1/* zd_rf_al7230b.c: Functions for the AL7230B 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 24static const u32 chan_rv[][2] = { 25 RF_CHANNEL( 1) = { 0x09ec00, 0x8cccc8 }, 26 RF_CHANNEL( 2) = { 0x09ec00, 0x8cccd8 }, 27 RF_CHANNEL( 3) = { 0x09ec00, 0x8cccc0 }, 28 RF_CHANNEL( 4) = { 0x09ec00, 0x8cccd0 }, 29 RF_CHANNEL( 5) = { 0x05ec00, 0x8cccc8 }, 30 RF_CHANNEL( 6) = { 0x05ec00, 0x8cccd8 }, 31 RF_CHANNEL( 7) = { 0x05ec00, 0x8cccc0 }, 32 RF_CHANNEL( 8) = { 0x05ec00, 0x8cccd0 }, 33 RF_CHANNEL( 9) = { 0x0dec00, 0x8cccc8 }, 34 RF_CHANNEL(10) = { 0x0dec00, 0x8cccd8 }, 35 RF_CHANNEL(11) = { 0x0dec00, 0x8cccc0 }, 36 RF_CHANNEL(12) = { 0x0dec00, 0x8cccd0 }, 37 RF_CHANNEL(13) = { 0x03ec00, 0x8cccc8 }, 38 RF_CHANNEL(14) = { 0x03ec00, 0x866660 }, 39}; 40 41static const u32 std_rv[] = { 42 0x4ff821, 43 0xc5fbfc, 44 0x21ebfe, 45 0xafd401, /* freq shift 0xaad401 */ 46 0x6cf56a, 47 0xe04073, 48 0x193d76, 49 0x9dd844, 50 0x500007, 51 0xd8c010, 52}; 53 54static const u32 rv_init1[] = { 55 0x3c9000, 56 0xbfffff, 57 0x700000, 58 0xf15d58, 59}; 60 61static const u32 rv_init2[] = { 62 0xf15d59, 63 0xf15d5c, 64 0xf15d58, 65}; 66 67static const struct zd_ioreq16 ioreqs_sw[] = { 68 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 }, 69 { CR38, 0x38 }, { CR136, 0xdf }, 70}; 71 72static int zd1211b_al7230b_finalize(struct zd_chip *chip) 73{ 74 int r; 75 static const struct zd_ioreq16 ioreqs[] = { 76 { CR80, 0x30 }, { CR81, 0x30 }, { CR79, 0x58 }, 77 { CR12, 0xf0 }, { CR77, 0x1b }, { CR78, 0x58 }, 78 { CR203, 0x04 }, 79 { }, 80 { CR240, 0x80 }, 81 }; 82 83 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); 84 if (r) 85 return r; 86 87 if (chip->new_phy_layout) { 88 /* antenna selection? */ 89 r = zd_iowrite16_locked(chip, 0xe5, CR9); 90 if (r) 91 return r; 92 } 93 94 return zd_iowrite16_locked(chip, 0x04, CR203); 95} 96 97static int zd1211_al7230b_init_hw(struct zd_rf *rf) 98{ 99 int r; 100 struct zd_chip *chip = zd_rf_to_chip(rf); 101 102 /* All of these writes are identical to AL2230 unless otherwise 103 * specified */ 104 static const struct zd_ioreq16 ioreqs_1[] = { 105 /* This one is 7230-specific, and happens before the rest */ 106 { CR240, 0x57 }, 107 { }, 108 109 { CR15, 0x20 }, { CR23, 0x40 }, { CR24, 0x20 }, 110 { CR26, 0x11 }, { CR28, 0x3e }, { CR29, 0x00 }, 111 { CR44, 0x33 }, 112 /* This value is different for 7230 (was: 0x2a) */ 113 { CR106, 0x22 }, 114 { CR107, 0x1a }, { CR109, 0x09 }, { CR110, 0x27 }, 115 { CR111, 0x2b }, { CR112, 0x2b }, { CR119, 0x0a }, 116 /* This happened further down in AL2230, 117 * and the value changed (was: 0xe0) */ 118 { CR122, 0xfc }, 119 { CR10, 0x89 }, 120 /* for newest (3rd cut) AL2300 */ 121 { CR17, 0x28 }, 122 { CR26, 0x93 }, { CR34, 0x30 }, 123 /* for newest (3rd cut) AL2300 */ 124 { CR35, 0x3e }, 125 { CR41, 0x24 }, { CR44, 0x32 }, 126 /* for newest (3rd cut) AL2300 */ 127 { CR46, 0x96 }, 128 { CR47, 0x1e }, { CR79, 0x58 }, { CR80, 0x30 }, 129 { CR81, 0x30 }, { CR87, 0x0a }, { CR89, 0x04 }, 130 { CR92, 0x0a }, { CR99, 0x28 }, 131 /* This value is different for 7230 (was: 0x00) */ 132 { CR100, 0x02 }, 133 { CR101, 0x13 }, { CR102, 0x27 }, 134 /* This value is different for 7230 (was: 0x24) */ 135 { CR106, 0x22 }, 136 /* This value is different for 7230 (was: 0x2a) */ 137 { CR107, 0x3f }, 138 { CR109, 0x09 }, 139 /* This value is different for 7230 (was: 0x13) */ 140 { CR110, 0x1f }, 141 { CR111, 0x1f }, { CR112, 0x1f }, { CR113, 0x27 }, 142 { CR114, 0x27 }, 143 /* for newest (3rd cut) AL2300 */ 144 { CR115, 0x24 }, 145 /* This value is different for 7230 (was: 0x24) */ 146 { CR116, 0x3f }, 147 /* This value is different for 7230 (was: 0xf4) */ 148 { CR117, 0xfa }, 149 { CR118, 0xfc }, { CR119, 0x10 }, { CR120, 0x4f }, 150 { CR121, 0x77 }, { CR137, 0x88 }, 151 /* This one is 7230-specific */ 152 { CR138, 0xa8 }, 153 /* This value is different for 7230 (was: 0xff) */ 154 { CR252, 0x34 }, 155 /* This value is different for 7230 (was: 0xff) */ 156 { CR253, 0x34 }, 157 158 /* PLL_OFF */ 159 { CR251, 0x2f }, 160 }; 161 162 static const struct zd_ioreq16 ioreqs_2[] = { 163 { CR251, 0x3f }, /* PLL_ON */ 164 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 }, 165 { CR38, 0x38 }, { CR136, 0xdf }, 166 }; 167 168 r = zd_iowrite16a_locked(chip, ioreqs_1, ARRAY_SIZE(ioreqs_1)); 169 if (r) 170 return r; 171 172 r = zd_rfwritev_cr_locked(chip, chan_rv[0], ARRAY_SIZE(chan_rv[0])); 173 if (r) 174 return r; 175 176 r = zd_rfwritev_cr_locked(chip, std_rv, ARRAY_SIZE(std_rv)); 177 if (r) 178 return r; 179 180 r = zd_rfwritev_cr_locked(chip, rv_init1, ARRAY_SIZE(rv_init1)); 181 if (r) 182 return r; 183 184 r = zd_iowrite16a_locked(chip, ioreqs_2, ARRAY_SIZE(ioreqs_2)); 185 if (r) 186 return r; 187 188 r = zd_rfwritev_cr_locked(chip, rv_init2, ARRAY_SIZE(rv_init2)); 189 if (r) 190 return r; 191 192 r = zd_iowrite16_locked(chip, 0x06, CR203); 193 if (r) 194 return r; 195 r = zd_iowrite16_locked(chip, 0x80, CR240); 196 if (r) 197 return r; 198 199 return 0; 200} 201 202static int zd1211b_al7230b_init_hw(struct zd_rf *rf) 203{ 204 int r; 205 struct zd_chip *chip = zd_rf_to_chip(rf); 206 207 static const struct zd_ioreq16 ioreqs_1[] = { 208 { CR240, 0x57 }, { CR9, 0x9 }, 209 { }, 210 { CR10, 0x8b }, { CR15, 0x20 }, 211 { CR17, 0x2B }, /* for newest (3rd cut) AL2230 */ 212 { CR20, 0x10 }, /* 4N25->Stone Request */ 213 { CR23, 0x40 }, { CR24, 0x20 }, { CR26, 0x93 }, 214 { CR28, 0x3e }, { CR29, 0x00 }, 215 { CR33, 0x28 }, /* 5613 */ 216 { CR34, 0x30 }, 217 { CR35, 0x3e }, /* for newest (3rd cut) AL2230 */ 218 { CR41, 0x24 }, { CR44, 0x32 }, 219 { CR46, 0x99 }, /* for newest (3rd cut) AL2230 */ 220 { CR47, 0x1e }, 221 222 /* ZD1215 5610 */ 223 { CR48, 0x00 }, { CR49, 0x00 }, { CR51, 0x01 }, 224 { CR52, 0x80 }, { CR53, 0x7e }, { CR65, 0x00 }, 225 { CR66, 0x00 }, { CR67, 0x00 }, { CR68, 0x00 }, 226 { CR69, 0x28 }, 227 228 { CR79, 0x58 }, { CR80, 0x30 }, { CR81, 0x30 }, 229 { CR87, 0x0A }, { CR89, 0x04 }, 230 { CR90, 0x58 }, /* 5112 */ 231 { CR91, 0x00 }, /* 5613 */ 232 { CR92, 0x0a }, 233 { CR98, 0x8d }, /* 4804, for 1212 new algorithm */ 234 { CR99, 0x00 }, { CR100, 0x02 }, { CR101, 0x13 }, 235 { CR102, 0x27 }, 236 { CR106, 0x20 }, /* change to 0x24 for AL7230B */ 237 { CR109, 0x13 }, /* 4804, for 1212 new algorithm */ 238 { CR112, 0x1f }, 239 }; 240 241 static const struct zd_ioreq16 ioreqs_new_phy[] = { 242 { CR107, 0x28 }, 243 { CR110, 0x1f }, /* 5127, 0x13->0x1f */ 244 { CR111, 0x1f }, /* 0x13 to 0x1f for AL7230B */ 245 { CR116, 0x2a }, { CR118, 0xfa }, { CR119, 0x12 }, 246 { CR121, 0x6c }, /* 5613 */ 247 }; 248 249 static const struct zd_ioreq16 ioreqs_old_phy[] = { 250 { CR107, 0x24 }, 251 { CR110, 0x13 }, /* 5127, 0x13->0x1f */ 252 { CR111, 0x13 }, /* 0x13 to 0x1f for AL7230B */ 253 { CR116, 0x24 }, { CR118, 0xfc }, { CR119, 0x11 }, 254 { CR121, 0x6a }, /* 5613 */ 255 }; 256 257 static const struct zd_ioreq16 ioreqs_2[] = { 258 { CR113, 0x27 }, { CR114, 0x27 }, { CR115, 0x24 }, 259 { CR117, 0xfa }, { CR120, 0x4f }, 260 { CR122, 0xfc }, /* E0->FCh at 4901 */ 261 { CR123, 0x57 }, /* 5613 */ 262 { CR125, 0xad }, /* 4804, for 1212 new algorithm */ 263 { CR126, 0x6c }, /* 5613 */ 264 { CR127, 0x03 }, /* 4804, for 1212 new algorithm */ 265 { CR130, 0x10 }, 266 { CR131, 0x00 }, /* 5112 */ 267 { CR137, 0x50 }, /* 5613 */ 268 { CR138, 0xa8 }, /* 5112 */ 269 { CR144, 0xac }, /* 5613 */ 270 { CR148, 0x40 }, /* 5112 */ 271 { CR149, 0x40 }, /* 4O07, 50->40 */ 272 { CR150, 0x1a }, /* 5112, 0C->1A */ 273 { CR252, 0x34 }, { CR253, 0x34 }, 274 { CR251, 0x2f }, /* PLL_OFF */ 275 }; 276 277 static const struct zd_ioreq16 ioreqs_3[] = { 278 { CR251, 0x7f }, /* PLL_ON */ 279 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 }, 280 { CR38, 0x38 }, { CR136, 0xdf }, 281 }; 282 283 r = zd_iowrite16a_locked(chip, ioreqs_1, ARRAY_SIZE(ioreqs_1)); 284 if (r) 285 return r; 286 287 if (chip->new_phy_layout) 288 r = zd_iowrite16a_locked(chip, ioreqs_new_phy, 289 ARRAY_SIZE(ioreqs_new_phy)); 290 else 291 r = zd_iowrite16a_locked(chip, ioreqs_old_phy, 292 ARRAY_SIZE(ioreqs_old_phy)); 293 if (r) 294 return r; 295 296 r = zd_iowrite16a_locked(chip, ioreqs_2, ARRAY_SIZE(ioreqs_2)); 297 if (r) 298 return r; 299 300 r = zd_rfwritev_cr_locked(chip, chan_rv[0], ARRAY_SIZE(chan_rv[0])); 301 if (r) 302 return r; 303 304 r = zd_rfwritev_cr_locked(chip, std_rv, ARRAY_SIZE(std_rv)); 305 if (r) 306 return r; 307 308 r = zd_rfwritev_cr_locked(chip, rv_init1, ARRAY_SIZE(rv_init1)); 309 if (r) 310 return r; 311 312 r = zd_iowrite16a_locked(chip, ioreqs_3, ARRAY_SIZE(ioreqs_3)); 313 if (r) 314 return r; 315 316 r = zd_rfwritev_cr_locked(chip, rv_init2, ARRAY_SIZE(rv_init2)); 317 if (r) 318 return r; 319 320 return zd1211b_al7230b_finalize(chip); 321} 322 323static int zd1211_al7230b_set_channel(struct zd_rf *rf, u8 channel) 324{ 325 int r; 326 const u32 *rv = chan_rv[channel-1]; 327 struct zd_chip *chip = zd_rf_to_chip(rf); 328 329 static const struct zd_ioreq16 ioreqs[] = { 330 /* PLL_ON */ 331 { CR251, 0x3f }, 332 { CR203, 0x06 }, { CR240, 0x08 }, 333 }; 334 335 r = zd_iowrite16_locked(chip, 0x57, CR240); 336 if (r) 337 return r; 338 339 /* PLL_OFF */ 340 r = zd_iowrite16_locked(chip, 0x2f, CR251); 341 if (r) 342 return r; 343 344 r = zd_rfwritev_cr_locked(chip, std_rv, ARRAY_SIZE(std_rv)); 345 if (r) 346 return r; 347 348 r = zd_rfwrite_cr_locked(chip, 0x3c9000); 349 if (r) 350 return r; 351 r = zd_rfwrite_cr_locked(chip, 0xf15d58); 352 if (r) 353 return r; 354 355 r = zd_iowrite16a_locked(chip, ioreqs_sw, ARRAY_SIZE(ioreqs_sw)); 356 if (r) 357 return r; 358 359 r = zd_rfwritev_cr_locked(chip, rv, 2); 360 if (r) 361 return r; 362 363 r = zd_rfwrite_cr_locked(chip, 0x3c9000); 364 if (r) 365 return r; 366 367 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); 368} 369 370static int zd1211b_al7230b_set_channel(struct zd_rf *rf, u8 channel) 371{ 372 int r; 373 const u32 *rv = chan_rv[channel-1]; 374 struct zd_chip *chip = zd_rf_to_chip(rf); 375 376 r = zd_iowrite16_locked(chip, 0x57, CR240); 377 if (r) 378 return r; 379 r = zd_iowrite16_locked(chip, 0xe4, CR9); 380 if (r) 381 return r; 382 383 /* PLL_OFF */ 384 r = zd_iowrite16_locked(chip, 0x2f, CR251); 385 if (r) 386 return r; 387 r = zd_rfwritev_cr_locked(chip, std_rv, ARRAY_SIZE(std_rv)); 388 if (r) 389 return r; 390 391 r = zd_rfwrite_cr_locked(chip, 0x3c9000); 392 if (r) 393 return r; 394 r = zd_rfwrite_cr_locked(chip, 0xf15d58); 395 if (r) 396 return r; 397 398 r = zd_iowrite16a_locked(chip, ioreqs_sw, ARRAY_SIZE(ioreqs_sw)); 399 if (r) 400 return r; 401 402 r = zd_rfwritev_cr_locked(chip, rv, 2); 403 if (r) 404 return r; 405 406 r = zd_rfwrite_cr_locked(chip, 0x3c9000); 407 if (r) 408 return r; 409 410 r = zd_iowrite16_locked(chip, 0x7f, CR251); 411 if (r) 412 return r; 413 414 return zd1211b_al7230b_finalize(chip); 415} 416 417static int zd1211_al7230b_switch_radio_on(struct zd_rf *rf) 418{ 419 struct zd_chip *chip = zd_rf_to_chip(rf); 420 static const struct zd_ioreq16 ioreqs[] = { 421 { CR11, 0x00 }, 422 { CR251, 0x3f }, 423 }; 424 425 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); 426} 427 428static int zd1211b_al7230b_switch_radio_on(struct zd_rf *rf) 429{ 430 struct zd_chip *chip = zd_rf_to_chip(rf); 431 static const struct zd_ioreq16 ioreqs[] = { 432 { CR11, 0x00 }, 433 { CR251, 0x7f }, 434 }; 435 436 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); 437} 438 439static int al7230b_switch_radio_off(struct zd_rf *rf) 440{ 441 struct zd_chip *chip = zd_rf_to_chip(rf); 442 static const struct zd_ioreq16 ioreqs[] = { 443 { CR11, 0x04 }, 444 { CR251, 0x2f }, 445 }; 446 447 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); 448} 449 450/* ZD1211B+AL7230B 6m band edge patching differs slightly from other 451 * configurations */ 452static int zd1211b_al7230b_patch_6m(struct zd_rf *rf, u8 channel) 453{ 454 struct zd_chip *chip = zd_rf_to_chip(rf); 455 struct zd_ioreq16 ioreqs[] = { 456 { CR128, 0x14 }, { CR129, 0x12 }, 457 }; 458 459 if (channel == 1) { 460 ioreqs[0].value = 0x0e; 461 ioreqs[1].value = 0x10; 462 } else if (channel == 11) { 463 ioreqs[0].value = 0x10; 464 ioreqs[1].value = 0x10; 465 } 466 467 dev_dbg_f(zd_chip_dev(chip), "patching for channel %d\n", channel); 468 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); 469} 470 471int zd_rf_init_al7230b(struct zd_rf *rf) 472{ 473 struct zd_chip *chip = zd_rf_to_chip(rf); 474 475 if (chip->is_zd1211b) { 476 rf->init_hw = zd1211b_al7230b_init_hw; 477 rf->switch_radio_on = zd1211b_al7230b_switch_radio_on; 478 rf->set_channel = zd1211b_al7230b_set_channel; 479 rf->patch_6m_band_edge = zd1211b_al7230b_patch_6m; 480 } else { 481 rf->init_hw = zd1211_al7230b_init_hw; 482 rf->switch_radio_on = zd1211_al7230b_switch_radio_on; 483 rf->set_channel = zd1211_al7230b_set_channel; 484 rf->patch_6m_band_edge = zd_rf_generic_patch_6m; 485 } 486 487 rf->switch_radio_off = al7230b_switch_radio_off; 488 489 return 0; 490} 491