diff options
Diffstat (limited to 'drivers/staging/rtl8723bs/hal/odm_NoiseMonitor.c')
| -rw-r--r-- | drivers/staging/rtl8723bs/hal/odm_NoiseMonitor.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723bs/hal/odm_NoiseMonitor.c b/drivers/staging/rtl8723bs/hal/odm_NoiseMonitor.c new file mode 100644 index 0000000..6ca7998 --- /dev/null +++ b/drivers/staging/rtl8723bs/hal/odm_NoiseMonitor.c @@ -0,0 +1,167 @@ +// SPDX-License-Identifier: GPL-2.0 +/****************************************************************************** + * + * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. + * + ******************************************************************************/ + +#include "odm_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] */ + +#define Valid_Min -35 +#define Valid_Max 10 +#define ValidCnt 5 + +static s16 odm_InbandNoise_Monitor_NSeries( + PDM_ODM_T pDM_Odm, + u8 bPauseDIG, + u8 IGIValue, + 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; + u32 start = 0, func_start = 0, func_end = 0; + + func_start = jiffies; + pDM_Odm->noise_level.noise_all = 0; + + if ((pDM_Odm->RFType == ODM_1T2R) || (pDM_Odm->RFType == ODM_2T2R)) + max_rf_path = 2; + else + max_rf_path = 1; + + ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("odm_DebugControlInbandNoise_Nseries() ==>\n")); + + memset(&noise_data, 0, sizeof(struct noise_level)); + + /* */ + /* Step 1. Disable DIG && Set initial gain. */ + /* */ + + if (bPauseDIG) + odm_PauseDIG(pDM_Odm, ODM_PAUSE_DIG, IGIValue); + /* */ + /* Step 2. Disable all power save for read registers */ + /* */ + /* dcmd_DebugControlPowerSave(padapter, PSDisable); */ + + /* */ + /* Step 3. Get noise power level */ + /* */ + start = jiffies; + while (1) { + + /* Stop updating idle time pwer report (for driver read) */ + PHY_SetBBReg(pDM_Odm->Adapter, rFPGA0_TxGainStage, BIT25, 1); + + /* Read Noise Floor Report */ + tmp4b = PHY_QueryBBReg(pDM_Odm->Adapter, 0x8f8, bMaskDWord); + ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("Noise Floor Report (0x8f8) = 0x%08x\n", tmp4b)); + + /* PHY_SetBBReg(pDM_Odm->Adapter, rOFDM0_XAAGCCore1, bMaskByte0, TestInitialGain); */ + /* if (max_rf_path == 2) */ + /* PHY_SetBBReg(pDM_Odm->Adapter, rOFDM0_XBAGCCore1, bMaskByte0, TestInitialGain); */ + + /* update idle time pwer report per 5us */ + PHY_SetBBReg(pDM_Odm->Adapter, rFPGA0_TxGainStage, BIT25, 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(pDM_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(pDM_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])); + /* mdelay(10); */ + /* msleep(10); */ + + for (rf_path = ODM_RF_PATH_A; rf_path < max_rf_path; rf_path++) { + if ((noise_data.valid_cnt[rf_path] < ValidCnt) && (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(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("RF_Path:%d Valid sval = %d\n", rf_path, noise_data.sval[rf_path])); + ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("Sum of sval = %d,\n", noise_data.sum[rf_path])); + if (noise_data.valid_cnt[rf_path] == ValidCnt) { + valid_done++; + ODM_RT_TRACE(pDM_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) || (jiffies_to_msecs(jiffies - 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 = (s32)PHY_QueryBBReg(pDM_Odm->Adapter, rOFDM0_XAAGCCore1, bMaskByte0); + reg_c50 &= ~BIT7; + ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("0x%x = 0x%02x(%d)\n", rOFDM0_XAAGCCore1, reg_c50, reg_c50)); + pDM_Odm->noise_level.noise[ODM_RF_PATH_A] = -110 + reg_c50 + noise_data.sum[ODM_RF_PATH_A]; + pDM_Odm->noise_level.noise_all += pDM_Odm->noise_level.noise[ODM_RF_PATH_A]; + + if (max_rf_path == 2) { + reg_c58 = (s32)PHY_QueryBBReg(pDM_Odm->Adapter, rOFDM0_XBAGCCore1, bMaskByte0); + reg_c58 &= ~BIT7; + ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("0x%x = 0x%02x(%d)\n", rOFDM0_XBAGCCore1, reg_c58, reg_c58)); + pDM_Odm->noise_level.noise[ODM_RF_PATH_B] = -110 + reg_c58 + noise_data.sum[ODM_RF_PATH_B]; + pDM_Odm->noise_level.noise_all += pDM_Odm->noise_level.noise[ODM_RF_PATH_B]; + } + pDM_Odm->noise_level.noise_all /= max_rf_path; + + ODM_RT_TRACE( + pDM_Odm, + ODM_COMP_COMMON, + ODM_DBG_LOUD, + ( + "noise_a = %d, noise_b = %d\n", + pDM_Odm->noise_level.noise[ODM_RF_PATH_A], + pDM_Odm->noise_level.noise[ODM_RF_PATH_B] + ) + ); + + /* */ + /* Step 4. Recover the Dig */ + /* */ + if (bPauseDIG) + odm_PauseDIG(pDM_Odm, ODM_RESUME_DIG, IGIValue); + + func_end = jiffies_to_msecs(jiffies - func_start); + /* printk("%s noise_a = %d, noise_b = %d noise_all:%d (%d ms)\n", __func__, */ + /* pDM_Odm->noise_level.noise[ODM_RF_PATH_A], */ + /* pDM_Odm->noise_level.noise[ODM_RF_PATH_B], */ + /* pDM_Odm->noise_level.noise_all, func_end); */ + + ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("odm_DebugControlInbandNoise_Nseries() <==\n")); + return pDM_Odm->noise_level.noise_all; + +} + +s16 ODM_InbandNoise_Monitor(void *pDM_VOID, u8 bPauseDIG, u8 IGIValue, u32 max_time) +{ + return odm_InbandNoise_Monitor_NSeries(pDM_VOID, bPauseDIG, IGIValue, max_time); +} |