kernel/drivers/staging/rts5208/xd.c

   1 /* Driver for Realtek PCI-Express card reader
   2  *
   3  * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2, or (at your option) any
   8  * later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, see <http://www.gnu.org/licenses/>.
  17  *
  18  * Author:
  19  *   Wei WANG (wei_wang@realsil.com.cn)
  20  *   Micky Ching (micky_ching@realsil.com.cn)
  21  */
  22
  23 #include <linux/blkdev.h>
  24 #include <linux/kthread.h>
  25 #include <linux/sched.h>
  26 #include <linux/vmalloc.h>
  27
  28 #include "rtsx.h"
  29 #include "rtsx_transport.h"
  30 #include "rtsx_scsi.h"
  31 #include "rtsx_card.h"
  32 #include "xd.h"
  33
  34 static int xd_build_l2p_tbl(struct rtsx_chip *chip, int zone_no);
  35 static int xd_init_page(struct rtsx_chip *chip, u32 phy_blk, u16 logoff,
  36                         u8 start_page, u8 end_page);
  37
  38 static inline void xd_set_err_code(struct rtsx_chip *chip, u8 err_code)
  39 {
  40         struct xd_info *xd_card = &(chip->xd_card);
  41
  42         xd_card->err_code = err_code;
  43 }
  44
  45 static inline int xd_check_err_code(struct rtsx_chip *chip, u8 err_code)
  46 {
  47         struct xd_info *xd_card = &(chip->xd_card);
  48
  49         return (xd_card->err_code == err_code);
  50 }
  51
  52 static int xd_set_init_para(struct rtsx_chip *chip)
  53 {
  54         struct xd_info *xd_card = &(chip->xd_card);
  55         int retval;
  56
  57         if (chip->asic_code)
  58                 xd_card->xd_clock = 47;
  59         else
  60                 xd_card->xd_clock = CLK_50;
  61
  62         retval = switch_clock(chip, xd_card->xd_clock);
  63         if (retval != STATUS_SUCCESS) {
  64                 rtsx_trace(chip);
  65                 return STATUS_FAIL;
  66         }
  67
  68         return STATUS_SUCCESS;
  69 }
  70
  71 static int xd_switch_clock(struct rtsx_chip *chip)
  72 {
  73         struct xd_info *xd_card = &(chip->xd_card);
  74         int retval;
  75
  76         retval = select_card(chip, XD_CARD);
  77         if (retval != STATUS_SUCCESS) {
  78                 rtsx_trace(chip);
  79                 return STATUS_FAIL;
  80         }
  81
  82         retval = switch_clock(chip, xd_card->xd_clock);
  83         if (retval != STATUS_SUCCESS) {
  84                 rtsx_trace(chip);
  85                 return STATUS_FAIL;
  86         }
  87
  88         return STATUS_SUCCESS;
  89 }
  90
  91 static int xd_read_id(struct rtsx_chip *chip, u8 id_cmd, u8 *id_buf, u8 buf_len)
  92 {
  93         int retval, i;
  94         u8 *ptr;
  95
  96         rtsx_init_cmd(chip);
  97
  98         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, id_cmd);
  99         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
 100                 XD_TRANSFER_START | XD_READ_ID);
 101         rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
 102                 XD_TRANSFER_END);
 103
 104         for (i = 0; i < 4; i++)
 105                 rtsx_add_cmd(chip, READ_REG_CMD, (u16)(XD_ADDRESS1 + i), 0, 0);
 106
 107         retval = rtsx_send_cmd(chip, XD_CARD, 20);
 108         if (retval < 0) {
 109                 rtsx_trace(chip);
 110                 return STATUS_FAIL;
 111         }
 112
 113         ptr = rtsx_get_cmd_data(chip) + 1;
 114         if (id_buf && buf_len) {
 115                 if (buf_len > 4)
 116                         buf_len = 4;
 117                 memcpy(id_buf, ptr, buf_len);
 118         }
 119
 120         return STATUS_SUCCESS;
 121 }
 122
 123 static void xd_assign_phy_addr(struct rtsx_chip *chip, u32 addr, u8 mode)
 124 {
 125         struct xd_info *xd_card = &(chip->xd_card);
 126
 127         switch (mode) {
 128         case XD_RW_ADDR:
 129                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS0, 0xFF, 0);
 130                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS1, 0xFF, (u8)addr);
 131                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS2,
 132                         0xFF, (u8)(addr >> 8));
 133                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS3,
 134                         0xFF, (u8)(addr >> 16));
 135                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 0xFF,
 136                         xd_card->addr_cycle | XD_CALC_ECC | XD_BA_NO_TRANSFORM);
 137                 break;
 138
 139         case XD_ERASE_ADDR:
 140                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS0, 0xFF, (u8)addr);
 141                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS1,
 142                         0xFF, (u8)(addr >> 8));
 143                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS2,
 144                         0xFF, (u8)(addr >> 16));
 145                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 0xFF,
 146                         (xd_card->addr_cycle - 1) | XD_CALC_ECC |
 147                         XD_BA_NO_TRANSFORM);
 148                 break;
 149
 150         default:
 151                 break;
 152         }
 153 }
 154
 155 static int xd_read_redundant(struct rtsx_chip *chip, u32 page_addr,
 156                         u8 *buf, int buf_len)
 157 {
 158         int retval, i;
 159
 160         rtsx_init_cmd(chip);
 161
 162         xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
 163
 164         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER,
 165                 0xFF, XD_TRANSFER_START | XD_READ_REDUNDANT);
 166         rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
 167                 XD_TRANSFER_END, XD_TRANSFER_END);
 168
 169         for (i = 0; i < 6; i++)
 170                 rtsx_add_cmd(chip, READ_REG_CMD, (u16)(XD_PAGE_STATUS + i),
 171                         0, 0);
 172         for (i = 0; i < 4; i++)
 173                 rtsx_add_cmd(chip, READ_REG_CMD, (u16)(XD_RESERVED0 + i),
 174                         0, 0);
 175         rtsx_add_cmd(chip, READ_REG_CMD, XD_PARITY, 0, 0);
 176
 177         retval = rtsx_send_cmd(chip, XD_CARD, 500);
 178         if (retval < 0) {
 179                 rtsx_trace(chip);
 180                 return STATUS_FAIL;
 181         }
 182
 183         if (buf && buf_len) {
 184                 u8 *ptr = rtsx_get_cmd_data(chip) + 1;
 185
 186                 if (buf_len > 11)
 187                         buf_len = 11;
 188                 memcpy(buf, ptr, buf_len);
 189         }
 190
 191         return STATUS_SUCCESS;
 192 }
 193
 194 static int xd_read_data_from_ppb(struct rtsx_chip *chip, int offset,
 195                                 u8 *buf, int buf_len)
 196 {
 197         int retval, i;
 198
 199         if (!buf || (buf_len < 0)) {
 200                 rtsx_trace(chip);
 201                 return STATUS_FAIL;
 202         }
 203
 204         rtsx_init_cmd(chip);
 205
 206         for (i = 0; i < buf_len; i++)
 207                 rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + offset + i,
 208                         0, 0);
 209
 210         retval = rtsx_send_cmd(chip, 0, 250);
 211         if (retval < 0) {
 212                 rtsx_clear_xd_error(chip);
 213                 rtsx_trace(chip);
 214                 return STATUS_FAIL;
 215         }
 216
 217         memcpy(buf, rtsx_get_cmd_data(chip), buf_len);
 218
 219         return STATUS_SUCCESS;
 220 }
 221
 222 static int xd_read_cis(struct rtsx_chip *chip, u32 page_addr, u8 *buf,
 223                 int buf_len)
 224 {
 225         int retval;
 226         u8 reg;
 227
 228         if (!buf || (buf_len < 10)) {
 229                 rtsx_trace(chip);
 230                 return STATUS_FAIL;
 231         }
 232
 233         rtsx_init_cmd(chip);
 234
 235         xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
 236
 237         rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE,
 238                 0x01, PINGPONG_BUFFER);
 239         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
 240         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
 241                 XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS);
 242
 243         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
 244                 XD_TRANSFER_START | XD_READ_PAGES);
 245         rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
 246                 XD_TRANSFER_END);
 247
 248         retval = rtsx_send_cmd(chip, XD_CARD, 250);
 249         if (retval == -ETIMEDOUT) {
 250                 rtsx_clear_xd_error(chip);
 251                 rtsx_trace(chip);
 252                 return STATUS_FAIL;
 253         }
 254
 255         retval = rtsx_read_register(chip, XD_PAGE_STATUS, &reg);
 256         if (retval) {
 257                 rtsx_trace(chip);
 258                 return retval;
 259         }
 260         if (reg != XD_GPG) {
 261                 rtsx_clear_xd_error(chip);
 262                 rtsx_trace(chip);
 263                 return STATUS_FAIL;
 264         }
 265
 266         retval = rtsx_read_register(chip, XD_CTL, &reg);
 267         if (retval) {
 268                 rtsx_trace(chip);
 269                 return retval;
 270         }
 271         if (!(reg & XD_ECC1_ERROR) || !(reg & XD_ECC1_UNCORRECTABLE)) {
 272                 retval = xd_read_data_from_ppb(chip, 0, buf, buf_len);
 273                 if (retval != STATUS_SUCCESS) {
 274                         rtsx_trace(chip);
 275                         return STATUS_FAIL;
 276                 }
 277                 if (reg & XD_ECC1_ERROR) {
 278                         u8 ecc_bit, ecc_byte;
 279
 280                         retval = rtsx_read_register(chip, XD_ECC_BIT1,
 281                                                     &ecc_bit);
 282                         if (retval) {
 283                                 rtsx_trace(chip);
 284                                 return retval;
 285                         }
 286                         retval = rtsx_read_register(chip, XD_ECC_BYTE1,
 287                                                     &ecc_byte);
 288                         if (retval) {
 289                                 rtsx_trace(chip);
 290                                 return retval;
 291                         }
 292
 293                         dev_dbg(rtsx_dev(chip), "ECC_BIT1 = 0x%x, ECC_BYTE1 = 0x%x\n",
 294                                 ecc_bit, ecc_byte);
 295                         if (ecc_byte < buf_len) {
 296                                 dev_dbg(rtsx_dev(chip), "Before correct: 0x%x\n",
 297                                         buf[ecc_byte]);
 298                                 buf[ecc_byte] ^= (1 << ecc_bit);
 299                                 dev_dbg(rtsx_dev(chip), "After correct: 0x%x\n",
 300                                         buf[ecc_byte]);
 301                         }
 302                 }
 303         } else if (!(reg & XD_ECC2_ERROR) || !(reg & XD_ECC2_UNCORRECTABLE)) {
 304                 rtsx_clear_xd_error(chip);
 305
 306                 retval = xd_read_data_from_ppb(chip, 256, buf, buf_len);
 307                 if (retval != STATUS_SUCCESS) {
 308                         rtsx_trace(chip);
 309                         return STATUS_FAIL;
 310                 }
 311                 if (reg & XD_ECC2_ERROR) {
 312                         u8 ecc_bit, ecc_byte;
 313
 314                         retval = rtsx_read_register(chip, XD_ECC_BIT2,
 315                                                     &ecc_bit);
 316                         if (retval) {
 317                                 rtsx_trace(chip);
 318                                 return retval;
 319                         }
 320                         retval = rtsx_read_register(chip, XD_ECC_BYTE2,
 321                                                     &ecc_byte);
 322                         if (retval) {
 323                                 rtsx_trace(chip);
 324                                 return retval;
 325                         }
 326
 327                         dev_dbg(rtsx_dev(chip), "ECC_BIT2 = 0x%x, ECC_BYTE2 = 0x%x\n",
 328                                 ecc_bit, ecc_byte);
 329                         if (ecc_byte < buf_len) {
 330                                 dev_dbg(rtsx_dev(chip), "Before correct: 0x%x\n",
 331                                         buf[ecc_byte]);
 332                                 buf[ecc_byte] ^= (1 << ecc_bit);
 333                                 dev_dbg(rtsx_dev(chip), "After correct: 0x%x\n",
 334                                         buf[ecc_byte]);
 335                         }
 336                 }
 337         } else {
 338                 rtsx_clear_xd_error(chip);
 339                 rtsx_trace(chip);
 340                 return STATUS_FAIL;
 341         }
 342
 343         return STATUS_SUCCESS;
 344 }
 345
 346 static void xd_fill_pull_ctl_disable(struct rtsx_chip *chip)
 347 {
 348         if (CHECK_PID(chip, 0x5208)) {
 349                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF,
 350                         XD_D3_PD | XD_D2_PD | XD_D1_PD | XD_D0_PD);
 351                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF,
 352                         XD_D7_PD | XD_D6_PD | XD_D5_PD | XD_D4_PD);
 353                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF,
 354                         XD_WP_PD | XD_CE_PD | XD_CLE_PD | XD_CD_PU);
 355                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF,
 356                         XD_RDY_PD | XD_WE_PD | XD_RE_PD | XD_ALE_PD);
 357                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF,
 358                         MS_INS_PU | SD_WP_PD | SD_CD_PU | SD_CMD_PD);
 359                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF,
 360                         MS_D5_PD | MS_D4_PD);
 361         } else if (CHECK_PID(chip, 0x5288)) {
 362                 if (CHECK_BARO_PKG(chip, QFN)) {
 363                         rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1,
 364                                 0xFF, 0x55);
 365                         rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2,
 366                                 0xFF, 0x55);
 367                         rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3,
 368                                 0xFF, 0x4B);
 369                         rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4,
 370                                 0xFF, 0x69);
 371                 }
 372         }
 373 }
 374
 375 static void xd_fill_pull_ctl_stage1_barossa(struct rtsx_chip *chip)
 376 {
 377         if (CHECK_BARO_PKG(chip, QFN)) {
 378                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55);
 379                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
 380                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x4B);
 381                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
 382         }
 383 }
 384
 385 static void xd_fill_pull_ctl_enable(struct rtsx_chip *chip)
 386 {
 387         if (CHECK_PID(chip, 0x5208)) {
 388                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF,
 389                         XD_D3_PD | XD_D2_PD | XD_D1_PD | XD_D0_PD);
 390                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF,
 391                         XD_D7_PD | XD_D6_PD | XD_D5_PD | XD_D4_PD);
 392                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF,
 393                         XD_WP_PD | XD_CE_PU | XD_CLE_PD | XD_CD_PU);
 394                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF,
 395                         XD_RDY_PU | XD_WE_PU | XD_RE_PU | XD_ALE_PD);
 396                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF,
 397                         MS_INS_PU | SD_WP_PD | SD_CD_PU | SD_CMD_PD);
 398                 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF,
 399                         MS_D5_PD | MS_D4_PD);
 400         } else if (CHECK_PID(chip, 0x5288)) {
 401                 if (CHECK_BARO_PKG(chip, QFN)) {
 402                         rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1,
 403                                 0xFF, 0x55);
 404                         rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2,
 405                                 0xFF, 0x55);
 406                         rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3,
 407                                 0xFF, 0x53);
 408                         rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4,
 409                                 0xFF, 0xA9);
 410                 }
 411         }
 412 }
 413
 414 static int xd_pull_ctl_disable(struct rtsx_chip *chip)
 415 {
 416         int retval;
 417
 418         if (CHECK_PID(chip, 0x5208)) {
 419                 retval = rtsx_write_register(chip, CARD_PULL_CTL1, 0xFF,
 420                                              XD_D3_PD | XD_D2_PD | XD_D1_PD | XD_D0_PD);
 421                 if (retval) {
 422                         rtsx_trace(chip);
 423                         return retval;
 424                 }
 425                 retval = rtsx_write_register(chip, CARD_PULL_CTL2, 0xFF,
 426                                              XD_D7_PD | XD_D6_PD | XD_D5_PD | XD_D4_PD);
 427                 if (retval) {
 428                         rtsx_trace(chip);
 429                         return retval;
 430                 }
 431                 retval = rtsx_write_register(chip, CARD_PULL_CTL3, 0xFF,
 432                                              XD_WP_PD | XD_CE_PD | XD_CLE_PD | XD_CD_PU);
 433                 if (retval) {
 434                         rtsx_trace(chip);
 435                         return retval;
 436                 }
 437                 retval = rtsx_write_register(chip, CARD_PULL_CTL4, 0xFF,
 438                                              XD_RDY_PD | XD_WE_PD | XD_RE_PD | XD_ALE_PD);
 439                 if (retval) {
 440                         rtsx_trace(chip);
 441                         return retval;
 442                 }
 443                 retval = rtsx_write_register(chip, CARD_PULL_CTL5, 0xFF,
 444                                              MS_INS_PU | SD_WP_PD | SD_CD_PU | SD_CMD_PD);
 445                 if (retval) {
 446                         rtsx_trace(chip);
 447                         return retval;
 448                 }
 449                 retval = rtsx_write_register(chip, CARD_PULL_CTL6, 0xFF,
 450                                              MS_D5_PD | MS_D4_PD);
 451                 if (retval) {
 452                         rtsx_trace(chip);
 453                         return retval;
 454                 }
 455         } else if (CHECK_PID(chip, 0x5288)) {
 456                 if (CHECK_BARO_PKG(chip, QFN)) {
 457                         retval = rtsx_write_register(chip, CARD_PULL_CTL1,
 458                                                      0xFF, 0x55);
 459                         if (retval) {
 460                                 rtsx_trace(chip);
 461                                 return retval;
 462                         }
 463                         retval = rtsx_write_register(chip, CARD_PULL_CTL2,
 464                                                      0xFF, 0x55);
 465                         if (retval) {
 466                                 rtsx_trace(chip);
 467                                 return retval;
 468                         }
 469                         retval = rtsx_write_register(chip, CARD_PULL_CTL3,
 470                                                      0xFF, 0x4B);
 471                         if (retval) {
 472                                 rtsx_trace(chip);
 473                                 return retval;
 474                         }
 475                         retval = rtsx_write_register(chip, CARD_PULL_CTL4,
 476                                                      0xFF, 0x69);
 477                         if (retval) {
 478                                 rtsx_trace(chip);
 479                                 return retval;
 480                         }
 481                 }
 482         }
 483
 484         return STATUS_SUCCESS;
 485 }
 486
 487 static int reset_xd(struct rtsx_chip *chip)
 488 {
 489         struct xd_info *xd_card = &(chip->xd_card);
 490         int retval, i, j;
 491         u8 *ptr, id_buf[4], redunt[11];
 492
 493         retval = select_card(chip, XD_CARD);
 494         if (retval != STATUS_SUCCESS) {
 495                 rtsx_trace(chip);
 496                 return STATUS_FAIL;
 497         }
 498
 499         rtsx_init_cmd(chip);
 500
 501         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, 0xFF,
 502                 XD_PGSTS_NOT_FF);
 503         if (chip->asic_code) {
 504                 if (!CHECK_PID(chip, 0x5288))
 505                         xd_fill_pull_ctl_disable(chip);
 506                 else
 507                         xd_fill_pull_ctl_stage1_barossa(chip);
 508         } else {
 509                 rtsx_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF,
 510                         (FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN3) | 0x20);
 511         }
 512
 513         if (!chip->ft2_fast_mode)
 514                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_INIT,
 515                         XD_NO_AUTO_PWR_OFF, 0);
 516
 517         rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, 0);
 518
 519         retval = rtsx_send_cmd(chip, XD_CARD, 100);
 520         if (retval < 0) {
 521                 rtsx_trace(chip);
 522                 return STATUS_FAIL;
 523         }
 524
 525         if (!chip->ft2_fast_mode) {
 526                 retval = card_power_off(chip, XD_CARD);
 527                 if (retval != STATUS_SUCCESS) {
 528                         rtsx_trace(chip);
 529                         return STATUS_FAIL;
 530                 }
 531
 532                 wait_timeout(250);
 533
 534                 rtsx_init_cmd(chip);
 535
 536                 if (chip->asic_code) {
 537                         xd_fill_pull_ctl_enable(chip);
 538                 } else {
 539                         rtsx_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF,
 540                                 (FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN2) |
 541                                 0x20);
 542                 }
 543
 544                 retval = rtsx_send_cmd(chip, XD_CARD, 100);
 545                 if (retval < 0) {
 546                         rtsx_trace(chip);
 547                         return STATUS_FAIL;
 548                 }
 549
 550                 retval = card_power_on(chip, XD_CARD);
 551                 if (retval != STATUS_SUCCESS) {
 552                         rtsx_trace(chip);
 553                         return STATUS_FAIL;
 554                 }
 555
 556 #ifdef SUPPORT_OCP
 557                 wait_timeout(50);
 558                 if (chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER)) {
 559                         dev_dbg(rtsx_dev(chip), "Over current, OCPSTAT is 0x%x\n",
 560                                 chip->ocp_stat);
 561                         rtsx_trace(chip);
 562                         return STATUS_FAIL;
 563                 }
 564 #endif
 565         }
 566
 567         rtsx_init_cmd(chip);
 568
 569         if (chip->ft2_fast_mode) {
 570                 if (chip->asic_code) {
 571                         xd_fill_pull_ctl_enable(chip);
 572                 } else {
 573                         rtsx_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF,
 574                                 (FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN2) |
 575                                 0x20);
 576                 }
 577         }
 578
 579         rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, XD_OUTPUT_EN);
 580         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CTL, XD_CE_DISEN, XD_CE_DISEN);
 581
 582         retval = rtsx_send_cmd(chip, XD_CARD, 100);
 583         if (retval < 0) {
 584                 rtsx_trace(chip);
 585                 return STATUS_FAIL;
 586         }
 587
 588         if (!chip->ft2_fast_mode)
 589                 wait_timeout(200);
 590
 591         retval = xd_set_init_para(chip);
 592         if (retval != STATUS_SUCCESS) {
 593                 rtsx_trace(chip);
 594                 return STATUS_FAIL;
 595         }
 596
 597         /* Read ID to check if the timing setting is right */
 598         for (i = 0; i < 4; i++) {
 599                 rtsx_init_cmd(chip);
 600
 601                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_DTCTL, 0xFF,
 602                         XD_TIME_SETUP_STEP * 3 +
 603                         XD_TIME_RW_STEP * (2 + i) + XD_TIME_RWN_STEP * i);
 604                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CATCTL, 0xFF,
 605                         XD_TIME_SETUP_STEP * 3 + XD_TIME_RW_STEP * (4 + i) +
 606                         XD_TIME_RWN_STEP * (3 + i));
 607
 608                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
 609                         XD_TRANSFER_START | XD_RESET);
 610                 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
 611                         XD_TRANSFER_END, XD_TRANSFER_END);
 612
 613                 rtsx_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
 614                 rtsx_add_cmd(chip, READ_REG_CMD, XD_CTL, 0, 0);
 615
 616                 retval = rtsx_send_cmd(chip, XD_CARD, 100);
 617                 if (retval < 0) {
 618                         rtsx_trace(chip);
 619                         return STATUS_FAIL;
 620                 }
 621
 622                 ptr = rtsx_get_cmd_data(chip) + 1;
 623
 624                 dev_dbg(rtsx_dev(chip), "XD_DAT: 0x%x, XD_CTL: 0x%x\n",
 625                         ptr[0], ptr[1]);
 626
 627                 if (((ptr[0] & READY_FLAG) != READY_STATE) ||
 628                         !(ptr[1] & XD_RDY))
 629                         continue;
 630
 631                 retval = xd_read_id(chip, READ_ID, id_buf, 4);
 632                 if (retval != STATUS_SUCCESS) {
 633                         rtsx_trace(chip);
 634                         return STATUS_FAIL;
 635                 }
 636
 637                 dev_dbg(rtsx_dev(chip), "READ_ID: 0x%x 0x%x 0x%x 0x%x\n",
 638                         id_buf[0], id_buf[1], id_buf[2], id_buf[3]);
 639
 640                 xd_card->device_code = id_buf[1];
 641
 642                 /* Check if the xD card is supported */
 643                 switch (xd_card->device_code) {
 644                 case XD_4M_X8_512_1:
 645                 case XD_4M_X8_512_2:
 646                         xd_card->block_shift = 4;
 647                         xd_card->page_off = 0x0F;
 648                         xd_card->addr_cycle = 3;
 649                         xd_card->zone_cnt = 1;
 650                         xd_card->capacity = 8000;
 651                         XD_SET_4MB(xd_card);
 652                         break;
 653                 case XD_8M_X8_512:
 654                         xd_card->block_shift = 4;
 655                         xd_card->page_off = 0x0F;
 656                         xd_card->addr_cycle = 3;
 657                         xd_card->zone_cnt = 1;
 658                         xd_card->capacity = 16000;
 659                         break;
 660                 case XD_16M_X8_512:
 661                         XD_PAGE_512(xd_card);
 662                         xd_card->addr_cycle = 3;
 663                         xd_card->zone_cnt = 1;
 664                         xd_card->capacity = 32000;
 665                         break;
 666                 case XD_32M_X8_512:
 667                         XD_PAGE_512(xd_card);
 668                         xd_card->addr_cycle = 3;
 669                         xd_card->zone_cnt = 2;
 670                         xd_card->capacity = 64000;
 671                         break;
 672                 case XD_64M_X8_512:
 673                         XD_PAGE_512(xd_card);
 674                         xd_card->addr_cycle = 4;
 675                         xd_card->zone_cnt = 4;
 676                         xd_card->capacity = 128000;
 677                         break;
 678                 case XD_128M_X8_512:
 679                         XD_PAGE_512(xd_card);
 680                         xd_card->addr_cycle = 4;
 681                         xd_card->zone_cnt = 8;
 682                         xd_card->capacity = 256000;
 683                         break;
 684                 case XD_256M_X8_512:
 685                         XD_PAGE_512(xd_card);
 686                         xd_card->addr_cycle = 4;
 687                         xd_card->zone_cnt = 16;
 688                         xd_card->capacity = 512000;
 689                         break;
 690                 case XD_512M_X8:
 691                         XD_PAGE_512(xd_card);
 692                         xd_card->addr_cycle = 4;
 693                         xd_card->zone_cnt = 32;
 694                         xd_card->capacity = 1024000;
 695                         break;
 696                 case xD_1G_X8_512:
 697                         XD_PAGE_512(xd_card);
 698                         xd_card->addr_cycle = 4;
 699                         xd_card->zone_cnt = 64;
 700                         xd_card->capacity = 2048000;
 701                         break;
 702                 case xD_2G_X8_512:
 703                         XD_PAGE_512(xd_card);
 704                         xd_card->addr_cycle = 4;
 705                         xd_card->zone_cnt = 128;
 706                         xd_card->capacity = 4096000;
 707                         break;
 708                 default:
 709                         continue;
 710                 }
 711
 712                 /* Confirm timing setting */
 713                 for (j = 0; j < 10; j++) {
 714                         retval = xd_read_id(chip, READ_ID, id_buf, 4);
 715                         if (retval != STATUS_SUCCESS) {
 716                                 rtsx_trace(chip);
 717                                 return STATUS_FAIL;
 718                         }
 719
 720                         if (id_buf[1] != xd_card->device_code)
 721                                 break;
 722                 }
 723
 724                 if (j == 10)
 725                         break;
 726         }
 727
 728         if (i == 4) {
 729                 xd_card->block_shift = 0;
 730                 xd_card->page_off = 0;
 731                 xd_card->addr_cycle = 0;
 732                 xd_card->capacity = 0;
 733
 734                 rtsx_trace(chip);
 735                 return STATUS_FAIL;
 736         }
 737
 738         retval = xd_read_id(chip, READ_xD_ID, id_buf, 4);
 739         if (retval != STATUS_SUCCESS) {
 740                 rtsx_trace(chip);
 741                 return STATUS_FAIL;
 742         }
 743         dev_dbg(rtsx_dev(chip), "READ_xD_ID: 0x%x 0x%x 0x%x 0x%x\n",
 744                 id_buf[0], id_buf[1], id_buf[2], id_buf[3]);
 745         if (id_buf[2] != XD_ID_CODE) {
 746                 rtsx_trace(chip);
 747                 return STATUS_FAIL;
 748         }
 749
 750         /* Search CIS block */
 751         for (i = 0; i < 24; i++) {
 752                 u32 page_addr;
 753
 754                 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
 755                         rtsx_trace(chip);
 756                         return STATUS_FAIL;
 757                 }
 758
 759                 page_addr = (u32)i << xd_card->block_shift;
 760
 761                 for (j = 0; j < 3; j++) {
 762                         retval = xd_read_redundant(chip, page_addr, redunt, 11);
 763                         if (retval == STATUS_SUCCESS)
 764                                 break;
 765                 }
 766                 if (j == 3)
 767                         continue;
 768
 769                 if (redunt[BLOCK_STATUS] != XD_GBLK)
 770                         continue;
 771
 772                 j = 0;
 773                 if (redunt[PAGE_STATUS] != XD_GPG) {
 774                         for (j = 1; j <= 8; j++) {
 775                                 retval = xd_read_redundant(chip, page_addr + j,
 776                                                         redunt, 11);
 777                                 if (retval == STATUS_SUCCESS) {
 778                                         if (redunt[PAGE_STATUS] == XD_GPG)
 779                                                 break;
 780                                 }
 781                         }
 782
 783                         if (j == 9)
 784                                 break;
 785                 }
 786
 787                 /* Check CIS data */
 788                 if ((redunt[BLOCK_STATUS] == XD_GBLK) &&
 789                         (redunt[PARITY] & XD_BA1_ALL0)) {
 790                         u8 buf[10];
 791
 792                         page_addr += j;
 793
 794                         retval = xd_read_cis(chip, page_addr, buf, 10);
 795                         if (retval != STATUS_SUCCESS) {
 796                                 rtsx_trace(chip);
 797                                 return STATUS_FAIL;
 798                         }
 799
 800                         if ((buf[0] == 0x01) && (buf[1] == 0x03) &&
 801                                 (buf[2] == 0xD9)
 802                                         && (buf[3] == 0x01) && (buf[4] == 0xFF)
 803                                         && (buf[5] == 0x18) && (buf[6] == 0x02)
 804                                         && (buf[7] == 0xDF) && (buf[8] == 0x01)
 805                                         && (buf[9] == 0x20)) {
 806                                 xd_card->cis_block = (u16)i;
 807                         }
 808                 }
 809
 810                 break;
 811         }
 812
 813         dev_dbg(rtsx_dev(chip), "CIS block: 0x%x\n", xd_card->cis_block);
 814         if (xd_card->cis_block == 0xFFFF) {
 815                 rtsx_trace(chip);
 816                 return STATUS_FAIL;
 817         }
 818
 819         chip->capacity[chip->card2lun[XD_CARD]] = xd_card->capacity;
 820
 821         return STATUS_SUCCESS;
 822 }
 823
 824 static int xd_check_data_blank(u8 *redunt)
 825 {
 826         int i;
 827
 828         for (i = 0; i < 6; i++) {
 829                 if (redunt[PAGE_STATUS + i] != 0xFF)
 830                         return 0;
 831         }
 832
 833         if ((redunt[PARITY] & (XD_ECC1_ALL1 | XD_ECC2_ALL1))
 834                 != (XD_ECC1_ALL1 | XD_ECC2_ALL1))
 835                 return 0;
 836
 837
 838         for (i = 0; i < 4; i++) {
 839                 if (redunt[RESERVED0 + i] != 0xFF)
 840                         return 0;
 841         }
 842
 843         return 1;
 844 }
 845
 846 static u16 xd_load_log_block_addr(u8 *redunt)
 847 {
 848         u16 addr = 0xFFFF;
 849
 850         if (redunt[PARITY] & XD_BA1_BA2_EQL)
 851                 addr = ((u16)redunt[BLOCK_ADDR1_H] << 8) |
 852                         redunt[BLOCK_ADDR1_L];
 853         else if (redunt[PARITY] & XD_BA1_VALID)
 854                 addr = ((u16)redunt[BLOCK_ADDR1_H] << 8) |
 855                         redunt[BLOCK_ADDR1_L];
 856         else if (redunt[PARITY] & XD_BA2_VALID)
 857                 addr = ((u16)redunt[BLOCK_ADDR2_H] << 8) |
 858                         redunt[BLOCK_ADDR2_L];
 859
 860         return addr;
 861 }
 862
 863 static int xd_init_l2p_tbl(struct rtsx_chip *chip)
 864 {
 865         struct xd_info *xd_card = &(chip->xd_card);
 866         int size, i;
 867
 868         dev_dbg(rtsx_dev(chip), "xd_init_l2p_tbl: zone_cnt = %d\n",
 869                 xd_card->zone_cnt);
 870
 871         if (xd_card->zone_cnt < 1) {
 872                 rtsx_trace(chip);
 873                 return STATUS_FAIL;
 874         }
 875
 876         size = xd_card->zone_cnt * sizeof(struct zone_entry);
 877         dev_dbg(rtsx_dev(chip), "Buffer size for l2p table is %d\n", size);
 878
 879         xd_card->zone = vmalloc(size);
 880         if (!xd_card->zone) {
 881                 rtsx_trace(chip);
 882                 return STATUS_ERROR;
 883         }
 884
 885         for (i = 0; i < xd_card->zone_cnt; i++) {
 886                 xd_card->zone[i].build_flag = 0;
 887                 xd_card->zone[i].l2p_table = NULL;
 888                 xd_card->zone[i].free_table = NULL;
 889                 xd_card->zone[i].get_index = 0;
 890                 xd_card->zone[i].set_index = 0;
 891                 xd_card->zone[i].unused_blk_cnt = 0;
 892         }
 893
 894         return STATUS_SUCCESS;
 895 }
 896
 897 static inline void free_zone(struct zone_entry *zone)
 898 {
 899         if (!zone)
 900                 return;
 901
 902         zone->build_flag = 0;
 903         zone->set_index = 0;
 904         zone->get_index = 0;
 905         zone->unused_blk_cnt = 0;
 906         if (zone->l2p_table) {
 907                 vfree(zone->l2p_table);
 908                 zone->l2p_table = NULL;
 909         }
 910         if (zone->free_table) {
 911                 vfree(zone->free_table);
 912                 zone->free_table = NULL;
 913         }
 914 }
 915
 916 static void xd_set_unused_block(struct rtsx_chip *chip, u32 phy_blk)
 917 {
 918         struct xd_info *xd_card = &(chip->xd_card);
 919         struct zone_entry *zone;
 920         int zone_no;
 921
 922         zone_no = (int)phy_blk >> 10;
 923         if (zone_no >= xd_card->zone_cnt) {
 924                 dev_dbg(rtsx_dev(chip), "Set unused block to invalid zone (zone_no = %d, zone_cnt = %d)\n",
 925                         zone_no, xd_card->zone_cnt);
 926                 return;
 927         }
 928         zone = &(xd_card->zone[zone_no]);
 929
 930         if (zone->free_table == NULL) {
 931                 if (xd_build_l2p_tbl(chip, zone_no) != STATUS_SUCCESS)
 932                         return;
 933         }
 934
 935         if ((zone->set_index >= XD_FREE_TABLE_CNT)
 936                         || (zone->set_index < 0)) {
 937                 free_zone(zone);
 938                 dev_dbg(rtsx_dev(chip), "Set unused block fail, invalid set_index\n");
 939                 return;
 940         }
 941
 942         dev_dbg(rtsx_dev(chip), "Set unused block to index %d\n",
 943                 zone->set_index);
 944
 945         zone->free_table[zone->set_index++] = (u16) (phy_blk & 0x3ff);
 946         if (zone->set_index >= XD_FREE_TABLE_CNT)
 947                 zone->set_index = 0;
 948         zone->unused_blk_cnt++;
 949 }
 950
 951 static u32 xd_get_unused_block(struct rtsx_chip *chip, int zone_no)
 952 {
 953         struct xd_info *xd_card = &(chip->xd_card);
 954         struct zone_entry *zone;
 955         u32 phy_blk;
 956
 957         if (zone_no >= xd_card->zone_cnt) {
 958                 dev_dbg(rtsx_dev(chip), "Get unused block from invalid zone (zone_no = %d, zone_cnt = %d)\n",
 959                         zone_no, xd_card->zone_cnt);
 960                 return BLK_NOT_FOUND;
 961         }
 962         zone = &(xd_card->zone[zone_no]);
 963
 964         if ((zone->unused_blk_cnt == 0) ||
 965                 (zone->set_index == zone->get_index)) {
 966                 free_zone(zone);
 967                 dev_dbg(rtsx_dev(chip), "Get unused block fail, no unused block available\n");
 968                 return BLK_NOT_FOUND;
 969         }
 970         if ((zone->get_index >= XD_FREE_TABLE_CNT) || (zone->get_index < 0)) {
 971                 free_zone(zone);
 972                 dev_dbg(rtsx_dev(chip), "Get unused block fail, invalid get_index\n");
 973                 return BLK_NOT_FOUND;
 974         }
 975
 976         dev_dbg(rtsx_dev(chip), "Get unused block from index %d\n",
 977                 zone->get_index);
 978
 979         phy_blk = zone->free_table[zone->get_index];
 980         zone->free_table[zone->get_index++] = 0xFFFF;
 981         if (zone->get_index >= XD_FREE_TABLE_CNT)
 982                 zone->get_index = 0;
 983         zone->unused_blk_cnt--;
 984
 985         phy_blk += ((u32)(zone_no) << 10);
 986         return phy_blk;
 987 }
 988
 989 static void xd_set_l2p_tbl(struct rtsx_chip *chip,
 990                         int zone_no, u16 log_off, u16 phy_off)
 991 {
 992         struct xd_info *xd_card = &(chip->xd_card);
 993         struct zone_entry *zone;
 994
 995         zone = &(xd_card->zone[zone_no]);
 996         zone->l2p_table[log_off] = phy_off;
 997 }
 998
 999 static u32 xd_get_l2p_tbl(struct rtsx_chip *chip, int zone_no, u16 log_off)
1000 {
1001         struct xd_info *xd_card = &(chip->xd_card);
1002         struct zone_entry *zone;
1003         int retval;
1004
1005         zone = &(xd_card->zone[zone_no]);
1006         if (zone->l2p_table[log_off] == 0xFFFF) {
1007                 u32 phy_blk = 0;
1008                 int i;
1009
1010 #ifdef XD_DELAY_WRITE
1011                 retval = xd_delay_write(chip);
1012                 if (retval != STATUS_SUCCESS) {
1013                         dev_dbg(rtsx_dev(chip), "In xd_get_l2p_tbl, delay write fail!\n");
1014                         return BLK_NOT_FOUND;
1015                 }
1016 #endif
1017
1018                 if (zone->unused_blk_cnt <= 0) {
1019                         dev_dbg(rtsx_dev(chip), "No unused block!\n");
1020                         return BLK_NOT_FOUND;
1021                 }
1022
1023                 for (i = 0; i < zone->unused_blk_cnt; i++) {
1024                         phy_blk = xd_get_unused_block(chip, zone_no);
1025                         if (phy_blk == BLK_NOT_FOUND) {
1026                                 dev_dbg(rtsx_dev(chip), "No unused block available!\n");
1027                                 return BLK_NOT_FOUND;
1028                         }
1029
1030                         retval = xd_init_page(chip, phy_blk, log_off,
1031                                         0, xd_card->page_off + 1);
1032                         if (retval == STATUS_SUCCESS)
1033                                 break;
1034                 }
1035                 if (i >= zone->unused_blk_cnt) {
1036                         dev_dbg(rtsx_dev(chip), "No good unused block available!\n");
1037                         return BLK_NOT_FOUND;
1038                 }
1039
1040                 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(phy_blk & 0x3FF));
1041                 return phy_blk;
1042         }
1043
1044         return (u32)zone->l2p_table[log_off] + ((u32)(zone_no) << 10);
1045 }
1046
1047 int reset_xd_card(struct rtsx_chip *chip)
1048 {
1049         struct xd_info *xd_card = &(chip->xd_card);
1050         int retval;
1051
1052         memset(xd_card, 0, sizeof(struct xd_info));
1053
1054         xd_card->block_shift = 0;
1055         xd_card->page_off = 0;
1056         xd_card->addr_cycle = 0;
1057         xd_card->capacity = 0;
1058         xd_card->zone_cnt = 0;
1059         xd_card->cis_block = 0xFFFF;
1060         xd_card->delay_write.delay_write_flag = 0;
1061
1062         retval = enable_card_clock(chip, XD_CARD);
1063         if (retval != STATUS_SUCCESS) {
1064                 rtsx_trace(chip);
1065                 return STATUS_FAIL;
1066         }
1067
1068         retval = reset_xd(chip);
1069         if (retval != STATUS_SUCCESS) {
1070                 rtsx_trace(chip);
1071                 return STATUS_FAIL;
1072         }
1073
1074         retval = xd_init_l2p_tbl(chip);
1075         if (retval != STATUS_SUCCESS) {
1076                 rtsx_trace(chip);
1077                 return STATUS_FAIL;
1078         }
1079
1080         return STATUS_SUCCESS;
1081 }
1082
1083 static int xd_mark_bad_block(struct rtsx_chip *chip, u32 phy_blk)
1084 {
1085         struct xd_info *xd_card = &(chip->xd_card);
1086         int retval;
1087         u32 page_addr;
1088         u8 reg = 0;
1089
1090         dev_dbg(rtsx_dev(chip), "mark block 0x%x as bad block\n", phy_blk);
1091
1092         if (phy_blk == BLK_NOT_FOUND) {
1093                 rtsx_trace(chip);
1094                 return STATUS_FAIL;
1095         }
1096
1097         rtsx_init_cmd(chip);
1098
1099         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG);
1100         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, XD_LATER_BBLK);
1101         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF, 0xFF);
1102         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, 0xFF);
1103         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_H, 0xFF, 0xFF);
1104         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_L, 0xFF, 0xFF);
1105         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED0, 0xFF, 0xFF);
1106         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED1, 0xFF, 0xFF);
1107         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED2, 0xFF, 0xFF);
1108         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED3, 0xFF, 0xFF);
1109
1110         page_addr = phy_blk << xd_card->block_shift;
1111
1112         xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1113
1114         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF,
1115                 xd_card->page_off + 1);
1116
1117         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1118                 XD_TRANSFER_START | XD_WRITE_REDUNDANT);
1119         rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1120                 XD_TRANSFER_END, XD_TRANSFER_END);
1121
1122         retval = rtsx_send_cmd(chip, XD_CARD, 500);
1123         if (retval < 0) {
1124                 rtsx_clear_xd_error(chip);
1125                 rtsx_read_register(chip, XD_DAT, &reg);
1126                 if (reg & PROGRAM_ERROR)
1127                         xd_set_err_code(chip, XD_PRG_ERROR);
1128                 else
1129                         xd_set_err_code(chip, XD_TO_ERROR);
1130                 rtsx_trace(chip);
1131                 return STATUS_FAIL;
1132         }
1133
1134         return STATUS_SUCCESS;
1135 }
1136
1137 static int xd_init_page(struct rtsx_chip *chip, u32 phy_blk,
1138                         u16 logoff, u8 start_page, u8 end_page)
1139 {
1140         struct xd_info *xd_card = &(chip->xd_card);
1141         int retval;
1142         u32 page_addr;
1143         u8 reg = 0;
1144
1145         dev_dbg(rtsx_dev(chip), "Init block 0x%x\n", phy_blk);
1146
1147         if (start_page > end_page) {
1148                 rtsx_trace(chip);
1149                 return STATUS_FAIL;
1150         }
1151         if (phy_blk == BLK_NOT_FOUND) {
1152                 rtsx_trace(chip);
1153                 return STATUS_FAIL;
1154         }
1155
1156         rtsx_init_cmd(chip);
1157
1158         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, 0xFF);
1159         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, 0xFF);
1160         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H,
1161                 0xFF, (u8)(logoff >> 8));
1162         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, (u8)logoff);
1163
1164         page_addr = (phy_blk << xd_card->block_shift) + start_page;
1165
1166         xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1167
1168         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG,
1169                 XD_BA_TRANSFORM, XD_BA_TRANSFORM);
1170
1171         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT,
1172                 0xFF, (end_page - start_page));
1173
1174         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER,
1175                 0xFF, XD_TRANSFER_START | XD_WRITE_REDUNDANT);
1176         rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1177                 XD_TRANSFER_END, XD_TRANSFER_END);
1178
1179         retval = rtsx_send_cmd(chip, XD_CARD, 500);
1180         if (retval < 0) {
1181                 rtsx_clear_xd_error(chip);
1182                 rtsx_read_register(chip, XD_DAT, &reg);
1183                 if (reg & PROGRAM_ERROR) {
1184                         xd_mark_bad_block(chip, phy_blk);
1185                         xd_set_err_code(chip, XD_PRG_ERROR);
1186                 } else {
1187                         xd_set_err_code(chip, XD_TO_ERROR);
1188                 }
1189                 rtsx_trace(chip);
1190                 return STATUS_FAIL;
1191         }
1192
1193         return STATUS_SUCCESS;
1194 }
1195
1196 static int xd_copy_page(struct rtsx_chip *chip, u32 old_blk, u32 new_blk,
1197                         u8 start_page, u8 end_page)
1198 {
1199         struct xd_info *xd_card = &(chip->xd_card);
1200         u32 old_page, new_page;
1201         u8 i, reg = 0;
1202         int retval;
1203
1204         dev_dbg(rtsx_dev(chip), "Copy page from block 0x%x to block 0x%x\n",
1205                 old_blk, new_blk);
1206
1207         if (start_page > end_page) {
1208                 rtsx_trace(chip);
1209                 return STATUS_FAIL;
1210         }
1211
1212         if ((old_blk == BLK_NOT_FOUND) || (new_blk == BLK_NOT_FOUND)) {
1213                 rtsx_trace(chip);
1214                 return STATUS_FAIL;
1215         }
1216
1217         old_page = (old_blk << xd_card->block_shift) + start_page;
1218         new_page = (new_blk << xd_card->block_shift) + start_page;
1219
1220         XD_CLR_BAD_NEWBLK(xd_card);
1221
1222         retval = rtsx_write_register(chip, CARD_DATA_SOURCE, 0x01,
1223                                      PINGPONG_BUFFER);
1224         if (retval) {
1225                 rtsx_trace(chip);
1226                 return retval;
1227         }
1228
1229         for (i = start_page; i < end_page; i++) {
1230                 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1231                         rtsx_clear_xd_error(chip);
1232                         xd_set_err_code(chip, XD_NO_CARD);
1233                         rtsx_trace(chip);
1234                         return STATUS_FAIL;
1235                 }
1236
1237                 rtsx_init_cmd(chip);
1238
1239                 xd_assign_phy_addr(chip, old_page, XD_RW_ADDR);
1240
1241                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
1242                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
1243                         XD_AUTO_CHK_DATA_STATUS, 0);
1244                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1245                         XD_TRANSFER_START | XD_READ_PAGES);
1246                 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1247                         XD_TRANSFER_END, XD_TRANSFER_END);
1248
1249                 retval = rtsx_send_cmd(chip, XD_CARD, 500);
1250                 if (retval < 0) {
1251                         rtsx_clear_xd_error(chip);
1252                         reg = 0;
1253                         rtsx_read_register(chip, XD_CTL, &reg);
1254                         if (reg & (XD_ECC1_ERROR | XD_ECC2_ERROR)) {
1255                                 wait_timeout(100);
1256
1257                                 if (detect_card_cd(chip,
1258                                         XD_CARD) != STATUS_SUCCESS) {
1259                                         xd_set_err_code(chip, XD_NO_CARD);
1260                                         rtsx_trace(chip);
1261                                         return STATUS_FAIL;
1262                                 }
1263
1264                                 if (((reg & (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE)) ==
1265                                                 (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1266                                         || ((reg & (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE)) ==
1267                                                 (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))) {
1268                                         rtsx_write_register(chip,
1269                                                         XD_PAGE_STATUS, 0xFF,
1270                                                         XD_BPG);
1271                                         rtsx_write_register(chip,
1272                                                         XD_BLOCK_STATUS, 0xFF,
1273                                                         XD_GBLK);
1274                                         XD_SET_BAD_OLDBLK(xd_card);
1275                                         dev_dbg(rtsx_dev(chip), "old block 0x%x ecc error\n",
1276                                                 old_blk);
1277                                 }
1278                         } else {
1279                                 xd_set_err_code(chip, XD_TO_ERROR);
1280                                 rtsx_trace(chip);
1281                                 return STATUS_FAIL;
1282                         }
1283                 }
1284
1285                 if (XD_CHK_BAD_OLDBLK(xd_card))
1286                         rtsx_clear_xd_error(chip);
1287
1288                 rtsx_init_cmd(chip);
1289
1290                 xd_assign_phy_addr(chip, new_page, XD_RW_ADDR);
1291                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
1292                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1293                              XD_TRANSFER_START | XD_WRITE_PAGES);
1294                 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1295                         XD_TRANSFER_END, XD_TRANSFER_END);
1296
1297                 retval = rtsx_send_cmd(chip, XD_CARD, 300);
1298                 if (retval < 0) {
1299                         rtsx_clear_xd_error(chip);
1300                         reg = 0;
1301                         rtsx_read_register(chip, XD_DAT, &reg);
1302                         if (reg & PROGRAM_ERROR) {
1303                                 xd_mark_bad_block(chip, new_blk);
1304                                 xd_set_err_code(chip, XD_PRG_ERROR);
1305                                 XD_SET_BAD_NEWBLK(xd_card);
1306                         } else {
1307                                 xd_set_err_code(chip, XD_TO_ERROR);
1308                         }
1309                         rtsx_trace(chip);
1310                         return STATUS_FAIL;
1311                 }
1312
1313                 old_page++;
1314                 new_page++;
1315         }
1316
1317         return STATUS_SUCCESS;
1318 }
1319
1320 static int xd_reset_cmd(struct rtsx_chip *chip)
1321 {
1322         int retval;
1323         u8 *ptr;
1324
1325         rtsx_init_cmd(chip);
1326
1327         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER,
1328                 0xFF, XD_TRANSFER_START | XD_RESET);
1329         rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1330                 XD_TRANSFER_END, XD_TRANSFER_END);
1331         rtsx_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
1332         rtsx_add_cmd(chip, READ_REG_CMD, XD_CTL, 0, 0);
1333
1334         retval = rtsx_send_cmd(chip, XD_CARD, 100);
1335         if (retval < 0) {
1336                 rtsx_trace(chip);
1337                 return STATUS_FAIL;
1338         }
1339
1340         ptr = rtsx_get_cmd_data(chip) + 1;
1341         if (((ptr[0] & READY_FLAG) == READY_STATE) && (ptr[1] & XD_RDY))
1342                 return STATUS_SUCCESS;
1343
1344         rtsx_trace(chip);
1345         return STATUS_FAIL;
1346 }
1347
1348 static int xd_erase_block(struct rtsx_chip *chip, u32 phy_blk)
1349 {
1350         struct xd_info *xd_card = &(chip->xd_card);
1351         u32 page_addr;
1352         u8 reg = 0, *ptr;
1353         int i, retval;
1354
1355         if (phy_blk == BLK_NOT_FOUND) {
1356                 rtsx_trace(chip);
1357                 return STATUS_FAIL;
1358         }
1359
1360         page_addr = phy_blk << xd_card->block_shift;
1361
1362         for (i = 0; i < 3; i++) {
1363                 rtsx_init_cmd(chip);
1364
1365                 xd_assign_phy_addr(chip, page_addr, XD_ERASE_ADDR);
1366
1367                 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1368                         XD_TRANSFER_START | XD_ERASE);
1369                 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1370                         XD_TRANSFER_END, XD_TRANSFER_END);
1371                 rtsx_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
1372
1373                 retval = rtsx_send_cmd(chip, XD_CARD, 250);
1374                 if (retval < 0) {
1375                         rtsx_clear_xd_error(chip);
1376                         rtsx_read_register(chip, XD_DAT, &reg);
1377                         if (reg & PROGRAM_ERROR) {
1378                                 xd_mark_bad_block(chip, phy_blk);
1379                                 xd_set_err_code(chip, XD_PRG_ERROR);
1380                                 rtsx_trace(chip);
1381                                 return STATUS_FAIL;
1382                         } else {
1383                                 xd_set_err_code(chip, XD_ERASE_FAIL);
1384                         }
1385                         retval = xd_reset_cmd(chip);
1386                         if (retval != STATUS_SUCCESS) {
1387                                 rtsx_trace(chip);
1388                                 return STATUS_FAIL;
1389                         }
1390                         continue;
1391                 }
1392
1393                 ptr = rtsx_get_cmd_data(chip) + 1;
1394                 if (*ptr & PROGRAM_ERROR) {
1395                         xd_mark_bad_block(chip, phy_blk);
1396                         xd_set_err_code(chip, XD_PRG_ERROR);
1397                         rtsx_trace(chip);
1398                         return STATUS_FAIL;
1399                 }
1400
1401                 return STATUS_SUCCESS;
1402         }
1403
1404         xd_mark_bad_block(chip, phy_blk);
1405         xd_set_err_code(chip, XD_ERASE_FAIL);
1406         rtsx_trace(chip);
1407         return STATUS_FAIL;
1408 }
1409
1410
1411 static int xd_build_l2p_tbl(struct rtsx_chip *chip, int zone_no)
1412 {
1413         struct xd_info *xd_card = &(chip->xd_card);
1414         struct zone_entry *zone;
1415         int retval;
1416         u32 start, end, i;
1417         u16 max_logoff, cur_fst_page_logoff;
1418         u16 cur_lst_page_logoff, ent_lst_page_logoff;
1419         u8 redunt[11];
1420
1421         dev_dbg(rtsx_dev(chip), "xd_build_l2p_tbl: %d\n", zone_no);
1422
1423         if (xd_card->zone == NULL) {
1424                 retval = xd_init_l2p_tbl(chip);
1425                 if (retval != STATUS_SUCCESS)
1426                         return retval;
1427         }
1428
1429         if (xd_card->zone[zone_no].build_flag) {
1430                 dev_dbg(rtsx_dev(chip), "l2p table of zone %d has been built\n",
1431                         zone_no);
1432                 return STATUS_SUCCESS;
1433         }
1434
1435         zone = &(xd_card->zone[zone_no]);
1436
1437         if (zone->l2p_table == NULL) {
1438                 zone->l2p_table = vmalloc(2000);
1439                 if (zone->l2p_table == NULL) {
1440                         rtsx_trace(chip);
1441                         goto Build_Fail;
1442                 }
1443         }
1444         memset((u8 *)(zone->l2p_table), 0xff, 2000);
1445
1446         if (zone->free_table == NULL) {
1447                 zone->free_table = vmalloc(XD_FREE_TABLE_CNT * 2);
1448                 if (zone->free_table == NULL) {
1449                         rtsx_trace(chip);
1450                         goto Build_Fail;
1451                 }
1452         }
1453         memset((u8 *)(zone->free_table), 0xff, XD_FREE_TABLE_CNT * 2);
1454
1455         if (zone_no == 0) {
1456                 if (xd_card->cis_block == 0xFFFF)
1457                         start = 0;
1458                 else
1459                         start = xd_card->cis_block + 1;
1460                 if (XD_CHK_4MB(xd_card)) {
1461                         end = 0x200;
1462                         max_logoff = 499;
1463                 } else {
1464                         end = 0x400;
1465                         max_logoff = 999;
1466                 }
1467         } else {
1468                 start = (u32)(zone_no) << 10;
1469                 end = (u32)(zone_no + 1) << 10;
1470                 max_logoff = 999;
1471         }
1472
1473         dev_dbg(rtsx_dev(chip), "start block 0x%x, end block 0x%x\n",
1474                 start, end);
1475
1476         zone->set_index = zone->get_index = 0;
1477         zone->unused_blk_cnt = 0;
1478
1479         for (i = start; i < end; i++) {
1480                 u32 page_addr = i << xd_card->block_shift;
1481                 u32 phy_block;
1482
1483                 retval = xd_read_redundant(chip, page_addr, redunt, 11);
1484                 if (retval != STATUS_SUCCESS)
1485                         continue;
1486
1487                 if (redunt[BLOCK_STATUS] != 0xFF) {
1488                         dev_dbg(rtsx_dev(chip), "bad block\n");
1489                         continue;
1490                 }
1491
1492                 if (xd_check_data_blank(redunt)) {
1493                         dev_dbg(rtsx_dev(chip), "blank block\n");
1494                         xd_set_unused_block(chip, i);
1495                         continue;
1496                 }
1497
1498                 cur_fst_page_logoff = xd_load_log_block_addr(redunt);
1499                 if ((cur_fst_page_logoff == 0xFFFF) ||
1500                         (cur_fst_page_logoff > max_logoff)) {
1501                         retval = xd_erase_block(chip, i);
1502                         if (retval == STATUS_SUCCESS)
1503                                 xd_set_unused_block(chip, i);
1504                         continue;
1505                 }
1506
1507                 if ((zone_no == 0) && (cur_fst_page_logoff == 0) &&
1508                         (redunt[PAGE_STATUS] != XD_GPG))
1509                         XD_SET_MBR_FAIL(xd_card);
1510
1511                 if (zone->l2p_table[cur_fst_page_logoff] == 0xFFFF) {
1512                         zone->l2p_table[cur_fst_page_logoff] = (u16)(i & 0x3FF);
1513                         continue;
1514                 }
1515
1516                 phy_block = zone->l2p_table[cur_fst_page_logoff] +
1517                         ((u32)((zone_no) << 10));
1518
1519                 page_addr = ((i + 1) << xd_card->block_shift) - 1;
1520
1521                 retval = xd_read_redundant(chip, page_addr, redunt, 11);
1522                 if (retval != STATUS_SUCCESS)
1523                         continue;
1524
1525                 cur_lst_page_logoff = xd_load_log_block_addr(redunt);
1526                 if (cur_lst_page_logoff == cur_fst_page_logoff) {
1527                         int m;
1528
1529                         page_addr = ((phy_block + 1) <<
1530                                 xd_card->block_shift) - 1;
1531
1532                         for (m = 0; m < 3; m++) {
1533                                 retval = xd_read_redundant(chip, page_addr,
1534                                                         redunt, 11);
1535                                 if (retval == STATUS_SUCCESS)
1536                                         break;
1537                         }
1538
1539                         if (m == 3) {
1540                                 zone->l2p_table[cur_fst_page_logoff] =
1541                                         (u16)(i & 0x3FF);
1542                                 retval = xd_erase_block(chip, phy_block);
1543                                 if (retval == STATUS_SUCCESS)
1544                                         xd_set_unused_block(chip, phy_block);
1545                                 continue;
1546                         }
1547
1548                         ent_lst_page_logoff = xd_load_log_block_addr(redunt);
1549                         if (ent_lst_page_logoff != cur_fst_page_logoff) {
1550                                 zone->l2p_table[cur_fst_page_logoff] =
1551                                         (u16)(i & 0x3FF);
1552                                 retval = xd_erase_block(chip, phy_block);
1553                                 if (retval == STATUS_SUCCESS)
1554                                         xd_set_unused_block(chip, phy_block);
1555                                 continue;
1556                         } else {
1557                                 retval = xd_erase_block(chip, i);
1558                                 if (retval == STATUS_SUCCESS)
1559                                         xd_set_unused_block(chip, i);
1560                         }
1561                 } else {
1562                         retval = xd_erase_block(chip, i);
1563                         if (retval == STATUS_SUCCESS)
1564                                 xd_set_unused_block(chip, i);
1565                 }
1566         }
1567
1568         if (XD_CHK_4MB(xd_card))
1569                 end = 500;
1570         else
1571                 end = 1000;
1572
1573         i = 0;
1574         for (start = 0; start < end; start++) {
1575                 if (zone->l2p_table[start] == 0xFFFF)
1576                         i++;
1577         }
1578
1579         dev_dbg(rtsx_dev(chip), "Block count %d, invalid L2P entry %d\n",
1580                 end, i);
1581         dev_dbg(rtsx_dev(chip), "Total unused block: %d\n",
1582                 zone->unused_blk_cnt);
1583
1584         if ((zone->unused_blk_cnt - i) < 1)
1585                 chip->card_wp |= XD_CARD;
1586
1587         zone->build_flag = 1;
1588
1589         return STATUS_SUCCESS;
1590
1591 Build_Fail:
1592         if (zone->l2p_table) {
1593                 vfree(zone->l2p_table);
1594                 zone->l2p_table = NULL;
1595         }
1596         if (zone->free_table) {
1597                 vfree(zone->free_table);
1598                 zone->free_table = NULL;
1599         }
1600
1601         return STATUS_FAIL;
1602 }
1603
1604 static int xd_send_cmd(struct rtsx_chip *chip, u8 cmd)
1605 {
1606         int retval;
1607
1608         rtsx_init_cmd(chip);
1609
1610         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, cmd);
1611         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1612                 XD_TRANSFER_START | XD_SET_CMD);
1613         rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1614                 XD_TRANSFER_END, XD_TRANSFER_END);
1615
1616         retval = rtsx_send_cmd(chip, XD_CARD, 200);
1617         if (retval < 0) {
1618                 rtsx_trace(chip);
1619                 return STATUS_FAIL;
1620         }
1621
1622         return STATUS_SUCCESS;
1623 }
1624
1625 static int xd_read_multiple_pages(struct rtsx_chip *chip, u32 phy_blk,
1626                                 u32 log_blk, u8 start_page, u8 end_page,
1627                                 u8 *buf, unsigned int *index,
1628                                 unsigned int *offset)
1629 {
1630         struct xd_info *xd_card = &(chip->xd_card);
1631         u32 page_addr, new_blk;
1632         u16 log_off;
1633         u8 reg_val, page_cnt;
1634         int zone_no, retval, i;
1635
1636         if (start_page > end_page) {
1637                 rtsx_trace(chip);
1638                 return STATUS_FAIL;
1639         }
1640
1641         page_cnt = end_page - start_page;
1642         zone_no = (int)(log_blk / 1000);
1643         log_off = (u16)(log_blk % 1000);
1644
1645         if ((phy_blk & 0x3FF) == 0x3FF) {
1646                 for (i = 0; i < 256; i++) {
1647                         page_addr = ((u32)i) << xd_card->block_shift;
1648
1649                         retval = xd_read_redundant(chip, page_addr, NULL, 0);
1650                         if (retval == STATUS_SUCCESS)
1651                                 break;
1652
1653                         if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1654                                 xd_set_err_code(chip, XD_NO_CARD);
1655                                 rtsx_trace(chip);
1656                                 return STATUS_FAIL;
1657                         }
1658                 }
1659         }
1660
1661         page_addr = (phy_blk << xd_card->block_shift) + start_page;
1662
1663         rtsx_init_cmd(chip);
1664
1665         xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1666         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_PPB_TO_SIE, XD_PPB_TO_SIE);
1667         rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER);
1668         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt);
1669         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
1670                         XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS);
1671
1672         trans_dma_enable(chip->srb->sc_data_direction, chip,
1673                         page_cnt * 512, DMA_512);
1674
1675         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1676                 XD_TRANSFER_START | XD_READ_PAGES);
1677         rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1678                 XD_TRANSFER_END | XD_PPB_EMPTY, XD_TRANSFER_END | XD_PPB_EMPTY);
1679
1680         rtsx_send_cmd_no_wait(chip);
1681
1682         retval = rtsx_transfer_data_partial(chip, XD_CARD, buf, page_cnt * 512,
1683                                         scsi_sg_count(chip->srb),
1684                                         index, offset, DMA_FROM_DEVICE,
1685                                         chip->xd_timeout);
1686         if (retval < 0) {
1687                 rtsx_clear_xd_error(chip);
1688
1689                 if (retval == -ETIMEDOUT) {
1690                         xd_set_err_code(chip, XD_TO_ERROR);
1691                         rtsx_trace(chip);
1692                         return STATUS_FAIL;
1693                 } else {
1694                         rtsx_trace(chip);
1695                         goto Fail;
1696                 }
1697         }
1698
1699         return STATUS_SUCCESS;
1700
1701 Fail:
1702         retval = rtsx_read_register(chip, XD_PAGE_STATUS, &reg_val);
1703         if (retval) {
1704                 rtsx_trace(chip);
1705                 return retval;
1706         }
1707
1708         if (reg_val !=  XD_GPG)
1709                 xd_set_err_code(chip, XD_PRG_ERROR);
1710
1711         retval = rtsx_read_register(chip, XD_CTL, &reg_val);
1712         if (retval) {
1713                 rtsx_trace(chip);
1714                 return retval;
1715         }
1716
1717         if (((reg_val & (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1718                                 == (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1719                 || ((reg_val & (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))
1720                         == (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))) {
1721                 wait_timeout(100);
1722
1723                 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1724                         xd_set_err_code(chip, XD_NO_CARD);
1725                         rtsx_trace(chip);
1726                         return STATUS_FAIL;
1727                 }
1728
1729                 xd_set_err_code(chip, XD_ECC_ERROR);
1730
1731                 new_blk = xd_get_unused_block(chip, zone_no);
1732                 if (new_blk == NO_NEW_BLK) {
1733                         XD_CLR_BAD_OLDBLK(xd_card);
1734                         rtsx_trace(chip);
1735                         return STATUS_FAIL;
1736                 }
1737
1738                 retval = xd_copy_page(chip, phy_blk, new_blk, 0,
1739                                 xd_card->page_off + 1);
1740                 if (retval != STATUS_SUCCESS) {
1741                         if (!XD_CHK_BAD_NEWBLK(xd_card)) {
1742                                 retval = xd_erase_block(chip, new_blk);
1743                                 if (retval == STATUS_SUCCESS)
1744                                         xd_set_unused_block(chip, new_blk);
1745                         } else {
1746                                 XD_CLR_BAD_NEWBLK(xd_card);
1747                         }
1748                         XD_CLR_BAD_OLDBLK(xd_card);
1749                         rtsx_trace(chip);
1750                         return STATUS_FAIL;
1751                 }
1752                 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF));
1753                 xd_erase_block(chip, phy_blk);
1754                 xd_mark_bad_block(chip, phy_blk);
1755                 XD_CLR_BAD_OLDBLK(xd_card);
1756         }
1757
1758         rtsx_trace(chip);
1759         return STATUS_FAIL;
1760 }
1761
1762 static int xd_finish_write(struct rtsx_chip *chip,
1763                 u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off)
1764 {
1765         struct xd_info *xd_card = &(chip->xd_card);
1766         int retval, zone_no;
1767         u16 log_off;
1768
1769         dev_dbg(rtsx_dev(chip), "xd_finish_write, old_blk = 0x%x, new_blk = 0x%x, log_blk = 0x%x\n",
1770                 old_blk, new_blk, log_blk);
1771
1772         if (page_off > xd_card->page_off) {
1773                 rtsx_trace(chip);
1774                 return STATUS_FAIL;
1775         }
1776
1777         zone_no = (int)(log_blk / 1000);
1778         log_off = (u16)(log_blk % 1000);
1779
1780         if (old_blk == BLK_NOT_FOUND) {
1781                 retval = xd_init_page(chip, new_blk, log_off,
1782                                 page_off, xd_card->page_off + 1);
1783                 if (retval != STATUS_SUCCESS) {
1784                         retval = xd_erase_block(chip, new_blk);
1785                         if (retval == STATUS_SUCCESS)
1786                                 xd_set_unused_block(chip, new_blk);
1787                         rtsx_trace(chip);
1788                         return STATUS_FAIL;
1789                 }
1790         } else {
1791                 retval = xd_copy_page(chip, old_blk, new_blk,
1792                                 page_off, xd_card->page_off + 1);
1793                 if (retval != STATUS_SUCCESS) {
1794                         if (!XD_CHK_BAD_NEWBLK(xd_card)) {
1795                                 retval = xd_erase_block(chip, new_blk);
1796                                 if (retval == STATUS_SUCCESS)
1797                                         xd_set_unused_block(chip, new_blk);
1798                         }
1799                         XD_CLR_BAD_NEWBLK(xd_card);
1800                         rtsx_trace(chip);
1801                         return STATUS_FAIL;
1802                 }
1803
1804                 retval = xd_erase_block(chip, old_blk);
1805                 if (retval == STATUS_SUCCESS) {
1806                         if (XD_CHK_BAD_OLDBLK(xd_card)) {
1807                                 xd_mark_bad_block(chip, old_blk);
1808                                 XD_CLR_BAD_OLDBLK(xd_card);
1809                         } else {
1810                                 xd_set_unused_block(chip, old_blk);
1811                         }
1812                 } else {
1813                         xd_set_err_code(chip, XD_NO_ERROR);
1814                         XD_CLR_BAD_OLDBLK(xd_card);
1815                 }
1816         }
1817
1818         xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF));
1819
1820         return STATUS_SUCCESS;
1821 }
1822
1823 static int xd_prepare_write(struct rtsx_chip *chip,
1824                 u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off)
1825 {
1826         int retval;
1827
1828         dev_dbg(rtsx_dev(chip), "%s, old_blk = 0x%x, new_blk = 0x%x, log_blk = 0x%x, page_off = %d\n",
1829                 __func__, old_blk, new_blk, log_blk, (int)page_off);
1830
1831         if (page_off) {
1832                 retval = xd_copy_page(chip, old_blk, new_blk, 0, page_off);
1833                 if (retval != STATUS_SUCCESS) {
1834                         rtsx_trace(chip);
1835                         return STATUS_FAIL;
1836                 }
1837         }
1838
1839         return STATUS_SUCCESS;
1840 }
1841
1842
1843 static int xd_write_multiple_pages(struct rtsx_chip *chip, u32 old_blk,
1844                                 u32 new_blk, u32 log_blk, u8 start_page,
1845                                 u8 end_page, u8 *buf, unsigned int *index,
1846                                 unsigned int *offset)
1847 {
1848         struct xd_info *xd_card = &(chip->xd_card);
1849         u32 page_addr;
1850         int zone_no, retval;
1851         u16 log_off;
1852         u8 page_cnt, reg_val;
1853
1854         dev_dbg(rtsx_dev(chip), "%s, old_blk = 0x%x, new_blk = 0x%x, log_blk = 0x%x\n",
1855                 __func__, old_blk, new_blk, log_blk);
1856
1857         if (start_page > end_page) {
1858                 rtsx_trace(chip);
1859                 return STATUS_FAIL;
1860         }
1861
1862         page_cnt = end_page - start_page;
1863         zone_no = (int)(log_blk / 1000);
1864         log_off = (u16)(log_blk % 1000);
1865
1866         page_addr = (new_blk << xd_card->block_shift) + start_page;
1867
1868         retval = xd_send_cmd(chip, READ1_1);
1869         if (retval != STATUS_SUCCESS) {
1870                 rtsx_trace(chip);
1871                 return STATUS_FAIL;
1872         }
1873
1874         rtsx_init_cmd(chip);
1875
1876         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H,
1877                 0xFF, (u8)(log_off >> 8));
1878         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, (u8)log_off);
1879         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, XD_GBLK);
1880         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG);
1881
1882         xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1883
1884         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_BA_TRANSFORM,
1885                 XD_BA_TRANSFORM);
1886         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt);
1887         rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER);
1888
1889         trans_dma_enable(chip->srb->sc_data_direction, chip,
1890                         page_cnt * 512, DMA_512);
1891
1892         rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER,
1893                 0xFF, XD_TRANSFER_START | XD_WRITE_PAGES);
1894         rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1895                 XD_TRANSFER_END, XD_TRANSFER_END);
1896
1897         rtsx_send_cmd_no_wait(chip);
1898
1899         retval = rtsx_transfer_data_partial(chip, XD_CARD, buf, page_cnt * 512,
1900                                         scsi_sg_count(chip->srb),
1901                         index, offset, DMA_TO_DEVICE, chip->xd_timeout);
1902         if (retval < 0) {
1903                 rtsx_clear_xd_error(chip);
1904
1905                 if (retval == -ETIMEDOUT) {
1906                         xd_set_err_code(chip, XD_TO_ERROR);
1907                         rtsx_trace(chip);
1908                         return STATUS_FAIL;
1909                 } else {
1910                         rtsx_trace(chip);
1911                         goto Fail;
1912                 }
1913         }
1914
1915         if (end_page == (xd_card->page_off + 1)) {
1916                 xd_card->delay_write.delay_write_flag = 0;
1917
1918                 if (old_blk != BLK_NOT_FOUND) {
1919                         retval = xd_erase_block(chip, old_blk);
1920                         if (retval == STATUS_SUCCESS) {
1921                                 if (XD_CHK_BAD_OLDBLK(xd_card)) {
1922                                         xd_mark_bad_block(chip, old_blk);
1923                                         XD_CLR_BAD_OLDBLK(xd_card);
1924                                 } else {
1925                                         xd_set_unused_block(chip, old_blk);
1926                                 }
1927                         } else {
1928                                 xd_set_err_code(chip, XD_NO_ERROR);
1929                                 XD_CLR_BAD_OLDBLK(xd_card);
1930                         }
1931                 }
1932                 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF));
1933         }
1934
1935         return STATUS_SUCCESS;
1936
1937 Fail:
1938         retval = rtsx_read_register(chip, XD_DAT, &reg_val);
1939         if (retval) {
1940                 rtsx_trace(chip);
1941                 return retval;
1942         }
1943         if (reg_val & PROGRAM_ERROR) {
1944                 xd_set_err_code(chip, XD_PRG_ERROR);
1945                 xd_mark_bad_block(chip, new_blk);
1946         }
1947
1948         rtsx_trace(chip);
1949         return STATUS_FAIL;
1950 }
1951
1952 #ifdef XD_DELAY_WRITE
1953 int xd_delay_write(struct rtsx_chip *chip)
1954 {
1955         struct xd_info *xd_card = &(chip->xd_card);
1956         struct xd_delay_write_tag *delay_write = &(xd_card->delay_write);
1957         int retval;
1958
1959         if (delay_write->delay_write_flag) {
1960                 dev_dbg(rtsx_dev(chip), "xd_delay_write\n");
1961                 retval = xd_switch_clock(chip);
1962                 if (retval != STATUS_SUCCESS) {
1963                         rtsx_trace(chip);
1964                         return STATUS_FAIL;
1965                 }
1966
1967                 delay_write->delay_write_flag = 0;
1968                 retval = xd_finish_write(chip,
1969                                 delay_write->old_phyblock,
1970                                         delay_write->new_phyblock,
1971                                 delay_write->logblock, delay_write->pageoff);
1972                 if (retval != STATUS_SUCCESS) {
1973                         rtsx_trace(chip);
1974                         return STATUS_FAIL;
1975                 }
1976         }
1977
1978         return STATUS_SUCCESS;
1979 }
1980 #endif
1981
1982 int xd_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip,
1983         u32 start_sector, u16 sector_cnt)
1984 {
1985         struct xd_info *xd_card = &(chip->xd_card);
1986         unsigned int lun = SCSI_LUN(srb);
1987 #ifdef XD_DELAY_WRITE
1988         struct xd_delay_write_tag *delay_write = &(xd_card->delay_write);
1989 #endif
1990         int retval, zone_no;
1991         unsigned int index = 0, offset = 0;
1992         u32 log_blk, old_blk = 0, new_blk = 0;
1993         u16 log_off, total_sec_cnt = sector_cnt;
1994         u8 start_page, end_page = 0, page_cnt;
1995         u8 *ptr;
1996
1997         xd_set_err_code(chip, XD_NO_ERROR);
1998
1999         xd_card->cleanup_counter = 0;
2000
2001         dev_dbg(rtsx_dev(chip), "xd_rw: scsi_sg_count = %d\n",
2002                 scsi_sg_count(srb));
2003
2004         ptr = (u8 *)scsi_sglist(srb);
2005
2006         retval = xd_switch_clock(chip);
2007         if (retval != STATUS_SUCCESS) {
2008                 rtsx_trace(chip);
2009                 return STATUS_FAIL;
2010         }
2011
2012
2013         if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2014                 chip->card_fail |= XD_CARD;
2015                 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
2016                 rtsx_trace(chip);
2017                 return STATUS_FAIL;
2018         }
2019
2020         log_blk = start_sector >> xd_card->block_shift;
2021         start_page = (u8)start_sector & xd_card->page_off;
2022         zone_no = (int)(log_blk / 1000);
2023         log_off = (u16)(log_blk % 1000);
2024
2025         if (xd_card->zone[zone_no].build_flag == 0) {
2026                 retval = xd_build_l2p_tbl(chip, zone_no);
2027                 if (retval != STATUS_SUCCESS) {
2028                         chip->card_fail |= XD_CARD;
2029                         set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
2030                         rtsx_trace(chip);
2031                         return STATUS_FAIL;
2032                 }
2033         }
2034
2035         if (srb->sc_data_direction == DMA_TO_DEVICE) {
2036 #ifdef XD_DELAY_WRITE
2037                 if (delay_write->delay_write_flag &&
2038                                 (delay_write->logblock == log_blk) &&
2039                                 (start_page > delay_write->pageoff)) {
2040                         delay_write->delay_write_flag = 0;
2041                         if (delay_write->old_phyblock != BLK_NOT_FOUND) {
2042                                 retval = xd_copy_page(chip,
2043                                         delay_write->old_phyblock,
2044                                         delay_write->new_phyblock,
2045                                         delay_write->pageoff, start_page);
2046                                 if (retval != STATUS_SUCCESS) {
2047                                         set_sense_type(chip, lun,
2048                                                 SENSE_TYPE_MEDIA_WRITE_ERR);
2049                                         rtsx_trace(chip);
2050                                         return STATUS_FAIL;
2051                                 }
2052                         }
2053                         old_blk = delay_write->old_phyblock;
2054                         new_blk = delay_write->new_phyblock;
2055                 } else if (delay_write->delay_write_flag &&
2056                                 (delay_write->logblock == log_blk) &&
2057                                 (start_page == delay_write->pageoff)) {
2058                         delay_write->delay_write_flag = 0;
2059                         old_blk = delay_write->old_phyblock;
2060                         new_blk = delay_write->new_phyblock;
2061                 } else {
2062                         retval = xd_delay_write(chip);
2063                         if (retval != STATUS_SUCCESS) {
2064                                 set_sense_type(chip, lun,
2065                                         SENSE_TYPE_MEDIA_WRITE_ERR);
2066                                 rtsx_trace(chip);
2067                                 return STATUS_FAIL;
2068                         }
2069 #endif
2070                         old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
2071                         new_blk  = xd_get_unused_block(chip, zone_no);
2072                         if ((old_blk == BLK_NOT_FOUND) ||
2073                                 (new_blk == BLK_NOT_FOUND)) {
2074                                 set_sense_type(chip, lun,
2075                                         SENSE_TYPE_MEDIA_WRITE_ERR);
2076                                 rtsx_trace(chip);
2077                                 return STATUS_FAIL;
2078                         }
2079
2080                         retval = xd_prepare_write(chip, old_blk, new_blk,
2081                                                 log_blk, start_page);
2082                         if (retval != STATUS_SUCCESS) {
2083                                 if (detect_card_cd(chip, XD_CARD) !=
2084                                         STATUS_SUCCESS) {
2085                                         set_sense_type(chip, lun,
2086                                                 SENSE_TYPE_MEDIA_NOT_PRESENT);
2087                                         rtsx_trace(chip);
2088                                         return STATUS_FAIL;
2089                                 }
2090                                 set_sense_type(chip, lun,
2091                                         SENSE_TYPE_MEDIA_WRITE_ERR);
2092                                 rtsx_trace(chip);
2093                                 return STATUS_FAIL;
2094                         }
2095 #ifdef XD_DELAY_WRITE
2096                 }
2097 #endif
2098         } else {
2099 #ifdef XD_DELAY_WRITE
2100                 retval = xd_delay_write(chip);
2101                 if (retval != STATUS_SUCCESS) {
2102                         if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2103                                 set_sense_type(chip, lun,
2104                                         SENSE_TYPE_MEDIA_NOT_PRESENT);
2105                                 rtsx_trace(chip);
2106                                 return STATUS_FAIL;
2107                         }
2108                         set_sense_type(chip, lun,
2109                                 SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2110                         rtsx_trace(chip);
2111                         return STATUS_FAIL;
2112                 }
2113 #endif
2114
2115                 old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
2116                 if (old_blk == BLK_NOT_FOUND) {
2117                         set_sense_type(chip, lun,
2118                                 SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2119                         rtsx_trace(chip);
2120                         return STATUS_FAIL;
2121                 }
2122         }
2123
2124         dev_dbg(rtsx_dev(chip), "old_blk = 0x%x\n", old_blk);
2125
2126         while (total_sec_cnt) {
2127                 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2128                         chip->card_fail |= XD_CARD;
2129                         set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
2130                         rtsx_trace(chip);
2131                         return STATUS_FAIL;
2132                 }
2133
2134                 if ((start_page + total_sec_cnt) > (xd_card->page_off + 1))
2135                         end_page = xd_card->page_off + 1;
2136                 else
2137                         end_page = start_page + (u8)total_sec_cnt;
2138
2139                 page_cnt = end_page - start_page;
2140                 if (srb->sc_data_direction == DMA_FROM_DEVICE) {
2141                         retval = xd_read_multiple_pages(chip, old_blk, log_blk,
2142                                         start_page, end_page, ptr,
2143                                                         &index, &offset);
2144                         if (retval != STATUS_SUCCESS) {
2145                                 set_sense_type(chip, lun,
2146                                         SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2147                                 rtsx_trace(chip);
2148                                 return STATUS_FAIL;
2149                         }
2150                 } else {
2151                         retval = xd_write_multiple_pages(chip, old_blk,
2152                                                         new_blk, log_blk,
2153                                         start_page, end_page, ptr,
2154                                                         &index, &offset);
2155                         if (retval != STATUS_SUCCESS) {
2156                                 set_sense_type(chip, lun,
2157                                         SENSE_TYPE_MEDIA_WRITE_ERR);
2158                                 rtsx_trace(chip);
2159                                 return STATUS_FAIL;
2160                         }
2161                 }
2162
2163                 total_sec_cnt -= page_cnt;
2164                 if (scsi_sg_count(srb) == 0)
2165                         ptr += page_cnt * 512;
2166
2167                 if (total_sec_cnt == 0)
2168                         break;
2169
2170                 log_blk++;
2171                 zone_no = (int)(log_blk / 1000);
2172                 log_off = (u16)(log_blk % 1000);
2173
2174                 if (xd_card->zone[zone_no].build_flag == 0) {
2175                         retval = xd_build_l2p_tbl(chip, zone_no);
2176                         if (retval != STATUS_SUCCESS) {
2177                                 chip->card_fail |= XD_CARD;
2178                                 set_sense_type(chip, lun,
2179                                         SENSE_TYPE_MEDIA_NOT_PRESENT);
2180                                 rtsx_trace(chip);
2181                                 return STATUS_FAIL;
2182                         }
2183                 }
2184
2185                 old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
2186                 if (old_blk == BLK_NOT_FOUND) {
2187                         if (srb->sc_data_direction == DMA_FROM_DEVICE)
2188                                 set_sense_type(chip, lun,
2189                                         SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2190                         else
2191                                 set_sense_type(chip, lun,
2192                                         SENSE_TYPE_MEDIA_WRITE_ERR);
2193
2194                         rtsx_trace(chip);
2195                         return STATUS_FAIL;
2196                 }
2197
2198                 if (srb->sc_data_direction == DMA_TO_DEVICE) {
2199                         new_blk = xd_get_unused_block(chip, zone_no);
2200                         if (new_blk == BLK_NOT_FOUND) {
2201                                 set_sense_type(chip, lun,
2202                                         SENSE_TYPE_MEDIA_WRITE_ERR);
2203                                 rtsx_trace(chip);
2204                                 return STATUS_FAIL;
2205                         }
2206                 }
2207
2208                 start_page = 0;
2209         }
2210
2211         if ((srb->sc_data_direction == DMA_TO_DEVICE) &&
2212                         (end_page != (xd_card->page_off + 1))) {
2213 #ifdef XD_DELAY_WRITE
2214                 delay_write->delay_write_flag = 1;
2215                 delay_write->old_phyblock = old_blk;
2216                 delay_write->new_phyblock = new_blk;
2217                 delay_write->logblock = log_blk;
2218                 delay_write->pageoff = end_page;
2219 #else
2220                 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2221                         chip->card_fail |= XD_CARD;
2222                         set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
2223                         rtsx_trace(chip);
2224                         return STATUS_FAIL;
2225                 }
2226
2227                 retval = xd_finish_write(chip, old_blk, new_blk,
2228                                         log_blk, end_page);
2229                 if (retval != STATUS_SUCCESS) {
2230                         if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2231                                 set_sense_type(chip, lun,
2232                                         SENSE_TYPE_MEDIA_NOT_PRESENT);
2233                                 rtsx_trace(chip);
2234                                 return STATUS_FAIL;
2235                         }
2236                         set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
2237                         rtsx_trace(chip);
2238                         return STATUS_FAIL;
2239                 }
2240 #endif
2241         }
2242
2243         scsi_set_resid(srb, 0);
2244
2245         return STATUS_SUCCESS;
2246 }
2247
2248 void xd_free_l2p_tbl(struct rtsx_chip *chip)
2249 {
2250         struct xd_info *xd_card = &(chip->xd_card);
2251         int i = 0;
2252
2253         if (xd_card->zone != NULL) {
2254                 for (i = 0; i < xd_card->zone_cnt; i++) {
2255                         if (xd_card->zone[i].l2p_table != NULL) {
2256                                 vfree(xd_card->zone[i].l2p_table);
2257                                 xd_card->zone[i].l2p_table = NULL;
2258                         }
2259                         if (xd_card->zone[i].free_table != NULL) {
2260                                 vfree(xd_card->zone[i].free_table);
2261                                 xd_card->zone[i].free_table = NULL;
2262                         }
2263                 }
2264                 vfree(xd_card->zone);
2265                 xd_card->zone = NULL;
2266         }
2267 }
2268
2269 void xd_cleanup_work(struct rtsx_chip *chip)
2270 {
2271 #ifdef XD_DELAY_WRITE
2272         struct xd_info *xd_card = &(chip->xd_card);
2273
2274         if (xd_card->delay_write.delay_write_flag) {
2275                 dev_dbg(rtsx_dev(chip), "xD: delay write\n");
2276                 xd_delay_write(chip);
2277                 xd_card->cleanup_counter = 0;
2278         }
2279 #endif
2280 }
2281
2282 int xd_power_off_card3v3(struct rtsx_chip *chip)
2283 {
2284         int retval;
2285
2286         retval = disable_card_clock(chip, XD_CARD);
2287         if (retval != STATUS_SUCCESS) {
2288                 rtsx_trace(chip);
2289                 return STATUS_FAIL;
2290         }
2291
2292         retval = rtsx_write_register(chip, CARD_OE, XD_OUTPUT_EN, 0);
2293         if (retval) {
2294                 rtsx_trace(chip);
2295                 return retval;
2296         }
2297
2298         if (!chip->ft2_fast_mode) {
2299                 retval = card_power_off(chip, XD_CARD);
2300                 if (retval != STATUS_SUCCESS) {
2301                         rtsx_trace(chip);
2302                         return STATUS_FAIL;
2303                 }
2304
2305                 wait_timeout(50);
2306         }
2307
2308         if (chip->asic_code) {
2309                 retval = xd_pull_ctl_disable(chip);
2310                 if (retval != STATUS_SUCCESS) {
2311                         rtsx_trace(chip);
2312                         return STATUS_FAIL;
2313                 }
2314         } else {
2315                 retval = rtsx_write_register(chip, FPGA_PULL_CTL, 0xFF, 0xDF);
2316                 if (retval) {
2317                         rtsx_trace(chip);
2318                         return retval;
2319                 }
2320         }
2321
2322         return STATUS_SUCCESS;
2323 }
2324
2325 int release_xd_card(struct rtsx_chip *chip)
2326 {
2327         struct xd_info *xd_card = &(chip->xd_card);
2328         int retval;
2329
2330         chip->card_ready &= ~XD_CARD;
2331         chip->card_fail &= ~XD_CARD;
2332         chip->card_wp &= ~XD_CARD;
2333
2334         xd_card->delay_write.delay_write_flag = 0;
2335
2336         xd_free_l2p_tbl(chip);
2337
2338         retval = xd_power_off_card3v3(chip);
2339         if (retval != STATUS_SUCCESS) {
2340                 rtsx_trace(chip);
2341                 return STATUS_FAIL;
2342         }
2343
2344         return STATUS_SUCCESS;
2345 }