diff options
Diffstat (limited to 'drivers/staging/rt3090/rt_pci_rbus.c')
| -rw-r--r-- | drivers/staging/rt3090/rt_pci_rbus.c | 989 |
1 files changed, 0 insertions, 989 deletions
diff --git a/drivers/staging/rt3090/rt_pci_rbus.c b/drivers/staging/rt3090/rt_pci_rbus.c deleted file mode 100644 index 29913191273b..000000000000 --- a/drivers/staging/rt3090/rt_pci_rbus.c +++ /dev/null @@ -1,989 +0,0 @@ -/* - ************************************************************************* - * Ralink Tech Inc. - * 5F., No.36, Taiyuan St., Jhubei City, - * Hsinchu County 302, - * Taiwan, R.O.C. - * - * (c) Copyright 2002-2007, Ralink Technology, Inc. - * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - * * - ************************************************************************* - - Module Name: - rt_pci_rbus.c - - Abstract: - Create and register network interface. - - Revision History: - Who When What - -------- ---------- ---------------------------------------------- -*/ - -#include "rt_config.h" -#include <linux/pci.h> - - -IRQ_HANDLE_TYPE -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)) -rt2860_interrupt(int irq, void *dev_instance); -#else -rt2860_interrupt(int irq, void *dev_instance, struct pt_regs *regs); -#endif - - -static void rx_done_tasklet(unsigned long data); -static void mgmt_dma_done_tasklet(unsigned long data); -static void ac0_dma_done_tasklet(unsigned long data); -static void ac1_dma_done_tasklet(unsigned long data); -static void ac2_dma_done_tasklet(unsigned long data); -static void ac3_dma_done_tasklet(unsigned long data); -/*static void hcca_dma_done_tasklet(unsigned long data);*/ -static void fifo_statistic_full_tasklet(unsigned long data); - - - -/*---------------------------------------------------------------------*/ -/* Symbol & Macro Definitions */ -/*---------------------------------------------------------------------*/ -#define RT2860_INT_RX_DLY (1<<0) // bit 0 -#define RT2860_INT_TX_DLY (1<<1) // bit 1 -#define RT2860_INT_RX_DONE (1<<2) // bit 2 -#define RT2860_INT_AC0_DMA_DONE (1<<3) // bit 3 -#define RT2860_INT_AC1_DMA_DONE (1<<4) // bit 4 -#define RT2860_INT_AC2_DMA_DONE (1<<5) // bit 5 -#define RT2860_INT_AC3_DMA_DONE (1<<6) // bit 6 -#define RT2860_INT_HCCA_DMA_DONE (1<<7) // bit 7 -#define RT2860_INT_MGMT_DONE (1<<8) // bit 8 -#ifdef TONE_RADAR_DETECT_SUPPORT -#define RT2860_INT_TONE_RADAR (1<<20) // bit 20 -#endif // TONE_RADAR_DETECT_SUPPORT // - -#define INT_RX RT2860_INT_RX_DONE - -#define INT_AC0_DLY (RT2860_INT_AC0_DMA_DONE) //| RT2860_INT_TX_DLY) -#define INT_AC1_DLY (RT2860_INT_AC1_DMA_DONE) //| RT2860_INT_TX_DLY) -#define INT_AC2_DLY (RT2860_INT_AC2_DMA_DONE) //| RT2860_INT_TX_DLY) -#define INT_AC3_DLY (RT2860_INT_AC3_DMA_DONE) //| RT2860_INT_TX_DLY) -#define INT_HCCA_DLY (RT2860_INT_HCCA_DMA_DONE) //| RT2860_INT_TX_DLY) -#define INT_MGMT_DLY RT2860_INT_MGMT_DONE -#ifdef TONE_RADAR_DETECT_SUPPORT -#define INT_TONE_RADAR (RT2860_INT_TONE_RADAR) -#endif // TONE_RADAR_DETECT_SUPPORT // - - -/*************************************************************************** - * - * Interface-depended memory allocation/Free related procedures. - * Mainly for Hardware TxDesc/RxDesc/MgmtDesc, DMA Memory for TxData/RxData, etc., - * - **************************************************************************/ -// Function for TxDesc Memory allocation. -void RTMP_AllocateTxDescMemory( - IN PRTMP_ADAPTER pAd, - IN UINT Index, - IN ULONG Length, - IN BOOLEAN Cached, - OUT PVOID *VirtualAddress, - OUT PNDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie; - - *VirtualAddress = (PVOID)pci_alloc_consistent(pObj->pci_dev,sizeof(char)*Length, PhysicalAddress); - -} - - -// Function for MgmtDesc Memory allocation. -void RTMP_AllocateMgmtDescMemory( - IN PRTMP_ADAPTER pAd, - IN ULONG Length, - IN BOOLEAN Cached, - OUT PVOID *VirtualAddress, - OUT PNDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie; - - *VirtualAddress = (PVOID)pci_alloc_consistent(pObj->pci_dev,sizeof(char)*Length, PhysicalAddress); - -} - - -// Function for RxDesc Memory allocation. -void RTMP_AllocateRxDescMemory( - IN PRTMP_ADAPTER pAd, - IN ULONG Length, - IN BOOLEAN Cached, - OUT PVOID *VirtualAddress, - OUT PNDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie; - - *VirtualAddress = (PVOID)pci_alloc_consistent(pObj->pci_dev,sizeof(char)*Length, PhysicalAddress); - -} - - -// Function for free allocated Desc Memory. -void RTMP_FreeDescMemory( - IN PRTMP_ADAPTER pAd, - IN ULONG Length, - IN PVOID VirtualAddress, - IN NDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie; - - pci_free_consistent(pObj->pci_dev, Length, VirtualAddress, PhysicalAddress); -} - - -// Function for TxData DMA Memory allocation. -void RTMP_AllocateFirstTxBuffer( - IN PRTMP_ADAPTER pAd, - IN UINT Index, - IN ULONG Length, - IN BOOLEAN Cached, - OUT PVOID *VirtualAddress, - OUT PNDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie; - - *VirtualAddress = (PVOID)pci_alloc_consistent(pObj->pci_dev,sizeof(char)*Length, PhysicalAddress); -} - - -void RTMP_FreeFirstTxBuffer( - IN PRTMP_ADAPTER pAd, - IN ULONG Length, - IN BOOLEAN Cached, - IN PVOID VirtualAddress, - IN NDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie; - - pci_free_consistent(pObj->pci_dev, Length, VirtualAddress, PhysicalAddress); -} - - -/* - * FUNCTION: Allocate a common buffer for DMA - * ARGUMENTS: - * AdapterHandle: AdapterHandle - * Length: Number of bytes to allocate - * Cached: Whether or not the memory can be cached - * VirtualAddress: Pointer to memory is returned here - * PhysicalAddress: Physical address corresponding to virtual address - */ -void RTMP_AllocateSharedMemory( - IN PRTMP_ADAPTER pAd, - IN ULONG Length, - IN BOOLEAN Cached, - OUT PVOID *VirtualAddress, - OUT PNDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie; - - *VirtualAddress = (PVOID)pci_alloc_consistent(pObj->pci_dev,sizeof(char)*Length, PhysicalAddress); -} - - -/* - * FUNCTION: Allocate a packet buffer for DMA - * ARGUMENTS: - * AdapterHandle: AdapterHandle - * Length: Number of bytes to allocate - * Cached: Whether or not the memory can be cached - * VirtualAddress: Pointer to memory is returned here - * PhysicalAddress: Physical address corresponding to virtual address - * Notes: - * Cached is ignored: always cached memory - */ -PNDIS_PACKET RTMP_AllocateRxPacketBuffer( - IN PRTMP_ADAPTER pAd, - IN ULONG Length, - IN BOOLEAN Cached, - OUT PVOID *VirtualAddress, - OUT PNDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - struct sk_buff *pkt; - - pkt = dev_alloc_skb(Length); - - if (pkt == NULL) { - DBGPRINT(RT_DEBUG_ERROR, ("can't allocate rx %ld size packet\n",Length)); - } - - if (pkt) { - RTMP_SET_PACKET_SOURCE(OSPKT_TO_RTPKT(pkt), PKTSRC_NDIS); - *VirtualAddress = (PVOID) pkt->data; -//#ifdef CONFIG_5VT_ENHANCE -// *PhysicalAddress = PCI_MAP_SINGLE(pAd, *VirtualAddress, 1600, PCI_DMA_FROMDEVICE); -//#else - *PhysicalAddress = PCI_MAP_SINGLE(pAd, *VirtualAddress, Length, -1, PCI_DMA_FROMDEVICE); -//#endif - } else { - *VirtualAddress = (PVOID) NULL; - *PhysicalAddress = (NDIS_PHYSICAL_ADDRESS) NULL; - } - - return (PNDIS_PACKET) pkt; -} - - -VOID Invalid_Remaining_Packet( - IN PRTMP_ADAPTER pAd, - IN ULONG VirtualAddress) -{ - NDIS_PHYSICAL_ADDRESS PhysicalAddress; - - PhysicalAddress = PCI_MAP_SINGLE(pAd, (void *)(VirtualAddress+1600), RX_BUFFER_NORMSIZE-1600, -1, PCI_DMA_FROMDEVICE); -} - - -int RtmpOSIRQRequest(IN struct net_device *net_dev) -{ - PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)(RTMP_OS_NETDEV_GET_PRIV(net_dev)); - int retval = 0; - - ASSERT(pAd); - - if (pAd->infType != RTMP_DEV_INF_RBUS) - { - POS_COOKIE _pObj = (POS_COOKIE)(pAd->OS_Cookie); - RTMP_MSI_ENABLE(pAd); - retval = request_irq(_pObj->pci_dev->irq, rt2860_interrupt, SA_SHIRQ, (net_dev)->name, (net_dev)); - if (retval != 0) - printk("RT2860: request_irq ERROR(%d)\n", retval); - } - else - { -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22) - if ((retval = request_irq(net_dev->irq, rt2860_interrupt, IRQF_SHARED, net_dev->name ,net_dev))) -#else - if ((retval = request_irq(net_dev->irq,rt2860_interrupt, SA_INTERRUPT, net_dev->name ,net_dev))) -#endif - { - printk("RT2860: request_irq ERROR(%d)\n", retval); - } - } - - return retval; - -} - - -int RtmpOSIRQRelease(IN struct net_device *net_dev) -{ - PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)(RTMP_OS_NETDEV_GET_PRIV(net_dev)); - - ASSERT(pAd); - if (pAd->infType != RTMP_DEV_INF_RBUS) - { - POS_COOKIE pObj = (POS_COOKIE)(pAd->OS_Cookie); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - synchronize_irq(pObj->pci_dev->irq); -#endif - free_irq(pObj->pci_dev->irq, (net_dev)); - RTMP_MSI_DISABLE(pAd); - } - else - { -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - synchronize_irq(net_dev->irq); -#endif - free_irq(net_dev->irq, (net_dev)); - } - - return 0; -} - - -NDIS_STATUS RtmpNetTaskInit(IN RTMP_ADAPTER *pAd) -{ - POS_COOKIE pObj; - - pObj = (POS_COOKIE) pAd->OS_Cookie; - - tasklet_init(&pObj->rx_done_task, rx_done_tasklet, (unsigned long)pAd); - tasklet_init(&pObj->mgmt_dma_done_task, mgmt_dma_done_tasklet, (unsigned long)pAd); - tasklet_init(&pObj->ac0_dma_done_task, ac0_dma_done_tasklet, (unsigned long)pAd); - tasklet_init(&pObj->ac1_dma_done_task, ac1_dma_done_tasklet, (unsigned long)pAd); - tasklet_init(&pObj->ac2_dma_done_task, ac2_dma_done_tasklet, (unsigned long)pAd); - tasklet_init(&pObj->ac3_dma_done_task, ac3_dma_done_tasklet, (unsigned long)pAd); - /*tasklet_init(&pObj->hcca_dma_done_task, hcca_dma_done_tasklet, (unsigned long)pAd);*/ - tasklet_init(&pObj->tbtt_task, tbtt_tasklet, (unsigned long)pAd); - tasklet_init(&pObj->fifo_statistic_full_task, fifo_statistic_full_tasklet, (unsigned long)pAd); - - return NDIS_STATUS_SUCCESS; -} - - -void RtmpNetTaskExit(IN RTMP_ADAPTER *pAd) -{ - POS_COOKIE pObj; - - pObj = (POS_COOKIE) pAd->OS_Cookie; - - tasklet_kill(&pObj->rx_done_task); - tasklet_kill(&pObj->mgmt_dma_done_task); - tasklet_kill(&pObj->ac0_dma_done_task); - tasklet_kill(&pObj->ac1_dma_done_task); - tasklet_kill(&pObj->ac2_dma_done_task); - tasklet_kill(&pObj->ac3_dma_done_task); - /*tasklet_kill(&pObj->hcca_dma_done_task);*/ - tasklet_kill(&pObj->tbtt_task); - tasklet_kill(&pObj->fifo_statistic_full_task); -} - - -NDIS_STATUS RtmpMgmtTaskInit(IN RTMP_ADAPTER *pAd) -{ - - - return NDIS_STATUS_SUCCESS; -} - - -/* -======================================================================== -Routine Description: - Close kernel threads. - -Arguments: - *pAd the raxx interface data pointer - -Return Value: - NONE - -Note: -======================================================================== -*/ -VOID RtmpMgmtTaskExit( - IN RTMP_ADAPTER *pAd) -{ - - - return; -} - - -static inline void rt2860_int_enable(PRTMP_ADAPTER pAd, unsigned int mode) -{ - u32 regValue; - - pAd->int_disable_mask &= ~(mode); - regValue = pAd->int_enable_reg & ~(pAd->int_disable_mask); - //if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE)) - { - RTMP_IO_WRITE32(pAd, INT_MASK_CSR, regValue); // 1:enable - } - //else - // DBGPRINT(RT_DEBUG_TRACE, ("fOP_STATUS_DOZE !\n")); - - if (regValue != 0) - RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE); -} - - -static inline void rt2860_int_disable(PRTMP_ADAPTER pAd, unsigned int mode) -{ - u32 regValue; - - pAd->int_disable_mask |= mode; - regValue = pAd->int_enable_reg & ~(pAd->int_disable_mask); - RTMP_IO_WRITE32(pAd, INT_MASK_CSR, regValue); // 0: disable - - if (regValue == 0) - { - RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE); - } -} - - -/*************************************************************************** - * - * tasklet related procedures. - * - **************************************************************************/ -static void mgmt_dma_done_tasklet(unsigned long data) -{ - unsigned long flags; - PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; - INT_SOURCE_CSR_STRUC IntSource; - POS_COOKIE pObj; - - // 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 = (POS_COOKIE) pAd->OS_Cookie; - -// printk("mgmt_dma_done_process\n"); - IntSource.word = 0; - IntSource.field.MgmtDmaDone = 1; - pAd->int_pending &= ~INT_MGMT_DLY; - - RTMPHandleMgmtRingDmaDoneInterrupt(pAd); - - // if you use RTMP_SEM_LOCK, sometimes kernel will hang up, no any - // bug report output - RTMP_INT_LOCK(&pAd->irq_lock, flags); - /* - * double check to avoid lose of interrupts - */ - if (pAd->int_pending & INT_MGMT_DLY) - { - tasklet_hi_schedule(&pObj->mgmt_dma_done_task); - RTMP_INT_UNLOCK(&pAd->irq_lock, flags); - return; - } - - /* enable TxDataInt again */ - rt2860_int_enable(pAd, INT_MGMT_DLY); - RTMP_INT_UNLOCK(&pAd->irq_lock, flags); -} - - -static void rx_done_tasklet(unsigned long data) -{ - unsigned long flags; - PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; - BOOLEAN bReschedule = 0; - POS_COOKIE pObj; - - // 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; - -#ifdef UAPSD_AP_SUPPORT - UAPSD_TIMING_RECORD(pAd, UAPSD_TIMING_RECORD_TASKLET); -#endif // UAPSD_AP_SUPPORT // - - pObj = (POS_COOKIE) pAd->OS_Cookie; - - pAd->int_pending &= ~(INT_RX); -#ifdef CONFIG_STA_SUPPORT - IF_DEV_CONFIG_OPMODE_ON_STA(pAd) - bReschedule = STARxDoneInterruptHandle(pAd, 0); -#endif // CONFIG_STA_SUPPORT // - -#ifdef UAPSD_AP_SUPPORT - UAPSD_TIMING_RECORD_STOP(); -#endif // UAPSD_AP_SUPPORT // - - RTMP_INT_LOCK(&pAd->irq_lock, flags); - /* - * double check to avoid rotting packet - */ - if (pAd->int_pending & INT_RX || bReschedule) - { - tasklet_hi_schedule(&pObj->rx_done_task); - RTMP_INT_UNLOCK(&pAd->irq_lock, flags); - return; - } - - /* enable RxINT again */ - rt2860_int_enable(pAd, INT_RX); - RTMP_INT_UNLOCK(&pAd->irq_lock, flags); - -} - - -void fifo_statistic_full_tasklet(unsigned long data) -{ - unsigned long flags; - PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; - POS_COOKIE pObj; - - // 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 = (POS_COOKIE) pAd->OS_Cookie; - - pAd->int_pending &= ~(FifoStaFullInt); - NICUpdateFifoStaCounters(pAd); - - RTMP_INT_LOCK(&pAd->irq_lock, flags); - /* - * double check to avoid rotting packet - */ - if (pAd->int_pending & FifoStaFullInt) - { - tasklet_hi_schedule(&pObj->fifo_statistic_full_task); - RTMP_INT_UNLOCK(&pAd->irq_lock, flags); - return; - } - - /* enable RxINT again */ - - rt2860_int_enable(pAd, FifoStaFullInt); - RTMP_INT_UNLOCK(&pAd->irq_lock, flags); - -} - - - - -static void ac3_dma_done_tasklet(unsigned long data) -{ - unsigned long flags; - PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; - INT_SOURCE_CSR_STRUC IntSource; - POS_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 = (POS_COOKIE) pAd->OS_Cookie; - -// printk("ac0_dma_done_process\n"); - IntSource.word = 0; - IntSource.field.Ac3DmaDone = 1; - pAd->int_pending &= ~INT_AC3_DLY; - - bReschedule = RTMPHandleTxRingDmaDoneInterrupt(pAd, IntSource); - - RTMP_INT_LOCK(&pAd->irq_lock, flags); - /* - * double check to avoid lose of interrupts - */ - if ((pAd->int_pending & INT_AC3_DLY) || bReschedule) - { - tasklet_hi_schedule(&pObj->ac3_dma_done_task); - RTMP_INT_UNLOCK(&pAd->irq_lock, flags); - return; - } - - /* enable TxDataInt again */ - rt2860_int_enable(pAd, INT_AC3_DLY); - RTMP_INT_UNLOCK(&pAd->irq_lock, flags); -} - - -static void ac2_dma_done_tasklet(unsigned long data) -{ - unsigned long flags; - PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; - INT_SOURCE_CSR_STRUC IntSource; - POS_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 = (POS_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; - PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; - INT_SOURCE_CSR_STRUC IntSource; - POS_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 = (POS_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; - PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) data; - INT_SOURCE_CSR_STRUC IntSource; - POS_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 = (POS_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 -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)) -rt2860_interrupt(int irq, void *dev_instance) -#else -rt2860_interrupt(int irq, void *dev_instance, struct pt_regs *regs) -#endif -{ - struct net_device *net_dev = (struct net_device *) dev_instance; - PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) RTMP_OS_NETDEV_GET_PRIV(net_dev); - INT_SOURCE_CSR_STRUC IntSource; - POS_COOKIE pObj; - - pObj = (POS_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))) - { -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - return IRQ_HANDLED; -#else - return; -#endif - } - - // - // 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)); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - return IRQ_HANDLED; -#else - return; -#endif - } - - 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); - } - - - - -#ifdef CONFIG_STA_SUPPORT - IF_DEV_CONFIG_OPMODE_ON_STA(pAd) - { - if (IntSource.word & AutoWakeupInt) - RTMPHandleTwakeupInterrupt(pAd); - } -#endif // CONFIG_STA_SUPPORT // - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - return IRQ_HANDLED; -#endif - -} - -/* - * invaild or writeback cache - * and convert virtual address to physical address - */ -dma_addr_t linux_pci_map_single(void *handle, void *ptr, size_t size, int sd_idx, int direction) -{ - PRTMP_ADAPTER pAd; - POS_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 - */ - - pAd = (PRTMP_ADAPTER)handle; - pObj = (POS_COOKIE)pAd->OS_Cookie; - - if (sd_idx == 1) - { - PTX_BLK pTxBlk; - pTxBlk = (PTX_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(void *handle, dma_addr_t dma_addr, size_t size, int direction) -{ - PRTMP_ADAPTER pAd; - POS_COOKIE pObj; - - pAd=(PRTMP_ADAPTER)handle; - pObj = (POS_COOKIE)pAd->OS_Cookie; - - pci_unmap_single(pObj->pci_dev, dma_addr, size, direction); - -} |