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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.c404
1 files changed, 175 insertions, 229 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
index 7a6dfdc..914c56f 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
@@ -14,24 +14,12 @@
* 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>
@@ -42,14 +30,11 @@
#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
@@ -70,16 +55,6 @@
#define BRCMF_USB_43236_FW_NAME "brcm/brcmfmac43236b.bin"
#define BRCMF_USB_43242_FW_NAME "brcm/brcmfmac43242a.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_image {
struct list_head list;
s8 *fwname;
@@ -100,10 +75,8 @@ 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;
- bool activity;
int rx_low_watermark;
int tx_low_watermark;
int tx_high_watermark;
@@ -116,10 +89,6 @@ struct brcmf_usbdev_info {
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;
@@ -131,7 +100,6 @@ 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;
struct urb *bulk_urb; /* used for FW download */
@@ -176,6 +144,7 @@ static void brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo)
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;
@@ -203,6 +172,7 @@ 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);
@@ -214,33 +184,22 @@ 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;
@@ -257,7 +216,7 @@ 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;
}
@@ -268,6 +227,7 @@ 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;
@@ -290,7 +250,7 @@ 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;
}
@@ -301,10 +261,9 @@ static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len)
int timeout = 0;
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;
@@ -312,14 +271,14 @@ static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len)
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;
}
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;
@@ -331,17 +290,17 @@ static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len)
int timeout = 0;
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;
}
@@ -349,7 +308,7 @@ static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len)
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)
@@ -397,7 +356,7 @@ brcmf_usbdev_qinit(struct list_head *q, int qsize)
reqs = kzalloc(sizeof(struct brcmf_usbreq) * qsize, GFP_ATOMIC);
if (reqs == NULL) {
- brcmf_dbg(ERROR, "fail to allocate memory!\n");
+ brcmf_err("fail to allocate memory!\n");
return NULL;
}
req = reqs;
@@ -413,7 +372,7 @@ 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)
@@ -430,7 +389,7 @@ 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++;
@@ -459,6 +418,8 @@ 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;
+ 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++;
@@ -484,6 +445,7 @@ static void brcmf_usb_rx_complete(struct urb *urb)
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;
@@ -497,10 +459,10 @@ static void brcmf_usb_rx_complete(struct urb *urb)
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");
+ brcmf_err("rx protocol error\n");
brcmu_pkt_buf_free_skb(skb);
devinfo->bus_pub.bus->dstats.rx_errors++;
} else
@@ -550,8 +512,8 @@ 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)) != NULL)
@@ -564,29 +526,24 @@ 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");
+ if (state == BRCMFMAC_USB_STATE_DOWN) {
+ brcmf_dbg(USB, "DBUS is down\n");
bcmf_bus->state = BRCMF_BUS_DOWN;
+ } else if (state == BRCMFMAC_USB_STATE_UP) {
+ brcmf_dbg(USB, "DBUS is up\n");
+ bcmf_bus->state = BRCMF_BUS_DATA;
} else {
- brcmf_dbg(INFO, "DBUS current state=%d\n", state);
+ brcmf_dbg(USB, "DBUS current state=%d\n", state);
}
}
@@ -595,30 +552,32 @@ brcmf_usb_intr_complete(struct urb *urb)
{
struct brcmf_usbdev_info *devinfo =
(struct brcmf_usbdev_info *)urb->context;
- bool killed;
+ int err;
+
+ brcmf_dbg(USB, "Enter, urb->status=%d\n", urb->status);
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);
+ if (urb->status == -ENOENT ||
+ urb->status == -ESHUTDOWN ||
+ urb->status == -ENODEV) {
+ brcmf_usb_state_change(devinfo,
+ BRCMFMAC_USB_STATE_DOWN);
}
}
- if (devinfo->bus_pub.state == BCMFMAC_USB_STATE_DOWN) {
- brcmf_dbg(ERROR, "intr cb when DBUS down, ignoring\n");
+ if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_DOWN) {
+ brcmf_err("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);
+ if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) {
+ err = usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC);
+ if (err)
+ brcmf_err("usb_submit_urb, err=%d\n", err);
+ }
}
static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb)
@@ -627,16 +586,15 @@ static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb)
struct brcmf_usbreq *req;
int ret;
- if (devinfo->bus_pub.state != BCMFMAC_USB_STATE_UP) {
- /* TODO: handle suspend/resume */
+ brcmf_dbg(USB, "Enter, skb=%p\n", skb);
+ if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP)
return -EIO;
- }
req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq,
&devinfo->tx_freecount);
if (!req) {
brcmu_pkt_buf_free_skb(skb);
- brcmf_dbg(ERROR, "no req to send\n");
+ brcmf_err("no req to send\n");
return -ENOMEM;
}
@@ -648,7 +606,7 @@ static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb)
brcmf_usb_enq(devinfo, &devinfo->tx_postq, req, NULL);
ret = usb_submit_urb(req->urb, GFP_ATOMIC);
if (ret) {
- brcmf_dbg(ERROR, "brcmf_usb_tx usb_submit_urb FAILED\n");
+ brcmf_err("brcmf_usb_tx usb_submit_urb FAILED\n");
brcmf_usb_del_fromq(devinfo, req);
brcmu_pkt_buf_free_skb(req->skb);
req->skb = NULL;
@@ -670,25 +628,16 @@ static int brcmf_usb_up(struct device *dev)
{
struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
u16 ifnum;
+ int ret;
- 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);
+ brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_UP);
if (devinfo->intr_urb) {
- int ret;
-
usb_fill_int_urb(devinfo->intr_urb, devinfo->usbdev,
devinfo->intr_pipe,
&devinfo->intr,
@@ -699,7 +648,7 @@ static int brcmf_usb_up(struct device *dev)
ret = usb_submit_urb(devinfo->intr_urb, GFP_ATOMIC);
if (ret) {
- brcmf_dbg(ERROR, "USB_SUBMIT_URB failed with status %d\n",
+ brcmf_err("USB_SUBMIT_URB failed with status %d\n",
ret);
return -EINVAL;
}
@@ -733,14 +682,14 @@ 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);
+ brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_DOWN);
if (devinfo->intr_urb)
usb_kill_urb(devinfo->intr_urb);
@@ -754,34 +703,14 @@ 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,
@@ -813,18 +742,19 @@ 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
@@ -833,27 +763,25 @@ 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;
@@ -866,38 +794,29 @@ static int
brcmf_usb_resetcfg(struct brcmf_usbdev_info *devinfo)
{
struct bootrom_id_le id;
- u16 wait = 0, wait_time;
-
- brcmf_dbg(TRACE, "enter\n");
+ u32 loop_cnt;
- if (devinfo == NULL)
- return -EINVAL;
+ brcmf_dbg(USB, "Enter\n");
- /* 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_usb_dl_cmd(devinfo, DL_RESETCFG, &id,
- sizeof(struct bootrom_id_le));
+ brcmf_dbg(USB, "postboot chip 0x%x/rev 0x%x\n",
+ le32_to_cpu(id.chip), le32_to_cpu(id.chiprev));
- /* 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;
}
}
@@ -918,13 +837,14 @@ 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
@@ -935,7 +855,8 @@ 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) {
@@ -952,7 +873,7 @@ 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;
}
@@ -981,7 +902,7 @@ 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;
}
@@ -991,7 +912,7 @@ 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;
}
@@ -1001,7 +922,7 @@ 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;
@@ -1010,7 +931,7 @@ 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;
}
@@ -1018,7 +939,7 @@ 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;
@@ -1028,10 +949,10 @@ 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;
}
@@ -1040,7 +961,7 @@ 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;
@@ -1060,10 +981,10 @@ 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;
}
@@ -1090,7 +1011,7 @@ 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;
@@ -1098,13 +1019,13 @@ 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;
}
@@ -1118,7 +1039,7 @@ brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo)
static void brcmf_usb_detach(struct brcmf_usbdev_info *devinfo)
{
- brcmf_dbg(TRACE, "devinfo %p\n", devinfo);
+ brcmf_dbg(USB, "Enter, devinfo %p\n", devinfo);
/* free the URBS */
brcmf_usb_free_q(&devinfo->rx_freeq, false);
@@ -1153,6 +1074,7 @@ 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))
@@ -1174,6 +1096,7 @@ static int brcmf_usb_get_fw(struct brcmf_usbdev_info *devinfo)
struct brcmf_usb_image *fw_image;
int err;
+ brcmf_dbg(USB, "Enter\n");
switch (devinfo->bus_pub.devid) {
case 43143:
fwname = BRCMF_USB_43143_FW_NAME;
@@ -1190,7 +1113,7 @@ static int brcmf_usb_get_fw(struct brcmf_usbdev_info *devinfo)
return -EINVAL;
break;
}
-
+ brcmf_dbg(USB, "Loading FW %s\n", fwname);
list_for_each_entry(fw_image, &fw_image_list, list) {
if (fw_image->fwname == fwname) {
devinfo->image = fw_image->image;
@@ -1201,11 +1124,11 @@ static int brcmf_usb_get_fw(struct brcmf_usbdev_info *devinfo)
/* fw image not yet loaded. Load it now and add to list */
err = request_firmware(&fw, fwname, devinfo->dev);
if (!fw) {
- brcmf_dbg(ERROR, "fail to request firmware %s\n", fwname);
+ brcmf_err("fail to request firmware %s\n", fwname);
return err;
}
if (check_file(fw->data) < 0) {
- brcmf_dbg(ERROR, "invalid firmware %s\n", fwname);
+ brcmf_err("invalid firmware %s\n", fwname);
return -EINVAL;
}
@@ -1235,10 +1158,13 @@ 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;
@@ -1270,25 +1196,24 @@ struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo,
devinfo->intr_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!devinfo->intr_urb) {
- brcmf_dbg(ERROR, "usb_alloc_urb (intr) failed\n");
+ brcmf_err("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->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;
- brcmf_dbg(TRACE, "start fw downloading\n");
+ brcmf_dbg(USB, "Start fw downloading\n");
if (brcmf_usb_get_fw(devinfo))
goto error;
@@ -1298,19 +1223,27 @@ struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo,
return &devinfo->bus_pub;
error:
- brcmf_dbg(ERROR, "failed!\n");
+ brcmf_err("failed!\n");
brcmf_usb_detach(devinfo);
return NULL;
}
-static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo,
- const char *desc, u32 bustype, u32 hdrlen)
+static struct brcmf_bus_ops brcmf_usb_bus_ops = {
+ .txdata = brcmf_usb_tx,
+ .init = brcmf_usb_up,
+ .stop = brcmf_usb_down,
+ .txctl = brcmf_usb_tx_ctlpkt,
+ .rxctl = brcmf_usb_rx_ctlpkt,
+};
+
+static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo)
{
struct brcmf_bus *bus = NULL;
struct brcmf_usbdev *bus_pub = NULL;
int ret;
struct device *dev = devinfo->dev;
+ brcmf_dbg(USB, "Enter\n");
bus_pub = brcmf_usb_attach(devinfo, BRCMF_USB_NRXQ, BRCMF_USB_NTXQ);
if (!bus_pub)
return -ENODEV;
@@ -1321,26 +1254,22 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo,
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;
/* Attach to the common driver interface */
- ret = brcmf_attach(hdrlen, dev);
+ ret = brcmf_attach(0, dev);
if (ret) {
- brcmf_dbg(ERROR, "dhd_attach failed\n");
+ brcmf_err("brcmf_attach failed\n");
goto fail;
}
ret = brcmf_bus_start(dev);
if (ret) {
- brcmf_dbg(ERROR, "dongle is not responding\n");
+ brcmf_err("dongle is not responding\n");
brcmf_detach(dev);
goto fail;
}
@@ -1358,7 +1287,7 @@ brcmf_usb_disconnect_cb(struct brcmf_usbdev_info *devinfo)
{
if (!devinfo)
return;
- brcmf_dbg(TRACE, "enter: bus_pub %p\n", devinfo);
+ brcmf_dbg(USB, "Enter, bus_pub %p\n", devinfo);
brcmf_detach(devinfo->dev);
kfree(devinfo->bus_pub.bus);
@@ -1376,7 +1305,7 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
u8 endpoint_num;
struct brcmf_usbdev_info *devinfo;
- brcmf_dbg(TRACE, "enter\n");
+ brcmf_dbg(USB, "Enter\n");
devinfo = kzalloc(sizeof(*devinfo), GFP_ATOMIC);
if (devinfo == NULL)
@@ -1415,7 +1344,7 @@ 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);
@@ -1427,7 +1356,7 @@ 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;
@@ -1446,7 +1375,7 @@ 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;
}
@@ -1477,11 +1406,11 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
devinfo->interval = IFEPDESC(usb, CONTROL_IF, 0).bInterval;
if (usb->speed == USB_SPEED_HIGH)
- brcmf_dbg(INFO, "Broadcom high speed USB wireless device detected\n");
+ brcmf_dbg(USB, "Broadcom high speed USB wireless device detected\n");
else
- brcmf_dbg(INFO, "Broadcom full speed USB wireless device detected\n");
+ brcmf_dbg(USB, "Broadcom full speed USB wireless device detected\n");
- ret = brcmf_usb_probe_cb(devinfo, "", USB_BUS, 0);
+ ret = brcmf_usb_probe_cb(devinfo);
if (ret)
goto fail;
@@ -1489,7 +1418,7 @@ 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;
@@ -1501,40 +1430,55 @@ brcmf_usb_disconnect(struct usb_interface *intf)
{
struct brcmf_usbdev_info *devinfo;
- brcmf_dbg(TRACE, "enter\n");
+ 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);
+ brcmf_dbg(USB, "Enter\n");
+ if (!brcmf_attach(0, devinfo->dev))
+ return brcmf_bus_start(&usb->dev);
+
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");
+
+ if (!brcmf_usb_fw_download(devinfo))
+ return brcmf_usb_resume(intf);
+
+ return -EIO;
+}
+
#define BRCMF_USB_VENDOR_ID_BROADCOM 0x0a5c
#define BRCMF_USB_DEVICE_ID_43143 0xbd1e
#define BRCMF_USB_DEVICE_ID_43236 0xbd17
@@ -1554,7 +1498,6 @@ 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,
@@ -1562,6 +1505,7 @@ 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,
};
@@ -1579,12 +1523,14 @@ static void brcmf_release_fw(struct list_head *q)
void brcmf_usb_exit(void)
{
+ brcmf_dbg(USB, "Enter\n");
usb_deregister(&brcmf_usbdrvr);
brcmf_release_fw(&fw_image_list);
}
void brcmf_usb_init(void)
{
+ brcmf_dbg(USB, "Enter\n");
INIT_LIST_HEAD(&fw_image_list);
usb_register(&brcmf_usbdrvr);
}
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