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path: root/drivers/net/wireless/brcm80211/brcmfmac/usb.c
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/usb.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/usb.c917
1 files changed, 375 insertions, 542 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
index a299d42da8e..d06fcb05adf 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
@@ -14,42 +14,28 @@
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/kthread.h>
-#include <linux/slab.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/spinlock.h>
-#include <linux/ethtool.h>
-#include <linux/fcntl.h>
-#include <linux/fs.h>
-#include <linux/uaccess.h>
#include <linux/firmware.h>
#include <linux/usb.h>
#include <linux/vmalloc.h>
-#include <net/cfg80211.h>
-#include <defs.h>
#include <brcmu_utils.h>
#include <brcmu_wifi.h>
#include <dhd_bus.h>
#include <dhd_dbg.h>
+#include "firmware.h"
#include "usb_rdl.h"
#include "usb.h"
#define IOCTL_RESP_TIMEOUT 2000
-#define BRCMF_USB_SYNC_TIMEOUT 300 /* ms */
-#define BRCMF_USB_DLIMAGE_SPINWAIT 100 /* in unit of ms */
-#define BRCMF_USB_DLIMAGE_LIMIT 500 /* spinwait limit (ms) */
+#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_RESETCFG_SPINWAIT 1 /* wait after resetcfg (ms) */
-
#define BRCMF_USB_NRXQ 50
#define BRCMF_USB_NTXQ 50
@@ -66,41 +52,15 @@
#define BRCMF_USB_CBCTL_READ 1
#define BRCMF_USB_MAX_PKT_SIZE 1600
+#define BRCMF_USB_43143_FW_NAME "brcm/brcmfmac43143.bin"
#define BRCMF_USB_43236_FW_NAME "brcm/brcmfmac43236b.bin"
-
-enum usbdev_suspend_state {
- USBOS_SUSPEND_STATE_DEVICE_ACTIVE = 0, /* Device is busy, won't allow
- suspend */
- USBOS_SUSPEND_STATE_SUSPEND_PENDING, /* Device is idle, can be
- * suspended. Wating PM to
- * suspend the device
- */
- USBOS_SUSPEND_STATE_SUSPENDED /* Device suspended */
-};
-
-struct brcmf_usb_probe_info {
- void *usbdev_info;
- struct usb_device *usb; /* USB device pointer from OS */
- uint rx_pipe, tx_pipe, intr_pipe, rx_pipe2;
- int intr_size; /* Size of interrupt message */
- int interval; /* Interrupt polling interval */
- int vid;
- int pid;
- enum usb_device_speed device_speed;
- enum usbdev_suspend_state suspend_state;
- struct usb_interface *intf;
-};
-static struct brcmf_usb_probe_info usbdev_probe_info;
+#define BRCMF_USB_43242_FW_NAME "brcm/brcmfmac43242a.bin"
struct brcmf_usb_image {
- void *data;
- u32 len;
-};
-static struct brcmf_usb_image g_image = { NULL, 0 };
-
-struct intr_transfer_buf {
- u32 notification;
- u32 reserved;
+ struct list_head list;
+ s8 *fwname;
+ u8 *image;
+ int image_len;
};
struct brcmf_usbdev_info {
@@ -110,30 +70,23 @@ struct brcmf_usbdev_info {
struct list_head rx_postq;
struct list_head tx_freeq;
struct list_head tx_postq;
- enum usbdev_suspend_state suspend_state;
- uint rx_pipe, tx_pipe, intr_pipe, rx_pipe2;
+ uint rx_pipe, tx_pipe, rx_pipe2;
- bool activity;
int rx_low_watermark;
int tx_low_watermark;
int tx_high_watermark;
- bool txoff;
- bool rxoff;
- bool txoverride;
+ int tx_freecount;
+ bool tx_flowblock;
+ spinlock_t tx_flowblock_lock;
struct brcmf_usbreq *tx_reqs;
struct brcmf_usbreq *rx_reqs;
- u8 *image; /* buffer for combine fw and nvram */
+ const u8 *image; /* buffer for combine fw and nvram */
int image_len;
- wait_queue_head_t wait;
- bool waitdone;
- int sync_urb_status;
-
struct usb_device *usbdev;
struct device *dev;
- enum usb_device_speed device_speed;
int ctl_in_pipe, ctl_out_pipe;
struct urb *ctl_urb; /* URB for control endpoint */
@@ -143,29 +96,14 @@ struct brcmf_usbdev_info {
int ctl_urb_status;
int ctl_completed;
wait_queue_head_t ioctl_resp_wait;
- wait_queue_head_t ctrl_wait;
ulong ctl_op;
- bool rxctl_deferrespok;
-
struct urb *bulk_urb; /* used for FW download */
- struct urb *intr_urb; /* URB for interrupt endpoint */
- int intr_size; /* Size of interrupt message */
- int interval; /* Interrupt polling interval */
- struct intr_transfer_buf intr; /* Data buffer for interrupt endpoint */
-
- struct brcmf_usb_probe_info probe_info;
-
};
static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo,
struct brcmf_usbreq *req);
-MODULE_AUTHOR("Broadcom Corporation");
-MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac usb driver.");
-MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac usb cards");
-MODULE_LICENSE("Dual BSD/GPL");
-
static struct brcmf_usbdev *brcmf_usb_get_buspub(struct device *dev)
{
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
@@ -177,53 +115,23 @@ static struct brcmf_usbdev_info *brcmf_usb_get_businfo(struct device *dev)
return brcmf_usb_get_buspub(dev)->devinfo;
}
-#if 0
-static void
-brcmf_usb_txflowcontrol(struct brcmf_usbdev_info *devinfo, bool onoff)
-{
- dhd_txflowcontrol(devinfo->bus_pub.netdev, 0, onoff);
-}
-#endif
-
-static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info *devinfo,
- uint *condition, bool *pending)
+static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info *devinfo)
{
- DECLARE_WAITQUEUE(wait, current);
- int timeout = IOCTL_RESP_TIMEOUT;
-
- /* Convert timeout in millsecond to jiffies */
- timeout = msecs_to_jiffies(timeout);
- /* Wait until control frame is available */
- add_wait_queue(&devinfo->ioctl_resp_wait, &wait);
- set_current_state(TASK_INTERRUPTIBLE);
-
- smp_mb();
- while (!(*condition) && (!signal_pending(current) && timeout)) {
- timeout = schedule_timeout(timeout);
- /* Wait until control frame is available */
- smp_mb();
- }
-
- if (signal_pending(current))
- *pending = true;
-
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&devinfo->ioctl_resp_wait, &wait);
-
- return timeout;
+ return wait_event_timeout(devinfo->ioctl_resp_wait,
+ devinfo->ctl_completed,
+ msecs_to_jiffies(IOCTL_RESP_TIMEOUT));
}
-static int brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo)
+static void brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo)
{
if (waitqueue_active(&devinfo->ioctl_resp_wait))
- wake_up_interruptible(&devinfo->ioctl_resp_wait);
-
- return 0;
+ 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;
@@ -251,6 +159,7 @@ 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);
@@ -262,33 +171,22 @@ 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_pnp(struct brcmf_usbdev_info *devinfo, uint state)
-{
- return 0;
-}
-
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;
- /* If the USB/HSIC bus in sleep state, wake it up */
- if (devinfo->suspend_state == USBOS_SUSPEND_STATE_SUSPENDED)
- if (brcmf_usb_pnp(devinfo, BCMFMAC_USB_PNP_RESUME) != 0) {
- brcmf_dbg(ERROR, "Could not Resume the bus!\n");
- return -EIO;
- }
-
- devinfo->activity = true;
size = len;
devinfo->ctl_write.wLength = cpu_to_le16p(&size);
devinfo->ctl_urb->transfer_buffer_length = size;
@@ -305,7 +203,7 @@ brcmf_usb_send_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len)
ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC);
if (ret < 0)
- brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret);
+ brcmf_err("usb_submit_urb failed %d\n", ret);
return ret;
}
@@ -316,6 +214,7 @@ 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;
@@ -324,17 +223,9 @@ brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len)
devinfo->ctl_read.wLength = cpu_to_le16p(&size);
devinfo->ctl_urb->transfer_buffer_length = size;
- if (devinfo->rxctl_deferrespok) {
- /* BMAC model */
- devinfo->ctl_read.bRequestType = USB_DIR_IN
- | USB_TYPE_VENDOR | USB_RECIP_INTERFACE;
- devinfo->ctl_read.bRequest = DL_DEFER_RESP_OK;
- } else {
- /* full dongle model */
- devinfo->ctl_read.bRequestType = USB_DIR_IN
- | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
- devinfo->ctl_read.bRequest = 1;
- }
+ 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,
@@ -346,7 +237,7 @@ brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len)
ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC);
if (ret < 0)
- brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret);
+ brcmf_err("usb_submit_urb failed %d\n", ret);
return ret;
}
@@ -355,29 +246,26 @@ static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len)
{
int err = 0;
int timeout = 0;
- bool pending;
struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
- if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) {
- /* TODO: handle suspend/resume */
+ 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_dbg(ERROR, "fail %d bytes: %d\n", err, len);
+ brcmf_err("fail %d bytes: %d\n", err, len);
+ clear_bit(0, &devinfo->ctl_op);
return err;
}
-
- devinfo->ctl_completed = false;
- timeout = brcmf_usb_ioctl_resp_wait(devinfo, &devinfo->ctl_completed,
- &pending);
+ timeout = brcmf_usb_ioctl_resp_wait(devinfo);
clear_bit(0, &devinfo->ctl_op);
if (!timeout) {
- brcmf_dbg(ERROR, "Txctl wait timed out\n");
+ brcmf_err("Txctl wait timed out\n");
err = -EIO;
}
return err;
@@ -387,28 +275,27 @@ static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len)
{
int err = 0;
int timeout = 0;
- bool pending;
struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
- if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) {
- /* TODO: handle suspend/resume */
+ 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_dbg(ERROR, "fail %d bytes: %d\n", err, len);
+ brcmf_err("fail %d bytes: %d\n", err, len);
+ clear_bit(0, &devinfo->ctl_op);
return err;
}
- devinfo->ctl_completed = false;
- timeout = brcmf_usb_ioctl_resp_wait(devinfo, &devinfo->ctl_completed,
- &pending);
+ timeout = brcmf_usb_ioctl_resp_wait(devinfo);
err = devinfo->ctl_urb_status;
clear_bit(0, &devinfo->ctl_op);
if (!timeout) {
- brcmf_dbg(ERROR, "rxctl wait timed out\n");
+ brcmf_err("rxctl wait timed out\n");
err = -EIO;
}
if (!err)
@@ -418,7 +305,7 @@ static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len)
}
static struct brcmf_usbreq *brcmf_usb_deq(struct brcmf_usbdev_info *devinfo,
- struct list_head *q)
+ struct list_head *q, int *counter)
{
unsigned long flags;
struct brcmf_usbreq *req;
@@ -429,17 +316,22 @@ static struct brcmf_usbreq *brcmf_usb_deq(struct brcmf_usbdev_info *devinfo,
}
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)
+ 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);
}
@@ -449,11 +341,10 @@ brcmf_usbdev_qinit(struct list_head *q, int qsize)
int i;
struct brcmf_usbreq *req, *reqs;
- reqs = kzalloc(sizeof(struct brcmf_usbreq) * qsize, GFP_ATOMIC);
- if (reqs == NULL) {
- brcmf_dbg(ERROR, "fail to allocate memory!\n");
+ reqs = kcalloc(qsize, sizeof(struct brcmf_usbreq), GFP_ATOMIC);
+ if (reqs == NULL)
return NULL;
- }
+
req = reqs;
for (i = 0; i < qsize; i++) {
@@ -467,7 +358,7 @@ brcmf_usbdev_qinit(struct list_head *q, int qsize)
}
return reqs;
fail:
- brcmf_dbg(ERROR, "fail!\n");
+ brcmf_err("fail!\n");
while (!list_empty(q)) {
req = list_entry(q->next, struct brcmf_usbreq, list);
if (req && req->urb)
@@ -484,7 +375,7 @@ static void brcmf_usb_free_q(struct list_head *q, bool pending)
int i = 0;
list_for_each_entry_safe(req, next, q, list) {
if (!req->urb) {
- brcmf_dbg(ERROR, "bad req\n");
+ brcmf_err("bad req\n");
break;
}
i++;
@@ -512,17 +403,22 @@ 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);
- if (urb->status == 0)
- devinfo->bus_pub.bus->dstats.tx_packets++;
- else
- devinfo->bus_pub.bus->dstats.tx_errors++;
- dev_kfree_skb(req->skb);
+ brcmf_txcomplete(devinfo->dev, req->skb, urb->status == 0);
req->skb = NULL;
- brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req);
-
+ 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)
@@ -530,33 +426,26 @@ 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;
- int ifidx = 0;
+ brcmf_dbg(USB, "Enter, urb->status=%d\n", urb->status);
brcmf_usb_del_fromq(devinfo, req);
skb = req->skb;
req->skb = NULL;
- if (urb->status == 0) {
- devinfo->bus_pub.bus->dstats.rx_packets++;
- } else {
- devinfo->bus_pub.bus->dstats.rx_errors++;
- dev_kfree_skb(skb);
- brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req);
+ /* 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 == BCMFMAC_USB_STATE_UP) {
+ if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) {
skb_put(skb, urb->actual_length);
- if (brcmf_proto_hdrpull(devinfo->dev, &ifidx, skb) != 0) {
- brcmf_dbg(ERROR, "rx protocol error\n");
- brcmu_pkt_buf_free_skb(skb);
- devinfo->bus_pub.bus->dstats.rx_errors++;
- } else {
- brcmf_rx_packet(devinfo->dev, ifidx, skb);
- brcmf_usb_rx_refill(devinfo, req);
- }
+ brcmf_rx_frame(devinfo->dev, skb);
+ brcmf_usb_rx_refill(devinfo, req);
} else {
- dev_kfree_skb(skb);
+ brcmu_pkt_buf_free_skb(skb);
+ brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL);
}
return;
@@ -573,7 +462,7 @@ static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo,
skb = dev_alloc_skb(devinfo->bus_pub.bus_mtu);
if (!skb) {
- brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req);
+ brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL);
return;
}
req->skb = skb;
@@ -581,16 +470,15 @@ static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo,
usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->rx_pipe,
skb->data, skb_tailroom(skb), brcmf_usb_rx_complete,
req);
- req->urb->transfer_flags |= URB_ZERO_PACKET;
req->devinfo = devinfo;
+ brcmf_usb_enq(devinfo, &devinfo->rx_postq, req, NULL);
ret = usb_submit_urb(req->urb, GFP_ATOMIC);
- if (ret == 0) {
- brcmf_usb_enq(devinfo, &devinfo->rx_postq, req);
- } else {
- dev_kfree_skb(req->skb);
+ 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);
+ brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL);
}
return;
}
@@ -599,11 +487,11 @@ static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info *devinfo)
{
struct brcmf_usbreq *req;
- if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) {
- brcmf_dbg(ERROR, "bus is not up\n");
+ 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)
+ while ((req = brcmf_usb_deq(devinfo, &devinfo->rx_freeq, NULL)) != NULL)
brcmf_usb_rx_refill(devinfo, req);
}
@@ -613,61 +501,25 @@ 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;
- brcmf_dbg(TRACE, "dbus state change from %d to to %d\n",
- old_state, state);
-
- /* Don't update state if it's PnP firmware re-download */
- if (state != BCMFMAC_USB_STATE_PNP_FWDL) /* TODO */
- devinfo->bus_pub.state = state;
-
- if ((old_state == BCMFMAC_USB_STATE_SLEEP)
- && (state == BCMFMAC_USB_STATE_UP)) {
- brcmf_usb_rx_fill_all(devinfo);
- }
+ devinfo->bus_pub.state = state;
/* update state of upper layer */
- if (state == BCMFMAC_USB_STATE_DOWN) {
- brcmf_dbg(INFO, "DBUS is down\n");
- bcmf_bus->state = BRCMF_BUS_DOWN;
+ 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_DATA);
} else {
- brcmf_dbg(INFO, "DBUS current state=%d\n", state);
- }
-}
-
-static void
-brcmf_usb_intr_complete(struct urb *urb)
-{
- struct brcmf_usbdev_info *devinfo =
- (struct brcmf_usbdev_info *)urb->context;
- bool killed;
-
- if (devinfo == NULL)
- return;
-
- if (unlikely(urb->status)) {
- if (devinfo->suspend_state ==
- USBOS_SUSPEND_STATE_SUSPEND_PENDING)
- killed = true;
-
- if ((urb->status == -ENOENT && (!killed))
- || urb->status == -ESHUTDOWN ||
- urb->status == -ENODEV) {
- brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_DOWN);
- }
+ brcmf_dbg(USB, "DBUS current state=%d\n", state);
}
-
- if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_DOWN) {
- brcmf_dbg(ERROR, "intr cb when DBUS down, ignoring\n");
- return;
- }
-
- if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP)
- usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC);
}
static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb)
@@ -675,20 +527,20 @@ 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;
- if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) {
- /* TODO: handle suspend/resume */
- return -EIO;
+ 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);
+ req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq,
+ &devinfo->tx_freecount);
if (!req) {
- brcmf_dbg(ERROR, "no req to send\n");
- return -ENOMEM;
- }
- if (!req->urb) {
- brcmf_dbg(ERROR, "no urb for req %p\n", req);
- return -ENOBUFS;
+ brcmf_err("no req to send\n");
+ ret = -ENOMEM;
+ goto fail;
}
req->skb = skb;
@@ -696,14 +548,27 @@ static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb)
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_usb_enq(devinfo, &devinfo->tx_postq, req);
- } else {
+ 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);
+ 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;
}
@@ -713,39 +578,12 @@ static int brcmf_usb_up(struct device *dev)
struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
u16 ifnum;
- if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_UP)
+ brcmf_dbg(USB, "Enter\n");
+ if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP)
return 0;
- /* If the USB/HSIC bus in sleep state, wake it up */
- if (devinfo->suspend_state == USBOS_SUSPEND_STATE_SUSPENDED) {
- if (brcmf_usb_pnp(devinfo, BCMFMAC_USB_PNP_RESUME) != 0) {
- brcmf_dbg(ERROR, "Could not Resume the bus!\n");
- return -EIO;
- }
- }
- devinfo->activity = true;
-
/* Success, indicate devinfo is fully up */
- brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_UP);
-
- if (devinfo->intr_urb) {
- int ret;
-
- usb_fill_int_urb(devinfo->intr_urb, devinfo->usbdev,
- devinfo->intr_pipe,
- &devinfo->intr,
- devinfo->intr_size,
- (usb_complete_t)brcmf_usb_intr_complete,
- devinfo,
- devinfo->interval);
-
- ret = usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC);
- if (ret) {
- brcmf_dbg(ERROR, "USB_SUBMIT_URB failed with status %d\n",
- ret);
- return -EINVAL;
- }
- }
+ brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_UP);
if (devinfo->ctl_urb) {
devinfo->ctl_in_pipe = usb_rcvctrlpipe(devinfo->usbdev, 0);
@@ -775,16 +613,14 @@ 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;
- brcmf_dbg(TRACE, "enter\n");
- if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_DOWN)
+ if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_DOWN)
return;
- brcmf_usb_state_change(devinfo, BCMFMAC_USB_STATE_DOWN);
- if (devinfo->intr_urb)
- usb_kill_urb(devinfo->intr_urb);
+ brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_DOWN);
if (devinfo->ctl_urb)
usb_kill_urb(devinfo->ctl_urb);
@@ -796,34 +632,14 @@ static void brcmf_usb_down(struct device *dev)
brcmf_usb_free_q(&devinfo->rx_postq, true);
}
-static int
-brcmf_usb_sync_wait(struct brcmf_usbdev_info *devinfo, u16 time)
-{
- int ret;
- int err = 0;
- int ms = time;
-
- ret = wait_event_interruptible_timeout(devinfo->wait,
- devinfo->waitdone == true, (ms * HZ / 1000));
-
- if ((devinfo->waitdone == false) || (devinfo->sync_urb_status)) {
- brcmf_dbg(ERROR, "timeout(%d) or urb err=%d\n",
- ret, devinfo->sync_urb_status);
- err = -EINVAL;
- }
- devinfo->waitdone = false;
- return err;
-}
-
static void
brcmf_usb_sync_complete(struct urb *urb)
{
struct brcmf_usbdev_info *devinfo =
(struct brcmf_usbdev_info *)urb->context;
- devinfo->waitdone = true;
- wake_up_interruptible(&devinfo->wait);
- devinfo->sync_urb_status = urb->status;
+ devinfo->ctl_completed = true;
+ brcmf_usb_ioctl_resp_wake(devinfo);
}
static bool brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd,
@@ -855,18 +671,19 @@ static bool brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd,
(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_dbg(ERROR, "usb_submit_urb failed %d\n", ret);
+ brcmf_err("usb_submit_urb failed %d\n", ret);
kfree(tmpbuf);
return false;
}
- ret = brcmf_usb_sync_wait(devinfo, BRCMF_USB_SYNC_TIMEOUT);
+ ret = brcmf_usb_ioctl_resp_wait(devinfo);
memcpy(buffer, tmpbuf, buflen);
kfree(tmpbuf);
- return (ret == 0);
+ return ret;
}
static bool
@@ -875,27 +692,25 @@ brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo)
struct bootrom_id_le id;
u32 chipid, chiprev;
- brcmf_dbg(TRACE, "enter\n");
+ 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(struct bootrom_id_le));
+ 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(INFO, "chip %x rev 0x%x\n", chipid, chiprev);
+ brcmf_dbg(USB, "chip %x rev 0x%x\n", chipid, chiprev);
else
- brcmf_dbg(INFO, "chip %d rev 0x%x\n", chipid, chiprev);
+ brcmf_dbg(USB, "chip %d rev 0x%x\n", chipid, chiprev);
if (chipid == BRCMF_POSTBOOT_ID) {
- brcmf_dbg(INFO, "firmware already downloaded\n");
- brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id,
- sizeof(struct bootrom_id_le));
+ 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;
@@ -908,38 +723,29 @@ static int
brcmf_usb_resetcfg(struct brcmf_usbdev_info *devinfo)
{
struct bootrom_id_le id;
- u16 wait = 0, wait_time;
+ u32 loop_cnt;
- brcmf_dbg(TRACE, "enter\n");
+ brcmf_dbg(USB, "Enter\n");
- if (devinfo == NULL)
- return -EINVAL;
-
- /* Give dongle chance to boot */
- wait_time = BRCMF_USB_DLIMAGE_SPINWAIT;
- while (wait < BRCMF_USB_DLIMAGE_LIMIT) {
- mdelay(wait_time);
- wait += wait_time;
+ loop_cnt = 0;
+ do {
+ mdelay(BRCMF_USB_RESET_GETVER_SPINWAIT);
+ loop_cnt++;
id.chip = cpu_to_le32(0xDEAD); /* Get the ID */
- brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id,
- sizeof(struct bootrom_id_le));
+ brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id));
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(INFO, "download done %d ms postboot chip 0x%x/rev 0x%x\n",
- wait, le32_to_cpu(id.chip), le32_to_cpu(id.chiprev));
+ 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(struct bootrom_id_le));
-
- /* XXX this wait may not be necessary */
- mdelay(BRCMF_USB_RESETCFG_SPINWAIT);
+ brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id));
return 0;
} else {
- brcmf_dbg(ERROR, "Cannot talk to Dongle. Firmware is not UP, %d ms\n",
- wait);
+ brcmf_err("Cannot talk to Dongle. Firmware is not UP, %d ms\n",
+ BRCMF_USB_RESET_GETVER_SPINWAIT * loop_cnt);
return -EINVAL;
}
}
@@ -960,13 +766,14 @@ brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info *devinfo, void *buffer, int len)
devinfo->bulk_urb->transfer_flags |= URB_ZERO_PACKET;
+ devinfo->ctl_completed = false;
ret = usb_submit_urb(devinfo->bulk_urb, GFP_ATOMIC);
if (ret) {
- brcmf_dbg(ERROR, "usb_submit_urb failed %d\n", ret);
+ brcmf_err("usb_submit_urb failed %d\n", ret);
return ret;
}
- ret = brcmf_usb_sync_wait(devinfo, BRCMF_USB_SYNC_TIMEOUT);
- return ret;
+ ret = brcmf_usb_ioctl_resp_wait(devinfo);
+ return (ret == 0);
}
static int
@@ -977,7 +784,8 @@ brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen)
struct rdl_state_le state;
u32 rdlstate, rdlbytes;
int err = 0;
- brcmf_dbg(TRACE, "fw %p, len %d\n", fw, fwlen);
+
+ brcmf_dbg(USB, "Enter, fw %p, len %d\n", fw, fwlen);
bulkchunk = kmalloc(RDL_CHUNK, GFP_ATOMIC);
if (bulkchunk == NULL) {
@@ -994,7 +802,7 @@ brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen)
/* 2) Check we are in the Waiting state */
if (rdlstate != DL_WAITING) {
- brcmf_dbg(ERROR, "Failed to DL_START\n");
+ brcmf_err("Failed to DL_START\n");
err = -EINVAL;
goto fail;
}
@@ -1023,7 +831,7 @@ brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen)
memcpy(bulkchunk, dlpos, sendlen);
if (brcmf_usb_dl_send_bulk(devinfo, bulkchunk,
sendlen)) {
- brcmf_dbg(ERROR, "send_bulk failed\n");
+ brcmf_err("send_bulk failed\n");
err = -EINVAL;
goto fail;
}
@@ -1033,7 +841,7 @@ brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen)
}
if (!brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state,
sizeof(struct rdl_state_le))) {
- brcmf_dbg(ERROR, "DL_GETSTATE Failed xxxx\n");
+ brcmf_err("DL_GETSTATE Failed xxxx\n");
err = -EINVAL;
goto fail;
}
@@ -1043,7 +851,7 @@ brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen)
/* restart if an error is reported */
if (rdlstate == DL_BAD_HDR || rdlstate == DL_BAD_CRC) {
- brcmf_dbg(ERROR, "Bad Hdr or Bad CRC state %d\n",
+ brcmf_err("Bad Hdr or Bad CRC state %d\n",
rdlstate);
err = -EINVAL;
goto fail;
@@ -1052,7 +860,7 @@ brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen)
fail:
kfree(bulkchunk);
- brcmf_dbg(TRACE, "err=%d\n", err);
+ brcmf_dbg(USB, "Exit, err=%d\n", err);
return err;
}
@@ -1060,7 +868,7 @@ static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len)
{
int err;
- brcmf_dbg(TRACE, "enter\n");
+ brcmf_dbg(USB, "Enter\n");
if (devinfo == NULL)
return -EINVAL;
@@ -1070,10 +878,10 @@ static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len)
err = brcmf_usb_dl_writeimage(devinfo, fw, len);
if (err == 0)
- devinfo->bus_pub.state = BCMFMAC_USB_STATE_DL_DONE;
+ devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_DONE;
else
- devinfo->bus_pub.state = BCMFMAC_USB_STATE_DL_PENDING;
- brcmf_dbg(TRACE, "exit: err=%d\n", err);
+ devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_FAIL;
+ brcmf_dbg(USB, "Exit, err=%d\n", err);
return err;
}
@@ -1082,7 +890,7 @@ static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo)
{
struct rdl_state_le state;
- brcmf_dbg(TRACE, "enter\n");
+ brcmf_dbg(USB, "Enter\n");
if (!devinfo)
return -EINVAL;
@@ -1102,20 +910,24 @@ static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo)
return -ENODEV;
/* The Dongle may go for re-enumeration. */
} else {
- brcmf_dbg(ERROR, "Dongle not runnable\n");
+ brcmf_err("Dongle not runnable\n");
return -EINVAL;
}
- brcmf_dbg(TRACE, "exit\n");
+ brcmf_dbg(USB, "Exit\n");
return 0;
}
static bool brcmf_usb_chip_support(int chipid, int chiprev)
{
switch(chipid) {
+ case 43143:
+ return true;
case 43235:
case 43236:
case 43238:
return (chiprev == 3);
+ case 43242:
+ return true;
default:
break;
}
@@ -1128,7 +940,7 @@ brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo)
int devid, chiprev;
int err;
- brcmf_dbg(TRACE, "enter\n");
+ brcmf_dbg(USB, "Enter\n");
if (devinfo == NULL)
return -ENODEV;
@@ -1136,46 +948,37 @@ brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo)
chiprev = devinfo->bus_pub.chiprev;
if (!brcmf_usb_chip_support(devid, chiprev)) {
- brcmf_dbg(ERROR, "unsupported chip %d rev %d\n",
+ brcmf_err("unsupported chip %d rev %d\n",
devid, chiprev);
return -EINVAL;
}
if (!devinfo->image) {
- brcmf_dbg(ERROR, "No firmware!\n");
+ brcmf_err("No firmware!\n");
return -ENOENT;
}
err = brcmf_usb_dlstart(devinfo,
- devinfo->image, devinfo->image_len);
+ (u8 *)devinfo->image, devinfo->image_len);
if (err == 0)
err = brcmf_usb_dlrun(devinfo);
return err;
}
-static void brcmf_usb_detach(const struct brcmf_usbdev *bus_pub)
+static void brcmf_usb_detach(struct brcmf_usbdev_info *devinfo)
{
- struct brcmf_usbdev_info *devinfo =
- (struct brcmf_usbdev_info *)bus_pub;
-
- brcmf_dbg(TRACE, "devinfo %p\n", devinfo);
-
- /* store the image globally */
- g_image.data = devinfo->image;
- g_image.len = devinfo->image_len;
+ 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->intr_urb);
usb_free_urb(devinfo->ctl_urb);
usb_free_urb(devinfo->bulk_urb);
kfree(devinfo->tx_reqs);
kfree(devinfo->rx_reqs);
- kfree(devinfo);
}
#define TRX_MAGIC 0x30524448 /* "HDR0" */
@@ -1199,6 +1002,7 @@ 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))
@@ -1213,74 +1017,38 @@ static int check_file(const u8 *headers)
return -1;
}
-static int brcmf_usb_get_fw(struct brcmf_usbdev_info *devinfo)
+static const char *brcmf_usb_get_fwname(struct brcmf_usbdev_info *devinfo)
{
- s8 *fwname;
- const struct firmware *fw;
- int err;
-
- devinfo->image = g_image.data;
- devinfo->image_len = g_image.len;
-
- /*
- * if we have an image we can leave here.
- */
- if (devinfo->image)
- return 0;
-
- fwname = BRCMF_USB_43236_FW_NAME;
-
- err = request_firmware(&fw, fwname, devinfo->dev);
- if (!fw) {
- brcmf_dbg(ERROR, "fail to request firmware %s\n", fwname);
- return err;
- }
- if (check_file(fw->data) < 0) {
- brcmf_dbg(ERROR, "invalid firmware %s\n", fwname);
- return -EINVAL;
+ switch (devinfo->bus_pub.devid) {
+ case 43143:
+ return BRCMF_USB_43143_FW_NAME;
+ case 43235:
+ case 43236:
+ case 43238:
+ return BRCMF_USB_43236_FW_NAME;
+ case 43242:
+ return BRCMF_USB_43242_FW_NAME;
+ default:
+ return NULL;
}
-
- devinfo->image = vmalloc(fw->size); /* plus nvram */
- if (!devinfo->image)
- return -ENOMEM;
-
- memcpy(devinfo->image, fw->data, fw->size);
- devinfo->image_len = fw->size;
-
- release_firmware(fw);
- return 0;
}
static
-struct brcmf_usbdev *brcmf_usb_attach(int nrxq, int ntxq, struct device *dev)
+struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo,
+ int nrxq, int ntxq)
{
- struct brcmf_usbdev_info *devinfo;
-
- devinfo = kzalloc(sizeof(struct brcmf_usbdev_info), GFP_ATOMIC);
- if (devinfo == NULL)
- return NULL;
+ 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->dev = dev;
- devinfo->usbdev = usbdev_probe_info.usb;
- devinfo->tx_pipe = usbdev_probe_info.tx_pipe;
- devinfo->rx_pipe = usbdev_probe_info.rx_pipe;
- devinfo->rx_pipe2 = usbdev_probe_info.rx_pipe2;
- devinfo->intr_pipe = usbdev_probe_info.intr_pipe;
-
- devinfo->interval = usbdev_probe_info.interval;
- devinfo->intr_size = usbdev_probe_info.intr_size;
-
- memcpy(&devinfo->probe_info, &usbdev_probe_info,
- sizeof(struct brcmf_usb_probe_info));
devinfo->bus_pub.bus_mtu = BRCMF_USB_MAX_PKT_SIZE;
/* Initialize other structure content */
@@ -1288,6 +1056,7 @@ struct brcmf_usbdev *brcmf_usb_attach(int nrxq, int ntxq, struct device *dev)
/* 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);
@@ -1295,6 +1064,8 @@ struct brcmf_usbdev *brcmf_usb_attach(int nrxq, int ntxq, struct device *dev)
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;
@@ -1302,57 +1073,105 @@ struct brcmf_usbdev *brcmf_usb_attach(int nrxq, int ntxq, struct device *dev)
devinfo->tx_reqs = brcmf_usbdev_qinit(&devinfo->tx_freeq, ntxq);
if (!devinfo->tx_reqs)
goto error;
+ devinfo->tx_freecount = ntxq;
- devinfo->intr_urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!devinfo->intr_urb) {
- brcmf_dbg(ERROR, "usb_alloc_urb (intr) failed\n");
- goto error;
- }
devinfo->ctl_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!devinfo->ctl_urb) {
- brcmf_dbg(ERROR, "usb_alloc_urb (ctl) failed\n");
+ brcmf_err("usb_alloc_urb (ctl) failed\n");
goto error;
}
- devinfo->rxctl_deferrespok = 0;
-
devinfo->bulk_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!devinfo->bulk_urb) {
- brcmf_dbg(ERROR, "usb_alloc_urb (bulk) failed\n");
+ brcmf_err("usb_alloc_urb (bulk) failed\n");
goto error;
}
- init_waitqueue_head(&devinfo->wait);
- if (!brcmf_usb_dlneeded(devinfo))
- return &devinfo->bus_pub;
+ return &devinfo->bus_pub;
+
+error:
+ brcmf_err("failed!\n");
+ brcmf_usb_detach(devinfo);
+ return NULL;
+}
+
+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,
+};
+
+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;
+}
- brcmf_dbg(TRACE, "start fw downloading\n");
- if (brcmf_usb_get_fw(devinfo))
+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");
+ ret = check_file(fw->data);
+ if (ret < 0) {
+ brcmf_err("invalid firmware\n");
+ release_firmware(fw);
goto error;
+ }
+
+ devinfo = bus->bus_priv.usb->devinfo;
+ devinfo->image = fw->data;
+ devinfo->image_len = fw->size;
- if (brcmf_usb_fw_download(devinfo))
+ ret = brcmf_usb_fw_download(devinfo);
+ release_firmware(fw);
+ if (ret)
goto error;
- return &devinfo->bus_pub;
+ ret = brcmf_usb_bus_setup(devinfo);
+ if (ret)
+ goto error;
+ return;
error:
- brcmf_dbg(ERROR, "failed!\n");
- brcmf_usb_detach(&devinfo->bus_pub);
- return NULL;
+ brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), ret);
+ device_release_driver(dev);
}
-static int brcmf_usb_probe_cb(struct device *dev, const char *desc,
- u32 bustype, u32 hdrlen)
+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;
-
- bus_pub = brcmf_usb_attach(BRCMF_USB_NRXQ, BRCMF_USB_NTXQ, dev);
- if (!bus_pub) {
- ret = -ENODEV;
- goto fail;
- }
+ 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) {
@@ -1360,50 +1179,44 @@ static int brcmf_usb_probe_cb(struct device *dev, const char *desc,
goto fail;
}
+ bus->dev = dev;
bus_pub->bus = bus;
- bus->brcmf_bus_txdata = brcmf_usb_tx;
- bus->brcmf_bus_init = brcmf_usb_up;
- bus->brcmf_bus_stop = brcmf_usb_down;
- bus->brcmf_bus_txctl = brcmf_usb_tx_ctlpkt;
- bus->brcmf_bus_rxctl = brcmf_usb_rx_ctlpkt;
- bus->type = bustype;
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;
- /* Attach to the common driver interface */
- ret = brcmf_attach(hdrlen, dev);
- if (ret) {
- brcmf_dbg(ERROR, "dhd_attach failed\n");
- goto fail;
- }
-
- ret = brcmf_bus_start(dev);
- if (ret == -ENOLINK) {
- brcmf_dbg(ERROR, "dongle is not responding\n");
- brcmf_detach(dev);
- goto fail;
+ if (!brcmf_usb_dlneeded(devinfo)) {
+ ret = brcmf_usb_bus_setup(devinfo);
+ if (ret)
+ goto fail;
}
+ bus->chip = bus_pub->devid;
+ bus->chiprev = bus_pub->chiprev;
+ /* request firmware here */
+ brcmf_fw_get_firmwares(dev, 0, brcmf_usb_get_fwname(devinfo), NULL,
+ brcmf_usb_probe_phase2);
return 0;
+
fail:
/* Release resources in reverse order */
- if (bus_pub)
- brcmf_usb_detach(bus_pub);
kfree(bus);
+ brcmf_usb_detach(devinfo);
return ret;
}
static void
-brcmf_usb_disconnect_cb(struct brcmf_usbdev *bus_pub)
+brcmf_usb_disconnect_cb(struct brcmf_usbdev_info *devinfo)
{
- if (!bus_pub)
+ if (!devinfo)
return;
- brcmf_dbg(TRACE, "enter: bus_pub %p\n", bus_pub);
-
- brcmf_detach(bus_pub->devinfo->dev);
- kfree(bus_pub->bus);
- brcmf_usb_detach(bus_pub);
+ brcmf_dbg(USB, "Enter, bus_pub %p\n", devinfo);
+ brcmf_detach(devinfo->dev);
+ kfree(devinfo->bus_pub.bus);
+ brcmf_usb_detach(devinfo);
}
static int
@@ -1415,18 +1228,18 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
struct usb_device *usb = interface_to_usbdev(intf);
int num_of_eps;
u8 endpoint_num;
+ struct brcmf_usbdev_info *devinfo;
- brcmf_dbg(TRACE, "enter\n");
+ brcmf_dbg(USB, "Enter\n");
- usbdev_probe_info.usb = usb;
- usbdev_probe_info.intf = intf;
+ devinfo = kzalloc(sizeof(*devinfo), GFP_ATOMIC);
+ if (devinfo == NULL)
+ return -ENOMEM;
- if (id != NULL) {
- usbdev_probe_info.vid = id->idVendor;
- usbdev_probe_info.pid = id->idProduct;
- }
+ devinfo->usbdev = usb;
+ devinfo->dev = &usb->dev;
- usb_set_intfdata(intf, &usbdev_probe_info);
+ usb_set_intfdata(intf, devinfo);
/* Check that the device supports only one configuration */
if (usb->descriptor.bNumConfigurations != 1) {
@@ -1456,7 +1269,7 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
if (IFDESC(usb, CONTROL_IF).bInterfaceClass != USB_CLASS_VENDOR_SPEC ||
IFDESC(usb, CONTROL_IF).bInterfaceSubClass != 2 ||
IFDESC(usb, CONTROL_IF).bInterfaceProtocol != 0xff) {
- brcmf_dbg(ERROR, "invalid control interface: class %d, subclass %d, proto %d\n",
+ brcmf_err("invalid control interface: class %d, subclass %d, proto %d\n",
IFDESC(usb, CONTROL_IF).bInterfaceClass,
IFDESC(usb, CONTROL_IF).bInterfaceSubClass,
IFDESC(usb, CONTROL_IF).bInterfaceProtocol);
@@ -1468,18 +1281,15 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
endpoint = &IFEPDESC(usb, CONTROL_IF, 0);
if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
!= USB_ENDPOINT_XFER_INT) {
- brcmf_dbg(ERROR, "invalid control endpoint %d\n",
+ brcmf_err("invalid control endpoint %d\n",
endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK);
ret = -1;
goto fail;
}
- endpoint_num = endpoint->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
- usbdev_probe_info.intr_pipe = usb_rcvintpipe(usb, endpoint_num);
-
- usbdev_probe_info.rx_pipe = 0;
- usbdev_probe_info.rx_pipe2 = 0;
- usbdev_probe_info.tx_pipe = 0;
+ devinfo->rx_pipe = 0;
+ devinfo->rx_pipe2 = 0;
+ devinfo->tx_pipe = 0;
num_of_eps = IFDESC(usb, BULK_IF).bNumEndpoints - 1;
/* Check data endpoints and get pipes */
@@ -1487,7 +1297,7 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
endpoint = &IFEPDESC(usb, BULK_IF, ep);
if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) !=
USB_ENDPOINT_XFER_BULK) {
- brcmf_dbg(ERROR, "invalid data endpoint %d\n", ep);
+ brcmf_err("invalid data endpoint %d\n", ep);
ret = -1;
goto fail;
}
@@ -1496,35 +1306,26 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
USB_ENDPOINT_NUMBER_MASK;
if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
== USB_DIR_IN) {
- if (!usbdev_probe_info.rx_pipe) {
- usbdev_probe_info.rx_pipe =
+ if (!devinfo->rx_pipe) {
+ devinfo->rx_pipe =
usb_rcvbulkpipe(usb, endpoint_num);
} else {
- usbdev_probe_info.rx_pipe2 =
+ devinfo->rx_pipe2 =
usb_rcvbulkpipe(usb, endpoint_num);
}
} else {
- usbdev_probe_info.tx_pipe =
- usb_sndbulkpipe(usb, endpoint_num);
+ devinfo->tx_pipe = usb_sndbulkpipe(usb, endpoint_num);
}
}
- /* Allocate interrupt URB and data buffer */
- /* RNDIS says 8-byte intr, our old drivers used 4-byte */
- if (IFEPDESC(usb, CONTROL_IF, 0).wMaxPacketSize == cpu_to_le16(16))
- usbdev_probe_info.intr_size = 8;
+ if (usb->speed == USB_SPEED_SUPER)
+ brcmf_dbg(USB, "Broadcom super speed USB wireless device detected\n");
+ else if (usb->speed == USB_SPEED_HIGH)
+ brcmf_dbg(USB, "Broadcom high speed USB wireless device detected\n");
else
- usbdev_probe_info.intr_size = 4;
+ brcmf_dbg(USB, "Broadcom full speed USB wireless device detected\n");
- usbdev_probe_info.interval = IFEPDESC(usb, CONTROL_IF, 0).bInterval;
-
- usbdev_probe_info.device_speed = usb->speed;
- if (usb->speed == USB_SPEED_HIGH)
- brcmf_dbg(INFO, "Broadcom high speed USB wireless device detected\n");
- else
- brcmf_dbg(INFO, "Broadcom full speed USB wireless device detected\n");
-
- ret = brcmf_usb_probe_cb(&usb->dev, "", USB_BUS, 0);
+ ret = brcmf_usb_probe_cb(devinfo);
if (ret)
goto fail;
@@ -1532,7 +1333,8 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
return 0;
fail:
- brcmf_dbg(ERROR, "failed with errno %d\n", ret);
+ brcmf_err("failed with errno %d\n", ret);
+ kfree(devinfo);
usb_set_intfdata(intf, NULL);
return ret;
@@ -1541,55 +1343,72 @@ fail:
static void
brcmf_usb_disconnect(struct usb_interface *intf)
{
- struct usb_device *usb = interface_to_usbdev(intf);
+ struct brcmf_usbdev_info *devinfo;
- brcmf_dbg(TRACE, "enter\n");
- brcmf_usb_disconnect_cb(brcmf_usb_get_buspub(&usb->dev));
- usb_set_intfdata(intf, NULL);
+ brcmf_dbg(USB, "Enter\n");
+ devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf);
+ brcmf_usb_disconnect_cb(devinfo);
+ kfree(devinfo);
+ brcmf_dbg(USB, "Exit\n");
}
/*
- * only need to signal the bus being down and update the suspend state.
+ * 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(TRACE, "enter\n");
- devinfo->bus_pub.state = BCMFMAC_USB_STATE_DOWN;
- devinfo->suspend_state = USBOS_SUSPEND_STATE_SUSPENDED;
+ brcmf_dbg(USB, "Enter\n");
+ devinfo->bus_pub.state = BRCMFMAC_USB_STATE_SLEEP;
+ brcmf_detach(&usb->dev);
return 0;
}
/*
- * mark suspend state active and crank up the bus.
+ * (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(TRACE, "enter\n");
- devinfo->suspend_state = USBOS_SUSPEND_STATE_DEVICE_ACTIVE;
- brcmf_bus_start(&usb->dev);
- return 0;
+ brcmf_dbg(USB, "Enter\n");
+ return brcmf_usb_bus_setup(devinfo);
+}
+
+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_VENDOR_ID_BROADCOM 0x0a5c
+#define BRCMF_USB_DEVICE_ID_43143 0xbd1e
#define BRCMF_USB_DEVICE_ID_43236 0xbd17
+#define BRCMF_USB_DEVICE_ID_43242 0xbd1f
#define BRCMF_USB_DEVICE_ID_BCMFW 0x0bdc
static struct usb_device_id brcmf_usb_devid_table[] = {
+ { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_43143) },
{ USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_43236) },
+ { USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_43242) },
/* special entry for device with firmware loaded and running */
{ USB_DEVICE(BRCMF_USB_VENDOR_ID_BROADCOM, BRCMF_USB_DEVICE_ID_BCMFW) },
{ }
};
+
MODULE_DEVICE_TABLE(usb, brcmf_usb_devid_table);
+MODULE_FIRMWARE(BRCMF_USB_43143_FW_NAME);
MODULE_FIRMWARE(BRCMF_USB_43236_FW_NAME);
+MODULE_FIRMWARE(BRCMF_USB_43242_FW_NAME);
-/* TODO: suspend and resume entries */
static struct usb_driver brcmf_usbdrvr = {
.name = KBUILD_MODNAME,
.probe = brcmf_usb_probe,
@@ -1597,19 +1416,33 @@ static struct usb_driver brcmf_usbdrvr = {
.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);
- vfree(g_image.data);
- g_image.data = NULL;
- g_image.len = 0;
}
-void brcmf_usb_init(void)
+void brcmf_usb_register(void)
{
+ brcmf_dbg(USB, "Enter\n");
usb_register(&brcmf_usbdrvr);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 23:10:37 +0000