1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3 *
4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5 *
6 ******************************************************************************/
7
8 #include "odm_precomp.h"
9
10 /* This function is for inband noise test utility only */
11 /* To obtain the inband noise level(dbm), do the following. */
12 /* 1. disable DIG and Power Saving */
13 /* 2. Set initial gain = 0x1a */
14 /* 3. Stop updating idle time pwer report (for driver read) */
15 /* - 0x80c[25] */
16
17 #define Valid_Min -35
18 #define Valid_Max 10
19 #define ValidCnt 5
20
odm_InbandNoise_Monitor_NSeries(struct dm_odm_t * pDM_Odm,u8 bPauseDIG,u8 IGIValue,u32 max_time)21 static s16 odm_InbandNoise_Monitor_NSeries(
22 struct dm_odm_t *pDM_Odm,
23 u8 bPauseDIG,
24 u8 IGIValue,
25 u32 max_time
26 )
27 {
28 u32 tmp4b;
29 u8 max_rf_path = 0, rf_path;
30 u8 reg_c50, reg_c58, valid_done = 0;
31 struct noise_level noise_data;
32 u32 start = 0, func_start = 0, func_end = 0;
33
34 func_start = jiffies;
35 pDM_Odm->noise_level.noise_all = 0;
36
37 if ((pDM_Odm->RFType == ODM_1T2R) || (pDM_Odm->RFType == ODM_2T2R))
38 max_rf_path = 2;
39 else
40 max_rf_path = 1;
41
42 ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("odm_DebugControlInbandNoise_Nseries() ==>\n"));
43
44 memset(&noise_data, 0, sizeof(struct noise_level));
45
46 /* */
47 /* Step 1. Disable DIG && Set initial gain. */
48 /* */
49
50 if (bPauseDIG)
51 odm_PauseDIG(pDM_Odm, ODM_PAUSE_DIG, IGIValue);
52 /* */
53 /* Step 2. Disable all power save for read registers */
54 /* */
55 /* dcmd_DebugControlPowerSave(padapter, PSDisable); */
56
57 /* */
58 /* Step 3. Get noise power level */
59 /* */
60 start = jiffies;
61 while (1) {
62
63 /* Stop updating idle time pwer report (for driver read) */
64 PHY_SetBBReg(pDM_Odm->Adapter, rFPGA0_TxGainStage, BIT25, 1);
65
66 /* Read Noise Floor Report */
67 tmp4b = PHY_QueryBBReg(pDM_Odm->Adapter, 0x8f8, bMaskDWord);
68 ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("Noise Floor Report (0x8f8) = 0x%08x\n", tmp4b));
69
70 /* PHY_SetBBReg(pDM_Odm->Adapter, rOFDM0_XAAGCCore1, bMaskByte0, TestInitialGain); */
71 /* if (max_rf_path == 2) */
72 /* PHY_SetBBReg(pDM_Odm->Adapter, rOFDM0_XBAGCCore1, bMaskByte0, TestInitialGain); */
73
74 /* update idle time pwer report per 5us */
75 PHY_SetBBReg(pDM_Odm->Adapter, rFPGA0_TxGainStage, BIT25, 0);
76
77 noise_data.value[ODM_RF_PATH_A] = (u8)(tmp4b&0xff);
78 noise_data.value[ODM_RF_PATH_B] = (u8)((tmp4b&0xff00)>>8);
79
80 ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("value_a = 0x%x(%d), value_b = 0x%x(%d)\n",
81 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]));
82
83 for (rf_path = ODM_RF_PATH_A; rf_path < max_rf_path; rf_path++) {
84 noise_data.sval[rf_path] = (s8)noise_data.value[rf_path];
85 noise_data.sval[rf_path] /= 2;
86 }
87
88
89 ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("sval_a = %d, sval_b = %d\n",
90 noise_data.sval[ODM_RF_PATH_A], noise_data.sval[ODM_RF_PATH_B]));
91 /* mdelay(10); */
92 /* msleep(10); */
93
94 for (rf_path = ODM_RF_PATH_A; rf_path < max_rf_path; rf_path++) {
95 if ((noise_data.valid_cnt[rf_path] < ValidCnt) && (noise_data.sval[rf_path] < Valid_Max && noise_data.sval[rf_path] >= Valid_Min)) {
96 noise_data.valid_cnt[rf_path]++;
97 noise_data.sum[rf_path] += noise_data.sval[rf_path];
98 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]));
99 ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("Sum of sval = %d,\n", noise_data.sum[rf_path]));
100 if (noise_data.valid_cnt[rf_path] == ValidCnt) {
101 valid_done++;
102 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]));
103 }
104
105 }
106
107 }
108
109 /* printk("####### valid_done:%d #############\n", valid_done); */
110 if ((valid_done == max_rf_path) || (jiffies_to_msecs(jiffies - start) > max_time)) {
111 for (rf_path = ODM_RF_PATH_A; rf_path < max_rf_path; rf_path++) {
112 /* printk("%s PATH_%d - sum = %d, valid_cnt = %d\n", __func__, rf_path, noise_data.sum[rf_path], noise_data.valid_cnt[rf_path]); */
113 if (noise_data.valid_cnt[rf_path])
114 noise_data.sum[rf_path] /= noise_data.valid_cnt[rf_path];
115 else
116 noise_data.sum[rf_path] = 0;
117 }
118 break;
119 }
120 }
121 reg_c50 = (s32)PHY_QueryBBReg(pDM_Odm->Adapter, rOFDM0_XAAGCCore1, bMaskByte0);
122 reg_c50 &= ~BIT7;
123 ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("0x%x = 0x%02x(%d)\n", rOFDM0_XAAGCCore1, reg_c50, reg_c50));
124 pDM_Odm->noise_level.noise[ODM_RF_PATH_A] = -110 + reg_c50 + noise_data.sum[ODM_RF_PATH_A];
125 pDM_Odm->noise_level.noise_all += pDM_Odm->noise_level.noise[ODM_RF_PATH_A];
126
127 if (max_rf_path == 2) {
128 reg_c58 = (s32)PHY_QueryBBReg(pDM_Odm->Adapter, rOFDM0_XBAGCCore1, bMaskByte0);
129 reg_c58 &= ~BIT7;
130 ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("0x%x = 0x%02x(%d)\n", rOFDM0_XBAGCCore1, reg_c58, reg_c58));
131 pDM_Odm->noise_level.noise[ODM_RF_PATH_B] = -110 + reg_c58 + noise_data.sum[ODM_RF_PATH_B];
132 pDM_Odm->noise_level.noise_all += pDM_Odm->noise_level.noise[ODM_RF_PATH_B];
133 }
134 pDM_Odm->noise_level.noise_all /= max_rf_path;
135
136 ODM_RT_TRACE(
137 pDM_Odm,
138 ODM_COMP_COMMON,
139 ODM_DBG_LOUD,
140 (
141 "noise_a = %d, noise_b = %d\n",
142 pDM_Odm->noise_level.noise[ODM_RF_PATH_A],
143 pDM_Odm->noise_level.noise[ODM_RF_PATH_B]
144 )
145 );
146
147 /* */
148 /* Step 4. Recover the Dig */
149 /* */
150 if (bPauseDIG)
151 odm_PauseDIG(pDM_Odm, ODM_RESUME_DIG, IGIValue);
152
153 func_end = jiffies_to_msecs(jiffies - func_start);
154 /* printk("%s noise_a = %d, noise_b = %d noise_all:%d (%d ms)\n", __func__, */
155 /* pDM_Odm->noise_level.noise[ODM_RF_PATH_A], */
156 /* pDM_Odm->noise_level.noise[ODM_RF_PATH_B], */
157 /* pDM_Odm->noise_level.noise_all, func_end); */
158
159 ODM_RT_TRACE(pDM_Odm, ODM_COMP_COMMON, ODM_DBG_LOUD, ("odm_DebugControlInbandNoise_Nseries() <==\n"));
160 return pDM_Odm->noise_level.noise_all;
161
162 }
163
ODM_InbandNoise_Monitor(void * pDM_VOID,u8 bPauseDIG,u8 IGIValue,u32 max_time)164 s16 ODM_InbandNoise_Monitor(void *pDM_VOID, u8 bPauseDIG, u8 IGIValue, u32 max_time)
165 {
166 return odm_InbandNoise_Monitor_NSeries(pDM_VOID, bPauseDIG, IGIValue, max_time);
167 }
168