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  *---------------------------------------------------------------------------*/
PHY_SetRF8256Bandwidth(struct net_device * dev,HT_CHANNEL_WIDTH Bandwidth)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  *---------------------------------------------------------------------------*/
PHY_RF8256_Config(struct net_device * dev)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  *---------------------------------------------------------------------------*/
phy_RF8256_Config_ParaFile(struct net_device * dev)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 
PHY_SetRF8256CCKTxPower(struct net_device * dev,u8 powerlevel)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 
PHY_SetRF8256OFDMTxPower(struct net_device * dev,u8 powerlevel)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 
313