diff options
Diffstat (limited to 'drivers/staging/rtlwifi/phydm/phydm_noisemonitor.c')
| -rw-r--r-- | drivers/staging/rtlwifi/phydm/phydm_noisemonitor.c | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/drivers/staging/rtlwifi/phydm/phydm_noisemonitor.c b/drivers/staging/rtlwifi/phydm/phydm_noisemonitor.c deleted file mode 100644 index 63f52623a8cf..000000000000 --- a/drivers/staging/rtlwifi/phydm/phydm_noisemonitor.c +++ /dev/null @@ -1,319 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/****************************************************************************** - * - * Copyright(c) 2007 - 2016 Realtek Corporation. - * - * 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" -#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 inline void phydm_set_noise_data_sum(struct noise_level *noise_data, - u8 max_rf_path) -{ - u8 rf_path; - - for (rf_path = ODM_RF_PATH_A; rf_path < max_rf_path; 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; - } -} - -static s16 odm_inband_noise_monitor_n_series(struct phy_dm_struct *dm, - 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(dm); - dm->noise_level.noise_all = 0; - - if ((dm->rf_type == ODM_1T2R) || (dm->rf_type == ODM_2T2R)) - max_rf_path = 2; - else - max_rf_path = 1; - - ODM_RT_TRACE(dm, ODM_COMP_COMMON, "%s() ==>\n", __func__); - - 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_value); - /* */ - /* step 2. Disable all power save for read registers */ - /* */ - /* dcmd_DebugControlPowerSave(adapter, PSDisable); */ - - /* */ - /* 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, 0x8f8, MASKDWORD); - ODM_RT_TRACE(dm, ODM_COMP_COMMON, - "Noise Floor Report (0x8f8) = 0x%08x\n", tmp4b); - - /* update idle time pwer report per 5us */ - odm_set_bb_reg(dm, 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(dm, ODM_COMP_COMMON, - "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(dm, ODM_COMP_COMMON, "sval_a = %d, sval_b = %d\n", - noise_data.sval[ODM_RF_PATH_A], - noise_data.sval[ODM_RF_PATH_B]); - - 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)) { - continue; - } - - noise_data.valid_cnt[rf_path]++; - noise_data.sum[rf_path] += noise_data.sval[rf_path]; - ODM_RT_TRACE(dm, ODM_COMP_COMMON, - "rf_path:%d Valid sval = %d\n", rf_path, - noise_data.sval[rf_path]); - ODM_RT_TRACE(dm, ODM_COMP_COMMON, "Sum of sval = %d,\n", - noise_data.sum[rf_path]); - if (noise_data.valid_cnt[rf_path] == VALID_CNT) { - valid_done++; - ODM_RT_TRACE( - dm, ODM_COMP_COMMON, - "After divided, rf_path:%d,sum = %d\n", - rf_path, noise_data.sum[rf_path]); - } - } - - 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); - ODM_RT_TRACE(dm, ODM_COMP_COMMON, "0x%x = 0x%02x(%d)\n", - REG_OFDM_0_XA_AGC_CORE1, reg_c50, reg_c50); - dm->noise_level.noise[ODM_RF_PATH_A] = - (u8)(-110 + reg_c50 + noise_data.sum[ODM_RF_PATH_A]); - dm->noise_level.noise_all += dm->noise_level.noise[ODM_RF_PATH_A]; - - if (max_rf_path == 2) { - reg_c58 = (u8)odm_get_bb_reg(dm, REG_OFDM_0_XB_AGC_CORE1, - MASKBYTE0); - reg_c58 &= ~BIT(7); - ODM_RT_TRACE(dm, ODM_COMP_COMMON, "0x%x = 0x%02x(%d)\n", - REG_OFDM_0_XB_AGC_CORE1, reg_c58, reg_c58); - dm->noise_level.noise[ODM_RF_PATH_B] = - (u8)(-110 + reg_c58 + noise_data.sum[ODM_RF_PATH_B]); - dm->noise_level.noise_all += - dm->noise_level.noise[ODM_RF_PATH_B]; - } - dm->noise_level.noise_all /= max_rf_path; - - ODM_RT_TRACE(dm, ODM_COMP_COMMON, "noise_a = %d, noise_b = %d\n", - dm->noise_level.noise[ODM_RF_PATH_A], - dm->noise_level.noise[ODM_RF_PATH_B]); - - /* */ - /* step 4. Recover the Dig */ - /* */ - if (is_pause_dig) - odm_pause_dig(dm, PHYDM_RESUME, PHYDM_PAUSE_LEVEL_1, igi_value); - func_end = odm_get_progressing_time(dm, func_start); - - ODM_RT_TRACE(dm, ODM_COMP_COMMON, "%s() <==\n", __func__); - return dm->noise_level.noise_all; -} - -static s16 odm_inband_noise_monitor_ac_series(struct phy_dm_struct *dm, - 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 valid_cnt; - u64 start = 0, func_start = 0, func_end = 0; - - 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; - - ODM_RT_TRACE(dm, ODM_COMP_COMMON, "%s() ==>\n", __func__); - - /* step 1. Disable DIG && Set initial gain. */ - if (is_pause_dig) - odm_pause_dig(dm, PHYDM_PAUSE, PHYDM_PAUSE_LEVEL_1, igi_value); - - /* step 2. Disable all power save for read registers */ - /*dcmd_DebugControlPowerSave(adapter, PSDisable); */ - - /* step 3. Get noise power level */ - start = odm_get_current_time(dm); - - /* reset counters */ - sum = 0; - valid_cnt = 0; - - /* step 3. Get noise power level */ - while (1) { - /*Set IGI=0x1C */ - odm_write_dig(dm, 0x1C); - /*stop CK320&CK88 */ - odm_set_bb_reg(dm, 0x8B4, BIT(6), 1); - /*Read path-A */ - odm_set_bb_reg(dm, 0x8FC, MASKDWORD, 0x200); /*set debug port*/ - value32 = odm_get_bb_reg(dm, 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( - dm, ODM_COMP_COMMON, - "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, 0x8B4, BIT(6), 0); - /*BB Reset*/ - odm_write_1byte(dm, 0x02, odm_read_1byte(dm, 0x02) & (~BIT(0))); - odm_write_1byte(dm, 0x02, odm_read_1byte(dm, 0x02) | BIT(0)); - /*PMAC Reset*/ - odm_write_1byte(dm, 0xB03, - odm_read_1byte(dm, 0xB03) & (~BIT(0))); - odm_write_1byte(dm, 0xB03, odm_read_1byte(dm, 0xB03) | BIT(0)); - /*CCK Reset*/ - if (odm_read_1byte(dm, 0x80B) & BIT(4)) { - odm_write_1byte(dm, 0x80B, - odm_read_1byte(dm, 0x80B) & (~BIT(4))); - odm_write_1byte(dm, 0x80B, - odm_read_1byte(dm, 0x80B) | BIT(4)); - } - - sval = pwdb_A; - - if ((sval < 0 && sval >= -27) && (valid_cnt < VALID_CNT)) { - valid_cnt++; - sum += sval; - ODM_RT_TRACE(dm, ODM_COMP_COMMON, "Valid sval = %d\n", - sval); - ODM_RT_TRACE(dm, ODM_COMP_COMMON, "Sum of sval = %d,\n", - sum); - if ((valid_cnt >= VALID_CNT) || - (odm_get_progressing_time(dm, start) > max_time)) { - sum /= VALID_CNT; - ODM_RT_TRACE(dm, ODM_COMP_COMMON, - "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(dm, ODM_COMP_COMMON, "noise = %d\n", noise); - dm->noise_level.noise_all = (s16)noise; - - /* step 4. Recover the Dig*/ - if (is_pause_dig) - odm_pause_dig(dm, PHYDM_RESUME, PHYDM_PAUSE_LEVEL_1, igi_value); - - func_end = odm_get_progressing_time(dm, func_start); - - ODM_RT_TRACE(dm, ODM_COMP_COMMON, "%s() <==\n", __func__); - - return dm->noise_level.noise_all; -} - -s16 odm_inband_noise_monitor(void *dm_void, u8 is_pause_dig, u8 igi_value, - u32 max_time) -{ - struct phy_dm_struct *dm = (struct phy_dm_struct *)dm_void; - - if (dm->support_ic_type & ODM_IC_11AC_SERIES) - return odm_inband_noise_monitor_ac_series(dm, is_pause_dig, - igi_value, max_time); - else - return odm_inband_noise_monitor_n_series(dm, is_pause_dig, - igi_value, max_time); -} |