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;
}
