drivers/staging/ath6kl/os/linux/export_hci_transport.c

   1 //------------------------------------------------------------------------------
   2 // Copyright (c) 2009-2010 Atheros Corporation.  All rights reserved.
   3 //
   4 //
   5 // Permission to use, copy, modify, and/or distribute this software for any
   6 // purpose with or without fee is hereby granted, provided that the above
   7 // copyright notice and this permission notice appear in all copies.
   8 //
   9 // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10 // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11 // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12 // ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13 // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14 // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15 // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16 //
  17 //
  18 //------------------------------------------------------------------------------
  19 //==============================================================================
  20 // HCI bridge implementation
  21 //
  22 // Author(s): ="Atheros"
  23 //==============================================================================
  24 #include <a_config.h>
  25 #include <athdefs.h>
  26 #include "a_types.h"
  27 #include "a_osapi.h"
  28 #include "htc_api.h"
  29 #include "a_drv.h"
  30 #include "hif.h"
  31 #include "common_drv.h"
  32 #include "a_debug.h"
  33 #include "hci_transport_api.h"
  34
  35 #include "AR6002/hw4.0/hw/apb_athr_wlan_map.h"
  36 #include "AR6002/hw4.0/hw/uart_reg.h"
  37 #include "AR6002/hw4.0/hw/rtc_wlan_reg.h"
  38
  39 HCI_TRANSPORT_HANDLE (*_HCI_TransportAttach)(void *HTCHandle, HCI_TRANSPORT_CONFIG_INFO *pInfo);
  40 void (*_HCI_TransportDetach)(HCI_TRANSPORT_HANDLE HciTrans);
  41 A_STATUS    (*_HCI_TransportAddReceivePkts)(HCI_TRANSPORT_HANDLE HciTrans, HTC_PACKET_QUEUE *pQueue);
  42 A_STATUS    (*_HCI_TransportSendPkt)(HCI_TRANSPORT_HANDLE HciTrans, HTC_PACKET *pPacket, A_BOOL Synchronous);
  43 void        (*_HCI_TransportStop)(HCI_TRANSPORT_HANDLE HciTrans);
  44 A_STATUS    (*_HCI_TransportStart)(HCI_TRANSPORT_HANDLE HciTrans);
  45 A_STATUS    (*_HCI_TransportEnableDisableAsyncRecv)(HCI_TRANSPORT_HANDLE HciTrans, A_BOOL Enable);
  46 A_STATUS    (*_HCI_TransportRecvHCIEventSync)(HCI_TRANSPORT_HANDLE HciTrans,
  47                                           HTC_PACKET           *pPacket,
  48                                           int                  MaxPollMS);
  49 A_STATUS    (*_HCI_TransportSetBaudRate)(HCI_TRANSPORT_HANDLE HciTrans, A_UINT32 Baud);
  50 A_STATUS    (*_HCI_TransportEnablePowerMgmt)(HCI_TRANSPORT_HANDLE HciTrans, A_BOOL Enable);
  51
  52 extern HCI_TRANSPORT_CALLBACKS ar6kHciTransCallbacks;
  53
  54 A_STATUS ar6000_register_hci_transport(HCI_TRANSPORT_CALLBACKS *hciTransCallbacks)
  55 {
  56     ar6kHciTransCallbacks = *hciTransCallbacks;
  57
  58     _HCI_TransportAttach = HCI_TransportAttach;
  59     _HCI_TransportDetach = HCI_TransportDetach;
  60     _HCI_TransportAddReceivePkts = HCI_TransportAddReceivePkts;
  61     _HCI_TransportSendPkt = HCI_TransportSendPkt;
  62     _HCI_TransportStop = HCI_TransportStop;
  63     _HCI_TransportStart = HCI_TransportStart;
  64     _HCI_TransportEnableDisableAsyncRecv = HCI_TransportEnableDisableAsyncRecv;
  65     _HCI_TransportRecvHCIEventSync = HCI_TransportRecvHCIEventSync;
  66     _HCI_TransportSetBaudRate = HCI_TransportSetBaudRate;
  67     _HCI_TransportEnablePowerMgmt = HCI_TransportEnablePowerMgmt;
  68
  69     return A_OK;
  70 }
  71
  72 A_STATUS
  73 ar6000_get_hif_dev(HIF_DEVICE *device, void *config)
  74 {
  75     A_STATUS status;
  76
  77     status = HIFConfigureDevice(device,
  78                                 HIF_DEVICE_GET_OS_DEVICE,
  79                                 (HIF_DEVICE_OS_DEVICE_INFO *)config,
  80                                 sizeof(HIF_DEVICE_OS_DEVICE_INFO));
  81     return status;
  82 }
  83
  84 A_STATUS ar6000_set_uart_config(HIF_DEVICE *hifDevice,
  85                                 A_UINT32 scale,
  86                                 A_UINT32 step)
  87 {
  88     A_UINT32 regAddress;
  89     A_UINT32 regVal;
  90     A_STATUS status;
  91
  92     regAddress = WLAN_UART_BASE_ADDRESS | UART_CLKDIV_ADDRESS;
  93     regVal = ((A_UINT32)scale << 16) | step;
  94     /* change the HCI UART scale/step values through the diagnostic window */
  95     status = ar6000_WriteRegDiag(hifDevice, &regAddress, &regVal);
  96
  97     return status;
  98 }
  99
 100 A_STATUS ar6000_get_core_clock_config(HIF_DEVICE *hifDevice, A_UINT32 *data)
 101 {
 102     A_UINT32 regAddress;
 103     A_STATUS status;
 104
 105     regAddress = WLAN_RTC_BASE_ADDRESS | WLAN_CPU_CLOCK_ADDRESS;
 106     /* read CPU clock settings*/
 107     status = ar6000_ReadRegDiag(hifDevice, &regAddress, data);
 108
 109     return status;
 110 }
 111
 112 EXPORT_SYMBOL(ar6000_register_hci_transport);
 113 EXPORT_SYMBOL(ar6000_get_hif_dev);
 114 EXPORT_SYMBOL(ar6000_set_uart_config);
 115 EXPORT_SYMBOL(ar6000_get_core_clock_config);
 116 EXPORT_SYMBOL(_HCI_TransportAttach);
 117 EXPORT_SYMBOL(_HCI_TransportDetach);
 118 EXPORT_SYMBOL(_HCI_TransportAddReceivePkts);
 119 EXPORT_SYMBOL(_HCI_TransportSendPkt);
 120 EXPORT_SYMBOL(_HCI_TransportStop);
 121 EXPORT_SYMBOL(_HCI_TransportStart);
 122 EXPORT_SYMBOL(_HCI_TransportEnableDisableAsyncRecv);
 123 EXPORT_SYMBOL(_HCI_TransportRecvHCIEventSync);
 124 EXPORT_SYMBOL(_HCI_TransportSetBaudRate);
 125 EXPORT_SYMBOL(_HCI_TransportEnablePowerMgmt);