diff options
Diffstat (limited to 'drivers/staging/rt2860/rt_pci_rbus.c')
| -rw-r--r-- | drivers/staging/rt2860/rt_pci_rbus.c | 837 |
1 files changed, 0 insertions, 837 deletions
diff --git a/drivers/staging/rt2860/rt_pci_rbus.c b/drivers/staging/rt2860/rt_pci_rbus.c deleted file mode 100644 index f80ab4e6a0ac..000000000000 --- a/drivers/staging/rt2860/rt_pci_rbus.c +++ /dev/null @@ -1,837 +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 - Justin P. Mattock 11/07/2010 Fix a typo - -------- ---------- ---------------------------------------------- -*/ - -#include "rt_config.h" -#include <linux/pci.h> - -IRQ_HANDLE_TYPE rt2860_interrupt(int irq, void *dev_instance); - -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 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 */ - -#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 - -/*************************************************************************** - * - * 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(struct rt_rtmp_adapter *pAd, - u32 Index, - unsigned long Length, - IN BOOLEAN Cached, - void **VirtualAddress, - dma_addr_t *PhysicalAddress) -{ - struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie; - - *VirtualAddress = - (void *)pci_alloc_consistent(pObj->pci_dev, sizeof(char) * Length, - PhysicalAddress); - -} - -/* Function for MgmtDesc Memory allocation. */ -void RTMP_AllocateMgmtDescMemory(struct rt_rtmp_adapter *pAd, - unsigned long Length, - IN BOOLEAN Cached, - void **VirtualAddress, - dma_addr_t *PhysicalAddress) -{ - struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie; - - *VirtualAddress = - (void *)pci_alloc_consistent(pObj->pci_dev, sizeof(char) * Length, - PhysicalAddress); - -} - -/* Function for RxDesc Memory allocation. */ -void RTMP_AllocateRxDescMemory(struct rt_rtmp_adapter *pAd, - unsigned long Length, - IN BOOLEAN Cached, - void **VirtualAddress, - dma_addr_t *PhysicalAddress) -{ - struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie; - - *VirtualAddress = - (void *)pci_alloc_consistent(pObj->pci_dev, sizeof(char) * Length, - PhysicalAddress); - -} - -/* Function for free allocated Desc Memory. */ -void RTMP_FreeDescMemory(struct rt_rtmp_adapter *pAd, - unsigned long Length, - void *VirtualAddress, - dma_addr_t PhysicalAddress) -{ - struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie; - - pci_free_consistent(pObj->pci_dev, Length, VirtualAddress, - PhysicalAddress); -} - -/* Function for TxData DMA Memory allocation. */ -void RTMP_AllocateFirstTxBuffer(struct rt_rtmp_adapter *pAd, - u32 Index, - unsigned long Length, - IN BOOLEAN Cached, - void **VirtualAddress, - dma_addr_t *PhysicalAddress) -{ - struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie; - - *VirtualAddress = - (void *)pci_alloc_consistent(pObj->pci_dev, sizeof(char) * Length, - PhysicalAddress); -} - -void RTMP_FreeFirstTxBuffer(struct rt_rtmp_adapter *pAd, - unsigned long Length, - IN BOOLEAN Cached, - void *VirtualAddress, - dma_addr_t PhysicalAddress) -{ - struct os_cookie *pObj = (struct os_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(struct rt_rtmp_adapter *pAd, - unsigned long Length, - IN BOOLEAN Cached, - void **VirtualAddress, - dma_addr_t *PhysicalAddress) -{ - struct os_cookie *pObj = (struct os_cookie *)pAd->OS_Cookie; - - *VirtualAddress = - (void *)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 - */ -void *RTMP_AllocateRxPacketBuffer(struct rt_rtmp_adapter *pAd, - unsigned long Length, - IN BOOLEAN Cached, - void **VirtualAddress, - OUT dma_addr_t * - 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 = (void *)pkt->data; - *PhysicalAddress = - PCI_MAP_SINGLE(pAd, *VirtualAddress, Length, -1, - PCI_DMA_FROMDEVICE); - } else { - *VirtualAddress = (void *)NULL; - *PhysicalAddress = (dma_addr_t)NULL; - } - - return (void *)pkt; -} - -void Invalid_Remaining_Packet(struct rt_rtmp_adapter *pAd, unsigned long VirtualAddress) -{ - dma_addr_t PhysicalAddress; - - PhysicalAddress = - PCI_MAP_SINGLE(pAd, (void *)(VirtualAddress + 1600), - RX_BUFFER_NORMSIZE - 1600, -1, PCI_DMA_FROMDEVICE); -} - -int RtmpNetTaskInit(struct rt_rtmp_adapter *pAd) -{ - struct os_cookie *pObj; - - pObj = (struct os_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->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(struct rt_rtmp_adapter *pAd) -{ - struct os_cookie *pObj; - - pObj = (struct os_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->tbtt_task); - tasklet_kill(&pObj->fifo_statistic_full_task); -} - -int RtmpMgmtTaskInit(struct rt_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(struct rt_rtmp_adapter *pAd) -{ - - return; -} - -static inline void rt2860_int_enable(struct rt_rtmp_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(struct rt_rtmp_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; - struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)data; - INT_SOURCE_CSR_STRUC IntSource; - struct os_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 = (struct os_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, without 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; - struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)data; - BOOLEAN bReschedule = 0; - struct os_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 = (struct os_cookie *)pAd->OS_Cookie; - - pAd->int_pending &= ~(INT_RX); - bReschedule = STARxDoneInterruptHandle(pAd, 0); - - 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; - struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)data; - struct os_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 = (struct os_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; - 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.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; - 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; - - 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 */ - - /* */ - /* Initial 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; -} - -/* - * invalid 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); - -} |