1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Driver for Realtek PCI-Express card reader 4 * 5 * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved. 6 * 7 * Author: 8 * Wei WANG (wei_wang@realsil.com.cn) 9 * Micky Ching (micky_ching@realsil.com.cn) 10 */ 11 12 #include <linux/blkdev.h> 13 #include <linux/kthread.h> 14 #include <linux/sched.h> 15 #include <linux/vmalloc.h> 16 17 #include "rtsx.h" 18 #include "rtsx_transport.h" 19 #include "rtsx_scsi.h" 20 #include "rtsx_card.h" 21 #include "xd.h" 22 23 static int xd_build_l2p_tbl(struct rtsx_chip *chip, int zone_no); 24 static int xd_init_page(struct rtsx_chip *chip, u32 phy_blk, u16 logoff, 25 u8 start_page, u8 end_page); 26 27 static inline void xd_set_err_code(struct rtsx_chip *chip, u8 err_code) 28 { 29 struct xd_info *xd_card = &chip->xd_card; 30 31 xd_card->err_code = err_code; 32 } 33 34 static int xd_set_init_para(struct rtsx_chip *chip) 35 { 36 struct xd_info *xd_card = &chip->xd_card; 37 int retval; 38 39 if (chip->asic_code) 40 xd_card->xd_clock = 47; 41 else 42 xd_card->xd_clock = CLK_50; 43 44 retval = switch_clock(chip, xd_card->xd_clock); 45 if (retval != STATUS_SUCCESS) 46 return STATUS_FAIL; 47 48 return STATUS_SUCCESS; 49 } 50 51 static int xd_switch_clock(struct rtsx_chip *chip) 52 { 53 struct xd_info *xd_card = &chip->xd_card; 54 int retval; 55 56 retval = select_card(chip, XD_CARD); 57 if (retval != STATUS_SUCCESS) 58 return STATUS_FAIL; 59 60 retval = switch_clock(chip, xd_card->xd_clock); 61 if (retval != STATUS_SUCCESS) 62 return STATUS_FAIL; 63 64 return STATUS_SUCCESS; 65 } 66 67 static int xd_read_id(struct rtsx_chip *chip, u8 id_cmd, u8 *id_buf, u8 buf_len) 68 { 69 int retval, i; 70 u8 *ptr; 71 72 rtsx_init_cmd(chip); 73 74 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, id_cmd); 75 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, 76 XD_TRANSFER_START | XD_READ_ID); 77 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, 78 XD_TRANSFER_END); 79 80 for (i = 0; i < 4; i++) 81 rtsx_add_cmd(chip, READ_REG_CMD, (u16)(XD_ADDRESS1 + i), 0, 0); 82 83 retval = rtsx_send_cmd(chip, XD_CARD, 20); 84 if (retval < 0) 85 return STATUS_FAIL; 86 87 ptr = rtsx_get_cmd_data(chip) + 1; 88 if (id_buf && buf_len) { 89 if (buf_len > 4) 90 buf_len = 4; 91 memcpy(id_buf, ptr, buf_len); 92 } 93 94 return STATUS_SUCCESS; 95 } 96 97 static void xd_assign_phy_addr(struct rtsx_chip *chip, u32 addr, u8 mode) 98 { 99 struct xd_info *xd_card = &chip->xd_card; 100 101 switch (mode) { 102 case XD_RW_ADDR: 103 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS0, 0xFF, 0); 104 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS1, 0xFF, (u8)addr); 105 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS2, 106 0xFF, (u8)(addr >> 8)); 107 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS3, 108 0xFF, (u8)(addr >> 16)); 109 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 0xFF, 110 xd_card->addr_cycle | 111 XD_CALC_ECC | 112 XD_BA_NO_TRANSFORM); 113 break; 114 115 case XD_ERASE_ADDR: 116 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS0, 0xFF, (u8)addr); 117 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS1, 118 0xFF, (u8)(addr >> 8)); 119 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS2, 120 0xFF, (u8)(addr >> 16)); 121 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 0xFF, 122 (xd_card->addr_cycle - 1) | XD_CALC_ECC | 123 XD_BA_NO_TRANSFORM); 124 break; 125 126 default: 127 break; 128 } 129 } 130 131 static int xd_read_redundant(struct rtsx_chip *chip, u32 page_addr, 132 u8 *buf, int buf_len) 133 { 134 int retval, i; 135 136 rtsx_init_cmd(chip); 137 138 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR); 139 140 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 141 0xFF, XD_TRANSFER_START | XD_READ_REDUNDANT); 142 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, 143 XD_TRANSFER_END, XD_TRANSFER_END); 144 145 for (i = 0; i < 6; i++) 146 rtsx_add_cmd(chip, READ_REG_CMD, (u16)(XD_PAGE_STATUS + i), 147 0, 0); 148 for (i = 0; i < 4; i++) 149 rtsx_add_cmd(chip, READ_REG_CMD, (u16)(XD_RESERVED0 + i), 150 0, 0); 151 rtsx_add_cmd(chip, READ_REG_CMD, XD_PARITY, 0, 0); 152 153 retval = rtsx_send_cmd(chip, XD_CARD, 500); 154 if (retval < 0) 155 return STATUS_FAIL; 156 157 if (buf && buf_len) { 158 u8 *ptr = rtsx_get_cmd_data(chip) + 1; 159 160 if (buf_len > 11) 161 buf_len = 11; 162 memcpy(buf, ptr, buf_len); 163 } 164 165 return STATUS_SUCCESS; 166 } 167 168 static int xd_read_data_from_ppb(struct rtsx_chip *chip, int offset, 169 u8 *buf, int buf_len) 170 { 171 int retval, i; 172 173 if (!buf || buf_len < 0) 174 return STATUS_FAIL; 175 176 rtsx_init_cmd(chip); 177 178 for (i = 0; i < buf_len; i++) 179 rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + offset + i, 180 0, 0); 181 182 retval = rtsx_send_cmd(chip, 0, 250); 183 if (retval < 0) { 184 rtsx_clear_xd_error(chip); 185 return STATUS_FAIL; 186 } 187 188 memcpy(buf, rtsx_get_cmd_data(chip), buf_len); 189 190 return STATUS_SUCCESS; 191 } 192 193 static int xd_read_cis(struct rtsx_chip *chip, u32 page_addr, u8 *buf, 194 int buf_len) 195 { 196 int retval; 197 u8 reg; 198 199 if (!buf || buf_len < 10) 200 return STATUS_FAIL; 201 202 rtsx_init_cmd(chip); 203 204 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR); 205 206 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 207 0x01, PINGPONG_BUFFER); 208 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1); 209 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, 210 XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS); 211 212 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, 213 XD_TRANSFER_START | XD_READ_PAGES); 214 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, 215 XD_TRANSFER_END); 216 217 retval = rtsx_send_cmd(chip, XD_CARD, 250); 218 if (retval == -ETIMEDOUT) { 219 rtsx_clear_xd_error(chip); 220 return STATUS_FAIL; 221 } 222 223 retval = rtsx_read_register(chip, XD_PAGE_STATUS, ®); 224 if (retval) 225 return retval; 226 if (reg != XD_GPG) { 227 rtsx_clear_xd_error(chip); 228 return STATUS_FAIL; 229 } 230 231 retval = rtsx_read_register(chip, XD_CTL, ®); 232 if (retval) 233 return retval; 234 if (!(reg & XD_ECC1_ERROR) || !(reg & XD_ECC1_UNCORRECTABLE)) { 235 retval = xd_read_data_from_ppb(chip, 0, buf, buf_len); 236 if (retval != STATUS_SUCCESS) 237 return STATUS_FAIL; 238 if (reg & XD_ECC1_ERROR) { 239 u8 ecc_bit, ecc_byte; 240 241 retval = rtsx_read_register(chip, XD_ECC_BIT1, 242 &ecc_bit); 243 if (retval) 244 return retval; 245 retval = rtsx_read_register(chip, XD_ECC_BYTE1, 246 &ecc_byte); 247 if (retval) 248 return retval; 249 250 dev_dbg(rtsx_dev(chip), "ECC_BIT1 = 0x%x, ECC_BYTE1 = 0x%x\n", 251 ecc_bit, ecc_byte); 252 if (ecc_byte < buf_len) { 253 dev_dbg(rtsx_dev(chip), "Before correct: 0x%x\n", 254 buf[ecc_byte]); 255 buf[ecc_byte] ^= (1 << ecc_bit); 256 dev_dbg(rtsx_dev(chip), "After correct: 0x%x\n", 257 buf[ecc_byte]); 258 } 259 } 260 } else if (!(reg & XD_ECC2_ERROR) || !(reg & XD_ECC2_UNCORRECTABLE)) { 261 rtsx_clear_xd_error(chip); 262 263 retval = xd_read_data_from_ppb(chip, 256, buf, buf_len); 264 if (retval != STATUS_SUCCESS) 265 return STATUS_FAIL; 266 if (reg & XD_ECC2_ERROR) { 267 u8 ecc_bit, ecc_byte; 268 269 retval = rtsx_read_register(chip, XD_ECC_BIT2, 270 &ecc_bit); 271 if (retval) 272 return retval; 273 retval = rtsx_read_register(chip, XD_ECC_BYTE2, 274 &ecc_byte); 275 if (retval) 276 return retval; 277 278 dev_dbg(rtsx_dev(chip), "ECC_BIT2 = 0x%x, ECC_BYTE2 = 0x%x\n", 279 ecc_bit, ecc_byte); 280 if (ecc_byte < buf_len) { 281 dev_dbg(rtsx_dev(chip), "Before correct: 0x%x\n", 282 buf[ecc_byte]); 283 buf[ecc_byte] ^= (1 << ecc_bit); 284 dev_dbg(rtsx_dev(chip), "After correct: 0x%x\n", 285 buf[ecc_byte]); 286 } 287 } 288 } else { 289 rtsx_clear_xd_error(chip); 290 return STATUS_FAIL; 291 } 292 293 return STATUS_SUCCESS; 294 } 295 296 static void xd_fill_pull_ctl_disable(struct rtsx_chip *chip) 297 { 298 if (CHECK_PID(chip, 0x5208)) { 299 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 300 XD_D3_PD | XD_D2_PD | XD_D1_PD | XD_D0_PD); 301 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 302 XD_D7_PD | XD_D6_PD | XD_D5_PD | XD_D4_PD); 303 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 304 XD_WP_PD | XD_CE_PD | XD_CLE_PD | XD_CD_PU); 305 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 306 XD_RDY_PD | XD_WE_PD | XD_RE_PD | XD_ALE_PD); 307 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 308 MS_INS_PU | SD_WP_PD | SD_CD_PU | SD_CMD_PD); 309 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 310 MS_D5_PD | MS_D4_PD); 311 } else if (CHECK_PID(chip, 0x5288)) { 312 if (CHECK_BARO_PKG(chip, QFN)) { 313 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 314 0xFF, 0x55); 315 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 316 0xFF, 0x55); 317 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 318 0xFF, 0x4B); 319 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 320 0xFF, 0x69); 321 } 322 } 323 } 324 325 static void xd_fill_pull_ctl_stage1_barossa(struct rtsx_chip *chip) 326 { 327 if (CHECK_BARO_PKG(chip, QFN)) { 328 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55); 329 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55); 330 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x4B); 331 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55); 332 } 333 } 334 335 static void xd_fill_pull_ctl_enable(struct rtsx_chip *chip) 336 { 337 if (CHECK_PID(chip, 0x5208)) { 338 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 339 XD_D3_PD | XD_D2_PD | XD_D1_PD | XD_D0_PD); 340 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 341 XD_D7_PD | XD_D6_PD | XD_D5_PD | XD_D4_PD); 342 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 343 XD_WP_PD | XD_CE_PU | XD_CLE_PD | XD_CD_PU); 344 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 345 XD_RDY_PU | XD_WE_PU | XD_RE_PU | XD_ALE_PD); 346 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 347 MS_INS_PU | SD_WP_PD | SD_CD_PU | SD_CMD_PD); 348 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 349 MS_D5_PD | MS_D4_PD); 350 } else if (CHECK_PID(chip, 0x5288)) { 351 if (CHECK_BARO_PKG(chip, QFN)) { 352 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 353 0xFF, 0x55); 354 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 355 0xFF, 0x55); 356 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 357 0xFF, 0x53); 358 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 359 0xFF, 0xA9); 360 } 361 } 362 } 363 364 static int xd_pull_ctl_disable(struct rtsx_chip *chip) 365 { 366 int retval; 367 368 if (CHECK_PID(chip, 0x5208)) { 369 retval = rtsx_write_register(chip, CARD_PULL_CTL1, 0xFF, 370 XD_D3_PD | 371 XD_D2_PD | 372 XD_D1_PD | 373 XD_D0_PD); 374 if (retval) 375 return retval; 376 retval = rtsx_write_register(chip, CARD_PULL_CTL2, 0xFF, 377 XD_D7_PD | 378 XD_D6_PD | 379 XD_D5_PD | 380 XD_D4_PD); 381 if (retval) 382 return retval; 383 retval = rtsx_write_register(chip, CARD_PULL_CTL3, 0xFF, 384 XD_WP_PD | 385 XD_CE_PD | 386 XD_CLE_PD | 387 XD_CD_PU); 388 if (retval) 389 return retval; 390 retval = rtsx_write_register(chip, CARD_PULL_CTL4, 0xFF, 391 XD_RDY_PD | 392 XD_WE_PD | 393 XD_RE_PD | 394 XD_ALE_PD); 395 if (retval) 396 return retval; 397 retval = rtsx_write_register(chip, CARD_PULL_CTL5, 0xFF, 398 MS_INS_PU | 399 SD_WP_PD | 400 SD_CD_PU | 401 SD_CMD_PD); 402 if (retval) 403 return retval; 404 retval = rtsx_write_register(chip, CARD_PULL_CTL6, 0xFF, 405 MS_D5_PD | MS_D4_PD); 406 if (retval) 407 return retval; 408 } else if (CHECK_PID(chip, 0x5288)) { 409 if (CHECK_BARO_PKG(chip, QFN)) { 410 retval = rtsx_write_register(chip, CARD_PULL_CTL1, 411 0xFF, 0x55); 412 if (retval) 413 return retval; 414 retval = rtsx_write_register(chip, CARD_PULL_CTL2, 415 0xFF, 0x55); 416 if (retval) 417 return retval; 418 retval = rtsx_write_register(chip, CARD_PULL_CTL3, 419 0xFF, 0x4B); 420 if (retval) 421 return retval; 422 retval = rtsx_write_register(chip, CARD_PULL_CTL4, 423 0xFF, 0x69); 424 if (retval) 425 return retval; 426 } 427 } 428 429 return STATUS_SUCCESS; 430 } 431 432 static int reset_xd(struct rtsx_chip *chip) 433 { 434 struct xd_info *xd_card = &chip->xd_card; 435 int retval, i, j; 436 u8 *ptr, id_buf[4], redunt[11]; 437 438 retval = select_card(chip, XD_CARD); 439 if (retval != STATUS_SUCCESS) 440 return STATUS_FAIL; 441 442 rtsx_init_cmd(chip); 443 444 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, 0xFF, 445 XD_PGSTS_NOT_FF); 446 if (chip->asic_code) { 447 if (!CHECK_PID(chip, 0x5288)) 448 xd_fill_pull_ctl_disable(chip); 449 else 450 xd_fill_pull_ctl_stage1_barossa(chip); 451 } else { 452 rtsx_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF, 453 (FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN3) | 454 0x20); 455 } 456 457 if (!chip->ft2_fast_mode) 458 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_INIT, 459 XD_NO_AUTO_PWR_OFF, 0); 460 461 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, 0); 462 463 retval = rtsx_send_cmd(chip, XD_CARD, 100); 464 if (retval < 0) 465 return STATUS_FAIL; 466 467 if (!chip->ft2_fast_mode) { 468 retval = card_power_off(chip, XD_CARD); 469 if (retval != STATUS_SUCCESS) 470 return STATUS_FAIL; 471 472 wait_timeout(250); 473 474 rtsx_init_cmd(chip); 475 476 if (chip->asic_code) { 477 xd_fill_pull_ctl_enable(chip); 478 } else { 479 rtsx_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF, 480 (FPGA_XD_PULL_CTL_EN1 & 481 FPGA_XD_PULL_CTL_EN2) | 482 0x20); 483 } 484 485 retval = rtsx_send_cmd(chip, XD_CARD, 100); 486 if (retval < 0) 487 return STATUS_FAIL; 488 489 retval = card_power_on(chip, XD_CARD); 490 if (retval != STATUS_SUCCESS) 491 return STATUS_FAIL; 492 493 #ifdef SUPPORT_OCP 494 wait_timeout(50); 495 if (chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER)) { 496 dev_dbg(rtsx_dev(chip), "Over current, OCPSTAT is 0x%x\n", 497 chip->ocp_stat); 498 return STATUS_FAIL; 499 } 500 #endif 501 } 502 503 rtsx_init_cmd(chip); 504 505 if (chip->ft2_fast_mode) { 506 if (chip->asic_code) { 507 xd_fill_pull_ctl_enable(chip); 508 } else { 509 rtsx_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF, 510 (FPGA_XD_PULL_CTL_EN1 & 511 FPGA_XD_PULL_CTL_EN2) | 512 0x20); 513 } 514 } 515 516 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, XD_OUTPUT_EN); 517 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CTL, XD_CE_DISEN, XD_CE_DISEN); 518 519 retval = rtsx_send_cmd(chip, XD_CARD, 100); 520 if (retval < 0) 521 return STATUS_FAIL; 522 523 if (!chip->ft2_fast_mode) 524 wait_timeout(200); 525 526 retval = xd_set_init_para(chip); 527 if (retval != STATUS_SUCCESS) 528 return STATUS_FAIL; 529 530 /* Read ID to check if the timing setting is right */ 531 for (i = 0; i < 4; i++) { 532 rtsx_init_cmd(chip); 533 534 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_DTCTL, 0xFF, 535 XD_TIME_SETUP_STEP * 3 + 536 XD_TIME_RW_STEP * (2 + i) + XD_TIME_RWN_STEP * i); 537 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CATCTL, 0xFF, 538 XD_TIME_SETUP_STEP * 3 + 539 XD_TIME_RW_STEP * (4 + i) + 540 XD_TIME_RWN_STEP * (3 + i)); 541 542 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, 543 XD_TRANSFER_START | XD_RESET); 544 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, 545 XD_TRANSFER_END, XD_TRANSFER_END); 546 547 rtsx_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0); 548 rtsx_add_cmd(chip, READ_REG_CMD, XD_CTL, 0, 0); 549 550 retval = rtsx_send_cmd(chip, XD_CARD, 100); 551 if (retval < 0) 552 return STATUS_FAIL; 553 554 ptr = rtsx_get_cmd_data(chip) + 1; 555 556 dev_dbg(rtsx_dev(chip), "XD_DAT: 0x%x, XD_CTL: 0x%x\n", 557 ptr[0], ptr[1]); 558 559 if (((ptr[0] & READY_FLAG) != READY_STATE) || 560 !(ptr[1] & XD_RDY)) 561 continue; 562 563 retval = xd_read_id(chip, READ_ID, id_buf, 4); 564 if (retval != STATUS_SUCCESS) 565 return STATUS_FAIL; 566 567 dev_dbg(rtsx_dev(chip), "READ_ID: 0x%x 0x%x 0x%x 0x%x\n", 568 id_buf[0], id_buf[1], id_buf[2], id_buf[3]); 569 570 xd_card->device_code = id_buf[1]; 571 572 /* Check if the xD card is supported */ 573 switch (xd_card->device_code) { 574 case XD_4M_X8_512_1: 575 case XD_4M_X8_512_2: 576 xd_card->block_shift = 4; 577 xd_card->page_off = 0x0F; 578 xd_card->addr_cycle = 3; 579 xd_card->zone_cnt = 1; 580 xd_card->capacity = 8000; 581 XD_SET_4MB(xd_card); 582 break; 583 case XD_8M_X8_512: 584 xd_card->block_shift = 4; 585 xd_card->page_off = 0x0F; 586 xd_card->addr_cycle = 3; 587 xd_card->zone_cnt = 1; 588 xd_card->capacity = 16000; 589 break; 590 case XD_16M_X8_512: 591 XD_PAGE_512(xd_card); 592 xd_card->addr_cycle = 3; 593 xd_card->zone_cnt = 1; 594 xd_card->capacity = 32000; 595 break; 596 case XD_32M_X8_512: 597 XD_PAGE_512(xd_card); 598 xd_card->addr_cycle = 3; 599 xd_card->zone_cnt = 2; 600 xd_card->capacity = 64000; 601 break; 602 case XD_64M_X8_512: 603 XD_PAGE_512(xd_card); 604 xd_card->addr_cycle = 4; 605 xd_card->zone_cnt = 4; 606 xd_card->capacity = 128000; 607 break; 608 case XD_128M_X8_512: 609 XD_PAGE_512(xd_card); 610 xd_card->addr_cycle = 4; 611 xd_card->zone_cnt = 8; 612 xd_card->capacity = 256000; 613 break; 614 case XD_256M_X8_512: 615 XD_PAGE_512(xd_card); 616 xd_card->addr_cycle = 4; 617 xd_card->zone_cnt = 16; 618 xd_card->capacity = 512000; 619 break; 620 case XD_512M_X8: 621 XD_PAGE_512(xd_card); 622 xd_card->addr_cycle = 4; 623 xd_card->zone_cnt = 32; 624 xd_card->capacity = 1024000; 625 break; 626 case XD_1G_X8_512: 627 XD_PAGE_512(xd_card); 628 xd_card->addr_cycle = 4; 629 xd_card->zone_cnt = 64; 630 xd_card->capacity = 2048000; 631 break; 632 case XD_2G_X8_512: 633 XD_PAGE_512(xd_card); 634 xd_card->addr_cycle = 4; 635 xd_card->zone_cnt = 128; 636 xd_card->capacity = 4096000; 637 break; 638 default: 639 continue; 640 } 641 642 /* Confirm timing setting */ 643 for (j = 0; j < 10; j++) { 644 retval = xd_read_id(chip, READ_ID, id_buf, 4); 645 if (retval != STATUS_SUCCESS) 646 return STATUS_FAIL; 647 648 if (id_buf[1] != xd_card->device_code) 649 break; 650 } 651 652 if (j == 10) 653 break; 654 } 655 656 if (i == 4) { 657 xd_card->block_shift = 0; 658 xd_card->page_off = 0; 659 xd_card->addr_cycle = 0; 660 xd_card->capacity = 0; 661 662 return STATUS_FAIL; 663 } 664 665 retval = xd_read_id(chip, READ_XD_ID, id_buf, 4); 666 if (retval != STATUS_SUCCESS) 667 return STATUS_FAIL; 668 dev_dbg(rtsx_dev(chip), "READ_XD_ID: 0x%x 0x%x 0x%x 0x%x\n", 669 id_buf[0], id_buf[1], id_buf[2], id_buf[3]); 670 if (id_buf[2] != XD_ID_CODE) 671 return STATUS_FAIL; 672 673 /* Search CIS block */ 674 for (i = 0; i < 24; i++) { 675 u32 page_addr; 676 677 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) 678 return STATUS_FAIL; 679 680 page_addr = (u32)i << xd_card->block_shift; 681 682 for (j = 0; j < 3; j++) { 683 retval = xd_read_redundant(chip, page_addr, redunt, 11); 684 if (retval == STATUS_SUCCESS) 685 break; 686 } 687 if (j == 3) 688 continue; 689 690 if (redunt[BLOCK_STATUS] != XD_GBLK) 691 continue; 692 693 j = 0; 694 if (redunt[PAGE_STATUS] != XD_GPG) { 695 for (j = 1; j <= 8; j++) { 696 retval = xd_read_redundant(chip, page_addr + j, 697 redunt, 11); 698 if (retval == STATUS_SUCCESS) { 699 if (redunt[PAGE_STATUS] == XD_GPG) 700 break; 701 } 702 } 703 704 if (j == 9) 705 break; 706 } 707 708 /* Check CIS data */ 709 if (redunt[BLOCK_STATUS] == XD_GBLK && 710 (redunt[PARITY] & XD_BA1_ALL0)) { 711 u8 buf[10]; 712 713 page_addr += j; 714 715 retval = xd_read_cis(chip, page_addr, buf, 10); 716 if (retval != STATUS_SUCCESS) 717 return STATUS_FAIL; 718 719 if (buf[0] == 0x01 && buf[1] == 0x03 && 720 buf[2] == 0xD9 && 721 buf[3] == 0x01 && buf[4] == 0xFF && 722 buf[5] == 0x18 && buf[6] == 0x02 && 723 buf[7] == 0xDF && buf[8] == 0x01 && 724 buf[9] == 0x20) { 725 xd_card->cis_block = (u16)i; 726 } 727 } 728 729 break; 730 } 731 732 dev_dbg(rtsx_dev(chip), "CIS block: 0x%x\n", xd_card->cis_block); 733 if (xd_card->cis_block == 0xFFFF) 734 return STATUS_FAIL; 735 736 chip->capacity[chip->card2lun[XD_CARD]] = xd_card->capacity; 737 738 return STATUS_SUCCESS; 739 } 740 741 static int xd_check_data_blank(u8 *redunt) 742 { 743 int i; 744 745 for (i = 0; i < 6; i++) { 746 if (redunt[PAGE_STATUS + i] != 0xFF) 747 return 0; 748 } 749 750 if ((redunt[PARITY] & (XD_ECC1_ALL1 | XD_ECC2_ALL1)) 751 != (XD_ECC1_ALL1 | XD_ECC2_ALL1)) 752 return 0; 753 754 for (i = 0; i < 4; i++) { 755 if (redunt[RESERVED0 + i] != 0xFF) 756 return 0; 757 } 758 759 return 1; 760 } 761 762 static u16 xd_load_log_block_addr(u8 *redunt) 763 { 764 u16 addr = 0xFFFF; 765 766 if (redunt[PARITY] & XD_BA1_BA2_EQL) 767 addr = ((u16)redunt[BLOCK_ADDR1_H] << 8) | 768 redunt[BLOCK_ADDR1_L]; 769 else if (redunt[PARITY] & XD_BA1_VALID) 770 addr = ((u16)redunt[BLOCK_ADDR1_H] << 8) | 771 redunt[BLOCK_ADDR1_L]; 772 else if (redunt[PARITY] & XD_BA2_VALID) 773 addr = ((u16)redunt[BLOCK_ADDR2_H] << 8) | 774 redunt[BLOCK_ADDR2_L]; 775 776 return addr; 777 } 778 779 static int xd_init_l2p_tbl(struct rtsx_chip *chip) 780 { 781 struct xd_info *xd_card = &chip->xd_card; 782 int size, i; 783 784 dev_dbg(rtsx_dev(chip), "%s: zone_cnt = %d\n", __func__, 785 xd_card->zone_cnt); 786 787 if (xd_card->zone_cnt < 1) 788 return STATUS_FAIL; 789 790 size = xd_card->zone_cnt * sizeof(struct zone_entry); 791 dev_dbg(rtsx_dev(chip), "Buffer size for l2p table is %d\n", size); 792 793 xd_card->zone = vmalloc(size); 794 if (!xd_card->zone) 795 return STATUS_ERROR; 796 797 for (i = 0; i < xd_card->zone_cnt; i++) { 798 xd_card->zone[i].build_flag = 0; 799 xd_card->zone[i].l2p_table = NULL; 800 xd_card->zone[i].free_table = NULL; 801 xd_card->zone[i].get_index = 0; 802 xd_card->zone[i].set_index = 0; 803 xd_card->zone[i].unused_blk_cnt = 0; 804 } 805 806 return STATUS_SUCCESS; 807 } 808 809 static inline void free_zone(struct zone_entry *zone) 810 { 811 if (!zone) 812 return; 813 814 zone->build_flag = 0; 815 zone->set_index = 0; 816 zone->get_index = 0; 817 zone->unused_blk_cnt = 0; 818 vfree(zone->l2p_table); 819 zone->l2p_table = NULL; 820 vfree(zone->free_table); 821 zone->free_table = NULL; 822 } 823 824 static void xd_set_unused_block(struct rtsx_chip *chip, u32 phy_blk) 825 { 826 struct xd_info *xd_card = &chip->xd_card; 827 struct zone_entry *zone; 828 int zone_no; 829 830 zone_no = (int)phy_blk >> 10; 831 if (zone_no >= xd_card->zone_cnt) { 832 dev_dbg(rtsx_dev(chip), "Set unused block to invalid zone (zone_no = %d, zone_cnt = %d)\n", 833 zone_no, xd_card->zone_cnt); 834 return; 835 } 836 zone = &xd_card->zone[zone_no]; 837 838 if (!zone->free_table) { 839 if (xd_build_l2p_tbl(chip, zone_no) != STATUS_SUCCESS) 840 return; 841 } 842 843 if (zone->set_index >= XD_FREE_TABLE_CNT || 844 zone->set_index < 0) { 845 free_zone(zone); 846 dev_dbg(rtsx_dev(chip), "Set unused block fail, invalid set_index\n"); 847 return; 848 } 849 850 dev_dbg(rtsx_dev(chip), "Set unused block to index %d\n", 851 zone->set_index); 852 853 zone->free_table[zone->set_index++] = (u16)(phy_blk & 0x3ff); 854 if (zone->set_index >= XD_FREE_TABLE_CNT) 855 zone->set_index = 0; 856 zone->unused_blk_cnt++; 857 } 858 859 static u32 xd_get_unused_block(struct rtsx_chip *chip, int zone_no) 860 { 861 struct xd_info *xd_card = &chip->xd_card; 862 struct zone_entry *zone; 863 u32 phy_blk; 864 865 if (zone_no >= xd_card->zone_cnt) { 866 dev_dbg(rtsx_dev(chip), "Get unused block from invalid zone (zone_no = %d, zone_cnt = %d)\n", 867 zone_no, xd_card->zone_cnt); 868 return BLK_NOT_FOUND; 869 } 870 zone = &xd_card->zone[zone_no]; 871 872 if (zone->unused_blk_cnt == 0 || 873 zone->set_index == zone->get_index) { 874 free_zone(zone); 875 dev_dbg(rtsx_dev(chip), "Get unused block fail, no unused block available\n"); 876 return BLK_NOT_FOUND; 877 } 878 if (zone->get_index >= XD_FREE_TABLE_CNT || zone->get_index < 0) { 879 free_zone(zone); 880 dev_dbg(rtsx_dev(chip), "Get unused block fail, invalid get_index\n"); 881 return BLK_NOT_FOUND; 882 } 883 884 dev_dbg(rtsx_dev(chip), "Get unused block from index %d\n", 885 zone->get_index); 886 887 phy_blk = zone->free_table[zone->get_index]; 888 zone->free_table[zone->get_index++] = 0xFFFF; 889 if (zone->get_index >= XD_FREE_TABLE_CNT) 890 zone->get_index = 0; 891 zone->unused_blk_cnt--; 892 893 phy_blk += ((u32)(zone_no) << 10); 894 return phy_blk; 895 } 896 897 static void xd_set_l2p_tbl(struct rtsx_chip *chip, 898 int zone_no, u16 log_off, u16 phy_off) 899 { 900 struct xd_info *xd_card = &chip->xd_card; 901 struct zone_entry *zone; 902 903 zone = &xd_card->zone[zone_no]; 904 zone->l2p_table[log_off] = phy_off; 905 } 906 907 static u32 xd_get_l2p_tbl(struct rtsx_chip *chip, int zone_no, u16 log_off) 908 { 909 struct xd_info *xd_card = &chip->xd_card; 910 struct zone_entry *zone; 911 int retval; 912 913 zone = &xd_card->zone[zone_no]; 914 if (zone->l2p_table[log_off] == 0xFFFF) { 915 u32 phy_blk = 0; 916 int i; 917 918 #ifdef XD_DELAY_WRITE 919 retval = xd_delay_write(chip); 920 if (retval != STATUS_SUCCESS) { 921 dev_dbg(rtsx_dev(chip), "In %s, delay write fail!\n", 922 __func__); 923 return BLK_NOT_FOUND; 924 } 925 #endif 926 927 if (zone->unused_blk_cnt <= 0) { 928 dev_dbg(rtsx_dev(chip), "No unused block!\n"); 929 return BLK_NOT_FOUND; 930 } 931 932 for (i = 0; i < zone->unused_blk_cnt; i++) { 933 phy_blk = xd_get_unused_block(chip, zone_no); 934 if (phy_blk == BLK_NOT_FOUND) { 935 dev_dbg(rtsx_dev(chip), "No unused block available!\n"); 936 return BLK_NOT_FOUND; 937 } 938 939 retval = xd_init_page(chip, phy_blk, log_off, 940 0, xd_card->page_off + 1); 941 if (retval == STATUS_SUCCESS) 942 break; 943 } 944 if (i >= zone->unused_blk_cnt) { 945 dev_dbg(rtsx_dev(chip), "No good unused block available!\n"); 946 return BLK_NOT_FOUND; 947 } 948 949 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(phy_blk & 0x3FF)); 950 return phy_blk; 951 } 952 953 return (u32)zone->l2p_table[log_off] + ((u32)(zone_no) << 10); 954 } 955 956 int reset_xd_card(struct rtsx_chip *chip) 957 { 958 struct xd_info *xd_card = &chip->xd_card; 959 int retval; 960 961 memset(xd_card, 0, sizeof(struct xd_info)); 962 963 xd_card->block_shift = 0; 964 xd_card->page_off = 0; 965 xd_card->addr_cycle = 0; 966 xd_card->capacity = 0; 967 xd_card->zone_cnt = 0; 968 xd_card->cis_block = 0xFFFF; 969 xd_card->delay_write.delay_write_flag = 0; 970 971 retval = enable_card_clock(chip, XD_CARD); 972 if (retval != STATUS_SUCCESS) 973 return STATUS_FAIL; 974 975 retval = reset_xd(chip); 976 if (retval != STATUS_SUCCESS) 977 return STATUS_FAIL; 978 979 retval = xd_init_l2p_tbl(chip); 980 if (retval != STATUS_SUCCESS) 981 return STATUS_FAIL; 982 983 return STATUS_SUCCESS; 984 } 985 986 static int xd_mark_bad_block(struct rtsx_chip *chip, u32 phy_blk) 987 { 988 struct xd_info *xd_card = &chip->xd_card; 989 int retval; 990 u32 page_addr; 991 u8 reg = 0; 992 993 dev_dbg(rtsx_dev(chip), "mark block 0x%x as bad block\n", phy_blk); 994 995 if (phy_blk == BLK_NOT_FOUND) 996 return STATUS_FAIL; 997 998 rtsx_init_cmd(chip); 999 1000 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG); 1001 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, XD_LATER_BBLK); 1002 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF, 0xFF); 1003 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, 0xFF); 1004 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_H, 0xFF, 0xFF); 1005 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_L, 0xFF, 0xFF); 1006 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED0, 0xFF, 0xFF); 1007 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED1, 0xFF, 0xFF); 1008 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED2, 0xFF, 0xFF); 1009 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED3, 0xFF, 0xFF); 1010 1011 page_addr = phy_blk << xd_card->block_shift; 1012 1013 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR); 1014 1015 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1016 xd_card->page_off + 1); 1017 1018 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, 1019 XD_TRANSFER_START | XD_WRITE_REDUNDANT); 1020 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, 1021 XD_TRANSFER_END, XD_TRANSFER_END); 1022 1023 retval = rtsx_send_cmd(chip, XD_CARD, 500); 1024 if (retval < 0) { 1025 rtsx_clear_xd_error(chip); 1026 rtsx_read_register(chip, XD_DAT, ®); 1027 if (reg & PROGRAM_ERROR) 1028 xd_set_err_code(chip, XD_PRG_ERROR); 1029 else 1030 xd_set_err_code(chip, XD_TO_ERROR); 1031 return STATUS_FAIL; 1032 } 1033 1034 return STATUS_SUCCESS; 1035 } 1036 1037 static int xd_init_page(struct rtsx_chip *chip, u32 phy_blk, 1038 u16 logoff, u8 start_page, u8 end_page) 1039 { 1040 struct xd_info *xd_card = &chip->xd_card; 1041 int retval; 1042 u32 page_addr; 1043 u8 reg = 0; 1044 1045 dev_dbg(rtsx_dev(chip), "Init block 0x%x\n", phy_blk); 1046 1047 if (start_page > end_page) 1048 return STATUS_FAIL; 1049 if (phy_blk == BLK_NOT_FOUND) 1050 return STATUS_FAIL; 1051 1052 rtsx_init_cmd(chip); 1053 1054 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, 0xFF); 1055 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, 0xFF); 1056 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 1057 0xFF, (u8)(logoff >> 8)); 1058 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, (u8)logoff); 1059 1060 page_addr = (phy_blk << xd_card->block_shift) + start_page; 1061 1062 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR); 1063 1064 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 1065 XD_BA_TRANSFORM, XD_BA_TRANSFORM); 1066 1067 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 1068 0xFF, (end_page - start_page)); 1069 1070 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 1071 0xFF, XD_TRANSFER_START | XD_WRITE_REDUNDANT); 1072 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, 1073 XD_TRANSFER_END, XD_TRANSFER_END); 1074 1075 retval = rtsx_send_cmd(chip, XD_CARD, 500); 1076 if (retval < 0) { 1077 rtsx_clear_xd_error(chip); 1078 rtsx_read_register(chip, XD_DAT, ®); 1079 if (reg & PROGRAM_ERROR) { 1080 xd_mark_bad_block(chip, phy_blk); 1081 xd_set_err_code(chip, XD_PRG_ERROR); 1082 } else { 1083 xd_set_err_code(chip, XD_TO_ERROR); 1084 } 1085 return STATUS_FAIL; 1086 } 1087 1088 return STATUS_SUCCESS; 1089 } 1090 1091 static int xd_copy_page(struct rtsx_chip *chip, u32 old_blk, u32 new_blk, 1092 u8 start_page, u8 end_page) 1093 { 1094 struct xd_info *xd_card = &chip->xd_card; 1095 u32 old_page, new_page; 1096 u8 i, reg = 0; 1097 int retval; 1098 1099 dev_dbg(rtsx_dev(chip), "Copy page from block 0x%x to block 0x%x\n", 1100 old_blk, new_blk); 1101 1102 if (start_page > end_page) 1103 return STATUS_FAIL; 1104 1105 if (old_blk == BLK_NOT_FOUND || new_blk == BLK_NOT_FOUND) 1106 return STATUS_FAIL; 1107 1108 old_page = (old_blk << xd_card->block_shift) + start_page; 1109 new_page = (new_blk << xd_card->block_shift) + start_page; 1110 1111 XD_CLR_BAD_NEWBLK(xd_card); 1112 1113 retval = rtsx_write_register(chip, CARD_DATA_SOURCE, 0x01, 1114 PINGPONG_BUFFER); 1115 if (retval) 1116 return retval; 1117 1118 for (i = start_page; i < end_page; i++) { 1119 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) { 1120 rtsx_clear_xd_error(chip); 1121 xd_set_err_code(chip, XD_NO_CARD); 1122 return STATUS_FAIL; 1123 } 1124 1125 rtsx_init_cmd(chip); 1126 1127 xd_assign_phy_addr(chip, old_page, XD_RW_ADDR); 1128 1129 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1); 1130 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, 1131 XD_AUTO_CHK_DATA_STATUS, 0); 1132 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, 1133 XD_TRANSFER_START | XD_READ_PAGES); 1134 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, 1135 XD_TRANSFER_END, XD_TRANSFER_END); 1136 1137 retval = rtsx_send_cmd(chip, XD_CARD, 500); 1138 if (retval < 0) { 1139 rtsx_clear_xd_error(chip); 1140 reg = 0; 1141 rtsx_read_register(chip, XD_CTL, ®); 1142 if (reg & (XD_ECC1_ERROR | XD_ECC2_ERROR)) { 1143 mdelay(100); 1144 1145 if (detect_card_cd(chip, 1146 XD_CARD) != STATUS_SUCCESS) { 1147 xd_set_err_code(chip, XD_NO_CARD); 1148 return STATUS_FAIL; 1149 } 1150 1151 if (((reg & XD_ECC1_ERROR) && 1152 (reg & XD_ECC1_UNCORRECTABLE)) || 1153 ((reg & XD_ECC2_ERROR) && 1154 (reg & XD_ECC2_UNCORRECTABLE))) { 1155 rtsx_write_register(chip, 1156 XD_PAGE_STATUS, 1157 0xFF, 1158 XD_BPG); 1159 rtsx_write_register(chip, 1160 XD_BLOCK_STATUS, 1161 0xFF, 1162 XD_GBLK); 1163 XD_SET_BAD_OLDBLK(xd_card); 1164 dev_dbg(rtsx_dev(chip), "old block 0x%x ecc error\n", 1165 old_blk); 1166 } 1167 } else { 1168 xd_set_err_code(chip, XD_TO_ERROR); 1169 return STATUS_FAIL; 1170 } 1171 } 1172 1173 if (XD_CHK_BAD_OLDBLK(xd_card)) 1174 rtsx_clear_xd_error(chip); 1175 1176 rtsx_init_cmd(chip); 1177 1178 xd_assign_phy_addr(chip, new_page, XD_RW_ADDR); 1179 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1); 1180 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, 1181 XD_TRANSFER_START | XD_WRITE_PAGES); 1182 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, 1183 XD_TRANSFER_END, XD_TRANSFER_END); 1184 1185 retval = rtsx_send_cmd(chip, XD_CARD, 300); 1186 if (retval < 0) { 1187 rtsx_clear_xd_error(chip); 1188 reg = 0; 1189 rtsx_read_register(chip, XD_DAT, ®); 1190 if (reg & PROGRAM_ERROR) { 1191 xd_mark_bad_block(chip, new_blk); 1192 xd_set_err_code(chip, XD_PRG_ERROR); 1193 XD_SET_BAD_NEWBLK(xd_card); 1194 } else { 1195 xd_set_err_code(chip, XD_TO_ERROR); 1196 } 1197 return STATUS_FAIL; 1198 } 1199 1200 old_page++; 1201 new_page++; 1202 } 1203 1204 return STATUS_SUCCESS; 1205 } 1206 1207 static int xd_reset_cmd(struct rtsx_chip *chip) 1208 { 1209 int retval; 1210 u8 *ptr; 1211 1212 rtsx_init_cmd(chip); 1213 1214 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 1215 0xFF, XD_TRANSFER_START | XD_RESET); 1216 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, 1217 XD_TRANSFER_END, XD_TRANSFER_END); 1218 rtsx_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0); 1219 rtsx_add_cmd(chip, READ_REG_CMD, XD_CTL, 0, 0); 1220 1221 retval = rtsx_send_cmd(chip, XD_CARD, 100); 1222 if (retval < 0) 1223 return STATUS_FAIL; 1224 1225 ptr = rtsx_get_cmd_data(chip) + 1; 1226 if (((ptr[0] & READY_FLAG) == READY_STATE) && (ptr[1] & XD_RDY)) 1227 return STATUS_SUCCESS; 1228 1229 return STATUS_FAIL; 1230 } 1231 1232 static int xd_erase_block(struct rtsx_chip *chip, u32 phy_blk) 1233 { 1234 struct xd_info *xd_card = &chip->xd_card; 1235 u32 page_addr; 1236 u8 reg = 0, *ptr; 1237 int i, retval; 1238 1239 if (phy_blk == BLK_NOT_FOUND) 1240 return STATUS_FAIL; 1241 1242 page_addr = phy_blk << xd_card->block_shift; 1243 1244 for (i = 0; i < 3; i++) { 1245 rtsx_init_cmd(chip); 1246 1247 xd_assign_phy_addr(chip, page_addr, XD_ERASE_ADDR); 1248 1249 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, 1250 XD_TRANSFER_START | XD_ERASE); 1251 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, 1252 XD_TRANSFER_END, XD_TRANSFER_END); 1253 rtsx_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0); 1254 1255 retval = rtsx_send_cmd(chip, XD_CARD, 250); 1256 if (retval < 0) { 1257 rtsx_clear_xd_error(chip); 1258 rtsx_read_register(chip, XD_DAT, ®); 1259 if (reg & PROGRAM_ERROR) { 1260 xd_mark_bad_block(chip, phy_blk); 1261 xd_set_err_code(chip, XD_PRG_ERROR); 1262 return STATUS_FAIL; 1263 } 1264 xd_set_err_code(chip, XD_ERASE_FAIL); 1265 retval = xd_reset_cmd(chip); 1266 if (retval != STATUS_SUCCESS) 1267 return STATUS_FAIL; 1268 continue; 1269 } 1270 1271 ptr = rtsx_get_cmd_data(chip) + 1; 1272 if (*ptr & PROGRAM_ERROR) { 1273 xd_mark_bad_block(chip, phy_blk); 1274 xd_set_err_code(chip, XD_PRG_ERROR); 1275 return STATUS_FAIL; 1276 } 1277 1278 return STATUS_SUCCESS; 1279 } 1280 1281 xd_mark_bad_block(chip, phy_blk); 1282 xd_set_err_code(chip, XD_ERASE_FAIL); 1283 return STATUS_FAIL; 1284 } 1285 1286 static int xd_build_l2p_tbl(struct rtsx_chip *chip, int zone_no) 1287 { 1288 struct xd_info *xd_card = &chip->xd_card; 1289 struct zone_entry *zone; 1290 int retval; 1291 u32 start, end, i; 1292 u16 max_logoff, cur_fst_page_logoff; 1293 u16 cur_lst_page_logoff, ent_lst_page_logoff; 1294 u8 redunt[11]; 1295 1296 dev_dbg(rtsx_dev(chip), "%s: %d\n", __func__, zone_no); 1297 1298 if (!xd_card->zone) { 1299 retval = xd_init_l2p_tbl(chip); 1300 if (retval != STATUS_SUCCESS) 1301 return retval; 1302 } 1303 1304 if (xd_card->zone[zone_no].build_flag) { 1305 dev_dbg(rtsx_dev(chip), "l2p table of zone %d has been built\n", 1306 zone_no); 1307 return STATUS_SUCCESS; 1308 } 1309 1310 zone = &xd_card->zone[zone_no]; 1311 1312 if (!zone->l2p_table) { 1313 zone->l2p_table = vmalloc(2000); 1314 if (!zone->l2p_table) 1315 goto build_fail; 1316 } 1317 memset((u8 *)(zone->l2p_table), 0xff, 2000); 1318 1319 if (!zone->free_table) { 1320 zone->free_table = vmalloc(XD_FREE_TABLE_CNT * 2); 1321 if (!zone->free_table) 1322 goto build_fail; 1323 } 1324 memset((u8 *)(zone->free_table), 0xff, XD_FREE_TABLE_CNT * 2); 1325 1326 if (zone_no == 0) { 1327 if (xd_card->cis_block == 0xFFFF) 1328 start = 0; 1329 else 1330 start = xd_card->cis_block + 1; 1331 if (XD_CHK_4MB(xd_card)) { 1332 end = 0x200; 1333 max_logoff = 499; 1334 } else { 1335 end = 0x400; 1336 max_logoff = 999; 1337 } 1338 } else { 1339 start = (u32)(zone_no) << 10; 1340 end = (u32)(zone_no + 1) << 10; 1341 max_logoff = 999; 1342 } 1343 1344 dev_dbg(rtsx_dev(chip), "start block 0x%x, end block 0x%x\n", 1345 start, end); 1346 1347 zone->set_index = 0; 1348 zone->get_index = 0; 1349 zone->unused_blk_cnt = 0; 1350 1351 for (i = start; i < end; i++) { 1352 u32 page_addr = i << xd_card->block_shift; 1353 u32 phy_block; 1354 1355 retval = xd_read_redundant(chip, page_addr, redunt, 11); 1356 if (retval != STATUS_SUCCESS) 1357 continue; 1358 1359 if (redunt[BLOCK_STATUS] != 0xFF) { 1360 dev_dbg(rtsx_dev(chip), "bad block\n"); 1361 continue; 1362 } 1363 1364 if (xd_check_data_blank(redunt)) { 1365 dev_dbg(rtsx_dev(chip), "blank block\n"); 1366 xd_set_unused_block(chip, i); 1367 continue; 1368 } 1369 1370 cur_fst_page_logoff = xd_load_log_block_addr(redunt); 1371 if (cur_fst_page_logoff == 0xFFFF || 1372 cur_fst_page_logoff > max_logoff) { 1373 retval = xd_erase_block(chip, i); 1374 if (retval == STATUS_SUCCESS) 1375 xd_set_unused_block(chip, i); 1376 continue; 1377 } 1378 1379 if (zone_no == 0 && cur_fst_page_logoff == 0 && 1380 redunt[PAGE_STATUS] != XD_GPG) 1381 XD_SET_MBR_FAIL(xd_card); 1382 1383 if (zone->l2p_table[cur_fst_page_logoff] == 0xFFFF) { 1384 zone->l2p_table[cur_fst_page_logoff] = (u16)(i & 0x3FF); 1385 continue; 1386 } 1387 1388 phy_block = zone->l2p_table[cur_fst_page_logoff] + 1389 ((u32)((zone_no) << 10)); 1390 1391 page_addr = ((i + 1) << xd_card->block_shift) - 1; 1392 1393 retval = xd_read_redundant(chip, page_addr, redunt, 11); 1394 if (retval != STATUS_SUCCESS) 1395 continue; 1396 1397 cur_lst_page_logoff = xd_load_log_block_addr(redunt); 1398 if (cur_lst_page_logoff == cur_fst_page_logoff) { 1399 int m; 1400 1401 page_addr = ((phy_block + 1) << 1402 xd_card->block_shift) - 1; 1403 1404 for (m = 0; m < 3; m++) { 1405 retval = xd_read_redundant(chip, page_addr, 1406 redunt, 11); 1407 if (retval == STATUS_SUCCESS) 1408 break; 1409 } 1410 1411 if (m == 3) { 1412 zone->l2p_table[cur_fst_page_logoff] = 1413 (u16)(i & 0x3FF); 1414 retval = xd_erase_block(chip, phy_block); 1415 if (retval == STATUS_SUCCESS) 1416 xd_set_unused_block(chip, phy_block); 1417 continue; 1418 } 1419 1420 ent_lst_page_logoff = xd_load_log_block_addr(redunt); 1421 if (ent_lst_page_logoff != cur_fst_page_logoff) { 1422 zone->l2p_table[cur_fst_page_logoff] = 1423 (u16)(i & 0x3FF); 1424 retval = xd_erase_block(chip, phy_block); 1425 if (retval == STATUS_SUCCESS) 1426 xd_set_unused_block(chip, phy_block); 1427 continue; 1428 } else { 1429 retval = xd_erase_block(chip, i); 1430 if (retval == STATUS_SUCCESS) 1431 xd_set_unused_block(chip, i); 1432 } 1433 } else { 1434 retval = xd_erase_block(chip, i); 1435 if (retval == STATUS_SUCCESS) 1436 xd_set_unused_block(chip, i); 1437 } 1438 } 1439 1440 if (XD_CHK_4MB(xd_card)) 1441 end = 500; 1442 else 1443 end = 1000; 1444 1445 i = 0; 1446 for (start = 0; start < end; start++) { 1447 if (zone->l2p_table[start] == 0xFFFF) 1448 i++; 1449 } 1450 1451 dev_dbg(rtsx_dev(chip), "Block count %d, invalid L2P entry %d\n", 1452 end, i); 1453 dev_dbg(rtsx_dev(chip), "Total unused block: %d\n", 1454 zone->unused_blk_cnt); 1455 1456 if ((zone->unused_blk_cnt - i) < 1) 1457 chip->card_wp |= XD_CARD; 1458 1459 zone->build_flag = 1; 1460 1461 return STATUS_SUCCESS; 1462 1463 build_fail: 1464 vfree(zone->l2p_table); 1465 zone->l2p_table = NULL; 1466 vfree(zone->free_table); 1467 zone->free_table = NULL; 1468 1469 return STATUS_FAIL; 1470 } 1471 1472 static int xd_send_cmd(struct rtsx_chip *chip, u8 cmd) 1473 { 1474 int retval; 1475 1476 rtsx_init_cmd(chip); 1477 1478 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, cmd); 1479 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, 1480 XD_TRANSFER_START | XD_SET_CMD); 1481 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, 1482 XD_TRANSFER_END, XD_TRANSFER_END); 1483 1484 retval = rtsx_send_cmd(chip, XD_CARD, 200); 1485 if (retval < 0) 1486 return STATUS_FAIL; 1487 1488 return STATUS_SUCCESS; 1489 } 1490 1491 static int xd_read_multiple_pages(struct rtsx_chip *chip, u32 phy_blk, 1492 u32 log_blk, u8 start_page, u8 end_page, 1493 u8 *buf, unsigned int *index, 1494 unsigned int *offset) 1495 { 1496 struct xd_info *xd_card = &chip->xd_card; 1497 u32 page_addr, new_blk; 1498 u16 log_off; 1499 u8 reg_val, page_cnt; 1500 int zone_no, retval, i; 1501 1502 if (start_page > end_page) 1503 goto status_fail; 1504 1505 page_cnt = end_page - start_page; 1506 zone_no = (int)(log_blk / 1000); 1507 log_off = (u16)(log_blk % 1000); 1508 1509 if ((phy_blk & 0x3FF) == 0x3FF) { 1510 for (i = 0; i < 256; i++) { 1511 page_addr = ((u32)i) << xd_card->block_shift; 1512 1513 retval = xd_read_redundant(chip, page_addr, NULL, 0); 1514 if (retval == STATUS_SUCCESS) 1515 break; 1516 1517 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) { 1518 xd_set_err_code(chip, XD_NO_CARD); 1519 goto status_fail; 1520 } 1521 } 1522 } 1523 1524 page_addr = (phy_blk << xd_card->block_shift) + start_page; 1525 1526 rtsx_init_cmd(chip); 1527 1528 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR); 1529 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_PPB_TO_SIE, XD_PPB_TO_SIE); 1530 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER); 1531 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt); 1532 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, 1533 XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS); 1534 1535 trans_dma_enable(chip->srb->sc_data_direction, chip, 1536 page_cnt * 512, DMA_512); 1537 1538 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, 1539 XD_TRANSFER_START | XD_READ_PAGES); 1540 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, 1541 XD_TRANSFER_END | XD_PPB_EMPTY, 1542 XD_TRANSFER_END | XD_PPB_EMPTY); 1543 1544 rtsx_send_cmd_no_wait(chip); 1545 1546 retval = rtsx_transfer_data_partial(chip, XD_CARD, buf, page_cnt * 512, 1547 scsi_sg_count(chip->srb), 1548 index, offset, DMA_FROM_DEVICE, 1549 chip->xd_timeout); 1550 if (retval < 0) { 1551 rtsx_clear_xd_error(chip); 1552 1553 if (retval == -ETIMEDOUT) { 1554 xd_set_err_code(chip, XD_TO_ERROR); 1555 goto status_fail; 1556 } else { 1557 goto fail; 1558 } 1559 } 1560 1561 return STATUS_SUCCESS; 1562 1563 fail: 1564 retval = rtsx_read_register(chip, XD_PAGE_STATUS, ®_val); 1565 if (retval) 1566 return retval; 1567 1568 if (reg_val != XD_GPG) 1569 xd_set_err_code(chip, XD_PRG_ERROR); 1570 1571 retval = rtsx_read_register(chip, XD_CTL, ®_val); 1572 if (retval) 1573 return retval; 1574 1575 if (((reg_val & (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE)) == 1576 (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE)) || 1577 ((reg_val & (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE)) == 1578 (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))) { 1579 wait_timeout(100); 1580 1581 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) { 1582 xd_set_err_code(chip, XD_NO_CARD); 1583 goto status_fail; 1584 } 1585 1586 xd_set_err_code(chip, XD_ECC_ERROR); 1587 1588 new_blk = xd_get_unused_block(chip, zone_no); 1589 if (new_blk == NO_NEW_BLK) { 1590 XD_CLR_BAD_OLDBLK(xd_card); 1591 goto status_fail; 1592 } 1593 1594 retval = xd_copy_page(chip, phy_blk, new_blk, 0, 1595 xd_card->page_off + 1); 1596 if (retval != STATUS_SUCCESS) { 1597 if (!XD_CHK_BAD_NEWBLK(xd_card)) { 1598 retval = xd_erase_block(chip, new_blk); 1599 if (retval == STATUS_SUCCESS) 1600 xd_set_unused_block(chip, new_blk); 1601 } else { 1602 XD_CLR_BAD_NEWBLK(xd_card); 1603 } 1604 XD_CLR_BAD_OLDBLK(xd_card); 1605 goto status_fail; 1606 } 1607 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF)); 1608 xd_erase_block(chip, phy_blk); 1609 xd_mark_bad_block(chip, phy_blk); 1610 XD_CLR_BAD_OLDBLK(xd_card); 1611 } 1612 1613 status_fail: 1614 return STATUS_FAIL; 1615 } 1616 1617 static int xd_finish_write(struct rtsx_chip *chip, 1618 u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off) 1619 { 1620 struct xd_info *xd_card = &chip->xd_card; 1621 int retval, zone_no; 1622 u16 log_off; 1623 1624 dev_dbg(rtsx_dev(chip), "old_blk = 0x%x, ", old_blk); 1625 dev_dbg(rtsx_dev(chip), "new_blk = 0x%x, ", new_blk); 1626 dev_dbg(rtsx_dev(chip), "log_blk = 0x%x\n", log_blk); 1627 1628 if (page_off > xd_card->page_off) 1629 return STATUS_FAIL; 1630 1631 zone_no = (int)(log_blk / 1000); 1632 log_off = (u16)(log_blk % 1000); 1633 1634 if (old_blk == BLK_NOT_FOUND) { 1635 retval = xd_init_page(chip, new_blk, log_off, 1636 page_off, xd_card->page_off + 1); 1637 if (retval != STATUS_SUCCESS) { 1638 retval = xd_erase_block(chip, new_blk); 1639 if (retval == STATUS_SUCCESS) 1640 xd_set_unused_block(chip, new_blk); 1641 return STATUS_FAIL; 1642 } 1643 } else { 1644 retval = xd_copy_page(chip, old_blk, new_blk, 1645 page_off, xd_card->page_off + 1); 1646 if (retval != STATUS_SUCCESS) { 1647 if (!XD_CHK_BAD_NEWBLK(xd_card)) { 1648 retval = xd_erase_block(chip, new_blk); 1649 if (retval == STATUS_SUCCESS) 1650 xd_set_unused_block(chip, new_blk); 1651 } 1652 XD_CLR_BAD_NEWBLK(xd_card); 1653 return STATUS_FAIL; 1654 } 1655 1656 retval = xd_erase_block(chip, old_blk); 1657 if (retval == STATUS_SUCCESS) { 1658 if (XD_CHK_BAD_OLDBLK(xd_card)) { 1659 xd_mark_bad_block(chip, old_blk); 1660 XD_CLR_BAD_OLDBLK(xd_card); 1661 } else { 1662 xd_set_unused_block(chip, old_blk); 1663 } 1664 } else { 1665 xd_set_err_code(chip, XD_NO_ERROR); 1666 XD_CLR_BAD_OLDBLK(xd_card); 1667 } 1668 } 1669 1670 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF)); 1671 1672 return STATUS_SUCCESS; 1673 } 1674 1675 static int xd_prepare_write(struct rtsx_chip *chip, 1676 u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off) 1677 { 1678 int retval; 1679 1680 dev_dbg(rtsx_dev(chip), "%s, old_blk = 0x%x, new_blk = 0x%x, log_blk = 0x%x, page_off = %d\n", 1681 __func__, old_blk, new_blk, log_blk, (int)page_off); 1682 1683 if (page_off) { 1684 retval = xd_copy_page(chip, old_blk, new_blk, 0, page_off); 1685 if (retval != STATUS_SUCCESS) 1686 return STATUS_FAIL; 1687 } 1688 1689 return STATUS_SUCCESS; 1690 } 1691 1692 static int xd_write_multiple_pages(struct rtsx_chip *chip, u32 old_blk, 1693 u32 new_blk, u32 log_blk, u8 start_page, 1694 u8 end_page, u8 *buf, unsigned int *index, 1695 unsigned int *offset) 1696 { 1697 struct xd_info *xd_card = &chip->xd_card; 1698 u32 page_addr; 1699 int zone_no, retval; 1700 u16 log_off; 1701 u8 page_cnt, reg_val; 1702 1703 dev_dbg(rtsx_dev(chip), "%s, old_blk = 0x%x, new_blk = 0x%x, log_blk = 0x%x\n", 1704 __func__, old_blk, new_blk, log_blk); 1705 1706 if (start_page > end_page) 1707 goto status_fail; 1708 1709 page_cnt = end_page - start_page; 1710 zone_no = (int)(log_blk / 1000); 1711 log_off = (u16)(log_blk % 1000); 1712 1713 page_addr = (new_blk << xd_card->block_shift) + start_page; 1714 1715 retval = xd_send_cmd(chip, READ1_1); 1716 if (retval != STATUS_SUCCESS) 1717 goto status_fail; 1718 1719 rtsx_init_cmd(chip); 1720 1721 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 1722 0xFF, (u8)(log_off >> 8)); 1723 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, (u8)log_off); 1724 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, XD_GBLK); 1725 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG); 1726 1727 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR); 1728 1729 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_BA_TRANSFORM, 1730 XD_BA_TRANSFORM); 1731 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt); 1732 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER); 1733 1734 trans_dma_enable(chip->srb->sc_data_direction, chip, 1735 page_cnt * 512, DMA_512); 1736 1737 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 1738 0xFF, XD_TRANSFER_START | XD_WRITE_PAGES); 1739 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, 1740 XD_TRANSFER_END, XD_TRANSFER_END); 1741 1742 rtsx_send_cmd_no_wait(chip); 1743 1744 retval = rtsx_transfer_data_partial(chip, XD_CARD, buf, page_cnt * 512, 1745 scsi_sg_count(chip->srb), 1746 index, offset, DMA_TO_DEVICE, chip->xd_timeout); 1747 if (retval < 0) { 1748 rtsx_clear_xd_error(chip); 1749 1750 if (retval == -ETIMEDOUT) { 1751 xd_set_err_code(chip, XD_TO_ERROR); 1752 goto status_fail; 1753 } else { 1754 goto fail; 1755 } 1756 } 1757 1758 if (end_page == (xd_card->page_off + 1)) { 1759 xd_card->delay_write.delay_write_flag = 0; 1760 1761 if (old_blk != BLK_NOT_FOUND) { 1762 retval = xd_erase_block(chip, old_blk); 1763 if (retval == STATUS_SUCCESS) { 1764 if (XD_CHK_BAD_OLDBLK(xd_card)) { 1765 xd_mark_bad_block(chip, old_blk); 1766 XD_CLR_BAD_OLDBLK(xd_card); 1767 } else { 1768 xd_set_unused_block(chip, old_blk); 1769 } 1770 } else { 1771 xd_set_err_code(chip, XD_NO_ERROR); 1772 XD_CLR_BAD_OLDBLK(xd_card); 1773 } 1774 } 1775 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF)); 1776 } 1777 1778 return STATUS_SUCCESS; 1779 1780 fail: 1781 retval = rtsx_read_register(chip, XD_DAT, ®_val); 1782 if (retval) 1783 return retval; 1784 if (reg_val & PROGRAM_ERROR) { 1785 xd_set_err_code(chip, XD_PRG_ERROR); 1786 xd_mark_bad_block(chip, new_blk); 1787 } 1788 1789 status_fail: 1790 return STATUS_FAIL; 1791 } 1792 1793 #ifdef XD_DELAY_WRITE 1794 int xd_delay_write(struct rtsx_chip *chip) 1795 { 1796 struct xd_info *xd_card = &chip->xd_card; 1797 struct xd_delay_write_tag *delay_write = &xd_card->delay_write; 1798 int retval; 1799 1800 if (delay_write->delay_write_flag) { 1801 retval = xd_switch_clock(chip); 1802 if (retval != STATUS_SUCCESS) 1803 return STATUS_FAIL; 1804 1805 delay_write->delay_write_flag = 0; 1806 retval = xd_finish_write(chip, 1807 delay_write->old_phyblock, 1808 delay_write->new_phyblock, 1809 delay_write->logblock, 1810 delay_write->pageoff); 1811 if (retval != STATUS_SUCCESS) 1812 return STATUS_FAIL; 1813 } 1814 1815 return STATUS_SUCCESS; 1816 } 1817 #endif 1818 1819 int xd_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip, 1820 u32 start_sector, u16 sector_cnt) 1821 { 1822 struct xd_info *xd_card = &chip->xd_card; 1823 unsigned int lun = SCSI_LUN(srb); 1824 #ifdef XD_DELAY_WRITE 1825 struct xd_delay_write_tag *delay_write = &xd_card->delay_write; 1826 #endif 1827 int retval, zone_no; 1828 unsigned int index = 0, offset = 0; 1829 u32 log_blk, old_blk = 0, new_blk = 0; 1830 u16 log_off, total_sec_cnt = sector_cnt; 1831 u8 start_page, end_page = 0, page_cnt; 1832 u8 *ptr; 1833 1834 xd_set_err_code(chip, XD_NO_ERROR); 1835 1836 xd_card->cleanup_counter = 0; 1837 1838 dev_dbg(rtsx_dev(chip), "%s: scsi_sg_count = %d\n", __func__, 1839 scsi_sg_count(srb)); 1840 1841 ptr = (u8 *)scsi_sglist(srb); 1842 1843 retval = xd_switch_clock(chip); 1844 if (retval != STATUS_SUCCESS) 1845 return STATUS_FAIL; 1846 1847 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) { 1848 chip->card_fail |= XD_CARD; 1849 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); 1850 return STATUS_FAIL; 1851 } 1852 1853 log_blk = start_sector >> xd_card->block_shift; 1854 start_page = (u8)start_sector & xd_card->page_off; 1855 zone_no = (int)(log_blk / 1000); 1856 log_off = (u16)(log_blk % 1000); 1857 1858 if (xd_card->zone[zone_no].build_flag == 0) { 1859 retval = xd_build_l2p_tbl(chip, zone_no); 1860 if (retval != STATUS_SUCCESS) { 1861 chip->card_fail |= XD_CARD; 1862 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); 1863 return STATUS_FAIL; 1864 } 1865 } 1866 1867 if (srb->sc_data_direction == DMA_TO_DEVICE) { 1868 #ifdef XD_DELAY_WRITE 1869 if (delay_write->delay_write_flag && 1870 delay_write->logblock == log_blk && 1871 start_page > delay_write->pageoff) { 1872 delay_write->delay_write_flag = 0; 1873 if (delay_write->old_phyblock != BLK_NOT_FOUND) { 1874 retval = xd_copy_page(chip, 1875 delay_write->old_phyblock, 1876 delay_write->new_phyblock, 1877 delay_write->pageoff, 1878 start_page); 1879 if (retval != STATUS_SUCCESS) { 1880 set_sense_type(chip, lun, 1881 SENSE_TYPE_MEDIA_WRITE_ERR); 1882 return STATUS_FAIL; 1883 } 1884 } 1885 old_blk = delay_write->old_phyblock; 1886 new_blk = delay_write->new_phyblock; 1887 } else if (delay_write->delay_write_flag && 1888 (delay_write->logblock == log_blk) && 1889 (start_page == delay_write->pageoff)) { 1890 delay_write->delay_write_flag = 0; 1891 old_blk = delay_write->old_phyblock; 1892 new_blk = delay_write->new_phyblock; 1893 } else { 1894 retval = xd_delay_write(chip); 1895 if (retval != STATUS_SUCCESS) { 1896 set_sense_type(chip, lun, 1897 SENSE_TYPE_MEDIA_WRITE_ERR); 1898 return STATUS_FAIL; 1899 } 1900 #endif 1901 old_blk = xd_get_l2p_tbl(chip, zone_no, log_off); 1902 new_blk = xd_get_unused_block(chip, zone_no); 1903 if (old_blk == BLK_NOT_FOUND || 1904 new_blk == BLK_NOT_FOUND) { 1905 set_sense_type(chip, lun, 1906 SENSE_TYPE_MEDIA_WRITE_ERR); 1907 return STATUS_FAIL; 1908 } 1909 1910 retval = xd_prepare_write(chip, old_blk, new_blk, 1911 log_blk, start_page); 1912 if (retval != STATUS_SUCCESS) { 1913 if (detect_card_cd(chip, XD_CARD) != 1914 STATUS_SUCCESS) { 1915 set_sense_type(chip, lun, 1916 SENSE_TYPE_MEDIA_NOT_PRESENT); 1917 return STATUS_FAIL; 1918 } 1919 set_sense_type(chip, lun, 1920 SENSE_TYPE_MEDIA_WRITE_ERR); 1921 return STATUS_FAIL; 1922 } 1923 #ifdef XD_DELAY_WRITE 1924 } 1925 #endif 1926 } else { 1927 #ifdef XD_DELAY_WRITE 1928 retval = xd_delay_write(chip); 1929 if (retval != STATUS_SUCCESS) { 1930 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) { 1931 set_sense_type(chip, lun, 1932 SENSE_TYPE_MEDIA_NOT_PRESENT); 1933 return STATUS_FAIL; 1934 } 1935 set_sense_type(chip, lun, 1936 SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); 1937 return STATUS_FAIL; 1938 } 1939 #endif 1940 1941 old_blk = xd_get_l2p_tbl(chip, zone_no, log_off); 1942 if (old_blk == BLK_NOT_FOUND) { 1943 set_sense_type(chip, lun, 1944 SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); 1945 return STATUS_FAIL; 1946 } 1947 } 1948 1949 dev_dbg(rtsx_dev(chip), "old_blk = 0x%x\n", old_blk); 1950 1951 while (total_sec_cnt) { 1952 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) { 1953 chip->card_fail |= XD_CARD; 1954 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); 1955 return STATUS_FAIL; 1956 } 1957 1958 if ((start_page + total_sec_cnt) > (xd_card->page_off + 1)) 1959 end_page = xd_card->page_off + 1; 1960 else 1961 end_page = start_page + (u8)total_sec_cnt; 1962 1963 page_cnt = end_page - start_page; 1964 if (srb->sc_data_direction == DMA_FROM_DEVICE) { 1965 retval = xd_read_multiple_pages(chip, old_blk, log_blk, 1966 start_page, end_page, 1967 ptr, &index, &offset); 1968 if (retval != STATUS_SUCCESS) { 1969 set_sense_type(chip, lun, 1970 SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); 1971 return STATUS_FAIL; 1972 } 1973 } else { 1974 retval = xd_write_multiple_pages(chip, old_blk, 1975 new_blk, log_blk, 1976 start_page, end_page, 1977 ptr, &index, &offset); 1978 if (retval != STATUS_SUCCESS) { 1979 set_sense_type(chip, lun, 1980 SENSE_TYPE_MEDIA_WRITE_ERR); 1981 return STATUS_FAIL; 1982 } 1983 } 1984 1985 total_sec_cnt -= page_cnt; 1986 if (scsi_sg_count(srb) == 0) 1987 ptr += page_cnt * 512; 1988 1989 if (total_sec_cnt == 0) 1990 break; 1991 1992 log_blk++; 1993 zone_no = (int)(log_blk / 1000); 1994 log_off = (u16)(log_blk % 1000); 1995 1996 if (xd_card->zone[zone_no].build_flag == 0) { 1997 retval = xd_build_l2p_tbl(chip, zone_no); 1998 if (retval != STATUS_SUCCESS) { 1999 chip->card_fail |= XD_CARD; 2000 set_sense_type(chip, lun, 2001 SENSE_TYPE_MEDIA_NOT_PRESENT); 2002 return STATUS_FAIL; 2003 } 2004 } 2005 2006 old_blk = xd_get_l2p_tbl(chip, zone_no, log_off); 2007 if (old_blk == BLK_NOT_FOUND) { 2008 if (srb->sc_data_direction == DMA_FROM_DEVICE) 2009 set_sense_type(chip, lun, 2010 SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); 2011 else 2012 set_sense_type(chip, lun, 2013 SENSE_TYPE_MEDIA_WRITE_ERR); 2014 2015 return STATUS_FAIL; 2016 } 2017 2018 if (srb->sc_data_direction == DMA_TO_DEVICE) { 2019 new_blk = xd_get_unused_block(chip, zone_no); 2020 if (new_blk == BLK_NOT_FOUND) { 2021 set_sense_type(chip, lun, 2022 SENSE_TYPE_MEDIA_WRITE_ERR); 2023 return STATUS_FAIL; 2024 } 2025 } 2026 2027 start_page = 0; 2028 } 2029 2030 if (srb->sc_data_direction == DMA_TO_DEVICE && 2031 (end_page != (xd_card->page_off + 1))) { 2032 #ifdef XD_DELAY_WRITE 2033 delay_write->delay_write_flag = 1; 2034 delay_write->old_phyblock = old_blk; 2035 delay_write->new_phyblock = new_blk; 2036 delay_write->logblock = log_blk; 2037 delay_write->pageoff = end_page; 2038 #else 2039 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) { 2040 chip->card_fail |= XD_CARD; 2041 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); 2042 return STATUS_FAIL; 2043 } 2044 2045 retval = xd_finish_write(chip, old_blk, new_blk, 2046 log_blk, end_page); 2047 if (retval != STATUS_SUCCESS) { 2048 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) { 2049 set_sense_type(chip, lun, 2050 SENSE_TYPE_MEDIA_NOT_PRESENT); 2051 return STATUS_FAIL; 2052 } 2053 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); 2054 return STATUS_FAIL; 2055 } 2056 #endif 2057 } 2058 2059 scsi_set_resid(srb, 0); 2060 2061 return STATUS_SUCCESS; 2062 } 2063 2064 void xd_free_l2p_tbl(struct rtsx_chip *chip) 2065 { 2066 struct xd_info *xd_card = &chip->xd_card; 2067 int i = 0; 2068 2069 if (xd_card->zone) { 2070 for (i = 0; i < xd_card->zone_cnt; i++) { 2071 vfree(xd_card->zone[i].l2p_table); 2072 xd_card->zone[i].l2p_table = NULL; 2073 vfree(xd_card->zone[i].free_table); 2074 xd_card->zone[i].free_table = NULL; 2075 } 2076 vfree(xd_card->zone); 2077 xd_card->zone = NULL; 2078 } 2079 } 2080 2081 void xd_cleanup_work(struct rtsx_chip *chip) 2082 { 2083 #ifdef XD_DELAY_WRITE 2084 struct xd_info *xd_card = &chip->xd_card; 2085 2086 if (xd_card->delay_write.delay_write_flag) { 2087 dev_dbg(rtsx_dev(chip), "xD: delay write\n"); 2088 xd_delay_write(chip); 2089 xd_card->cleanup_counter = 0; 2090 } 2091 #endif 2092 } 2093 2094 int xd_power_off_card3v3(struct rtsx_chip *chip) 2095 { 2096 int retval; 2097 2098 retval = disable_card_clock(chip, XD_CARD); 2099 if (retval != STATUS_SUCCESS) 2100 return STATUS_FAIL; 2101 2102 retval = rtsx_write_register(chip, CARD_OE, XD_OUTPUT_EN, 0); 2103 if (retval) 2104 return retval; 2105 2106 if (!chip->ft2_fast_mode) { 2107 retval = card_power_off(chip, XD_CARD); 2108 if (retval != STATUS_SUCCESS) 2109 return STATUS_FAIL; 2110 2111 wait_timeout(50); 2112 } 2113 2114 if (chip->asic_code) { 2115 retval = xd_pull_ctl_disable(chip); 2116 if (retval != STATUS_SUCCESS) 2117 return STATUS_FAIL; 2118 } else { 2119 retval = rtsx_write_register(chip, FPGA_PULL_CTL, 0xFF, 0xDF); 2120 if (retval) 2121 return retval; 2122 } 2123 2124 return STATUS_SUCCESS; 2125 } 2126 2127 int release_xd_card(struct rtsx_chip *chip) 2128 { 2129 struct xd_info *xd_card = &chip->xd_card; 2130 int retval; 2131 2132 chip->card_ready &= ~XD_CARD; 2133 chip->card_fail &= ~XD_CARD; 2134 chip->card_wp &= ~XD_CARD; 2135 2136 xd_card->delay_write.delay_write_flag = 0; 2137 2138 xd_free_l2p_tbl(chip); 2139 2140 retval = xd_power_off_card3v3(chip); 2141 if (retval != STATUS_SUCCESS) 2142 return STATUS_FAIL; 2143 2144 return STATUS_SUCCESS; 2145 } 2146