drivers/net/wireless/zydas/zd1211rw/zd_rf_al2230.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /* ZD1211 USB-WLAN driver for Linux
   3  *
   4  * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
   5  * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
   6  */
   7
   8 #include <linux/kernel.h>
   9
  10 #include "zd_rf.h"
  11 #include "zd_usb.h"
  12 #include "zd_chip.h"
  13
  14 #define IS_AL2230S(chip) ((chip)->al2230s_bit || (chip)->rf.type == AL2230S_RF)
  15
  16 static const u32 zd1211_al2230_table[][3] = {
  17         RF_CHANNEL( 1) = { 0x03f790, 0x033331, 0x00000d, },
  18         RF_CHANNEL( 2) = { 0x03f790, 0x0b3331, 0x00000d, },
  19         RF_CHANNEL( 3) = { 0x03e790, 0x033331, 0x00000d, },
  20         RF_CHANNEL( 4) = { 0x03e790, 0x0b3331, 0x00000d, },
  21         RF_CHANNEL( 5) = { 0x03f7a0, 0x033331, 0x00000d, },
  22         RF_CHANNEL( 6) = { 0x03f7a0, 0x0b3331, 0x00000d, },
  23         RF_CHANNEL( 7) = { 0x03e7a0, 0x033331, 0x00000d, },
  24         RF_CHANNEL( 8) = { 0x03e7a0, 0x0b3331, 0x00000d, },
  25         RF_CHANNEL( 9) = { 0x03f7b0, 0x033331, 0x00000d, },
  26         RF_CHANNEL(10) = { 0x03f7b0, 0x0b3331, 0x00000d, },
  27         RF_CHANNEL(11) = { 0x03e7b0, 0x033331, 0x00000d, },
  28         RF_CHANNEL(12) = { 0x03e7b0, 0x0b3331, 0x00000d, },
  29         RF_CHANNEL(13) = { 0x03f7c0, 0x033331, 0x00000d, },
  30         RF_CHANNEL(14) = { 0x03e7c0, 0x066661, 0x00000d, },
  31 };
  32
  33 static const u32 zd1211b_al2230_table[][3] = {
  34         RF_CHANNEL( 1) = { 0x09efc0, 0x8cccc0, 0xb00000, },
  35         RF_CHANNEL( 2) = { 0x09efc0, 0x8cccd0, 0xb00000, },
  36         RF_CHANNEL( 3) = { 0x09e7c0, 0x8cccc0, 0xb00000, },
  37         RF_CHANNEL( 4) = { 0x09e7c0, 0x8cccd0, 0xb00000, },
  38         RF_CHANNEL( 5) = { 0x05efc0, 0x8cccc0, 0xb00000, },
  39         RF_CHANNEL( 6) = { 0x05efc0, 0x8cccd0, 0xb00000, },
  40         RF_CHANNEL( 7) = { 0x05e7c0, 0x8cccc0, 0xb00000, },
  41         RF_CHANNEL( 8) = { 0x05e7c0, 0x8cccd0, 0xb00000, },
  42         RF_CHANNEL( 9) = { 0x0defc0, 0x8cccc0, 0xb00000, },
  43         RF_CHANNEL(10) = { 0x0defc0, 0x8cccd0, 0xb00000, },
  44         RF_CHANNEL(11) = { 0x0de7c0, 0x8cccc0, 0xb00000, },
  45         RF_CHANNEL(12) = { 0x0de7c0, 0x8cccd0, 0xb00000, },
  46         RF_CHANNEL(13) = { 0x03efc0, 0x8cccc0, 0xb00000, },
  47         RF_CHANNEL(14) = { 0x03e7c0, 0x866660, 0xb00000, },
  48 };
  49
  50 static const struct zd_ioreq16 zd1211b_ioreqs_shared_1[] = {
  51         { ZD_CR240, 0x57 }, { ZD_CR9,   0xe0 },
  52 };
  53
  54 static const struct zd_ioreq16 ioreqs_init_al2230s[] = {
  55         { ZD_CR47,   0x1e }, /* MARK_002 */
  56         { ZD_CR106,  0x22 },
  57         { ZD_CR107,  0x2a }, /* MARK_002 */
  58         { ZD_CR109,  0x13 }, /* MARK_002 */
  59         { ZD_CR118,  0xf8 }, /* MARK_002 */
  60         { ZD_CR119,  0x12 }, { ZD_CR122,  0xe0 },
  61         { ZD_CR128,  0x10 }, /* MARK_001 from 0xe->0x10 */
  62         { ZD_CR129,  0x0e }, /* MARK_001 from 0xd->0x0e */
  63         { ZD_CR130,  0x10 }, /* MARK_001 from 0xb->0x0d */
  64 };
  65
  66 static int zd1211b_al2230_finalize_rf(struct zd_chip *chip)
  67 {
  68         int r;
  69         static const struct zd_ioreq16 ioreqs[] = {
  70                 { ZD_CR80,  0x30 }, { ZD_CR81,  0x30 }, { ZD_CR79,  0x58 },
  71                 { ZD_CR12,  0xf0 }, { ZD_CR77,  0x1b }, { ZD_CR78,  0x58 },
  72                 { ZD_CR203, 0x06 },
  73                 { },
  74
  75                 { ZD_CR240, 0x80 },
  76         };
  77
  78         r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
  79         if (r)
  80                 return r;
  81
  82         /* related to antenna selection? */
  83         if (chip->new_phy_layout) {
  84                 r = zd_iowrite16_locked(chip, 0xe1, ZD_CR9);
  85                 if (r)
  86                         return r;
  87         }
  88
  89         return zd_iowrite16_locked(chip, 0x06, ZD_CR203);
  90 }
  91
  92 static int zd1211_al2230_init_hw(struct zd_rf *rf)
  93 {
  94         int r;
  95         struct zd_chip *chip = zd_rf_to_chip(rf);
  96
  97         static const struct zd_ioreq16 ioreqs_init[] = {
  98                 { ZD_CR15,   0x20 }, { ZD_CR23,   0x40 }, { ZD_CR24,  0x20 },
  99                 { ZD_CR26,   0x11 }, { ZD_CR28,   0x3e }, { ZD_CR29,  0x00 },
 100                 { ZD_CR44,   0x33 }, { ZD_CR106,  0x2a }, { ZD_CR107, 0x1a },
 101                 { ZD_CR109,  0x09 }, { ZD_CR110,  0x27 }, { ZD_CR111, 0x2b },
 102                 { ZD_CR112,  0x2b }, { ZD_CR119,  0x0a }, { ZD_CR10,  0x89 },
 103                 /* for newest (3rd cut) AL2300 */
 104                 { ZD_CR17,   0x28 },
 105                 { ZD_CR26,   0x93 }, { ZD_CR34,   0x30 },
 106                 /* for newest (3rd cut) AL2300 */
 107                 { ZD_CR35,   0x3e },
 108                 { ZD_CR41,   0x24 }, { ZD_CR44,   0x32 },
 109                 /* for newest (3rd cut) AL2300 */
 110                 { ZD_CR46,   0x96 },
 111                 { ZD_CR47,   0x1e }, { ZD_CR79,   0x58 }, { ZD_CR80,  0x30 },
 112                 { ZD_CR81,   0x30 }, { ZD_CR87,   0x0a }, { ZD_CR89,  0x04 },
 113                 { ZD_CR92,   0x0a }, { ZD_CR99,   0x28 }, { ZD_CR100, 0x00 },
 114                 { ZD_CR101,  0x13 }, { ZD_CR102,  0x27 }, { ZD_CR106, 0x24 },
 115                 { ZD_CR107,  0x2a }, { ZD_CR109,  0x09 }, { ZD_CR110, 0x13 },
 116                 { ZD_CR111,  0x1f }, { ZD_CR112,  0x1f }, { ZD_CR113, 0x27 },
 117                 { ZD_CR114,  0x27 },
 118                 /* for newest (3rd cut) AL2300 */
 119                 { ZD_CR115,  0x24 },
 120                 { ZD_CR116,  0x24 }, { ZD_CR117,  0xf4 }, { ZD_CR118, 0xfc },
 121                 { ZD_CR119,  0x10 }, { ZD_CR120,  0x4f }, { ZD_CR121, 0x77 },
 122                 { ZD_CR122,  0xe0 }, { ZD_CR137,  0x88 }, { ZD_CR252, 0xff },
 123                 { ZD_CR253,  0xff },
 124         };
 125
 126         static const struct zd_ioreq16 ioreqs_pll[] = {
 127                 /* shdnb(PLL_ON)=0 */
 128                 { ZD_CR251,  0x2f },
 129                 /* shdnb(PLL_ON)=1 */
 130                 { ZD_CR251,  0x3f },
 131                 { ZD_CR138,  0x28 }, { ZD_CR203,  0x06 },
 132         };
 133
 134         static const u32 rv1[] = {
 135                 /* Channel 1 */
 136                 0x03f790,
 137                 0x033331,
 138                 0x00000d,
 139
 140                 0x0b3331,
 141                 0x03b812,
 142                 0x00fff3,
 143         };
 144
 145         static const u32 rv2[] = {
 146                 0x000da4,
 147                 0x0f4dc5, /* fix freq shift, 0x04edc5 */
 148                 0x0805b6,
 149                 0x011687,
 150                 0x000688,
 151                 0x0403b9, /* external control TX power (ZD_CR31) */
 152                 0x00dbba,
 153                 0x00099b,
 154                 0x0bdffc,
 155                 0x00000d,
 156                 0x00500f,
 157         };
 158
 159         static const u32 rv3[] = {
 160                 0x00d00f,
 161                 0x004c0f,
 162                 0x00540f,
 163                 0x00700f,
 164                 0x00500f,
 165         };
 166
 167         r = zd_iowrite16a_locked(chip, ioreqs_init, ARRAY_SIZE(ioreqs_init));
 168         if (r)
 169                 return r;
 170
 171         if (IS_AL2230S(chip)) {
 172                 r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
 173                         ARRAY_SIZE(ioreqs_init_al2230s));
 174                 if (r)
 175                         return r;
 176         }
 177
 178         r = zd_rfwritev_locked(chip, rv1, ARRAY_SIZE(rv1), RF_RV_BITS);
 179         if (r)
 180                 return r;
 181
 182         /* improve band edge for AL2230S */
 183         if (IS_AL2230S(chip))
 184                 r = zd_rfwrite_locked(chip, 0x000824, RF_RV_BITS);
 185         else
 186                 r = zd_rfwrite_locked(chip, 0x0005a4, RF_RV_BITS);
 187         if (r)
 188                 return r;
 189
 190         r = zd_rfwritev_locked(chip, rv2, ARRAY_SIZE(rv2), RF_RV_BITS);
 191         if (r)
 192                 return r;
 193
 194         r = zd_iowrite16a_locked(chip, ioreqs_pll, ARRAY_SIZE(ioreqs_pll));
 195         if (r)
 196                 return r;
 197
 198         r = zd_rfwritev_locked(chip, rv3, ARRAY_SIZE(rv3), RF_RV_BITS);
 199         if (r)
 200                 return r;
 201
 202         return 0;
 203 }
 204
 205 static int zd1211b_al2230_init_hw(struct zd_rf *rf)
 206 {
 207         int r;
 208         struct zd_chip *chip = zd_rf_to_chip(rf);
 209
 210         static const struct zd_ioreq16 ioreqs1[] = {
 211                 { ZD_CR10,  0x89 }, { ZD_CR15,  0x20 },
 212                 { ZD_CR17,  0x2B }, /* for newest(3rd cut) AL2230 */
 213                 { ZD_CR23,  0x40 }, { ZD_CR24,  0x20 }, { ZD_CR26,  0x93 },
 214                 { ZD_CR28,  0x3e }, { ZD_CR29,  0x00 },
 215                 { ZD_CR33,  0x28 }, /* 5621 */
 216                 { ZD_CR34,  0x30 },
 217                 { ZD_CR35,  0x3e }, /* for newest(3rd cut) AL2230 */
 218                 { ZD_CR41,  0x24 }, { ZD_CR44,  0x32 },
 219                 { ZD_CR46,  0x99 }, /* for newest(3rd cut) AL2230 */
 220                 { ZD_CR47,  0x1e },
 221
 222                 /* ZD1211B 05.06.10 */
 223                 { ZD_CR48,  0x06 }, { ZD_CR49,  0xf9 }, { ZD_CR51,  0x01 },
 224                 { ZD_CR52,  0x80 }, { ZD_CR53,  0x7e }, { ZD_CR65,  0x00 },
 225                 { ZD_CR66,  0x00 }, { ZD_CR67,  0x00 }, { ZD_CR68,  0x00 },
 226                 { ZD_CR69,  0x28 },
 227
 228                 { ZD_CR79,  0x58 }, { ZD_CR80,  0x30 }, { ZD_CR81,  0x30 },
 229                 { ZD_CR87,  0x0a }, { ZD_CR89,  0x04 },
 230                 { ZD_CR91,  0x00 }, /* 5621 */
 231                 { ZD_CR92,  0x0a },
 232                 { ZD_CR98,  0x8d }, /* 4804,  for 1212 new algorithm */
 233                 { ZD_CR99,  0x00 }, /* 5621 */
 234                 { ZD_CR101, 0x13 }, { ZD_CR102, 0x27 },
 235                 { ZD_CR106, 0x24 }, /* for newest(3rd cut) AL2230 */
 236                 { ZD_CR107, 0x2a },
 237                 { ZD_CR109, 0x13 }, /* 4804, for 1212 new algorithm */
 238                 { ZD_CR110, 0x1f }, /* 4804, for 1212 new algorithm */
 239                 { ZD_CR111, 0x1f }, { ZD_CR112, 0x1f }, { ZD_CR113, 0x27 },
 240                 { ZD_CR114, 0x27 },
 241                 { ZD_CR115, 0x26 }, /* 24->26 at 4902 for newest(3rd cut)
 242                                      * AL2230
 243                                      */
 244                 { ZD_CR116, 0x24 },
 245                 { ZD_CR117, 0xfa }, /* for 1211b */
 246                 { ZD_CR118, 0xfa }, /* for 1211b */
 247                 { ZD_CR119, 0x10 },
 248                 { ZD_CR120, 0x4f },
 249                 { ZD_CR121, 0x6c }, /* for 1211b */
 250                 { ZD_CR122, 0xfc }, /* E0->FC at 4902 */
 251                 { ZD_CR123, 0x57 }, /* 5623 */
 252                 { ZD_CR125, 0xad }, /* 4804, for 1212 new algorithm */
 253                 { ZD_CR126, 0x6c }, /* 5614 */
 254                 { ZD_CR127, 0x03 }, /* 4804, for 1212 new algorithm */
 255                 { ZD_CR137, 0x50 }, /* 5614 */
 256                 { ZD_CR138, 0xa8 },
 257                 { ZD_CR144, 0xac }, /* 5621 */
 258                 { ZD_CR150, 0x0d }, { ZD_CR252, 0x34 }, { ZD_CR253, 0x34 },
 259         };
 260
 261         static const u32 rv1[] = {
 262                 0x8cccd0,
 263                 0x481dc0,
 264                 0xcfff00,
 265                 0x25a000,
 266         };
 267
 268         static const u32 rv2[] = {
 269                 /* To improve AL2230 yield, improve phase noise, 4713 */
 270                 0x25a000,
 271                 0xa3b2f0,
 272
 273                 0x6da010, /* Reg6 update for MP versio */
 274                 0xe36280, /* Modified by jxiao for Bor-Chin on 2004/08/02 */
 275                 0x116000,
 276                 0x9dc020, /* External control TX power (ZD_CR31) */
 277                 0x5ddb00, /* RegA update for MP version */
 278                 0xd99000, /* RegB update for MP version */
 279                 0x3ffbd0, /* RegC update for MP version */
 280                 0xb00000, /* RegD update for MP version */
 281
 282                 /* improve phase noise and remove phase calibration,4713 */
 283                 0xf01a00,
 284         };
 285
 286         static const struct zd_ioreq16 ioreqs2[] = {
 287                 { ZD_CR251, 0x2f }, /* shdnb(PLL_ON)=0 */
 288                 { ZD_CR251, 0x7f }, /* shdnb(PLL_ON)=1 */
 289         };
 290
 291         static const u32 rv3[] = {
 292                 /* To improve AL2230 yield, 4713 */
 293                 0xf01b00,
 294                 0xf01e00,
 295                 0xf01a00,
 296         };
 297
 298         static const struct zd_ioreq16 ioreqs3[] = {
 299                 /* related to 6M band edge patching, happens unconditionally */
 300                 { ZD_CR128, 0x14 }, { ZD_CR129, 0x12 }, { ZD_CR130, 0x10 },
 301         };
 302
 303         r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
 304                 ARRAY_SIZE(zd1211b_ioreqs_shared_1));
 305         if (r)
 306                 return r;
 307         r = zd_iowrite16a_locked(chip, ioreqs1, ARRAY_SIZE(ioreqs1));
 308         if (r)
 309                 return r;
 310
 311         if (IS_AL2230S(chip)) {
 312                 r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
 313                         ARRAY_SIZE(ioreqs_init_al2230s));
 314                 if (r)
 315                         return r;
 316         }
 317
 318         r = zd_rfwritev_cr_locked(chip, zd1211b_al2230_table[0], 3);
 319         if (r)
 320                 return r;
 321         r = zd_rfwritev_cr_locked(chip, rv1, ARRAY_SIZE(rv1));
 322         if (r)
 323                 return r;
 324
 325         if (IS_AL2230S(chip))
 326                 r = zd_rfwrite_locked(chip, 0x241000, RF_RV_BITS);
 327         else
 328                 r = zd_rfwrite_locked(chip, 0x25a000, RF_RV_BITS);
 329         if (r)
 330                 return r;
 331
 332         r = zd_rfwritev_cr_locked(chip, rv2, ARRAY_SIZE(rv2));
 333         if (r)
 334                 return r;
 335         r = zd_iowrite16a_locked(chip, ioreqs2, ARRAY_SIZE(ioreqs2));
 336         if (r)
 337                 return r;
 338         r = zd_rfwritev_cr_locked(chip, rv3, ARRAY_SIZE(rv3));
 339         if (r)
 340                 return r;
 341         r = zd_iowrite16a_locked(chip, ioreqs3, ARRAY_SIZE(ioreqs3));
 342         if (r)
 343                 return r;
 344         return zd1211b_al2230_finalize_rf(chip);
 345 }
 346
 347 static int zd1211_al2230_set_channel(struct zd_rf *rf, u8 channel)
 348 {
 349         int r;
 350         const u32 *rv = zd1211_al2230_table[channel-1];
 351         struct zd_chip *chip = zd_rf_to_chip(rf);
 352         static const struct zd_ioreq16 ioreqs[] = {
 353                 { ZD_CR138, 0x28 },
 354                 { ZD_CR203, 0x06 },
 355         };
 356
 357         r = zd_rfwritev_locked(chip, rv, 3, RF_RV_BITS);
 358         if (r)
 359                 return r;
 360         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 361 }
 362
 363 static int zd1211b_al2230_set_channel(struct zd_rf *rf, u8 channel)
 364 {
 365         int r;
 366         const u32 *rv = zd1211b_al2230_table[channel-1];
 367         struct zd_chip *chip = zd_rf_to_chip(rf);
 368
 369         r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
 370                 ARRAY_SIZE(zd1211b_ioreqs_shared_1));
 371         if (r)
 372                 return r;
 373
 374         r = zd_rfwritev_cr_locked(chip, rv, 3);
 375         if (r)
 376                 return r;
 377
 378         return zd1211b_al2230_finalize_rf(chip);
 379 }
 380
 381 static int zd1211_al2230_switch_radio_on(struct zd_rf *rf)
 382 {
 383         struct zd_chip *chip = zd_rf_to_chip(rf);
 384         static const struct zd_ioreq16 ioreqs[] = {
 385                 { ZD_CR11,  0x00 },
 386                 { ZD_CR251, 0x3f },
 387         };
 388
 389         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 390 }
 391
 392 static int zd1211b_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                 { ZD_CR11,  0x00 },
 397                 { ZD_CR251, 0x7f },
 398         };
 399
 400         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 401 }
 402
 403 static int al2230_switch_radio_off(struct zd_rf *rf)
 404 {
 405         struct zd_chip *chip = zd_rf_to_chip(rf);
 406         static const struct zd_ioreq16 ioreqs[] = {
 407                 { ZD_CR11,  0x04 },
 408                 { ZD_CR251, 0x2f },
 409         };
 410
 411         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
 412 }
 413
 414 int zd_rf_init_al2230(struct zd_rf *rf)
 415 {
 416         struct zd_chip *chip = zd_rf_to_chip(rf);
 417
 418         rf->switch_radio_off = al2230_switch_radio_off;
 419         if (zd_chip_is_zd1211b(chip)) {
 420                 rf->init_hw = zd1211b_al2230_init_hw;
 421                 rf->set_channel = zd1211b_al2230_set_channel;
 422                 rf->switch_radio_on = zd1211b_al2230_switch_radio_on;
 423         } else {
 424                 rf->init_hw = zd1211_al2230_init_hw;
 425                 rf->set_channel = zd1211_al2230_set_channel;
 426                 rf->switch_radio_on = zd1211_al2230_switch_radio_on;
 427         }
 428         rf->patch_6m_band_edge = zd_rf_generic_patch_6m;
 429         rf->patch_cck_gain = 1;
 430         return 0;
 431 }