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 <linux/bitops.h>
8 #include "rtl_core.h"
9 #include "r8192E_hw.h"
10 #include "r8192E_phyreg.h"
11 #include "r8190P_rtl8256.h"
12 #include "r8192E_phy.h"
13 #include "rtl_dm.h"
14
15 #include "r8192E_hwimg.h"
16
17 static u32 RF_CHANNEL_TABLE_ZEBRA[] = {
18 0,
19 0x085c,
20 0x08dc,
21 0x095c,
22 0x09dc,
23 0x0a5c,
24 0x0adc,
25 0x0b5c,
26 0x0bdc,
27 0x0c5c,
28 0x0cdc,
29 0x0d5c,
30 0x0ddc,
31 0x0e5c,
32 0x0f72,
33 };
34
35 /*************************Define local function prototype**********************/
36
37 static u32 _rtl92e_phy_rf_fw_read(struct net_device *dev,
38 enum rf90_radio_path eRFPath, u32 Offset);
39 static void _rtl92e_phy_rf_fw_write(struct net_device *dev,
40 enum rf90_radio_path eRFPath, u32 Offset,
41 u32 Data);
42
_rtl92e_calculate_bit_shift(u32 dwBitMask)43 static u32 _rtl92e_calculate_bit_shift(u32 dwBitMask)
44 {
45 if (!dwBitMask)
46 return 32;
47 return ffs(dwBitMask) - 1;
48 }
49
rtl92e_is_legal_rf_path(struct net_device * dev,u32 eRFPath)50 u8 rtl92e_is_legal_rf_path(struct net_device *dev, u32 eRFPath)
51 {
52 u8 ret = 1;
53 struct r8192_priv *priv = rtllib_priv(dev);
54
55 if (priv->rf_type == RF_2T4R)
56 ret = 0;
57 else if (priv->rf_type == RF_1T2R) {
58 if (eRFPath == RF90_PATH_A || eRFPath == RF90_PATH_B)
59 ret = 1;
60 else if (eRFPath == RF90_PATH_C || eRFPath == RF90_PATH_D)
61 ret = 0;
62 }
63 return ret;
64 }
65
rtl92e_set_bb_reg(struct net_device * dev,u32 dwRegAddr,u32 dwBitMask,u32 dwData)66 void rtl92e_set_bb_reg(struct net_device *dev, u32 dwRegAddr, u32 dwBitMask,
67 u32 dwData)
68 {
69
70 u32 OriginalValue, BitShift, NewValue;
71
72 if (dwBitMask != bMaskDWord) {
73 OriginalValue = rtl92e_readl(dev, dwRegAddr);
74 BitShift = _rtl92e_calculate_bit_shift(dwBitMask);
75 NewValue = (OriginalValue & ~dwBitMask) | (dwData << BitShift);
76 rtl92e_writel(dev, dwRegAddr, NewValue);
77 } else
78 rtl92e_writel(dev, dwRegAddr, dwData);
79 }
80
rtl92e_get_bb_reg(struct net_device * dev,u32 dwRegAddr,u32 dwBitMask)81 u32 rtl92e_get_bb_reg(struct net_device *dev, u32 dwRegAddr, u32 dwBitMask)
82 {
83 u32 OriginalValue, BitShift;
84
85 OriginalValue = rtl92e_readl(dev, dwRegAddr);
86 BitShift = _rtl92e_calculate_bit_shift(dwBitMask);
87
88 return (OriginalValue & dwBitMask) >> BitShift;
89 }
90
_rtl92e_phy_rf_read(struct net_device * dev,enum rf90_radio_path eRFPath,u32 Offset)91 static u32 _rtl92e_phy_rf_read(struct net_device *dev,
92 enum rf90_radio_path eRFPath, u32 Offset)
93 {
94 struct r8192_priv *priv = rtllib_priv(dev);
95 u32 ret = 0;
96 u32 NewOffset = 0;
97 struct bb_reg_definition *pPhyReg = &priv->PHYRegDef[eRFPath];
98
99 Offset &= 0x3f;
100
101 if (priv->rf_chip == RF_8256) {
102 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter4, 0xf00, 0x0);
103 if (Offset >= 31) {
104 priv->RfReg0Value[eRFPath] |= 0x140;
105 rtl92e_set_bb_reg(dev, pPhyReg->rf3wireOffset,
106 bMaskDWord,
107 (priv->RfReg0Value[eRFPath]<<16));
108 NewOffset = Offset - 30;
109 } else if (Offset >= 16) {
110 priv->RfReg0Value[eRFPath] |= 0x100;
111 priv->RfReg0Value[eRFPath] &= (~0x40);
112 rtl92e_set_bb_reg(dev, pPhyReg->rf3wireOffset,
113 bMaskDWord,
114 (priv->RfReg0Value[eRFPath]<<16));
115
116 NewOffset = Offset - 15;
117 } else
118 NewOffset = Offset;
119 } else {
120 RT_TRACE((COMP_PHY|COMP_ERR),
121 "check RF type here, need to be 8256\n");
122 NewOffset = Offset;
123 }
124 rtl92e_set_bb_reg(dev, pPhyReg->rfHSSIPara2, bLSSIReadAddress,
125 NewOffset);
126 rtl92e_set_bb_reg(dev, pPhyReg->rfHSSIPara2, bLSSIReadEdge, 0x0);
127 rtl92e_set_bb_reg(dev, pPhyReg->rfHSSIPara2, bLSSIReadEdge, 0x1);
128
129 mdelay(1);
130
131 ret = rtl92e_get_bb_reg(dev, pPhyReg->rfLSSIReadBack,
132 bLSSIReadBackData);
133
134 if (priv->rf_chip == RF_8256) {
135 priv->RfReg0Value[eRFPath] &= 0xebf;
136
137 rtl92e_set_bb_reg(dev, pPhyReg->rf3wireOffset, bMaskDWord,
138 (priv->RfReg0Value[eRFPath] << 16));
139
140 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter4, 0x300, 0x3);
141 }
142
143
144 return ret;
145
146 }
147
_rtl92e_phy_rf_write(struct net_device * dev,enum rf90_radio_path eRFPath,u32 Offset,u32 Data)148 static void _rtl92e_phy_rf_write(struct net_device *dev,
149 enum rf90_radio_path eRFPath, u32 Offset,
150 u32 Data)
151 {
152 struct r8192_priv *priv = rtllib_priv(dev);
153 u32 DataAndAddr = 0, NewOffset = 0;
154 struct bb_reg_definition *pPhyReg = &priv->PHYRegDef[eRFPath];
155
156 Offset &= 0x3f;
157 if (priv->rf_chip == RF_8256) {
158 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter4, 0xf00, 0x0);
159
160 if (Offset >= 31) {
161 priv->RfReg0Value[eRFPath] |= 0x140;
162 rtl92e_set_bb_reg(dev, pPhyReg->rf3wireOffset,
163 bMaskDWord,
164 (priv->RfReg0Value[eRFPath] << 16));
165 NewOffset = Offset - 30;
166 } else if (Offset >= 16) {
167 priv->RfReg0Value[eRFPath] |= 0x100;
168 priv->RfReg0Value[eRFPath] &= (~0x40);
169 rtl92e_set_bb_reg(dev, pPhyReg->rf3wireOffset,
170 bMaskDWord,
171 (priv->RfReg0Value[eRFPath] << 16));
172 NewOffset = Offset - 15;
173 } else
174 NewOffset = Offset;
175 } else {
176 RT_TRACE((COMP_PHY|COMP_ERR),
177 "check RF type here, need to be 8256\n");
178 NewOffset = Offset;
179 }
180
181 DataAndAddr = (NewOffset & 0x3f) | (Data << 16);
182
183 rtl92e_set_bb_reg(dev, pPhyReg->rf3wireOffset, bMaskDWord, DataAndAddr);
184
185 if (Offset == 0x0)
186 priv->RfReg0Value[eRFPath] = Data;
187
188 if (priv->rf_chip == RF_8256) {
189 if (Offset != 0) {
190 priv->RfReg0Value[eRFPath] &= 0xebf;
191 rtl92e_set_bb_reg(dev, pPhyReg->rf3wireOffset,
192 bMaskDWord,
193 (priv->RfReg0Value[eRFPath] << 16));
194 }
195 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter4, 0x300, 0x3);
196 }
197 }
198
rtl92e_set_rf_reg(struct net_device * dev,enum rf90_radio_path eRFPath,u32 RegAddr,u32 BitMask,u32 Data)199 void rtl92e_set_rf_reg(struct net_device *dev, enum rf90_radio_path eRFPath,
200 u32 RegAddr, u32 BitMask, u32 Data)
201 {
202 struct r8192_priv *priv = rtllib_priv(dev);
203 u32 Original_Value, BitShift, New_Value;
204
205 if (!rtl92e_is_legal_rf_path(dev, eRFPath))
206 return;
207 if (priv->rtllib->eRFPowerState != eRfOn && !priv->being_init_adapter)
208 return;
209
210 RT_TRACE(COMP_PHY, "FW RF CTRL is not ready now\n");
211 if (priv->Rf_Mode == RF_OP_By_FW) {
212 if (BitMask != bMask12Bits) {
213 Original_Value = _rtl92e_phy_rf_fw_read(dev, eRFPath,
214 RegAddr);
215 BitShift = _rtl92e_calculate_bit_shift(BitMask);
216 New_Value = (Original_Value & ~BitMask) | (Data << BitShift);
217
218 _rtl92e_phy_rf_fw_write(dev, eRFPath, RegAddr,
219 New_Value);
220 } else
221 _rtl92e_phy_rf_fw_write(dev, eRFPath, RegAddr, Data);
222 udelay(200);
223
224 } else {
225 if (BitMask != bMask12Bits) {
226 Original_Value = _rtl92e_phy_rf_read(dev, eRFPath,
227 RegAddr);
228 BitShift = _rtl92e_calculate_bit_shift(BitMask);
229 New_Value = (Original_Value & ~BitMask) | (Data << BitShift);
230
231 _rtl92e_phy_rf_write(dev, eRFPath, RegAddr, New_Value);
232 } else
233 _rtl92e_phy_rf_write(dev, eRFPath, RegAddr, Data);
234 }
235 }
236
rtl92e_get_rf_reg(struct net_device * dev,enum rf90_radio_path eRFPath,u32 RegAddr,u32 BitMask)237 u32 rtl92e_get_rf_reg(struct net_device *dev, enum rf90_radio_path eRFPath,
238 u32 RegAddr, u32 BitMask)
239 {
240 u32 Original_Value, Readback_Value, BitShift;
241 struct r8192_priv *priv = rtllib_priv(dev);
242
243 if (!rtl92e_is_legal_rf_path(dev, eRFPath))
244 return 0;
245 if (priv->rtllib->eRFPowerState != eRfOn && !priv->being_init_adapter)
246 return 0;
247 mutex_lock(&priv->rf_mutex);
248 if (priv->Rf_Mode == RF_OP_By_FW) {
249 Original_Value = _rtl92e_phy_rf_fw_read(dev, eRFPath, RegAddr);
250 udelay(200);
251 } else {
252 Original_Value = _rtl92e_phy_rf_read(dev, eRFPath, RegAddr);
253 }
254 BitShift = _rtl92e_calculate_bit_shift(BitMask);
255 Readback_Value = (Original_Value & BitMask) >> BitShift;
256 mutex_unlock(&priv->rf_mutex);
257 return Readback_Value;
258 }
259
_rtl92e_phy_rf_fw_read(struct net_device * dev,enum rf90_radio_path eRFPath,u32 Offset)260 static u32 _rtl92e_phy_rf_fw_read(struct net_device *dev,
261 enum rf90_radio_path eRFPath, u32 Offset)
262 {
263 u32 Data = 0;
264 u8 time = 0;
265
266 Data |= ((Offset & 0xFF) << 12);
267 Data |= ((eRFPath & 0x3) << 20);
268 Data |= 0x80000000;
269 while (rtl92e_readl(dev, QPNR) & 0x80000000) {
270 if (time++ < 100)
271 udelay(10);
272 else
273 break;
274 }
275 rtl92e_writel(dev, QPNR, Data);
276 while (rtl92e_readl(dev, QPNR) & 0x80000000) {
277 if (time++ < 100)
278 udelay(10);
279 else
280 return 0;
281 }
282 return rtl92e_readl(dev, RF_DATA);
283
284 }
285
_rtl92e_phy_rf_fw_write(struct net_device * dev,enum rf90_radio_path eRFPath,u32 Offset,u32 Data)286 static void _rtl92e_phy_rf_fw_write(struct net_device *dev,
287 enum rf90_radio_path eRFPath, u32 Offset,
288 u32 Data)
289 {
290 u8 time = 0;
291
292 Data |= ((Offset & 0xFF) << 12);
293 Data |= ((eRFPath & 0x3) << 20);
294 Data |= 0x400000;
295 Data |= 0x80000000;
296
297 while (rtl92e_readl(dev, QPNR) & 0x80000000) {
298 if (time++ < 100)
299 udelay(10);
300 else
301 break;
302 }
303 rtl92e_writel(dev, QPNR, Data);
304
305 }
306
307
rtl92e_config_mac(struct net_device * dev)308 void rtl92e_config_mac(struct net_device *dev)
309 {
310 u32 dwArrayLen = 0, i = 0;
311 u32 *pdwArray = NULL;
312 struct r8192_priv *priv = rtllib_priv(dev);
313
314 if (priv->bTXPowerDataReadFromEEPORM) {
315 RT_TRACE(COMP_PHY, "Rtl819XMACPHY_Array_PG\n");
316 dwArrayLen = MACPHY_Array_PGLength;
317 pdwArray = Rtl819XMACPHY_Array_PG;
318
319 } else {
320 RT_TRACE(COMP_PHY, "Read rtl819XMACPHY_Array\n");
321 dwArrayLen = MACPHY_ArrayLength;
322 pdwArray = Rtl819XMACPHY_Array;
323 }
324 for (i = 0; i < dwArrayLen; i += 3) {
325 RT_TRACE(COMP_DBG,
326 "The Rtl8190MACPHY_Array[0] is %x Rtl8190MACPHY_Array[1] is %x Rtl8190MACPHY_Array[2] is %x\n",
327 pdwArray[i], pdwArray[i+1], pdwArray[i+2]);
328 if (pdwArray[i] == 0x318)
329 pdwArray[i+2] = 0x00000800;
330 rtl92e_set_bb_reg(dev, pdwArray[i], pdwArray[i+1],
331 pdwArray[i+2]);
332 }
333 return;
334
335 }
336
_rtl92e_phy_config_bb(struct net_device * dev,u8 ConfigType)337 static void _rtl92e_phy_config_bb(struct net_device *dev, u8 ConfigType)
338 {
339 int i;
340 u32 *Rtl819XPHY_REGArray_Table = NULL;
341 u32 *Rtl819XAGCTAB_Array_Table = NULL;
342 u16 AGCTAB_ArrayLen, PHY_REGArrayLen = 0;
343 struct r8192_priv *priv = rtllib_priv(dev);
344
345 AGCTAB_ArrayLen = AGCTAB_ArrayLength;
346 Rtl819XAGCTAB_Array_Table = Rtl819XAGCTAB_Array;
347 if (priv->rf_type == RF_2T4R) {
348 PHY_REGArrayLen = PHY_REGArrayLength;
349 Rtl819XPHY_REGArray_Table = Rtl819XPHY_REGArray;
350 } else if (priv->rf_type == RF_1T2R) {
351 PHY_REGArrayLen = PHY_REG_1T2RArrayLength;
352 Rtl819XPHY_REGArray_Table = Rtl819XPHY_REG_1T2RArray;
353 }
354
355 if (ConfigType == BaseBand_Config_PHY_REG) {
356 for (i = 0; i < PHY_REGArrayLen; i += 2) {
357 rtl92e_set_bb_reg(dev, Rtl819XPHY_REGArray_Table[i],
358 bMaskDWord,
359 Rtl819XPHY_REGArray_Table[i+1]);
360 RT_TRACE(COMP_DBG,
361 "i: %x, The Rtl819xUsbPHY_REGArray[0] is %x Rtl819xUsbPHY_REGArray[1] is %x\n",
362 i, Rtl819XPHY_REGArray_Table[i],
363 Rtl819XPHY_REGArray_Table[i+1]);
364 }
365 } else if (ConfigType == BaseBand_Config_AGC_TAB) {
366 for (i = 0; i < AGCTAB_ArrayLen; i += 2) {
367 rtl92e_set_bb_reg(dev, Rtl819XAGCTAB_Array_Table[i],
368 bMaskDWord,
369 Rtl819XAGCTAB_Array_Table[i+1]);
370 RT_TRACE(COMP_DBG,
371 "i:%x, The rtl819XAGCTAB_Array[0] is %x rtl819XAGCTAB_Array[1] is %x\n",
372 i, Rtl819XAGCTAB_Array_Table[i],
373 Rtl819XAGCTAB_Array_Table[i+1]);
374 }
375 }
376 }
377
_rtl92e_init_bb_rf_reg_def(struct net_device * dev)378 static void _rtl92e_init_bb_rf_reg_def(struct net_device *dev)
379 {
380 struct r8192_priv *priv = rtllib_priv(dev);
381
382 priv->PHYRegDef[RF90_PATH_A].rfintfs = rFPGA0_XAB_RFInterfaceSW;
383 priv->PHYRegDef[RF90_PATH_B].rfintfs = rFPGA0_XAB_RFInterfaceSW;
384 priv->PHYRegDef[RF90_PATH_C].rfintfs = rFPGA0_XCD_RFInterfaceSW;
385 priv->PHYRegDef[RF90_PATH_D].rfintfs = rFPGA0_XCD_RFInterfaceSW;
386
387 priv->PHYRegDef[RF90_PATH_A].rfintfi = rFPGA0_XAB_RFInterfaceRB;
388 priv->PHYRegDef[RF90_PATH_B].rfintfi = rFPGA0_XAB_RFInterfaceRB;
389 priv->PHYRegDef[RF90_PATH_C].rfintfi = rFPGA0_XCD_RFInterfaceRB;
390 priv->PHYRegDef[RF90_PATH_D].rfintfi = rFPGA0_XCD_RFInterfaceRB;
391
392 priv->PHYRegDef[RF90_PATH_A].rfintfo = rFPGA0_XA_RFInterfaceOE;
393 priv->PHYRegDef[RF90_PATH_B].rfintfo = rFPGA0_XB_RFInterfaceOE;
394 priv->PHYRegDef[RF90_PATH_C].rfintfo = rFPGA0_XC_RFInterfaceOE;
395 priv->PHYRegDef[RF90_PATH_D].rfintfo = rFPGA0_XD_RFInterfaceOE;
396
397 priv->PHYRegDef[RF90_PATH_A].rfintfe = rFPGA0_XA_RFInterfaceOE;
398 priv->PHYRegDef[RF90_PATH_B].rfintfe = rFPGA0_XB_RFInterfaceOE;
399 priv->PHYRegDef[RF90_PATH_C].rfintfe = rFPGA0_XC_RFInterfaceOE;
400 priv->PHYRegDef[RF90_PATH_D].rfintfe = rFPGA0_XD_RFInterfaceOE;
401
402 priv->PHYRegDef[RF90_PATH_A].rf3wireOffset = rFPGA0_XA_LSSIParameter;
403 priv->PHYRegDef[RF90_PATH_B].rf3wireOffset = rFPGA0_XB_LSSIParameter;
404 priv->PHYRegDef[RF90_PATH_C].rf3wireOffset = rFPGA0_XC_LSSIParameter;
405 priv->PHYRegDef[RF90_PATH_D].rf3wireOffset = rFPGA0_XD_LSSIParameter;
406
407 priv->PHYRegDef[RF90_PATH_A].rfLSSI_Select = rFPGA0_XAB_RFParameter;
408 priv->PHYRegDef[RF90_PATH_B].rfLSSI_Select = rFPGA0_XAB_RFParameter;
409 priv->PHYRegDef[RF90_PATH_C].rfLSSI_Select = rFPGA0_XCD_RFParameter;
410 priv->PHYRegDef[RF90_PATH_D].rfLSSI_Select = rFPGA0_XCD_RFParameter;
411
412 priv->PHYRegDef[RF90_PATH_A].rfTxGainStage = rFPGA0_TxGainStage;
413 priv->PHYRegDef[RF90_PATH_B].rfTxGainStage = rFPGA0_TxGainStage;
414 priv->PHYRegDef[RF90_PATH_C].rfTxGainStage = rFPGA0_TxGainStage;
415 priv->PHYRegDef[RF90_PATH_D].rfTxGainStage = rFPGA0_TxGainStage;
416
417 priv->PHYRegDef[RF90_PATH_A].rfHSSIPara1 = rFPGA0_XA_HSSIParameter1;
418 priv->PHYRegDef[RF90_PATH_B].rfHSSIPara1 = rFPGA0_XB_HSSIParameter1;
419 priv->PHYRegDef[RF90_PATH_C].rfHSSIPara1 = rFPGA0_XC_HSSIParameter1;
420 priv->PHYRegDef[RF90_PATH_D].rfHSSIPara1 = rFPGA0_XD_HSSIParameter1;
421
422 priv->PHYRegDef[RF90_PATH_A].rfHSSIPara2 = rFPGA0_XA_HSSIParameter2;
423 priv->PHYRegDef[RF90_PATH_B].rfHSSIPara2 = rFPGA0_XB_HSSIParameter2;
424 priv->PHYRegDef[RF90_PATH_C].rfHSSIPara2 = rFPGA0_XC_HSSIParameter2;
425 priv->PHYRegDef[RF90_PATH_D].rfHSSIPara2 = rFPGA0_XD_HSSIParameter2;
426
427 priv->PHYRegDef[RF90_PATH_A].rfSwitchControl = rFPGA0_XAB_SwitchControl;
428 priv->PHYRegDef[RF90_PATH_B].rfSwitchControl = rFPGA0_XAB_SwitchControl;
429 priv->PHYRegDef[RF90_PATH_C].rfSwitchControl = rFPGA0_XCD_SwitchControl;
430 priv->PHYRegDef[RF90_PATH_D].rfSwitchControl = rFPGA0_XCD_SwitchControl;
431
432 priv->PHYRegDef[RF90_PATH_A].rfAGCControl1 = rOFDM0_XAAGCCore1;
433 priv->PHYRegDef[RF90_PATH_B].rfAGCControl1 = rOFDM0_XBAGCCore1;
434 priv->PHYRegDef[RF90_PATH_C].rfAGCControl1 = rOFDM0_XCAGCCore1;
435 priv->PHYRegDef[RF90_PATH_D].rfAGCControl1 = rOFDM0_XDAGCCore1;
436
437 priv->PHYRegDef[RF90_PATH_A].rfAGCControl2 = rOFDM0_XAAGCCore2;
438 priv->PHYRegDef[RF90_PATH_B].rfAGCControl2 = rOFDM0_XBAGCCore2;
439 priv->PHYRegDef[RF90_PATH_C].rfAGCControl2 = rOFDM0_XCAGCCore2;
440 priv->PHYRegDef[RF90_PATH_D].rfAGCControl2 = rOFDM0_XDAGCCore2;
441
442 priv->PHYRegDef[RF90_PATH_A].rfRxIQImbalance = rOFDM0_XARxIQImbalance;
443 priv->PHYRegDef[RF90_PATH_B].rfRxIQImbalance = rOFDM0_XBRxIQImbalance;
444 priv->PHYRegDef[RF90_PATH_C].rfRxIQImbalance = rOFDM0_XCRxIQImbalance;
445 priv->PHYRegDef[RF90_PATH_D].rfRxIQImbalance = rOFDM0_XDRxIQImbalance;
446
447 priv->PHYRegDef[RF90_PATH_A].rfRxAFE = rOFDM0_XARxAFE;
448 priv->PHYRegDef[RF90_PATH_B].rfRxAFE = rOFDM0_XBRxAFE;
449 priv->PHYRegDef[RF90_PATH_C].rfRxAFE = rOFDM0_XCRxAFE;
450 priv->PHYRegDef[RF90_PATH_D].rfRxAFE = rOFDM0_XDRxAFE;
451
452 priv->PHYRegDef[RF90_PATH_A].rfTxIQImbalance = rOFDM0_XATxIQImbalance;
453 priv->PHYRegDef[RF90_PATH_B].rfTxIQImbalance = rOFDM0_XBTxIQImbalance;
454 priv->PHYRegDef[RF90_PATH_C].rfTxIQImbalance = rOFDM0_XCTxIQImbalance;
455 priv->PHYRegDef[RF90_PATH_D].rfTxIQImbalance = rOFDM0_XDTxIQImbalance;
456
457 priv->PHYRegDef[RF90_PATH_A].rfTxAFE = rOFDM0_XATxAFE;
458 priv->PHYRegDef[RF90_PATH_B].rfTxAFE = rOFDM0_XBTxAFE;
459 priv->PHYRegDef[RF90_PATH_C].rfTxAFE = rOFDM0_XCTxAFE;
460 priv->PHYRegDef[RF90_PATH_D].rfTxAFE = rOFDM0_XDTxAFE;
461
462 priv->PHYRegDef[RF90_PATH_A].rfLSSIReadBack = rFPGA0_XA_LSSIReadBack;
463 priv->PHYRegDef[RF90_PATH_B].rfLSSIReadBack = rFPGA0_XB_LSSIReadBack;
464 priv->PHYRegDef[RF90_PATH_C].rfLSSIReadBack = rFPGA0_XC_LSSIReadBack;
465 priv->PHYRegDef[RF90_PATH_D].rfLSSIReadBack = rFPGA0_XD_LSSIReadBack;
466
467 }
468
rtl92e_check_bb_and_rf(struct net_device * dev,enum hw90_block CheckBlock,enum rf90_radio_path eRFPath)469 bool rtl92e_check_bb_and_rf(struct net_device *dev, enum hw90_block CheckBlock,
470 enum rf90_radio_path eRFPath)
471 {
472 bool ret = true;
473 u32 i, CheckTimes = 4, dwRegRead = 0;
474 u32 WriteAddr[4];
475 u32 WriteData[] = {0xfffff027, 0xaa55a02f, 0x00000027, 0x55aa502f};
476
477 WriteAddr[HW90_BLOCK_MAC] = 0x100;
478 WriteAddr[HW90_BLOCK_PHY0] = 0x900;
479 WriteAddr[HW90_BLOCK_PHY1] = 0x800;
480 WriteAddr[HW90_BLOCK_RF] = 0x3;
481 RT_TRACE(COMP_PHY, "=======>%s(), CheckBlock:%d\n", __func__,
482 CheckBlock);
483
484 if (CheckBlock == HW90_BLOCK_MAC) {
485 netdev_warn(dev, "%s(): No checks available for MAC block.\n",
486 __func__);
487 return ret;
488 }
489
490 for (i = 0; i < CheckTimes; i++) {
491 switch (CheckBlock) {
492 case HW90_BLOCK_PHY0:
493 case HW90_BLOCK_PHY1:
494 rtl92e_writel(dev, WriteAddr[CheckBlock],
495 WriteData[i]);
496 dwRegRead = rtl92e_readl(dev, WriteAddr[CheckBlock]);
497 break;
498
499 case HW90_BLOCK_RF:
500 WriteData[i] &= 0xfff;
501 rtl92e_set_rf_reg(dev, eRFPath,
502 WriteAddr[HW90_BLOCK_RF],
503 bMask12Bits, WriteData[i]);
504 mdelay(10);
505 dwRegRead = rtl92e_get_rf_reg(dev, eRFPath,
506 WriteAddr[HW90_BLOCK_RF],
507 bMaskDWord);
508 mdelay(10);
509 break;
510
511 default:
512 ret = false;
513 break;
514 }
515
516
517 if (dwRegRead != WriteData[i]) {
518 netdev_warn(dev, "%s(): Check failed.\n", __func__);
519 ret = false;
520 break;
521 }
522 }
523
524 return ret;
525 }
526
_rtl92e_bb_config_para_file(struct net_device * dev)527 static bool _rtl92e_bb_config_para_file(struct net_device *dev)
528 {
529 struct r8192_priv *priv = rtllib_priv(dev);
530 bool rtStatus = true;
531 u8 bRegValue = 0, eCheckItem = 0;
532 u32 dwRegValue = 0;
533
534 bRegValue = rtl92e_readb(dev, BB_GLOBAL_RESET);
535 rtl92e_writeb(dev, BB_GLOBAL_RESET, (bRegValue|BB_GLOBAL_RESET_BIT));
536
537 dwRegValue = rtl92e_readl(dev, CPU_GEN);
538 rtl92e_writel(dev, CPU_GEN, (dwRegValue&(~CPU_GEN_BB_RST)));
539
540 for (eCheckItem = (enum hw90_block)HW90_BLOCK_PHY0;
541 eCheckItem <= HW90_BLOCK_PHY1; eCheckItem++) {
542 rtStatus = rtl92e_check_bb_and_rf(dev,
543 (enum hw90_block)eCheckItem,
544 (enum rf90_radio_path)0);
545 if (!rtStatus) {
546 RT_TRACE((COMP_ERR | COMP_PHY),
547 "rtl92e_config_rf():Check PHY%d Fail!!\n",
548 eCheckItem-1);
549 return rtStatus;
550 }
551 }
552 rtl92e_set_bb_reg(dev, rFPGA0_RFMOD, bCCKEn|bOFDMEn, 0x0);
553 _rtl92e_phy_config_bb(dev, BaseBand_Config_PHY_REG);
554
555 dwRegValue = rtl92e_readl(dev, CPU_GEN);
556 rtl92e_writel(dev, CPU_GEN, (dwRegValue|CPU_GEN_BB_RST));
557
558 _rtl92e_phy_config_bb(dev, BaseBand_Config_AGC_TAB);
559
560 if (priv->IC_Cut > VERSION_8190_BD) {
561 if (priv->rf_type == RF_2T4R)
562 dwRegValue = priv->AntennaTxPwDiff[2]<<8 |
563 priv->AntennaTxPwDiff[1]<<4 |
564 priv->AntennaTxPwDiff[0];
565 else
566 dwRegValue = 0x0;
567 rtl92e_set_bb_reg(dev, rFPGA0_TxGainStage,
568 (bXBTxAGC|bXCTxAGC|bXDTxAGC), dwRegValue);
569
570
571 dwRegValue = priv->CrystalCap;
572 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter1, bXtalCap92x,
573 dwRegValue);
574 }
575
576 return rtStatus;
577 }
rtl92e_config_bb(struct net_device * dev)578 bool rtl92e_config_bb(struct net_device *dev)
579 {
580 _rtl92e_init_bb_rf_reg_def(dev);
581 return _rtl92e_bb_config_para_file(dev);
582 }
583
rtl92e_get_tx_power(struct net_device * dev)584 void rtl92e_get_tx_power(struct net_device *dev)
585 {
586 struct r8192_priv *priv = rtllib_priv(dev);
587
588 priv->MCSTxPowerLevelOriginalOffset[0] =
589 rtl92e_readl(dev, rTxAGC_Rate18_06);
590 priv->MCSTxPowerLevelOriginalOffset[1] =
591 rtl92e_readl(dev, rTxAGC_Rate54_24);
592 priv->MCSTxPowerLevelOriginalOffset[2] =
593 rtl92e_readl(dev, rTxAGC_Mcs03_Mcs00);
594 priv->MCSTxPowerLevelOriginalOffset[3] =
595 rtl92e_readl(dev, rTxAGC_Mcs07_Mcs04);
596 priv->MCSTxPowerLevelOriginalOffset[4] =
597 rtl92e_readl(dev, rTxAGC_Mcs11_Mcs08);
598 priv->MCSTxPowerLevelOriginalOffset[5] =
599 rtl92e_readl(dev, rTxAGC_Mcs15_Mcs12);
600
601 priv->DefaultInitialGain[0] = rtl92e_readb(dev, rOFDM0_XAAGCCore1);
602 priv->DefaultInitialGain[1] = rtl92e_readb(dev, rOFDM0_XBAGCCore1);
603 priv->DefaultInitialGain[2] = rtl92e_readb(dev, rOFDM0_XCAGCCore1);
604 priv->DefaultInitialGain[3] = rtl92e_readb(dev, rOFDM0_XDAGCCore1);
605 RT_TRACE(COMP_INIT,
606 "Default initial gain (c50=0x%x, c58=0x%x, c60=0x%x, c68=0x%x)\n",
607 priv->DefaultInitialGain[0], priv->DefaultInitialGain[1],
608 priv->DefaultInitialGain[2], priv->DefaultInitialGain[3]);
609
610 priv->framesync = rtl92e_readb(dev, rOFDM0_RxDetector3);
611 priv->framesyncC34 = rtl92e_readl(dev, rOFDM0_RxDetector2);
612 RT_TRACE(COMP_INIT, "Default framesync (0x%x) = 0x%x\n",
613 rOFDM0_RxDetector3, priv->framesync);
614 priv->SifsTime = rtl92e_readw(dev, SIFS);
615 }
616
rtl92e_set_tx_power(struct net_device * dev,u8 channel)617 void rtl92e_set_tx_power(struct net_device *dev, u8 channel)
618 {
619 struct r8192_priv *priv = rtllib_priv(dev);
620 u8 powerlevel = 0, powerlevelOFDM24G = 0;
621 s8 ant_pwr_diff;
622 u32 u4RegValue;
623
624 if (priv->epromtype == EEPROM_93C46) {
625 powerlevel = priv->TxPowerLevelCCK[channel-1];
626 powerlevelOFDM24G = priv->TxPowerLevelOFDM24G[channel-1];
627 } else if (priv->epromtype == EEPROM_93C56) {
628 if (priv->rf_type == RF_1T2R) {
629 powerlevel = priv->TxPowerLevelCCK_C[channel-1];
630 powerlevelOFDM24G = priv->TxPowerLevelOFDM24G_C[channel-1];
631 } else if (priv->rf_type == RF_2T4R) {
632 powerlevel = priv->TxPowerLevelCCK_A[channel-1];
633 powerlevelOFDM24G = priv->TxPowerLevelOFDM24G_A[channel-1];
634
635 ant_pwr_diff = priv->TxPowerLevelOFDM24G_C[channel-1]
636 - priv->TxPowerLevelOFDM24G_A[channel-1];
637
638 priv->RF_C_TxPwDiff = ant_pwr_diff;
639
640 ant_pwr_diff &= 0xf;
641
642 priv->AntennaTxPwDiff[2] = 0;
643 priv->AntennaTxPwDiff[1] = (u8)(ant_pwr_diff);
644 priv->AntennaTxPwDiff[0] = 0;
645
646 u4RegValue = priv->AntennaTxPwDiff[2]<<8 |
647 priv->AntennaTxPwDiff[1]<<4 |
648 priv->AntennaTxPwDiff[0];
649
650 rtl92e_set_bb_reg(dev, rFPGA0_TxGainStage,
651 (bXBTxAGC|bXCTxAGC|bXDTxAGC),
652 u4RegValue);
653 }
654 }
655 switch (priv->rf_chip) {
656 case RF_8225:
657 break;
658 case RF_8256:
659 rtl92e_set_cck_tx_power(dev, powerlevel);
660 rtl92e_set_ofdm_tx_power(dev, powerlevelOFDM24G);
661 break;
662 case RF_8258:
663 break;
664 default:
665 netdev_err(dev, "Invalid RF Chip ID.\n");
666 break;
667 }
668 }
669
rtl92e_config_phy(struct net_device * dev)670 bool rtl92e_config_phy(struct net_device *dev)
671 {
672 struct r8192_priv *priv = rtllib_priv(dev);
673 bool rtStatus = true;
674
675 switch (priv->rf_chip) {
676 case RF_8225:
677 break;
678 case RF_8256:
679 rtStatus = rtl92e_config_rf(dev);
680 break;
681
682 case RF_8258:
683 break;
684 case RF_PSEUDO_11N:
685 break;
686
687 default:
688 netdev_err(dev, "Invalid RF Chip ID.\n");
689 break;
690 }
691 return rtStatus;
692 }
693
rtl92e_config_rf_path(struct net_device * dev,enum rf90_radio_path eRFPath)694 u8 rtl92e_config_rf_path(struct net_device *dev, enum rf90_radio_path eRFPath)
695 {
696
697 int i;
698
699 switch (eRFPath) {
700 case RF90_PATH_A:
701 for (i = 0; i < RadioA_ArrayLength; i += 2) {
702 if (Rtl819XRadioA_Array[i] == 0xfe) {
703 msleep(100);
704 continue;
705 }
706 rtl92e_set_rf_reg(dev, eRFPath, Rtl819XRadioA_Array[i],
707 bMask12Bits,
708 Rtl819XRadioA_Array[i+1]);
709
710 }
711 break;
712 case RF90_PATH_B:
713 for (i = 0; i < RadioB_ArrayLength; i += 2) {
714 if (Rtl819XRadioB_Array[i] == 0xfe) {
715 msleep(100);
716 continue;
717 }
718 rtl92e_set_rf_reg(dev, eRFPath, Rtl819XRadioB_Array[i],
719 bMask12Bits,
720 Rtl819XRadioB_Array[i+1]);
721
722 }
723 break;
724 case RF90_PATH_C:
725 for (i = 0; i < RadioC_ArrayLength; i += 2) {
726 if (Rtl819XRadioC_Array[i] == 0xfe) {
727 msleep(100);
728 continue;
729 }
730 rtl92e_set_rf_reg(dev, eRFPath, Rtl819XRadioC_Array[i],
731 bMask12Bits,
732 Rtl819XRadioC_Array[i+1]);
733
734 }
735 break;
736 case RF90_PATH_D:
737 for (i = 0; i < RadioD_ArrayLength; i += 2) {
738 if (Rtl819XRadioD_Array[i] == 0xfe) {
739 msleep(100);
740 continue;
741 }
742 rtl92e_set_rf_reg(dev, eRFPath, Rtl819XRadioD_Array[i],
743 bMask12Bits,
744 Rtl819XRadioD_Array[i+1]);
745
746 }
747 break;
748 default:
749 break;
750 }
751
752 return 0;
753
754 }
755
_rtl92e_set_tx_power_level(struct net_device * dev,u8 channel)756 static void _rtl92e_set_tx_power_level(struct net_device *dev, u8 channel)
757 {
758 struct r8192_priv *priv = rtllib_priv(dev);
759 u8 powerlevel = priv->TxPowerLevelCCK[channel-1];
760 u8 powerlevelOFDM24G = priv->TxPowerLevelOFDM24G[channel-1];
761
762 switch (priv->rf_chip) {
763 case RF_8225:
764 break;
765
766 case RF_8256:
767 rtl92e_set_cck_tx_power(dev, powerlevel);
768 rtl92e_set_ofdm_tx_power(dev, powerlevelOFDM24G);
769 break;
770
771 case RF_8258:
772 break;
773 default:
774 netdev_warn(dev, "%s(): Invalid RF Chip ID\n", __func__);
775 break;
776 }
777 }
778
_rtl92e_phy_set_sw_chnl_cmd_array(struct net_device * dev,struct sw_chnl_cmd * CmdTable,u32 CmdTableIdx,u32 CmdTableSz,enum sw_chnl_cmd_id CmdID,u32 Para1,u32 Para2,u32 msDelay)779 static u8 _rtl92e_phy_set_sw_chnl_cmd_array(struct net_device *dev,
780 struct sw_chnl_cmd *CmdTable,
781 u32 CmdTableIdx, u32 CmdTableSz,
782 enum sw_chnl_cmd_id CmdID,
783 u32 Para1, u32 Para2, u32 msDelay)
784 {
785 struct sw_chnl_cmd *pCmd;
786
787 if (CmdTable == NULL) {
788 netdev_err(dev, "%s(): CmdTable cannot be NULL.\n", __func__);
789 return false;
790 }
791 if (CmdTableIdx >= CmdTableSz) {
792 netdev_err(dev, "%s(): Invalid index requested.\n", __func__);
793 return false;
794 }
795
796 pCmd = CmdTable + CmdTableIdx;
797 pCmd->CmdID = CmdID;
798 pCmd->Para1 = Para1;
799 pCmd->Para2 = Para2;
800 pCmd->msDelay = msDelay;
801
802 return true;
803 }
804
_rtl92e_phy_switch_channel_step(struct net_device * dev,u8 channel,u8 * stage,u8 * step,u32 * delay)805 static u8 _rtl92e_phy_switch_channel_step(struct net_device *dev, u8 channel,
806 u8 *stage, u8 *step, u32 *delay)
807 {
808 struct r8192_priv *priv = rtllib_priv(dev);
809 struct rtllib_device *ieee = priv->rtllib;
810 u32 PreCommonCmdCnt;
811 u32 PostCommonCmdCnt;
812 u32 RfDependCmdCnt;
813 struct sw_chnl_cmd *CurrentCmd = NULL;
814 u8 eRFPath;
815
816 RT_TRACE(COMP_TRACE, "====>%s()====stage:%d, step:%d, channel:%d\n",
817 __func__, *stage, *step, channel);
818
819 if (!rtllib_legal_channel(priv->rtllib, channel)) {
820 netdev_err(dev, "Invalid channel requested: %d\n", channel);
821 return true;
822 }
823
824 {
825 PreCommonCmdCnt = 0;
826 _rtl92e_phy_set_sw_chnl_cmd_array(dev, ieee->PreCommonCmd,
827 PreCommonCmdCnt++,
828 MAX_PRECMD_CNT,
829 CmdID_SetTxPowerLevel,
830 0, 0, 0);
831 _rtl92e_phy_set_sw_chnl_cmd_array(dev, ieee->PreCommonCmd,
832 PreCommonCmdCnt++,
833 MAX_PRECMD_CNT, CmdID_End,
834 0, 0, 0);
835
836 PostCommonCmdCnt = 0;
837
838 _rtl92e_phy_set_sw_chnl_cmd_array(dev, ieee->PostCommonCmd,
839 PostCommonCmdCnt++,
840 MAX_POSTCMD_CNT, CmdID_End,
841 0, 0, 0);
842
843 RfDependCmdCnt = 0;
844 switch (priv->rf_chip) {
845 case RF_8225:
846 if (!(channel >= 1 && channel <= 14)) {
847 netdev_err(dev,
848 "Invalid channel requested for 8225: %d\n",
849 channel);
850 return false;
851 }
852 _rtl92e_phy_set_sw_chnl_cmd_array(dev,
853 ieee->RfDependCmd,
854 RfDependCmdCnt++,
855 MAX_RFDEPENDCMD_CNT,
856 CmdID_RF_WriteReg,
857 rZebra1_Channel,
858 RF_CHANNEL_TABLE_ZEBRA[channel],
859 10);
860 _rtl92e_phy_set_sw_chnl_cmd_array(dev,
861 ieee->RfDependCmd,
862 RfDependCmdCnt++,
863 MAX_RFDEPENDCMD_CNT,
864 CmdID_End, 0, 0, 0);
865 break;
866
867 case RF_8256:
868 if (!(channel >= 1 && channel <= 14)) {
869 netdev_err(dev,
870 "Invalid channel requested for 8256: %d\n",
871 channel);
872 return false;
873 }
874 _rtl92e_phy_set_sw_chnl_cmd_array(dev,
875 ieee->RfDependCmd,
876 RfDependCmdCnt++,
877 MAX_RFDEPENDCMD_CNT,
878 CmdID_RF_WriteReg,
879 rZebra1_Channel,
880 channel, 10);
881 _rtl92e_phy_set_sw_chnl_cmd_array(dev,
882 ieee->RfDependCmd,
883 RfDependCmdCnt++,
884 MAX_RFDEPENDCMD_CNT,
885 CmdID_End, 0, 0, 0);
886 break;
887
888 case RF_8258:
889 break;
890
891 default:
892 netdev_warn(dev, "Unknown RF Chip ID\n");
893 return false;
894 }
895
896
897 do {
898 switch (*stage) {
899 case 0:
900 CurrentCmd = &ieee->PreCommonCmd[*step];
901 break;
902 case 1:
903 CurrentCmd = &ieee->RfDependCmd[*step];
904 break;
905 case 2:
906 CurrentCmd = &ieee->PostCommonCmd[*step];
907 break;
908 }
909
910 if (CurrentCmd && CurrentCmd->CmdID == CmdID_End) {
911 if ((*stage) == 2)
912 return true;
913 (*stage)++;
914 (*step) = 0;
915 continue;
916 }
917
918 if (!CurrentCmd)
919 continue;
920 switch (CurrentCmd->CmdID) {
921 case CmdID_SetTxPowerLevel:
922 if (priv->IC_Cut > (u8)VERSION_8190_BD)
923 _rtl92e_set_tx_power_level(dev,
924 channel);
925 break;
926 case CmdID_WritePortUlong:
927 rtl92e_writel(dev, CurrentCmd->Para1,
928 CurrentCmd->Para2);
929 break;
930 case CmdID_WritePortUshort:
931 rtl92e_writew(dev, CurrentCmd->Para1,
932 (u16)CurrentCmd->Para2);
933 break;
934 case CmdID_WritePortUchar:
935 rtl92e_writeb(dev, CurrentCmd->Para1,
936 (u8)CurrentCmd->Para2);
937 break;
938 case CmdID_RF_WriteReg:
939 for (eRFPath = 0; eRFPath <
940 priv->NumTotalRFPath; eRFPath++)
941 rtl92e_set_rf_reg(dev,
942 (enum rf90_radio_path)eRFPath,
943 CurrentCmd->Para1, bMask12Bits,
944 CurrentCmd->Para2<<7);
945 break;
946 default:
947 break;
948 }
949
950 break;
951 } while (true);
952 } /*for (Number of RF paths)*/
953
954 (*delay) = CurrentCmd->msDelay;
955 (*step)++;
956 return false;
957 }
958
_rtl92e_phy_switch_channel(struct net_device * dev,u8 channel)959 static void _rtl92e_phy_switch_channel(struct net_device *dev, u8 channel)
960 {
961 struct r8192_priv *priv = rtllib_priv(dev);
962 u32 delay = 0;
963
964 while (!_rtl92e_phy_switch_channel_step(dev, channel,
965 &priv->SwChnlStage,
966 &priv->SwChnlStep, &delay)) {
967 if (delay > 0)
968 msleep(delay);
969 if (!priv->up)
970 break;
971 }
972 }
973
_rtl92e_phy_switch_channel_work_item(struct net_device * dev)974 static void _rtl92e_phy_switch_channel_work_item(struct net_device *dev)
975 {
976
977 struct r8192_priv *priv = rtllib_priv(dev);
978
979 RT_TRACE(COMP_TRACE, "==> SwChnlCallback819xUsbWorkItem()\n");
980
981 RT_TRACE(COMP_TRACE, "=====>--%s(), set chan:%d, priv:%p\n", __func__,
982 priv->chan, priv);
983
984 _rtl92e_phy_switch_channel(dev, priv->chan);
985
986 RT_TRACE(COMP_TRACE, "<== SwChnlCallback819xUsbWorkItem()\n");
987 }
988
rtl92e_set_channel(struct net_device * dev,u8 channel)989 u8 rtl92e_set_channel(struct net_device *dev, u8 channel)
990 {
991 struct r8192_priv *priv = rtllib_priv(dev);
992
993 RT_TRACE(COMP_PHY, "=====>%s()\n", __func__);
994 if (!priv->up) {
995 netdev_err(dev, "%s(): Driver is not initialized\n", __func__);
996 return false;
997 }
998 if (priv->SwChnlInProgress)
999 return false;
1000
1001
1002 switch (priv->rtllib->mode) {
1003 case WIRELESS_MODE_A:
1004 case WIRELESS_MODE_N_5G:
1005 if (channel <= 14) {
1006 netdev_warn(dev,
1007 "Channel %d not available in 802.11a.\n",
1008 channel);
1009 return false;
1010 }
1011 break;
1012 case WIRELESS_MODE_B:
1013 if (channel > 14) {
1014 netdev_warn(dev,
1015 "Channel %d not available in 802.11b.\n",
1016 channel);
1017 return false;
1018 }
1019 break;
1020 case WIRELESS_MODE_G:
1021 case WIRELESS_MODE_N_24G:
1022 if (channel > 14) {
1023 netdev_warn(dev,
1024 "Channel %d not available in 802.11g.\n",
1025 channel);
1026 return false;
1027 }
1028 break;
1029 }
1030
1031 priv->SwChnlInProgress = true;
1032 if (channel == 0)
1033 channel = 1;
1034
1035 priv->chan = channel;
1036
1037 priv->SwChnlStage = 0;
1038 priv->SwChnlStep = 0;
1039
1040 if (priv->up)
1041 _rtl92e_phy_switch_channel_work_item(dev);
1042 priv->SwChnlInProgress = false;
1043 return true;
1044 }
1045
_rtl92e_cck_tx_power_track_bw_switch_tssi(struct net_device * dev)1046 static void _rtl92e_cck_tx_power_track_bw_switch_tssi(struct net_device *dev)
1047 {
1048 struct r8192_priv *priv = rtllib_priv(dev);
1049
1050 switch (priv->CurrentChannelBW) {
1051 case HT_CHANNEL_WIDTH_20:
1052 priv->CCKPresentAttentuation =
1053 priv->CCKPresentAttentuation_20Mdefault +
1054 priv->CCKPresentAttentuation_difference;
1055
1056 if (priv->CCKPresentAttentuation >
1057 (CCKTxBBGainTableLength-1))
1058 priv->CCKPresentAttentuation =
1059 CCKTxBBGainTableLength-1;
1060 if (priv->CCKPresentAttentuation < 0)
1061 priv->CCKPresentAttentuation = 0;
1062
1063 RT_TRACE(COMP_POWER_TRACKING,
1064 "20M, priv->CCKPresentAttentuation = %d\n",
1065 priv->CCKPresentAttentuation);
1066
1067 if (priv->rtllib->current_network.channel == 14 &&
1068 !priv->bcck_in_ch14) {
1069 priv->bcck_in_ch14 = true;
1070 rtl92e_dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
1071 } else if (priv->rtllib->current_network.channel !=
1072 14 && priv->bcck_in_ch14) {
1073 priv->bcck_in_ch14 = false;
1074 rtl92e_dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
1075 } else {
1076 rtl92e_dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
1077 }
1078 break;
1079
1080 case HT_CHANNEL_WIDTH_20_40:
1081 priv->CCKPresentAttentuation =
1082 priv->CCKPresentAttentuation_40Mdefault +
1083 priv->CCKPresentAttentuation_difference;
1084
1085 RT_TRACE(COMP_POWER_TRACKING,
1086 "40M, priv->CCKPresentAttentuation = %d\n",
1087 priv->CCKPresentAttentuation);
1088 if (priv->CCKPresentAttentuation >
1089 (CCKTxBBGainTableLength - 1))
1090 priv->CCKPresentAttentuation =
1091 CCKTxBBGainTableLength-1;
1092 if (priv->CCKPresentAttentuation < 0)
1093 priv->CCKPresentAttentuation = 0;
1094
1095 if (priv->rtllib->current_network.channel == 14 &&
1096 !priv->bcck_in_ch14) {
1097 priv->bcck_in_ch14 = true;
1098 rtl92e_dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
1099 } else if (priv->rtllib->current_network.channel != 14
1100 && priv->bcck_in_ch14) {
1101 priv->bcck_in_ch14 = false;
1102 rtl92e_dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
1103 } else {
1104 rtl92e_dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
1105 }
1106 break;
1107 }
1108 }
1109
_rtl92e_cck_tx_power_track_bw_switch_thermal(struct net_device * dev)1110 static void _rtl92e_cck_tx_power_track_bw_switch_thermal(struct net_device *dev)
1111 {
1112 struct r8192_priv *priv = rtllib_priv(dev);
1113
1114 if (priv->rtllib->current_network.channel == 14 &&
1115 !priv->bcck_in_ch14)
1116 priv->bcck_in_ch14 = true;
1117 else if (priv->rtllib->current_network.channel != 14 &&
1118 priv->bcck_in_ch14)
1119 priv->bcck_in_ch14 = false;
1120
1121 switch (priv->CurrentChannelBW) {
1122 case HT_CHANNEL_WIDTH_20:
1123 if (priv->Record_CCK_20Mindex == 0)
1124 priv->Record_CCK_20Mindex = 6;
1125 priv->CCK_index = priv->Record_CCK_20Mindex;
1126 RT_TRACE(COMP_POWER_TRACKING,
1127 "20MHz, %s,CCK_index = %d\n", __func__,
1128 priv->CCK_index);
1129 break;
1130
1131 case HT_CHANNEL_WIDTH_20_40:
1132 priv->CCK_index = priv->Record_CCK_40Mindex;
1133 RT_TRACE(COMP_POWER_TRACKING,
1134 "40MHz, %s, CCK_index = %d\n", __func__,
1135 priv->CCK_index);
1136 break;
1137 }
1138 rtl92e_dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
1139 }
1140
_rtl92e_cck_tx_power_track_bw_switch(struct net_device * dev)1141 static void _rtl92e_cck_tx_power_track_bw_switch(struct net_device *dev)
1142 {
1143 struct r8192_priv *priv = rtllib_priv(dev);
1144
1145 if (priv->IC_Cut >= IC_VersionCut_D)
1146 _rtl92e_cck_tx_power_track_bw_switch_tssi(dev);
1147 else
1148 _rtl92e_cck_tx_power_track_bw_switch_thermal(dev);
1149 }
1150
_rtl92e_set_bw_mode_work_item(struct net_device * dev)1151 static void _rtl92e_set_bw_mode_work_item(struct net_device *dev)
1152 {
1153
1154 struct r8192_priv *priv = rtllib_priv(dev);
1155 u8 regBwOpMode;
1156
1157 RT_TRACE(COMP_SWBW,
1158 "==>%s Switch to %s bandwidth\n", __func__,
1159 priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 ?
1160 "20MHz" : "40MHz");
1161
1162
1163 if (priv->rf_chip == RF_PSEUDO_11N) {
1164 priv->SetBWModeInProgress = false;
1165 return;
1166 }
1167 if (!priv->up) {
1168 netdev_err(dev, "%s(): Driver is not initialized\n", __func__);
1169 return;
1170 }
1171 regBwOpMode = rtl92e_readb(dev, BW_OPMODE);
1172
1173 switch (priv->CurrentChannelBW) {
1174 case HT_CHANNEL_WIDTH_20:
1175 regBwOpMode |= BW_OPMODE_20MHZ;
1176 rtl92e_writeb(dev, BW_OPMODE, regBwOpMode);
1177 break;
1178
1179 case HT_CHANNEL_WIDTH_20_40:
1180 regBwOpMode &= ~BW_OPMODE_20MHZ;
1181 rtl92e_writeb(dev, BW_OPMODE, regBwOpMode);
1182 break;
1183
1184 default:
1185 netdev_err(dev, "%s(): unknown Bandwidth: %#X\n", __func__,
1186 priv->CurrentChannelBW);
1187 break;
1188 }
1189
1190 switch (priv->CurrentChannelBW) {
1191 case HT_CHANNEL_WIDTH_20:
1192 rtl92e_set_bb_reg(dev, rFPGA0_RFMOD, bRFMOD, 0x0);
1193 rtl92e_set_bb_reg(dev, rFPGA1_RFMOD, bRFMOD, 0x0);
1194
1195 if (!priv->btxpower_tracking) {
1196 rtl92e_writel(dev, rCCK0_TxFilter1, 0x1a1b0000);
1197 rtl92e_writel(dev, rCCK0_TxFilter2, 0x090e1317);
1198 rtl92e_writel(dev, rCCK0_DebugPort, 0x00000204);
1199 } else {
1200 _rtl92e_cck_tx_power_track_bw_switch(dev);
1201 }
1202
1203 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter1, 0x00100000, 1);
1204
1205 break;
1206 case HT_CHANNEL_WIDTH_20_40:
1207 rtl92e_set_bb_reg(dev, rFPGA0_RFMOD, bRFMOD, 0x1);
1208 rtl92e_set_bb_reg(dev, rFPGA1_RFMOD, bRFMOD, 0x1);
1209
1210 if (!priv->btxpower_tracking) {
1211 rtl92e_writel(dev, rCCK0_TxFilter1, 0x35360000);
1212 rtl92e_writel(dev, rCCK0_TxFilter2, 0x121c252e);
1213 rtl92e_writel(dev, rCCK0_DebugPort, 0x00000409);
1214 } else {
1215 _rtl92e_cck_tx_power_track_bw_switch(dev);
1216 }
1217
1218 rtl92e_set_bb_reg(dev, rCCK0_System, bCCKSideBand,
1219 (priv->nCur40MhzPrimeSC>>1));
1220 rtl92e_set_bb_reg(dev, rOFDM1_LSTF, 0xC00,
1221 priv->nCur40MhzPrimeSC);
1222
1223 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter1, 0x00100000, 0);
1224 break;
1225 default:
1226 netdev_err(dev, "%s(): unknown Bandwidth: %#X\n", __func__,
1227 priv->CurrentChannelBW);
1228 break;
1229
1230 }
1231
1232 switch (priv->rf_chip) {
1233 case RF_8225:
1234 break;
1235
1236 case RF_8256:
1237 rtl92e_set_bandwidth(dev, priv->CurrentChannelBW);
1238 break;
1239
1240 case RF_8258:
1241 break;
1242
1243 case RF_PSEUDO_11N:
1244 break;
1245
1246 default:
1247 netdev_info(dev, "%s(): Unknown RFChipID: %d\n", __func__,
1248 priv->rf_chip);
1249 break;
1250 }
1251
1252 atomic_dec(&(priv->rtllib->atm_swbw));
1253 priv->SetBWModeInProgress = false;
1254
1255 RT_TRACE(COMP_SWBW, "<==SetBWMode819xUsb()");
1256 }
1257
rtl92e_set_bw_mode(struct net_device * dev,enum ht_channel_width Bandwidth,enum ht_extchnl_offset Offset)1258 void rtl92e_set_bw_mode(struct net_device *dev, enum ht_channel_width Bandwidth,
1259 enum ht_extchnl_offset Offset)
1260 {
1261 struct r8192_priv *priv = rtllib_priv(dev);
1262
1263
1264 if (priv->SetBWModeInProgress)
1265 return;
1266
1267 atomic_inc(&(priv->rtllib->atm_swbw));
1268 priv->SetBWModeInProgress = true;
1269
1270 priv->CurrentChannelBW = Bandwidth;
1271
1272 if (Offset == HT_EXTCHNL_OFFSET_LOWER)
1273 priv->nCur40MhzPrimeSC = HAL_PRIME_CHNL_OFFSET_UPPER;
1274 else if (Offset == HT_EXTCHNL_OFFSET_UPPER)
1275 priv->nCur40MhzPrimeSC = HAL_PRIME_CHNL_OFFSET_LOWER;
1276 else
1277 priv->nCur40MhzPrimeSC = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
1278
1279 _rtl92e_set_bw_mode_work_item(dev);
1280
1281 }
1282
rtl92e_init_gain(struct net_device * dev,u8 Operation)1283 void rtl92e_init_gain(struct net_device *dev, u8 Operation)
1284 {
1285 #define SCAN_RX_INITIAL_GAIN 0x17
1286 #define POWER_DETECTION_TH 0x08
1287 struct r8192_priv *priv = rtllib_priv(dev);
1288 u32 BitMask;
1289 u8 initial_gain;
1290
1291 if (priv->up) {
1292 switch (Operation) {
1293 case IG_Backup:
1294 RT_TRACE(COMP_SCAN,
1295 "IG_Backup, backup the initial gain.\n");
1296 initial_gain = SCAN_RX_INITIAL_GAIN;
1297 BitMask = bMaskByte0;
1298 if (dm_digtable.dig_algorithm ==
1299 DIG_ALGO_BY_FALSE_ALARM)
1300 rtl92e_set_bb_reg(dev, UFWP, bMaskByte1, 0x8);
1301 priv->initgain_backup.xaagccore1 =
1302 (u8)rtl92e_get_bb_reg(dev, rOFDM0_XAAGCCore1,
1303 BitMask);
1304 priv->initgain_backup.xbagccore1 =
1305 (u8)rtl92e_get_bb_reg(dev, rOFDM0_XBAGCCore1,
1306 BitMask);
1307 priv->initgain_backup.xcagccore1 =
1308 (u8)rtl92e_get_bb_reg(dev, rOFDM0_XCAGCCore1,
1309 BitMask);
1310 priv->initgain_backup.xdagccore1 =
1311 (u8)rtl92e_get_bb_reg(dev, rOFDM0_XDAGCCore1,
1312 BitMask);
1313 BitMask = bMaskByte2;
1314 priv->initgain_backup.cca = (u8)rtl92e_get_bb_reg(dev,
1315 rCCK0_CCA, BitMask);
1316
1317 RT_TRACE(COMP_SCAN,
1318 "Scan InitialGainBackup 0xc50 is %x\n",
1319 priv->initgain_backup.xaagccore1);
1320 RT_TRACE(COMP_SCAN,
1321 "Scan InitialGainBackup 0xc58 is %x\n",
1322 priv->initgain_backup.xbagccore1);
1323 RT_TRACE(COMP_SCAN,
1324 "Scan InitialGainBackup 0xc60 is %x\n",
1325 priv->initgain_backup.xcagccore1);
1326 RT_TRACE(COMP_SCAN,
1327 "Scan InitialGainBackup 0xc68 is %x\n",
1328 priv->initgain_backup.xdagccore1);
1329 RT_TRACE(COMP_SCAN,
1330 "Scan InitialGainBackup 0xa0a is %x\n",
1331 priv->initgain_backup.cca);
1332
1333 RT_TRACE(COMP_SCAN, "Write scan initial gain = 0x%x\n",
1334 initial_gain);
1335 rtl92e_writeb(dev, rOFDM0_XAAGCCore1, initial_gain);
1336 rtl92e_writeb(dev, rOFDM0_XBAGCCore1, initial_gain);
1337 rtl92e_writeb(dev, rOFDM0_XCAGCCore1, initial_gain);
1338 rtl92e_writeb(dev, rOFDM0_XDAGCCore1, initial_gain);
1339 RT_TRACE(COMP_SCAN, "Write scan 0xa0a = 0x%x\n",
1340 POWER_DETECTION_TH);
1341 rtl92e_writeb(dev, 0xa0a, POWER_DETECTION_TH);
1342 break;
1343 case IG_Restore:
1344 RT_TRACE(COMP_SCAN,
1345 "IG_Restore, restore the initial gain.\n");
1346 BitMask = 0x7f;
1347 if (dm_digtable.dig_algorithm ==
1348 DIG_ALGO_BY_FALSE_ALARM)
1349 rtl92e_set_bb_reg(dev, UFWP, bMaskByte1, 0x8);
1350
1351 rtl92e_set_bb_reg(dev, rOFDM0_XAAGCCore1, BitMask,
1352 (u32)priv->initgain_backup.xaagccore1);
1353 rtl92e_set_bb_reg(dev, rOFDM0_XBAGCCore1, BitMask,
1354 (u32)priv->initgain_backup.xbagccore1);
1355 rtl92e_set_bb_reg(dev, rOFDM0_XCAGCCore1, BitMask,
1356 (u32)priv->initgain_backup.xcagccore1);
1357 rtl92e_set_bb_reg(dev, rOFDM0_XDAGCCore1, BitMask,
1358 (u32)priv->initgain_backup.xdagccore1);
1359 BitMask = bMaskByte2;
1360 rtl92e_set_bb_reg(dev, rCCK0_CCA, BitMask,
1361 (u32)priv->initgain_backup.cca);
1362
1363 RT_TRACE(COMP_SCAN,
1364 "Scan BBInitialGainRestore 0xc50 is %x\n",
1365 priv->initgain_backup.xaagccore1);
1366 RT_TRACE(COMP_SCAN,
1367 "Scan BBInitialGainRestore 0xc58 is %x\n",
1368 priv->initgain_backup.xbagccore1);
1369 RT_TRACE(COMP_SCAN,
1370 "Scan BBInitialGainRestore 0xc60 is %x\n",
1371 priv->initgain_backup.xcagccore1);
1372 RT_TRACE(COMP_SCAN,
1373 "Scan BBInitialGainRestore 0xc68 is %x\n",
1374 priv->initgain_backup.xdagccore1);
1375 RT_TRACE(COMP_SCAN,
1376 "Scan BBInitialGainRestore 0xa0a is %x\n",
1377 priv->initgain_backup.cca);
1378
1379 rtl92e_set_tx_power(dev,
1380 priv->rtllib->current_network.channel);
1381
1382 if (dm_digtable.dig_algorithm ==
1383 DIG_ALGO_BY_FALSE_ALARM)
1384 rtl92e_set_bb_reg(dev, UFWP, bMaskByte1, 0x1);
1385 break;
1386 default:
1387 RT_TRACE(COMP_SCAN, "Unknown IG Operation.\n");
1388 break;
1389 }
1390 }
1391 }
1392
rtl92e_set_rf_off(struct net_device * dev)1393 void rtl92e_set_rf_off(struct net_device *dev)
1394 {
1395
1396 rtl92e_set_bb_reg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);
1397 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter4, 0x300, 0x0);
1398 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter1, 0x18, 0x0);
1399 rtl92e_set_bb_reg(dev, rOFDM0_TRxPathEnable, 0xf, 0x0);
1400 rtl92e_set_bb_reg(dev, rOFDM1_TRxPathEnable, 0xf, 0x0);
1401 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter1, 0x60, 0x0);
1402 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter1, 0x4, 0x0);
1403 rtl92e_writeb(dev, ANAPAR_FOR_8192PciE, 0x07);
1404
1405 }
1406
_rtl92e_set_rf_power_state(struct net_device * dev,enum rt_rf_power_state eRFPowerState)1407 static bool _rtl92e_set_rf_power_state(struct net_device *dev,
1408 enum rt_rf_power_state eRFPowerState)
1409 {
1410 struct r8192_priv *priv = rtllib_priv(dev);
1411 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1412 (&(priv->rtllib->PowerSaveControl));
1413 bool bResult = true;
1414 u8 i = 0, QueueID = 0;
1415 struct rtl8192_tx_ring *ring = NULL;
1416
1417 if (priv->SetRFPowerStateInProgress)
1418 return false;
1419 RT_TRACE(COMP_PS, "===========> %s!\n", __func__);
1420 priv->SetRFPowerStateInProgress = true;
1421
1422 switch (priv->rf_chip) {
1423 case RF_8256:
1424 switch (eRFPowerState) {
1425 case eRfOn:
1426 RT_TRACE(COMP_PS, "%s eRfOn!\n", __func__);
1427 if ((priv->rtllib->eRFPowerState == eRfOff) &&
1428 RT_IN_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC)) {
1429 bool rtstatus;
1430 u32 InitilizeCount = 3;
1431
1432 do {
1433 InitilizeCount--;
1434 priv->RegRfOff = false;
1435 rtstatus = rtl92e_enable_nic(dev);
1436 } while (!rtstatus && (InitilizeCount > 0));
1437
1438 if (!rtstatus) {
1439 netdev_err(dev,
1440 "%s(): Failed to initialize Adapter.\n",
1441 __func__);
1442 priv->SetRFPowerStateInProgress = false;
1443 return false;
1444 }
1445
1446 RT_CLEAR_PS_LEVEL(pPSC,
1447 RT_RF_OFF_LEVL_HALT_NIC);
1448 } else {
1449 rtl92e_writeb(dev, ANAPAR, 0x37);
1450 mdelay(1);
1451 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter1,
1452 0x4, 0x1);
1453 priv->bHwRfOffAction = 0;
1454
1455 rtl92e_set_bb_reg(dev, rFPGA0_XA_RFInterfaceOE,
1456 BIT4, 0x1);
1457 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter4,
1458 0x300, 0x3);
1459 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter1,
1460 0x18, 0x3);
1461 rtl92e_set_bb_reg(dev, rOFDM0_TRxPathEnable,
1462 0x3, 0x3);
1463 rtl92e_set_bb_reg(dev, rOFDM1_TRxPathEnable,
1464 0x3, 0x3);
1465 rtl92e_set_bb_reg(dev, rFPGA0_AnalogParameter1,
1466 0x60, 0x3);
1467
1468 }
1469
1470 break;
1471
1472 case eRfSleep:
1473 if (priv->rtllib->eRFPowerState == eRfOff)
1474 break;
1475
1476
1477 for (QueueID = 0, i = 0; QueueID < MAX_TX_QUEUE; ) {
1478 ring = &priv->tx_ring[QueueID];
1479
1480 if (skb_queue_len(&ring->queue) == 0) {
1481 QueueID++;
1482 continue;
1483 } else {
1484 RT_TRACE((COMP_POWER|COMP_RF),
1485 "eRf Off/Sleep: %d times TcbBusyQueue[%d] !=0 before doze!\n",
1486 (i+1), QueueID);
1487 udelay(10);
1488 i++;
1489 }
1490
1491 if (i >= MAX_DOZE_WAITING_TIMES_9x) {
1492 RT_TRACE(COMP_POWER, "\n\n\n TimeOut!! %s: eRfOff: %d times TcbBusyQueue[%d] != 0 !!!\n",
1493 __func__, MAX_DOZE_WAITING_TIMES_9x, QueueID);
1494 break;
1495 }
1496 }
1497 rtl92e_set_rf_off(dev);
1498 break;
1499
1500 case eRfOff:
1501 RT_TRACE(COMP_PS, "%s eRfOff/Sleep !\n", __func__);
1502
1503 for (QueueID = 0, i = 0; QueueID < MAX_TX_QUEUE; ) {
1504 ring = &priv->tx_ring[QueueID];
1505
1506 if (skb_queue_len(&ring->queue) == 0) {
1507 QueueID++;
1508 continue;
1509 } else {
1510 RT_TRACE(COMP_POWER,
1511 "eRf Off/Sleep: %d times TcbBusyQueue[%d] !=0 before doze!\n",
1512 (i+1), QueueID);
1513 udelay(10);
1514 i++;
1515 }
1516
1517 if (i >= MAX_DOZE_WAITING_TIMES_9x) {
1518 RT_TRACE(COMP_POWER,
1519 "\n\n\n SetZebra: RFPowerState8185B(): eRfOff: %d times TcbBusyQueue[%d] != 0 !!!\n",
1520 MAX_DOZE_WAITING_TIMES_9x,
1521 QueueID);
1522 break;
1523 }
1524 }
1525
1526 if (pPSC->RegRfPsLevel & RT_RF_OFF_LEVL_HALT_NIC &&
1527 !RT_IN_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC)) {
1528 rtl92e_disable_nic(dev);
1529 RT_SET_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
1530 } else if (!(pPSC->RegRfPsLevel &
1531 RT_RF_OFF_LEVL_HALT_NIC)) {
1532 rtl92e_set_rf_off(dev);
1533 }
1534
1535 break;
1536
1537 default:
1538 bResult = false;
1539 netdev_warn(dev,
1540 "%s(): Unknown state requested: 0x%X.\n",
1541 __func__, eRFPowerState);
1542 break;
1543 }
1544
1545 break;
1546
1547 default:
1548 netdev_warn(dev, "%s(): Unknown RF type\n", __func__);
1549 break;
1550 }
1551
1552 if (bResult) {
1553 priv->rtllib->eRFPowerState = eRFPowerState;
1554
1555 switch (priv->rf_chip) {
1556 case RF_8256:
1557 break;
1558
1559 default:
1560 netdev_warn(dev, "%s(): Unknown RF type\n", __func__);
1561 break;
1562 }
1563 }
1564
1565 priv->SetRFPowerStateInProgress = false;
1566 RT_TRACE(COMP_PS, "<=========== %s bResult = %d!\n", __func__, bResult);
1567 return bResult;
1568 }
1569
rtl92e_set_rf_power_state(struct net_device * dev,enum rt_rf_power_state eRFPowerState)1570 bool rtl92e_set_rf_power_state(struct net_device *dev,
1571 enum rt_rf_power_state eRFPowerState)
1572 {
1573 struct r8192_priv *priv = rtllib_priv(dev);
1574
1575 bool bResult = false;
1576
1577 RT_TRACE(COMP_PS,
1578 "---------> %s: eRFPowerState(%d)\n", __func__, eRFPowerState);
1579 if (eRFPowerState == priv->rtllib->eRFPowerState &&
1580 priv->bHwRfOffAction == 0) {
1581 RT_TRACE(COMP_PS, "<--------- %s: discard the request for eRFPowerState(%d) is the same.\n",
1582 __func__, eRFPowerState);
1583 return bResult;
1584 }
1585
1586 bResult = _rtl92e_set_rf_power_state(dev, eRFPowerState);
1587
1588 RT_TRACE(COMP_PS, "<--------- %s: bResult(%d)\n", __func__, bResult);
1589
1590 return bResult;
1591 }
1592
rtl92e_scan_op_backup(struct net_device * dev,u8 Operation)1593 void rtl92e_scan_op_backup(struct net_device *dev, u8 Operation)
1594 {
1595 struct r8192_priv *priv = rtllib_priv(dev);
1596
1597 if (priv->up) {
1598 switch (Operation) {
1599 case SCAN_OPT_BACKUP:
1600 priv->rtllib->InitialGainHandler(dev, IG_Backup);
1601 break;
1602
1603 case SCAN_OPT_RESTORE:
1604 priv->rtllib->InitialGainHandler(dev, IG_Restore);
1605 break;
1606
1607 default:
1608 RT_TRACE(COMP_SCAN, "Unknown Scan Backup Operation.\n");
1609 break;
1610 }
1611 }
1612 }
1613