fanotify: disallow mount/sb marks on kernel internal pseudo fs
[sfrench/cifs-2.6.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->num_total_rf_path; eRFPath++) {
25                 switch (bandwidth) {
26                 case HT_CHANNEL_WIDTH_20:
27                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
28                                           0x0b, bMask12Bits, 0x100);
29                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
30                                           0x2c, bMask12Bits, 0x3d7);
31                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
32                                           0x0e, bMask12Bits, 0x021);
33                         break;
34                 case HT_CHANNEL_WIDTH_20_40:
35                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
36                                           0x0b, bMask12Bits, 0x300);
37                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
38                                           0x2c, bMask12Bits, 0x3ff);
39                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
40                                           0x0e, bMask12Bits, 0x0e1);
41                         break;
42                 default:
43                         netdev_err(dev, "%s(): Unknown bandwidth: %#X\n",
44                                    __func__, bandwidth);
45                         break;
46                 }
47         }
48 }
49
50 bool rtl92e_config_rf(struct net_device *dev)
51 {
52         u32     u4RegValue = 0;
53         u8      eRFPath;
54         bool rtStatus = true;
55         struct bb_reg_definition *pPhyReg;
56         struct r8192_priv *priv = rtllib_priv(dev);
57         u32     RegOffSetToBeCheck = 0x3;
58         u32     RegValueToBeCheck = 0x7f1;
59         u32     RF3_Final_Value = 0;
60         u8      ConstRetryTimes = 5, RetryTimes = 5;
61         u8 ret = 0;
62
63         priv->num_total_rf_path = RTL819X_TOTAL_RF_PATH;
64
65         for (eRFPath = (enum rf90_radio_path)RF90_PATH_A;
66              eRFPath < priv->num_total_rf_path; eRFPath++) {
67                 pPhyReg = &priv->phy_reg_def[eRFPath];
68
69                 switch (eRFPath) {
70                 case RF90_PATH_A:
71                         u4RegValue = rtl92e_get_bb_reg(dev, pPhyReg->rfintfs,
72                                                        bRFSI_RFENV);
73                         break;
74                 case RF90_PATH_B:
75                         u4RegValue = rtl92e_get_bb_reg(dev, pPhyReg->rfintfs,
76                                                        bRFSI_RFENV<<16);
77                         break;
78                 }
79
80                 rtl92e_set_bb_reg(dev, pPhyReg->rfintfe, bRFSI_RFENV<<16, 0x1);
81
82                 rtl92e_set_bb_reg(dev, pPhyReg->rfintfo, bRFSI_RFENV, 0x1);
83
84                 rtl92e_set_bb_reg(dev, pPhyReg->rfHSSIPara2,
85                                   b3WireAddressLength, 0x0);
86                 rtl92e_set_bb_reg(dev, pPhyReg->rfHSSIPara2,
87                                   b3WireDataLength, 0x0);
88
89                 rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath, 0x0,
90                                   bMask12Bits, 0xbf);
91
92                 rtStatus = rtl92e_check_bb_and_rf(dev, HW90_BLOCK_RF,
93                                                   (enum rf90_radio_path)eRFPath);
94                 if (!rtStatus) {
95                         netdev_err(dev, "%s(): Failed to check RF Path %d.\n",
96                                    __func__, eRFPath);
97                         goto fail;
98                 }
99
100                 RetryTimes = ConstRetryTimes;
101                 RF3_Final_Value = 0;
102                 while (RF3_Final_Value != RegValueToBeCheck &&
103                        RetryTimes != 0) {
104                         ret = rtl92e_config_rf_path(dev,
105                                                 (enum rf90_radio_path)eRFPath);
106                         RF3_Final_Value = rtl92e_get_rf_reg(dev,
107                                                 (enum rf90_radio_path)eRFPath,
108                                                 RegOffSetToBeCheck,
109                                                 bMask12Bits);
110                         RetryTimes--;
111                 }
112
113                 switch (eRFPath) {
114                 case RF90_PATH_A:
115                         rtl92e_set_bb_reg(dev, pPhyReg->rfintfs, bRFSI_RFENV,
116                                           u4RegValue);
117                         break;
118                 case RF90_PATH_B:
119                         rtl92e_set_bb_reg(dev, pPhyReg->rfintfs,
120                                           bRFSI_RFENV<<16, u4RegValue);
121                         break;
122                 }
123
124                 if (ret) {
125                         netdev_err(dev,
126                                    "%s(): Failed to initialize RF Path %d.\n",
127                                    __func__, eRFPath);
128                         goto fail;
129                 }
130         }
131         return true;
132
133 fail:
134         return false;
135 }
136
137 void rtl92e_set_cck_tx_power(struct net_device *dev, u8 powerlevel)
138 {
139         u32     TxAGC = 0;
140         struct r8192_priv *priv = rtllib_priv(dev);
141
142         TxAGC = powerlevel;
143         if (priv->dynamic_tx_low_pwr) {
144                 if (priv->customer_id == RT_CID_819X_NETCORE)
145                         TxAGC = 0x22;
146                 else
147                         TxAGC += priv->cck_pwr_enl;
148         }
149         if (TxAGC > 0x24)
150                 TxAGC = 0x24;
151         rtl92e_set_bb_reg(dev, rTxAGC_CCK_Mcs32, bTxAGCRateCCK, TxAGC);
152 }
153
154 void rtl92e_set_ofdm_tx_power(struct net_device *dev, u8 powerlevel)
155 {
156         struct r8192_priv *priv = rtllib_priv(dev);
157         u32 writeVal, powerBase0, powerBase1, writeVal_tmp;
158         u8 index = 0;
159         u16 RegOffset[6] = {0xe00, 0xe04, 0xe10, 0xe14, 0xe18, 0xe1c};
160         u8 byte0, byte1, byte2, byte3;
161
162         powerBase0 = powerlevel + priv->legacy_ht_tx_pwr_diff;
163         powerBase0 = (powerBase0 << 24) | (powerBase0 << 16) |
164                      (powerBase0 << 8) | powerBase0;
165         powerBase1 = powerlevel;
166         powerBase1 = (powerBase1 << 24) | (powerBase1 << 16) |
167                      (powerBase1 << 8) | powerBase1;
168
169         for (index = 0; index < 6; index++) {
170                 writeVal = (u32)(priv->mcs_tx_pwr_level_org_offset[index] +
171                            ((index < 2) ? powerBase0 : powerBase1));
172                 byte0 = writeVal & 0x7f;
173                 byte1 = (writeVal & 0x7f00) >> 8;
174                 byte2 = (writeVal & 0x7f0000) >> 16;
175                 byte3 = (writeVal & 0x7f000000) >> 24;
176                 if (byte0 > 0x24)
177                         byte0 = 0x24;
178                 if (byte1 > 0x24)
179                         byte1 = 0x24;
180                 if (byte2 > 0x24)
181                         byte2 = 0x24;
182                 if (byte3 > 0x24)
183                         byte3 = 0x24;
184
185                 if (index == 3) {
186                         writeVal_tmp = (byte3 << 24) | (byte2 << 16) |
187                                        (byte1 << 8) | byte0;
188                         priv->pwr_track = writeVal_tmp;
189                 }
190
191                 if (priv->dynamic_tx_high_pwr)
192                         writeVal = 0x03030303;
193                 else
194                         writeVal = (byte3 << 24) | (byte2 << 16) |
195                                    (byte1 << 8) | byte0;
196                 rtl92e_set_bb_reg(dev, RegOffset[index], 0x7f7f7f7f, writeVal);
197         }
198 }