1179 lines
37 KiB
C
1179 lines
37 KiB
C
//------------------------------------------------------------------------------
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// ISC License (ISC)
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//
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// Copyright (c) 2009-2010, The Linux Foundation
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// All rights reserved.
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// Software was previously licensed under ISC license by Qualcomm Atheros, Inc.
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//
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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//
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//------------------------------------------------------------------------------
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//==============================================================================
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// HCI bridge implementation
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//
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// Author(s): ="Atheros"
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//==============================================================================
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#ifdef EXPORT_HCI_BRIDGE_INTERFACE
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#include <linux/etherdevice.h>
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#include <a_config.h>
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#include <athdefs.h>
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#include "a_types.h"
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#include "a_osapi.h"
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#include "htc_api.h"
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#include "wmi.h"
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#include "a_drv.h"
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#include "hif.h"
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#include "common_drv.h"
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#include "a_debug.h"
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#define ATH_DEBUG_HCI_BRIDGE ATH_DEBUG_MAKE_MODULE_MASK(6)
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#define ATH_DEBUG_HCI_RECV ATH_DEBUG_MAKE_MODULE_MASK(7)
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#define ATH_DEBUG_HCI_SEND ATH_DEBUG_MAKE_MODULE_MASK(8)
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#define ATH_DEBUG_HCI_DUMP ATH_DEBUG_MAKE_MODULE_MASK(9)
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#else
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#include "ar6000_drv.h"
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#endif /* EXPORT_HCI_BRIDGE_INTERFACE */
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#ifdef ATH_AR6K_ENABLE_GMBOX
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#ifdef EXPORT_HCI_BRIDGE_INTERFACE
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#include "export_hci_transport.h"
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#else
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#include "hci_transport_api.h"
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#endif
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#include "epping_test.h"
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#include "gmboxif.h"
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#include "ar3kconfig.h"
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci_core.h>
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
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/* only build on newer kernels which have BT configured */
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#if defined(CONFIG_BT_MODULE) || defined(CONFIG_BT)
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#define CONFIG_BLUEZ_HCI_BRIDGE
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#endif
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#endif
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#ifdef EXPORT_HCI_BRIDGE_INTERFACE
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unsigned int ar3khcibaud = 0;
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unsigned int hciuartscale = 0;
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unsigned int hciuartstep = 0;
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
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module_param(ar3khcibaud, int, 0644);
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module_param(hciuartscale, int, 0644);
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module_param(hciuartstep, int, 0644);
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#else
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#define __user
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/* for linux 2.4 and lower */
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MODULE_PARM(ar3khcibaud, "i");
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MODULE_PARM(hciuartscale, "i");
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MODULE_PARM(hciuartstep, "i");
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#endif
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#else
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extern unsigned int ar3khcibaud;
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extern unsigned int hciuartscale;
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extern unsigned int hciuartstep;
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#endif /* EXPORT_HCI_BRIDGE_INTERFACE */
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typedef struct {
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void *pHCIDev; /* HCI bridge device */
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HCI_TRANSPORT_PROPERTIES HCIProps; /* HCI bridge props */
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struct hci_dev *pBtStackHCIDev; /* BT Stack HCI dev */
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A_BOOL HciNormalMode; /* Actual HCI mode enabled (non-TEST)*/
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A_BOOL HciRegistered; /* HCI device registered with stack */
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HTC_PACKET_QUEUE HTCPacketStructHead;
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A_UINT8 *pHTCStructAlloc;
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spinlock_t BridgeLock;
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#ifdef EXPORT_HCI_BRIDGE_INTERFACE
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HCI_TRANSPORT_MISC_HANDLES HCITransHdl;
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#else
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AR_SOFTC_T *ar;
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#endif /* EXPORT_HCI_BRIDGE_INTERFACE */
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} AR6K_HCI_BRIDGE_INFO;
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#define MAX_ACL_RECV_BUFS 16
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#define MAX_EVT_RECV_BUFS 8
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#define MAX_HCI_WRITE_QUEUE_DEPTH 32
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#define MAX_ACL_RECV_LENGTH 1200
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#define MAX_EVT_RECV_LENGTH 257
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#define TX_PACKET_RSV_OFFSET 32
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#define NUM_HTC_PACKET_STRUCTS ((MAX_ACL_RECV_BUFS + MAX_EVT_RECV_BUFS + MAX_HCI_WRITE_QUEUE_DEPTH) * 2)
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#define HCI_GET_OP_CODE(p) (((A_UINT16)((p)[1])) << 8) | ((A_UINT16)((p)[0]))
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extern unsigned int setupbtdev;
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AR3K_CONFIG_INFO ar3kconfig;
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#ifdef EXPORT_HCI_BRIDGE_INTERFACE
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AR6K_HCI_BRIDGE_INFO *g_pHcidevInfo;
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#endif
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static A_STATUS bt_setup_hci(AR6K_HCI_BRIDGE_INFO *pHcidevInfo);
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static void bt_cleanup_hci(AR6K_HCI_BRIDGE_INFO *pHcidevInfo);
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static A_STATUS bt_register_hci(AR6K_HCI_BRIDGE_INFO *pHcidevInfo);
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static A_BOOL bt_indicate_recv(AR6K_HCI_BRIDGE_INFO *pHcidevInfo,
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HCI_TRANSPORT_PACKET_TYPE Type,
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struct sk_buff *skb);
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static struct sk_buff *bt_alloc_buffer(AR6K_HCI_BRIDGE_INFO *pHcidevInfo, int Length);
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static void bt_free_buffer(AR6K_HCI_BRIDGE_INFO *pHcidevInfo, struct sk_buff *skb);
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#ifdef EXPORT_HCI_BRIDGE_INTERFACE
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A_STATUS ar6000_setup_hci(void *ar);
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void ar6000_cleanup_hci(void *ar);
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A_STATUS hci_test_send(void *ar, struct sk_buff *skb);
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#else
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A_STATUS ar6000_setup_hci(AR_SOFTC_T *ar);
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void ar6000_cleanup_hci(AR_SOFTC_T *ar);
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/* HCI bridge testing */
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A_STATUS hci_test_send(AR_SOFTC_T *ar, struct sk_buff *skb);
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#endif /* EXPORT_HCI_BRIDGE_INTERFACE */
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#define LOCK_BRIDGE(dev) spin_lock_bh(&(dev)->BridgeLock)
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#define UNLOCK_BRIDGE(dev) spin_unlock_bh(&(dev)->BridgeLock)
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static inline void FreeBtOsBuf(AR6K_HCI_BRIDGE_INFO *pHcidevInfo, void *osbuf)
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{
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if (pHcidevInfo->HciNormalMode) {
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bt_free_buffer(pHcidevInfo, (struct sk_buff *)osbuf);
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} else {
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/* in test mode, these are just ordinary netbuf allocations */
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A_NETBUF_FREE(osbuf);
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}
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}
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static void FreeHTCStruct(AR6K_HCI_BRIDGE_INFO *pHcidevInfo, HTC_PACKET *pPacket)
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{
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LOCK_BRIDGE(pHcidevInfo);
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HTC_PACKET_ENQUEUE(&pHcidevInfo->HTCPacketStructHead,pPacket);
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UNLOCK_BRIDGE(pHcidevInfo);
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}
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static HTC_PACKET * AllocHTCStruct(AR6K_HCI_BRIDGE_INFO *pHcidevInfo)
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{
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HTC_PACKET *pPacket = NULL;
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LOCK_BRIDGE(pHcidevInfo);
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pPacket = HTC_PACKET_DEQUEUE(&pHcidevInfo->HTCPacketStructHead);
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UNLOCK_BRIDGE(pHcidevInfo);
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return pPacket;
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}
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#define BLOCK_ROUND_UP_PWR2(x, align) (((int) (x) + ((align)-1)) & ~((align)-1))
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static void RefillRecvBuffers(AR6K_HCI_BRIDGE_INFO *pHcidevInfo,
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HCI_TRANSPORT_PACKET_TYPE Type,
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int NumBuffers)
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{
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int length, i;
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void *osBuf = NULL;
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HTC_PACKET_QUEUE queue;
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HTC_PACKET *pPacket;
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INIT_HTC_PACKET_QUEUE(&queue);
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if (Type == HCI_ACL_TYPE) {
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if (pHcidevInfo->HciNormalMode) {
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length = HCI_MAX_FRAME_SIZE;
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} else {
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length = MAX_ACL_RECV_LENGTH;
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}
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} else {
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length = MAX_EVT_RECV_LENGTH;
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}
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/* add on transport head and tail room */
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length += pHcidevInfo->HCIProps.HeadRoom + pHcidevInfo->HCIProps.TailRoom;
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/* round up to the required I/O padding */
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length = BLOCK_ROUND_UP_PWR2(length,pHcidevInfo->HCIProps.IOBlockPad);
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for (i = 0; i < NumBuffers; i++) {
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if (pHcidevInfo->HciNormalMode) {
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osBuf = bt_alloc_buffer(pHcidevInfo,length);
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} else {
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osBuf = A_NETBUF_ALLOC(length);
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}
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if (NULL == osBuf) {
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break;
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}
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pPacket = AllocHTCStruct(pHcidevInfo);
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if (NULL == pPacket) {
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FreeBtOsBuf(pHcidevInfo,osBuf);
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AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Failed to alloc HTC struct \n"));
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break;
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}
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SET_HTC_PACKET_INFO_RX_REFILL(pPacket,osBuf,A_NETBUF_DATA(osBuf),length,Type);
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/* add to queue */
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HTC_PACKET_ENQUEUE(&queue,pPacket);
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}
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if (i > 0) {
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HCI_TransportAddReceivePkts(pHcidevInfo->pHCIDev, &queue);
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}
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}
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static A_STATUS ar6000_hci_transport_ready(HCI_TRANSPORT_HANDLE HCIHandle,
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HCI_TRANSPORT_PROPERTIES *pProps,
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void *pContext)
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{
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AR6K_HCI_BRIDGE_INFO *pHcidevInfo = (AR6K_HCI_BRIDGE_INFO *)pContext;
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A_STATUS status;
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AR_SOFTC_DEV_T *arDev = pHcidevInfo->ar->arDev[0];
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pHcidevInfo->pHCIDev = HCIHandle;
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A_MEMCPY(&pHcidevInfo->HCIProps,pProps,sizeof(*pProps));
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AR_DEBUG_PRINTF(ATH_DEBUG_HCI_BRIDGE,("HCI ready (hci:0x%lX, headroom:%d, tailroom:%d blockpad:%d) \n",
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(unsigned long)HCIHandle,
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pHcidevInfo->HCIProps.HeadRoom,
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pHcidevInfo->HCIProps.TailRoom,
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pHcidevInfo->HCIProps.IOBlockPad));
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#ifdef EXPORT_HCI_BRIDGE_INTERFACE
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A_ASSERT((pProps->HeadRoom + pProps->TailRoom) <= (struct net_device *)(pHcidevInfo->HCITransHdl.netDevice)->hard_header_len);
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#else
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A_ASSERT((pProps->HeadRoom + pProps->TailRoom) <= arDev->arNetDev->hard_header_len);
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#endif
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/* provide buffers */
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RefillRecvBuffers(pHcidevInfo, HCI_ACL_TYPE, MAX_ACL_RECV_BUFS);
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RefillRecvBuffers(pHcidevInfo, HCI_EVENT_TYPE, MAX_EVT_RECV_BUFS);
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do {
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/* start transport */
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status = HCI_TransportStart(pHcidevInfo->pHCIDev);
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if (A_FAILED(status)) {
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break;
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}
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if (!pHcidevInfo->HciNormalMode) {
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/* in test mode, no need to go any further */
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break;
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}
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// The delay is required when AR6K is driving the BT reset line
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// where time is needed after the BT chip is out of reset (HCI_TransportStart)
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// and before the first HCI command is issued (AR3KConfigure)
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// FIXME
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// The delay should be configurable and be only applied when AR6K driving the BT
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// reset line. This could be done by some module parameter or based on some HW config
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// info. For now apply 100ms delay blindly
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A_MDELAY(100);
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A_MEMZERO(&ar3kconfig,sizeof(ar3kconfig));
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ar3kconfig.pHCIDev = pHcidevInfo->pHCIDev;
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ar3kconfig.pHCIProps = &pHcidevInfo->HCIProps;
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#ifdef EXPORT_HCI_BRIDGE_INTERFACE
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ar3kconfig.pHIFDevice = (HIF_DEVICE *)(pHcidevInfo->HCITransHdl.hifDevice);
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#else
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ar3kconfig.pHIFDevice = pHcidevInfo->ar->arHifDevice;
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#endif
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ar3kconfig.pBtStackHCIDev = pHcidevInfo->pBtStackHCIDev;
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if (ar3khcibaud != 0) {
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/* user wants ar3k baud rate change */
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ar3kconfig.Flags |= AR3K_CONFIG_FLAG_SET_AR3K_BAUD;
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ar3kconfig.Flags |= AR3K_CONFIG_FLAG_AR3K_BAUD_CHANGE_DELAY;
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ar3kconfig.AR3KBaudRate = ar3khcibaud;
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}
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if ((hciuartscale != 0) || (hciuartstep != 0)) {
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/* user wants to tune HCI bridge UART scale/step values */
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ar3kconfig.AR6KScale = (A_UINT16)hciuartscale;
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ar3kconfig.AR6KStep = (A_UINT16)hciuartstep;
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ar3kconfig.Flags |= AR3K_CONFIG_FLAG_SET_AR6K_SCALE_STEP;
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}
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/* configure the AR3K device */
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memcpy(ar3kconfig.bdaddr,pHcidevInfo->ar->bdaddr,6);
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status = AR3KConfigure(&ar3kconfig);
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if (A_FAILED(status)) {
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extern unsigned int setuphci;
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AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: Fail to configure AR3K. No device? Cleanup HCI\n"));
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pHcidevInfo->ar->exitCallback = NULL;
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ar6000_cleanup_hci(pHcidevInfo->ar);
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setuphci = 0;
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pHcidevInfo->ar->arBTSharing = 0;
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break;
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}
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/* Make sure both AR6K and AR3K have power management enabled */
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if (ar3kconfig.PwrMgmtEnabled) {
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A_UINT32 address, hci_uart_pwr_mgmt_params;
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/* Fetch the address of the hi_hci_uart_pwr_mgmt_params instance in the host interest area */
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address = TARG_VTOP(pHcidevInfo->ar->arTargetType,
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HOST_INTEREST_ITEM_ADDRESS(pHcidevInfo->ar->arTargetType, hi_hci_uart_pwr_mgmt_params));
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status = ar6000_ReadRegDiag(pHcidevInfo->ar->arHifDevice, &address, &hci_uart_pwr_mgmt_params);
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hci_uart_pwr_mgmt_params &= 0xFFFF;
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/* wakeup timeout is [31:16] */
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hci_uart_pwr_mgmt_params |= (ar3kconfig.WakeupTimeout << 16);
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status |= ar6000_WriteRegDiag(pHcidevInfo->ar->arHifDevice, &address, &hci_uart_pwr_mgmt_params);
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if (A_OK != status) {
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AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to write hci_uart_pwr_mgmt_params!\n"));
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}
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/* Fetch the address of the hi_hci_uart_pwr_mgmt_params_ext instance in the host interest area */
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address = TARG_VTOP(pHcidevInfo->ar->arTargetType,
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HOST_INTEREST_ITEM_ADDRESS(pHcidevInfo->ar->arTargetType, hi_hci_uart_pwr_mgmt_params_ext));
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status = ar6000_WriteRegDiag(pHcidevInfo->ar->arHifDevice, &address, &ar3kconfig.IdleTimeout);
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if (A_OK != status) {
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AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to write hci_uart_pwr_mgmt_params_ext!\n"));
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}
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status = HCI_TransportEnablePowerMgmt(pHcidevInfo->pHCIDev, TRUE);
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if (A_FAILED(status)) {
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AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to enable TLPM for AR6K! \n"));
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}
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}
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status = bt_register_hci(pHcidevInfo);
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} while (FALSE);
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return status;
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}
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static void ar6000_hci_transport_failure(void *pContext, A_STATUS Status)
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{
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AR6K_HCI_BRIDGE_INFO *pHcidevInfo = (AR6K_HCI_BRIDGE_INFO *)pContext;
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AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: transport failure! \n"));
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if (pHcidevInfo->HciNormalMode) {
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/* TODO .. */
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}
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}
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static void ar6000_hci_transport_removed(void *pContext)
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{
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AR6K_HCI_BRIDGE_INFO *pHcidevInfo = (AR6K_HCI_BRIDGE_INFO *)pContext;
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AR_DEBUG_PRINTF(ATH_DEBUG_HCI_BRIDGE, ("HCI Bridge: transport removed. \n"));
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A_ASSERT(pHcidevInfo->pHCIDev != NULL);
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HCI_TransportDetach(pHcidevInfo->pHCIDev);
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bt_cleanup_hci(pHcidevInfo);
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pHcidevInfo->pHCIDev = NULL;
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}
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static void ar6000_hci_send_complete(void *pContext, HTC_PACKET *pPacket)
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{
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AR6K_HCI_BRIDGE_INFO *pHcidevInfo = (AR6K_HCI_BRIDGE_INFO *)pContext;
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void *osbuf = pPacket->pPktContext;
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A_ASSERT(osbuf != NULL);
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A_ASSERT(pHcidevInfo != NULL);
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if (A_FAILED(pPacket->Status)) {
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if ((pPacket->Status != A_ECANCELED) && (pPacket->Status != A_NO_RESOURCE)) {
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AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: Send Packet Failed: %d \n",pPacket->Status));
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}
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}
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FreeHTCStruct(pHcidevInfo,pPacket);
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FreeBtOsBuf(pHcidevInfo,osbuf);
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}
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static void ar6000_hci_pkt_recv(void *pContext, HTC_PACKET *pPacket)
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{
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AR6K_HCI_BRIDGE_INFO *pHcidevInfo = (AR6K_HCI_BRIDGE_INFO *)pContext;
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struct sk_buff *skb;
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AR_SOFTC_DEV_T *arDev = pHcidevInfo->ar->arDev[0];
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A_ASSERT(pHcidevInfo != NULL);
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skb = (struct sk_buff *)pPacket->pPktContext;
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A_ASSERT(skb != NULL);
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do {
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if (A_FAILED(pPacket->Status)) {
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break;
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}
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AR_DEBUG_PRINTF(ATH_DEBUG_HCI_RECV,
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("HCI Bridge, packet received type : %d len:%d \n",
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HCI_GET_PACKET_TYPE(pPacket),pPacket->ActualLength));
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/* set the actual buffer position in the os buffer, HTC recv buffers posted to HCI are set
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* to fill the front of the buffer */
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A_NETBUF_PUT(skb,pPacket->ActualLength + pHcidevInfo->HCIProps.HeadRoom);
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A_NETBUF_PULL(skb,pHcidevInfo->HCIProps.HeadRoom);
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if (AR_DEBUG_LVL_CHECK(ATH_DEBUG_HCI_DUMP)) {
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|
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
|
|
A_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 HCI_SEND_FULL_ACTION ar6000_hci_pkt_send_full(void *pContext, HTC_PACKET *pPacket)
|
|
{
|
|
AR6K_HCI_BRIDGE_INFO *pHcidevInfo = (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
|
|
A_STATUS ar6000_setup_hci(void *ar)
|
|
#else
|
|
A_STATUS ar6000_setup_hci(AR_SOFTC_T *ar)
|
|
#endif
|
|
{
|
|
HCI_TRANSPORT_CONFIG_INFO config;
|
|
A_STATUS status = A_OK;
|
|
int i;
|
|
HTC_PACKET *pPacket;
|
|
AR6K_HCI_BRIDGE_INFO *pHcidevInfo;
|
|
|
|
|
|
do {
|
|
|
|
pHcidevInfo = (AR6K_HCI_BRIDGE_INFO *)A_MALLOC(sizeof(AR6K_HCI_BRIDGE_INFO));
|
|
|
|
if (NULL == pHcidevInfo) {
|
|
status = A_NO_MEMORY;
|
|
break;
|
|
}
|
|
|
|
A_MEMZERO(pHcidevInfo, sizeof(AR6K_HCI_BRIDGE_INFO));
|
|
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
|
|
g_pHcidevInfo = pHcidevInfo;
|
|
pHcidevInfo->HCITransHdl = *(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 (A_FAILED(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 = (A_UINT8 *)A_MALLOC((sizeof(HTC_PACKET)) * NUM_HTC_PACKET_STRUCTS);
|
|
|
|
if (NULL == pHcidevInfo->pHTCStructAlloc) {
|
|
status = A_NO_MEMORY;
|
|
break;
|
|
}
|
|
|
|
pPacket = (HTC_PACKET *)pHcidevInfo->pHTCStructAlloc;
|
|
for (i = 0; i < NUM_HTC_PACKET_STRUCTS; i++,pPacket++) {
|
|
FreeHTCStruct(pHcidevInfo,pPacket);
|
|
}
|
|
|
|
A_MEMZERO(&config,sizeof(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 (A_FAILED(status)) {
|
|
if (pHcidevInfo != NULL) {
|
|
if (NULL == pHcidevInfo->pHCIDev) {
|
|
/* GMBOX may not be present in older chips */
|
|
/* just return success */
|
|
status = A_OK;
|
|
}
|
|
}
|
|
ar6000_cleanup_hci(ar);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
|
|
void ar6000_cleanup_hci(void *ar)
|
|
#else
|
|
void ar6000_cleanup_hci(AR_SOFTC_T *ar)
|
|
#endif
|
|
{
|
|
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
|
|
AR6K_HCI_BRIDGE_INFO *pHcidevInfo = g_pHcidevInfo;
|
|
#else
|
|
AR6K_HCI_BRIDGE_INFO *pHcidevInfo = (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) {
|
|
A_FREE(pHcidevInfo->pHTCStructAlloc);
|
|
pHcidevInfo->pHTCStructAlloc = NULL;
|
|
}
|
|
|
|
A_FREE(pHcidevInfo);
|
|
#ifndef EXPORT_HCI_BRIDGE_INTERFACE
|
|
ar->hcidev_info = NULL;
|
|
ar->exitCallback = NULL;
|
|
#endif
|
|
}
|
|
|
|
|
|
}
|
|
|
|
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
|
|
A_STATUS hci_test_send(void *ar, struct sk_buff *skb)
|
|
#else
|
|
A_STATUS hci_test_send(AR_SOFTC_T *ar, struct sk_buff *skb)
|
|
#endif
|
|
{
|
|
int status = A_OK;
|
|
int length;
|
|
EPPING_HEADER *pHeader;
|
|
HTC_PACKET *pPacket;
|
|
HTC_TX_TAG htc_tag = AR6K_DATA_PKT_TAG;
|
|
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
|
|
AR6K_HCI_BRIDGE_INFO *pHcidevInfo = g_pHcidevInfo;
|
|
#else
|
|
AR6K_HCI_BRIDGE_INFO *pHcidevInfo = (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(AR_SOFTC_T *ar, void *ar3kconfig)
|
|
{
|
|
AR6K_HCI_BRIDGE_INFO *pHcidevInfo = (AR6K_HCI_BRIDGE_INFO *)ar->hcidev_info;
|
|
AR3K_CONFIG_INFO *config = (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;
|
|
AR6K_HCI_BRIDGE_INFO *pHcidevInfo;
|
|
HTC_PACKET *pPacket;
|
|
A_STATUS status = A_OK;
|
|
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 = (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) {
|
|
A_UINT16 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);
|
|
A_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)
|
|
{
|
|
AR6K_HCI_BRIDGE_INFO *pHcidevInfo;
|
|
|
|
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HCI Bridge: bt_flush - enter\n"));
|
|
|
|
pHcidevInfo = (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 A_STATUS bt_setup_hci(AR6K_HCI_BRIDGE_INFO *pHcidevInfo)
|
|
{
|
|
A_STATUS status = A_OK;
|
|
struct hci_dev *pHciDev = NULL;
|
|
HIF_DEVICE_OS_DEVICE_INFO osDevInfo;
|
|
|
|
if (!setupbtdev) {
|
|
return A_OK;
|
|
}
|
|
|
|
do {
|
|
|
|
A_MEMZERO(&osDevInfo,sizeof(osDevInfo));
|
|
/* get the underlying OS device */
|
|
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
|
|
status = ar6000_get_hif_dev((HIF_DEVICE *)(pHcidevInfo->HCITransHdl.hifDevice),
|
|
&osDevInfo);
|
|
#else
|
|
status = HIFConfigureDevice(pHcidevInfo->ar->arHifDevice,
|
|
HIF_DEVICE_GET_OS_DEVICE,
|
|
&osDevInfo,
|
|
sizeof(osDevInfo));
|
|
#endif
|
|
|
|
if (A_FAILED(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 (A_FAILED(status)) {
|
|
bt_cleanup_hci(pHcidevInfo);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
static void bt_cleanup_hci(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));
|
|
}
|
|
}
|
|
|
|
if (pHcidevInfo->pBtStackHCIDev != NULL) {
|
|
kfree(pHcidevInfo->pBtStackHCIDev);
|
|
pHcidevInfo->pBtStackHCIDev = NULL;
|
|
}
|
|
}
|
|
|
|
static A_STATUS bt_register_hci(AR6K_HCI_BRIDGE_INFO *pHcidevInfo)
|
|
{
|
|
int err;
|
|
A_STATUS status = A_OK;
|
|
|
|
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 A_BOOL bt_indicate_recv(AR6K_HCI_BRIDGE_INFO *pHcidevInfo,
|
|
HCI_TRANSPORT_PACKET_TYPE Type,
|
|
struct sk_buff *skb)
|
|
{
|
|
A_UINT8 btType;
|
|
int len;
|
|
A_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 */
|
|
#ifdef CONFIG_BT
|
|
if (hci_recv_frame(skb) != 0) {
|
|
#else
|
|
if (1) {
|
|
#endif
|
|
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(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(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 A_STATUS bt_setup_hci(AR6K_HCI_BRIDGE_INFO *pHcidevInfo)
|
|
{
|
|
return A_OK;
|
|
}
|
|
static void bt_cleanup_hci(AR6K_HCI_BRIDGE_INFO *pHcidevInfo)
|
|
{
|
|
|
|
}
|
|
static A_STATUS bt_register_hci(AR6K_HCI_BRIDGE_INFO *pHcidevInfo)
|
|
{
|
|
A_ASSERT(FALSE);
|
|
return A_ERROR;
|
|
}
|
|
|
|
static A_BOOL bt_indicate_recv(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(AR6K_HCI_BRIDGE_INFO *pHcidevInfo, int Length)
|
|
{
|
|
A_ASSERT(FALSE);
|
|
return NULL;
|
|
}
|
|
static void bt_free_buffer(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
|
|
A_STATUS ar6000_setup_hci(void *ar)
|
|
#else
|
|
A_STATUS ar6000_setup_hci(AR_SOFTC_T *ar)
|
|
#endif
|
|
{
|
|
return A_OK;
|
|
}
|
|
|
|
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
|
|
void ar6000_cleanup_hci(void *ar)
|
|
#else
|
|
void ar6000_cleanup_hci(AR_SOFTC_T *ar)
|
|
#endif
|
|
{
|
|
return;
|
|
}
|
|
|
|
#ifndef EXPORT_HCI_BRIDGE_INTERFACE
|
|
void ar6000_set_default_ar3kconfig(AR_SOFTC_T *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(AR_SOFTC_T *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)
|
|
{
|
|
A_STATUS status;
|
|
HCI_TRANSPORT_CALLBACKS hciTransCallbacks;
|
|
|
|
hciTransCallbacks.setupTransport = ar6000_setup_hci;
|
|
hciTransCallbacks.cleanupTransport = ar6000_cleanup_hci;
|
|
|
|
status = ar6000_register_hci_transport(&hciTransCallbacks);
|
|
if(status != A_OK)
|
|
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
|