![Gorskin Ilya](/assets/img/avatar_default.png)
This is a patch to the rt_pci_rbus.c file that fixes up errors found by the checkpatch.pl tool Signed-off-by: Gorskin Ilya <revent82@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
837 lines
24 KiB
C
837 lines
24 KiB
C
/*
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*************************************************************************
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* Ralink Tech Inc.
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* 5F., No.36, Taiyuan St., Jhubei City,
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* Hsinchu County 302,
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* Taiwan, R.O.C.
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*
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* (c) Copyright 2002-2007, Ralink Technology, Inc.
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*
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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* *
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*************************************************************************
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Module Name:
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rt_pci_rbus.c
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Abstract:
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Create and register network interface.
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Revision History:
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Who When What
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-------- ---------- ----------------------------------------------
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*/
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#include "rt_config.h"
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#include <linux/pci.h>
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IRQ_HANDLE_TYPE rt2860_interrupt(int irq, void *dev_instance);
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static void rx_done_tasklet(unsigned long data);
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static void mgmt_dma_done_tasklet(unsigned long data);
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static void ac0_dma_done_tasklet(unsigned long data);
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static void ac1_dma_done_tasklet(unsigned long data);
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static void ac2_dma_done_tasklet(unsigned long data);
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static void ac3_dma_done_tasklet(unsigned long data);
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static void fifo_statistic_full_tasklet(unsigned long data);
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/*---------------------------------------------------------------------*/
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/* Symbol & Macro Definitions */
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/*---------------------------------------------------------------------*/
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#define RT2860_INT_RX_DLY (1<<0) /* bit 0 */
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#define RT2860_INT_TX_DLY (1<<1) /* bit 1 */
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#define RT2860_INT_RX_DONE (1<<2) /* bit 2 */
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#define RT2860_INT_AC0_DMA_DONE (1<<3) /* bit 3 */
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#define RT2860_INT_AC1_DMA_DONE (1<<4) /* bit 4 */
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#define RT2860_INT_AC2_DMA_DONE (1<<5) /* bit 5 */
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#define RT2860_INT_AC3_DMA_DONE (1<<6) /* bit 6 */
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#define RT2860_INT_HCCA_DMA_DONE (1<<7) /* bit 7 */
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#define RT2860_INT_MGMT_DONE (1<<8) /* bit 8 */
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#define INT_RX RT2860_INT_RX_DONE
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#define INT_AC0_DLY (RT2860_INT_AC0_DMA_DONE) /*| RT2860_INT_TX_DLY) */
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#define INT_AC1_DLY (RT2860_INT_AC1_DMA_DONE) /*| RT2860_INT_TX_DLY) */
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#define INT_AC2_DLY (RT2860_INT_AC2_DMA_DONE) /*| RT2860_INT_TX_DLY) */
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#define INT_AC3_DLY (RT2860_INT_AC3_DMA_DONE) /*| RT2860_INT_TX_DLY) */
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#define INT_HCCA_DLY (RT2860_INT_HCCA_DMA_DONE) /*| RT2860_INT_TX_DLY) */
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#define INT_MGMT_DLY RT2860_INT_MGMT_DONE
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/***************************************************************************
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*
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* Interface-depended memory allocation/Free related procedures.
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* Mainly for Hardware TxDesc/RxDesc/MgmtDesc, DMA Memory for TxData/RxData, etc.,
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*
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**************************************************************************/
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/* Function for TxDesc Memory allocation. */
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void RTMP_AllocateTxDescMemory(struct rt_rtmp_adapter *pAd,
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u32 Index,
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unsigned long Length,
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IN BOOLEAN Cached,
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void **VirtualAddress,
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dma_addr_t *PhysicalAddress)
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{
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struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie;
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*VirtualAddress =
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(void *)pci_alloc_consistent(pObj->pci_dev, sizeof(char) * Length,
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PhysicalAddress);
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}
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/* Function for MgmtDesc Memory allocation. */
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void RTMP_AllocateMgmtDescMemory(struct rt_rtmp_adapter *pAd,
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unsigned long Length,
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IN BOOLEAN Cached,
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void **VirtualAddress,
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dma_addr_t *PhysicalAddress)
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{
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struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie;
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*VirtualAddress =
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(void *)pci_alloc_consistent(pObj->pci_dev, sizeof(char) * Length,
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PhysicalAddress);
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}
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/* Function for RxDesc Memory allocation. */
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void RTMP_AllocateRxDescMemory(struct rt_rtmp_adapter *pAd,
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unsigned long Length,
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IN BOOLEAN Cached,
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void **VirtualAddress,
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dma_addr_t *PhysicalAddress)
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{
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struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie;
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*VirtualAddress =
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(void *)pci_alloc_consistent(pObj->pci_dev, sizeof(char) * Length,
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PhysicalAddress);
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}
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/* Function for free allocated Desc Memory. */
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void RTMP_FreeDescMemory(struct rt_rtmp_adapter *pAd,
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unsigned long Length,
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void *VirtualAddress,
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dma_addr_t PhysicalAddress)
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{
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struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie;
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pci_free_consistent(pObj->pci_dev, Length, VirtualAddress,
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PhysicalAddress);
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}
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/* Function for TxData DMA Memory allocation. */
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void RTMP_AllocateFirstTxBuffer(struct rt_rtmp_adapter *pAd,
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u32 Index,
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unsigned long Length,
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IN BOOLEAN Cached,
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void **VirtualAddress,
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dma_addr_t *PhysicalAddress)
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{
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struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie;
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*VirtualAddress =
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(void *)pci_alloc_consistent(pObj->pci_dev, sizeof(char) * Length,
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PhysicalAddress);
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}
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void RTMP_FreeFirstTxBuffer(struct rt_rtmp_adapter *pAd,
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unsigned long Length,
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IN BOOLEAN Cached,
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void *VirtualAddress,
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dma_addr_t PhysicalAddress)
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{
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struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie;
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pci_free_consistent(pObj->pci_dev, Length, VirtualAddress,
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PhysicalAddress);
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}
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/*
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* FUNCTION: Allocate a common buffer for DMA
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* ARGUMENTS:
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* AdapterHandle: AdapterHandle
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* Length: Number of bytes to allocate
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* Cached: Whether or not the memory can be cached
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* VirtualAddress: Pointer to memory is returned here
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* PhysicalAddress: Physical address corresponding to virtual address
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*/
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void RTMP_AllocateSharedMemory(struct rt_rtmp_adapter *pAd,
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unsigned long Length,
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IN BOOLEAN Cached,
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void **VirtualAddress,
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dma_addr_t *PhysicalAddress)
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{
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struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie;
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*VirtualAddress =
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(void *)pci_alloc_consistent(pObj->pci_dev, sizeof(char) * Length,
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PhysicalAddress);
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}
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/*
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* FUNCTION: Allocate a packet buffer for DMA
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* ARGUMENTS:
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* AdapterHandle: AdapterHandle
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* Length: Number of bytes to allocate
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* Cached: Whether or not the memory can be cached
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* VirtualAddress: Pointer to memory is returned here
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* PhysicalAddress: Physical address corresponding to virtual address
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* Notes:
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* Cached is ignored: always cached memory
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*/
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void *RTMP_AllocateRxPacketBuffer(struct rt_rtmp_adapter *pAd,
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unsigned long Length,
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IN BOOLEAN Cached,
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void **VirtualAddress,
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OUT dma_addr_t *
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PhysicalAddress)
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{
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struct sk_buff *pkt;
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pkt = dev_alloc_skb(Length);
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if (pkt == NULL) {
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DBGPRINT(RT_DEBUG_ERROR,
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("can't allocate rx %ld size packet\n", Length));
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}
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if (pkt) {
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RTMP_SET_PACKET_SOURCE(OSPKT_TO_RTPKT(pkt), PKTSRC_NDIS);
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*VirtualAddress = (void *)pkt->data;
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*PhysicalAddress =
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PCI_MAP_SINGLE(pAd, *VirtualAddress, Length, -1,
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PCI_DMA_FROMDEVICE);
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} else {
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*VirtualAddress = (void *)NULL;
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*PhysicalAddress = (dma_addr_t)NULL;
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}
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return (void *)pkt;
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}
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void Invalid_Remaining_Packet(struct rt_rtmp_adapter *pAd, unsigned long VirtualAddress)
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{
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dma_addr_t PhysicalAddress;
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PhysicalAddress =
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PCI_MAP_SINGLE(pAd, (void *)(VirtualAddress + 1600),
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RX_BUFFER_NORMSIZE - 1600, -1, PCI_DMA_FROMDEVICE);
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}
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int RtmpNetTaskInit(struct rt_rtmp_adapter *pAd)
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{
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struct os_cookie *pObj;
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pObj = (struct os_cookie *)pAd->OS_Cookie;
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tasklet_init(&pObj->rx_done_task, rx_done_tasklet, (unsigned long)pAd);
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tasklet_init(&pObj->mgmt_dma_done_task, mgmt_dma_done_tasklet,
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(unsigned long)pAd);
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tasklet_init(&pObj->ac0_dma_done_task, ac0_dma_done_tasklet,
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(unsigned long)pAd);
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tasklet_init(&pObj->ac1_dma_done_task, ac1_dma_done_tasklet,
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(unsigned long)pAd);
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tasklet_init(&pObj->ac2_dma_done_task, ac2_dma_done_tasklet,
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(unsigned long)pAd);
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tasklet_init(&pObj->ac3_dma_done_task, ac3_dma_done_tasklet,
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(unsigned long)pAd);
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tasklet_init(&pObj->tbtt_task, tbtt_tasklet, (unsigned long)pAd);
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tasklet_init(&pObj->fifo_statistic_full_task,
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fifo_statistic_full_tasklet, (unsigned long)pAd);
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return NDIS_STATUS_SUCCESS;
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}
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void RtmpNetTaskExit(struct rt_rtmp_adapter *pAd)
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{
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struct os_cookie *pObj;
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pObj = (struct os_cookie *)pAd->OS_Cookie;
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tasklet_kill(&pObj->rx_done_task);
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tasklet_kill(&pObj->mgmt_dma_done_task);
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tasklet_kill(&pObj->ac0_dma_done_task);
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tasklet_kill(&pObj->ac1_dma_done_task);
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tasklet_kill(&pObj->ac2_dma_done_task);
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tasklet_kill(&pObj->ac3_dma_done_task);
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tasklet_kill(&pObj->tbtt_task);
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tasklet_kill(&pObj->fifo_statistic_full_task);
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}
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int RtmpMgmtTaskInit(struct rt_rtmp_adapter *pAd)
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{
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return NDIS_STATUS_SUCCESS;
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}
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/*
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========================================================================
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Routine Description:
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Close kernel threads.
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Arguments:
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*pAd the raxx interface data pointer
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Return Value:
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NONE
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Note:
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========================================================================
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*/
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void RtmpMgmtTaskExit(struct rt_rtmp_adapter *pAd)
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{
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return;
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}
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static inline void rt2860_int_enable(struct rt_rtmp_adapter *pAd, unsigned int mode)
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{
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u32 regValue;
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pAd->int_disable_mask &= ~(mode);
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regValue = pAd->int_enable_reg & ~(pAd->int_disable_mask);
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/*if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE)) */
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{
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RTMP_IO_WRITE32(pAd, INT_MASK_CSR, regValue); /* 1:enable */
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}
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/*else */
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/* DBGPRINT(RT_DEBUG_TRACE, ("fOP_STATUS_DOZE !\n")); */
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if (regValue != 0)
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RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE);
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}
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static inline void rt2860_int_disable(struct rt_rtmp_adapter *pAd, unsigned int mode)
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{
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u32 regValue;
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pAd->int_disable_mask |= mode;
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regValue = pAd->int_enable_reg & ~(pAd->int_disable_mask);
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RTMP_IO_WRITE32(pAd, INT_MASK_CSR, regValue); /* 0: disable */
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if (regValue == 0) {
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RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE);
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}
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}
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/***************************************************************************
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*
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* tasklet related procedures.
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*
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**************************************************************************/
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static void mgmt_dma_done_tasklet(unsigned long data)
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{
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unsigned long flags;
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struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)data;
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INT_SOURCE_CSR_STRUC IntSource;
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struct os_cookie *pObj;
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/* Do nothing if the driver is starting halt state. */
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/* This might happen when timer already been fired before cancel timer with mlmehalt */
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if (RTMP_TEST_FLAG
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(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
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return;
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pObj = (struct os_cookie *)pAd->OS_Cookie;
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/* printk("mgmt_dma_done_process\n"); */
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IntSource.word = 0;
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IntSource.field.MgmtDmaDone = 1;
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pAd->int_pending &= ~INT_MGMT_DLY;
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RTMPHandleMgmtRingDmaDoneInterrupt(pAd);
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/* if you use RTMP_SEM_LOCK, sometimes kernel will hang up, no any */
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/* bug report output */
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RTMP_INT_LOCK(&pAd->irq_lock, flags);
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/*
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* double check to avoid lose of interrupts
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*/
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if (pAd->int_pending & INT_MGMT_DLY) {
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tasklet_hi_schedule(&pObj->mgmt_dma_done_task);
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RTMP_INT_UNLOCK(&pAd->irq_lock, flags);
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return;
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}
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/* enable TxDataInt again */
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rt2860_int_enable(pAd, INT_MGMT_DLY);
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RTMP_INT_UNLOCK(&pAd->irq_lock, flags);
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}
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static void rx_done_tasklet(unsigned long data)
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{
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unsigned long flags;
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struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)data;
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BOOLEAN bReschedule = 0;
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struct os_cookie *pObj;
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/* Do nothing if the driver is starting halt state. */
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/* This might happen when timer already been fired before cancel timer with mlmehalt */
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if (RTMP_TEST_FLAG
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(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
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return;
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pObj = (struct os_cookie *)pAd->OS_Cookie;
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pAd->int_pending &= ~(INT_RX);
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bReschedule = STARxDoneInterruptHandle(pAd, 0);
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RTMP_INT_LOCK(&pAd->irq_lock, flags);
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/*
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* double check to avoid rotting packet
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*/
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if (pAd->int_pending & INT_RX || bReschedule) {
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tasklet_hi_schedule(&pObj->rx_done_task);
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RTMP_INT_UNLOCK(&pAd->irq_lock, flags);
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return;
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}
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/* enable Rxint again */
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rt2860_int_enable(pAd, INT_RX);
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RTMP_INT_UNLOCK(&pAd->irq_lock, flags);
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}
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void fifo_statistic_full_tasklet(unsigned long data)
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{
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unsigned long flags;
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struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)data;
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struct os_cookie *pObj;
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/* Do nothing if the driver is starting halt state. */
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/* This might happen when timer already been fired before cancel timer with mlmehalt */
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if (RTMP_TEST_FLAG
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(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
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return;
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pObj = (struct os_cookie *)pAd->OS_Cookie;
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pAd->int_pending &= ~(FifoStaFullInt);
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NICUpdateFifoStaCounters(pAd);
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RTMP_INT_LOCK(&pAd->irq_lock, flags);
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/*
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* double check to avoid rotting packet
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*/
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if (pAd->int_pending & FifoStaFullInt) {
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tasklet_hi_schedule(&pObj->fifo_statistic_full_task);
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RTMP_INT_UNLOCK(&pAd->irq_lock, flags);
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return;
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}
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/* enable Rxint again */
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rt2860_int_enable(pAd, FifoStaFullInt);
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RTMP_INT_UNLOCK(&pAd->irq_lock, flags);
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}
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static void ac3_dma_done_tasklet(unsigned long data)
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{
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unsigned long flags;
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struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)data;
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INT_SOURCE_CSR_STRUC IntSource;
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struct os_cookie *pObj;
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BOOLEAN bReschedule = 0;
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/* Do nothing if the driver is starting halt state. */
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/* This might happen when timer already been fired before cancel timer with mlmehalt */
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if (RTMP_TEST_FLAG
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(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
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return;
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pObj = (struct os_cookie *)pAd->OS_Cookie;
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/* printk("ac0_dma_done_process\n"); */
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IntSource.word = 0;
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IntSource.field.Ac3DmaDone = 1;
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pAd->int_pending &= ~INT_AC3_DLY;
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bReschedule = RTMPHandleTxRingDmaDoneInterrupt(pAd, IntSource);
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RTMP_INT_LOCK(&pAd->irq_lock, flags);
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/*
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* double check to avoid lose of interrupts
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*/
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if ((pAd->int_pending & INT_AC3_DLY) || bReschedule) {
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tasklet_hi_schedule(&pObj->ac3_dma_done_task);
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RTMP_INT_UNLOCK(&pAd->irq_lock, flags);
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return;
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}
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/* enable TxDataInt again */
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rt2860_int_enable(pAd, INT_AC3_DLY);
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RTMP_INT_UNLOCK(&pAd->irq_lock, flags);
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}
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static void ac2_dma_done_tasklet(unsigned long data)
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{
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unsigned long flags;
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struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)data;
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INT_SOURCE_CSR_STRUC IntSource;
|
|
struct os_cookie *pObj;
|
|
BOOLEAN bReschedule = 0;
|
|
|
|
/* Do nothing if the driver is starting halt state. */
|
|
/* This might happen when timer already been fired before cancel timer with mlmehalt */
|
|
if (RTMP_TEST_FLAG
|
|
(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
|
|
return;
|
|
|
|
pObj = (struct os_cookie *)pAd->OS_Cookie;
|
|
|
|
IntSource.word = 0;
|
|
IntSource.field.Ac2DmaDone = 1;
|
|
pAd->int_pending &= ~INT_AC2_DLY;
|
|
|
|
bReschedule = RTMPHandleTxRingDmaDoneInterrupt(pAd, IntSource);
|
|
|
|
RTMP_INT_LOCK(&pAd->irq_lock, flags);
|
|
|
|
/*
|
|
* double check to avoid lose of interrupts
|
|
*/
|
|
if ((pAd->int_pending & INT_AC2_DLY) || bReschedule) {
|
|
tasklet_hi_schedule(&pObj->ac2_dma_done_task);
|
|
RTMP_INT_UNLOCK(&pAd->irq_lock, flags);
|
|
return;
|
|
}
|
|
|
|
/* enable TxDataInt again */
|
|
rt2860_int_enable(pAd, INT_AC2_DLY);
|
|
RTMP_INT_UNLOCK(&pAd->irq_lock, flags);
|
|
}
|
|
|
|
static void ac1_dma_done_tasklet(unsigned long data)
|
|
{
|
|
unsigned long flags;
|
|
struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)data;
|
|
INT_SOURCE_CSR_STRUC IntSource;
|
|
struct os_cookie *pObj;
|
|
BOOLEAN bReschedule = 0;
|
|
|
|
/* Do nothing if the driver is starting halt state. */
|
|
/* This might happen when timer already been fired before cancel timer with mlmehalt */
|
|
if (RTMP_TEST_FLAG
|
|
(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
|
|
return;
|
|
|
|
pObj = (struct os_cookie *)pAd->OS_Cookie;
|
|
|
|
/* printk("ac0_dma_done_process\n"); */
|
|
IntSource.word = 0;
|
|
IntSource.field.Ac1DmaDone = 1;
|
|
pAd->int_pending &= ~INT_AC1_DLY;
|
|
|
|
bReschedule = RTMPHandleTxRingDmaDoneInterrupt(pAd, IntSource);
|
|
|
|
RTMP_INT_LOCK(&pAd->irq_lock, flags);
|
|
/*
|
|
* double check to avoid lose of interrupts
|
|
*/
|
|
if ((pAd->int_pending & INT_AC1_DLY) || bReschedule) {
|
|
tasklet_hi_schedule(&pObj->ac1_dma_done_task);
|
|
RTMP_INT_UNLOCK(&pAd->irq_lock, flags);
|
|
return;
|
|
}
|
|
|
|
/* enable TxDataInt again */
|
|
rt2860_int_enable(pAd, INT_AC1_DLY);
|
|
RTMP_INT_UNLOCK(&pAd->irq_lock, flags);
|
|
}
|
|
|
|
static void ac0_dma_done_tasklet(unsigned long data)
|
|
{
|
|
unsigned long flags;
|
|
struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)data;
|
|
INT_SOURCE_CSR_STRUC IntSource;
|
|
struct os_cookie *pObj;
|
|
BOOLEAN bReschedule = 0;
|
|
|
|
/* Do nothing if the driver is starting halt state. */
|
|
/* This might happen when timer already been fired before cancel timer with mlmehalt */
|
|
if (RTMP_TEST_FLAG
|
|
(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
|
|
return;
|
|
|
|
pObj = (struct os_cookie *)pAd->OS_Cookie;
|
|
|
|
/* printk("ac0_dma_done_process\n"); */
|
|
IntSource.word = 0;
|
|
IntSource.field.Ac0DmaDone = 1;
|
|
pAd->int_pending &= ~INT_AC0_DLY;
|
|
|
|
/* RTMPHandleMgmtRingDmaDoneInterrupt(pAd); */
|
|
bReschedule = RTMPHandleTxRingDmaDoneInterrupt(pAd, IntSource);
|
|
|
|
RTMP_INT_LOCK(&pAd->irq_lock, flags);
|
|
/*
|
|
* double check to avoid lose of interrupts
|
|
*/
|
|
if ((pAd->int_pending & INT_AC0_DLY) || bReschedule) {
|
|
tasklet_hi_schedule(&pObj->ac0_dma_done_task);
|
|
RTMP_INT_UNLOCK(&pAd->irq_lock, flags);
|
|
return;
|
|
}
|
|
|
|
/* enable TxDataInt again */
|
|
rt2860_int_enable(pAd, INT_AC0_DLY);
|
|
RTMP_INT_UNLOCK(&pAd->irq_lock, flags);
|
|
}
|
|
|
|
/***************************************************************************
|
|
*
|
|
* interrupt handler related procedures.
|
|
*
|
|
**************************************************************************/
|
|
int print_int_count;
|
|
|
|
IRQ_HANDLE_TYPE rt2860_interrupt(int irq, void *dev_instance)
|
|
{
|
|
struct net_device *net_dev = (struct net_device *)dev_instance;
|
|
struct rt_rtmp_adapter *pAd = NULL;
|
|
INT_SOURCE_CSR_STRUC IntSource;
|
|
struct os_cookie *pObj;
|
|
|
|
GET_PAD_FROM_NET_DEV(pAd, net_dev);
|
|
|
|
pObj = (struct os_cookie *)pAd->OS_Cookie;
|
|
|
|
/* Note 03312008: we can not return here before
|
|
RTMP_IO_READ32(pAd, INT_SOURCE_CSR, &IntSource.word);
|
|
RTMP_IO_WRITE32(pAd, INT_SOURCE_CSR, IntSource.word);
|
|
Or kernel will panic after ifconfig ra0 down sometimes */
|
|
|
|
/* */
|
|
/* Inital the Interrupt source. */
|
|
/* */
|
|
IntSource.word = 0x00000000L;
|
|
/* McuIntSource.word = 0x00000000L; */
|
|
|
|
/* */
|
|
/* Get the interrupt sources & saved to local variable */
|
|
/* */
|
|
/*RTMP_IO_READ32(pAd, where, &McuIntSource.word); */
|
|
/*RTMP_IO_WRITE32(pAd, , McuIntSource.word); */
|
|
|
|
/* */
|
|
/* Flag fOP_STATUS_DOZE On, means ASIC put to sleep, elase means ASICK WakeUp */
|
|
/* And at the same time, clock maybe turned off that say there is no DMA service. */
|
|
/* when ASIC get to sleep. */
|
|
/* To prevent system hang on power saving. */
|
|
/* We need to check it before handle the INT_SOURCE_CSR, ASIC must be wake up. */
|
|
/* */
|
|
/* RT2661 => when ASIC is sleeping, MAC register cannot be read and written. */
|
|
/* RT2860 => when ASIC is sleeping, MAC register can be read and written. */
|
|
/* if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE)) */
|
|
{
|
|
RTMP_IO_READ32(pAd, INT_SOURCE_CSR, &IntSource.word);
|
|
RTMP_IO_WRITE32(pAd, INT_SOURCE_CSR, IntSource.word); /* write 1 to clear */
|
|
}
|
|
/* else */
|
|
/* DBGPRINT(RT_DEBUG_TRACE, (">>>fOP_STATUS_DOZE<<<\n")); */
|
|
|
|
/* RTMP_IO_READ32(pAd, INT_SOURCE_CSR, &IsrAfterClear); */
|
|
/* RTMP_IO_READ32(pAd, MCU_INT_SOURCE_CSR, &McuIsrAfterClear); */
|
|
/* DBGPRINT(RT_DEBUG_INFO, ("====> RTMPHandleInterrupt(ISR=%08x,Mcu ISR=%08x, After clear ISR=%08x, MCU ISR=%08x)\n", */
|
|
/* IntSource.word, McuIntSource.word, IsrAfterClear, McuIsrAfterClear)); */
|
|
|
|
/* Do nothing if Reset in progress */
|
|
if (RTMP_TEST_FLAG
|
|
(pAd,
|
|
(fRTMP_ADAPTER_RESET_IN_PROGRESS |
|
|
fRTMP_ADAPTER_HALT_IN_PROGRESS))) {
|
|
return IRQ_HANDLED;
|
|
}
|
|
/* */
|
|
/* Handle interrupt, walk through all bits */
|
|
/* Should start from highest priority interrupt */
|
|
/* The priority can be adjust by altering processing if statement */
|
|
/* */
|
|
|
|
#ifdef DBG
|
|
|
|
#endif
|
|
|
|
pAd->bPCIclkOff = FALSE;
|
|
|
|
/* If required spinlock, each interrupt service routine has to acquire */
|
|
/* and release itself. */
|
|
/* */
|
|
|
|
/* Do nothing if NIC doesn't exist */
|
|
if (IntSource.word == 0xffffffff) {
|
|
RTMP_SET_FLAG(pAd,
|
|
(fRTMP_ADAPTER_NIC_NOT_EXIST |
|
|
fRTMP_ADAPTER_HALT_IN_PROGRESS));
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
if (IntSource.word & TxCoherent) {
|
|
DBGPRINT(RT_DEBUG_ERROR, (">>>TxCoherent<<<\n"));
|
|
RTMPHandleRxCoherentInterrupt(pAd);
|
|
}
|
|
|
|
if (IntSource.word & RxCoherent) {
|
|
DBGPRINT(RT_DEBUG_ERROR, (">>>RxCoherent<<<\n"));
|
|
RTMPHandleRxCoherentInterrupt(pAd);
|
|
}
|
|
|
|
if (IntSource.word & FifoStaFullInt) {
|
|
if ((pAd->int_disable_mask & FifoStaFullInt) == 0) {
|
|
/* mask FifoStaFullInt */
|
|
rt2860_int_disable(pAd, FifoStaFullInt);
|
|
tasklet_hi_schedule(&pObj->fifo_statistic_full_task);
|
|
}
|
|
pAd->int_pending |= FifoStaFullInt;
|
|
}
|
|
|
|
if (IntSource.word & INT_MGMT_DLY) {
|
|
if ((pAd->int_disable_mask & INT_MGMT_DLY) == 0) {
|
|
rt2860_int_disable(pAd, INT_MGMT_DLY);
|
|
tasklet_hi_schedule(&pObj->mgmt_dma_done_task);
|
|
}
|
|
pAd->int_pending |= INT_MGMT_DLY;
|
|
}
|
|
|
|
if (IntSource.word & INT_RX) {
|
|
if ((pAd->int_disable_mask & INT_RX) == 0) {
|
|
|
|
/* mask Rxint */
|
|
rt2860_int_disable(pAd, INT_RX);
|
|
tasklet_hi_schedule(&pObj->rx_done_task);
|
|
}
|
|
pAd->int_pending |= INT_RX;
|
|
}
|
|
|
|
if (IntSource.word & INT_AC3_DLY) {
|
|
|
|
if ((pAd->int_disable_mask & INT_AC3_DLY) == 0) {
|
|
/* mask TxDataInt */
|
|
rt2860_int_disable(pAd, INT_AC3_DLY);
|
|
tasklet_hi_schedule(&pObj->ac3_dma_done_task);
|
|
}
|
|
pAd->int_pending |= INT_AC3_DLY;
|
|
}
|
|
|
|
if (IntSource.word & INT_AC2_DLY) {
|
|
|
|
if ((pAd->int_disable_mask & INT_AC2_DLY) == 0) {
|
|
/* mask TxDataInt */
|
|
rt2860_int_disable(pAd, INT_AC2_DLY);
|
|
tasklet_hi_schedule(&pObj->ac2_dma_done_task);
|
|
}
|
|
pAd->int_pending |= INT_AC2_DLY;
|
|
}
|
|
|
|
if (IntSource.word & INT_AC1_DLY) {
|
|
|
|
pAd->int_pending |= INT_AC1_DLY;
|
|
|
|
if ((pAd->int_disable_mask & INT_AC1_DLY) == 0) {
|
|
/* mask TxDataInt */
|
|
rt2860_int_disable(pAd, INT_AC1_DLY);
|
|
tasklet_hi_schedule(&pObj->ac1_dma_done_task);
|
|
}
|
|
|
|
}
|
|
|
|
if (IntSource.word & INT_AC0_DLY) {
|
|
|
|
/*
|
|
if (IntSource.word & 0x2) {
|
|
u32 reg;
|
|
RTMP_IO_READ32(pAd, DELAY_INT_CFG, ®);
|
|
printk("IntSource.word = %08x, DELAY_REG = %08x\n", IntSource.word, reg);
|
|
}
|
|
*/
|
|
pAd->int_pending |= INT_AC0_DLY;
|
|
|
|
if ((pAd->int_disable_mask & INT_AC0_DLY) == 0) {
|
|
/* mask TxDataInt */
|
|
rt2860_int_disable(pAd, INT_AC0_DLY);
|
|
tasklet_hi_schedule(&pObj->ac0_dma_done_task);
|
|
}
|
|
|
|
}
|
|
|
|
if (IntSource.word & PreTBTTInt) {
|
|
RTMPHandlePreTBTTInterrupt(pAd);
|
|
}
|
|
|
|
if (IntSource.word & TBTTInt) {
|
|
RTMPHandleTBTTInterrupt(pAd);
|
|
}
|
|
|
|
{
|
|
if (IntSource.word & AutoWakeupInt)
|
|
RTMPHandleTwakeupInterrupt(pAd);
|
|
}
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/*
|
|
* invaild or writeback cache
|
|
* and convert virtual address to physical address
|
|
*/
|
|
dma_addr_t linux_pci_map_single(struct rt_rtmp_adapter *pAd, void *ptr,
|
|
size_t size, int sd_idx, int direction)
|
|
{
|
|
struct os_cookie *pObj;
|
|
|
|
/*
|
|
------ Porting Information ------
|
|
> For Tx Alloc:
|
|
mgmt packets => sd_idx = 0
|
|
SwIdx: pAd->MgmtRing.TxCpuIdx
|
|
pTxD : pAd->MgmtRing.Cell[SwIdx].AllocVa;
|
|
|
|
data packets => sd_idx = 1
|
|
TxIdx : pAd->TxRing[pTxBlk->QueIdx].TxCpuIdx
|
|
QueIdx: pTxBlk->QueIdx
|
|
pTxD : pAd->TxRing[pTxBlk->QueIdx].Cell[TxIdx].AllocVa;
|
|
|
|
> For Rx Alloc:
|
|
sd_idx = -1
|
|
*/
|
|
|
|
pObj = (struct os_cookie *)pAd->OS_Cookie;
|
|
|
|
if (sd_idx == 1) {
|
|
struct rt_tx_blk *pTxBlk;
|
|
pTxBlk = (struct rt_tx_blk *)ptr;
|
|
return pci_map_single(pObj->pci_dev, pTxBlk->pSrcBufData,
|
|
pTxBlk->SrcBufLen, direction);
|
|
} else {
|
|
return pci_map_single(pObj->pci_dev, ptr, size, direction);
|
|
}
|
|
|
|
}
|
|
|
|
void linux_pci_unmap_single(struct rt_rtmp_adapter *pAd, dma_addr_t dma_addr,
|
|
size_t size, int direction)
|
|
{
|
|
struct os_cookie *pObj;
|
|
|
|
pObj = (struct os_cookie *)pAd->OS_Cookie;
|
|
|
|
pci_unmap_single(pObj->pci_dev, dma_addr, size, direction);
|
|
|
|
}
|