Linux-libre 5.4.47-gnu
[librecmc/linux-libre.git] / drivers / staging / rtl8192e / rtl8192e / r8190P_rtl8256.c
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
4  *
5  * Contact Information: wlanfae <wlanfae@realtek.com>
6  */
7 #include "rtl_core.h"
8 #include "r8192E_phyreg.h"
9 #include "r8192E_phy.h"
10 #include "r8190P_rtl8256.h"
11
12 void rtl92e_set_bandwidth(struct net_device *dev,
13                           enum ht_channel_width Bandwidth)
14 {
15         u8      eRFPath;
16         struct r8192_priv *priv = rtllib_priv(dev);
17
18         if (priv->card_8192_version != VERSION_8190_BD &&
19             priv->card_8192_version != VERSION_8190_BE) {
20                 netdev_warn(dev, "%s(): Unknown HW version.\n", __func__);
21                 return;
22         }
23
24         for (eRFPath = 0; eRFPath < priv->NumTotalRFPath; eRFPath++) {
25                 if (!rtl92e_is_legal_rf_path(dev, eRFPath))
26                         continue;
27
28                 switch (Bandwidth) {
29                 case HT_CHANNEL_WIDTH_20:
30                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
31                                           0x0b, bMask12Bits, 0x100);
32                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
33                                           0x2c, bMask12Bits, 0x3d7);
34                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
35                                           0x0e, bMask12Bits, 0x021);
36                         break;
37                 case HT_CHANNEL_WIDTH_20_40:
38                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
39                                           0x0b, bMask12Bits, 0x300);
40                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
41                                           0x2c, bMask12Bits, 0x3ff);
42                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
43                                           0x0e, bMask12Bits, 0x0e1);
44                         break;
45                 default:
46                         netdev_err(dev, "%s(): Unknown bandwidth: %#X\n",
47                                    __func__, Bandwidth);
48                         break;
49
50                 }
51         }
52 }
53
54 bool rtl92e_config_rf(struct net_device *dev)
55 {
56         u32     u4RegValue = 0;
57         u8      eRFPath;
58         bool rtStatus = true;
59         struct bb_reg_definition *pPhyReg;
60         struct r8192_priv *priv = rtllib_priv(dev);
61         u32     RegOffSetToBeCheck = 0x3;
62         u32     RegValueToBeCheck = 0x7f1;
63         u32     RF3_Final_Value = 0;
64         u8      ConstRetryTimes = 5, RetryTimes = 5;
65         u8 ret = 0;
66
67         priv->NumTotalRFPath = RTL819X_TOTAL_RF_PATH;
68
69         for (eRFPath = (enum rf90_radio_path)RF90_PATH_A;
70              eRFPath < priv->NumTotalRFPath; eRFPath++) {
71                 if (!rtl92e_is_legal_rf_path(dev, eRFPath))
72                         continue;
73
74                 pPhyReg = &priv->PHYRegDef[eRFPath];
75
76
77                 switch (eRFPath) {
78                 case RF90_PATH_A:
79                 case RF90_PATH_C:
80                         u4RegValue = rtl92e_get_bb_reg(dev, pPhyReg->rfintfs,
81                                                        bRFSI_RFENV);
82                         break;
83                 case RF90_PATH_B:
84                 case RF90_PATH_D:
85                         u4RegValue = rtl92e_get_bb_reg(dev, pPhyReg->rfintfs,
86                                                        bRFSI_RFENV<<16);
87                         break;
88                 }
89
90                 rtl92e_set_bb_reg(dev, pPhyReg->rfintfe, bRFSI_RFENV<<16, 0x1);
91
92                 rtl92e_set_bb_reg(dev, pPhyReg->rfintfo, bRFSI_RFENV, 0x1);
93
94                 rtl92e_set_bb_reg(dev, pPhyReg->rfHSSIPara2,
95                                   b3WireAddressLength, 0x0);
96                 rtl92e_set_bb_reg(dev, pPhyReg->rfHSSIPara2,
97                                   b3WireDataLength, 0x0);
98
99                 rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath, 0x0,
100                                   bMask12Bits, 0xbf);
101
102                 rtStatus = rtl92e_check_bb_and_rf(dev, HW90_BLOCK_RF,
103                                                   (enum rf90_radio_path)eRFPath);
104                 if (!rtStatus) {
105                         netdev_err(dev, "%s(): Failed to check RF Path %d.\n",
106                                    __func__, eRFPath);
107                         goto fail;
108                 }
109
110                 RetryTimes = ConstRetryTimes;
111                 RF3_Final_Value = 0;
112                 while (RF3_Final_Value != RegValueToBeCheck &&
113                        RetryTimes != 0) {
114                         ret = rtl92e_config_rf_path(dev,
115                                                 (enum rf90_radio_path)eRFPath);
116                         RF3_Final_Value = rtl92e_get_rf_reg(dev,
117                                                 (enum rf90_radio_path)eRFPath,
118                                                 RegOffSetToBeCheck,
119                                                 bMask12Bits);
120                         RT_TRACE(COMP_RF,
121                                  "RF %d %d register final value: %x\n",
122                                  eRFPath, RegOffSetToBeCheck,
123                                  RF3_Final_Value);
124                         RetryTimes--;
125                 }
126
127                 switch (eRFPath) {
128                 case RF90_PATH_A:
129                 case RF90_PATH_C:
130                         rtl92e_set_bb_reg(dev, pPhyReg->rfintfs, bRFSI_RFENV,
131                                           u4RegValue);
132                         break;
133                 case RF90_PATH_B:
134                 case RF90_PATH_D:
135                         rtl92e_set_bb_reg(dev, pPhyReg->rfintfs,
136                                           bRFSI_RFENV<<16, u4RegValue);
137                         break;
138                 }
139
140                 if (ret) {
141                         netdev_err(dev,
142                                    "%s(): Failed to initialize RF Path %d.\n",
143                                    __func__, eRFPath);
144                         goto fail;
145                 }
146
147         }
148
149         RT_TRACE(COMP_PHY, "PHY Initialization Success\n");
150         return true;
151
152 fail:
153         return false;
154 }
155
156 void rtl92e_set_cck_tx_power(struct net_device *dev, u8 powerlevel)
157 {
158         u32     TxAGC = 0;
159         struct r8192_priv *priv = rtllib_priv(dev);
160
161         TxAGC = powerlevel;
162         if (priv->bDynamicTxLowPower) {
163                 if (priv->CustomerID == RT_CID_819x_Netcore)
164                         TxAGC = 0x22;
165                 else
166                         TxAGC += priv->CckPwEnl;
167         }
168         if (TxAGC > 0x24)
169                 TxAGC = 0x24;
170         rtl92e_set_bb_reg(dev, rTxAGC_CCK_Mcs32, bTxAGCRateCCK, TxAGC);
171 }
172
173
174 void rtl92e_set_ofdm_tx_power(struct net_device *dev, u8 powerlevel)
175 {
176         struct r8192_priv *priv = rtllib_priv(dev);
177         u32 writeVal, powerBase0, powerBase1, writeVal_tmp;
178         u8 index = 0;
179         u16 RegOffset[6] = {0xe00, 0xe04, 0xe10, 0xe14, 0xe18, 0xe1c};
180         u8 byte0, byte1, byte2, byte3;
181
182         powerBase0 = powerlevel + priv->LegacyHTTxPowerDiff;
183         powerBase0 = (powerBase0 << 24) | (powerBase0 << 16) |
184                      (powerBase0 << 8) | powerBase0;
185         powerBase1 = powerlevel;
186         powerBase1 = (powerBase1 << 24) | (powerBase1 << 16) |
187                      (powerBase1 << 8) | powerBase1;
188
189         for (index = 0; index < 6; index++) {
190                 writeVal = (u32)(priv->MCSTxPowerLevelOriginalOffset[index] +
191                            ((index < 2) ? powerBase0 : powerBase1));
192                 byte0 = (u8)(writeVal & 0x7f);
193                 byte1 = (u8)((writeVal & 0x7f00)>>8);
194                 byte2 = (u8)((writeVal & 0x7f0000)>>16);
195                 byte3 = (u8)((writeVal & 0x7f000000)>>24);
196                 if (byte0 > 0x24)
197                         byte0 = 0x24;
198                 if (byte1 > 0x24)
199                         byte1 = 0x24;
200                 if (byte2 > 0x24)
201                         byte2 = 0x24;
202                 if (byte3 > 0x24)
203                         byte3 = 0x24;
204
205                 if (index == 3) {
206                         writeVal_tmp = (byte3 << 24) | (byte2 << 16) |
207                                        (byte1 << 8) | byte0;
208                         priv->Pwr_Track = writeVal_tmp;
209                 }
210
211                 if (priv->bDynamicTxHighPower)
212                         writeVal = 0x03030303;
213                 else
214                         writeVal = (byte3 << 24) | (byte2 << 16) |
215                                    (byte1 << 8) | byte0;
216                 rtl92e_set_bb_reg(dev, RegOffset[index], 0x7f7f7f7f, writeVal);
217         }
218
219 }