// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2009-2012  Realtek Corporation.*/

#include "../wifi.h"
#include "../pci.h"
#include "../usb.h"
#include "../ps.h"
#include "../cam.h"
#include "../stats.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
#include "rf.h"
#include "dm.h"
#include "mac.h"
#include "trx.h"
#include "../rtl8192c/fw_common.h"

#include <linux/module.h>

/* macro to shorten lines */

#define LINK_Q  ui_link_quality
#define RX_EVM  rx_evm_percentage
#define RX_SIGQ rx_mimo_sig_qual

void rtl92c_read_chip_version(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_phy *rtlphy = &(rtlpriv->phy);
        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
        enum version_8192c chip_version = VERSION_UNKNOWN;
        const char *versionid;
        u32 value32;

        value32 = rtl_read_dword(rtlpriv, REG_SYS_CFG);
        if (value32 & TRP_VAUX_EN) {
                chip_version = (value32 & TYPE_ID) ? VERSION_TEST_CHIP_92C :
                               VERSION_TEST_CHIP_88C;
        } else {
                /* Normal mass production chip. */
                chip_version = NORMAL_CHIP;
                chip_version |= ((value32 & TYPE_ID) ? CHIP_92C : 0);
                chip_version |= ((value32 & VENDOR_ID) ? CHIP_VENDOR_UMC : 0);
                if (IS_VENDOR_UMC(chip_version))
                        chip_version |= ((value32 & CHIP_VER_RTL_MASK) ?
                                         CHIP_VENDOR_UMC_B_CUT : 0);
                if (IS_92C_SERIAL(chip_version)) {
                        value32 = rtl_read_dword(rtlpriv, REG_HPON_FSM);
                        chip_version |= ((CHIP_BONDING_IDENTIFIER(value32) ==
                                 CHIP_BONDING_92C_1T2R) ? CHIP_92C_1T2R : 0);
                }
        }
        rtlhal->version  = (enum version_8192c)chip_version;
        pr_info("Chip version 0x%x\n", chip_version);
        switch (rtlhal->version) {
        case VERSION_NORMAL_TSMC_CHIP_92C_1T2R:
                versionid = "NORMAL_B_CHIP_92C";
                break;
        case VERSION_NORMAL_TSMC_CHIP_92C:
                versionid = "NORMAL_TSMC_CHIP_92C";
                break;
        case VERSION_NORMAL_TSMC_CHIP_88C:
                versionid = "NORMAL_TSMC_CHIP_88C";
                break;
        case VERSION_NORMAL_UMC_CHIP_92C_1T2R_A_CUT:
                versionid = "NORMAL_UMC_CHIP_i92C_1T2R_A_CUT";
                break;
        case VERSION_NORMAL_UMC_CHIP_92C_A_CUT:
                versionid = "NORMAL_UMC_CHIP_92C_A_CUT";
                break;
        case VERSION_NORMAL_UMC_CHIP_88C_A_CUT:
                versionid = "NORMAL_UMC_CHIP_88C_A_CUT";
                break;
        case VERSION_NORMAL_UMC_CHIP_92C_1T2R_B_CUT:
                versionid = "NORMAL_UMC_CHIP_92C_1T2R_B_CUT";
                break;
        case VERSION_NORMAL_UMC_CHIP_92C_B_CUT:
                versionid = "NORMAL_UMC_CHIP_92C_B_CUT";
                break;
        case VERSION_NORMAL_UMC_CHIP_88C_B_CUT:
                versionid = "NORMAL_UMC_CHIP_88C_B_CUT";
                break;
        case VERSION_TEST_CHIP_92C:
                versionid = "TEST_CHIP_92C";
                break;
        case VERSION_TEST_CHIP_88C:
                versionid = "TEST_CHIP_88C";
                break;
        default:
                versionid = "UNKNOWN";
                break;
        }
        rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
                "Chip Version ID: %s\n", versionid);

        if (IS_92C_SERIAL(rtlhal->version))
                rtlphy->rf_type =
                         (IS_92C_1T2R(rtlhal->version)) ? RF_1T2R : RF_2T2R;
        else
                rtlphy->rf_type = RF_1T1R;
        rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
                "Chip RF Type: %s\n",
                rtlphy->rf_type == RF_2T2R ? "RF_2T2R" :
                rtlphy->rf_type == RF_1T2R ? "RF_1T2R" : "RF_1T1R");
        if (get_rf_type(rtlphy) == RF_1T1R)
                rtlpriv->dm.rfpath_rxenable[0] = true;
        else
                rtlpriv->dm.rfpath_rxenable[0] =
                    rtlpriv->dm.rfpath_rxenable[1] = true;
        rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "VersionID = 0x%4x\n",
                rtlhal->version);
}

/**
 * rtl92c_llt_write - LLT table write access
 * @hw: Pointer to the ieee80211_hw structure.
 * @address: LLT logical address.
 * @data: LLT data content
 *
 * Realtek hardware access function.
 *
 */
bool rtl92c_llt_write(struct ieee80211_hw *hw, u32 address, u32 data)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        bool status = true;
        long count = 0;
        u32 value = _LLT_INIT_ADDR(address) |
            _LLT_INIT_DATA(data) | _LLT_OP(_LLT_WRITE_ACCESS);

        rtl_write_dword(rtlpriv, REG_LLT_INIT, value);
        do {
                value = rtl_read_dword(rtlpriv, REG_LLT_INIT);
                if (_LLT_NO_ACTIVE == _LLT_OP_VALUE(value))
                        break;
                if (count > POLLING_LLT_THRESHOLD) {
                        pr_err("Failed to polling write LLT done at address %d! _LLT_OP_VALUE(%x)\n",
                               address, _LLT_OP_VALUE(value));
                        status = false;
                        break;
                }
        } while (++count);
        return status;
}

/**
 * rtl92c_init_llt_table - Init LLT table
 * @hw: Pointer to the ieee80211_hw structure.
 * @boundary: Page boundary.
 *
 * Realtek hardware access function.
 */
bool rtl92c_init_llt_table(struct ieee80211_hw *hw, u32 boundary)
{
        bool rst = true;
        u32     i;

        for (i = 0; i < (boundary - 1); i++) {
                rst = rtl92c_llt_write(hw, i , i + 1);
                if (!rst) {
                        pr_err("===> %s #1 fail\n", __func__);
                        return rst;
                }
        }
        /* end of list */
        rst = rtl92c_llt_write(hw, (boundary - 1), 0xFF);
        if (!rst) {
                pr_err("===> %s #2 fail\n", __func__);
                return rst;
        }
        /* Make the other pages as ring buffer
         * This ring buffer is used as beacon buffer if we config this MAC
         *  as two MAC transfer.
         * Otherwise used as local loopback buffer.
         */
        for (i = boundary; i < LLT_LAST_ENTRY_OF_TX_PKT_BUFFER; i++) {
                rst = rtl92c_llt_write(hw, i, (i + 1));
                if (!rst) {
                        pr_err("===> %s #3 fail\n", __func__);
                        return rst;
                }
        }
        /* Let last entry point to the start entry of ring buffer */
        rst = rtl92c_llt_write(hw, LLT_LAST_ENTRY_OF_TX_PKT_BUFFER, boundary);
        if (!rst) {
                pr_err("===> %s #4 fail\n", __func__);
                return rst;
        }
        return rst;
}

void rtl92c_set_key(struct ieee80211_hw *hw, u32 key_index,
                     u8 *p_macaddr, bool is_group, u8 enc_algo,
                     bool is_wepkey, bool clear_all)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
        u8 *macaddr = p_macaddr;
        u32 entry_id = 0;
        bool is_pairwise = false;
        static u8 cam_const_addr[4][6] = {
                {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
                {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
                {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
                {0x00, 0x00, 0x00, 0x00, 0x00, 0x03}
        };
        static u8 cam_const_broad[] = {
                0xff, 0xff, 0xff, 0xff, 0xff, 0xff
        };

        if (clear_all) {
                u8 idx = 0;
                u8 cam_offset = 0;
                u8 clear_number = 5;

                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "clear_all\n");
                for (idx = 0; idx < clear_number; idx++) {
                        rtl_cam_mark_invalid(hw, cam_offset + idx);
                        rtl_cam_empty_entry(hw, cam_offset + idx);
                        if (idx < 5) {
                                memset(rtlpriv->sec.key_buf[idx], 0,
                                       MAX_KEY_LEN);
                                rtlpriv->sec.key_len[idx] = 0;
                        }
                }
        } else {
                switch (enc_algo) {
                case WEP40_ENCRYPTION:
                        enc_algo = CAM_WEP40;
                        break;
                case WEP104_ENCRYPTION:
                        enc_algo = CAM_WEP104;
                        break;
                case TKIP_ENCRYPTION:
                        enc_algo = CAM_TKIP;
                        break;
                case AESCCMP_ENCRYPTION:
                        enc_algo = CAM_AES;
                        break;
                default:
                        pr_err("illegal switch case\n");
                        enc_algo = CAM_TKIP;
                        break;
                }
                if (is_wepkey || rtlpriv->sec.use_defaultkey) {
                        macaddr = cam_const_addr[key_index];
                        entry_id = key_index;
                } else {
                        if (is_group) {
                                macaddr = cam_const_broad;
                                entry_id = key_index;
                        } else {
                                if (mac->opmode == NL80211_IFTYPE_AP ||
                                    mac->opmode == NL80211_IFTYPE_MESH_POINT) {
                                        entry_id = rtl_cam_get_free_entry(hw,
                                                                 p_macaddr);
                                        if (entry_id >=  TOTAL_CAM_ENTRY) {
                                                pr_err("Can not find free hw security cam entry\n");
                                                return;
                                        }
                                } else {
                                        entry_id = CAM_PAIRWISE_KEY_POSITION;
                                }

                                key_index = PAIRWISE_KEYIDX;
                                is_pairwise = true;
                        }
                }
                if (rtlpriv->sec.key_len[key_index] == 0) {
                        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
                                "delete one entry\n");
                        if (mac->opmode == NL80211_IFTYPE_AP ||
                            mac->opmode == NL80211_IFTYPE_MESH_POINT)
                                rtl_cam_del_entry(hw, p_macaddr);
                        rtl_cam_delete_one_entry(hw, p_macaddr, entry_id);
                } else {
                        rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD,
                                "The insert KEY length is %d\n",
                                 rtlpriv->sec.key_len[PAIRWISE_KEYIDX]);
                        rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD,
                                "The insert KEY is %x %x\n",
                                rtlpriv->sec.key_buf[0][0],
                                rtlpriv->sec.key_buf[0][1]);
                        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
                                "add one entry\n");
                        if (is_pairwise) {
                                RT_PRINT_DATA(rtlpriv, COMP_SEC, DBG_LOUD,
                                              "Pairwise Key content",
                                              rtlpriv->sec.pairwise_key,
                                              rtlpriv->sec.
                                              key_len[PAIRWISE_KEYIDX]);
                                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
                                        "set Pairwise key\n");

                                rtl_cam_add_one_entry(hw, macaddr, key_index,
                                                entry_id, enc_algo,
                                                CAM_CONFIG_NO_USEDK,
                                                rtlpriv->sec.
                                                key_buf[key_index]);
                        } else {
                                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
                                        "set group key\n");
                                if (mac->opmode == NL80211_IFTYPE_ADHOC) {
                                        rtl_cam_add_one_entry(hw,
                                                rtlefuse->dev_addr,
                                                PAIRWISE_KEYIDX,
                                                CAM_PAIRWISE_KEY_POSITION,
                                                enc_algo,
                                                CAM_CONFIG_NO_USEDK,
                                                rtlpriv->sec.key_buf
                                                [entry_id]);
                                }
                                rtl_cam_add_one_entry(hw, macaddr, key_index,
                                                entry_id, enc_algo,
                                                CAM_CONFIG_NO_USEDK,
                                                rtlpriv->sec.key_buf[entry_id]);
                        }
                }
        }
}

u32 rtl92c_get_txdma_status(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        return rtl_read_dword(rtlpriv, REG_TXDMA_STATUS);
}

void rtl92c_enable_interrupt(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
        struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));

        if (IS_HARDWARE_TYPE_8192CE(rtlpriv)) {
                rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] &
                                0xFFFFFFFF);
                rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] &
                                0xFFFFFFFF);
        } else {
                rtl_write_dword(rtlpriv, REG_HIMR, rtlusb->irq_mask[0] &
                                0xFFFFFFFF);
                rtl_write_dword(rtlpriv, REG_HIMRE, rtlusb->irq_mask[1] &
                                0xFFFFFFFF);
        }
}

void rtl92c_init_interrupt(struct ieee80211_hw *hw)
{
         rtl92c_enable_interrupt(hw);
}

void rtl92c_disable_interrupt(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        rtl_write_dword(rtlpriv, REG_HIMR, IMR8190_DISABLED);
        rtl_write_dword(rtlpriv, REG_HIMRE, IMR8190_DISABLED);
}

void rtl92c_set_qos(struct ieee80211_hw *hw, int aci)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        rtl92c_dm_init_edca_turbo(hw);
        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM, (u8 *)&aci);
}

void rtl92c_init_driver_info_size(struct ieee80211_hw *hw, u8 size)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        rtl_write_byte(rtlpriv, REG_RX_DRVINFO_SZ, size);
}

int rtl92c_set_network_type(struct ieee80211_hw *hw, enum nl80211_iftype type)
{
        u8 value;
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        switch (type) {
        case NL80211_IFTYPE_UNSPECIFIED:
                value = NT_NO_LINK;
                rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
                        "Set Network type to NO LINK!\n");
                break;
        case NL80211_IFTYPE_ADHOC:
                value = NT_LINK_AD_HOC;
                rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
                        "Set Network type to Ad Hoc!\n");
                break;
        case NL80211_IFTYPE_STATION:
                value = NT_LINK_AP;
                rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
                        "Set Network type to STA!\n");
                break;
        case NL80211_IFTYPE_AP:
                value = NT_AS_AP;
                rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
                        "Set Network type to AP!\n");
                break;
        default:
                rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
                        "Network type %d not supported!\n", type);
                return -EOPNOTSUPP;
        }
        rtl_write_byte(rtlpriv, MSR, value);
        return 0;
}

void rtl92c_init_network_type(struct ieee80211_hw *hw)
{
        rtl92c_set_network_type(hw, NL80211_IFTYPE_UNSPECIFIED);
}

void rtl92c_init_adaptive_ctrl(struct ieee80211_hw *hw)
{
        u16     value16;
        u32     value32;
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        /* Response Rate Set */
        value32 = rtl_read_dword(rtlpriv, REG_RRSR);
        value32 &= ~RATE_BITMAP_ALL;
        value32 |= RATE_RRSR_CCK_ONLY_1M;
        rtl_write_dword(rtlpriv, REG_RRSR, value32);
        /* SIFS (used in NAV) */
        value16 = _SPEC_SIFS_CCK(0x10) | _SPEC_SIFS_OFDM(0x10);
        rtl_write_word(rtlpriv,  REG_SPEC_SIFS, value16);
        /* Retry Limit */
        value16 = _LRL(0x30) | _SRL(0x30);
        rtl_write_dword(rtlpriv,  REG_RL, value16);
}

void rtl92c_init_rate_fallback(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        /* Set Data Auto Rate Fallback Retry Count register. */
        rtl_write_dword(rtlpriv,  REG_DARFRC, 0x00000000);
        rtl_write_dword(rtlpriv,  REG_DARFRC+4, 0x10080404);
        rtl_write_dword(rtlpriv,  REG_RARFRC, 0x04030201);
        rtl_write_dword(rtlpriv,  REG_RARFRC+4, 0x08070605);
}

static void rtl92c_set_cck_sifs(struct ieee80211_hw *hw, u8 trx_sifs,
                                u8 ctx_sifs)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        rtl_write_byte(rtlpriv, REG_SIFS_CCK, trx_sifs);
        rtl_write_byte(rtlpriv, (REG_SIFS_CCK + 1), ctx_sifs);
}

static void rtl92c_set_ofdm_sifs(struct ieee80211_hw *hw, u8 trx_sifs,
                                 u8 ctx_sifs)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        rtl_write_byte(rtlpriv, REG_SIFS_OFDM, trx_sifs);
        rtl_write_byte(rtlpriv, (REG_SIFS_OFDM + 1), ctx_sifs);
}

void rtl92c_init_edca_param(struct ieee80211_hw *hw,
                            u16 queue, u16 txop, u8 cw_min, u8 cw_max, u8 aifs)
{
        /* sequence: VO, VI, BE, BK ==> the same as 92C hardware design.
         * referenc : enum nl80211_txq_q or ieee80211_set_wmm_default function.
         */
        u32 value;
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        value = (u32)aifs;
        value |= ((u32)cw_min & 0xF) << 8;
        value |= ((u32)cw_max & 0xF) << 12;
        value |= (u32)txop << 16;
        /* 92C hardware register sequence is the same as queue number. */
        rtl_write_dword(rtlpriv, (REG_EDCA_VO_PARAM + (queue * 4)), value);
}

void rtl92c_init_edca(struct ieee80211_hw *hw)
{
        u16 value16;
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        /* disable EDCCA count down, to reduce collison and retry */
        value16 = rtl_read_word(rtlpriv, REG_RD_CTRL);
        value16 |= DIS_EDCA_CNT_DWN;
        rtl_write_word(rtlpriv, REG_RD_CTRL, value16);
        /* Update SIFS timing.  ??????????
         * pHalData->SifsTime = 0x0e0e0a0a; */
        rtl92c_set_cck_sifs(hw, 0xa, 0xa);
        rtl92c_set_ofdm_sifs(hw, 0xe, 0xe);
        /* Set CCK/OFDM SIFS to be 10us. */
        rtl_write_word(rtlpriv, REG_SIFS_CCK, 0x0a0a);
        rtl_write_word(rtlpriv, REG_SIFS_OFDM, 0x1010);
        rtl_write_word(rtlpriv, REG_PROT_MODE_CTRL, 0x0204);
        rtl_write_dword(rtlpriv, REG_BAR_MODE_CTRL, 0x014004);
        /* TXOP */
        rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, 0x005EA42B);
        rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, 0x0000A44F);
        rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, 0x005EA324);
        rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, 0x002FA226);
        /* PIFS */
        rtl_write_byte(rtlpriv, REG_PIFS, 0x1C);
        /* AGGR BREAK TIME Register */
        rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16);
        rtl_write_word(rtlpriv, REG_NAV_PROT_LEN, 0x0040);
        rtl_write_byte(rtlpriv, REG_BCNDMATIM, 0x02);
        rtl_write_byte(rtlpriv, REG_ATIMWND, 0x02);
}

void rtl92c_init_ampdu_aggregation(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        rtl_write_dword(rtlpriv, REG_AGGLEN_LMT, 0x99997631);
        rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16);
        /* init AMPDU aggregation number, tuning for Tx's TP, */
        rtl_write_word(rtlpriv, 0x4CA, 0x0708);
}

void rtl92c_init_beacon_max_error(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        rtl_write_byte(rtlpriv, REG_BCN_MAX_ERR, 0xFF);
}

void rtl92c_init_rdg_setting(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        rtl_write_byte(rtlpriv, REG_RD_CTRL, 0xFF);
        rtl_write_word(rtlpriv, REG_RD_NAV_NXT, 0x200);
        rtl_write_byte(rtlpriv, REG_RD_RESP_PKT_TH, 0x05);
}

void rtl92c_init_retry_function(struct ieee80211_hw *hw)
{
        u8      value8;
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        value8 = rtl_read_byte(rtlpriv, REG_FWHW_TXQ_CTRL);
        value8 |= EN_AMPDU_RTY_NEW;
        rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL, value8);
        /* Set ACK timeout */
        rtl_write_byte(rtlpriv, REG_ACKTO, 0x40);
}

void rtl92c_disable_fast_edca(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        rtl_write_word(rtlpriv, REG_FAST_EDCA_CTRL, 0);
}

void rtl92c_set_min_space(struct ieee80211_hw *hw, bool is2T)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u8 value = is2T ? MAX_MSS_DENSITY_2T : MAX_MSS_DENSITY_1T;

        rtl_write_byte(rtlpriv, REG_AMPDU_MIN_SPACE, value);
}

/*==============================================================*/

static void _rtl92c_query_rxphystatus(struct ieee80211_hw *hw,
                                      struct rtl_stats *pstats,
                                      struct rx_desc_92c *p_desc,
                                      struct rx_fwinfo_92c *p_drvinfo,
                                      bool packet_match_bssid,
                                      bool packet_toself,
                                      bool packet_beacon)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_phy *rtlphy = &(rtlpriv->phy);
        struct phy_sts_cck_8192s_t *cck_buf;
        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 in_powersavemode = false;
        bool is_cck_rate;
        __le32 *pdesc = (__le32 *)p_desc;

        is_cck_rate = RX_HAL_IS_CCK_RATE(p_desc->rxmcs);
        pstats->packet_matchbssid = packet_match_bssid;
        pstats->packet_toself = packet_toself;
        pstats->packet_beacon = packet_beacon;
        pstats->is_cck = is_cck_rate;
        pstats->RX_SIGQ[0] = -1;
        pstats->RX_SIGQ[1] = -1;
        if (is_cck_rate) {
                u8 report, cck_highpwr;

                cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
                if (!in_powersavemode)
                        cck_highpwr = rtlphy->cck_high_power;
                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 = -46 - (cck_agc_rpt & 0x3e);
                                break;
                        case 0x2:
                                rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
                                break;
                        case 0x1:
                                rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
                                break;
                        case 0x0:
                                rx_pwr_all = 16 - (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 = -46 - ((cck_agc_rpt & 0x1f) << 1);
                                break;
                        case 0x2:
                                rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
                                break;
                        case 0x1:
                                rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
                                break;
                        case 0x0:
                                rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
                                break;
                        }
                }
                pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
                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_SIGQ[0] = sq;
                        pstats->RX_SIGQ[1] = -1;
                }
        } else {
                rtlpriv->dm.rfpath_rxenable[0] =
                    rtlpriv->dm.rfpath_rxenable[1] = true;
                for (i = RF90_PATH_A; i < RF90_PATH_MAX; 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 (get_rx_desc_rx_mcs(pdesc) &&
                    get_rx_desc_rx_mcs(pdesc) >= DESC_RATEMCS8 &&
                    get_rx_desc_rx_mcs(pdesc) <= DESC_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_SIGQ[i] =
                                    (u8) (evm & 0xff);
                        }
                }
        }
        if (is_cck_rate)
                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));
}

void rtl92c_translate_rx_signal_stuff(struct ieee80211_hw *hw,
                                               struct sk_buff *skb,
                                               struct rtl_stats *pstats,
                                               struct rx_desc_92c *pdesc,
                                               struct rx_fwinfo_92c *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, cpu_fc;
        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;
        cpu_fc = le16_to_cpu(fc);
        type = WLAN_FC_GET_TYPE(fc);
        praddr = hdr->addr1;
        packet_matchbssid =
            ((IEEE80211_FTYPE_CTL != type) &&
             ether_addr_equal(mac->bssid,
                              (cpu_fc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
                              (cpu_fc & 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;
        _rtl92c_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
                                   packet_matchbssid, packet_toself,
                                   packet_beacon);
        rtl_process_phyinfo(hw, tmp_buf, pstats);
}