RinCat/RTL88x2BU-Linux-Driver
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RTL88x2BU-Linux-Driver/hal/phydm/phydm_cfotracking.c

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/******************************************************************************
*
* Copyright(c) 2007 - 2017 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.
*
* 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 "mp_precomp.h"
#include "phydm_precomp.h"
void
phydm_set_crystal_cap(
void *dm_void,
u8 crystal_cap
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct phydm_cfo_track_struct *cfo_track = (struct phydm_cfo_track_struct *)phydm_get_structure(dm, PHYDM_CFOTRACK);
if (cfo_track->crystal_cap == crystal_cap)
return;
crystal_cap = crystal_cap & 0x3F;
cfo_track->crystal_cap = crystal_cap;
if (dm->support_ic_type & (ODM_RTL8188E | ODM_RTL8188F)) {
#if (RTL8188E_SUPPORT == 1) || (RTL8188F_SUPPORT == 1)
/* write 0x24[22:17] = 0x24[16:11] = crystal_cap */
odm_set_bb_reg(dm, REG_AFE_XTAL_CTRL, 0x007ff800, (crystal_cap | (crystal_cap << 6)));
#endif
}
#if (RTL8812A_SUPPORT == 1)
else if (dm->support_ic_type & ODM_RTL8812) {
/* write 0x2C[30:25] = 0x2C[24:19] = crystal_cap */
odm_set_bb_reg(dm, REG_MAC_PHY_CTRL, 0x7FF80000, (crystal_cap | (crystal_cap << 6)));
}
#endif
#if (RTL8703B_SUPPORT == 1) || (RTL8723B_SUPPORT == 1) || (RTL8192E_SUPPORT == 1) || (RTL8821A_SUPPORT == 1) || (RTL8723D_SUPPORT == 1)
else if ((dm->support_ic_type & (ODM_RTL8703B | ODM_RTL8723B | ODM_RTL8192E | ODM_RTL8821 | ODM_RTL8723D))) {
/* 0x2C[23:18] = 0x2C[17:12] = crystal_cap */
odm_set_bb_reg(dm, REG_MAC_PHY_CTRL, 0x00FFF000, (crystal_cap | (crystal_cap << 6)));
}
#endif
#if (RTL8814A_SUPPORT == 1)
else if (dm->support_ic_type & ODM_RTL8814A) {
/* write 0x2C[26:21] = 0x2C[20:15] = crystal_cap */
odm_set_bb_reg(dm, REG_MAC_PHY_CTRL, 0x07FF8000, (crystal_cap | (crystal_cap << 6)));
}
#endif
#if (RTL8822B_SUPPORT == 1) || (RTL8821C_SUPPORT == 1) || (RTL8197F_SUPPORT == 1)
else if (dm->support_ic_type & (ODM_RTL8822B | ODM_RTL8821C | ODM_RTL8197F)) {
/* write 0x24[30:25] = 0x28[6:1] = crystal_cap */
odm_set_bb_reg(dm, REG_AFE_XTAL_CTRL, 0x7e000000, crystal_cap);
odm_set_bb_reg(dm, REG_AFE_PLL_CTRL, 0x7e, crystal_cap);
}
#endif
#if (RTL8710B_SUPPORT == 1)
else if (dm->support_ic_type & (ODM_RTL8710B)) {
#if (DM_ODM_SUPPORT_TYPE & ODM_WIN)
/* write 0x60[29:24] = 0x60[23:18] = crystal_cap */
HAL_SetSYSOnReg((PADAPTER)dm->adapter, REG_SYS_XTAL_CTRL0, 0x3FFC0000, (crystal_cap | (crystal_cap << 6)));
#endif
}
#endif
PHYDM_DBG(dm, DBG_CFO_TRK, "Set rystal_cap = 0x%x\n", cfo_track->crystal_cap);
}
u8
phydm_get_default_crytaltal_cap(
void *dm_void
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
u8 crystal_cap = 0x20;
#if (DM_ODM_SUPPORT_TYPE & ODM_CE) && defined(DM_ODM_CE_MAC80211)
struct rtl_priv *rtlpriv = (struct rtl_priv *)dm->adapter;
struct rtl_efuse *rtlefuse = rtl_efuse(rtlpriv);
crystal_cap = rtlefuse->crystalcap;
#elif (DM_ODM_SUPPORT_TYPE & (ODM_WIN | ODM_CE))
void *adapter = dm->adapter;
HAL_DATA_TYPE *hal_data = GET_HAL_DATA(((PADAPTER)adapter));
crystal_cap = hal_data->crystal_cap;
#else
struct rtl8192cd_priv *priv = dm->priv;
if (priv->pmib->dot11RFEntry.xcap > 0)
crystal_cap = priv->pmib->dot11RFEntry.xcap;
#endif
crystal_cap = crystal_cap & 0x3f;
return crystal_cap;
}
void
phydm_set_atc_status(
void *dm_void,
boolean atc_status
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct phydm_cfo_track_struct *cfo_track = (struct phydm_cfo_track_struct *)phydm_get_structure(dm, PHYDM_CFOTRACK);
if (cfo_track->is_atc_status == atc_status)
return;
odm_set_bb_reg(dm, ODM_REG(BB_ATC, dm), ODM_BIT(BB_ATC, dm), atc_status);
cfo_track->is_atc_status = atc_status;
}
boolean
phydm_get_atc_status(
void *dm_void
)
{
boolean atc_status;
struct dm_struct *dm = (struct dm_struct *)dm_void;
atc_status = (boolean)odm_get_bb_reg(dm, ODM_REG(BB_ATC, dm), ODM_BIT(BB_ATC, dm));
return atc_status;
}
void
phydm_cfo_tracking_reset(
void *dm_void
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct phydm_cfo_track_struct *cfo_track = (struct phydm_cfo_track_struct *)phydm_get_structure(dm, PHYDM_CFOTRACK);
PHYDM_DBG(dm, DBG_CFO_TRK, "%s ======>\n", __func__);
cfo_track->def_x_cap = phydm_get_default_crytaltal_cap(dm);
cfo_track->is_adjust = true;
if (cfo_track->crystal_cap > cfo_track->def_x_cap) {
phydm_set_crystal_cap(dm, cfo_track->crystal_cap - 1);
PHYDM_DBG(dm, DBG_CFO_TRK, "approch to Init-val (0x%x)\n", cfo_track->crystal_cap);
} else if (cfo_track->crystal_cap < cfo_track->def_x_cap) {
phydm_set_crystal_cap(dm, cfo_track->crystal_cap + 1);
PHYDM_DBG(dm, DBG_CFO_TRK, "approch to init-val 0x%x\n", cfo_track->crystal_cap);
}
#if (DM_ODM_SUPPORT_TYPE & (ODM_WIN | ODM_CE))
phydm_set_atc_status(dm, true);
#endif
}
void
phydm_cfo_tracking_init(
void *dm_void
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct phydm_cfo_track_struct *cfo_track = (struct phydm_cfo_track_struct *)phydm_get_structure(dm, PHYDM_CFOTRACK);
cfo_track->def_x_cap = cfo_track->crystal_cap = phydm_get_default_crytaltal_cap(dm);
cfo_track->is_atc_status = phydm_get_atc_status(dm);
cfo_track->is_adjust = true;
PHYDM_DBG(dm, DBG_CFO_TRK, "ODM_CfoTracking_init()=========>\n");
PHYDM_DBG(dm, DBG_CFO_TRK, "ODM_CfoTracking_init(): is_atc_status = %d, crystal_cap = 0x%x\n", cfo_track->is_atc_status, cfo_track->def_x_cap);
#if RTL8822B_SUPPORT
/* Crystal cap. control by WiFi */
if (dm->support_ic_type & ODM_RTL8822B)
odm_set_bb_reg(dm, 0x10, 0x40, 0x1);
#endif
#if RTL8821C_SUPPORT
/* Crystal cap. control by WiFi */
if (dm->support_ic_type & ODM_RTL8821C)
odm_set_bb_reg(dm, 0x10, 0x40, 0x1);
#endif
}
void
phydm_cfo_tracking(
void *dm_void
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct phydm_cfo_track_struct *cfo_track = (struct phydm_cfo_track_struct *)phydm_get_structure(dm, PHYDM_CFOTRACK);
s32 cfo_avg = 0, cfo_path_sum = 0; /*avg among each path*/
u32 cfo_rpt_sum, cfo_khz_avg[4] = {0};
s8 crystal_cap = cfo_track->crystal_cap;
u8 i, valid_path_cnt = 0;
if (!(dm->support_ability & ODM_BB_CFO_TRACKING)) {
return;
}
PHYDM_DBG(dm, DBG_CFO_TRK, "%s ======>\n", __func__);
if (!dm->is_linked || !dm->is_one_entry_only) {
phydm_cfo_tracking_reset(dm);
PHYDM_DBG(dm, DBG_CFO_TRK, "is_linked = %d, one_entry_only = %d\n",
dm->is_linked, dm->is_one_entry_only);
} else {
/* No new packet */
if (cfo_track->packet_count == cfo_track->packet_count_pre) {
PHYDM_DBG(dm, DBG_CFO_TRK, "Pkt cnt doesn't change\n");
return;
}
cfo_track->packet_count_pre = cfo_track->packet_count;
/*Calculate CFO */
for (i = 0; i < dm->num_rf_path; i++) {
if (cfo_track->CFO_cnt[i] == 0)
continue;
valid_path_cnt++;
cfo_rpt_sum = (u32)CFO_HW_RPT_2_KHZ(((cfo_track->CFO_tail[i] < 0) ? (0 - cfo_track->CFO_tail[i]) : cfo_track->CFO_tail[i]));
cfo_khz_avg[i] = cfo_rpt_sum / cfo_track->CFO_cnt[i];
PHYDM_DBG(dm, DBG_CFO_TRK, "[Path-%d] CFO_sum = (( %d )), cnt = (( %d )) , CFO_avg= (( %s%d )) kHz\n",
i, cfo_rpt_sum, cfo_track->CFO_cnt[i], ((cfo_track->CFO_tail[i] < 0) ? "-" : " "), cfo_khz_avg[i]);
}
for (i = 0; i < valid_path_cnt; i++) {
if (cfo_track->CFO_tail[i] < 0) {
cfo_path_sum += (0 - (s32)cfo_khz_avg[i]);
} else
cfo_path_sum += (s32)cfo_khz_avg[i];
}
if (valid_path_cnt >= 2)
cfo_avg = cfo_path_sum / valid_path_cnt;
else
cfo_avg = cfo_path_sum;
cfo_track->CFO_ave_pre = cfo_avg;
PHYDM_DBG(dm, DBG_CFO_TRK, "path_cnt = ((%d)), CFO_avg_path=((%d kHz))\n", valid_path_cnt, cfo_avg);
/*reset counter*/
for (i = 0; i < dm->num_rf_path; i++) {
cfo_track->CFO_tail[i] = 0;
cfo_track->CFO_cnt[i] = 0;
}
/* To adjust crystal cap or not */
if (cfo_track->is_adjust == false) {
if (cfo_avg > CFO_TRK_ENABLE_TH || cfo_avg < (-CFO_TRK_ENABLE_TH))
cfo_track->is_adjust = true;
} else {
if (cfo_avg < CFO_TRK_STOP_TH && cfo_avg > (-CFO_TRK_STOP_TH))
cfo_track->is_adjust = false;
}
#ifdef ODM_CONFIG_BT_COEXIST
/*BT case: Disable CFO tracking */
if (dm->bt_info_table.is_bt_enabled) {
cfo_track->is_adjust = false;
phydm_set_crystal_cap(dm, cfo_track->def_x_cap);
PHYDM_DBG(dm, DBG_CFO_TRK, "Disable CFO tracking for BT\n");
}
#endif
/*Adjust Crystal Cap. */
if (cfo_track->is_adjust) {
if (cfo_avg > CFO_TRK_STOP_TH)
crystal_cap += 1;
else if (cfo_avg < (-CFO_TRK_STOP_TH))
crystal_cap -=1;
if (crystal_cap > 0x3f)
crystal_cap = 0x3f;
else if (crystal_cap < 0)
crystal_cap = 0;
phydm_set_crystal_cap(dm, (u8)crystal_cap);
}
PHYDM_DBG(dm, DBG_CFO_TRK, "Crystal cap{Current, Default}={0x%x, 0x%x}\n\n",
cfo_track->crystal_cap, cfo_track->def_x_cap);
/* Dynamic ATC switch */
#if (DM_ODM_SUPPORT_TYPE & (ODM_WIN | ODM_CE))
if (dm->support_ic_type & ODM_IC_11N_SERIES) {
if (cfo_avg < CFO_TH_ATC && cfo_avg > -CFO_TH_ATC) {
phydm_set_atc_status(dm, false);
PHYDM_DBG(dm, DBG_CFO_TRK, "Disable ATC\n");
} else {
phydm_set_atc_status(dm, true);
PHYDM_DBG(dm, DBG_CFO_TRK, "Enable ATC\n");
}
}
#endif
}
}
void
phydm_parsing_cfo(
void *dm_void,
void *pktinfo_void,
s8 *pcfotail,
u8 num_ss
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct phydm_perpkt_info_struct *pktinfo = (struct phydm_perpkt_info_struct *)pktinfo_void;
struct phydm_cfo_track_struct *cfo_track = (struct phydm_cfo_track_struct *)phydm_get_structure(dm, PHYDM_CFOTRACK);
u8 i;
if (!(dm->support_ability & ODM_BB_CFO_TRACKING))
return;
#if (DM_ODM_SUPPORT_TYPE & (ODM_WIN | ODM_CE))
if (pktinfo->is_packet_match_bssid)
#else
if (pktinfo->station_id != 0)
#endif
{
if (num_ss > dm->num_rf_path) /*For fool proof*/
num_ss = dm->num_rf_path;
/*PHYDM_DBG(dm, DBG_CFO_TRK, "num_ss = ((%d)), dm->num_rf_path = ((%d))\n", num_ss, dm->num_rf_path);*/
/* 3 Update CFO report for path-A & path-B */
/* Only paht-A and path-B have CFO tail and short CFO */
for (i = 0; i < num_ss; i++) {
cfo_track->CFO_tail[i] += pcfotail[i];
cfo_track->CFO_cnt[i]++;
/*PHYDM_DBG(dm, DBG_CFO_TRK, "[ID %d][path %d][rate 0x%x] CFO_tail = ((%d)), CFO_tail_sum = ((%d)), CFO_cnt = ((%d))\n",
pktinfo->station_id, i, pktinfo->data_rate, pcfotail[i], cfo_track->CFO_tail[i], cfo_track->CFO_cnt[i]);
*/
}
/* 3 Update packet counter */
if (cfo_track->packet_count == 0xffffffff)
cfo_track->packet_count = 0;
else
cfo_track->packet_count++;
}
}
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