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RTL88x2BU-Linux-Driver/hal/phydm/phydm_cck_pd.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 files
* ************************************************************ */
#include "mp_precomp.h"
#include "phydm_precomp.h"
#ifdef PHYDM_SUPPORT_CCKPD
void
phydm_write_cck_cca_th_new_cs_ratio(
void *dm_void,
u8 cca_th,
u8 cca_th_aaa
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct phydm_cckpd_struct *cckpd_t = &dm->dm_cckpd_table;
PHYDM_DBG(dm, DBG_CCKPD, "%s ======>\n", __func__);
PHYDM_DBG(dm, DBG_CCKPD, "[New] pd_th=0x%x, cs_ratio=0x%x\n\n", cca_th, cca_th_aaa);
if (cckpd_t->cur_cck_cca_thres != cca_th) {
cckpd_t->cur_cck_cca_thres = cca_th;
odm_set_bb_reg(dm, 0xa08, 0xf0000, cca_th);
cckpd_t->cck_fa_ma = CCK_FA_MA_RESET;
}
if (cckpd_t->cck_cca_th_aaa != cca_th_aaa) {
cckpd_t->cck_cca_th_aaa = cca_th_aaa;
odm_set_bb_reg(dm, 0xaa8, 0x1f0000, cca_th_aaa);
cckpd_t->cck_fa_ma = CCK_FA_MA_RESET;
}
}
void
phydm_write_cck_cca_th(
void *dm_void,
u8 cca_th
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct phydm_cckpd_struct *cckpd_t = &dm->dm_cckpd_table;
PHYDM_DBG(dm, DBG_CCKPD, "%s ======>\n", __func__);
PHYDM_DBG(dm, DBG_CCKPD, "New cck_cca_th=((0x%x))\n\n", cca_th);
if (cckpd_t->cur_cck_cca_thres != cca_th) {
odm_write_1byte(dm, ODM_REG(CCK_CCA, dm), cca_th);
cckpd_t->cck_fa_ma = CCK_FA_MA_RESET;
}
cckpd_t->cur_cck_cca_thres = cca_th;
}
void
phydm_set_cckpd_val(
void *dm_void,
u32 *val_buf,
u8 val_len
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
if (val_len != 2) {
PHYDM_DBG(dm, ODM_COMP_API, "[Error][CCKPD]Need val_len=2\n");
return;
}
/*val_buf[0]: 0xa0a*/
/*val_buf[1]: 0xaaa*/
if (dm->support_ic_type & EXTEND_CCK_CCATH_AAA_IC) {
phydm_write_cck_cca_th_new_cs_ratio(dm, (u8)val_buf[0], (u8)val_buf[1]);
} else {
phydm_write_cck_cca_th(dm, (u8)val_buf[0]);
}
}
boolean
phydm_stop_cck_pd_th(
void *dm_void
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
if (!(dm->support_ability & (ODM_BB_CCK_PD | ODM_BB_FA_CNT))) {
PHYDM_DBG(dm, DBG_CCKPD, "Not Support\n");
#if (DM_ODM_SUPPORT_TYPE & (ODM_AP))
#ifdef MCR_WIRELESS_EXTEND
phydm_write_cck_cca_th(dm, 0x43);
#endif
#endif
return true;
}
if (dm->pause_ability & ODM_BB_CCK_PD) {
PHYDM_DBG(dm, DBG_CCKPD, "Return: Pause CCKPD in LV=%d\n", dm->pause_lv_table.lv_cckpd);
return true;
}
#if 0/*(DM_ODM_SUPPORT_TYPE & (ODM_WIN | ODM_CE))*/
if (dm->ext_lna)
return true;
#endif
return false;
}
void
phydm_cckpd(
void *dm_void
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct phydm_dig_struct *dig_t = &dm->dm_dig_table;
struct phydm_cckpd_struct *cckpd_t = &dm->dm_cckpd_table;
u8 cur_cck_cca_th= cckpd_t->cur_cck_cca_thres;
if (dm->is_linked) {
#if (DM_ODM_SUPPORT_TYPE & (ODM_WIN | ODM_CE))
/*Add hp_hw_id condition due to 22B LPS power consumption issue and [PCIE-1596]*/
if (dm->hp_hw_id && (dm->traffic_load == TRAFFIC_ULTRA_LOW))
cur_cck_cca_th = 0x40;
else if (dm->rssi_min > 35)
cur_cck_cca_th = 0xcd;
else if (dm->rssi_min > 20) {
if (cckpd_t->cck_fa_ma > 500)
cur_cck_cca_th = 0xcd;
else if (cckpd_t->cck_fa_ma < 250)
cur_cck_cca_th = 0x83;
} else {
if((dm->p_advance_ota & PHYDM_ASUS_OTA_SETTING) && (cckpd_t->cck_fa_ma > 200))
cur_cck_cca_th = 0xc3; /*for ASUS OTA test*/
else
cur_cck_cca_th = 0x83;
}
#else /*ODM_AP*/
if (dig_t->cur_ig_value > 0x32)
cur_cck_cca_th = 0xed;
else if (dig_t->cur_ig_value > 0x2a)
cur_cck_cca_th = 0xdd;
else if (dig_t->cur_ig_value > 0x24)
cur_cck_cca_th = 0xcd;
else
cur_cck_cca_th = 0x83;
#endif
} else {
if (cckpd_t->cck_fa_ma > 1000)
cur_cck_cca_th = 0x83;
else if (cckpd_t->cck_fa_ma < 500)
cur_cck_cca_th = 0x40;
}
phydm_write_cck_cca_th(dm, cur_cck_cca_th);
/*PHYDM_DBG(dm, DBG_CCKPD, "New cck_cca_th=((0x%x))\n\n", cur_cck_cca_th);*/
}
void
phydm_cckpd_new_cs_ratio(
void *dm_void
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct phydm_dig_struct *dig_t = &dm->dm_dig_table;
struct phydm_cckpd_struct *cckpd_t = &dm->dm_cckpd_table;
u8 pd_th = 0, cs_ration = 0, cs_2r_offset = 0;
u8 igi_curr = dig_t->cur_ig_value;
u8 en_2rcca;
boolean is_update = true;
PHYDM_DBG(dm, DBG_CCKPD, "%s ======>\n", __func__);
en_2rcca = (u8)(odm_get_bb_reg(dm, 0xa2c, BIT(18)) && odm_get_bb_reg(dm, 0xa2c, BIT(22)));
if (dm->is_linked) {
if ((igi_curr > 0x38) && (dm->rssi_min > 32)) {
cs_ration = dig_t->aaa_default + AAA_BASE + AAA_STEP * 2;
cs_2r_offset = 5;
pd_th = 0xd;
} else if ((igi_curr > 0x2a) && (dm->rssi_min > 32)) {
cs_ration = dig_t->aaa_default + AAA_BASE + AAA_STEP;
cs_2r_offset = 4;
pd_th = 0xd;
} else if ((igi_curr > 0x24) || (dm->rssi_min > 24 && dm->rssi_min <= 30)) {
cs_ration = dig_t->aaa_default + AAA_BASE;
cs_2r_offset = 3;
pd_th = 0xd;
} else if ((igi_curr <= 0x24) || (dm->rssi_min < 22)) {
if (cckpd_t->cck_fa_ma > 1000) {
cs_ration = dig_t->aaa_default + AAA_STEP;
cs_2r_offset = 1;
pd_th = 0x7;
} else if (cckpd_t->cck_fa_ma < 500) {
cs_ration = dig_t->aaa_default;
pd_th = 0x3;
} else {
is_update = false;
cs_ration = cckpd_t->cck_cca_th_aaa;
pd_th = cckpd_t->cur_cck_cca_thres;
}
}
} else {
if (cckpd_t->cck_fa_ma > 1000) {
cs_ration = dig_t->aaa_default + AAA_STEP;
cs_2r_offset = 1;
pd_th = 0x7;
} else if (cckpd_t->cck_fa_ma < 500) {
cs_ration = dig_t->aaa_default;
pd_th = 0x3;
} else {
is_update = false;
cs_ration = cckpd_t->cck_cca_th_aaa;
pd_th = cckpd_t->cur_cck_cca_thres;
}
}
if (en_2rcca)
cs_ration = (cs_ration >= cs_2r_offset) ? (cs_ration - cs_2r_offset) : 0;
PHYDM_DBG(dm, DBG_CCKPD,
"[New] cs_ratio=0x%x, pd_th=0x%x\n", cs_ration, pd_th);
if (is_update) {
cckpd_t->cur_cck_cca_thres = pd_th;
cckpd_t->cck_cca_th_aaa = cs_ration;
odm_set_bb_reg(dm, 0xa08, 0xf0000, pd_th);
odm_set_bb_reg(dm, 0xaa8, 0x1f0000, cs_ration);
}
/*phydm_write_cck_cca_th_new_cs_ratio(dm, pd_th, cs_ration);*/
}
#endif
void
phydm_cck_pd_th(
void *dm_void
)
{
#ifdef PHYDM_SUPPORT_CCKPD
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct phydm_fa_struct *fa_t= &dm->false_alm_cnt;
struct phydm_cckpd_struct *cckpd_t = &dm->dm_cckpd_table;
u32 cnt_cck_fail_tmp = fa_t->cnt_cck_fail;
#ifdef PHYDM_TDMA_DIG_SUPPORT
struct phydm_fa_acc_struct *fa_acc_t = &dm->false_alm_cnt_acc;
#endif
PHYDM_DBG(dm, DBG_CCKPD, "%s ======>\n", __func__);
if (phydm_stop_cck_pd_th(dm) == true)
return;
#ifdef PHYDM_TDMA_DIG_SUPPORT
cnt_cck_fail_tmp = (dm->original_dig_restore) ? (fa_t->cnt_cck_fail) : (fa_acc_t->cnt_cck_fail_1sec);
#endif
if (cckpd_t->cck_fa_ma == CCK_FA_MA_RESET)
cckpd_t->cck_fa_ma = cnt_cck_fail_tmp;
else {
cckpd_t->cck_fa_ma = ((cckpd_t->cck_fa_ma << 1) +
cckpd_t->cck_fa_ma + cnt_cck_fail_tmp) >> 2;
}
PHYDM_DBG(dm, DBG_CCKPD, "CCK FA=%d\n", cckpd_t->cck_fa_ma);
if (dm->support_ic_type & EXTEND_CCK_CCATH_AAA_IC)
phydm_cckpd_new_cs_ratio(dm);
else
phydm_cckpd(dm);
#endif
}
void
odm_pause_cck_packet_detection(
void *dm_void,
enum phydm_pause_type pause_type,
enum phydm_pause_level pause_lv,
u8 cck_pd_th
)
{
#ifdef PHYDM_SUPPORT_CCKPD
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct phydm_cckpd_struct *cckpd_t = &dm->dm_cckpd_table;
s8 max_level;
u8 i;
PHYDM_DBG(dm, DBG_CCKPD, "%s ======>\n", __func__);
if ((cckpd_t->pause_bitmap == 0) &&
(!(dm->support_ability & (ODM_BB_CCK_PD | ODM_BB_FA_CNT)))) {
PHYDM_DBG(dm, DBG_CCKPD, "Return: not support\n");
return;
}
if (pause_lv >= PHYDM_PAUSE_MAX_NUM) {
PHYDM_DBG(dm, DBG_CCKPD, "Return: Wrong LV !\n");
return;
}
PHYDM_DBG(dm, DBG_CCKPD, "Set pause{Type, LV, val} = {%d, %d, 0x%x}\n",
pause_type, pause_lv, cck_pd_th);
PHYDM_DBG(dm, DBG_CCKPD, "pause LV=0x%x\n", cckpd_t->pause_bitmap);
for (i = 0; i < PHYDM_PAUSE_MAX_NUM; i ++) {
PHYDM_DBG(dm, DBG_CCKPD, "pause val[%d]=0x%x\n",
i, cckpd_t->pause_cckpd_value[i]);
}
switch (pause_type) {
case PHYDM_PAUSE:
{
/* Disable CCK PD */
dm->support_ability &= ~ODM_BB_CCK_PD;
PHYDM_DBG(dm, DBG_CCKPD, "Pause CCK PD th\n");
/* Backup original CCK PD threshold decided by CCK PD mechanism */
if (cckpd_t->pause_bitmap == 0) {
cckpd_t->cckpd_bkp = cckpd_t->cur_cck_cca_thres;
PHYDM_DBG(dm, DBG_CCKPD, "cckpd_bkp=0x%x\n",
cckpd_t->cckpd_bkp);
}
cckpd_t->pause_bitmap |= BIT(pause_lv); /* Update pause level */
cckpd_t->pause_cckpd_value[pause_lv] = cck_pd_th;
/* Write new CCK PD threshold */
if (BIT(pause_lv + 1) > cckpd_t->pause_bitmap) {
PHYDM_DBG(dm, DBG_CCKPD, "> ori pause LV=0x%x\n",
cckpd_t->pause_bitmap);
phydm_write_cck_cca_th(dm, cck_pd_th);
}
break;
}
case PHYDM_RESUME:
{
/* check if the level is illegal or not */
if ((cckpd_t->pause_bitmap & (BIT(pause_lv))) != 0) {
cckpd_t->pause_bitmap &= (~(BIT(pause_lv)));
cckpd_t->pause_cckpd_value[pause_lv] = 0;
PHYDM_DBG(dm, DBG_CCKPD, "Resume CCK PD\n");
} else {
PHYDM_DBG(dm, DBG_CCKPD, "Wrong resume LV\n");
break;
}
/* Resume CCKPD */
if (cckpd_t->pause_bitmap == 0) {
PHYDM_DBG(dm, DBG_CCKPD, "Revert bkp_CCKPD=0x%x\n",
cckpd_t->cckpd_bkp);
phydm_write_cck_cca_th(dm, cckpd_t->cckpd_bkp);
dm->support_ability |= ODM_BB_CCK_PD;/* Enable CCKPD */
break;
}
if (BIT(pause_lv) <= cckpd_t->pause_bitmap)
break;
/* Calculate the maximum level now */
for (max_level = (pause_lv - 1); max_level >= 0; max_level--) {
if (cckpd_t->pause_bitmap & BIT(max_level))
break;
}
/* write CCKPD of lower level */
phydm_write_cck_cca_th(dm, cckpd_t->pause_cckpd_value[max_level]);
PHYDM_DBG(dm, DBG_CCKPD, "Write CCKPD=0x%x for max_LV=%d\n",
cckpd_t->pause_cckpd_value[max_level], max_level);
break;
}
default:
PHYDM_DBG(dm, DBG_CCKPD, "Wrong type\n");
break;
}
PHYDM_DBG(dm, DBG_CCKPD, "New pause bitmap=0x%x\n",
cckpd_t->pause_bitmap);
for (i = 0; i < PHYDM_PAUSE_MAX_NUM; i ++) {
PHYDM_DBG(dm, DBG_CCKPD, "pause val[%d]=0x%x\n",
i, cckpd_t->pause_cckpd_value[i]);
}
#endif
}
void
phydm_cck_pd_init(
void *dm_void
)
{
#ifdef PHYDM_SUPPORT_CCKPD
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct phydm_cckpd_struct *cckpd_t = &dm->dm_cckpd_table;
struct phydm_dig_struct *dig_t = &dm->dm_dig_table;
cckpd_t->cur_cck_cca_thres = 0;
cckpd_t->cck_cca_th_aaa = 0;
cckpd_t->pause_bitmap = 0;
if (dm->support_ic_type & EXTEND_CCK_CCATH_AAA_IC) {
dig_t->aaa_default = odm_read_1byte(dm, 0xaaa) & 0x1f;
dig_t->a0a_default = (u8)odm_get_bb_reg(dm, R_0xa08, 0xff0000);
cckpd_t->cck_cca_th_aaa = dig_t->aaa_default;
cckpd_t->cur_cck_cca_thres = dig_t->a0a_default;
} else {
dig_t->a0a_default = (u8)odm_get_bb_reg(dm, R_0xa08, 0xff0000);
cckpd_t->cur_cck_cca_thres = dig_t->a0a_default;
}
odm_memory_set(dm, cckpd_t->pause_cckpd_value, 0, PHYDM_PAUSE_MAX_NUM);
#endif
}
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