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[karo-tx-linux.git] / drivers / staging / rtl8187se / r8185b_init.c
1 /*
2  * Copyright (c) Realtek Semiconductor Corp. All rights reserved.
3  *
4  * Module Name:
5  *      r8185b_init.c
6  *
7  * Abstract:
8  *      Hardware Initialization and Hardware IO for RTL8185B
9  *
10  * Major Change History:
11  *      When            Who                             What
12  *      ----------      ---------------         -------------------------------
13  *      2006-11-15      Xiong                   Created
14  *
15  * Notes:
16  *      This file is ported from RTL8185B Windows driver.
17  *
18  *
19  */
20
21 /*--------------------------Include File------------------------------------*/
22 #include <linux/spinlock.h>
23 #include "r8180_hw.h"
24 #include "r8180.h"
25 #include "r8180_rtl8225.h" /* RTL8225 Radio frontend */
26 #include "r8180_93cx6.h"   /* Card EEPROM */
27 #include "r8180_wx.h"
28 #include "ieee80211/dot11d.h"
29 /* #define CONFIG_RTL8180_IO_MAP */
30 #define TC_3W_POLL_MAX_TRY_CNT 5
31
32 static u8 MAC_REG_TABLE[][2] =  {
33         /*PAGA 0:       */
34         /* 0x34(BRSR), 0xBE(RATE_FALLBACK_CTL), 0x1E0(ARFR) would set in HwConfigureRTL8185() */
35         /* 0x272(RFSW_CTRL), 0x1CE(AESMSK_QC) set in InitializeAdapter8185(). */
36         /* 0x1F0~0x1F8  set in MacConfig_85BASIC() */
37         {0x08, 0xae}, {0x0a, 0x72}, {0x5b, 0x42},
38         {0x84, 0x88}, {0x85, 0x24}, {0x88, 0x54}, {0x8b, 0xb8}, {0x8c, 0x03},
39         {0x8d, 0x40}, {0x8e, 0x00}, {0x8f, 0x00}, {0x5b, 0x18}, {0x91, 0x03},
40         {0x94, 0x0F}, {0x95, 0x32},
41         {0x96, 0x00}, {0x97, 0x07}, {0xb4, 0x22}, {0xdb, 0x00},
42         {0xf0, 0x32}, {0xf1, 0x32}, {0xf2, 0x00}, {0xf3, 0x00}, {0xf4, 0x32},
43         {0xf5, 0x43}, {0xf6, 0x00}, {0xf7, 0x00}, {0xf8, 0x46}, {0xf9, 0xa4},
44         {0xfa, 0x00}, {0xfb, 0x00}, {0xfc, 0x96}, {0xfd, 0xa4}, {0xfe, 0x00},
45         {0xff, 0x00},
46
47         /*PAGE 1: */
48         /* For Flextronics system Logo PCIHCT failure: */
49         /* 0x1C4~0x1CD set no-zero value to avoid PCI configuration space 0x45[7]=1 */
50         {0x5e, 0x01},
51         {0x58, 0x00}, {0x59, 0x00}, {0x5a, 0x04}, {0x5b, 0x00}, {0x60, 0x24},
52         {0x61, 0x97}, {0x62, 0xF0}, {0x63, 0x09}, {0x80, 0x0F}, {0x81, 0xFF},
53         {0x82, 0xFF}, {0x83, 0x03},
54         {0xC4, 0x22}, {0xC5, 0x22}, {0xC6, 0x22}, {0xC7, 0x22}, {0xC8, 0x22}, /* lzm add 080826 */
55         {0xC9, 0x22}, {0xCA, 0x22}, {0xCB, 0x22}, {0xCC, 0x22}, {0xCD, 0x22}, /* lzm add 080826 */
56         {0xe2, 0x00},
57
58
59         /* PAGE 2: */
60         {0x5e, 0x02},
61         {0x0c, 0x04}, {0x4c, 0x30}, {0x4d, 0x08}, {0x50, 0x05}, {0x51, 0xf5},
62         {0x52, 0x04}, {0x53, 0xa0}, {0x54, 0xff}, {0x55, 0xff}, {0x56, 0xff},
63         {0x57, 0xff}, {0x58, 0x08}, {0x59, 0x08}, {0x5a, 0x08}, {0x5b, 0x08},
64         {0x60, 0x08}, {0x61, 0x08}, {0x62, 0x08}, {0x63, 0x08}, {0x64, 0x2f},
65         {0x8c, 0x3f}, {0x8d, 0x3f}, {0x8e, 0x3f},
66         {0x8f, 0x3f}, {0xc4, 0xff}, {0xc5, 0xff}, {0xc6, 0xff}, {0xc7, 0xff},
67         {0xc8, 0x00}, {0xc9, 0x00}, {0xca, 0x80}, {0xcb, 0x00},
68
69         /* PAGA 0: */
70         {0x5e, 0x00}, {0x9f, 0x03}
71         };
72
73
74 static u8  ZEBRA_AGC[] = {
75         0,
76         0x7E, 0x7E, 0x7E, 0x7E, 0x7D, 0x7C, 0x7B, 0x7A, 0x79, 0x78, 0x77, 0x76, 0x75, 0x74, 0x73, 0x72,
77         0x71, 0x70, 0x6F, 0x6E, 0x6D, 0x6C, 0x6B, 0x6A, 0x69, 0x68, 0x67, 0x66, 0x65, 0x64, 0x63, 0x62,
78         0x48, 0x47, 0x46, 0x45, 0x44, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x08, 0x07,
79         0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
80         0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x15, 0x16,
81         0x17, 0x17, 0x18, 0x18, 0x19, 0x1a, 0x1a, 0x1b, 0x1b, 0x1c, 0x1c, 0x1d, 0x1d, 0x1d, 0x1e, 0x1e,
82         0x1f, 0x1f, 0x1f, 0x20, 0x20, 0x20, 0x20, 0x21, 0x21, 0x21, 0x22, 0x22, 0x22, 0x23, 0x23, 0x24,
83         0x24, 0x25, 0x25, 0x25, 0x26, 0x26, 0x27, 0x27, 0x2F, 0x2F, 0x2F, 0x2F, 0x2F, 0x2F, 0x2F, 0x2F
84         };
85
86 static u32 ZEBRA_RF_RX_GAIN_TABLE[] = {
87         0x0096, 0x0076, 0x0056, 0x0036, 0x0016, 0x01f6, 0x01d6, 0x01b6,
88         0x0196, 0x0176, 0x00F7, 0x00D7, 0x00B7, 0x0097, 0x0077, 0x0057,
89         0x0037, 0x00FB, 0x00DB, 0x00BB, 0x00FF, 0x00E3, 0x00C3, 0x00A3,
90         0x0083, 0x0063, 0x0043, 0x0023, 0x0003, 0x01E3, 0x01C3, 0x01A3,
91         0x0183, 0x0163, 0x0143, 0x0123, 0x0103
92         };
93
94 static u8 OFDM_CONFIG[] = {
95         /* OFDM reg0x06[7:0]=0xFF: Enable power saving mode in RX */
96         /* OFDM reg0x3C[4]=1'b1: Enable RX power saving mode */
97         /* ofdm 0x3a = 0x7b ,(original : 0xfb) For ECS shielding room TP test */
98         /* 0x00 */
99         0x10, 0x0F, 0x0A, 0x0C, 0x14, 0xFA, 0xFF, 0x50,
100         0x00, 0x50, 0x00, 0x00, 0x00, 0x5C, 0x00, 0x00,
101         /* 0x10 */
102         0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0xA8, 0x26,
103         0x32, 0x33, 0x06, 0xA5, 0x6F, 0x55, 0xC8, 0xBB,
104         /* 0x20 */
105         0x0A, 0xE1, 0x2C, 0x4A, 0x86, 0x83, 0x34, 0x00,
106         0x4F, 0x24, 0x6F, 0xC2, 0x03, 0x40, 0x80, 0x00,
107         /* 0x30 */
108         0xC0, 0xC1, 0x58, 0xF1, 0x00, 0xC4, 0x90, 0x3e,
109         0xD8, 0x3C, 0x7B, 0x10, 0x10
110         };
111
112         /*---------------------------------------------------------------
113          *      Hardware IO
114          *      the code is ported from Windows source code
115          *---------------------------------------------------------------
116          */
117
118 static u8 PlatformIORead1Byte(struct net_device *dev, u32 offset)
119 {
120         return read_nic_byte(dev, offset);
121 }
122
123 static void PlatformIOWrite1Byte(struct net_device *dev, u32 offset, u8 data)
124 {
125         write_nic_byte(dev, offset, data);
126         read_nic_byte(dev, offset); /* To make sure write operation is completed, 2005.11.09, by rcnjko. */
127 }
128
129 static void PlatformIOWrite2Byte(struct net_device *dev, u32 offset, u16 data)
130 {
131         write_nic_word(dev, offset, data);
132         read_nic_word(dev, offset); /* To make sure write operation is completed, 2005.11.09, by rcnjko. */
133 }
134
135 static void PlatformIOWrite4Byte(struct net_device *dev, u32 offset, u32 data)
136 {
137         if (offset == PhyAddr) {
138                 /* For Base Band configuration. */
139                 unsigned char   cmdByte;
140                 unsigned long   dataBytes;
141                 unsigned char   idx;
142                 u8              u1bTmp;
143
144                 cmdByte = (u8)(data & 0x000000ff);
145                 dataBytes = data>>8;
146
147                 /*
148                  *      071010, rcnjko:
149                  *      The critical section is only BB read/write race condition.
150                  *      Assumption:
151                  *      1. We assume NO one will access BB at DIRQL, otherwise, system will crash for
152                  *      acquiring the spinlock in such context.
153                  *      2. PlatformIOWrite4Byte() MUST NOT be recursive.
154                  */
155                 /* NdisAcquireSpinLock( &(pDevice->IoSpinLock) ); */
156
157                 for (idx = 0; idx < 30; idx++) {
158                         /* Make sure command bit is clear before access it. */
159                         u1bTmp = PlatformIORead1Byte(dev, PhyAddr);
160                         if ((u1bTmp & BIT7) == 0)
161                                 break;
162                         else
163                                 mdelay(10);
164                 }
165
166                 for (idx = 0; idx < 3; idx++)
167                         PlatformIOWrite1Byte(dev, offset+1+idx, ((u8 *)&dataBytes)[idx]);
168
169                 write_nic_byte(dev, offset, cmdByte);
170
171                 /* NdisReleaseSpinLock( &(pDevice->IoSpinLock) ); */
172         } else {
173                 write_nic_dword(dev, offset, data);
174                 read_nic_dword(dev, offset); /* To make sure write operation is completed, 2005.11.09, by rcnjko. */
175         }
176 }
177
178 static void SetOutputEnableOfRfPins(struct net_device *dev)
179 {
180         write_nic_word(dev, RFPinsEnable, 0x1bff);
181 }
182
183 static bool HwHSSIThreeWire(struct net_device *dev,
184                             u8 *pDataBuf,
185                             bool write)
186 {
187         u8      TryCnt;
188         u8      u1bTmp;
189
190         /* Check if WE and RE are cleared. */
191         for (TryCnt = 0; TryCnt < TC_3W_POLL_MAX_TRY_CNT; TryCnt++) {
192                 u1bTmp = read_nic_byte(dev, SW_3W_CMD1);
193                 if ((u1bTmp & (SW_3W_CMD1_RE|SW_3W_CMD1_WE)) == 0)
194                         break;
195
196                 udelay(10);
197         }
198         if (TryCnt == TC_3W_POLL_MAX_TRY_CNT) {
199                 netdev_err(dev,
200                            "HwThreeWire(): CmdReg: %#X RE|WE bits are not clear!!\n",
201                            u1bTmp);
202         return false;
203         }
204
205         /* RTL8187S HSSI Read/Write Function */
206         u1bTmp = read_nic_byte(dev, RF_SW_CONFIG);
207         u1bTmp |= RF_SW_CFG_SI; /* reg08[1]=1 Serial Interface(SI) */
208         write_nic_byte(dev, RF_SW_CONFIG, u1bTmp);
209
210         /* jong: HW SI read must set reg84[3]=0. */
211         u1bTmp = read_nic_byte(dev, RFPinsSelect);
212         u1bTmp &= ~BIT3;
213         write_nic_byte(dev, RFPinsSelect, u1bTmp);
214         /*  Fill up data buffer for write operation. */
215
216         /* SI - reg274[3:0] : RF register's Address */
217         if (write)
218                 write_nic_word(dev, SW_3W_DB0, *((u16 *)pDataBuf));
219         else
220                 write_nic_word(dev, SW_3W_DB0, *((u16 *)pDataBuf));
221
222         /* Set up command: WE or RE. */
223         if (write)
224                 write_nic_byte(dev, SW_3W_CMD1, SW_3W_CMD1_WE);
225         else
226                 write_nic_byte(dev, SW_3W_CMD1, SW_3W_CMD1_RE);
227
228
229         /* Check if DONE is set. */
230         for (TryCnt = 0; TryCnt < TC_3W_POLL_MAX_TRY_CNT; TryCnt++) {
231                 u1bTmp = read_nic_byte(dev, SW_3W_CMD1);
232                 if (u1bTmp & SW_3W_CMD1_DONE)
233                         break;
234
235                 udelay(10);
236         }
237
238         write_nic_byte(dev, SW_3W_CMD1, 0);
239
240         /* Read back data for read operation. */
241         if (!write) {
242                 /* Serial Interface : reg363_362[11:0] */
243                 *((u16 *)pDataBuf) = read_nic_word(dev, SI_DATA_READ);
244                 *((u16 *)pDataBuf) &= 0x0FFF;
245         }
246
247         return true;
248 }
249
250 void RF_WriteReg(struct net_device *dev, u8 offset, u16 data)
251 {
252         u16 reg = (data << 4) | (offset & 0x0f);
253         HwHSSIThreeWire(dev, (u8 *)&reg, true);
254 }
255
256 u16 RF_ReadReg(struct net_device *dev, u8 offset)
257 {
258         u16 reg = offset & 0x0f;
259         HwHSSIThreeWire(dev, (u8 *)&reg, false);
260         return reg;
261 }
262
263 static u8 ReadBBPortUchar(struct net_device *dev, u32 addr)
264 {
265         PlatformIOWrite4Byte(dev, PhyAddr, addr & 0xffffff7f);
266         return PlatformIORead1Byte(dev, PhyDataR);
267 }
268
269 /* by Owen on 04/07/14 for writing BB register successfully */
270 static void WriteBBPortUchar(struct net_device *dev, u32 Data)
271 {
272         PlatformIOWrite4Byte(dev, PhyAddr, Data);
273         ReadBBPortUchar(dev, Data);
274 }
275
276 /*
277  *      Description:
278  *      Perform Antenna settings with antenna diversity on 87SE.
279  *              Created by Roger, 2008.01.25.
280  */
281 bool SetAntennaConfig87SE(struct net_device *dev,
282                           u8   DefaultAnt, /* 0: Main, 1: Aux. */
283                           bool bAntDiversity) /* 1:Enable, 0: Disable. */
284 {
285         struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
286         bool   bAntennaSwitched = true;
287         u8      ant_diversity_offset = 0x00; /* 0x00 = disabled, 0x80 = enabled */
288
289         /* printk("SetAntennaConfig87SE(): DefaultAnt(%d), bAntDiversity(%d)\n", DefaultAnt, bAntDiversity); */
290
291         /* Threshold for antenna diversity. */
292         write_phy_cck(dev, 0x0c, 0x09); /* Reg0c : 09 */
293
294         if (bAntDiversity)      /*      Enable Antenna Diversity. */
295                 ant_diversity_offset = 0x80;
296
297         if (DefaultAnt == 1) { /* aux Antenna */
298                 /* Mac register, aux antenna */
299                 write_nic_byte(dev, ANTSEL, 0x00);
300
301                 /* Config CCK RX antenna. */
302                 write_phy_cck(dev, 0x11, 0xbb); /* Reg11 : bb */
303                 write_phy_cck(dev, 0x01, 0x47|ant_diversity_offset); /* Reg01 : 47 | ant_diversity_offset */
304
305                 /* Config OFDM RX antenna. */
306                 write_phy_ofdm(dev, 0x0D, 0x54);        /* Reg0d : 54 */
307                 write_phy_ofdm(dev, 0x18, 0x32|ant_diversity_offset);   /* Reg18 : 32 */
308         } else { /* main Antenna */
309                 /* Mac register, main antenna */
310                 write_nic_byte(dev, ANTSEL, 0x03);
311
312                 /* Config CCK RX antenna.       */
313                 write_phy_cck(dev, 0x11, 0x9b); /* Reg11 : 9b */
314                 write_phy_cck(dev, 0x01, 0x47|ant_diversity_offset); /* Reg01 : 47 */
315
316                 /* Config OFDM RX antenna. */
317                 write_phy_ofdm(dev, 0x0D, 0x5c); /* Reg0d : 5c */
318                 write_phy_ofdm(dev, 0x18, 0x32|ant_diversity_offset); /*Reg18 : 32 */
319         }
320         priv->CurrAntennaIndex = DefaultAnt; /* Update default settings. */
321         return  bAntennaSwitched;
322 }
323 /*
324  *--------------------------------------------------------------
325  *              Hardware Initialization.
326  *              the code is ported from Windows source code
327  *--------------------------------------------------------------
328  */
329
330 static void ZEBRA_Config_85BASIC_HardCode(struct net_device *dev)
331 {
332
333         struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
334         u32                     i;
335         u32     addr, data;
336         u32 u4bRegOffset, u4bRegValue;
337         u16 u4bRF23, u4bRF24;
338         u8                      u1b24E;
339         int d_cut = 0;
340
341
342 /*
343  *===========================================================================
344  *      87S_PCIE :: RADIOCFG.TXT
345  *===========================================================================
346  */
347
348
349         /* Page1 : reg16-reg30 */
350         RF_WriteReg(dev, 0x00, 0x013f);         mdelay(1); /* switch to page1 */
351         u4bRF23 = RF_ReadReg(dev, 0x08);        mdelay(1);
352         u4bRF24 = RF_ReadReg(dev, 0x09);        mdelay(1);
353
354         if (u4bRF23 == 0x818 && u4bRF24 == 0x70C) {
355                 d_cut = 1;
356                 netdev_info(dev, "card type changed from C- to D-cut\n");
357         }
358
359         /* Page0 : reg0-reg15 */
360
361         RF_WriteReg(dev, 0x00, 0x009f);         mdelay(1);/* 1  */
362         RF_WriteReg(dev, 0x01, 0x06e0);         mdelay(1);
363         RF_WriteReg(dev, 0x02, 0x004d);         mdelay(1);/* 2  */
364         RF_WriteReg(dev, 0x03, 0x07f1);         mdelay(1);/* 3  */
365         RF_WriteReg(dev, 0x04, 0x0975);         mdelay(1);
366         RF_WriteReg(dev, 0x05, 0x0c72);         mdelay(1);
367         RF_WriteReg(dev, 0x06, 0x0ae6);         mdelay(1);
368         RF_WriteReg(dev, 0x07, 0x00ca);         mdelay(1);
369         RF_WriteReg(dev, 0x08, 0x0e1c);         mdelay(1);
370         RF_WriteReg(dev, 0x09, 0x02f0);         mdelay(1);
371         RF_WriteReg(dev, 0x0a, 0x09d0);         mdelay(1);
372         RF_WriteReg(dev, 0x0b, 0x01ba);         mdelay(1);
373         RF_WriteReg(dev, 0x0c, 0x0640);         mdelay(1);
374         RF_WriteReg(dev, 0x0d, 0x08df);         mdelay(1);
375         RF_WriteReg(dev, 0x0e, 0x0020);         mdelay(1);
376         RF_WriteReg(dev, 0x0f, 0x0990);         mdelay(1);
377
378         /*  Page1 : reg16-reg30 */
379         RF_WriteReg(dev, 0x00, 0x013f);         mdelay(1);
380         RF_WriteReg(dev, 0x03, 0x0806);         mdelay(1);
381         RF_WriteReg(dev, 0x04, 0x03a7);         mdelay(1);
382         RF_WriteReg(dev, 0x05, 0x059b);         mdelay(1);
383         RF_WriteReg(dev, 0x06, 0x0081);         mdelay(1);
384         RF_WriteReg(dev, 0x07, 0x01A0);         mdelay(1);
385 /* Don't write RF23/RF24 to make a difference between 87S C cut and D cut. asked by SD3 stevenl. */
386         RF_WriteReg(dev, 0x0a, 0x0001);         mdelay(1);
387         RF_WriteReg(dev, 0x0b, 0x0418);         mdelay(1);
388
389         if (d_cut) {
390                 RF_WriteReg(dev, 0x0c, 0x0fbe);         mdelay(1);
391                 RF_WriteReg(dev, 0x0d, 0x0008);         mdelay(1);
392                 RF_WriteReg(dev, 0x0e, 0x0807);         mdelay(1); /* RX LO buffer */
393         } else {
394                 RF_WriteReg(dev, 0x0c, 0x0fbe);         mdelay(1);
395                 RF_WriteReg(dev, 0x0d, 0x0008);         mdelay(1);
396                 RF_WriteReg(dev, 0x0e, 0x0806);         mdelay(1); /* RX LO buffer */
397         }
398
399         RF_WriteReg(dev, 0x0f, 0x0acc);         mdelay(1);
400         RF_WriteReg(dev, 0x00, 0x01d7);         mdelay(1); /* 6 */
401         RF_WriteReg(dev, 0x03, 0x0e00);         mdelay(1);
402         RF_WriteReg(dev, 0x04, 0x0e50);         mdelay(1);
403
404         for (i = 0; i <= 36; i++) {
405                 RF_WriteReg(dev, 0x01, i);              mdelay(1);
406                 RF_WriteReg(dev, 0x02, ZEBRA_RF_RX_GAIN_TABLE[i]); mdelay(1);
407         }
408
409         RF_WriteReg(dev, 0x05, 0x0203);         mdelay(1); /* 203, 343 */
410         RF_WriteReg(dev, 0x06, 0x0200);         mdelay(1); /* 400 */
411         RF_WriteReg(dev, 0x00, 0x0137);         mdelay(1); /* switch to reg16-reg30, and HSSI disable 137 */
412         mdelay(10); /* Deay 10 ms. */           /* 0xfd */
413
414         RF_WriteReg(dev, 0x0d, 0x0008);         mdelay(1); /* Z4 synthesizer loop filter setting, 392 */
415         mdelay(10); /* Deay 10 ms. */           /* 0xfd */
416
417         RF_WriteReg(dev, 0x00, 0x0037);         mdelay(1); /* switch to reg0-reg15, and HSSI disable */
418         mdelay(10); /* Deay 10 ms. */           /* 0xfd */
419
420         RF_WriteReg(dev, 0x04, 0x0160);         mdelay(1); /* CBC on, Tx Rx disable, High gain */
421         mdelay(10); /* Deay 10 ms. */           /* 0xfd */
422
423         RF_WriteReg(dev, 0x07, 0x0080);         mdelay(1); /* Z4 setted channel 1 */
424         mdelay(10); /* Deay 10 ms. */           /* 0xfd */
425
426         RF_WriteReg(dev, 0x02, 0x088D);         mdelay(1); /* LC calibration */
427         mdelay(200); /* Deay 200 ms. */         /* 0xfd */
428         mdelay(10);  /* Deay 10 ms. */          /* 0xfd */
429         mdelay(10);  /* Deay 10 ms. */          /* 0xfd */
430
431         RF_WriteReg(dev, 0x00, 0x0137);         mdelay(1); /* switch to reg16-reg30 137, and HSSI disable 137 */
432         mdelay(10); /* Deay 10 ms. */           /* 0xfd */
433
434         RF_WriteReg(dev, 0x07, 0x0000);         mdelay(1);
435         RF_WriteReg(dev, 0x07, 0x0180);         mdelay(1);
436         RF_WriteReg(dev, 0x07, 0x0220);         mdelay(1);
437         RF_WriteReg(dev, 0x07, 0x03E0);         mdelay(1);
438
439         /* DAC calibration off 20070702 */
440         RF_WriteReg(dev, 0x06, 0x00c1);         mdelay(1);
441         RF_WriteReg(dev, 0x0a, 0x0001);         mdelay(1);
442         /* For crystal calibration, added by Roger, 2007.12.11. */
443         if (priv->bXtalCalibration) { /* reg 30.        */
444          /*
445           *  enable crystal calibration.
446           *             RF Reg[30], (1)Xin:[12:9], Xout:[8:5],  addr[4:0].
447           *             (2)PA Pwr delay timer[15:14], default: 2.4us, set BIT15=0
448           *             (3)RF signal on/off when calibration[13], default: on, set BIT13=0.
449           *             So we should minus 4 BITs offset. 
450           */
451                 RF_WriteReg(dev, 0x0f, (priv->XtalCal_Xin<<5) | (priv->XtalCal_Xout<<1) | BIT11 | BIT9); mdelay(1);
452                 printk("ZEBRA_Config_85BASIC_HardCode(): (%02x)\n",
453                       (priv->XtalCal_Xin<<5) | (priv->XtalCal_Xout<<1) | BIT11 | BIT9);
454         } else {
455                 /* using default value. Xin=6, Xout=6.  */
456                 RF_WriteReg(dev, 0x0f, 0x0acc);         mdelay(1);
457         }
458
459         RF_WriteReg(dev, 0x00, 0x00bf);         mdelay(1); /* switch to reg0-reg15, and HSSI enable */
460         RF_WriteReg(dev, 0x0d, 0x08df);         mdelay(1); /* Rx BB start calibration, 00c//+edward */
461         RF_WriteReg(dev, 0x02, 0x004d);         mdelay(1); /* temperature meter off */
462         RF_WriteReg(dev, 0x04, 0x0975);         mdelay(1); /* Rx mode */
463         mdelay(10);     /* Deay 10 ms.*/        /* 0xfe */
464         mdelay(10);     /* Deay 10 ms.*/        /* 0xfe */
465         mdelay(10);     /* Deay 10 ms.*/        /* 0xfe */
466         RF_WriteReg(dev, 0x00, 0x0197);         mdelay(1); /* Rx mode*/ /*+edward */
467         RF_WriteReg(dev, 0x05, 0x05ab);         mdelay(1); /* Rx mode*/ /*+edward */
468         RF_WriteReg(dev, 0x00, 0x009f);         mdelay(1); /* Rx mode*/ /*+edward */
469         RF_WriteReg(dev, 0x01, 0x0000);         mdelay(1); /* Rx mode*/ /*+edward */
470         RF_WriteReg(dev, 0x02, 0x0000);         mdelay(1); /* Rx mode*/ /*+edward */
471         /* power save parameters. */
472         u1b24E = read_nic_byte(dev, 0x24E);
473         write_nic_byte(dev, 0x24E, (u1b24E & (~(BIT5|BIT6))));
474
475         /*=============================================================================
476          *
477          *===========================================================================
478          * CCKCONF.TXT
479          *===========================================================================
480          *
481          *      [POWER SAVE] Power Saving Parameters by jong. 2007-11-27
482          *      CCK reg0x00[7]=1'b1 :power saving for TX (default)
483          *      CCK reg0x00[6]=1'b1: power saving for RX (default)
484          *      CCK reg0x06[4]=1'b1: turn off channel estimation related circuits if not doing channel estimation.
485          *      CCK reg0x06[3]=1'b1: turn off unused circuits before cca = 1
486          *      CCK reg0x06[2]=1'b1: turn off cck's circuit if macrst =0
487          */
488
489         write_phy_cck(dev, 0x00, 0xc8);
490         write_phy_cck(dev, 0x06, 0x1c);
491         write_phy_cck(dev, 0x10, 0x78);
492         write_phy_cck(dev, 0x2e, 0xd0);
493         write_phy_cck(dev, 0x2f, 0x06);
494         write_phy_cck(dev, 0x01, 0x46);
495
496         /* power control */
497         write_nic_byte(dev, CCK_TXAGC, 0x10);
498         write_nic_byte(dev, OFDM_TXAGC, 0x1B);
499         write_nic_byte(dev, ANTSEL, 0x03);
500
501
502
503         /*
504          *===========================================================================
505          *      AGC.txt
506          *===========================================================================
507          */
508
509         write_phy_ofdm(dev, 0x00, 0x12);
510
511         for (i = 0; i < 128; i++) {
512
513                 data = ZEBRA_AGC[i+1];
514                 data = data << 8;
515                 data = data | 0x0000008F;
516
517                 addr = i + 0x80; /* enable writing AGC table */
518                 addr = addr << 8;
519                 addr = addr | 0x0000008E;
520
521                 WriteBBPortUchar(dev, data);
522                 WriteBBPortUchar(dev, addr);
523                 WriteBBPortUchar(dev, 0x0000008E);
524         }
525
526         PlatformIOWrite4Byte(dev, PhyAddr, 0x00001080); /* Annie, 2006-05-05 */
527
528         /*
529          *===========================================================================
530          *
531          *===========================================================================
532          * OFDMCONF.TXT
533          *===========================================================================
534          */
535
536         for (i = 0; i < 60; i++) {
537                 u4bRegOffset = i;
538                 u4bRegValue = OFDM_CONFIG[i];
539
540                 WriteBBPortUchar(dev,
541                                 (0x00000080 |
542                                 (u4bRegOffset & 0x7f) |
543                                 ((u4bRegValue & 0xff) << 8)));
544         }
545
546         /*
547          *===========================================================================
548          * by amy for antenna
549          *===========================================================================
550          */
551         /* Config Sw/Hw  Combinational Antenna Diversity. Added by Roger, 2008.02.26.   */
552         SetAntennaConfig87SE(dev, priv->bDefaultAntenna1, priv->bSwAntennaDiverity);
553 }
554
555
556 void UpdateInitialGain(struct net_device *dev)
557 {
558         struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
559
560         /* lzm add 080826 */
561         if (priv->eRFPowerState != eRfOn) {
562                 /*      Don't access BB/RF under disable PLL situation.
563                  *      RT_TRACE(COMP_DIG, DBG_LOUD, ("UpdateInitialGain - pHalData->eRFPowerState!=eRfOn\n"));
564                  *      Back to the original state
565                  */
566                 priv->InitialGain = priv->InitialGainBackUp;
567                 return;
568         }
569
570         switch (priv->InitialGain) {
571         case 1: /* m861dBm */
572                 write_phy_ofdm(dev, 0x17, 0x26);        mdelay(1);
573                 write_phy_ofdm(dev, 0x24, 0x86);        mdelay(1);
574                 write_phy_ofdm(dev, 0x05, 0xfa);        mdelay(1);
575                 break;
576
577         case 2: /* m862dBm */
578                 write_phy_ofdm(dev, 0x17, 0x36);        mdelay(1);
579                 write_phy_ofdm(dev, 0x24, 0x86);        mdelay(1);
580                 write_phy_ofdm(dev, 0x05, 0xfa);        mdelay(1);
581                 break;
582
583         case 3: /* m863dBm */
584                 write_phy_ofdm(dev, 0x17, 0x36);        mdelay(1);
585                 write_phy_ofdm(dev, 0x24, 0x86);        mdelay(1);
586                 write_phy_ofdm(dev, 0x05, 0xfb);        mdelay(1);
587                 break;
588
589         case 4: /* m864dBm */
590                 write_phy_ofdm(dev, 0x17, 0x46);        mdelay(1);
591                 write_phy_ofdm(dev, 0x24, 0x86);        mdelay(1);
592                 write_phy_ofdm(dev, 0x05, 0xfb);        mdelay(1);
593                 break;
594
595         case 5: /* m82dBm */
596                 write_phy_ofdm(dev, 0x17, 0x46);        mdelay(1);
597                 write_phy_ofdm(dev, 0x24, 0x96);        mdelay(1);
598                 write_phy_ofdm(dev, 0x05, 0xfb);        mdelay(1);
599                 break;
600
601         case 6: /* m78dBm */
602                 write_phy_ofdm(dev, 0x17, 0x56);        mdelay(1);
603                 write_phy_ofdm(dev, 0x24, 0x96);        mdelay(1);
604                 write_phy_ofdm(dev, 0x05, 0xfc);        mdelay(1);
605                 break;
606
607         case 7: /* m74dBm */
608                 write_phy_ofdm(dev, 0x17, 0x56);        mdelay(1);
609                 write_phy_ofdm(dev, 0x24, 0xa6);        mdelay(1);
610                 write_phy_ofdm(dev, 0x05, 0xfc);        mdelay(1);
611                 break;
612
613         case 8:
614                 write_phy_ofdm(dev, 0x17, 0x66);        mdelay(1);
615                 write_phy_ofdm(dev, 0x24, 0xb6);        mdelay(1);
616                 write_phy_ofdm(dev, 0x05, 0xfc);        mdelay(1);
617                 break;
618
619         default: /* MP */
620                 write_phy_ofdm(dev, 0x17, 0x26);        mdelay(1);
621                 write_phy_ofdm(dev, 0x24, 0x86);        mdelay(1);
622                 write_phy_ofdm(dev, 0x05, 0xfa);        mdelay(1);
623                 break;
624         }
625 }
626 /*
627  *      Description:
628  *              Tx Power tracking mechanism routine on 87SE.
629  *      Created by Roger, 2007.12.11.
630  */
631 static void InitTxPwrTracking87SE(struct net_device *dev)
632 {
633         u32     u4bRfReg;
634
635         u4bRfReg = RF_ReadReg(dev, 0x02);
636
637         /* Enable Thermal meter indication.     */
638         RF_WriteReg(dev, 0x02, u4bRfReg|PWR_METER_EN);                  mdelay(1);
639 }
640
641 static void PhyConfig8185(struct net_device *dev)
642 {
643         struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
644                 write_nic_dword(dev, RCR, priv->ReceiveConfig);
645            priv->RFProgType = read_nic_byte(dev, CONFIG4) & 0x03;
646         /*  RF config */
647         ZEBRA_Config_85BASIC_HardCode(dev);
648         /* Set default initial gain state to 4, approved by SD3 DZ, by Bruce, 2007-06-06. */
649         if (priv->bDigMechanism) {
650                 if (priv->InitialGain == 0)
651                         priv->InitialGain = 4;
652         }
653
654         /*
655          *      Enable thermal meter indication to implement TxPower tracking on 87SE.
656          *      We initialize thermal meter here to avoid unsuccessful configuration.
657          *      Added by Roger, 2007.12.11.
658          */
659         if (priv->bTxPowerTrack)
660                 InitTxPwrTracking87SE(dev);
661
662         priv->InitialGainBackUp = priv->InitialGain;
663         UpdateInitialGain(dev);
664
665         return;
666 }
667
668 static void HwConfigureRTL8185(struct net_device *dev)
669 {
670         /* RTL8185_TODO: Determine Retrylimit, TxAGC, AutoRateFallback control. */
671         u8 bUNIVERSAL_CONTROL_RL = 0;
672         u8 bUNIVERSAL_CONTROL_AGC = 1;
673         u8 bUNIVERSAL_CONTROL_ANT = 1;
674         u8 bAUTO_RATE_FALLBACK_CTL = 1;
675         u8 val8;
676         write_nic_word(dev, BRSR, 0x0fff);
677         /* Retry limit */
678         val8 = read_nic_byte(dev, CW_CONF);
679
680         if (bUNIVERSAL_CONTROL_RL)
681                 val8 = val8 & 0xfd;
682         else
683                 val8 = val8 | 0x02;
684
685         write_nic_byte(dev, CW_CONF, val8);
686
687         /* Tx AGC */
688         val8 = read_nic_byte(dev, TXAGC_CTL);
689         if (bUNIVERSAL_CONTROL_AGC) {
690                 write_nic_byte(dev, CCK_TXAGC, 128);
691                 write_nic_byte(dev, OFDM_TXAGC, 128);
692                 val8 = val8 & 0xfe;
693         } else {
694                 val8 = val8 | 0x01 ;
695         }
696
697
698         write_nic_byte(dev, TXAGC_CTL, val8);
699
700         /* Tx Antenna including Feedback control */
701         val8 = read_nic_byte(dev, TXAGC_CTL);
702
703         if (bUNIVERSAL_CONTROL_ANT) {
704                 write_nic_byte(dev, ANTSEL, 0x00);
705                 val8 = val8 & 0xfd;
706         } else {
707                 val8 = val8 & (val8|0x02); /* xiong-2006-11-15 */
708         }
709
710         write_nic_byte(dev, TXAGC_CTL, val8);
711
712         /* Auto Rate fallback control   */
713         val8 = read_nic_byte(dev, RATE_FALLBACK);
714         val8 &= 0x7c;
715         if (bAUTO_RATE_FALLBACK_CTL) {
716                 val8 |= RATE_FALLBACK_CTL_ENABLE | RATE_FALLBACK_CTL_AUTO_STEP1;
717
718                 /* <RJ_TODO_8185B> We shall set up the ARFR according to user's setting. */
719                 PlatformIOWrite2Byte(dev, ARFR, 0x0fff); /* set 1M ~ 54Mbps. */
720         }
721         write_nic_byte(dev, RATE_FALLBACK, val8);
722 }
723
724 static void MacConfig_85BASIC_HardCode(struct net_device *dev)
725 {
726         /*
727          *==========================================================================
728          * MACREG.TXT
729          *==========================================================================
730          */
731         int nLinesRead = 0;
732         u32 u4bRegOffset, u4bRegValue, u4bPageIndex = 0;
733         int i;
734
735         nLinesRead = sizeof(MAC_REG_TABLE)/2;
736
737         for (i = 0; i < nLinesRead; i++) { /* nLinesRead=101 */
738                 u4bRegOffset = MAC_REG_TABLE[i][0];
739                 u4bRegValue = MAC_REG_TABLE[i][1];
740
741                                 if (u4bRegOffset == 0x5e)
742                                         u4bPageIndex = u4bRegValue;
743                                 else
744                                         u4bRegOffset |= (u4bPageIndex << 8);
745
746                 write_nic_byte(dev, u4bRegOffset, (u8)u4bRegValue);
747         }
748         /* ============================================================================ */
749 }
750
751 static void MacConfig_85BASIC(struct net_device *dev)
752 {
753
754         u8                      u1DA;
755         MacConfig_85BASIC_HardCode(dev);
756
757         /* ============================================================================ */
758
759         /* Follow TID_AC_MAP of WMac. */
760         write_nic_word(dev, TID_AC_MAP, 0xfa50);
761
762         /* Interrupt Migration, Jong suggested we use set 0x0000 first, 2005.12.14, by rcnjko. */
763         write_nic_word(dev, IntMig, 0x0000);
764
765         /* Prevent TPC to cause CRC error. Added by Annie, 2006-06-10. */
766         PlatformIOWrite4Byte(dev, 0x1F0, 0x00000000);
767         PlatformIOWrite4Byte(dev, 0x1F4, 0x00000000);
768         PlatformIOWrite1Byte(dev, 0x1F8, 0x00);
769
770         /* Asked for by SD3 CM Lin, 2006.06.27, by rcnjko. */
771         /* power save parameter based on "87SE power save parameters 20071127.doc", as follow. */
772
773         /* Enable DA10 TX power saving */
774         u1DA = read_nic_byte(dev, PHYPR);
775         write_nic_byte(dev, PHYPR, (u1DA | BIT2));
776
777         /* POWER: */
778         write_nic_word(dev, 0x360, 0x1000);
779         write_nic_word(dev, 0x362, 0x1000);
780
781         /* AFE. */
782         write_nic_word(dev, 0x370, 0x0560);
783         write_nic_word(dev, 0x372, 0x0560);
784         write_nic_word(dev, 0x374, 0x0DA4);
785         write_nic_word(dev, 0x376, 0x0DA4);
786         write_nic_word(dev, 0x378, 0x0560);
787         write_nic_word(dev, 0x37A, 0x0560);
788         write_nic_word(dev, 0x37C, 0x00EC);
789         write_nic_word(dev, 0x37E, 0x00EC); /* +edward */
790         write_nic_byte(dev, 0x24E, 0x01);
791 }
792
793 static u8 GetSupportedWirelessMode8185(struct net_device *dev)
794 {
795         return WIRELESS_MODE_B | WIRELESS_MODE_G;
796 }
797
798 static void ActUpdateChannelAccessSetting(struct net_device *dev,
799                                    WIRELESS_MODE WirelessMode,
800                                    PCHANNEL_ACCESS_SETTING ChnlAccessSetting)
801 {
802         AC_CODING       eACI;
803
804         /*
805          *      <RJ_TODO_8185B>
806          *      TODO: We still don't know how to set up these registers, just follow WMAC to
807          *      verify 8185B FPAG.
808          *
809          *      <RJ_TODO_8185B>
810          *      Jong said CWmin/CWmax register are not functional in 8185B,
811          *      so we shall fill channel access realted register into AC parameter registers,
812          *      even in nQBss.
813          */
814         ChnlAccessSetting->SIFS_Timer = 0x22; /* Suggested by Jong, 2005.12.08. */
815         ChnlAccessSetting->DIFS_Timer = 0x1C; /* 2006.06.02, by rcnjko. */
816         ChnlAccessSetting->SlotTimeTimer = 9; /* 2006.06.02, by rcnjko. */
817         ChnlAccessSetting->EIFS_Timer = 0x5B; /* Suggested by wcchu, it is the default value of EIFS register, 2005.12.08. */
818         ChnlAccessSetting->CWminIndex = 3; /* 2006.06.02, by rcnjko. */
819         ChnlAccessSetting->CWmaxIndex = 7; /* 2006.06.02, by rcnjko. */
820
821         write_nic_byte(dev, SIFS, ChnlAccessSetting->SIFS_Timer);
822         write_nic_byte(dev, SLOT, ChnlAccessSetting->SlotTimeTimer); /* Rewrited from directly use PlatformEFIOWrite1Byte(), by Annie, 2006-03-29. */
823
824         write_nic_byte(dev, EIFS, ChnlAccessSetting->EIFS_Timer);
825
826         write_nic_byte(dev, AckTimeOutReg, 0x5B); /* <RJ_EXPR_QOS> Suggested by wcchu, it is the default value of EIFS register, 2005.12.08. */
827
828         for (eACI = 0; eACI < AC_MAX; eACI++) {
829                 write_nic_byte(dev, ACM_CONTROL, 0);
830         }
831 }
832
833 static void ActSetWirelessMode8185(struct net_device *dev, u8 btWirelessMode)
834 {
835         struct  r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
836         struct  ieee80211_device *ieee = priv->ieee80211;
837         u8      btSupportedWirelessMode = GetSupportedWirelessMode8185(dev);
838
839         if ((btWirelessMode & btSupportedWirelessMode) == 0)    {
840                 /* Don't switch to unsupported wireless mode, 2006.02.15, by rcnjko. */
841                 DMESGW("ActSetWirelessMode8185(): WirelessMode(%d) is not supported (%d)!\n",
842                         btWirelessMode, btSupportedWirelessMode);
843                 return;
844         }
845
846         /* 1. Assign wireless mode to switch if necessary. */
847         if (btWirelessMode == WIRELESS_MODE_AUTO) {
848                 if ((btSupportedWirelessMode & WIRELESS_MODE_A)) {
849                         btWirelessMode = WIRELESS_MODE_A;
850                 } else if (btSupportedWirelessMode & WIRELESS_MODE_G) {
851                                 btWirelessMode = WIRELESS_MODE_G;
852
853                 } else if ((btSupportedWirelessMode & WIRELESS_MODE_B)) {
854                                 btWirelessMode = WIRELESS_MODE_B;
855                 } else {
856                         DMESGW("ActSetWirelessMode8185(): No valid wireless mode supported, btSupportedWirelessMode(%x)!!!\n",
857                                btSupportedWirelessMode);
858                         btWirelessMode = WIRELESS_MODE_B;
859                 }
860         }
861
862         /* 
863          * 2. Swtich band: RF or BB specific actions,
864          * for example, refresh tables in omc8255, or change initial gain if necessary.
865          * Nothing to do for Zebra to switch band.
866          * Update current wireless mode if we switch to specified band successfully. 
867          */
868
869         ieee->mode = (WIRELESS_MODE)btWirelessMode;
870
871         /* 3. Change related setting. */
872         if (ieee->mode == WIRELESS_MODE_A)
873                 DMESG("WIRELESS_MODE_A\n");
874         else if (ieee->mode == WIRELESS_MODE_B)
875                 DMESG("WIRELESS_MODE_B\n");
876         else if (ieee->mode == WIRELESS_MODE_G)
877                 DMESG("WIRELESS_MODE_G\n");
878
879         ActUpdateChannelAccessSetting( dev, ieee->mode, &priv->ChannelAccessSetting);
880 }
881
882 void rtl8185b_irq_enable(struct net_device *dev)
883 {
884         struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
885
886         priv->irq_enabled = 1;
887         write_nic_dword(dev, IMR, priv->IntrMask);
888 }
889
890 static void MgntDisconnectIBSS(struct net_device *dev)
891 {
892         struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
893         u8 i;
894
895         for (i = 0; i < 6 ; i++)
896                 priv->ieee80211->current_network.bssid[i] = 0x55;
897
898
899
900         priv->ieee80211->state = IEEE80211_NOLINK;
901         /*
902          *      Stop Beacon.
903          *
904          *      Vista add a Adhoc profile, HW radio off until OID_DOT11_RESET_REQUEST
905          *      Driver would set MSR=NO_LINK, then HW Radio ON, MgntQueue Stuck.
906          *      Because Bcn DMA isn't complete, mgnt queue would stuck until Bcn packet send.
907          *
908          *      Disable Beacon Queue Own bit, suggested by jong 
909          */
910         ieee80211_stop_send_beacons(priv->ieee80211);
911
912         priv->ieee80211->link_change(dev);
913         notify_wx_assoc_event(priv->ieee80211);
914 }
915
916 static void MlmeDisassociateRequest(struct net_device *dev, u8 *asSta, u8 asRsn)
917 {
918         struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
919         u8 i;
920
921         SendDisassociation(priv->ieee80211, asSta, asRsn);
922
923         if (memcmp(priv->ieee80211->current_network.bssid, asSta, 6) == 0) {
924                 /* ShuChen TODO: change media status. */
925
926                 for (i = 0; i < 6; i++)
927                         priv->ieee80211->current_network.bssid[i] = 0x22;
928
929                 ieee80211_disassociate(priv->ieee80211);
930         }
931 }
932
933 static void MgntDisconnectAP(struct net_device *dev, u8 asRsn)
934 {
935         struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
936
937         /*
938          * Commented out by rcnjko, 2005.01.27:
939          * I move SecClearAllKeys() to MgntActSet_802_11_DISASSOCIATE().
940          *
941          *      2004/09/15, kcwu, the key should be cleared, or the new handshaking will not success
942          *
943          *      In WPA WPA2 need to Clear all key ... because new key will set after new handshaking.
944          *      2004.10.11, by rcnjko. 
945          */
946         MlmeDisassociateRequest(dev, priv->ieee80211->current_network.bssid, asRsn);
947
948         priv->ieee80211->state = IEEE80211_NOLINK;
949 }
950
951 static bool MgntDisconnect(struct net_device *dev, u8 asRsn)
952 {
953         struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
954         /*
955          *      Schedule an workitem to wake up for ps mode, 070109, by rcnjko.
956          */
957
958         if (IS_DOT11D_ENABLE(priv->ieee80211))
959                 Dot11d_Reset(priv->ieee80211);
960         /* In adhoc mode, update beacon frame. */
961         if (priv->ieee80211->state == IEEE80211_LINKED) {
962                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
963                         MgntDisconnectIBSS(dev);
964
965                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA) {
966                         /*
967                          *      We clear key here instead of MgntDisconnectAP() because that
968                          *      MgntActSet_802_11_DISASSOCIATE() is an interface called by OS,
969                          *      e.g. OID_802_11_DISASSOCIATE in Windows while as MgntDisconnectAP() is
970                          *      used to handle disassociation related things to AP, e.g. send Disassoc
971                          *      frame to AP.  2005.01.27, by rcnjko. 
972                          */
973                         MgntDisconnectAP(dev, asRsn);
974                 }
975                 /* Indicate Disconnect, 2005.02.23, by rcnjko.  */
976         }
977         return true;
978 }
979 /*
980  *      Description:
981  *              Chang RF Power State.
982  *              Note that, only MgntActSet_RF_State() is allowed to set HW_VAR_RF_STATE.
983  *
984  *      Assumption:
985  *              PASSIVE LEVEL.
986  */
987 static bool SetRFPowerState(struct net_device *dev, RT_RF_POWER_STATE eRFPowerState)
988 {
989         struct  r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
990         bool    bResult = false;
991
992         if (eRFPowerState == priv->eRFPowerState)
993                 return bResult;
994
995         bResult = SetZebraRFPowerState8185(dev, eRFPowerState);
996
997         return bResult;
998 }
999
1000 bool MgntActSet_RF_State(struct net_device *dev, RT_RF_POWER_STATE StateToSet, u32 ChangeSource)
1001 {
1002         struct  r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
1003         bool    bActionAllowed = false;
1004         bool    bConnectBySSID = false;
1005         RT_RF_POWER_STATE rtState;
1006         u16     RFWaitCounter = 0;
1007         unsigned long flag;
1008         /*
1009          *      Prevent the race condition of RF state change. By Bruce, 2007-11-28.
1010          *      Only one thread can change the RF state at one time, and others should wait to be executed.
1011          */
1012         while (true) {
1013                 spin_lock_irqsave(&priv->rf_ps_lock, flag);
1014                 if (priv->RFChangeInProgress) {
1015                         spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1016                         /*  Set RF after the previous action is done.   */
1017                         while (priv->RFChangeInProgress) {
1018                                 RFWaitCounter++;
1019                                 udelay(1000); /* 1 ms   */
1020
1021                                 /* Wait too long, return FALSE to avoid to be stuck here. */
1022                                 if (RFWaitCounter > 1000) { /* 1sec */
1023                                         printk("MgntActSet_RF_State(): Wait too long to set RF\n");
1024                                         /* TODO: Reset RF state? */
1025                                         return false;
1026                                 }
1027                         }
1028                 } else {
1029                         priv->RFChangeInProgress = true;
1030                         spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1031                         break;
1032                 }
1033         }
1034         rtState = priv->eRFPowerState;
1035
1036         switch (StateToSet) {
1037         case eRfOn:
1038                 /*
1039                  *      Turn On RF no matter the IPS setting because we need to update the RF state to Ndis under Vista, or
1040                  *      the Windows does not allow the driver to perform site survey any more. By Bruce, 2007-10-02.
1041                  */
1042                 priv->RfOffReason &= (~ChangeSource);
1043
1044                 if (!priv->RfOffReason) {
1045                         priv->RfOffReason = 0;
1046                         bActionAllowed = true;
1047
1048                         if (rtState == eRfOff && ChangeSource >= RF_CHANGE_BY_HW)
1049                                 bConnectBySSID = true;
1050                 }
1051                 break;
1052
1053         case eRfOff:
1054                  /* 070125, rcnjko: we always keep connected in AP mode. */
1055
1056                 if (priv->RfOffReason > RF_CHANGE_BY_IPS) {
1057                         /*
1058                          *      060808, Annie:
1059                          *      Disconnect to current BSS when radio off. Asked by QuanTa.
1060                          *
1061                          *      Calling MgntDisconnect() instead of MgntActSet_802_11_DISASSOCIATE(),
1062                          *      because we do NOT need to set ssid to dummy ones.
1063                          */
1064                         MgntDisconnect(dev, disas_lv_ss);
1065                         /* Clear content of bssDesc[] and bssDesc4Query[] to avoid reporting old bss to UI. */
1066                 }
1067
1068                 priv->RfOffReason |= ChangeSource;
1069                 bActionAllowed = true;
1070                 break;
1071         case eRfSleep:
1072                 priv->RfOffReason |= ChangeSource;
1073                 bActionAllowed = true;
1074                 break;
1075         default:
1076                 break;
1077         }
1078
1079         if (bActionAllowed) {
1080                 /* Config HW to the specified mode. */
1081                 SetRFPowerState(dev, StateToSet);
1082         }
1083
1084         /* Release RF spinlock  */
1085         spin_lock_irqsave(&priv->rf_ps_lock, flag);
1086         priv->RFChangeInProgress = false;
1087         spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1088         return bActionAllowed;
1089 }
1090
1091 static void InactivePowerSave(struct net_device *dev)
1092 {
1093         struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
1094         /*
1095          *      This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
1096          *      is really scheduled.
1097          *      The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
1098          *      previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
1099          *      blocks the IPS procedure of switching RF.
1100          */
1101         priv->bSwRfProcessing = true;
1102
1103         MgntActSet_RF_State(dev, priv->eInactivePowerState, RF_CHANGE_BY_IPS);
1104
1105         /*
1106          *      To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20.
1107          */
1108
1109         priv->bSwRfProcessing = false;
1110 }
1111
1112 /*
1113  *      Description:
1114  *              Enter the inactive power save mode. RF will be off
1115  */
1116 void IPSEnter(struct net_device *dev)
1117 {
1118         struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
1119         RT_RF_POWER_STATE rtState;
1120         if (priv->bInactivePs) {
1121                 rtState = priv->eRFPowerState;
1122
1123                 /*
1124                  *      Do not enter IPS in the following conditions:
1125                  *      (1) RF is already OFF or Sleep
1126                  *      (2) bSwRfProcessing (indicates the IPS is still under going)
1127                  *      (3) Connected (only disconnected can trigger IPS)
1128                  *      (4) IBSS (send Beacon)
1129                  *      (5) AP mode (send Beacon)
1130                  */
1131                 if (rtState == eRfOn && !priv->bSwRfProcessing
1132                         && (priv->ieee80211->state != IEEE80211_LINKED)) {
1133                         priv->eInactivePowerState = eRfOff;
1134                         InactivePowerSave(dev);
1135                 }
1136         }
1137 }
1138 void IPSLeave(struct net_device *dev)
1139 {
1140         struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
1141         RT_RF_POWER_STATE rtState;
1142         if (priv->bInactivePs) {
1143                 rtState = priv->eRFPowerState;
1144                 if ((rtState == eRfOff || rtState == eRfSleep) && (!priv->bSwRfProcessing) && priv->RfOffReason <= RF_CHANGE_BY_IPS) {
1145                         priv->eInactivePowerState = eRfOn;
1146                         InactivePowerSave(dev);
1147                 }
1148         }
1149 }
1150
1151 void rtl8185b_adapter_start(struct net_device *dev)
1152 {
1153         struct r8180_priv *priv = ieee80211_priv(dev);
1154         struct ieee80211_device *ieee = priv->ieee80211;
1155
1156         u8 SupportedWirelessMode;
1157         u8 InitWirelessMode;
1158         u8 bInvalidWirelessMode = 0;
1159         u8 tmpu8;
1160         u8 btCR9346;
1161         u8 TmpU1b;
1162         u8 btPSR;
1163
1164         write_nic_byte(dev, 0x24e, (BIT5|BIT6|BIT0));
1165         rtl8180_reset(dev);
1166
1167         priv->dma_poll_mask = 0;
1168         priv->dma_poll_stop_mask = 0;
1169
1170         HwConfigureRTL8185(dev);
1171         write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
1172         write_nic_word(dev, MAC4, ((u32 *)dev->dev_addr)[1] & 0xffff);
1173         write_nic_byte(dev, MSR, read_nic_byte(dev, MSR) & 0xf3); /* default network type to 'No Link' */
1174         write_nic_word(dev, BcnItv, 100);
1175         write_nic_word(dev, AtimWnd, 2);
1176         PlatformIOWrite2Byte(dev, FEMR, 0xFFFF);
1177         write_nic_byte(dev, WPA_CONFIG, 0);
1178         MacConfig_85BASIC(dev);
1179         /* Override the RFSW_CTRL (MAC offset 0x272-0x273), 2006.06.07, by rcnjko. */
1180         /* BT_DEMO_BOARD type */
1181         PlatformIOWrite2Byte(dev, RFSW_CTRL, 0x569a);
1182
1183         /*
1184          *---------------------------------------------------------------------------
1185          *      Set up PHY related.
1186          *---------------------------------------------------------------------------
1187          */
1188         /* Enable Config3.PARAM_En to revise AnaaParm. */
1189         write_nic_byte(dev, CR9346, 0xc0); /* enable config register write */
1190         tmpu8 = read_nic_byte(dev, CONFIG3);
1191         write_nic_byte(dev, CONFIG3, (tmpu8 | CONFIG3_PARM_En));
1192         /* Turn on Analog power. */
1193         /* Asked for by William, otherwise, MAC 3-wire can't work, 2006.06.27, by rcnjko. */
1194         write_nic_dword(dev, ANAPARAM2, ANAPARM2_ASIC_ON);
1195         write_nic_dword(dev, ANAPARAM, ANAPARM_ASIC_ON);
1196         write_nic_word(dev, ANAPARAM3, 0x0010);
1197
1198         write_nic_byte(dev, CONFIG3, tmpu8);
1199         write_nic_byte(dev, CR9346, 0x00);
1200         /* enable EEM0 and EEM1 in 9346CR */
1201         btCR9346 = read_nic_byte(dev, CR9346);
1202         write_nic_byte(dev, CR9346, (btCR9346 | 0xC0));
1203
1204         /* B cut use LED1 to control HW RF on/off */
1205         TmpU1b = read_nic_byte(dev, CONFIG5);
1206         TmpU1b = TmpU1b & ~BIT3;
1207         write_nic_byte(dev, CONFIG5, TmpU1b);
1208
1209         /* disable EEM0 and EEM1 in 9346CR */
1210         btCR9346 &= ~(0xC0);
1211         write_nic_byte(dev, CR9346, btCR9346);
1212
1213         /* Enable Led (suggested by Jong) */
1214         /* B-cut RF Radio on/off  5e[3]=0 */
1215         btPSR = read_nic_byte(dev, PSR);
1216         write_nic_byte(dev, PSR, (btPSR | BIT3));
1217         /* setup initial timing for RFE. */
1218         write_nic_word(dev, RFPinsOutput, 0x0480);
1219         SetOutputEnableOfRfPins(dev);
1220         write_nic_word(dev, RFPinsSelect, 0x2488);
1221
1222         /* PHY config. */
1223         PhyConfig8185(dev);
1224
1225         /*
1226          *      We assume RegWirelessMode has already been initialized before,
1227          *      however, we has to validate the wireless mode here and provide a
1228          *      reasonable initialized value if necessary. 2005.01.13, by rcnjko.
1229          */
1230         SupportedWirelessMode = GetSupportedWirelessMode8185(dev);
1231         if ((ieee->mode != WIRELESS_MODE_B) &&
1232                 (ieee->mode != WIRELESS_MODE_G) &&
1233                 (ieee->mode != WIRELESS_MODE_A) &&
1234                 (ieee->mode != WIRELESS_MODE_AUTO)) {
1235                 /* It should be one of B, G, A, or AUTO. */
1236                 bInvalidWirelessMode = 1;
1237         } else {
1238         /* One of B, G, A, or AUTO. */
1239                 /* Check if the wireless mode is supported by RF. */
1240                 if      ((ieee->mode != WIRELESS_MODE_AUTO) &&
1241                         (ieee->mode & SupportedWirelessMode) == 0) {
1242                         bInvalidWirelessMode = 1;
1243                 }
1244         }
1245
1246         if (bInvalidWirelessMode || ieee->mode == WIRELESS_MODE_AUTO) {
1247                 /* Auto or other invalid value. */
1248                 /* Assigne a wireless mode to initialize. */
1249                 if ((SupportedWirelessMode & WIRELESS_MODE_A)) {
1250                         InitWirelessMode = WIRELESS_MODE_A;
1251                 } else if ((SupportedWirelessMode & WIRELESS_MODE_G)) {
1252                         InitWirelessMode = WIRELESS_MODE_G;
1253                 } else if ((SupportedWirelessMode & WIRELESS_MODE_B)) {
1254                         InitWirelessMode = WIRELESS_MODE_B;
1255                 } else {
1256                         DMESGW("InitializeAdapter8185(): No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
1257                                  SupportedWirelessMode);
1258                         InitWirelessMode = WIRELESS_MODE_B;
1259                 }
1260
1261                 /* Initialize RegWirelessMode if it is not a valid one. */
1262                 if (bInvalidWirelessMode)
1263                         ieee->mode = (WIRELESS_MODE)InitWirelessMode;
1264
1265         } else {
1266         /* One of B, G, A. */
1267                 InitWirelessMode = ieee->mode;
1268         }
1269         priv->eRFPowerState = eRfOff;
1270         priv->RfOffReason = 0;
1271         {
1272                 MgntActSet_RF_State(dev, eRfOn, 0);
1273         }
1274                 /*
1275                  *      If inactive power mode is enabled, disable rf while in disconnected state.
1276                  */
1277         if (priv->bInactivePs)
1278                 MgntActSet_RF_State(dev , eRfOff, RF_CHANGE_BY_IPS);
1279
1280         ActSetWirelessMode8185(dev, (u8)(InitWirelessMode));
1281
1282         /* ----------------------------------------------------------------------------- */
1283
1284         rtl8185b_irq_enable(dev);
1285
1286         netif_start_queue(dev);
1287 }
1288
1289 void rtl8185b_rx_enable(struct net_device *dev)
1290 {
1291         u8 cmd;
1292         /* for now we accept data, management & ctl frame*/
1293         struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
1294
1295
1296         if (dev->flags & IFF_PROMISC)
1297                 DMESG("NIC in promisc mode");
1298
1299         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR || dev->flags &
1300             IFF_PROMISC) {
1301                 priv->ReceiveConfig = priv->ReceiveConfig & (~RCR_APM);
1302                 priv->ReceiveConfig = priv->ReceiveConfig | RCR_AAP;
1303         }
1304
1305         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR)
1306                 priv->ReceiveConfig = priv->ReceiveConfig | RCR_ACF | RCR_APWRMGT | RCR_AICV;
1307
1308
1309         if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
1310                 priv->ReceiveConfig = priv->ReceiveConfig | RCR_ACRC32;
1311
1312         write_nic_dword(dev, RCR, priv->ReceiveConfig);
1313
1314         fix_rx_fifo(dev);
1315
1316         cmd = read_nic_byte(dev, CMD);
1317         write_nic_byte(dev, CMD, cmd | (1<<CMD_RX_ENABLE_SHIFT));
1318
1319 }
1320
1321 void rtl8185b_tx_enable(struct net_device *dev)
1322 {
1323         u8 cmd;
1324         u8 byte;
1325         struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
1326
1327         write_nic_dword(dev, TCR, priv->TransmitConfig);
1328         byte = read_nic_byte(dev, MSR);
1329         byte |= MSR_LINK_ENEDCA;
1330         write_nic_byte(dev, MSR, byte);
1331
1332         fix_tx_fifo(dev);
1333
1334         cmd = read_nic_byte(dev, CMD);
1335         write_nic_byte(dev, CMD, cmd | (1<<CMD_TX_ENABLE_SHIFT));
1336 }
1337