1/* Driver for Realtek RTS51xx USB card reader
2 *
3 * Copyright(c) 2009 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 *   wwang (wei_wang@realsil.com.cn)
20 *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
21 * Maintainer:
22 *   Edwin Rong (edwin_rong@realsil.com.cn)
23 *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
24 */
25
26#include <linux/blkdev.h>
27#include <linux/kthread.h>
28#include <linux/sched.h>
29#include <linux/vmalloc.h>
30
31#include "debug.h"
32#include "trace.h"
33#include "rts51x.h"
34#include "rts51x_transport.h"
35#include "rts51x_scsi.h"
36#include "rts51x_card.h"
37#include "xd.h"
38
39static int xd_build_l2p_tbl(struct rts51x_chip *chip, int zone_no);
40static int xd_init_page(struct rts51x_chip *chip, u32 phy_blk, u16 logoff,
41			u8 start_page, u8 end_page);
42
43static inline void xd_set_err_code(struct rts51x_chip *chip, u8 err_code)
44{
45	struct xd_info *xd_card = &(chip->xd_card);
46
47	xd_card->err_code = err_code;
48}
49
50static inline int xd_check_err_code(struct rts51x_chip *chip, u8 err_code)
51{
52	struct xd_info *xd_card = &(chip->xd_card);
53
54	return (xd_card->err_code == err_code);
55}
56
57static int xd_set_init_para(struct rts51x_chip *chip)
58{
59	struct xd_info *xd_card = &(chip->xd_card);
60	int retval;
61
62	if (chip->asic_code)
63		xd_card->xd_clock = 47;
64	else
65		xd_card->xd_clock = CLK_50;
66
67	retval = switch_clock(chip, xd_card->xd_clock);
68	if (retval != STATUS_SUCCESS)
69		TRACE_RET(chip, retval);
70
71	return STATUS_SUCCESS;
72}
73
74static int xd_switch_clock(struct rts51x_chip *chip)
75{
76	struct xd_info *xd_card = &(chip->xd_card);
77	int retval;
78
79	retval = rts51x_select_card(chip, XD_CARD);
80	if (retval != STATUS_SUCCESS)
81		TRACE_RET(chip, retval);
82
83	retval = switch_clock(chip, xd_card->xd_clock);
84	if (retval != STATUS_SUCCESS)
85		TRACE_RET(chip, retval);
86
87	return STATUS_SUCCESS;
88}
89
90static int xd_read_id(struct rts51x_chip *chip, u8 id_cmd, u8 *id_buf,
91		      u8 buf_len)
92{
93	int retval, i;
94
95	rts51x_init_cmd(chip);
96
97	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, id_cmd);
98	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
99		       XD_TRANSFER_START | XD_READ_ID);
100	rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
101		       XD_TRANSFER_END);
102
103	for (i = 0; i < 4; i++) {
104		rts51x_add_cmd(chip, READ_REG_CMD, (u16) (XD_ADDRESS1 + i), 0,
105			       0);
106	}
107
108	retval = rts51x_send_cmd(chip, MODE_CR, 20);
109	if (retval != STATUS_SUCCESS)
110		TRACE_RET(chip, retval);
111
112	retval = rts51x_get_rsp(chip, 5, 20);
113
114	if (retval != STATUS_SUCCESS) {
115		rts51x_clear_xd_error(chip);
116		TRACE_RET(chip, retval);
117	}
118
119	if (id_buf && buf_len) {
120		if (buf_len > 4)
121			buf_len = 4;
122		rts51x_read_rsp_buf(chip, 1, id_buf, buf_len);
123	}
124
125	return STATUS_SUCCESS;
126}
127
128static void xd_assign_phy_addr(struct rts51x_chip *chip, u32 addr, u8 mode)
129{
130	struct xd_info *xd_card = &(chip->xd_card);
131
132	switch (mode) {
133	case XD_RW_ADDR:
134		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS0, 0xFF, 0);
135		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS1, 0xFF,
136			       (u8) addr);
137		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS2, 0xFF,
138			       (u8) (addr >> 8));
139		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS3, 0xFF,
140			       (u8) (addr >> 16));
141		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 0xFF,
142			       xd_card->addr_cycle | XD_CALC_ECC |
143			       XD_BA_NO_TRANSFORM);
144		break;
145
146	case XD_ERASE_ADDR:
147		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS0, 0xFF,
148			       (u8) addr);
149		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS1, 0xFF,
150			       (u8) (addr >> 8));
151		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS2, 0xFF,
152			       (u8) (addr >> 16));
153		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 0xFF,
154			       (xd_card->addr_cycle - 1) |
155			       XD_CALC_ECC | XD_BA_NO_TRANSFORM);
156		break;
157
158	default:
159		break;
160	}
161}
162
163static int xd_read_redundant(struct rts51x_chip *chip, u32 page_addr, u8 *buf,
164			     int buf_len)
165{
166	int retval, i;
167
168	rts51x_init_cmd(chip);
169
170	xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
171
172	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
173		       XD_TRANSFER_START | XD_READ_REDUNDANT);
174	rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
175		       XD_TRANSFER_END);
176
177	for (i = 0; i < 6; i++) {
178		rts51x_add_cmd(chip, READ_REG_CMD, (u16) (XD_PAGE_STATUS + i),
179			       0, 0);
180	}
181	for (i = 0; i < 4; i++) {
182		rts51x_add_cmd(chip, READ_REG_CMD, (u16) (XD_RESERVED0 + i), 0,
183			       0);
184	}
185	rts51x_add_cmd(chip, READ_REG_CMD, XD_PARITY, 0, 0);
186
187	retval = rts51x_send_cmd(chip, MODE_CR, 100);
188	if (retval != STATUS_SUCCESS)
189		TRACE_RET(chip, retval);
190
191	retval = rts51x_get_rsp(chip, 11, 500);
192
193	if (retval != STATUS_SUCCESS) {
194		rts51x_clear_xd_error(chip);
195		TRACE_RET(chip, retval);
196	}
197
198	if (buf && buf_len) {
199		if (buf_len > 11)
200			buf_len = 11;
201		rts51x_read_rsp_buf(chip, 1, buf, buf_len);
202	}
203
204	return STATUS_SUCCESS;
205}
206
207static int xd_read_data_from_ppb(struct rts51x_chip *chip, int offset, u8 *buf,
208				 int buf_len)
209{
210	int retval, i;
211
212	if (!buf || (buf_len <= 0))
213		TRACE_RET(chip, STATUS_FAIL);
214
215	rts51x_init_cmd(chip);
216
217	for (i = 0; i < buf_len; i++) {
218		rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + offset + i, 0,
219			       0);
220	}
221
222	retval = rts51x_send_cmd(chip, MODE_CR, 100);
223	if (retval != STATUS_SUCCESS)
224		TRACE_RET(chip, retval);
225
226	retval = rts51x_get_rsp(chip, buf_len, 200);
227	if (retval != STATUS_SUCCESS)
228		TRACE_RET(chip, retval);
229
230	rts51x_read_rsp_buf(chip, 0, buf, buf_len);
231
232	return STATUS_SUCCESS;
233}
234
235static int xd_read_cis(struct rts51x_chip *chip, u32 page_addr, u8 *buf,
236		       int buf_len)
237{
238	int retval;
239	u8 reg;
240
241	if (!buf || (buf_len < 10))
242		TRACE_RET(chip, STATUS_FAIL);
243
244	rts51x_init_cmd(chip);
245
246	xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
247
248	rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
249		       PINGPONG_BUFFER);
250	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
251	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
252		       XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS);
253
254	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
255		       XD_TRANSFER_START | XD_READ_PAGES);
256	rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
257		       XD_TRANSFER_END | XD_PPB_EMPTY,
258		       XD_TRANSFER_END | XD_PPB_EMPTY);
259
260	retval = rts51x_send_cmd(chip, MODE_CR, 100);
261	if (retval != STATUS_SUCCESS)
262		TRACE_RET(chip, retval);
263
264	retval = rts51x_get_rsp(chip, 1, 500);
265	if (retval == STATUS_TIMEDOUT) {
266		rts51x_clear_xd_error(chip);
267		TRACE_RET(chip, retval);
268	}
269
270	RTS51X_READ_REG(chip, XD_PAGE_STATUS, &reg);
271	if (reg != XD_GPG) {
272		rts51x_clear_xd_error(chip);
273		TRACE_RET(chip, STATUS_FAIL);
274	}
275
276	RTS51X_READ_REG(chip, XD_CTL, &reg);
277
278	if (!(reg & XD_ECC1_ERROR) || !(reg & XD_ECC1_UNCORRECTABLE)) {
279		retval = xd_read_data_from_ppb(chip, 0, buf, buf_len);
280		if (retval != STATUS_SUCCESS)
281			TRACE_RET(chip, retval);
282		if (reg & XD_ECC1_ERROR) {	/* correctable error */
283			u8 ecc_bit, ecc_byte;
284
285			RTS51X_READ_REG(chip, XD_ECC_BIT1, &ecc_bit);
286			RTS51X_READ_REG(chip, XD_ECC_BYTE1, &ecc_byte);
287
288			RTS51X_DEBUGP("ECC_BIT1 = 0x%x, ECC_BYTE1 = 0x%x\n",
289				       ecc_bit, ecc_byte);
290			if (ecc_byte < buf_len) {
291				RTS51X_DEBUGP("Before correct: 0x%x\n",
292					       buf[ecc_byte]);
293				buf[ecc_byte] ^= (1 << ecc_bit);
294				RTS51X_DEBUGP("After correct: 0x%x\n",
295					       buf[ecc_byte]);
296			}
297		}
298	} else if (!(reg & XD_ECC2_ERROR) || !(reg & XD_ECC2_UNCORRECTABLE)) {
299		RTS51X_WRITE_REG(chip, CARD_STOP, XD_STOP | XD_CLR_ERR,
300				 XD_STOP | XD_CLR_ERR);
301
302		retval = xd_read_data_from_ppb(chip, 256, buf, buf_len);
303		if (retval != STATUS_SUCCESS)
304			TRACE_RET(chip, retval);
305		if (reg & XD_ECC2_ERROR) {
306			u8 ecc_bit, ecc_byte;
307
308			RTS51X_READ_REG(chip, XD_ECC_BIT2, &ecc_bit);
309			RTS51X_READ_REG(chip, XD_ECC_BYTE2, &ecc_byte);
310
311			RTS51X_DEBUGP("ECC_BIT2 = 0x%x, ECC_BYTE2 = 0x%x\n",
312				       ecc_bit, ecc_byte);
313			if (ecc_byte < buf_len) {
314				RTS51X_DEBUGP("Before correct: 0x%x\n",
315					       buf[ecc_byte]);
316				buf[ecc_byte] ^= (1 << ecc_bit);
317				RTS51X_DEBUGP("After correct: 0x%x\n",
318					       buf[ecc_byte]);
319			}
320		}
321	} else {
322		rts51x_clear_xd_error(chip);
323		TRACE_RET(chip, STATUS_FAIL);
324	}
325
326	return STATUS_SUCCESS;
327}
328
329static void xd_pull_ctl_disable(struct rts51x_chip *chip)
330{
331	if (CHECK_PKG(chip, LQFP48)) {
332		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55);
333		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
334		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
335		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
336		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
337		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5);
338	} else {
339		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x65);
340		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
341		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
342		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
343		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x56);
344		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x59);
345	}
346}
347
348static void xd_pull_ctl_enable(struct rts51x_chip *chip)
349{
350	if (CHECK_PKG(chip, LQFP48)) {
351		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0xAA);
352		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
353		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
354		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
355		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
356		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5);
357	} else {
358		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0xA5);
359		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x59);
360		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
361		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
362		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
363		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x59);
364	}
365}
366
367static int reset_xd(struct rts51x_chip *chip)
368{
369	struct xd_info *xd_card = &(chip->xd_card);
370	int retval, i, j;
371	u8 id_buf[4], redunt[11];
372
373	retval = rts51x_select_card(chip, XD_CARD);
374	if (retval != STATUS_SUCCESS)
375		TRACE_RET(chip, STATUS_FAIL);
376
377	rts51x_init_cmd(chip);
378
379	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, 0xFF,
380		       XD_PGSTS_NOT_FF);
381	if (chip->asic_code)
382		xd_pull_ctl_disable(chip);
383	else
384		rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF,
385			       (FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN3));
386
387	if (!chip->option.FT2_fast_mode) {
388		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_INIT, XD_NO_AUTO_PWR_OFF,
389			       0);
390		if (CHECK_PKG(chip, LQFP48) ||
391				chip->option.rts5129_D3318_off_enable) {
392			rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL,
393				       DV3318_AUTO_PWR_OFF,
394				       DV3318_AUTO_PWR_OFF);
395		}
396	}
397	rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, 0);
398	if (!chip->option.FT2_fast_mode) {
399		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK,
400			       POWER_OFF);
401	}
402
403	retval = rts51x_send_cmd(chip, MODE_C, 100);
404	if (retval != STATUS_SUCCESS)
405		TRACE_RET(chip, retval);
406	if (!chip->option.FT2_fast_mode) {
407#ifdef SD_XD_IO_FOLLOW_PWR
408		if (CHECK_PKG(chip, LQFP48)
409		    || chip->option.rts5129_D3318_off_enable) {
410			rts51x_write_register(chip, CARD_PWR_CTL,
411					LDO_OFF, LDO_OFF);
412		}
413#endif
414
415		wait_timeout(250);
416
417#ifdef SD_XD_IO_FOLLOW_PWR
418		if (CHECK_PKG(chip, LQFP48)
419		    || chip->option.rts5129_D3318_off_enable) {
420			rts51x_init_cmd(chip);
421			if (chip->asic_code) {
422				xd_pull_ctl_enable(chip);
423			} else {
424				rts51x_add_cmd(chip, WRITE_REG_CMD,
425					FPGA_PULL_CTL, 0xFF,
426					(FPGA_XD_PULL_CTL_EN1 &
427						FPGA_XD_PULL_CTL_EN2));
428			}
429			retval = rts51x_send_cmd(chip, MODE_C, 100);
430			if (retval != STATUS_SUCCESS)
431				TRACE_RET(chip, STATUS_FAIL);
432		}
433#endif
434
435		retval = card_power_on(chip, XD_CARD);
436		if (retval != STATUS_SUCCESS)
437			TRACE_RET(chip, retval);
438#ifdef SUPPORT_OCP
439		wait_timeout(50);
440		rts51x_get_card_status(chip, &(chip->card_status));
441		chip->ocp_stat = (chip->card_status >> 4) & 0x03;
442
443		if (chip->ocp_stat & (MS_OCP_NOW | MS_OCP_EVER)) {
444			RTS51X_DEBUGP("Over current, OCPSTAT is 0x%x\n",
445				       chip->ocp_stat);
446			TRACE_RET(chip, STATUS_FAIL);
447		}
448#endif
449	}
450
451	rts51x_init_cmd(chip);
452
453	if (chip->asic_code)
454		xd_pull_ctl_enable(chip);
455	else
456		rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF,
457			       (FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN2));
458	rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN,
459		       XD_OUTPUT_EN);
460	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CTL, XD_CE_DISEN, XD_CE_DISEN);
461
462	retval = rts51x_send_cmd(chip, MODE_C, 100);
463	if (retval != STATUS_SUCCESS)
464		TRACE_RET(chip, STATUS_FAIL);
465
466	if (!chip->option.FT2_fast_mode)
467		wait_timeout(200);
468
469	retval = xd_set_init_para(chip);
470	if (retval != STATUS_SUCCESS)
471		TRACE_RET(chip, STATUS_FAIL);
472	/* Read ID to check if the timing setting is right */
473	for (i = 0; i < 4; i++) {
474		u8 xd_dat, xd_ctl;
475
476		if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST)
477			TRACE_RET(chip, STATUS_FAIL);
478
479		rts51x_init_cmd(chip);
480		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_DTCTL, 0xFF,
481			XD_TIME_SETUP_STEP * 3 + XD_TIME_RW_STEP *
482			(2 + i + chip->option.xd_rw_step)
483			+ XD_TIME_RWN_STEP * (i + chip->option.xd_rwn_step));
484		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CATCTL, 0xFF,
485			XD_TIME_SETUP_STEP * 3 + XD_TIME_RW_STEP * (4 +
486			i) + XD_TIME_RWN_STEP * (3 + i));
487
488		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
489			       XD_TRANSFER_START | XD_RESET);
490		rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
491			       XD_TRANSFER_END, XD_TRANSFER_END);
492
493		rts51x_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
494		rts51x_add_cmd(chip, READ_REG_CMD, XD_CTL, 0, 0);
495
496		retval = rts51x_send_cmd(chip, MODE_CR, 100);
497		if (retval != STATUS_SUCCESS) {
498			rts51x_clear_xd_error(chip);
499			TRACE_RET(chip, retval);
500		}
501
502		retval = rts51x_get_rsp(chip, 3, 100);
503		if (retval != STATUS_SUCCESS) {
504			rts51x_clear_xd_error(chip);
505			TRACE_RET(chip, retval);
506		}
507
508		xd_dat = chip->rsp_buf[1];
509		xd_ctl = chip->rsp_buf[2];
510		RTS51X_DEBUGP("XD_DAT: 0x%x, XD_CTL: 0x%x\n", xd_dat, xd_ctl);
511
512		if (((xd_dat & READY_FLAG) != READY_STATE)
513		    || !(xd_ctl & XD_RDY))
514			continue;
515
516		retval = xd_read_id(chip, READ_ID, id_buf, 4);
517		if (retval != STATUS_SUCCESS)
518			TRACE_RET(chip, retval);
519
520		RTS51X_DEBUGP("READ_ID: 0x%x 0x%x 0x%x 0x%x\n",
521			       id_buf[0], id_buf[1], id_buf[2], id_buf[3]);
522
523		xd_card->device_code = id_buf[1];
524
525		switch (xd_card->device_code) {
526		case XD_4M_X8_512_1:
527		case XD_4M_X8_512_2:
528			xd_card->block_shift = 4;	/* 16 pages per block */
529			xd_card->page_off = 0x0F;
530			xd_card->addr_cycle = 3;
531			xd_card->zone_cnt = 1;
532			xd_card->capacity = 8000;	/* 500 * 2 ^ 4 */
533			XD_SET_4MB(xd_card);
534			break;
535		case XD_8M_X8_512:
536			xd_card->block_shift = 4;
537			xd_card->page_off = 0x0F;
538			xd_card->addr_cycle = 3;
539			xd_card->zone_cnt = 1;
540			xd_card->capacity = 16000;	/* 1000 * 2 ^ 4 */
541			break;
542		case XD_16M_X8_512:
543			XD_PAGE_512(xd_card);	/* 32 pages per block */
544			xd_card->addr_cycle = 3;
545			xd_card->zone_cnt = 1;
546			xd_card->capacity = 32000;	/* 1000 * 2 ^ 5 */
547			break;
548		case XD_32M_X8_512:
549			XD_PAGE_512(xd_card);
550			xd_card->addr_cycle = 3;
551			xd_card->zone_cnt = 2;
552			xd_card->capacity = 64000;	/* 2000 * 2 ^ 5 */
553			break;
554		case XD_64M_X8_512:
555			XD_PAGE_512(xd_card);
556			xd_card->addr_cycle = 4;
557			xd_card->zone_cnt = 4;
558			xd_card->capacity = 128000;	/* 4000 * 2 ^ 5 */
559			break;
560		case XD_128M_X8_512:
561			XD_PAGE_512(xd_card);
562			xd_card->addr_cycle = 4;
563			xd_card->zone_cnt = 8;
564			xd_card->capacity = 256000;	/* 8000 * 2 ^ 5 */
565			break;
566		case XD_256M_X8_512:
567			XD_PAGE_512(xd_card);
568			xd_card->addr_cycle = 4;
569			xd_card->zone_cnt = 16;
570			xd_card->capacity = 512000;	/* 16000 * 2 ^ 5 */
571			break;
572		case XD_512M_X8:
573			XD_PAGE_512(xd_card);
574			xd_card->addr_cycle = 4;
575			xd_card->zone_cnt = 32;
576			xd_card->capacity = 1024000;	/* 32000 * 2 ^ 5 */
577			break;
578		case xD_1G_X8_512:
579			XD_PAGE_512(xd_card);
580			xd_card->addr_cycle = 4;
581			xd_card->zone_cnt = 64;
582			xd_card->capacity = 2048000;	/* 64000 * 2 ^ 5 */
583			break;
584		case xD_2G_X8_512:
585			XD_PAGE_512(xd_card);
586			xd_card->addr_cycle = 4;
587			xd_card->zone_cnt = 128;
588			xd_card->capacity = 4096000;	/* 128000 * 2 ^ 5 */
589			break;
590		default:
591			continue;
592		}
593
594		/* Confirm timing setting */
595		for (j = 0; j < 10; j++) {
596			retval = xd_read_id(chip, READ_ID, id_buf, 4);
597			if (retval != STATUS_SUCCESS)
598				TRACE_RET(chip, retval);
599
600			if (id_buf[1] != xd_card->device_code)
601				break;
602		}
603
604		/* Current timing pass */
605		if (j == 10)
606			break;
607	}
608
609	if (i == 4) {
610		xd_card->block_shift = 0;
611		xd_card->page_off = 0;
612		xd_card->addr_cycle = 0;
613		xd_card->capacity = 0;
614
615		TRACE_RET(chip, STATUS_FAIL);
616	}
617
618	retval = xd_read_id(chip, READ_xD_ID, id_buf, 4);
619	if (retval != STATUS_SUCCESS)
620		TRACE_RET(chip, retval);
621	RTS51X_DEBUGP("READ_xD_ID: 0x%x 0x%x 0x%x 0x%x\n",
622		       id_buf[0], id_buf[1], id_buf[2], id_buf[3]);
623	if (id_buf[2] != XD_ID_CODE)
624		TRACE_RET(chip, STATUS_FAIL);
625
626	/* Search CIS block */
627	for (i = 0; i < 24; i++) {
628		u32 page_addr;
629
630		if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST)
631			TRACE_RET(chip, STATUS_FAIL);
632
633		page_addr = (u32) i << xd_card->block_shift;
634
635		for (j = 0; j < 3; j++) {
636			retval = xd_read_redundant(chip, page_addr, redunt, 11);
637			if (retval == STATUS_SUCCESS)
638				break;
639		}
640		if (j == 3)
641			continue;
642
643		if (redunt[BLOCK_STATUS] != XD_GBLK)
644			continue;
645
646		j = 0;
647		/* Check page status */
648		if (redunt[PAGE_STATUS] != XD_GPG) {
649			for (j = 1; j <= 8; j++) {
650				retval =
651				    xd_read_redundant(chip, page_addr + j,
652						      redunt, 11);
653				if (retval == STATUS_SUCCESS) {
654					if (redunt[PAGE_STATUS] == XD_GPG)
655						break;
656				}
657			}
658
659			if (j == 9)
660				break;
661		}
662
663		if ((redunt[BLOCK_STATUS] == XD_GBLK)
664		    && (redunt[PARITY] & XD_BA1_ALL0)) {
665			u8 buf[10];
666
667			page_addr += j;
668
669			retval = xd_read_cis(chip, page_addr, buf, 10);
670			if (retval != STATUS_SUCCESS)
671				TRACE_RET(chip, retval);
672
673			if ((buf[0] == 0x01) && (buf[1] == 0x03)
674			    && (buf[2] == 0xD9)
675			    && (buf[3] == 0x01) && (buf[4] == 0xFF)
676			    && (buf[5] == 0x18) && (buf[6] == 0x02)
677			    && (buf[7] == 0xDF) && (buf[8] == 0x01)
678			    && (buf[9] == 0x20)) {
679				xd_card->cis_block = (u16) i;
680			}
681		}
682
683		break;
684	}
685
686	RTS51X_DEBUGP("CIS block: 0x%x\n", xd_card->cis_block);
687	if (xd_card->cis_block == 0xFFFF)
688		TRACE_RET(chip, STATUS_FAIL);
689
690	chip->capacity[chip->card2lun[XD_CARD]] = xd_card->capacity;
691
692	return STATUS_SUCCESS;
693}
694
695static int xd_check_data_blank(u8 *redunt)
696{
697	int i;
698
699	for (i = 0; i < 6; i++) {
700		if (redunt[PAGE_STATUS + i] != 0xFF)
701			return 0;
702	}
703
704	if ((redunt[PARITY] & (XD_ECC1_ALL1 | XD_ECC2_ALL1)) !=
705	    (XD_ECC1_ALL1 | XD_ECC2_ALL1))
706		return 0;
707
708	for (i = 0; i < 4; i++) {
709		if (redunt[RESERVED0 + i] != 0xFF)
710			return 0;
711	}
712
713	return 1;
714}
715
716static u16 xd_load_log_block_addr(u8 *redunt)
717{
718	u16 addr = 0xFFFF;
719
720	if (redunt[PARITY] & XD_BA1_BA2_EQL)
721		addr =
722		    ((u16) redunt[BLOCK_ADDR1_H] << 8) | redunt[BLOCK_ADDR1_L];
723	else if (redunt[PARITY] & XD_BA1_VALID)
724		addr =
725		    ((u16) redunt[BLOCK_ADDR1_H] << 8) | redunt[BLOCK_ADDR1_L];
726	else if (redunt[PARITY] & XD_BA2_VALID)
727		addr =
728		    ((u16) redunt[BLOCK_ADDR2_H] << 8) | redunt[BLOCK_ADDR2_L];
729
730	return addr;
731}
732
733static int xd_init_l2p_tbl(struct rts51x_chip *chip)
734{
735	struct xd_info *xd_card = &(chip->xd_card);
736	int size, i;
737
738	RTS51X_DEBUGP("xd_init_l2p_tbl: zone_cnt = %d\n", xd_card->zone_cnt);
739
740	if (xd_card->zone_cnt < 1)
741		TRACE_RET(chip, STATUS_FAIL);
742
743	size = xd_card->zone_cnt * sizeof(struct zone_entry);
744	RTS51X_DEBUGP("Buffer size for l2p table is %d\n", size);
745
746	xd_card->zone = vmalloc(size);
747	if (!xd_card->zone)
748		TRACE_RET(chip, STATUS_NOMEM);
749
750	for (i = 0; i < xd_card->zone_cnt; i++) {
751		xd_card->zone[i].build_flag = 0;
752		xd_card->zone[i].l2p_table = NULL;
753		xd_card->zone[i].free_table = NULL;
754		xd_card->zone[i].get_index = 0;
755		xd_card->zone[i].set_index = 0;
756		xd_card->zone[i].unused_blk_cnt = 0;
757	}
758
759	return STATUS_SUCCESS;
760}
761
762static inline void free_zone(struct zone_entry *zone)
763{
764	RTS51X_DEBUGP("free_zone\n");
765	if (!zone)
766		return;
767	zone->build_flag = 0;
768	zone->set_index = 0;
769	zone->get_index = 0;
770	zone->unused_blk_cnt = 0;
771	if (zone->l2p_table) {
772		vfree(zone->l2p_table);
773		zone->l2p_table = NULL;
774	}
775	if (zone->free_table) {
776		vfree(zone->free_table);
777		zone->free_table = NULL;
778	}
779}
780
781static void xd_set_unused_block(struct rts51x_chip *chip, u32 phy_blk)
782{
783	struct xd_info *xd_card = &(chip->xd_card);
784	struct zone_entry *zone;
785	int zone_no;
786
787	zone_no = (int)phy_blk >> 10;
788	if (zone_no >= xd_card->zone_cnt) {
789		RTS51X_DEBUGP("Set unused block to invalid zone"
790					"(zone_no = %d, zone_cnt = %d)\n",
791					zone_no, xd_card->zone_cnt);
792		return;
793	}
794	zone = &(xd_card->zone[zone_no]);
795
796	if (zone->free_table == NULL) {
797		if (xd_build_l2p_tbl(chip, zone_no) != STATUS_SUCCESS)
798			return;
799	}
800
801	if ((zone->set_index >= XD_FREE_TABLE_CNT)
802	    || (zone->set_index < 0)) {
803		free_zone(zone);
804		RTS51X_DEBUGP("Set unused block fail, invalid set_index\n");
805		return;
806	}
807
808	RTS51X_DEBUGP("Set unused block to index %d\n", zone->set_index);
809
810	zone->free_table[zone->set_index++] = (u16) (phy_blk & 0x3ff);
811	if (zone->set_index >= XD_FREE_TABLE_CNT)
812		zone->set_index = 0;
813	zone->unused_blk_cnt++;
814}
815
816static u32 xd_get_unused_block(struct rts51x_chip *chip, int zone_no)
817{
818	struct xd_info *xd_card = &(chip->xd_card);
819	struct zone_entry *zone;
820	u32 phy_blk;
821
822	if (zone_no >= xd_card->zone_cnt) {
823		RTS51X_DEBUGP("Get unused block from invalid zone"
824					"(zone_no = %d, zone_cnt = %d)\n",
825					zone_no, xd_card->zone_cnt);
826		TRACE_RET(chip, BLK_NOT_FOUND);
827	}
828	zone = &(xd_card->zone[zone_no]);
829
830	if ((zone->unused_blk_cnt == 0) ||
831			(zone->set_index == zone->get_index)) {
832		free_zone(zone);
833		RTS51X_DEBUGP("Get unused block fail,"
834					"no unused block available\n");
835		TRACE_RET(chip, BLK_NOT_FOUND);
836	}
837	if ((zone->get_index >= XD_FREE_TABLE_CNT) || (zone->get_index < 0)) {
838		free_zone(zone);
839		RTS51X_DEBUGP("Get unused block fail, invalid get_index\n");
840		TRACE_RET(chip, BLK_NOT_FOUND);
841	}
842
843	RTS51X_DEBUGP("Get unused block from index %d\n", zone->get_index);
844
845	phy_blk = zone->free_table[zone->get_index];
846	zone->free_table[zone->get_index++] = 0xFFFF;
847	if (zone->get_index >= XD_FREE_TABLE_CNT)
848		zone->get_index = 0;
849	zone->unused_blk_cnt--;
850
851	phy_blk += ((u32) (zone_no) << 10);
852	return phy_blk;
853}
854
855static void xd_set_l2p_tbl(struct rts51x_chip *chip, int zone_no, u16 log_off,
856			   u16 phy_off)
857{
858	struct xd_info *xd_card = &(chip->xd_card);
859	struct zone_entry *zone;
860
861	zone = &(xd_card->zone[zone_no]);
862	zone->l2p_table[log_off] = phy_off;
863}
864
865static u32 xd_get_l2p_tbl(struct rts51x_chip *chip, int zone_no, u16 log_off)
866{
867	struct xd_info *xd_card = &(chip->xd_card);
868	struct zone_entry *zone;
869	int retval;
870
871	zone = &(xd_card->zone[zone_no]);
872	if (zone->l2p_table[log_off] == 0xFFFF) {
873		u32 phy_blk = 0;
874		int i;
875
876		retval = xd_delay_write(chip);
877		if (retval != STATUS_SUCCESS) {
878			RTS51X_DEBUGP("In xd_get_l2p_tbl,"
879						"delay write fail!\n");
880			TRACE_RET(chip, BLK_NOT_FOUND);
881		}
882
883		if (zone->unused_blk_cnt <= 0) {
884			RTS51X_DEBUGP("No unused block!\n");
885			TRACE_RET(chip, BLK_NOT_FOUND);
886		}
887
888		for (i = 0; i < zone->unused_blk_cnt; i++) {
889			phy_blk = xd_get_unused_block(chip, zone_no);
890			if (phy_blk == BLK_NOT_FOUND) {
891				RTS51X_DEBUGP("No unused block available!\n");
892				TRACE_RET(chip, BLK_NOT_FOUND);
893			}
894
895			retval =
896			    xd_init_page(chip, phy_blk, log_off, 0,
897					 xd_card->page_off + 1);
898			if (retval == STATUS_SUCCESS)
899				break;
900		}
901		if (i >= zone->unused_blk_cnt) {
902			RTS51X_DEBUGP("No good unused block available!\n");
903			TRACE_RET(chip, BLK_NOT_FOUND);
904		}
905
906		xd_set_l2p_tbl(chip, zone_no, log_off, (u16) (phy_blk & 0x3FF));
907		return phy_blk;
908	}
909
910	return (u32) zone->l2p_table[log_off] + ((u32) (zone_no) << 10);
911}
912
913int reset_xd_card(struct rts51x_chip *chip)
914{
915	struct xd_info *xd_card = &(chip->xd_card);
916	int retval;
917
918	memset(xd_card, 0, sizeof(struct xd_info));
919
920	xd_card->block_shift = 0;
921	xd_card->page_off = 0;
922	xd_card->addr_cycle = 0;
923	xd_card->capacity = 0;
924	xd_card->zone_cnt = 0;
925	xd_card->cis_block = 0xFFFF;
926	xd_card->delay_write.delay_write_flag = 0;
927
928	enable_card_clock(chip, XD_CARD);
929
930	retval = reset_xd(chip);
931	if (retval != STATUS_SUCCESS) {
932		if (chip->option.reset_or_rw_fail_set_pad_drive) {
933			rts51x_write_register(chip, CARD_DRIVE_SEL,
934					      SD20_DRIVE_MASK, DRIVE_8mA);
935		}
936		TRACE_RET(chip, retval);
937	}
938
939	retval = xd_init_l2p_tbl(chip);
940	if (retval != STATUS_SUCCESS)
941		TRACE_RET(chip, retval);
942
943	return STATUS_SUCCESS;
944}
945
946static int xd_mark_bad_block(struct rts51x_chip *chip, u32 phy_blk)
947{
948	struct xd_info *xd_card = &(chip->xd_card);
949	int retval;
950	u32 page_addr;
951	u8 reg = 0;
952
953	RTS51X_DEBUGP("mark block 0x%x as bad block\n", phy_blk);
954
955	if (phy_blk == BLK_NOT_FOUND)
956		TRACE_RET(chip, STATUS_FAIL);
957
958	rts51x_init_cmd(chip);
959
960	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG);
961	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF,
962		       XD_LATER_BBLK);
963	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF, 0xFF);
964	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, 0xFF);
965	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_H, 0xFF, 0xFF);
966	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_L, 0xFF, 0xFF);
967	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED0, 0xFF, 0xFF);
968	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED1, 0xFF, 0xFF);
969	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED2, 0xFF, 0xFF);
970	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED3, 0xFF, 0xFF);
971
972	page_addr = phy_blk << xd_card->block_shift;
973
974	xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
975
976	/* Specify page count */
977	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF,
978		       xd_card->page_off + 1);
979
980	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
981		       XD_TRANSFER_START | XD_WRITE_REDUNDANT);
982	rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
983		       XD_TRANSFER_END);
984
985	retval = rts51x_send_cmd(chip, MODE_CR, 100);
986	if (retval != STATUS_SUCCESS)
987		TRACE_RET(chip, STATUS_FAIL);
988
989	retval = rts51x_get_rsp(chip, 1, 100);
990
991	if (retval != STATUS_SUCCESS) {
992		rts51x_clear_xd_error(chip);
993		rts51x_ep0_read_register(chip, XD_DAT, &reg);
994		if (reg & PROGRAM_ERROR)
995			xd_set_err_code(chip, XD_PRG_ERROR);
996		else
997			xd_set_err_code(chip, XD_TO_ERROR);
998		TRACE_RET(chip, STATUS_FAIL);
999	}
1000
1001	return STATUS_SUCCESS;
1002}
1003
1004static int xd_init_page(struct rts51x_chip *chip, u32 phy_blk, u16 logoff,
1005			u8 start_page, u8 end_page)
1006{
1007	struct xd_info *xd_card = &(chip->xd_card);
1008	int retval;
1009	u32 page_addr;
1010	u8 reg = 0;
1011
1012	RTS51X_DEBUGP("Init block 0x%x\n", phy_blk);
1013
1014	if (start_page > end_page)
1015		TRACE_RET(chip, STATUS_FAIL);
1016	if (phy_blk == BLK_NOT_FOUND)
1017		TRACE_RET(chip, STATUS_FAIL);
1018
1019	rts51x_init_cmd(chip);
1020
1021	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, 0xFF);
1022	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, 0xFF);
1023	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF,
1024		       (u8) (logoff >> 8));
1025	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF,
1026		       (u8) logoff);
1027
1028	page_addr = (phy_blk << xd_card->block_shift) + start_page;
1029
1030	xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1031
1032	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_BA_TRANSFORM,
1033		       XD_BA_TRANSFORM);
1034
1035	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF,
1036		       (end_page - start_page));
1037
1038	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1039		       XD_TRANSFER_START | XD_WRITE_REDUNDANT);
1040	rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
1041		       XD_TRANSFER_END);
1042
1043	retval = rts51x_send_cmd(chip, MODE_CR, 100);
1044	if (retval != STATUS_SUCCESS)
1045		TRACE_RET(chip, STATUS_FAIL);
1046
1047	retval = rts51x_get_rsp(chip, 1, 500);
1048
1049	if (retval != STATUS_SUCCESS) {
1050		rts51x_clear_xd_error(chip);
1051		rts51x_ep0_read_register(chip, XD_DAT, &reg);
1052		if (reg & PROGRAM_ERROR) {
1053			xd_mark_bad_block(chip, phy_blk);
1054			xd_set_err_code(chip, XD_PRG_ERROR);
1055		} else {
1056			xd_set_err_code(chip, XD_TO_ERROR);
1057		}
1058		TRACE_RET(chip, STATUS_FAIL);
1059	}
1060
1061	return STATUS_SUCCESS;
1062}
1063
1064static int xd_copy_page(struct rts51x_chip *chip,
1065			u32 old_blk, u32 new_blk, u8 start_page, u8 end_page)
1066{
1067	struct xd_info *xd_card = &(chip->xd_card);
1068	u32 old_page, new_page;
1069	u8 i, reg = 0;
1070	int retval;
1071
1072	RTS51X_DEBUGP("Copy page from block 0x%x to block 0x%x\n", old_blk,
1073		       new_blk);
1074
1075	if (start_page > end_page)
1076		TRACE_RET(chip, STATUS_FAIL);
1077
1078	if ((old_blk == BLK_NOT_FOUND) || (new_blk == BLK_NOT_FOUND))
1079		TRACE_RET(chip, STATUS_FAIL);
1080
1081	old_page = (old_blk << xd_card->block_shift) + start_page;
1082	new_page = (new_blk << xd_card->block_shift) + start_page;
1083
1084	XD_CLR_BAD_NEWBLK(xd_card);
1085
1086	RTS51X_WRITE_REG(chip, CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER);
1087
1088	for (i = start_page; i < end_page; i++) {
1089		if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST) {
1090			RTS51X_WRITE_REG(chip, CARD_STOP, XD_STOP | XD_CLR_ERR,
1091					 XD_STOP | XD_CLR_ERR);
1092			xd_set_err_code(chip, XD_NO_CARD);
1093			TRACE_RET(chip, STATUS_FAIL);
1094		}
1095
1096		rts51x_init_cmd(chip);
1097
1098		xd_assign_phy_addr(chip, old_page, XD_RW_ADDR);
1099
1100		/* Single page read */
1101		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
1102		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
1103			       XD_AUTO_CHK_DATA_STATUS, 0);
1104		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1105			       XD_TRANSFER_START | XD_READ_PAGES);
1106		rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1107			       XD_TRANSFER_END, XD_TRANSFER_END);
1108
1109		retval = rts51x_send_cmd(chip, MODE_CR | STAGE_XD_STATUS, 100);
1110		if (retval != STATUS_SUCCESS)
1111			TRACE_RET(chip, retval);
1112
1113		retval = rts51x_get_rsp(chip, 4, 500);
1114		if ((retval != STATUS_SUCCESS) ||
1115		    (chip->rsp_buf[2] & (XD_ECC1_ERROR | XD_ECC2_ERROR))) {
1116			rts51x_clear_xd_error(chip);
1117			reg = 0;
1118			rts51x_ep0_read_register(chip, XD_CTL, &reg);
1119			if (reg & (XD_ECC1_ERROR | XD_ECC2_ERROR)) {
1120				wait_timeout(100);
1121
1122				if (monitor_card_cd(chip, XD_CARD) ==
1123				    CD_NOT_EXIST) {
1124					xd_set_err_code(chip, XD_NO_CARD);
1125					TRACE_RET(chip, STATUS_FAIL);
1126				}
1127
1128				if (((reg &
1129				      (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1130				     == (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1131				    || ((reg & (XD_ECC2_ERROR |
1132					XD_ECC2_UNCORRECTABLE)) ==
1133				     (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))) {
1134					RTS51X_WRITE_REG(chip, XD_PAGE_STATUS,
1135							 0xFF, XD_BPG);
1136					RTS51X_WRITE_REG(chip, XD_BLOCK_STATUS,
1137							 0xFF, XD_GBLK);
1138					XD_SET_BAD_OLDBLK(xd_card);
1139					RTS51X_DEBUGP("old block 0x%x"
1140						"ecc error\n", old_blk);
1141				}
1142			} else {
1143				xd_set_err_code(chip, XD_TO_ERROR);
1144				TRACE_RET(chip, STATUS_FAIL);
1145			}
1146		}
1147		if (XD_CHK_BAD_OLDBLK(xd_card))
1148			rts51x_clear_xd_error(chip);
1149
1150		rts51x_init_cmd(chip);
1151
1152		xd_assign_phy_addr(chip, new_page, XD_RW_ADDR);
1153		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
1154		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1155			       XD_TRANSFER_START | XD_WRITE_PAGES);
1156		rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1157			       XD_TRANSFER_END, XD_TRANSFER_END);
1158
1159		retval = rts51x_send_cmd(chip, MODE_CR, 100);
1160		if (retval != STATUS_SUCCESS)
1161			TRACE_RET(chip, retval);
1162
1163		retval = rts51x_get_rsp(chip, 1, 300);
1164		if (retval != STATUS_SUCCESS) {
1165			rts51x_clear_xd_error(chip);
1166			reg = 0;
1167			rts51x_ep0_read_register(chip, XD_DAT, &reg);
1168			if (reg & PROGRAM_ERROR) {
1169				xd_mark_bad_block(chip, new_blk);
1170				xd_set_err_code(chip, XD_PRG_ERROR);
1171				XD_SET_BAD_NEWBLK(xd_card);
1172			} else {
1173				xd_set_err_code(chip, XD_TO_ERROR);
1174			}
1175			TRACE_RET(chip, retval);
1176		}
1177
1178		old_page++;
1179		new_page++;
1180	}
1181
1182	return STATUS_SUCCESS;
1183}
1184
1185#ifdef XD_SPEEDUP
1186static int xd_auto_copy_page(struct rts51x_chip *chip,
1187			     u32 old_blk, u32 new_blk,
1188			     u8 start_page, u8 end_page)
1189{
1190	struct xd_info *xd_card = &(chip->xd_card);
1191	u32 old_page, new_page;
1192	int retval;
1193	u8 page_count;
1194
1195	RTS51X_DEBUGP("Auto copy page from block 0x%x to block 0x%x\n",
1196		       old_blk, new_blk);
1197
1198	if (start_page > end_page)
1199		TRACE_RET(chip, STATUS_FAIL);
1200
1201	page_count = end_page - start_page;
1202
1203	if ((old_blk == BLK_NOT_FOUND) || (new_blk == BLK_NOT_FOUND))
1204		TRACE_RET(chip, STATUS_FAIL);
1205
1206	old_page = (old_blk << xd_card->block_shift) + start_page;
1207	new_page = (new_blk << xd_card->block_shift) + start_page;
1208
1209	XD_CLR_BAD_NEWBLK(xd_card);
1210
1211	rts51x_init_cmd(chip);
1212
1213	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WAITTIME, 0x03, WAIT_FF);
1214	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_PAGELEN, 0xFF, page_count);
1215
1216	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR0, 0xFF, 0);
1217	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR1, 0xFF,
1218		       (u8) old_page);
1219	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR2, 0xFF,
1220		       (u8) (old_page >> 8));
1221	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR3, 0xFF,
1222		       (u8) (old_page >> 16));
1223	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR4, 0xFF, 0);
1224
1225	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR0, 0xFF, 0);
1226	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR1, 0xFF,
1227		       (u8) new_page);
1228	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR2, 0xFF,
1229		       (u8) (new_page >> 8));
1230	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR3, 0xFF,
1231		       (u8) (new_page >> 16));
1232	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR4, 0xFF, 0);
1233
1234	rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
1235		       PINGPONG_BUFFER);
1236
1237	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG,
1238		       XD_BA_TRANSFORM | XD_ADDR_MASK, 0 | xd_card->addr_cycle);
1239
1240	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
1241		       XD_AUTO_CHK_DATA_STATUS, 0);
1242	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1243		       XD_TRANSFER_START | XD_COPY_PAGES);
1244	rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
1245		       XD_TRANSFER_END);
1246
1247	retval = rts51x_send_cmd(chip, MODE_CR, 100);
1248	if (retval != STATUS_SUCCESS) {
1249		rts51x_clear_xd_error(chip);
1250		TRACE_GOTO(chip, Copy_Fail);
1251	}
1252
1253	retval = rts51x_get_rsp(chip, 1, 800);
1254	if (retval != STATUS_SUCCESS) {
1255		rts51x_clear_xd_error(chip);
1256		TRACE_GOTO(chip, Copy_Fail);
1257	}
1258
1259	return STATUS_SUCCESS;
1260
1261Copy_Fail:
1262	retval = xd_copy_page(chip, old_blk, new_blk, start_page, end_page);
1263	if (retval != STATUS_SUCCESS)
1264		TRACE_RET(chip, retval);
1265
1266	return STATUS_SUCCESS;
1267}
1268#endif
1269
1270static int xd_reset_cmd(struct rts51x_chip *chip)
1271{
1272	int retval;
1273	u8 xd_dat, xd_ctl;
1274
1275	rts51x_init_cmd(chip);
1276
1277	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1278		       XD_TRANSFER_START | XD_RESET);
1279	rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
1280		       XD_TRANSFER_END);
1281	rts51x_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
1282	rts51x_add_cmd(chip, READ_REG_CMD, XD_CTL, 0, 0);
1283
1284	retval = rts51x_send_cmd(chip, MODE_CR, 100);
1285	if (retval != STATUS_SUCCESS)
1286		TRACE_RET(chip, retval);
1287
1288	retval = rts51x_get_rsp(chip, 3, 100);
1289	if (retval != STATUS_SUCCESS) {
1290		rts51x_clear_xd_error(chip);
1291		TRACE_RET(chip, retval);
1292	}
1293
1294	xd_dat = chip->rsp_buf[1];
1295	xd_ctl = chip->rsp_buf[2];
1296	if (((xd_dat & READY_FLAG) == READY_STATE) && (xd_ctl & XD_RDY))
1297		return STATUS_SUCCESS;
1298
1299	TRACE_RET(chip, STATUS_FAIL);
1300}
1301
1302static int xd_erase_block(struct rts51x_chip *chip, u32 phy_blk)
1303{
1304	struct xd_info *xd_card = &(chip->xd_card);
1305	u32 page_addr;
1306	u8 reg = 0, xd_dat;
1307	int i, retval;
1308
1309	if (phy_blk == BLK_NOT_FOUND)
1310		TRACE_RET(chip, STATUS_FAIL);
1311
1312	page_addr = phy_blk << xd_card->block_shift;
1313
1314	for (i = 0; i < 3; i++) {
1315		rts51x_init_cmd(chip);
1316
1317		xd_assign_phy_addr(chip, page_addr, XD_ERASE_ADDR);
1318
1319		rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1320			       XD_TRANSFER_START | XD_ERASE);
1321		rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1322			       XD_TRANSFER_END, XD_TRANSFER_END);
1323		rts51x_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
1324
1325		retval = rts51x_send_cmd(chip, MODE_CR, 100);
1326		if (retval != STATUS_SUCCESS)
1327			TRACE_RET(chip, retval);
1328
1329		retval = rts51x_get_rsp(chip, 2, 300);
1330		if (retval != STATUS_SUCCESS) {
1331			rts51x_clear_xd_error(chip);
1332			rts51x_ep0_read_register(chip, XD_DAT, &reg);
1333			if (reg & PROGRAM_ERROR) {
1334				xd_mark_bad_block(chip, phy_blk);
1335				xd_set_err_code(chip, XD_PRG_ERROR);
1336				TRACE_RET(chip, STATUS_FAIL);
1337			} else {
1338				xd_set_err_code(chip, XD_ERASE_FAIL);
1339			}
1340			retval = xd_reset_cmd(chip);
1341			if (retval != STATUS_SUCCESS)
1342				TRACE_RET(chip, retval);
1343			continue;
1344		}
1345		xd_dat = chip->rsp_buf[1];
1346		if (xd_dat & PROGRAM_ERROR) {
1347			xd_mark_bad_block(chip, phy_blk);
1348			xd_set_err_code(chip, XD_PRG_ERROR);
1349			TRACE_RET(chip, STATUS_FAIL);
1350		}
1351
1352		return STATUS_SUCCESS;
1353	}
1354
1355	xd_mark_bad_block(chip, phy_blk);
1356	xd_set_err_code(chip, XD_ERASE_FAIL);
1357	TRACE_RET(chip, STATUS_FAIL);
1358}
1359
1360static int xd_build_l2p_tbl(struct rts51x_chip *chip, int zone_no)
1361{
1362	struct xd_info *xd_card = &(chip->xd_card);
1363	struct zone_entry *zone;
1364	int retval;
1365	u32 start, end, i;
1366	u16 max_logoff, cur_fst_page_logoff, cur_lst_page_logoff,
1367	    ent_lst_page_logoff;
1368	u8 redunt[11];
1369
1370	RTS51X_DEBUGP("xd_build_l2p_tbl: %d\n", zone_no);
1371
1372	if (xd_card->zone == NULL) {
1373		retval = xd_init_l2p_tbl(chip);
1374		if (retval != STATUS_SUCCESS)
1375			TRACE_RET(chip, retval);
1376	}
1377
1378	if (xd_card->zone[zone_no].build_flag) {
1379		RTS51X_DEBUGP("l2p table of zone %d has been built\n",
1380			       zone_no);
1381		return STATUS_SUCCESS;
1382	}
1383
1384	zone = &(xd_card->zone[zone_no]);
1385
1386	if (zone->l2p_table == NULL) {
1387		zone->l2p_table = vmalloc(2000);
1388		if (zone->l2p_table == NULL)
1389			TRACE_GOTO(chip, Build_Fail);
1390	}
1391	memset((u8 *) (zone->l2p_table), 0xff, 2000);
1392
1393	if (zone->free_table == NULL) {
1394		zone->free_table = vmalloc(XD_FREE_TABLE_CNT * 2);
1395		if (zone->free_table == NULL)
1396			TRACE_GOTO(chip, Build_Fail);
1397	}
1398	memset((u8 *) (zone->free_table), 0xff, XD_FREE_TABLE_CNT * 2);
1399
1400	if (zone_no == 0) {
1401		if (xd_card->cis_block == 0xFFFF)
1402			start = 0;
1403		else
1404			start = xd_card->cis_block + 1;
1405		if (XD_CHK_4MB(xd_card)) {
1406			end = 0x200;
1407			max_logoff = 499;
1408		} else {
1409			end = 0x400;
1410			max_logoff = 999;
1411		}
1412	} else {
1413		start = (u32) (zone_no) << 10;
1414		end = (u32) (zone_no + 1) << 10;
1415		max_logoff = 999;
1416	}
1417
1418	RTS51X_DEBUGP("start block 0x%x, end block 0x%x\n", start, end);
1419
1420	zone->set_index = zone->get_index = 0;
1421	zone->unused_blk_cnt = 0;
1422
1423	for (i = start; i < end; i++) {
1424		u32 page_addr = i << xd_card->block_shift;
1425		u32 phy_block;
1426
1427		retval = xd_read_redundant(chip, page_addr, redunt, 11);
1428		if (retval != STATUS_SUCCESS)
1429			continue;
1430
1431		if (redunt[BLOCK_STATUS] != 0xFF) {
1432			RTS51X_DEBUGP("bad block\n");
1433			continue;
1434		}
1435
1436		if (xd_check_data_blank(redunt)) {
1437			RTS51X_DEBUGP("blank block\n");
1438			xd_set_unused_block(chip, i);
1439			continue;
1440		}
1441
1442		cur_fst_page_logoff = xd_load_log_block_addr(redunt);
1443		if ((cur_fst_page_logoff == 0xFFFF)
1444		    || (cur_fst_page_logoff > max_logoff)) {
1445			retval = xd_erase_block(chip, i);
1446			if (retval == STATUS_SUCCESS)
1447				xd_set_unused_block(chip, i);
1448			continue;
1449		}
1450		if ((zone_no == 0) && (cur_fst_page_logoff == 0)
1451		    && (redunt[PAGE_STATUS] != XD_GPG))
1452			XD_SET_MBR_FAIL(xd_card);
1453
1454		if (zone->l2p_table[cur_fst_page_logoff] == 0xFFFF) {
1455			zone->l2p_table[cur_fst_page_logoff] =
1456			    (u16) (i & 0x3FF);
1457			continue;
1458		}
1459
1460		phy_block =
1461		    zone->l2p_table[cur_fst_page_logoff] +
1462		    ((u32) ((zone_no) << 10));
1463
1464		page_addr = ((i + 1) << xd_card->block_shift) - 1;
1465
1466		retval = xd_read_redundant(chip, page_addr, redunt, 11);
1467		if (retval != STATUS_SUCCESS)
1468			continue;
1469
1470		cur_lst_page_logoff = xd_load_log_block_addr(redunt);
1471		if (cur_lst_page_logoff == cur_fst_page_logoff) {
1472			int m;
1473
1474			page_addr =
1475			    ((phy_block + 1) << xd_card->block_shift) - 1;
1476
1477			for (m = 0; m < 3; m++) {
1478				retval =
1479				    xd_read_redundant(chip, page_addr, redunt,
1480						      11);
1481				if (retval == STATUS_SUCCESS)
1482					break;
1483			}
1484
1485			if (m == 3) {
1486				zone->l2p_table[cur_fst_page_logoff] =
1487				    (u16) (i & 0x3FF);
1488				retval = xd_erase_block(chip, phy_block);
1489				if (retval == STATUS_SUCCESS)
1490					xd_set_unused_block(chip, phy_block);
1491				continue;
1492			}
1493
1494			ent_lst_page_logoff = xd_load_log_block_addr(redunt);
1495			if (ent_lst_page_logoff != cur_fst_page_logoff) {
1496				zone->l2p_table[cur_fst_page_logoff] =
1497				    (u16) (i & 0x3FF);
1498				retval = xd_erase_block(chip, phy_block);
1499				if (retval == STATUS_SUCCESS)
1500					xd_set_unused_block(chip, phy_block);
1501				continue;
1502			} else {
1503				retval = xd_erase_block(chip, i);
1504				if (retval == STATUS_SUCCESS)
1505					xd_set_unused_block(chip, i);
1506			}
1507		} else {
1508			retval = xd_erase_block(chip, i);
1509			if (retval == STATUS_SUCCESS)
1510				xd_set_unused_block(chip, i);
1511		}
1512	}
1513
1514	if (XD_CHK_4MB(xd_card))
1515		end = 500;
1516	else
1517		end = 1000;
1518
1519	i = 0;
1520	for (start = 0; start < end; start++) {
1521		if (zone->l2p_table[start] == 0xFFFF)
1522			i++;
1523	}
1524
1525	RTS51X_DEBUGP("Block count %d, invalid L2P entry %d\n", end, i);
1526	RTS51X_DEBUGP("Total unused block: %d\n", zone->unused_blk_cnt);
1527
1528	if ((zone->unused_blk_cnt - i) < 1)
1529		chip->card_wp |= XD_CARD;
1530
1531	zone->build_flag = 1;
1532
1533	return STATUS_SUCCESS;
1534
1535Build_Fail:
1536	if (zone->l2p_table) {
1537		vfree(zone->l2p_table);
1538		zone->l2p_table = NULL;
1539	}
1540	if (zone->free_table) {
1541		vfree(zone->free_table);
1542		zone->free_table = NULL;
1543	}
1544
1545	return STATUS_FAIL;
1546}
1547
1548static int xd_send_cmd(struct rts51x_chip *chip, u8 cmd)
1549{
1550	int retval;
1551
1552	rts51x_init_cmd(chip);
1553
1554	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, cmd);
1555	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1556		       XD_TRANSFER_START | XD_SET_CMD);
1557	rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
1558		       XD_TRANSFER_END);
1559
1560	retval = rts51x_send_cmd(chip, MODE_CR, 100);
1561	if (retval != STATUS_SUCCESS)
1562		TRACE_RET(chip, retval);
1563
1564	retval = rts51x_get_rsp(chip, 1, 200);
1565	if (retval != STATUS_SUCCESS) {
1566		rts51x_clear_xd_error(chip);
1567		TRACE_RET(chip, retval);
1568	}
1569
1570	return STATUS_SUCCESS;
1571}
1572
1573static int xd_read_multiple_pages(struct rts51x_chip *chip, u32 phy_blk,
1574				  u32 log_blk, u8 start_page, u8 end_page,
1575				  u8 *buf, void **ptr, unsigned int *offset)
1576{
1577	struct xd_info *xd_card = &(chip->xd_card);
1578	u32 page_addr, new_blk;
1579	u16 log_off;
1580	u8 reg_val, page_cnt;
1581	int zone_no, retval, i;
1582
1583	if (start_page > end_page)
1584		TRACE_RET(chip, STATUS_FAIL);
1585
1586	page_cnt = end_page - start_page;
1587	zone_no = (int)(log_blk / 1000);
1588	log_off = (u16) (log_blk % 1000);
1589
1590	if ((phy_blk & 0x3FF) == 0x3FF) {
1591		for (i = 0; i < 256; i++) {
1592			page_addr = ((u32) i) << xd_card->block_shift;
1593
1594			retval = xd_read_redundant(chip, page_addr, NULL, 0);
1595			if (retval == STATUS_SUCCESS)
1596				break;
1597
1598			if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST) {
1599				xd_set_err_code(chip, XD_NO_CARD);
1600				TRACE_RET(chip, STATUS_FAIL);
1601			}
1602		}
1603	}
1604
1605	page_addr = (phy_blk << xd_card->block_shift) + start_page;
1606
1607	rts51x_init_cmd(chip);
1608
1609	xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1610
1611	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_PPB_TO_SIE,
1612		       XD_PPB_TO_SIE);
1613	rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
1614		       RING_BUFFER);
1615	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt);
1616	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
1617		       XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS);
1618
1619	trans_dma_enable(chip->srb->sc_data_direction, chip, page_cnt * 512,
1620			 DMA_512);
1621
1622	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1623		       XD_TRANSFER_START | XD_READ_PAGES);
1624	rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1625		       XD_TRANSFER_END | XD_PPB_EMPTY,
1626		       XD_TRANSFER_END | XD_PPB_EMPTY);
1627
1628	retval = rts51x_send_cmd(chip, MODE_CDIR, 100);
1629	if (retval != STATUS_SUCCESS)
1630		TRACE_RET(chip, retval);
1631
1632	retval =
1633	    rts51x_transfer_data_partial(chip, RCV_BULK_PIPE(chip), (void *)buf,
1634					 ptr, offset, page_cnt * 512,
1635					 scsi_sg_count(chip->srb), NULL, 2000);
1636	if (retval != STATUS_SUCCESS) {
1637		rts51x_clear_xd_error(chip);
1638
1639		if (retval == STATUS_TIMEDOUT) {
1640			xd_set_err_code(chip, XD_TO_ERROR);
1641			TRACE_RET(chip, retval);
1642		} else {
1643			TRACE_GOTO(chip, Fail);
1644		}
1645	}
1646	retval = rts51x_get_rsp(chip, 1, 200);
1647	if (retval != STATUS_SUCCESS) {
1648		rts51x_clear_xd_error(chip);
1649
1650		if (retval == STATUS_TIMEDOUT) {
1651			xd_set_err_code(chip, XD_TO_ERROR);
1652			TRACE_RET(chip, retval);
1653		} else {
1654			TRACE_GOTO(chip, Fail);
1655		}
1656	}
1657
1658	return STATUS_SUCCESS;
1659
1660Fail:
1661	rts51x_ep0_read_register(chip, XD_PAGE_STATUS, &reg_val);
1662	RTS51X_DEBUGP("XD_PAGE_STATUS: 0x%x\n", reg_val);
1663
1664	if (reg_val != XD_GPG)
1665		xd_set_err_code(chip, XD_PRG_ERROR);
1666
1667	rts51x_ep0_read_register(chip, XD_CTL, &reg_val);
1668	RTS51X_DEBUGP("XD_CTL: 0x%x\n", reg_val);
1669
1670	/* Handle uncorrectable ECC error */
1671	if (((reg_val & (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1672	     == (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1673	    || ((reg_val & (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))
1674		== (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))) {
1675		wait_timeout(100);
1676
1677		if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST) {
1678			xd_set_err_code(chip, XD_NO_CARD);
1679			TRACE_RET(chip, STATUS_FAIL);
1680		}
1681
1682		xd_set_err_code(chip, XD_ECC_ERROR);
1683
1684		new_blk = xd_get_unused_block(chip, zone_no);
1685		if (new_blk == NO_NEW_BLK) {
1686			XD_CLR_BAD_OLDBLK(xd_card);
1687			TRACE_RET(chip, STATUS_FAIL);
1688		}
1689#ifdef XD_SPEEDUP
1690		retval =
1691		    xd_auto_copy_page(chip, phy_blk, new_blk, 0,
1692				      xd_card->page_off + 1);
1693#else
1694		retval =
1695		    xd_copy_page(chip, phy_blk, new_blk, 0,
1696				 xd_card->page_off + 1);
1697#endif
1698		if (retval != STATUS_SUCCESS) {
1699			if (!XD_CHK_BAD_NEWBLK(xd_card)) {
1700				retval = xd_erase_block(chip, new_blk);
1701				if (retval == STATUS_SUCCESS)
1702					xd_set_unused_block(chip, new_blk);
1703			} else {
1704				XD_CLR_BAD_NEWBLK(xd_card);
1705			}
1706			XD_CLR_BAD_OLDBLK(xd_card);
1707			TRACE_RET(chip, STATUS_FAIL);
1708		}
1709		xd_set_l2p_tbl(chip, zone_no, log_off, (u16) (new_blk & 0x3FF));
1710		xd_erase_block(chip, phy_blk);
1711		xd_mark_bad_block(chip, phy_blk);
1712		XD_CLR_BAD_OLDBLK(xd_card);
1713	}
1714
1715	TRACE_RET(chip, STATUS_FAIL);
1716}
1717
1718static int xd_finish_write(struct rts51x_chip *chip,
1719			   u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off)
1720{
1721	struct xd_info *xd_card = &(chip->xd_card);
1722	int retval, zone_no;
1723	u16 log_off;
1724
1725	RTS51X_DEBUGP("xd_finish_write, old_blk = 0x%x, new_blk = 0x%x,"
1726				"log_blk = 0x%x\n", old_blk, new_blk, log_blk);
1727
1728	if (page_off > xd_card->page_off)
1729		TRACE_RET(chip, STATUS_FAIL);
1730
1731	zone_no = (int)(log_blk / 1000);
1732	log_off = (u16) (log_blk % 1000);
1733
1734	if (old_blk == BLK_NOT_FOUND) {
1735		retval = xd_init_page(chip, new_blk, log_off,
1736				      page_off, xd_card->page_off + 1);
1737		if (retval != STATUS_SUCCESS) {
1738			retval = xd_erase_block(chip, new_blk);
1739			if (retval == STATUS_SUCCESS)
1740				xd_set_unused_block(chip, new_blk);
1741			TRACE_RET(chip, STATUS_FAIL);
1742		}
1743	} else {
1744#ifdef XD_SPEEDUP
1745		retval = xd_auto_copy_page(chip, old_blk, new_blk,
1746					   page_off, xd_card->page_off + 1);
1747#else
1748		retval = xd_copy_page(chip, old_blk, new_blk,
1749				      page_off, xd_card->page_off + 1);
1750#endif
1751		if (retval != STATUS_SUCCESS) {
1752			if (!XD_CHK_BAD_NEWBLK(xd_card)) {
1753				retval = xd_erase_block(chip, new_blk);
1754				if (retval == STATUS_SUCCESS)
1755					xd_set_unused_block(chip, new_blk);
1756			}
1757			XD_CLR_BAD_NEWBLK(xd_card);
1758			TRACE_RET(chip, STATUS_FAIL);
1759		}
1760
1761		retval = xd_erase_block(chip, old_blk);
1762		if (retval == STATUS_SUCCESS) {
1763			if (XD_CHK_BAD_OLDBLK(xd_card)) {
1764				xd_mark_bad_block(chip, old_blk);
1765				XD_CLR_BAD_OLDBLK(xd_card);
1766			} else {
1767				/* Add source block to unused block */
1768				xd_set_unused_block(chip, old_blk);
1769			}
1770		} else {
1771			xd_set_err_code(chip, XD_NO_ERROR);
1772			XD_CLR_BAD_OLDBLK(xd_card);
1773		}
1774	}
1775
1776	/* Add target block to L2P table */
1777	xd_set_l2p_tbl(chip, zone_no, log_off, (u16) (new_blk & 0x3FF));
1778
1779	return STATUS_SUCCESS;
1780}
1781
1782static int xd_prepare_write(struct rts51x_chip *chip,
1783			    u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off)
1784{
1785	int retval;
1786
1787	RTS51X_DEBUGP("xd_prepare_write, old_blk = 0x%x, new_blk = 0x%x,"
1788				"log_blk = 0x%x, page_off = %d\n",
1789				old_blk, new_blk, log_blk, (int)page_off);
1790
1791	if (page_off) {
1792#ifdef XD_SPEEDUP
1793		retval = xd_auto_copy_page(chip, old_blk, new_blk, 0, page_off);
1794#else
1795		retval = xd_copy_page(chip, old_blk, new_blk, 0, page_off);
1796#endif
1797		if (retval != STATUS_SUCCESS)
1798			TRACE_RET(chip, retval);
1799	}
1800
1801	return STATUS_SUCCESS;
1802}
1803
1804static int xd_write_multiple_pages(struct rts51x_chip *chip, u32 old_blk,
1805				   u32 new_blk, u32 log_blk, u8 start_page,
1806				   u8 end_page, u8 *buf, void **ptr,
1807				   unsigned int *offset)
1808{
1809	struct xd_info *xd_card = &(chip->xd_card);
1810	u32 page_addr;
1811	int zone_no, retval;
1812	u16 log_off;
1813	u8 page_cnt, reg_val;
1814
1815	RTS51X_DEBUGP("xd_write_multiple_pages, old_blk = 0x%x,"
1816				"new_blk = 0x%x, log_blk = 0x%x\n",
1817				old_blk, new_blk, log_blk);
1818
1819	if (start_page > end_page)
1820		TRACE_RET(chip, STATUS_FAIL);
1821
1822	page_cnt = end_page - start_page;
1823	zone_no = (int)(log_blk / 1000);
1824	log_off = (u16) (log_blk % 1000);
1825
1826	page_addr = (new_blk << xd_card->block_shift) + start_page;
1827
1828	/* Send index command */
1829	retval = xd_send_cmd(chip, READ1_1);
1830	if (retval != STATUS_SUCCESS)
1831		TRACE_RET(chip, retval);
1832
1833	rts51x_init_cmd(chip);
1834
1835	/* Prepare redundant field */
1836	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF,
1837		       (u8) (log_off >> 8));
1838	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF,
1839		       (u8) log_off);
1840	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, XD_GBLK);
1841	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG);
1842
1843	xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1844
1845	/* Transform the block address by hardware */
1846	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_BA_TRANSFORM,
1847		       XD_BA_TRANSFORM);
1848
1849	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt);
1850	rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
1851		       RING_BUFFER);
1852
1853	trans_dma_enable(chip->srb->sc_data_direction, chip, page_cnt * 512,
1854			 DMA_512);
1855
1856	rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1857		       XD_TRANSFER_START | XD_WRITE_PAGES);
1858	rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
1859		       XD_TRANSFER_END);
1860
1861	retval = rts51x_send_cmd(chip, MODE_CDOR, 100);
1862	if (retval != STATUS_SUCCESS)
1863		TRACE_RET(chip, retval);
1864
1865	retval =
1866	    rts51x_transfer_data_partial(chip, SND_BULK_PIPE(chip), (void *)buf,
1867					 ptr, offset, page_cnt * 512,
1868					 scsi_sg_count(chip->srb), NULL, 2000);
1869	if (retval != STATUS_SUCCESS) {
1870		rts51x_clear_xd_error(chip);
1871
1872		if (retval == STATUS_TIMEDOUT) {
1873			xd_set_err_code(chip, XD_TO_ERROR);
1874			TRACE_RET(chip, retval);
1875		} else {
1876			TRACE_GOTO(chip, Fail);
1877		}
1878	}
1879	retval = rts51x_get_rsp(chip, 1, 200);
1880	if (retval != STATUS_SUCCESS) {
1881		rts51x_clear_xd_error(chip);
1882
1883		if (retval == STATUS_TIMEDOUT) {
1884			xd_set_err_code(chip, XD_TO_ERROR);
1885			TRACE_RET(chip, retval);
1886		} else {
1887			TRACE_GOTO(chip, Fail);
1888		}
1889	}
1890
1891	if (end_page == (xd_card->page_off + 1)) {
1892		xd_card->delay_write.delay_write_flag = 0;
1893
1894		if (old_blk != BLK_NOT_FOUND) {
1895			retval = xd_erase_block(chip, old_blk);
1896			if (retval == STATUS_SUCCESS) {
1897				if (XD_CHK_BAD_OLDBLK(xd_card)) {
1898					xd_mark_bad_block(chip, old_blk);
1899					XD_CLR_BAD_OLDBLK(xd_card);
1900				} else {
1901					xd_set_unused_block(chip, old_blk);
1902				}
1903			} else {
1904				xd_set_err_code(chip, XD_NO_ERROR);
1905				XD_CLR_BAD_OLDBLK(xd_card);
1906			}
1907		}
1908		xd_set_l2p_tbl(chip, zone_no, log_off, (u16) (new_blk & 0x3FF));
1909	}
1910
1911	return STATUS_SUCCESS;
1912
1913Fail:
1914	rts51x_ep0_read_register(chip, XD_DAT, &reg_val);
1915	RTS51X_DEBUGP("XD_DAT: 0x%x\n", reg_val);
1916
1917	if (reg_val & PROGRAM_ERROR) {
1918		xd_set_err_code(chip, XD_PRG_ERROR);
1919		xd_mark_bad_block(chip, new_blk);
1920	}
1921
1922	TRACE_RET(chip, STATUS_FAIL);
1923}
1924
1925int xd_delay_write(struct rts51x_chip *chip)
1926{
1927	struct xd_info *xd_card = &(chip->xd_card);
1928	struct xd_delay_write_tag *delay_write = &(xd_card->delay_write);
1929	int retval;
1930
1931	if (delay_write->delay_write_flag) {
1932		RTS51X_DEBUGP("xd_delay_write\n");
1933		retval = xd_switch_clock(chip);
1934		if (retval != STATUS_SUCCESS)
1935			TRACE_RET(chip, retval);
1936
1937		delay_write->delay_write_flag = 0;
1938		retval = xd_finish_write(chip,
1939					 delay_write->old_phyblock,
1940					 delay_write->new_phyblock,
1941					 delay_write->logblock,
1942					 delay_write->pageoff);
1943		if (retval != STATUS_SUCCESS)
1944			TRACE_RET(chip, retval);
1945	}
1946
1947	return STATUS_SUCCESS;
1948}
1949
1950int xd_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector,
1951	  u16 sector_cnt)
1952{
1953	struct xd_info *xd_card = &(chip->xd_card);
1954	unsigned int lun = SCSI_LUN(srb);
1955	struct xd_delay_write_tag *delay_write = &(xd_card->delay_write);
1956	int retval, zone_no;
1957	u32 log_blk, old_blk = 0, new_blk = 0;
1958	u16 log_off, total_sec_cnt = sector_cnt;
1959	u8 start_page, end_page = 0, page_cnt;
1960	u8 *buf;
1961	void *ptr = NULL;
1962	unsigned int offset = 0;
1963
1964	xd_set_err_code(chip, XD_NO_ERROR);
1965
1966	xd_card->counter = 0;
1967
1968	RTS51X_DEBUGP("xd_rw: scsi_bufflen = %d, scsi_sg_count = %d\n",
1969		       scsi_bufflen(srb), scsi_sg_count(srb));
1970	RTS51X_DEBUGP("Data direction: %s\n",
1971		       (srb->sc_data_direction ==
1972			DMA_TO_DEVICE) ? "write" : "read");
1973
1974	buf = (u8 *) scsi_sglist(srb);
1975
1976	retval = xd_switch_clock(chip);
1977	if (retval != STATUS_SUCCESS)
1978		TRACE_RET(chip, retval);
1979
1980	log_blk = start_sector >> xd_card->block_shift;
1981	start_page = (u8) start_sector & xd_card->page_off;
1982	zone_no = (int)(log_blk / 1000);
1983	log_off = (u16) (log_blk % 1000);
1984
1985	RTS51X_DEBUGP("log_blk = 0x%x\n", log_blk);
1986
1987	if (xd_card->zone[zone_no].build_flag == 0) {
1988		retval = xd_build_l2p_tbl(chip, zone_no);
1989		if (retval != STATUS_SUCCESS) {
1990			chip->card_fail |= XD_CARD;
1991			set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
1992			TRACE_RET(chip, retval);
1993		}
1994	}
1995
1996	if (srb->sc_data_direction == DMA_TO_DEVICE) {
1997		if (delay_write->delay_write_flag &&
1998		    (delay_write->logblock == log_blk) &&
1999		    (start_page > delay_write->pageoff)) {
2000			delay_write->delay_write_flag = 0;
2001			if (delay_write->old_phyblock != BLK_NOT_FOUND) {
2002#ifdef XD_SPEEDUP
2003				retval = xd_auto_copy_page(chip,
2004					delay_write->old_phyblock,
2005					delay_write->new_phyblock,
2006					delay_write->pageoff, start_page);
2007#else
2008				retval = xd_copy_page(chip,
2009						      delay_write->old_phyblock,
2010						      delay_write->new_phyblock,
2011						      delay_write->pageoff,
2012						      start_page);
2013#endif
2014				if (retval != STATUS_SUCCESS) {
2015					set_sense_type(chip, lun,
2016						SENSE_TYPE_MEDIA_WRITE_ERR);
2017					TRACE_RET(chip, retval);
2018				}
2019			}
2020			old_blk = delay_write->old_phyblock;
2021			new_blk = delay_write->new_phyblock;
2022		} else if (delay_write->delay_write_flag &&
2023			   (delay_write->logblock == log_blk) &&
2024			   (start_page == delay_write->pageoff)) {
2025			delay_write->delay_write_flag = 0;
2026			old_blk = delay_write->old_phyblock;
2027			new_blk = delay_write->new_phyblock;
2028		} else {
2029			retval = xd_delay_write(chip);
2030			if (retval != STATUS_SUCCESS) {
2031				set_sense_type(chip, lun,
2032					       SENSE_TYPE_MEDIA_WRITE_ERR);
2033				TRACE_RET(chip, retval);
2034			}
2035			old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
2036			new_blk = xd_get_unused_block(chip, zone_no);
2037			if ((old_blk == BLK_NOT_FOUND)
2038			    || (new_blk == BLK_NOT_FOUND)) {
2039				set_sense_type(chip, lun,
2040					       SENSE_TYPE_MEDIA_WRITE_ERR);
2041				TRACE_RET(chip, retval);
2042			}
2043
2044			retval =
2045			    xd_prepare_write(chip, old_blk, new_blk, log_blk,
2046					     start_page);
2047			if (retval != STATUS_SUCCESS) {
2048				if (monitor_card_cd(chip, XD_CARD) ==
2049				    CD_NOT_EXIST) {
2050					set_sense_type(chip, lun,
2051						SENSE_TYPE_MEDIA_NOT_PRESENT);
2052					TRACE_RET(chip, STATUS_FAIL);
2053				}
2054				set_sense_type(chip, lun,
2055					       SENSE_TYPE_MEDIA_WRITE_ERR);
2056				TRACE_RET(chip, retval);
2057			}
2058		}
2059	} else {
2060		retval = xd_delay_write(chip);
2061		if (retval != STATUS_SUCCESS) {
2062			if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST) {
2063				set_sense_type(chip, lun,
2064					       SENSE_TYPE_MEDIA_NOT_PRESENT);
2065				TRACE_RET(chip, STATUS_FAIL);
2066			}
2067			set_sense_type(chip, lun,
2068				       SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2069			TRACE_RET(chip, retval);
2070		}
2071
2072		old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
2073		if (old_blk == BLK_NOT_FOUND) {
2074			set_sense_type(chip, lun,
2075				       SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2076			TRACE_RET(chip, STATUS_FAIL);
2077		}
2078	}
2079
2080	RTS51X_DEBUGP("old_blk = 0x%x\n", old_blk);
2081	if (srb->sc_data_direction == DMA_TO_DEVICE)
2082		RTS51X_DEBUGP("new_blk = 0x%x\n", new_blk);
2083
2084	while (total_sec_cnt) {
2085		if ((start_page + total_sec_cnt) > (xd_card->page_off + 1))
2086			end_page = xd_card->page_off + 1;
2087		else
2088			end_page = start_page + (u8) total_sec_cnt;
2089		page_cnt = end_page - start_page;
2090		if (srb->sc_data_direction == DMA_FROM_DEVICE) {
2091			retval = xd_read_multiple_pages(chip, old_blk, log_blk,
2092							start_page, end_page,
2093							buf, &ptr, &offset);
2094			if (retval != STATUS_SUCCESS) {
2095				set_sense_type(chip, lun,
2096					SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2097				TRACE_RET(chip, STATUS_FAIL);
2098			}
2099		} else {
2100			retval =
2101			    xd_write_multiple_pages(chip, old_blk, new_blk,
2102						    log_blk, start_page,
2103						    end_page, buf, &ptr,
2104						    &offset);
2105			if (retval != STATUS_SUCCESS) {
2106				set_sense_type(chip, lun,
2107					       SENSE_TYPE_MEDIA_WRITE_ERR);
2108				TRACE_RET(chip, STATUS_FAIL);
2109			}
2110		}
2111
2112		total_sec_cnt -= page_cnt;
2113
2114		if (total_sec_cnt == 0)
2115			break;
2116
2117		log_blk++;
2118		zone_no = (int)(log_blk / 1000);
2119		log_off = (u16) (log_blk % 1000);
2120
2121		if (xd_card->zone[zone_no].build_flag == 0) {
2122			retval = xd_build_l2p_tbl(chip, zone_no);
2123			if (retval != STATUS_SUCCESS) {
2124				chip->card_fail |= XD_CARD;
2125				set_sense_type(chip, lun,
2126					       SENSE_TYPE_MEDIA_NOT_PRESENT);
2127				TRACE_RET(chip, retval);
2128			}
2129		}
2130
2131		old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
2132		if (old_blk == BLK_NOT_FOUND) {
2133			if (srb->sc_data_direction == DMA_FROM_DEVICE) {
2134				set_sense_type(chip, lun,
2135					SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
2136			} else {
2137				set_sense_type(chip, lun,
2138					       SENSE_TYPE_MEDIA_WRITE_ERR);
2139			}
2140			TRACE_RET(chip, STATUS_FAIL);
2141		}
2142
2143		if (srb->sc_data_direction == DMA_TO_DEVICE) {
2144			new_blk = xd_get_unused_block(chip, zone_no);
2145			if (new_blk == BLK_NOT_FOUND) {
2146				set_sense_type(chip, lun,
2147					       SENSE_TYPE_MEDIA_WRITE_ERR);
2148				TRACE_RET(chip, STATUS_FAIL);
2149			}
2150		}
2151
2152		start_page = 0;
2153	}
2154
2155	if ((srb->sc_data_direction == DMA_TO_DEVICE) &&
2156	    (end_page != (xd_card->page_off + 1))) {
2157		delay_write->delay_write_flag = 1;
2158		delay_write->old_phyblock = old_blk;
2159		delay_write->new_phyblock = new_blk;
2160		delay_write->logblock = log_blk;
2161		delay_write->pageoff = end_page;
2162	}
2163
2164	scsi_set_resid(srb, 0);
2165
2166	return STATUS_SUCCESS;
2167}
2168
2169void xd_free_l2p_tbl(struct rts51x_chip *chip)
2170{
2171	struct xd_info *xd_card = &(chip->xd_card);
2172	int i = 0;
2173
2174	if (xd_card->zone != NULL) {
2175		for (i = 0; i < xd_card->zone_cnt; i++) {
2176			if (xd_card->zone[i].l2p_table != NULL) {
2177				vfree(xd_card->zone[i].l2p_table);
2178				xd_card->zone[i].l2p_table = NULL;
2179			}
2180			if (xd_card->zone[i].free_table != NULL) {
2181				vfree(xd_card->zone[i].free_table);
2182				xd_card->zone[i].free_table = NULL;
2183			}
2184		}
2185		vfree(xd_card->zone);
2186		xd_card->zone = NULL;
2187	}
2188}
2189
2190void xd_cleanup_work(struct rts51x_chip *chip)
2191{
2192	struct xd_info *xd_card = &(chip->xd_card);
2193
2194	if (xd_card->delay_write.delay_write_flag) {
2195		RTS51X_DEBUGP("xD: delay write\n");
2196		xd_delay_write(chip);
2197		xd_card->counter = 0;
2198	}
2199}
2200
2201int xd_power_off_card3v3(struct rts51x_chip *chip)
2202{
2203	int retval;
2204
2205	rts51x_init_cmd(chip);
2206
2207	rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, XD_CLK_EN, 0);
2208
2209	if (chip->asic_code)
2210		xd_pull_ctl_disable(chip);
2211	else
2212		rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF, 0xDF);
2213	rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, 0);
2214	if (!chip->option.FT2_fast_mode) {
2215		rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK,
2216			       POWER_OFF);
2217		if (CHECK_PKG(chip, LQFP48)
2218		    || chip->option.rts5129_D3318_off_enable)
2219			rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL,
2220				       DV3318_AUTO_PWR_OFF, 0);
2221	}
2222
2223	retval = rts51x_send_cmd(chip, MODE_C, 100);
2224	if (retval != STATUS_SUCCESS)
2225		TRACE_RET(chip, retval);
2226
2227	return STATUS_SUCCESS;
2228}
2229
2230int release_xd_card(struct rts51x_chip *chip)
2231{
2232	struct xd_info *xd_card = &(chip->xd_card);
2233	int retval;
2234
2235	RTS51X_DEBUGP("elease_xd_card\n");
2236
2237	chip->card_ready &= ~XD_CARD;
2238	chip->card_fail &= ~XD_CARD;
2239	chip->card_wp &= ~XD_CARD;
2240
2241	xd_card->delay_write.delay_write_flag = 0;
2242
2243	xd_free_l2p_tbl(chip);
2244
2245	rts51x_write_register(chip, SFSM_ED, HW_CMD_STOP, HW_CMD_STOP);
2246
2247	retval = xd_power_off_card3v3(chip);
2248	if (retval != STATUS_SUCCESS)
2249		TRACE_RET(chip, retval);
2250
2251	if (chip->asic_code && CHECK_PKG(chip, QFN24))
2252		wait_timeout(20);
2253
2254	return STATUS_SUCCESS;
2255}
2256