diff options
Diffstat (limited to 'drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c')
| -rw-r--r-- | drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c | 635 |
1 files changed, 635 insertions, 0 deletions
diff --git a/drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c b/drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c new file mode 100644 index 0000000..b832bbf --- /dev/null +++ b/drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c @@ -0,0 +1,635 @@ +// SPDX-License-Identifier: GPL-2.0 +/****************************************************************************** + * + * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. + * + ******************************************************************************/ +#define _RTL8188E_CMD_C_ + +#include <osdep_service.h> +#include <drv_types.h> +#include <recv_osdep.h> +#include <mlme_osdep.h> +#include <rtw_ioctl_set.h> + +#include <rtl8188e_hal.h> + +#define RTL88E_MAX_H2C_BOX_NUMS 4 +#define RTL88E_MAX_CMD_LEN 7 +#define RTL88E_MESSAGE_BOX_SIZE 4 +#define RTL88E_EX_MESSAGE_BOX_SIZE 4 + +static u8 _is_fw_read_cmd_down(struct adapter *adapt, u8 msgbox_num) +{ + u8 read_down = false; + int retry_cnts = 100; + + u8 valid; + + do { + valid = usb_read8(adapt, REG_HMETFR) & BIT(msgbox_num); + if (valid == 0) + read_down = true; + } while ((!read_down) && (retry_cnts--)); + + return read_down; +} + +/***************************************** +* H2C Msg format : +* 0x1DF - 0x1D0 +*| 31 - 8 | 7-5 4 - 0 | +*| h2c_msg |Class_ID CMD_ID | +* +* Extend 0x1FF - 0x1F0 +*|31 - 0 | +*|ext_msg| +******************************************/ +static s32 FillH2CCmd_88E(struct adapter *adapt, u8 ElementID, u32 CmdLen, u8 *pCmdBuffer) +{ + u8 bcmd_down = false; + s32 retry_cnts = 100; + u8 h2c_box_num; + u32 msgbox_addr; + u32 msgbox_ex_addr; + u8 cmd_idx, ext_cmd_len; + u32 h2c_cmd = 0; + u32 h2c_cmd_ex = 0; + s32 ret = _FAIL; + + if (!adapt->bFWReady) { + DBG_88E("%s(): return H2C cmd because fw is not ready\n", + __func__); + return ret; + } + + if (!pCmdBuffer) + goto exit; + if (CmdLen > RTL88E_MAX_CMD_LEN) + goto exit; + if (adapt->bSurpriseRemoved) + goto exit; + + /* pay attention to if race condition happened in H2C cmd setting. */ + do { + h2c_box_num = adapt->HalData->LastHMEBoxNum; + + if (!_is_fw_read_cmd_down(adapt, h2c_box_num)) { + DBG_88E(" fw read cmd failed...\n"); + goto exit; + } + + *(u8 *)(&h2c_cmd) = ElementID; + + if (CmdLen <= 3) { + memcpy((u8 *)(&h2c_cmd)+1, pCmdBuffer, CmdLen); + } else { + memcpy((u8 *)(&h2c_cmd)+1, pCmdBuffer, 3); + ext_cmd_len = CmdLen-3; + memcpy((u8 *)(&h2c_cmd_ex), pCmdBuffer+3, ext_cmd_len); + + /* Write Ext command */ + msgbox_ex_addr = REG_HMEBOX_EXT_0 + (h2c_box_num * RTL88E_EX_MESSAGE_BOX_SIZE); + for (cmd_idx = 0; cmd_idx < ext_cmd_len; cmd_idx++) { + usb_write8(adapt, msgbox_ex_addr+cmd_idx, *((u8 *)(&h2c_cmd_ex)+cmd_idx)); + } + } + /* Write command */ + msgbox_addr = REG_HMEBOX_0 + (h2c_box_num * RTL88E_MESSAGE_BOX_SIZE); + for (cmd_idx = 0; cmd_idx < RTL88E_MESSAGE_BOX_SIZE; cmd_idx++) { + usb_write8(adapt, msgbox_addr+cmd_idx, *((u8 *)(&h2c_cmd)+cmd_idx)); + } + bcmd_down = true; + + adapt->HalData->LastHMEBoxNum = + (h2c_box_num+1) % RTL88E_MAX_H2C_BOX_NUMS; + + } while ((!bcmd_down) && (retry_cnts--)); + + ret = _SUCCESS; + +exit: + return ret; +} + +/* bitmap[0:27] = tx_rate_bitmap */ +/* bitmap[28:31]= Rate Adaptive id */ +/* arg[0:4] = macid */ +/* arg[5] = Short GI */ +void rtw_hal_add_ra_tid(struct adapter *pAdapter, u32 bitmap, u8 arg, u8 rssi_level) +{ + struct odm_dm_struct *odmpriv = &pAdapter->HalData->odmpriv; + + u8 macid, init_rate, raid, shortGIrate = false; + + macid = arg&0x1f; + + raid = (bitmap>>28) & 0x0f; + bitmap &= 0x0fffffff; + + if (rssi_level != DM_RATR_STA_INIT) + bitmap = ODM_Get_Rate_Bitmap(odmpriv, macid, bitmap, rssi_level); + + bitmap |= ((raid<<28)&0xf0000000); + + init_rate = get_highest_rate_idx(bitmap&0x0fffffff)&0x3f; + + shortGIrate = (arg & BIT(5)) ? true : false; + + if (shortGIrate) + init_rate |= BIT(6); + + raid = (bitmap>>28) & 0x0f; + + bitmap &= 0x0fffffff; + + DBG_88E("%s=> mac_id:%d, raid:%d, ra_bitmap=0x%x, shortGIrate=0x%02x\n", + __func__, macid, raid, bitmap, shortGIrate); + + ODM_RA_UpdateRateInfo_8188E(odmpriv, macid, raid, bitmap, shortGIrate); +} + +void rtl8188e_set_FwPwrMode_cmd(struct adapter *adapt, u8 Mode) +{ + struct setpwrmode_parm H2CSetPwrMode; + struct pwrctrl_priv *pwrpriv = &adapt->pwrctrlpriv; + u8 RLBM = 0; /* 0:Min, 1:Max, 2:User define */ + + DBG_88E("%s: Mode=%d SmartPS=%d UAPSD=%d\n", __func__, + Mode, pwrpriv->smart_ps, adapt->registrypriv.uapsd_enable); + + switch (Mode) { + case PS_MODE_ACTIVE: + H2CSetPwrMode.Mode = 0; + break; + case PS_MODE_MIN: + H2CSetPwrMode.Mode = 1; + break; + case PS_MODE_MAX: + RLBM = 1; + H2CSetPwrMode.Mode = 1; + break; + case PS_MODE_DTIM: + RLBM = 2; + H2CSetPwrMode.Mode = 1; + break; + case PS_MODE_UAPSD_WMM: + H2CSetPwrMode.Mode = 2; + break; + default: + H2CSetPwrMode.Mode = 0; + break; + } + + H2CSetPwrMode.SmartPS_RLBM = (((pwrpriv->smart_ps<<4)&0xf0) | (RLBM & 0x0f)); + + H2CSetPwrMode.AwakeInterval = 1; + + H2CSetPwrMode.bAllQueueUAPSD = adapt->registrypriv.uapsd_enable; + + if (Mode > 0) + H2CSetPwrMode.PwrState = 0x00;/* AllON(0x0C), RFON(0x04), RFOFF(0x00) */ + else + H2CSetPwrMode.PwrState = 0x0C;/* AllON(0x0C), RFON(0x04), RFOFF(0x00) */ + + FillH2CCmd_88E(adapt, H2C_PS_PWR_MODE, sizeof(H2CSetPwrMode), (u8 *)&H2CSetPwrMode); +} + +void rtl8188e_set_FwMediaStatus_cmd(struct adapter *adapt, __le16 mstatus_rpt) +{ + u8 opmode, macid; + u16 mst_rpt = le16_to_cpu(mstatus_rpt); + + opmode = (u8)mst_rpt; + macid = (u8)(mst_rpt >> 8); + + DBG_88E("### %s: MStatus=%x MACID=%d\n", __func__, opmode, macid); + FillH2CCmd_88E(adapt, H2C_COM_MEDIA_STATUS_RPT, sizeof(mst_rpt), (u8 *)&mst_rpt); +} + +static void ConstructBeacon(struct adapter *adapt, u8 *pframe, u32 *pLength) +{ + struct ieee80211_hdr *pwlanhdr; + __le16 *fctrl; + u32 rate_len, pktlen; + struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv); + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); + u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + + pwlanhdr = (struct ieee80211_hdr *)pframe; + + fctrl = &pwlanhdr->frame_control; + *(fctrl) = 0; + + ether_addr_copy(pwlanhdr->addr1, bc_addr); + ether_addr_copy(pwlanhdr->addr2, myid(&(adapt->eeprompriv))); + ether_addr_copy(pwlanhdr->addr3, cur_network->MacAddress); + + SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/); + SetFrameSubType(pframe, WIFI_BEACON); + + pframe += sizeof(struct ieee80211_hdr_3addr); + pktlen = sizeof(struct ieee80211_hdr_3addr); + + /* timestamp will be inserted by hardware */ + pframe += 8; + pktlen += 8; + + /* beacon interval: 2 bytes */ + memcpy(pframe, (unsigned char *)(rtw_get_beacon_interval_from_ie(cur_network->ies)), 2); + + pframe += 2; + pktlen += 2; + + /* capability info: 2 bytes */ + memcpy(pframe, (unsigned char *)(rtw_get_capability_from_ie(cur_network->ies)), 2); + + pframe += 2; + pktlen += 2; + + if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) { + pktlen += cur_network->ie_length - sizeof(struct ndis_802_11_fixed_ie); + memcpy(pframe, cur_network->ies+sizeof(struct ndis_802_11_fixed_ie), pktlen); + + goto _ConstructBeacon; + } + + /* below for ad-hoc mode */ + + /* SSID */ + pframe = rtw_set_ie(pframe, _SSID_IE_, cur_network->Ssid.SsidLength, cur_network->Ssid.Ssid, &pktlen); + + /* supported rates... */ + rate_len = rtw_get_rateset_len(cur_network->SupportedRates); + pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, min_t(u32, rate_len, 8), cur_network->SupportedRates, &pktlen); + + /* DS parameter set */ + pframe = rtw_set_ie(pframe, _DSSET_IE_, 1, (unsigned char *)&(cur_network->Configuration.DSConfig), &pktlen); + + if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) { + u32 ATIMWindow; + /* IBSS Parameter Set... */ + ATIMWindow = 0; + pframe = rtw_set_ie(pframe, _IBSS_PARA_IE_, 2, (unsigned char *)(&ATIMWindow), &pktlen); + } + + /* todo: ERP IE */ + + /* EXTERNDED SUPPORTED RATE */ + if (rate_len > 8) + pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (rate_len - 8), (cur_network->SupportedRates + 8), &pktlen); + + /* todo:HT for adhoc */ + +_ConstructBeacon: + + if ((pktlen + TXDESC_SIZE) > 512) { + DBG_88E("beacon frame too large\n"); + return; + } + + *pLength = pktlen; +} + +static void ConstructPSPoll(struct adapter *adapt, u8 *pframe, u32 *pLength) +{ + struct ieee80211_hdr *pwlanhdr; + struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv); + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + __le16 *fctrl; + struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network); + + pwlanhdr = (struct ieee80211_hdr *)pframe; + + /* Frame control. */ + fctrl = &pwlanhdr->frame_control; + *(fctrl) = 0; + SetPwrMgt(fctrl); + SetFrameSubType(pframe, WIFI_PSPOLL); + + /* AID. */ + SetDuration(pframe, (pmlmeinfo->aid | 0xc000)); + + /* BSSID. */ + ether_addr_copy(pwlanhdr->addr1, pnetwork->MacAddress); + + /* TA. */ + ether_addr_copy(pwlanhdr->addr2, myid(&(adapt->eeprompriv))); + + *pLength = 16; +} + +static void ConstructNullFunctionData(struct adapter *adapt, u8 *pframe, + u32 *pLength, + u8 *StaAddr, + u8 bQoS, + u8 AC, + u8 bEosp, + u8 bForcePowerSave) +{ + struct ieee80211_hdr *pwlanhdr; + __le16 *fctrl; + u32 pktlen; + struct mlme_priv *pmlmepriv = &adapt->mlmepriv; + struct wlan_network *cur_network = &pmlmepriv->cur_network; + struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv); + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network); + + pwlanhdr = (struct ieee80211_hdr *)pframe; + + fctrl = &pwlanhdr->frame_control; + *(fctrl) = 0; + if (bForcePowerSave) + SetPwrMgt(fctrl); + + switch (cur_network->network.InfrastructureMode) { + case Ndis802_11Infrastructure: + SetToDs(fctrl); + ether_addr_copy(pwlanhdr->addr1, pnetwork->MacAddress); + ether_addr_copy(pwlanhdr->addr2, myid(&(adapt->eeprompriv))); + ether_addr_copy(pwlanhdr->addr3, StaAddr); + break; + case Ndis802_11APMode: + SetFrDs(fctrl); + ether_addr_copy(pwlanhdr->addr1, StaAddr); + ether_addr_copy(pwlanhdr->addr2, pnetwork->MacAddress); + ether_addr_copy(pwlanhdr->addr3, myid(&(adapt->eeprompriv))); + break; + case Ndis802_11IBSS: + default: + ether_addr_copy(pwlanhdr->addr1, StaAddr); + ether_addr_copy(pwlanhdr->addr2, myid(&(adapt->eeprompriv))); + ether_addr_copy(pwlanhdr->addr3, pnetwork->MacAddress); + break; + } + + SetSeqNum(pwlanhdr, 0); + + if (bQoS) { + struct ieee80211_qos_hdr *pwlanqoshdr; + + SetFrameSubType(pframe, WIFI_QOS_DATA_NULL); + + pwlanqoshdr = (struct ieee80211_qos_hdr *)pframe; + SetPriority(&pwlanqoshdr->qos_ctrl, AC); + SetEOSP(&pwlanqoshdr->qos_ctrl, bEosp); + + pktlen = sizeof(struct ieee80211_qos_hdr); + } else { + SetFrameSubType(pframe, WIFI_DATA_NULL); + + pktlen = sizeof(struct ieee80211_hdr_3addr); + } + + *pLength = pktlen; +} + +static void ConstructProbeRsp(struct adapter *adapt, u8 *pframe, u32 *pLength, u8 *StaAddr, bool bHideSSID) +{ + struct ieee80211_hdr *pwlanhdr; + __le16 *fctrl; + u8 *mac, *bssid; + u32 pktlen; + struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv); + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); + + pwlanhdr = (struct ieee80211_hdr *)pframe; + + mac = myid(&(adapt->eeprompriv)); + bssid = cur_network->MacAddress; + + fctrl = &pwlanhdr->frame_control; + *(fctrl) = 0; + ether_addr_copy(pwlanhdr->addr1, StaAddr); + ether_addr_copy(pwlanhdr->addr2, mac); + ether_addr_copy(pwlanhdr->addr3, bssid); + + SetSeqNum(pwlanhdr, 0); + SetFrameSubType(fctrl, WIFI_PROBERSP); + + pktlen = sizeof(struct ieee80211_hdr_3addr); + pframe += pktlen; + + if (cur_network->ie_length > MAX_IE_SZ) + return; + + memcpy(pframe, cur_network->ies, cur_network->ie_length); + pframe += cur_network->ie_length; + pktlen += cur_network->ie_length; + + *pLength = pktlen; +} + +/* */ +/* Description: Fill the reserved packets that FW will use to RSVD page. */ +/* Now we just send 4 types packet to rsvd page. */ +/* (1)Beacon, (2)Ps-poll, (3)Null data, (4)ProbeRsp. */ +/* Input: */ +/* bDLFinished - false: At the first time we will send all the packets as a large packet to Hw, */ +/* so we need to set the packet length to total length. */ +/* true: At the second time, we should send the first packet (default:beacon) */ +/* to Hw again and set the length in descriptor to the real beacon length. */ +/* 2009.10.15 by tynli. */ +static void SetFwRsvdPagePkt(struct adapter *adapt, bool bDLFinished) +{ + struct xmit_frame *pmgntframe; + struct pkt_attrib *pattrib; + struct xmit_priv *pxmitpriv; + struct mlme_ext_priv *pmlmeext; + struct mlme_ext_info *pmlmeinfo; + u32 BeaconLength = 0, ProbeRspLength = 0, PSPollLength; + u32 NullDataLength, QosNullLength; + u8 *ReservedPagePacket; + u8 PageNum, PageNeed, TxDescLen; + u16 BufIndex; + u32 TotalPacketLen; + struct rsvdpage_loc RsvdPageLoc; + struct wlan_bssid_ex *pnetwork; + + DBG_88E("%s\n", __func__); + ReservedPagePacket = kzalloc(1000, GFP_KERNEL); + if (!ReservedPagePacket) { + DBG_88E("%s: alloc ReservedPagePacket fail!\n", __func__); + return; + } + + pxmitpriv = &adapt->xmitpriv; + pmlmeext = &adapt->mlmeextpriv; + pmlmeinfo = &pmlmeext->mlmext_info; + pnetwork = &(pmlmeinfo->network); + + TxDescLen = TXDESC_SIZE; + PageNum = 0; + + /* 3 (1) beacon * 2 pages */ + BufIndex = TXDESC_OFFSET; + ConstructBeacon(adapt, &ReservedPagePacket[BufIndex], &BeaconLength); + + /* When we count the first page size, we need to reserve description size for the RSVD */ + /* packet, it will be filled in front of the packet in TXPKTBUF. */ + PageNeed = (u8)PageNum_128(TxDescLen + BeaconLength); + /* To reserved 2 pages for beacon buffer. 2010.06.24. */ + if (PageNeed == 1) + PageNeed += 1; + PageNum += PageNeed; + adapt->HalData->FwRsvdPageStartOffset = PageNum; + + BufIndex += PageNeed*128; + + /* 3 (2) ps-poll *1 page */ + RsvdPageLoc.LocPsPoll = PageNum; + ConstructPSPoll(adapt, &ReservedPagePacket[BufIndex], &PSPollLength); + rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex-TxDescLen], PSPollLength, true, false); + + PageNeed = (u8)PageNum_128(TxDescLen + PSPollLength); + PageNum += PageNeed; + + BufIndex += PageNeed*128; + + /* 3 (3) null data * 1 page */ + RsvdPageLoc.LocNullData = PageNum; + ConstructNullFunctionData(adapt, &ReservedPagePacket[BufIndex], &NullDataLength, pnetwork->MacAddress, false, 0, 0, false); + rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex-TxDescLen], NullDataLength, false, false); + + PageNeed = (u8)PageNum_128(TxDescLen + NullDataLength); + PageNum += PageNeed; + + BufIndex += PageNeed*128; + + /* 3 (4) probe response * 1page */ + RsvdPageLoc.LocProbeRsp = PageNum; + ConstructProbeRsp(adapt, &ReservedPagePacket[BufIndex], &ProbeRspLength, pnetwork->MacAddress, false); + rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex-TxDescLen], ProbeRspLength, false, false); + + PageNeed = (u8)PageNum_128(TxDescLen + ProbeRspLength); + PageNum += PageNeed; + + BufIndex += PageNeed*128; + + /* 3 (5) Qos null data */ + RsvdPageLoc.LocQosNull = PageNum; + ConstructNullFunctionData(adapt, &ReservedPagePacket[BufIndex], + &QosNullLength, pnetwork->MacAddress, true, 0, 0, false); + rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex-TxDescLen], QosNullLength, false, false); + + PageNeed = (u8)PageNum_128(TxDescLen + QosNullLength); + PageNum += PageNeed; + + TotalPacketLen = BufIndex + QosNullLength; + pmgntframe = alloc_mgtxmitframe(pxmitpriv); + if (!pmgntframe) + goto exit; + + /* update attribute */ + pattrib = &pmgntframe->attrib; + update_mgntframe_attrib(adapt, pattrib); + pattrib->qsel = 0x10; + pattrib->last_txcmdsz = TotalPacketLen - TXDESC_OFFSET; + pattrib->pktlen = pattrib->last_txcmdsz; + memcpy(pmgntframe->buf_addr, ReservedPagePacket, TotalPacketLen); + + rtw_hal_mgnt_xmit(adapt, pmgntframe); + + DBG_88E("%s: Set RSVD page location to Fw\n", __func__); + FillH2CCmd_88E(adapt, H2C_COM_RSVD_PAGE, sizeof(RsvdPageLoc), (u8 *)&RsvdPageLoc); + +exit: + kfree(ReservedPagePacket); +} + +void rtl8188e_set_FwJoinBssReport_cmd(struct adapter *adapt, u8 mstatus) +{ + struct hal_data_8188e *haldata = adapt->HalData; + struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv); + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + bool bSendBeacon = false; + bool bcn_valid = false; + u8 DLBcnCount = 0; + u32 poll = 0; + + DBG_88E("%s mstatus(%x)\n", __func__, mstatus); + + if (mstatus == 1) { + /* We should set AID, correct TSF, HW seq enable before set JoinBssReport to Fw in 88/92C. */ + /* Suggested by filen. Added by tynli. */ + usb_write16(adapt, REG_BCN_PSR_RPT, (0xC000|pmlmeinfo->aid)); + /* Do not set TSF again here or vWiFi beacon DMA INT will not work. */ + + /* Set REG_CR bit 8. DMA beacon by SW. */ + haldata->RegCR_1 |= BIT(0); + usb_write8(adapt, REG_CR+1, haldata->RegCR_1); + + /* Disable Hw protection for a time which revserd for Hw sending beacon. */ + /* Fix download reserved page packet fail that access collision with the protection time. */ + /* 2010.05.11. Added by tynli. */ + usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL)&(~BIT(3))); + usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL) | BIT(4)); + + if (haldata->RegFwHwTxQCtrl & BIT(6)) { + DBG_88E("HalDownloadRSVDPage(): There is an Adapter is sending beacon.\n"); + bSendBeacon = true; + } + + /* Set FWHW_TXQ_CTRL 0x422[6]=0 to tell Hw the packet is not a real beacon frame. */ + usb_write8(adapt, REG_FWHW_TXQ_CTRL+2, (haldata->RegFwHwTxQCtrl&(~BIT(6)))); + haldata->RegFwHwTxQCtrl &= (~BIT(6)); + + /* Clear beacon valid check bit. */ + rtw_hal_set_hwreg(adapt, HW_VAR_BCN_VALID, NULL); + DLBcnCount = 0; + poll = 0; + do { + /* download rsvd page. */ + SetFwRsvdPagePkt(adapt, false); + DLBcnCount++; + do { + yield(); + /* mdelay(10); */ + /* check rsvd page download OK. */ + rtw_hal_get_hwreg(adapt, HW_VAR_BCN_VALID, (u8 *)(&bcn_valid)); + poll++; + } while (!bcn_valid && (poll%10) != 0 && !adapt->bSurpriseRemoved && !adapt->bDriverStopped); + } while (!bcn_valid && DLBcnCount <= 100 && !adapt->bSurpriseRemoved && !adapt->bDriverStopped); + + if (adapt->bSurpriseRemoved || adapt->bDriverStopped) + ; + else if (!bcn_valid) + DBG_88E("%s: 1 Download RSVD page failed! DLBcnCount:%u, poll:%u\n", __func__, DLBcnCount, poll); + else + DBG_88E("%s: 1 Download RSVD success! DLBcnCount:%u, poll:%u\n", __func__, DLBcnCount, poll); + /* */ + /* We just can send the reserved page twice during the time that Tx thread is stopped (e.g. pnpsetpower) */ + /* because we need to free the Tx BCN Desc which is used by the first reserved page packet. */ + /* At run time, we cannot get the Tx Desc until it is released in TxHandleInterrupt() so we will return */ + /* the beacon TCB in the following code. 2011.11.23. by tynli. */ + /* */ + + /* Enable Bcn */ + usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL) | BIT(3)); + usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL)&(~BIT(4))); + + /* To make sure that if there exists an adapter which would like to send beacon. */ + /* If exists, the origianl value of 0x422[6] will be 1, we should check this to */ + /* prevent from setting 0x422[6] to 0 after download reserved page, or it will cause */ + /* the beacon cannot be sent by HW. */ + /* 2010.06.23. Added by tynli. */ + if (bSendBeacon) { + usb_write8(adapt, REG_FWHW_TXQ_CTRL+2, (haldata->RegFwHwTxQCtrl | BIT(6))); + haldata->RegFwHwTxQCtrl |= BIT(6); + } + + /* Update RSVD page location H2C to Fw. */ + if (bcn_valid) { + rtw_hal_set_hwreg(adapt, HW_VAR_BCN_VALID, NULL); + DBG_88E("Set RSVD page location to Fw.\n"); + } + + /* Do not enable HW DMA BCN or it will cause Pcie interface hang by timing issue. 2011.11.24. by tynli. */ + /* Clear CR[8] or beacon packet will not be send to TxBuf anymore. */ + haldata->RegCR_1 &= (~BIT(0)); + usb_write8(adapt, REG_CR+1, haldata->RegCR_1); + } +} |