/******************************************************************************
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*
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* Copyright(c) 2007 - 2017 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in the
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* file called LICENSE.
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*
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* Contact Information:
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* wlanfae <wlanfae@realtek.com>
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* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
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* Hsinchu 300, Taiwan.
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*
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* Larry Finger <Larry.Finger@lwfinger.net>
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*
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*****************************************************************************/
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/*@************************************************************
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* include files
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************************************************************/
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#include "mp_precomp.h"
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#include "phydm_precomp.h"
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#ifdef PHYDM_CCK_RX_PATHDIV_SUPPORT /* @PHYDM-342*/
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void phydm_cck_rx_pathdiv_manaul(void *dm_void, boolean en_cck_rx_pathdiv)
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{
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struct dm_struct *dm = (struct dm_struct *)dm_void;
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/* @Can not apply for 98F/14B/97G from DD YC*/
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if (en_cck_rx_pathdiv) {
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odm_set_bb_reg(dm, R_0x1a14, BIT(7), 0x0);
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odm_set_bb_reg(dm, R_0x1a74, BIT(8), 0x1);
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} else {
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odm_set_bb_reg(dm, R_0x1a14, BIT(7), 0x1);
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odm_set_bb_reg(dm, R_0x1a74, BIT(8), 0x0);
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}
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}
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void phydm_cck_rx_pathdiv_watchdog(void *dm_void)
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{
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struct dm_struct *dm = (struct dm_struct *)dm_void;
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struct phydm_cck_rx_pathdiv *cckrx_t = &dm->dm_cck_rx_pathdiv_table;
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struct phydm_fa_struct *fa_t = &dm->false_alm_cnt;
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u8 rssi_th = 0;
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u32 rssi_a = 0, rssi_b = 0, rssi_avg = 0;
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if (!cckrx_t->en_cck_rx_pathdiv)
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return;
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rssi_a = PHYDM_DIV(cckrx_t->path_a_sum, cckrx_t->path_a_cnt);
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rssi_b = PHYDM_DIV(cckrx_t->path_b_sum, cckrx_t->path_b_cnt);
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rssi_avg = (rssi_a + rssi_b) >> 1;
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pr_debug("Rx-A:%d, Rx-B:%d, avg:%d\n", rssi_a, rssi_b, rssi_avg);
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cckrx_t->path_a_cnt = 0;
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cckrx_t->path_a_sum = 0;
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cckrx_t->path_b_cnt = 0;
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cckrx_t->path_b_sum = 0;
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if (fa_t->cnt_all >= 100)
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rssi_th = cckrx_t->rssi_fa_th;
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else
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rssi_th = cckrx_t->rssi_th;
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if (dm->phy_dbg_info.num_qry_beacon_pkt > 14 && rssi_avg <= rssi_th)
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phydm_cck_rx_pathdiv_manaul(dm, true);
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else
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phydm_cck_rx_pathdiv_manaul(dm, false);
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}
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void phydm_cck_rx_pathdiv_init(void *dm_void)
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{
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struct dm_struct *dm = (struct dm_struct *)dm_void;
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struct phydm_cck_rx_pathdiv *cckrx_t = &dm->dm_cck_rx_pathdiv_table;
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cckrx_t->en_cck_rx_pathdiv = false;
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cckrx_t->path_a_cnt = 0;
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cckrx_t->path_a_sum = 0;
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cckrx_t->path_b_cnt = 0;
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cckrx_t->path_b_sum = 0;
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cckrx_t->rssi_fa_th = 45;
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cckrx_t->rssi_th = 25;
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}
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void phydm_process_rssi_for_cck_rx_pathdiv(void *dm_void, void *phy_info_void,
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void *pkt_info_void)
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{
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struct dm_struct *dm = (struct dm_struct *)dm_void;
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struct phydm_phyinfo_struct *phy_info = NULL;
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struct phydm_perpkt_info_struct *pktinfo = NULL;
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struct phydm_cck_rx_pathdiv *cckrx_t = &dm->dm_cck_rx_pathdiv_table;
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phy_info = (struct phydm_phyinfo_struct *)phy_info_void;
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pktinfo = (struct phydm_perpkt_info_struct *)pkt_info_void;
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if (!(pktinfo->is_packet_to_self || pktinfo->is_packet_match_bssid))
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return;
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if (pktinfo->is_cck_rate)
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return;
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cckrx_t->path_a_sum += phy_info->rx_mimo_signal_strength[0];
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cckrx_t->path_a_cnt++;
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cckrx_t->path_b_sum += phy_info->rx_mimo_signal_strength[1];
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cckrx_t->path_b_cnt++;
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}
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void phydm_cck_rx_pathdiv_dbg(void *dm_void, char input[][16], u32 *_used,
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char *output, u32 *_out_len)
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{
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struct dm_struct *dm = (struct dm_struct *)dm_void;
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struct phydm_cck_rx_pathdiv *cckrx_t = &dm->dm_cck_rx_pathdiv_table;
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char help[] = "-h";
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u32 var1[10] = {0};
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u32 used = *_used;
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u32 out_len = *_out_len;
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u8 i = 0;
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if (!(dm->support_ic_type & ODM_RTL8822C))
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return;
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for (i = 0; i < 3; i++) {
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PHYDM_SSCANF(input[i + 1], DCMD_DECIMAL, &var1[i]);
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}
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if ((strcmp(input[1], help) == 0)) {
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PDM_SNPF(out_len, used, output + used, out_len - used,
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"CCK rx pathdiv manual on: {1} {En}\n");
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PDM_SNPF(out_len, used, output + used, out_len - used,
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"CCK rx pathdiv watchdog on: {2} {En}\n");
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PDM_SNPF(out_len, used, output + used, out_len - used,
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"CCK rx pathdiv rssi_th : {3} {th} {fa_th}\n");
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} else if (var1[0] == 1) {
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if (var1[1] == 1)
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phydm_cck_rx_pathdiv_manaul(dm, true);
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else
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phydm_cck_rx_pathdiv_manaul(dm, false);
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} else if (var1[0] == 2) {
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if (var1[1] == 1) {
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cckrx_t->en_cck_rx_pathdiv = true;
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} else {
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cckrx_t->en_cck_rx_pathdiv = false;
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phydm_cck_rx_pathdiv_manaul(dm, false);
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}
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} else if (var1[0] == 3) {
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cckrx_t->rssi_th = (u8)var1[1];
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cckrx_t->rssi_fa_th = (u8)var1[2];
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}
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*_used = used;
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*_out_len = out_len;
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}
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#endif
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