RinCat/RTL88x2BU-Linux-Driver
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RTL88x2BU-Linux-Driver/hal/phydm/phydm_noisemonitor.c
Rin Cat (鈴猫) c0e109d401
Update to 5.13.1 from upstream
2021-12-04 07:42:09 -05:00

468 lines
14 KiB
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"
/**************************************************
* This function is for inband noise test utility only
* To obtain the inband noise level(dbm), do the following.
* 1. disable DIG and Power Saving
* 2. Set initial gain = 0x1a
* 3. Stop updating idle time pwer report (for driver read)
* - 0x80c[25]
*
*************************************************/
void phydm_set_noise_data_sum(struct noise_level *noise_data, u8 max_rf_path)
{
u8 i = 0;
for (i = RF_PATH_A; i < max_rf_path; i++) {
if (noise_data->valid_cnt[i])
noise_data->sum[i] /= noise_data->valid_cnt[i];
else
noise_data->sum[i] = 0;
}
}
#if (ODM_IC_11N_SERIES_SUPPORT)
s16 odm_inband_noise_monitor_n(struct dm_struct *dm, u8 is_pause_dig, u8 igi,
u32 max_time)
{
u32 tmp4b;
u8 max_rf_path = 0, i = 0;
u8 reg_c50, reg_c58, valid_done = 0;
struct noise_level noise_data;
u64 start = 0, func_start = 0, func_end = 0;
s8 val_s8 = 0;
func_start = odm_get_current_time(dm);
dm->noise_level.noise_all = 0;
if (dm->rf_type == RF_1T2R || dm->rf_type == RF_2T2R)
max_rf_path = 2;
else
max_rf_path = 1;
PHYDM_DBG(dm, DBG_ENV_MNTR,
"odm_DebugControlInbandNoise_Nseries() ==>\n");
odm_memory_set(dm, &noise_data, 0, sizeof(struct noise_level));
/* step 1. Disable DIG && Set initial gain. */
if (is_pause_dig)
odm_pause_dig(dm, PHYDM_PAUSE, PHYDM_PAUSE_LEVEL_1, igi);
/* step 3. Get noise power level */
start = odm_get_current_time(dm);
while (1) {
/* Stop updating idle time pwer report (for driver read) */
odm_set_bb_reg(dm, REG_FPGA0_TX_GAIN_STAGE, BIT(25), 1);
/* Read Noise Floor Report */
tmp4b = odm_get_bb_reg(dm, R_0x8f8, MASKDWORD);
/* update idle time pwer report per 5us */
odm_set_bb_reg(dm, REG_FPGA0_TX_GAIN_STAGE, BIT(25), 0);
ODM_delay_us(5);
noise_data.value[RF_PATH_A] = (u8)(tmp4b & 0xff);
noise_data.value[RF_PATH_B] = (u8)((tmp4b & 0xff00) >> 8);
for (i = RF_PATH_A; i < max_rf_path; i++) {
noise_data.sval[i] = (s8)noise_data.value[i];
noise_data.sval[i] /= 2;
}
for (i = RF_PATH_A; i < max_rf_path; i++) {
if (noise_data.valid_cnt[i] >= VALID_CNT)
continue;
noise_data.valid_cnt[i]++;
noise_data.sum[i] += noise_data.sval[i];
PHYDM_DBG(dm, DBG_ENV_MNTR,
"rf_path:%d Valid sval=%d\n", i,
noise_data.sval[i]);
PHYDM_DBG(dm, DBG_ENV_MNTR, "Sum of sval = %d,\n",
noise_data.sum[i]);
if (noise_data.valid_cnt[i] == VALID_CNT)
valid_done++;
}
if (valid_done == max_rf_path ||
(odm_get_progressing_time(dm, start) > max_time)) {
phydm_set_noise_data_sum(&noise_data, max_rf_path);
break;
}
}
reg_c50 = (u8)odm_get_bb_reg(dm, REG_OFDM_0_XA_AGC_CORE1, MASKBYTE0);
reg_c50 &= ~BIT(7);
val_s8 = (s8)(-110 + reg_c50 + noise_data.sum[RF_PATH_A]);
dm->noise_level.noise[RF_PATH_A] = val_s8;
dm->noise_level.noise_all += dm->noise_level.noise[RF_PATH_A];
if (max_rf_path == 2) {
reg_c58 = (u8)odm_get_bb_reg(dm, R_0xc58, MASKBYTE0);
reg_c58 &= ~BIT(7);
val_s8 = (s8)(-110 + reg_c58 + noise_data.sum[RF_PATH_B]);
dm->noise_level.noise[RF_PATH_B] = val_s8;
dm->noise_level.noise_all += dm->noise_level.noise[RF_PATH_B];
}
dm->noise_level.noise_all /= max_rf_path;
PHYDM_DBG(dm, DBG_ENV_MNTR,
"noise_a = %d, noise_b = %d, noise_all = %d\n",
dm->noise_level.noise[RF_PATH_A],
dm->noise_level.noise[RF_PATH_B], dm->noise_level.noise_all);
/* step 4. Recover the Dig */
if (is_pause_dig)
odm_pause_dig(dm, PHYDM_RESUME, PHYDM_PAUSE_LEVEL_1, igi);
func_end = odm_get_progressing_time(dm, func_start);
PHYDM_DBG(dm, DBG_ENV_MNTR, "end\n");
return dm->noise_level.noise_all;
}
#endif
#if (ODM_IC_11AC_SERIES_SUPPORT)
s16 phydm_idle_noise_measure_ac(struct dm_struct *dm, u8 pause_dig,
u8 igi, u32 max_time)
{
u32 tmp4b;
u8 max_rf_path = 0, i = 0;
u8 reg_c50, reg_e50, valid_done = 0;
u64 start = 0, func_start = 0, func_end = 0;
struct noise_level noise_data;
s8 val_s8 = 0;
func_start = odm_get_current_time(dm);
dm->noise_level.noise_all = 0;
if (dm->rf_type == RF_1T2R || dm->rf_type == RF_2T2R)
max_rf_path = 2;
else
max_rf_path = 1;
PHYDM_DBG(dm, DBG_ENV_MNTR, "%s==>\n", __func__);
odm_memory_set(dm, &noise_data, 0, sizeof(struct noise_level));
/*Step 1. Disable DIG && Set initial gain.*/
if (pause_dig)
odm_pause_dig(dm, PHYDM_PAUSE, PHYDM_PAUSE_LEVEL_1, igi);
/*Step 2. Get noise power level*/
start = odm_get_current_time(dm);
while (1) {
/*Stop updating idle time pwer report (for driver read)*/
odm_set_bb_reg(dm, R_0x9e4, BIT(30), 0x1);
/*Read Noise Floor Report*/
tmp4b = odm_get_bb_reg(dm, R_0xff0, MASKDWORD);
/*update idle time pwer report per 5us*/
odm_set_bb_reg(dm, R_0x9e4, BIT(30), 0x0);
ODM_delay_us(5);
noise_data.value[RF_PATH_A] = (u8)(tmp4b & 0xff);
noise_data.value[RF_PATH_B] = (u8)((tmp4b & 0xff00) >> 8);
for (i = RF_PATH_A; i < max_rf_path; i++) {
noise_data.sval[i] = (s8)noise_data.value[i];
noise_data.sval[i] = noise_data.sval[i] >> 1;
}
for (i = RF_PATH_A; i < max_rf_path; i++) {
if (noise_data.valid_cnt[i] >= VALID_CNT)
continue;
noise_data.valid_cnt[i]++;
noise_data.sum[i] += noise_data.sval[i];
PHYDM_DBG(dm, DBG_ENV_MNTR, "Path:%d Valid sval = %d\n",
i, noise_data.sval[i]);
PHYDM_DBG(dm, DBG_ENV_MNTR, "Sum of sval = %d\n",
noise_data.sum[i]);
if (noise_data.valid_cnt[i] == VALID_CNT)
valid_done++;
}
if (valid_done == max_rf_path ||
(odm_get_progressing_time(dm, start) > max_time)) {
phydm_set_noise_data_sum(&noise_data, max_rf_path);
break;
}
}
reg_c50 = (u8)odm_get_bb_reg(dm, R_0xc50, MASKBYTE0);
reg_c50 &= ~BIT(7);
val_s8 = (s8)(-110 + reg_c50 + noise_data.sum[RF_PATH_A]);
dm->noise_level.noise[RF_PATH_A] = val_s8;
dm->noise_level.noise_all += dm->noise_level.noise[RF_PATH_A];
if (max_rf_path == 2) {
reg_e50 = (u8)odm_get_bb_reg(dm, R_0xe50, MASKBYTE0);
reg_e50 &= ~BIT(7);
val_s8 = (s8)(-110 + reg_e50 + noise_data.sum[RF_PATH_B]);
dm->noise_level.noise[RF_PATH_B] = val_s8;
dm->noise_level.noise_all += dm->noise_level.noise[RF_PATH_B];
}
dm->noise_level.noise_all /= max_rf_path;
PHYDM_DBG(dm, DBG_ENV_MNTR,
"noise_a = %d, noise_b = %d, noise_all = %d\n",
dm->noise_level.noise[RF_PATH_A],
dm->noise_level.noise[RF_PATH_B], dm->noise_level.noise_all);
/*Step 3. Recover the Dig*/
if (pause_dig)
odm_pause_dig(dm, PHYDM_RESUME, PHYDM_PAUSE_LEVEL_1, igi);
func_end = odm_get_progressing_time(dm, func_start);
PHYDM_DBG(dm, DBG_ENV_MNTR, "end\n");
return dm->noise_level.noise_all;
}
s16 odm_inband_noise_monitor_ac(struct dm_struct *dm, u8 pause_dig, u8 igi,
u32 max_time)
{
s32 rxi_buf_anta, rxq_buf_anta; /*rxi_buf_antb, rxq_buf_antb;*/
s32 value32, pwdb_A = 0, sval, noise, sum = 0;
boolean pd_flag;
u8 valid_cnt = 0;
u8 invalid_cnt = 0;
u64 start = 0, func_start = 0, func_end = 0, proc_time = 0;
s32 val_s32 = 0;
s16 rpt = 0;
u8 val_u8 = 0;
if (dm->support_ic_type & (ODM_RTL8822B | ODM_RTL8821C)) {
rpt = phydm_idle_noise_measure_ac(dm, pause_dig, igi, max_time);
return rpt;
}
if (!(dm->support_ic_type & (ODM_RTL8812 | ODM_RTL8821 | ODM_RTL8814A)))
return 0;
func_start = odm_get_current_time(dm);
dm->noise_level.noise_all = 0;
PHYDM_DBG(dm, DBG_ENV_MNTR, "%s ==>\n", __func__);
/* step 1. Disable DIG && Set initial gain. */
if (pause_dig)
odm_pause_dig(dm, PHYDM_PAUSE, PHYDM_PAUSE_LEVEL_1, igi);
/* step 3. Get noise power level */
start = odm_get_current_time(dm);
/* step 3. Get noise power level */
while (1) {
/*Set IGI=0x1C */
odm_write_dig(dm, 0x1C);
/*stop CK320&CK88 */
odm_set_bb_reg(dm, R_0x8b4, BIT(6), 1);
/*Read path-A */
/*set debug port*/
odm_set_bb_reg(dm, R_0x8fc, MASKDWORD, 0x200);
/*read debug port*/
value32 = odm_get_bb_reg(dm, R_0xfa0, MASKDWORD);
/*rxi_buf_anta=RegFA0[19:10]*/
rxi_buf_anta = (value32 & 0xFFC00) >> 10;
rxq_buf_anta = value32 & 0x3FF; /*rxq_buf_anta=RegFA0[19:10]*/
pd_flag = (boolean)((value32 & BIT(31)) >> 31);
/*Not in packet detection period or Tx state */
if (!pd_flag || rxi_buf_anta != 0x200) {
/*sign conversion*/
rxi_buf_anta = odm_sign_conversion(rxi_buf_anta, 10);
rxq_buf_anta = odm_sign_conversion(rxq_buf_anta, 10);
val_s32 = rxi_buf_anta * rxi_buf_anta +
rxq_buf_anta * rxq_buf_anta;
/*S(10,9)*S(10,9)=S(20,18)*/
pwdb_A = odm_pwdb_conversion(val_s32, 20, 18);
PHYDM_DBG(dm, DBG_ENV_MNTR,
"pwdb_A= %d dB, rxi_buf_anta= 0x%x, rxq_buf_anta= 0x%x\n",
pwdb_A, rxi_buf_anta & 0x3FF,
rxq_buf_anta & 0x3FF);
}
/*Start CK320&CK88*/
odm_set_bb_reg(dm, R_0x8b4, BIT(6), 0);
/*@BB Reset*/
val_u8 = odm_read_1byte(dm, 0x02) & (~BIT(0));
odm_write_1byte(dm, 0x02, val_u8);
val_u8 = odm_read_1byte(dm, 0x02) | BIT(0);
odm_write_1byte(dm, 0x02, val_u8);
/*PMAC Reset*/
val_u8 = odm_read_1byte(dm, 0xB03) & (~BIT(0));
odm_write_1byte(dm, 0xB03, val_u8);
val_u8 = odm_read_1byte(dm, 0xB03) | BIT(0);
odm_write_1byte(dm, 0xB03, val_u8);
/*@CCK Reset*/
if (odm_read_1byte(dm, 0x80B) & BIT(4)) {
val_u8 = odm_read_1byte(dm, 0x80B) & (~BIT(4));
odm_write_1byte(dm, 0x80B, val_u8);
val_u8 = odm_read_1byte(dm, 0x80B) | BIT(4);
odm_write_1byte(dm, 0x80B, val_u8);
}
sval = pwdb_A;
if ((sval < 0 && sval >= -27) && valid_cnt < VALID_CNT) {
valid_cnt++;
sum += sval;
PHYDM_DBG(dm, DBG_ENV_MNTR, "Valid sval = %d\n", sval);
PHYDM_DBG(dm, DBG_ENV_MNTR, "Sum of sval = %d,\n", sum);
if (valid_cnt >= VALID_CNT ||
(odm_get_progressing_time(dm, start) > max_time)) {
sum /= VALID_CNT;
PHYDM_DBG(dm, DBG_ENV_MNTR,
"After divided, sum = %d\n", sum);
break;
}
} else {
/*Invalid sval and return -110 dBm*/
invalid_cnt++;
PHYDM_DBG(dm, DBG_ENV_MNTR, "Invalid sval\n");
if (invalid_cnt >= VALID_CNT + 5) {
PHYDM_DBG(dm, DBG_ENV_MNTR,
"Invalid count > TH, Return -110, Break!!\n");
return -110;
}
}
}
/*@ADC backoff is 12dB,*/
/*Ptarget=0x1C-110=-82dBm*/
noise = sum + 12 + 0x1C - 110;
/*Offset*/
noise = noise - 3;
PHYDM_DBG(dm, DBG_ENV_MNTR, "noise = %d\n", noise);
dm->noise_level.noise_all = (s16)noise;
/* step 4. Recover the Dig*/
if (pause_dig)
odm_pause_dig(dm, PHYDM_RESUME, PHYDM_PAUSE_LEVEL_1, igi);
func_end = odm_get_progressing_time(dm, func_start);
PHYDM_DBG(dm, DBG_ENV_MNTR, "%s <==\n", __func__);
return dm->noise_level.noise_all;
}
#endif
s16 odm_inband_noise_monitor(void *dm_void, u8 pause_dig, u8 igi,
u32 max_time)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
s16 val = 0;
igi = 0x32;
/* since HW ability is about +15~-35,
* we fix IGI = -60 for maximum coverage
*/
#if (ODM_IC_11AC_SERIES_SUPPORT)
if (dm->support_ic_type & ODM_IC_11AC_SERIES)
val = odm_inband_noise_monitor_ac(dm, pause_dig, igi, max_time);
#endif
#if (ODM_IC_11N_SERIES_SUPPORT)
if (dm->support_ic_type & ODM_IC_11N_SERIES)
val = odm_inband_noise_monitor_n(dm, pause_dig, igi, max_time);
#endif
return val;
}
void phydm_noisy_detection(void *dm_void)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
u32 total_fa_cnt, total_cca_cnt;
u32 score = 0, i, score_smooth;
total_cca_cnt = dm->false_alm_cnt.cnt_cca_all;
total_fa_cnt = dm->false_alm_cnt.cnt_all;
#if 0
if (total_fa_cnt * 16 >= total_cca_cnt * 14) /* @87.5 */
;
else if (total_fa_cnt * 16 >= total_cca_cnt * 12) /* @75 */
;
else if (total_fa_cnt * 16 >= total_cca_cnt * 10) /* @56.25 */
;
else if (total_fa_cnt * 16 >= total_cca_cnt * 8) /* @50 */
;
else if (total_fa_cnt * 16 >= total_cca_cnt * 7) /* @43.75 */
;
else if (total_fa_cnt * 16 >= total_cca_cnt * 6) /* @37.5 */
;
else if (total_fa_cnt * 16 >= total_cca_cnt * 5) /* @31.25% */
;
else if (total_fa_cnt * 16 >= total_cca_cnt * 4) /* @25% */
;
else if (total_fa_cnt * 16 >= total_cca_cnt * 3) /* @18.75% */
;
else if (total_fa_cnt * 16 >= total_cca_cnt * 2) /* @12.5% */
;
else if (total_fa_cnt * 16 >= total_cca_cnt * 1) /* @6.25% */
;
#endif
for (i = 0; i <= 16; i++) {
if (total_fa_cnt * 16 >= total_cca_cnt * (16 - i)) {
score = 16 - i;
break;
}
}
/* noisy_decision_smooth = noisy_decision_smooth>>1 + (score<<3)>>1; */
dm->noisy_decision_smooth = (dm->noisy_decision_smooth >> 1) +
(score << 2);
/* Round the noisy_decision_smooth: +"3" comes from (2^3)/2-1 */
if (total_cca_cnt >= 300)
score_smooth = (dm->noisy_decision_smooth + 3) >> 3;
else
score_smooth = 0;
dm->noisy_decision = (score_smooth >= 3) ? 1 : 0;
PHYDM_DBG(dm, DBG_ENV_MNTR,
"[NoisyDetection] CCA_cnt=%d,FA_cnt=%d, noisy_dec_smooth=%d, score=%d, score_smooth=%d, noisy_dec=%d\n",
total_cca_cnt, total_fa_cnt, dm->noisy_decision_smooth, score,
score_smooth, dm->noisy_decision);
}
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