[deliverable/linux.git] / drivers / net / wireless / rtlwifi / rtl8192se / trx.c

/******************************************************************************
 *
 * Copyright(c) 2009-2012  Realtek Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 * wlanfae <wlanfae@realtek.com>
 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
 * Hsinchu 300, Taiwan.
 *
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 *****************************************************************************/

#include "../wifi.h"
#include "../pci.h"
#include "../base.h"
#include "../stats.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
#include "fw.h"
#include "trx.h"
#include "led.h"

static u8 _rtl92se_map_hwqueue_to_fwqueue(struct sk_buff *skb,	u8 skb_queue)
{
	__le16 fc = rtl_get_fc(skb);

	if (unlikely(ieee80211_is_beacon(fc)))
		return QSLT_BEACON;
	if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
		return QSLT_MGNT;
	if (ieee80211_is_nullfunc(fc))
		return QSLT_HIGH;

	return skb->priority;
}

static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw,
				       struct rtl_stats *pstats, u8 *pdesc,
				       struct rx_fwinfo *p_drvinfo,
				       bool packet_match_bssid,
				       bool packet_toself,
				       bool packet_beacon)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct phy_sts_cck_8192s_t *cck_buf;
	struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
	s8 rx_pwr_all = 0, rx_pwr[4];
	u8 rf_rx_num = 0, evm, pwdb_all;
	u8 i, max_spatial_stream;
	u32 rssi, total_rssi = 0;
	bool is_cck = pstats->is_cck;

	pstats->packet_matchbssid = packet_match_bssid;
	pstats->packet_toself = packet_toself;
	pstats->packet_beacon = packet_beacon;
	pstats->rx_mimo_sig_qual[0] = -1;
	pstats->rx_mimo_sig_qual[1] = -1;

	if (is_cck) {
		u8 report, cck_highpwr;
		cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;

		if (ppsc->rfpwr_state == ERFON)
			cck_highpwr = (u8) rtl_get_bbreg(hw,
						RFPGA0_XA_HSSIPARAMETER2,
						0x200);
		else
			cck_highpwr = false;

		if (!cck_highpwr) {
			u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
			report = cck_buf->cck_agc_rpt & 0xc0;
			report = report >> 6;
			switch (report) {
			case 0x3:
				rx_pwr_all = -40 - (cck_agc_rpt & 0x3e);
				break;
			case 0x2:
				rx_pwr_all = -20 - (cck_agc_rpt & 0x3e);
				break;
			case 0x1:
				rx_pwr_all = -2 - (cck_agc_rpt & 0x3e);
				break;
			case 0x0:
				rx_pwr_all = 14 - (cck_agc_rpt & 0x3e);
				break;
			}
		} else {
			u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
			report = p_drvinfo->cfosho[0] & 0x60;
			report = report >> 5;
			switch (report) {
			case 0x3:
				rx_pwr_all = -40 - ((cck_agc_rpt & 0x1f) << 1);
				break;
			case 0x2:
				rx_pwr_all = -20 - ((cck_agc_rpt & 0x1f) << 1);
				break;
			case 0x1:
				rx_pwr_all = -2 - ((cck_agc_rpt & 0x1f) << 1);
				break;
			case 0x0:
				rx_pwr_all = 14 - ((cck_agc_rpt & 0x1f) << 1);
				break;
			}
		}

		pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);

		/* CCK gain is smaller than OFDM/MCS gain,  */
		/* so we add gain diff by experiences, the val is 6 */
		pwdb_all += 6;
		if (pwdb_all > 100)
			pwdb_all = 100;
		/* modify the offset to make the same gain index with OFDM. */
		if (pwdb_all > 34 && pwdb_all <= 42)
			pwdb_all -= 2;
		else if (pwdb_all > 26 && pwdb_all <= 34)
			pwdb_all -= 6;
		else if (pwdb_all > 14 && pwdb_all <= 26)
			pwdb_all -= 8;
		else if (pwdb_all > 4 && pwdb_all <= 14)
			pwdb_all -= 4;

		pstats->rx_pwdb_all = pwdb_all;
		pstats->recvsignalpower = rx_pwr_all;

		if (packet_match_bssid) {
			u8 sq;
			if (pstats->rx_pwdb_all > 40) {
				sq = 100;
			} else {
				sq = cck_buf->sq_rpt;
				if (sq > 64)
					sq = 0;
				else if (sq < 20)
					sq = 100;
				else
					sq = ((64 - sq) * 100) / 44;
			}

			pstats->signalquality = sq;
			pstats->rx_mimo_sig_qual[0] = sq;
			pstats->rx_mimo_sig_qual[1] = -1;
		}
	} else {
		rtlpriv->dm.rfpath_rxenable[0] =
		    rtlpriv->dm.rfpath_rxenable[1] = true;
		for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
			if (rtlpriv->dm.rfpath_rxenable[i])
				rf_rx_num++;

			rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
				    0x3f) * 2) - 110;
			rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
			total_rssi += rssi;
			rtlpriv->stats.rx_snr_db[i] =
					 (long)(p_drvinfo->rxsnr[i] / 2);

			if (packet_match_bssid)
				pstats->rx_mimo_signalstrength[i] = (u8) rssi;
		}

		rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
		pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
		pstats->rx_pwdb_all = pwdb_all;
		pstats->rxpower = rx_pwr_all;
		pstats->recvsignalpower = rx_pwr_all;

		if (pstats->is_ht && pstats->rate >= DESC92_RATEMCS8 &&
		    pstats->rate <= DESC92_RATEMCS15)
			max_spatial_stream = 2;
		else
			max_spatial_stream = 1;

		for (i = 0; i < max_spatial_stream; i++) {
			evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);

			if (packet_match_bssid) {
				if (i == 0)
					pstats->signalquality = (u8)(evm &
								 0xff);
				pstats->rx_mimo_sig_qual[i] = (u8) (evm & 0xff);
			}
		}
	}

	if (is_cck)
		pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
					 pwdb_all));
	else if (rf_rx_num != 0)
		pstats->signalstrength = (u8) (rtl_signal_scale_mapping(hw,
				total_rssi /= rf_rx_num));
}

static void _rtl92se_translate_rx_signal_stuff(struct ieee80211_hw *hw,
		struct sk_buff *skb, struct rtl_stats *pstats,
		u8 *pdesc, struct rx_fwinfo *p_drvinfo)
{
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));

	struct ieee80211_hdr *hdr;
	u8 *tmp_buf;
	u8 *praddr;
	__le16 fc;
	u16 type, cfc;
	bool packet_matchbssid, packet_toself, packet_beacon = false;

	tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;

	hdr = (struct ieee80211_hdr *)tmp_buf;
	fc = hdr->frame_control;
	cfc = le16_to_cpu(fc);
	type = WLAN_FC_GET_TYPE(fc);
	praddr = hdr->addr1;

	packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
	     ether_addr_equal(mac->bssid,
			      (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
			      (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
			      hdr->addr3) &&
	     (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));

	packet_toself = packet_matchbssid &&
	    ether_addr_equal(praddr, rtlefuse->dev_addr);

	if (ieee80211_is_beacon(fc))
		packet_beacon = true;

	_rtl92se_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
			packet_matchbssid, packet_toself, packet_beacon);
	rtl_process_phyinfo(hw, tmp_buf, pstats);
}

bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
			   struct ieee80211_rx_status *rx_status, u8 *pdesc,
			   struct sk_buff *skb)
{
	struct rx_fwinfo *p_drvinfo;
	u32 phystatus = (u32)GET_RX_STATUS_DESC_PHY_STATUS(pdesc);
	struct ieee80211_hdr *hdr;
	bool first_ampdu = false;

	stats->length = (u16)GET_RX_STATUS_DESC_PKT_LEN(pdesc);
	stats->rx_drvinfo_size = (u8)GET_RX_STATUS_DESC_DRVINFO_SIZE(pdesc) * 8;
	stats->rx_bufshift = (u8)(GET_RX_STATUS_DESC_SHIFT(pdesc) & 0x03);
	stats->icv = (u16)GET_RX_STATUS_DESC_ICV(pdesc);
	stats->crc = (u16)GET_RX_STATUS_DESC_CRC32(pdesc);
	stats->hwerror = (u16)(stats->crc | stats->icv);
	stats->decrypted = !GET_RX_STATUS_DESC_SWDEC(pdesc);

	stats->rate = (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc);
	stats->shortpreamble = (u16)GET_RX_STATUS_DESC_SPLCP(pdesc);
	stats->isampdu = (bool)(GET_RX_STATUS_DESC_PAGGR(pdesc) == 1);
	stats->isfirst_ampdu = (bool) ((GET_RX_STATUS_DESC_PAGGR(pdesc) == 1)
			       && (GET_RX_STATUS_DESC_FAGGR(pdesc) == 1));
	stats->timestamp_low = GET_RX_STATUS_DESC_TSFL(pdesc);
	stats->rx_is40Mhzpacket = (bool)GET_RX_STATUS_DESC_BW(pdesc);
	stats->is_ht = (bool)GET_RX_STATUS_DESC_RX_HT(pdesc);
	stats->is_cck = SE_RX_HAL_IS_CCK_RATE(pdesc);

	if (stats->hwerror)
		return false;

	rx_status->freq = hw->conf.chandef.chan->center_freq;
	rx_status->band = hw->conf.chandef.chan->band;

	if (stats->crc)
		rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;

	if (stats->rx_is40Mhzpacket)
		rx_status->flag |= RX_FLAG_40MHZ;

	if (stats->is_ht)
		rx_status->flag |= RX_FLAG_HT;

	rx_status->flag |= RX_FLAG_MACTIME_START;

	/* hw will set stats->decrypted true, if it finds the
	 * frame is open data frame or mgmt frame,
	 * hw will not decrypt robust managment frame
	 * for IEEE80211w but still set stats->decrypted
	 * true, so here we should set it back to undecrypted
	 * for IEEE80211w frame, and mac80211 sw will help
	 * to decrypt it */
	if (stats->decrypted) {
		hdr = (struct ieee80211_hdr *)(skb->data +
		       stats->rx_drvinfo_size + stats->rx_bufshift);

		if (!hdr) {
			/* during testing, hdr was NULL here */
			return false;
		}
		if ((ieee80211_is_robust_mgmt_frame(hdr)) &&
			(ieee80211_has_protected(hdr->frame_control)))
			rx_status->flag &= ~RX_FLAG_DECRYPTED;
		else
			rx_status->flag |= RX_FLAG_DECRYPTED;
	}

	rx_status->rate_idx = rtlwifi_rate_mapping(hw,
			      stats->is_ht, stats->rate, first_ampdu);

	rx_status->mactime = stats->timestamp_low;
	if (phystatus) {
		p_drvinfo = (struct rx_fwinfo *)(skb->data +
						 stats->rx_bufshift);
		_rtl92se_translate_rx_signal_stuff(hw, skb, stats, pdesc,
						   p_drvinfo);
	}

	/*rx_status->qual = stats->signal; */
	rx_status->signal = stats->rssi + 10;
	/*rx_status->noise = -stats->noise; */

	return true;
}

void rtl92se_tx_fill_desc(struct ieee80211_hw *hw,
		struct ieee80211_hdr *hdr, u8 *pdesc_tx,
		struct ieee80211_tx_info *info,
		struct ieee80211_sta *sta,
		struct sk_buff *skb,
		u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
	u8 *pdesc = pdesc_tx;
	u16 seq_number;
	__le16 fc = hdr->frame_control;
	u8 reserved_macid = 0;
	u8 fw_qsel = _rtl92se_map_hwqueue_to_fwqueue(skb, hw_queue);
	bool firstseg = (!(hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)));
	bool lastseg = (!(hdr->frame_control &
			cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)));
	dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
		    PCI_DMA_TODEVICE);
	u8 bw_40 = 0;

	if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
		RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
			 "DMA mapping error");
		return;
	}
	if (mac->opmode == NL80211_IFTYPE_STATION) {
		bw_40 = mac->bw_40;
	} else if (mac->opmode == NL80211_IFTYPE_AP ||
		mac->opmode == NL80211_IFTYPE_ADHOC) {
		if (sta)
			bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
	}

	seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;

	rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);

	CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE_RTL8192S);

	if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
		firstseg = true;
		lastseg = true;
	}

	if (firstseg) {
		if (rtlpriv->dm.useramask) {
			/* set txdesc macId */
			if (ptcb_desc->mac_id < 32) {
				SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
				reserved_macid |= ptcb_desc->mac_id;
			}
		}
		SET_TX_DESC_RSVD_MACID(pdesc, reserved_macid);

		SET_TX_DESC_TXHT(pdesc, ((ptcb_desc->hw_rate >=
				 DESC92_RATEMCS0) ? 1 : 0));

		if (rtlhal->version == VERSION_8192S_ACUT) {
			if (ptcb_desc->hw_rate == DESC92_RATE1M ||
				ptcb_desc->hw_rate  == DESC92_RATE2M ||
				ptcb_desc->hw_rate == DESC92_RATE5_5M ||
				ptcb_desc->hw_rate == DESC92_RATE11M) {
				ptcb_desc->hw_rate = DESC92_RATE12M;
			}
		}

		SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);

		if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
			SET_TX_DESC_TX_SHORT(pdesc, 0);

		/* Aggregation related */
		if (info->flags & IEEE80211_TX_CTL_AMPDU)
			SET_TX_DESC_AGG_ENABLE(pdesc, 1);

		/* For AMPDU, we must insert SSN into TX_DESC */
		SET_TX_DESC_SEQ(pdesc, seq_number);

		/* Protection mode related */
		/* For 92S, if RTS/CTS are set, HW will execute RTS. */
		/* We choose only one protection mode to execute */
		SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
				!ptcb_desc->cts_enable) ? 1 : 0));
		SET_TX_DESC_CTS_ENABLE(pdesc, ((ptcb_desc->cts_enable) ?
				       1 : 0));
		SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));

		SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
		SET_TX_DESC_RTS_BANDWIDTH(pdesc, 0);
		SET_TX_DESC_RTS_SUB_CARRIER(pdesc, ptcb_desc->rts_sc);
		SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
		       DESC92_RATE54M) ?
		       (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
		       : (ptcb_desc->rts_use_shortgi ? 1 : 0)));


		/* Set Bandwidth and sub-channel settings. */
		if (bw_40) {
			if (ptcb_desc->packet_bw) {
				SET_TX_DESC_TX_BANDWIDTH(pdesc, 1);
				/* use duplicated mode */
				SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
			} else {
				SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
				SET_TX_DESC_TX_SUB_CARRIER(pdesc,
						   mac->cur_40_prime_sc);
			}
		} else {
			SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
			SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
		}

		/* 3 Fill necessary field in First Descriptor */
		/*DWORD 0*/
		SET_TX_DESC_LINIP(pdesc, 0);
		SET_TX_DESC_OFFSET(pdesc, 32);
		SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);

		/*DWORD 1*/
		SET_TX_DESC_RA_BRSR_ID(pdesc, ptcb_desc->ratr_index);

		/* Fill security related */
		if (info->control.hw_key) {
			struct ieee80211_key_conf *keyconf;

			keyconf = info->control.hw_key;
			switch (keyconf->cipher) {
			case WLAN_CIPHER_SUITE_WEP40:
			case WLAN_CIPHER_SUITE_WEP104:
				SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
				break;
			case WLAN_CIPHER_SUITE_TKIP:
				SET_TX_DESC_SEC_TYPE(pdesc, 0x2);
				break;
			case WLAN_CIPHER_SUITE_CCMP:
				SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
				break;
			default:
				SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
				break;

			}
		}

		/* Set Packet ID */
		SET_TX_DESC_PACKET_ID(pdesc, 0);

		/* We will assign magement queue to BK. */
		SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);

		/* Alwasy enable all rate fallback range */
		SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);

		/* Fix: I don't kown why hw use 6.5M to tx when set it */
		SET_TX_DESC_USER_RATE(pdesc,
				      ptcb_desc->use_driver_rate ? 1 : 0);

		/* Set NON_QOS bit. */
		if (!ieee80211_is_data_qos(fc))
			SET_TX_DESC_NON_QOS(pdesc, 1);

	}

	/* Fill fields that are required to be initialized
	 * in all of the descriptors */
	/*DWORD 0 */
	SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
	SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));

	/* DWORD 7 */
	SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);

	/* DOWRD 8 */
	SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);

	RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
}

void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
	bool firstseg, bool lastseg, struct sk_buff *skb)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
	struct rtl_tcb_desc *tcb_desc = (struct rtl_tcb_desc *)(skb->cb);

	dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
			PCI_DMA_TODEVICE);

	if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
		RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
			 "DMA mapping error");
		return;
	}
	/* Clear all status	*/
	CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S);

	/* This bit indicate this packet is used for FW download. */
	if (tcb_desc->cmd_or_init == DESC_PACKET_TYPE_INIT) {
		/* For firmware downlaod we only need to set LINIP */
		SET_TX_DESC_LINIP(pdesc, tcb_desc->last_inipkt);

		/* 92SE must set as 1 for firmware download HW DMA error */
		SET_TX_DESC_FIRST_SEG(pdesc, 1);
		SET_TX_DESC_LAST_SEG(pdesc, 1);

		/* 92SE need not to set TX packet size when firmware download */
		SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
		SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
		SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);

		wmb();
		SET_TX_DESC_OWN(pdesc, 1);
	} else { /* H2C Command Desc format (Host TXCMD) */
		/* 92SE must set as 1 for firmware download HW DMA error */
		SET_TX_DESC_FIRST_SEG(pdesc, 1);
		SET_TX_DESC_LAST_SEG(pdesc, 1);

		SET_TX_DESC_OFFSET(pdesc, 0x20);

		/* Buffer size + command header */
		SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
		/* Fixed queue of H2C command */
		SET_TX_DESC_QUEUE_SEL(pdesc, 0x13);

		SET_BITS_TO_LE_4BYTE(skb->data, 24, 7, rtlhal->h2c_txcmd_seq);

		SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
		SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);

		wmb();
		SET_TX_DESC_OWN(pdesc, 1);

	}
}

void rtl92se_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
{
	if (istx) {
		switch (desc_name) {
		case HW_DESC_OWN:
			wmb();
			SET_TX_DESC_OWN(pdesc, 1);
			break;
		case HW_DESC_TX_NEXTDESC_ADDR:
			SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
			break;
		default:
			RT_ASSERT(false, "ERR txdesc :%d not process\n",
				  desc_name);
			break;
		}
	} else {
		switch (desc_name) {
		case HW_DESC_RXOWN:
			wmb();
			SET_RX_STATUS_DESC_OWN(pdesc, 1);
			break;
		case HW_DESC_RXBUFF_ADDR:
			SET_RX_STATUS__DESC_BUFF_ADDR(pdesc, *(u32 *) val);
			break;
		case HW_DESC_RXPKT_LEN:
			SET_RX_STATUS_DESC_PKT_LEN(pdesc, *(u32 *) val);
			break;
		case HW_DESC_RXERO:
			SET_RX_STATUS_DESC_EOR(pdesc, 1);
			break;
		default:
			RT_ASSERT(false, "ERR rxdesc :%d not process\n",
				  desc_name);
			break;
		}
	}
}

u32 rtl92se_get_desc(u8 *desc, bool istx, u8 desc_name)
{
	u32 ret = 0;

	if (istx) {
		switch (desc_name) {
		case HW_DESC_OWN:
			ret = GET_TX_DESC_OWN(desc);
			break;
		case HW_DESC_TXBUFF_ADDR:
			ret = GET_TX_DESC_TX_BUFFER_ADDRESS(desc);
			break;
		default:
			RT_ASSERT(false, "ERR txdesc :%d not process\n",
				  desc_name);
			break;
		}
	} else {
		switch (desc_name) {
		case HW_DESC_OWN:
			ret = GET_RX_STATUS_DESC_OWN(desc);
			break;
		case HW_DESC_RXPKT_LEN:
			ret = GET_RX_STATUS_DESC_PKT_LEN(desc);
			break;
		default:
			RT_ASSERT(false, "ERR rxdesc :%d not process\n",
				  desc_name);
			break;
		}
	}
	return ret;
}

void rtl92se_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	rtl_write_word(rtlpriv, TP_POLL, BIT(0) << (hw_queue));
}
Commit	Line	Data
84f494ce CL	1	/******************************************************************************
84f494ce CL	2	*
ca742cd9	3	* Copyright(c) 2009-2012 Realtek Corporation.
84f494ce CL	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of version 2 of the GNU General Public License as
	7	* published by the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope that it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*
	14	* You should have received a copy of the GNU General Public License along with
	15	* this program; if not, write to the Free Software Foundation, Inc.,
	16	* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
	17	*
	18	* The full GNU General Public License is included in this distribution in the
	19	* file called LICENSE.
	20	*
	21	* Contact Information:
	22	* wlanfae <wlanfae@realtek.com>
	23	* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
	24	* Hsinchu 300, Taiwan.
	25	*
	26	* Larry Finger <Larry.Finger@lwfinger.net>
	27	*
	28	*****************************************************************************/
	29
	30	#include "../wifi.h"
	31	#include "../pci.h"
	32	#include "../base.h"
2455c92c	33	#include "../stats.h"
84f494ce CL	34	#include "reg.h"
	35	#include "def.h"
	36	#include "phy.h"
	37	#include "fw.h"
	38	#include "trx.h"
	39	#include "led.h"
	40
	41	static u8 _rtl92se_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 skb_queue)
	42	{
	43	__le16 fc = rtl_get_fc(skb);
	44
	45	if (unlikely(ieee80211_is_beacon(fc)))
	46	return QSLT_BEACON;
2455c92c	47	if (ieee80211_is_mgmt(fc) \|\| ieee80211_is_ctl(fc))
84f494ce CL	48	return QSLT_MGNT;
	49	if (ieee80211_is_nullfunc(fc))
	50	return QSLT_HIGH;
	51
	52	return skb->priority;
	53	}
	54
84f494ce CL	55	static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw,
	56	struct rtl_stats pstats, u8 pdesc,
	57	struct rx_fwinfo *p_drvinfo,
	58	bool packet_match_bssid,
	59	bool packet_toself,
	60	bool packet_beacon)
	61	{
	62	struct rtl_priv *rtlpriv = rtl_priv(hw);
	63	struct phy_sts_cck_8192s_t *cck_buf;
2455c92c	64	struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
84f494ce CL	65	s8 rx_pwr_all = 0, rx_pwr[4];
	66	u8 rf_rx_num = 0, evm, pwdb_all;
	67	u8 i, max_spatial_stream;
	68	u32 rssi, total_rssi = 0;
5c079d88	69	bool is_cck = pstats->is_cck;
84f494ce	70
84f494ce CL	71	pstats->packet_matchbssid = packet_match_bssid;
84f494ce CL	72	pstats->packet_toself = packet_toself;
84f494ce	73	pstats->packet_beacon = packet_beacon;
da17fcff LF	74	pstats->rx_mimo_sig_qual[0] = -1;
da17fcff LF	75	pstats->rx_mimo_sig_qual[1] = -1;
84f494ce	76
5c079d88	77	if (is_cck) {
84f494ce CL	78	u8 report, cck_highpwr;
	79	cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
	80
2455c92c	81	if (ppsc->rfpwr_state == ERFON)
84f494ce CL	82	cck_highpwr = (u8) rtl_get_bbreg(hw,
	83	RFPGA0_XA_HSSIPARAMETER2,
	84	0x200);
	85	else
	86	cck_highpwr = false;
	87
	88	if (!cck_highpwr) {
	89	u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
	90	report = cck_buf->cck_agc_rpt & 0xc0;
	91	report = report >> 6;
	92	switch (report) {
	93	case 0x3:
	94	rx_pwr_all = -40 - (cck_agc_rpt & 0x3e);
	95	break;
	96	case 0x2:
	97	rx_pwr_all = -20 - (cck_agc_rpt & 0x3e);
	98	break;
	99	case 0x1:
	100	rx_pwr_all = -2 - (cck_agc_rpt & 0x3e);
	101	break;
	102	case 0x0:
	103	rx_pwr_all = 14 - (cck_agc_rpt & 0x3e);
	104	break;
	105	}
	106	} else {
	107	u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
	108	report = p_drvinfo->cfosho[0] & 0x60;
	109	report = report >> 5;
	110	switch (report) {
	111	case 0x3:
	112	rx_pwr_all = -40 - ((cck_agc_rpt & 0x1f) << 1);
	113	break;
	114	case 0x2:
	115	rx_pwr_all = -20 - ((cck_agc_rpt & 0x1f) << 1);
	116	break;
	117	case 0x1:
	118	rx_pwr_all = -2 - ((cck_agc_rpt & 0x1f) << 1);
	119	break;
	120	case 0x0:
	121	rx_pwr_all = 14 - ((cck_agc_rpt & 0x1f) << 1);
	122	break;
	123	}
	124	}
	125
2455c92c	126	pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
84f494ce CL	127
	128	/* CCK gain is smaller than OFDM/MCS gain, */
	129	/* so we add gain diff by experiences, the val is 6 */
	130	pwdb_all += 6;
	131	if (pwdb_all > 100)
	132	pwdb_all = 100;
	133	/* modify the offset to make the same gain index with OFDM. */
	134	if (pwdb_all > 34 && pwdb_all <= 42)
	135	pwdb_all -= 2;
	136	else if (pwdb_all > 26 && pwdb_all <= 34)
	137	pwdb_all -= 6;
	138	else if (pwdb_all > 14 && pwdb_all <= 26)
	139	pwdb_all -= 8;
	140	else if (pwdb_all > 4 && pwdb_all <= 14)
	141	pwdb_all -= 4;
	142
	143	pstats->rx_pwdb_all = pwdb_all;
	144	pstats->recvsignalpower = rx_pwr_all;
	145
	146	if (packet_match_bssid) {
	147	u8 sq;
	148	if (pstats->rx_pwdb_all > 40) {
	149	sq = 100;
	150	} else {
	151	sq = cck_buf->sq_rpt;
	152	if (sq > 64)
	153	sq = 0;
	154	else if (sq < 20)
	155	sq = 100;
	156	else
	157	sq = ((64 - sq) * 100) / 44;
	158	}
	159
	160	pstats->signalquality = sq;
da17fcff LF	161	pstats->rx_mimo_sig_qual[0] = sq;
da17fcff LF	162	pstats->rx_mimo_sig_qual[1] = -1;
84f494ce CL	163	}
	164	} else {
	165	rtlpriv->dm.rfpath_rxenable[0] =
	166	rtlpriv->dm.rfpath_rxenable[1] = true;
2455c92c	167	for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
84f494ce CL	168	if (rtlpriv->dm.rfpath_rxenable[i])
	169	rf_rx_num++;
	170
	171	rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
	172	0x3f) * 2) - 110;
2455c92c	173	rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
84f494ce CL	174	total_rssi += rssi;
	175	rtlpriv->stats.rx_snr_db[i] =
	176	(long)(p_drvinfo->rxsnr[i] / 2);
	177
	178	if (packet_match_bssid)
	179	pstats->rx_mimo_signalstrength[i] = (u8) rssi;
	180	}
	181
	182	rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
2455c92c	183	pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
84f494ce CL	184	pstats->rx_pwdb_all = pwdb_all;
	185	pstats->rxpower = rx_pwr_all;
	186	pstats->recvsignalpower = rx_pwr_all;
	187
5c079d88 CL	188	if (pstats->is_ht && pstats->rate >= DESC92_RATEMCS8 &&
5c079d88 CL	189	pstats->rate <= DESC92_RATEMCS15)
84f494ce CL	190	max_spatial_stream = 2;
	191	else
	192	max_spatial_stream = 1;
	193
	194	for (i = 0; i < max_spatial_stream; i++) {
2455c92c	195	evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
84f494ce CL	196
	197	if (packet_match_bssid) {
	198	if (i == 0)
	199	pstats->signalquality = (u8)(evm &
	200	0xff);
da17fcff	201	pstats->rx_mimo_sig_qual[i] = (u8) (evm & 0xff);
84f494ce CL	202	}
	203	}
	204	}
	205
5c079d88	206	if (is_cck)
2455c92c	207	pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
84f494ce CL	208	pwdb_all));
84f494ce CL	209	else if (rf_rx_num != 0)
2455c92c	210	pstats->signalstrength = (u8) (rtl_signal_scale_mapping(hw,
84f494ce CL	211	total_rssi /= rf_rx_num));
	212	}
	213
84f494ce CL	214	static void _rtl92se_translate_rx_signal_stuff(struct ieee80211_hw *hw,
	215	struct sk_buff skb, struct rtl_stats pstats,
	216	u8 pdesc, struct rx_fwinfo p_drvinfo)
	217	{
	218	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	219	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
	220
	221	struct ieee80211_hdr *hdr;
	222	u8 *tmp_buf;
	223	u8 *praddr;
84f494ce CL	224	__le16 fc;
84f494ce CL	225	u16 type, cfc;
eee569e4	226	bool packet_matchbssid, packet_toself, packet_beacon = false;
84f494ce CL	227
	228	tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
	229
	230	hdr = (struct ieee80211_hdr *)tmp_buf;
	231	fc = hdr->frame_control;
	232	cfc = le16_to_cpu(fc);
	233	type = WLAN_FC_GET_TYPE(fc);
	234	praddr = hdr->addr1;
84f494ce CL	235
84f494ce CL	236	packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
2e42e474 JP	237	ether_addr_equal(mac->bssid,
	238	(cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
	239	(cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
	240	hdr->addr3) &&
	241	(!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
84f494ce CL	242
84f494ce CL	243	packet_toself = packet_matchbssid &&
2e42e474	244	ether_addr_equal(praddr, rtlefuse->dev_addr);
84f494ce CL	245
	246	if (ieee80211_is_beacon(fc))
	247	packet_beacon = true;
	248
	249	_rtl92se_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
	250	packet_matchbssid, packet_toself, packet_beacon);
2455c92c	251	rtl_process_phyinfo(hw, tmp_buf, pstats);
84f494ce CL	252	}
	253
	254	bool rtl92se_rx_query_desc(struct ieee80211_hw hw, struct rtl_stats stats,
	255	struct ieee80211_rx_status rx_status, u8 pdesc,
	256	struct sk_buff *skb)
	257	{
	258	struct rx_fwinfo *p_drvinfo;
	259	u32 phystatus = (u32)GET_RX_STATUS_DESC_PHY_STATUS(pdesc);
5c079d88 CL	260	struct ieee80211_hdr *hdr;
5c079d88 CL	261	bool first_ampdu = false;
84f494ce CL	262
	263	stats->length = (u16)GET_RX_STATUS_DESC_PKT_LEN(pdesc);
	264	stats->rx_drvinfo_size = (u8)GET_RX_STATUS_DESC_DRVINFO_SIZE(pdesc) * 8;
	265	stats->rx_bufshift = (u8)(GET_RX_STATUS_DESC_SHIFT(pdesc) & 0x03);
	266	stats->icv = (u16)GET_RX_STATUS_DESC_ICV(pdesc);
	267	stats->crc = (u16)GET_RX_STATUS_DESC_CRC32(pdesc);
	268	stats->hwerror = (u16)(stats->crc \| stats->icv);
	269	stats->decrypted = !GET_RX_STATUS_DESC_SWDEC(pdesc);
	270
	271	stats->rate = (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc);
	272	stats->shortpreamble = (u16)GET_RX_STATUS_DESC_SPLCP(pdesc);
	273	stats->isampdu = (bool)(GET_RX_STATUS_DESC_PAGGR(pdesc) == 1);
5c079d88 CL	274	stats->isfirst_ampdu = (bool) ((GET_RX_STATUS_DESC_PAGGR(pdesc) == 1)
5c079d88 CL	275	&& (GET_RX_STATUS_DESC_FAGGR(pdesc) == 1));
84f494ce CL	276	stats->timestamp_low = GET_RX_STATUS_DESC_TSFL(pdesc);
84f494ce CL	277	stats->rx_is40Mhzpacket = (bool)GET_RX_STATUS_DESC_BW(pdesc);
5c079d88 CL	278	stats->is_ht = (bool)GET_RX_STATUS_DESC_RX_HT(pdesc);
5c079d88 CL	279	stats->is_cck = SE_RX_HAL_IS_CCK_RATE(pdesc);
84f494ce CL	280
	281	if (stats->hwerror)
	282	return false;
	283
675a0b04 KB	284	rx_status->freq = hw->conf.chandef.chan->center_freq;
675a0b04 KB	285	rx_status->band = hw->conf.chandef.chan->band;
84f494ce	286
5c079d88 CL	287	if (stats->crc)
5c079d88 CL	288	rx_status->flag \|= RX_FLAG_FAILED_FCS_CRC;
84f494ce	289
5c079d88	290	if (stats->rx_is40Mhzpacket)
84f494ce CL	291	rx_status->flag \|= RX_FLAG_40MHZ;
84f494ce CL	292
5c079d88	293	if (stats->is_ht)
84f494ce CL	294	rx_status->flag \|= RX_FLAG_HT;
84f494ce CL	295
f4bda337	296	rx_status->flag \|= RX_FLAG_MACTIME_START;
84f494ce	297
5c079d88 CL	298	/* hw will set stats->decrypted true, if it finds the
	299	* frame is open data frame or mgmt frame,
	300	* hw will not decrypt robust managment frame
	301	* for IEEE80211w but still set stats->decrypted
	302	* true, so here we should set it back to undecrypted
	303	* for IEEE80211w frame, and mac80211 sw will help
	304	* to decrypt it */
	305	if (stats->decrypted) {
2455c92c LF	306	hdr = (struct ieee80211_hdr *)(skb->data +
	307	stats->rx_drvinfo_size + stats->rx_bufshift);
	308
	309	if (!hdr) {
	310	/* during testing, hdr was NULL here */
	311	return false;
	312	}
5c079d88 CL	313	if ((ieee80211_is_robust_mgmt_frame(hdr)) &&
	314	(ieee80211_has_protected(hdr->frame_control)))
	315	rx_status->flag &= ~RX_FLAG_DECRYPTED;
	316	else
	317	rx_status->flag \|= RX_FLAG_DECRYPTED;
	318	}
84f494ce	319
8e353377	320	rx_status->rate_idx = rtlwifi_rate_mapping(hw,
5c079d88	321	stats->is_ht, stats->rate, first_ampdu);
84f494ce	322
5c079d88	323	rx_status->mactime = stats->timestamp_low;
e10542c4	324	if (phystatus) {
84f494ce CL	325	p_drvinfo = (struct rx_fwinfo *)(skb->data +
	326	stats->rx_bufshift);
	327	_rtl92se_translate_rx_signal_stuff(hw, skb, stats, pdesc,
	328	p_drvinfo);
	329	}
	330
	331	/rx_status->qual = stats->signal; /
	332	rx_status->signal = stats->rssi + 10;
	333	/rx_status->noise = -stats->noise; /
	334
	335	return true;
	336	}
	337
	338	void rtl92se_tx_fill_desc(struct ieee80211_hw *hw,
	339	struct ieee80211_hdr hdr, u8 pdesc_tx,
36323f81 TH	340	struct ieee80211_tx_info *info,
	341	struct ieee80211_sta *sta,
	342	struct sk_buff *skb,
84f494ce CL	343	u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
	344	{
	345	struct rtl_priv *rtlpriv = rtl_priv(hw);
	346	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	347	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
	348	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2c208890	349	u8 *pdesc = pdesc_tx;
84f494ce CL	350	u16 seq_number;
	351	__le16 fc = hdr->frame_control;
	352	u8 reserved_macid = 0;
	353	u8 fw_qsel = _rtl92se_map_hwqueue_to_fwqueue(skb, hw_queue);
	354	bool firstseg = (!(hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)));
	355	bool lastseg = (!(hdr->frame_control &
	356	cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)));
	357	dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
	358	PCI_DMA_TODEVICE);
	359	u8 bw_40 = 0;
	360
f6aa93ad LF	361	if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
	362	RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
	363	"DMA mapping error");
	364	return;
	365	}
84f494ce CL	366	if (mac->opmode == NL80211_IFTYPE_STATION) {
	367	bw_40 = mac->bw_40;
	368	} else if (mac->opmode == NL80211_IFTYPE_AP \|\|
	369	mac->opmode == NL80211_IFTYPE_ADHOC) {
	370	if (sta)
e1a0c6b3	371	bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
84f494ce CL	372	}
	373
	374	seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
	375
	376	rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
	377
	378	CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE_RTL8192S);
	379
2455c92c LF	380	if (ieee80211_is_nullfunc(fc) \|\| ieee80211_is_ctl(fc)) {
	381	firstseg = true;
	382	lastseg = true;
	383	}
	384
84f494ce CL	385	if (firstseg) {
	386	if (rtlpriv->dm.useramask) {
	387	/* set txdesc macId */
	388	if (ptcb_desc->mac_id < 32) {
	389	SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
	390	reserved_macid \|= ptcb_desc->mac_id;
	391	}
	392	}
	393	SET_TX_DESC_RSVD_MACID(pdesc, reserved_macid);
	394
	395	SET_TX_DESC_TXHT(pdesc, ((ptcb_desc->hw_rate >=
8e353377	396	DESC92_RATEMCS0) ? 1 : 0));
84f494ce CL	397
84f494ce CL	398	if (rtlhal->version == VERSION_8192S_ACUT) {
8e353377 LF	399	if (ptcb_desc->hw_rate == DESC92_RATE1M \|\|
	400	ptcb_desc->hw_rate == DESC92_RATE2M \|\|
	401	ptcb_desc->hw_rate == DESC92_RATE5_5M \|\|
	402	ptcb_desc->hw_rate == DESC92_RATE11M) {
	403	ptcb_desc->hw_rate = DESC92_RATE12M;
84f494ce CL	404	}
	405	}
	406
	407	SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
	408
	409	if (ptcb_desc->use_shortgi \|\| ptcb_desc->use_shortpreamble)
	410	SET_TX_DESC_TX_SHORT(pdesc, 0);
	411
	412	/* Aggregation related */
	413	if (info->flags & IEEE80211_TX_CTL_AMPDU)
	414	SET_TX_DESC_AGG_ENABLE(pdesc, 1);
	415
	416	/* For AMPDU, we must insert SSN into TX_DESC */
	417	SET_TX_DESC_SEQ(pdesc, seq_number);
	418
	419	/* Protection mode related */
	420	/* For 92S, if RTS/CTS are set, HW will execute RTS. */
	421	/* We choose only one protection mode to execute */
	422	SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
	423	!ptcb_desc->cts_enable) ? 1 : 0));
	424	SET_TX_DESC_CTS_ENABLE(pdesc, ((ptcb_desc->cts_enable) ?
	425	1 : 0));
	426	SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
	427
	428	SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
	429	SET_TX_DESC_RTS_BANDWIDTH(pdesc, 0);
	430	SET_TX_DESC_RTS_SUB_CARRIER(pdesc, ptcb_desc->rts_sc);
	431	SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
8e353377	432	DESC92_RATE54M) ?
84f494ce CL	433	(ptcb_desc->rts_use_shortpreamble ? 1 : 0)
	434	: (ptcb_desc->rts_use_shortgi ? 1 : 0)));
	435
	436
	437	/* Set Bandwidth and sub-channel settings. */
	438	if (bw_40) {
	439	if (ptcb_desc->packet_bw) {
	440	SET_TX_DESC_TX_BANDWIDTH(pdesc, 1);
	441	/* use duplicated mode */
	442	SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
	443	} else {
	444	SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
	445	SET_TX_DESC_TX_SUB_CARRIER(pdesc,
	446	mac->cur_40_prime_sc);
	447	}
	448	} else {
	449	SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
	450	SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
	451	}
	452
	453	/* 3 Fill necessary field in First Descriptor */
	454	/DWORD 0/
	455	SET_TX_DESC_LINIP(pdesc, 0);
	456	SET_TX_DESC_OFFSET(pdesc, 32);
	457	SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
	458
	459	/DWORD 1/
	460	SET_TX_DESC_RA_BRSR_ID(pdesc, ptcb_desc->ratr_index);
	461
	462	/* Fill security related */
	463	if (info->control.hw_key) {
	464	struct ieee80211_key_conf *keyconf;
	465
	466	keyconf = info->control.hw_key;
	467	switch (keyconf->cipher) {
	468	case WLAN_CIPHER_SUITE_WEP40:
	469	case WLAN_CIPHER_SUITE_WEP104:
	470	SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
	471	break;
	472	case WLAN_CIPHER_SUITE_TKIP:
	473	SET_TX_DESC_SEC_TYPE(pdesc, 0x2);
	474	break;
	475	case WLAN_CIPHER_SUITE_CCMP:
	476	SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
	477	break;
	478	default:
	479	SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
	480	break;
	481
	482	}
	483	}
	484
	485	/* Set Packet ID */
	486	SET_TX_DESC_PACKET_ID(pdesc, 0);
	487
	488	/* We will assign magement queue to BK. */
	489	SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
	490
	491	/* Alwasy enable all rate fallback range */
	492	SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
	493
	494	/* Fix: I don't kown why hw use 6.5M to tx when set it */
	495	SET_TX_DESC_USER_RATE(pdesc,
	496	ptcb_desc->use_driver_rate ? 1 : 0);
497
498	/* Set NON_QOS bit. */
499	if (!ieee80211_is_data_qos(fc))
500	SET_TX_DESC_NON_QOS(pdesc, 1);
501
502	}
503
504	/* Fill fields that are required to be initialized
505	* in all of the descriptors */
506	/DWORD 0 /
507	SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
508	SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
509
510	/* DWORD 7 */
511	SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
512
513	/* DOWRD 8 */
8e2c406a	514	SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
84f494ce	515
f30d7507	516	RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
84f494ce CL	517	}
	518
	519	void rtl92se_tx_fill_cmddesc(struct ieee80211_hw hw, u8 pdesc,
	520	bool firstseg, bool lastseg, struct sk_buff *skb)
	521	{
f6aa93ad	522	struct rtl_priv *rtlpriv = rtl_priv(hw);
84f494ce CL	523	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
	524	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
	525	struct rtl_tcb_desc tcb_desc = (struct rtl_tcb_desc )(skb->cb);
	526
	527	dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
	528	PCI_DMA_TODEVICE);
	529
f6aa93ad LF	530	if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
	531	RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
	532	"DMA mapping error");
	533	return;
	534	}
	535	/* Clear all status */
84f494ce CL	536	CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S);
	537
	538	/* This bit indicate this packet is used for FW download. */
	539	if (tcb_desc->cmd_or_init == DESC_PACKET_TYPE_INIT) {
	540	/* For firmware downlaod we only need to set LINIP */
	541	SET_TX_DESC_LINIP(pdesc, tcb_desc->last_inipkt);
	542
	543	/* 92SE must set as 1 for firmware download HW DMA error */
	544	SET_TX_DESC_FIRST_SEG(pdesc, 1);
	545	SET_TX_DESC_LAST_SEG(pdesc, 1);
	546
	547	/* 92SE need not to set TX packet size when firmware download */
	548	SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
	549	SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
8e2c406a	550	SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
84f494ce	551
5111dd3e	552	wmb();
84f494ce CL	553	SET_TX_DESC_OWN(pdesc, 1);
	554	} else { /* H2C Command Desc format (Host TXCMD) */
	555	/* 92SE must set as 1 for firmware download HW DMA error */
	556	SET_TX_DESC_FIRST_SEG(pdesc, 1);
	557	SET_TX_DESC_LAST_SEG(pdesc, 1);
	558
	559	SET_TX_DESC_OFFSET(pdesc, 0x20);
	560
	561	/* Buffer size + command header */
	562	SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
	563	/* Fixed queue of H2C command */
	564	SET_TX_DESC_QUEUE_SEL(pdesc, 0x13);
	565
	566	SET_BITS_TO_LE_4BYTE(skb->data, 24, 7, rtlhal->h2c_txcmd_seq);
	567
	568	SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
8e2c406a	569	SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
84f494ce	570
5111dd3e	571	wmb();
84f494ce CL	572	SET_TX_DESC_OWN(pdesc, 1);
	573
	574	}
	575	}
	576
	577	void rtl92se_set_desc(u8 pdesc, bool istx, u8 desc_name, u8 val)
	578	{
e10542c4	579	if (istx) {
84f494ce CL	580	switch (desc_name) {
84f494ce CL	581	case HW_DESC_OWN:
5111dd3e	582	wmb();
84f494ce CL	583	SET_TX_DESC_OWN(pdesc, 1);
	584	break;
	585	case HW_DESC_TX_NEXTDESC_ADDR:
	586	SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, (u32 ) val);
	587	break;
	588	default:
9d833ed7 JP	589	RT_ASSERT(false, "ERR txdesc :%d not process\n",
9d833ed7 JP	590	desc_name);
84f494ce CL	591	break;
	592	}
	593	} else {
	594	switch (desc_name) {
	595	case HW_DESC_RXOWN:
5111dd3e	596	wmb();
84f494ce CL	597	SET_RX_STATUS_DESC_OWN(pdesc, 1);
	598	break;
	599	case HW_DESC_RXBUFF_ADDR:
	600	SET_RX_STATUS__DESC_BUFF_ADDR(pdesc, (u32 ) val);
	601	break;
	602	case HW_DESC_RXPKT_LEN:
	603	SET_RX_STATUS_DESC_PKT_LEN(pdesc, (u32 ) val);
	604	break;
	605	case HW_DESC_RXERO:
	606	SET_RX_STATUS_DESC_EOR(pdesc, 1);
	607	break;
	608	default:
9d833ed7 JP	609	RT_ASSERT(false, "ERR rxdesc :%d not process\n",
9d833ed7 JP	610	desc_name);
84f494ce CL	611	break;
	612	}
	613	}
	614	}
	615
	616	u32 rtl92se_get_desc(u8 *desc, bool istx, u8 desc_name)
	617	{
	618	u32 ret = 0;
	619
e10542c4	620	if (istx) {
84f494ce CL	621	switch (desc_name) {
	622	case HW_DESC_OWN:
	623	ret = GET_TX_DESC_OWN(desc);
	624	break;
	625	case HW_DESC_TXBUFF_ADDR:
	626	ret = GET_TX_DESC_TX_BUFFER_ADDRESS(desc);
	627	break;
	628	default:
9d833ed7 JP	629	RT_ASSERT(false, "ERR txdesc :%d not process\n",
9d833ed7 JP	630	desc_name);
84f494ce CL	631	break;
	632	}
	633	} else {
	634	switch (desc_name) {
	635	case HW_DESC_OWN:
	636	ret = GET_RX_STATUS_DESC_OWN(desc);
	637	break;
	638	case HW_DESC_RXPKT_LEN:
	639	ret = GET_RX_STATUS_DESC_PKT_LEN(desc);
	640	break;
	641	default:
9d833ed7 JP	642	RT_ASSERT(false, "ERR rxdesc :%d not process\n",
9d833ed7 JP	643	desc_name);
84f494ce CL	644	break;
	645	}
	646	}
	647	return ret;
	648	}
	649
	650	void rtl92se_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
	651	{
	652	struct rtl_priv *rtlpriv = rtl_priv(hw);
	653	rtl_write_word(rtlpriv, TP_POLL, BIT(0) << (hw_queue));
	654	}