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xfs: XFS_IS_REALTIME_INODE() should be false if no rt device present
[linux/fpc-iii.git] / drivers / staging / rts5208 / xd.c
blob10fea7bb8f3088d395a2a1d4402783ae921e50fd
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 }
1383 xd_set_err_code(chip, XD_ERASE_FAIL);
1384 retval = xd_reset_cmd(chip);
1385 if (retval != STATUS_SUCCESS) {
1386 rtsx_trace(chip);
1387 return STATUS_FAIL;
1388 }
1389 continue;
1390 }
1391
1392 ptr = rtsx_get_cmd_data(chip) + 1;
1393 if (*ptr & PROGRAM_ERROR) {
1394 xd_mark_bad_block(chip, phy_blk);
1395 xd_set_err_code(chip, XD_PRG_ERROR);
1396 rtsx_trace(chip);
1397 return STATUS_FAIL;
1398 }
1399
1400 return STATUS_SUCCESS;
1401 }
1402
1403 xd_mark_bad_block(chip, phy_blk);
1404 xd_set_err_code(chip, XD_ERASE_FAIL);
1405 rtsx_trace(chip);
1406 return STATUS_FAIL;
1407 }
1408
1409
1410 static int xd_build_l2p_tbl(struct rtsx_chip *chip, int zone_no)
1411 {
1412 struct xd_info *xd_card = &(chip->xd_card);
1413 struct zone_entry *zone;
1414 int retval;
1415 u32 start, end, i;
1416 u16 max_logoff, cur_fst_page_logoff;
1417 u16 cur_lst_page_logoff, ent_lst_page_logoff;
1418 u8 redunt[11];
1419
1420 dev_dbg(rtsx_dev(chip), "xd_build_l2p_tbl: %d\n", zone_no);
1421
1422 if (xd_card->zone == NULL) {
1423 retval = xd_init_l2p_tbl(chip);
1424 if (retval != STATUS_SUCCESS)
1425 return retval;
1426 }
1427
1428 if (xd_card->zone[zone_no].build_flag) {
1429 dev_dbg(rtsx_dev(chip), "l2p table of zone %d has been built\n",
1430 zone_no);
1431 return STATUS_SUCCESS;
1432 }
1433
1434 zone = &(xd_card->zone[zone_no]);
1435
1436 if (zone->l2p_table == NULL) {
1437 zone->l2p_table = vmalloc(2000);
1438 if (zone->l2p_table == NULL) {
1439 rtsx_trace(chip);
1440 goto Build_Fail;
1441 }
1442 }
1443 memset((u8 *)(zone->l2p_table), 0xff, 2000);
1444
1445 if (zone->free_table == NULL) {
1446 zone->free_table = vmalloc(XD_FREE_TABLE_CNT * 2);
1447 if (zone->free_table == NULL) {
1448 rtsx_trace(chip);
1449 goto Build_Fail;
1450 }
1451 }
1452 memset((u8 *)(zone->free_table), 0xff, XD_FREE_TABLE_CNT * 2);
1453
1454 if (zone_no == 0) {
1455 if (xd_card->cis_block == 0xFFFF)
1456 start = 0;
1457 else
1458 start = xd_card->cis_block + 1;
1459 if (XD_CHK_4MB(xd_card)) {
1460 end = 0x200;
1461 max_logoff = 499;
1462 } else {
1463 end = 0x400;
1464 max_logoff = 999;
1465 }
1466 } else {
1467 start = (u32)(zone_no) << 10;
1468 end = (u32)(zone_no + 1) << 10;
1469 max_logoff = 999;
1470 }
1471
1472 dev_dbg(rtsx_dev(chip), "start block 0x%x, end block 0x%x\n",
1473 start, end);
1474
1475 zone->set_index = zone->get_index = 0;
1476 zone->unused_blk_cnt = 0;
1477
1478 for (i = start; i < end; i++) {
1479 u32 page_addr = i << xd_card->block_shift;
1480 u32 phy_block;
1481
1482 retval = xd_read_redundant(chip, page_addr, redunt, 11);
1483 if (retval != STATUS_SUCCESS)
1484 continue;
1485
1486 if (redunt[BLOCK_STATUS] != 0xFF) {
1487 dev_dbg(rtsx_dev(chip), "bad block\n");
1488 continue;
1489 }
1490
1491 if (xd_check_data_blank(redunt)) {
1492 dev_dbg(rtsx_dev(chip), "blank block\n");
1493 xd_set_unused_block(chip, i);
1494 continue;
1495 }
1496
1497 cur_fst_page_logoff = xd_load_log_block_addr(redunt);
1498 if ((cur_fst_page_logoff == 0xFFFF) ||
1499 (cur_fst_page_logoff > max_logoff)) {
1500 retval = xd_erase_block(chip, i);
1501 if (retval == STATUS_SUCCESS)
1502 xd_set_unused_block(chip, i);
1503 continue;
1504 }
1505
1506 if ((zone_no == 0) && (cur_fst_page_logoff == 0) &&
1507 (redunt[PAGE_STATUS] != XD_GPG))
1508 XD_SET_MBR_FAIL(xd_card);
1509
1510 if (zone->l2p_table[cur_fst_page_logoff] == 0xFFFF) {
1511 zone->l2p_table[cur_fst_page_logoff] = (u16)(i & 0x3FF);
1512 continue;
1513 }
1514
1515 phy_block = zone->l2p_table[cur_fst_page_logoff] +
1516 ((u32)((zone_no) << 10));
1517
1518 page_addr = ((i + 1) << xd_card->block_shift) - 1;
1519
1520 retval = xd_read_redundant(chip, page_addr, redunt, 11);
1521 if (retval != STATUS_SUCCESS)
1522 continue;
1523
1524 cur_lst_page_logoff = xd_load_log_block_addr(redunt);
1525 if (cur_lst_page_logoff == cur_fst_page_logoff) {
1526 int m;
1527
1528 page_addr = ((phy_block + 1) <<
1529 xd_card->block_shift) - 1;
1530
1531 for (m = 0; m < 3; m++) {
1532 retval = xd_read_redundant(chip, page_addr,
1533 redunt, 11);
1534 if (retval == STATUS_SUCCESS)
1535 break;
1536 }
1537
1538 if (m == 3) {
1539 zone->l2p_table[cur_fst_page_logoff] =
1540 (u16)(i & 0x3FF);
1541 retval = xd_erase_block(chip, phy_block);
1542 if (retval == STATUS_SUCCESS)
1543 xd_set_unused_block(chip, phy_block);
1544 continue;
1545 }
1546
1547 ent_lst_page_logoff = xd_load_log_block_addr(redunt);
1548 if (ent_lst_page_logoff != cur_fst_page_logoff) {
1549 zone->l2p_table[cur_fst_page_logoff] =
1550 (u16)(i & 0x3FF);
1551 retval = xd_erase_block(chip, phy_block);
1552 if (retval == STATUS_SUCCESS)
1553 xd_set_unused_block(chip, phy_block);
1554 continue;
1555 } else {
1556 retval = xd_erase_block(chip, i);
1557 if (retval == STATUS_SUCCESS)
1558 xd_set_unused_block(chip, i);
1559 }
1560 } else {
1561 retval = xd_erase_block(chip, i);
1562 if (retval == STATUS_SUCCESS)
1563 xd_set_unused_block(chip, i);
1564 }
1565 }
1566
1567 if (XD_CHK_4MB(xd_card))
1568 end = 500;
1569 else
1570 end = 1000;
1571
1572 i = 0;
1573 for (start = 0; start < end; start++) {
1574 if (zone->l2p_table[start] == 0xFFFF)
1575 i++;
1576 }
1577
1578 dev_dbg(rtsx_dev(chip), "Block count %d, invalid L2P entry %d\n",
1579 end, i);
1580 dev_dbg(rtsx_dev(chip), "Total unused block: %d\n",
1581 zone->unused_blk_cnt);
1582
1583 if ((zone->unused_blk_cnt - i) < 1)
1584 chip->card_wp |= XD_CARD;
1585
1586 zone->build_flag = 1;
1587
1588 return STATUS_SUCCESS;
1589
1590 Build_Fail:
1591 if (zone->l2p_table) {
1592 vfree(zone->l2p_table);
1593 zone->l2p_table = NULL;
1594 }
1595 if (zone->free_table) {
1596 vfree(zone->free_table);
1597 zone->free_table = NULL;
1598 }
1599
1600 return STATUS_FAIL;
1601 }
1602
1603 static int xd_send_cmd(struct rtsx_chip *chip, u8 cmd)
1604 {
1605 int retval;
1606
1607 rtsx_init_cmd(chip);
1608
1609 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, cmd);
1610 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1611 XD_TRANSFER_START | XD_SET_CMD);
1612 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1613 XD_TRANSFER_END, XD_TRANSFER_END);
1614
1615 retval = rtsx_send_cmd(chip, XD_CARD, 200);
1616 if (retval < 0) {
1617 rtsx_trace(chip);
1618 return STATUS_FAIL;
1619 }
1620
1621 return STATUS_SUCCESS;
1622 }
1623
1624 static int xd_read_multiple_pages(struct rtsx_chip *chip, u32 phy_blk,
1625 u32 log_blk, u8 start_page, u8 end_page,
1626 u8 *buf, unsigned int *index,
1627 unsigned int *offset)
1628 {
1629 struct xd_info *xd_card = &(chip->xd_card);
1630 u32 page_addr, new_blk;
1631 u16 log_off;
1632 u8 reg_val, page_cnt;
1633 int zone_no, retval, i;
1634
1635 if (start_page > end_page) {
1636 rtsx_trace(chip);
1637 return STATUS_FAIL;
1638 }
1639
1640 page_cnt = end_page - start_page;
1641 zone_no = (int)(log_blk / 1000);
1642 log_off = (u16)(log_blk % 1000);
1643
1644 if ((phy_blk & 0x3FF) == 0x3FF) {
1645 for (i = 0; i < 256; i++) {
1646 page_addr = ((u32)i) << xd_card->block_shift;
1647
1648 retval = xd_read_redundant(chip, page_addr, NULL, 0);
1649 if (retval == STATUS_SUCCESS)
1650 break;
1651
1652 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1653 xd_set_err_code(chip, XD_NO_CARD);
1654 rtsx_trace(chip);
1655 return STATUS_FAIL;
1656 }
1657 }
1658 }
1659
1660 page_addr = (phy_blk << xd_card->block_shift) + start_page;
1661
1662 rtsx_init_cmd(chip);
1663
1664 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1665 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_PPB_TO_SIE, XD_PPB_TO_SIE);
1666 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER);
1667 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt);
1668 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
1669 XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS);
1670
1671 trans_dma_enable(chip->srb->sc_data_direction, chip,
1672 page_cnt * 512, DMA_512);
1673
1674 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1675 XD_TRANSFER_START | XD_READ_PAGES);
1676 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1677 XD_TRANSFER_END | XD_PPB_EMPTY, XD_TRANSFER_END | XD_PPB_EMPTY);
1678
1679 rtsx_send_cmd_no_wait(chip);
1680
1681 retval = rtsx_transfer_data_partial(chip, XD_CARD, buf, page_cnt * 512,
1682 scsi_sg_count(chip->srb),
1683 index, offset, DMA_FROM_DEVICE,
1684 chip->xd_timeout);
1685 if (retval < 0) {
1686 rtsx_clear_xd_error(chip);
1687
1688 if (retval == -ETIMEDOUT) {
1689 xd_set_err_code(chip, XD_TO_ERROR);
1690 rtsx_trace(chip);
1691 return STATUS_FAIL;
1692 } else {
1693 rtsx_trace(chip);
1694 goto Fail;
1695 }
1696 }
1697
1698 return STATUS_SUCCESS;
1699
1700 Fail:
1701 retval = rtsx_read_register(chip, XD_PAGE_STATUS, &reg_val);
1702 if (retval) {
1703 rtsx_trace(chip);
1704 return retval;
1705 }
1706
1707 if (reg_val != XD_GPG)
1708 xd_set_err_code(chip, XD_PRG_ERROR);
1709
1710 retval = rtsx_read_register(chip, XD_CTL, &reg_val);
1711 if (retval) {
1712 rtsx_trace(chip);
1713 return retval;
1714 }
1715
1716 if (((reg_val & (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1717 == (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1718 || ((reg_val & (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))
1719 == (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))) {
1720 wait_timeout(100);
1721
1722 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1723 xd_set_err_code(chip, XD_NO_CARD);
1724 rtsx_trace(chip);
1725 return STATUS_FAIL;
1726 }
1727
1728 xd_set_err_code(chip, XD_ECC_ERROR);
1729
1730 new_blk = xd_get_unused_block(chip, zone_no);
1731 if (new_blk == NO_NEW_BLK) {
1732 XD_CLR_BAD_OLDBLK(xd_card);
1733 rtsx_trace(chip);
1734 return STATUS_FAIL;
1735 }
1736
1737 retval = xd_copy_page(chip, phy_blk, new_blk, 0,
1738 xd_card->page_off + 1);
1739 if (retval != STATUS_SUCCESS) {
1740 if (!XD_CHK_BAD_NEWBLK(xd_card)) {
1741 retval = xd_erase_block(chip, new_blk);
1742 if (retval == STATUS_SUCCESS)
1743 xd_set_unused_block(chip, new_blk);
1744 } else {
1745 XD_CLR_BAD_NEWBLK(xd_card);
1746 }
1747 XD_CLR_BAD_OLDBLK(xd_card);
1748 rtsx_trace(chip);
1749 return STATUS_FAIL;
1750 }
1751 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF));
1752 xd_erase_block(chip, phy_blk);
1753 xd_mark_bad_block(chip, phy_blk);
1754 XD_CLR_BAD_OLDBLK(xd_card);
1755 }
1756
1757 rtsx_trace(chip);
1758 return STATUS_FAIL;
1759 }
1760
1761 static int xd_finish_write(struct rtsx_chip *chip,
1762 u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off)
1763 {
1764 struct xd_info *xd_card = &(chip->xd_card);
1765 int retval, zone_no;
1766 u16 log_off;
1767
1768 dev_dbg(rtsx_dev(chip), "xd_finish_write, old_blk = 0x%x, new_blk = 0x%x, log_blk = 0x%x\n",
1769 old_blk, new_blk, log_blk);
1770
1771 if (page_off > xd_card->page_off) {
1772 rtsx_trace(chip);
1773 return STATUS_FAIL;
1774 }
1775
1776 zone_no = (int)(log_blk / 1000);
1777 log_off = (u16)(log_blk % 1000);
1778
1779 if (old_blk == BLK_NOT_FOUND) {
1780 retval = xd_init_page(chip, new_blk, log_off,
1781 page_off, xd_card->page_off + 1);
1782 if (retval != STATUS_SUCCESS) {
1783 retval = xd_erase_block(chip, new_blk);
1784 if (retval == STATUS_SUCCESS)
1785 xd_set_unused_block(chip, new_blk);
1786 rtsx_trace(chip);
1787 return STATUS_FAIL;
1788 }
1789 } else {
1790 retval = xd_copy_page(chip, old_blk, new_blk,
1791 page_off, xd_card->page_off + 1);
1792 if (retval != STATUS_SUCCESS) {
1793 if (!XD_CHK_BAD_NEWBLK(xd_card)) {
1794 retval = xd_erase_block(chip, new_blk);
1795 if (retval == STATUS_SUCCESS)
1796 xd_set_unused_block(chip, new_blk);
1797 }
1798 XD_CLR_BAD_NEWBLK(xd_card);
1799 rtsx_trace(chip);
1800 return STATUS_FAIL;
1801 }
1802
1803 retval = xd_erase_block(chip, old_blk);
1804 if (retval == STATUS_SUCCESS) {
1805 if (XD_CHK_BAD_OLDBLK(xd_card)) {
1806 xd_mark_bad_block(chip, old_blk);
1807 XD_CLR_BAD_OLDBLK(xd_card);
1808 } else {
1809 xd_set_unused_block(chip, old_blk);
1810 }
1811 } else {
1812 xd_set_err_code(chip, XD_NO_ERROR);
1813 XD_CLR_BAD_OLDBLK(xd_card);
1814 }
1815 }
1816
1817 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF));
1818
1819 return STATUS_SUCCESS;
1820 }
1821
1822 static int xd_prepare_write(struct rtsx_chip *chip,
1823 u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off)
1824 {
1825 int retval;
1826
1827 dev_dbg(rtsx_dev(chip), "%s, old_blk = 0x%x, new_blk = 0x%x, log_blk = 0x%x, page_off = %d\n",
1828 __func__, old_blk, new_blk, log_blk, (int)page_off);
1829
1830 if (page_off) {
1831 retval = xd_copy_page(chip, old_blk, new_blk, 0, page_off);
1832 if (retval != STATUS_SUCCESS) {
1833 rtsx_trace(chip);
1834 return STATUS_FAIL;
1835 }
1836 }
1837
1838 return STATUS_SUCCESS;
1839 }
1840
1841
1842 static int xd_write_multiple_pages(struct rtsx_chip *chip, u32 old_blk,
1843 u32 new_blk, u32 log_blk, u8 start_page,
1844 u8 end_page, u8 *buf, unsigned int *index,
1845 unsigned int *offset)
1846 {
1847 struct xd_info *xd_card = &(chip->xd_card);
1848 u32 page_addr;
1849 int zone_no, retval;
1850 u16 log_off;
1851 u8 page_cnt, reg_val;
1852
1853 dev_dbg(rtsx_dev(chip), "%s, old_blk = 0x%x, new_blk = 0x%x, log_blk = 0x%x\n",
1854 __func__, old_blk, new_blk, log_blk);
1855
1856 if (start_page > end_page) {
1857 rtsx_trace(chip);
1858 return STATUS_FAIL;
1859 }
1860
1861 page_cnt = end_page - start_page;
1862 zone_no = (int)(log_blk / 1000);
1863 log_off = (u16)(log_blk % 1000);
1864
1865 page_addr = (new_blk << xd_card->block_shift) + start_page;
1866
1867 retval = xd_send_cmd(chip, READ1_1);
1868 if (retval != STATUS_SUCCESS) {
1869 rtsx_trace(chip);
1870 return STATUS_FAIL;
1871 }
1872
1873 rtsx_init_cmd(chip);
1874
1875 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H,
1876 0xFF, (u8)(log_off >> 8));
1877 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, (u8)log_off);
1878 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, XD_GBLK);
1879 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG);
1880
1881 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1882
1883 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_BA_TRANSFORM,
1884 XD_BA_TRANSFORM);
1885 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt);
1886 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER);
1887
1888 trans_dma_enable(chip->srb->sc_data_direction, chip,
1889 page_cnt * 512, DMA_512);
1890
1891 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER,
1892 0xFF, XD_TRANSFER_START | XD_WRITE_PAGES);
1893 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1894 XD_TRANSFER_END, XD_TRANSFER_END);
1895
1896 rtsx_send_cmd_no_wait(chip);
1897
1898 retval = rtsx_transfer_data_partial(chip, XD_CARD, buf, page_cnt * 512,
1899 scsi_sg_count(chip->srb),
1900 index, offset, DMA_TO_DEVICE, chip->xd_timeout);
1901 if (retval < 0) {
1902 rtsx_clear_xd_error(chip);
1903
1904 if (retval == -ETIMEDOUT) {
1905 xd_set_err_code(chip, XD_TO_ERROR);
1906 rtsx_trace(chip);
1907 return STATUS_FAIL;
1908 } else {
1909 rtsx_trace(chip);
1910 goto Fail;
1911 }
1912 }
1913
1914 if (end_page == (xd_card->page_off + 1)) {
1915 xd_card->delay_write.delay_write_flag = 0;
1916
1917 if (old_blk != BLK_NOT_FOUND) {
1918 retval = xd_erase_block(chip, old_blk);
1919 if (retval == STATUS_SUCCESS) {
1920 if (XD_CHK_BAD_OLDBLK(xd_card)) {
1921 xd_mark_bad_block(chip, old_blk);
1922 XD_CLR_BAD_OLDBLK(xd_card);
1923 } else {
1924 xd_set_unused_block(chip, old_blk);
1925 }
1926 } else {
1927 xd_set_err_code(chip, XD_NO_ERROR);
1928 XD_CLR_BAD_OLDBLK(xd_card);
1929 }
1930 }
1931 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF));
1932 }
1933
1934 return STATUS_SUCCESS;
1935
1936 Fail:
1937 retval = rtsx_read_register(chip, XD_DAT, &reg_val);
1938 if (retval) {
1939 rtsx_trace(chip);
1940 return retval;
1941 }
1942 if (reg_val & PROGRAM_ERROR) {
1943 xd_set_err_code(chip, XD_PRG_ERROR);
1944 xd_mark_bad_block(chip, new_blk);
1945 }
1946
1947 rtsx_trace(chip);
1948 return STATUS_FAIL;
1949 }
1950
1951 #ifdef XD_DELAY_WRITE
1952 int xd_delay_write(struct rtsx_chip *chip)
1953 {
1954 struct xd_info *xd_card = &(chip->xd_card);
1955 struct xd_delay_write_tag *delay_write = &(xd_card->delay_write);
1956 int retval;
1957
1958 if (delay_write->delay_write_flag) {
1959 dev_dbg(rtsx_dev(chip), "xd_delay_write\n");
1960 retval = xd_switch_clock(chip);
1961 if (retval != STATUS_SUCCESS) {
1962 rtsx_trace(chip);
1963 return STATUS_FAIL;
1964 }
1965
1966 delay_write->delay_write_flag = 0;
1967 retval = xd_finish_write(chip,
1968 delay_write->old_phyblock,
1969 delay_write->new_phyblock,
1970 delay_write->logblock, delay_write->pageoff);
1971 if (retval != STATUS_SUCCESS) {
1972 rtsx_trace(chip);
1973 return STATUS_FAIL;
1974 }
1975 }
1976
1977 return STATUS_SUCCESS;
1978 }
1979 #endif
1980
1981 int xd_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip,
1982 u32 start_sector, u16 sector_cnt)
1983 {
1984 struct xd_info *xd_card = &(chip->xd_card);
1985 unsigned int lun = SCSI_LUN(srb);
1986 #ifdef XD_DELAY_WRITE
1987 struct xd_delay_write_tag *delay_write = &(xd_card->delay_write);
1988 #endif
1989 int retval, zone_no;
1990 unsigned int index = 0, offset = 0;
1991 u32 log_blk, old_blk = 0, new_blk = 0;
1992 u16 log_off, total_sec_cnt = sector_cnt;
1993 u8 start_page, end_page = 0, page_cnt;
1994 u8 *ptr;
1995
1996 xd_set_err_code(chip, XD_NO_ERROR);
1997
1998 xd_card->cleanup_counter = 0;
1999
2000 dev_dbg(rtsx_dev(chip), "xd_rw: scsi_sg_count = %d\n",
2001 scsi_sg_count(srb));
2002
2003 ptr = (u8 *)scsi_sglist(srb);
2004
2005 retval = xd_switch_clock(chip);
2006 if (retval != STATUS_SUCCESS) {
2007 rtsx_trace(chip);
2008 return STATUS_FAIL;
2009 }
2010
2011
2012 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2013 chip->card_fail |= XD_CARD;
2014 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
2015 rtsx_trace(chip);
2016 return STATUS_FAIL;
2017 }
2018
2019 log_blk = start_sector >> xd_card->block_shift;
2020 start_page = (u8)start_sector & xd_card->page_off;
2021 zone_no = (int)(log_blk / 1000);
2022 log_off = (u16)(log_blk % 1000);
2023
2024 if (xd_card->zone[zone_no].build_flag == 0) {
2025 retval = xd_build_l2p_tbl(chip, zone_no);
2026 if (retval != STATUS_SUCCESS) {
2027 chip->card_fail |= XD_CARD;
2028 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
2029 rtsx_trace(chip);
2030 return STATUS_FAIL;
2031 }
2032 }
2033
2034 if (srb->sc_data_direction == DMA_TO_DEVICE) {
2035 #ifdef XD_DELAY_WRITE
2036 if (delay_write->delay_write_flag &&
2037 (delay_write->logblock == log_blk) &&
2038 (start_page > delay_write->pageoff)) {
2039 delay_write->delay_write_flag = 0;
2040 if (delay_write->old_phyblock != BLK_NOT_FOUND) {
2041 retval = xd_copy_page(chip,
2042 delay_write->old_phyblock,
2043 delay_write->new_phyblock,
2044 delay_write->pageoff, start_page);
2045 if (retval != STATUS_SUCCESS) {
2046 set_sense_type(chip, lun,
2047 SENSE_TYPE_MEDIA_WRITE_ERR);
2048 rtsx_trace(chip);
2049 return STATUS_FAIL;
2050 }
2051 }
2052 old_blk = delay_write->old_phyblock;
2053 new_blk = delay_write->new_phyblock;
2054 } else if (delay_write->delay_write_flag &&
2055 (delay_write->logblock == log_blk) &&
2056 (start_page == delay_write->pageoff)) {
2057 delay_write->delay_write_flag = 0;
2058 old_blk = delay_write->old_phyblock;
2059 new_blk = delay_write->new_phyblock;
2060 } else {
2061 retval = xd_delay_write(chip);
2062 if (retval != STATUS_SUCCESS) {
2063 set_sense_type(chip, lun,
2064 SENSE_TYPE_MEDIA_WRITE_ERR);
2065 rtsx_trace(chip);
2066 return STATUS_FAIL;
2067 }
2068 #endif
2069 old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
2070 new_blk = xd_get_unused_block(chip, zone_no);
2071 if ((old_blk == BLK_NOT_FOUND) ||
2072 (new_blk == BLK_NOT_FOUND)) {
2073 set_sense_type(chip, lun,
2074 SENSE_TYPE_MEDIA_WRITE_ERR);
2075 rtsx_trace(chip);
2076 return STATUS_FAIL;
2077 }
2078
2079 retval = xd_prepare_write(chip, old_blk, new_blk,
2080 log_blk, start_page);
2081 if (retval != STATUS_SUCCESS) {
2082 if (detect_card_cd(chip, XD_CARD) !=
2083 STATUS_SUCCESS) {
2084 set_sense_type(chip, lun,
2085 SENSE_TYPE_MEDIA_NOT_PRESENT);
2086 rtsx_trace(chip);
2087 return STATUS_FAIL;
2088 }
2089 set_sense_type(chip, lun,
2090 SENSE_TYPE_MEDIA_WRITE_ERR);
2091 rtsx_trace(chip);
2092 return STATUS_FAIL;
2093 }
2094 #ifdef XD_DELAY_WRITE
2095 }
2096 #endif
2097 } else {
2098 #ifdef XD_DELAY_WRITE
2099 retval = xd_delay_write(chip);
2100 if (retval != STATUS_SUCCESS) {
2101 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2102 set_sense_type(chip, lun,
2103 SENSE_TYPE_MEDIA_NOT_PRESENT);
2104 rtsx_trace(chip);
2105 return STATUS_FAIL;
2106 }
2107 set_sense_type(chip, lun,
2108 SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2109 rtsx_trace(chip);
2110 return STATUS_FAIL;
2111 }
2112 #endif
2113
2114 old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
2115 if (old_blk == BLK_NOT_FOUND) {
2116 set_sense_type(chip, lun,
2117 SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2118 rtsx_trace(chip);
2119 return STATUS_FAIL;
2120 }
2121 }
2122
2123 dev_dbg(rtsx_dev(chip), "old_blk = 0x%x\n", old_blk);
2124
2125 while (total_sec_cnt) {
2126 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2127 chip->card_fail |= XD_CARD;
2128 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
2129 rtsx_trace(chip);
2130 return STATUS_FAIL;
2131 }
2132
2133 if ((start_page + total_sec_cnt) > (xd_card->page_off + 1))
2134 end_page = xd_card->page_off + 1;
2135 else
2136 end_page = start_page + (u8)total_sec_cnt;
2137
2138 page_cnt = end_page - start_page;
2139 if (srb->sc_data_direction == DMA_FROM_DEVICE) {
2140 retval = xd_read_multiple_pages(chip, old_blk, log_blk,
2141 start_page, end_page, ptr,
2142 &index, &offset);
2143 if (retval != STATUS_SUCCESS) {
2144 set_sense_type(chip, lun,
2145 SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2146 rtsx_trace(chip);
2147 return STATUS_FAIL;
2148 }
2149 } else {
2150 retval = xd_write_multiple_pages(chip, old_blk,
2151 new_blk, log_blk,
2152 start_page, end_page, ptr,
2153 &index, &offset);
2154 if (retval != STATUS_SUCCESS) {
2155 set_sense_type(chip, lun,
2156 SENSE_TYPE_MEDIA_WRITE_ERR);
2157 rtsx_trace(chip);
2158 return STATUS_FAIL;
2159 }
2160 }
2161
2162 total_sec_cnt -= page_cnt;
2163 if (scsi_sg_count(srb) == 0)
2164 ptr += page_cnt * 512;
2165
2166 if (total_sec_cnt == 0)
2167 break;
2168
2169 log_blk++;
2170 zone_no = (int)(log_blk / 1000);
2171 log_off = (u16)(log_blk % 1000);
2172
2173 if (xd_card->zone[zone_no].build_flag == 0) {
2174 retval = xd_build_l2p_tbl(chip, zone_no);
2175 if (retval != STATUS_SUCCESS) {
2176 chip->card_fail |= XD_CARD;
2177 set_sense_type(chip, lun,
2178 SENSE_TYPE_MEDIA_NOT_PRESENT);
2179 rtsx_trace(chip);
2180 return STATUS_FAIL;
2181 }
2182 }
2183
2184 old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
2185 if (old_blk == BLK_NOT_FOUND) {
2186 if (srb->sc_data_direction == DMA_FROM_DEVICE)
2187 set_sense_type(chip, lun,
2188 SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2189 else
2190 set_sense_type(chip, lun,
2191 SENSE_TYPE_MEDIA_WRITE_ERR);
2192
2193 rtsx_trace(chip);
2194 return STATUS_FAIL;
2195 }
2196
2197 if (srb->sc_data_direction == DMA_TO_DEVICE) {
2198 new_blk = xd_get_unused_block(chip, zone_no);
2199 if (new_blk == BLK_NOT_FOUND) {
2200 set_sense_type(chip, lun,
2201 SENSE_TYPE_MEDIA_WRITE_ERR);
2202 rtsx_trace(chip);
2203 return STATUS_FAIL;
2204 }
2205 }
2206
2207 start_page = 0;
2208 }
2209
2210 if ((srb->sc_data_direction == DMA_TO_DEVICE) &&
2211 (end_page != (xd_card->page_off + 1))) {
2212 #ifdef XD_DELAY_WRITE
2213 delay_write->delay_write_flag = 1;
2214 delay_write->old_phyblock = old_blk;
2215 delay_write->new_phyblock = new_blk;
2216 delay_write->logblock = log_blk;
2217 delay_write->pageoff = end_page;
2218 #else
2219 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2220 chip->card_fail |= XD_CARD;
2221 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
2222 rtsx_trace(chip);
2223 return STATUS_FAIL;
2224 }
2225
2226 retval = xd_finish_write(chip, old_blk, new_blk,
2227 log_blk, end_page);
2228 if (retval != STATUS_SUCCESS) {
2229 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2230 set_sense_type(chip, lun,
2231 SENSE_TYPE_MEDIA_NOT_PRESENT);
2232 rtsx_trace(chip);
2233 return STATUS_FAIL;
2234 }
2235 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
2236 rtsx_trace(chip);
2237 return STATUS_FAIL;
2238 }
2239 #endif
2240 }
2241
2242 scsi_set_resid(srb, 0);
2243
2244 return STATUS_SUCCESS;
2245 }
2246
2247 void xd_free_l2p_tbl(struct rtsx_chip *chip)
2248 {
2249 struct xd_info *xd_card = &(chip->xd_card);
2250 int i = 0;
2251
2252 if (xd_card->zone != NULL) {
2253 for (i = 0; i < xd_card->zone_cnt; i++) {
2254 if (xd_card->zone[i].l2p_table != NULL) {
2255 vfree(xd_card->zone[i].l2p_table);
2256 xd_card->zone[i].l2p_table = NULL;
2257 }
2258 if (xd_card->zone[i].free_table != NULL) {
2259 vfree(xd_card->zone[i].free_table);
2260 xd_card->zone[i].free_table = NULL;
2261 }
2262 }
2263 vfree(xd_card->zone);
2264 xd_card->zone = NULL;
2265 }
2266 }
2267
2268 void xd_cleanup_work(struct rtsx_chip *chip)
2269 {
2270 #ifdef XD_DELAY_WRITE
2271 struct xd_info *xd_card = &(chip->xd_card);
2272
2273 if (xd_card->delay_write.delay_write_flag) {
2274 dev_dbg(rtsx_dev(chip), "xD: delay write\n");
2275 xd_delay_write(chip);
2276 xd_card->cleanup_counter = 0;
2277 }
2278 #endif
2279 }
2280
2281 int xd_power_off_card3v3(struct rtsx_chip *chip)
2282 {
2283 int retval;
2284
2285 retval = disable_card_clock(chip, XD_CARD);
2286 if (retval != STATUS_SUCCESS) {
2287 rtsx_trace(chip);
2288 return STATUS_FAIL;
2289 }
2290
2291 retval = rtsx_write_register(chip, CARD_OE, XD_OUTPUT_EN, 0);
2292 if (retval) {
2293 rtsx_trace(chip);
2294 return retval;
2295 }
2296
2297 if (!chip->ft2_fast_mode) {
2298 retval = card_power_off(chip, XD_CARD);
2299 if (retval != STATUS_SUCCESS) {
2300 rtsx_trace(chip);
2301 return STATUS_FAIL;
2302 }
2303
2304 wait_timeout(50);
2305 }
2306
2307 if (chip->asic_code) {
2308 retval = xd_pull_ctl_disable(chip);
2309 if (retval != STATUS_SUCCESS) {
2310 rtsx_trace(chip);
2311 return STATUS_FAIL;
2312 }
2313 } else {
2314 retval = rtsx_write_register(chip, FPGA_PULL_CTL, 0xFF, 0xDF);
2315 if (retval) {
2316 rtsx_trace(chip);
2317 return retval;
2318 }
2319 }
2320
2321 return STATUS_SUCCESS;
2322 }
2323
2324 int release_xd_card(struct rtsx_chip *chip)
2325 {
2326 struct xd_info *xd_card = &(chip->xd_card);
2327 int retval;
2328
2329 chip->card_ready &= ~XD_CARD;
2330 chip->card_fail &= ~XD_CARD;
2331 chip->card_wp &= ~XD_CARD;
2332
2333 xd_card->delay_write.delay_write_flag = 0;
2334
2335 xd_free_l2p_tbl(chip);
2336
2337 retval = xd_power_off_card3v3(chip);
2338 if (retval != STATUS_SUCCESS) {
2339 rtsx_trace(chip);
2340 return STATUS_FAIL;
2341 }
2342
2343 return STATUS_SUCCESS;
2344 }
Linux with added FPC-III support