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rtl8188eu/phydm_noisemonitor.c
Larry Finger 4de1397841 rtl8188eu: Flatten hap/ 
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2021-07-22 18:57:16 -05:00

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// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2007 - 2016 Realtek Corporation. All rights reserved. */
/* ************************************************************
* include files
* ************************************************************ */
#include "mp_precomp.h"
#include "phydm_precomp.h"
#include "phydm_noisemonitor.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]
*
* ************************************************* */
#define VALID_MIN -35
#define VALID_MAX 10
#define VALID_CNT 5
static s16 odm_inband_noise_monitor_n_series(struct PHY_DM_STRUCT *p_dm_odm, u8 is_pause_dig, u8 igi_value, u32 max_time)
{
u32 tmp4b;
u8 max_rf_path = 0, rf_path;
u8 reg_c50, reg_c58, valid_done = 0;
struct noise_level noise_data;
u64 start = 0, func_start = 0, func_end = 0;
func_start = odm_get_current_time(p_dm_odm);
p_dm_odm->noise_level.noise_all = 0;
if ((p_dm_odm->rf_type == ODM_1T2R) || (p_dm_odm->rf_type == ODM_2T2R))
max_rf_path = 2;
else
max_rf_path = 1;
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("odm_DebugControlInbandNoise_Nseries() ==>\n"));
odm_memory_set(p_dm_odm, &noise_data, 0, sizeof(struct noise_level));
/* */
/* step 1. Disable DIG && Set initial gain. */
/* */
if (is_pause_dig)
odm_pause_dig(p_dm_odm, PHYDM_PAUSE, PHYDM_PAUSE_LEVEL_1, igi_value);
/* */
/* step 2. Disable all power save for read registers */
/* */
/* dcmd_DebugControlPowerSave(p_adapter, PSDisable); */
/* */
/* step 3. Get noise power level */
/* */
start = odm_get_current_time(p_dm_odm);
while (1) {
/* Stop updating idle time pwer report (for driver read) */
odm_set_bb_reg(p_dm_odm, REG_FPGA0_TX_GAIN_STAGE, BIT(25), 1);
/* Read Noise Floor Report */
tmp4b = odm_get_bb_reg(p_dm_odm, 0x8f8, MASKDWORD);
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("Noise Floor Report (0x8f8) = 0x%08x\n", tmp4b));
/* odm_set_bb_reg(p_dm_odm, REG_OFDM_0_XA_AGC_CORE1, MASKBYTE0, TestInitialGain); */
/* if(max_rf_path == 2) */
/* odm_set_bb_reg(p_dm_odm, REG_OFDM_0_XB_AGC_CORE1, MASKBYTE0, TestInitialGain); */
/* update idle time pwer report per 5us */
odm_set_bb_reg(p_dm_odm, REG_FPGA0_TX_GAIN_STAGE, BIT(25), 0);
noise_data.value[ODM_RF_PATH_A] = (u8)(tmp4b & 0xff);
noise_data.value[ODM_RF_PATH_B] = (u8)((tmp4b & 0xff00) >> 8);
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("value_a = 0x%x(%d), value_b = 0x%x(%d)\n",
noise_data.value[ODM_RF_PATH_A], noise_data.value[ODM_RF_PATH_A], noise_data.value[ODM_RF_PATH_B], noise_data.value[ODM_RF_PATH_B]));
for (rf_path = ODM_RF_PATH_A; rf_path < max_rf_path; rf_path++) {
noise_data.sval[rf_path] = (s8)noise_data.value[rf_path];
noise_data.sval[rf_path] /= 2;
}
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("sval_a = %d, sval_b = %d\n",
noise_data.sval[ODM_RF_PATH_A], noise_data.sval[ODM_RF_PATH_B]));
/* ODM_delay_ms(10); */
/* ODM_sleep_ms(10); */
for (rf_path = ODM_RF_PATH_A; rf_path < max_rf_path; rf_path++) {
if ((noise_data.valid_cnt[rf_path] < VALID_CNT) && (noise_data.sval[rf_path] < VALID_MAX && noise_data.sval[rf_path] >= VALID_MIN)) {
noise_data.valid_cnt[rf_path]++;
noise_data.sum[rf_path] += noise_data.sval[rf_path];
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("rf_path:%d Valid sval = %d\n", rf_path, noise_data.sval[rf_path]));
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("Sum of sval = %d,\n", noise_data.sum[rf_path]));
if (noise_data.valid_cnt[rf_path] == VALID_CNT) {
valid_done++;
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("After divided, rf_path:%d,sum = %d\n", rf_path, noise_data.sum[rf_path]));
}
}
}
/* printk("####### valid_done:%d #############\n",valid_done); */
if ((valid_done == max_rf_path) || (odm_get_progressing_time(p_dm_odm, start) > max_time)) {
for (rf_path = ODM_RF_PATH_A; rf_path < max_rf_path; rf_path++) {
/* printk("%s PATH_%d - sum = %d, VALID_CNT = %d\n",__func__,rf_path,noise_data.sum[rf_path], noise_data.valid_cnt[rf_path]); */
if (noise_data.valid_cnt[rf_path])
noise_data.sum[rf_path] /= noise_data.valid_cnt[rf_path];
else
noise_data.sum[rf_path] = 0;
}
break;
}
}
reg_c50 = (u8)odm_get_bb_reg(p_dm_odm, REG_OFDM_0_XA_AGC_CORE1, MASKBYTE0);
reg_c50 &= ~BIT(7);
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("0x%x = 0x%02x(%d)\n", REG_OFDM_0_XA_AGC_CORE1, reg_c50, reg_c50));
p_dm_odm->noise_level.noise[ODM_RF_PATH_A] = (u8)(-110 + reg_c50 + noise_data.sum[ODM_RF_PATH_A]);
p_dm_odm->noise_level.noise_all += p_dm_odm->noise_level.noise[ODM_RF_PATH_A];
if (max_rf_path == 2) {
reg_c58 = (u8)odm_get_bb_reg(p_dm_odm, REG_OFDM_0_XB_AGC_CORE1, MASKBYTE0);
reg_c58 &= ~BIT(7);
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("0x%x = 0x%02x(%d)\n", REG_OFDM_0_XB_AGC_CORE1, reg_c58, reg_c58));
p_dm_odm->noise_level.noise[ODM_RF_PATH_B] = (u8)(-110 + reg_c58 + noise_data.sum[ODM_RF_PATH_B]);
p_dm_odm->noise_level.noise_all += p_dm_odm->noise_level.noise[ODM_RF_PATH_B];
}
p_dm_odm->noise_level.noise_all /= max_rf_path;
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("noise_a = %d, noise_b = %d\n",
p_dm_odm->noise_level.noise[ODM_RF_PATH_A],
p_dm_odm->noise_level.noise[ODM_RF_PATH_B]));
/* */
/* step 4. Recover the Dig */
/* */
if (is_pause_dig)
odm_pause_dig(p_dm_odm, PHYDM_RESUME, PHYDM_PAUSE_LEVEL_1, igi_value);
func_end = odm_get_progressing_time(p_dm_odm, func_start) ;
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("odm_DebugControlInbandNoise_Nseries() <==\n"));
return p_dm_odm->noise_level.noise_all;
}
static s16
odm_inband_noise_monitor_ac_series(struct PHY_DM_STRUCT *p_dm_odm, u8 is_pause_dig, u8 igi_value, u32 max_time
)
{
s32 rxi_buf_anta, rxq_buf_anta; /*rxi_buf_antb, rxq_buf_antb;*/
s32 value32, pwdb_A = 0, sval, noise, sum;
bool pd_flag;
u8 i, valid_cnt;
u64 start = 0, func_start = 0, func_end = 0;
if (!(p_dm_odm->support_ic_type & (ODM_RTL8812 | ODM_RTL8821 | ODM_RTL8814A)))
return 0;
func_start = odm_get_current_time(p_dm_odm);
p_dm_odm->noise_level.noise_all = 0;
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("odm_inband_noise_monitor_ac_series() ==>\n"));
/* step 1. Disable DIG && Set initial gain. */
if (is_pause_dig)
odm_pause_dig(p_dm_odm, PHYDM_PAUSE, PHYDM_PAUSE_LEVEL_1, igi_value);
/* step 2. Disable all power save for read registers */
/*dcmd_DebugControlPowerSave(p_adapter, PSDisable); */
/* step 3. Get noise power level */
start = odm_get_current_time(p_dm_odm);
/* reset counters */
sum = 0;
valid_cnt = 0;
/* step 3. Get noise power level */
while (1) {
/*Set IGI=0x1C */
odm_write_dig(p_dm_odm, 0x1C);
/*stop CK320&CK88 */
odm_set_bb_reg(p_dm_odm, 0x8B4, BIT(6), 1);
/*Read path-A */
odm_set_bb_reg(p_dm_odm, 0x8FC, MASKDWORD, 0x200); /*set debug port*/
value32 = odm_get_bb_reg(p_dm_odm, 0xFA0, MASKDWORD); /*read debug port*/
rxi_buf_anta = (value32 & 0xFFC00) >> 10; /*rxi_buf_anta=RegFA0[19:10]*/
rxq_buf_anta = value32 & 0x3FF; /*rxq_buf_anta=RegFA0[19:10]*/
pd_flag = (bool)((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);
pwdb_A = odm_pwdb_conversion(rxi_buf_anta * rxi_buf_anta + rxq_buf_anta * rxq_buf_anta, 20, 18); /*S(10,9)*S(10,9)=S(20,18)*/
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("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(p_dm_odm, 0x8B4, BIT(6), 0);
/*BB Reset*/
odm_write_1byte(p_dm_odm, 0x02, odm_read_1byte(p_dm_odm, 0x02) & (~BIT(0)));
odm_write_1byte(p_dm_odm, 0x02, odm_read_1byte(p_dm_odm, 0x02) | BIT(0));
/*PMAC Reset*/
odm_write_1byte(p_dm_odm, 0xB03, odm_read_1byte(p_dm_odm, 0xB03) & (~BIT(0)));
odm_write_1byte(p_dm_odm, 0xB03, odm_read_1byte(p_dm_odm, 0xB03) | BIT(0));
/*CCK Reset*/
if (odm_read_1byte(p_dm_odm, 0x80B) & BIT(4)) {
odm_write_1byte(p_dm_odm, 0x80B, odm_read_1byte(p_dm_odm, 0x80B) & (~BIT(4)));
odm_write_1byte(p_dm_odm, 0x80B, odm_read_1byte(p_dm_odm, 0x80B) | BIT(4));
}
sval = pwdb_A;
if (sval < 0 && sval >= -27) {
if (valid_cnt < VALID_CNT) {
valid_cnt++;
sum += sval;
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("Valid sval = %d\n", sval));
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("Sum of sval = %d,\n", sum));
if ((valid_cnt >= VALID_CNT) || (odm_get_progressing_time(p_dm_odm, start) > max_time)) {
sum /= VALID_CNT;
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("After divided, sum = %d\n", sum));
break;
}
}
}
}
/*ADC backoff is 12dB,*/
/*Ptarget=0x1C-110=-82dBm*/
noise = sum + 12 + 0x1C - 110;
/*Offset*/
noise = noise - 3;
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("noise = %d\n", noise));
p_dm_odm->noise_level.noise_all = (s16)noise;
/* step 4. Recover the Dig*/
if (is_pause_dig)
odm_pause_dig(p_dm_odm, PHYDM_RESUME, PHYDM_PAUSE_LEVEL_1, igi_value);
func_end = odm_get_progressing_time(p_dm_odm, func_start);
ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("odm_inband_noise_monitor_ac_series() <==\n"));
return p_dm_odm->noise_level.noise_all;
}
s16
odm_inband_noise_monitor(void *p_dm_void, u8 is_pause_dig, u8 igi_value, u32 max_time)
{
struct PHY_DM_STRUCT *p_dm_odm = (struct PHY_DM_STRUCT *)p_dm_void;
if (p_dm_odm->support_ic_type & ODM_IC_11AC_SERIES)
return odm_inband_noise_monitor_ac_series(p_dm_odm, is_pause_dig, igi_value, max_time);
else
return odm_inband_noise_monitor_n_series(p_dm_odm, is_pause_dig, igi_value, max_time);
}
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