drivers/net/wireless/zd1211rw/zd_rf_al2230.c

   1 /* ZD1211 USB-WLAN driver for Linux
   2  *
   3  * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
   4  * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19  */
  20
  21 #include <linux/kernel.h>
  22
  23 #include "zd_rf.h"
  24 #include "zd_usb.h"
  25 #include "zd_chip.h"
  26
  27 #define IS_AL2230S(chip) ((chip)->al2230s_bit || (chip)->rf.type == AL2230S_RF)
  28
  29 static const u32 zd1211_al2230_table[][3] = {
  30         RF_CHANNEL( 1) = { 0x03f790, 0x033331, 0x00000d, },
  31         RF_CHANNEL( 2) = { 0x03f790, 0x0b3331, 0x00000d, },
  32         RF_CHANNEL( 3) = { 0x03e790, 0x033331, 0x00000d, },
  33         RF_CHANNEL( 4) = { 0x03e790, 0x0b3331, 0x00000d, },
  34         RF_CHANNEL( 5) = { 0x03f7a0, 0x033331, 0x00000d, },
  35         RF_CHANNEL( 6) = { 0x03f7a0, 0x0b3331, 0x00000d, },
  36         RF_CHANNEL( 7) = { 0x03e7a0, 0x033331, 0x00000d, },
  37         RF_CHANNEL( 8) = { 0x03e7a0, 0x0b3331, 0x00000d, },
  38         RF_CHANNEL( 9) = { 0x03f7b0, 0x033331, 0x00000d, },
  39         RF_CHANNEL(10) = { 0x03f7b0, 0x0b3331, 0x00000d, },
  40         RF_CHANNEL(11) = { 0x03e7b0, 0x033331, 0x00000d, },
  41         RF_CHANNEL(12) = { 0x03e7b0, 0x0b3331, 0x00000d, },
  42         RF_CHANNEL(13) = { 0x03f7c0, 0x033331, 0x00000d, },
  43         RF_CHANNEL(14) = { 0x03e7c0, 0x066661, 0x00000d, },
  44 };
  45
  46 static const u32 zd1211b_al2230_table[][3] = {
  47         RF_CHANNEL( 1) = { 0x09efc0, 0x8cccc0, 0xb00000, },
  48         RF_CHANNEL( 2) = { 0x09efc0, 0x8cccd0, 0xb00000, },
  49         RF_CHANNEL( 3) = { 0x09e7c0, 0x8cccc0, 0xb00000, },
  50         RF_CHANNEL( 4) = { 0x09e7c0, 0x8cccd0, 0xb00000, },
  51         RF_CHANNEL( 5) = { 0x05efc0, 0x8cccc0, 0xb00000, },
  52         RF_CHANNEL( 6) = { 0x05efc0, 0x8cccd0, 0xb00000, },
  53         RF_CHANNEL( 7) = { 0x05e7c0, 0x8cccc0, 0xb00000, },
  54         RF_CHANNEL( 8) = { 0x05e7c0, 0x8cccd0, 0xb00000, },
  55         RF_CHANNEL( 9) = { 0x0defc0, 0x8cccc0, 0xb00000, },
  56         RF_CHANNEL(10) = { 0x0defc0, 0x8cccd0, 0xb00000, },
  57         RF_CHANNEL(11) = { 0x0de7c0, 0x8cccc0, 0xb00000, },
  58         RF_CHANNEL(12) = { 0x0de7c0, 0x8cccd0, 0xb00000, },
  59         RF_CHANNEL(13) = { 0x03efc0, 0x8cccc0, 0xb00000, },
  60         RF_CHANNEL(14) = { 0x03e7c0, 0x866660, 0xb00000, },
  61 };
  62
  63 static const struct zd_ioreq16 zd1211b_ioreqs_shared_1[] = {
  64         { CR240, 0x57 }, { CR9,   0xe0 },
  65 };
  66
  67 static const struct zd_ioreq16 ioreqs_init_al2230s[] = {
  68         { CR47,   0x1e }, /* MARK_002 */
  69         { CR106,  0x22 },
  70         { CR107,  0x2a }, /* MARK_002 */
  71         { CR109,  0x13 }, /* MARK_002 */
  72         { CR118,  0xf8 }, /* MARK_002 */
  73         { CR119,  0x12 }, { CR122,  0xe0 },
  74         { CR128,  0x10 }, /* MARK_001 from 0xe->0x10 */
  75         { CR129,  0x0e }, /* MARK_001 from 0xd->0x0e */
  76         { CR130,  0x10 }, /* MARK_001 from 0xb->0x0d */
  77 };
  78
  79 static int zd1211b_al2230_finalize_rf(struct zd_chip *chip)
  80 {
  81         int r;
  82         static const struct zd_ioreq16 ioreqs[] = {
  83                 { CR80,  0x30 }, { CR81,  0x30 }, { CR79,  0x58 },
  84                 { CR12,  0xf0 }, { CR77,  0x1b }, { CR78,  0x58 },
  85                 { CR203, 0x06 },
  86                 { },
  87
  88                 { CR240, 0x80 },
  89         };
  90
  91         r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
  92         if (r)
  93                 return r;
  94
  95         /* related to antenna selection? */
  96         if (chip->new_phy_layout) {
  97                 r = zd_iowrite16_locked(chip, 0xe1, CR9);
  98                 if (r)
  99                         return r;
 100         }
 101
 102         return zd_iowrite16_locked(chip, 0x06, CR203);
 103 }
 104
 105 static int zd1211_al2230_init_hw(struct zd_rf *rf)
 106 {
 107         int r;
 108         struct zd_chip *chip = zd_rf_to_chip(rf);
 109
 110         static const struct zd_ioreq16 ioreqs_init[] = {
 111                 { CR15,   0x20 }, { CR23,   0x40 }, { CR24,  0x20 },
 112                 { CR26,   0x11 }, { CR28,   0x3e }, { CR29,  0x00 },
 113                 { CR44,   0x33 }, { CR106,  0x2a }, { CR107, 0x1a },
 114                 { CR109,  0x09 }, { CR110,  0x27 }, { CR111, 0x2b },
 115                 { CR112,  0x2b }, { CR119,  0x0a }, { CR10,  0x89 },
 116                 /* for newest (3rd cut) AL2300 */
 117                 { CR17,   0x28 },
 118                 { CR26,   0x93 }, { CR34,   0x30 },
 119                 /* for newest (3rd cut) AL2300 */
 120                 { CR35,   0x3e },
 121                 { CR41,   0x24 }, { CR44,   0x32 },
 122                 /* for newest (3rd cut) AL2300 */
 123                 { CR46,   0x96 },
 124                 { CR47,   0x1e }, { CR79,   0x58 }, { CR80,  0x30 },
 125                 { CR81,   0x30 }, { CR87,   0x0a }, { CR89,  0x04 },
 126                 { CR92,   0x0a }, { CR99,   0x28 }, { CR100, 0x00 },
 127                 { CR101,  0x13 }, { CR102,  0x27 }, { CR106, 0x24 },
 128                 { CR107,  0x2a }, { CR109,  0x09 }, { CR110, 0x13 },
 129                 { CR111,  0x1f }, { CR112,  0x1f }, { CR113, 0x27 },
 130                 { CR114,  0x27 },
 131                 /* for newest (3rd cut) AL2300 */
 132                 { CR115,  0x24 },
 133                 { CR116,  0x24 }, { CR117,  0xf4 }, { CR118, 0xfc },
 134                 { CR119,  0x10 }, { CR120,  0x4f }, { CR121, 0x77 },
 135                 { CR122,  0xe0 }, { CR137,  0x88 }, { CR252, 0xff },
 136                 { CR253,  0xff },
 137         };
 138
 139         static const struct zd_ioreq16 ioreqs_pll[] = {
 140                 /* shdnb(PLL_ON)=0 */
 141                 { CR251,  0x2f },
 142                 /* shdnb(PLL_ON)=1 */
 143                 { CR251,  0x3f },
 144                 { CR138,  0x28 }, { CR203,  0x06 },
 145         };
 146
 147         static const u32 rv1[] = {
 148                 /* Channel 1 */
 149                 0x03f790,
 150                 0x033331,
 151                 0x00000d,
 152
 153                 0x0b3331,
 154                 0x03b812,
 155                 0x00fff3,
 156         };
 157
 158         static const u32 rv2[] = {
 159                 0x000da4,
 160                 0x0f4dc5, /* fix freq shift, 0x04edc5 */
 161                 0x0805b6,
 162                 0x011687,
 163                 0x000688,
 164                 0x0403b9, /* external control TX power (CR31) */
 165                 0x00dbba,
 166                 0x00099b,
 167                 0x0bdffc,
 168                 0x00000d,
 169                 0x00500f,
 170         };
 171
 172         static const u32 rv3[] = {
 173                 0x00d00f,
 174                 0x004c0f,
 175                 0x00540f,
 176                 0x00700f,
 177                 0x00500f,
 178         };
 179
 180         r = zd_iowrite16a_locked(chip, ioreqs_init, ARRAY_SIZE(ioreqs_init));
 181         if (r)
 182                 return r;
 183
 184         if (IS_AL2230S(chip)) {
 185                 r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
 186                         ARRAY_SIZE(ioreqs_init_al2230s));
 187                 if (r)
 188                         return r;
 189         }
 190
 191         r = zd_rfwritev_locked(chip, rv1, ARRAY_SIZE(rv1), RF_RV_BITS);
 192         if (r)
 193                 return r;
 194
 195         /* improve band edge for AL2230S */
 196         if (IS_AL2230S(chip))
 197                 r = zd_rfwrite_locked(chip, 0x000824, RF_RV_BITS);
 198         else
 199                 r = zd_rfwrite_locked(chip, 0x0005a4, RF_RV_BITS);
 200         if (r)
 201                 return r;
 202
 203         r = zd_rfwritev_locked(chip, rv2, ARRAY_SIZE(rv2), RF_RV_BITS);
 204         if (r)
 205                 return r;
 206
 207         r = zd_iowrite16a_locked(chip, ioreqs_pll, ARRAY_SIZE(ioreqs_pll));
 208         if (r)
 209                 return r;
 210
 211         r = zd_rfwritev_locked(chip, rv3, ARRAY_SIZE(rv3), RF_RV_BITS);
 212         if (r)
 213                 return r;
 214
 215         return 0;
 216 }
 217
 218 static int zd1211b_al2230_init_hw(struct zd_rf *rf)
 219 {
 220         int r;
 221         struct zd_chip *chip = zd_rf_to_chip(rf);
 222
 223         static const struct zd_ioreq16 ioreqs1[] = {
 224                 { CR10,  0x89 }, { CR15,  0x20 },
 225                 { CR17,  0x2B }, /* for newest(3rd cut) AL2230 */
 226                 { CR23,  0x40 }, { CR24,  0x20 }, { CR26,  0x93 },
 227                 { CR28,  0x3e }, { CR29,  0x00 },
 228                 { CR33,  0x28 }, /* 5621 */
 229                 { CR34,  0x30 },
 230                 { CR35,  0x3e }, /* for newest(3rd cut) AL2230 */
 231                 { CR41,  0x24 }, { CR44,  0x32 },
 232                 { CR46,  0x99 }, /* for newest(3rd cut) AL2230 */
 233                 { CR47,  0x1e },
 234
 235                 /* ZD1211B 05.06.10 */
 236                 { CR48,  0x06 }, { CR49,  0xf9 }, { CR51,  0x01 },
 237                 { CR52,  0x80 }, { CR53,  0x7e }, { CR65,  0x00 },
 238                 { CR66,  0x00 }, { CR67,  0x00 }, { CR68,  0x00 },
 239                 { CR69,  0x28 },
 240
 241                 { CR79,  0x58 }, { CR80,  0x30 }, { CR81,  0x30 },
 242                 { CR87,  0x0a }, { CR89,  0x04 },
 243                 { CR91,  0x00 }, /* 5621 */
 244                 { CR92,  0x0a },
 245                 { CR98,  0x8d }, /* 4804,  for 1212 new algorithm */
 246                 { CR99,  0x00 }, /* 5621 */
 247                 { CR101, 0x13 }, { CR102, 0x27 },
 248                 { CR106, 0x24 }, /* for newest(3rd cut) AL2230 */
 249                 { CR107, 0x2a },
 250                 { CR109, 0x13 }, /* 4804, for 1212 new algorithm */
 251                 { CR110, 0x1f }, /* 4804, for 1212 new algorithm */
 252                 { CR111, 0x1f }, { CR112, 0x1f }, { CR113, 0x27 },
 253                 { CR114, 0x27 },
 254                 { CR115, 0x26 }, /* 24->26 at 4902 for newest(3rd cut) AL2230 */
 255                 { CR116, 0x24 },
 256                 { CR117, 0xfa }, /* for 1211b */
 257                 { CR118, 0xfa }, /* for 1211b */
 258                 { CR119, 0x10 },
 259                 { CR120, 0x4f },
 260                 { CR121, 0x6c }, /* for 1211b */
 261                 { CR122, 0xfc }, /* E0->FC at 4902 */
 262                 { CR123, 0x57 }, /* 5623 */
 263                 { CR125, 0xad }, /* 4804, for 1212 new algorithm */
 264                 { CR126, 0x6c }, /* 5614 */
 265                 { CR127, 0x03 }, /* 4804, for 1212 new algorithm */
 266                 { CR137, 0x50 }, /* 5614 */
 267                 { CR138, 0xa8 },
 268                 { CR144, 0xac }, /* 5621 */
 269                 { CR150, 0x0d }, { CR252, 0x34 }, { CR253, 0x34 },
 270         };
 271
 272         static const u32 rv1[] = {
 273                 0x8cccd0,
 274                 0x481dc0,
 275                 0xcfff00,
 276                 0x25a000,
 277         };
 278
 279         static const u32 rv2[] = {
 280                 /* To improve AL2230 yield, improve phase noise, 4713 */
 281                 0x25a000,
 282                 0xa3b2f0,
 283
 284                 0x6da010, /* Reg6 update for MP versio */
 285                 0xe36280, /* Modified by jxiao for Bor-Chin on 2004/08/02 */
 286                 0x116000,
 287                 0x9dc020, /* External control TX power (CR31) */
 288                 0x5ddb00, /* RegA update for MP version */
 289                 0xd99000, /* RegB update for MP version */
 290                 0x3ffbd0, /* RegC update for MP version */
 291                 0xb00000, /* RegD update for MP version */
 292
 293                 /* improve phase noise and remove phase calibration,4713 */
 294                 0xf01a00,
 295         };
 296
 297         static const struct zd_ioreq16 ioreqs2[] = {
 298                 { CR251, 0x2f }, /* shdnb(PLL_ON)=0 */
 299                 { CR251, 0x7f }, /* shdnb(PLL_ON)=1 */
 300         };
 301
 302         static const u32 rv3[] = {
 303                 /* To improve AL2230 yield, 4713 */
 304                 0xf01b00,
 305                 0xf01e00,
 306                 0xf01a00,
 307         };
 308
 309         static const struct zd_ioreq16 ioreqs3[] = {
 310                 /* related to 6M band edge patching, happens unconditionally */
 311                 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 },
 312         };
 313
 314         r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
 315                 ARRAY_SIZE(zd1211b_ioreqs_shared_1));
 316         if (r)
 317                 return r;
 318         r = zd_iowrite16a_locked(chip, ioreqs1, ARRAY_SIZE(ioreqs1));
 319         if (r)
 320                 return r;
 321
 322         if (IS_AL2230S(chip)) {
 323                 r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
 324                         ARRAY_SIZE(ioreqs_init_al2230s));
 325                 if (r)
 326                         return r;
 327         }
 328
 329         r = zd_rfwritev_cr_locked(chip, zd1211b_al2230_table[0], 3);
 330         if (r)
 331                 return r;
 332         r = zd_rfwritev_cr_locked(chip, rv1, ARRAY_SIZE(rv1));
 333         if (r)
 334                 return r;
 335
 336         if (IS_AL2230S(chip))
 337                 r = zd_rfwrite_locked(chip, 0x241000, RF_RV_BITS);
 338         else
 339                 r = zd_rfwrite_locked(chip, 0x25a000, RF_RV_BITS);
 340         if (r)
 341                 return r;
 342
 343         r = zd_rfwritev_cr_locked(chip, rv2, ARRAY_SIZE(rv2));
 344         if (r)
 345                 return r;
 346         r = zd_iowrite16a_locked(chip, ioreqs2, ARRAY_SIZE(ioreqs2));
 347         if (r)
 348                 return r;
 349         r = zd_rfwritev_cr_locked(chip, rv3, ARRAY_SIZE(rv3));
 350         if (r)
 351                 return r;
 352         r = zd_iowrite16a_locked(chip, ioreqs3, ARRAY_SIZE(ioreqs3));
 353         if (r)
 354                 return r;
 355         return zd1211b_al2230_finalize_rf(chip);
 356 }
 357
 358 static int zd1211_al2230_set_channel(struct zd_rf *rf, u8 channel)
 359 {
 360         int r;
 361         const u32 *rv = zd1211_al2230_table[channel-1];
 362         struct zd_chip *chip = zd_rf_to_chip(rf);
 363         static const struct zd_ioreq16 ioreqs[] = {
 364                 { CR138, 0x28 },
 365                 { CR203, 0x06 },
 366         };
 367
 368         r = zd_rfwritev_locked(chip, rv, 3, RF_RV_BITS);
 369         if (r)
 370                 return r;
 371         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 372 }
 373
 374 static int zd1211b_al2230_set_channel(struct zd_rf *rf, u8 channel)
 375 {
 376         int r;
 377         const u32 *rv = zd1211b_al2230_table[channel-1];
 378         struct zd_chip *chip = zd_rf_to_chip(rf);
 379
 380         r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
 381                 ARRAY_SIZE(zd1211b_ioreqs_shared_1));
 382         if (r)
 383                 return r;
 384
 385         r = zd_rfwritev_cr_locked(chip, rv, 3);
 386         if (r)
 387                 return r;
 388
 389         return zd1211b_al2230_finalize_rf(chip);
 390 }
 391
 392 static int zd1211_al2230_switch_radio_on(struct zd_rf *rf)
 393 {
 394         struct zd_chip *chip = zd_rf_to_chip(rf);
 395         static const struct zd_ioreq16 ioreqs[] = {
 396                 { CR11,  0x00 },
 397                 { CR251, 0x3f },
 398         };
 399
 400         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 401 }
 402
 403 static int zd1211b_al2230_switch_radio_on(struct zd_rf *rf)
 404 {
 405         struct zd_chip *chip = zd_rf_to_chip(rf);
 406         static const struct zd_ioreq16 ioreqs[] = {
 407                 { CR11,  0x00 },
 408                 { CR251, 0x7f },
 409         };
 410
 411         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 412 }
 413
 414 static int al2230_switch_radio_off(struct zd_rf *rf)
 415 {
 416         struct zd_chip *chip = zd_rf_to_chip(rf);
 417         static const struct zd_ioreq16 ioreqs[] = {
 418                 { CR11,  0x04 },
 419                 { CR251, 0x2f },
 420         };
 421
 422         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 423 }
 424
 425 int zd_rf_init_al2230(struct zd_rf *rf)
 426 {
 427         struct zd_chip *chip = zd_rf_to_chip(rf);
 428
 429         rf->switch_radio_off = al2230_switch_radio_off;
 430         if (zd_chip_is_zd1211b(chip)) {
 431                 rf->init_hw = zd1211b_al2230_init_hw;
 432                 rf->set_channel = zd1211b_al2230_set_channel;
 433                 rf->switch_radio_on = zd1211b_al2230_switch_radio_on;
 434         } else {
 435                 rf->init_hw = zd1211_al2230_init_hw;
 436                 rf->set_channel = zd1211_al2230_set_channel;
 437                 rf->switch_radio_on = zd1211_al2230_switch_radio_on;
 438         }
 439         rf->patch_6m_band_edge = zd_rf_generic_patch_6m;
 440         rf->patch_cck_gain = 1;
 441         return 0;
 442 }