diff options
Diffstat (limited to 'drivers/staging/vt6656/usbpipe.c')
| -rw-r--r-- | drivers/staging/vt6656/usbpipe.c | 216 |
1 files changed, 81 insertions, 135 deletions
diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c index fc68518526e0..00fd0f8a58c2 100644 --- a/drivers/staging/vt6656/usbpipe.c +++ b/drivers/staging/vt6656/usbpipe.c @@ -67,51 +67,18 @@ static int msglevel =MSG_LEVEL_INFO; /*--------------------- Static Variables --------------------------*/ /*--------------------- Static Functions --------------------------*/ -static -void -s_nsInterruptUsbIoCompleteRead( - struct urb *urb - ); - - -static -void -s_nsBulkInUsbIoCompleteRead( - struct urb *urb - ); - - -static -void -s_nsBulkOutIoCompleteWrite( - struct urb *urb - ); - - -static -void -s_nsControlInUsbIoCompleteRead( - struct urb *urb - ); - -static -void -s_nsControlInUsbIoCompleteWrite( - struct urb *urb - ); +static void s_nsInterruptUsbIoCompleteRead(struct urb *urb); +static void s_nsBulkInUsbIoCompleteRead(struct urb *urb); +static void s_nsBulkOutIoCompleteWrite(struct urb *urb); +static void s_nsControlInUsbIoCompleteRead(struct urb *urb); +static void s_nsControlInUsbIoCompleteWrite(struct urb *urb); /*--------------------- Export Variables --------------------------*/ /*--------------------- Export Functions --------------------------*/ -int PIPEnsControlOutAsyn( - PSDevice pDevice, - BYTE byRequest, - WORD wValue, - WORD wIndex, - WORD wLength, - PBYTE pbyBuffer - ) +int PIPEnsControlOutAsyn(struct vnt_private *pDevice, u8 byRequest, + u16 wValue, u16 wIndex, u16 wLength, u8 *pbyBuffer) { int ntStatus; @@ -147,17 +114,11 @@ int PIPEnsControlOutAsyn( return ntStatus; } -int PIPEnsControlOut( - PSDevice pDevice, - BYTE byRequest, - WORD wValue, - WORD wIndex, - WORD wLength, - PBYTE pbyBuffer - ) +int PIPEnsControlOut(struct vnt_private *pDevice, u8 byRequest, u16 wValue, + u16 wIndex, u16 wLength, u8 *pbyBuffer) { int ntStatus = 0; - int ii; + int ii; if (pDevice->Flags & fMP_DISCONNECTED) return STATUS_FAILURE; @@ -165,6 +126,11 @@ int PIPEnsControlOut( if (pDevice->Flags & fMP_CONTROL_WRITES) return STATUS_FAILURE; + if (pDevice->Flags & fMP_CONTROL_READS) + return STATUS_FAILURE; + + MP_SET_FLAG(pDevice, fMP_CONTROL_WRITES); + pDevice->sUsbCtlRequest.bRequestType = 0x40; pDevice->sUsbCtlRequest.bRequest = byRequest; pDevice->sUsbCtlRequest.wValue = cpu_to_le16p(&wValue); @@ -179,12 +145,13 @@ int PIPEnsControlOut( ntStatus = usb_submit_urb(pDevice->pControlURB, GFP_ATOMIC); if (ntStatus != 0) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"control send request submission failed: %d\n", ntStatus); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO + "control send request submission failed: %d\n", + ntStatus); + MP_CLEAR_FLAG(pDevice, fMP_CONTROL_WRITES); return STATUS_FAILURE; } - else { - MP_SET_FLAG(pDevice, fMP_CONTROL_WRITES); - } + spin_unlock_irq(&pDevice->lock); for (ii = 0; ii <= USB_CTL_WAIT; ii ++) { @@ -206,17 +173,11 @@ int PIPEnsControlOut( return STATUS_SUCCESS; } -int PIPEnsControlIn( - PSDevice pDevice, - BYTE byRequest, - WORD wValue, - WORD wIndex, - WORD wLength, - PBYTE pbyBuffer - ) +int PIPEnsControlIn(struct vnt_private *pDevice, u8 byRequest, u16 wValue, + u16 wIndex, u16 wLength, u8 *pbyBuffer) { int ntStatus = 0; - int ii; + int ii; if (pDevice->Flags & fMP_DISCONNECTED) return STATUS_FAILURE; @@ -224,6 +185,11 @@ int PIPEnsControlIn( if (pDevice->Flags & fMP_CONTROL_READS) return STATUS_FAILURE; + if (pDevice->Flags & fMP_CONTROL_WRITES) + return STATUS_FAILURE; + + MP_SET_FLAG(pDevice, fMP_CONTROL_READS); + pDevice->sUsbCtlRequest.bRequestType = 0xC0; pDevice->sUsbCtlRequest.bRequest = byRequest; pDevice->sUsbCtlRequest.wValue = cpu_to_le16p(&wValue); @@ -237,10 +203,11 @@ int PIPEnsControlIn( ntStatus = usb_submit_urb(pDevice->pControlURB, GFP_ATOMIC); if (ntStatus != 0) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"control request submission failed: %d\n", ntStatus); - }else { - MP_SET_FLAG(pDevice, fMP_CONTROL_READS); - } + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO + "control request submission failed: %d\n", ntStatus); + MP_CLEAR_FLAG(pDevice, fMP_CONTROL_READS); + return STATUS_FAILURE; + } spin_unlock_irq(&pDevice->lock); for (ii = 0; ii <= USB_CTL_WAIT; ii ++) { @@ -263,13 +230,9 @@ int PIPEnsControlIn( return ntStatus; } -static -void -s_nsControlInUsbIoCompleteWrite( - struct urb *urb - ) +static void s_nsControlInUsbIoCompleteWrite(struct urb *urb) { - PSDevice pDevice; + struct vnt_private *pDevice = (struct vnt_private *)urb->context; pDevice = urb->context; switch (urb->status) { @@ -304,15 +267,11 @@ s_nsControlInUsbIoCompleteWrite( * Return Value: STATUS_INSUFFICIENT_RESOURCES or result of IoCallDriver * */ -static -void -s_nsControlInUsbIoCompleteRead( - struct urb *urb - ) + +static void s_nsControlInUsbIoCompleteRead(struct urb *urb) { - PSDevice pDevice; + struct vnt_private *pDevice = (struct vnt_private *)urb->context; - pDevice = urb->context; switch (urb->status) { case 0: break; @@ -345,17 +304,18 @@ s_nsControlInUsbIoCompleteRead( * Return Value: STATUS_INSUFFICIENT_RESOURCES or result of IoCallDriver * */ -int PIPEnsInterruptRead(PSDevice pDevice) + +int PIPEnsInterruptRead(struct vnt_private *pDevice) { - int ntStatus = STATUS_FAILURE; + int ntStatus = STATUS_FAILURE; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->s_nsStartInterruptUsbRead()\n"); - if(pDevice->intBuf.bInUse == TRUE){ + if(pDevice->intBuf.bInUse == true){ return (STATUS_FAILURE); } - pDevice->intBuf.bInUse = TRUE; -// pDevice->bEventAvailable = FALSE; + pDevice->intBuf.bInUse = true; +// pDevice->bEventAvailable = false; pDevice->ulIntInPosted++; // @@ -396,21 +356,16 @@ usb_fill_bulk_urb(pDevice->pInterruptURB, * Return Value: STATUS_INSUFFICIENT_RESOURCES or result of IoCallDriver * */ -static -void -s_nsInterruptUsbIoCompleteRead( - struct urb *urb - ) +static void s_nsInterruptUsbIoCompleteRead(struct urb *urb) { - PSDevice pDevice; - int ntStatus; + struct vnt_private *pDevice = (struct vnt_private *)urb->context; + int ntStatus; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->s_nsInterruptUsbIoCompleteRead\n"); // // The context given to IoSetCompletionRoutine is the receive buffer object // - pDevice = (PSDevice)urb->context; // // We have a number of cases: @@ -428,7 +383,7 @@ s_nsInterruptUsbIoCompleteRead( // otherwise interrupt data handler will free int buffer after it handle it. if (( ntStatus != STATUS_SUCCESS )) { pDevice->ulBulkInError++; - pDevice->intBuf.bInUse = FALSE; + pDevice->intBuf.bInUse = false; // if (ntStatus == USBD_STATUS_CRC) { // pDevice->ulIntInContCRCError++; @@ -436,20 +391,20 @@ s_nsInterruptUsbIoCompleteRead( // if (ntStatus == STATUS_NOT_CONNECTED ) // { - pDevice->fKillEventPollingThread = TRUE; + pDevice->fKillEventPollingThread = true; // } DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"IntUSBIoCompleteControl STATUS = %d\n", ntStatus ); } else { pDevice->ulIntInBytesRead += (unsigned long) urb->actual_length; pDevice->ulIntInContCRCError = 0; - pDevice->bEventAvailable = TRUE; + pDevice->bEventAvailable = true; INTnsProcessData(pDevice); } STAvUpdateUSBCounter(&pDevice->scStatistic.USB_InterruptStat, ntStatus); - if (pDevice->fKillEventPollingThread != TRUE) { + if (pDevice->fKillEventPollingThread != true) { usb_fill_bulk_urb(pDevice->pInterruptURB, pDevice->usb, usb_rcvbulkpipe(pDevice->usb, 1), @@ -483,10 +438,11 @@ s_nsInterruptUsbIoCompleteRead( * Return Value: STATUS_INSUFFICIENT_RESOURCES or result of IoCallDriver * */ -int PIPEnsBulkInUsbRead(PSDevice pDevice, PRCB pRCB) + +int PIPEnsBulkInUsbRead(struct vnt_private *pDevice, PRCB pRCB) { int ntStatus = 0; - struct urb *pUrb; + struct urb *pUrb; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->s_nsStartBulkInUsbRead\n"); @@ -521,7 +477,7 @@ int PIPEnsBulkInUsbRead(PSDevice pDevice, PRCB pRCB) return STATUS_FAILURE ; } pRCB->Ref = 1; - pRCB->bBoolInUse= TRUE; + pRCB->bBoolInUse= true; return ntStatus; } @@ -543,19 +499,15 @@ int PIPEnsBulkInUsbRead(PSDevice pDevice, PRCB pRCB) * Return Value: STATUS_INSUFFICIENT_RESOURCES or result of IoCallDriver * */ -static -void -s_nsBulkInUsbIoCompleteRead( - struct urb *urb - ) +static void s_nsBulkInUsbIoCompleteRead(struct urb *urb) { - PRCB pRCB = (PRCB)urb->context; - PSDevice pDevice = (PSDevice)pRCB->pDevice; - unsigned long bytesRead; - BOOL bIndicateReceive = FALSE; - BOOL bReAllocSkb = FALSE; - int status; + PRCB pRCB = (PRCB)urb->context; + struct vnt_private *pDevice = pRCB->pDevice; + unsigned long bytesRead; + int bIndicateReceive = false; + int bReAllocSkb = false; + int status; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->s_nsBulkInUsbIoCompleteRead\n"); status = urb->status; @@ -576,7 +528,7 @@ s_nsBulkInUsbIoCompleteRead( // } } else { if (bytesRead) - bIndicateReceive = TRUE; + bIndicateReceive = true; pDevice->ulBulkInContCRCError = 0; pDevice->ulBulkInBytesRead += bytesRead; @@ -588,8 +540,8 @@ s_nsBulkInUsbIoCompleteRead( if (bIndicateReceive) { spin_lock(&pDevice->lock); - if (RXbBulkInProcessData(pDevice, pRCB, bytesRead) == TRUE) - bReAllocSkb = TRUE; + if (RXbBulkInProcessData(pDevice, pRCB, bytesRead) == true) + bReAllocSkb = true; spin_unlock(&pDevice->lock); } pRCB->Ref--; @@ -618,18 +570,15 @@ s_nsBulkInUsbIoCompleteRead( * Return Value: STATUS_INSUFFICIENT_RESOURCES or result of IoCallDriver * */ -int -PIPEnsSendBulkOut( - PSDevice pDevice, - PUSB_SEND_CONTEXT pContext - ) + +int PIPEnsSendBulkOut(struct vnt_private *pDevice, PUSB_SEND_CONTEXT pContext) { - int status; - struct urb *pUrb; + int status; + struct urb *pUrb; - pDevice->bPWBitOn = FALSE; + pDevice->bPWBitOn = false; /* if (pDevice->pPendingBulkOutContext != NULL) { @@ -661,13 +610,13 @@ PIPEnsSendBulkOut( if (status != 0) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Submit Tx URB failed %d\n", status); - pContext->bBoolInUse = FALSE; + pContext->bBoolInUse = false; return STATUS_FAILURE; } return STATUS_PENDING; } else { - pContext->bBoolInUse = FALSE; + pContext->bBoolInUse = false; return STATUS_RESOURCES; } } @@ -699,17 +648,14 @@ PIPEnsSendBulkOut( * (IofCompleteRequest) to stop working on the irp. * */ -static -void -s_nsBulkOutIoCompleteWrite( - struct urb *urb - ) + +static void s_nsBulkOutIoCompleteWrite(struct urb *urb) { - PSDevice pDevice; - int status; - CONTEXT_TYPE ContextType; - unsigned long ulBufLen; - PUSB_SEND_CONTEXT pContext; + struct vnt_private *pDevice; + int status; + CONTEXT_TYPE ContextType; + unsigned long ulBufLen; + PUSB_SEND_CONTEXT pContext; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->s_nsBulkOutIoCompleteWrite\n"); @@ -769,11 +715,11 @@ s_nsBulkOutIoCompleteWrite( } } - if (pDevice->bLinkPass == TRUE) { + if (pDevice->bLinkPass == true) { if (netif_queue_stopped(pDevice->dev)) netif_wake_queue(pDevice->dev); } - pContext->bBoolInUse = FALSE; + pContext->bBoolInUse = false; return; } |