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Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target...
[deliverable/linux.git] / 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 vfree(zone->l2p_table);
907 zone->l2p_table = NULL;
908 vfree(zone->free_table);
909 zone->free_table = NULL;
910 }
911
912 static void xd_set_unused_block(struct rtsx_chip *chip, u32 phy_blk)
913 {
914 struct xd_info *xd_card = &(chip->xd_card);
915 struct zone_entry *zone;
916 int zone_no;
917
918 zone_no = (int)phy_blk >> 10;
919 if (zone_no >= xd_card->zone_cnt) {
920 dev_dbg(rtsx_dev(chip), "Set unused block to invalid zone (zone_no = %d, zone_cnt = %d)\n",
921 zone_no, xd_card->zone_cnt);
922 return;
923 }
924 zone = &(xd_card->zone[zone_no]);
925
926 if (zone->free_table == NULL) {
927 if (xd_build_l2p_tbl(chip, zone_no) != STATUS_SUCCESS)
928 return;
929 }
930
931 if ((zone->set_index >= XD_FREE_TABLE_CNT)
932 || (zone->set_index < 0)) {
933 free_zone(zone);
934 dev_dbg(rtsx_dev(chip), "Set unused block fail, invalid set_index\n");
935 return;
936 }
937
938 dev_dbg(rtsx_dev(chip), "Set unused block to index %d\n",
939 zone->set_index);
940
941 zone->free_table[zone->set_index++] = (u16) (phy_blk & 0x3ff);
942 if (zone->set_index >= XD_FREE_TABLE_CNT)
943 zone->set_index = 0;
944 zone->unused_blk_cnt++;
945 }
946
947 static u32 xd_get_unused_block(struct rtsx_chip *chip, int zone_no)
948 {
949 struct xd_info *xd_card = &(chip->xd_card);
950 struct zone_entry *zone;
951 u32 phy_blk;
952
953 if (zone_no >= xd_card->zone_cnt) {
954 dev_dbg(rtsx_dev(chip), "Get unused block from invalid zone (zone_no = %d, zone_cnt = %d)\n",
955 zone_no, xd_card->zone_cnt);
956 return BLK_NOT_FOUND;
957 }
958 zone = &(xd_card->zone[zone_no]);
959
960 if ((zone->unused_blk_cnt == 0) ||
961 (zone->set_index == zone->get_index)) {
962 free_zone(zone);
963 dev_dbg(rtsx_dev(chip), "Get unused block fail, no unused block available\n");
964 return BLK_NOT_FOUND;
965 }
966 if ((zone->get_index >= XD_FREE_TABLE_CNT) || (zone->get_index < 0)) {
967 free_zone(zone);
968 dev_dbg(rtsx_dev(chip), "Get unused block fail, invalid get_index\n");
969 return BLK_NOT_FOUND;
970 }
971
972 dev_dbg(rtsx_dev(chip), "Get unused block from index %d\n",
973 zone->get_index);
974
975 phy_blk = zone->free_table[zone->get_index];
976 zone->free_table[zone->get_index++] = 0xFFFF;
977 if (zone->get_index >= XD_FREE_TABLE_CNT)
978 zone->get_index = 0;
979 zone->unused_blk_cnt--;
980
981 phy_blk += ((u32)(zone_no) << 10);
982 return phy_blk;
983 }
984
985 static void xd_set_l2p_tbl(struct rtsx_chip *chip,
986 int zone_no, u16 log_off, u16 phy_off)
987 {
988 struct xd_info *xd_card = &(chip->xd_card);
989 struct zone_entry *zone;
990
991 zone = &(xd_card->zone[zone_no]);
992 zone->l2p_table[log_off] = phy_off;
993 }
994
995 static u32 xd_get_l2p_tbl(struct rtsx_chip *chip, int zone_no, u16 log_off)
996 {
997 struct xd_info *xd_card = &(chip->xd_card);
998 struct zone_entry *zone;
999 int retval;
1000
1001 zone = &(xd_card->zone[zone_no]);
1002 if (zone->l2p_table[log_off] == 0xFFFF) {
1003 u32 phy_blk = 0;
1004 int i;
1005
1006 #ifdef XD_DELAY_WRITE
1007 retval = xd_delay_write(chip);
1008 if (retval != STATUS_SUCCESS) {
1009 dev_dbg(rtsx_dev(chip), "In xd_get_l2p_tbl, delay write fail!\n");
1010 return BLK_NOT_FOUND;
1011 }
1012 #endif
1013
1014 if (zone->unused_blk_cnt <= 0) {
1015 dev_dbg(rtsx_dev(chip), "No unused block!\n");
1016 return BLK_NOT_FOUND;
1017 }
1018
1019 for (i = 0; i < zone->unused_blk_cnt; i++) {
1020 phy_blk = xd_get_unused_block(chip, zone_no);
1021 if (phy_blk == BLK_NOT_FOUND) {
1022 dev_dbg(rtsx_dev(chip), "No unused block available!\n");
1023 return BLK_NOT_FOUND;
1024 }
1025
1026 retval = xd_init_page(chip, phy_blk, log_off,
1027 0, xd_card->page_off + 1);
1028 if (retval == STATUS_SUCCESS)
1029 break;
1030 }
1031 if (i >= zone->unused_blk_cnt) {
1032 dev_dbg(rtsx_dev(chip), "No good unused block available!\n");
1033 return BLK_NOT_FOUND;
1034 }
1035
1036 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(phy_blk & 0x3FF));
1037 return phy_blk;
1038 }
1039
1040 return (u32)zone->l2p_table[log_off] + ((u32)(zone_no) << 10);
1041 }
1042
1043 int reset_xd_card(struct rtsx_chip *chip)
1044 {
1045 struct xd_info *xd_card = &(chip->xd_card);
1046 int retval;
1047
1048 memset(xd_card, 0, sizeof(struct xd_info));
1049
1050 xd_card->block_shift = 0;
1051 xd_card->page_off = 0;
1052 xd_card->addr_cycle = 0;
1053 xd_card->capacity = 0;
1054 xd_card->zone_cnt = 0;
1055 xd_card->cis_block = 0xFFFF;
1056 xd_card->delay_write.delay_write_flag = 0;
1057
1058 retval = enable_card_clock(chip, XD_CARD);
1059 if (retval != STATUS_SUCCESS) {
1060 rtsx_trace(chip);
1061 return STATUS_FAIL;
1062 }
1063
1064 retval = reset_xd(chip);
1065 if (retval != STATUS_SUCCESS) {
1066 rtsx_trace(chip);
1067 return STATUS_FAIL;
1068 }
1069
1070 retval = xd_init_l2p_tbl(chip);
1071 if (retval != STATUS_SUCCESS) {
1072 rtsx_trace(chip);
1073 return STATUS_FAIL;
1074 }
1075
1076 return STATUS_SUCCESS;
1077 }
1078
1079 static int xd_mark_bad_block(struct rtsx_chip *chip, u32 phy_blk)
1080 {
1081 struct xd_info *xd_card = &(chip->xd_card);
1082 int retval;
1083 u32 page_addr;
1084 u8 reg = 0;
1085
1086 dev_dbg(rtsx_dev(chip), "mark block 0x%x as bad block\n", phy_blk);
1087
1088 if (phy_blk == BLK_NOT_FOUND) {
1089 rtsx_trace(chip);
1090 return STATUS_FAIL;
1091 }
1092
1093 rtsx_init_cmd(chip);
1094
1095 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG);
1096 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, XD_LATER_BBLK);
1097 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF, 0xFF);
1098 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, 0xFF);
1099 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_H, 0xFF, 0xFF);
1100 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_L, 0xFF, 0xFF);
1101 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED0, 0xFF, 0xFF);
1102 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED1, 0xFF, 0xFF);
1103 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED2, 0xFF, 0xFF);
1104 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED3, 0xFF, 0xFF);
1105
1106 page_addr = phy_blk << xd_card->block_shift;
1107
1108 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1109
1110 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF,
1111 xd_card->page_off + 1);
1112
1113 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1114 XD_TRANSFER_START | XD_WRITE_REDUNDANT);
1115 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1116 XD_TRANSFER_END, XD_TRANSFER_END);
1117
1118 retval = rtsx_send_cmd(chip, XD_CARD, 500);
1119 if (retval < 0) {
1120 rtsx_clear_xd_error(chip);
1121 rtsx_read_register(chip, XD_DAT, &reg);
1122 if (reg & PROGRAM_ERROR)
1123 xd_set_err_code(chip, XD_PRG_ERROR);
1124 else
1125 xd_set_err_code(chip, XD_TO_ERROR);
1126 rtsx_trace(chip);
1127 return STATUS_FAIL;
1128 }
1129
1130 return STATUS_SUCCESS;
1131 }
1132
1133 static int xd_init_page(struct rtsx_chip *chip, u32 phy_blk,
1134 u16 logoff, u8 start_page, u8 end_page)
1135 {
1136 struct xd_info *xd_card = &(chip->xd_card);
1137 int retval;
1138 u32 page_addr;
1139 u8 reg = 0;
1140
1141 dev_dbg(rtsx_dev(chip), "Init block 0x%x\n", phy_blk);
1142
1143 if (start_page > end_page) {
1144 rtsx_trace(chip);
1145 return STATUS_FAIL;
1146 }
1147 if (phy_blk == BLK_NOT_FOUND) {
1148 rtsx_trace(chip);
1149 return STATUS_FAIL;
1150 }
1151
1152 rtsx_init_cmd(chip);
1153
1154 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, 0xFF);
1155 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, 0xFF);
1156 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H,
1157 0xFF, (u8)(logoff >> 8));
1158 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, (u8)logoff);
1159
1160 page_addr = (phy_blk << xd_card->block_shift) + start_page;
1161
1162 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1163
1164 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG,
1165 XD_BA_TRANSFORM, XD_BA_TRANSFORM);
1166
1167 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT,
1168 0xFF, (end_page - start_page));
1169
1170 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER,
1171 0xFF, XD_TRANSFER_START | XD_WRITE_REDUNDANT);
1172 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1173 XD_TRANSFER_END, XD_TRANSFER_END);
1174
1175 retval = rtsx_send_cmd(chip, XD_CARD, 500);
1176 if (retval < 0) {
1177 rtsx_clear_xd_error(chip);
1178 rtsx_read_register(chip, XD_DAT, &reg);
1179 if (reg & PROGRAM_ERROR) {
1180 xd_mark_bad_block(chip, phy_blk);
1181 xd_set_err_code(chip, XD_PRG_ERROR);
1182 } else {
1183 xd_set_err_code(chip, XD_TO_ERROR);
1184 }
1185 rtsx_trace(chip);
1186 return STATUS_FAIL;
1187 }
1188
1189 return STATUS_SUCCESS;
1190 }
1191
1192 static int xd_copy_page(struct rtsx_chip *chip, u32 old_blk, u32 new_blk,
1193 u8 start_page, u8 end_page)
1194 {
1195 struct xd_info *xd_card = &(chip->xd_card);
1196 u32 old_page, new_page;
1197 u8 i, reg = 0;
1198 int retval;
1199
1200 dev_dbg(rtsx_dev(chip), "Copy page from block 0x%x to block 0x%x\n",
1201 old_blk, new_blk);
1202
1203 if (start_page > end_page) {
1204 rtsx_trace(chip);
1205 return STATUS_FAIL;
1206 }
1207
1208 if ((old_blk == BLK_NOT_FOUND) || (new_blk == BLK_NOT_FOUND)) {
1209 rtsx_trace(chip);
1210 return STATUS_FAIL;
1211 }
1212
1213 old_page = (old_blk << xd_card->block_shift) + start_page;
1214 new_page = (new_blk << xd_card->block_shift) + start_page;
1215
1216 XD_CLR_BAD_NEWBLK(xd_card);
1217
1218 retval = rtsx_write_register(chip, CARD_DATA_SOURCE, 0x01,
1219 PINGPONG_BUFFER);
1220 if (retval) {
1221 rtsx_trace(chip);
1222 return retval;
1223 }
1224
1225 for (i = start_page; i < end_page; i++) {
1226 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1227 rtsx_clear_xd_error(chip);
1228 xd_set_err_code(chip, XD_NO_CARD);
1229 rtsx_trace(chip);
1230 return STATUS_FAIL;
1231 }
1232
1233 rtsx_init_cmd(chip);
1234
1235 xd_assign_phy_addr(chip, old_page, XD_RW_ADDR);
1236
1237 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
1238 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
1239 XD_AUTO_CHK_DATA_STATUS, 0);
1240 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1241 XD_TRANSFER_START | XD_READ_PAGES);
1242 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1243 XD_TRANSFER_END, XD_TRANSFER_END);
1244
1245 retval = rtsx_send_cmd(chip, XD_CARD, 500);
1246 if (retval < 0) {
1247 rtsx_clear_xd_error(chip);
1248 reg = 0;
1249 rtsx_read_register(chip, XD_CTL, &reg);
1250 if (reg & (XD_ECC1_ERROR | XD_ECC2_ERROR)) {
1251 wait_timeout(100);
1252
1253 if (detect_card_cd(chip,
1254 XD_CARD) != STATUS_SUCCESS) {
1255 xd_set_err_code(chip, XD_NO_CARD);
1256 rtsx_trace(chip);
1257 return STATUS_FAIL;
1258 }
1259
1260 if (((reg & (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE)) ==
1261 (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1262 || ((reg & (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE)) ==
1263 (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))) {
1264 rtsx_write_register(chip,
1265 XD_PAGE_STATUS, 0xFF,
1266 XD_BPG);
1267 rtsx_write_register(chip,
1268 XD_BLOCK_STATUS, 0xFF,
1269 XD_GBLK);
1270 XD_SET_BAD_OLDBLK(xd_card);
1271 dev_dbg(rtsx_dev(chip), "old block 0x%x ecc error\n",
1272 old_blk);
1273 }
1274 } else {
1275 xd_set_err_code(chip, XD_TO_ERROR);
1276 rtsx_trace(chip);
1277 return STATUS_FAIL;
1278 }
1279 }
1280
1281 if (XD_CHK_BAD_OLDBLK(xd_card))
1282 rtsx_clear_xd_error(chip);
1283
1284 rtsx_init_cmd(chip);
1285
1286 xd_assign_phy_addr(chip, new_page, XD_RW_ADDR);
1287 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
1288 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1289 XD_TRANSFER_START | XD_WRITE_PAGES);
1290 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1291 XD_TRANSFER_END, XD_TRANSFER_END);
1292
1293 retval = rtsx_send_cmd(chip, XD_CARD, 300);
1294 if (retval < 0) {
1295 rtsx_clear_xd_error(chip);
1296 reg = 0;
1297 rtsx_read_register(chip, XD_DAT, &reg);
1298 if (reg & PROGRAM_ERROR) {
1299 xd_mark_bad_block(chip, new_blk);
1300 xd_set_err_code(chip, XD_PRG_ERROR);
1301 XD_SET_BAD_NEWBLK(xd_card);
1302 } else {
1303 xd_set_err_code(chip, XD_TO_ERROR);
1304 }
1305 rtsx_trace(chip);
1306 return STATUS_FAIL;
1307 }
1308
1309 old_page++;
1310 new_page++;
1311 }
1312
1313 return STATUS_SUCCESS;
1314 }
1315
1316 static int xd_reset_cmd(struct rtsx_chip *chip)
1317 {
1318 int retval;
1319 u8 *ptr;
1320
1321 rtsx_init_cmd(chip);
1322
1323 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER,
1324 0xFF, XD_TRANSFER_START | XD_RESET);
1325 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1326 XD_TRANSFER_END, XD_TRANSFER_END);
1327 rtsx_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
1328 rtsx_add_cmd(chip, READ_REG_CMD, XD_CTL, 0, 0);
1329
1330 retval = rtsx_send_cmd(chip, XD_CARD, 100);
1331 if (retval < 0) {
1332 rtsx_trace(chip);
1333 return STATUS_FAIL;
1334 }
1335
1336 ptr = rtsx_get_cmd_data(chip) + 1;
1337 if (((ptr[0] & READY_FLAG) == READY_STATE) && (ptr[1] & XD_RDY))
1338 return STATUS_SUCCESS;
1339
1340 rtsx_trace(chip);
1341 return STATUS_FAIL;
1342 }
1343
1344 static int xd_erase_block(struct rtsx_chip *chip, u32 phy_blk)
1345 {
1346 struct xd_info *xd_card = &(chip->xd_card);
1347 u32 page_addr;
1348 u8 reg = 0, *ptr;
1349 int i, retval;
1350
1351 if (phy_blk == BLK_NOT_FOUND) {
1352 rtsx_trace(chip);
1353 return STATUS_FAIL;
1354 }
1355
1356 page_addr = phy_blk << xd_card->block_shift;
1357
1358 for (i = 0; i < 3; i++) {
1359 rtsx_init_cmd(chip);
1360
1361 xd_assign_phy_addr(chip, page_addr, XD_ERASE_ADDR);
1362
1363 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1364 XD_TRANSFER_START | XD_ERASE);
1365 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1366 XD_TRANSFER_END, XD_TRANSFER_END);
1367 rtsx_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
1368
1369 retval = rtsx_send_cmd(chip, XD_CARD, 250);
1370 if (retval < 0) {
1371 rtsx_clear_xd_error(chip);
1372 rtsx_read_register(chip, XD_DAT, &reg);
1373 if (reg & PROGRAM_ERROR) {
1374 xd_mark_bad_block(chip, phy_blk);
1375 xd_set_err_code(chip, XD_PRG_ERROR);
1376 rtsx_trace(chip);
1377 return STATUS_FAIL;
1378 }
1379 xd_set_err_code(chip, XD_ERASE_FAIL);
1380 retval = xd_reset_cmd(chip);
1381 if (retval != STATUS_SUCCESS) {
1382 rtsx_trace(chip);
1383 return STATUS_FAIL;
1384 }
1385 continue;
1386 }
1387
1388 ptr = rtsx_get_cmd_data(chip) + 1;
1389 if (*ptr & PROGRAM_ERROR) {
1390 xd_mark_bad_block(chip, phy_blk);
1391 xd_set_err_code(chip, XD_PRG_ERROR);
1392 rtsx_trace(chip);
1393 return STATUS_FAIL;
1394 }
1395
1396 return STATUS_SUCCESS;
1397 }
1398
1399 xd_mark_bad_block(chip, phy_blk);
1400 xd_set_err_code(chip, XD_ERASE_FAIL);
1401 rtsx_trace(chip);
1402 return STATUS_FAIL;
1403 }
1404
1405
1406 static int xd_build_l2p_tbl(struct rtsx_chip *chip, int zone_no)
1407 {
1408 struct xd_info *xd_card = &(chip->xd_card);
1409 struct zone_entry *zone;
1410 int retval;
1411 u32 start, end, i;
1412 u16 max_logoff, cur_fst_page_logoff;
1413 u16 cur_lst_page_logoff, ent_lst_page_logoff;
1414 u8 redunt[11];
1415
1416 dev_dbg(rtsx_dev(chip), "xd_build_l2p_tbl: %d\n", zone_no);
1417
1418 if (xd_card->zone == NULL) {
1419 retval = xd_init_l2p_tbl(chip);
1420 if (retval != STATUS_SUCCESS)
1421 return retval;
1422 }
1423
1424 if (xd_card->zone[zone_no].build_flag) {
1425 dev_dbg(rtsx_dev(chip), "l2p table of zone %d has been built\n",
1426 zone_no);
1427 return STATUS_SUCCESS;
1428 }
1429
1430 zone = &(xd_card->zone[zone_no]);
1431
1432 if (zone->l2p_table == NULL) {
1433 zone->l2p_table = vmalloc(2000);
1434 if (!zone->l2p_table) {
1435 rtsx_trace(chip);
1436 goto Build_Fail;
1437 }
1438 }
1439 memset((u8 *)(zone->l2p_table), 0xff, 2000);
1440
1441 if (zone->free_table == NULL) {
1442 zone->free_table = vmalloc(XD_FREE_TABLE_CNT * 2);
1443 if (!zone->free_table) {
1444 rtsx_trace(chip);
1445 goto Build_Fail;
1446 }
1447 }
1448 memset((u8 *)(zone->free_table), 0xff, XD_FREE_TABLE_CNT * 2);
1449
1450 if (zone_no == 0) {
1451 if (xd_card->cis_block == 0xFFFF)
1452 start = 0;
1453 else
1454 start = xd_card->cis_block + 1;
1455 if (XD_CHK_4MB(xd_card)) {
1456 end = 0x200;
1457 max_logoff = 499;
1458 } else {
1459 end = 0x400;
1460 max_logoff = 999;
1461 }
1462 } else {
1463 start = (u32)(zone_no) << 10;
1464 end = (u32)(zone_no + 1) << 10;
1465 max_logoff = 999;
1466 }
1467
1468 dev_dbg(rtsx_dev(chip), "start block 0x%x, end block 0x%x\n",
1469 start, end);
1470
1471 zone->set_index = zone->get_index = 0;
1472 zone->unused_blk_cnt = 0;
1473
1474 for (i = start; i < end; i++) {
1475 u32 page_addr = i << xd_card->block_shift;
1476 u32 phy_block;
1477
1478 retval = xd_read_redundant(chip, page_addr, redunt, 11);
1479 if (retval != STATUS_SUCCESS)
1480 continue;
1481
1482 if (redunt[BLOCK_STATUS] != 0xFF) {
1483 dev_dbg(rtsx_dev(chip), "bad block\n");
1484 continue;
1485 }
1486
1487 if (xd_check_data_blank(redunt)) {
1488 dev_dbg(rtsx_dev(chip), "blank block\n");
1489 xd_set_unused_block(chip, i);
1490 continue;
1491 }
1492
1493 cur_fst_page_logoff = xd_load_log_block_addr(redunt);
1494 if ((cur_fst_page_logoff == 0xFFFF) ||
1495 (cur_fst_page_logoff > max_logoff)) {
1496 retval = xd_erase_block(chip, i);
1497 if (retval == STATUS_SUCCESS)
1498 xd_set_unused_block(chip, i);
1499 continue;
1500 }
1501
1502 if ((zone_no == 0) && (cur_fst_page_logoff == 0) &&
1503 (redunt[PAGE_STATUS] != XD_GPG))
1504 XD_SET_MBR_FAIL(xd_card);
1505
1506 if (zone->l2p_table[cur_fst_page_logoff] == 0xFFFF) {
1507 zone->l2p_table[cur_fst_page_logoff] = (u16)(i & 0x3FF);
1508 continue;
1509 }
1510
1511 phy_block = zone->l2p_table[cur_fst_page_logoff] +
1512 ((u32)((zone_no) << 10));
1513
1514 page_addr = ((i + 1) << xd_card->block_shift) - 1;
1515
1516 retval = xd_read_redundant(chip, page_addr, redunt, 11);
1517 if (retval != STATUS_SUCCESS)
1518 continue;
1519
1520 cur_lst_page_logoff = xd_load_log_block_addr(redunt);
1521 if (cur_lst_page_logoff == cur_fst_page_logoff) {
1522 int m;
1523
1524 page_addr = ((phy_block + 1) <<
1525 xd_card->block_shift) - 1;
1526
1527 for (m = 0; m < 3; m++) {
1528 retval = xd_read_redundant(chip, page_addr,
1529 redunt, 11);
1530 if (retval == STATUS_SUCCESS)
1531 break;
1532 }
1533
1534 if (m == 3) {
1535 zone->l2p_table[cur_fst_page_logoff] =
1536 (u16)(i & 0x3FF);
1537 retval = xd_erase_block(chip, phy_block);
1538 if (retval == STATUS_SUCCESS)
1539 xd_set_unused_block(chip, phy_block);
1540 continue;
1541 }
1542
1543 ent_lst_page_logoff = xd_load_log_block_addr(redunt);
1544 if (ent_lst_page_logoff != cur_fst_page_logoff) {
1545 zone->l2p_table[cur_fst_page_logoff] =
1546 (u16)(i & 0x3FF);
1547 retval = xd_erase_block(chip, phy_block);
1548 if (retval == STATUS_SUCCESS)
1549 xd_set_unused_block(chip, phy_block);
1550 continue;
1551 } else {
1552 retval = xd_erase_block(chip, i);
1553 if (retval == STATUS_SUCCESS)
1554 xd_set_unused_block(chip, i);
1555 }
1556 } else {
1557 retval = xd_erase_block(chip, i);
1558 if (retval == STATUS_SUCCESS)
1559 xd_set_unused_block(chip, i);
1560 }
1561 }
1562
1563 if (XD_CHK_4MB(xd_card))
1564 end = 500;
1565 else
1566 end = 1000;
1567
1568 i = 0;
1569 for (start = 0; start < end; start++) {
1570 if (zone->l2p_table[start] == 0xFFFF)
1571 i++;
1572 }
1573
1574 dev_dbg(rtsx_dev(chip), "Block count %d, invalid L2P entry %d\n",
1575 end, i);
1576 dev_dbg(rtsx_dev(chip), "Total unused block: %d\n",
1577 zone->unused_blk_cnt);
1578
1579 if ((zone->unused_blk_cnt - i) < 1)
1580 chip->card_wp |= XD_CARD;
1581
1582 zone->build_flag = 1;
1583
1584 return STATUS_SUCCESS;
1585
1586 Build_Fail:
1587 vfree(zone->l2p_table);
1588 zone->l2p_table = NULL;
1589 vfree(zone->free_table);
1590 zone->free_table = NULL;
1591
1592 return STATUS_FAIL;
1593 }
1594
1595 static int xd_send_cmd(struct rtsx_chip *chip, u8 cmd)
1596 {
1597 int retval;
1598
1599 rtsx_init_cmd(chip);
1600
1601 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, cmd);
1602 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1603 XD_TRANSFER_START | XD_SET_CMD);
1604 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1605 XD_TRANSFER_END, XD_TRANSFER_END);
1606
1607 retval = rtsx_send_cmd(chip, XD_CARD, 200);
1608 if (retval < 0) {
1609 rtsx_trace(chip);
1610 return STATUS_FAIL;
1611 }
1612
1613 return STATUS_SUCCESS;
1614 }
1615
1616 static int xd_read_multiple_pages(struct rtsx_chip *chip, u32 phy_blk,
1617 u32 log_blk, u8 start_page, u8 end_page,
1618 u8 *buf, unsigned int *index,
1619 unsigned int *offset)
1620 {
1621 struct xd_info *xd_card = &(chip->xd_card);
1622 u32 page_addr, new_blk;
1623 u16 log_off;
1624 u8 reg_val, page_cnt;
1625 int zone_no, retval, i;
1626
1627 if (start_page > end_page) {
1628 rtsx_trace(chip);
1629 return STATUS_FAIL;
1630 }
1631
1632 page_cnt = end_page - start_page;
1633 zone_no = (int)(log_blk / 1000);
1634 log_off = (u16)(log_blk % 1000);
1635
1636 if ((phy_blk & 0x3FF) == 0x3FF) {
1637 for (i = 0; i < 256; i++) {
1638 page_addr = ((u32)i) << xd_card->block_shift;
1639
1640 retval = xd_read_redundant(chip, page_addr, NULL, 0);
1641 if (retval == STATUS_SUCCESS)
1642 break;
1643
1644 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1645 xd_set_err_code(chip, XD_NO_CARD);
1646 rtsx_trace(chip);
1647 return STATUS_FAIL;
1648 }
1649 }
1650 }
1651
1652 page_addr = (phy_blk << xd_card->block_shift) + start_page;
1653
1654 rtsx_init_cmd(chip);
1655
1656 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1657 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_PPB_TO_SIE, XD_PPB_TO_SIE);
1658 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER);
1659 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt);
1660 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
1661 XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS);
1662
1663 trans_dma_enable(chip->srb->sc_data_direction, chip,
1664 page_cnt * 512, DMA_512);
1665
1666 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1667 XD_TRANSFER_START | XD_READ_PAGES);
1668 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1669 XD_TRANSFER_END | XD_PPB_EMPTY, XD_TRANSFER_END | XD_PPB_EMPTY);
1670
1671 rtsx_send_cmd_no_wait(chip);
1672
1673 retval = rtsx_transfer_data_partial(chip, XD_CARD, buf, page_cnt * 512,
1674 scsi_sg_count(chip->srb),
1675 index, offset, DMA_FROM_DEVICE,
1676 chip->xd_timeout);
1677 if (retval < 0) {
1678 rtsx_clear_xd_error(chip);
1679
1680 if (retval == -ETIMEDOUT) {
1681 xd_set_err_code(chip, XD_TO_ERROR);
1682 rtsx_trace(chip);
1683 return STATUS_FAIL;
1684 } else {
1685 rtsx_trace(chip);
1686 goto Fail;
1687 }
1688 }
1689
1690 return STATUS_SUCCESS;
1691
1692 Fail:
1693 retval = rtsx_read_register(chip, XD_PAGE_STATUS, &reg_val);
1694 if (retval) {
1695 rtsx_trace(chip);
1696 return retval;
1697 }
1698
1699 if (reg_val != XD_GPG)
1700 xd_set_err_code(chip, XD_PRG_ERROR);
1701
1702 retval = rtsx_read_register(chip, XD_CTL, &reg_val);
1703 if (retval) {
1704 rtsx_trace(chip);
1705 return retval;
1706 }
1707
1708 if (((reg_val & (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1709 == (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1710 || ((reg_val & (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))
1711 == (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))) {
1712 wait_timeout(100);
1713
1714 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1715 xd_set_err_code(chip, XD_NO_CARD);
1716 rtsx_trace(chip);
1717 return STATUS_FAIL;
1718 }
1719
1720 xd_set_err_code(chip, XD_ECC_ERROR);
1721
1722 new_blk = xd_get_unused_block(chip, zone_no);
1723 if (new_blk == NO_NEW_BLK) {
1724 XD_CLR_BAD_OLDBLK(xd_card);
1725 rtsx_trace(chip);
1726 return STATUS_FAIL;
1727 }
1728
1729 retval = xd_copy_page(chip, phy_blk, new_blk, 0,
1730 xd_card->page_off + 1);
1731 if (retval != STATUS_SUCCESS) {
1732 if (!XD_CHK_BAD_NEWBLK(xd_card)) {
1733 retval = xd_erase_block(chip, new_blk);
1734 if (retval == STATUS_SUCCESS)
1735 xd_set_unused_block(chip, new_blk);
1736 } else {
1737 XD_CLR_BAD_NEWBLK(xd_card);
1738 }
1739 XD_CLR_BAD_OLDBLK(xd_card);
1740 rtsx_trace(chip);
1741 return STATUS_FAIL;
1742 }
1743 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF));
1744 xd_erase_block(chip, phy_blk);
1745 xd_mark_bad_block(chip, phy_blk);
1746 XD_CLR_BAD_OLDBLK(xd_card);
1747 }
1748
1749 rtsx_trace(chip);
1750 return STATUS_FAIL;
1751 }
1752
1753 static int xd_finish_write(struct rtsx_chip *chip,
1754 u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off)
1755 {
1756 struct xd_info *xd_card = &(chip->xd_card);
1757 int retval, zone_no;
1758 u16 log_off;
1759
1760 dev_dbg(rtsx_dev(chip), "xd_finish_write, old_blk = 0x%x, new_blk = 0x%x, log_blk = 0x%x\n",
1761 old_blk, new_blk, log_blk);
1762
1763 if (page_off > xd_card->page_off) {
1764 rtsx_trace(chip);
1765 return STATUS_FAIL;
1766 }
1767
1768 zone_no = (int)(log_blk / 1000);
1769 log_off = (u16)(log_blk % 1000);
1770
1771 if (old_blk == BLK_NOT_FOUND) {
1772 retval = xd_init_page(chip, new_blk, log_off,
1773 page_off, xd_card->page_off + 1);
1774 if (retval != STATUS_SUCCESS) {
1775 retval = xd_erase_block(chip, new_blk);
1776 if (retval == STATUS_SUCCESS)
1777 xd_set_unused_block(chip, new_blk);
1778 rtsx_trace(chip);
1779 return STATUS_FAIL;
1780 }
1781 } else {
1782 retval = xd_copy_page(chip, old_blk, new_blk,
1783 page_off, xd_card->page_off + 1);
1784 if (retval != STATUS_SUCCESS) {
1785 if (!XD_CHK_BAD_NEWBLK(xd_card)) {
1786 retval = xd_erase_block(chip, new_blk);
1787 if (retval == STATUS_SUCCESS)
1788 xd_set_unused_block(chip, new_blk);
1789 }
1790 XD_CLR_BAD_NEWBLK(xd_card);
1791 rtsx_trace(chip);
1792 return STATUS_FAIL;
1793 }
1794
1795 retval = xd_erase_block(chip, old_blk);
1796 if (retval == STATUS_SUCCESS) {
1797 if (XD_CHK_BAD_OLDBLK(xd_card)) {
1798 xd_mark_bad_block(chip, old_blk);
1799 XD_CLR_BAD_OLDBLK(xd_card);
1800 } else {
1801 xd_set_unused_block(chip, old_blk);
1802 }
1803 } else {
1804 xd_set_err_code(chip, XD_NO_ERROR);
1805 XD_CLR_BAD_OLDBLK(xd_card);
1806 }
1807 }
1808
1809 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF));
1810
1811 return STATUS_SUCCESS;
1812 }
1813
1814 static int xd_prepare_write(struct rtsx_chip *chip,
1815 u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off)
1816 {
1817 int retval;
1818
1819 dev_dbg(rtsx_dev(chip), "%s, old_blk = 0x%x, new_blk = 0x%x, log_blk = 0x%x, page_off = %d\n",
1820 __func__, old_blk, new_blk, log_blk, (int)page_off);
1821
1822 if (page_off) {
1823 retval = xd_copy_page(chip, old_blk, new_blk, 0, page_off);
1824 if (retval != STATUS_SUCCESS) {
1825 rtsx_trace(chip);
1826 return STATUS_FAIL;
1827 }
1828 }
1829
1830 return STATUS_SUCCESS;
1831 }
1832
1833
1834 static int xd_write_multiple_pages(struct rtsx_chip *chip, u32 old_blk,
1835 u32 new_blk, u32 log_blk, u8 start_page,
1836 u8 end_page, u8 *buf, unsigned int *index,
1837 unsigned int *offset)
1838 {
1839 struct xd_info *xd_card = &(chip->xd_card);
1840 u32 page_addr;
1841 int zone_no, retval;
1842 u16 log_off;
1843 u8 page_cnt, reg_val;
1844
1845 dev_dbg(rtsx_dev(chip), "%s, old_blk = 0x%x, new_blk = 0x%x, log_blk = 0x%x\n",
1846 __func__, old_blk, new_blk, log_blk);
1847
1848 if (start_page > end_page) {
1849 rtsx_trace(chip);
1850 return STATUS_FAIL;
1851 }
1852
1853 page_cnt = end_page - start_page;
1854 zone_no = (int)(log_blk / 1000);
1855 log_off = (u16)(log_blk % 1000);
1856
1857 page_addr = (new_blk << xd_card->block_shift) + start_page;
1858
1859 retval = xd_send_cmd(chip, READ1_1);
1860 if (retval != STATUS_SUCCESS) {
1861 rtsx_trace(chip);
1862 return STATUS_FAIL;
1863 }
1864
1865 rtsx_init_cmd(chip);
1866
1867 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H,
1868 0xFF, (u8)(log_off >> 8));
1869 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, (u8)log_off);
1870 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, XD_GBLK);
1871 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG);
1872
1873 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1874
1875 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_BA_TRANSFORM,
1876 XD_BA_TRANSFORM);
1877 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt);
1878 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER);
1879
1880 trans_dma_enable(chip->srb->sc_data_direction, chip,
1881 page_cnt * 512, DMA_512);
1882
1883 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER,
1884 0xFF, XD_TRANSFER_START | XD_WRITE_PAGES);
1885 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1886 XD_TRANSFER_END, XD_TRANSFER_END);
1887
1888 rtsx_send_cmd_no_wait(chip);
1889
1890 retval = rtsx_transfer_data_partial(chip, XD_CARD, buf, page_cnt * 512,
1891 scsi_sg_count(chip->srb),
1892 index, offset, DMA_TO_DEVICE, chip->xd_timeout);
1893 if (retval < 0) {
1894 rtsx_clear_xd_error(chip);
1895
1896 if (retval == -ETIMEDOUT) {
1897 xd_set_err_code(chip, XD_TO_ERROR);
1898 rtsx_trace(chip);
1899 return STATUS_FAIL;
1900 } else {
1901 rtsx_trace(chip);
1902 goto Fail;
1903 }
1904 }
1905
1906 if (end_page == (xd_card->page_off + 1)) {
1907 xd_card->delay_write.delay_write_flag = 0;
1908
1909 if (old_blk != BLK_NOT_FOUND) {
1910 retval = xd_erase_block(chip, old_blk);
1911 if (retval == STATUS_SUCCESS) {
1912 if (XD_CHK_BAD_OLDBLK(xd_card)) {
1913 xd_mark_bad_block(chip, old_blk);
1914 XD_CLR_BAD_OLDBLK(xd_card);
1915 } else {
1916 xd_set_unused_block(chip, old_blk);
1917 }
1918 } else {
1919 xd_set_err_code(chip, XD_NO_ERROR);
1920 XD_CLR_BAD_OLDBLK(xd_card);
1921 }
1922 }
1923 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF));
1924 }
1925
1926 return STATUS_SUCCESS;
1927
1928 Fail:
1929 retval = rtsx_read_register(chip, XD_DAT, &reg_val);
1930 if (retval) {
1931 rtsx_trace(chip);
1932 return retval;
1933 }
1934 if (reg_val & PROGRAM_ERROR) {
1935 xd_set_err_code(chip, XD_PRG_ERROR);
1936 xd_mark_bad_block(chip, new_blk);
1937 }
1938
1939 rtsx_trace(chip);
1940 return STATUS_FAIL;
1941 }
1942
1943 #ifdef XD_DELAY_WRITE
1944 int xd_delay_write(struct rtsx_chip *chip)
1945 {
1946 struct xd_info *xd_card = &(chip->xd_card);
1947 struct xd_delay_write_tag *delay_write = &(xd_card->delay_write);
1948 int retval;
1949
1950 if (delay_write->delay_write_flag) {
1951 dev_dbg(rtsx_dev(chip), "xd_delay_write\n");
1952 retval = xd_switch_clock(chip);
1953 if (retval != STATUS_SUCCESS) {
1954 rtsx_trace(chip);
1955 return STATUS_FAIL;
1956 }
1957
1958 delay_write->delay_write_flag = 0;
1959 retval = xd_finish_write(chip,
1960 delay_write->old_phyblock,
1961 delay_write->new_phyblock,
1962 delay_write->logblock, delay_write->pageoff);
1963 if (retval != STATUS_SUCCESS) {
1964 rtsx_trace(chip);
1965 return STATUS_FAIL;
1966 }
1967 }
1968
1969 return STATUS_SUCCESS;
1970 }
1971 #endif
1972
1973 int xd_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip,
1974 u32 start_sector, u16 sector_cnt)
1975 {
1976 struct xd_info *xd_card = &(chip->xd_card);
1977 unsigned int lun = SCSI_LUN(srb);
1978 #ifdef XD_DELAY_WRITE
1979 struct xd_delay_write_tag *delay_write = &(xd_card->delay_write);
1980 #endif
1981 int retval, zone_no;
1982 unsigned int index = 0, offset = 0;
1983 u32 log_blk, old_blk = 0, new_blk = 0;
1984 u16 log_off, total_sec_cnt = sector_cnt;
1985 u8 start_page, end_page = 0, page_cnt;
1986 u8 *ptr;
1987
1988 xd_set_err_code(chip, XD_NO_ERROR);
1989
1990 xd_card->cleanup_counter = 0;
1991
1992 dev_dbg(rtsx_dev(chip), "xd_rw: scsi_sg_count = %d\n",
1993 scsi_sg_count(srb));
1994
1995 ptr = (u8 *)scsi_sglist(srb);
1996
1997 retval = xd_switch_clock(chip);
1998 if (retval != STATUS_SUCCESS) {
1999 rtsx_trace(chip);
2000 return STATUS_FAIL;
2001 }
2002
2003
2004 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2005 chip->card_fail |= XD_CARD;
2006 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
2007 rtsx_trace(chip);
2008 return STATUS_FAIL;
2009 }
2010
2011 log_blk = start_sector >> xd_card->block_shift;
2012 start_page = (u8)start_sector & xd_card->page_off;
2013 zone_no = (int)(log_blk / 1000);
2014 log_off = (u16)(log_blk % 1000);
2015
2016 if (xd_card->zone[zone_no].build_flag == 0) {
2017 retval = xd_build_l2p_tbl(chip, zone_no);
2018 if (retval != STATUS_SUCCESS) {
2019 chip->card_fail |= XD_CARD;
2020 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
2021 rtsx_trace(chip);
2022 return STATUS_FAIL;
2023 }
2024 }
2025
2026 if (srb->sc_data_direction == DMA_TO_DEVICE) {
2027 #ifdef XD_DELAY_WRITE
2028 if (delay_write->delay_write_flag &&
2029 (delay_write->logblock == log_blk) &&
2030 (start_page > delay_write->pageoff)) {
2031 delay_write->delay_write_flag = 0;
2032 if (delay_write->old_phyblock != BLK_NOT_FOUND) {
2033 retval = xd_copy_page(chip,
2034 delay_write->old_phyblock,
2035 delay_write->new_phyblock,
2036 delay_write->pageoff, start_page);
2037 if (retval != STATUS_SUCCESS) {
2038 set_sense_type(chip, lun,
2039 SENSE_TYPE_MEDIA_WRITE_ERR);
2040 rtsx_trace(chip);
2041 return STATUS_FAIL;
2042 }
2043 }
2044 old_blk = delay_write->old_phyblock;
2045 new_blk = delay_write->new_phyblock;
2046 } else if (delay_write->delay_write_flag &&
2047 (delay_write->logblock == log_blk) &&
2048 (start_page == delay_write->pageoff)) {
2049 delay_write->delay_write_flag = 0;
2050 old_blk = delay_write->old_phyblock;
2051 new_blk = delay_write->new_phyblock;
2052 } else {
2053 retval = xd_delay_write(chip);
2054 if (retval != STATUS_SUCCESS) {
2055 set_sense_type(chip, lun,
2056 SENSE_TYPE_MEDIA_WRITE_ERR);
2057 rtsx_trace(chip);
2058 return STATUS_FAIL;
2059 }
2060 #endif
2061 old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
2062 new_blk = xd_get_unused_block(chip, zone_no);
2063 if ((old_blk == BLK_NOT_FOUND) ||
2064 (new_blk == BLK_NOT_FOUND)) {
2065 set_sense_type(chip, lun,
2066 SENSE_TYPE_MEDIA_WRITE_ERR);
2067 rtsx_trace(chip);
2068 return STATUS_FAIL;
2069 }
2070
2071 retval = xd_prepare_write(chip, old_blk, new_blk,
2072 log_blk, start_page);
2073 if (retval != STATUS_SUCCESS) {
2074 if (detect_card_cd(chip, XD_CARD) !=
2075 STATUS_SUCCESS) {
2076 set_sense_type(chip, lun,
2077 SENSE_TYPE_MEDIA_NOT_PRESENT);
2078 rtsx_trace(chip);
2079 return STATUS_FAIL;
2080 }
2081 set_sense_type(chip, lun,
2082 SENSE_TYPE_MEDIA_WRITE_ERR);
2083 rtsx_trace(chip);
2084 return STATUS_FAIL;
2085 }
2086 #ifdef XD_DELAY_WRITE
2087 }
2088 #endif
2089 } else {
2090 #ifdef XD_DELAY_WRITE
2091 retval = xd_delay_write(chip);
2092 if (retval != STATUS_SUCCESS) {
2093 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2094 set_sense_type(chip, lun,
2095 SENSE_TYPE_MEDIA_NOT_PRESENT);
2096 rtsx_trace(chip);
2097 return STATUS_FAIL;
2098 }
2099 set_sense_type(chip, lun,
2100 SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2101 rtsx_trace(chip);
2102 return STATUS_FAIL;
2103 }
2104 #endif
2105
2106 old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
2107 if (old_blk == BLK_NOT_FOUND) {
2108 set_sense_type(chip, lun,
2109 SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2110 rtsx_trace(chip);
2111 return STATUS_FAIL;
2112 }
2113 }
2114
2115 dev_dbg(rtsx_dev(chip), "old_blk = 0x%x\n", old_blk);
2116
2117 while (total_sec_cnt) {
2118 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2119 chip->card_fail |= XD_CARD;
2120 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
2121 rtsx_trace(chip);
2122 return STATUS_FAIL;
2123 }
2124
2125 if ((start_page + total_sec_cnt) > (xd_card->page_off + 1))
2126 end_page = xd_card->page_off + 1;
2127 else
2128 end_page = start_page + (u8)total_sec_cnt;
2129
2130 page_cnt = end_page - start_page;
2131 if (srb->sc_data_direction == DMA_FROM_DEVICE) {
2132 retval = xd_read_multiple_pages(chip, old_blk, log_blk,
2133 start_page, end_page, ptr,
2134 &index, &offset);
2135 if (retval != STATUS_SUCCESS) {
2136 set_sense_type(chip, lun,
2137 SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2138 rtsx_trace(chip);
2139 return STATUS_FAIL;
2140 }
2141 } else {
2142 retval = xd_write_multiple_pages(chip, old_blk,
2143 new_blk, log_blk,
2144 start_page, end_page, ptr,
2145 &index, &offset);
2146 if (retval != STATUS_SUCCESS) {
2147 set_sense_type(chip, lun,
2148 SENSE_TYPE_MEDIA_WRITE_ERR);
2149 rtsx_trace(chip);
2150 return STATUS_FAIL;
2151 }
2152 }
2153
2154 total_sec_cnt -= page_cnt;
2155 if (scsi_sg_count(srb) == 0)
2156 ptr += page_cnt * 512;
2157
2158 if (total_sec_cnt == 0)
2159 break;
2160
2161 log_blk++;
2162 zone_no = (int)(log_blk / 1000);
2163 log_off = (u16)(log_blk % 1000);
2164
2165 if (xd_card->zone[zone_no].build_flag == 0) {
2166 retval = xd_build_l2p_tbl(chip, zone_no);
2167 if (retval != STATUS_SUCCESS) {
2168 chip->card_fail |= XD_CARD;
2169 set_sense_type(chip, lun,
2170 SENSE_TYPE_MEDIA_NOT_PRESENT);
2171 rtsx_trace(chip);
2172 return STATUS_FAIL;
2173 }
2174 }
2175
2176 old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
2177 if (old_blk == BLK_NOT_FOUND) {
2178 if (srb->sc_data_direction == DMA_FROM_DEVICE)
2179 set_sense_type(chip, lun,
2180 SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2181 else
2182 set_sense_type(chip, lun,
2183 SENSE_TYPE_MEDIA_WRITE_ERR);
2184
2185 rtsx_trace(chip);
2186 return STATUS_FAIL;
2187 }
2188
2189 if (srb->sc_data_direction == DMA_TO_DEVICE) {
2190 new_blk = xd_get_unused_block(chip, zone_no);
2191 if (new_blk == BLK_NOT_FOUND) {
2192 set_sense_type(chip, lun,
2193 SENSE_TYPE_MEDIA_WRITE_ERR);
2194 rtsx_trace(chip);
2195 return STATUS_FAIL;
2196 }
2197 }
2198
2199 start_page = 0;
2200 }
2201
2202 if ((srb->sc_data_direction == DMA_TO_DEVICE) &&
2203 (end_page != (xd_card->page_off + 1))) {
2204 #ifdef XD_DELAY_WRITE
2205 delay_write->delay_write_flag = 1;
2206 delay_write->old_phyblock = old_blk;
2207 delay_write->new_phyblock = new_blk;
2208 delay_write->logblock = log_blk;
2209 delay_write->pageoff = end_page;
2210 #else
2211 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2212 chip->card_fail |= XD_CARD;
2213 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
2214 rtsx_trace(chip);
2215 return STATUS_FAIL;
2216 }
2217
2218 retval = xd_finish_write(chip, old_blk, new_blk,
2219 log_blk, end_page);
2220 if (retval != STATUS_SUCCESS) {
2221 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
2222 set_sense_type(chip, lun,
2223 SENSE_TYPE_MEDIA_NOT_PRESENT);
2224 rtsx_trace(chip);
2225 return STATUS_FAIL;
2226 }
2227 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
2228 rtsx_trace(chip);
2229 return STATUS_FAIL;
2230 }
2231 #endif
2232 }
2233
2234 scsi_set_resid(srb, 0);
2235
2236 return STATUS_SUCCESS;
2237 }
2238
2239 void xd_free_l2p_tbl(struct rtsx_chip *chip)
2240 {
2241 struct xd_info *xd_card = &(chip->xd_card);
2242 int i = 0;
2243
2244 if (xd_card->zone != NULL) {
2245 for (i = 0; i < xd_card->zone_cnt; i++) {
2246 vfree(xd_card->zone[i].l2p_table);
2247 xd_card->zone[i].l2p_table = NULL;
2248 vfree(xd_card->zone[i].free_table);
2249 xd_card->zone[i].free_table = NULL;
2250 }
2251 vfree(xd_card->zone);
2252 xd_card->zone = NULL;
2253 }
2254 }
2255
2256 void xd_cleanup_work(struct rtsx_chip *chip)
2257 {
2258 #ifdef XD_DELAY_WRITE
2259 struct xd_info *xd_card = &(chip->xd_card);
2260
2261 if (xd_card->delay_write.delay_write_flag) {
2262 dev_dbg(rtsx_dev(chip), "xD: delay write\n");
2263 xd_delay_write(chip);
2264 xd_card->cleanup_counter = 0;
2265 }
2266 #endif
2267 }
2268
2269 int xd_power_off_card3v3(struct rtsx_chip *chip)
2270 {
2271 int retval;
2272
2273 retval = disable_card_clock(chip, XD_CARD);
2274 if (retval != STATUS_SUCCESS) {
2275 rtsx_trace(chip);
2276 return STATUS_FAIL;
2277 }
2278
2279 retval = rtsx_write_register(chip, CARD_OE, XD_OUTPUT_EN, 0);
2280 if (retval) {
2281 rtsx_trace(chip);
2282 return retval;
2283 }
2284
2285 if (!chip->ft2_fast_mode) {
2286 retval = card_power_off(chip, XD_CARD);
2287 if (retval != STATUS_SUCCESS) {
2288 rtsx_trace(chip);
2289 return STATUS_FAIL;
2290 }
2291
2292 wait_timeout(50);
2293 }
2294
2295 if (chip->asic_code) {
2296 retval = xd_pull_ctl_disable(chip);
2297 if (retval != STATUS_SUCCESS) {
2298 rtsx_trace(chip);
2299 return STATUS_FAIL;
2300 }
2301 } else {
2302 retval = rtsx_write_register(chip, FPGA_PULL_CTL, 0xFF, 0xDF);
2303 if (retval) {
2304 rtsx_trace(chip);
2305 return retval;
2306 }
2307 }
2308
2309 return STATUS_SUCCESS;
2310 }
2311
2312 int release_xd_card(struct rtsx_chip *chip)
2313 {
2314 struct xd_info *xd_card = &(chip->xd_card);
2315 int retval;
2316
2317 chip->card_ready &= ~XD_CARD;
2318 chip->card_fail &= ~XD_CARD;
2319 chip->card_wp &= ~XD_CARD;
2320
2321 xd_card->delay_write.delay_write_flag = 0;
2322
2323 xd_free_l2p_tbl(chip);
2324
2325 retval = xd_power_off_card3v3(chip);
2326 if (retval != STATUS_SUCCESS) {
2327 rtsx_trace(chip);
2328 return STATUS_FAIL;
2329 }
2330
2331 return STATUS_SUCCESS;
2332 }
Linux kernel - Deliverables
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