diff options
Diffstat (limited to 'drivers/staging/ath6kl/os/linux/hci_bridge.c')
| -rw-r--r-- | drivers/staging/ath6kl/os/linux/hci_bridge.c | 1141 |
1 files changed, 0 insertions, 1141 deletions
diff --git a/drivers/staging/ath6kl/os/linux/hci_bridge.c b/drivers/staging/ath6kl/os/linux/hci_bridge.c deleted file mode 100644 index 6087edcb1d6a..000000000000 --- a/drivers/staging/ath6kl/os/linux/hci_bridge.c +++ /dev/null @@ -1,1141 +0,0 @@ -//------------------------------------------------------------------------------ -// Copyright (c) 2009-2010 Atheros Corporation. All rights reserved. -// -// -// Permission to use, copy, modify, and/or distribute this software for any -// purpose with or without fee is hereby granted, provided that the above -// copyright notice and this permission notice appear in all copies. -// -// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -// -// -//------------------------------------------------------------------------------ -//============================================================================== -// HCI bridge implementation -// -// Author(s): ="Atheros" -//============================================================================== - -#ifdef EXPORT_HCI_BRIDGE_INTERFACE -#include <linux/etherdevice.h> -#include <a_config.h> -#include <athdefs.h> -#include "a_osapi.h" -#include "htc_api.h" -#include "wmi.h" -#include "a_drv.h" -#include "hif.h" -#include "common_drv.h" -#include "a_debug.h" -#define ATH_DEBUG_HCI_BRIDGE ATH_DEBUG_MAKE_MODULE_MASK(6) -#define ATH_DEBUG_HCI_RECV ATH_DEBUG_MAKE_MODULE_MASK(7) -#define ATH_DEBUG_HCI_SEND ATH_DEBUG_MAKE_MODULE_MASK(8) -#define ATH_DEBUG_HCI_DUMP ATH_DEBUG_MAKE_MODULE_MASK(9) -#else -#include "ar6000_drv.h" -#endif /* EXPORT_HCI_BRIDGE_INTERFACE */ - -#ifdef ATH_AR6K_ENABLE_GMBOX -#ifdef EXPORT_HCI_BRIDGE_INTERFACE -#include "export_hci_transport.h" -#else -#include "hci_transport_api.h" -#endif -#include "epping_test.h" -#include "gmboxif.h" -#include "ar3kconfig.h" -#include <net/bluetooth/bluetooth.h> -#include <net/bluetooth/hci_core.h> - - /* only build on newer kernels which have BT configured */ -#if defined(CONFIG_BT_MODULE) || defined(CONFIG_BT) -#define CONFIG_BLUEZ_HCI_BRIDGE -#endif - -#ifdef EXPORT_HCI_BRIDGE_INTERFACE -unsigned int ar3khcibaud = 0; -unsigned int hciuartscale = 0; -unsigned int hciuartstep = 0; - -module_param(ar3khcibaud, int, 0644); -module_param(hciuartscale, int, 0644); -module_param(hciuartstep, int, 0644); -#else -extern unsigned int ar3khcibaud; -extern unsigned int hciuartscale; -extern unsigned int hciuartstep; -#endif /* EXPORT_HCI_BRIDGE_INTERFACE */ - -struct ar6k_hci_bridge_info { - void *pHCIDev; /* HCI bridge device */ - struct hci_transport_properties HCIProps; /* HCI bridge props */ - struct hci_dev *pBtStackHCIDev; /* BT Stack HCI dev */ - bool HciNormalMode; /* Actual HCI mode enabled (non-TEST)*/ - bool HciRegistered; /* HCI device registered with stack */ - struct htc_packet_queue HTCPacketStructHead; - u8 *pHTCStructAlloc; - spinlock_t BridgeLock; -#ifdef EXPORT_HCI_BRIDGE_INTERFACE - struct hci_transport_misc_handles HCITransHdl; -#else - struct ar6_softc *ar; -#endif /* EXPORT_HCI_BRIDGE_INTERFACE */ -}; - -#define MAX_ACL_RECV_BUFS 16 -#define MAX_EVT_RECV_BUFS 8 -#define MAX_HCI_WRITE_QUEUE_DEPTH 32 -#define MAX_ACL_RECV_LENGTH 1200 -#define MAX_EVT_RECV_LENGTH 257 -#define TX_PACKET_RSV_OFFSET 32 -#define NUM_HTC_PACKET_STRUCTS ((MAX_ACL_RECV_BUFS + MAX_EVT_RECV_BUFS + MAX_HCI_WRITE_QUEUE_DEPTH) * 2) - -#define HCI_GET_OP_CODE(p) (((u16)((p)[1])) << 8) | ((u16)((p)[0])) - -extern unsigned int setupbtdev; -struct ar3k_config_info ar3kconfig; - -#ifdef EXPORT_HCI_BRIDGE_INTERFACE -struct ar6k_hci_bridge_info *g_pHcidevInfo; -#endif - -static int bt_setup_hci(struct ar6k_hci_bridge_info *pHcidevInfo); -static void bt_cleanup_hci(struct ar6k_hci_bridge_info *pHcidevInfo); -static int bt_register_hci(struct ar6k_hci_bridge_info *pHcidevInfo); -static bool bt_indicate_recv(struct ar6k_hci_bridge_info *pHcidevInfo, - HCI_TRANSPORT_PACKET_TYPE Type, - struct sk_buff *skb); -static struct sk_buff *bt_alloc_buffer(struct ar6k_hci_bridge_info *pHcidevInfo, int Length); -static void bt_free_buffer(struct ar6k_hci_bridge_info *pHcidevInfo, struct sk_buff *skb); - -#ifdef EXPORT_HCI_BRIDGE_INTERFACE -int ar6000_setup_hci(void *ar); -void ar6000_cleanup_hci(void *ar); -int hci_test_send(void *ar, struct sk_buff *skb); -#else -int ar6000_setup_hci(struct ar6_softc *ar); -void ar6000_cleanup_hci(struct ar6_softc *ar); -/* HCI bridge testing */ -int hci_test_send(struct ar6_softc *ar, struct sk_buff *skb); -#endif /* EXPORT_HCI_BRIDGE_INTERFACE */ - -#define LOCK_BRIDGE(dev) spin_lock_bh(&(dev)->BridgeLock) -#define UNLOCK_BRIDGE(dev) spin_unlock_bh(&(dev)->BridgeLock) - -static inline void FreeBtOsBuf(struct ar6k_hci_bridge_info *pHcidevInfo, void *osbuf) -{ - if (pHcidevInfo->HciNormalMode) { - bt_free_buffer(pHcidevInfo, (struct sk_buff *)osbuf); - } else { - /* in test mode, these are just ordinary netbuf allocations */ - A_NETBUF_FREE(osbuf); - } -} - -static void FreeHTCStruct(struct ar6k_hci_bridge_info *pHcidevInfo, struct htc_packet *pPacket) -{ - LOCK_BRIDGE(pHcidevInfo); - HTC_PACKET_ENQUEUE(&pHcidevInfo->HTCPacketStructHead,pPacket); - UNLOCK_BRIDGE(pHcidevInfo); -} - -static struct htc_packet * AllocHTCStruct(struct ar6k_hci_bridge_info *pHcidevInfo) -{ - struct htc_packet *pPacket = NULL; - LOCK_BRIDGE(pHcidevInfo); - pPacket = HTC_PACKET_DEQUEUE(&pHcidevInfo->HTCPacketStructHead); - UNLOCK_BRIDGE(pHcidevInfo); - return pPacket; -} - -#define BLOCK_ROUND_UP_PWR2(x, align) (((int) (x) + ((align)-1)) & ~((align)-1)) - -static void RefillRecvBuffers(struct ar6k_hci_bridge_info *pHcidevInfo, - HCI_TRANSPORT_PACKET_TYPE Type, - int NumBuffers) -{ - int length, i; - void *osBuf = NULL; - struct htc_packet_queue queue; - struct htc_packet *pPacket; - - INIT_HTC_PACKET_QUEUE(&queue); - - if (Type == HCI_ACL_TYPE) { - if (pHcidevInfo->HciNormalMode) { - length = HCI_MAX_FRAME_SIZE; - } else { - length = MAX_ACL_RECV_LENGTH; - } - } else { - length = MAX_EVT_RECV_LENGTH; - } - - /* add on transport head and tail room */ - length += pHcidevInfo->HCIProps.HeadRoom + pHcidevInfo->HCIProps.TailRoom; - /* round up to the required I/O padding */ - length = BLOCK_ROUND_UP_PWR2(length,pHcidevInfo->HCIProps.IOBlockPad); - - for (i = 0; i < NumBuffers; i++) { - - if (pHcidevInfo->HciNormalMode) { - osBuf = bt_alloc_buffer(pHcidevInfo,length); - } else { - osBuf = A_NETBUF_ALLOC(length); - } - - if (NULL == osBuf) { - break; - } - - pPacket = AllocHTCStruct(pHcidevInfo); - if (NULL == pPacket) { - FreeBtOsBuf(pHcidevInfo,osBuf); - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Failed to alloc HTC struct \n")); - break; - } - - SET_HTC_PACKET_INFO_RX_REFILL(pPacket,osBuf,A_NETBUF_DATA(osBuf),length,Type); - /* add to queue */ - HTC_PACKET_ENQUEUE(&queue,pPacket); - } - - if (i > 0) { - HCI_TransportAddReceivePkts(pHcidevInfo->pHCIDev, &queue); - } -} - -#define HOST_INTEREST_ITEM_ADDRESS(ar, item) \ - (((ar)->arTargetType == TARGET_TYPE_AR6002) ? AR6002_HOST_INTEREST_ITEM_ADDRESS(item) : \ - (((ar)->arTargetType == TARGET_TYPE_AR6003) ? AR6003_HOST_INTEREST_ITEM_ADDRESS(item) : 0)) -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); - - return status; -} - -static void ar6000_hci_transport_failure(void *pContext, int Status) -{ - struct ar6k_hci_bridge_info *pHcidevInfo = (struct ar6k_hci_bridge_info *)pContext; - - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: transport failure! \n")); - - if (pHcidevInfo->HciNormalMode) { - /* TODO .. */ - } -} - -static void ar6000_hci_transport_removed(void *pContext) -{ - struct ar6k_hci_bridge_info *pHcidevInfo = (struct ar6k_hci_bridge_info *)pContext; - - AR_DEBUG_PRINTF(ATH_DEBUG_HCI_BRIDGE, ("HCI Bridge: transport removed. \n")); - - A_ASSERT(pHcidevInfo->pHCIDev != NULL); - - HCI_TransportDetach(pHcidevInfo->pHCIDev); - bt_cleanup_hci(pHcidevInfo); - pHcidevInfo->pHCIDev = NULL; -} - -static void ar6000_hci_send_complete(void *pContext, struct htc_packet *pPacket) -{ - struct ar6k_hci_bridge_info *pHcidevInfo = (struct ar6k_hci_bridge_info *)pContext; - void *osbuf = pPacket->pPktContext; - A_ASSERT(osbuf != NULL); - A_ASSERT(pHcidevInfo != NULL); - - if (pPacket->Status) { - if ((pPacket->Status != A_ECANCELED) && (pPacket->Status != A_NO_RESOURCE)) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: Send Packet Failed: %d \n",pPacket->Status)); - } - } - - FreeHTCStruct(pHcidevInfo,pPacket); - FreeBtOsBuf(pHcidevInfo,osbuf); - -} - -static void ar6000_hci_pkt_recv(void *pContext, struct htc_packet *pPacket) -{ - struct ar6k_hci_bridge_info *pHcidevInfo = (struct ar6k_hci_bridge_info *)pContext; - struct sk_buff *skb; - - A_ASSERT(pHcidevInfo != NULL); - skb = (struct sk_buff *)pPacket->pPktContext; - A_ASSERT(skb != NULL); - - do { - - if (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 = pHcidevInfo->ar->arNetDev; - if ((pHcidevInfo->ar->arNetDev->flags & IFF_UP) == IFF_UP) { - skb->protocol = eth_type_trans(skb, pHcidevInfo->ar->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) -{ - struct ar6k_hci_bridge_info *pHcidevInfo = (struct 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 HCI_SEND_FULL_ACTION ar6000_hci_pkt_send_full(void *pContext, struct htc_packet *pPacket) -{ - struct ar6k_hci_bridge_info *pHcidevInfo = (struct ar6k_hci_bridge_info *)pContext; - HCI_SEND_FULL_ACTION action = HCI_SEND_FULL_KEEP; - - if (!pHcidevInfo->HciNormalMode) { - /* for epping testing, check packet tag, some epping packets are - * special and cannot be dropped */ - if (HTC_GET_TAG_FROM_PKT(pPacket) == AR6K_DATA_PKT_TAG) { - action = HCI_SEND_FULL_DROP; - } - } - - return action; -} - -#ifdef EXPORT_HCI_BRIDGE_INTERFACE -int ar6000_setup_hci(void *ar) -#else -int ar6000_setup_hci(struct ar6_softc *ar) -#endif -{ - struct hci_transport_config_info config; - int status = 0; - int i; - struct htc_packet *pPacket; - struct ar6k_hci_bridge_info *pHcidevInfo; - - - do { - - pHcidevInfo = (struct ar6k_hci_bridge_info *)A_MALLOC(sizeof(struct ar6k_hci_bridge_info)); - - if (NULL == pHcidevInfo) { - status = A_NO_MEMORY; - break; - } - - A_MEMZERO(pHcidevInfo, sizeof(struct ar6k_hci_bridge_info)); -#ifdef EXPORT_HCI_BRIDGE_INTERFACE - g_pHcidevInfo = pHcidevInfo; - pHcidevInfo->HCITransHdl = *(struct hci_transport_misc_handles *)ar; -#else - ar->hcidev_info = pHcidevInfo; - pHcidevInfo->ar = ar; -#endif - spin_lock_init(&pHcidevInfo->BridgeLock); - INIT_HTC_PACKET_QUEUE(&pHcidevInfo->HTCPacketStructHead); - - ar->exitCallback = AR3KConfigureExit; - - status = bt_setup_hci(pHcidevInfo); - if (status) { - break; - } - - if (pHcidevInfo->HciNormalMode) { - AR_DEBUG_PRINTF(ATH_DEBUG_HCI_BRIDGE, ("HCI Bridge: running in normal mode... \n")); - } else { - AR_DEBUG_PRINTF(ATH_DEBUG_HCI_BRIDGE, ("HCI Bridge: running in test mode... \n")); - } - - pHcidevInfo->pHTCStructAlloc = (u8 *)A_MALLOC((sizeof(struct htc_packet)) * NUM_HTC_PACKET_STRUCTS); - - if (NULL == pHcidevInfo->pHTCStructAlloc) { - status = A_NO_MEMORY; - break; - } - - pPacket = (struct htc_packet *)pHcidevInfo->pHTCStructAlloc; - for (i = 0; i < NUM_HTC_PACKET_STRUCTS; i++,pPacket++) { - FreeHTCStruct(pHcidevInfo,pPacket); - } - - A_MEMZERO(&config,sizeof(struct hci_transport_config_info)); - config.ACLRecvBufferWaterMark = MAX_ACL_RECV_BUFS / 2; - config.EventRecvBufferWaterMark = MAX_EVT_RECV_BUFS / 2; - config.MaxSendQueueDepth = MAX_HCI_WRITE_QUEUE_DEPTH; - config.pContext = pHcidevInfo; - config.TransportFailure = ar6000_hci_transport_failure; - config.TransportReady = ar6000_hci_transport_ready; - config.TransportRemoved = ar6000_hci_transport_removed; - config.pHCISendComplete = ar6000_hci_send_complete; - config.pHCIPktRecv = ar6000_hci_pkt_recv; - config.pHCIPktRecvRefill = ar6000_hci_pkt_refill; - config.pHCISendFull = ar6000_hci_pkt_send_full; - -#ifdef EXPORT_HCI_BRIDGE_INTERFACE - pHcidevInfo->pHCIDev = HCI_TransportAttach(pHcidevInfo->HCITransHdl.htcHandle, &config); -#else - pHcidevInfo->pHCIDev = HCI_TransportAttach(ar->arHtcTarget, &config); -#endif - - if (NULL == pHcidevInfo->pHCIDev) { - status = A_ERROR; - } - - } while (false); - - if (status) { - if (pHcidevInfo != NULL) { - if (NULL == pHcidevInfo->pHCIDev) { - /* GMBOX may not be present in older chips */ - /* just return success */ - status = 0; - } - } - ar6000_cleanup_hci(ar); - } - - return status; -} - -#ifdef EXPORT_HCI_BRIDGE_INTERFACE -void ar6000_cleanup_hci(void *ar) -#else -void ar6000_cleanup_hci(struct ar6_softc *ar) -#endif -{ -#ifdef EXPORT_HCI_BRIDGE_INTERFACE - struct ar6k_hci_bridge_info *pHcidevInfo = g_pHcidevInfo; -#else - struct ar6k_hci_bridge_info *pHcidevInfo = (struct ar6k_hci_bridge_info *)ar->hcidev_info; -#endif - - if (pHcidevInfo != NULL) { - bt_cleanup_hci(pHcidevInfo); - - if (pHcidevInfo->pHCIDev != NULL) { - HCI_TransportStop(pHcidevInfo->pHCIDev); - HCI_TransportDetach(pHcidevInfo->pHCIDev); - pHcidevInfo->pHCIDev = NULL; - } - - if (pHcidevInfo->pHTCStructAlloc != NULL) { - kfree(pHcidevInfo->pHTCStructAlloc); - pHcidevInfo->pHTCStructAlloc = NULL; - } - - kfree(pHcidevInfo); -#ifndef EXPORT_HCI_BRIDGE_INTERFACE - ar->hcidev_info = NULL; -#endif - } - - -} - -#ifdef EXPORT_HCI_BRIDGE_INTERFACE -int hci_test_send(void *ar, struct sk_buff *skb) -#else -int hci_test_send(struct ar6_softc *ar, struct sk_buff *skb) -#endif -{ - int status = 0; - int length; - EPPING_HEADER *pHeader; - struct htc_packet *pPacket; - HTC_TX_TAG htc_tag = AR6K_DATA_PKT_TAG; -#ifdef EXPORT_HCI_BRIDGE_INTERFACE - struct ar6k_hci_bridge_info *pHcidevInfo = g_pHcidevInfo; -#else - struct ar6k_hci_bridge_info *pHcidevInfo = (struct ar6k_hci_bridge_info *)ar->hcidev_info; -#endif - - do { - - if (NULL == pHcidevInfo) { - status = A_ERROR; - break; - } - - if (NULL == pHcidevInfo->pHCIDev) { - status = A_ERROR; - break; - } - - if (pHcidevInfo->HciNormalMode) { - /* this interface cannot run when normal WMI is running */ - status = A_ERROR; - break; - } - - pHeader = (EPPING_HEADER *)A_NETBUF_DATA(skb); - - if (!IS_EPPING_PACKET(pHeader)) { - status = A_EINVAL; - break; - } - - if (IS_EPING_PACKET_NO_DROP(pHeader)) { - htc_tag = AR6K_CONTROL_PKT_TAG; - } - - length = sizeof(EPPING_HEADER) + pHeader->DataLength; - - pPacket = AllocHTCStruct(pHcidevInfo); - if (NULL == pPacket) { - status = A_NO_MEMORY; - break; - } - - SET_HTC_PACKET_INFO_TX(pPacket, - skb, - A_NETBUF_DATA(skb), - length, - HCI_ACL_TYPE, /* send every thing out as ACL */ - htc_tag); - - HCI_TransportSendPkt(pHcidevInfo->pHCIDev,pPacket,false); - pPacket = NULL; - - } while (false); - - return status; -} - -void ar6000_set_default_ar3kconfig(struct ar6_softc *ar, void *ar3kconfig) -{ - struct ar6k_hci_bridge_info *pHcidevInfo = (struct ar6k_hci_bridge_info *)ar->hcidev_info; - struct ar3k_config_info *config = (struct ar3k_config_info *)ar3kconfig; - - config->pHCIDev = pHcidevInfo->pHCIDev; - config->pHCIProps = &pHcidevInfo->HCIProps; - config->pHIFDevice = ar->arHifDevice; - config->pBtStackHCIDev = pHcidevInfo->pBtStackHCIDev; - config->Flags |= AR3K_CONFIG_FLAG_SET_AR3K_BAUD; - config->AR3KBaudRate = 115200; -} - -#ifdef CONFIG_BLUEZ_HCI_BRIDGE -/*** BT Stack Entrypoints *******/ - -/* - * bt_open - open a handle to the device -*/ -static int bt_open(struct hci_dev *hdev) -{ - - AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HCI Bridge: bt_open - enter - x\n")); - set_bit(HCI_RUNNING, &hdev->flags); - set_bit(HCI_UP, &hdev->flags); - set_bit(HCI_INIT, &hdev->flags); - return 0; -} - -/* - * bt_close - close handle to the device -*/ -static int bt_close(struct hci_dev *hdev) -{ - AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HCI Bridge: bt_close - enter\n")); - clear_bit(HCI_RUNNING, &hdev->flags); - return 0; -} - -/* - * bt_send_frame - send data frames -*/ -static int bt_send_frame(struct sk_buff *skb) -{ - struct hci_dev *hdev = (struct hci_dev *)skb->dev; - HCI_TRANSPORT_PACKET_TYPE type; - struct ar6k_hci_bridge_info *pHcidevInfo; - struct htc_packet *pPacket; - int status = 0; - struct sk_buff *txSkb = NULL; - - if (!hdev) { - AR_DEBUG_PRINTF(ATH_DEBUG_WARN, ("HCI Bridge: bt_send_frame - no device\n")); - return -ENODEV; - } - - if (!test_bit(HCI_RUNNING, &hdev->flags)) { - AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HCI Bridge: bt_send_frame - not open\n")); - return -EBUSY; - } - - pHcidevInfo = (struct ar6k_hci_bridge_info *)hdev->driver_data; - A_ASSERT(pHcidevInfo != NULL); - - AR_DEBUG_PRINTF(ATH_DEBUG_HCI_SEND, ("+bt_send_frame type: %d \n",bt_cb(skb)->pkt_type)); - type = HCI_COMMAND_TYPE; - - switch (bt_cb(skb)->pkt_type) { - case HCI_COMMAND_PKT: - type = HCI_COMMAND_TYPE; - hdev->stat.cmd_tx++; - break; - - case HCI_ACLDATA_PKT: - type = HCI_ACL_TYPE; - hdev->stat.acl_tx++; - break; - - case HCI_SCODATA_PKT: - /* we don't support SCO over the bridge */ - kfree_skb(skb); - return 0; - default: - A_ASSERT(false); - kfree_skb(skb); - return 0; - } - - if (AR_DEBUG_LVL_CHECK(ATH_DEBUG_HCI_DUMP)) { - AR_DEBUG_PRINTF(ATH_DEBUG_ANY,(">>> Send HCI %s packet len: %d\n", - (type == HCI_COMMAND_TYPE) ? "COMMAND" : "ACL", - skb->len)); - if (type == HCI_COMMAND_TYPE) { - u16 opcode = HCI_GET_OP_CODE(skb->data); - AR_DEBUG_PRINTF(ATH_DEBUG_ANY,(" HCI Command: OGF:0x%X OCF:0x%X \r\n", - opcode >> 10, opcode & 0x3FF)); - } - AR_DEBUG_PRINTBUF(skb->data,skb->len,"BT HCI SEND Packet Dump"); - } - - do { - - txSkb = bt_skb_alloc(TX_PACKET_RSV_OFFSET + pHcidevInfo->HCIProps.HeadRoom + - pHcidevInfo->HCIProps.TailRoom + skb->len, - GFP_ATOMIC); - - if (txSkb == NULL) { - status = A_NO_MEMORY; - break; - } - - bt_cb(txSkb)->pkt_type = bt_cb(skb)->pkt_type; - txSkb->dev = (void *)pHcidevInfo->pBtStackHCIDev; - skb_reserve(txSkb, TX_PACKET_RSV_OFFSET + pHcidevInfo->HCIProps.HeadRoom); - memcpy(txSkb->data, skb->data, skb->len); - skb_put(txSkb,skb->len); - - pPacket = AllocHTCStruct(pHcidevInfo); - if (NULL == pPacket) { - status = A_NO_MEMORY; - break; - } - - /* HCI packet length here doesn't include the 1-byte transport header which - * will be handled by the HCI transport layer. Enough headroom has already - * been reserved above for the transport header - */ - SET_HTC_PACKET_INFO_TX(pPacket, - txSkb, - txSkb->data, - txSkb->len, - type, - AR6K_CONTROL_PKT_TAG); /* HCI packets cannot be dropped */ - - AR_DEBUG_PRINTF(ATH_DEBUG_HCI_SEND, ("HCI Bridge: bt_send_frame skb:0x%lX \n",(unsigned long)txSkb)); - AR_DEBUG_PRINTF(ATH_DEBUG_HCI_SEND, ("HCI Bridge: type:%d, Total Length:%d Bytes \n", - type, txSkb->len)); - - status = HCI_TransportSendPkt(pHcidevInfo->pHCIDev,pPacket,false); - pPacket = NULL; - txSkb = NULL; - - } while (false); - - if (txSkb != NULL) { - kfree_skb(txSkb); - } - - kfree_skb(skb); - - AR_DEBUG_PRINTF(ATH_DEBUG_HCI_SEND, ("-bt_send_frame \n")); - return 0; -} - -/* - * bt_ioctl - ioctl processing -*/ -static int bt_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg) -{ - AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HCI Bridge: bt_ioctl - enter\n")); - return -ENOIOCTLCMD; -} - -/* - * bt_flush - flush outstandingbpackets -*/ -static int bt_flush(struct hci_dev *hdev) -{ - struct ar6k_hci_bridge_info *pHcidevInfo; - - AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HCI Bridge: bt_flush - enter\n")); - - pHcidevInfo = (struct ar6k_hci_bridge_info *)hdev->driver_data; - - /* TODO??? */ - - return 0; -} - - -/* - * bt_destruct - -*/ -static void bt_destruct(struct hci_dev *hdev) -{ - AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HCI Bridge: bt_destruct - enter\n")); - /* nothing to do here */ -} - -static int bt_setup_hci(struct ar6k_hci_bridge_info *pHcidevInfo) -{ - int status = 0; - struct hci_dev *pHciDev = NULL; - struct hif_device_os_device_info osDevInfo; - - if (!setupbtdev) { - return 0; - } - - do { - - A_MEMZERO(&osDevInfo,sizeof(osDevInfo)); - /* get the underlying OS device */ -#ifdef EXPORT_HCI_BRIDGE_INTERFACE - status = ar6000_get_hif_dev((struct hif_device *)(pHcidevInfo->HCITransHdl.hifDevice), - &osDevInfo); -#else - status = HIFConfigureDevice(pHcidevInfo->ar->arHifDevice, - HIF_DEVICE_GET_OS_DEVICE, - &osDevInfo, - sizeof(osDevInfo)); -#endif - - if (status) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Failed to OS device info from HIF\n")); - break; - } - - /* allocate a BT HCI struct for this device */ - pHciDev = hci_alloc_dev(); - if (NULL == pHciDev) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge - failed to allocate bt struct \n")); - status = A_NO_MEMORY; - break; - } - /* save the device, we'll register this later */ - pHcidevInfo->pBtStackHCIDev = pHciDev; - SET_HCIDEV_DEV(pHciDev,osDevInfo.pOSDevice); - SET_HCI_BUS_TYPE(pHciDev, HCI_VIRTUAL, HCI_BREDR); - pHciDev->driver_data = pHcidevInfo; - pHciDev->open = bt_open; - pHciDev->close = bt_close; - pHciDev->send = bt_send_frame; - pHciDev->ioctl = bt_ioctl; - pHciDev->flush = bt_flush; - pHciDev->destruct = bt_destruct; - pHciDev->owner = THIS_MODULE; - /* driver is running in normal BT mode */ - pHcidevInfo->HciNormalMode = true; - - } while (false); - - if (status) { - bt_cleanup_hci(pHcidevInfo); - } - - return status; -} - -static void bt_cleanup_hci(struct ar6k_hci_bridge_info *pHcidevInfo) -{ - int err; - - if (pHcidevInfo->HciRegistered) { - pHcidevInfo->HciRegistered = false; - clear_bit(HCI_RUNNING, &pHcidevInfo->pBtStackHCIDev->flags); - clear_bit(HCI_UP, &pHcidevInfo->pBtStackHCIDev->flags); - clear_bit(HCI_INIT, &pHcidevInfo->pBtStackHCIDev->flags); - A_ASSERT(pHcidevInfo->pBtStackHCIDev != NULL); - /* unregister */ - if ((err = hci_unregister_dev(pHcidevInfo->pBtStackHCIDev)) < 0) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to unregister with bluetooth %d\n",err)); - } - } - - kfree(pHcidevInfo->pBtStackHCIDev); - pHcidevInfo->pBtStackHCIDev = NULL; -} - -static int bt_register_hci(struct ar6k_hci_bridge_info *pHcidevInfo) -{ - int err; - int status = 0; - - do { - AR_DEBUG_PRINTF(ATH_DEBUG_HCI_BRIDGE, ("HCI Bridge: registering HCI... \n")); - A_ASSERT(pHcidevInfo->pBtStackHCIDev != NULL); - /* mark that we are registered */ - pHcidevInfo->HciRegistered = true; - if ((err = hci_register_dev(pHcidevInfo->pBtStackHCIDev)) < 0) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to register with bluetooth %d\n",err)); - pHcidevInfo->HciRegistered = false; - status = A_ERROR; - break; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_HCI_BRIDGE, ("HCI Bridge: HCI registered \n")); - - } while (false); - - return status; -} - -static bool bt_indicate_recv(struct ar6k_hci_bridge_info *pHcidevInfo, - HCI_TRANSPORT_PACKET_TYPE Type, - struct sk_buff *skb) -{ - u8 btType; - int len; - bool success = false; - BT_HCI_EVENT_HEADER *pEvent; - - do { - - if (!test_bit(HCI_RUNNING, &pHcidevInfo->pBtStackHCIDev->flags)) { - AR_DEBUG_PRINTF(ATH_DEBUG_WARN, ("HCI Bridge: bt_indicate_recv - not running\n")); - break; - } - - switch (Type) { - case HCI_ACL_TYPE: - btType = HCI_ACLDATA_PKT; - break; - case HCI_EVENT_TYPE: - btType = HCI_EVENT_PKT; - break; - default: - btType = 0; - A_ASSERT(false); - break; - } - - if (0 == btType) { - break; - } - - /* set the final type */ - bt_cb(skb)->pkt_type = btType; - /* set dev */ - skb->dev = (void *)pHcidevInfo->pBtStackHCIDev; - len = skb->len; - - if (AR_DEBUG_LVL_CHECK(ATH_DEBUG_HCI_RECV)) { - if (bt_cb(skb)->pkt_type == HCI_EVENT_PKT) { - pEvent = (BT_HCI_EVENT_HEADER *)skb->data; - AR_DEBUG_PRINTF(ATH_DEBUG_HCI_RECV, ("BT HCI EventCode: %d, len:%d \n", - pEvent->EventCode, pEvent->ParamLength)); - } - } - - /* pass receive packet up the stack */ - if (hci_recv_frame(skb) != 0) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: hci_recv_frame failed \n")); - break; - } else { - AR_DEBUG_PRINTF(ATH_DEBUG_HCI_RECV, - ("HCI Bridge: Indicated RCV of type:%d, Length:%d \n",btType,len)); - } - - success = true; - - } while (false); - - return success; -} - -static struct sk_buff* bt_alloc_buffer(struct ar6k_hci_bridge_info *pHcidevInfo, int Length) -{ - struct sk_buff *skb; - /* in normal HCI mode we need to alloc from the bt core APIs */ - skb = bt_skb_alloc(Length, GFP_ATOMIC); - if (NULL == skb) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Failed to alloc bt sk_buff \n")); - } - return skb; -} - -static void bt_free_buffer(struct ar6k_hci_bridge_info *pHcidevInfo, struct sk_buff *skb) -{ - kfree_skb(skb); -} - -#else // { CONFIG_BLUEZ_HCI_BRIDGE - - /* stubs when we only want to test the HCI bridging Interface without the HT stack */ -static int bt_setup_hci(struct ar6k_hci_bridge_info *pHcidevInfo) -{ - return 0; -} -static void bt_cleanup_hci(struct ar6k_hci_bridge_info *pHcidevInfo) -{ - -} -static int bt_register_hci(struct ar6k_hci_bridge_info *pHcidevInfo) -{ - A_ASSERT(false); - return A_ERROR; -} - -static bool bt_indicate_recv(struct ar6k_hci_bridge_info *pHcidevInfo, - HCI_TRANSPORT_PACKET_TYPE Type, - struct sk_buff *skb) -{ - A_ASSERT(false); - return false; -} - -static struct sk_buff* bt_alloc_buffer(struct ar6k_hci_bridge_info *pHcidevInfo, int Length) -{ - A_ASSERT(false); - return NULL; -} -static void bt_free_buffer(struct ar6k_hci_bridge_info *pHcidevInfo, struct sk_buff *skb) -{ - A_ASSERT(false); -} - -#endif // } CONFIG_BLUEZ_HCI_BRIDGE - -#else // { ATH_AR6K_ENABLE_GMBOX - - /* stubs when GMBOX support is not needed */ - -#ifdef EXPORT_HCI_BRIDGE_INTERFACE -int ar6000_setup_hci(void *ar) -#else -int ar6000_setup_hci(struct ar6_softc *ar) -#endif -{ - return 0; -} - -#ifdef EXPORT_HCI_BRIDGE_INTERFACE -void ar6000_cleanup_hci(void *ar) -#else -void ar6000_cleanup_hci(struct ar6_softc *ar) -#endif -{ - return; -} - -#ifndef EXPORT_HCI_BRIDGE_INTERFACE -void ar6000_set_default_ar3kconfig(struct ar6_softc *ar, void *ar3kconfig) -{ - return; -} -#endif - -#ifdef EXPORT_HCI_BRIDGE_INTERFACE -int hci_test_send(void *ar, struct sk_buff *skb) -#else -int hci_test_send(struct ar6_softc *ar, struct sk_buff *skb) -#endif -{ - return -EOPNOTSUPP; -} - -#endif // } ATH_AR6K_ENABLE_GMBOX - - -#ifdef EXPORT_HCI_BRIDGE_INTERFACE -static int __init -hcibridge_init_module(void) -{ - int status; - struct hci_transport_callbacks hciTransCallbacks; - - hciTransCallbacks.setupTransport = ar6000_setup_hci; - hciTransCallbacks.cleanupTransport = ar6000_cleanup_hci; - - status = ar6000_register_hci_transport(&hciTransCallbacks); - if (status) - return -ENODEV; - - return 0; -} - -static void __exit -hcibridge_cleanup_module(void) -{ -} - -module_init(hcibridge_init_module); -module_exit(hcibridge_cleanup_module); -MODULE_LICENSE("Dual BSD/GPL"); -#endif |