- 根目录:
- drivers
- staging
- bcm
- InterfaceInit.c
#include "headers.h"
static struct usb_device_id InterfaceUsbtable[] = {
{ USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3) },
{ USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3B) },
{ USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3L) },
{ USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_SM250) },
{ USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_226) },
{ USB_DEVICE(BCM_USB_VENDOR_ID_FOXCONN, BCM_USB_PRODUCT_ID_1901) },
{ USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_ZTE_TU25) },
{ }
};
MODULE_DEVICE_TABLE(usb, InterfaceUsbtable);
static int debug = -1;
module_param(debug, uint, 0600);
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
static const u32 default_msg =
NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
| NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR
| NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
static int InterfaceAdapterInit(PS_INTERFACE_ADAPTER Adapter);
static void InterfaceAdapterFree(PS_INTERFACE_ADAPTER psIntfAdapter)
{
int i = 0;
/* Wake up the wait_queue... */
if (psIntfAdapter->psAdapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
psIntfAdapter->psAdapter->DriverState = DRIVER_HALT;
wake_up(&psIntfAdapter->psAdapter->LEDInfo.notify_led_event);
}
reset_card_proc(psIntfAdapter->psAdapter);
/*
* worst case time taken by the RDM/WRM will be 5 sec. will check after every 100 ms
* to accertain the device is not being accessed. After this No RDM/WRM should be made.
*/
while (psIntfAdapter->psAdapter->DeviceAccess) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"Device is being accessed.\n");
msleep(100);
}
/* Free interrupt URB */
/* psIntfAdapter->psAdapter->device_removed = TRUE; */
usb_free_urb(psIntfAdapter->psInterruptUrb);
/* Free transmit URBs */
for (i = 0; i < MAXIMUM_USB_TCB; i++) {
if (psIntfAdapter->asUsbTcb[i].urb != NULL) {
usb_free_urb(psIntfAdapter->asUsbTcb[i].urb);
psIntfAdapter->asUsbTcb[i].urb = NULL;
}
}
/* Free receive URB and buffers */
for (i = 0; i < MAXIMUM_USB_RCB; i++) {
if (psIntfAdapter->asUsbRcb[i].urb != NULL) {
kfree(psIntfAdapter->asUsbRcb[i].urb->transfer_buffer);
usb_free_urb(psIntfAdapter->asUsbRcb[i].urb);
psIntfAdapter->asUsbRcb[i].urb = NULL;
}
}
AdapterFree(psIntfAdapter->psAdapter);
}
static void ConfigureEndPointTypesThroughEEPROM(PMINI_ADAPTER Adapter)
{
unsigned long ulReg = 0;
int ret;
/* Program EP2 MAX_PKT_SIZE */
ulReg = ntohl(EP2_MPS_REG);
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x128, 4, TRUE);
ulReg = ntohl(EP2_MPS);
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x12C, 4, TRUE);
ulReg = ntohl(EP2_CFG_REG);
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x132, 4, TRUE);
if (((PS_INTERFACE_ADAPTER)(Adapter->pvInterfaceAdapter))->bHighSpeedDevice == TRUE) {
ulReg = ntohl(EP2_CFG_INT);
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x136, 4, TRUE);
} else {
/* USE BULK EP as TX in FS mode. */
ulReg = ntohl(EP2_CFG_BULK);
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x136, 4, TRUE);
}
/* Program EP4 MAX_PKT_SIZE. */
ulReg = ntohl(EP4_MPS_REG);
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x13C, 4, TRUE);
ulReg = ntohl(EP4_MPS);
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x140, 4, TRUE);
/* Program TX EP as interrupt(Alternate Setting) */
ret = rdmalt(Adapter, 0x0F0110F8, (u32 *)&ulReg, sizeof(u32));
if (ret) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"reading of Tx EP failed\n");
return;
}
ulReg |= 0x6;
ulReg = ntohl(ulReg);
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1CC, 4, TRUE);
ulReg = ntohl(EP4_CFG_REG);
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1C8, 4, TRUE);
/* Program ISOCHRONOUS EP size to zero. */
ulReg = ntohl(ISO_MPS_REG);
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1D2, 4, TRUE);
ulReg = ntohl(ISO_MPS);
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1D6, 4, TRUE);
/*
* Update EEPROM Version.
* Read 4 bytes from 508 and modify 511 and 510.
*/
ReadBeceemEEPROM(Adapter, 0x1FC, (PUINT)&ulReg);
ulReg &= 0x0101FFFF;
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1FC, 4, TRUE);
/* Update length field if required. Also make the string NULL terminated. */
ReadBeceemEEPROM(Adapter, 0xA8, (PUINT)&ulReg);
if ((ulReg&0x00FF0000)>>16 > 0x30) {
ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0xA8, 4, TRUE);
}
ReadBeceemEEPROM(Adapter, 0x148, (PUINT)&ulReg);
if ((ulReg&0x00FF0000)>>16 > 0x30) {
ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x148, 4, TRUE);
}
ulReg = 0;
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x122, 4, TRUE);
ulReg = 0;
BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1C2, 4, TRUE);
}
static int
usbbcm_device_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(intf);
int retval;
PMINI_ADAPTER psAdapter;
PS_INTERFACE_ADAPTER psIntfAdapter;
struct net_device *ndev;
/* Reserve one extra queue for the bit-bucket */
ndev = alloc_etherdev_mq(sizeof(MINI_ADAPTER), NO_OF_QUEUES+1);
if (ndev == NULL) {
dev_err(&udev->dev, DRV_NAME ": no memory for device\n");
return -ENOMEM;
}
SET_NETDEV_DEV(ndev, &intf->dev);
psAdapter = netdev_priv(ndev);
psAdapter->dev = ndev;
psAdapter->msg_enable = netif_msg_init(debug, default_msg);
/* Init default driver debug state */
psAdapter->stDebugState.debug_level = DBG_LVL_CURR;
psAdapter->stDebugState.type = DBG_TYPE_INITEXIT;
/*
* Technically, one can start using BCM_DEBUG_PRINT after this point.
* However, realize that by default the Type/Subtype bitmaps are all zero now;
* so no prints will actually appear until the TestApp turns on debug paths via
* the ioctl(); so practically speaking, in early init, no logging happens.
*
* A solution (used below): we explicitly set the bitmaps to 1 for Type=DBG_TYPE_INITEXIT
* and ALL subtype's of the same. Now all bcm debug statements get logged, enabling debug
* during early init.
* Further, we turn this OFF once init_module() completes.
*/
psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0xff;
BCM_SHOW_DEBUG_BITMAP(psAdapter);
retval = InitAdapter(psAdapter);
if (retval) {
dev_err(&udev->dev, DRV_NAME ": InitAdapter Failed\n");
AdapterFree(psAdapter);
return retval;
}
/* Allocate interface adapter structure */
psIntfAdapter = kzalloc(sizeof(S_INTERFACE_ADAPTER), GFP_KERNEL);
if (psIntfAdapter == NULL) {
dev_err(&udev->dev, DRV_NAME ": no memory for Interface adapter\n");
AdapterFree(psAdapter);
return -ENOMEM;
}
psAdapter->pvInterfaceAdapter = psIntfAdapter;
psIntfAdapter->psAdapter = psAdapter;
/* Store usb interface in Interface Adapter */
psIntfAdapter->interface = intf;
usb_set_intfdata(intf, psIntfAdapter);
BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"psIntfAdapter 0x%p\n", psIntfAdapter);
retval = InterfaceAdapterInit(psIntfAdapter);
if (retval) {
/* If the Firmware/Cfg File is not present
* then return success, let the application
* download the files.
*/
if (-ENOENT == retval) {
BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"File Not Found. Use app to download.\n");
return STATUS_SUCCESS;
}
BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"InterfaceAdapterInit failed.\n");
usb_set_intfdata(intf, NULL);
udev = interface_to_usbdev(intf);
usb_put_dev(udev);
InterfaceAdapterFree(psIntfAdapter);
return retval;
}
if (psAdapter->chip_id > T3) {
uint32_t uiNackZeroLengthInt = 4;
retval = wrmalt(psAdapter, DISABLE_USB_ZERO_LEN_INT, &uiNackZeroLengthInt, sizeof(uiNackZeroLengthInt));
if (retval)
return retval;
}
/* Check whether the USB-Device Supports remote Wake-Up */
if (USB_CONFIG_ATT_WAKEUP & udev->actconfig->desc.bmAttributes) {
/* If Suspend then only support dynamic suspend */
if (psAdapter->bDoSuspend) {
#ifdef CONFIG_PM
pm_runtime_set_autosuspend_delay(&udev->dev, 0);
intf->needs_remote_wakeup = 1;
usb_enable_autosuspend(udev);
device_init_wakeup(&intf->dev, 1);
INIT_WORK(&psIntfAdapter->usbSuspendWork, putUsbSuspend);
BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"Enabling USB Auto-Suspend\n");
#endif
} else {
intf->needs_remote_wakeup = 0;
usb_disable_autosuspend(udev);
}
}
psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0;
return retval;
}
static void usbbcm_disconnect(struct usb_interface *intf)
{
PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
PMINI_ADAPTER psAdapter;
struct usb_device *udev = interface_to_usbdev(intf);
if (psIntfAdapter == NULL)
return;
psAdapter = psIntfAdapter->psAdapter;
netif_device_detach(psAdapter->dev);
if (psAdapter->bDoSuspend)
intf->needs_remote_wakeup = 0;
psAdapter->device_removed = TRUE ;
usb_set_intfdata(intf, NULL);
InterfaceAdapterFree(psIntfAdapter);
usb_put_dev(udev);
}
static int AllocUsbCb(PS_INTERFACE_ADAPTER psIntfAdapter)
{
int i = 0;
for (i = 0; i < MAXIMUM_USB_TCB; i++) {
if ((psIntfAdapter->asUsbTcb[i].urb =
usb_alloc_urb(0, GFP_KERNEL)) == NULL) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
"Can't allocate Tx urb for index %d\n", i);
return -ENOMEM;
}
}
for (i = 0; i < MAXIMUM_USB_RCB; i++) {
if ((psIntfAdapter->asUsbRcb[i].urb =
usb_alloc_urb(0, GFP_KERNEL)) == NULL) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
"Can't allocate Rx urb for index %d\n", i);
return -ENOMEM;
}
if ((psIntfAdapter->asUsbRcb[i].urb->transfer_buffer =
kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL)) == NULL) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
"Can't allocate Rx buffer for index %d\n", i);
return -ENOMEM;
}
psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length = MAX_DATA_BUFFER_SIZE;
}
return 0;
}
static int device_run(PS_INTERFACE_ADAPTER psIntfAdapter)
{
int value = 0;
UINT status = STATUS_SUCCESS;
status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter);
if (status != STATUS_SUCCESS) {
pr_err(DRV_NAME "InitCardAndDownloadFirmware failed.\n");
return status;
}
if (TRUE == psIntfAdapter->psAdapter->fw_download_done) {
if (StartInterruptUrb(psIntfAdapter)) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"Cannot send interrupt in URB\n");
}
/*
* now register the cntrl interface.
* after downloading the f/w waiting for 5 sec to get the mailbox interrupt.
*/
psIntfAdapter->psAdapter->waiting_to_fw_download_done = FALSE;
value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ);
if (value == 0)
pr_err(DRV_NAME ": Timeout waiting for mailbox interrupt.\n");
if (register_control_device_interface(psIntfAdapter->psAdapter) < 0) {
pr_err(DRV_NAME ": Register Control Device failed.\n");
return -EIO;
}
}
return 0;
}
static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
{
return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
}
static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
{
return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
}
static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
{
return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
}
static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
{
return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
}
static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
{
return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_BULK);
}
static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
{
return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_CONTROL);
}
static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
{
return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_INT);
}
static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
{
return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_ISOC);
}
static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
{
return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd));
}
static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
{
return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd));
}
static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
{
return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd));
}
static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
{
return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd));
}
static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
{
return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd));
}
static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
{
return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd));
}
static int InterfaceAdapterInit(PS_INTERFACE_ADAPTER psIntfAdapter)
{
struct usb_host_interface *iface_desc;
struct usb_endpoint_descriptor *endpoint;
size_t buffer_size;
unsigned long value;
int retval = 0;
int usedIntOutForBulkTransfer = 0 ;
BOOLEAN bBcm16 = FALSE;
UINT uiData = 0;
/* Store the usb dev into interface adapter */
psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(psIntfAdapter->interface));
psIntfAdapter->bHighSpeedDevice = (psIntfAdapter->udev->speed == USB_SPEED_HIGH);
psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
retval = rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG,
(u32 *)&(psIntfAdapter->psAdapter->chip_id), sizeof(u32));
if (retval) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
return retval;
}
if (0xbece3200 == (psIntfAdapter->psAdapter->chip_id & ~(0xF0)))
psIntfAdapter->psAdapter->chip_id &= ~0xF0;
dev_info(&psIntfAdapter->udev->dev, "RDM Chip ID 0x%lx\n",
psIntfAdapter->psAdapter->chip_id);
iface_desc = psIntfAdapter->interface->cur_altsetting;
if (psIntfAdapter->psAdapter->chip_id == T3B) {
/* T3B device will have EEPROM, check if EEPROM is proper and BCM16 can be done or not. */
BeceemEEPROMBulkRead(psIntfAdapter->psAdapter, &uiData, 0x0, 4);
if (uiData == BECM)
bBcm16 = TRUE;
dev_info(&psIntfAdapter->udev->dev, "number of alternate setting %d\n",
psIntfAdapter->interface->num_altsetting);
if (bBcm16 == TRUE) {
/* selecting alternate setting one as a default setting for High Speed modem. */
if (psIntfAdapter->bHighSpeedDevice)
retval= usb_set_interface(psIntfAdapter->udev, DEFAULT_SETTING_0, ALTERNATE_SETTING_1);
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"BCM16 is applicable on this dongle\n");
if (retval || (psIntfAdapter->bHighSpeedDevice == FALSE)) {
usedIntOutForBulkTransfer = EP2 ;
endpoint = &iface_desc->endpoint[EP2].desc;
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"Interface altsetting failed or modem is configured to Full Speed, hence will work on default setting 0\n");
/*
* If Modem is high speed device EP2 should be INT OUT End point
* If Mode is FS then EP2 should be bulk end point
*/
if (((psIntfAdapter->bHighSpeedDevice == TRUE) && (bcm_usb_endpoint_is_int_out(endpoint) == FALSE))
|| ((psIntfAdapter->bHighSpeedDevice == FALSE) && (bcm_usb_endpoint_is_bulk_out(endpoint) == FALSE))) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"Configuring the EEPROM\n");
/* change the EP2, EP4 to INT OUT end point */
ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
/*
* It resets the device and if any thing gets changed
* in USB descriptor it will show fail and re-enumerate
* the device
*/
retval = usb_reset_device(psIntfAdapter->udev);
if (retval) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"reset failed. Re-enumerating the device.\n");
return retval ;
}
}
if ((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint)) {
/* Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail. */
UINT _uiData = ntohl(EP2_CFG_INT);
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"Reverting Bulk to INT as it is in Full Speed mode.\n");
BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter, (PUCHAR)&_uiData, 0x136, 4, TRUE);
}
} else {
usedIntOutForBulkTransfer = EP4 ;
endpoint = &iface_desc->endpoint[EP4].desc;
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"Choosing AltSetting as a default setting.\n");
if (bcm_usb_endpoint_is_int_out(endpoint) == FALSE) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"Dongle does not have BCM16 Fix.\n");
/* change the EP2, EP4 to INT OUT end point and use EP4 in altsetting */
ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
/*
* It resets the device and if any thing gets changed in
* USB descriptor it will show fail and re-enumerate the
* device
*/
retval = usb_reset_device(psIntfAdapter->udev);
if (retval) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"reset failed. Re-enumerating the device.\n");
return retval;
}
}
}
}
}
iface_desc = psIntfAdapter->interface->cur_altsetting;
for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value) {
endpoint = &iface_desc->endpoint[value].desc;
if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint)) {
buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
psIntfAdapter->sBulkIn.bulk_in_endpointAddr = endpoint->bEndpointAddress;
psIntfAdapter->sBulkIn.bulk_in_pipe =
usb_rcvbulkpipe(psIntfAdapter->udev,
psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
}
if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint)) {
psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
psIntfAdapter->sBulkOut.bulk_out_pipe =
usb_sndbulkpipe(psIntfAdapter->udev,
psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
}
if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint)) {
buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
psIntfAdapter->sIntrIn.int_in_size = buffer_size;
psIntfAdapter->sIntrIn.int_in_endpointAddr = endpoint->bEndpointAddress;
psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
psIntfAdapter->sIntrIn.int_in_buffer =
kmalloc(buffer_size, GFP_KERNEL);
if (!psIntfAdapter->sIntrIn.int_in_buffer) {
dev_err(&psIntfAdapter->udev->dev,
"could not allocate interrupt_in_buffer\n");
return -EINVAL;
}
}
if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint)) {
if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
(psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer)) {
/* use first intout end point as a bulk out end point */
buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
psIntfAdapter->sBulkOut.bulk_out_pipe = usb_sndintpipe(psIntfAdapter->udev,
psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
} else if (value == EP6) {
buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
psIntfAdapter->sIntrOut.int_out_size = buffer_size;
psIntfAdapter->sIntrOut.int_out_endpointAddr = endpoint->bEndpointAddress;
psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
psIntfAdapter->sIntrOut.int_out_buffer= kmalloc(buffer_size, GFP_KERNEL);
if (!psIntfAdapter->sIntrOut.int_out_buffer) {
dev_err(&psIntfAdapter->udev->dev,
"could not allocate interrupt_out_buffer\n");
return -EINVAL;
}
}
}
}
usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
InterfaceFileReadbackFromChip;
psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
retval = CreateInterruptUrb(psIntfAdapter);
if (retval) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
"Cannot create interrupt urb\n");
return retval;
}
retval = AllocUsbCb(psIntfAdapter);
if (retval)
return retval;
return device_run(psIntfAdapter);
}
static int InterfaceSuspend(struct usb_interface *intf, pm_message_t message)
{
PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
psIntfAdapter->bSuspended = TRUE;
if (TRUE == psIntfAdapter->bPreparingForBusSuspend) {
psIntfAdapter->bPreparingForBusSuspend = FALSE;
if (psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE) {
psIntfAdapter->psAdapter->IdleMode = TRUE ;
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"Host Entered in PMU Idle Mode.\n");
} else {
psIntfAdapter->psAdapter->bShutStatus = TRUE;
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
"Host Entered in PMU Shutdown Mode.\n");
}
}
psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
/* Signaling the control pkt path */
wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
return 0;
}
static int InterfaceResume(struct usb_interface *intf)
{
PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
mdelay(100);
psIntfAdapter->bSuspended = FALSE;
StartInterruptUrb(psIntfAdapter);
InterfaceRx(psIntfAdapter);
return 0;
}
static struct usb_driver usbbcm_driver = {
.name = "usbbcm",
.probe = usbbcm_device_probe,
.disconnect = usbbcm_disconnect,
.suspend = InterfaceSuspend,
.resume = InterfaceResume,
.id_table = InterfaceUsbtable,
.supports_autosuspend = 1,
};
struct class *bcm_class;
static __init int bcm_init(void)
{
printk(KERN_INFO "%s: %s, %s\n", DRV_NAME, DRV_DESCRIPTION, DRV_VERSION);
printk(KERN_INFO "%s\n", DRV_COPYRIGHT);
bcm_class = class_create(THIS_MODULE, DRV_NAME);
if (IS_ERR(bcm_class)) {
printk(KERN_ERR DRV_NAME ": could not create class\n");
return PTR_ERR(bcm_class);
}
return usb_register(&usbbcm_driver);
}
static __exit void bcm_exit(void)
{
usb_deregister(&usbbcm_driver);
class_destroy(bcm_class);
}
module_init(bcm_init);
module_exit(bcm_exit);
MODULE_DESCRIPTION(DRV_DESCRIPTION);
MODULE_VERSION(DRV_VERSION);
MODULE_LICENSE("GPL");