vhost-net: switch to smp barriers
[safe/jmp/linux-2.6] / drivers / staging / rtl8192u / r8190_rtl8256.c
1 /*
2   This is part of the rtl8192 driver
3   released under the GPL (See file COPYING for details).
4
5   This files contains programming code for the rtl8256
6   radio frontend.
7
8   *Many* thanks to Realtek Corp. for their great support!
9
10 */
11
12 #include "r8192U.h"
13 #include "r8192U_hw.h"
14 #include "r819xU_phyreg.h"
15 #include "r819xU_phy.h"
16 #include "r8190_rtl8256.h"
17
18 /*--------------------------------------------------------------------------
19  * Overview:    set RF band width (20M or 40M)
20  * Input:       struct net_device*      dev
21  *              WIRELESS_BANDWIDTH_E    Bandwidth       //20M or 40M
22  * Output:      NONE
23  * Return:      NONE
24  * Note:        8226 support both 20M  and 40 MHz
25  *---------------------------------------------------------------------------*/
26 void PHY_SetRF8256Bandwidth(struct net_device* dev , HT_CHANNEL_WIDTH Bandwidth)        //20M or 40M
27 {
28         u8      eRFPath;
29         struct r8192_priv *priv = ieee80211_priv(dev);
30
31         //for(eRFPath = RF90_PATH_A; eRFPath <pHalData->NumTotalRFPath; eRFPath++)
32         for(eRFPath = 0; eRFPath <RF90_PATH_MAX; eRFPath++)
33         {
34                 if (!rtl8192_phy_CheckIsLegalRFPath(dev, eRFPath))
35                                 continue;
36
37                 switch(Bandwidth)
38                 {
39                         case HT_CHANNEL_WIDTH_20:
40                                 if(priv->card_8192_version == VERSION_819xU_A || priv->card_8192_version == VERSION_819xU_B)// 8256 D-cut, E-cut, xiong: consider it later!
41                                 {
42                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x0b, bMask12Bits, 0x100); //phy para:1ba
43                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x2c, bMask12Bits, 0x3d7);
44                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x0e, bMask12Bits, 0x021);
45
46                                         //cosa add for sd3's request 01/23/2008
47                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x14, bMask12Bits, 0x5ab);
48                                 }
49                                 else
50                                 {
51                                         RT_TRACE(COMP_ERR, "PHY_SetRF8256Bandwidth(): unknown hardware version\n");
52                                 }
53
54                                 break;
55                         case HT_CHANNEL_WIDTH_20_40:
56                                 if(priv->card_8192_version == VERSION_819xU_A ||priv->card_8192_version == VERSION_819xU_B)// 8256 D-cut, E-cut, xiong: consider it later!
57                                 {
58                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x0b, bMask12Bits, 0x300); //phy para:3ba
59                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x2c, bMask12Bits, 0x3df);
60                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x0e, bMask12Bits, 0x0a1);
61
62                                         //cosa add for sd3's request 01/23/2008
63                                         if(priv->chan == 3 || priv->chan == 9) //I need to set priv->chan whenever current channel changes
64                                                 rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x14, bMask12Bits, 0x59b);
65                                         else
66                                                 rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x14, bMask12Bits, 0x5ab);
67                                 }
68                                 else
69                                 {
70                                         RT_TRACE(COMP_ERR, "PHY_SetRF8256Bandwidth(): unknown hardware version\n");
71                                 }
72
73
74                                 break;
75                         default:
76                                 RT_TRACE(COMP_ERR, "PHY_SetRF8256Bandwidth(): unknown Bandwidth: %#X\n",Bandwidth );
77                                 break;
78
79                 }
80         }
81         return;
82 }
83 /*--------------------------------------------------------------------------
84  * Overview:    Interface to config 8256
85  * Input:       struct net_device*      dev
86  * Output:      NONE
87  * Return:      NONE
88  *---------------------------------------------------------------------------*/
89 void PHY_RF8256_Config(struct net_device* dev)
90 {
91         struct r8192_priv *priv = ieee80211_priv(dev);
92         // Initialize general global value
93         //
94         // TODO: Extend RF_PATH_C and RF_PATH_D in the future
95         priv->NumTotalRFPath = RTL819X_TOTAL_RF_PATH;
96         // Config BB and RF
97         phy_RF8256_Config_ParaFile(dev);
98
99         return;
100 }
101 /*--------------------------------------------------------------------------
102  * Overview:    Interface to config 8256
103  * Input:       struct net_device*      dev
104  * Output:      NONE
105  * Return:      NONE
106  *---------------------------------------------------------------------------*/
107 void phy_RF8256_Config_ParaFile(struct net_device* dev)
108 {
109         u32     u4RegValue = 0;
110         //static s1Byte                         szRadioAFile[] = RTL819X_PHY_RADIO_A;
111         //static s1Byte                         szRadioBFile[] = RTL819X_PHY_RADIO_B;
112         //static s1Byte                         szRadioCFile[] = RTL819X_PHY_RADIO_C;
113         //static s1Byte                         szRadioDFile[] = RTL819X_PHY_RADIO_D;
114         u8      eRFPath;
115         BB_REGISTER_DEFINITION_T        *pPhyReg;
116         struct r8192_priv *priv = ieee80211_priv(dev);
117         u32     RegOffSetToBeCheck = 0x3;
118         u32     RegValueToBeCheck = 0x7f1;
119         u32     RF3_Final_Value = 0;
120         u8      ConstRetryTimes = 5, RetryTimes = 5;
121         u8 ret = 0;
122         //3//-----------------------------------------------------------------
123         //3// <2> Initialize RF
124         //3//-----------------------------------------------------------------
125         for(eRFPath = (RF90_RADIO_PATH_E)RF90_PATH_A; eRFPath <priv->NumTotalRFPath; eRFPath++)
126         {
127                 if (!rtl8192_phy_CheckIsLegalRFPath(dev, eRFPath))
128                                 continue;
129
130                 pPhyReg = &priv->PHYRegDef[eRFPath];
131
132                 // Joseph test for shorten RF config
133         //      pHalData->RfReg0Value[eRFPath] =  rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, rGlobalCtrl, bMaskDWord);
134
135                 /*----Store original RFENV control type----*/
136                 switch(eRFPath)
137                 {
138                 case RF90_PATH_A:
139                 case RF90_PATH_C:
140                         u4RegValue = rtl8192_QueryBBReg(dev, pPhyReg->rfintfs, bRFSI_RFENV);
141                         break;
142                 case RF90_PATH_B :
143                 case RF90_PATH_D:
144                         u4RegValue = rtl8192_QueryBBReg(dev, pPhyReg->rfintfs, bRFSI_RFENV<<16);
145                         break;
146                 }
147
148                 /*----Set RF_ENV enable----*/
149                 rtl8192_setBBreg(dev, pPhyReg->rfintfe, bRFSI_RFENV<<16, 0x1);
150
151                 /*----Set RF_ENV output high----*/
152                 rtl8192_setBBreg(dev, pPhyReg->rfintfo, bRFSI_RFENV, 0x1);
153
154                 /* Set bit number of Address and Data for RF register */
155                 rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, b3WireAddressLength, 0x0);  // Set 0 to 4 bits for Z-serial and set 1 to 6 bits for 8258
156                 rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, b3WireDataLength, 0x0);     // Set 0 to 12 bits for Z-serial and 8258, and set 1 to 14 bits for ???
157
158                 rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E) eRFPath, 0x0, bMask12Bits, 0xbf);
159
160                 /*----Check RF block (for FPGA platform only)----*/
161                 // TODO: this function should be removed on ASIC , Emily 2007.2.2
162                 if (rtl8192_phy_checkBBAndRF(dev, HW90_BLOCK_RF, (RF90_RADIO_PATH_E)eRFPath))
163                 {
164                         RT_TRACE(COMP_ERR, "PHY_RF8256_Config():Check Radio[%d] Fail!!\n", eRFPath);
165                         goto phy_RF8256_Config_ParaFile_Fail;
166                 }
167
168                 RetryTimes = ConstRetryTimes;
169                 RF3_Final_Value = 0;
170                 /*----Initialize RF fom connfiguration file----*/
171                 switch(eRFPath)
172                 {
173                 case RF90_PATH_A:
174                         while(RF3_Final_Value!=RegValueToBeCheck && RetryTimes!=0)
175                         {
176                                 ret = rtl8192_phy_ConfigRFWithHeaderFile(dev,(RF90_RADIO_PATH_E)eRFPath);
177                                 RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
178                                 RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
179                                 RetryTimes--;
180                         }
181                         break;
182                 case RF90_PATH_B:
183                         while(RF3_Final_Value!=RegValueToBeCheck && RetryTimes!=0)
184                         {
185                                 ret = rtl8192_phy_ConfigRFWithHeaderFile(dev,(RF90_RADIO_PATH_E)eRFPath);
186                                 RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
187                                 RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
188                                 RetryTimes--;
189                         }
190                         break;
191                 case RF90_PATH_C:
192                         while(RF3_Final_Value!=RegValueToBeCheck && RetryTimes!=0)
193                         {
194                                 ret = rtl8192_phy_ConfigRFWithHeaderFile(dev,(RF90_RADIO_PATH_E)eRFPath);
195                                 RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
196                                 RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
197                                 RetryTimes--;
198                         }
199                         break;
200                 case RF90_PATH_D:
201                         while(RF3_Final_Value!=RegValueToBeCheck && RetryTimes!=0)
202                         {
203                                 ret = rtl8192_phy_ConfigRFWithHeaderFile(dev,(RF90_RADIO_PATH_E)eRFPath);
204                                 RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
205                                 RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
206                                 RetryTimes--;
207                         }
208                         break;
209                 }
210
211                 /*----Restore RFENV control type----*/;
212                 switch(eRFPath)
213                 {
214                 case RF90_PATH_A:
215                 case RF90_PATH_C:
216                         rtl8192_setBBreg(dev, pPhyReg->rfintfs, bRFSI_RFENV, u4RegValue);
217                         break;
218                 case RF90_PATH_B :
219                 case RF90_PATH_D:
220                         rtl8192_setBBreg(dev, pPhyReg->rfintfs, bRFSI_RFENV<<16, u4RegValue);
221                         break;
222                 }
223
224                 if(ret){
225                         RT_TRACE(COMP_ERR, "phy_RF8256_Config_ParaFile():Radio[%d] Fail!!", eRFPath);
226                         goto phy_RF8256_Config_ParaFile_Fail;
227                 }
228
229         }
230
231         RT_TRACE(COMP_PHY, "PHY Initialization Success\n") ;
232         return ;
233
234 phy_RF8256_Config_ParaFile_Fail:
235         RT_TRACE(COMP_ERR, "PHY Initialization failed\n") ;
236         return ;
237 }
238
239
240 void PHY_SetRF8256CCKTxPower(struct net_device* dev, u8 powerlevel)
241 {
242         u32     TxAGC=0;
243         struct r8192_priv *priv = ieee80211_priv(dev);
244         //modified by vivi, 20080109
245         TxAGC = powerlevel;
246
247         if(priv->bDynamicTxLowPower == TRUE ) //cosa 05/22/2008 for scan
248         {
249                 if(priv->CustomerID == RT_CID_819x_Netcore)
250                         TxAGC = 0x22;
251                 else
252                 TxAGC += priv->CckPwEnl;
253         }
254
255         if(TxAGC > 0x24)
256                 TxAGC = 0x24;
257         rtl8192_setBBreg(dev, rTxAGC_CCK_Mcs32, bTxAGCRateCCK, TxAGC);
258 }
259
260
261 void PHY_SetRF8256OFDMTxPower(struct net_device* dev, u8 powerlevel)
262 {
263         struct r8192_priv *priv = ieee80211_priv(dev);
264         //Joseph TxPower for 8192 testing
265         u32 writeVal, powerBase0, powerBase1, writeVal_tmp;
266         u8 index = 0;
267         u16 RegOffset[6] = {0xe00, 0xe04, 0xe10, 0xe14, 0xe18, 0xe1c};
268         u8 byte0, byte1, byte2, byte3;
269
270         powerBase0 = powerlevel + priv->TxPowerDiff;    //OFDM rates
271         powerBase0 = (powerBase0<<24) | (powerBase0<<16) |(powerBase0<<8) |powerBase0;
272         powerBase1 = powerlevel;                                                        //MCS rates
273         powerBase1 = (powerBase1<<24) | (powerBase1<<16) |(powerBase1<<8) |powerBase1;
274
275         for(index=0; index<6; index++)
276         {
277                 writeVal = priv->MCSTxPowerLevelOriginalOffset[index] + ((index<2)?powerBase0:powerBase1);
278                 byte0 = (u8)(writeVal & 0x7f);
279                 byte1 = (u8)((writeVal & 0x7f00)>>8);
280                 byte2 = (u8)((writeVal & 0x7f0000)>>16);
281                 byte3 = (u8)((writeVal & 0x7f000000)>>24);
282                 if(byte0 > 0x24)        // Max power index = 0x24
283                         byte0 = 0x24;
284                 if(byte1 > 0x24)
285                         byte1 = 0x24;
286                 if(byte2 > 0x24)
287                         byte2 = 0x24;
288                 if(byte3 > 0x24)
289                         byte3 = 0x24;
290
291                 //for tx power track
292                 if(index == 3)
293                 {
294                         writeVal_tmp = (byte3<<24) | (byte2<<16) |(byte1<<8) |byte0;
295                         priv->Pwr_Track = writeVal_tmp;
296                 }
297
298                 if(priv->bDynamicTxHighPower == TRUE)     //Add by Jacken 2008/03/06
299                 {
300                         // Emily, 20080613. Set low tx power for both MCS and legacy OFDM
301                         writeVal = 0x03030303;
302                 }
303                 else
304                 {
305                         writeVal = (byte3<<24) | (byte2<<16) |(byte1<<8) |byte0;
306                 }
307                 rtl8192_setBBreg(dev, RegOffset[index], 0x7f7f7f7f, writeVal);
308         }
309         return;
310
311 }
312