/******************************************************************************
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*
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* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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*
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******************************************************************************/
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/* ************************************************************
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* include files
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* ************************************************************ */
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#include "mp_precomp.h"
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#include "phydm_precomp.h"
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#include "phydm_noisemonitor.h"
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/* *************************************************
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* This function is for inband noise test utility only
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* To obtain the inband noise level(dbm), do the following.
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* 1. disable DIG and Power Saving
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* 2. Set initial gain = 0x1a
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* 3. Stop updating idle time pwer report (for driver read)
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* - 0x80c[25]
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*
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* ************************************************* */
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#define VALID_MIN -35
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#define VALID_MAX 10
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#define VALID_CNT 5
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#if (DM_ODM_SUPPORT_TYPE & (ODM_CE | ODM_WIN))
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s16 odm_inband_noise_monitor_n_series(struct PHY_DM_STRUCT *p_dm_odm, u8 is_pause_dig, u8 igi_value, u32 max_time)
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{
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u32 tmp4b;
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u8 max_rf_path = 0, rf_path;
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u8 reg_c50, reg_c58, valid_done = 0;
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struct noise_level noise_data;
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u64 start = 0, func_start = 0, func_end = 0;
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func_start = odm_get_current_time(p_dm_odm);
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p_dm_odm->noise_level.noise_all = 0;
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if ((p_dm_odm->rf_type == ODM_1T2R) || (p_dm_odm->rf_type == ODM_2T2R))
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max_rf_path = 2;
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else
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max_rf_path = 1;
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ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("odm_DebugControlInbandNoise_Nseries() ==>\n"));
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odm_memory_set(p_dm_odm, &noise_data, 0, sizeof(struct noise_level));
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/* */
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/* step 1. Disable DIG && Set initial gain. */
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/* */
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if (is_pause_dig)
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odm_pause_dig(p_dm_odm, PHYDM_PAUSE, PHYDM_PAUSE_LEVEL_1, igi_value);
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/* */
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/* step 2. Disable all power save for read registers */
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/* */
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/* dcmd_DebugControlPowerSave(p_adapter, PSDisable); */
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/* */
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/* step 3. Get noise power level */
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/* */
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start = odm_get_current_time(p_dm_odm);
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while (1) {
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/* Stop updating idle time pwer report (for driver read) */
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odm_set_bb_reg(p_dm_odm, REG_FPGA0_TX_GAIN_STAGE, BIT(25), 1);
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/* Read Noise Floor Report */
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tmp4b = odm_get_bb_reg(p_dm_odm, 0x8f8, MASKDWORD);
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ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("Noise Floor Report (0x8f8) = 0x%08x\n", tmp4b));
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/* odm_set_bb_reg(p_dm_odm, REG_OFDM_0_XA_AGC_CORE1, MASKBYTE0, TestInitialGain); */
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/* if(max_rf_path == 2) */
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/* odm_set_bb_reg(p_dm_odm, REG_OFDM_0_XB_AGC_CORE1, MASKBYTE0, TestInitialGain); */
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/* update idle time pwer report per 5us */
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odm_set_bb_reg(p_dm_odm, REG_FPGA0_TX_GAIN_STAGE, BIT(25), 0);
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noise_data.value[ODM_RF_PATH_A] = (u8)(tmp4b & 0xff);
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noise_data.value[ODM_RF_PATH_B] = (u8)((tmp4b & 0xff00) >> 8);
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ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("value_a = 0x%x(%d), value_b = 0x%x(%d)\n",
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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]));
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for (rf_path = ODM_RF_PATH_A; rf_path < max_rf_path; rf_path++) {
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noise_data.sval[rf_path] = (s8)noise_data.value[rf_path];
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noise_data.sval[rf_path] /= 2;
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}
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ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("sval_a = %d, sval_b = %d\n",
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noise_data.sval[ODM_RF_PATH_A], noise_data.sval[ODM_RF_PATH_B]));
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/* ODM_delay_ms(10); */
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/* ODM_sleep_ms(10); */
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for (rf_path = ODM_RF_PATH_A; rf_path < max_rf_path; rf_path++) {
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if ((noise_data.valid_cnt[rf_path] < VALID_CNT) && (noise_data.sval[rf_path] < VALID_MAX && noise_data.sval[rf_path] >= VALID_MIN)) {
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noise_data.valid_cnt[rf_path]++;
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noise_data.sum[rf_path] += noise_data.sval[rf_path];
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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]));
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ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("Sum of sval = %d,\n", noise_data.sum[rf_path]));
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if (noise_data.valid_cnt[rf_path] == VALID_CNT) {
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valid_done++;
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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]));
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}
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}
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}
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/* printk("####### valid_done:%d #############\n",valid_done); */
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if ((valid_done == max_rf_path) || (odm_get_progressing_time(p_dm_odm, start) > max_time)) {
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for (rf_path = ODM_RF_PATH_A; rf_path < max_rf_path; rf_path++) {
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/* printk("%s PATH_%d - sum = %d, VALID_CNT = %d\n",__FUNCTION__,rf_path,noise_data.sum[rf_path], noise_data.valid_cnt[rf_path]); */
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if (noise_data.valid_cnt[rf_path])
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noise_data.sum[rf_path] /= noise_data.valid_cnt[rf_path];
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else
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noise_data.sum[rf_path] = 0;
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}
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break;
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}
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}
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reg_c50 = (u8)odm_get_bb_reg(p_dm_odm, REG_OFDM_0_XA_AGC_CORE1, MASKBYTE0);
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reg_c50 &= ~BIT(7);
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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));
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p_dm_odm->noise_level.noise[ODM_RF_PATH_A] = (u8)(-110 + reg_c50 + noise_data.sum[ODM_RF_PATH_A]);
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p_dm_odm->noise_level.noise_all += p_dm_odm->noise_level.noise[ODM_RF_PATH_A];
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if (max_rf_path == 2) {
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reg_c58 = (u8)odm_get_bb_reg(p_dm_odm, REG_OFDM_0_XB_AGC_CORE1, MASKBYTE0);
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reg_c58 &= ~BIT(7);
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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));
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p_dm_odm->noise_level.noise[ODM_RF_PATH_B] = (u8)(-110 + reg_c58 + noise_data.sum[ODM_RF_PATH_B]);
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p_dm_odm->noise_level.noise_all += p_dm_odm->noise_level.noise[ODM_RF_PATH_B];
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}
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p_dm_odm->noise_level.noise_all /= max_rf_path;
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ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("noise_a = %d, noise_b = %d\n",
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p_dm_odm->noise_level.noise[ODM_RF_PATH_A],
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p_dm_odm->noise_level.noise[ODM_RF_PATH_B]));
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/* */
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/* step 4. Recover the Dig */
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/* */
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if (is_pause_dig)
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odm_pause_dig(p_dm_odm, PHYDM_RESUME, PHYDM_PAUSE_LEVEL_1, igi_value);
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func_end = odm_get_progressing_time(p_dm_odm, func_start) ;
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ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("odm_DebugControlInbandNoise_Nseries() <==\n"));
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return p_dm_odm->noise_level.noise_all;
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}
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s16
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odm_inband_noise_monitor_ac_series(struct PHY_DM_STRUCT *p_dm_odm, u8 is_pause_dig, u8 igi_value, u32 max_time
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)
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{
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s32 rxi_buf_anta, rxq_buf_anta; /*rxi_buf_antb, rxq_buf_antb;*/
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s32 value32, pwdb_A = 0, sval, noise, sum;
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bool pd_flag;
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u8 i, valid_cnt;
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u64 start = 0, func_start = 0, func_end = 0;
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if (!(p_dm_odm->support_ic_type & (ODM_RTL8812 | ODM_RTL8821 | ODM_RTL8814A)))
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return 0;
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func_start = odm_get_current_time(p_dm_odm);
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p_dm_odm->noise_level.noise_all = 0;
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ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("odm_inband_noise_monitor_ac_series() ==>\n"));
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/* step 1. Disable DIG && Set initial gain. */
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if (is_pause_dig)
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odm_pause_dig(p_dm_odm, PHYDM_PAUSE, PHYDM_PAUSE_LEVEL_1, igi_value);
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/* step 2. Disable all power save for read registers */
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/*dcmd_DebugControlPowerSave(p_adapter, PSDisable); */
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/* step 3. Get noise power level */
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start = odm_get_current_time(p_dm_odm);
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/* reset counters */
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sum = 0;
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valid_cnt = 0;
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/* step 3. Get noise power level */
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while (1) {
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/*Set IGI=0x1C */
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odm_write_dig(p_dm_odm, 0x1C);
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/*stop CK320&CK88 */
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odm_set_bb_reg(p_dm_odm, 0x8B4, BIT(6), 1);
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/*Read path-A */
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odm_set_bb_reg(p_dm_odm, 0x8FC, MASKDWORD, 0x200); /*set debug port*/
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value32 = odm_get_bb_reg(p_dm_odm, 0xFA0, MASKDWORD); /*read debug port*/
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rxi_buf_anta = (value32 & 0xFFC00) >> 10; /*rxi_buf_anta=RegFA0[19:10]*/
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rxq_buf_anta = value32 & 0x3FF; /*rxq_buf_anta=RegFA0[19:10]*/
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pd_flag = (bool)((value32 & BIT(31)) >> 31);
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/*Not in packet detection period or Tx state */
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if ((!pd_flag) || (rxi_buf_anta != 0x200)) {
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/*sign conversion*/
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rxi_buf_anta = odm_sign_conversion(rxi_buf_anta, 10);
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rxq_buf_anta = odm_sign_conversion(rxq_buf_anta, 10);
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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)*/
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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));
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}
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/*Start CK320&CK88*/
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odm_set_bb_reg(p_dm_odm, 0x8B4, BIT(6), 0);
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/*BB Reset*/
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odm_write_1byte(p_dm_odm, 0x02, odm_read_1byte(p_dm_odm, 0x02) & (~BIT(0)));
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odm_write_1byte(p_dm_odm, 0x02, odm_read_1byte(p_dm_odm, 0x02) | BIT(0));
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/*PMAC Reset*/
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odm_write_1byte(p_dm_odm, 0xB03, odm_read_1byte(p_dm_odm, 0xB03) & (~BIT(0)));
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odm_write_1byte(p_dm_odm, 0xB03, odm_read_1byte(p_dm_odm, 0xB03) | BIT(0));
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/*CCK Reset*/
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if (odm_read_1byte(p_dm_odm, 0x80B) & BIT(4)) {
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odm_write_1byte(p_dm_odm, 0x80B, odm_read_1byte(p_dm_odm, 0x80B) & (~BIT(4)));
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odm_write_1byte(p_dm_odm, 0x80B, odm_read_1byte(p_dm_odm, 0x80B) | BIT(4));
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}
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sval = pwdb_A;
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if (sval < 0 && sval >= -27) {
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if (valid_cnt < VALID_CNT) {
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valid_cnt++;
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sum += sval;
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ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("Valid sval = %d\n", sval));
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ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("Sum of sval = %d,\n", sum));
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if ((valid_cnt >= VALID_CNT) || (odm_get_progressing_time(p_dm_odm, start) > max_time)) {
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sum /= VALID_CNT;
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ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("After divided, sum = %d\n", sum));
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break;
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}
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}
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}
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}
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/*ADC backoff is 12dB,*/
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/*Ptarget=0x1C-110=-82dBm*/
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noise = sum + 12 + 0x1C - 110;
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/*Offset*/
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noise = noise - 3;
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ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("noise = %d\n", noise));
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p_dm_odm->noise_level.noise_all = (s16)noise;
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/* step 4. Recover the Dig*/
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if (is_pause_dig)
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odm_pause_dig(p_dm_odm, PHYDM_RESUME, PHYDM_PAUSE_LEVEL_1, igi_value);
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func_end = odm_get_progressing_time(p_dm_odm, func_start);
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ODM_RT_TRACE(p_dm_odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("odm_inband_noise_monitor_ac_series() <==\n"));
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return p_dm_odm->noise_level.noise_all;
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}
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s16
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odm_inband_noise_monitor(void *p_dm_void, u8 is_pause_dig, u8 igi_value, u32 max_time)
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{
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struct PHY_DM_STRUCT *p_dm_odm = (struct PHY_DM_STRUCT *)p_dm_void;
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if (p_dm_odm->support_ic_type & ODM_IC_11AC_SERIES)
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return odm_inband_noise_monitor_ac_series(p_dm_odm, is_pause_dig, igi_value, max_time);
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else
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return odm_inband_noise_monitor_n_series(p_dm_odm, is_pause_dig, igi_value, max_time);
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}
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#endif
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