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, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <linux/kernel.h>
  21
  22 #include "zd_rf.h"
  23 #include "zd_usb.h"
  24 #include "zd_chip.h"
  25
  26 #define IS_AL2230S(chip) ((chip)->al2230s_bit || (chip)->rf.type == AL2230S_RF)
  27
  28 static const u32 zd1211_al2230_table[][3] = {
  29         RF_CHANNEL( 1) = { 0x03f790, 0x033331, 0x00000d, },
  30         RF_CHANNEL( 2) = { 0x03f790, 0x0b3331, 0x00000d, },
  31         RF_CHANNEL( 3) = { 0x03e790, 0x033331, 0x00000d, },
  32         RF_CHANNEL( 4) = { 0x03e790, 0x0b3331, 0x00000d, },
  33         RF_CHANNEL( 5) = { 0x03f7a0, 0x033331, 0x00000d, },
  34         RF_CHANNEL( 6) = { 0x03f7a0, 0x0b3331, 0x00000d, },
  35         RF_CHANNEL( 7) = { 0x03e7a0, 0x033331, 0x00000d, },
  36         RF_CHANNEL( 8) = { 0x03e7a0, 0x0b3331, 0x00000d, },
  37         RF_CHANNEL( 9) = { 0x03f7b0, 0x033331, 0x00000d, },
  38         RF_CHANNEL(10) = { 0x03f7b0, 0x0b3331, 0x00000d, },
  39         RF_CHANNEL(11) = { 0x03e7b0, 0x033331, 0x00000d, },
  40         RF_CHANNEL(12) = { 0x03e7b0, 0x0b3331, 0x00000d, },
  41         RF_CHANNEL(13) = { 0x03f7c0, 0x033331, 0x00000d, },
  42         RF_CHANNEL(14) = { 0x03e7c0, 0x066661, 0x00000d, },
  43 };
  44
  45 static const u32 zd1211b_al2230_table[][3] = {
  46         RF_CHANNEL( 1) = { 0x09efc0, 0x8cccc0, 0xb00000, },
  47         RF_CHANNEL( 2) = { 0x09efc0, 0x8cccd0, 0xb00000, },
  48         RF_CHANNEL( 3) = { 0x09e7c0, 0x8cccc0, 0xb00000, },
  49         RF_CHANNEL( 4) = { 0x09e7c0, 0x8cccd0, 0xb00000, },
  50         RF_CHANNEL( 5) = { 0x05efc0, 0x8cccc0, 0xb00000, },
  51         RF_CHANNEL( 6) = { 0x05efc0, 0x8cccd0, 0xb00000, },
  52         RF_CHANNEL( 7) = { 0x05e7c0, 0x8cccc0, 0xb00000, },
  53         RF_CHANNEL( 8) = { 0x05e7c0, 0x8cccd0, 0xb00000, },
  54         RF_CHANNEL( 9) = { 0x0defc0, 0x8cccc0, 0xb00000, },
  55         RF_CHANNEL(10) = { 0x0defc0, 0x8cccd0, 0xb00000, },
  56         RF_CHANNEL(11) = { 0x0de7c0, 0x8cccc0, 0xb00000, },
  57         RF_CHANNEL(12) = { 0x0de7c0, 0x8cccd0, 0xb00000, },
  58         RF_CHANNEL(13) = { 0x03efc0, 0x8cccc0, 0xb00000, },
  59         RF_CHANNEL(14) = { 0x03e7c0, 0x866660, 0xb00000, },
  60 };
  61
  62 static const struct zd_ioreq16 zd1211b_ioreqs_shared_1[] = {
  63         { ZD_CR240, 0x57 }, { ZD_CR9,   0xe0 },
  64 };
  65
  66 static const struct zd_ioreq16 ioreqs_init_al2230s[] = {
  67         { ZD_CR47,   0x1e }, /* MARK_002 */
  68         { ZD_CR106,  0x22 },
  69         { ZD_CR107,  0x2a }, /* MARK_002 */
  70         { ZD_CR109,  0x13 }, /* MARK_002 */
  71         { ZD_CR118,  0xf8 }, /* MARK_002 */
  72         { ZD_CR119,  0x12 }, { ZD_CR122,  0xe0 },
  73         { ZD_CR128,  0x10 }, /* MARK_001 from 0xe->0x10 */
  74         { ZD_CR129,  0x0e }, /* MARK_001 from 0xd->0x0e */
  75         { ZD_CR130,  0x10 }, /* MARK_001 from 0xb->0x0d */
  76 };
  77
  78 static int zd1211b_al2230_finalize_rf(struct zd_chip *chip)
  79 {
  80         int r;
  81         static const struct zd_ioreq16 ioreqs[] = {
  82                 { ZD_CR80,  0x30 }, { ZD_CR81,  0x30 }, { ZD_CR79,  0x58 },
  83                 { ZD_CR12,  0xf0 }, { ZD_CR77,  0x1b }, { ZD_CR78,  0x58 },
  84                 { ZD_CR203, 0x06 },
  85                 { },
  86
  87                 { ZD_CR240, 0x80 },
  88         };
  89
  90         r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
  91         if (r)
  92                 return r;
  93
  94         /* related to antenna selection? */
  95         if (chip->new_phy_layout) {
  96                 r = zd_iowrite16_locked(chip, 0xe1, ZD_CR9);
  97                 if (r)
  98                         return r;
  99         }
 100
 101         return zd_iowrite16_locked(chip, 0x06, ZD_CR203);
 102 }
 103
 104 static int zd1211_al2230_init_hw(struct zd_rf *rf)
 105 {
 106         int r;
 107         struct zd_chip *chip = zd_rf_to_chip(rf);
 108
 109         static const struct zd_ioreq16 ioreqs_init[] = {
 110                 { ZD_CR15,   0x20 }, { ZD_CR23,   0x40 }, { ZD_CR24,  0x20 },
 111                 { ZD_CR26,   0x11 }, { ZD_CR28,   0x3e }, { ZD_CR29,  0x00 },
 112                 { ZD_CR44,   0x33 }, { ZD_CR106,  0x2a }, { ZD_CR107, 0x1a },
 113                 { ZD_CR109,  0x09 }, { ZD_CR110,  0x27 }, { ZD_CR111, 0x2b },
 114                 { ZD_CR112,  0x2b }, { ZD_CR119,  0x0a }, { ZD_CR10,  0x89 },
 115                 /* for newest (3rd cut) AL2300 */
 116                 { ZD_CR17,   0x28 },
 117                 { ZD_CR26,   0x93 }, { ZD_CR34,   0x30 },
 118                 /* for newest (3rd cut) AL2300 */
 119                 { ZD_CR35,   0x3e },
 120                 { ZD_CR41,   0x24 }, { ZD_CR44,   0x32 },
 121                 /* for newest (3rd cut) AL2300 */
 122                 { ZD_CR46,   0x96 },
 123                 { ZD_CR47,   0x1e }, { ZD_CR79,   0x58 }, { ZD_CR80,  0x30 },
 124                 { ZD_CR81,   0x30 }, { ZD_CR87,   0x0a }, { ZD_CR89,  0x04 },
 125                 { ZD_CR92,   0x0a }, { ZD_CR99,   0x28 }, { ZD_CR100, 0x00 },
 126                 { ZD_CR101,  0x13 }, { ZD_CR102,  0x27 }, { ZD_CR106, 0x24 },
 127                 { ZD_CR107,  0x2a }, { ZD_CR109,  0x09 }, { ZD_CR110, 0x13 },
 128                 { ZD_CR111,  0x1f }, { ZD_CR112,  0x1f }, { ZD_CR113, 0x27 },
 129                 { ZD_CR114,  0x27 },
 130                 /* for newest (3rd cut) AL2300 */
 131                 { ZD_CR115,  0x24 },
 132                 { ZD_CR116,  0x24 }, { ZD_CR117,  0xf4 }, { ZD_CR118, 0xfc },
 133                 { ZD_CR119,  0x10 }, { ZD_CR120,  0x4f }, { ZD_CR121, 0x77 },
 134                 { ZD_CR122,  0xe0 }, { ZD_CR137,  0x88 }, { ZD_CR252, 0xff },
 135                 { ZD_CR253,  0xff },
 136         };
 137
 138         static const struct zd_ioreq16 ioreqs_pll[] = {
 139                 /* shdnb(PLL_ON)=0 */
 140                 { ZD_CR251,  0x2f },
 141                 /* shdnb(PLL_ON)=1 */
 142                 { ZD_CR251,  0x3f },
 143                 { ZD_CR138,  0x28 }, { ZD_CR203,  0x06 },
 144         };
 145
 146         static const u32 rv1[] = {
 147                 /* Channel 1 */
 148                 0x03f790,
 149                 0x033331,
 150                 0x00000d,
 151
 152                 0x0b3331,
 153                 0x03b812,
 154                 0x00fff3,
 155         };
 156
 157         static const u32 rv2[] = {
 158                 0x000da4,
 159                 0x0f4dc5, /* fix freq shift, 0x04edc5 */
 160                 0x0805b6,
 161                 0x011687,
 162                 0x000688,
 163                 0x0403b9, /* external control TX power (ZD_CR31) */
 164                 0x00dbba,
 165                 0x00099b,
 166                 0x0bdffc,
 167                 0x00000d,
 168                 0x00500f,
 169         };
 170
 171         static const u32 rv3[] = {
 172                 0x00d00f,
 173                 0x004c0f,
 174                 0x00540f,
 175                 0x00700f,
 176                 0x00500f,
 177         };
 178
 179         r = zd_iowrite16a_locked(chip, ioreqs_init, ARRAY_SIZE(ioreqs_init));
 180         if (r)
 181                 return r;
 182
 183         if (IS_AL2230S(chip)) {
 184                 r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
 185                         ARRAY_SIZE(ioreqs_init_al2230s));
 186                 if (r)
 187                         return r;
 188         }
 189
 190         r = zd_rfwritev_locked(chip, rv1, ARRAY_SIZE(rv1), RF_RV_BITS);
 191         if (r)
 192                 return r;
 193
 194         /* improve band edge for AL2230S */
 195         if (IS_AL2230S(chip))
 196                 r = zd_rfwrite_locked(chip, 0x000824, RF_RV_BITS);
 197         else
 198                 r = zd_rfwrite_locked(chip, 0x0005a4, RF_RV_BITS);
 199         if (r)
 200                 return r;
 201
 202         r = zd_rfwritev_locked(chip, rv2, ARRAY_SIZE(rv2), RF_RV_BITS);
 203         if (r)
 204                 return r;
 205
 206         r = zd_iowrite16a_locked(chip, ioreqs_pll, ARRAY_SIZE(ioreqs_pll));
 207         if (r)
 208                 return r;
 209
 210         r = zd_rfwritev_locked(chip, rv3, ARRAY_SIZE(rv3), RF_RV_BITS);
 211         if (r)
 212                 return r;
 213
 214         return 0;
 215 }
 216
 217 static int zd1211b_al2230_init_hw(struct zd_rf *rf)
 218 {
 219         int r;
 220         struct zd_chip *chip = zd_rf_to_chip(rf);
 221
 222         static const struct zd_ioreq16 ioreqs1[] = {
 223                 { ZD_CR10,  0x89 }, { ZD_CR15,  0x20 },
 224                 { ZD_CR17,  0x2B }, /* for newest(3rd cut) AL2230 */
 225                 { ZD_CR23,  0x40 }, { ZD_CR24,  0x20 }, { ZD_CR26,  0x93 },
 226                 { ZD_CR28,  0x3e }, { ZD_CR29,  0x00 },
 227                 { ZD_CR33,  0x28 }, /* 5621 */
 228                 { ZD_CR34,  0x30 },
 229                 { ZD_CR35,  0x3e }, /* for newest(3rd cut) AL2230 */
 230                 { ZD_CR41,  0x24 }, { ZD_CR44,  0x32 },
 231                 { ZD_CR46,  0x99 }, /* for newest(3rd cut) AL2230 */
 232                 { ZD_CR47,  0x1e },
 233
 234                 /* ZD1211B 05.06.10 */
 235                 { ZD_CR48,  0x06 }, { ZD_CR49,  0xf9 }, { ZD_CR51,  0x01 },
 236                 { ZD_CR52,  0x80 }, { ZD_CR53,  0x7e }, { ZD_CR65,  0x00 },
 237                 { ZD_CR66,  0x00 }, { ZD_CR67,  0x00 }, { ZD_CR68,  0x00 },
 238                 { ZD_CR69,  0x28 },
 239
 240                 { ZD_CR79,  0x58 }, { ZD_CR80,  0x30 }, { ZD_CR81,  0x30 },
 241                 { ZD_CR87,  0x0a }, { ZD_CR89,  0x04 },
 242                 { ZD_CR91,  0x00 }, /* 5621 */
 243                 { ZD_CR92,  0x0a },
 244                 { ZD_CR98,  0x8d }, /* 4804,  for 1212 new algorithm */
 245                 { ZD_CR99,  0x00 }, /* 5621 */
 246                 { ZD_CR101, 0x13 }, { ZD_CR102, 0x27 },
 247                 { ZD_CR106, 0x24 }, /* for newest(3rd cut) AL2230 */
 248                 { ZD_CR107, 0x2a },
 249                 { ZD_CR109, 0x13 }, /* 4804, for 1212 new algorithm */
 250                 { ZD_CR110, 0x1f }, /* 4804, for 1212 new algorithm */
 251                 { ZD_CR111, 0x1f }, { ZD_CR112, 0x1f }, { ZD_CR113, 0x27 },
 252                 { ZD_CR114, 0x27 },
 253                 { ZD_CR115, 0x26 }, /* 24->26 at 4902 for newest(3rd cut)
 254                                      * AL2230
 255                                      */
 256                 { ZD_CR116, 0x24 },
 257                 { ZD_CR117, 0xfa }, /* for 1211b */
 258                 { ZD_CR118, 0xfa }, /* for 1211b */
 259                 { ZD_CR119, 0x10 },
 260                 { ZD_CR120, 0x4f },
 261                 { ZD_CR121, 0x6c }, /* for 1211b */
 262                 { ZD_CR122, 0xfc }, /* E0->FC at 4902 */
 263                 { ZD_CR123, 0x57 }, /* 5623 */
 264                 { ZD_CR125, 0xad }, /* 4804, for 1212 new algorithm */
 265                 { ZD_CR126, 0x6c }, /* 5614 */
 266                 { ZD_CR127, 0x03 }, /* 4804, for 1212 new algorithm */
 267                 { ZD_CR137, 0x50 }, /* 5614 */
 268                 { ZD_CR138, 0xa8 },
 269                 { ZD_CR144, 0xac }, /* 5621 */
 270                 { ZD_CR150, 0x0d }, { ZD_CR252, 0x34 }, { ZD_CR253, 0x34 },
 271         };
 272
 273         static const u32 rv1[] = {
 274                 0x8cccd0,
 275                 0x481dc0,
 276                 0xcfff00,
 277                 0x25a000,
 278         };
 279
 280         static const u32 rv2[] = {
 281                 /* To improve AL2230 yield, improve phase noise, 4713 */
 282                 0x25a000,
 283                 0xa3b2f0,
 284
 285                 0x6da010, /* Reg6 update for MP versio */
 286                 0xe36280, /* Modified by jxiao for Bor-Chin on 2004/08/02 */
 287                 0x116000,
 288                 0x9dc020, /* External control TX power (ZD_CR31) */
 289                 0x5ddb00, /* RegA update for MP version */
 290                 0xd99000, /* RegB update for MP version */
 291                 0x3ffbd0, /* RegC update for MP version */
 292                 0xb00000, /* RegD update for MP version */
 293
 294                 /* improve phase noise and remove phase calibration,4713 */
 295                 0xf01a00,
 296         };
 297
 298         static const struct zd_ioreq16 ioreqs2[] = {
 299                 { ZD_CR251, 0x2f }, /* shdnb(PLL_ON)=0 */
 300                 { ZD_CR251, 0x7f }, /* shdnb(PLL_ON)=1 */
 301         };
 302
 303         static const u32 rv3[] = {
 304                 /* To improve AL2230 yield, 4713 */
 305                 0xf01b00,
 306                 0xf01e00,
 307                 0xf01a00,
 308         };
 309
 310         static const struct zd_ioreq16 ioreqs3[] = {
 311                 /* related to 6M band edge patching, happens unconditionally */
 312                 { ZD_CR128, 0x14 }, { ZD_CR129, 0x12 }, { ZD_CR130, 0x10 },
 313         };
 314
 315         r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
 316                 ARRAY_SIZE(zd1211b_ioreqs_shared_1));
 317         if (r)
 318                 return r;
 319         r = zd_iowrite16a_locked(chip, ioreqs1, ARRAY_SIZE(ioreqs1));
 320         if (r)
 321                 return r;
 322
 323         if (IS_AL2230S(chip)) {
 324                 r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
 325                         ARRAY_SIZE(ioreqs_init_al2230s));
 326                 if (r)
 327                         return r;
 328         }
 329
 330         r = zd_rfwritev_cr_locked(chip, zd1211b_al2230_table[0], 3);
 331         if (r)
 332                 return r;
 333         r = zd_rfwritev_cr_locked(chip, rv1, ARRAY_SIZE(rv1));
 334         if (r)
 335                 return r;
 336
 337         if (IS_AL2230S(chip))
 338                 r = zd_rfwrite_locked(chip, 0x241000, RF_RV_BITS);
 339         else
 340                 r = zd_rfwrite_locked(chip, 0x25a000, RF_RV_BITS);
 341         if (r)
 342                 return r;
 343
 344         r = zd_rfwritev_cr_locked(chip, rv2, ARRAY_SIZE(rv2));
 345         if (r)
 346                 return r;
 347         r = zd_iowrite16a_locked(chip, ioreqs2, ARRAY_SIZE(ioreqs2));
 348         if (r)
 349                 return r;
 350         r = zd_rfwritev_cr_locked(chip, rv3, ARRAY_SIZE(rv3));
 351         if (r)
 352                 return r;
 353         r = zd_iowrite16a_locked(chip, ioreqs3, ARRAY_SIZE(ioreqs3));
 354         if (r)
 355                 return r;
 356         return zd1211b_al2230_finalize_rf(chip);
 357 }
 358
 359 static int zd1211_al2230_set_channel(struct zd_rf *rf, u8 channel)
 360 {
 361         int r;
 362         const u32 *rv = zd1211_al2230_table[channel-1];
 363         struct zd_chip *chip = zd_rf_to_chip(rf);
 364         static const struct zd_ioreq16 ioreqs[] = {
 365                 { ZD_CR138, 0x28 },
 366                 { ZD_CR203, 0x06 },
 367         };
 368
 369         r = zd_rfwritev_locked(chip, rv, 3, RF_RV_BITS);
 370         if (r)
 371                 return r;
 372         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 373 }
 374
 375 static int zd1211b_al2230_set_channel(struct zd_rf *rf, u8 channel)
 376 {
 377         int r;
 378         const u32 *rv = zd1211b_al2230_table[channel-1];
 379         struct zd_chip *chip = zd_rf_to_chip(rf);
 380
 381         r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
 382                 ARRAY_SIZE(zd1211b_ioreqs_shared_1));
 383         if (r)
 384                 return r;
 385
 386         r = zd_rfwritev_cr_locked(chip, rv, 3);
 387         if (r)
 388                 return r;
 389
 390         return zd1211b_al2230_finalize_rf(chip);
 391 }
 392
 393 static int zd1211_al2230_switch_radio_on(struct zd_rf *rf)
 394 {
 395         struct zd_chip *chip = zd_rf_to_chip(rf);
 396         static const struct zd_ioreq16 ioreqs[] = {
 397                 { ZD_CR11,  0x00 },
 398                 { ZD_CR251, 0x3f },
 399         };
 400
 401         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 402 }
 403
 404 static int zd1211b_al2230_switch_radio_on(struct zd_rf *rf)
 405 {
 406         struct zd_chip *chip = zd_rf_to_chip(rf);
 407         static const struct zd_ioreq16 ioreqs[] = {
 408                 { ZD_CR11,  0x00 },
 409                 { ZD_CR251, 0x7f },
 410         };
 411
 412         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 413 }
 414
 415 static int al2230_switch_radio_off(struct zd_rf *rf)
 416 {
 417         struct zd_chip *chip = zd_rf_to_chip(rf);
 418         static const struct zd_ioreq16 ioreqs[] = {
 419                 { ZD_CR11,  0x04 },
 420                 { ZD_CR251, 0x2f },
 421         };
 422
 423         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 424 }
 425
 426 int zd_rf_init_al2230(struct zd_rf *rf)
 427 {
 428         struct zd_chip *chip = zd_rf_to_chip(rf);
 429
 430         rf->switch_radio_off = al2230_switch_radio_off;
 431         if (zd_chip_is_zd1211b(chip)) {
 432                 rf->init_hw = zd1211b_al2230_init_hw;
 433                 rf->set_channel = zd1211b_al2230_set_channel;
 434                 rf->switch_radio_on = zd1211b_al2230_switch_radio_on;
 435         } else {
 436                 rf->init_hw = zd1211_al2230_init_hw;
 437                 rf->set_channel = zd1211_al2230_set_channel;
 438                 rf->switch_radio_on = zd1211_al2230_switch_radio_on;
 439         }
 440         rf->patch_6m_band_edge = zd_rf_generic_patch_6m;
 441         rf->patch_cck_gain = 1;
 442         return 0;
 443 }