drivers/staging/vt6656/baseband.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   4  * All rights reserved.
   5  *
   6  * File: baseband.c
   7  *
   8  * Purpose: Implement functions to access baseband
   9  *
  10  * Author: Jerry Chen
  11  *
  12  * Date: Jun. 5, 2002
  13  *
  14  * Functions:
  15  *      vnt_get_frame_time      - Calculate data frame transmitting time
  16  *      vnt_get_phy_field       - Calculate PhyLength, PhyService and Phy
  17  *                                Signal parameter for baseband Tx
  18  *      vnt_vt3184_init         - VIA VT3184 baseband chip init code
  19  *
  20  * Revision History:
  21  *
  22  *
  23  */
  24
  25 #include "mac.h"
  26 #include "baseband.h"
  27 #include "rf.h"
  28 #include "usbpipe.h"
  29
  30 static u8 vnt_vt3184_agc[] = {
  31         0x00, 0x00, 0x02, 0x02, 0x04, 0x04, 0x06, 0x06,
  32         0x08, 0x08, 0x0a, 0x0a, 0x0c, 0x0c, 0x0e, 0x0e, /* 0x0f */
  33         0x10, 0x10, 0x12, 0x12, 0x14, 0x14, 0x16, 0x16,
  34         0x18, 0x18, 0x1a, 0x1a, 0x1c, 0x1c, 0x1e, 0x1e, /* 0x1f */
  35         0x20, 0x20, 0x22, 0x22, 0x24, 0x24, 0x26, 0x26,
  36         0x28, 0x28, 0x2a, 0x2a, 0x2c, 0x2c, 0x2e, 0x2e, /* 0x2f */
  37         0x30, 0x30, 0x32, 0x32, 0x34, 0x34, 0x36, 0x36,
  38         0x38, 0x38, 0x3a, 0x3a, 0x3c, 0x3c, 0x3e, 0x3e  /* 0x3f */
  39 };
  40
  41 static u8 vnt_vt3184_al2230[] = {
  42         0x31, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00,
  43         0x70, 0x45, 0x2a, 0x76, 0x00, 0x00, 0x80, 0x00, /* 0x0f */
  44         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  45         0x00, 0x00, 0x00, 0x8e, 0x0a, 0x00, 0x00, 0x00, /* 0x1f */
  46         0x00, 0x00, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x00,
  47         0x00, 0x00, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x0c, /* 0x2f */
  48         0x26, 0x5b, 0x00, 0x00, 0x00, 0x00, 0xaa, 0xaa,
  49         0xff, 0xff, 0x79, 0x00, 0x00, 0x0b, 0x48, 0x04, /* 0x3f */
  50         0x00, 0x08, 0x00, 0x08, 0x08, 0x14, 0x05, 0x09,
  51         0x00, 0x00, 0x00, 0x00, 0x09, 0x73, 0x00, 0xc5, /* 0x4f */
  52         0x00, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  53         0x00, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x5f */
  54         0xe4, 0x80, 0x00, 0x00, 0x00, 0x00, 0x98, 0x0a,
  55         0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x01, 0x00, /* 0x6f */
  56         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  57         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x7f */
  58         0x8c, 0x01, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00,
  59         0x08, 0x00, 0x1f, 0xb7, 0x88, 0x47, 0xaa, 0x00, /* 0x8f */
  60         0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xeb,
  61         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, /* 0x9f */
  62         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
  63         0x18, 0x00, 0x00, 0x00, 0x00, 0x15, 0x00, 0x18, /* 0xaf */
  64         0x38, 0x30, 0x00, 0x00, 0xff, 0x0f, 0xe4, 0xe2,
  65         0x00, 0x00, 0x00, 0x03, 0x01, 0x00, 0x00, 0x00, /* 0xbf */
  66         0x18, 0x20, 0x07, 0x18, 0xff, 0xff, 0x0e, 0x0a,
  67         0x0e, 0x00, 0x82, 0xa7, 0x3c, 0x10, 0x30, 0x05, /* 0xcf */
  68         0x40, 0x12, 0x00, 0x00, 0x10, 0x28, 0x80, 0x2a,
  69         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xdf */
  70         0x00, 0xf3, 0x00, 0x00, 0x00, 0x10, 0x00, 0x12,
  71         0x00, 0xf4, 0x00, 0xff, 0x79, 0x20, 0x30, 0x05, /* 0xef */
  72         0x00, 0x3e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  73         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00  /* 0xff */
  74 };
  75
  76 /* {{RobertYu:20060515, new BB setting for VT3226D0 */
  77 static u8 vnt_vt3184_vt3226d0[] = {
  78         0x31, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00,
  79         0x70, 0x45, 0x2a, 0x76, 0x00, 0x00, 0x80, 0x00, /* 0x0f */
  80         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  81         0x00, 0x00, 0x00, 0x8e, 0x0a, 0x00, 0x00, 0x00, /* 0x1f */
  82         0x00, 0x00, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x00,
  83         0x00, 0x00, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x0c, /* 0x2f */
  84         0x26, 0x5b, 0x00, 0x00, 0x00, 0x00, 0xaa, 0xaa,
  85         0xff, 0xff, 0x79, 0x00, 0x00, 0x0b, 0x48, 0x04, /* 0x3f */
  86         0x00, 0x08, 0x00, 0x08, 0x08, 0x14, 0x05, 0x09,
  87         0x00, 0x00, 0x00, 0x00, 0x09, 0x73, 0x00, 0xc5, /* 0x4f */
  88         0x00, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  89         0x00, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x5f */
  90         0xe4, 0x80, 0x00, 0x00, 0x00, 0x00, 0x98, 0x0a,
  91         0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x01, 0x00, /* 0x6f */
  92         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  93         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x7f */
  94         0x8c, 0x01, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00,
  95         0x08, 0x00, 0x1f, 0xb7, 0x88, 0x47, 0xaa, 0x00, /* 0x8f */
  96         0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xeb,
  97         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, /* 0x9f */
  98         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
  99         0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, /* 0xaf */
 100         0x38, 0x30, 0x00, 0x00, 0xff, 0x0f, 0xe4, 0xe2,
 101         0x00, 0x00, 0x00, 0x03, 0x01, 0x00, 0x00, 0x00, /* 0xbf */
 102         0x18, 0x20, 0x07, 0x18, 0xff, 0xff, 0x10, 0x0a,
 103         0x0e, 0x00, 0x84, 0xa7, 0x3c, 0x10, 0x24, 0x05, /* 0xcf */
 104         0x40, 0x12, 0x00, 0x00, 0x10, 0x28, 0x80, 0x2a,
 105         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xdf */
 106         0x00, 0xf3, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10,
 107         0x00, 0xf4, 0x00, 0xff, 0x79, 0x20, 0x30, 0x08, /* 0xef */
 108         0x00, 0x3e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 109         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00  /* 0xff */
 110 };
 111
 112 static const u16 vnt_frame_time[MAX_RATE] = {
 113         10, 20, 55, 110, 24, 36, 48, 72, 96, 144, 192, 216
 114 };
 115
 116 /*
 117  * Description: Calculate data frame transmitting time
 118  *
 119  * Parameters:
 120  *  In:
 121  *      preamble_type   - Preamble Type
 122  *      pkt_type        - PK_TYPE_11A, PK_TYPE_11B, PK_TYPE_11GB, PK_TYPE_11GA
 123  *      frame_length    - Baseband Type
 124  *      tx_rate         - Tx Rate
 125  *  Out:
 126  *
 127  * Return Value: FrameTime
 128  *
 129  */
 130 unsigned int vnt_get_frame_time(u8 preamble_type, u8 pkt_type,
 131                                 unsigned int frame_length, u16 tx_rate)
 132 {
 133         unsigned int frame_time;
 134         unsigned int preamble;
 135         unsigned int tmp;
 136         unsigned int rate = 0;
 137
 138         if (tx_rate > RATE_54M)
 139                 return 0;
 140
 141         rate = (unsigned int)vnt_frame_time[tx_rate];
 142
 143         if (tx_rate <= 3) {
 144                 if (preamble_type == 1)
 145                         preamble = 96;
 146                 else
 147                         preamble = 192;
 148
 149                 frame_time = (frame_length * 80) / rate;
 150                 tmp = (frame_time * rate) / 80;
 151
 152                 if (frame_length != tmp)
 153                         frame_time++;
 154
 155                 return preamble + frame_time;
 156         }
 157         frame_time = (frame_length * 8 + 22) / rate;
 158         tmp = ((frame_time * rate) - 22) / 8;
 159
 160         if (frame_length != tmp)
 161                 frame_time++;
 162
 163         frame_time = frame_time * 4;
 164
 165         if (pkt_type != PK_TYPE_11A)
 166                 frame_time += 6;
 167         return 20 + frame_time;
 168 }
 169
 170 /*
 171  * Description: Calculate Length, Service, and Signal fields of Phy for Tx
 172  *
 173  * Parameters:
 174  *  In:
 175  *      priv         - Device Structure
 176  *      frame_length   - Tx Frame Length
 177  *      tx_rate           - Tx Rate
 178  *  Out:
 179  *      struct vnt_phy_field *phy
 180  *              - pointer to Phy Length field
 181  *              - pointer to Phy Service field
 182  *              - pointer to Phy Signal field
 183  *
 184  * Return Value: none
 185  *
 186  */
 187 void vnt_get_phy_field(struct vnt_private *priv, u32 frame_length,
 188                        u16 tx_rate, u8 pkt_type, struct vnt_phy_field *phy)
 189 {
 190         u32 bit_count;
 191         u32 count = 0;
 192         u32 tmp;
 193         int ext_bit;
 194         u8 preamble_type = priv->preamble_type;
 195
 196         bit_count = frame_length * 8;
 197         ext_bit = false;
 198
 199         switch (tx_rate) {
 200         case RATE_1M:
 201                 count = bit_count;
 202
 203                 phy->signal = 0x00;
 204
 205                 break;
 206         case RATE_2M:
 207                 count = bit_count / 2;
 208
 209                 if (preamble_type == 1)
 210                         phy->signal = 0x09;
 211                 else
 212                         phy->signal = 0x01;
 213
 214                 break;
 215         case RATE_5M:
 216                 count = (bit_count * 10) / 55;
 217                 tmp = (count * 55) / 10;
 218
 219                 if (tmp != bit_count)
 220                         count++;
 221
 222                 if (preamble_type == 1)
 223                         phy->signal = 0x0a;
 224                 else
 225                         phy->signal = 0x02;
 226
 227                 break;
 228         case RATE_11M:
 229                 count = bit_count / 11;
 230                 tmp = count * 11;
 231
 232                 if (tmp != bit_count) {
 233                         count++;
 234
 235                         if ((bit_count - tmp) <= 3)
 236                                 ext_bit = true;
 237                 }
 238
 239                 if (preamble_type == 1)
 240                         phy->signal = 0x0b;
 241                 else
 242                         phy->signal = 0x03;
 243
 244                 break;
 245         case RATE_6M:
 246                 if (pkt_type == PK_TYPE_11A)
 247                         phy->signal = 0x9b;
 248                 else
 249                         phy->signal = 0x8b;
 250
 251                 break;
 252         case RATE_9M:
 253                 if (pkt_type == PK_TYPE_11A)
 254                         phy->signal = 0x9f;
 255                 else
 256                         phy->signal = 0x8f;
 257
 258                 break;
 259         case RATE_12M:
 260                 if (pkt_type == PK_TYPE_11A)
 261                         phy->signal = 0x9a;
 262                 else
 263                         phy->signal = 0x8a;
 264
 265                 break;
 266         case RATE_18M:
 267                 if (pkt_type == PK_TYPE_11A)
 268                         phy->signal = 0x9e;
 269                 else
 270                         phy->signal = 0x8e;
 271
 272                 break;
 273         case RATE_24M:
 274                 if (pkt_type == PK_TYPE_11A)
 275                         phy->signal = 0x99;
 276                 else
 277                         phy->signal = 0x89;
 278
 279                 break;
 280         case RATE_36M:
 281                 if (pkt_type == PK_TYPE_11A)
 282                         phy->signal = 0x9d;
 283                 else
 284                         phy->signal = 0x8d;
 285
 286                 break;
 287         case RATE_48M:
 288                 if (pkt_type == PK_TYPE_11A)
 289                         phy->signal = 0x98;
 290                 else
 291                         phy->signal = 0x88;
 292
 293                 break;
 294         case RATE_54M:
 295                 if (pkt_type == PK_TYPE_11A)
 296                         phy->signal = 0x9c;
 297                 else
 298                         phy->signal = 0x8c;
 299                 break;
 300         default:
 301                 if (pkt_type == PK_TYPE_11A)
 302                         phy->signal = 0x9c;
 303                 else
 304                         phy->signal = 0x8c;
 305                 break;
 306         }
 307
 308         if (pkt_type == PK_TYPE_11B) {
 309                 phy->service = 0x00;
 310                 if (ext_bit)
 311                         phy->service |= 0x80;
 312                 phy->len = cpu_to_le16((u16)count);
 313         } else {
 314                 phy->service = 0x00;
 315                 phy->len = cpu_to_le16((u16)frame_length);
 316         }
 317 }
 318
 319 /*
 320  * Description: Set Antenna mode
 321  *
 322  * Parameters:
 323  *  In:
 324  *      priv            - Device Structure
 325  *      antenna_mode    - Antenna Mode
 326  *  Out:
 327  *      none
 328  *
 329  * Return Value: none
 330  *
 331  */
 332 void vnt_set_antenna_mode(struct vnt_private *priv, u8 antenna_mode)
 333 {
 334         switch (antenna_mode) {
 335         case ANT_TXA:
 336         case ANT_TXB:
 337                 break;
 338         case ANT_RXA:
 339                 priv->bb_rx_conf &= 0xFC;
 340                 break;
 341         case ANT_RXB:
 342                 priv->bb_rx_conf &= 0xFE;
 343                 priv->bb_rx_conf |= 0x02;
 344                 break;
 345         }
 346
 347         vnt_control_out(priv, MESSAGE_TYPE_SET_ANTMD,
 348                         (u16)antenna_mode, 0, 0, NULL);
 349 }
 350
 351 /*
 352  * Description: Set Antenna mode
 353  *
 354  * Parameters:
 355  *  In:
 356  *      pDevice          - Device Structure
 357  *      byAntennaMode    - Antenna Mode
 358  *  Out:
 359  *      none
 360  *
 361  * Return Value: none
 362  *
 363  */
 364
 365 int vnt_vt3184_init(struct vnt_private *priv)
 366 {
 367         int status;
 368         u16 length;
 369         u8 *addr;
 370         u8 *agc;
 371         u16 length_agc;
 372         u8 array[256];
 373         u8 data;
 374
 375         status = vnt_control_in(priv, MESSAGE_TYPE_READ, 0,
 376                                 MESSAGE_REQUEST_EEPROM, EEP_MAX_CONTEXT_SIZE,
 377                                                 priv->eeprom);
 378         if (status != STATUS_SUCCESS)
 379                 return false;
 380
 381         priv->rf_type = priv->eeprom[EEP_OFS_RFTYPE];
 382
 383         dev_dbg(&priv->usb->dev, "RF Type %d\n", priv->rf_type);
 384
 385         if ((priv->rf_type == RF_AL2230) ||
 386             (priv->rf_type == RF_AL2230S)) {
 387                 priv->bb_rx_conf = vnt_vt3184_al2230[10];
 388                 length = sizeof(vnt_vt3184_al2230);
 389                 addr = vnt_vt3184_al2230;
 390                 agc = vnt_vt3184_agc;
 391                 length_agc = sizeof(vnt_vt3184_agc);
 392
 393                 priv->bb_vga[0] = 0x1C;
 394                 priv->bb_vga[1] = 0x10;
 395                 priv->bb_vga[2] = 0x0;
 396                 priv->bb_vga[3] = 0x0;
 397
 398         } else if (priv->rf_type == RF_AIROHA7230) {
 399                 priv->bb_rx_conf = vnt_vt3184_al2230[10];
 400                 length = sizeof(vnt_vt3184_al2230);
 401                 addr = vnt_vt3184_al2230;
 402                 agc = vnt_vt3184_agc;
 403                 length_agc = sizeof(vnt_vt3184_agc);
 404
 405                 addr[0xd7] = 0x06;
 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_VT3226) ||
 413                         (priv->rf_type == RF_VT3226D0)) {
 414                 priv->bb_rx_conf = vnt_vt3184_vt3226d0[10];
 415                 length = sizeof(vnt_vt3184_vt3226d0);
 416                 addr = vnt_vt3184_vt3226d0;
 417                 agc = vnt_vt3184_agc;
 418                 length_agc = sizeof(vnt_vt3184_agc);
 419
 420                 priv->bb_vga[0] = 0x20;
 421                 priv->bb_vga[1] = 0x10;
 422                 priv->bb_vga[2] = 0x0;
 423                 priv->bb_vga[3] = 0x0;
 424
 425                 /* Fix VT3226 DFC system timing issue */
 426                 vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL2,
 427                                     SOFTPWRCTL_RFLEOPT);
 428         } else if (priv->rf_type == RF_VT3342A0) {
 429                 priv->bb_rx_conf = vnt_vt3184_vt3226d0[10];
 430                 length = sizeof(vnt_vt3184_vt3226d0);
 431                 addr = vnt_vt3184_vt3226d0;
 432                 agc = vnt_vt3184_agc;
 433                 length_agc = sizeof(vnt_vt3184_agc);
 434
 435                 priv->bb_vga[0] = 0x20;
 436                 priv->bb_vga[1] = 0x10;
 437                 priv->bb_vga[2] = 0x0;
 438                 priv->bb_vga[3] = 0x0;
 439
 440                 /* Fix VT3226 DFC system timing issue */
 441                 vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL2,
 442                                     SOFTPWRCTL_RFLEOPT);
 443         } else {
 444                 return true;
 445         }
 446
 447         memcpy(array, addr, length);
 448
 449         vnt_control_out(priv, MESSAGE_TYPE_WRITE, 0,
 450                         MESSAGE_REQUEST_BBREG, length, array);
 451
 452         memcpy(array, agc, length_agc);
 453
 454         vnt_control_out(priv, MESSAGE_TYPE_WRITE, 0,
 455                         MESSAGE_REQUEST_BBAGC, length_agc, array);
 456
 457         if ((priv->rf_type == RF_VT3226) ||
 458             (priv->rf_type == RF_VT3342A0)) {
 459                 vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG,
 460                                    MAC_REG_ITRTMSET, 0x23);
 461                 vnt_mac_reg_bits_on(priv, MAC_REG_PAPEDELAY, 0x01);
 462         } else if (priv->rf_type == RF_VT3226D0) {
 463                 vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG,
 464                                    MAC_REG_ITRTMSET, 0x11);
 465                 vnt_mac_reg_bits_on(priv, MAC_REG_PAPEDELAY, 0x01);
 466         }
 467
 468         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x04, 0x7f);
 469         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0x01);
 470
 471         vnt_rf_table_download(priv);
 472
 473         /* Fix for TX USB resets from vendors driver */
 474         vnt_control_in(priv, MESSAGE_TYPE_READ, USB_REG4,
 475                        MESSAGE_REQUEST_MEM, sizeof(data), &data);
 476
 477         data |= 0x2;
 478
 479         vnt_control_out(priv, MESSAGE_TYPE_WRITE, USB_REG4,
 480                         MESSAGE_REQUEST_MEM, sizeof(data), &data);
 481
 482         return true;
 483 }
 484
 485 /*
 486  * Description: Set ShortSlotTime mode
 487  *
 488  * Parameters:
 489  *  In:
 490  *      priv    - Device Structure
 491  *  Out:
 492  *      none
 493  *
 494  * Return Value: none
 495  *
 496  */
 497 void vnt_set_short_slot_time(struct vnt_private *priv)
 498 {
 499         u8 bb_vga = 0;
 500
 501         if (priv->short_slot_time)
 502                 priv->bb_rx_conf &= 0xdf;
 503         else
 504                 priv->bb_rx_conf |= 0x20;
 505
 506         vnt_control_in_u8(priv, MESSAGE_REQUEST_BBREG, 0xe7, &bb_vga);
 507
 508         if (bb_vga == priv->bb_vga[0])
 509                 priv->bb_rx_conf |= 0x20;
 510
 511         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0a, priv->bb_rx_conf);
 512 }
 513
 514 void vnt_set_vga_gain_offset(struct vnt_private *priv, u8 data)
 515 {
 516         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xE7, data);
 517
 518         /* patch for 3253B0 Baseband with Cardbus module */
 519         if (priv->short_slot_time)
 520                 priv->bb_rx_conf &= 0xdf; /* 1101 1111 */
 521         else
 522                 priv->bb_rx_conf |= 0x20; /* 0010 0000 */
 523
 524         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0a, priv->bb_rx_conf);
 525 }
 526
 527 /*
 528  * Description: vnt_set_deep_sleep
 529  *
 530  * Parameters:
 531  *  In:
 532  *      priv    - Device Structure
 533  *  Out:
 534  *      none
 535  *
 536  * Return Value: none
 537  *
 538  */
 539 void vnt_set_deep_sleep(struct vnt_private *priv)
 540 {
 541         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0c, 0x17);/* CR12 */
 542         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0xB9);/* CR13 */
 543 }
 544
 545 void vnt_exit_deep_sleep(struct vnt_private *priv)
 546 {
 547         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0c, 0x00);/* CR12 */
 548         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0x01);/* CR13 */
 549 }
 550
 551 void vnt_update_pre_ed_threshold(struct vnt_private *priv, int scanning)
 552 {
 553         u8 cr_201 = 0x0, cr_206 = 0x0;
 554         u8 ed_inx = priv->bb_pre_ed_index;
 555
 556         switch (priv->rf_type) {
 557         case RF_AL2230:
 558         case RF_AL2230S:
 559         case RF_AIROHA7230:
 560                 if (scanning) { /* Max sensitivity */
 561                         ed_inx = 0;
 562                         cr_206 = 0x30;
 563                         break;
 564                 }
 565
 566                 if (priv->bb_pre_ed_rssi <= 45) {
 567                         ed_inx = 20;
 568                         cr_201 = 0xff;
 569                 } else if (priv->bb_pre_ed_rssi <= 46) {
 570                         ed_inx = 19;
 571                         cr_201 = 0x1a;
 572                 } else if (priv->bb_pre_ed_rssi <= 47) {
 573                         ed_inx = 18;
 574                         cr_201 = 0x15;
 575                 } else if (priv->bb_pre_ed_rssi <= 49) {
 576                         ed_inx = 17;
 577                         cr_201 = 0xe;
 578                 } else if (priv->bb_pre_ed_rssi <= 51) {
 579                         ed_inx = 16;
 580                         cr_201 = 0x9;
 581                 } else if (priv->bb_pre_ed_rssi <= 53) {
 582                         ed_inx = 15;
 583                         cr_201 = 0x6;
 584                 } else if (priv->bb_pre_ed_rssi <= 55) {
 585                         ed_inx = 14;
 586                         cr_201 = 0x3;
 587                 } else if (priv->bb_pre_ed_rssi <= 56) {
 588                         ed_inx = 13;
 589                         cr_201 = 0x2;
 590                         cr_206 = 0xa0;
 591                 } else if (priv->bb_pre_ed_rssi <= 57) {
 592                         ed_inx = 12;
 593                         cr_201 = 0x2;
 594                         cr_206 = 0x20;
 595                 } else if (priv->bb_pre_ed_rssi <= 58) {
 596                         ed_inx = 11;
 597                         cr_201 = 0x1;
 598                         cr_206 = 0xa0;
 599                 } else if (priv->bb_pre_ed_rssi <= 59) {
 600                         ed_inx = 10;
 601                         cr_201 = 0x1;
 602                         cr_206 = 0x54;
 603                 } else if (priv->bb_pre_ed_rssi <= 60) {
 604                         ed_inx = 9;
 605                         cr_201 = 0x1;
 606                         cr_206 = 0x18;
 607                 } else if (priv->bb_pre_ed_rssi <= 61) {
 608                         ed_inx = 8;
 609                         cr_206 = 0xe3;
 610                 } else if (priv->bb_pre_ed_rssi <= 62) {
 611                         ed_inx = 7;
 612                         cr_206 = 0xb9;
 613                 } else if (priv->bb_pre_ed_rssi <= 63) {
 614                         ed_inx = 6;
 615                         cr_206 = 0x93;
 616                 } else if (priv->bb_pre_ed_rssi <= 64) {
 617                         ed_inx = 5;
 618                         cr_206 = 0x79;
 619                 } else if (priv->bb_pre_ed_rssi <= 65) {
 620                         ed_inx = 4;
 621                         cr_206 = 0x62;
 622                 } else if (priv->bb_pre_ed_rssi <= 66) {
 623                         ed_inx = 3;
 624                         cr_206 = 0x51;
 625                 } else if (priv->bb_pre_ed_rssi <= 67) {
 626                         ed_inx = 2;
 627                         cr_206 = 0x43;
 628                 } else if (priv->bb_pre_ed_rssi <= 68) {
 629                         ed_inx = 1;
 630                         cr_206 = 0x36;
 631                 } else {
 632                         ed_inx = 0;
 633                         cr_206 = 0x30;
 634                 }
 635                 break;
 636
 637         case RF_VT3226:
 638         case RF_VT3226D0:
 639                 if (scanning)   { /* Max sensitivity */
 640                         ed_inx = 0;
 641                         cr_206 = 0x24;
 642                         break;
 643                 }
 644
 645                 if (priv->bb_pre_ed_rssi <= 41) {
 646                         ed_inx = 22;
 647                         cr_201 = 0xff;
 648                 } else if (priv->bb_pre_ed_rssi <= 42) {
 649                         ed_inx = 21;
 650                         cr_201 = 0x36;
 651                 } else if (priv->bb_pre_ed_rssi <= 43) {
 652                         ed_inx = 20;
 653                         cr_201 = 0x26;
 654                 } else if (priv->bb_pre_ed_rssi <= 45) {
 655                         ed_inx = 19;
 656                         cr_201 = 0x18;
 657                 } else if (priv->bb_pre_ed_rssi <= 47) {
 658                         ed_inx = 18;
 659                         cr_201 = 0x11;
 660                 } else if (priv->bb_pre_ed_rssi <= 49) {
 661                         ed_inx = 17;
 662                         cr_201 = 0xa;
 663                 } else if (priv->bb_pre_ed_rssi <= 51) {
 664                         ed_inx = 16;
 665                         cr_201 = 0x7;
 666                 } else if (priv->bb_pre_ed_rssi <= 53) {
 667                         ed_inx = 15;
 668                         cr_201 = 0x4;
 669                 } else if (priv->bb_pre_ed_rssi <= 55) {
 670                         ed_inx = 14;
 671                         cr_201 = 0x2;
 672                         cr_206 = 0xc0;
 673                 } else if (priv->bb_pre_ed_rssi <= 56) {
 674                         ed_inx = 13;
 675                         cr_201 = 0x2;
 676                         cr_206 = 0x30;
 677                 } else if (priv->bb_pre_ed_rssi <= 57) {
 678                         ed_inx = 12;
 679                         cr_201 = 0x1;
 680                         cr_206 = 0xb0;
 681                 } else if (priv->bb_pre_ed_rssi <= 58) {
 682                         ed_inx = 11;
 683                         cr_201 = 0x1;
 684                         cr_206 = 0x70;
 685                 } else if (priv->bb_pre_ed_rssi <= 59) {
 686                         ed_inx = 10;
 687                         cr_201 = 0x1;
 688                         cr_206 = 0x30;
 689                 } else if (priv->bb_pre_ed_rssi <= 60) {
 690                         ed_inx = 9;
 691                         cr_206 = 0xea;
 692                 } else if (priv->bb_pre_ed_rssi <= 61) {
 693                         ed_inx = 8;
 694                         cr_206 = 0xc0;
 695                 } else if (priv->bb_pre_ed_rssi <= 62) {
 696                         ed_inx = 7;
 697                         cr_206 = 0x9c;
 698                 } else if (priv->bb_pre_ed_rssi <= 63) {
 699                         ed_inx = 6;
 700                         cr_206 = 0x80;
 701                 } else if (priv->bb_pre_ed_rssi <= 64) {
 702                         ed_inx = 5;
 703                         cr_206 = 0x68;
 704                 } else if (priv->bb_pre_ed_rssi <= 65) {
 705                         ed_inx = 4;
 706                         cr_206 = 0x52;
 707                 } else if (priv->bb_pre_ed_rssi <= 66) {
 708                         ed_inx = 3;
 709                         cr_206 = 0x43;
 710                 } else if (priv->bb_pre_ed_rssi <= 67) {
 711                         ed_inx = 2;
 712                         cr_206 = 0x36;
 713                 } else if (priv->bb_pre_ed_rssi <= 68) {
 714                         ed_inx = 1;
 715                         cr_206 = 0x2d;
 716                 } else {
 717                         ed_inx = 0;
 718                         cr_206 = 0x24;
 719                 }
 720                 break;
 721
 722         case RF_VT3342A0:
 723                 if (scanning) { /* need Max sensitivity */
 724                         ed_inx = 0;
 725                         cr_206 = 0x38;
 726                         break;
 727                 }
 728
 729                 if (priv->bb_pre_ed_rssi <= 41) {
 730                         ed_inx = 20;
 731                         cr_201 = 0xff;
 732                 } else if (priv->bb_pre_ed_rssi <= 42) {
 733                         ed_inx = 19;
 734                         cr_201 = 0x36;
 735                 } else if (priv->bb_pre_ed_rssi <= 43) {
 736                         ed_inx = 18;
 737                         cr_201 = 0x26;
 738                 } else if (priv->bb_pre_ed_rssi <= 45) {
 739                         ed_inx = 17;
 740                         cr_201 = 0x18;
 741                 } else if (priv->bb_pre_ed_rssi <= 47) {
 742                         ed_inx = 16;
 743                         cr_201 = 0x11;
 744                 } else if (priv->bb_pre_ed_rssi <= 49) {
 745                         ed_inx = 15;
 746                         cr_201 = 0xa;
 747                 } else if (priv->bb_pre_ed_rssi <= 51) {
 748                         ed_inx = 14;
 749                         cr_201 = 0x7;
 750                 } else if (priv->bb_pre_ed_rssi <= 53) {
 751                         ed_inx = 13;
 752                         cr_201 = 0x4;
 753                 } else if (priv->bb_pre_ed_rssi <= 55) {
 754                         ed_inx = 12;
 755                         cr_201 = 0x2;
 756                         cr_206 = 0xc0;
 757                 } else if (priv->bb_pre_ed_rssi <= 56) {
 758                         ed_inx = 11;
 759                         cr_201 = 0x2;
 760                         cr_206 = 0x30;
 761                 } else if (priv->bb_pre_ed_rssi <= 57) {
 762                         ed_inx = 10;
 763                         cr_201 = 0x1;
 764                         cr_206 = 0xb0;
 765                 } else if (priv->bb_pre_ed_rssi <= 58) {
 766                         ed_inx = 9;
 767                         cr_201 = 0x1;
 768                         cr_206 = 0x70;
 769                 } else if (priv->bb_pre_ed_rssi <= 59) {
 770                         ed_inx = 8;
 771                         cr_201 = 0x1;
 772                         cr_206 = 0x30;
 773                 } else if (priv->bb_pre_ed_rssi <= 60) {
 774                         ed_inx = 7;
 775                         cr_206 = 0xea;
 776                 } else if (priv->bb_pre_ed_rssi <= 61) {
 777                         ed_inx = 6;
 778                         cr_206 = 0xc0;
 779                 } else if (priv->bb_pre_ed_rssi <= 62) {
 780                         ed_inx = 5;
 781                         cr_206 = 0x9c;
 782                 } else if (priv->bb_pre_ed_rssi <= 63) {
 783                         ed_inx = 4;
 784                         cr_206 = 0x80;
 785                 } else if (priv->bb_pre_ed_rssi <= 64) {
 786                         ed_inx = 3;
 787                         cr_206 = 0x68;
 788                 } else if (priv->bb_pre_ed_rssi <= 65) {
 789                         ed_inx = 2;
 790                         cr_206 = 0x52;
 791                 } else if (priv->bb_pre_ed_rssi <= 66) {
 792                         ed_inx = 1;
 793                         cr_206 = 0x43;
 794                 } else {
 795                         ed_inx = 0;
 796                         cr_206 = 0x38;
 797                 }
 798                 break;
 799         }
 800
 801         if (ed_inx == priv->bb_pre_ed_index && !scanning)
 802                 return;
 803
 804         priv->bb_pre_ed_index = ed_inx;
 805
 806         dev_dbg(&priv->usb->dev, "%s bb_pre_ed_rssi %d\n",
 807                 __func__, priv->bb_pre_ed_rssi);
 808
 809         if (!cr_201 && !cr_206)
 810                 return;
 811
 812         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xc9, cr_201);
 813         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xce, cr_206);
 814 }
 815