drivers/net/wireless/zd1211rw/zd_rf_al2230.c

   1 /* zd_rf_al2230.c: Functions for the AL2230 RF controller
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16  */
  17
  18 #include <linux/kernel.h>
  19
  20 #include "zd_rf.h"
  21 #include "zd_usb.h"
  22 #include "zd_chip.h"
  23
  24 static const u32 zd1211_al2230_table[][3] = {
  25         RF_CHANNEL( 1) = { 0x03f790, 0x033331, 0x00000d, },
  26         RF_CHANNEL( 2) = { 0x03f790, 0x0b3331, 0x00000d, },
  27         RF_CHANNEL( 3) = { 0x03e790, 0x033331, 0x00000d, },
  28         RF_CHANNEL( 4) = { 0x03e790, 0x0b3331, 0x00000d, },
  29         RF_CHANNEL( 5) = { 0x03f7a0, 0x033331, 0x00000d, },
  30         RF_CHANNEL( 6) = { 0x03f7a0, 0x0b3331, 0x00000d, },
  31         RF_CHANNEL( 7) = { 0x03e7a0, 0x033331, 0x00000d, },
  32         RF_CHANNEL( 8) = { 0x03e7a0, 0x0b3331, 0x00000d, },
  33         RF_CHANNEL( 9) = { 0x03f7b0, 0x033331, 0x00000d, },
  34         RF_CHANNEL(10) = { 0x03f7b0, 0x0b3331, 0x00000d, },
  35         RF_CHANNEL(11) = { 0x03e7b0, 0x033331, 0x00000d, },
  36         RF_CHANNEL(12) = { 0x03e7b0, 0x0b3331, 0x00000d, },
  37         RF_CHANNEL(13) = { 0x03f7c0, 0x033331, 0x00000d, },
  38         RF_CHANNEL(14) = { 0x03e7c0, 0x066661, 0x00000d, },
  39 };
  40
  41 static const u32 zd1211b_al2230_table[][3] = {
  42         RF_CHANNEL( 1) = { 0x09efc0, 0x8cccc0, 0xb00000, },
  43         RF_CHANNEL( 2) = { 0x09efc0, 0x8cccd0, 0xb00000, },
  44         RF_CHANNEL( 3) = { 0x09e7c0, 0x8cccc0, 0xb00000, },
  45         RF_CHANNEL( 4) = { 0x09e7c0, 0x8cccd0, 0xb00000, },
  46         RF_CHANNEL( 5) = { 0x05efc0, 0x8cccc0, 0xb00000, },
  47         RF_CHANNEL( 6) = { 0x05efc0, 0x8cccd0, 0xb00000, },
  48         RF_CHANNEL( 7) = { 0x05e7c0, 0x8cccc0, 0xb00000, },
  49         RF_CHANNEL( 8) = { 0x05e7c0, 0x8cccd0, 0xb00000, },
  50         RF_CHANNEL( 9) = { 0x0defc0, 0x8cccc0, 0xb00000, },
  51         RF_CHANNEL(10) = { 0x0defc0, 0x8cccd0, 0xb00000, },
  52         RF_CHANNEL(11) = { 0x0de7c0, 0x8cccc0, 0xb00000, },
  53         RF_CHANNEL(12) = { 0x0de7c0, 0x8cccd0, 0xb00000, },
  54         RF_CHANNEL(13) = { 0x03efc0, 0x8cccc0, 0xb00000, },
  55         RF_CHANNEL(14) = { 0x03e7c0, 0x866660, 0xb00000, },
  56 };
  57
  58 static const struct zd_ioreq16 zd1211b_ioreqs_shared_1[] = {
  59         { CR240, 0x57 }, { CR9,   0xe0 },
  60 };
  61
  62 static const struct zd_ioreq16 ioreqs_init_al2230s[] = {
  63         { CR47,   0x1e }, /* MARK_002 */
  64         { CR106,  0x22 },
  65         { CR107,  0x2a }, /* MARK_002 */
  66         { CR109,  0x13 }, /* MARK_002 */
  67         { CR118,  0xf8 }, /* MARK_002 */
  68         { CR119,  0x12 }, { CR122,  0xe0 },
  69         { CR128,  0x10 }, /* MARK_001 from 0xe->0x10 */
  70         { CR129,  0x0e }, /* MARK_001 from 0xd->0x0e */
  71         { CR130,  0x10 }, /* MARK_001 from 0xb->0x0d */
  72 };
  73
  74 static int zd1211b_al2230_finalize_rf(struct zd_chip *chip)
  75 {
  76         int r;
  77         static const struct zd_ioreq16 ioreqs[] = {
  78                 { CR80,  0x30 }, { CR81,  0x30 }, { CR79,  0x58 },
  79                 { CR12,  0xf0 }, { CR77,  0x1b }, { CR78,  0x58 },
  80                 { CR203, 0x06 },
  81                 { },
  82
  83                 { CR240, 0x80 },
  84         };
  85
  86         r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
  87         if (r)
  88                 return r;
  89
  90         /* related to antenna selection? */
  91         if (chip->new_phy_layout) {
  92                 r = zd_iowrite16_locked(chip, 0xe1, CR9);
  93                 if (r)
  94                         return r;
  95         }
  96
  97         return zd_iowrite16_locked(chip, 0x06, CR203);
  98 }
  99
 100 static int zd1211_al2230_init_hw(struct zd_rf *rf)
 101 {
 102         int r;
 103         struct zd_chip *chip = zd_rf_to_chip(rf);
 104
 105         static const struct zd_ioreq16 ioreqs_init[] = {
 106                 { CR15,   0x20 }, { CR23,   0x40 }, { CR24,  0x20 },
 107                 { CR26,   0x11 }, { CR28,   0x3e }, { CR29,  0x00 },
 108                 { CR44,   0x33 }, { CR106,  0x2a }, { CR107, 0x1a },
 109                 { CR109,  0x09 }, { CR110,  0x27 }, { CR111, 0x2b },
 110                 { CR112,  0x2b }, { CR119,  0x0a }, { CR10,  0x89 },
 111                 /* for newest (3rd cut) AL2300 */
 112                 { CR17,   0x28 },
 113                 { CR26,   0x93 }, { CR34,   0x30 },
 114                 /* for newest (3rd cut) AL2300 */
 115                 { CR35,   0x3e },
 116                 { CR41,   0x24 }, { CR44,   0x32 },
 117                 /* for newest (3rd cut) AL2300 */
 118                 { CR46,   0x96 },
 119                 { CR47,   0x1e }, { CR79,   0x58 }, { CR80,  0x30 },
 120                 { CR81,   0x30 }, { CR87,   0x0a }, { CR89,  0x04 },
 121                 { CR92,   0x0a }, { CR99,   0x28 }, { CR100, 0x00 },
 122                 { CR101,  0x13 }, { CR102,  0x27 }, { CR106, 0x24 },
 123                 { CR107,  0x2a }, { CR109,  0x09 }, { CR110, 0x13 },
 124                 { CR111,  0x1f }, { CR112,  0x1f }, { CR113, 0x27 },
 125                 { CR114,  0x27 },
 126                 /* for newest (3rd cut) AL2300 */
 127                 { CR115,  0x24 },
 128                 { CR116,  0x24 }, { CR117,  0xf4 }, { CR118, 0xfc },
 129                 { CR119,  0x10 }, { CR120,  0x4f }, { CR121, 0x77 },
 130                 { CR122,  0xe0 }, { CR137,  0x88 }, { CR252, 0xff },
 131                 { CR253,  0xff },
 132         };
 133
 134         static const struct zd_ioreq16 ioreqs_pll[] = {
 135                 /* shdnb(PLL_ON)=0 */
 136                 { CR251,  0x2f },
 137                 /* shdnb(PLL_ON)=1 */
 138                 { CR251,  0x3f },
 139                 { CR138,  0x28 }, { CR203,  0x06 },
 140         };
 141
 142         static const u32 rv1[] = {
 143                 /* Channel 1 */
 144                 0x03f790,
 145                 0x033331,
 146                 0x00000d,
 147
 148                 0x0b3331,
 149                 0x03b812,
 150                 0x00fff3,
 151         };
 152
 153         static const u32 rv2[] = {
 154                 0x000da4,
 155                 0x0f4dc5, /* fix freq shift, 0x04edc5 */
 156                 0x0805b6,
 157                 0x011687,
 158                 0x000688,
 159                 0x0403b9, /* external control TX power (CR31) */
 160                 0x00dbba,
 161                 0x00099b,
 162                 0x0bdffc,
 163                 0x00000d,
 164                 0x00500f,
 165         };
 166
 167         static const u32 rv3[] = {
 168                 0x00d00f,
 169                 0x004c0f,
 170                 0x00540f,
 171                 0x00700f,
 172                 0x00500f,
 173         };
 174
 175         r = zd_iowrite16a_locked(chip, ioreqs_init, ARRAY_SIZE(ioreqs_init));
 176         if (r)
 177                 return r;
 178
 179         if (chip->al2230s_bit) {
 180                 r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
 181                         ARRAY_SIZE(ioreqs_init_al2230s));
 182                 if (r)
 183                         return r;
 184         }
 185
 186         r = zd_rfwritev_locked(chip, rv1, ARRAY_SIZE(rv1), RF_RV_BITS);
 187         if (r)
 188                 return r;
 189
 190         /* improve band edge for AL2230S */
 191         if (chip->al2230s_bit)
 192                 r = zd_rfwrite_locked(chip, 0x000824, RF_RV_BITS);
 193         else
 194                 r = zd_rfwrite_locked(chip, 0x0005a4, RF_RV_BITS);
 195         if (r)
 196                 return r;
 197
 198         r = zd_rfwritev_locked(chip, rv2, ARRAY_SIZE(rv2), RF_RV_BITS);
 199         if (r)
 200                 return r;
 201
 202         r = zd_iowrite16a_locked(chip, ioreqs_pll, ARRAY_SIZE(ioreqs_pll));
 203         if (r)
 204                 return r;
 205
 206         r = zd_rfwritev_locked(chip, rv3, ARRAY_SIZE(rv3), RF_RV_BITS);
 207         if (r)
 208                 return r;
 209
 210         return 0;
 211 }
 212
 213 static int zd1211b_al2230_init_hw(struct zd_rf *rf)
 214 {
 215         int r;
 216         struct zd_chip *chip = zd_rf_to_chip(rf);
 217
 218         static const struct zd_ioreq16 ioreqs1[] = {
 219                 { CR10,  0x89 }, { CR15,  0x20 },
 220                 { CR17,  0x2B }, /* for newest(3rd cut) AL2230 */
 221                 { CR23,  0x40 }, { CR24,  0x20 }, { CR26,  0x93 },
 222                 { CR28,  0x3e }, { CR29,  0x00 },
 223                 { CR33,  0x28 }, /* 5621 */
 224                 { CR34,  0x30 },
 225                 { CR35,  0x3e }, /* for newest(3rd cut) AL2230 */
 226                 { CR41,  0x24 }, { CR44,  0x32 },
 227                 { CR46,  0x99 }, /* for newest(3rd cut) AL2230 */
 228                 { CR47,  0x1e },
 229
 230                 /* ZD1211B 05.06.10 */
 231                 { CR48,  0x06 }, { CR49,  0xf9 }, { CR51,  0x01 },
 232                 { CR52,  0x80 }, { CR53,  0x7e }, { CR65,  0x00 },
 233                 { CR66,  0x00 }, { CR67,  0x00 }, { CR68,  0x00 },
 234                 { CR69,  0x28 },
 235
 236                 { CR79,  0x58 }, { CR80,  0x30 }, { CR81,  0x30 },
 237                 { CR87,  0x0a }, { CR89,  0x04 },
 238                 { CR91,  0x00 }, /* 5621 */
 239                 { CR92,  0x0a },
 240                 { CR98,  0x8d }, /* 4804,  for 1212 new algorithm */
 241                 { CR99,  0x00 }, /* 5621 */
 242                 { CR101, 0x13 }, { CR102, 0x27 },
 243                 { CR106, 0x24 }, /* for newest(3rd cut) AL2230 */
 244                 { CR107, 0x2a },
 245                 { CR109, 0x13 }, /* 4804, for 1212 new algorithm */
 246                 { CR110, 0x1f }, /* 4804, for 1212 new algorithm */
 247                 { CR111, 0x1f }, { CR112, 0x1f }, { CR113, 0x27 },
 248                 { CR114, 0x27 },
 249                 { CR115, 0x26 }, /* 24->26 at 4902 for newest(3rd cut) AL2230 */
 250                 { CR116, 0x24 },
 251                 { CR117, 0xfa }, /* for 1211b */
 252                 { CR118, 0xfa }, /* for 1211b */
 253                 { CR119, 0x10 },
 254                 { CR120, 0x4f },
 255                 { CR121, 0x6c }, /* for 1211b */
 256                 { CR122, 0xfc }, /* E0->FC at 4902 */
 257                 { CR123, 0x57 }, /* 5623 */
 258                 { CR125, 0xad }, /* 4804, for 1212 new algorithm */
 259                 { CR126, 0x6c }, /* 5614 */
 260                 { CR127, 0x03 }, /* 4804, for 1212 new algorithm */
 261                 { CR137, 0x50 }, /* 5614 */
 262                 { CR138, 0xa8 },
 263                 { CR144, 0xac }, /* 5621 */
 264                 { CR150, 0x0d }, { CR252, 0x34 }, { CR253, 0x34 },
 265         };
 266
 267         static const u32 rv1[] = {
 268                 0x8cccd0,
 269                 0x481dc0,
 270                 0xcfff00,
 271                 0x25a000,
 272         };
 273
 274         static const u32 rv2[] = {
 275                 /* To improve AL2230 yield, improve phase noise, 4713 */
 276                 0x25a000,
 277                 0xa3b2f0,
 278
 279                 0x6da010, /* Reg6 update for MP versio */
 280                 0xe36280, /* Modified by jxiao for Bor-Chin on 2004/08/02 */
 281                 0x116000,
 282                 0x9dc020, /* External control TX power (CR31) */
 283                 0x5ddb00, /* RegA update for MP version */
 284                 0xd99000, /* RegB update for MP version */
 285                 0x3ffbd0, /* RegC update for MP version */
 286                 0xb00000, /* RegD update for MP version */
 287
 288                 /* improve phase noise and remove phase calibration,4713 */
 289                 0xf01a00,
 290         };
 291
 292         static const struct zd_ioreq16 ioreqs2[] = {
 293                 { CR251, 0x2f }, /* shdnb(PLL_ON)=0 */
 294                 { CR251, 0x7f }, /* shdnb(PLL_ON)=1 */
 295         };
 296
 297         static const u32 rv3[] = {
 298                 /* To improve AL2230 yield, 4713 */
 299                 0xf01b00,
 300                 0xf01e00,
 301                 0xf01a00,
 302         };
 303
 304         static const struct zd_ioreq16 ioreqs3[] = {
 305                 /* related to 6M band edge patching, happens unconditionally */
 306                 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 },
 307         };
 308
 309         r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
 310                 ARRAY_SIZE(zd1211b_ioreqs_shared_1));
 311         if (r)
 312                 return r;
 313         r = zd_iowrite16a_locked(chip, ioreqs1, ARRAY_SIZE(ioreqs1));
 314         if (r)
 315                 return r;
 316
 317         if (chip->al2230s_bit) {
 318                 r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
 319                         ARRAY_SIZE(ioreqs_init_al2230s));
 320                 if (r)
 321                         return r;
 322         }
 323
 324         r = zd_rfwritev_cr_locked(chip, zd1211b_al2230_table[0], 3);
 325         if (r)
 326                 return r;
 327         r = zd_rfwritev_cr_locked(chip, rv1, ARRAY_SIZE(rv1));
 328         if (r)
 329                 return r;
 330
 331         if (chip->al2230s_bit)
 332                 r = zd_rfwrite_locked(chip, 0x241000, RF_RV_BITS);
 333         else
 334                 r = zd_rfwrite_locked(chip, 0x25a000, RF_RV_BITS);
 335         if (r)
 336                 return r;
 337
 338         r = zd_rfwritev_cr_locked(chip, rv2, ARRAY_SIZE(rv2));
 339         if (r)
 340                 return r;
 341         r = zd_iowrite16a_locked(chip, ioreqs2, ARRAY_SIZE(ioreqs2));
 342         if (r)
 343                 return r;
 344         r = zd_rfwritev_cr_locked(chip, rv3, ARRAY_SIZE(rv3));
 345         if (r)
 346                 return r;
 347         r = zd_iowrite16a_locked(chip, ioreqs3, ARRAY_SIZE(ioreqs3));
 348         if (r)
 349                 return r;
 350         return zd1211b_al2230_finalize_rf(chip);
 351 }
 352
 353 static int zd1211_al2230_set_channel(struct zd_rf *rf, u8 channel)
 354 {
 355         int r;
 356         const u32 *rv = zd1211_al2230_table[channel-1];
 357         struct zd_chip *chip = zd_rf_to_chip(rf);
 358         static const struct zd_ioreq16 ioreqs[] = {
 359                 { CR138, 0x28 },
 360                 { CR203, 0x06 },
 361         };
 362
 363         r = zd_rfwritev_locked(chip, rv, 3, RF_RV_BITS);
 364         if (r)
 365                 return r;
 366         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 367 }
 368
 369 static int zd1211b_al2230_set_channel(struct zd_rf *rf, u8 channel)
 370 {
 371         int r;
 372         const u32 *rv = zd1211b_al2230_table[channel-1];
 373         struct zd_chip *chip = zd_rf_to_chip(rf);
 374
 375         r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
 376                 ARRAY_SIZE(zd1211b_ioreqs_shared_1));
 377         if (r)
 378                 return r;
 379
 380         r = zd_rfwritev_cr_locked(chip, rv, 3);
 381         if (r)
 382                 return r;
 383
 384         return zd1211b_al2230_finalize_rf(chip);
 385 }
 386
 387 static int zd1211_al2230_switch_radio_on(struct zd_rf *rf)
 388 {
 389         struct zd_chip *chip = zd_rf_to_chip(rf);
 390         static const struct zd_ioreq16 ioreqs[] = {
 391                 { CR11,  0x00 },
 392                 { CR251, 0x3f },
 393         };
 394
 395         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 396 }
 397
 398 static int zd1211b_al2230_switch_radio_on(struct zd_rf *rf)
 399 {
 400         struct zd_chip *chip = zd_rf_to_chip(rf);
 401         static const struct zd_ioreq16 ioreqs[] = {
 402                 { CR11,  0x00 },
 403                 { CR251, 0x7f },
 404         };
 405
 406         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 407 }
 408
 409 static int al2230_switch_radio_off(struct zd_rf *rf)
 410 {
 411         struct zd_chip *chip = zd_rf_to_chip(rf);
 412         static const struct zd_ioreq16 ioreqs[] = {
 413                 { CR11,  0x04 },
 414                 { CR251, 0x2f },
 415         };
 416
 417         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 418 }
 419
 420 int zd_rf_init_al2230(struct zd_rf *rf)
 421 {
 422         struct zd_chip *chip = zd_rf_to_chip(rf);
 423
 424         rf->switch_radio_off = al2230_switch_radio_off;
 425         if (chip->is_zd1211b) {
 426                 rf->init_hw = zd1211b_al2230_init_hw;
 427                 rf->set_channel = zd1211b_al2230_set_channel;
 428                 rf->switch_radio_on = zd1211b_al2230_switch_radio_on;
 429         } else {
 430                 rf->init_hw = zd1211_al2230_init_hw;
 431                 rf->set_channel = zd1211_al2230_set_channel;
 432                 rf->switch_radio_on = zd1211_al2230_switch_radio_on;
 433         }
 434         rf->patch_6m_band_edge = zd_rf_generic_patch_6m;
 435         return 0;
 436 }