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         { ZD_CR240, 0x57 }, { ZD_CR9,   0xe0 },
  65 };
  66
  67 static const struct zd_ioreq16 ioreqs_init_al2230s[] = {
  68         { ZD_CR47,   0x1e }, /* MARK_002 */
  69         { ZD_CR106,  0x22 },
  70         { ZD_CR107,  0x2a }, /* MARK_002 */
  71         { ZD_CR109,  0x13 }, /* MARK_002 */
  72         { ZD_CR118,  0xf8 }, /* MARK_002 */
  73         { ZD_CR119,  0x12 }, { ZD_CR122,  0xe0 },
  74         { ZD_CR128,  0x10 }, /* MARK_001 from 0xe->0x10 */
  75         { ZD_CR129,  0x0e }, /* MARK_001 from 0xd->0x0e */
  76         { ZD_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                 { ZD_CR80,  0x30 }, { ZD_CR81,  0x30 }, { ZD_CR79,  0x58 },
  84                 { ZD_CR12,  0xf0 }, { ZD_CR77,  0x1b }, { ZD_CR78,  0x58 },
  85                 { ZD_CR203, 0x06 },
  86                 { },
  87
  88                 { ZD_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, ZD_CR9);
  98                 if (r)
  99                         return r;
 100         }
 101
 102         return zd_iowrite16_locked(chip, 0x06, ZD_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                 { ZD_CR15,   0x20 }, { ZD_CR23,   0x40 }, { ZD_CR24,  0x20 },
 112                 { ZD_CR26,   0x11 }, { ZD_CR28,   0x3e }, { ZD_CR29,  0x00 },
 113                 { ZD_CR44,   0x33 }, { ZD_CR106,  0x2a }, { ZD_CR107, 0x1a },
 114                 { ZD_CR109,  0x09 }, { ZD_CR110,  0x27 }, { ZD_CR111, 0x2b },
 115                 { ZD_CR112,  0x2b }, { ZD_CR119,  0x0a }, { ZD_CR10,  0x89 },
 116                 /* for newest (3rd cut) AL2300 */
 117                 { ZD_CR17,   0x28 },
 118                 { ZD_CR26,   0x93 }, { ZD_CR34,   0x30 },
 119                 /* for newest (3rd cut) AL2300 */
 120                 { ZD_CR35,   0x3e },
 121                 { ZD_CR41,   0x24 }, { ZD_CR44,   0x32 },
 122                 /* for newest (3rd cut) AL2300 */
 123                 { ZD_CR46,   0x96 },
 124                 { ZD_CR47,   0x1e }, { ZD_CR79,   0x58 }, { ZD_CR80,  0x30 },
 125                 { ZD_CR81,   0x30 }, { ZD_CR87,   0x0a }, { ZD_CR89,  0x04 },
 126                 { ZD_CR92,   0x0a }, { ZD_CR99,   0x28 }, { ZD_CR100, 0x00 },
 127                 { ZD_CR101,  0x13 }, { ZD_CR102,  0x27 }, { ZD_CR106, 0x24 },
 128                 { ZD_CR107,  0x2a }, { ZD_CR109,  0x09 }, { ZD_CR110, 0x13 },
 129                 { ZD_CR111,  0x1f }, { ZD_CR112,  0x1f }, { ZD_CR113, 0x27 },
 130                 { ZD_CR114,  0x27 },
 131                 /* for newest (3rd cut) AL2300 */
 132                 { ZD_CR115,  0x24 },
 133                 { ZD_CR116,  0x24 }, { ZD_CR117,  0xf4 }, { ZD_CR118, 0xfc },
 134                 { ZD_CR119,  0x10 }, { ZD_CR120,  0x4f }, { ZD_CR121, 0x77 },
 135                 { ZD_CR122,  0xe0 }, { ZD_CR137,  0x88 }, { ZD_CR252, 0xff },
 136                 { ZD_CR253,  0xff },
 137         };
 138
 139         static const struct zd_ioreq16 ioreqs_pll[] = {
 140                 /* shdnb(PLL_ON)=0 */
 141                 { ZD_CR251,  0x2f },
 142                 /* shdnb(PLL_ON)=1 */
 143                 { ZD_CR251,  0x3f },
 144                 { ZD_CR138,  0x28 }, { ZD_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 (ZD_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                 { ZD_CR10,  0x89 }, { ZD_CR15,  0x20 },
 225                 { ZD_CR17,  0x2B }, /* for newest(3rd cut) AL2230 */
 226                 { ZD_CR23,  0x40 }, { ZD_CR24,  0x20 }, { ZD_CR26,  0x93 },
 227                 { ZD_CR28,  0x3e }, { ZD_CR29,  0x00 },
 228                 { ZD_CR33,  0x28 }, /* 5621 */
 229                 { ZD_CR34,  0x30 },
 230                 { ZD_CR35,  0x3e }, /* for newest(3rd cut) AL2230 */
 231                 { ZD_CR41,  0x24 }, { ZD_CR44,  0x32 },
 232                 { ZD_CR46,  0x99 }, /* for newest(3rd cut) AL2230 */
 233                 { ZD_CR47,  0x1e },
 234
 235                 /* ZD1211B 05.06.10 */
 236                 { ZD_CR48,  0x06 }, { ZD_CR49,  0xf9 }, { ZD_CR51,  0x01 },
 237                 { ZD_CR52,  0x80 }, { ZD_CR53,  0x7e }, { ZD_CR65,  0x00 },
 238                 { ZD_CR66,  0x00 }, { ZD_CR67,  0x00 }, { ZD_CR68,  0x00 },
 239                 { ZD_CR69,  0x28 },
 240
 241                 { ZD_CR79,  0x58 }, { ZD_CR80,  0x30 }, { ZD_CR81,  0x30 },
 242                 { ZD_CR87,  0x0a }, { ZD_CR89,  0x04 },
 243                 { ZD_CR91,  0x00 }, /* 5621 */
 244                 { ZD_CR92,  0x0a },
 245                 { ZD_CR98,  0x8d }, /* 4804,  for 1212 new algorithm */
 246                 { ZD_CR99,  0x00 }, /* 5621 */
 247                 { ZD_CR101, 0x13 }, { ZD_CR102, 0x27 },
 248                 { ZD_CR106, 0x24 }, /* for newest(3rd cut) AL2230 */
 249                 { ZD_CR107, 0x2a },
 250                 { ZD_CR109, 0x13 }, /* 4804, for 1212 new algorithm */
 251                 { ZD_CR110, 0x1f }, /* 4804, for 1212 new algorithm */
 252                 { ZD_CR111, 0x1f }, { ZD_CR112, 0x1f }, { ZD_CR113, 0x27 },
 253                 { ZD_CR114, 0x27 },
 254                 { ZD_CR115, 0x26 }, /* 24->26 at 4902 for newest(3rd cut)
 255                                      * AL2230
 256                                      */
 257                 { ZD_CR116, 0x24 },
 258                 { ZD_CR117, 0xfa }, /* for 1211b */
 259                 { ZD_CR118, 0xfa }, /* for 1211b */
 260                 { ZD_CR119, 0x10 },
 261                 { ZD_CR120, 0x4f },
 262                 { ZD_CR121, 0x6c }, /* for 1211b */
 263                 { ZD_CR122, 0xfc }, /* E0->FC at 4902 */
 264                 { ZD_CR123, 0x57 }, /* 5623 */
 265                 { ZD_CR125, 0xad }, /* 4804, for 1212 new algorithm */
 266                 { ZD_CR126, 0x6c }, /* 5614 */
 267                 { ZD_CR127, 0x03 }, /* 4804, for 1212 new algorithm */
 268                 { ZD_CR137, 0x50 }, /* 5614 */
 269                 { ZD_CR138, 0xa8 },
 270                 { ZD_CR144, 0xac }, /* 5621 */
 271                 { ZD_CR150, 0x0d }, { ZD_CR252, 0x34 }, { ZD_CR253, 0x34 },
 272         };
 273
 274         static const u32 rv1[] = {
 275                 0x8cccd0,
 276                 0x481dc0,
 277                 0xcfff00,
 278                 0x25a000,
 279         };
 280
 281         static const u32 rv2[] = {
 282                 /* To improve AL2230 yield, improve phase noise, 4713 */
 283                 0x25a000,
 284                 0xa3b2f0,
 285
 286                 0x6da010, /* Reg6 update for MP versio */
 287                 0xe36280, /* Modified by jxiao for Bor-Chin on 2004/08/02 */
 288                 0x116000,
 289                 0x9dc020, /* External control TX power (ZD_CR31) */
 290                 0x5ddb00, /* RegA update for MP version */
 291                 0xd99000, /* RegB update for MP version */
 292                 0x3ffbd0, /* RegC update for MP version */
 293                 0xb00000, /* RegD update for MP version */
 294
 295                 /* improve phase noise and remove phase calibration,4713 */
 296                 0xf01a00,
 297         };
 298
 299         static const struct zd_ioreq16 ioreqs2[] = {
 300                 { ZD_CR251, 0x2f }, /* shdnb(PLL_ON)=0 */
 301                 { ZD_CR251, 0x7f }, /* shdnb(PLL_ON)=1 */
 302         };
 303
 304         static const u32 rv3[] = {
 305                 /* To improve AL2230 yield, 4713 */
 306                 0xf01b00,
 307                 0xf01e00,
 308                 0xf01a00,
 309         };
 310
 311         static const struct zd_ioreq16 ioreqs3[] = {
 312                 /* related to 6M band edge patching, happens unconditionally */
 313                 { ZD_CR128, 0x14 }, { ZD_CR129, 0x12 }, { ZD_CR130, 0x10 },
 314         };
 315
 316         r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
 317                 ARRAY_SIZE(zd1211b_ioreqs_shared_1));
 318         if (r)
 319                 return r;
 320         r = zd_iowrite16a_locked(chip, ioreqs1, ARRAY_SIZE(ioreqs1));
 321         if (r)
 322                 return r;
 323
 324         if (IS_AL2230S(chip)) {
 325                 r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
 326                         ARRAY_SIZE(ioreqs_init_al2230s));
 327                 if (r)
 328                         return r;
 329         }
 330
 331         r = zd_rfwritev_cr_locked(chip, zd1211b_al2230_table[0], 3);
 332         if (r)
 333                 return r;
 334         r = zd_rfwritev_cr_locked(chip, rv1, ARRAY_SIZE(rv1));
 335         if (r)
 336                 return r;
 337
 338         if (IS_AL2230S(chip))
 339                 r = zd_rfwrite_locked(chip, 0x241000, RF_RV_BITS);
 340         else
 341                 r = zd_rfwrite_locked(chip, 0x25a000, RF_RV_BITS);
 342         if (r)
 343                 return r;
 344
 345         r = zd_rfwritev_cr_locked(chip, rv2, ARRAY_SIZE(rv2));
 346         if (r)
 347                 return r;
 348         r = zd_iowrite16a_locked(chip, ioreqs2, ARRAY_SIZE(ioreqs2));
 349         if (r)
 350                 return r;
 351         r = zd_rfwritev_cr_locked(chip, rv3, ARRAY_SIZE(rv3));
 352         if (r)
 353                 return r;
 354         r = zd_iowrite16a_locked(chip, ioreqs3, ARRAY_SIZE(ioreqs3));
 355         if (r)
 356                 return r;
 357         return zd1211b_al2230_finalize_rf(chip);
 358 }
 359
 360 static int zd1211_al2230_set_channel(struct zd_rf *rf, u8 channel)
 361 {
 362         int r;
 363         const u32 *rv = zd1211_al2230_table[channel-1];
 364         struct zd_chip *chip = zd_rf_to_chip(rf);
 365         static const struct zd_ioreq16 ioreqs[] = {
 366                 { ZD_CR138, 0x28 },
 367                 { ZD_CR203, 0x06 },
 368         };
 369
 370         r = zd_rfwritev_locked(chip, rv, 3, RF_RV_BITS);
 371         if (r)
 372                 return r;
 373         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 374 }
 375
 376 static int zd1211b_al2230_set_channel(struct zd_rf *rf, u8 channel)
 377 {
 378         int r;
 379         const u32 *rv = zd1211b_al2230_table[channel-1];
 380         struct zd_chip *chip = zd_rf_to_chip(rf);
 381
 382         r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
 383                 ARRAY_SIZE(zd1211b_ioreqs_shared_1));
 384         if (r)
 385                 return r;
 386
 387         r = zd_rfwritev_cr_locked(chip, rv, 3);
 388         if (r)
 389                 return r;
 390
 391         return zd1211b_al2230_finalize_rf(chip);
 392 }
 393
 394 static int zd1211_al2230_switch_radio_on(struct zd_rf *rf)
 395 {
 396         struct zd_chip *chip = zd_rf_to_chip(rf);
 397         static const struct zd_ioreq16 ioreqs[] = {
 398                 { ZD_CR11,  0x00 },
 399                 { ZD_CR251, 0x3f },
 400         };
 401
 402         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 403 }
 404
 405 static int zd1211b_al2230_switch_radio_on(struct zd_rf *rf)
 406 {
 407         struct zd_chip *chip = zd_rf_to_chip(rf);
 408         static const struct zd_ioreq16 ioreqs[] = {
 409                 { ZD_CR11,  0x00 },
 410                 { ZD_CR251, 0x7f },
 411         };
 412
 413         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 414 }
 415
 416 static int al2230_switch_radio_off(struct zd_rf *rf)
 417 {
 418         struct zd_chip *chip = zd_rf_to_chip(rf);
 419         static const struct zd_ioreq16 ioreqs[] = {
 420                 { ZD_CR11,  0x04 },
 421                 { ZD_CR251, 0x2f },
 422         };
 423
 424         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 425 }
 426
 427 int zd_rf_init_al2230(struct zd_rf *rf)
 428 {
 429         struct zd_chip *chip = zd_rf_to_chip(rf);
 430
 431         rf->switch_radio_off = al2230_switch_radio_off;
 432         if (zd_chip_is_zd1211b(chip)) {
 433                 rf->init_hw = zd1211b_al2230_init_hw;
 434                 rf->set_channel = zd1211b_al2230_set_channel;
 435                 rf->switch_radio_on = zd1211b_al2230_switch_radio_on;
 436         } else {
 437                 rf->init_hw = zd1211_al2230_init_hw;
 438                 rf->set_channel = zd1211_al2230_set_channel;
 439                 rf->switch_radio_on = zd1211_al2230_switch_radio_on;
 440         }
 441         rf->patch_6m_band_edge = zd_rf_generic_patch_6m;
 442         rf->patch_cck_gain = 1;
 443         return 0;
 444 }