void brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info
*devinfo
)
202 wake_up(&devinfo
->ioctl_resp_wait
);
206 brcmf_usb_ctl_complete(struct brcmf_usbdev_info
*devinfo
, int type
, int status
)
208 brcmf_dbg(USB
, "Enter, status=%d\n", status
);
210 if (unlikely(devinfo
== NULL
))
213 if (type
== BRCMF_USB_CBCTL_READ
) {
215 devinfo
->bus_pub
.stats
.rx_ctlpkts
++;
217 devinfo
->bus_pub
.stats
.rx_ctlerrs
++;
218 } else if (type
== BRCMF_USB_CBCTL_WRITE
) {
220 devinfo
->bus_pub
.stats
.tx_ctlpkts
++;
222 devinfo
->bus_pub
.stats
.tx_ctlerrs
++;
225 devinfo
->ctl_urb_status
= status
;
226 devinfo
->ctl_completed
= true;
227 brcmf_usb_ioctl_resp_wake(devinfo
);
231 brcmf_usb_ctlread_complete(struct urb
*urb
)
233 struct brcmf_usbdev_info
*devinfo
=
234 (struct brcmf_usbdev_info
*)urb
->context
;
236 brcmf_dbg(USB
, "Enter\n");
237 devinfo
->ctl_urb_actual_length
= urb
->actual_length
;
238 brcmf_usb_ctl_complete(devinfo
, BRCMF_USB_CBCTL_READ
,
243 brcmf_usb_ctlwrite_complete(struct urb
*urb
)
245 struct brcmf_usbdev_info
*devinfo
=
246 (struct brcmf_usbdev_info
*)urb
->context
;
248 brcmf_dbg(USB
, "Enter\n");
249 brcmf_usb_ctl_complete(devinfo
, BRCMF_USB_CBCTL_WRITE
,
254 brcmf_usb_send_ctl(struct brcmf_usbdev_info
*devinfo
, u8
*buf
, int len
)
259 brcmf_dbg(USB
, "Enter\n");
260 if (devinfo
== NULL
|| buf
== NULL
||
261 len
== 0 || devinfo
->ctl_urb
== NULL
)
265 devinfo
->ctl_write
.wLength
= cpu_to_le16p(&size
);
266 devinfo
->ctl_urb
->transfer_buffer_length
= size
;
267 devinfo
->ctl_urb_status
= 0;
268 devinfo
->ctl_urb_actual_length
= 0;
270 usb_fill_control_urb(devinfo
->ctl_urb
,
272 devinfo
->ctl_out_pipe
,
273 (unsigned char *) &devinfo
->ctl_write
,
275 (usb_complete_t
)brcmf_usb_ctlwrite_complete
,
278 ret
= usb_submit_urb(devinfo
->ctl_urb
, GFP_ATOMIC
);
280 brcmf_err("usb_submit_urb failed %d\n", ret
);
286 brcmf_usb_recv_ctl(struct brcmf_usbdev_info
*devinfo
, u8
*buf
, int len
)
291 brcmf_dbg(USB
, "Enter\n");
292 if ((devinfo
== NULL
) || (buf
== NULL
) || (len
== 0)
293 || (devinfo
->ctl_urb
== NULL
))
297 devinfo
->ctl_read
.wLength
= cpu_to_le16p(&size
);
298 devinfo
->ctl_urb
->transfer_buffer_length
= size
;
300 devinfo
->ctl_read
.bRequestType
= USB_DIR_IN
301 | USB_TYPE_CLASS
| USB_RECIP_INTERFACE
;
302 devinfo
->ctl_read
.bRequest
= 1;
304 usb_fill_control_urb(devinfo
->ctl_urb
,
306 devinfo
->ctl_in_pipe
,
307 (unsigned char *) &devinfo
->ctl_read
,
309 (usb_complete_t
)brcmf_usb_ctlread_complete
,
312 ret
= usb_submit_urb(devinfo
->ctl_urb
, GFP_ATOMIC
);
314 brcmf_err("usb_submit_urb failed %d\n", ret
);
319 static int brcmf_usb_tx_ctlpkt(struct device
*dev
, u8
*buf
, u32 len
)
323 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(dev
);
325 brcmf_dbg(USB
, "Enter\n");
326 if (devinfo
->bus_pub
.state
!= BRCMFMAC_USB_STATE_UP
)
329 if (test_and_set_bit(0, &devinfo
->ctl_op
))
332 devinfo
->ctl_completed
= false;
333 err
= brcmf_usb_send_ctl(devinfo
, buf
, len
);
335 brcmf_err("fail %d bytes: %d\n", err
, len
);
336 clear_bit(0, &devinfo
->ctl_op
);
339 timeout
= brcmf_usb_ioctl_resp_wait(devinfo
);
340 clear_bit(0, &devinfo
->ctl_op
);
342 brcmf_err("Txctl wait timed out\n");
348 static int brcmf_usb_rx_ctlpkt(struct device
*dev
, u8
*buf
, u32 len
)
352 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(dev
);
354 brcmf_dbg(USB
, "Enter\n");
355 if (devinfo
->bus_pub
.state
!= BRCMFMAC_USB_STATE_UP
)
358 if (test_and_set_bit(0, &devinfo
->ctl_op
))
361 devinfo
->ctl_completed
= false;
362 err
= brcmf_usb_recv_ctl(devinfo
, buf
, len
);
364 brcmf_err("fail %d bytes: %d\n", err
, len
);
365 clear_bit(0, &devinfo
->ctl_op
);
368 timeout
= brcmf_usb_ioctl_resp_wait(devinfo
);
369 err
= devinfo
->ctl_urb_status
;
370 clear_bit(0, &devinfo
->ctl_op
);
372 brcmf_err("rxctl wait timed out\n");
376 return devinfo
->ctl_urb_actual_length
;
381 static struct brcmf_usbreq
*brcmf_usb_deq(struct brcmf_usbdev_info
*devinfo
,
382 struct list_head
*q
, int *counter
)
385 struct brcmf_usbreq
*req
;
386 spin_lock_irqsave(&devinfo
->qlock
, flags
);
388 spin_unlock_irqrestore(&devinfo
->qlock
, flags
);
391 req
= list_entry(q
->next
, struct brcmf_usbreq
, list
);
392 list_del_init(q
->next
);
395 spin_unlock_irqrestore(&devinfo
->qlock
, flags
);
400 static void brcmf_usb_enq(struct brcmf_usbdev_info
*devinfo
,
401 struct list_head
*q
, struct brcmf_usbreq
*req
,
405 spin_lock_irqsave(&devinfo
->qlock
, flags
);
406 list_add_tail(&req
->list
, q
);
409 spin_unlock_irqrestore(&devinfo
->qlock
, flags
);
412 static struct brcmf_usbreq
*
413 brcmf_usbdev_qinit(struct list_head
*q
, int qsize
)
416 struct brcmf_usbreq
*req
, *reqs
;
418 reqs
= kcalloc(qsize
, sizeof(struct brcmf_usbreq
), GFP_ATOMIC
);
424 for (i
= 0; i
< qsize
; i
++) {
425 req
->urb
= usb_alloc_urb(0, GFP_ATOMIC
);
429 INIT_LIST_HEAD(&req
->list
);
430 list_add_tail(&req
->list
, q
);
435 brcmf_err("fail!\n");
436 while (!list_empty(q
)) {
437 req
= list_entry(q
->next
, struct brcmf_usbreq
, list
);
439 usb_free_urb(req
->urb
);
446 static void brcmf_usb_free_q(struct list_head
*q
, bool pending
)
448 struct brcmf_usbreq
*req
, *next
;
450 list_for_each_entry_safe(req
, next
, q
, list
) {
452 brcmf_err("bad req\n");
457 usb_kill_urb(req
->urb
);
459 usb_free_urb(req
->urb
);
460 list_del_init(&req
->list
);
465 static void brcmf_usb_del_fromq(struct brcmf_usbdev_info
*devinfo
,
466 struct brcmf_usbreq
*req
)
470 spin_lock_irqsave(&devinfo
->qlock
, flags
);
471 list_del_init(&req
->list
);
472 spin_unlock_irqrestore(&devinfo
->qlock
, flags
);
476 static void brcmf_usb_tx_complete(struct urb
*urb
)
478 struct brcmf_usbreq
*req
= (struct brcmf_usbreq
*)urb
->context
;
479 struct brcmf_usbdev_info
*devinfo
= req
->devinfo
;
482 brcmf_dbg(USB
, "Enter, urb->status=%d, skb=%p\n", urb
->status
,
484 brcmf_usb_del_fromq(devinfo
, req
);
486 brcmf_proto_bcdc_txcomplete(devinfo
->dev
, req
->skb
, urb
->status
== 0);
488 brcmf_usb_enq(devinfo
, &devinfo
->tx_freeq
, req
, &devinfo
->tx_freecount
);
489 spin_lock_irqsave(&devinfo
->tx_flowblock_lock
, flags
);
490 if (devinfo
->tx_freecount
> devinfo
->tx_high_watermark
&&
491 devinfo
->tx_flowblock
) {
492 brcmf_proto_bcdc_txflowblock(devinfo
->dev
, false);
493 devinfo
->tx_flowblock
= false;
495 spin_unlock_irqrestore(&devinfo
->tx_flowblock_lock
, flags
);
498 static void brcmf_usb_rx_complete(struct urb
*urb
)
500 struct brcmf_usbreq
*req
= (struct brcmf_usbreq
*)urb
->context
;
501 struct brcmf_usbdev_info
*devinfo
= req
->devinfo
;
504 brcmf_dbg(USB
, "Enter, urb->status=%d\n", urb
->status
);
505 brcmf_usb_del_fromq(devinfo
, req
);
509 /* zero lenght packets indicate usb "failure". Do not refill */
510 if (urb
->status
!= 0 || !urb
->actual_length
) {
511 brcmu_pkt_buf_free_skb(skb
);
512 brcmf_usb_enq(devinfo
, &devinfo
->rx_freeq
, req
, NULL
);
516 if (devinfo
->bus_pub
.state
== BRCMFMAC_USB_STATE_UP
) {
517 skb_put(skb
, urb
->actual_length
);
518 brcmf_rx_frame(devinfo
->dev
, skb
, true);
519 brcmf_usb_rx_refill(devinfo
, req
);
521 brcmu_pkt_buf_free_skb(skb
);
522 brcmf_usb_enq(devinfo
, &devinfo
->rx_freeq
, req
, NULL
);
528 static void brcmf_usb_rx_refill(struct brcmf_usbdev_info
*devinfo
,
529 struct brcmf_usbreq
*req
)
534 if (!req
|| !devinfo
)
537 skb
= dev_alloc_skb(devinfo
->bus_pub
.bus_mtu
);
539 brcmf_usb_enq(devinfo
, &devinfo
->rx_freeq
, req
, NULL
);
544 usb_fill_bulk_urb(req
->urb
, devinfo
->usbdev
, devinfo
->rx_pipe
,
545 skb
->data
, skb_tailroom(skb
), brcmf_usb_rx_complete
,
547 req
->devinfo
= devinfo
;
548 brcmf_usb_enq(devinfo
, &devinfo
->rx_postq
, req
, NULL
);
550 ret
= usb_submit_urb(req
->urb
, GFP_ATOMIC
);
552 brcmf_usb_del_fromq(devinfo
, req
);
553 brcmu_pkt_buf_free_skb(req
->skb
);
555 brcmf_usb_enq(devinfo
, &devinfo
->rx_freeq
, req
, NULL
);
560 static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info
*devinfo
)
562 struct brcmf_usbreq
*req
;
564 if (devinfo
->bus_pub
.state
!= BRCMFMAC_USB_STATE_UP
) {
565 brcmf_err("bus is not up=%d\n", devinfo
->bus_pub
.state
);
568 while ((req
= brcmf_usb_deq(devinfo
, &devinfo
->rx_freeq
, NULL
)) != NULL
)
569 brcmf_usb_rx_refill(devinfo
, req
);
573 brcmf_usb_state_change(struct brcmf_usbdev_info
*devinfo
, int state
)
575 struct brcmf_bus
*bcmf_bus
= devinfo
->bus_pub
.bus
;
578 brcmf_dbg(USB
, "Enter, current state=%d, new state=%d\n",
579 devinfo
->bus_pub
.state
, state
);
581 if (devinfo
->bus_pub
.state
== state
)
584 old_state
= devinfo
->bus_pub
.state
;
585 devinfo
->bus_pub
.state
= state
;
587 /* update state of upper layer */
588 if (state
== BRCMFMAC_USB_STATE_DOWN
) {
589 brcmf_dbg(USB
, "DBUS is down\n");
590 brcmf_bus_change_state(bcmf_bus
, BRCMF_BUS_DOWN
);
591 } else if (state
== BRCMFMAC_USB_STATE_UP
) {
592 brcmf_dbg(USB
, "DBUS is up\n");
593 brcmf_bus_change_state(bcmf_bus
, BRCMF_BUS_UP
);
595 brcmf_dbg(USB
, "DBUS current state=%d\n", state
);
599 static int brcmf_usb_tx(struct device
*dev
, struct sk_buff
*skb
)
601 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(dev
);
602 struct brcmf_usbreq
*req
;
606 brcmf_dbg(USB
, "Enter, skb=%p\n", skb
);
607 if (devinfo
->bus_pub
.state
!= BRCMFMAC_USB_STATE_UP
) {
612 req
= brcmf_usb_deq(devinfo
, &devinfo
->tx_freeq
,
613 &devinfo
->tx_freecount
);
615 brcmf_err("no req to send\n");
621 req
->devinfo
= devinfo
;
622 usb_fill_bulk_urb(req
->urb
, devinfo
->usbdev
, devinfo
->tx_pipe
,
623 skb
->data
, skb
->len
, brcmf_usb_tx_complete
, req
);
624 req
->urb
->transfer_flags
|= URB_ZERO_PACKET
;
625 brcmf_usb_enq(devinfo
, &devinfo
->tx_postq
, req
, NULL
);
626 ret
= usb_submit_urb(req
->urb
, GFP_ATOMIC
);
628 brcmf_err("brcmf_usb_tx usb_submit_urb FAILED\n");
629 brcmf_usb_del_fromq(devinfo
, req
);
631 brcmf_usb_enq(devinfo
, &devinfo
->tx_freeq
, req
,
632 &devinfo
->tx_freecount
);
636 spin_lock_irqsave(&devinfo
->tx_flowblock_lock
, flags
);
637 if (devinfo
->tx_freecount
< devinfo
->tx_low_watermark
&&
638 !devinfo
->tx_flowblock
) {
639 brcmf_proto_bcdc_txflowblock(dev
, true);
640 devinfo
->tx_flowblock
= true;
642 spin_unlock_irqrestore(&devinfo
->tx_flowblock_lock
, flags
);
650 static int brcmf_usb_up(struct device
*dev
)
652 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(dev
);
654 brcmf_dbg(USB
, "Enter\n");
655 if (devinfo
->bus_pub
.state
== BRCMFMAC_USB_STATE_UP
)
658 /* Success, indicate devinfo is fully up */
659 brcmf_usb_state_change(devinfo
, BRCMFMAC_USB_STATE_UP
);
661 if (devinfo
->ctl_urb
) {
662 devinfo
->ctl_in_pipe
= usb_rcvctrlpipe(devinfo
->usbdev
, 0);
663 devinfo
->ctl_out_pipe
= usb_sndctrlpipe(devinfo
->usbdev
, 0);
666 devinfo
->ctl_write
.bRequestType
=
667 USB_DIR_OUT
| USB_TYPE_CLASS
| USB_RECIP_INTERFACE
;
668 devinfo
->ctl_write
.bRequest
= 0;
669 devinfo
->ctl_write
.wValue
= cpu_to_le16(0);
670 devinfo
->ctl_write
.wIndex
= cpu_to_le16(devinfo
->ifnum
);
673 devinfo
->ctl_read
.bRequestType
=
674 USB_DIR_IN
| USB_TYPE_CLASS
| USB_RECIP_INTERFACE
;
675 devinfo
->ctl_read
.bRequest
= 1;
676 devinfo
->ctl_read
.wValue
= cpu_to_le16(0);
677 devinfo
->ctl_read
.wIndex
= cpu_to_le16(devinfo
->ifnum
);
679 brcmf_usb_rx_fill_all(devinfo
);
683 static void brcmf_cancel_all_urbs(struct brcmf_usbdev_info
*devinfo
)
685 if (devinfo
->ctl_urb
)
686 usb_kill_urb(devinfo
->ctl_urb
);
687 if (devinfo
->bulk_urb
)
688 usb_kill_urb(devinfo
->bulk_urb
);
689 brcmf_usb_free_q(&devinfo
->tx_postq
, true);
690 brcmf_usb_free_q(&devinfo
->rx_postq
, true);
693 static void brcmf_usb_down(struct device
*dev
)
695 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(dev
);
697 brcmf_dbg(USB
, "Enter\n");
701 if (devinfo
->bus_pub
.state
== BRCMFMAC_USB_STATE_DOWN
)
704 brcmf_usb_state_change(devinfo
, BRCMFMAC_USB_STATE_DOWN
);
706 brcmf_cancel_all_urbs(devinfo
);
710 brcmf_usb_sync_complete(struct urb
*urb
)
712 struct brcmf_usbdev_info
*devinfo
=
713 (struct brcmf_usbdev_info
*)urb
->context
;
715 devinfo
->ctl_completed
= true;
716 brcmf_usb_ioctl_resp_wake(devinfo
);
719 static int brcmf_usb_dl_cmd(struct brcmf_usbdev_info
*devinfo
, u8 cmd
,
720 void *buffer
, int buflen
)
726 if ((!devinfo
) || (devinfo
->ctl_urb
== NULL
))
729 tmpbuf
= kmalloc(buflen
, GFP_ATOMIC
);
734 devinfo
->ctl_urb
->transfer_buffer_length
= size
;
736 devinfo
->ctl_read
.wLength
= cpu_to_le16p(&size
);
737 devinfo
->ctl_read
.bRequestType
= USB_DIR_IN
| USB_TYPE_VENDOR
|
739 devinfo
->ctl_read
.bRequest
= cmd
;
741 usb_fill_control_urb(devinfo
->ctl_urb
,
743 usb_rcvctrlpipe(devinfo
->usbdev
, 0),
744 (unsigned char *) &devinfo
->ctl_read
,
745 (void *) tmpbuf
, size
,
746 (usb_complete_t
)brcmf_usb_sync_complete
, devinfo
);
748 devinfo
->ctl_completed
= false;
749 ret
= usb_submit_urb(devinfo
->ctl_urb
, GFP_ATOMIC
);
751 brcmf_err("usb_submit_urb failed %d\n", ret
);
755 if (!brcmf_usb_ioctl_resp_wait(devinfo
)) {
756 usb_kill_urb(devinfo
->ctl_urb
);
759 memcpy(buffer
, tmpbuf
, buflen
);
768 brcmf_usb_dlneeded(struct brcmf_usbdev_info
*devinfo
)
770 struct bootrom_id_le id
;
773 brcmf_dbg(USB
, "Enter\n");
778 /* Check if firmware downloaded already by querying runtime ID */
779 id
.chip
= cpu_to_le32(0xDEAD);
780 brcmf_usb_dl_cmd(devinfo
, DL_GETVER
, &id
, sizeof(id
));
782 chipid
= le32_to_cpu(id
.chip
);
783 chiprev
= le32_to_cpu(id
.chiprev
);
785 if ((chipid
& 0x4300) == 0x4300)
786 brcmf_dbg(USB
, "chip %x rev 0x%x\n", chipid
, chiprev
);
788 brcmf_dbg(USB
, "chip %d rev 0x%x\n", chipid
, chiprev
);
789 if (chipid
== BRCMF_POSTBOOT_ID
) {
790 brcmf_dbg(USB
, "firmware already downloaded\n");
791 brcmf_usb_dl_cmd(devinfo
, DL_RESETCFG
, &id
, sizeof(id
));
794 devinfo
->bus_pub
.devid
= chipid
;
795 devinfo
->bus_pub
.chiprev
= chiprev
;
801 brcmf_usb_resetcfg(struct brcmf_usbdev_info
*devinfo
)
803 struct bootrom_id_le id
;
807 brcmf_dbg(USB
, "Enter\n");
811 mdelay(BRCMF_USB_RESET_GETVER_SPINWAIT
);
813 id
.chip
= cpu_to_le32(0xDEAD); /* Get the ID */
814 err
= brcmf_usb_dl_cmd(devinfo
, DL_GETVER
, &id
, sizeof(id
));
815 if ((err
) && (err
!= -ETIMEDOUT
))
817 if (id
.chip
== cpu_to_le32(BRCMF_POSTBOOT_ID
))
819 } while (loop_cnt
< BRCMF_USB_RESET_GETVER_LOOP_CNT
);
821 if (id
.chip
== cpu_to_le32(BRCMF_POSTBOOT_ID
)) {
822 brcmf_dbg(USB
, "postboot chip 0x%x/rev 0x%x\n",
823 le32_to_cpu(id
.chip
), le32_to_cpu(id
.chiprev
));
825 brcmf_usb_dl_cmd(devinfo
, DL_RESETCFG
, &id
, sizeof(id
));
828 brcmf_err("Cannot talk to Dongle. Firmware is not UP, %d ms\n",
829 BRCMF_USB_RESET_GETVER_SPINWAIT
* loop_cnt
);
836 brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info
*devinfo
, void *buffer
, int len
)
840 if ((devinfo
== NULL
) || (devinfo
->bulk_urb
== NULL
))
843 /* Prepare the URB */
844 usb_fill_bulk_urb(devinfo
->bulk_urb
, devinfo
->usbdev
,
845 devinfo
->tx_pipe
, buffer
, len
,
846 (usb_complete_t
)brcmf_usb_sync_complete
, devinfo
);
848 devinfo
->bulk_urb
->transfer_flags
|= URB_ZERO_PACKET
;
850 devinfo
->ctl_completed
= false;
851 ret
= usb_submit_urb(devinfo
->bulk_urb
, GFP_ATOMIC
);
853 brcmf_err("usb_submit_urb failed %d\n", ret
);
856 ret
= brcmf_usb_ioctl_resp_wait(devinfo
);
861 brcmf_usb_dl_writeimage(struct brcmf_usbdev_info
*devinfo
, u8
*fw
, int fwlen
)
863 unsigned int sendlen
, sent
, dllen
;
864 char *bulkchunk
= NULL
, *dlpos
;
865 struct rdl_state_le state
;
866 u32 rdlstate
, rdlbytes
;
869 brcmf_dbg(USB
, "Enter, fw %p, len %d\n", fw
, fwlen
);
871 bulkchunk
= kmalloc(TRX_RDL_CHUNK
, GFP_ATOMIC
);
872 if (bulkchunk
== NULL
) {
877 /* 1) Prepare USB boot loader for runtime image */
878 brcmf_usb_dl_cmd(devinfo
, DL_START
, &state
, sizeof(state
));
880 rdlstate
= le32_to_cpu(state
.state
);
881 rdlbytes
= le32_to_cpu(state
.bytes
);
883 /* 2) Check we are in the Waiting state */
884 if (rdlstate
!= DL_WAITING
) {
885 brcmf_err("Failed to DL_START\n");
893 /* Get chip id and rev */
894 while (rdlbytes
!= dllen
) {
895 /* Wait until the usb device reports it received all
896 * the bytes we sent */
897 if ((rdlbytes
== sent
) && (rdlbytes
!= dllen
)) {
898 if ((dllen
-sent
) < TRX_RDL_CHUNK
)
899 sendlen
= dllen
-sent
;
901 sendlen
= TRX_RDL_CHUNK
;
903 /* simply avoid having to send a ZLP by ensuring we
911 memcpy(bulkchunk
, dlpos
, sendlen
);
912 if (brcmf_usb_dl_send_bulk(devinfo
, bulkchunk
,
914 brcmf_err("send_bulk failed\n");
922 err
= brcmf_usb_dl_cmd(devinfo
, DL_GETSTATE
, &state
,
925 brcmf_err("DL_GETSTATE Failed\n");
929 rdlstate
= le32_to_cpu(state
.state
);
930 rdlbytes
= le32_to_cpu(state
.bytes
);
932 /* restart if an error is reported */
933 if (rdlstate
== DL_BAD_HDR
|| rdlstate
== DL_BAD_CRC
) {
934 brcmf_err("Bad Hdr or Bad CRC state %d\n",
943 brcmf_dbg(USB
, "Exit, err=%d\n", err
);
947 static int brcmf_usb_dlstart(struct brcmf_usbdev_info
*devinfo
, u8
*fw
, int len
)
951 brcmf_dbg(USB
, "Enter\n");
956 if (devinfo
->bus_pub
.devid
== 0xDEAD)
959 err
= brcmf_usb_dl_writeimage(devinfo
, fw
, len
);
961 devinfo
->bus_pub
.state
= BRCMFMAC_USB_STATE_DL_DONE
;
963 devinfo
->bus_pub
.state
= BRCMFMAC_USB_STATE_DL_FAIL
;
964 brcmf_dbg(USB
, "Exit, err=%d\n", err
);
969 static int brcmf_usb_dlrun(struct brcmf_usbdev_info
*devinfo
)
971 struct rdl_state_le state
;
973 brcmf_dbg(USB
, "Enter\n");
977 if (devinfo
->bus_pub
.devid
== 0xDEAD)
980 /* Check we are runnable */
982 brcmf_usb_dl_cmd(devinfo
, DL_GETSTATE
, &state
, sizeof(state
));
984 /* Start the image */
985 if (state
.state
== cpu_to_le32(DL_RUNNABLE
)) {
986 if (brcmf_usb_dl_cmd(devinfo
, DL_GO
, &state
, sizeof(state
)))
988 if (brcmf_usb_resetcfg(devinfo
))
990 /* The Dongle may go for re-enumeration. */
992 brcmf_err("Dongle not runnable\n");
995 brcmf_dbg(USB
, "Exit\n");
1000 brcmf_usb_fw_download(struct brcmf_usbdev_info
*devinfo
)
1004 brcmf_dbg(USB
, "Enter\n");
1005 if (devinfo
== NULL
)
1008 if (!devinfo
->image
) {
1009 brcmf_err("No firmware!\n");
1013 err
= brcmf_usb_dlstart(devinfo
,
1014 (u8
*)devinfo
->image
, devinfo
->image_len
);
1016 err
= brcmf_usb_dlrun(devinfo
);
1021 static void brcmf_usb_detach(struct brcmf_usbdev_info
*devinfo
)
1023 brcmf_dbg(USB
, "Enter, devinfo %p\n", devinfo
);
1026 brcmf_usb_free_q(&devinfo
->rx_freeq
, false);
1027 brcmf_usb_free_q(&devinfo
->tx_freeq
, false);
1029 usb_free_urb(devinfo
->ctl_urb
);
1030 usb_free_urb(devinfo
->bulk_urb
);
1032 kfree(devinfo
->tx_reqs
);
1033 kfree(devinfo
->rx_reqs
);
1035 if (devinfo
->settings
)
1036 brcmf_release_module_param(devinfo
->settings
);
1040 static int check_file(const u8
*headers
)
1042 struct trx_header_le
*trx
;
1043 int actual_len
= -1;
1045 brcmf_dbg(USB
, "Enter\n");
1046 /* Extract trx header */
1047 trx
= (struct trx_header_le
*) headers
;
1048 if (trx
->magic
!= cpu_to_le32(TRX_MAGIC
))
1051 headers
+= sizeof(struct trx_header_le
);
1053 if (le32_to_cpu(trx
->flag_version
) & TRX_UNCOMP_IMAGE
) {
1054 actual_len
= le32_to_cpu(trx
->offsets
[TRX_OFFSETS_DLFWLEN_IDX
]);
1055 return actual_len
+ sizeof(struct trx_header_le
);
1062 struct brcmf_usbdev
*brcmf_usb_attach(struct brcmf_usbdev_info
*devinfo
,
1065 brcmf_dbg(USB
, "Enter\n");
1067 devinfo
->bus_pub
.nrxq
= nrxq
;
1068 devinfo
->rx_low_watermark
= nrxq
/ 2;
1069 devinfo
->bus_pub
.devinfo
= devinfo
;
1070 devinfo
->bus_pub
.ntxq
= ntxq
;
1071 devinfo
->bus_pub
.state
= BRCMFMAC_USB_STATE_DOWN
;
1073 /* flow control when too many tx urbs posted */
1074 devinfo
->tx_low_watermark
= ntxq
/ 4;
1075 devinfo
->tx_high_watermark
= devinfo
->tx_low_watermark
* 3;
1076 devinfo
->bus_pub
.bus_mtu
= BRCMF_USB_MAX_PKT_SIZE
;
1078 /* Initialize other structure content */
1079 init_waitqueue_head(&devinfo
->ioctl_resp_wait
);
1081 /* Initialize the spinlocks */
1082 spin_lock_init(&devinfo
->qlock
);
1083 spin_lock_init(&devinfo
->tx_flowblock_lock
);
1085 INIT_LIST_HEAD(&devinfo
->rx_freeq
);
1086 INIT_LIST_HEAD(&devinfo
->rx_postq
);
1088 INIT_LIST_HEAD(&devinfo
->tx_freeq
);
1089 INIT_LIST_HEAD(&devinfo
->tx_postq
);
1091 devinfo
->tx_flowblock
= false;
1093 devinfo
->rx_reqs
= brcmf_usbdev_qinit(&devinfo
->rx_freeq
, nrxq
);
1094 if (!devinfo
->rx_reqs
)
1097 devinfo
->tx_reqs
= brcmf_usbdev_qinit(&devinfo
->tx_freeq
, ntxq
);
1098 if (!devinfo
->tx_reqs
)
1100 devinfo
->tx_freecount
= ntxq
;
1102 devinfo
->ctl_urb
= usb_alloc_urb(0, GFP_ATOMIC
);
1103 if (!devinfo
->ctl_urb
)
1105 devinfo
->bulk_urb
= usb_alloc_urb(0, GFP_ATOMIC
);
1106 if (!devinfo
->bulk_urb
)
1109 return &devinfo
->bus_pub
;
1112 brcmf_err("failed!\n");
1113 brcmf_usb_detach(devinfo
);
1117 static void brcmf_usb_wowl_config(struct device
*dev
, bool enabled
)
1119 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(dev
);
1121 brcmf_dbg(USB
, "Configuring WOWL, enabled=%d\n", enabled
);
1122 devinfo
->wowl_enabled
= enabled
;
1124 device_set_wakeup_enable(devinfo
->dev
, true);
1126 device_set_wakeup_enable(devinfo
->dev
, false);
1129 static const struct brcmf_bus_ops brcmf_usb_bus_ops
= {
1130 .txdata
= brcmf_usb_tx
,
1131 .stop
= brcmf_usb_down
,
1132 .txctl
= brcmf_usb_tx_ctlpkt
,
1133 .rxctl
= brcmf_usb_rx_ctlpkt
,
1134 .wowl_config
= brcmf_usb_wowl_config
,
1137 static int brcmf_usb_bus_setup(struct brcmf_usbdev_info
*devinfo
)
1141 /* Attach to the common driver interface */
1142 ret
= brcmf_attach(devinfo
->dev
, devinfo
->settings
);
1144 brcmf_err("brcmf_attach failed\n");
1148 ret
= brcmf_usb_up(devinfo
->dev
);
1152 ret
= brcmf_bus_started(devinfo
->dev
);
1158 brcmf_detach(devinfo
->dev
);
1162 static void brcmf_usb_probe_phase2(struct device
*dev
,
1163 const struct firmware
*fw
,
1164 void *nvram
, u32 nvlen
)
1166 struct brcmf_bus
*bus
= dev_get_drvdata(dev
);
1167 struct brcmf_usbdev_info
*devinfo
;
1170 brcmf_dbg(USB
, "Start fw downloading\n");
1172 devinfo
= bus
->bus_priv
.usb
->devinfo
;
1173 ret
= check_file(fw
->data
);
1175 brcmf_err("invalid firmware\n");
1176 release_firmware(fw
);
1180 devinfo
->image
= fw
->data
;
1181 devinfo
->image_len
= fw
->size
;
1183 ret
= brcmf_usb_fw_download(devinfo
);
1184 release_firmware(fw
);
1188 ret
= brcmf_usb_bus_setup(devinfo
);
1192 mutex_unlock(&devinfo
->dev_init_lock
);
1195 brcmf_dbg(TRACE
, "failed: dev=%s, err=%d\n", dev_name(dev
), ret
);
1196 mutex_unlock(&devinfo
->dev_init_lock
);
1197 device_release_driver(dev
);
1200 static int brcmf_usb_probe_cb(struct brcmf_usbdev_info
*devinfo
)
1202 struct brcmf_bus
*bus
= NULL
;
1203 struct brcmf_usbdev
*bus_pub
= NULL
;
1204 struct device
*dev
= devinfo
->dev
;
1207 brcmf_dbg(USB
, "Enter\n");
1208 bus_pub
= brcmf_usb_attach(devinfo
, BRCMF_USB_NRXQ
, BRCMF_USB_NTXQ
);
1212 bus
= kzalloc(sizeof(struct brcmf_bus
), GFP_ATOMIC
);
1220 bus
->bus_priv
.usb
= bus_pub
;
1221 dev_set_drvdata(dev
, bus
);
1222 bus
->ops
= &brcmf_usb_bus_ops
;
1223 bus
->proto_type
= BRCMF_PROTO_BCDC
;
1224 bus
->always_use_fws_queue
= true;
1226 bus
->wowl_supported
= true;
1229 devinfo
->settings
= brcmf_get_module_param(bus
->dev
, BRCMF_BUSTYPE_USB
,
1232 if (!devinfo
->settings
) {
1237 if (!brcmf_usb_dlneeded(devinfo
)) {
1238 ret
= brcmf_usb_bus_setup(devinfo
);
1242 mutex_unlock(&devinfo
->dev_init_lock
);
1245 bus
->chip
= bus_pub
->devid
;
1246 bus
->chiprev
= bus_pub
->chiprev
;
1248 ret
= brcmf_fw_map_chip_to_name(bus_pub
->devid
, bus_pub
->chiprev
,
1250 ARRAY_SIZE(brcmf_usb_fwnames
),
1251 devinfo
->fw_name
, NULL
);
1255 /* request firmware here */
1256 ret
= brcmf_fw_get_firmwares(dev
, 0, devinfo
->fw_name
, NULL
,
1257 brcmf_usb_probe_phase2
);
1259 brcmf_err("firmware request failed: %d\n", ret
);
1266 /* Release resources in reverse order */
1268 brcmf_usb_detach(devinfo
);
1273 brcmf_usb_disconnect_cb(struct brcmf_usbdev_info
*devinfo
)
1277 brcmf_dbg(USB
, "Enter, bus_pub %p\n", devinfo
);
1279 brcmf_detach(devinfo
->dev
);
1280 kfree(devinfo
->bus_pub
.bus
);
1281 brcmf_usb_detach(devinfo
);
1285 brcmf_usb_probe(struct usb_interface
*intf
, const struct usb_device_id
*id
)
1287 struct usb_device
*usb
= interface_to_usbdev(intf
);
1288 struct brcmf_usbdev_info
*devinfo
;
1289 struct usb_interface_descriptor
*desc
;
1290 struct usb_endpoint_descriptor
*endpoint
;
1293 u8 endpoint_num
, ep
;
1295 brcmf_dbg(USB
, "Enter 0x%04x:0x%04x\n", id
->idVendor
, id
->idProduct
);
1297 devinfo
= kzalloc(sizeof(*devinfo
), GFP_ATOMIC
);
1298 if (devinfo
== NULL
)
1301 devinfo
->usbdev
= usb
;
1302 devinfo
->dev
= &usb
->dev
;
1303 /* Take an init lock, to protect for disconnect while still loading.
1304 * Necessary because of the asynchronous firmware load construction
1306 mutex_init(&devinfo
->dev_init_lock
);
1307 mutex_lock(&devinfo
->dev_init_lock
);
1309 usb_set_intfdata(intf
, devinfo
);
1311 /* Check that the device supports only one configuration */
1312 if (usb
->descriptor
.bNumConfigurations
!= 1) {
1313 brcmf_err("Number of configurations: %d not supported\n",
1314 usb
->descriptor
.bNumConfigurations
);
1319 if ((usb
->descriptor
.bDeviceClass
!= USB_CLASS_VENDOR_SPEC
) &&
1320 (usb
->descriptor
.bDeviceClass
!= USB_CLASS_MISC
) &&
1321 (usb
->descriptor
.bDeviceClass
!= USB_CLASS_WIRELESS_CONTROLLER
)) {
1322 brcmf_err("Device class: 0x%x not supported\n",
1323 usb
->descriptor
.bDeviceClass
);
1328 desc
= &intf
->altsetting
[0].desc
;
1329 if ((desc
->bInterfaceClass
!= USB_CLASS_VENDOR_SPEC
) ||
1330 (desc
->bInterfaceSubClass
!= 2) ||
1331 (desc
->bInterfaceProtocol
!= 0xff)) {
1332 brcmf_err("non WLAN interface %d: 0x%x:0x%x:0x%x\n",
1333 desc
->bInterfaceNumber
, desc
->bInterfaceClass
,
1334 desc
->bInterfaceSubClass
, desc
->bInterfaceProtocol
);
1339 num_of_eps
= desc
->bNumEndpoints
;
1340 for (ep
= 0; ep
< num_of_eps
; ep
++) {
1341 endpoint
= &intf
->altsetting
[0].endpoint
[ep
].desc
;
1342 endpoint_num
= usb_endpoint_num(endpoint
);
1343 if (!usb_endpoint_xfer_bulk(endpoint
))
1345 if (usb_endpoint_dir_in(endpoint
)) {
1346 if (!devinfo
->rx_pipe
)
1348 usb_rcvbulkpipe(usb
, endpoint_num
);
1350 if (!devinfo
->tx_pipe
)
1352 usb_sndbulkpipe(usb
, endpoint_num
);
1355 if (devinfo
->rx_pipe
== 0) {
1356 brcmf_err("No RX (in) Bulk EP found\n");
1360 if (devinfo
->tx_pipe
== 0) {
1361 brcmf_err("No TX (out) Bulk EP found\n");
1366 devinfo
->ifnum
= desc
->bInterfaceNumber
;
1368 if (usb
->speed
== USB_SPEED_SUPER_PLUS
)
1369 brcmf_dbg(USB
, "Broadcom super speed plus USB WLAN interface detected\n");
1370 else if (usb
->speed
== USB_SPEED_SUPER
)
1371 brcmf_dbg(USB
, "Broadcom super speed USB WLAN interface detected\n");
1372 else if (usb
->speed
== USB_SPEED_HIGH
)
1373 brcmf_dbg(USB
, "Broadcom high speed USB WLAN interface detected\n");
1375 brcmf_dbg(USB
, "Broadcom full speed USB WLAN interface detected\n");
1377 ret
= brcmf_usb_probe_cb(devinfo
);
1385 mutex_unlock(&devinfo
->dev_init_lock
);
1387 usb_set_intfdata(intf
, NULL
);
1392 brcmf_usb_disconnect(struct usb_interface
*intf
)
1394 struct brcmf_usbdev_info
*devinfo
;
1396 brcmf_dbg(USB
, "Enter\n");
1397 devinfo
= (struct brcmf_usbdev_info
*)usb_get_intfdata(intf
);
1400 mutex_lock(&devinfo
->dev_init_lock
);
1401 /* Make sure that devinfo still exists. Firmware probe routines
1402 * may have released the device and cleared the intfdata.
1404 if (!usb_get_intfdata(intf
))
1407 brcmf_usb_disconnect_cb(devinfo
);
1411 brcmf_dbg(USB
, "Exit\n");
1415 * only need to signal the bus being down and update the state.
1417 static int brcmf_usb_suspend(struct usb_interface
*intf
, pm_message_t state
)
1419 struct usb_device
*usb
= interface_to_usbdev(intf
);
1420 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(&usb
->dev
);
1422 brcmf_dbg(USB
, "Enter\n");
1423 devinfo
->bus_pub
.state
= BRCMFMAC_USB_STATE_SLEEP
;
1424 if (devinfo
->wowl_enabled
)
1425 brcmf_cancel_all_urbs(devinfo
);
1427 brcmf_detach(&usb
->dev
);
1432 * (re-) start the bus.
1434 static int brcmf_usb_resume(struct usb_interface
*intf
)
1436 struct usb_device
*usb
= interface_to_usbdev(intf
);
1437 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(&usb
->dev
);
1439 brcmf_dbg(USB
, "Enter\n");
1440 if (!devinfo
->wowl_enabled
)
1441 return brcmf_usb_bus_setup(devinfo
);
1443 devinfo
->bus_pub
.state
= BRCMFMAC_USB_STATE_UP
;
1444 brcmf_usb_rx_fill_all(devinfo
);
1448 static int brcmf_usb_reset_resume(struct usb_interface
*intf
)
1450 struct usb_device
*usb
= interface_to_usbdev(intf
);
1451 struct brcmf_usbdev_info
*devinfo
= brcmf_usb_get_businfo(&usb
->dev
);
1453 brcmf_dbg(USB
, "Enter\n");
1455 return brcmf_fw_get_firmwares(&usb
->dev
, 0, devinfo
->fw_name
, NULL
,
1456 brcmf_usb_probe_phase2
);
1459 #define BRCMF_USB_DEVICE(dev_id) \
1460 { USB_DEVICE(BRCM_USB_VENDOR_ID_BROADCOM, dev_id) }
1462 #define LINKSYS_USB_DEVICE(dev_id) \
1463 { USB_DEVICE(BRCM_USB_VENDOR_ID_LINKSYS, 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 LINKSYS_USB_DEVICE(BRCM_USB_43235_LINKSYS_DEVICE_ID
),
1471 { USB_DEVICE(BRCM_USB_VENDOR_ID_LG
, BRCM_USB_43242_LG_DEVICE_ID
) },
1472 /* special entry for device with firmware loaded and running */
1473 BRCMF_USB_DEVICE(BRCM_USB_BCMFW_DEVICE_ID
),
1474 { /* end: all zeroes */ }
1477 MODULE_DEVICE_TABLE(usb
, brcmf_usb_devid_table
);
1479 static struct usb_driver brcmf_usbdrvr
= {
1480 .name
= KBUILD_MODNAME
,
1481 .probe
= brcmf_usb_probe
,
1482 .disconnect
= brcmf_usb_disconnect
,
1483 .id_table
= brcmf_usb_devid_table
,
1484 .suspend
= brcmf_usb_suspend
,
1485 .resume
= brcmf_usb_resume
,
1486 .reset_resume
= brcmf_usb_reset_resume
,
1487 .disable_hub_initiated_lpm
= 1,
1490 static int brcmf_usb_reset_device(struct device
*dev
, void *notused
)
1492 /* device past is the usb interface so we
1493 * need to use parent here.
1495 brcmf_dev_reset(dev
->parent
);
1499 void brcmf_usb_exit(void)
1501 struct device_driver
*drv
= &brcmf_usbdrvr
.drvwrap
.driver
;
1504 brcmf_dbg(USB
, "Enter\n");
1505 ret
= driver_for_each_device(drv
, NULL
, NULL
,
1506 brcmf_usb_reset_device
);
1507 usb_deregister(&brcmf_usbdrvr
);
1510 void brcmf_usb_register(void)
1512 brcmf_dbg(USB
, "Enter\n");
1513 usb_register(&brcmf_usbdrvr
);