diff options
Diffstat (limited to 'drivers/staging/rt2860/2860_main_dev.c')
| -rw-r--r-- | drivers/staging/rt2860/2860_main_dev.c | 1319 |
1 files changed, 0 insertions, 1319 deletions
diff --git a/drivers/staging/rt2860/2860_main_dev.c b/drivers/staging/rt2860/2860_main_dev.c deleted file mode 100644 index c2f02963f91c..000000000000 --- a/drivers/staging/rt2860/2860_main_dev.c +++ /dev/null @@ -1,1319 +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: - 2870_main_dev.c - - Abstract: - Create and register network interface. - - Revision History: - Who When What - -------- ---------- ---------------------------------------------- -*/ - -#include "rt_config.h" - -extern INT __devinit rt28xx_probe(IN void *_dev_p, IN void *_dev_id_p, - IN UINT argc, OUT PRTMP_ADAPTER *ppAd); - -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 - -#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 - -/*---------------------------------------------------------------------*/ -/* Prototypes of Functions Used */ -/*---------------------------------------------------------------------*/ -/* function declarations */ -static INT __devinit rt2860_init_one (struct pci_dev *pci_dev, const struct pci_device_id *ent); -static VOID __devexit rt2860_remove_one(struct pci_dev *pci_dev); -static INT __devinit rt2860_probe(struct pci_dev *pci_dev, const struct pci_device_id *ent); -void init_thread_task(PRTMP_ADAPTER pAd); -static void __exit rt2860_cleanup_module(void); -static int __init rt2860_init_module(void); - -#ifdef CONFIG_PM -static int rt2860_suspend(struct pci_dev *pci_dev, pm_message_t state); -static int rt2860_resume(struct pci_dev *pci_dev); -#endif // CONFIG_PM // - - -// -// Ralink PCI device table, include all supported chipsets -// -static struct pci_device_id rt2860_pci_tbl[] __devinitdata = -{ - {PCI_DEVICE(NIC_PCI_VENDOR_ID, NIC2860_PCI_DEVICE_ID)}, //RT28602.4G - {PCI_DEVICE(NIC_PCI_VENDOR_ID, NIC2860_PCIe_DEVICE_ID)}, - {PCI_DEVICE(NIC_PCI_VENDOR_ID, NIC2760_PCI_DEVICE_ID)}, - {PCI_DEVICE(NIC_PCI_VENDOR_ID, NIC2790_PCIe_DEVICE_ID)}, - {PCI_DEVICE(VEN_AWT_PCI_VENDOR_ID, VEN_AWT_PCIe_DEVICE_ID)}, - {PCI_DEVICE(EDIMAX_PCI_VENDOR_ID, 0x7708)}, - {PCI_DEVICE(EDIMAX_PCI_VENDOR_ID, 0x7728)}, - {PCI_DEVICE(EDIMAX_PCI_VENDOR_ID, 0x7758)}, - {PCI_DEVICE(EDIMAX_PCI_VENDOR_ID, 0x7727)}, - {PCI_DEVICE(EDIMAX_PCI_VENDOR_ID, 0x7738)}, - {PCI_DEVICE(EDIMAX_PCI_VENDOR_ID, 0x7748)}, - {PCI_DEVICE(EDIMAX_PCI_VENDOR_ID, 0x7768)}, - {0,} // terminate list -}; - -MODULE_DEVICE_TABLE(pci, rt2860_pci_tbl); -MODULE_LICENSE("GPL"); -#ifdef MODULE_VERSION -MODULE_VERSION(STA_DRIVER_VERSION); -#endif - -// -// Our PCI driver structure -// -static struct pci_driver rt2860_driver = -{ - name: "rt2860", - id_table: rt2860_pci_tbl, - probe: rt2860_init_one, - remove: __devexit_p(rt2860_remove_one), - -#ifdef CONFIG_PM - suspend: rt2860_suspend, - resume: rt2860_resume, -#endif -}; - - -#ifdef CONFIG_PM - -VOID RT2860RejectPendingPackets( - IN PRTMP_ADAPTER pAd) -{ - // clear PS packets - // clear TxSw packets -} - -static int rt2860_suspend( - struct pci_dev *pci_dev, - pm_message_t state) -{ - struct net_device *net_dev = pci_get_drvdata(pci_dev); - PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)NULL; - INT32 retval; - - - DBGPRINT(RT_DEBUG_TRACE, ("===> rt2860_suspend()\n")); - - if (net_dev == NULL) - { - DBGPRINT(RT_DEBUG_ERROR, ("net_dev == NULL!\n")); - } - else - { - pAd = net_dev->ml_priv; - - /* we can not use IFF_UP because ra0 down but ra1 up */ - /* and 1 suspend/resume function for 1 module, not for each interface */ - /* so Linux will call suspend/resume function once */ - if (VIRTUAL_IF_NUM(pAd) > 0) - { - // avoid users do suspend after interface is down - - // stop interface - netif_carrier_off(net_dev); - netif_stop_queue(net_dev); - - // mark device as removed from system and therefore no longer available - netif_device_detach(net_dev); - - // mark halt flag - RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS); - RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_RADIO_OFF); - - // take down the device - rt28xx_close((PNET_DEV)net_dev); - - RT_MOD_DEC_USE_COUNT(); - } - } - - // reference to http://vovo2000.com/type-lab/linux/kernel-api/linux-kernel-api.html - // enable device to generate PME# when suspended - // pci_choose_state(): Choose the power state of a PCI device to be suspended - retval = pci_enable_wake(pci_dev, pci_choose_state(pci_dev, state), 1); - // save the PCI configuration space of a device before suspending - pci_save_state(pci_dev); - // disable PCI device after use - pci_disable_device(pci_dev); - - retval = pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state)); - - DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2860_suspend()\n")); - return retval; -} - -static int rt2860_resume( - struct pci_dev *pci_dev) -{ - struct net_device *net_dev = pci_get_drvdata(pci_dev); - PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)NULL; - INT32 retval; - - - // set the power state of a PCI device - // PCI has 4 power states, DO (normal) ~ D3(less power) - // in include/linux/pci.h, you can find that - // #define PCI_D0 ((pci_power_t __force) 0) - // #define PCI_D1 ((pci_power_t __force) 1) - // #define PCI_D2 ((pci_power_t __force) 2) - // #define PCI_D3hot ((pci_power_t __force) 3) - // #define PCI_D3cold ((pci_power_t __force) 4) - // #define PCI_UNKNOWN ((pci_power_t __force) 5) - // #define PCI_POWER_ERROR ((pci_power_t __force) -1) - retval = pci_set_power_state(pci_dev, PCI_D0); - - // restore the saved state of a PCI device - pci_restore_state(pci_dev); - - // initialize device before it's used by a driver - if (pci_enable_device(pci_dev)) - { - printk("pci enable fail!\n"); - return 0; - } - - DBGPRINT(RT_DEBUG_TRACE, ("===> rt2860_resume()\n")); - - if (net_dev == NULL) - { - DBGPRINT(RT_DEBUG_ERROR, ("net_dev == NULL!\n")); - } - else - pAd = net_dev->ml_priv; - - if (pAd != NULL) - { - /* we can not use IFF_UP because ra0 down but ra1 up */ - /* and 1 suspend/resume function for 1 module, not for each interface */ - /* so Linux will call suspend/resume function once */ - if (VIRTUAL_IF_NUM(pAd) > 0) - { - // mark device as attached from system and restart if needed - netif_device_attach(net_dev); - - if (rt28xx_open((PNET_DEV)net_dev) != 0) - { - // open fail - DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2860_resume()\n")); - return 0; - } - - // increase MODULE use count - RT_MOD_INC_USE_COUNT(); - - RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS); - RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_RADIO_OFF); - - netif_start_queue(net_dev); - netif_carrier_on(net_dev); - netif_wake_queue(net_dev); - } - } - - DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2860_resume()\n")); - return 0; -} -#endif // CONFIG_PM // - - -static INT __init rt2860_init_module(VOID) -{ - return pci_register_driver(&rt2860_driver); -} - - -// -// Driver module unload function -// -static VOID __exit rt2860_cleanup_module(VOID) -{ - pci_unregister_driver(&rt2860_driver); -} - -module_init(rt2860_init_module); -module_exit(rt2860_cleanup_module); - - -static INT __devinit rt2860_init_one ( - IN struct pci_dev *pci_dev, - IN const struct pci_device_id *ent) -{ - INT rc; - - DBGPRINT(RT_DEBUG_TRACE, ("===> rt2860_init_one\n")); - - // wake up and enable device - if (pci_enable_device (pci_dev)) - { - rc = -EIO; - } - else - { - rc = rt2860_probe(pci_dev, ent); - } - - DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2860_init_one\n")); - return rc; -} - - -static VOID __devexit rt2860_remove_one( - IN struct pci_dev *pci_dev) -{ - struct net_device *net_dev = pci_get_drvdata(pci_dev); - RTMP_ADAPTER *pAd = net_dev->ml_priv; - - DBGPRINT(RT_DEBUG_TRACE, ("===> rt2860_remove_one\n")); - - if (pAd != NULL) - { - // Unregister network device - unregister_netdev(net_dev); - - // Unmap CSR base address - iounmap((char *)(net_dev->base_addr)); - - RTMPFreeAdapter(pAd); - - // release memory region - release_mem_region(pci_resource_start(pci_dev, 0), pci_resource_len(pci_dev, 0)); - } - else - { - // Unregister network device - unregister_netdev(net_dev); - - // Unmap CSR base address - iounmap((char *)(net_dev->base_addr)); - - // release memory region - release_mem_region(pci_resource_start(pci_dev, 0), pci_resource_len(pci_dev, 0)); - } - - // Free pre-allocated net_device memory - free_netdev(net_dev); -} - -// -// PCI device probe & initialization function -// -static INT __devinit rt2860_probe( - IN struct pci_dev *pci_dev, - IN const struct pci_device_id *ent) -{ - PRTMP_ADAPTER pAd; - INT rv = 0; - - rv = (INT)rt28xx_probe((void *)pci_dev, (void *)ent, 0, &pAd); - OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE); - return rv; -} - - -void init_thread_task(IN PRTMP_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); -} - -void kill_thread_task(IN PRTMP_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); -} - - -static 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); - RTMP_IO_WRITE32(pAd, INT_MASK_CSR, regValue); // 1:enable - - if (regValue != 0) - RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE); -} - - -static 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); - } -} - -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; - - 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; - - pObj = (POS_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; - 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 hcca_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; - - - IntSource.word = 0; - IntSource.field.HccaDmaDone = 1; - pAd->int_pending &= ~INT_HCCA_DLY; - - RTMPHandleTxRingDmaDoneInterrupt(pAd, IntSource); - - RTMP_INT_LOCK(&pAd->irq_lock, flags); - /* - * double check to avoid lose of interrupts - */ - if (pAd->int_pending & INT_HCCA_DLY) - { - tasklet_hi_schedule(&pObj->hcca_dma_done_task); - RTMP_INT_UNLOCK(&pAd->irq_lock, flags); - return; - } - - /* enable TxDataInt again */ - rt2860_int_enable(pAd, INT_HCCA_DLY); - 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; - - 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; - - 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; - - IntSource.word = 0; - IntSource.field.Ac0DmaDone = 1; - pAd->int_pending &= ~INT_AC0_DLY; - - 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); -} - - -int print_int_count; - -IRQ_HANDLE_TYPE -rt2860_interrupt(int irq, void *dev_instance) -{ - struct net_device *net_dev = (struct net_device *) dev_instance; - PRTMP_ADAPTER pAd = net_dev->ml_priv; - INT_SOURCE_CSR_STRUC IntSource; - POS_COOKIE pObj; - BOOLEAN bOldValue; - - 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. - - bOldValue = pAd->bPCIclkOff; - pAd->bPCIclkOff = FALSE; - { - RTMP_IO_READ32(pAd, INT_SOURCE_CSR, &IntSource.word); - RTMP_IO_WRITE32(pAd, INT_SOURCE_CSR, IntSource.word); // write 1 to clear - } - pAd->bPCIclkOff = bOldValue; - - // Do nothing if Reset in progress - if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS) || - RTMP_TEST_FLAG(pAd, 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 - // - - // 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); - printk("snowpin - IntSource.word == 0xffffffff\n"); - 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 1 - 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; -#else - NICUpdateFifoStaCounters(pAd); -#endif - } - - 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_HCCA_DLY) - { - - if ((pAd->int_disable_mask & INT_HCCA_DLY) == 0) - { - /* mask TxDataInt */ - rt2860_int_disable(pAd, INT_HCCA_DLY); - tasklet_hi_schedule(&pObj->hcca_dma_done_task); - } - pAd->int_pending |= INT_HCCA_DLY; - } - - 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) - { - 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; -} - -/* -======================================================================== -Routine Description: - Check the chipset vendor/product ID. - -Arguments: - _dev_p Point to the PCI or USB device - -Return Value: - TRUE Check ok - FALSE Check fail - -Note: -======================================================================== -*/ -BOOLEAN RT28XXChipsetCheck( - IN void *_dev_p) -{ - /* always TRUE */ - return TRUE; -} - - -/* -======================================================================== -Routine Description: - Init net device structure. - -Arguments: - _dev_p Point to the PCI or USB device - *net_dev Point to the net device - *pAd the raxx interface data pointer - -Return Value: - TRUE Init ok - FALSE Init fail - -Note: -======================================================================== -*/ -BOOLEAN RT28XXNetDevInit( - IN void *_dev_p, - IN struct net_device *net_dev, - IN RTMP_ADAPTER *pAd) -{ - struct pci_dev *pci_dev = (struct pci_dev *)_dev_p; - const CHAR *print_name; - ULONG csr_addr; - - - print_name = pci_dev ? pci_name(pci_dev) : "rt2860"; - - net_dev->base_addr = 0; - net_dev->irq = 0; - - if (pci_request_regions(pci_dev, print_name)) - goto err_out_free_netdev; - - // interrupt IRQ number - net_dev->irq = pci_dev->irq; - - // map physical address to virtual address for accessing register - csr_addr = (unsigned long) ioremap(pci_resource_start(pci_dev, 0), - pci_resource_len(pci_dev, 0)); - - if (!csr_addr) - { - DBGPRINT(RT_DEBUG_ERROR, - ("ioremap failed for device %s, region 0x%lX @ 0x%lX\n", - print_name, (ULONG)pci_resource_len(pci_dev, 0), - (ULONG)pci_resource_start(pci_dev, 0))); - goto err_out_free_res; - } - - // Save CSR virtual address and irq to device structure - net_dev->base_addr = csr_addr; - pAd->CSRBaseAddress = (PUCHAR)net_dev->base_addr; - - // Set DMA master - pci_set_master(pci_dev); - - net_dev->priv_flags = INT_MAIN; - - DBGPRINT(RT_DEBUG_TRACE, ("%s: at 0x%lx, VA 0x%lx, IRQ %d. \n", - net_dev->name, (ULONG)pci_resource_start(pci_dev, 0), - (ULONG)csr_addr, pci_dev->irq)); - return TRUE; - - - /* --------------------------- ERROR HANDLE --------------------------- */ -err_out_free_res: - pci_release_regions(pci_dev); -err_out_free_netdev: - /* free netdev in caller, not here */ - return FALSE; -} - - -/* -======================================================================== -Routine Description: - Init net device structure. - -Arguments: - _dev_p Point to the PCI or USB device - *pAd the raxx interface data pointer - -Return Value: - TRUE Config ok - FALSE Config fail - -Note: -======================================================================== -*/ -BOOLEAN RT28XXProbePostConfig( - IN void *_dev_p, - IN RTMP_ADAPTER *pAd, - IN INT32 argc) -{ - /* no use */ - return TRUE; -} - - -/* -======================================================================== -Routine Description: - Disable DMA. - -Arguments: - *pAd the raxx interface data pointer - -Return Value: - None - -Note: -======================================================================== -*/ -VOID RT28XXDMADisable( - IN RTMP_ADAPTER *pAd) -{ - WPDMA_GLO_CFG_STRUC GloCfg; - - - RTMP_IO_READ32(pAd, WPDMA_GLO_CFG, &GloCfg.word); - GloCfg.word &= 0xff0; - GloCfg.field.EnTXWriteBackDDONE =1; - RTMP_IO_WRITE32(pAd, WPDMA_GLO_CFG, GloCfg.word); -} - - -/* -======================================================================== -Routine Description: - Enable DMA. - -Arguments: - *pAd the raxx interface data pointer - -Return Value: - None - -Note: -======================================================================== -*/ -VOID RT28XXDMAEnable( - IN RTMP_ADAPTER *pAd) -{ - WPDMA_GLO_CFG_STRUC GloCfg; - int i = 0; - - RTMP_IO_WRITE32(pAd, MAC_SYS_CTRL, 0x4); - do - { - RTMP_IO_READ32(pAd, WPDMA_GLO_CFG, &GloCfg.word); - if ((GloCfg.field.TxDMABusy == 0) && (GloCfg.field.RxDMABusy == 0)) - break; - - DBGPRINT(RT_DEBUG_TRACE, ("==> DMABusy\n")); - RTMPusecDelay(1000); - i++; - }while ( i <200); - - RTMPusecDelay(50); - - GloCfg.field.EnTXWriteBackDDONE = 1; - GloCfg.field.WPDMABurstSIZE = 2; - GloCfg.field.EnableRxDMA = 1; - GloCfg.field.EnableTxDMA = 1; - - DBGPRINT(RT_DEBUG_TRACE, ("<== WRITE DMA offset 0x208 = 0x%x\n", GloCfg.word)); - RTMP_IO_WRITE32(pAd, WPDMA_GLO_CFG, GloCfg.word); - -} - -/* -======================================================================== -Routine Description: - Write Beacon buffer to Asic. - -Arguments: - *pAd the raxx interface data pointer - -Return Value: - None - -Note: -======================================================================== -*/ -VOID RT28xx_UpdateBeaconToAsic( - IN RTMP_ADAPTER *pAd, - IN INT apidx, - IN ULONG FrameLen, - IN ULONG UpdatePos) -{ - ULONG CapInfoPos = 0; - UCHAR *ptr, *ptr_update, *ptr_capinfo; - UINT i; - BOOLEAN bBcnReq = FALSE; - UCHAR bcn_idx = 0; - - { - DBGPRINT(RT_DEBUG_ERROR, ("%s() : No valid Interface be found.\n", __func__)); - return; - } - - if (bBcnReq == FALSE) - { - /* when the ra interface is down, do not send its beacon frame */ - /* clear all zero */ - for(i=0; i<TXWI_SIZE; i+=4) - RTMP_IO_WRITE32(pAd, pAd->BeaconOffset[bcn_idx] + i, 0x00); - } - else - { - ptr = (PUCHAR)&pAd->BeaconTxWI; - - for (i=0; i<TXWI_SIZE; i+=4) // 16-byte TXWI field - { - UINT32 longptr = *ptr + (*(ptr+1)<<8) + (*(ptr+2)<<16) + (*(ptr+3)<<24); - RTMP_IO_WRITE32(pAd, pAd->BeaconOffset[bcn_idx] + i, longptr); - ptr += 4; - } - - // Update CapabilityInfo in Beacon - for (i = CapInfoPos; i < (CapInfoPos+2); i++) - { - RTMP_IO_WRITE8(pAd, pAd->BeaconOffset[bcn_idx] + TXWI_SIZE + i, *ptr_capinfo); - ptr_capinfo ++; - } - - if (FrameLen > UpdatePos) - { - for (i= UpdatePos; i< (FrameLen); i++) - { - RTMP_IO_WRITE8(pAd, pAd->BeaconOffset[bcn_idx] + TXWI_SIZE + i, *ptr_update); - ptr_update ++; - } - } - - } - -} - -VOID RTMPInitPCIeLinkCtrlValue( - IN PRTMP_ADAPTER pAd) -{ -} - -VOID RTMPFindHostPCIDev( - IN PRTMP_ADAPTER pAd) -{ -} - -/* - ======================================================================== - - Routine Description: - - Arguments: - Level = RESTORE_HALT : Restore PCI host and Ralink PCIe Link Control field to its default value. - Level = Other Value : Restore from dot11 power save or radio off status. And force PCI host Link Control fields to 0x1 - - ======================================================================== -*/ -VOID RTMPPCIeLinkCtrlValueRestore( - IN PRTMP_ADAPTER pAd, - IN UCHAR Level) -{ -} - -/* - ======================================================================== - - Routine Description: - - Arguments: - Max : limit Host PCI and Ralink PCIe device's LINK CONTROL field's value. - Because now frequently set our device to mode 1 or mode 3 will cause problem. - - ======================================================================== -*/ -VOID RTMPPCIeLinkCtrlSetting( - IN PRTMP_ADAPTER pAd, - IN USHORT Max) -{ -} - -VOID rt2860_stop(struct net_device *net_dev) -{ - PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)NULL; - if (net_dev == NULL) - { - DBGPRINT(RT_DEBUG_ERROR, ("net_dev == NULL!\n")); - } - else - pAd = net_dev->ml_priv; - - if (pAd != NULL) - { - // stop interface - netif_carrier_off(net_dev); - netif_stop_queue(net_dev); - - // mark device as removed from system and therefore no longer available - netif_device_detach(net_dev); - - // mark halt flag - RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS); - RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_RADIO_OFF); - - // take down the device - rt28xx_close((PNET_DEV)net_dev); - RT_MOD_DEC_USE_COUNT(); - } - return; -} - -/* - * 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); - -} - |