static void ar6000_hci_pkt_recv(void *pContext, HTC_PACKET *pPacket) { AR6K_HCI_BRIDGE_INFO *pHcidevInfo = (AR6K_HCI_BRIDGE_INFO *)pContext; struct sk_buff *skb; AR_SOFTC_DEV_T *arDev = pHcidevInfo->ar->arDev[0]; A_ASSERT(pHcidevInfo != NULL); skb = (struct sk_buff *)pPacket->pPktContext; A_ASSERT(skb != NULL); do { if (A_FAILED(pPacket->Status)) { break; } AR_DEBUG_PRINTF(ATH_DEBUG_HCI_RECV, ("HCI Bridge, packet received type : %d len:%d \n", HCI_GET_PACKET_TYPE(pPacket),pPacket->ActualLength)); /* set the actual buffer position in the os buffer, HTC recv buffers posted to HCI are set * to fill the front of the buffer */ A_NETBUF_PUT(skb,pPacket->ActualLength + pHcidevInfo->HCIProps.HeadRoom); A_NETBUF_PULL(skb,pHcidevInfo->HCIProps.HeadRoom); if (AR_DEBUG_LVL_CHECK(ATH_DEBUG_HCI_DUMP)) { AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("<<< Recv HCI %s packet len:%d \n", (HCI_GET_PACKET_TYPE(pPacket) == HCI_EVENT_TYPE) ? "EVENT" : "ACL", skb->len)); AR_DEBUG_PRINTBUF(skb->data, skb->len,"BT HCI RECV Packet Dump"); } if (pHcidevInfo->HciNormalMode) { /* indicate the packet */ if (bt_indicate_recv(pHcidevInfo,HCI_GET_PACKET_TYPE(pPacket),skb)) { /* bt stack accepted the packet */ skb = NULL; } break; } /* for testing, indicate packet to the network stack */ #ifdef EXPORT_HCI_BRIDGE_INTERFACE skb->dev = (struct net_device *)(pHcidevInfo->HCITransHdl.netDevice); if ((((struct net_device *)pHcidevInfo->HCITransHdl.netDevice)->flags & IFF_UP) == IFF_UP) { skb->protocol = eth_type_trans(skb, (struct net_device *)(pHcidevInfo->HCITransHdl.netDevice)); #else skb->dev = arDev->arNetDev; if ((arDev->arNetDev->flags & IFF_UP) == IFF_UP) { skb->protocol = eth_type_trans(skb, arDev->arNetDev); #endif netif_rx(skb); skb = NULL; } } while (FALSE); FreeHTCStruct(pHcidevInfo,pPacket); if (skb != NULL) { /* packet was not accepted, free it */ FreeBtOsBuf(pHcidevInfo,skb); } } static void ar6000_hci_pkt_refill(void *pContext, HCI_TRANSPORT_PACKET_TYPE Type, int BuffersAvailable) { AR6K_HCI_BRIDGE_INFO *pHcidevInfo = (AR6K_HCI_BRIDGE_INFO *)pContext; int refillCount; if (Type == HCI_ACL_TYPE) { refillCount = MAX_ACL_RECV_BUFS - BuffersAvailable; } else { refillCount = MAX_EVT_RECV_BUFS - BuffersAvailable; } if (refillCount > 0) { RefillRecvBuffers(pHcidevInfo,Type,refillCount); } }
static int ar6000_hci_transport_ready(HCI_TRANSPORT_HANDLE HCIHandle, struct hci_transport_properties *pProps, void *pContext) { struct ar6k_hci_bridge_info *pHcidevInfo = (struct ar6k_hci_bridge_info *)pContext; int status; u32 address, hci_uart_pwr_mgmt_params; // struct ar3k_config_info ar3kconfig; pHcidevInfo->pHCIDev = HCIHandle; memcpy(&pHcidevInfo->HCIProps,pProps,sizeof(*pProps)); AR_DEBUG_PRINTF(ATH_DEBUG_HCI_BRIDGE,("HCI ready (hci:0x%lX, headroom:%d, tailroom:%d blockpad:%d) \n", (unsigned long)HCIHandle, pHcidevInfo->HCIProps.HeadRoom, pHcidevInfo->HCIProps.TailRoom, pHcidevInfo->HCIProps.IOBlockPad)); #ifdef EXPORT_HCI_BRIDGE_INTERFACE A_ASSERT((pProps->HeadRoom + pProps->TailRoom) <= (struct net_device *)(pHcidevInfo->HCITransHdl.netDevice)->hard_header_len); #else A_ASSERT((pProps->HeadRoom + pProps->TailRoom) <= pHcidevInfo->ar->arNetDev->hard_header_len); #endif /* provide buffers */ RefillRecvBuffers(pHcidevInfo, HCI_ACL_TYPE, MAX_ACL_RECV_BUFS); RefillRecvBuffers(pHcidevInfo, HCI_EVENT_TYPE, MAX_EVT_RECV_BUFS); do { /* start transport */ status = HCI_TransportStart(pHcidevInfo->pHCIDev); if (status) { break; } if (!pHcidevInfo->HciNormalMode) { /* in test mode, no need to go any further */ break; } // The delay is required when AR6K is driving the BT reset line // where time is needed after the BT chip is out of reset (HCI_TransportStart) // and before the first HCI command is issued (AR3KConfigure) // FIXME // The delay should be configurable and be only applied when AR6K driving the BT // reset line. This could be done by some module parameter or based on some HW config // info. For now apply 100ms delay blindly A_MDELAY(100); A_MEMZERO(&ar3kconfig,sizeof(ar3kconfig)); ar3kconfig.pHCIDev = pHcidevInfo->pHCIDev; ar3kconfig.pHCIProps = &pHcidevInfo->HCIProps; #ifdef EXPORT_HCI_BRIDGE_INTERFACE ar3kconfig.pHIFDevice = (struct hif_device *)(pHcidevInfo->HCITransHdl.hifDevice); #else ar3kconfig.pHIFDevice = pHcidevInfo->ar->arHifDevice; #endif ar3kconfig.pBtStackHCIDev = pHcidevInfo->pBtStackHCIDev; if (ar3khcibaud != 0) { /* user wants ar3k baud rate change */ ar3kconfig.Flags |= AR3K_CONFIG_FLAG_SET_AR3K_BAUD; ar3kconfig.Flags |= AR3K_CONFIG_FLAG_AR3K_BAUD_CHANGE_DELAY; ar3kconfig.AR3KBaudRate = ar3khcibaud; } if ((hciuartscale != 0) || (hciuartstep != 0)) { /* user wants to tune HCI bridge UART scale/step values */ ar3kconfig.AR6KScale = (u16)hciuartscale; ar3kconfig.AR6KStep = (u16)hciuartstep; ar3kconfig.Flags |= AR3K_CONFIG_FLAG_SET_AR6K_SCALE_STEP; } /* Fetch the address of the hi_hci_uart_pwr_mgmt_params instance in the host interest area */ address = TARG_VTOP(pHcidevInfo->ar->arTargetType, HOST_INTEREST_ITEM_ADDRESS(pHcidevInfo->ar, hi_hci_uart_pwr_mgmt_params)); status = ar6000_ReadRegDiag(pHcidevInfo->ar->arHifDevice, &address, &hci_uart_pwr_mgmt_params); if (0 == status) { ar3kconfig.PwrMgmtEnabled = (hci_uart_pwr_mgmt_params & 0x1); ar3kconfig.IdleTimeout = (hci_uart_pwr_mgmt_params & 0xFFFF0000) >> 16; ar3kconfig.WakeupTimeout = (hci_uart_pwr_mgmt_params & 0xFF00) >> 8; } else { AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to read hci_uart_pwr_mgmt_params! \n")); } /* configure the AR3K device */ memcpy(ar3kconfig.bdaddr,pHcidevInfo->ar->bdaddr,6); status = AR3KConfigure(&ar3kconfig); if (status) { break; } /* Make sure both AR6K and AR3K have power management enabled */ if (ar3kconfig.PwrMgmtEnabled) { status = HCI_TransportEnablePowerMgmt(pHcidevInfo->pHCIDev, true); if (status) { AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to enable TLPM for AR6K! \n")); } } status = bt_register_hci(pHcidevInfo); } while (false);
static A_STATUS ar6000_hci_transport_ready(HCI_TRANSPORT_HANDLE HCIHandle, HCI_TRANSPORT_PROPERTIES *pProps, void *pContext) { AR6K_HCI_BRIDGE_INFO *pHcidevInfo = (AR6K_HCI_BRIDGE_INFO *)pContext; A_STATUS status; AR_SOFTC_DEV_T *arDev = pHcidevInfo->ar->arDev[0]; pHcidevInfo->pHCIDev = HCIHandle; A_MEMCPY(&pHcidevInfo->HCIProps,pProps,sizeof(*pProps)); AR_DEBUG_PRINTF(ATH_DEBUG_HCI_BRIDGE,("HCI ready (hci:0x%lX, headroom:%d, tailroom:%d blockpad:%d) \n", (unsigned long)HCIHandle, pHcidevInfo->HCIProps.HeadRoom, pHcidevInfo->HCIProps.TailRoom, pHcidevInfo->HCIProps.IOBlockPad)); #ifdef EXPORT_HCI_BRIDGE_INTERFACE A_ASSERT((pProps->HeadRoom + pProps->TailRoom) <= (struct net_device *)(pHcidevInfo->HCITransHdl.netDevice)->hard_header_len); #else A_ASSERT((pProps->HeadRoom + pProps->TailRoom) <= arDev->arNetDev->hard_header_len); #endif /* provide buffers */ RefillRecvBuffers(pHcidevInfo, HCI_ACL_TYPE, MAX_ACL_RECV_BUFS); RefillRecvBuffers(pHcidevInfo, HCI_EVENT_TYPE, MAX_EVT_RECV_BUFS); do { /* start transport */ status = HCI_TransportStart(pHcidevInfo->pHCIDev); if (A_FAILED(status)) { break; } if (!pHcidevInfo->HciNormalMode) { /* in test mode, no need to go any further */ break; } /* The delay is required when AR6K is driving the BT reset line */ /* where time is needed after the BT chip is out of reset (HCI_TransportStart) */ /* and before the first HCI command is issued (AR3KConfigure) */ /* FIXME */ /* The delay should be configurable and be only applied when AR6K driving the BT */ /* reset line. This could be done by some module parameter or based on some HW config */ /* info. For now apply 100ms delay blindly */ A_MDELAY(100); A_MEMZERO(&ar3kconfig,sizeof(ar3kconfig)); ar3kconfig.pHCIDev = pHcidevInfo->pHCIDev; ar3kconfig.pHCIProps = &pHcidevInfo->HCIProps; #ifdef EXPORT_HCI_BRIDGE_INTERFACE ar3kconfig.pHIFDevice = (HIF_DEVICE *)(pHcidevInfo->HCITransHdl.hifDevice); #else ar3kconfig.pHIFDevice = pHcidevInfo->ar->arHifDevice; #endif ar3kconfig.pBtStackHCIDev = pHcidevInfo->pBtStackHCIDev; if (ar3khcibaud != 0) { /* user wants ar3k baud rate change */ ar3kconfig.Flags |= AR3K_CONFIG_FLAG_SET_AR3K_BAUD; ar3kconfig.Flags |= AR3K_CONFIG_FLAG_AR3K_BAUD_CHANGE_DELAY; ar3kconfig.AR3KBaudRate = ar3khcibaud; } if ((hciuartscale != 0) || (hciuartstep != 0)) { /* user wants to tune HCI bridge UART scale/step values */ ar3kconfig.AR6KScale = (A_UINT16)hciuartscale; ar3kconfig.AR6KStep = (A_UINT16)hciuartstep; ar3kconfig.Flags |= AR3K_CONFIG_FLAG_SET_AR6K_SCALE_STEP; } /* configure the AR3K device */ memcpy(ar3kconfig.bdaddr,arDev->bdaddr,6); status = AR3KConfigure(&ar3kconfig); if (A_FAILED(status)) { extern unsigned int setuphci; AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: Fail to configure AR3K. No device? Cleanup HCI\n")); pHcidevInfo->ar->exitCallback = NULL; ar6000_cleanup_hci(pHcidevInfo->ar); setuphci = 0; pHcidevInfo->ar->arBTSharing = 0; break; } /* Make sure both AR6K and AR3K have power management enabled */ if (ar3kconfig.PwrMgmtEnabled) { A_UINT32 address, hci_uart_pwr_mgmt_params; /* Fetch the address of the hi_hci_uart_pwr_mgmt_params instance in the host interest area */ address = TARG_VTOP(pHcidevInfo->ar->arTargetType, HOST_INTEREST_ITEM_ADDRESS(pHcidevInfo->ar->arTargetType, hi_hci_uart_pwr_mgmt_params)); status = ar6000_ReadRegDiag(pHcidevInfo->ar->arHifDevice, &address, &hci_uart_pwr_mgmt_params); hci_uart_pwr_mgmt_params &= 0xFFFF; /* wakeup timeout is [31:16] */ hci_uart_pwr_mgmt_params |= (ar3kconfig.WakeupTimeout << 16); status |= ar6000_WriteRegDiag(pHcidevInfo->ar->arHifDevice, &address, &hci_uart_pwr_mgmt_params); if (A_OK != status) { AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to write hci_uart_pwr_mgmt_params!\n")); } /* Fetch the address of the hi_hci_uart_pwr_mgmt_params_ext instance in the host interest area */ address = TARG_VTOP(pHcidevInfo->ar->arTargetType, HOST_INTEREST_ITEM_ADDRESS(pHcidevInfo->ar->arTargetType, hi_hci_uart_pwr_mgmt_params_ext)); status = ar6000_WriteRegDiag(pHcidevInfo->ar->arHifDevice, &address, &ar3kconfig.IdleTimeout); if (A_OK != status) { AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to write hci_uart_pwr_mgmt_params_ext!\n")); } status = HCI_TransportEnablePowerMgmt(pHcidevInfo->pHCIDev, TRUE); if (A_FAILED(status)) { AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to enable TLPM for AR6K! \n")); } } status = bt_register_hci(pHcidevInfo); } while (FALSE); return status; }