LXR linux/drivers/net/wireless/zydas/zd1211rw/zd_rf

   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
  28static 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
  45static 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
  62static const struct zd_ioreq16 zd1211b_ioreqs_shared_1[] = {
  63        { ZD_CR240, 0x57 }, { ZD_CR9,   0xe0 },
  64};
  65
  66static 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
  78static 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
 104static 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
 217static 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
 359static 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
 375static 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
 393static 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
 404static 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
 415static 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
 426int 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}
 444