kernel/drivers/staging/vt6656/baseband.c

   1 /*
   2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  *
  20  * File: baseband.c
  21  *
  22  * Purpose: Implement functions to access baseband
  23  *
  24  * Author: Jerry Chen
  25  *
  26  * Date: Jun. 5, 2002
  27  *
  28  * Functions:
  29  *      vnt_get_frame_time      - Calculate data frame transmitting time
  30  *      vnt_get_phy_field       - Calculate PhyLength, PhyService and Phy
  31  *                                Signal parameter for baseband Tx
  32  *      vnt_vt3184_init         - VIA VT3184 baseband chip init code
  33  *
  34  * Revision History:
  35  *
  36  *
  37  */
  38
  39 #include "mac.h"
  40 #include "baseband.h"
  41 #include "rf.h"
  42 #include "usbpipe.h"
  43
  44 static u8 vnt_vt3184_agc[] = {
  45         0x00, 0x00, 0x02, 0x02, 0x04, 0x04, 0x06, 0x06,
  46         0x08, 0x08, 0x0a, 0x0a, 0x0c, 0x0c, 0x0e, 0x0e, /* 0x0f */
  47         0x10, 0x10, 0x12, 0x12, 0x14, 0x14, 0x16, 0x16,
  48         0x18, 0x18, 0x1a, 0x1a, 0x1c, 0x1c, 0x1e, 0x1e, /* 0x1f */
  49         0x20, 0x20, 0x22, 0x22, 0x24, 0x24, 0x26, 0x26,
  50         0x28, 0x28, 0x2a, 0x2a, 0x2c, 0x2c, 0x2e, 0x2e, /* 0x2f */
  51         0x30, 0x30, 0x32, 0x32, 0x34, 0x34, 0x36, 0x36,
  52         0x38, 0x38, 0x3a, 0x3a, 0x3c, 0x3c, 0x3e, 0x3e  /* 0x3f */
  53 };
  54
  55 static u8 vnt_vt3184_al2230[] = {
  56         0x31, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00,
  57         0x70, 0x45, 0x2a, 0x76, 0x00, 0x00, 0x80, 0x00, /* 0x0f */
  58         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  59         0x00, 0x00, 0x00, 0x8e, 0x0a, 0x00, 0x00, 0x00, /* 0x1f */
  60         0x00, 0x00, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x00,
  61         0x00, 0x00, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x0c, /* 0x2f */
  62         0x26, 0x5b, 0x00, 0x00, 0x00, 0x00, 0xaa, 0xaa,
  63         0xff, 0xff, 0x79, 0x00, 0x00, 0x0b, 0x48, 0x04, /* 0x3f */
  64         0x00, 0x08, 0x00, 0x08, 0x08, 0x14, 0x05, 0x09,
  65         0x00, 0x00, 0x00, 0x00, 0x09, 0x73, 0x00, 0xc5, /* 0x4f */
  66         0x00, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  67         0x00, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x5f */
  68         0xe4, 0x80, 0x00, 0x00, 0x00, 0x00, 0x98, 0x0a,
  69         0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x01, 0x00, /* 0x6f */
  70         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  71         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x7f */
  72         0x8c, 0x01, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00,
  73         0x08, 0x00, 0x1f, 0xb7, 0x88, 0x47, 0xaa, 0x00, /* 0x8f */
  74         0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xeb,
  75         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, /* 0x9f */
  76         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
  77         0x18, 0x00, 0x00, 0x00, 0x00, 0x15, 0x00, 0x18, /* 0xaf */
  78         0x38, 0x30, 0x00, 0x00, 0xff, 0x0f, 0xe4, 0xe2,
  79         0x00, 0x00, 0x00, 0x03, 0x01, 0x00, 0x00, 0x00, /* 0xbf */
  80         0x18, 0x20, 0x07, 0x18, 0xff, 0xff, 0x0e, 0x0a,
  81         0x0e, 0x00, 0x82, 0xa7, 0x3c, 0x10, 0x30, 0x05, /* 0xcf */
  82         0x40, 0x12, 0x00, 0x00, 0x10, 0x28, 0x80, 0x2a,
  83         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xdf */
  84         0x00, 0xf3, 0x00, 0x00, 0x00, 0x10, 0x00, 0x12,
  85         0x00, 0xf4, 0x00, 0xff, 0x79, 0x20, 0x30, 0x05, /* 0xef */
  86         0x00, 0x3e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  87         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00  /* 0xff */
  88 };
  89
  90 /* {{RobertYu:20060515, new BB setting for VT3226D0 */
  91 static u8 vnt_vt3184_vt3226d0[] = {
  92         0x31, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00,
  93         0x70, 0x45, 0x2a, 0x76, 0x00, 0x00, 0x80, 0x00, /* 0x0f */
  94         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  95         0x00, 0x00, 0x00, 0x8e, 0x0a, 0x00, 0x00, 0x00, /* 0x1f */
  96         0x00, 0x00, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x00,
  97         0x00, 0x00, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x0c, /* 0x2f */
  98         0x26, 0x5b, 0x00, 0x00, 0x00, 0x00, 0xaa, 0xaa,
  99         0xff, 0xff, 0x79, 0x00, 0x00, 0x0b, 0x48, 0x04, /* 0x3f */
 100         0x00, 0x08, 0x00, 0x08, 0x08, 0x14, 0x05, 0x09,
 101         0x00, 0x00, 0x00, 0x00, 0x09, 0x73, 0x00, 0xc5, /* 0x4f */
 102         0x00, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 103         0x00, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x5f */
 104         0xe4, 0x80, 0x00, 0x00, 0x00, 0x00, 0x98, 0x0a,
 105         0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x01, 0x00, /* 0x6f */
 106         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 107         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x7f */
 108         0x8c, 0x01, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00,
 109         0x08, 0x00, 0x1f, 0xb7, 0x88, 0x47, 0xaa, 0x00, /* 0x8f */
 110         0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xeb,
 111         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, /* 0x9f */
 112         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
 113         0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, /* 0xaf */
 114         0x38, 0x30, 0x00, 0x00, 0xff, 0x0f, 0xe4, 0xe2,
 115         0x00, 0x00, 0x00, 0x03, 0x01, 0x00, 0x00, 0x00, /* 0xbf */
 116         0x18, 0x20, 0x07, 0x18, 0xff, 0xff, 0x10, 0x0a,
 117         0x0e, 0x00, 0x84, 0xa7, 0x3c, 0x10, 0x24, 0x05, /* 0xcf */
 118         0x40, 0x12, 0x00, 0x00, 0x10, 0x28, 0x80, 0x2a,
 119         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xdf */
 120         0x00, 0xf3, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10,
 121         0x00, 0xf4, 0x00, 0xff, 0x79, 0x20, 0x30, 0x08, /* 0xef */
 122         0x00, 0x3e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 123         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00  /* 0xff */
 124 };
 125
 126 static const u16 vnt_frame_time[MAX_RATE] = {
 127         10, 20, 55, 110, 24, 36, 48, 72, 96, 144, 192, 216
 128 };
 129
 130 /*
 131  * Description: Calculate data frame transmitting time
 132  *
 133  * Parameters:
 134  *  In:
 135  *      preamble_type   - Preamble Type
 136  *      pkt_type        - PK_TYPE_11A, PK_TYPE_11B, PK_TYPE_11GB, PK_TYPE_11GA
 137  *      frame_length    - Baseband Type
 138  *      tx_rate         - Tx Rate
 139  *  Out:
 140  *
 141  * Return Value: FrameTime
 142  *
 143  */
 144 unsigned int vnt_get_frame_time(u8 preamble_type, u8 pkt_type,
 145         unsigned int frame_length, u16 tx_rate)
 146 {
 147         unsigned int frame_time;
 148         unsigned int preamble;
 149         unsigned int tmp;
 150         unsigned int rate = 0;
 151
 152         if (tx_rate > RATE_54M)
 153                 return 0;
 154
 155         rate = (unsigned int)vnt_frame_time[tx_rate];
 156
 157         if (tx_rate <= 3) {
 158                 if (preamble_type == 1)
 159                         preamble = 96;
 160                 else
 161                         preamble = 192;
 162
 163                 frame_time = (frame_length * 80) / rate;
 164                 tmp = (frame_time * rate) / 80;
 165
 166                 if (frame_length != tmp)
 167                         frame_time++;
 168
 169                 return preamble + frame_time;
 170         }
 171         frame_time = (frame_length * 8 + 22) / rate;
 172         tmp = ((frame_time * rate) - 22) / 8;
 173
 174         if (frame_length != tmp)
 175                 frame_time++;
 176
 177         frame_time = frame_time * 4;
 178
 179         if (pkt_type != PK_TYPE_11A)
 180                 frame_time += 6;
 181         return 20 + frame_time;
 182 }
 183
 184 /*
 185  * Description: Calculate Length, Service, and Signal fields of Phy for Tx
 186  *
 187  * Parameters:
 188  *  In:
 189  *      priv         - Device Structure
 190  *      frame_length   - Tx Frame Length
 191  *      tx_rate           - Tx Rate
 192  *  Out:
 193  *      struct vnt_phy_field *phy
 194  *              - pointer to Phy Length field
 195  *              - pointer to Phy Service field
 196  *              - pointer to Phy Signal field
 197  *
 198  * Return Value: none
 199  *
 200  */
 201 void vnt_get_phy_field(struct vnt_private *priv, u32 frame_length,
 202         u16 tx_rate, u8 pkt_type, struct vnt_phy_field *phy)
 203 {
 204         u32 bit_count;
 205         u32 count = 0;
 206         u32 tmp;
 207         int ext_bit;
 208         u8 preamble_type = priv->preamble_type;
 209
 210         bit_count = frame_length * 8;
 211         ext_bit = false;
 212
 213         switch (tx_rate) {
 214         case RATE_1M:
 215                 count = bit_count;
 216
 217                 phy->signal = 0x00;
 218
 219                 break;
 220         case RATE_2M:
 221                 count = bit_count / 2;
 222
 223                 if (preamble_type == 1)
 224                         phy->signal = 0x09;
 225                 else
 226                         phy->signal = 0x01;
 227
 228                 break;
 229         case RATE_5M:
 230                 count = (bit_count * 10) / 55;
 231                 tmp = (count * 55) / 10;
 232
 233                 if (tmp != bit_count)
 234                         count++;
 235
 236                 if (preamble_type == 1)
 237                         phy->signal = 0x0a;
 238                 else
 239                         phy->signal = 0x02;
 240
 241                 break;
 242         case RATE_11M:
 243                 count = bit_count / 11;
 244                 tmp = count * 11;
 245
 246                 if (tmp != bit_count) {
 247                         count++;
 248
 249                         if ((bit_count - tmp) <= 3)
 250                                 ext_bit = true;
 251                 }
 252
 253                 if (preamble_type == 1)
 254                         phy->signal = 0x0b;
 255                 else
 256                         phy->signal = 0x03;
 257
 258                 break;
 259         case RATE_6M:
 260                 if (pkt_type == PK_TYPE_11A)
 261                         phy->signal = 0x9b;
 262                 else
 263                         phy->signal = 0x8b;
 264
 265                 break;
 266         case RATE_9M:
 267                 if (pkt_type == PK_TYPE_11A)
 268                         phy->signal = 0x9f;
 269                 else
 270                         phy->signal = 0x8f;
 271
 272                 break;
 273         case RATE_12M:
 274                 if (pkt_type == PK_TYPE_11A)
 275                         phy->signal = 0x9a;
 276                 else
 277                         phy->signal = 0x8a;
 278
 279                 break;
 280         case RATE_18M:
 281                 if (pkt_type == PK_TYPE_11A)
 282                         phy->signal = 0x9e;
 283                 else
 284                         phy->signal = 0x8e;
 285
 286                 break;
 287         case RATE_24M:
 288                 if (pkt_type == PK_TYPE_11A)
 289                         phy->signal = 0x99;
 290                 else
 291                         phy->signal = 0x89;
 292
 293                 break;
 294         case RATE_36M:
 295                 if (pkt_type == PK_TYPE_11A)
 296                         phy->signal = 0x9d;
 297                 else
 298                         phy->signal = 0x8d;
 299
 300                 break;
 301         case RATE_48M:
 302                 if (pkt_type == PK_TYPE_11A)
 303                         phy->signal = 0x98;
 304                 else
 305                         phy->signal = 0x88;
 306
 307                 break;
 308         case RATE_54M:
 309                 if (pkt_type == PK_TYPE_11A)
 310                         phy->signal = 0x9c;
 311                 else
 312                         phy->signal = 0x8c;
 313                 break;
 314         default:
 315                 if (pkt_type == PK_TYPE_11A)
 316                         phy->signal = 0x9c;
 317                 else
 318                         phy->signal = 0x8c;
 319                 break;
 320         }
 321
 322         if (pkt_type == PK_TYPE_11B) {
 323                 phy->service = 0x00;
 324                 if (ext_bit)
 325                         phy->service |= 0x80;
 326                 phy->len = cpu_to_le16((u16)count);
 327         } else {
 328                 phy->service = 0x00;
 329                 phy->len = cpu_to_le16((u16)frame_length);
 330         }
 331 }
 332
 333 /*
 334  * Description: Set Antenna mode
 335  *
 336  * Parameters:
 337  *  In:
 338  *      priv            - Device Structure
 339  *      antenna_mode    - Antenna Mode
 340  *  Out:
 341  *      none
 342  *
 343  * Return Value: none
 344  *
 345  */
 346 void vnt_set_antenna_mode(struct vnt_private *priv, u8 antenna_mode)
 347 {
 348         switch (antenna_mode) {
 349         case ANT_TXA:
 350         case ANT_TXB:
 351                 break;
 352         case ANT_RXA:
 353                 priv->bb_rx_conf &= 0xFC;
 354                 break;
 355         case ANT_RXB:
 356                 priv->bb_rx_conf &= 0xFE;
 357                 priv->bb_rx_conf |= 0x02;
 358                 break;
 359         }
 360
 361         vnt_control_out(priv, MESSAGE_TYPE_SET_ANTMD,
 362                 (u16)antenna_mode, 0, 0, NULL);
 363 }
 364
 365 /*
 366  * Description: Set Antenna mode
 367  *
 368  * Parameters:
 369  *  In:
 370  *      pDevice          - Device Structure
 371  *      byAntennaMode    - Antenna Mode
 372  *  Out:
 373  *      none
 374  *
 375  * Return Value: none
 376  *
 377  */
 378
 379 int vnt_vt3184_init(struct vnt_private *priv)
 380 {
 381         int status;
 382         u16 length;
 383         u8 *addr;
 384         u8 *agc;
 385         u16 length_agc;
 386         u8 array[256];
 387         u8 data;
 388
 389         status = vnt_control_in(priv, MESSAGE_TYPE_READ, 0,
 390                 MESSAGE_REQUEST_EEPROM, EEP_MAX_CONTEXT_SIZE,
 391                                                 priv->eeprom);
 392         if (status != STATUS_SUCCESS)
 393                 return false;
 394
 395         priv->rf_type = priv->eeprom[EEP_OFS_RFTYPE];
 396
 397         dev_dbg(&priv->usb->dev, "RF Type %d\n", priv->rf_type);
 398
 399         if ((priv->rf_type == RF_AL2230) ||
 400                                 (priv->rf_type == RF_AL2230S)) {
 401                 priv->bb_rx_conf = vnt_vt3184_al2230[10];
 402                 length = sizeof(vnt_vt3184_al2230);
 403                 addr = vnt_vt3184_al2230;
 404                 agc = vnt_vt3184_agc;
 405                 length_agc = sizeof(vnt_vt3184_agc);
 406
 407                 priv->bb_vga[0] = 0x1C;
 408                 priv->bb_vga[1] = 0x10;
 409                 priv->bb_vga[2] = 0x0;
 410                 priv->bb_vga[3] = 0x0;
 411
 412         } else if (priv->rf_type == RF_AIROHA7230) {
 413                 priv->bb_rx_conf = vnt_vt3184_al2230[10];
 414                 length = sizeof(vnt_vt3184_al2230);
 415                 addr = vnt_vt3184_al2230;
 416                 agc = vnt_vt3184_agc;
 417                 length_agc = sizeof(vnt_vt3184_agc);
 418
 419                 addr[0xd7] = 0x06;
 420
 421                 priv->bb_vga[0] = 0x1c;
 422                 priv->bb_vga[1] = 0x10;
 423                 priv->bb_vga[2] = 0x0;
 424                 priv->bb_vga[3] = 0x0;
 425
 426         } else if ((priv->rf_type == RF_VT3226) ||
 427                         (priv->rf_type == RF_VT3226D0)) {
 428                 priv->bb_rx_conf = vnt_vt3184_vt3226d0[10];
 429                 length = sizeof(vnt_vt3184_vt3226d0);
 430                 addr = vnt_vt3184_vt3226d0;
 431                 agc = vnt_vt3184_agc;
 432                 length_agc = sizeof(vnt_vt3184_agc);
 433
 434                 priv->bb_vga[0] = 0x20;
 435                 priv->bb_vga[1] = 0x10;
 436                 priv->bb_vga[2] = 0x0;
 437                 priv->bb_vga[3] = 0x0;
 438
 439                 /* Fix VT3226 DFC system timing issue */
 440                 vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL2,
 441                                     SOFTPWRCTL_RFLEOPT);
 442         } else if (priv->rf_type == RF_VT3342A0) {
 443                 priv->bb_rx_conf = vnt_vt3184_vt3226d0[10];
 444                 length = sizeof(vnt_vt3184_vt3226d0);
 445                 addr = vnt_vt3184_vt3226d0;
 446                 agc = vnt_vt3184_agc;
 447                 length_agc = sizeof(vnt_vt3184_agc);
 448
 449                 priv->bb_vga[0] = 0x20;
 450                 priv->bb_vga[1] = 0x10;
 451                 priv->bb_vga[2] = 0x0;
 452                 priv->bb_vga[3] = 0x0;
 453
 454                 /* Fix VT3226 DFC system timing issue */
 455                 vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL2,
 456                                     SOFTPWRCTL_RFLEOPT);
 457         } else {
 458                 return true;
 459         }
 460
 461         memcpy(array, addr, length);
 462
 463         vnt_control_out(priv, MESSAGE_TYPE_WRITE, 0,
 464                 MESSAGE_REQUEST_BBREG, length, array);
 465
 466         memcpy(array, agc, length_agc);
 467
 468         vnt_control_out(priv, MESSAGE_TYPE_WRITE, 0,
 469                 MESSAGE_REQUEST_BBAGC, length_agc, array);
 470
 471         if ((priv->rf_type == RF_VT3226) ||
 472                 (priv->rf_type == RF_VT3342A0)) {
 473                 vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG,
 474                                                 MAC_REG_ITRTMSET, 0x23);
 475                 vnt_mac_reg_bits_on(priv, MAC_REG_PAPEDELAY, 0x01);
 476         } else if (priv->rf_type == RF_VT3226D0) {
 477                 vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG,
 478                                                 MAC_REG_ITRTMSET, 0x11);
 479                 vnt_mac_reg_bits_on(priv, MAC_REG_PAPEDELAY, 0x01);
 480         }
 481
 482         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x04, 0x7f);
 483         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0x01);
 484
 485         vnt_rf_table_download(priv);
 486
 487         /* Fix for TX USB resets from vendors driver */
 488         vnt_control_in(priv, MESSAGE_TYPE_READ, USB_REG4,
 489                 MESSAGE_REQUEST_MEM, sizeof(data), &data);
 490
 491         data |= 0x2;
 492
 493         vnt_control_out(priv, MESSAGE_TYPE_WRITE, USB_REG4,
 494                 MESSAGE_REQUEST_MEM, sizeof(data), &data);
 495
 496         return true;
 497 }
 498
 499 /*
 500  * Description: Set ShortSlotTime mode
 501  *
 502  * Parameters:
 503  *  In:
 504  *      priv    - Device Structure
 505  *  Out:
 506  *      none
 507  *
 508  * Return Value: none
 509  *
 510  */
 511 void vnt_set_short_slot_time(struct vnt_private *priv)
 512 {
 513         u8 bb_vga = 0;
 514
 515         if (priv->short_slot_time)
 516                 priv->bb_rx_conf &= 0xdf;
 517         else
 518                 priv->bb_rx_conf |= 0x20;
 519
 520         vnt_control_in_u8(priv, MESSAGE_REQUEST_BBREG, 0xe7, &bb_vga);
 521
 522         if (bb_vga == priv->bb_vga[0])
 523                 priv->bb_rx_conf |= 0x20;
 524
 525         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0a, priv->bb_rx_conf);
 526 }
 527
 528 void vnt_set_vga_gain_offset(struct vnt_private *priv, u8 data)
 529 {
 530         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xE7, data);
 531
 532         /* patch for 3253B0 Baseband with Cardbus module */
 533         if (priv->short_slot_time)
 534                 priv->bb_rx_conf &= 0xdf; /* 1101 1111 */
 535         else
 536                 priv->bb_rx_conf |= 0x20; /* 0010 0000 */
 537
 538         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0a, priv->bb_rx_conf);
 539 }
 540
 541 /*
 542  * Description: vnt_set_deep_sleep
 543  *
 544  * Parameters:
 545  *  In:
 546  *      priv    - Device Structure
 547  *  Out:
 548  *      none
 549  *
 550  * Return Value: none
 551  *
 552  */
 553 void vnt_set_deep_sleep(struct vnt_private *priv)
 554 {
 555         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0c, 0x17);/* CR12 */
 556         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0xB9);/* CR13 */
 557 }
 558
 559 void vnt_exit_deep_sleep(struct vnt_private *priv)
 560 {
 561         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0c, 0x00);/* CR12 */
 562         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0x01);/* CR13 */
 563 }
 564
 565 void vnt_update_pre_ed_threshold(struct vnt_private *priv, int scanning)
 566 {
 567         u8 cr_201 = 0x0, cr_206 = 0x0;
 568         u8 ed_inx = priv->bb_pre_ed_index;
 569
 570         switch (priv->rf_type) {
 571         case RF_AL2230:
 572         case RF_AL2230S:
 573         case RF_AIROHA7230:
 574                 if (scanning) { /* Max sensitivity */
 575                         ed_inx = 0;
 576                         cr_206 = 0x30;
 577                         break;
 578                 }
 579
 580                 if (priv->bb_pre_ed_rssi <= 45) {
 581                         ed_inx = 20;
 582                         cr_201 = 0xff;
 583                 } else if (priv->bb_pre_ed_rssi <= 46) {
 584                         ed_inx = 19;
 585                         cr_201 = 0x1a;
 586                 } else if (priv->bb_pre_ed_rssi <= 47) {
 587                         ed_inx = 18;
 588                         cr_201 = 0x15;
 589                 } else if (priv->bb_pre_ed_rssi <= 49) {
 590                         ed_inx = 17;
 591                         cr_201 = 0xe;
 592                 } else if (priv->bb_pre_ed_rssi <= 51) {
 593                         ed_inx = 16;
 594                         cr_201 = 0x9;
 595                 } else if (priv->bb_pre_ed_rssi <= 53) {
 596                         ed_inx = 15;
 597                         cr_201 = 0x6;
 598                 } else if (priv->bb_pre_ed_rssi <= 55) {
 599                         ed_inx = 14;
 600                         cr_201 = 0x3;
 601                 } else if (priv->bb_pre_ed_rssi <= 56) {
 602                         ed_inx = 13;
 603                         cr_201 = 0x2;
 604                         cr_206 = 0xa0;
 605                 } else if (priv->bb_pre_ed_rssi <= 57) {
 606                         ed_inx = 12;
 607                         cr_201 = 0x2;
 608                         cr_206 = 0x20;
 609                 } else if (priv->bb_pre_ed_rssi <= 58) {
 610                         ed_inx = 11;
 611                         cr_201 = 0x1;
 612                         cr_206 = 0xa0;
 613                 } else if (priv->bb_pre_ed_rssi <= 59) {
 614                         ed_inx = 10;
 615                         cr_201 = 0x1;
 616                         cr_206 = 0x54;
 617                 } else if (priv->bb_pre_ed_rssi <= 60) {
 618                         ed_inx = 9;
 619                         cr_201 = 0x1;
 620                         cr_206 = 0x18;
 621                 } else if (priv->bb_pre_ed_rssi <= 61) {
 622                         ed_inx = 8;
 623                         cr_206 = 0xe3;
 624                 } else if (priv->bb_pre_ed_rssi <= 62) {
 625                         ed_inx = 7;
 626                         cr_206 = 0xb9;
 627                 } else if (priv->bb_pre_ed_rssi <= 63) {
 628                         ed_inx = 6;
 629                         cr_206 = 0x93;
 630                 } else if (priv->bb_pre_ed_rssi <= 64) {
 631                         ed_inx = 5;
 632                         cr_206 = 0x79;
 633                 } else if (priv->bb_pre_ed_rssi <= 65) {
 634                         ed_inx = 4;
 635                         cr_206 = 0x62;
 636                 } else if (priv->bb_pre_ed_rssi <= 66) {
 637                         ed_inx = 3;
 638                         cr_206 = 0x51;
 639                 } else if (priv->bb_pre_ed_rssi <= 67) {
 640                         ed_inx = 2;
 641                         cr_206 = 0x43;
 642                 } else if (priv->bb_pre_ed_rssi <= 68) {
 643                         ed_inx = 1;
 644                         cr_206 = 0x36;
 645                 } else {
 646                         ed_inx = 0;
 647                         cr_206 = 0x30;
 648                 }
 649                 break;
 650
 651         case RF_VT3226:
 652         case RF_VT3226D0:
 653                 if (scanning)   { /* Max sensitivity */
 654                         ed_inx = 0;
 655                         cr_206 = 0x24;
 656                         break;
 657                 }
 658
 659                 if (priv->bb_pre_ed_rssi <= 41) {
 660                         ed_inx = 22;
 661                         cr_201 = 0xff;
 662                 } else if (priv->bb_pre_ed_rssi <= 42) {
 663                         ed_inx = 21;
 664                         cr_201 = 0x36;
 665                 } else if (priv->bb_pre_ed_rssi <= 43) {
 666                         ed_inx = 20;
 667                         cr_201 = 0x26;
 668                 } else if (priv->bb_pre_ed_rssi <= 45) {
 669                         ed_inx = 19;
 670                         cr_201 = 0x18;
 671                 } else if (priv->bb_pre_ed_rssi <= 47) {
 672                         ed_inx = 18;
 673                         cr_201 = 0x11;
 674                 } else if (priv->bb_pre_ed_rssi <= 49) {
 675                         ed_inx = 17;
 676                         cr_201 = 0xa;
 677                 } else if (priv->bb_pre_ed_rssi <= 51) {
 678                         ed_inx = 16;
 679                         cr_201 = 0x7;
 680                 } else if (priv->bb_pre_ed_rssi <= 53) {
 681                         ed_inx = 15;
 682                         cr_201 = 0x4;
 683                 } else if (priv->bb_pre_ed_rssi <= 55) {
 684                         ed_inx = 14;
 685                         cr_201 = 0x2;
 686                         cr_206 = 0xc0;
 687                 } else if (priv->bb_pre_ed_rssi <= 56) {
 688                         ed_inx = 13;
 689                         cr_201 = 0x2;
 690                         cr_206 = 0x30;
 691                 } else if (priv->bb_pre_ed_rssi <= 57) {
 692                         ed_inx = 12;
 693                         cr_201 = 0x1;
 694                         cr_206 = 0xb0;
 695                 } else if (priv->bb_pre_ed_rssi <= 58) {
 696                         ed_inx = 11;
 697                         cr_201 = 0x1;
 698                         cr_206 = 0x70;
 699                 } else if (priv->bb_pre_ed_rssi <= 59) {
 700                         ed_inx = 10;
 701                         cr_201 = 0x1;
 702                         cr_206 = 0x30;
 703                 } else if (priv->bb_pre_ed_rssi <= 60) {
 704                         ed_inx = 9;
 705                         cr_206 = 0xea;
 706                 } else if (priv->bb_pre_ed_rssi <= 61) {
 707                         ed_inx = 8;
 708                         cr_206 = 0xc0;
 709                 } else if (priv->bb_pre_ed_rssi <= 62) {
 710                         ed_inx = 7;
 711                         cr_206 = 0x9c;
 712                 } else if (priv->bb_pre_ed_rssi <= 63) {
 713                         ed_inx = 6;
 714                         cr_206 = 0x80;
 715                 } else if (priv->bb_pre_ed_rssi <= 64) {
 716                         ed_inx = 5;
 717                         cr_206 = 0x68;
 718                 } else if (priv->bb_pre_ed_rssi <= 65) {
 719                         ed_inx = 4;
 720                         cr_206 = 0x52;
 721                 } else if (priv->bb_pre_ed_rssi <= 66) {
 722                         ed_inx = 3;
 723                         cr_206 = 0x43;
 724                 } else if (priv->bb_pre_ed_rssi <= 67) {
 725                         ed_inx = 2;
 726                         cr_206 = 0x36;
 727                 } else if (priv->bb_pre_ed_rssi <= 68) {
 728                         ed_inx = 1;
 729                         cr_206 = 0x2d;
 730                 } else {
 731                         ed_inx = 0;
 732                         cr_206 = 0x24;
 733                 }
 734                 break;
 735
 736         case RF_VT3342A0:
 737                 if (scanning) { /* need Max sensitivity */
 738                         ed_inx = 0;
 739                         cr_206 = 0x38;
 740                         break;
 741                 }
 742
 743                 if (priv->bb_pre_ed_rssi <= 41) {
 744                         ed_inx = 20;
 745                         cr_201 = 0xff;
 746                 } else if (priv->bb_pre_ed_rssi <= 42) {
 747                         ed_inx = 19;
 748                         cr_201 = 0x36;
 749                 } else if (priv->bb_pre_ed_rssi <= 43) {
 750                         ed_inx = 18;
 751                         cr_201 = 0x26;
 752                 } else if (priv->bb_pre_ed_rssi <= 45) {
 753                         ed_inx = 17;
 754                         cr_201 = 0x18;
 755                 } else if (priv->bb_pre_ed_rssi <= 47) {
 756                         ed_inx = 16;
 757                         cr_201 = 0x11;
 758                 } else if (priv->bb_pre_ed_rssi <= 49) {
 759                         ed_inx = 15;
 760                         cr_201 = 0xa;
 761                 } else if (priv->bb_pre_ed_rssi <= 51) {
 762                         ed_inx = 14;
 763                         cr_201 = 0x7;
 764                 } else if (priv->bb_pre_ed_rssi <= 53) {
 765                         ed_inx = 13;
 766                         cr_201 = 0x4;
 767                 } else if (priv->bb_pre_ed_rssi <= 55) {
 768                         ed_inx = 12;
 769                         cr_201 = 0x2;
 770                         cr_206 = 0xc0;
 771                 } else if (priv->bb_pre_ed_rssi <= 56) {
 772                         ed_inx = 11;
 773                         cr_201 = 0x2;
 774                         cr_206 = 0x30;
 775                 } else if (priv->bb_pre_ed_rssi <= 57) {
 776                         ed_inx = 10;
 777                         cr_201 = 0x1;
 778                         cr_206 = 0xb0;
 779                 } else if (priv->bb_pre_ed_rssi <= 58) {
 780                         ed_inx = 9;
 781                         cr_201 = 0x1;
 782                         cr_206 = 0x70;
 783                 } else if (priv->bb_pre_ed_rssi <= 59) {
 784                         ed_inx = 8;
 785                         cr_201 = 0x1;
 786                         cr_206 = 0x30;
 787                 } else if (priv->bb_pre_ed_rssi <= 60) {
 788                         ed_inx = 7;
 789                         cr_206 = 0xea;
 790                 } else if (priv->bb_pre_ed_rssi <= 61) {
 791                         ed_inx = 6;
 792                         cr_206 = 0xc0;
 793                 } else if (priv->bb_pre_ed_rssi <= 62) {
 794                         ed_inx = 5;
 795                         cr_206 = 0x9c;
 796                 } else if (priv->bb_pre_ed_rssi <= 63) {
 797                         ed_inx = 4;
 798                         cr_206 = 0x80;
 799                 } else if (priv->bb_pre_ed_rssi <= 64) {
 800                         ed_inx = 3;
 801                         cr_206 = 0x68;
 802                 } else if (priv->bb_pre_ed_rssi <= 65) {
 803                         ed_inx = 2;
 804                         cr_206 = 0x52;
 805                 } else if (priv->bb_pre_ed_rssi <= 66) {
 806                         ed_inx = 1;
 807                         cr_206 = 0x43;
 808                 } else {
 809                         ed_inx = 0;
 810                         cr_206 = 0x38;
 811                 }
 812                 break;
 813         }
 814
 815         if (ed_inx == priv->bb_pre_ed_index && !scanning)
 816                 return;
 817
 818         priv->bb_pre_ed_index = ed_inx;
 819
 820         dev_dbg(&priv->usb->dev, "%s bb_pre_ed_rssi %d\n",
 821                                         __func__, priv->bb_pre_ed_rssi);
 822
 823         if (!cr_201 && !cr_206)
 824                 return;
 825
 826         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xc9, cr_201);
 827         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xce, cr_206);
 828 }
 829