-//============================================================================
-// Copyright (c) 1996-2002 Winbond Electronic Corporation
-//
-// Module Name:
-// Wb35Tx.c
-//
-// Abstract:
-// Processing the Tx message and put into down layer
-//
-//============================================================================
+/*
+ * Copyright (c) 1996-2002 Winbond Electronic Corporation
+ *
+ * Module Name:
+ * Wb35Tx.c
+ *
+ * Abstract:
+ * Processing the Tx message and put into down layer
+ *
+ */
#include <linux/usb.h>
#include <linux/gfp.h>
struct wb35_mds *pMds = &adapter->Mds;
printk("wb35: tx complete\n");
- // Variable setting
+ /* Variable setting */
pWb35Tx->EP4vm_state = VM_COMPLETED;
- pWb35Tx->EP4VM_status = pUrb->status; //Store the last result of Irp
- pMds->TxOwner[ pWb35Tx->TxSendIndex ] = 0;// Set the owner. Free the owner bit always.
+ pWb35Tx->EP4VM_status = pUrb->status; /* Store the last result of Irp */
+ /* Set the owner. Free the owner bit always. */
+ pMds->TxOwner[ pWb35Tx->TxSendIndex ] = 0;
pWb35Tx->TxSendIndex++;
pWb35Tx->TxSendIndex %= MAX_USB_TX_BUFFER_NUMBER;
- if (pHwData->SurpriseRemove) // Let WbWlanHalt to handle surprise remove
+ if (pHwData->SurpriseRemove) /* Let WbWlanHalt to handle surprise remove */
goto error;
if (pWb35Tx->tx_halt)
goto error;
- // The URB is completed, check the result
+ /* The URB is completed, check the result */
if (pWb35Tx->EP4VM_status != 0) {
printk("URB submission failed\n");
pWb35Tx->EP4vm_state = VM_STOP;
if (pWb35Tx->tx_halt)
goto cleanup;
- // Ownership checking
+ /* Ownership checking */
SendIndex = pWb35Tx->TxSendIndex;
- if (!pMds->TxOwner[SendIndex]) //No more data need to be sent, return immediately
+ /* No more data need to be sent, return immediately */
+ if (!pMds->TxOwner[SendIndex])
goto cleanup;
pTxBufferAddress = pWb35Tx->TxBuffer[SendIndex];
- //
- // Issuing URB
- //
+
+ /* Issuing URB */
usb_fill_bulk_urb(pUrb, pHwData->udev,
usb_sndbulkpipe(pHwData->udev, 4),
pTxBufferAddress, pMds->TxBufferSize[ SendIndex ],
goto cleanup;
}
- // Check if driver needs issue Irp for EP2
+ /* Check if driver needs issue Irp for EP2 */
pWb35Tx->TxFillCount += pMds->TxCountInBuffer[SendIndex];
if (pWb35Tx->TxFillCount > 12)
Wb35Tx_EP2VM_start(adapter);
struct hw_data * pHwData = &adapter->sHwData;
struct wb35_tx *pWb35Tx = &pHwData->Wb35Tx;
- // Allow only one thread to run into function
+ /* Allow only one thread to run into function */
if (atomic_inc_return(&pWb35Tx->TxFireCounter) == 1) {
pWb35Tx->EP4vm_state = VM_RUNNING;
Wb35Tx(adapter);
return true;
}
-//======================================================
void Wb35Tx_stop(struct hw_data * pHwData)
{
struct wb35_tx *pWb35Tx = &pHwData->Wb35Tx;
- // Try to cancel the Trp of EP2
+ /* Try to cancel the Trp of EP2 */
if (pWb35Tx->EP2vm_state == VM_RUNNING)
- usb_unlink_urb( pWb35Tx->Tx2Urb ); // Only use unlink, let Wb35Tx_destroy to free them
+ /* Only use unlink, let Wb35Tx_destroy to free them */
+ usb_unlink_urb( pWb35Tx->Tx2Urb );
pr_debug("EP2 Tx stop\n");
- // Try to cancel the Irp of EP4
+ /* Try to cancel the Irp of EP4 */
if (pWb35Tx->EP4vm_state == VM_RUNNING)
- usb_unlink_urb( pWb35Tx->Tx4Urb ); // Only use unlink, let Wb35Tx_destroy to free them
+ /* Only use unlink, let Wb35Tx_destroy to free them */
+ usb_unlink_urb( pWb35Tx->Tx4Urb );
pr_debug("EP4 Tx stop\n");
}
-//======================================================
void Wb35Tx_destroy(struct hw_data * pHwData)
{
struct wb35_tx *pWb35Tx = &pHwData->Wb35Tx;
- // Wait for VM stop
+ /* Wait for VM stop */
do {
- msleep(10); // Delay for waiting function enter 940623.1.a
+ msleep(10); /* Delay for waiting function enter 940623.1.a */
} while( (pWb35Tx->EP2vm_state != VM_STOP) && (pWb35Tx->EP4vm_state != VM_STOP) );
- msleep(10); // Delay for waiting function enter 940623.1.b
+ msleep(10); /* Delay for waiting function enter 940623.1.b */
if (pWb35Tx->Tx4Urb)
usb_free_urb( pWb35Tx->Tx4Urb );
u16 InterruptInLength;
- // Variable setting
+ /* Variable setting */
pWb35Tx->EP2vm_state = VM_COMPLETED;
pWb35Tx->EP2VM_status = pUrb->status;
- // For Linux 2.4. Interrupt will always trigger
- if (pHwData->SurpriseRemove) // Let WbWlanHalt to handle surprise remove
+ /* For Linux 2.4. Interrupt will always trigger */
+ if (pHwData->SurpriseRemove) /* Let WbWlanHalt to handle surprise remove */
goto error;
if (pWb35Tx->tx_halt)
goto error;
- //The Urb is completed, check the result
+ /* The Urb is completed, check the result */
if (pWb35Tx->EP2VM_status != 0) {
printk("EP2 IoCompleteRoutine return error\n");
pWb35Tx->EP2vm_state= VM_STOP;
goto error;
}
- // Update the Tx result
+ /* Update the Tx result */
InterruptInLength = pUrb->actual_length;
- // Modify for minimum memory access and DWORD alignment.
- T02.value = cpu_to_le32(pltmp[0]) >> 8; // [31:8] -> [24:0]
- InterruptInLength -= 1;// 20051221.1.c Modify the follow for more stable
- InterruptInLength >>= 2; // InterruptInLength/4
+ /* Modify for minimum memory access and DWORD alignment. */
+ T02.value = cpu_to_le32(pltmp[0]) >> 8; /* [31:8] -> [24:0] */
+ InterruptInLength -= 1; /* 20051221.1.c Modify the follow for more stable */
+ InterruptInLength >>= 2; /* InterruptInLength/4 */
for (i = 1; i <= InterruptInLength; i++) {
T02.value |= ((cpu_to_le32(pltmp[i]) & 0xff) << 24);
- TSTATUS.value = T02.value; //20061009 anson's endian
+ TSTATUS.value = T02.value; /* 20061009 anson's endian */
Mds_SendComplete( adapter, &TSTATUS );
T02.value = cpu_to_le32(pltmp[i]) >> 8;
}
if (pWb35Tx->tx_halt)
goto error;
- //
- // Issuing URB
- //
+ /* Issuing URB */
usb_fill_int_urb( pUrb, pHwData->udev, usb_rcvintpipe(pHwData->udev,2),
pltmp, MAX_INTERRUPT_LENGTH, Wb35Tx_EP2VM_complete, adapter, 32);
struct hw_data * pHwData = &adapter->sHwData;
struct wb35_tx *pWb35Tx = &pHwData->Wb35Tx;
- // Allow only one thread to run into function
+ /* Allow only one thread to run into function */
if (atomic_inc_return(&pWb35Tx->TxResultCount) == 1) {
pWb35Tx->EP2vm_state = VM_RUNNING;
Wb35Tx_EP2VM(adapter);