diff options
Diffstat (limited to 'drivers/staging/winbond/wb35tx.c')
| -rw-r--r-- | drivers/staging/winbond/wb35tx.c | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/drivers/staging/winbond/wb35tx.c b/drivers/staging/winbond/wb35tx.c deleted file mode 100644 index 870cff39a226..000000000000 --- a/drivers/staging/winbond/wb35tx.c +++ /dev/null @@ -1,290 +0,0 @@ -/* - * 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> - -#include "wb35tx_f.h" -#include "mds_f.h" - -unsigned char -Wb35Tx_get_tx_buffer(struct hw_data *pHwData, u8 **pBuffer) -{ - struct wb35_tx *pWb35Tx = &pHwData->Wb35Tx; - - *pBuffer = pWb35Tx->TxBuffer[0]; - return true; -} - -static void Wb35Tx(struct wbsoft_priv *adapter); - -static void Wb35Tx_complete(struct urb *pUrb) -{ - struct wbsoft_priv *adapter = pUrb->context; - struct hw_data *pHwData = &adapter->sHwData; - struct wb35_tx *pWb35Tx = &pHwData->Wb35Tx; - struct wb35_mds *pMds = &adapter->Mds; - - printk("wb35: tx complete\n"); - /* Variable setting */ - pWb35Tx->EP4vm_state = VM_COMPLETED; - 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 handle surprise remove */ - goto error; - - if (pWb35Tx->tx_halt) - goto error; - - /* The URB is completed, check the result */ - if (pWb35Tx->EP4VM_status != 0) { - dev_err(&pUrb->dev->dev, "URB submission failed\n"); - pWb35Tx->EP4vm_state = VM_STOP; - goto error; - } - - Mds_Tx(adapter); - Wb35Tx(adapter); - return; - -error: - atomic_dec(&pWb35Tx->TxFireCounter); - pWb35Tx->EP4vm_state = VM_STOP; -} - -static void Wb35Tx(struct wbsoft_priv *adapter) -{ - struct hw_data *pHwData = &adapter->sHwData; - struct wb35_tx *pWb35Tx = &pHwData->Wb35Tx; - u8 *pTxBufferAddress; - struct wb35_mds *pMds = &adapter->Mds; - struct urb *pUrb = (struct urb *)pWb35Tx->Tx4Urb; - int retv; - u32 SendIndex; - - if (pHwData->SurpriseRemove) - goto cleanup; - - if (pWb35Tx->tx_halt) - goto cleanup; - - /* Ownership checking */ - SendIndex = pWb35Tx->TxSendIndex; - /* No more data need to be sent, return immediately */ - if (!pMds->TxOwner[SendIndex]) - goto cleanup; - - pTxBufferAddress = pWb35Tx->TxBuffer[SendIndex]; - - /* Issuing URB */ - usb_fill_bulk_urb(pUrb, pHwData->udev, - usb_sndbulkpipe(pHwData->udev, 4), - pTxBufferAddress, pMds->TxBufferSize[SendIndex], - Wb35Tx_complete, adapter); - - pWb35Tx->EP4vm_state = VM_RUNNING; - retv = usb_submit_urb(pUrb, GFP_ATOMIC); - if (retv < 0) { - dev_err(&pUrb->dev->dev, "EP4 Tx Irp sending error\n"); - goto cleanup; - } - - /* Check if driver needs issue Irp for EP2 */ - pWb35Tx->TxFillCount += pMds->TxCountInBuffer[SendIndex]; - if (pWb35Tx->TxFillCount > 12) - Wb35Tx_EP2VM_start(adapter); - - pWb35Tx->ByteTransfer += pMds->TxBufferSize[SendIndex]; - return; - - cleanup: - pWb35Tx->EP4vm_state = VM_STOP; - atomic_dec(&pWb35Tx->TxFireCounter); -} - -void Wb35Tx_start(struct wbsoft_priv *adapter) -{ - struct hw_data *pHwData = &adapter->sHwData; - struct wb35_tx *pWb35Tx = &pHwData->Wb35Tx; - - /* Allow only one thread to run into function */ - if (atomic_inc_return(&pWb35Tx->TxFireCounter) == 1) { - pWb35Tx->EP4vm_state = VM_RUNNING; - Wb35Tx(adapter); - } else - atomic_dec(&pWb35Tx->TxFireCounter); -} - -unsigned char Wb35Tx_initial(struct hw_data *pHwData) -{ - struct wb35_tx *pWb35Tx = &pHwData->Wb35Tx; - - pWb35Tx->Tx4Urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!pWb35Tx->Tx4Urb) - return false; - - pWb35Tx->Tx2Urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!pWb35Tx->Tx2Urb) { - usb_free_urb(pWb35Tx->Tx4Urb); - return false; - } - - return true; -} - -void Wb35Tx_stop(struct hw_data *pHwData) -{ - struct wb35_tx *pWb35Tx = &pHwData->Wb35Tx; - - /* Try to cancel the Trp of EP2 */ - if (pWb35Tx->EP2vm_state == VM_RUNNING) - /* Only use unlink, let Wb35Tx_destroy free them */ - usb_unlink_urb(pWb35Tx->Tx2Urb); - pr_debug("EP2 Tx stop\n"); - - /* Try to cancel the Irp of EP4 */ - if (pWb35Tx->EP4vm_state == VM_RUNNING) - /* Only use unlink, let Wb35Tx_destroy 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 */ - do { - 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 */ - - usb_free_urb(pWb35Tx->Tx4Urb); - usb_free_urb(pWb35Tx->Tx2Urb); - - pr_debug("Wb35Tx_destroy OK\n"); -} - -void Wb35Tx_CurrentTime(struct wbsoft_priv *adapter, u32 TimeCount) -{ - struct hw_data *pHwData = &adapter->sHwData; - struct wb35_tx *pWb35Tx = &pHwData->Wb35Tx; - bool Trigger = false; - - if (pWb35Tx->TxTimer > TimeCount) - Trigger = true; - else if (TimeCount > (pWb35Tx->TxTimer+500)) - Trigger = true; - - if (Trigger) { - pWb35Tx->TxTimer = TimeCount; - Wb35Tx_EP2VM_start(adapter); - } -} - -static void Wb35Tx_EP2VM(struct wbsoft_priv *adapter); - -static void Wb35Tx_EP2VM_complete(struct urb *pUrb) -{ - struct wbsoft_priv *adapter = pUrb->context; - struct hw_data *pHwData = &adapter->sHwData; - struct T02_descriptor T02, TSTATUS; - struct wb35_tx *pWb35Tx = &pHwData->Wb35Tx; - u32 *pltmp = (u32 *)pWb35Tx->EP2_buf; - u32 i; - u16 InterruptInLength; - - /* 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 handle surprise remove */ - goto error; - - if (pWb35Tx->tx_halt) - goto error; - - /* The Urb is completed, check the result */ - if (pWb35Tx->EP2VM_status != 0) { - dev_err(&pUrb->dev->dev, "EP2 IoCompleteRoutine return error\n"); - pWb35Tx->EP2vm_state = VM_STOP; - goto error; - } - - /* 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 */ - for (i = 1; i <= InterruptInLength; i++) { - T02.value |= ((cpu_to_le32(pltmp[i]) & 0xff) << 24); - - TSTATUS.value = T02.value; /* 20061009 anson's endian */ - Mds_SendComplete(adapter, &TSTATUS); - T02.value = cpu_to_le32(pltmp[i]) >> 8; - } - - return; -error: - atomic_dec(&pWb35Tx->TxResultCount); - pWb35Tx->EP2vm_state = VM_STOP; -} - -static void Wb35Tx_EP2VM(struct wbsoft_priv *adapter) -{ - struct hw_data *pHwData = &adapter->sHwData; - struct wb35_tx *pWb35Tx = &pHwData->Wb35Tx; - struct urb *pUrb = (struct urb *)pWb35Tx->Tx2Urb; - u32 *pltmp = (u32 *)pWb35Tx->EP2_buf; - int retv; - - if (pHwData->SurpriseRemove) - goto error; - - if (pWb35Tx->tx_halt) - goto error; - - /* Issuing URB */ - usb_fill_int_urb(pUrb, pHwData->udev, usb_rcvintpipe(pHwData->udev, 2), - pltmp, MAX_INTERRUPT_LENGTH, Wb35Tx_EP2VM_complete, - adapter, 32); - - pWb35Tx->EP2vm_state = VM_RUNNING; - retv = usb_submit_urb(pUrb, GFP_ATOMIC); - - if (retv < 0) { - pr_debug("EP2 Tx Irp sending error\n"); - goto error; - } - - return; -error: - pWb35Tx->EP2vm_state = VM_STOP; - atomic_dec(&pWb35Tx->TxResultCount); -} - -void Wb35Tx_EP2VM_start(struct wbsoft_priv *adapter) -{ - struct hw_data *pHwData = &adapter->sHwData; - struct wb35_tx *pWb35Tx = &pHwData->Wb35Tx; - - /* Allow only one thread to run into function */ - if (atomic_inc_return(&pWb35Tx->TxResultCount) == 1) { - pWb35Tx->EP2vm_state = VM_RUNNING; - Wb35Tx_EP2VM(adapter); - } else - atomic_dec(&pWb35Tx->TxResultCount); -} |