From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- drivers/net/wireless/brcm80211/brcmfmac/usb.c | 1532 ------------------------- 1 file changed, 1532 deletions(-) delete mode 100644 drivers/net/wireless/brcm80211/brcmfmac/usb.c (limited to 'drivers/net/wireless/brcm80211/brcmfmac/usb.c') diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c deleted file mode 100644 index d85c138bc..000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c +++ /dev/null @@ -1,1532 +0,0 @@ -/* - * Copyright (c) 2011 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include -#include -#include -#include -#include - -#include -#include -#include -#include "bus.h" -#include "debug.h" -#include "firmware.h" -#include "usb.h" - - -#define IOCTL_RESP_TIMEOUT 2000 - -#define BRCMF_USB_RESET_GETVER_SPINWAIT 100 /* in unit of ms */ -#define BRCMF_USB_RESET_GETVER_LOOP_CNT 10 - -#define BRCMF_POSTBOOT_ID 0xA123 /* ID to detect if dongle - has boot up */ -#define BRCMF_USB_NRXQ 50 -#define BRCMF_USB_NTXQ 50 - -#define BRCMF_USB_CBCTL_WRITE 0 -#define BRCMF_USB_CBCTL_READ 1 -#define BRCMF_USB_MAX_PKT_SIZE 1600 - -#define BRCMF_USB_43143_FW_NAME "/*(DEBLOBBED)*/" -#define BRCMF_USB_43236_FW_NAME "/*(DEBLOBBED)*/" -#define BRCMF_USB_43242_FW_NAME "/*(DEBLOBBED)*/" -#define BRCMF_USB_43569_FW_NAME "/*(DEBLOBBED)*/" - -#define TRX_MAGIC 0x30524448 /* "HDR0" */ -#define TRX_MAX_OFFSET 3 /* Max number of file offsets */ -#define TRX_UNCOMP_IMAGE 0x20 /* Trx holds uncompressed img */ -#define TRX_RDL_CHUNK 1500 /* size of each dl transfer */ -#define TRX_OFFSETS_DLFWLEN_IDX 0 - -/* Control messages: bRequest values */ -#define DL_GETSTATE 0 /* returns the rdl_state_t struct */ -#define DL_CHECK_CRC 1 /* currently unused */ -#define DL_GO 2 /* execute downloaded image */ -#define DL_START 3 /* initialize dl state */ -#define DL_REBOOT 4 /* reboot the device in 2 seconds */ -#define DL_GETVER 5 /* returns the bootrom_id_t struct */ -#define DL_GO_PROTECTED 6 /* execute the downloaded code and set reset - * event to occur in 2 seconds. It is the - * responsibility of the downloaded code to - * clear this event - */ -#define DL_EXEC 7 /* jump to a supplied address */ -#define DL_RESETCFG 8 /* To support single enum on dongle - * - Not used by bootloader - */ -#define DL_DEFER_RESP_OK 9 /* Potentially defer the response to setup - * if resp unavailable - */ - -/* states */ -#define DL_WAITING 0 /* waiting to rx first pkt */ -#define DL_READY 1 /* hdr was good, waiting for more of the - * compressed image - */ -#define DL_BAD_HDR 2 /* hdr was corrupted */ -#define DL_BAD_CRC 3 /* compressed image was corrupted */ -#define DL_RUNNABLE 4 /* download was successful,waiting for go cmd */ -#define DL_START_FAIL 5 /* failed to initialize correctly */ -#define DL_NVRAM_TOOBIG 6 /* host specified nvram data exceeds DL_NVRAM - * value - */ -#define DL_IMAGE_TOOBIG 7 /* firmware image too big */ - - -struct trx_header_le { - __le32 magic; /* "HDR0" */ - __le32 len; /* Length of file including header */ - __le32 crc32; /* CRC from flag_version to end of file */ - __le32 flag_version; /* 0:15 flags, 16:31 version */ - __le32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of - * header - */ -}; - -struct rdl_state_le { - __le32 state; - __le32 bytes; -}; - -struct bootrom_id_le { - __le32 chip; /* Chip id */ - __le32 chiprev; /* Chip rev */ - __le32 ramsize; /* Size of RAM */ - __le32 remapbase; /* Current remap base address */ - __le32 boardtype; /* Type of board */ - __le32 boardrev; /* Board revision */ -}; - -struct brcmf_usb_image { - struct list_head list; - s8 *fwname; - u8 *image; - int image_len; -}; - -struct brcmf_usbdev_info { - struct brcmf_usbdev bus_pub; /* MUST BE FIRST */ - spinlock_t qlock; - struct list_head rx_freeq; - struct list_head rx_postq; - struct list_head tx_freeq; - struct list_head tx_postq; - uint rx_pipe, tx_pipe; - - int rx_low_watermark; - int tx_low_watermark; - int tx_high_watermark; - int tx_freecount; - bool tx_flowblock; - spinlock_t tx_flowblock_lock; - - struct brcmf_usbreq *tx_reqs; - struct brcmf_usbreq *rx_reqs; - - const u8 *image; /* buffer for combine fw and nvram */ - int image_len; - - struct usb_device *usbdev; - struct device *dev; - struct mutex dev_init_lock; - - int ctl_in_pipe, ctl_out_pipe; - struct urb *ctl_urb; /* URB for control endpoint */ - struct usb_ctrlrequest ctl_write; - struct usb_ctrlrequest ctl_read; - u32 ctl_urb_actual_length; - int ctl_urb_status; - int ctl_completed; - wait_queue_head_t ioctl_resp_wait; - ulong ctl_op; - u8 ifnum; - - struct urb *bulk_urb; /* used for FW download */ - - bool wowl_enabled; -}; - -static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, - struct brcmf_usbreq *req); - -static struct brcmf_usbdev *brcmf_usb_get_buspub(struct device *dev) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - return bus_if->bus_priv.usb; -} - -static struct brcmf_usbdev_info *brcmf_usb_get_businfo(struct device *dev) -{ - return brcmf_usb_get_buspub(dev)->devinfo; -} - -static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info *devinfo) -{ - return wait_event_timeout(devinfo->ioctl_resp_wait, - devinfo->ctl_completed, - msecs_to_jiffies(IOCTL_RESP_TIMEOUT)); -} - -static void brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo) -{ - if (waitqueue_active(&devinfo->ioctl_resp_wait)) - wake_up(&devinfo->ioctl_resp_wait); -} - -static void -brcmf_usb_ctl_complete(struct brcmf_usbdev_info *devinfo, int type, int status) -{ - brcmf_dbg(USB, "Enter, status=%d\n", status); - - if (unlikely(devinfo == NULL)) - return; - - if (type == BRCMF_USB_CBCTL_READ) { - if (status == 0) - devinfo->bus_pub.stats.rx_ctlpkts++; - else - devinfo->bus_pub.stats.rx_ctlerrs++; - } else if (type == BRCMF_USB_CBCTL_WRITE) { - if (status == 0) - devinfo->bus_pub.stats.tx_ctlpkts++; - else - devinfo->bus_pub.stats.tx_ctlerrs++; - } - - devinfo->ctl_urb_status = status; - devinfo->ctl_completed = true; - brcmf_usb_ioctl_resp_wake(devinfo); -} - -static void -brcmf_usb_ctlread_complete(struct urb *urb) -{ - struct brcmf_usbdev_info *devinfo = - (struct brcmf_usbdev_info *)urb->context; - - brcmf_dbg(USB, "Enter\n"); - devinfo->ctl_urb_actual_length = urb->actual_length; - brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_READ, - urb->status); -} - -static void -brcmf_usb_ctlwrite_complete(struct urb *urb) -{ - struct brcmf_usbdev_info *devinfo = - (struct brcmf_usbdev_info *)urb->context; - - brcmf_dbg(USB, "Enter\n"); - brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_WRITE, - urb->status); -} - -static int -brcmf_usb_send_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) -{ - int ret; - u16 size; - - brcmf_dbg(USB, "Enter\n"); - if (devinfo == NULL || buf == NULL || - len == 0 || devinfo->ctl_urb == NULL) - return -EINVAL; - - size = len; - devinfo->ctl_write.wLength = cpu_to_le16p(&size); - devinfo->ctl_urb->transfer_buffer_length = size; - devinfo->ctl_urb_status = 0; - devinfo->ctl_urb_actual_length = 0; - - usb_fill_control_urb(devinfo->ctl_urb, - devinfo->usbdev, - devinfo->ctl_out_pipe, - (unsigned char *) &devinfo->ctl_write, - buf, size, - (usb_complete_t)brcmf_usb_ctlwrite_complete, - devinfo); - - ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); - if (ret < 0) - brcmf_err("usb_submit_urb failed %d\n", ret); - - return ret; -} - -static int -brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) -{ - int ret; - u16 size; - - brcmf_dbg(USB, "Enter\n"); - if ((devinfo == NULL) || (buf == NULL) || (len == 0) - || (devinfo->ctl_urb == NULL)) - return -EINVAL; - - size = len; - devinfo->ctl_read.wLength = cpu_to_le16p(&size); - devinfo->ctl_urb->transfer_buffer_length = size; - - devinfo->ctl_read.bRequestType = USB_DIR_IN - | USB_TYPE_CLASS | USB_RECIP_INTERFACE; - devinfo->ctl_read.bRequest = 1; - - usb_fill_control_urb(devinfo->ctl_urb, - devinfo->usbdev, - devinfo->ctl_in_pipe, - (unsigned char *) &devinfo->ctl_read, - buf, size, - (usb_complete_t)brcmf_usb_ctlread_complete, - devinfo); - - ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); - if (ret < 0) - brcmf_err("usb_submit_urb failed %d\n", ret); - - return ret; -} - -static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len) -{ - int err = 0; - int timeout = 0; - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); - - brcmf_dbg(USB, "Enter\n"); - if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) - return -EIO; - - if (test_and_set_bit(0, &devinfo->ctl_op)) - return -EIO; - - devinfo->ctl_completed = false; - err = brcmf_usb_send_ctl(devinfo, buf, len); - if (err) { - brcmf_err("fail %d bytes: %d\n", err, len); - clear_bit(0, &devinfo->ctl_op); - return err; - } - timeout = brcmf_usb_ioctl_resp_wait(devinfo); - clear_bit(0, &devinfo->ctl_op); - if (!timeout) { - brcmf_err("Txctl wait timed out\n"); - err = -EIO; - } - return err; -} - -static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len) -{ - int err = 0; - int timeout = 0; - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); - - brcmf_dbg(USB, "Enter\n"); - if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) - return -EIO; - - if (test_and_set_bit(0, &devinfo->ctl_op)) - return -EIO; - - devinfo->ctl_completed = false; - err = brcmf_usb_recv_ctl(devinfo, buf, len); - if (err) { - brcmf_err("fail %d bytes: %d\n", err, len); - clear_bit(0, &devinfo->ctl_op); - return err; - } - timeout = brcmf_usb_ioctl_resp_wait(devinfo); - err = devinfo->ctl_urb_status; - clear_bit(0, &devinfo->ctl_op); - if (!timeout) { - brcmf_err("rxctl wait timed out\n"); - err = -EIO; - } - if (!err) - return devinfo->ctl_urb_actual_length; - else - return err; -} - -static struct brcmf_usbreq *brcmf_usb_deq(struct brcmf_usbdev_info *devinfo, - struct list_head *q, int *counter) -{ - unsigned long flags; - struct brcmf_usbreq *req; - spin_lock_irqsave(&devinfo->qlock, flags); - if (list_empty(q)) { - spin_unlock_irqrestore(&devinfo->qlock, flags); - return NULL; - } - req = list_entry(q->next, struct brcmf_usbreq, list); - list_del_init(q->next); - if (counter) - (*counter)--; - spin_unlock_irqrestore(&devinfo->qlock, flags); - return req; - -} - -static void brcmf_usb_enq(struct brcmf_usbdev_info *devinfo, - struct list_head *q, struct brcmf_usbreq *req, - int *counter) -{ - unsigned long flags; - spin_lock_irqsave(&devinfo->qlock, flags); - list_add_tail(&req->list, q); - if (counter) - (*counter)++; - spin_unlock_irqrestore(&devinfo->qlock, flags); -} - -static struct brcmf_usbreq * -brcmf_usbdev_qinit(struct list_head *q, int qsize) -{ - int i; - struct brcmf_usbreq *req, *reqs; - - reqs = kcalloc(qsize, sizeof(struct brcmf_usbreq), GFP_ATOMIC); - if (reqs == NULL) - return NULL; - - req = reqs; - - for (i = 0; i < qsize; i++) { - req->urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!req->urb) - goto fail; - - INIT_LIST_HEAD(&req->list); - list_add_tail(&req->list, q); - req++; - } - return reqs; -fail: - brcmf_err("fail!\n"); - while (!list_empty(q)) { - req = list_entry(q->next, struct brcmf_usbreq, list); - if (req) - usb_free_urb(req->urb); - list_del(q->next); - } - return NULL; - -} - -static void brcmf_usb_free_q(struct list_head *q, bool pending) -{ - struct brcmf_usbreq *req, *next; - int i = 0; - list_for_each_entry_safe(req, next, q, list) { - if (!req->urb) { - brcmf_err("bad req\n"); - break; - } - i++; - if (pending) { - usb_kill_urb(req->urb); - } else { - usb_free_urb(req->urb); - list_del_init(&req->list); - } - } -} - -static void brcmf_usb_del_fromq(struct brcmf_usbdev_info *devinfo, - struct brcmf_usbreq *req) -{ - unsigned long flags; - - spin_lock_irqsave(&devinfo->qlock, flags); - list_del_init(&req->list); - spin_unlock_irqrestore(&devinfo->qlock, flags); -} - - -static void brcmf_usb_tx_complete(struct urb *urb) -{ - struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; - struct brcmf_usbdev_info *devinfo = req->devinfo; - unsigned long flags; - - brcmf_dbg(USB, "Enter, urb->status=%d, skb=%p\n", urb->status, - req->skb); - brcmf_usb_del_fromq(devinfo, req); - - brcmf_txcomplete(devinfo->dev, req->skb, urb->status == 0); - req->skb = NULL; - brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, &devinfo->tx_freecount); - spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags); - if (devinfo->tx_freecount > devinfo->tx_high_watermark && - devinfo->tx_flowblock) { - brcmf_txflowblock(devinfo->dev, false); - devinfo->tx_flowblock = false; - } - spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags); -} - -static void brcmf_usb_rx_complete(struct urb *urb) -{ - struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; - struct brcmf_usbdev_info *devinfo = req->devinfo; - struct sk_buff *skb; - - brcmf_dbg(USB, "Enter, urb->status=%d\n", urb->status); - brcmf_usb_del_fromq(devinfo, req); - skb = req->skb; - req->skb = NULL; - - /* zero lenght packets indicate usb "failure". Do not refill */ - if (urb->status != 0 || !urb->actual_length) { - brcmu_pkt_buf_free_skb(skb); - brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); - return; - } - - if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) { - skb_put(skb, urb->actual_length); - brcmf_rx_frame(devinfo->dev, skb); - brcmf_usb_rx_refill(devinfo, req); - } else { - brcmu_pkt_buf_free_skb(skb); - brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); - } - return; - -} - -static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, - struct brcmf_usbreq *req) -{ - struct sk_buff *skb; - int ret; - - if (!req || !devinfo) - return; - - skb = dev_alloc_skb(devinfo->bus_pub.bus_mtu); - if (!skb) { - brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); - return; - } - req->skb = skb; - - usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->rx_pipe, - skb->data, skb_tailroom(skb), brcmf_usb_rx_complete, - req); - req->devinfo = devinfo; - brcmf_usb_enq(devinfo, &devinfo->rx_postq, req, NULL); - - ret = usb_submit_urb(req->urb, GFP_ATOMIC); - if (ret) { - brcmf_usb_del_fromq(devinfo, req); - brcmu_pkt_buf_free_skb(req->skb); - req->skb = NULL; - brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); - } - return; -} - -static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info *devinfo) -{ - struct brcmf_usbreq *req; - - if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { - brcmf_err("bus is not up=%d\n", devinfo->bus_pub.state); - return; - } - while ((req = brcmf_usb_deq(devinfo, &devinfo->rx_freeq, NULL)) != NULL) - brcmf_usb_rx_refill(devinfo, req); -} - -static void -brcmf_usb_state_change(struct brcmf_usbdev_info *devinfo, int state) -{ - struct brcmf_bus *bcmf_bus = devinfo->bus_pub.bus; - int old_state; - - brcmf_dbg(USB, "Enter, current state=%d, new state=%d\n", - devinfo->bus_pub.state, state); - - if (devinfo->bus_pub.state == state) - return; - - old_state = devinfo->bus_pub.state; - devinfo->bus_pub.state = state; - - /* update state of upper layer */ - if (state == BRCMFMAC_USB_STATE_DOWN) { - brcmf_dbg(USB, "DBUS is down\n"); - brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_DOWN); - } else if (state == BRCMFMAC_USB_STATE_UP) { - brcmf_dbg(USB, "DBUS is up\n"); - brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_UP); - } else { - brcmf_dbg(USB, "DBUS current state=%d\n", state); - } -} - -static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb) -{ - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); - struct brcmf_usbreq *req; - int ret; - unsigned long flags; - - brcmf_dbg(USB, "Enter, skb=%p\n", skb); - if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { - ret = -EIO; - goto fail; - } - - req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq, - &devinfo->tx_freecount); - if (!req) { - brcmf_err("no req to send\n"); - ret = -ENOMEM; - goto fail; - } - - req->skb = skb; - req->devinfo = devinfo; - usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->tx_pipe, - skb->data, skb->len, brcmf_usb_tx_complete, req); - req->urb->transfer_flags |= URB_ZERO_PACKET; - brcmf_usb_enq(devinfo, &devinfo->tx_postq, req, NULL); - ret = usb_submit_urb(req->urb, GFP_ATOMIC); - if (ret) { - brcmf_err("brcmf_usb_tx usb_submit_urb FAILED\n"); - brcmf_usb_del_fromq(devinfo, req); - req->skb = NULL; - brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, - &devinfo->tx_freecount); - goto fail; - } - - spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags); - if (devinfo->tx_freecount < devinfo->tx_low_watermark && - !devinfo->tx_flowblock) { - brcmf_txflowblock(dev, true); - devinfo->tx_flowblock = true; - } - spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags); - return 0; - -fail: - return ret; -} - - -static int brcmf_usb_up(struct device *dev) -{ - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); - - brcmf_dbg(USB, "Enter\n"); - if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) - return 0; - - /* Success, indicate devinfo is fully up */ - brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_UP); - - if (devinfo->ctl_urb) { - devinfo->ctl_in_pipe = usb_rcvctrlpipe(devinfo->usbdev, 0); - devinfo->ctl_out_pipe = usb_sndctrlpipe(devinfo->usbdev, 0); - - /* CTL Write */ - devinfo->ctl_write.bRequestType = - USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE; - devinfo->ctl_write.bRequest = 0; - devinfo->ctl_write.wValue = cpu_to_le16(0); - devinfo->ctl_write.wIndex = cpu_to_le16(devinfo->ifnum); - - /* CTL Read */ - devinfo->ctl_read.bRequestType = - USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE; - devinfo->ctl_read.bRequest = 1; - devinfo->ctl_read.wValue = cpu_to_le16(0); - devinfo->ctl_read.wIndex = cpu_to_le16(devinfo->ifnum); - } - brcmf_usb_rx_fill_all(devinfo); - return 0; -} - -static void brcmf_cancel_all_urbs(struct brcmf_usbdev_info *devinfo) -{ - if (devinfo->ctl_urb) - usb_kill_urb(devinfo->ctl_urb); - if (devinfo->bulk_urb) - usb_kill_urb(devinfo->bulk_urb); - brcmf_usb_free_q(&devinfo->tx_postq, true); - brcmf_usb_free_q(&devinfo->rx_postq, true); -} - -static void brcmf_usb_down(struct device *dev) -{ - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); - - brcmf_dbg(USB, "Enter\n"); - if (devinfo == NULL) - return; - - if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_DOWN) - return; - - brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_DOWN); - - brcmf_cancel_all_urbs(devinfo); -} - -static void -brcmf_usb_sync_complete(struct urb *urb) -{ - struct brcmf_usbdev_info *devinfo = - (struct brcmf_usbdev_info *)urb->context; - - devinfo->ctl_completed = true; - brcmf_usb_ioctl_resp_wake(devinfo); -} - -static int brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd, - void *buffer, int buflen) -{ - int ret; - char *tmpbuf; - u16 size; - - if ((!devinfo) || (devinfo->ctl_urb == NULL)) - return -EINVAL; - - tmpbuf = kmalloc(buflen, GFP_ATOMIC); - if (!tmpbuf) - return -ENOMEM; - - size = buflen; - devinfo->ctl_urb->transfer_buffer_length = size; - - devinfo->ctl_read.wLength = cpu_to_le16p(&size); - devinfo->ctl_read.bRequestType = USB_DIR_IN | USB_TYPE_VENDOR | - USB_RECIP_INTERFACE; - devinfo->ctl_read.bRequest = cmd; - - usb_fill_control_urb(devinfo->ctl_urb, - devinfo->usbdev, - usb_rcvctrlpipe(devinfo->usbdev, 0), - (unsigned char *) &devinfo->ctl_read, - (void *) tmpbuf, size, - (usb_complete_t)brcmf_usb_sync_complete, devinfo); - - devinfo->ctl_completed = false; - ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); - if (ret < 0) { - brcmf_err("usb_submit_urb failed %d\n", ret); - goto finalize; - } - - if (!brcmf_usb_ioctl_resp_wait(devinfo)) { - usb_kill_urb(devinfo->ctl_urb); - ret = -ETIMEDOUT; - } else { - memcpy(buffer, tmpbuf, buflen); - } - -finalize: - kfree(tmpbuf); - return ret; -} - -static bool -brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo) -{ - struct bootrom_id_le id; - u32 chipid, chiprev; - - brcmf_dbg(USB, "Enter\n"); - - if (devinfo == NULL) - return false; - - /* Check if firmware downloaded already by querying runtime ID */ - id.chip = cpu_to_le32(0xDEAD); - brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); - - chipid = le32_to_cpu(id.chip); - chiprev = le32_to_cpu(id.chiprev); - - if ((chipid & 0x4300) == 0x4300) - brcmf_dbg(USB, "chip %x rev 0x%x\n", chipid, chiprev); - else - brcmf_dbg(USB, "chip %d rev 0x%x\n", chipid, chiprev); - if (chipid == BRCMF_POSTBOOT_ID) { - brcmf_dbg(USB, "firmware already downloaded\n"); - brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); - return false; - } else { - devinfo->bus_pub.devid = chipid; - devinfo->bus_pub.chiprev = chiprev; - } - return true; -} - -static int -brcmf_usb_resetcfg(struct brcmf_usbdev_info *devinfo) -{ - struct bootrom_id_le id; - u32 loop_cnt; - int err; - - brcmf_dbg(USB, "Enter\n"); - - loop_cnt = 0; - do { - mdelay(BRCMF_USB_RESET_GETVER_SPINWAIT); - loop_cnt++; - id.chip = cpu_to_le32(0xDEAD); /* Get the ID */ - err = brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); - if ((err) && (err != -ETIMEDOUT)) - return err; - if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) - break; - } while (loop_cnt < BRCMF_USB_RESET_GETVER_LOOP_CNT); - - if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) { - brcmf_dbg(USB, "postboot chip 0x%x/rev 0x%x\n", - le32_to_cpu(id.chip), le32_to_cpu(id.chiprev)); - - brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); - return 0; - } else { - brcmf_err("Cannot talk to Dongle. Firmware is not UP, %d ms\n", - BRCMF_USB_RESET_GETVER_SPINWAIT * loop_cnt); - return -EINVAL; - } -} - - -static int -brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info *devinfo, void *buffer, int len) -{ - int ret; - - if ((devinfo == NULL) || (devinfo->bulk_urb == NULL)) - return -EINVAL; - - /* Prepare the URB */ - usb_fill_bulk_urb(devinfo->bulk_urb, devinfo->usbdev, - devinfo->tx_pipe, buffer, len, - (usb_complete_t)brcmf_usb_sync_complete, devinfo); - - devinfo->bulk_urb->transfer_flags |= URB_ZERO_PACKET; - - devinfo->ctl_completed = false; - ret = usb_submit_urb(devinfo->bulk_urb, GFP_ATOMIC); - if (ret) { - brcmf_err("usb_submit_urb failed %d\n", ret); - return ret; - } - ret = brcmf_usb_ioctl_resp_wait(devinfo); - return (ret == 0); -} - -static int -brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen) -{ - unsigned int sendlen, sent, dllen; - char *bulkchunk = NULL, *dlpos; - struct rdl_state_le state; - u32 rdlstate, rdlbytes; - int err = 0; - - brcmf_dbg(USB, "Enter, fw %p, len %d\n", fw, fwlen); - - bulkchunk = kmalloc(TRX_RDL_CHUNK, GFP_ATOMIC); - if (bulkchunk == NULL) { - err = -ENOMEM; - goto fail; - } - - /* 1) Prepare USB boot loader for runtime image */ - brcmf_usb_dl_cmd(devinfo, DL_START, &state, sizeof(state)); - - rdlstate = le32_to_cpu(state.state); - rdlbytes = le32_to_cpu(state.bytes); - - /* 2) Check we are in the Waiting state */ - if (rdlstate != DL_WAITING) { - brcmf_err("Failed to DL_START\n"); - err = -EINVAL; - goto fail; - } - sent = 0; - dlpos = fw; - dllen = fwlen; - - /* Get chip id and rev */ - while (rdlbytes != dllen) { - /* Wait until the usb device reports it received all - * the bytes we sent */ - if ((rdlbytes == sent) && (rdlbytes != dllen)) { - if ((dllen-sent) < TRX_RDL_CHUNK) - sendlen = dllen-sent; - else - sendlen = TRX_RDL_CHUNK; - - /* simply avoid having to send a ZLP by ensuring we - * never have an even - * multiple of 64 - */ - if (!(sendlen % 64)) - sendlen -= 4; - - /* send data */ - memcpy(bulkchunk, dlpos, sendlen); - if (brcmf_usb_dl_send_bulk(devinfo, bulkchunk, - sendlen)) { - brcmf_err("send_bulk failed\n"); - err = -EINVAL; - goto fail; - } - - dlpos += sendlen; - sent += sendlen; - } - err = brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, - sizeof(state)); - if (err) { - brcmf_err("DL_GETSTATE Failed\n"); - goto fail; - } - - rdlstate = le32_to_cpu(state.state); - rdlbytes = le32_to_cpu(state.bytes); - - /* restart if an error is reported */ - if (rdlstate == DL_BAD_HDR || rdlstate == DL_BAD_CRC) { - brcmf_err("Bad Hdr or Bad CRC state %d\n", - rdlstate); - err = -EINVAL; - goto fail; - } - } - -fail: - kfree(bulkchunk); - brcmf_dbg(USB, "Exit, err=%d\n", err); - return err; -} - -static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len) -{ - int err; - - brcmf_dbg(USB, "Enter\n"); - - if (devinfo == NULL) - return -EINVAL; - - if (devinfo->bus_pub.devid == 0xDEAD) - return -EINVAL; - - err = brcmf_usb_dl_writeimage(devinfo, fw, len); - if (err == 0) - devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_DONE; - else - devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_FAIL; - brcmf_dbg(USB, "Exit, err=%d\n", err); - - return err; -} - -static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo) -{ - struct rdl_state_le state; - - brcmf_dbg(USB, "Enter\n"); - if (!devinfo) - return -EINVAL; - - if (devinfo->bus_pub.devid == 0xDEAD) - return -EINVAL; - - /* Check we are runnable */ - state.state = 0; - brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, sizeof(state)); - - /* Start the image */ - if (state.state == cpu_to_le32(DL_RUNNABLE)) { - if (brcmf_usb_dl_cmd(devinfo, DL_GO, &state, sizeof(state))) - return -ENODEV; - if (brcmf_usb_resetcfg(devinfo)) - return -ENODEV; - /* The Dongle may go for re-enumeration. */ - } else { - brcmf_err("Dongle not runnable\n"); - return -EINVAL; - } - brcmf_dbg(USB, "Exit\n"); - return 0; -} - -static bool brcmf_usb_chip_support(int chipid, int chiprev) -{ - switch(chipid) { - case BRCM_CC_43143_CHIP_ID: - return true; - case BRCM_CC_43235_CHIP_ID: - case BRCM_CC_43236_CHIP_ID: - case BRCM_CC_43238_CHIP_ID: - return (chiprev == 3); - case BRCM_CC_43242_CHIP_ID: - return true; - case BRCM_CC_43566_CHIP_ID: - case BRCM_CC_43569_CHIP_ID: - return true; - default: - break; - } - return false; -} - -static int -brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo) -{ - int devid, chiprev; - int err; - - brcmf_dbg(USB, "Enter\n"); - if (devinfo == NULL) - return -ENODEV; - - devid = devinfo->bus_pub.devid; - chiprev = devinfo->bus_pub.chiprev; - - if (!brcmf_usb_chip_support(devid, chiprev)) { - brcmf_err("unsupported chip %d rev %d\n", - devid, chiprev); - return -EINVAL; - } - - if (!devinfo->image) { - brcmf_err("No firmware!\n"); - return -ENOENT; - } - - err = brcmf_usb_dlstart(devinfo, - (u8 *)devinfo->image, devinfo->image_len); - if (err == 0) - err = brcmf_usb_dlrun(devinfo); - return err; -} - - -static void brcmf_usb_detach(struct brcmf_usbdev_info *devinfo) -{ - brcmf_dbg(USB, "Enter, devinfo %p\n", devinfo); - - /* free the URBS */ - brcmf_usb_free_q(&devinfo->rx_freeq, false); - brcmf_usb_free_q(&devinfo->tx_freeq, false); - - usb_free_urb(devinfo->ctl_urb); - usb_free_urb(devinfo->bulk_urb); - - kfree(devinfo->tx_reqs); - kfree(devinfo->rx_reqs); -} - - -static int check_file(const u8 *headers) -{ - struct trx_header_le *trx; - int actual_len = -1; - - brcmf_dbg(USB, "Enter\n"); - /* Extract trx header */ - trx = (struct trx_header_le *) headers; - if (trx->magic != cpu_to_le32(TRX_MAGIC)) - return -1; - - headers += sizeof(struct trx_header_le); - - if (le32_to_cpu(trx->flag_version) & TRX_UNCOMP_IMAGE) { - actual_len = le32_to_cpu(trx->offsets[TRX_OFFSETS_DLFWLEN_IDX]); - return actual_len + sizeof(struct trx_header_le); - } - return -1; -} - -static const char *brcmf_usb_get_fwname(struct brcmf_usbdev_info *devinfo) -{ - switch (devinfo->bus_pub.devid) { - case BRCM_CC_43143_CHIP_ID: - return BRCMF_USB_43143_FW_NAME; - case BRCM_CC_43235_CHIP_ID: - case BRCM_CC_43236_CHIP_ID: - case BRCM_CC_43238_CHIP_ID: - return BRCMF_USB_43236_FW_NAME; - case BRCM_CC_43242_CHIP_ID: - return BRCMF_USB_43242_FW_NAME; - case BRCM_CC_43566_CHIP_ID: - case BRCM_CC_43569_CHIP_ID: - return BRCMF_USB_43569_FW_NAME; - default: - return NULL; - } -} - - -static -struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo, - int nrxq, int ntxq) -{ - brcmf_dbg(USB, "Enter\n"); - - devinfo->bus_pub.nrxq = nrxq; - devinfo->rx_low_watermark = nrxq / 2; - devinfo->bus_pub.devinfo = devinfo; - devinfo->bus_pub.ntxq = ntxq; - devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DOWN; - - /* flow control when too many tx urbs posted */ - devinfo->tx_low_watermark = ntxq / 4; - devinfo->tx_high_watermark = devinfo->tx_low_watermark * 3; - devinfo->bus_pub.bus_mtu = BRCMF_USB_MAX_PKT_SIZE; - - /* Initialize other structure content */ - init_waitqueue_head(&devinfo->ioctl_resp_wait); - - /* Initialize the spinlocks */ - spin_lock_init(&devinfo->qlock); - spin_lock_init(&devinfo->tx_flowblock_lock); - - INIT_LIST_HEAD(&devinfo->rx_freeq); - INIT_LIST_HEAD(&devinfo->rx_postq); - - INIT_LIST_HEAD(&devinfo->tx_freeq); - INIT_LIST_HEAD(&devinfo->tx_postq); - - devinfo->tx_flowblock = false; - - devinfo->rx_reqs = brcmf_usbdev_qinit(&devinfo->rx_freeq, nrxq); - if (!devinfo->rx_reqs) - goto error; - - devinfo->tx_reqs = brcmf_usbdev_qinit(&devinfo->tx_freeq, ntxq); - if (!devinfo->tx_reqs) - goto error; - devinfo->tx_freecount = ntxq; - - devinfo->ctl_urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!devinfo->ctl_urb) { - brcmf_err("usb_alloc_urb (ctl) failed\n"); - goto error; - } - devinfo->bulk_urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!devinfo->bulk_urb) { - brcmf_err("usb_alloc_urb (bulk) failed\n"); - goto error; - } - - return &devinfo->bus_pub; - -error: - brcmf_err("failed!\n"); - brcmf_usb_detach(devinfo); - return NULL; -} - -static void brcmf_usb_wowl_config(struct device *dev, bool enabled) -{ - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); - - brcmf_dbg(USB, "Configuring WOWL, enabled=%d\n", enabled); - devinfo->wowl_enabled = enabled; - if (enabled) - device_set_wakeup_enable(devinfo->dev, true); - else - device_set_wakeup_enable(devinfo->dev, false); -} - -static struct brcmf_bus_ops brcmf_usb_bus_ops = { - .txdata = brcmf_usb_tx, - .stop = brcmf_usb_down, - .txctl = brcmf_usb_tx_ctlpkt, - .rxctl = brcmf_usb_rx_ctlpkt, - .wowl_config = brcmf_usb_wowl_config, -}; - -static int brcmf_usb_bus_setup(struct brcmf_usbdev_info *devinfo) -{ - int ret; - - /* Attach to the common driver interface */ - ret = brcmf_attach(devinfo->dev); - if (ret) { - brcmf_err("brcmf_attach failed\n"); - return ret; - } - - ret = brcmf_usb_up(devinfo->dev); - if (ret) - goto fail; - - ret = brcmf_bus_start(devinfo->dev); - if (ret) - goto fail; - - return 0; -fail: - brcmf_detach(devinfo->dev); - return ret; -} - -static void brcmf_usb_probe_phase2(struct device *dev, - const struct firmware *fw, - void *nvram, u32 nvlen) -{ - struct brcmf_bus *bus = dev_get_drvdata(dev); - struct brcmf_usbdev_info *devinfo; - int ret; - - brcmf_dbg(USB, "Start fw downloading\n"); - - devinfo = bus->bus_priv.usb->devinfo; - ret = check_file(fw->data); - if (ret < 0) { - brcmf_err("invalid firmware\n"); - release_firmware(fw); - goto error; - } - - devinfo->image = fw->data; - devinfo->image_len = fw->size; - - ret = brcmf_usb_fw_download(devinfo); - release_firmware(fw); - if (ret) - goto error; - - ret = brcmf_usb_bus_setup(devinfo); - if (ret) - goto error; - - mutex_unlock(&devinfo->dev_init_lock); - return; -error: - brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), ret); - mutex_unlock(&devinfo->dev_init_lock); - device_release_driver(dev); -} - -static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) -{ - struct brcmf_bus *bus = NULL; - struct brcmf_usbdev *bus_pub = NULL; - struct device *dev = devinfo->dev; - int ret; - - brcmf_dbg(USB, "Enter\n"); - bus_pub = brcmf_usb_attach(devinfo, BRCMF_USB_NRXQ, BRCMF_USB_NTXQ); - if (!bus_pub) - return -ENODEV; - - bus = kzalloc(sizeof(struct brcmf_bus), GFP_ATOMIC); - if (!bus) { - ret = -ENOMEM; - goto fail; - } - - bus->dev = dev; - bus_pub->bus = bus; - bus->bus_priv.usb = bus_pub; - dev_set_drvdata(dev, bus); - bus->ops = &brcmf_usb_bus_ops; - bus->proto_type = BRCMF_PROTO_BCDC; - bus->always_use_fws_queue = true; -#ifdef CONFIG_PM - bus->wowl_supported = true; -#endif - - if (!brcmf_usb_dlneeded(devinfo)) { - ret = brcmf_usb_bus_setup(devinfo); - if (ret) - goto fail; - /* we are done */ - mutex_unlock(&devinfo->dev_init_lock); - return 0; - } - bus->chip = bus_pub->devid; - bus->chiprev = bus_pub->chiprev; - - /* request firmware here */ - ret = brcmf_fw_get_firmwares(dev, 0, brcmf_usb_get_fwname(devinfo), - NULL, brcmf_usb_probe_phase2); - if (ret) { - brcmf_err("firmware request failed: %d\n", ret); - goto fail; - } - - return 0; - -fail: - /* Release resources in reverse order */ - kfree(bus); - brcmf_usb_detach(devinfo); - return ret; -} - -static void -brcmf_usb_disconnect_cb(struct brcmf_usbdev_info *devinfo) -{ - if (!devinfo) - return; - brcmf_dbg(USB, "Enter, bus_pub %p\n", devinfo); - - brcmf_detach(devinfo->dev); - kfree(devinfo->bus_pub.bus); - brcmf_usb_detach(devinfo); -} - -static int -brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) -{ - struct usb_device *usb = interface_to_usbdev(intf); - struct brcmf_usbdev_info *devinfo; - struct usb_interface_descriptor *desc; - struct usb_endpoint_descriptor *endpoint; - int ret = 0; - u32 num_of_eps; - u8 endpoint_num, ep; - - brcmf_dbg(USB, "Enter 0x%04x:0x%04x\n", id->idVendor, id->idProduct); - - devinfo = kzalloc(sizeof(*devinfo), GFP_ATOMIC); - if (devinfo == NULL) - return -ENOMEM; - - devinfo->usbdev = usb; - devinfo->dev = &usb->dev; - /* Take an init lock, to protect for disconnect while still loading. - * Necessary because of the asynchronous firmware load construction - */ - mutex_init(&devinfo->dev_init_lock); - mutex_lock(&devinfo->dev_init_lock); - - usb_set_intfdata(intf, devinfo); - - /* Check that the device supports only one configuration */ - if (usb->descriptor.bNumConfigurations != 1) { - brcmf_err("Number of configurations: %d not supported\n", - usb->descriptor.bNumConfigurations); - ret = -ENODEV; - goto fail; - } - - if ((usb->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) && - (usb->descriptor.bDeviceClass != USB_CLASS_MISC) && - (usb->descriptor.bDeviceClass != USB_CLASS_WIRELESS_CONTROLLER)) { - brcmf_err("Device class: 0x%x not supported\n", - usb->descriptor.bDeviceClass); - ret = -ENODEV; - goto fail; - } - - desc = &intf->altsetting[0].desc; - if ((desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) || - (desc->bInterfaceSubClass != 2) || - (desc->bInterfaceProtocol != 0xff)) { - brcmf_err("non WLAN interface %d: 0x%x:0x%x:0x%x\n", - desc->bInterfaceNumber, desc->bInterfaceClass, - desc->bInterfaceSubClass, desc->bInterfaceProtocol); - ret = -ENODEV; - goto fail; - } - - num_of_eps = desc->bNumEndpoints; - for (ep = 0; ep < num_of_eps; ep++) { - endpoint = &intf->altsetting[0].endpoint[ep].desc; - endpoint_num = usb_endpoint_num(endpoint); - if (!usb_endpoint_xfer_bulk(endpoint)) - continue; - if (usb_endpoint_dir_in(endpoint)) { - if (!devinfo->rx_pipe) - devinfo->rx_pipe = - usb_rcvbulkpipe(usb, endpoint_num); - } else { - if (!devinfo->tx_pipe) - devinfo->tx_pipe = - usb_sndbulkpipe(usb, endpoint_num); - } - } - if (devinfo->rx_pipe == 0) { - brcmf_err("No RX (in) Bulk EP found\n"); - ret = -ENODEV; - goto fail; - } - if (devinfo->tx_pipe == 0) { - brcmf_err("No TX (out) Bulk EP found\n"); - ret = -ENODEV; - goto fail; - } - - devinfo->ifnum = desc->bInterfaceNumber; - - if (usb->speed == USB_SPEED_SUPER) - brcmf_dbg(USB, "Broadcom super speed USB WLAN interface detected\n"); - else if (usb->speed == USB_SPEED_HIGH) - brcmf_dbg(USB, "Broadcom high speed USB WLAN interface detected\n"); - else - brcmf_dbg(USB, "Broadcom full speed USB WLAN interface detected\n"); - - ret = brcmf_usb_probe_cb(devinfo); - if (ret) - goto fail; - - /* Success */ - return 0; - -fail: - mutex_unlock(&devinfo->dev_init_lock); - kfree(devinfo); - usb_set_intfdata(intf, NULL); - return ret; -} - -static void -brcmf_usb_disconnect(struct usb_interface *intf) -{ - struct brcmf_usbdev_info *devinfo; - - brcmf_dbg(USB, "Enter\n"); - devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf); - - if (devinfo) { - mutex_lock(&devinfo->dev_init_lock); - /* Make sure that devinfo still exists. Firmware probe routines - * may have released the device and cleared the intfdata. - */ - if (!usb_get_intfdata(intf)) - goto done; - - brcmf_usb_disconnect_cb(devinfo); - kfree(devinfo); - } -done: - brcmf_dbg(USB, "Exit\n"); -} - -/* - * only need to signal the bus being down and update the state. - */ -static int brcmf_usb_suspend(struct usb_interface *intf, pm_message_t state) -{ - struct usb_device *usb = interface_to_usbdev(intf); - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); - - brcmf_dbg(USB, "Enter\n"); - devinfo->bus_pub.state = BRCMFMAC_USB_STATE_SLEEP; - if (devinfo->wowl_enabled) - brcmf_cancel_all_urbs(devinfo); - else - brcmf_detach(&usb->dev); - return 0; -} - -/* - * (re-) start the bus. - */ -static int brcmf_usb_resume(struct usb_interface *intf) -{ - struct usb_device *usb = interface_to_usbdev(intf); - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); - - brcmf_dbg(USB, "Enter\n"); - if (!devinfo->wowl_enabled) - return brcmf_usb_bus_setup(devinfo); - - devinfo->bus_pub.state = BRCMFMAC_USB_STATE_UP; - brcmf_usb_rx_fill_all(devinfo); - return 0; -} - -static int brcmf_usb_reset_resume(struct usb_interface *intf) -{ - struct usb_device *usb = interface_to_usbdev(intf); - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); - - brcmf_dbg(USB, "Enter\n"); - - return brcmf_fw_get_firmwares(&usb->dev, 0, - brcmf_usb_get_fwname(devinfo), NULL, - brcmf_usb_probe_phase2); -} - -#define BRCMF_USB_DEVICE(dev_id) \ - { USB_DEVICE(BRCM_USB_VENDOR_ID_BROADCOM, dev_id) } - -static struct usb_device_id brcmf_usb_devid_table[] = { - BRCMF_USB_DEVICE(BRCM_USB_43143_DEVICE_ID), - BRCMF_USB_DEVICE(BRCM_USB_43236_DEVICE_ID), - BRCMF_USB_DEVICE(BRCM_USB_43242_DEVICE_ID), - BRCMF_USB_DEVICE(BRCM_USB_43569_DEVICE_ID), - /* special entry for device with firmware loaded and running */ - BRCMF_USB_DEVICE(BRCM_USB_BCMFW_DEVICE_ID), - { /* end: all zeroes */ } -}; - -MODULE_DEVICE_TABLE(usb, brcmf_usb_devid_table); -/*(DEBLOBBED)*/ - -static struct usb_driver brcmf_usbdrvr = { - .name = KBUILD_MODNAME, - .probe = brcmf_usb_probe, - .disconnect = brcmf_usb_disconnect, - .id_table = brcmf_usb_devid_table, - .suspend = brcmf_usb_suspend, - .resume = brcmf_usb_resume, - .reset_resume = brcmf_usb_reset_resume, - .supports_autosuspend = 1, - .disable_hub_initiated_lpm = 1, -}; - -static int brcmf_usb_reset_device(struct device *dev, void *notused) -{ - /* device past is the usb interface so we - * need to use parent here. - */ - brcmf_dev_reset(dev->parent); - return 0; -} - -void brcmf_usb_exit(void) -{ - struct device_driver *drv = &brcmf_usbdrvr.drvwrap.driver; - int ret; - - brcmf_dbg(USB, "Enter\n"); - ret = driver_for_each_device(drv, NULL, NULL, - brcmf_usb_reset_device); - usb_deregister(&brcmf_usbdrvr); -} - -void brcmf_usb_register(void) -{ - brcmf_dbg(USB, "Enter\n"); - usb_register(&brcmf_usbdrvr); -} -- cgit v1.2.3-54-g00ecf