Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.9 / 64907b94dab947f3f3fc96fe1ab810cbc12ca902 / . / drivers / staging / rts5208 / sd.c
blob: c7c1f54104304055a99da91f0a00216860831555 [file] [log] [blame]
Micky Chingfa590c22013-11-12 17:16:08 +0800[diff] [blame]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
27#include "rtsx.h"
28#include "rtsx_transport.h"
29#include "rtsx_scsi.h"
30#include "rtsx_card.h"
31#include "sd.h"
32
33#define SD_MAX_RETRY_COUNT 3
34
35static u16 REG_SD_CFG1;
36static u16 REG_SD_CFG2;
37static u16 REG_SD_CFG3;
38static u16 REG_SD_STAT1;
39static u16 REG_SD_STAT2;
40static u16 REG_SD_BUS_STAT;
41static u16 REG_SD_PAD_CTL;
42static u16 REG_SD_SAMPLE_POINT_CTL;
43static u16 REG_SD_PUSH_POINT_CTL;
44static u16 REG_SD_CMD0;
45static u16 REG_SD_CMD1;
46static u16 REG_SD_CMD2;
47static u16 REG_SD_CMD3;
48static u16 REG_SD_CMD4;
49static u16 REG_SD_CMD5;
50static u16 REG_SD_BYTE_CNT_L;
51static u16 REG_SD_BYTE_CNT_H;
52static u16 REG_SD_BLOCK_CNT_L;
53static u16 REG_SD_BLOCK_CNT_H;
54static u16 REG_SD_TRANSFER;
55static u16 REG_SD_VPCLK0_CTL;
56static u16 REG_SD_VPCLK1_CTL;
57static u16 REG_SD_DCMPS0_CTL;
58static u16 REG_SD_DCMPS1_CTL;
59
60static inline void sd_set_err_code(struct rtsx_chip *chip, u8 err_code)
61{
62 struct sd_info *sd_card = &(chip->sd_card);
63
64 sd_card->err_code |= err_code;
65}
66
67static inline void sd_clr_err_code(struct rtsx_chip *chip)
68{
69 struct sd_info *sd_card = &(chip->sd_card);
70
71 sd_card->err_code = 0;
72}
73
74static inline int sd_check_err_code(struct rtsx_chip *chip, u8 err_code)
75{
76 struct sd_info *sd_card = &(chip->sd_card);
77
78 return sd_card->err_code & err_code;
79}
80
81static void sd_init_reg_addr(struct rtsx_chip *chip)
82{
83 REG_SD_CFG1 = 0xFD31;
84 REG_SD_CFG2 = 0xFD33;
85 REG_SD_CFG3 = 0xFD3E;
86 REG_SD_STAT1 = 0xFD30;
87 REG_SD_STAT2 = 0;
88 REG_SD_BUS_STAT = 0;
89 REG_SD_PAD_CTL = 0;
90 REG_SD_SAMPLE_POINT_CTL = 0;
91 REG_SD_PUSH_POINT_CTL = 0;
92 REG_SD_CMD0 = 0xFD34;
93 REG_SD_CMD1 = 0xFD35;
94 REG_SD_CMD2 = 0xFD36;
95 REG_SD_CMD3 = 0xFD37;
96 REG_SD_CMD4 = 0xFD38;
97 REG_SD_CMD5 = 0xFD5A;
98 REG_SD_BYTE_CNT_L = 0xFD39;
99 REG_SD_BYTE_CNT_H = 0xFD3A;
100 REG_SD_BLOCK_CNT_L = 0xFD3B;
101 REG_SD_BLOCK_CNT_H = 0xFD3C;
102 REG_SD_TRANSFER = 0xFD32;
103 REG_SD_VPCLK0_CTL = 0;
104 REG_SD_VPCLK1_CTL = 0;
105 REG_SD_DCMPS0_CTL = 0;
106 REG_SD_DCMPS1_CTL = 0;
107}
108
109static int sd_check_data0_status(struct rtsx_chip *chip)
110{
111 u8 stat;
112
113 RTSX_READ_REG(chip, REG_SD_STAT1, &stat);
114
115 if (!(stat & SD_DAT0_STATUS)) {
116 sd_set_err_code(chip, SD_BUSY);
117 TRACE_RET(chip, STATUS_FAIL);
118 }
119
120 return STATUS_SUCCESS;
121}
122
123static int sd_send_cmd_get_rsp(struct rtsx_chip *chip, u8 cmd_idx,
124 u32 arg, u8 rsp_type, u8 *rsp, int rsp_len)
125{
126 struct sd_info *sd_card = &(chip->sd_card);
127 int retval;
128 int timeout = 100;
129 u16 reg_addr;
130 u8 *ptr;
131 int stat_idx = 0;
132 int rty_cnt = 0;
133
134 sd_clr_err_code(chip);
135
136 RTSX_DEBUGP("SD/MMC CMD %d, arg = 0x%08x\n", cmd_idx, arg);
137
138 if (rsp_type == SD_RSP_TYPE_R1b)
139 timeout = 3000;
140
141RTY_SEND_CMD:
142
143 rtsx_init_cmd(chip);
144
145 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF, 0x40 | cmd_idx);
146 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF, (u8)(arg >> 24));
147 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF, (u8)(arg >> 16));
148 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF, (u8)(arg >> 8));
149 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF, (u8)arg);
150
151 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, rsp_type);
152 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE,
153 0x01, PINGPONG_BUFFER);
154 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER,
155 0xFF, SD_TM_CMD_RSP | SD_TRANSFER_START);
156 rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER,
157 SD_TRANSFER_END | SD_STAT_IDLE, SD_TRANSFER_END | SD_STAT_IDLE);
158
159 if (rsp_type == SD_RSP_TYPE_R2) {
160 for (reg_addr = PPBUF_BASE2; reg_addr < PPBUF_BASE2 + 16;
161 reg_addr++)
162 rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0);
163
164 stat_idx = 16;
165 } else if (rsp_type != SD_RSP_TYPE_R0) {
166 for (reg_addr = REG_SD_CMD0; reg_addr <= REG_SD_CMD4;
167 reg_addr++)
168 rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0);
169
170 stat_idx = 5;
171 }
172
173 rtsx_add_cmd(chip, READ_REG_CMD, REG_SD_STAT1, 0, 0);
174
175 retval = rtsx_send_cmd(chip, SD_CARD, timeout);
176 if (retval < 0) {
177 u8 val;
178
179 rtsx_read_register(chip, REG_SD_STAT1, &val);
180 RTSX_DEBUGP("SD_STAT1: 0x%x\n", val);
181
182 rtsx_read_register(chip, REG_SD_CFG3, &val);
183 RTSX_DEBUGP("SD_CFG3: 0x%x\n", val);
184
185 if (retval == -ETIMEDOUT) {
186 if (rsp_type & SD_WAIT_BUSY_END) {
187 retval = sd_check_data0_status(chip);
188 if (retval != STATUS_SUCCESS) {
189 rtsx_clear_sd_error(chip);
190 TRACE_RET(chip, retval);
191 }
192 } else {
193 sd_set_err_code(chip, SD_TO_ERR);
194 }
195 retval = STATUS_TIMEDOUT;
196 } else {
197 retval = STATUS_FAIL;
198 }
199 rtsx_clear_sd_error(chip);
200
201 TRACE_RET(chip, retval);
202 }
203
204 if (rsp_type == SD_RSP_TYPE_R0)
205 return STATUS_SUCCESS;
206
207 ptr = rtsx_get_cmd_data(chip) + 1;
208
209 if ((ptr[0] & 0xC0) != 0) {
210 sd_set_err_code(chip, SD_STS_ERR);
211 TRACE_RET(chip, STATUS_FAIL);
212 }
213
214 if (!(rsp_type & SD_NO_CHECK_CRC7)) {
215 if (ptr[stat_idx] & SD_CRC7_ERR) {
216 if (cmd_idx == WRITE_MULTIPLE_BLOCK) {
217 sd_set_err_code(chip, SD_CRC_ERR);
218 TRACE_RET(chip, STATUS_FAIL);
219 }
220 if (rty_cnt < SD_MAX_RETRY_COUNT) {
221 wait_timeout(20);
222 rty_cnt++;
223 goto RTY_SEND_CMD;
224 } else {
225 sd_set_err_code(chip, SD_CRC_ERR);
226 TRACE_RET(chip, STATUS_FAIL);
227 }
228 }
229 }
230
231 if ((rsp_type == SD_RSP_TYPE_R1) || (rsp_type == SD_RSP_TYPE_R1b)) {
232 if ((cmd_idx != SEND_RELATIVE_ADDR) &&
233 (cmd_idx != SEND_IF_COND)) {
234 if (cmd_idx != STOP_TRANSMISSION) {
235 if (ptr[1] & 0x80)
236 TRACE_RET(chip, STATUS_FAIL);
237 }
238#ifdef SUPPORT_SD_LOCK
239 if (ptr[1] & 0x7D)
240#else
241 if (ptr[1] & 0x7F)
242#endif
243 {
244 RTSX_DEBUGP("ptr[1]: 0x%02x\n", ptr[1]);
245 TRACE_RET(chip, STATUS_FAIL);
246 }
247 if (ptr[2] & 0xFF) {
248 RTSX_DEBUGP("ptr[2]: 0x%02x\n", ptr[2]);
249 TRACE_RET(chip, STATUS_FAIL);
250 }
251 if (ptr[3] & 0x80) {
252 RTSX_DEBUGP("ptr[3]: 0x%02x\n", ptr[3]);
253 TRACE_RET(chip, STATUS_FAIL);
254 }
255 if (ptr[3] & 0x01)
256 sd_card->sd_data_buf_ready = 1;
257 else
258 sd_card->sd_data_buf_ready = 0;
259 }
260 }
261
262 if (rsp && rsp_len)
263 memcpy(rsp, ptr, rsp_len);
264
265 return STATUS_SUCCESS;
266}
267
268static int sd_read_data(struct rtsx_chip *chip,
269 u8 trans_mode, u8 *cmd, int cmd_len, u16 byte_cnt,
270 u16 blk_cnt, u8 bus_width, u8 *buf, int buf_len,
271 int timeout)
272{
273 struct sd_info *sd_card = &(chip->sd_card);
274 int retval;
275 int i;
276
277 sd_clr_err_code(chip);
278
279 if (!buf)
280 buf_len = 0;
281
282 if (buf_len > 512)
283 TRACE_RET(chip, STATUS_FAIL);
284
285 rtsx_init_cmd(chip);
286
287 if (cmd_len) {
288 RTSX_DEBUGP("SD/MMC CMD %d\n", cmd[0] - 0x40);
289 for (i = 0; i < (cmd_len < 6 ? cmd_len : 6); i++)
290 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0 + i,
291 0xFF, cmd[i]);
292 }
293 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF,
294 (u8)byte_cnt);
295 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF,
296 (u8)(byte_cnt >> 8));
297 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF,
298 (u8)blk_cnt);
299 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF,
300 (u8)(blk_cnt >> 8));
301
302 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1, 0x03, bus_width);
303
304 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF,
305 SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | SD_NO_WAIT_BUSY_END|
306 SD_CHECK_CRC7 | SD_RSP_LEN_6);
307 if (trans_mode != SD_TM_AUTO_TUNING)
308 rtsx_add_cmd(chip, WRITE_REG_CMD,
309 CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER);
310
311 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
312 trans_mode | SD_TRANSFER_START);
313 rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END,
314 SD_TRANSFER_END);
315
316 retval = rtsx_send_cmd(chip, SD_CARD, timeout);
317 if (retval < 0) {
318 if (retval == -ETIMEDOUT) {
319 sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
320 SD_RSP_TYPE_R1, NULL, 0);
321 }
322
323 TRACE_RET(chip, STATUS_FAIL);
324 }
325
326 if (buf && buf_len) {
327 retval = rtsx_read_ppbuf(chip, buf, buf_len);
328 if (retval != STATUS_SUCCESS)
329 TRACE_RET(chip, STATUS_FAIL);
330 }
331
332 return STATUS_SUCCESS;
333}
334
335static int sd_write_data(struct rtsx_chip *chip, u8 trans_mode,
336 u8 *cmd, int cmd_len, u16 byte_cnt, u16 blk_cnt, u8 bus_width,
337 u8 *buf, int buf_len, int timeout)
338{
339 struct sd_info *sd_card = &(chip->sd_card);
340 int retval;
341 int i;
342
343 sd_clr_err_code(chip);
344
345 if (!buf)
346 buf_len = 0;
347
348 if (buf_len > 512) {
349 /* This function can't write data more than one page */
350 TRACE_RET(chip, STATUS_FAIL);
351 }
352
353 if (buf && buf_len) {
354 retval = rtsx_write_ppbuf(chip, buf, buf_len);
355 if (retval != STATUS_SUCCESS)
356 TRACE_RET(chip, STATUS_FAIL);
357 }
358
359 rtsx_init_cmd(chip);
360
361 if (cmd_len) {
362 RTSX_DEBUGP("SD/MMC CMD %d\n", cmd[0] - 0x40);
363 for (i = 0; i < (cmd_len < 6 ? cmd_len : 6); i++) {
364 rtsx_add_cmd(chip, WRITE_REG_CMD,
365 REG_SD_CMD0 + i, 0xFF, cmd[i]);
366 }
367 }
368 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF,
369 (u8)byte_cnt);
370 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF,
371 (u8)(byte_cnt >> 8));
372 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF,
373 (u8)blk_cnt);
374 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF,
375 (u8)(blk_cnt >> 8));
376
377 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1, 0x03, bus_width);
378
379 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF,
380 SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | SD_NO_WAIT_BUSY_END |
381 SD_CHECK_CRC7 | SD_RSP_LEN_6);
382
383 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
384 trans_mode | SD_TRANSFER_START);
385 rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END,
386 SD_TRANSFER_END);
387
388 retval = rtsx_send_cmd(chip, SD_CARD, timeout);
389 if (retval < 0) {
390 if (retval == -ETIMEDOUT) {
391 sd_send_cmd_get_rsp(chip, SEND_STATUS,
392 sd_card->sd_addr, SD_RSP_TYPE_R1, NULL, 0);
393 }
394
395 TRACE_RET(chip, STATUS_FAIL);
396 }
397
398 return STATUS_SUCCESS;
399}
400
401static int sd_check_csd(struct rtsx_chip *chip, char check_wp)
402{
403 struct sd_info *sd_card = &(chip->sd_card);
404 int retval;
405 int i;
406 u8 csd_ver, trans_speed;
407 u8 rsp[16];
408
409 for (i = 0; i < 6; i++) {
410 if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
411 sd_set_err_code(chip, SD_NO_CARD);
412 TRACE_RET(chip, STATUS_FAIL);
413 }
414
415 retval = sd_send_cmd_get_rsp(chip, SEND_CSD, sd_card->sd_addr,
416 SD_RSP_TYPE_R2, rsp, 16);
417 if (retval == STATUS_SUCCESS)
418 break;
419 }
420
421 if (i == 6)
422 TRACE_RET(chip, STATUS_FAIL);
423
424 memcpy(sd_card->raw_csd, rsp + 1, 15);
425
426 RTSX_DEBUGP("CSD Response:\n");
427 RTSX_DUMP(sd_card->raw_csd, 16);
428
429 csd_ver = (rsp[1] & 0xc0) >> 6;
430 RTSX_DEBUGP("csd_ver = %d\n", csd_ver);
431
432 trans_speed = rsp[4];
433 if ((trans_speed & 0x07) == 0x02) {
434 if ((trans_speed & 0xf8) >= 0x30) {
435 if (chip->asic_code)
436 sd_card->sd_clock = 47;
437 else
438 sd_card->sd_clock = CLK_50;
439
440 } else if ((trans_speed & 0xf8) == 0x28) {
441 if (chip->asic_code)
442 sd_card->sd_clock = 39;
443 else
444 sd_card->sd_clock = CLK_40;
445
446 } else if ((trans_speed & 0xf8) == 0x20) {
447 if (chip->asic_code)
448 sd_card->sd_clock = 29;
449 else
450 sd_card->sd_clock = CLK_30;
451
452 } else if ((trans_speed & 0xf8) >= 0x10) {
453 if (chip->asic_code)
454 sd_card->sd_clock = 23;
455 else
456 sd_card->sd_clock = CLK_20;
457
458 } else if ((trans_speed & 0x08) >= 0x08) {
459 if (chip->asic_code)
460 sd_card->sd_clock = 19;
461 else
462 sd_card->sd_clock = CLK_20;
463 } else {
464 TRACE_RET(chip, STATUS_FAIL);
465 }
466 } else {
467 TRACE_RET(chip, STATUS_FAIL);
468 }
469
470 if (CHK_MMC_SECTOR_MODE(sd_card)) {
471 sd_card->capacity = 0;
472 } else {
473 if ((!CHK_SD_HCXC(sd_card)) || (csd_ver == 0)) {
474 u8 blk_size, c_size_mult;
475 u16 c_size;
476 blk_size = rsp[6] & 0x0F;
477 c_size = ((u16)(rsp[7] & 0x03) << 10)
478 + ((u16)rsp[8] << 2)
479 + ((u16)(rsp[9] & 0xC0) >> 6);
480 c_size_mult = (u8)((rsp[10] & 0x03) << 1);
481 c_size_mult += (rsp[11] & 0x80) >> 7;
482 sd_card->capacity = (((u32)(c_size + 1)) *
483 (1 << (c_size_mult + 2)))
484 << (blk_size - 9);
485 } else {
486 u32 total_sector = 0;
487 total_sector = (((u32)rsp[8] & 0x3f) << 16) |
488 ((u32)rsp[9] << 8) | (u32)rsp[10];
489 sd_card->capacity = (total_sector + 1) << 10;
490 }
491 }
492
493 if (check_wp) {
494 if (rsp[15] & 0x30)
495 chip->card_wp |= SD_CARD;
496
497 RTSX_DEBUGP("CSD WP Status: 0x%x\n", rsp[15]);
498 }
499
500 return STATUS_SUCCESS;
501}
502
503static int sd_set_sample_push_timing(struct rtsx_chip *chip)
504{
505 struct sd_info *sd_card = &(chip->sd_card);
506
507 u8 val = 0;
508
509 if ((chip->sd_ctl & SD_PUSH_POINT_CTL_MASK) == SD_PUSH_POINT_DELAY)
510 val |= 0x10;
511
512 if ((chip->sd_ctl & SD_SAMPLE_POINT_CTL_MASK) == SD_SAMPLE_POINT_AUTO) {
513 if (chip->asic_code) {
514 if (CHK_SD_HS(sd_card) || CHK_MMC_52M(sd_card)) {
515 if (val & 0x10)
516 val |= 0x04;
517 else
518 val |= 0x08;
519 }
520 } else {
521 if (val & 0x10)
522 val |= 0x04;
523 else
524 val |= 0x08;
525 }
526 } else if ((chip->sd_ctl & SD_SAMPLE_POINT_CTL_MASK) ==
527 SD_SAMPLE_POINT_DELAY) {
528 if (val & 0x10)
529 val |= 0x04;
530 else
531 val |= 0x08;
532 }
533
534 RTSX_WRITE_REG(chip, REG_SD_CFG1, 0x1C, val);
535
536 return STATUS_SUCCESS;
537}
538
539static void sd_choose_proper_clock(struct rtsx_chip *chip)
540{
541 struct sd_info *sd_card = &(chip->sd_card);
542
543 if (CHK_SD_SDR104(sd_card)) {
544 if (chip->asic_code)
545 sd_card->sd_clock = chip->asic_sd_sdr104_clk;
546 else
547 sd_card->sd_clock = chip->fpga_sd_sdr104_clk;
548
549 } else if (CHK_SD_DDR50(sd_card)) {
550 if (chip->asic_code)
551 sd_card->sd_clock = chip->asic_sd_ddr50_clk;
552 else
553 sd_card->sd_clock = chip->fpga_sd_ddr50_clk;
554
555 } else if (CHK_SD_SDR50(sd_card)) {
556 if (chip->asic_code)
557 sd_card->sd_clock = chip->asic_sd_sdr50_clk;
558 else
559 sd_card->sd_clock = chip->fpga_sd_sdr50_clk;
560
561 } else if (CHK_SD_HS(sd_card)) {
562 if (chip->asic_code)
563 sd_card->sd_clock = chip->asic_sd_hs_clk;
564 else
565 sd_card->sd_clock = chip->fpga_sd_hs_clk;
566
567 } else if (CHK_MMC_52M(sd_card) || CHK_MMC_DDR52(sd_card)) {
568 if (chip->asic_code)
569 sd_card->sd_clock = chip->asic_mmc_52m_clk;
570 else
571 sd_card->sd_clock = chip->fpga_mmc_52m_clk;
572
573 } else if (CHK_MMC_26M(sd_card)) {
574 if (chip->asic_code)
575 sd_card->sd_clock = 48;
576 else
577 sd_card->sd_clock = CLK_50;
578 }
579}
580
581static int sd_set_clock_divider(struct rtsx_chip *chip, u8 clk_div)
582{
583 u8 mask = 0, val = 0;
584
585 mask = 0x60;
586 if (clk_div == SD_CLK_DIVIDE_0)
587 val = 0x00;
588 else if (clk_div == SD_CLK_DIVIDE_128)
589 val = 0x40;
590 else if (clk_div == SD_CLK_DIVIDE_256)
591 val = 0x20;
592
593 RTSX_WRITE_REG(chip, REG_SD_CFG1, mask, val);
594
595 return STATUS_SUCCESS;
596}
597
598static int sd_set_init_para(struct rtsx_chip *chip)
599{
600 struct sd_info *sd_card = &(chip->sd_card);
601 int retval;
602
603 retval = sd_set_sample_push_timing(chip);
604 if (retval != STATUS_SUCCESS)
605 TRACE_RET(chip, STATUS_FAIL);
606
607 sd_choose_proper_clock(chip);
608
609 retval = switch_clock(chip, sd_card->sd_clock);
610 if (retval != STATUS_SUCCESS)
611 TRACE_RET(chip, STATUS_FAIL);
612
613 return STATUS_SUCCESS;
614}
615
616int sd_select_card(struct rtsx_chip *chip, int select)
617{
618 struct sd_info *sd_card = &(chip->sd_card);
619 int retval;
620 u8 cmd_idx, cmd_type;
621 u32 addr;
622
623 if (select) {
624 cmd_idx = SELECT_CARD;
625 cmd_type = SD_RSP_TYPE_R1;
626 addr = sd_card->sd_addr;
627 } else {
628 cmd_idx = DESELECT_CARD;
629 cmd_type = SD_RSP_TYPE_R0;
630 addr = 0;
631 }
632
633 retval = sd_send_cmd_get_rsp(chip, cmd_idx, addr, cmd_type, NULL, 0);
634 if (retval != STATUS_SUCCESS)
635 TRACE_RET(chip, STATUS_FAIL);
636
637 return STATUS_SUCCESS;
638}
639
640#ifdef SUPPORT_SD_LOCK
641static int sd_update_lock_status(struct rtsx_chip *chip)
642{
643 struct sd_info *sd_card = &(chip->sd_card);
644 int retval;
645 u8 rsp[5];
646
647 retval = sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
648 SD_RSP_TYPE_R1, rsp, 5);
649 if (retval != STATUS_SUCCESS)
650 TRACE_RET(chip, STATUS_FAIL);
651
652 if (rsp[1] & 0x02)
653 sd_card->sd_lock_status |= SD_LOCKED;
654 else
655 sd_card->sd_lock_status &= ~SD_LOCKED;
656
657 RTSX_DEBUGP("sd_card->sd_lock_status = 0x%x\n",
658 sd_card->sd_lock_status);
659
660 if (rsp[1] & 0x01)
661 TRACE_RET(chip, STATUS_FAIL);
662
663 return STATUS_SUCCESS;
664}
665#endif
666
667static int sd_wait_state_data_ready(struct rtsx_chip *chip, u8 state,
668 u8 data_ready, int polling_cnt)
669{
670 struct sd_info *sd_card = &(chip->sd_card);
671 int retval, i;
672 u8 rsp[5];
673
674 for (i = 0; i < polling_cnt; i++) {
675 retval = sd_send_cmd_get_rsp(chip, SEND_STATUS,
676 sd_card->sd_addr, SD_RSP_TYPE_R1, rsp,
677 5);
678 if (retval != STATUS_SUCCESS)
679 TRACE_RET(chip, STATUS_FAIL);
680
681 if (((rsp[3] & 0x1E) == state) &&
682 ((rsp[3] & 0x01) == data_ready))
683 return STATUS_SUCCESS;
684 }
685
686 TRACE_RET(chip, STATUS_FAIL);
687}
688
689static int sd_change_bank_voltage(struct rtsx_chip *chip, u8 voltage)
690{
691 int retval;
692
693 if (voltage == SD_IO_3V3) {
694 if (chip->asic_code) {
695 retval = rtsx_write_phy_register(chip, 0x08,
696 0x4FC0 |
697 chip->phy_voltage);
698 if (retval != STATUS_SUCCESS)
699 TRACE_RET(chip, STATUS_FAIL);
700 } else {
701 RTSX_WRITE_REG(chip, SD_PAD_CTL, SD_IO_USING_1V8, 0);
702 }
703 } else if (voltage == SD_IO_1V8) {
704 if (chip->asic_code) {
705 retval = rtsx_write_phy_register(chip, 0x08,
706 0x4C40 |
707 chip->phy_voltage);
708 if (retval != STATUS_SUCCESS)
709 TRACE_RET(chip, STATUS_FAIL);
710 } else {
711 RTSX_WRITE_REG(chip, SD_PAD_CTL, SD_IO_USING_1V8,
712 SD_IO_USING_1V8);
713 }
714 } else {
715 TRACE_RET(chip, STATUS_FAIL);
716 }
717
718 return STATUS_SUCCESS;
719}
720
721static int sd_voltage_switch(struct rtsx_chip *chip)
722{
723 int retval;
724 u8 stat;
725
726 RTSX_WRITE_REG(chip, SD_BUS_STAT, SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP,
727 SD_CLK_TOGGLE_EN);
728
729 retval = sd_send_cmd_get_rsp(chip, VOLTAGE_SWITCH, 0, SD_RSP_TYPE_R1,
730 NULL, 0);
731 if (retval != STATUS_SUCCESS)
732 TRACE_RET(chip, STATUS_FAIL);
733
734 udelay(chip->sd_voltage_switch_delay);
735
736 RTSX_READ_REG(chip, SD_BUS_STAT, &stat);
737 if (stat & (SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS |
738 SD_DAT1_STATUS | SD_DAT0_STATUS)) {
739 TRACE_RET(chip, STATUS_FAIL);
740 }
741
742 RTSX_WRITE_REG(chip, SD_BUS_STAT, 0xFF, SD_CLK_FORCE_STOP);
743 retval = sd_change_bank_voltage(chip, SD_IO_1V8);
744 if (retval != STATUS_SUCCESS)
745 TRACE_RET(chip, STATUS_FAIL);
746
747 wait_timeout(50);
748
749 RTSX_WRITE_REG(chip, SD_BUS_STAT, 0xFF, SD_CLK_TOGGLE_EN);
750 wait_timeout(10);
751
752 RTSX_READ_REG(chip, SD_BUS_STAT, &stat);
753 if ((stat & (SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS |
754 SD_DAT1_STATUS | SD_DAT0_STATUS)) !=
755 (SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS |
756 SD_DAT1_STATUS | SD_DAT0_STATUS)) {
757 RTSX_DEBUGP("SD_BUS_STAT: 0x%x\n", stat);
758 rtsx_write_register(chip, SD_BUS_STAT,
759 SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP, 0);
760 rtsx_write_register(chip, CARD_CLK_EN, 0xFF, 0);
761 TRACE_RET(chip, STATUS_FAIL);
762 }
763
764 RTSX_WRITE_REG(chip, SD_BUS_STAT, SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP,
765 0);
766
767 return STATUS_SUCCESS;
768}
769
770static int sd_reset_dcm(struct rtsx_chip *chip, u8 tune_dir)
771{
772 if (tune_dir == TUNE_RX) {
773 RTSX_WRITE_REG(chip, DCM_DRP_CTL, 0xFF, DCM_RESET | DCM_RX);
774 RTSX_WRITE_REG(chip, DCM_DRP_CTL, 0xFF, DCM_RX);
775 } else {
776 RTSX_WRITE_REG(chip, DCM_DRP_CTL, 0xFF, DCM_RESET | DCM_TX);
777 RTSX_WRITE_REG(chip, DCM_DRP_CTL, 0xFF, DCM_TX);
778 }
779
780 return STATUS_SUCCESS;
781}
782
783static int sd_change_phase(struct rtsx_chip *chip, u8 sample_point, u8 tune_dir)
784{
785 struct sd_info *sd_card = &(chip->sd_card);
786 u16 SD_VP_CTL, SD_DCMPS_CTL;
787 u8 val;
788 int retval;
789 int ddr_rx = 0;
790
791 RTSX_DEBUGP("sd_change_phase (sample_point = %d, tune_dir = %d)\n",
792 sample_point, tune_dir);
793
794 if (tune_dir == TUNE_RX) {
795 SD_VP_CTL = SD_VPRX_CTL;
796 SD_DCMPS_CTL = SD_DCMPS_RX_CTL;
797 if (CHK_SD_DDR50(sd_card))
798 ddr_rx = 1;
799 } else {
800 SD_VP_CTL = SD_VPTX_CTL;
801 SD_DCMPS_CTL = SD_DCMPS_TX_CTL;
802 }
803
804 if (chip->asic_code) {
805 RTSX_WRITE_REG(chip, CLK_CTL, CHANGE_CLK, CHANGE_CLK);
806 RTSX_WRITE_REG(chip, SD_VP_CTL, 0x1F, sample_point);
807 RTSX_WRITE_REG(chip, SD_VPCLK0_CTL, PHASE_NOT_RESET, 0);
808 RTSX_WRITE_REG(chip, SD_VPCLK0_CTL, PHASE_NOT_RESET,
809 PHASE_NOT_RESET);
810 RTSX_WRITE_REG(chip, CLK_CTL, CHANGE_CLK, 0);
811 } else {
812#ifdef CONFIG_RTS5208_DEBUG
813 rtsx_read_register(chip, SD_VP_CTL, &val);
814 RTSX_DEBUGP("SD_VP_CTL: 0x%x\n", val);
815 rtsx_read_register(chip, SD_DCMPS_CTL, &val);
816 RTSX_DEBUGP("SD_DCMPS_CTL: 0x%x\n", val);
817#endif
818
819 if (ddr_rx) {
820 RTSX_WRITE_REG(chip, SD_VP_CTL, PHASE_CHANGE,
821 PHASE_CHANGE);
822 udelay(50);
823 RTSX_WRITE_REG(chip, SD_VP_CTL, 0xFF,
824 PHASE_CHANGE | PHASE_NOT_RESET | sample_point);
825 } else {
826 RTSX_WRITE_REG(chip, CLK_CTL, CHANGE_CLK, CHANGE_CLK);
827 udelay(50);
828 RTSX_WRITE_REG(chip, SD_VP_CTL, 0xFF,
829 PHASE_NOT_RESET | sample_point);
830 }
831 udelay(100);
832
833 rtsx_init_cmd(chip);
834 rtsx_add_cmd(chip, WRITE_REG_CMD, SD_DCMPS_CTL, DCMPS_CHANGE,
835 DCMPS_CHANGE);
836 rtsx_add_cmd(chip, CHECK_REG_CMD, SD_DCMPS_CTL,
837 DCMPS_CHANGE_DONE, DCMPS_CHANGE_DONE);
838 retval = rtsx_send_cmd(chip, SD_CARD, 100);
839 if (retval != STATUS_SUCCESS)
840 TRACE_GOTO(chip, Fail);
841
842 val = *rtsx_get_cmd_data(chip);
843 if (val & DCMPS_ERROR)
844 TRACE_GOTO(chip, Fail);
845
846 if ((val & DCMPS_CURRENT_PHASE) != sample_point)
847 TRACE_GOTO(chip, Fail);
848
849 RTSX_WRITE_REG(chip, SD_DCMPS_CTL, DCMPS_CHANGE, 0);
850 if (ddr_rx)
851 RTSX_WRITE_REG(chip, SD_VP_CTL, PHASE_CHANGE, 0);
852 else
853 RTSX_WRITE_REG(chip, CLK_CTL, CHANGE_CLK, 0);
854
855 udelay(50);
856 }
857
858 RTSX_WRITE_REG(chip, SD_CFG1, SD_ASYNC_FIFO_NOT_RST, 0);
859
860 return STATUS_SUCCESS;
861
862Fail:
863#ifdef CONFIG_RTS5208_DEBUG
864 rtsx_read_register(chip, SD_VP_CTL, &val);
865 RTSX_DEBUGP("SD_VP_CTL: 0x%x\n", val);
866 rtsx_read_register(chip, SD_DCMPS_CTL, &val);
867 RTSX_DEBUGP("SD_DCMPS_CTL: 0x%x\n", val);
868#endif
869
870 rtsx_write_register(chip, SD_DCMPS_CTL, DCMPS_CHANGE, 0);
871 rtsx_write_register(chip, SD_VP_CTL, PHASE_CHANGE, 0);
872 wait_timeout(10);
873 sd_reset_dcm(chip, tune_dir);
874 return STATUS_FAIL;
875}
876
877static int sd_check_spec(struct rtsx_chip *chip, u8 bus_width)
878{
879 struct sd_info *sd_card = &(chip->sd_card);
880 int retval;
881 u8 cmd[5], buf[8];
882
883 retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
884 SD_RSP_TYPE_R1, NULL, 0);
885 if (retval != STATUS_SUCCESS)
886 TRACE_RET(chip, STATUS_FAIL);
887
888 cmd[0] = 0x40 | SEND_SCR;
889 cmd[1] = 0;
890 cmd[2] = 0;
891 cmd[3] = 0;
892 cmd[4] = 0;
893
894 retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 8, 1, bus_width,
895 buf, 8, 250);
896 if (retval != STATUS_SUCCESS) {
897 rtsx_clear_sd_error(chip);
898 TRACE_RET(chip, STATUS_FAIL);
899 }
900
901 memcpy(sd_card->raw_scr, buf, 8);
902
903 if ((buf[0] & 0x0F) == 0)
904 TRACE_RET(chip, STATUS_FAIL);
905
906 return STATUS_SUCCESS;
907}
908
909static int sd_query_switch_result(struct rtsx_chip *chip, u8 func_group,
910 u8 func_to_switch, u8 *buf, int buf_len)
911{
912 u8 support_mask = 0, query_switch = 0, switch_busy = 0;
913 int support_offset = 0, query_switch_offset = 0, check_busy_offset = 0;
914
915 if (func_group == SD_FUNC_GROUP_1) {
916 support_offset = FUNCTION_GROUP1_SUPPORT_OFFSET;
917 query_switch_offset = FUNCTION_GROUP1_QUERY_SWITCH_OFFSET;
918 check_busy_offset = FUNCTION_GROUP1_CHECK_BUSY_OFFSET;
919
920 switch (func_to_switch) {
921 case HS_SUPPORT:
922 support_mask = HS_SUPPORT_MASK;
923 query_switch = HS_QUERY_SWITCH_OK;
924 switch_busy = HS_SWITCH_BUSY;
925 break;
926
927 case SDR50_SUPPORT:
928 support_mask = SDR50_SUPPORT_MASK;
929 query_switch = SDR50_QUERY_SWITCH_OK;
930 switch_busy = SDR50_SWITCH_BUSY;
931 break;
932
933 case SDR104_SUPPORT:
934 support_mask = SDR104_SUPPORT_MASK;
935 query_switch = SDR104_QUERY_SWITCH_OK;
936 switch_busy = SDR104_SWITCH_BUSY;
937 break;
938
939 case DDR50_SUPPORT:
940 support_mask = DDR50_SUPPORT_MASK;
941 query_switch = DDR50_QUERY_SWITCH_OK;
942 switch_busy = DDR50_SWITCH_BUSY;
943 break;
944
945 default:
946 TRACE_RET(chip, STATUS_FAIL);
947 }
948 } else if (func_group == SD_FUNC_GROUP_3) {
949 support_offset = FUNCTION_GROUP3_SUPPORT_OFFSET;
950 query_switch_offset = FUNCTION_GROUP3_QUERY_SWITCH_OFFSET;
951 check_busy_offset = FUNCTION_GROUP3_CHECK_BUSY_OFFSET;
952
953 switch (func_to_switch) {
954 case DRIVING_TYPE_A:
955 support_mask = DRIVING_TYPE_A_MASK;
956 query_switch = TYPE_A_QUERY_SWITCH_OK;
957 switch_busy = TYPE_A_SWITCH_BUSY;
958 break;
959
960 case DRIVING_TYPE_C:
961 support_mask = DRIVING_TYPE_C_MASK;
962 query_switch = TYPE_C_QUERY_SWITCH_OK;
963 switch_busy = TYPE_C_SWITCH_BUSY;
964 break;
965
966 case DRIVING_TYPE_D:
967 support_mask = DRIVING_TYPE_D_MASK;
968 query_switch = TYPE_D_QUERY_SWITCH_OK;
969 switch_busy = TYPE_D_SWITCH_BUSY;
970 break;
971
972 default:
973 TRACE_RET(chip, STATUS_FAIL);
974 }
975 } else if (func_group == SD_FUNC_GROUP_4) {
976 support_offset = FUNCTION_GROUP4_SUPPORT_OFFSET;
977 query_switch_offset = FUNCTION_GROUP4_QUERY_SWITCH_OFFSET;
978 check_busy_offset = FUNCTION_GROUP4_CHECK_BUSY_OFFSET;
979
980 switch (func_to_switch) {
981 case CURRENT_LIMIT_400:
982 support_mask = CURRENT_LIMIT_400_MASK;
983 query_switch = CURRENT_LIMIT_400_QUERY_SWITCH_OK;
984 switch_busy = CURRENT_LIMIT_400_SWITCH_BUSY;
985 break;
986
987 case CURRENT_LIMIT_600:
988 support_mask = CURRENT_LIMIT_600_MASK;
989 query_switch = CURRENT_LIMIT_600_QUERY_SWITCH_OK;
990 switch_busy = CURRENT_LIMIT_600_SWITCH_BUSY;
991 break;
992
993 case CURRENT_LIMIT_800:
994 support_mask = CURRENT_LIMIT_800_MASK;
995 query_switch = CURRENT_LIMIT_800_QUERY_SWITCH_OK;
996 switch_busy = CURRENT_LIMIT_800_SWITCH_BUSY;
997 break;
998
999 default:
1000 TRACE_RET(chip, STATUS_FAIL);
1001 }
1002 } else {
1003 TRACE_RET(chip, STATUS_FAIL);
1004 }
1005
1006 if (func_group == SD_FUNC_GROUP_1) {
1007 if (!(buf[support_offset] & support_mask) ||
1008 ((buf[query_switch_offset] & 0x0F) != query_switch)) {
1009 TRACE_RET(chip, STATUS_FAIL);
1010 }
1011 }
1012
1013 /* Check 'Busy Status' */
1014 if ((buf[DATA_STRUCTURE_VER_OFFSET] == 0x01) &&
1015 ((buf[check_busy_offset] & switch_busy) == switch_busy)) {
1016 TRACE_RET(chip, STATUS_FAIL);
1017 }
1018
1019 return STATUS_SUCCESS;
1020}
1021
1022static int sd_check_switch_mode(struct rtsx_chip *chip, u8 mode,
1023 u8 func_group, u8 func_to_switch, u8 bus_width)
1024{
1025 struct sd_info *sd_card = &(chip->sd_card);
1026 int retval;
1027 u8 cmd[5], buf[64];
1028
1029 RTSX_DEBUGP("sd_check_switch_mode (mode = %d, func_group = %d, func_to_switch = %d)\n",
1030 mode, func_group, func_to_switch);
1031
1032 cmd[0] = 0x40 | SWITCH;
1033 cmd[1] = mode;
1034
1035 if (func_group == SD_FUNC_GROUP_1) {
1036 cmd[2] = 0xFF;
1037 cmd[3] = 0xFF;
1038 cmd[4] = 0xF0 + func_to_switch;
1039 } else if (func_group == SD_FUNC_GROUP_3) {
1040 cmd[2] = 0xFF;
1041 cmd[3] = 0xF0 + func_to_switch;
1042 cmd[4] = 0xFF;
1043 } else if (func_group == SD_FUNC_GROUP_4) {
1044 cmd[2] = 0xFF;
1045 cmd[3] = 0x0F + (func_to_switch << 4);
1046 cmd[4] = 0xFF;
1047 } else {
1048 cmd[1] = SD_CHECK_MODE;
1049 cmd[2] = 0xFF;
1050 cmd[3] = 0xFF;
1051 cmd[4] = 0xFF;
1052 }
1053
1054 retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 64, 1, bus_width,
1055 buf, 64, 250);
1056 if (retval != STATUS_SUCCESS) {
1057 rtsx_clear_sd_error(chip);
1058 TRACE_RET(chip, STATUS_FAIL);
1059 }
1060
1061 RTSX_DUMP(buf, 64);
1062
1063 if (func_group == NO_ARGUMENT) {
1064 sd_card->func_group1_mask = buf[0x0D];
1065 sd_card->func_group2_mask = buf[0x0B];
1066 sd_card->func_group3_mask = buf[0x09];
1067 sd_card->func_group4_mask = buf[0x07];
1068
1069 RTSX_DEBUGP("func_group1_mask = 0x%02x\n", buf[0x0D]);
1070 RTSX_DEBUGP("func_group2_mask = 0x%02x\n", buf[0x0B]);
1071 RTSX_DEBUGP("func_group3_mask = 0x%02x\n", buf[0x09]);
1072 RTSX_DEBUGP("func_group4_mask = 0x%02x\n", buf[0x07]);
1073 } else {
1074 /* Maximum current consumption, check whether current is
1075 * acceptable; bit[511:496] = 0x0000 means some error happened.
1076 */
1077 u16 cc = ((u16)buf[0] << 8) | buf[1];
1078 RTSX_DEBUGP("Maximum current consumption: %dmA\n", cc);
1079 if ((cc == 0) || (cc > 800))
1080 TRACE_RET(chip, STATUS_FAIL);
1081
1082 retval = sd_query_switch_result(chip, func_group,
1083 func_to_switch, buf, 64);
1084 if (retval != STATUS_SUCCESS)
1085 TRACE_RET(chip, STATUS_FAIL);
1086
1087 if ((cc > 400) || (func_to_switch > CURRENT_LIMIT_400)) {
1088 RTSX_WRITE_REG(chip, OCPPARA2, SD_OCP_THD_MASK,
1089 chip->sd_800mA_ocp_thd);
1090 RTSX_WRITE_REG(chip, CARD_PWR_CTL, PMOS_STRG_MASK,
1091 PMOS_STRG_800mA);
1092 }
1093 }
1094
1095 return STATUS_SUCCESS;
1096}
1097
1098static u8 downgrade_switch_mode(u8 func_group, u8 func_to_switch)
1099{
1100 if (func_group == SD_FUNC_GROUP_1) {
1101 if (func_to_switch > HS_SUPPORT)
1102 func_to_switch--;
1103
1104 } else if (func_group == SD_FUNC_GROUP_4) {
1105 if (func_to_switch > CURRENT_LIMIT_200)
1106 func_to_switch--;
1107 }
1108
1109 return func_to_switch;
1110}
1111
1112static int sd_check_switch(struct rtsx_chip *chip,
1113 u8 func_group, u8 func_to_switch, u8 bus_width)
1114{
1115 int retval;
1116 int i;
1117 int switch_good = 0;
1118
1119 for (i = 0; i < 3; i++) {
1120 if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
1121 sd_set_err_code(chip, SD_NO_CARD);
1122 TRACE_RET(chip, STATUS_FAIL);
1123 }
1124
1125 retval = sd_check_switch_mode(chip, SD_CHECK_MODE, func_group,
1126 func_to_switch, bus_width);
1127 if (retval == STATUS_SUCCESS) {
1128 u8 stat;
1129
1130 retval = sd_check_switch_mode(chip, SD_SWITCH_MODE,
1131 func_group, func_to_switch, bus_width);
1132 if (retval == STATUS_SUCCESS) {
1133 switch_good = 1;
1134 break;
1135 }
1136
1137 RTSX_READ_REG(chip, SD_STAT1, &stat);
1138 if (stat & SD_CRC16_ERR) {
1139 RTSX_DEBUGP("SD CRC16 error when switching mode\n");
1140 TRACE_RET(chip, STATUS_FAIL);
1141 }
1142 }
1143
1144 func_to_switch = downgrade_switch_mode(func_group,
1145 func_to_switch);
1146
1147 wait_timeout(20);
1148 }
1149
1150 if (!switch_good)
1151 TRACE_RET(chip, STATUS_FAIL);
1152
1153 return STATUS_SUCCESS;
1154}
1155
1156static int sd_switch_function(struct rtsx_chip *chip, u8 bus_width)
1157{
1158 struct sd_info *sd_card = &(chip->sd_card);
1159 int retval;
1160 int i;
1161 u8 func_to_switch = 0;
1162
1163 /* Get supported functions */
1164 retval = sd_check_switch_mode(chip, SD_CHECK_MODE,
1165 NO_ARGUMENT, NO_ARGUMENT, bus_width);
1166 if (retval != STATUS_SUCCESS)
1167 TRACE_RET(chip, STATUS_FAIL);
1168
1169 sd_card->func_group1_mask &= ~(sd_card->sd_switch_fail);
1170
1171 /* Function Group 1: Access Mode */
1172 for (i = 0; i < 4; i++) {
1173 switch ((u8)(chip->sd_speed_prior >> (i*8))) {
1174 case SDR104_SUPPORT:
1175 if ((sd_card->func_group1_mask & SDR104_SUPPORT_MASK)
1176 && chip->sdr104_en) {
1177 func_to_switch = SDR104_SUPPORT;
1178 }
1179 break;
1180
1181 case DDR50_SUPPORT:
1182 if ((sd_card->func_group1_mask & DDR50_SUPPORT_MASK)
1183 && chip->ddr50_en) {
1184 func_to_switch = DDR50_SUPPORT;
1185 }
1186 break;
1187
1188 case SDR50_SUPPORT:
1189 if ((sd_card->func_group1_mask & SDR50_SUPPORT_MASK)
1190 && chip->sdr50_en) {
1191 func_to_switch = SDR50_SUPPORT;
1192 }
1193 break;
1194
1195 case HS_SUPPORT:
1196 if (sd_card->func_group1_mask & HS_SUPPORT_MASK)
1197 func_to_switch = HS_SUPPORT;
1198
1199 break;
1200
1201 default:
1202 continue;
1203 }
1204
1205
1206 if (func_to_switch)
1207 break;
1208
1209 }
1210 RTSX_DEBUGP("SD_FUNC_GROUP_1: func_to_switch = 0x%02x", func_to_switch);
1211
1212#ifdef SUPPORT_SD_LOCK
1213 if ((sd_card->sd_lock_status & SD_SDR_RST)
1214 && (DDR50_SUPPORT == func_to_switch)
1215 && (sd_card->func_group1_mask & SDR50_SUPPORT_MASK)) {
1216 func_to_switch = SDR50_SUPPORT;
1217 RTSX_DEBUGP("Using SDR50 instead of DDR50 for SD Lock\n");
1218 }
1219#endif
1220
1221 if (func_to_switch) {
1222 retval = sd_check_switch(chip, SD_FUNC_GROUP_1, func_to_switch,
1223 bus_width);
1224 if (retval != STATUS_SUCCESS) {
1225 if (func_to_switch == SDR104_SUPPORT) {
1226 sd_card->sd_switch_fail = SDR104_SUPPORT_MASK;
1227 } else if (func_to_switch == DDR50_SUPPORT) {
1228 sd_card->sd_switch_fail = SDR104_SUPPORT_MASK |
1229 DDR50_SUPPORT_MASK;
1230 } else if (func_to_switch == SDR50_SUPPORT) {
1231 sd_card->sd_switch_fail = SDR104_SUPPORT_MASK |
1232 DDR50_SUPPORT_MASK | SDR50_SUPPORT_MASK;
1233 }
1234 TRACE_RET(chip, STATUS_FAIL);
1235 }
1236
1237 if (func_to_switch == SDR104_SUPPORT)
1238 SET_SD_SDR104(sd_card);
1239 else if (func_to_switch == DDR50_SUPPORT)
1240 SET_SD_DDR50(sd_card);
1241 else if (func_to_switch == SDR50_SUPPORT)
1242 SET_SD_SDR50(sd_card);
1243 else
1244 SET_SD_HS(sd_card);
1245 }
1246
1247 if (CHK_SD_DDR50(sd_card)) {
1248 RTSX_WRITE_REG(chip, SD_PUSH_POINT_CTL, 0x06, 0x04);
1249 retval = sd_set_sample_push_timing(chip);
1250 if (retval != STATUS_SUCCESS)
1251 TRACE_RET(chip, STATUS_FAIL);
1252 }
1253
1254 if (!func_to_switch || (func_to_switch == HS_SUPPORT)) {
1255 /* Do not try to switch current limit if the card doesn't
1256 * support UHS mode or we don't want it to support UHS mode
1257 */
1258 return STATUS_SUCCESS;
1259 }
1260
1261 /* Function Group 4: Current Limit */
1262 func_to_switch = 0xFF;
1263
1264 for (i = 0; i < 4; i++) {
1265 switch ((u8)(chip->sd_current_prior >> (i*8))) {
1266 case CURRENT_LIMIT_800:
1267 if (sd_card->func_group4_mask & CURRENT_LIMIT_800_MASK)
1268 func_to_switch = CURRENT_LIMIT_800;
1269
1270 break;
1271
1272 case CURRENT_LIMIT_600:
1273 if (sd_card->func_group4_mask & CURRENT_LIMIT_600_MASK)
1274 func_to_switch = CURRENT_LIMIT_600;
1275
1276 break;
1277
1278 case CURRENT_LIMIT_400:
1279 if (sd_card->func_group4_mask & CURRENT_LIMIT_400_MASK)
1280 func_to_switch = CURRENT_LIMIT_400;
1281
1282 break;
1283
1284 case CURRENT_LIMIT_200:
1285 if (sd_card->func_group4_mask & CURRENT_LIMIT_200_MASK)
1286 func_to_switch = CURRENT_LIMIT_200;
1287
1288 break;
1289
1290 default:
1291 continue;
1292 }
1293
1294 if (func_to_switch != 0xFF)
1295 break;
1296 }
1297
1298 RTSX_DEBUGP("SD_FUNC_GROUP_4: func_to_switch = 0x%02x", func_to_switch);
1299
1300 if (func_to_switch <= CURRENT_LIMIT_800) {
1301 retval = sd_check_switch(chip, SD_FUNC_GROUP_4, func_to_switch,
1302 bus_width);
1303 if (retval != STATUS_SUCCESS) {
1304 if (sd_check_err_code(chip, SD_NO_CARD))
1305 TRACE_RET(chip, STATUS_FAIL);
1306 }
1307 RTSX_DEBUGP("Switch current limit finished! (%d)\n", retval);
1308 }
1309
1310 if (CHK_SD_DDR50(sd_card))
1311 RTSX_WRITE_REG(chip, SD_PUSH_POINT_CTL, 0x06, 0);
1312
1313 return STATUS_SUCCESS;
1314}
1315
1316static int sd_wait_data_idle(struct rtsx_chip *chip)
1317{
1318 int retval = STATUS_TIMEDOUT;
1319 int i;
1320 u8 val = 0;
1321
1322 for (i = 0; i < 100; i++) {
1323 RTSX_READ_REG(chip, SD_DATA_STATE, &val);
1324 if (val & SD_DATA_IDLE) {
1325 retval = STATUS_SUCCESS;
1326 break;
1327 }
1328 udelay(100);
1329 }
1330 RTSX_DEBUGP("SD_DATA_STATE: 0x%02x\n", val);
1331
1332 return retval;
1333}
1334
1335static int sd_sdr_tuning_rx_cmd(struct rtsx_chip *chip, u8 sample_point)
1336{
1337 int retval;
1338 u8 cmd[5];
1339
1340 retval = sd_change_phase(chip, sample_point, TUNE_RX);
1341 if (retval != STATUS_SUCCESS)
1342 TRACE_RET(chip, STATUS_FAIL);
1343
1344 cmd[0] = 0x40 | SEND_TUNING_PATTERN;
1345 cmd[1] = 0;
1346 cmd[2] = 0;
1347 cmd[3] = 0;
1348 cmd[4] = 0;
1349
1350 retval = sd_read_data(chip, SD_TM_AUTO_TUNING,
1351 cmd, 5, 0x40, 1, SD_BUS_WIDTH_4, NULL, 0, 100);
1352 if (retval != STATUS_SUCCESS) {
1353 (void)sd_wait_data_idle(chip);
1354
1355 rtsx_clear_sd_error(chip);
1356 TRACE_RET(chip, STATUS_FAIL);
1357 }
1358
1359 return STATUS_SUCCESS;
1360}
1361
1362static int sd_ddr_tuning_rx_cmd(struct rtsx_chip *chip, u8 sample_point)
1363{
1364 struct sd_info *sd_card = &(chip->sd_card);
1365 int retval;
1366 u8 cmd[5];
1367
1368 retval = sd_change_phase(chip, sample_point, TUNE_RX);
1369 if (retval != STATUS_SUCCESS)
1370 TRACE_RET(chip, STATUS_FAIL);
1371
1372 RTSX_DEBUGP("sd ddr tuning rx\n");
1373
1374 retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
1375 SD_RSP_TYPE_R1, NULL, 0);
1376 if (retval != STATUS_SUCCESS)
1377 TRACE_RET(chip, STATUS_FAIL);
1378
1379 cmd[0] = 0x40 | SD_STATUS;
1380 cmd[1] = 0;
1381 cmd[2] = 0;
1382 cmd[3] = 0;
1383 cmd[4] = 0;
1384
1385 retval = sd_read_data(chip, SD_TM_NORMAL_READ,
1386 cmd, 5, 64, 1, SD_BUS_WIDTH_4, NULL, 0, 100);
1387 if (retval != STATUS_SUCCESS) {
1388 (void)sd_wait_data_idle(chip);
1389
1390 rtsx_clear_sd_error(chip);
1391 TRACE_RET(chip, STATUS_FAIL);
1392 }
1393
1394 return STATUS_SUCCESS;
1395}
1396
1397static int mmc_ddr_tunning_rx_cmd(struct rtsx_chip *chip, u8 sample_point)
1398{
1399 struct sd_info *sd_card = &(chip->sd_card);
1400 int retval;
1401 u8 cmd[5], bus_width;
1402
1403 if (CHK_MMC_8BIT(sd_card))
1404 bus_width = SD_BUS_WIDTH_8;
1405 else if (CHK_MMC_4BIT(sd_card))
1406 bus_width = SD_BUS_WIDTH_4;
1407 else
1408 bus_width = SD_BUS_WIDTH_1;
1409
1410 retval = sd_change_phase(chip, sample_point, TUNE_RX);
1411 if (retval != STATUS_SUCCESS)
1412 TRACE_RET(chip, STATUS_FAIL);
1413
1414 RTSX_DEBUGP("mmc ddr tuning rx\n");
1415
1416 cmd[0] = 0x40 | SEND_EXT_CSD;
1417 cmd[1] = 0;
1418 cmd[2] = 0;
1419 cmd[3] = 0;
1420 cmd[4] = 0;
1421
1422 retval = sd_read_data(chip, SD_TM_NORMAL_READ,
1423 cmd, 5, 0x200, 1, bus_width, NULL, 0, 100);
1424 if (retval != STATUS_SUCCESS) {
1425 (void)sd_wait_data_idle(chip);
1426
1427 rtsx_clear_sd_error(chip);
1428 TRACE_RET(chip, STATUS_FAIL);
1429 }
1430
1431 return STATUS_SUCCESS;
1432}
1433
1434static int sd_sdr_tuning_tx_cmd(struct rtsx_chip *chip, u8 sample_point)
1435{
1436 struct sd_info *sd_card = &(chip->sd_card);
1437 int retval;
1438
1439 retval = sd_change_phase(chip, sample_point, TUNE_TX);
1440 if (retval != STATUS_SUCCESS)
1441 TRACE_RET(chip, STATUS_FAIL);
1442
1443 RTSX_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN,
1444 SD_RSP_80CLK_TIMEOUT_EN);
1445
1446 retval = sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
1447 SD_RSP_TYPE_R1, NULL, 0);
1448 if (retval != STATUS_SUCCESS) {
1449 if (sd_check_err_code(chip, SD_RSP_TIMEOUT)) {
1450 rtsx_write_register(chip, SD_CFG3,
1451 SD_RSP_80CLK_TIMEOUT_EN, 0);
1452 TRACE_RET(chip, STATUS_FAIL);
1453 }
1454 }
1455
1456 RTSX_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, 0);
1457
1458 return STATUS_SUCCESS;
1459}
1460
1461static int sd_ddr_tuning_tx_cmd(struct rtsx_chip *chip, u8 sample_point)
1462{
1463 struct sd_info *sd_card = &(chip->sd_card);
1464 int retval;
1465 u8 cmd[5], bus_width;
1466
1467 retval = sd_change_phase(chip, sample_point, TUNE_TX);
1468 if (retval != STATUS_SUCCESS)
1469 TRACE_RET(chip, STATUS_FAIL);
1470
1471 if (CHK_SD(sd_card)) {
1472 bus_width = SD_BUS_WIDTH_4;
1473 } else {
1474 if (CHK_MMC_8BIT(sd_card))
1475 bus_width = SD_BUS_WIDTH_8;
1476 else if (CHK_MMC_4BIT(sd_card))
1477 bus_width = SD_BUS_WIDTH_4;
1478 else
1479 bus_width = SD_BUS_WIDTH_1;
1480 }
1481
1482 retval = sd_wait_state_data_ready(chip, 0x08, 1, 1000);
1483 if (retval != STATUS_SUCCESS)
1484 TRACE_RET(chip, STATUS_FAIL);
1485
1486 RTSX_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN,
1487 SD_RSP_80CLK_TIMEOUT_EN);
1488
1489 cmd[0] = 0x40 | PROGRAM_CSD;
1490 cmd[1] = 0;
1491 cmd[2] = 0;
1492 cmd[3] = 0;
1493 cmd[4] = 0;
1494
1495 retval = sd_write_data(chip, SD_TM_AUTO_WRITE_2,
1496 cmd, 5, 16, 1, bus_width, sd_card->raw_csd, 16, 100);
1497 if (retval != STATUS_SUCCESS) {
1498 rtsx_clear_sd_error(chip);
1499 rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, 0);
1500 TRACE_RET(chip, STATUS_FAIL);
1501 }
1502
1503 RTSX_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, 0);
1504
1505 sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, SD_RSP_TYPE_R1,
1506 NULL, 0);
1507
1508 return STATUS_SUCCESS;
1509}
1510
1511static u8 sd_search_final_phase(struct rtsx_chip *chip, u32 phase_map,
1512 u8 tune_dir)
1513{
1514 struct sd_info *sd_card = &(chip->sd_card);
1515 struct timing_phase_path path[MAX_PHASE + 1];
1516 int i, j, cont_path_cnt;
1517 int new_block, max_len, final_path_idx;
1518 u8 final_phase = 0xFF;
1519
1520 if (phase_map == 0xFFFFFFFF) {
1521 if (tune_dir == TUNE_RX)
1522 final_phase = (u8)chip->sd_default_rx_phase;
1523 else
1524 final_phase = (u8)chip->sd_default_tx_phase;
1525
1526 goto Search_Finish;
1527 }
1528
1529 cont_path_cnt = 0;
1530 new_block = 1;
1531 j = 0;
1532 for (i = 0; i < MAX_PHASE + 1; i++) {
1533 if (phase_map & (1 << i)) {
1534 if (new_block) {
1535 new_block = 0;
1536 j = cont_path_cnt++;
1537 path[j].start = i;
1538 path[j].end = i;
1539 } else {
1540 path[j].end = i;
1541 }
1542 } else {
1543 new_block = 1;
1544 if (cont_path_cnt) {
1545 int idx = cont_path_cnt - 1;
1546 path[idx].len = path[idx].end -
1547 path[idx].start + 1;
1548 path[idx].mid = path[idx].start +
1549 path[idx].len / 2;
1550 }
1551 }
1552 }
1553
1554 if (cont_path_cnt == 0) {
1555 RTSX_DEBUGP("No continuous phase path\n");
1556 goto Search_Finish;
1557 } else {
1558 int idx = cont_path_cnt - 1;
1559 path[idx].len = path[idx].end - path[idx].start + 1;
1560 path[idx].mid = path[idx].start + path[idx].len / 2;
1561 }
1562
1563 if ((path[0].start == 0) &&
1564 (path[cont_path_cnt - 1].end == MAX_PHASE)) {
1565 path[0].start = path[cont_path_cnt - 1].start - MAX_PHASE - 1;
1566 path[0].len += path[cont_path_cnt - 1].len;
1567 path[0].mid = path[0].start + path[0].len / 2;
1568 if (path[0].mid < 0)
1569 path[0].mid += MAX_PHASE + 1;
1570
1571 cont_path_cnt--;
1572 }
1573
1574 max_len = 0;
1575 final_phase = 0;
1576 final_path_idx = 0;
1577 for (i = 0; i < cont_path_cnt; i++) {
1578 if (path[i].len > max_len) {
1579 max_len = path[i].len;
1580 final_phase = (u8)path[i].mid;
1581 final_path_idx = i;
1582 }
1583
1584 RTSX_DEBUGP("path[%d].start = %d\n", i, path[i].start);
1585 RTSX_DEBUGP("path[%d].end = %d\n", i, path[i].end);
1586 RTSX_DEBUGP("path[%d].len = %d\n", i, path[i].len);
1587 RTSX_DEBUGP("path[%d].mid = %d\n", i, path[i].mid);
1588 RTSX_DEBUGP("\n");
1589 }
1590
1591 if (tune_dir == TUNE_TX) {
1592 if (CHK_SD_SDR104(sd_card)) {
1593 if (max_len > 15) {
1594 int temp_mid = (max_len - 16) / 2;
1595 int temp_final_phase =
1596 path[final_path_idx].end -
1597 (max_len - (6 + temp_mid));
1598
1599 if (temp_final_phase < 0)
1600 final_phase = (u8)(temp_final_phase +
1601 MAX_PHASE + 1);
1602 else
1603 final_phase = (u8)temp_final_phase;
1604 }
1605 } else if (CHK_SD_SDR50(sd_card)) {
1606 if (max_len > 12) {
1607 int temp_mid = (max_len - 13) / 2;
1608 int temp_final_phase =
1609 path[final_path_idx].end -
1610 (max_len - (3 + temp_mid));
1611
1612 if (temp_final_phase < 0)
1613 final_phase = (u8)(temp_final_phase +
1614 MAX_PHASE + 1);
1615 else
1616 final_phase = (u8)temp_final_phase;
1617 }
1618 }
1619 }
1620
1621Search_Finish:
1622 RTSX_DEBUGP("Final chosen phase: %d\n", final_phase);
1623 return final_phase;
1624}
1625
1626static int sd_tuning_rx(struct rtsx_chip *chip)
1627{
1628 struct sd_info *sd_card = &(chip->sd_card);
1629 int retval;
1630 int i, j;
1631 u32 raw_phase_map[3], phase_map;
1632 u8 final_phase;
1633 int (*tuning_cmd)(struct rtsx_chip *chip, u8 sample_point);
1634
1635 if (CHK_SD(sd_card)) {
1636 if (CHK_SD_DDR50(sd_card))
1637 tuning_cmd = sd_ddr_tuning_rx_cmd;
1638 else
1639 tuning_cmd = sd_sdr_tuning_rx_cmd;
1640
1641 } else {
1642 if (CHK_MMC_DDR52(sd_card))
1643 tuning_cmd = mmc_ddr_tunning_rx_cmd;
1644 else
1645 TRACE_RET(chip, STATUS_FAIL);
1646 }
1647
1648 for (i = 0; i < 3; i++) {
1649 raw_phase_map[i] = 0;
1650 for (j = MAX_PHASE; j >= 0; j--) {
1651 if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
1652 sd_set_err_code(chip, SD_NO_CARD);
1653 TRACE_RET(chip, STATUS_FAIL);
1654 }
1655
1656 retval = tuning_cmd(chip, (u8)j);
1657 if (retval == STATUS_SUCCESS)
1658 raw_phase_map[i] |= 1 << j;
1659 }
1660 }
1661
1662 phase_map = raw_phase_map[0] & raw_phase_map[1] & raw_phase_map[2];
1663 for (i = 0; i < 3; i++)
1664 RTSX_DEBUGP("RX raw_phase_map[%d] = 0x%08x\n", i,
1665 raw_phase_map[i]);
1666
1667 RTSX_DEBUGP("RX phase_map = 0x%08x\n", phase_map);
1668
1669 final_phase = sd_search_final_phase(chip, phase_map, TUNE_RX);
1670 if (final_phase == 0xFF)
1671 TRACE_RET(chip, STATUS_FAIL);
1672
1673 retval = sd_change_phase(chip, final_phase, TUNE_RX);
1674 if (retval != STATUS_SUCCESS)
1675 TRACE_RET(chip, STATUS_FAIL);
1676
1677 return STATUS_SUCCESS;
1678}
1679
1680static int sd_ddr_pre_tuning_tx(struct rtsx_chip *chip)
1681{
1682 struct sd_info *sd_card = &(chip->sd_card);
1683 int retval;
1684 int i;
1685 u32 phase_map;
1686 u8 final_phase;
1687
1688 RTSX_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN,
1689 SD_RSP_80CLK_TIMEOUT_EN);
1690
1691 phase_map = 0;
1692 for (i = MAX_PHASE; i >= 0; i--) {
1693 if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
1694 sd_set_err_code(chip, SD_NO_CARD);
1695 rtsx_write_register(chip, SD_CFG3,
1696 SD_RSP_80CLK_TIMEOUT_EN, 0);
1697 TRACE_RET(chip, STATUS_FAIL);
1698 }
1699
1700 retval = sd_change_phase(chip, (u8)i, TUNE_TX);
1701 if (retval != STATUS_SUCCESS)
1702 continue;
1703
1704 retval = sd_send_cmd_get_rsp(chip, SEND_STATUS,
1705 sd_card->sd_addr, SD_RSP_TYPE_R1, NULL,
1706 0);
1707 if ((retval == STATUS_SUCCESS) ||
1708 !sd_check_err_code(chip, SD_RSP_TIMEOUT))
1709 phase_map |= 1 << i;
1710 }
1711
1712 RTSX_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, 0);
1713
1714 RTSX_DEBUGP("DDR TX pre tune phase_map = 0x%08x\n", phase_map);
1715
1716 final_phase = sd_search_final_phase(chip, phase_map, TUNE_TX);
1717 if (final_phase == 0xFF)
1718 TRACE_RET(chip, STATUS_FAIL);
1719
1720 retval = sd_change_phase(chip, final_phase, TUNE_TX);
1721 if (retval != STATUS_SUCCESS)
1722 TRACE_RET(chip, STATUS_FAIL);
1723
1724 RTSX_DEBUGP("DDR TX pre tune phase: %d\n", (int)final_phase);
1725
1726 return STATUS_SUCCESS;
1727}
1728
1729static int sd_tuning_tx(struct rtsx_chip *chip)
1730{
1731 struct sd_info *sd_card = &(chip->sd_card);
1732 int retval;
1733 int i, j;
1734 u32 raw_phase_map[3], phase_map;
1735 u8 final_phase;
1736 int (*tuning_cmd)(struct rtsx_chip *chip, u8 sample_point);
1737
1738 if (CHK_SD(sd_card)) {
1739 if (CHK_SD_DDR50(sd_card))
1740 tuning_cmd = sd_ddr_tuning_tx_cmd;
1741 else
1742 tuning_cmd = sd_sdr_tuning_tx_cmd;
1743
1744 } else {
1745 if (CHK_MMC_DDR52(sd_card))
1746 tuning_cmd = sd_ddr_tuning_tx_cmd;
1747 else
1748 TRACE_RET(chip, STATUS_FAIL);
1749 }
1750
1751 for (i = 0; i < 3; i++) {
1752 raw_phase_map[i] = 0;
1753 for (j = MAX_PHASE; j >= 0; j--) {
1754 if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
1755 sd_set_err_code(chip, SD_NO_CARD);
1756 rtsx_write_register(chip, SD_CFG3,
1757 SD_RSP_80CLK_TIMEOUT_EN, 0);
1758 TRACE_RET(chip, STATUS_FAIL);
1759 }
1760
1761 retval = tuning_cmd(chip, (u8)j);
1762 if (retval == STATUS_SUCCESS)
1763 raw_phase_map[i] |= 1 << j;
1764 }
1765 }
1766
1767 phase_map = raw_phase_map[0] & raw_phase_map[1] & raw_phase_map[2];
1768 for (i = 0; i < 3; i++)
1769 RTSX_DEBUGP("TX raw_phase_map[%d] = 0x%08x\n",
1770 i, raw_phase_map[i]);
1771
1772 RTSX_DEBUGP("TX phase_map = 0x%08x\n", phase_map);
1773
1774 final_phase = sd_search_final_phase(chip, phase_map, TUNE_TX);
1775 if (final_phase == 0xFF)
1776 TRACE_RET(chip, STATUS_FAIL);
1777
1778 retval = sd_change_phase(chip, final_phase, TUNE_TX);
1779 if (retval != STATUS_SUCCESS)
1780 TRACE_RET(chip, STATUS_FAIL);
1781
1782 return STATUS_SUCCESS;
1783}
1784
1785static int sd_sdr_tuning(struct rtsx_chip *chip)
1786{
1787 int retval;
1788
1789 retval = sd_tuning_tx(chip);
1790 if (retval != STATUS_SUCCESS)
1791 TRACE_RET(chip, STATUS_FAIL);
1792
1793 retval = sd_tuning_rx(chip);
1794 if (retval != STATUS_SUCCESS)
1795 TRACE_RET(chip, STATUS_FAIL);
1796
1797 return STATUS_SUCCESS;
1798}
1799
1800static int sd_ddr_tuning(struct rtsx_chip *chip)
1801{
1802 int retval;
1803
1804 if (!(chip->sd_ctl & SD_DDR_TX_PHASE_SET_BY_USER)) {
1805 retval = sd_ddr_pre_tuning_tx(chip);
1806 if (retval != STATUS_SUCCESS)
1807 TRACE_RET(chip, STATUS_FAIL);
1808 } else {
1809 retval = sd_change_phase(chip, (u8)chip->sd_ddr_tx_phase,
1810 TUNE_TX);
1811 if (retval != STATUS_SUCCESS)
1812 TRACE_RET(chip, STATUS_FAIL);
1813 }
1814
1815 retval = sd_tuning_rx(chip);
1816 if (retval != STATUS_SUCCESS)
1817 TRACE_RET(chip, STATUS_FAIL);
1818
1819 if (!(chip->sd_ctl & SD_DDR_TX_PHASE_SET_BY_USER)) {
1820 retval = sd_tuning_tx(chip);
1821 if (retval != STATUS_SUCCESS)
1822 TRACE_RET(chip, STATUS_FAIL);
1823 }
1824
1825 return STATUS_SUCCESS;
1826}
1827
1828static int mmc_ddr_tuning(struct rtsx_chip *chip)
1829{
1830 int retval;
1831
1832 if (!(chip->sd_ctl & MMC_DDR_TX_PHASE_SET_BY_USER)) {
1833 retval = sd_ddr_pre_tuning_tx(chip);
1834 if (retval != STATUS_SUCCESS)
1835 TRACE_RET(chip, STATUS_FAIL);
1836 } else {
1837 retval = sd_change_phase(chip, (u8)chip->mmc_ddr_tx_phase,
1838 TUNE_TX);
1839 if (retval != STATUS_SUCCESS)
1840 TRACE_RET(chip, STATUS_FAIL);
1841 }
1842
1843 retval = sd_tuning_rx(chip);
1844 if (retval != STATUS_SUCCESS)
1845 TRACE_RET(chip, STATUS_FAIL);
1846
1847 if (!(chip->sd_ctl & MMC_DDR_TX_PHASE_SET_BY_USER)) {
1848 retval = sd_tuning_tx(chip);
1849 if (retval != STATUS_SUCCESS)
1850 TRACE_RET(chip, STATUS_FAIL);
1851 }
1852
1853 return STATUS_SUCCESS;
1854}
1855
1856int sd_switch_clock(struct rtsx_chip *chip)
1857{
1858 struct sd_info *sd_card = &(chip->sd_card);
1859 int retval;
1860 int re_tuning = 0;
1861
1862 retval = select_card(chip, SD_CARD);
1863 if (retval != STATUS_SUCCESS)
1864 TRACE_RET(chip, STATUS_FAIL);
1865
1866 retval = switch_clock(chip, sd_card->sd_clock);
1867 if (retval != STATUS_SUCCESS)
1868 TRACE_RET(chip, STATUS_FAIL);
1869
1870 if (re_tuning) {
1871 if (CHK_SD(sd_card)) {
1872 if (CHK_SD_DDR50(sd_card))
1873 retval = sd_ddr_tuning(chip);
1874 else
1875 retval = sd_sdr_tuning(chip);
1876 } else {
1877 if (CHK_MMC_DDR52(sd_card))
1878 retval = mmc_ddr_tuning(chip);
1879 }
1880
1881 if (retval != STATUS_SUCCESS)
1882 TRACE_RET(chip, STATUS_FAIL);
1883 }
1884
1885 return STATUS_SUCCESS;
1886}
1887
1888static int sd_prepare_reset(struct rtsx_chip *chip)
1889{
1890 struct sd_info *sd_card = &(chip->sd_card);
1891 int retval;
1892
1893 if (chip->asic_code)
1894 sd_card->sd_clock = 29;
1895 else
1896 sd_card->sd_clock = CLK_30;
1897
1898 sd_card->sd_type = 0;
1899 sd_card->seq_mode = 0;
1900 sd_card->sd_data_buf_ready = 0;
1901 sd_card->capacity = 0;
1902
1903#ifdef SUPPORT_SD_LOCK
1904 sd_card->sd_lock_status = 0;
1905 sd_card->sd_erase_status = 0;
1906#endif
1907
1908 chip->capacity[chip->card2lun[SD_CARD]] = 0;
1909 chip->sd_io = 0;
1910
1911 retval = sd_set_init_para(chip);
1912 if (retval != STATUS_SUCCESS)
1913 TRACE_RET(chip, retval);
1914
1915 RTSX_WRITE_REG(chip, REG_SD_CFG1, 0xFF, 0x40);
1916
1917 RTSX_WRITE_REG(chip, CARD_STOP, SD_STOP | SD_CLR_ERR,
1918 SD_STOP | SD_CLR_ERR);
1919
1920 retval = select_card(chip, SD_CARD);
1921 if (retval != STATUS_SUCCESS)
1922 TRACE_RET(chip, STATUS_FAIL);
1923
1924 return STATUS_SUCCESS;
1925}
1926
1927static int sd_pull_ctl_disable(struct rtsx_chip *chip)
1928{
1929 if (CHECK_PID(chip, 0x5208)) {
1930 RTSX_WRITE_REG(chip, CARD_PULL_CTL1, 0xFF,
1931 XD_D3_PD | SD_D7_PD | SD_CLK_PD | SD_D5_PD);
1932 RTSX_WRITE_REG(chip, CARD_PULL_CTL2, 0xFF,
1933 SD_D6_PD | SD_D0_PD | SD_D1_PD | XD_D5_PD);
1934 RTSX_WRITE_REG(chip, CARD_PULL_CTL3, 0xFF,
1935 SD_D4_PD | XD_CE_PD | XD_CLE_PD | XD_CD_PU);
1936 RTSX_WRITE_REG(chip, CARD_PULL_CTL4, 0xFF,
1937 XD_RDY_PD | SD_D3_PD | SD_D2_PD | XD_ALE_PD);
1938 RTSX_WRITE_REG(chip, CARD_PULL_CTL5, 0xFF,
1939 MS_INS_PU | SD_WP_PD | SD_CD_PU | SD_CMD_PD);
1940 RTSX_WRITE_REG(chip, CARD_PULL_CTL6, 0xFF, MS_D5_PD | MS_D4_PD);
1941 } else if (CHECK_PID(chip, 0x5288)) {
1942 if (CHECK_BARO_PKG(chip, QFN)) {
1943 RTSX_WRITE_REG(chip, CARD_PULL_CTL1, 0xFF, 0x55);
1944 RTSX_WRITE_REG(chip, CARD_PULL_CTL2, 0xFF, 0x55);
1945 RTSX_WRITE_REG(chip, CARD_PULL_CTL3, 0xFF, 0x4B);
1946 RTSX_WRITE_REG(chip, CARD_PULL_CTL4, 0xFF, 0x69);
1947 }
1948 }
1949
1950 return STATUS_SUCCESS;
1951}
1952
1953int sd_pull_ctl_enable(struct rtsx_chip *chip)
1954{
1955 int retval;
1956
1957 rtsx_init_cmd(chip);
1958
1959 if (CHECK_PID(chip, 0x5208)) {
1960 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF,
1961 XD_D3_PD | SD_DAT7_PU | SD_CLK_NP | SD_D5_PU);
1962 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF,
1963 SD_D6_PU | SD_D0_PU | SD_D1_PU | XD_D5_PD);
1964 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF,
1965 SD_D4_PU | XD_CE_PD | XD_CLE_PD | XD_CD_PU);
1966 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF,
1967 XD_RDY_PD | SD_D3_PU | SD_D2_PU | XD_ALE_PD);
1968 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF,
1969 MS_INS_PU | SD_WP_PU | SD_CD_PU | SD_CMD_PU);
1970 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF,
1971 MS_D5_PD | MS_D4_PD);
1972 } else if (CHECK_PID(chip, 0x5288)) {
1973 if (CHECK_BARO_PKG(chip, QFN)) {
1974 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF,
1975 0xA8);
1976 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF,
1977 0x5A);
1978 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF,
1979 0x95);
1980 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF,
1981 0xAA);
1982 }
1983 }
1984
1985 retval = rtsx_send_cmd(chip, SD_CARD, 100);
1986 if (retval < 0)
1987 TRACE_RET(chip, STATUS_FAIL);
1988
1989 return STATUS_SUCCESS;
1990}
1991
1992static int sd_init_power(struct rtsx_chip *chip)
1993{
1994 int retval;
1995
1996 retval = sd_power_off_card3v3(chip);
1997 if (retval != STATUS_SUCCESS)
1998 TRACE_RET(chip, STATUS_FAIL);
1999
2000 if (!chip->ft2_fast_mode)
2001 wait_timeout(250);
2002
2003 retval = enable_card_clock(chip, SD_CARD);
2004 if (retval != STATUS_SUCCESS)
2005 TRACE_RET(chip, STATUS_FAIL);
2006
2007 if (chip->asic_code) {
2008 retval = sd_pull_ctl_enable(chip);
2009 if (retval != STATUS_SUCCESS)
2010 TRACE_RET(chip, STATUS_FAIL);
2011 } else {
2012 RTSX_WRITE_REG(chip, FPGA_PULL_CTL, FPGA_SD_PULL_CTL_BIT | 0x20,
2013 0);
2014 }
2015
2016 if (!chip->ft2_fast_mode) {
2017 retval = card_power_on(chip, SD_CARD);
2018 if (retval != STATUS_SUCCESS)
2019 TRACE_RET(chip, STATUS_FAIL);
2020
2021 wait_timeout(260);
2022
2023#ifdef SUPPORT_OCP
2024 if (chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER)) {
2025 RTSX_DEBUGP("Over current, OCPSTAT is 0x%x\n",
2026 chip->ocp_stat);
2027 TRACE_RET(chip, STATUS_FAIL);
2028 }
2029#endif
2030 }
2031
2032 RTSX_WRITE_REG(chip, CARD_OE, SD_OUTPUT_EN, SD_OUTPUT_EN);
2033
2034 return STATUS_SUCCESS;
2035}
2036
2037static int sd_dummy_clock(struct rtsx_chip *chip)
2038{
2039 RTSX_WRITE_REG(chip, REG_SD_CFG3, 0x01, 0x01);
2040 wait_timeout(5);
2041 RTSX_WRITE_REG(chip, REG_SD_CFG3, 0x01, 0);
2042
2043 return STATUS_SUCCESS;
2044}
2045
2046static int sd_read_lba0(struct rtsx_chip *chip)
2047{
2048 struct sd_info *sd_card = &(chip->sd_card);
2049 int retval;
2050 u8 cmd[5], bus_width;
2051
2052 cmd[0] = 0x40 | READ_SINGLE_BLOCK;
2053 cmd[1] = 0;
2054 cmd[2] = 0;
2055 cmd[3] = 0;
2056 cmd[4] = 0;
2057
2058 if (CHK_SD(sd_card)) {
2059 bus_width = SD_BUS_WIDTH_4;
2060 } else {
2061 if (CHK_MMC_8BIT(sd_card))
2062 bus_width = SD_BUS_WIDTH_8;
2063 else if (CHK_MMC_4BIT(sd_card))
2064 bus_width = SD_BUS_WIDTH_4;
2065 else
2066 bus_width = SD_BUS_WIDTH_1;
2067 }
2068
2069 retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd,
2070 5, 512, 1, bus_width, NULL, 0, 100);
2071 if (retval != STATUS_SUCCESS) {
2072 rtsx_clear_sd_error(chip);
2073 TRACE_RET(chip, STATUS_FAIL);
2074 }
2075
2076 return STATUS_SUCCESS;
2077}
2078
2079static int sd_check_wp_state(struct rtsx_chip *chip)
2080{
2081 struct sd_info *sd_card = &(chip->sd_card);
2082 int retval;
2083 u32 val;
2084 u16 sd_card_type;
2085 u8 cmd[5], buf[64];
2086
2087 retval = sd_send_cmd_get_rsp(chip, APP_CMD,
2088 sd_card->sd_addr, SD_RSP_TYPE_R1, NULL, 0);
2089 if (retval != STATUS_SUCCESS)
2090 TRACE_RET(chip, STATUS_FAIL);
2091
2092 cmd[0] = 0x40 | SD_STATUS;
2093 cmd[1] = 0;
2094 cmd[2] = 0;
2095 cmd[3] = 0;
2096 cmd[4] = 0;
2097
2098 retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 64, 1,
2099 SD_BUS_WIDTH_4, buf, 64, 250);
2100 if (retval != STATUS_SUCCESS) {
2101 rtsx_clear_sd_error(chip);
2102
2103 sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
2104 SD_RSP_TYPE_R1, NULL, 0);
2105 TRACE_RET(chip, STATUS_FAIL);
2106 }
2107
2108 RTSX_DEBUGP("ACMD13:\n");
2109 RTSX_DUMP(buf, 64);
2110
2111 sd_card_type = ((u16)buf[2] << 8) | buf[3];
2112 RTSX_DEBUGP("sd_card_type = 0x%04x\n", sd_card_type);
2113 if ((sd_card_type == 0x0001) || (sd_card_type == 0x0002)) {
2114 /* ROM card or OTP */
2115 chip->card_wp |= SD_CARD;
2116 }
2117
2118 /* Check SD Machanical Write-Protect Switch */
2119 val = rtsx_readl(chip, RTSX_BIPR);
2120 if (val & SD_WRITE_PROTECT)
2121 chip->card_wp |= SD_CARD;
2122
2123 return STATUS_SUCCESS;
2124}
2125
2126static int reset_sd(struct rtsx_chip *chip)
2127{
2128 struct sd_info *sd_card = &(chip->sd_card);
2129 int retval, i = 0, j = 0, k = 0, hi_cap_flow = 0;
2130 int sd_dont_switch = 0;
2131 int support_1v8 = 0;
2132 int try_sdio = 1;
2133 u8 rsp[16];
2134 u8 switch_bus_width;
2135 u32 voltage = 0;
2136 int sd20_mode = 0;
2137
2138 SET_SD(sd_card);
2139
2140Switch_Fail:
2141
2142 i = 0;
2143 j = 0;
2144 k = 0;
2145 hi_cap_flow = 0;
2146
2147#ifdef SUPPORT_SD_LOCK
2148 if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON)
2149 goto SD_UNLOCK_ENTRY;
2150#endif
2151
2152 retval = sd_prepare_reset(chip);
2153 if (retval != STATUS_SUCCESS)
2154 TRACE_RET(chip, STATUS_FAIL);
2155
2156 retval = sd_dummy_clock(chip);
2157 if (retval != STATUS_SUCCESS)
2158 TRACE_RET(chip, STATUS_FAIL);
2159
2160 if (CHK_SDIO_EXIST(chip) && !CHK_SDIO_IGNORED(chip) && try_sdio) {
2161 int rty_cnt = 0;
2162
2163 for (; rty_cnt < chip->sdio_retry_cnt; rty_cnt++) {
2164 if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
2165 sd_set_err_code(chip, SD_NO_CARD);
2166 TRACE_RET(chip, STATUS_FAIL);
2167 }
2168
2169 retval = sd_send_cmd_get_rsp(chip, IO_SEND_OP_COND, 0,
2170 SD_RSP_TYPE_R4, rsp, 5);
2171 if (retval == STATUS_SUCCESS) {
2172 int func_num = (rsp[1] >> 4) & 0x07;
2173 if (func_num) {
2174 RTSX_DEBUGP("SD_IO card (Function number: %d)!\n", func_num);
2175 chip->sd_io = 1;
2176 TRACE_RET(chip, STATUS_FAIL);
2177 }
2178
2179 break;
2180 }
2181
2182 sd_init_power(chip);
2183
2184 sd_dummy_clock(chip);
2185 }
2186
2187 RTSX_DEBUGP("Normal card!\n");
2188 }
2189
2190 /* Start Initialization Process of SD Card */
2191RTY_SD_RST:
2192 retval = sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0, SD_RSP_TYPE_R0,
2193 NULL, 0);
2194 if (retval != STATUS_SUCCESS)
2195 TRACE_RET(chip, STATUS_FAIL);
2196
2197 wait_timeout(20);
2198
2199 retval = sd_send_cmd_get_rsp(chip, SEND_IF_COND, 0x000001AA,
2200 SD_RSP_TYPE_R7, rsp, 5);
2201 if (retval == STATUS_SUCCESS) {
2202 if ((rsp[4] == 0xAA) && ((rsp[3] & 0x0f) == 0x01)) {
2203 hi_cap_flow = 1;
2204 voltage = SUPPORT_VOLTAGE | 0x40000000;
2205 }
2206 }
2207
2208 if (!hi_cap_flow) {
2209 voltage = SUPPORT_VOLTAGE;
2210
2211 retval = sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0,
2212 SD_RSP_TYPE_R0, NULL, 0);
2213 if (retval != STATUS_SUCCESS)
2214 TRACE_RET(chip, STATUS_FAIL);
2215
2216 wait_timeout(20);
2217 }
2218
2219 do {
2220 retval = sd_send_cmd_get_rsp(chip, APP_CMD, 0, SD_RSP_TYPE_R1,
2221 NULL, 0);
2222 if (retval != STATUS_SUCCESS) {
2223 if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
2224 sd_set_err_code(chip, SD_NO_CARD);
2225 TRACE_RET(chip, STATUS_FAIL);
2226 }
2227
2228 j++;
2229 if (j < 3)
2230 goto RTY_SD_RST;
2231 else
2232 TRACE_RET(chip, STATUS_FAIL);
2233 }
2234
2235 retval = sd_send_cmd_get_rsp(chip, SD_APP_OP_COND, voltage,
2236 SD_RSP_TYPE_R3, rsp, 5);
2237 if (retval != STATUS_SUCCESS) {
2238 k++;
2239 if (k < 3)
2240 goto RTY_SD_RST;
2241 else
2242 TRACE_RET(chip, STATUS_FAIL);
2243 }
2244
2245 i++;
2246 wait_timeout(20);
2247 } while (!(rsp[1] & 0x80) && (i < 255));
2248
2249 if (i == 255)
2250 TRACE_RET(chip, STATUS_FAIL);
2251
2252 if (hi_cap_flow) {
2253 if (rsp[1] & 0x40)
2254 SET_SD_HCXC(sd_card);
2255 else
2256 CLR_SD_HCXC(sd_card);
2257
2258 support_1v8 = 0;
2259 } else {
2260 CLR_SD_HCXC(sd_card);
2261 support_1v8 = 0;
2262 }
2263 RTSX_DEBUGP("support_1v8 = %d\n", support_1v8);
2264
2265 if (support_1v8) {
2266 retval = sd_voltage_switch(chip);
2267 if (retval != STATUS_SUCCESS)
2268 TRACE_RET(chip, STATUS_FAIL);
2269 }
2270
2271 retval = sd_send_cmd_get_rsp(chip, ALL_SEND_CID, 0, SD_RSP_TYPE_R2,
2272 NULL, 0);
2273 if (retval != STATUS_SUCCESS)
2274 TRACE_RET(chip, STATUS_FAIL);
2275
2276 for (i = 0; i < 3; i++) {
2277 retval = sd_send_cmd_get_rsp(chip, SEND_RELATIVE_ADDR, 0,
2278 SD_RSP_TYPE_R6, rsp, 5);
2279 if (retval != STATUS_SUCCESS)
2280 TRACE_RET(chip, STATUS_FAIL);
2281
2282 sd_card->sd_addr = (u32)rsp[1] << 24;
2283 sd_card->sd_addr += (u32)rsp[2] << 16;
2284
2285 if (sd_card->sd_addr)
2286 break;
2287 }
2288
2289 retval = sd_check_csd(chip, 1);
2290 if (retval != STATUS_SUCCESS)
2291 TRACE_RET(chip, STATUS_FAIL);
2292
2293 retval = sd_select_card(chip, 1);
2294 if (retval != STATUS_SUCCESS)
2295 TRACE_RET(chip, STATUS_FAIL);
2296
2297#ifdef SUPPORT_SD_LOCK
2298SD_UNLOCK_ENTRY:
2299 retval = sd_update_lock_status(chip);
2300 if (retval != STATUS_SUCCESS)
2301 TRACE_RET(chip, STATUS_FAIL);
2302
2303 if (sd_card->sd_lock_status & SD_LOCKED) {
2304 sd_card->sd_lock_status |= (SD_LOCK_1BIT_MODE | SD_PWD_EXIST);
2305 return STATUS_SUCCESS;
2306 } else if (!(sd_card->sd_lock_status & SD_UNLOCK_POW_ON)) {
2307 sd_card->sd_lock_status &= ~SD_PWD_EXIST;
2308 }
2309#endif
2310
2311 retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
2312 SD_RSP_TYPE_R1, NULL, 0);
2313 if (retval != STATUS_SUCCESS)
2314 TRACE_RET(chip, STATUS_FAIL);
2315
2316 retval = sd_send_cmd_get_rsp(chip, SET_CLR_CARD_DETECT, 0,
2317 SD_RSP_TYPE_R1, NULL, 0);
2318 if (retval != STATUS_SUCCESS)
2319 TRACE_RET(chip, STATUS_FAIL);
2320
2321 if (support_1v8) {
2322 retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
2323 SD_RSP_TYPE_R1, NULL, 0);
2324 if (retval != STATUS_SUCCESS)
2325 TRACE_RET(chip, STATUS_FAIL);
2326
2327 retval = sd_send_cmd_get_rsp(chip, SET_BUS_WIDTH, 2,
2328 SD_RSP_TYPE_R1, NULL, 0);
2329 if (retval != STATUS_SUCCESS)
2330 TRACE_RET(chip, STATUS_FAIL);
2331
2332 switch_bus_width = SD_BUS_WIDTH_4;
2333 } else {
2334 switch_bus_width = SD_BUS_WIDTH_1;
2335 }
2336
2337 retval = sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, SD_RSP_TYPE_R1,
2338 NULL, 0);
2339 if (retval != STATUS_SUCCESS)
2340 TRACE_RET(chip, STATUS_FAIL);
2341
2342 retval = sd_set_clock_divider(chip, SD_CLK_DIVIDE_0);
2343 if (retval != STATUS_SUCCESS)
2344 TRACE_RET(chip, STATUS_FAIL);
2345
2346 if (!(sd_card->raw_csd[4] & 0x40))
2347 sd_dont_switch = 1;
2348
2349 if (!sd_dont_switch) {
2350 if (sd20_mode) {
2351 /* Set sd_switch_fail here, because we needn't
2352 * switch to UHS mode
2353 */
2354 sd_card->sd_switch_fail = SDR104_SUPPORT_MASK |
2355 DDR50_SUPPORT_MASK | SDR50_SUPPORT_MASK;
2356 }
2357
2358 /* Check the card whether follow SD1.1 spec or higher */
2359 retval = sd_check_spec(chip, switch_bus_width);
2360 if (retval == STATUS_SUCCESS) {
2361 retval = sd_switch_function(chip, switch_bus_width);
2362 if (retval != STATUS_SUCCESS) {
2363 sd_init_power(chip);
2364 sd_dont_switch = 1;
2365 try_sdio = 0;
2366
2367 goto Switch_Fail;
2368 }
2369 } else {
2370 if (support_1v8) {
2371 sd_init_power(chip);
2372 sd_dont_switch = 1;
2373 try_sdio = 0;
2374
2375 goto Switch_Fail;
2376 }
2377 }
2378 }
2379
2380 if (!support_1v8) {
2381 retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
2382 SD_RSP_TYPE_R1, NULL, 0);
2383 if (retval != STATUS_SUCCESS)
2384 TRACE_RET(chip, STATUS_FAIL);
2385
2386 retval = sd_send_cmd_get_rsp(chip, SET_BUS_WIDTH, 2,
2387 SD_RSP_TYPE_R1, NULL, 0);
2388 if (retval != STATUS_SUCCESS)
2389 TRACE_RET(chip, STATUS_FAIL);
2390 }
2391
2392#ifdef SUPPORT_SD_LOCK
2393 sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE;
2394#endif
2395
2396 if (!sd20_mode && CHK_SD30_SPEED(sd_card)) {
2397 int read_lba0 = 1;
2398
2399 RTSX_WRITE_REG(chip, SD30_DRIVE_SEL, 0x07,
2400 chip->sd30_drive_sel_1v8);
2401
2402 retval = sd_set_init_para(chip);
2403 if (retval != STATUS_SUCCESS)
2404 TRACE_RET(chip, STATUS_FAIL);
2405
2406 if (CHK_SD_DDR50(sd_card))
2407 retval = sd_ddr_tuning(chip);
2408 else
2409 retval = sd_sdr_tuning(chip);
2410
2411 if (retval != STATUS_SUCCESS) {
2412 if (sd20_mode) {
2413 TRACE_RET(chip, STATUS_FAIL);
2414 } else {
2415 retval = sd_init_power(chip);
2416 if (retval != STATUS_SUCCESS)
2417 TRACE_RET(chip, STATUS_FAIL);
2418
2419 try_sdio = 0;
2420 sd20_mode = 1;
2421 goto Switch_Fail;
2422 }
2423 }
2424
2425 sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
2426 SD_RSP_TYPE_R1, NULL, 0);
2427
2428 if (CHK_SD_DDR50(sd_card)) {
2429 retval = sd_wait_state_data_ready(chip, 0x08, 1, 1000);
2430 if (retval != STATUS_SUCCESS)
2431 read_lba0 = 0;
2432 }
2433
2434 if (read_lba0) {
2435 retval = sd_read_lba0(chip);
2436 if (retval != STATUS_SUCCESS) {
2437 if (sd20_mode) {
2438 TRACE_RET(chip, STATUS_FAIL);
2439 } else {
2440 retval = sd_init_power(chip);
2441 if (retval != STATUS_SUCCESS)
2442 TRACE_RET(chip, STATUS_FAIL);
2443
2444 try_sdio = 0;
2445 sd20_mode = 1;
2446 goto Switch_Fail;
2447 }
2448 }
2449 }
2450 }
2451
2452 retval = sd_check_wp_state(chip);
2453 if (retval != STATUS_SUCCESS)
2454 TRACE_RET(chip, STATUS_FAIL);
2455
2456 chip->card_bus_width[chip->card2lun[SD_CARD]] = 4;
2457
2458#ifdef SUPPORT_SD_LOCK
2459 if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON) {
2460 RTSX_WRITE_REG(chip, REG_SD_BLOCK_CNT_H, 0xFF, 0x02);
2461 RTSX_WRITE_REG(chip, REG_SD_BLOCK_CNT_L, 0xFF, 0x00);
2462 }
2463#endif
2464
2465 return STATUS_SUCCESS;
2466}
2467
2468
2469static int mmc_test_switch_bus(struct rtsx_chip *chip, u8 width)
2470{
2471 struct sd_info *sd_card = &(chip->sd_card);
2472 int retval;
2473 u8 buf[8] = {0}, bus_width, *ptr;
2474 u16 byte_cnt;
2475 int len;
2476
2477 retval = sd_send_cmd_get_rsp(chip, BUSTEST_W, 0, SD_RSP_TYPE_R1, NULL,
2478 0);
2479 if (retval != STATUS_SUCCESS)
2480 TRACE_RET(chip, SWITCH_FAIL);
2481
2482 if (width == MMC_8BIT_BUS) {
2483 buf[0] = 0x55;
2484 buf[1] = 0xAA;
2485 len = 8;
2486 byte_cnt = 8;
2487 bus_width = SD_BUS_WIDTH_8;
2488 } else {
2489 buf[0] = 0x5A;
2490 len = 4;
2491 byte_cnt = 4;
2492 bus_width = SD_BUS_WIDTH_4;
2493 }
2494
2495 retval = rtsx_write_register(chip, REG_SD_CFG3, 0x02, 0x02);
2496 if (retval != STATUS_SUCCESS)
2497 TRACE_RET(chip, SWITCH_ERR);
2498
2499 retval = sd_write_data(chip, SD_TM_AUTO_WRITE_3,
2500 NULL, 0, byte_cnt, 1, bus_width, buf, len, 100);
2501 if (retval != STATUS_SUCCESS) {
2502 rtsx_clear_sd_error(chip);
2503 rtsx_write_register(chip, REG_SD_CFG3, 0x02, 0);
2504 TRACE_RET(chip, SWITCH_ERR);
2505 }
2506
2507 retval = rtsx_write_register(chip, REG_SD_CFG3, 0x02, 0);
2508 if (retval != STATUS_SUCCESS)
2509 TRACE_RET(chip, SWITCH_ERR);
2510
2511 RTSX_DEBUGP("SD/MMC CMD %d\n", BUSTEST_R);
2512
2513 rtsx_init_cmd(chip);
2514
2515 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF, 0x40 | BUSTEST_R);
2516
2517 if (width == MMC_8BIT_BUS)
2518 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L,
2519 0xFF, 0x08);
2520 else
2521 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L,
2522 0xFF, 0x04);
2523
2524 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF, 1);
2525 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF, 0);
2526
2527 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF,
2528 SD_CALCULATE_CRC7 | SD_NO_CHECK_CRC16 | SD_NO_WAIT_BUSY_END|
2529 SD_CHECK_CRC7 | SD_RSP_LEN_6);
2530 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
2531 PINGPONG_BUFFER);
2532 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
2533 SD_TM_NORMAL_READ | SD_TRANSFER_START);
2534 rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END,
2535 SD_TRANSFER_END);
2536
2537 rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2, 0, 0);
2538 if (width == MMC_8BIT_BUS)
2539 rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 1, 0, 0);
2540
2541 retval = rtsx_send_cmd(chip, SD_CARD, 100);
2542 if (retval < 0) {
2543 rtsx_clear_sd_error(chip);
2544 TRACE_RET(chip, SWITCH_ERR);
2545 }
2546
2547 ptr = rtsx_get_cmd_data(chip) + 1;
2548
2549 if (width == MMC_8BIT_BUS) {
2550 RTSX_DEBUGP("BUSTEST_R [8bits]: 0x%02x 0x%02x\n", ptr[0],
2551 ptr[1]);
2552 if ((ptr[0] == 0xAA) && (ptr[1] == 0x55)) {
2553 u8 rsp[5];
2554 u32 arg;
2555
2556 if (CHK_MMC_DDR52(sd_card))
2557 arg = 0x03B70600;
2558 else
2559 arg = 0x03B70200;
2560
2561 retval = sd_send_cmd_get_rsp(chip, SWITCH, arg,
2562 SD_RSP_TYPE_R1b, rsp, 5);
2563 if ((retval == STATUS_SUCCESS) &&
2564 !(rsp[4] & MMC_SWITCH_ERR))
2565 return SWITCH_SUCCESS;
2566 }
2567 } else {
2568 RTSX_DEBUGP("BUSTEST_R [4bits]: 0x%02x\n", ptr[0]);
2569 if (ptr[0] == 0xA5) {
2570 u8 rsp[5];
2571 u32 arg;
2572
2573 if (CHK_MMC_DDR52(sd_card))
2574 arg = 0x03B70500;
2575 else
2576 arg = 0x03B70100;
2577
2578 retval = sd_send_cmd_get_rsp(chip, SWITCH, arg,
2579 SD_RSP_TYPE_R1b, rsp, 5);
2580 if ((retval == STATUS_SUCCESS) &&
2581 !(rsp[4] & MMC_SWITCH_ERR))
2582 return SWITCH_SUCCESS;
2583 }
2584 }
2585
2586 TRACE_RET(chip, SWITCH_FAIL);
2587}
2588
2589
2590static int mmc_switch_timing_bus(struct rtsx_chip *chip, int switch_ddr)
2591{
2592 struct sd_info *sd_card = &(chip->sd_card);
2593 int retval;
2594 u8 *ptr, card_type, card_type_mask = 0;
2595
2596 CLR_MMC_HS(sd_card);
2597
2598 RTSX_DEBUGP("SD/MMC CMD %d\n", SEND_EXT_CSD);
2599
2600 rtsx_init_cmd(chip);
2601
2602 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF,
2603 0x40 | SEND_EXT_CSD);
2604 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF, 0);
2605 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF, 0);
2606 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF, 0);
2607 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF, 0);
2608
2609 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF, 0);
2610 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF, 2);
2611 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF, 1);
2612 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF, 0);
2613
2614 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF,
2615 SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | SD_NO_WAIT_BUSY_END|
2616 SD_CHECK_CRC7 | SD_RSP_LEN_6);
2617 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
2618 PINGPONG_BUFFER);
2619 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
2620 SD_TM_NORMAL_READ | SD_TRANSFER_START);
2621 rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END,
2622 SD_TRANSFER_END);
2623
2624 rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 196, 0xFF, 0);
2625 rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 212, 0xFF, 0);
2626 rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 213, 0xFF, 0);
2627 rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 214, 0xFF, 0);
2628 rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 215, 0xFF, 0);
2629
2630 retval = rtsx_send_cmd(chip, SD_CARD, 1000);
2631 if (retval < 0) {
2632 if (retval == -ETIMEDOUT) {
2633 rtsx_clear_sd_error(chip);
2634 sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
2635 SD_RSP_TYPE_R1, NULL, 0);
2636 }
2637 TRACE_RET(chip, STATUS_FAIL);
2638 }
2639
2640 ptr = rtsx_get_cmd_data(chip);
2641 if (ptr[0] & SD_TRANSFER_ERR) {
2642 sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
2643 SD_RSP_TYPE_R1, NULL, 0);
2644 TRACE_RET(chip, STATUS_FAIL);
2645 }
2646
2647 if (CHK_MMC_SECTOR_MODE(sd_card)) {
2648 sd_card->capacity = ((u32)ptr[5] << 24) | ((u32)ptr[4] << 16) |
2649 ((u32)ptr[3] << 8) | ((u32)ptr[2]);
2650 }
2651
2652 card_type_mask = 0x03;
2653 card_type = ptr[1] & card_type_mask;
2654 if (card_type) {
2655 u8 rsp[5];
2656
2657 if (card_type & 0x04) {
2658 if (switch_ddr)
2659 SET_MMC_DDR52(sd_card);
2660 else
2661 SET_MMC_52M(sd_card);
2662 } else if (card_type & 0x02) {
2663 SET_MMC_52M(sd_card);
2664 } else {
2665 SET_MMC_26M(sd_card);
2666 }
2667
2668 retval = sd_send_cmd_get_rsp(chip, SWITCH,
2669 0x03B90100, SD_RSP_TYPE_R1b, rsp, 5);
2670 if ((retval != STATUS_SUCCESS) || (rsp[4] & MMC_SWITCH_ERR))
2671 CLR_MMC_HS(sd_card);
2672 }
2673
2674 sd_choose_proper_clock(chip);
2675 retval = switch_clock(chip, sd_card->sd_clock);
2676 if (retval != STATUS_SUCCESS)
2677 TRACE_RET(chip, STATUS_FAIL);
2678
2679 /* Test Bus Procedure */
2680 retval = mmc_test_switch_bus(chip, MMC_8BIT_BUS);
2681 if (retval == SWITCH_SUCCESS) {
2682 SET_MMC_8BIT(sd_card);
2683 chip->card_bus_width[chip->card2lun[SD_CARD]] = 8;
2684#ifdef SUPPORT_SD_LOCK
2685 sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE;
2686#endif
2687 } else if (retval == SWITCH_FAIL) {
2688 retval = mmc_test_switch_bus(chip, MMC_4BIT_BUS);
2689 if (retval == SWITCH_SUCCESS) {
2690 SET_MMC_4BIT(sd_card);
2691 chip->card_bus_width[chip->card2lun[SD_CARD]] = 4;
2692#ifdef SUPPORT_SD_LOCK
2693 sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE;
2694#endif
2695 } else if (retval == SWITCH_FAIL) {
2696 CLR_MMC_8BIT(sd_card);
2697 CLR_MMC_4BIT(sd_card);
2698 } else {
2699 TRACE_RET(chip, STATUS_FAIL);
2700 }
2701 } else {
2702 TRACE_RET(chip, STATUS_FAIL);
2703 }
2704
2705 return STATUS_SUCCESS;
2706}
2707
2708
2709static int reset_mmc(struct rtsx_chip *chip)
2710{
2711 struct sd_info *sd_card = &(chip->sd_card);
2712 int retval, i = 0, j = 0, k = 0;
2713 int switch_ddr = 1;
2714 u8 rsp[16];
2715 u8 spec_ver = 0;
2716 u32 temp;
2717
2718#ifdef SUPPORT_SD_LOCK
2719 if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON)
2720 goto MMC_UNLOCK_ENTRY;
2721#endif
2722
2723Switch_Fail:
2724 retval = sd_prepare_reset(chip);
2725 if (retval != STATUS_SUCCESS)
2726 TRACE_RET(chip, retval);
2727
2728 SET_MMC(sd_card);
2729
2730RTY_MMC_RST:
2731 retval = sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0, SD_RSP_TYPE_R0,
2732 NULL, 0);
2733 if (retval != STATUS_SUCCESS)
2734 TRACE_RET(chip, STATUS_FAIL);
2735
2736 do {
2737 if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
2738 sd_set_err_code(chip, SD_NO_CARD);
2739 TRACE_RET(chip, STATUS_FAIL);
2740 }
2741
2742 retval = sd_send_cmd_get_rsp(chip, SEND_OP_COND,
2743 (SUPPORT_VOLTAGE | 0x40000000),
2744 SD_RSP_TYPE_R3, rsp, 5);
2745 if (retval != STATUS_SUCCESS) {
2746 if (sd_check_err_code(chip, SD_BUSY) ||
2747 sd_check_err_code(chip, SD_TO_ERR)) {
2748 k++;
2749 if (k < 20) {
2750 sd_clr_err_code(chip);
2751 goto RTY_MMC_RST;
2752 } else {
2753 TRACE_RET(chip, STATUS_FAIL);
2754 }
2755 } else {
2756 j++;
2757 if (j < 100) {
2758 sd_clr_err_code(chip);
2759 goto RTY_MMC_RST;
2760 } else {
2761 TRACE_RET(chip, STATUS_FAIL);
2762 }
2763 }
2764 }
2765
2766 wait_timeout(20);
2767 i++;
2768 } while (!(rsp[1] & 0x80) && (i < 255));
2769
2770 if (i == 255)
2771 TRACE_RET(chip, STATUS_FAIL);
2772
2773 if ((rsp[1] & 0x60) == 0x40)
2774 SET_MMC_SECTOR_MODE(sd_card);
2775 else
2776 CLR_MMC_SECTOR_MODE(sd_card);
2777
2778 retval = sd_send_cmd_get_rsp(chip, ALL_SEND_CID, 0, SD_RSP_TYPE_R2,
2779 NULL, 0);
2780 if (retval != STATUS_SUCCESS)
2781 TRACE_RET(chip, STATUS_FAIL);
2782
2783 sd_card->sd_addr = 0x00100000;
2784 retval = sd_send_cmd_get_rsp(chip, SET_RELATIVE_ADDR, sd_card->sd_addr,
2785 SD_RSP_TYPE_R6, rsp, 5);
2786 if (retval != STATUS_SUCCESS)
2787 TRACE_RET(chip, STATUS_FAIL);
2788
2789 retval = sd_check_csd(chip, 1);
2790 if (retval != STATUS_SUCCESS)
2791 TRACE_RET(chip, STATUS_FAIL);
2792
2793 spec_ver = (sd_card->raw_csd[0] & 0x3C) >> 2;
2794
2795 retval = sd_select_card(chip, 1);
2796 if (retval != STATUS_SUCCESS)
2797 TRACE_RET(chip, STATUS_FAIL);
2798
2799 retval = sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, SD_RSP_TYPE_R1,
2800 NULL, 0);
2801 if (retval != STATUS_SUCCESS)
2802 TRACE_RET(chip, STATUS_FAIL);
2803
2804#ifdef SUPPORT_SD_LOCK
2805MMC_UNLOCK_ENTRY:
2806 retval = sd_update_lock_status(chip);
2807 if (retval != STATUS_SUCCESS)
2808 TRACE_RET(chip, STATUS_FAIL);
2809#endif
2810
2811 retval = sd_set_clock_divider(chip, SD_CLK_DIVIDE_0);
2812 if (retval != STATUS_SUCCESS)
2813 TRACE_RET(chip, STATUS_FAIL);
2814
2815 chip->card_bus_width[chip->card2lun[SD_CARD]] = 1;
2816
2817 if (!sd_card->mmc_dont_switch_bus) {
2818 if (spec_ver == 4) {
2819 /* MMC 4.x Cards */
2820 retval = mmc_switch_timing_bus(chip, switch_ddr);
2821 if (retval != STATUS_SUCCESS) {
2822 retval = sd_init_power(chip);
2823 if (retval != STATUS_SUCCESS)
2824 TRACE_RET(chip, STATUS_FAIL);
2825 sd_card->mmc_dont_switch_bus = 1;
2826 TRACE_GOTO(chip, Switch_Fail);
2827 }
2828 }
2829
2830 if (CHK_MMC_SECTOR_MODE(sd_card) && (sd_card->capacity == 0))
2831 TRACE_RET(chip, STATUS_FAIL);
2832
2833 if (switch_ddr && CHK_MMC_DDR52(sd_card)) {
2834 retval = sd_set_init_para(chip);
2835 if (retval != STATUS_SUCCESS)
2836 TRACE_RET(chip, STATUS_FAIL);
2837
2838 retval = mmc_ddr_tuning(chip);
2839 if (retval != STATUS_SUCCESS) {
2840 retval = sd_init_power(chip);
2841 if (retval != STATUS_SUCCESS)
2842 TRACE_RET(chip, STATUS_FAIL);
2843
2844 switch_ddr = 0;
2845 TRACE_GOTO(chip, Switch_Fail);
2846 }
2847
2848 retval = sd_wait_state_data_ready(chip, 0x08, 1, 1000);
2849 if (retval == STATUS_SUCCESS) {
2850 retval = sd_read_lba0(chip);
2851 if (retval != STATUS_SUCCESS) {
2852 retval = sd_init_power(chip);
2853 if (retval != STATUS_SUCCESS)
2854 TRACE_RET(chip, STATUS_FAIL);
2855
2856 switch_ddr = 0;
2857 TRACE_GOTO(chip, Switch_Fail);
2858 }
2859 }
2860 }
2861 }
2862
2863#ifdef SUPPORT_SD_LOCK
2864 if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON) {
2865 RTSX_WRITE_REG(chip, REG_SD_BLOCK_CNT_H, 0xFF, 0x02);
2866 RTSX_WRITE_REG(chip, REG_SD_BLOCK_CNT_L, 0xFF, 0x00);
2867 }
2868#endif
2869
2870 temp = rtsx_readl(chip, RTSX_BIPR);
2871 if (temp & SD_WRITE_PROTECT)
2872 chip->card_wp |= SD_CARD;
2873
2874 return STATUS_SUCCESS;
2875}
2876
2877int reset_sd_card(struct rtsx_chip *chip)
2878{
2879 struct sd_info *sd_card = &(chip->sd_card);
2880 int retval;
2881
2882 sd_init_reg_addr(chip);
2883
2884 memset(sd_card, 0, sizeof(struct sd_info));
2885 chip->capacity[chip->card2lun[SD_CARD]] = 0;
2886
2887 retval = enable_card_clock(chip, SD_CARD);
2888 if (retval != STATUS_SUCCESS)
2889 TRACE_RET(chip, STATUS_FAIL);
2890
2891 if (chip->ignore_sd && CHK_SDIO_EXIST(chip) &&
2892 !CHK_SDIO_IGNORED(chip)) {
2893 if (chip->asic_code) {
2894 retval = sd_pull_ctl_enable(chip);
2895 if (retval != STATUS_SUCCESS)
2896 TRACE_RET(chip, STATUS_FAIL);
2897 } else {
2898 retval = rtsx_write_register(chip, FPGA_PULL_CTL,
2899 FPGA_SD_PULL_CTL_BIT | 0x20, 0);
2900 if (retval != STATUS_SUCCESS)
2901 TRACE_RET(chip, STATUS_FAIL);
2902 }
2903 retval = card_share_mode(chip, SD_CARD);
2904 if (retval != STATUS_SUCCESS)
2905 TRACE_RET(chip, STATUS_FAIL);
2906
2907 chip->sd_io = 1;
2908 TRACE_RET(chip, STATUS_FAIL);
2909 }
2910
2911 retval = sd_init_power(chip);
2912 if (retval != STATUS_SUCCESS)
2913 TRACE_RET(chip, STATUS_FAIL);
2914
2915 if (chip->sd_ctl & RESET_MMC_FIRST) {
2916 retval = reset_mmc(chip);
2917 if (retval != STATUS_SUCCESS) {
2918 if (sd_check_err_code(chip, SD_NO_CARD))
2919 TRACE_RET(chip, STATUS_FAIL);
2920
2921 retval = reset_sd(chip);
2922 if (retval != STATUS_SUCCESS)
2923 TRACE_RET(chip, STATUS_FAIL);
2924 }
2925 } else {
2926 retval = reset_sd(chip);
2927 if (retval != STATUS_SUCCESS) {
2928 if (sd_check_err_code(chip, SD_NO_CARD))
2929 TRACE_RET(chip, STATUS_FAIL);
2930
2931 if (chip->sd_io) {
2932 TRACE_RET(chip, STATUS_FAIL);
2933 } else {
2934 retval = reset_mmc(chip);
2935 if (retval != STATUS_SUCCESS)
2936 TRACE_RET(chip, STATUS_FAIL);
2937 }
2938 }
2939 }
2940
2941 retval = sd_set_clock_divider(chip, SD_CLK_DIVIDE_0);
2942 if (retval != STATUS_SUCCESS)
2943 TRACE_RET(chip, STATUS_FAIL);
2944
2945 RTSX_WRITE_REG(chip, REG_SD_BYTE_CNT_L, 0xFF, 0);
2946 RTSX_WRITE_REG(chip, REG_SD_BYTE_CNT_H, 0xFF, 2);
2947
2948 chip->capacity[chip->card2lun[SD_CARD]] = sd_card->capacity;
2949
2950 retval = sd_set_init_para(chip);
2951 if (retval != STATUS_SUCCESS)
2952 TRACE_RET(chip, STATUS_FAIL);
2953
2954 RTSX_DEBUGP("sd_card->sd_type = 0x%x\n", sd_card->sd_type);
2955
2956 return STATUS_SUCCESS;
2957}
2958
2959static int reset_mmc_only(struct rtsx_chip *chip)
2960{
2961 struct sd_info *sd_card = &(chip->sd_card);
2962 int retval;
2963
2964 sd_card->sd_type = 0;
2965 sd_card->seq_mode = 0;
2966 sd_card->sd_data_buf_ready = 0;
2967 sd_card->capacity = 0;
2968 sd_card->sd_switch_fail = 0;
2969
2970#ifdef SUPPORT_SD_LOCK
2971 sd_card->sd_lock_status = 0;
2972 sd_card->sd_erase_status = 0;
2973#endif
2974
2975 chip->capacity[chip->card2lun[SD_CARD]] = sd_card->capacity = 0;
2976
2977 retval = enable_card_clock(chip, SD_CARD);
2978 if (retval != STATUS_SUCCESS)
2979 TRACE_RET(chip, STATUS_FAIL);
2980
2981 retval = sd_init_power(chip);
2982 if (retval != STATUS_SUCCESS)
2983 TRACE_RET(chip, STATUS_FAIL);
2984
2985 retval = reset_mmc(chip);
2986 if (retval != STATUS_SUCCESS)
2987 TRACE_RET(chip, STATUS_FAIL);
2988
2989 retval = sd_set_clock_divider(chip, SD_CLK_DIVIDE_0);
2990 if (retval != STATUS_SUCCESS)
2991 TRACE_RET(chip, STATUS_FAIL);
2992
2993 RTSX_WRITE_REG(chip, REG_SD_BYTE_CNT_L, 0xFF, 0);
2994 RTSX_WRITE_REG(chip, REG_SD_BYTE_CNT_H, 0xFF, 2);
2995
2996 chip->capacity[chip->card2lun[SD_CARD]] = sd_card->capacity;
2997
2998 retval = sd_set_init_para(chip);
2999 if (retval != STATUS_SUCCESS)
3000 TRACE_RET(chip, STATUS_FAIL);
3001
3002 RTSX_DEBUGP("In reset_mmc_only, sd_card->sd_type = 0x%x\n",
3003 sd_card->sd_type);
3004
3005 return STATUS_SUCCESS;
3006}
3007
3008#define WAIT_DATA_READY_RTY_CNT 255
3009
3010static int wait_data_buf_ready(struct rtsx_chip *chip)
3011{
3012 struct sd_info *sd_card = &(chip->sd_card);
3013 int i, retval;
3014
3015 for (i = 0; i < WAIT_DATA_READY_RTY_CNT; i++) {
3016 if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
3017 sd_set_err_code(chip, SD_NO_CARD);
3018 TRACE_RET(chip, STATUS_FAIL);
3019 }
3020
3021 sd_card->sd_data_buf_ready = 0;
3022
3023 retval = sd_send_cmd_get_rsp(chip, SEND_STATUS,
3024 sd_card->sd_addr, SD_RSP_TYPE_R1, NULL, 0);
3025 if (retval != STATUS_SUCCESS)
3026 TRACE_RET(chip, STATUS_FAIL);
3027
3028 if (sd_card->sd_data_buf_ready) {
3029 return sd_send_cmd_get_rsp(chip, SEND_STATUS,
3030 sd_card->sd_addr, SD_RSP_TYPE_R1, NULL, 0);
3031 }
3032 }
3033
3034 sd_set_err_code(chip, SD_TO_ERR);
3035
3036 TRACE_RET(chip, STATUS_FAIL);
3037}
3038
3039void sd_stop_seq_mode(struct rtsx_chip *chip)
3040{
3041 struct sd_info *sd_card = &(chip->sd_card);
3042 int retval;
3043
3044 if (sd_card->seq_mode) {
3045 retval = sd_switch_clock(chip);
3046 if (retval != STATUS_SUCCESS)
3047 return;
3048
3049 retval = sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0,
3050 SD_RSP_TYPE_R1b, NULL, 0);
3051 if (retval != STATUS_SUCCESS)
3052 sd_set_err_code(chip, SD_STS_ERR);
3053
3054 retval = sd_wait_state_data_ready(chip, 0x08, 1, 1000);
3055 if (retval != STATUS_SUCCESS)
3056 sd_set_err_code(chip, SD_STS_ERR);
3057
3058 sd_card->seq_mode = 0;
3059
3060 rtsx_write_register(chip, RBCTL, RB_FLUSH, RB_FLUSH);
3061 }
3062}
3063
3064static inline int sd_auto_tune_clock(struct rtsx_chip *chip)
3065{
3066 struct sd_info *sd_card = &(chip->sd_card);
3067 int retval;
3068
3069 if (chip->asic_code) {
3070 if (sd_card->sd_clock > 30)
3071 sd_card->sd_clock -= 20;
3072 } else {
3073 switch (sd_card->sd_clock) {
3074 case CLK_200:
3075 sd_card->sd_clock = CLK_150;
3076 break;
3077
3078 case CLK_150:
3079 sd_card->sd_clock = CLK_120;
3080 break;
3081
3082 case CLK_120:
3083 sd_card->sd_clock = CLK_100;
3084 break;
3085
3086 case CLK_100:
3087 sd_card->sd_clock = CLK_80;
3088 break;
3089
3090 case CLK_80:
3091 sd_card->sd_clock = CLK_60;
3092 break;
3093
3094 case CLK_60:
3095 sd_card->sd_clock = CLK_50;
3096 break;
3097
3098 default:
3099 break;
3100 }
3101 }
3102
3103 retval = sd_switch_clock(chip);
3104 if (retval != STATUS_SUCCESS)
3105 TRACE_RET(chip, STATUS_FAIL);
3106
3107 return STATUS_SUCCESS;
3108}
3109
3110int sd_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip, u32 start_sector,
3111 u16 sector_cnt)
3112{
3113 struct sd_info *sd_card = &(chip->sd_card);
3114 u32 data_addr;
3115 u8 cfg2;
3116 int retval;
3117
3118 if (srb->sc_data_direction == DMA_FROM_DEVICE) {
3119 RTSX_DEBUGP("sd_rw: Read %d %s from 0x%x\n", sector_cnt,
3120 (sector_cnt > 1) ? "sectors" : "sector", start_sector);
3121 } else {
3122 RTSX_DEBUGP("sd_rw: Write %d %s to 0x%x\n", sector_cnt,
3123 (sector_cnt > 1) ? "sectors" : "sector", start_sector);
3124 }
3125
3126 sd_card->cleanup_counter = 0;
3127
3128 if (!(chip->card_ready & SD_CARD)) {
3129 sd_card->seq_mode = 0;
3130
3131 retval = reset_sd_card(chip);
3132 if (retval == STATUS_SUCCESS) {
3133 chip->card_ready |= SD_CARD;
3134 chip->card_fail &= ~SD_CARD;
3135 } else {
3136 chip->card_ready &= ~SD_CARD;
3137 chip->card_fail |= SD_CARD;
3138 chip->capacity[chip->card2lun[SD_CARD]] = 0;
3139 chip->rw_need_retry = 1;
3140 TRACE_RET(chip, STATUS_FAIL);
3141 }
3142 }
3143
3144 if (!CHK_SD_HCXC(sd_card) && !CHK_MMC_SECTOR_MODE(sd_card))
3145 data_addr = start_sector << 9;
3146 else
3147 data_addr = start_sector;
3148
3149 sd_clr_err_code(chip);
3150
3151 retval = sd_switch_clock(chip);
3152 if (retval != STATUS_SUCCESS) {
3153 sd_set_err_code(chip, SD_IO_ERR);
3154 TRACE_GOTO(chip, RW_FAIL);
3155 }
3156
3157 if (sd_card->seq_mode &&
3158 ((sd_card->pre_dir != srb->sc_data_direction) ||
3159 ((sd_card->pre_sec_addr + sd_card->pre_sec_cnt) !=
3160 start_sector))) {
3161 if ((sd_card->pre_sec_cnt < 0x80)
3162 && (sd_card->pre_dir == DMA_FROM_DEVICE)
3163 && !CHK_SD30_SPEED(sd_card)
3164 && !CHK_SD_HS(sd_card)
3165 && !CHK_MMC_HS(sd_card)) {
3166 sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
3167 SD_RSP_TYPE_R1, NULL, 0);
3168 }
3169
3170 retval = sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION,
3171 0, SD_RSP_TYPE_R1b, NULL, 0);
3172 if (retval != STATUS_SUCCESS) {
3173 chip->rw_need_retry = 1;
3174 sd_set_err_code(chip, SD_STS_ERR);
3175 TRACE_GOTO(chip, RW_FAIL);
3176 }
3177
3178 sd_card->seq_mode = 0;
3179
3180 retval = rtsx_write_register(chip, RBCTL, RB_FLUSH, RB_FLUSH);
3181 if (retval != STATUS_SUCCESS) {
3182 sd_set_err_code(chip, SD_IO_ERR);
3183 TRACE_GOTO(chip, RW_FAIL);
3184 }
3185
3186 if ((sd_card->pre_sec_cnt < 0x80)
3187 && !CHK_SD30_SPEED(sd_card)
3188 && !CHK_SD_HS(sd_card)
3189 && !CHK_MMC_HS(sd_card)) {
3190 sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
3191 SD_RSP_TYPE_R1, NULL, 0);
3192 }
3193 }
3194
3195 rtsx_init_cmd(chip);
3196
3197 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF, 0x00);
3198 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF, 0x02);
3199 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF,
3200 (u8)sector_cnt);
3201 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF,
3202 (u8)(sector_cnt >> 8));
3203
3204 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER);
3205
3206 if (CHK_MMC_8BIT(sd_card))
3207 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1,
3208 0x03, SD_BUS_WIDTH_8);
3209 else if (CHK_MMC_4BIT(sd_card) || CHK_SD(sd_card))
3210 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1,
3211 0x03, SD_BUS_WIDTH_4);
3212 else
3213 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1,
3214 0x03, SD_BUS_WIDTH_1);
3215
3216 if (sd_card->seq_mode) {
3217 cfg2 = SD_NO_CALCULATE_CRC7 | SD_CHECK_CRC16|
3218 SD_NO_WAIT_BUSY_END | SD_NO_CHECK_CRC7 |
3219 SD_RSP_LEN_0;
3220 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, cfg2);
3221
3222 trans_dma_enable(srb->sc_data_direction, chip, sector_cnt * 512,
3223 DMA_512);
3224
3225 if (srb->sc_data_direction == DMA_FROM_DEVICE) {
3226 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
3227 SD_TM_AUTO_READ_3 | SD_TRANSFER_START);
3228 } else {
3229 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
3230 SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START);
3231 }
3232
3233 rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER,
3234 SD_TRANSFER_END, SD_TRANSFER_END);
3235
3236 rtsx_send_cmd_no_wait(chip);
3237 } else {
3238 if (srb->sc_data_direction == DMA_FROM_DEVICE) {
3239 RTSX_DEBUGP("SD/MMC CMD %d\n", READ_MULTIPLE_BLOCK);
3240 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF,
3241 0x40 | READ_MULTIPLE_BLOCK);
3242 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF,
3243 (u8)(data_addr >> 24));
3244 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF,
3245 (u8)(data_addr >> 16));
3246 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF,
3247 (u8)(data_addr >> 8));
3248 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF,
3249 (u8)data_addr);
3250
3251 cfg2 = SD_CALCULATE_CRC7 | SD_CHECK_CRC16 |
3252 SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 |
3253 SD_RSP_LEN_6;
3254 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF,
3255 cfg2);
3256
3257 trans_dma_enable(srb->sc_data_direction, chip,
3258 sector_cnt * 512, DMA_512);
3259
3260 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
3261 SD_TM_AUTO_READ_2 | SD_TRANSFER_START);
3262 rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER,
3263 SD_TRANSFER_END, SD_TRANSFER_END);
3264
3265 rtsx_send_cmd_no_wait(chip);
3266 } else {
3267 retval = rtsx_send_cmd(chip, SD_CARD, 50);
3268 if (retval < 0) {
3269 rtsx_clear_sd_error(chip);
3270
3271 chip->rw_need_retry = 1;
3272 sd_set_err_code(chip, SD_TO_ERR);
3273 TRACE_GOTO(chip, RW_FAIL);
3274 }
3275
3276 retval = wait_data_buf_ready(chip);
3277 if (retval != STATUS_SUCCESS) {
3278 chip->rw_need_retry = 1;
3279 sd_set_err_code(chip, SD_TO_ERR);
3280 TRACE_GOTO(chip, RW_FAIL);
3281 }
3282
3283 retval = sd_send_cmd_get_rsp(chip, WRITE_MULTIPLE_BLOCK,
3284 data_addr, SD_RSP_TYPE_R1, NULL, 0);
3285 if (retval != STATUS_SUCCESS) {
3286 chip->rw_need_retry = 1;
3287 TRACE_GOTO(chip, RW_FAIL);
3288 }
3289
3290 rtsx_init_cmd(chip);
3291
3292 cfg2 = SD_NO_CALCULATE_CRC7 | SD_CHECK_CRC16 |
3293 SD_NO_WAIT_BUSY_END |
3294 SD_NO_CHECK_CRC7 | SD_RSP_LEN_0;
3295 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF,
3296 cfg2);
3297
3298 trans_dma_enable(srb->sc_data_direction, chip,
3299 sector_cnt * 512, DMA_512);
3300
3301 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
3302 SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START);
3303 rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER,
3304 SD_TRANSFER_END, SD_TRANSFER_END);
3305
3306 rtsx_send_cmd_no_wait(chip);
3307 }
3308
3309 sd_card->seq_mode = 1;
3310 }
3311
3312 retval = rtsx_transfer_data(chip, SD_CARD, scsi_sglist(srb),
3313 scsi_bufflen(srb), scsi_sg_count(srb),
3314 srb->sc_data_direction, chip->sd_timeout);
3315 if (retval < 0) {
3316 u8 stat = 0;
3317 int err;
3318
3319 sd_card->seq_mode = 0;
3320
3321 if (retval == -ETIMEDOUT)
3322 err = STATUS_TIMEDOUT;
3323 else
3324 err = STATUS_FAIL;
3325
3326 rtsx_read_register(chip, REG_SD_STAT1, &stat);
3327 rtsx_clear_sd_error(chip);
3328 if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
3329 chip->rw_need_retry = 0;
3330 RTSX_DEBUGP("No card exist, exit sd_rw\n");
3331 TRACE_RET(chip, STATUS_FAIL);
3332 }
3333
3334 chip->rw_need_retry = 1;
3335
3336 retval = sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0,
3337 SD_RSP_TYPE_R1b, NULL, 0);
3338 if (retval != STATUS_SUCCESS) {
3339 sd_set_err_code(chip, SD_STS_ERR);
3340 TRACE_GOTO(chip, RW_FAIL);
3341 }
3342
3343 if (stat & (SD_CRC7_ERR | SD_CRC16_ERR | SD_CRC_WRITE_ERR)) {
3344 RTSX_DEBUGP("SD CRC error, tune clock!\n");
3345 sd_set_err_code(chip, SD_CRC_ERR);
3346 TRACE_GOTO(chip, RW_FAIL);
3347 }
3348
3349 if (err == STATUS_TIMEDOUT) {
3350 sd_set_err_code(chip, SD_TO_ERR);
3351 TRACE_GOTO(chip, RW_FAIL);
3352 }
3353
3354 TRACE_RET(chip, err);
3355 }
3356
3357 sd_card->pre_sec_addr = start_sector;
3358 sd_card->pre_sec_cnt = sector_cnt;
3359 sd_card->pre_dir = srb->sc_data_direction;
3360
3361 return STATUS_SUCCESS;
3362
3363RW_FAIL:
3364 sd_card->seq_mode = 0;
3365
3366 if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
3367 chip->rw_need_retry = 0;
3368 RTSX_DEBUGP("No card exist, exit sd_rw\n");
3369 TRACE_RET(chip, STATUS_FAIL);
3370 }
3371
3372 if (sd_check_err_code(chip, SD_CRC_ERR)) {
3373 if (CHK_MMC_4BIT(sd_card) || CHK_MMC_8BIT(sd_card)) {
3374 sd_card->mmc_dont_switch_bus = 1;
3375 reset_mmc_only(chip);
3376 sd_card->mmc_dont_switch_bus = 0;
3377 } else {
3378 sd_card->need_retune = 1;
3379 sd_auto_tune_clock(chip);
3380 }
3381 } else if (sd_check_err_code(chip, SD_TO_ERR | SD_STS_ERR)) {
3382 retval = reset_sd_card(chip);
3383 if (retval != STATUS_SUCCESS) {
3384 chip->card_ready &= ~SD_CARD;
3385 chip->card_fail |= SD_CARD;
3386 chip->capacity[chip->card2lun[SD_CARD]] = 0;
3387 }
3388 }
3389
3390 TRACE_RET(chip, STATUS_FAIL);
3391}
3392
3393#ifdef SUPPORT_CPRM
3394int soft_reset_sd_card(struct rtsx_chip *chip)
3395{
3396 return reset_sd(chip);
3397}
3398
3399int ext_sd_send_cmd_get_rsp(struct rtsx_chip *chip, u8 cmd_idx,
3400 u32 arg, u8 rsp_type, u8 *rsp, int rsp_len, int special_check)
3401{
3402 int retval;
3403 int timeout = 100;
3404 u16 reg_addr;
3405 u8 *ptr;
3406 int stat_idx = 0;
3407 int rty_cnt = 0;
3408
3409 RTSX_DEBUGP("EXT SD/MMC CMD %d\n", cmd_idx);
3410
3411 if (rsp_type == SD_RSP_TYPE_R1b)
3412 timeout = 3000;
3413
3414RTY_SEND_CMD:
3415
3416 rtsx_init_cmd(chip);
3417
3418 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF, 0x40 | cmd_idx);
3419 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF, (u8)(arg >> 24));
3420 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF, (u8)(arg >> 16));
3421 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF, (u8)(arg >> 8));
3422 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF, (u8)arg);
3423
3424 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, rsp_type);
3425 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE,
3426 0x01, PINGPONG_BUFFER);
3427 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER,
3428 0xFF, SD_TM_CMD_RSP | SD_TRANSFER_START);
3429 rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END,
3430 SD_TRANSFER_END);
3431
3432 if (rsp_type == SD_RSP_TYPE_R2) {
3433 for (reg_addr = PPBUF_BASE2; reg_addr < PPBUF_BASE2 + 16;
3434 reg_addr++)
3435 rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0);
3436
3437 stat_idx = 17;
3438 } else if (rsp_type != SD_RSP_TYPE_R0) {
3439 for (reg_addr = REG_SD_CMD0; reg_addr <= REG_SD_CMD4;
3440 reg_addr++)
3441 rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0);
3442
3443 stat_idx = 6;
3444 }
3445 rtsx_add_cmd(chip, READ_REG_CMD, REG_SD_CMD5, 0, 0);
3446
3447 rtsx_add_cmd(chip, READ_REG_CMD, REG_SD_STAT1, 0, 0);
3448
3449 retval = rtsx_send_cmd(chip, SD_CARD, timeout);
3450 if (retval < 0) {
3451 if (retval == -ETIMEDOUT) {
3452 rtsx_clear_sd_error(chip);
3453
3454 if (rsp_type & SD_WAIT_BUSY_END) {
3455 retval = sd_check_data0_status(chip);
3456 if (retval != STATUS_SUCCESS)
3457 TRACE_RET(chip, retval);
3458 } else {
3459 sd_set_err_code(chip, SD_TO_ERR);
3460 }
3461 }
3462 TRACE_RET(chip, STATUS_FAIL);
3463 }
3464
3465 if (rsp_type == SD_RSP_TYPE_R0)
3466 return STATUS_SUCCESS;
3467
3468 ptr = rtsx_get_cmd_data(chip) + 1;
3469
3470 if ((ptr[0] & 0xC0) != 0) {
3471 sd_set_err_code(chip, SD_STS_ERR);
3472 TRACE_RET(chip, STATUS_FAIL);
3473 }
3474
3475 if (!(rsp_type & SD_NO_CHECK_CRC7)) {
3476 if (ptr[stat_idx] & SD_CRC7_ERR) {
3477 if (cmd_idx == WRITE_MULTIPLE_BLOCK) {
3478 sd_set_err_code(chip, SD_CRC_ERR);
3479 TRACE_RET(chip, STATUS_FAIL);
3480 }
3481 if (rty_cnt < SD_MAX_RETRY_COUNT) {
3482 wait_timeout(20);
3483 rty_cnt++;
3484 goto RTY_SEND_CMD;
3485 } else {
3486 sd_set_err_code(chip, SD_CRC_ERR);
3487 TRACE_RET(chip, STATUS_FAIL);
3488 }
3489 }
3490 }
3491
3492 if ((cmd_idx == SELECT_CARD) || (cmd_idx == APP_CMD) ||
3493 (cmd_idx == SEND_STATUS) || (cmd_idx == STOP_TRANSMISSION)) {
3494 if ((cmd_idx != STOP_TRANSMISSION) && (special_check == 0)) {
3495 if (ptr[1] & 0x80)
3496 TRACE_RET(chip, STATUS_FAIL);
3497 }
3498#ifdef SUPPORT_SD_LOCK
3499 if (ptr[1] & 0x7D)
3500#else
3501 if (ptr[1] & 0x7F)
3502#endif
3503 {
3504 TRACE_RET(chip, STATUS_FAIL);
3505 }
3506 if (ptr[2] & 0xF8)
3507 TRACE_RET(chip, STATUS_FAIL);
3508
3509 if (cmd_idx == SELECT_CARD) {
3510 if (rsp_type == SD_RSP_TYPE_R2) {
3511 if ((ptr[3] & 0x1E) != 0x04)
3512 TRACE_RET(chip, STATUS_FAIL);
3513
3514 } else if (rsp_type == SD_RSP_TYPE_R0) {
3515 if ((ptr[3] & 0x1E) != 0x03)
3516 TRACE_RET(chip, STATUS_FAIL);
3517 }
3518 }
3519 }
3520
3521 if (rsp && rsp_len)
3522 memcpy(rsp, ptr, rsp_len);
3523
3524 return STATUS_SUCCESS;
3525}
3526
3527int ext_sd_get_rsp(struct rtsx_chip *chip, int len, u8 *rsp, u8 rsp_type)
3528{
3529 int retval, rsp_len;
3530 u16 reg_addr;
3531
3532 if (rsp_type == SD_RSP_TYPE_R0)
3533 return STATUS_SUCCESS;
3534
3535 rtsx_init_cmd(chip);
3536
3537 if (rsp_type == SD_RSP_TYPE_R2) {
3538 for (reg_addr = PPBUF_BASE2; reg_addr < PPBUF_BASE2 + 16;
3539 reg_addr++)
3540 rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0xFF, 0);
3541
3542 rsp_len = 17;
3543 } else if (rsp_type != SD_RSP_TYPE_R0) {
3544 for (reg_addr = REG_SD_CMD0; reg_addr <= REG_SD_CMD4;
3545 reg_addr++)
3546 rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0xFF, 0);
3547
3548 rsp_len = 6;
3549 }
3550 rtsx_add_cmd(chip, READ_REG_CMD, REG_SD_CMD5, 0xFF, 0);
3551
3552 retval = rtsx_send_cmd(chip, SD_CARD, 100);
3553 if (retval != STATUS_SUCCESS)
3554 TRACE_RET(chip, STATUS_FAIL);
3555
3556 if (rsp) {
3557 int min_len = (rsp_len < len) ? rsp_len : len;
3558
3559 memcpy(rsp, rtsx_get_cmd_data(chip), min_len);
3560
3561 RTSX_DEBUGP("min_len = %d\n", min_len);
3562 RTSX_DEBUGP("Response in cmd buf: 0x%x 0x%x 0x%x 0x%x\n",
3563 rsp[0], rsp[1], rsp[2], rsp[3]);
3564 }
3565
3566 return STATUS_SUCCESS;
3567}
3568
3569int sd_pass_thru_mode(struct scsi_cmnd *srb, struct rtsx_chip *chip)
3570{
3571 struct sd_info *sd_card = &(chip->sd_card);
3572 unsigned int lun = SCSI_LUN(srb);
3573 int len;
3574 u8 buf[18] = {
3575 0x00,
3576 0x00,
3577 0x00,
3578 0x0E,
3579 0x00,
3580 0x00,
3581 0x00,
3582 0x00,
3583 0x53,
3584 0x44,
3585 0x20,
3586 0x43,
3587 0x61,
3588 0x72,
3589 0x64,
3590 0x00,
3591 0x00,
3592 0x00,
3593 };
3594
3595 sd_card->pre_cmd_err = 0;
3596
3597 if (!(CHK_BIT(chip->lun_mc, lun))) {
3598 SET_BIT(chip->lun_mc, lun);
3599 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
3600 TRACE_RET(chip, TRANSPORT_FAILED);
3601 }
3602
3603 if ((0x53 != srb->cmnd[2]) || (0x44 != srb->cmnd[3]) ||
3604 (0x20 != srb->cmnd[4]) || (0x43 != srb->cmnd[5]) ||
3605 (0x61 != srb->cmnd[6]) || (0x72 != srb->cmnd[7]) ||
3606 (0x64 != srb->cmnd[8])) {
3607 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
3608 TRACE_RET(chip, TRANSPORT_FAILED);
3609 }
3610
3611 switch (srb->cmnd[1] & 0x0F) {
3612 case 0:
3613 sd_card->sd_pass_thru_en = 0;
3614 break;
3615
3616 case 1:
3617 sd_card->sd_pass_thru_en = 1;
3618 break;
3619
3620 default:
3621 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
3622 TRACE_RET(chip, TRANSPORT_FAILED);
3623 }
3624
3625 buf[5] = (1 == CHK_SD(sd_card)) ? 0x01 : 0x02;
3626 if (chip->card_wp & SD_CARD)
3627 buf[5] |= 0x80;
3628
3629 buf[6] = (u8)(sd_card->sd_addr >> 16);
3630 buf[7] = (u8)(sd_card->sd_addr >> 24);
3631
3632 buf[15] = chip->max_lun;
3633
3634 len = min_t(int, 18, scsi_bufflen(srb));
3635 rtsx_stor_set_xfer_buf(buf, len, srb);
3636
3637 return TRANSPORT_GOOD;
3638}
3639
3640static inline int get_rsp_type(struct scsi_cmnd *srb, u8 *rsp_type,
3641 int *rsp_len)
3642{
3643 if (!rsp_type || !rsp_len)
3644 return STATUS_FAIL;
3645
3646 switch (srb->cmnd[10]) {
3647 case 0x03:
3648 *rsp_type = SD_RSP_TYPE_R0;
3649 *rsp_len = 0;
3650 break;
3651
3652 case 0x04:
3653 *rsp_type = SD_RSP_TYPE_R1;
3654 *rsp_len = 6;
3655 break;
3656
3657 case 0x05:
3658 *rsp_type = SD_RSP_TYPE_R1b;
3659 *rsp_len = 6;
3660 break;
3661
3662 case 0x06:
3663 *rsp_type = SD_RSP_TYPE_R2;
3664 *rsp_len = 17;
3665 break;
3666
3667 case 0x07:
3668 *rsp_type = SD_RSP_TYPE_R3;
3669 *rsp_len = 6;
3670 break;
3671
3672 default:
3673 return STATUS_FAIL;
3674 }
3675
3676 return STATUS_SUCCESS;
3677}
3678
3679int sd_execute_no_data(struct scsi_cmnd *srb, struct rtsx_chip *chip)
3680{
3681 struct sd_info *sd_card = &(chip->sd_card);
3682 unsigned int lun = SCSI_LUN(srb);
3683 int retval, rsp_len;
3684 u8 cmd_idx, rsp_type;
3685 u8 standby = 0, acmd = 0;
3686 u32 arg;
3687
3688 if (!sd_card->sd_pass_thru_en) {
3689 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
3690 TRACE_RET(chip, TRANSPORT_FAILED);
3691 }
3692
3693 retval = sd_switch_clock(chip);
3694 if (retval != STATUS_SUCCESS)
3695 TRACE_RET(chip, TRANSPORT_FAILED);
3696
3697 if (sd_card->pre_cmd_err) {
3698 sd_card->pre_cmd_err = 0;
3699 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
3700 TRACE_RET(chip, TRANSPORT_FAILED);
3701 }
3702
3703 cmd_idx = srb->cmnd[2] & 0x3F;
3704 if (srb->cmnd[1] & 0x02)
3705 standby = 1;
3706
3707 if (srb->cmnd[1] & 0x01)
3708 acmd = 1;
3709
3710 arg = ((u32)srb->cmnd[3] << 24) | ((u32)srb->cmnd[4] << 16) |
3711 ((u32)srb->cmnd[5] << 8) | srb->cmnd[6];
3712
3713 retval = get_rsp_type(srb, &rsp_type, &rsp_len);
3714 if (retval != STATUS_SUCCESS) {
3715 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
3716 TRACE_RET(chip, TRANSPORT_FAILED);
3717 }
3718 sd_card->last_rsp_type = rsp_type;
3719
3720 retval = sd_switch_clock(chip);
3721 if (retval != STATUS_SUCCESS)
3722 TRACE_RET(chip, TRANSPORT_FAILED);
3723
3724#ifdef SUPPORT_SD_LOCK
3725 if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) {
3726 if (CHK_MMC_8BIT(sd_card)) {
3727 retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03,
3728 SD_BUS_WIDTH_8);
3729 if (retval != STATUS_SUCCESS)
3730 TRACE_RET(chip, TRANSPORT_FAILED);
3731
3732 } else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card)) {
3733 retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03,
3734 SD_BUS_WIDTH_4);
3735 if (retval != STATUS_SUCCESS)
3736 TRACE_RET(chip, TRANSPORT_FAILED);
3737 }
3738 }
3739#else
3740 retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03, SD_BUS_WIDTH_4);
3741 if (retval != STATUS_SUCCESS)
3742 TRACE_RET(chip, TRANSPORT_FAILED);
3743#endif
3744
3745 if (standby) {
3746 retval = sd_select_card(chip, 0);
3747 if (retval != STATUS_SUCCESS)
3748 TRACE_GOTO(chip, SD_Execute_Cmd_Failed);
3749 }
3750
3751 if (acmd) {
3752 retval = ext_sd_send_cmd_get_rsp(chip, APP_CMD,
3753 sd_card->sd_addr,
3754 SD_RSP_TYPE_R1, NULL, 0, 0);
3755 if (retval != STATUS_SUCCESS)
3756 TRACE_GOTO(chip, SD_Execute_Cmd_Failed);
3757 }
3758
3759 retval = ext_sd_send_cmd_get_rsp(chip, cmd_idx, arg, rsp_type,
3760 sd_card->rsp, rsp_len, 0);
3761 if (retval != STATUS_SUCCESS)
3762 TRACE_GOTO(chip, SD_Execute_Cmd_Failed);
3763
3764 if (standby) {
3765 retval = sd_select_card(chip, 1);
3766 if (retval != STATUS_SUCCESS)
3767 TRACE_GOTO(chip, SD_Execute_Cmd_Failed);
3768 }
3769
3770#ifdef SUPPORT_SD_LOCK
3771 retval = sd_update_lock_status(chip);
3772 if (retval != STATUS_SUCCESS)
3773 TRACE_GOTO(chip, SD_Execute_Cmd_Failed);
3774#endif
3775
3776 scsi_set_resid(srb, 0);
3777 return TRANSPORT_GOOD;
3778
3779SD_Execute_Cmd_Failed:
3780 sd_card->pre_cmd_err = 1;
3781 set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
3782 release_sd_card(chip);
3783 do_reset_sd_card(chip);
3784 if (!(chip->card_ready & SD_CARD))
3785 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
3786
3787 TRACE_RET(chip, TRANSPORT_FAILED);
3788}
3789
3790int sd_execute_read_data(struct scsi_cmnd *srb, struct rtsx_chip *chip)
3791{
3792 struct sd_info *sd_card = &(chip->sd_card);
3793 unsigned int lun = SCSI_LUN(srb);
3794 int retval, rsp_len, i;
3795 int cmd13_checkbit = 0, read_err = 0;
3796 u8 cmd_idx, rsp_type, bus_width;
3797 u8 send_cmd12 = 0, standby = 0, acmd = 0;
3798 u32 data_len;
3799
3800 if (!sd_card->sd_pass_thru_en) {
3801 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
3802 TRACE_RET(chip, TRANSPORT_FAILED);
3803 }
3804
3805 if (sd_card->pre_cmd_err) {
3806 sd_card->pre_cmd_err = 0;
3807 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
3808 TRACE_RET(chip, TRANSPORT_FAILED);
3809 }
3810
3811 retval = sd_switch_clock(chip);
3812 if (retval != STATUS_SUCCESS)
3813 TRACE_RET(chip, TRANSPORT_FAILED);
3814
3815 cmd_idx = srb->cmnd[2] & 0x3F;
3816 if (srb->cmnd[1] & 0x04)
3817 send_cmd12 = 1;
3818
3819 if (srb->cmnd[1] & 0x02)
3820 standby = 1;
3821
3822 if (srb->cmnd[1] & 0x01)
3823 acmd = 1;
3824
3825 data_len = ((u32)srb->cmnd[7] << 16) | ((u32)srb->cmnd[8]
3826 << 8) | srb->cmnd[9];
3827
3828 retval = get_rsp_type(srb, &rsp_type, &rsp_len);
3829 if (retval != STATUS_SUCCESS) {
3830 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
3831 TRACE_RET(chip, TRANSPORT_FAILED);
3832 }
3833 sd_card->last_rsp_type = rsp_type;
3834
3835 retval = sd_switch_clock(chip);
3836 if (retval != STATUS_SUCCESS)
3837 TRACE_RET(chip, TRANSPORT_FAILED);
3838
3839#ifdef SUPPORT_SD_LOCK
3840 if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) {
3841 if (CHK_MMC_8BIT(sd_card))
3842 bus_width = SD_BUS_WIDTH_8;
3843 else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card))
3844 bus_width = SD_BUS_WIDTH_4;
3845 else
3846 bus_width = SD_BUS_WIDTH_1;
3847 } else {
3848 bus_width = SD_BUS_WIDTH_4;
3849 }
3850 RTSX_DEBUGP("bus_width = %d\n", bus_width);
3851#else
3852 bus_width = SD_BUS_WIDTH_4;
3853#endif
3854
3855 if (data_len < 512) {
3856 retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, data_len,
3857 SD_RSP_TYPE_R1, NULL, 0, 0);
3858 if (retval != STATUS_SUCCESS)
3859 TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
3860 }
3861
3862 if (standby) {
3863 retval = sd_select_card(chip, 0);
3864 if (retval != STATUS_SUCCESS)
3865 TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
3866 }
3867
3868 if (acmd) {
3869 retval = ext_sd_send_cmd_get_rsp(chip, APP_CMD,
3870 sd_card->sd_addr,
3871 SD_RSP_TYPE_R1, NULL, 0, 0);
3872 if (retval != STATUS_SUCCESS)
3873 TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
3874 }
3875
3876 if (data_len <= 512) {
3877 int min_len;
3878 u8 *buf;
3879 u16 byte_cnt, blk_cnt;
3880 u8 cmd[5];
3881
3882 byte_cnt = ((u16)(srb->cmnd[8] & 0x03) << 8) | srb->cmnd[9];
3883 blk_cnt = 1;
3884
3885 cmd[0] = 0x40 | cmd_idx;
3886 cmd[1] = srb->cmnd[3];
3887 cmd[2] = srb->cmnd[4];
3888 cmd[3] = srb->cmnd[5];
3889 cmd[4] = srb->cmnd[6];
3890
3891 buf = kmalloc(data_len, GFP_KERNEL);
3892 if (buf == NULL)
3893 TRACE_RET(chip, TRANSPORT_ERROR);
3894
3895 retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, byte_cnt,
3896 blk_cnt, bus_width, buf, data_len, 2000);
3897 if (retval != STATUS_SUCCESS) {
3898 read_err = 1;
3899 kfree(buf);
3900 rtsx_clear_sd_error(chip);
3901 TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
3902 }
3903
3904 min_len = min(data_len, scsi_bufflen(srb));
3905 rtsx_stor_set_xfer_buf(buf, min_len, srb);
3906
3907 kfree(buf);
3908 } else if (!(data_len & 0x1FF)) {
3909 rtsx_init_cmd(chip);
3910
3911 trans_dma_enable(DMA_FROM_DEVICE, chip, data_len, DMA_512);
3912
3913 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF,
3914 0x02);
3915 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF,
3916 0x00);
3917 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H,
3918 0xFF, (srb->cmnd[7] & 0xFE) >> 1);
3919 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L,
3920 0xFF, (u8)((data_len & 0x0001FE00) >> 9));
3921
3922 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF,
3923 0x40 | cmd_idx);
3924 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF,
3925 srb->cmnd[3]);
3926 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF,
3927 srb->cmnd[4]);
3928 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF,
3929 srb->cmnd[5]);
3930 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF,
3931 srb->cmnd[6]);
3932
3933 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1, 0x03, bus_width);
3934 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, rsp_type);
3935
3936 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER,
3937 0xFF, SD_TM_AUTO_READ_2 | SD_TRANSFER_START);
3938 rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER,
3939 SD_TRANSFER_END, SD_TRANSFER_END);
3940
3941 rtsx_send_cmd_no_wait(chip);
3942
3943 retval = rtsx_transfer_data(chip, SD_CARD, scsi_sglist(srb),
3944 scsi_bufflen(srb), scsi_sg_count(srb),
3945 DMA_FROM_DEVICE, 10000);
3946 if (retval < 0) {
3947 read_err = 1;
3948 rtsx_clear_sd_error(chip);
3949 TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
3950 }
3951
3952 } else {
3953 TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
3954 }
3955
3956 retval = ext_sd_get_rsp(chip, rsp_len, sd_card->rsp, rsp_type);
3957 if (retval != STATUS_SUCCESS)
3958 TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
3959
3960 if (standby) {
3961 retval = sd_select_card(chip, 1);
3962 if (retval != STATUS_SUCCESS)
3963 TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
3964 }
3965
3966 if (send_cmd12) {
3967 retval = ext_sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION,
3968 0, SD_RSP_TYPE_R1b, NULL, 0, 0);
3969 if (retval != STATUS_SUCCESS)
3970 TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
3971 }
3972
3973 if (data_len < 512) {
3974 retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200,
3975 SD_RSP_TYPE_R1, NULL, 0, 0);
3976 if (retval != STATUS_SUCCESS)
3977 TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
3978
3979 retval = rtsx_write_register(chip, SD_BYTE_CNT_H, 0xFF, 0x02);
3980 if (retval != STATUS_SUCCESS)
3981 TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
3982
3983 retval = rtsx_write_register(chip, SD_BYTE_CNT_L, 0xFF, 0x00);
3984 if (retval != STATUS_SUCCESS)
3985 TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
3986 }
3987
3988 if ((srb->cmnd[1] & 0x02) || (srb->cmnd[1] & 0x04))
3989 cmd13_checkbit = 1;
3990
3991 for (i = 0; i < 3; i++) {
3992 retval = ext_sd_send_cmd_get_rsp(chip, SEND_STATUS,
3993 sd_card->sd_addr,
3994 SD_RSP_TYPE_R1, NULL, 0,
3995 cmd13_checkbit);
3996 if (retval == STATUS_SUCCESS)
3997 break;
3998 }
3999 if (retval != STATUS_SUCCESS)
4000 TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
4001
4002 scsi_set_resid(srb, 0);
4003 return TRANSPORT_GOOD;
4004
4005SD_Execute_Read_Cmd_Failed:
4006 sd_card->pre_cmd_err = 1;
4007 set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
4008 if (read_err)
4009 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
4010
4011 release_sd_card(chip);
4012 do_reset_sd_card(chip);
4013 if (!(chip->card_ready & SD_CARD))
4014 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
4015
4016 TRACE_RET(chip, TRANSPORT_FAILED);
4017}
4018
4019int sd_execute_write_data(struct scsi_cmnd *srb, struct rtsx_chip *chip)
4020{
4021 struct sd_info *sd_card = &(chip->sd_card);
4022 unsigned int lun = SCSI_LUN(srb);
4023 int retval, rsp_len, i;
4024 int cmd13_checkbit = 0, write_err = 0;
4025 u8 cmd_idx, rsp_type;
4026 u8 send_cmd12 = 0, standby = 0, acmd = 0;
4027 u32 data_len, arg;
4028#ifdef SUPPORT_SD_LOCK
4029 int lock_cmd_fail = 0;
4030 u8 sd_lock_state = 0;
4031 u8 lock_cmd_type = 0;
4032#endif
4033
4034 if (!sd_card->sd_pass_thru_en) {
4035 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
4036 TRACE_RET(chip, TRANSPORT_FAILED);
4037 }
4038
4039 if (sd_card->pre_cmd_err) {
4040 sd_card->pre_cmd_err = 0;
4041 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
4042 TRACE_RET(chip, TRANSPORT_FAILED);
4043 }
4044
4045 retval = sd_switch_clock(chip);
4046 if (retval != STATUS_SUCCESS)
4047 TRACE_RET(chip, TRANSPORT_FAILED);
4048
4049 cmd_idx = srb->cmnd[2] & 0x3F;
4050 if (srb->cmnd[1] & 0x04)
4051 send_cmd12 = 1;
4052
4053 if (srb->cmnd[1] & 0x02)
4054 standby = 1;
4055
4056 if (srb->cmnd[1] & 0x01)
4057 acmd = 1;
4058
4059 data_len = ((u32)srb->cmnd[7] << 16) | ((u32)srb->cmnd[8]
4060 << 8) | srb->cmnd[9];
4061 arg = ((u32)srb->cmnd[3] << 24) | ((u32)srb->cmnd[4] << 16) |
4062 ((u32)srb->cmnd[5] << 8) | srb->cmnd[6];
4063
4064#ifdef SUPPORT_SD_LOCK
4065 if (cmd_idx == LOCK_UNLOCK) {
4066 sd_lock_state = sd_card->sd_lock_status;
4067 sd_lock_state &= SD_LOCKED;
4068 }
4069#endif
4070
4071 retval = get_rsp_type(srb, &rsp_type, &rsp_len);
4072 if (retval != STATUS_SUCCESS) {
4073 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
4074 TRACE_RET(chip, TRANSPORT_FAILED);
4075 }
4076 sd_card->last_rsp_type = rsp_type;
4077
4078 retval = sd_switch_clock(chip);
4079 if (retval != STATUS_SUCCESS)
4080 TRACE_RET(chip, TRANSPORT_FAILED);
4081
4082#ifdef SUPPORT_SD_LOCK
4083 if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) {
4084 if (CHK_MMC_8BIT(sd_card)) {
4085 retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03,
4086 SD_BUS_WIDTH_8);
4087 if (retval != STATUS_SUCCESS)
4088 TRACE_RET(chip, TRANSPORT_FAILED);
4089
4090 } else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card)) {
4091 retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03,
4092 SD_BUS_WIDTH_4);
4093 if (retval != STATUS_SUCCESS)
4094 TRACE_RET(chip, TRANSPORT_FAILED);
4095 }
4096 }
4097#else
4098 retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03, SD_BUS_WIDTH_4);
4099 if (retval != STATUS_SUCCESS)
4100 TRACE_RET(chip, TRANSPORT_FAILED);
4101#endif
4102
4103 if (data_len < 512) {
4104 retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, data_len,
4105 SD_RSP_TYPE_R1, NULL, 0, 0);
4106 if (retval != STATUS_SUCCESS)
4107 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4108 }
4109
4110 if (standby) {
4111 retval = sd_select_card(chip, 0);
4112 if (retval != STATUS_SUCCESS)
4113 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4114 }
4115
4116 if (acmd) {
4117 retval = ext_sd_send_cmd_get_rsp(chip, APP_CMD,
4118 sd_card->sd_addr,
4119 SD_RSP_TYPE_R1, NULL, 0, 0);
4120 if (retval != STATUS_SUCCESS)
4121 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4122 }
4123
4124 retval = ext_sd_send_cmd_get_rsp(chip, cmd_idx, arg, rsp_type,
4125 sd_card->rsp, rsp_len, 0);
4126 if (retval != STATUS_SUCCESS)
4127 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4128
4129 if (data_len <= 512) {
4130 u16 i;
4131 u8 *buf;
4132
4133 buf = kmalloc(data_len, GFP_KERNEL);
4134 if (buf == NULL)
4135 TRACE_RET(chip, TRANSPORT_ERROR);
4136
4137 rtsx_stor_get_xfer_buf(buf, data_len, srb);
4138
4139#ifdef SUPPORT_SD_LOCK
4140 if (cmd_idx == LOCK_UNLOCK)
4141 lock_cmd_type = buf[0] & 0x0F;
4142#endif
4143
4144 if (data_len > 256) {
4145 rtsx_init_cmd(chip);
4146 for (i = 0; i < 256; i++) {
4147 rtsx_add_cmd(chip, WRITE_REG_CMD,
4148 PPBUF_BASE2 + i, 0xFF, buf[i]);
4149 }
4150 retval = rtsx_send_cmd(chip, 0, 250);
4151 if (retval != STATUS_SUCCESS) {
4152 kfree(buf);
4153 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4154 }
4155
4156 rtsx_init_cmd(chip);
4157 for (i = 256; i < data_len; i++) {
4158 rtsx_add_cmd(chip, WRITE_REG_CMD,
4159 PPBUF_BASE2 + i, 0xFF, buf[i]);
4160 }
4161 retval = rtsx_send_cmd(chip, 0, 250);
4162 if (retval != STATUS_SUCCESS) {
4163 kfree(buf);
4164 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4165 }
4166 } else {
4167 rtsx_init_cmd(chip);
4168 for (i = 0; i < data_len; i++) {
4169 rtsx_add_cmd(chip, WRITE_REG_CMD,
4170 PPBUF_BASE2 + i, 0xFF, buf[i]);
4171 }
4172 retval = rtsx_send_cmd(chip, 0, 250);
4173 if (retval != STATUS_SUCCESS) {
4174 kfree(buf);
4175 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4176 }
4177 }
4178
4179 kfree(buf);
4180
4181 rtsx_init_cmd(chip);
4182
4183 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF,
4184 srb->cmnd[8] & 0x03);
4185 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF,
4186 srb->cmnd[9]);
4187 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF,
4188 0x00);
4189 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF,
4190 0x01);
4191 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
4192 PINGPONG_BUFFER);
4193
4194 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
4195 SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START);
4196 rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER,
4197 SD_TRANSFER_END, SD_TRANSFER_END);
4198
4199 retval = rtsx_send_cmd(chip, SD_CARD, 250);
4200 } else if (!(data_len & 0x1FF)) {
4201 rtsx_init_cmd(chip);
4202
4203 trans_dma_enable(DMA_TO_DEVICE, chip, data_len, DMA_512);
4204
4205 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF,
4206 0x02);
4207 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF,
4208 0x00);
4209 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H,
4210 0xFF, (srb->cmnd[7] & 0xFE) >> 1);
4211 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L,
4212 0xFF, (u8)((data_len & 0x0001FE00) >> 9));
4213
4214 rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
4215 SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START);
4216 rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER,
4217 SD_TRANSFER_END, SD_TRANSFER_END);
4218
4219 rtsx_send_cmd_no_wait(chip);
4220
4221 retval = rtsx_transfer_data(chip, SD_CARD, scsi_sglist(srb),
4222 scsi_bufflen(srb), scsi_sg_count(srb),
4223 DMA_TO_DEVICE, 10000);
4224
4225 } else {
4226 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4227 }
4228
4229 if (retval < 0) {
4230 write_err = 1;
4231 rtsx_clear_sd_error(chip);
4232 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4233 }
4234
4235#ifdef SUPPORT_SD_LOCK
4236 if (cmd_idx == LOCK_UNLOCK) {
4237 if (lock_cmd_type == SD_ERASE) {
4238 sd_card->sd_erase_status = SD_UNDER_ERASING;
4239 scsi_set_resid(srb, 0);
4240 return TRANSPORT_GOOD;
4241 }
4242
4243 rtsx_init_cmd(chip);
4244 rtsx_add_cmd(chip, CHECK_REG_CMD, 0xFD30, 0x02, 0x02);
4245
4246 rtsx_send_cmd(chip, SD_CARD, 250);
4247
4248 retval = sd_update_lock_status(chip);
4249 if (retval != STATUS_SUCCESS) {
4250 RTSX_DEBUGP("Lock command fail!\n");
4251 lock_cmd_fail = 1;
4252 }
4253 }
4254#endif /* SUPPORT_SD_LOCK */
4255
4256 if (standby) {
4257 retval = sd_select_card(chip, 1);
4258 if (retval != STATUS_SUCCESS)
4259 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4260 }
4261
4262 if (send_cmd12) {
4263 retval = ext_sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION,
4264 0, SD_RSP_TYPE_R1b, NULL, 0, 0);
4265 if (retval != STATUS_SUCCESS)
4266 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4267 }
4268
4269 if (data_len < 512) {
4270 retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200,
4271 SD_RSP_TYPE_R1, NULL, 0, 0);
4272 if (retval != STATUS_SUCCESS)
4273 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4274
4275 retval = rtsx_write_register(chip, SD_BYTE_CNT_H, 0xFF, 0x02);
4276 if (retval != STATUS_SUCCESS)
4277 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4278
4279 rtsx_write_register(chip, SD_BYTE_CNT_L, 0xFF, 0x00);
4280 if (retval != STATUS_SUCCESS)
4281 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4282 }
4283
4284 if ((srb->cmnd[1] & 0x02) || (srb->cmnd[1] & 0x04))
4285 cmd13_checkbit = 1;
4286
4287 for (i = 0; i < 3; i++) {
4288 retval = ext_sd_send_cmd_get_rsp(chip, SEND_STATUS,
4289 sd_card->sd_addr,
4290 SD_RSP_TYPE_R1, NULL, 0,
4291 cmd13_checkbit);
4292 if (retval == STATUS_SUCCESS)
4293 break;
4294 }
4295 if (retval != STATUS_SUCCESS)
4296 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4297
4298#ifdef SUPPORT_SD_LOCK
4299 if (cmd_idx == LOCK_UNLOCK) {
4300 if (!lock_cmd_fail) {
4301 RTSX_DEBUGP("lock_cmd_type = 0x%x\n", lock_cmd_type);
4302 if (lock_cmd_type & SD_CLR_PWD)
4303 sd_card->sd_lock_status &= ~SD_PWD_EXIST;
4304
4305 if (lock_cmd_type & SD_SET_PWD)
4306 sd_card->sd_lock_status |= SD_PWD_EXIST;
4307 }
4308
4309 RTSX_DEBUGP("sd_lock_state = 0x%x, sd_card->sd_lock_status = 0x%x\n",
4310 sd_lock_state, sd_card->sd_lock_status);
4311 if (sd_lock_state ^ (sd_card->sd_lock_status & SD_LOCKED)) {
4312 sd_card->sd_lock_notify = 1;
4313 if (sd_lock_state) {
4314 if (sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) {
4315 sd_card->sd_lock_status |= (
4316 SD_UNLOCK_POW_ON | SD_SDR_RST);
4317 if (CHK_SD(sd_card)) {
4318 retval = reset_sd(chip);
4319 if (retval != STATUS_SUCCESS) {
4320 sd_card->sd_lock_status &= ~(SD_UNLOCK_POW_ON | SD_SDR_RST);
4321 TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
4322 }
4323 }
4324
4325 sd_card->sd_lock_status &= ~(SD_UNLOCK_POW_ON | SD_SDR_RST);
4326 }
4327 }
4328 }
4329 }
4330
4331 if (lock_cmd_fail) {
4332 scsi_set_resid(srb, 0);
4333 set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
4334 TRACE_RET(chip, TRANSPORT_FAILED);
4335 }
4336#endif /* SUPPORT_SD_LOCK */
4337
4338 scsi_set_resid(srb, 0);
4339 return TRANSPORT_GOOD;
4340
4341SD_Execute_Write_Cmd_Failed:
4342 sd_card->pre_cmd_err = 1;
4343 set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
4344 if (write_err)
4345 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
4346
4347 release_sd_card(chip);
4348 do_reset_sd_card(chip);
4349 if (!(chip->card_ready & SD_CARD))
4350 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
4351
4352 TRACE_RET(chip, TRANSPORT_FAILED);
4353}
4354
4355int sd_get_cmd_rsp(struct scsi_cmnd *srb, struct rtsx_chip *chip)
4356{
4357 struct sd_info *sd_card = &(chip->sd_card);
4358 unsigned int lun = SCSI_LUN(srb);
4359 int count;
4360 u16 data_len;
4361
4362 if (!sd_card->sd_pass_thru_en) {
4363 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
4364 TRACE_RET(chip, TRANSPORT_FAILED);
4365 }
4366
4367 if (sd_card->pre_cmd_err) {
4368 sd_card->pre_cmd_err = 0;
4369 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
4370 TRACE_RET(chip, TRANSPORT_FAILED);
4371 }
4372
4373 data_len = ((u16)srb->cmnd[7] << 8) | srb->cmnd[8];
4374
4375 if (sd_card->last_rsp_type == SD_RSP_TYPE_R0) {
4376 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
4377 TRACE_RET(chip, TRANSPORT_FAILED);
4378 } else if (sd_card->last_rsp_type == SD_RSP_TYPE_R2) {
4379 count = (data_len < 17) ? data_len : 17;
4380 } else {
4381 count = (data_len < 6) ? data_len : 6;
4382 }
4383 rtsx_stor_set_xfer_buf(sd_card->rsp, count, srb);
4384
4385 RTSX_DEBUGP("Response length: %d\n", data_len);
4386 RTSX_DEBUGP("Response: 0x%x 0x%x 0x%x 0x%x\n", sd_card->rsp[0],
4387 sd_card->rsp[1], sd_card->rsp[2], sd_card->rsp[3]);
4388
4389 scsi_set_resid(srb, 0);
4390 return TRANSPORT_GOOD;
4391}
4392
4393int sd_hw_rst(struct scsi_cmnd *srb, struct rtsx_chip *chip)
4394{
4395 struct sd_info *sd_card = &(chip->sd_card);
4396 unsigned int lun = SCSI_LUN(srb);
4397 int retval;
4398
4399 if (!sd_card->sd_pass_thru_en) {
4400 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
4401 TRACE_RET(chip, TRANSPORT_FAILED);
4402 }
4403
4404 if (sd_card->pre_cmd_err) {
4405 sd_card->pre_cmd_err = 0;
4406 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
4407 TRACE_RET(chip, TRANSPORT_FAILED);
4408 }
4409
4410 if ((0x53 != srb->cmnd[2]) || (0x44 != srb->cmnd[3]) ||
4411 (0x20 != srb->cmnd[4]) || (0x43 != srb->cmnd[5]) ||
4412 (0x61 != srb->cmnd[6]) || (0x72 != srb->cmnd[7]) ||
4413 (0x64 != srb->cmnd[8])) {
4414 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
4415 TRACE_RET(chip, TRANSPORT_FAILED);
4416 }
4417
4418 switch (srb->cmnd[1] & 0x0F) {
4419 case 0:
4420#ifdef SUPPORT_SD_LOCK
4421 if (0x64 == srb->cmnd[9])
4422 sd_card->sd_lock_status |= SD_SDR_RST;
4423#endif
4424 retval = reset_sd_card(chip);
4425 if (retval != STATUS_SUCCESS) {
4426#ifdef SUPPORT_SD_LOCK
4427 sd_card->sd_lock_status &= ~SD_SDR_RST;
4428#endif
4429 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
4430 sd_card->pre_cmd_err = 1;
4431 TRACE_RET(chip, TRANSPORT_FAILED);
4432 }
4433#ifdef SUPPORT_SD_LOCK
4434 sd_card->sd_lock_status &= ~SD_SDR_RST;
4435#endif
4436 break;
4437
4438 case 1:
4439 retval = soft_reset_sd_card(chip);
4440 if (retval != STATUS_SUCCESS) {
4441 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
4442 sd_card->pre_cmd_err = 1;
4443 TRACE_RET(chip, TRANSPORT_FAILED);
4444 }
4445 break;
4446
4447 default:
4448 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
4449 TRACE_RET(chip, TRANSPORT_FAILED);
4450 }
4451
4452 scsi_set_resid(srb, 0);
4453 return TRANSPORT_GOOD;
4454}
4455#endif
4456
4457void sd_cleanup_work(struct rtsx_chip *chip)
4458{
4459 struct sd_info *sd_card = &(chip->sd_card);
4460
4461 if (sd_card->seq_mode) {
4462 RTSX_DEBUGP("SD: stop transmission\n");
4463 sd_stop_seq_mode(chip);
4464 sd_card->cleanup_counter = 0;
4465 }
4466}
4467
4468int sd_power_off_card3v3(struct rtsx_chip *chip)
4469{
4470 int retval;
4471
4472 retval = disable_card_clock(chip, SD_CARD);
4473 if (retval != STATUS_SUCCESS)
4474 TRACE_RET(chip, STATUS_FAIL);
4475
4476 RTSX_WRITE_REG(chip, CARD_OE, SD_OUTPUT_EN, 0);
4477
4478 if (!chip->ft2_fast_mode) {
4479 retval = card_power_off(chip, SD_CARD);
4480 if (retval != STATUS_SUCCESS)
4481 TRACE_RET(chip, STATUS_FAIL);
4482
4483 wait_timeout(50);
4484 }
4485
4486 if (chip->asic_code) {
4487 retval = sd_pull_ctl_disable(chip);
4488 if (retval != STATUS_SUCCESS)
4489 TRACE_RET(chip, STATUS_FAIL);
4490 } else {
4491 RTSX_WRITE_REG(chip, FPGA_PULL_CTL,
4492 FPGA_SD_PULL_CTL_BIT | 0x20, FPGA_SD_PULL_CTL_BIT);
4493 }
4494
4495 return STATUS_SUCCESS;
4496}
4497
4498int release_sd_card(struct rtsx_chip *chip)
4499{
4500 struct sd_info *sd_card = &(chip->sd_card);
4501 int retval;
4502
4503 RTSX_DEBUGP("release_sd_card\n");
4504
4505 chip->card_ready &= ~SD_CARD;
4506 chip->card_fail &= ~SD_CARD;
4507 chip->card_wp &= ~SD_CARD;
4508
4509 chip->sd_io = 0;
4510 chip->sd_int = 0;
4511
4512#ifdef SUPPORT_SD_LOCK
4513 sd_card->sd_lock_status = 0;
4514 sd_card->sd_erase_status = 0;
4515#endif
4516
4517 memset(sd_card->raw_csd, 0, 16);
4518 memset(sd_card->raw_scr, 0, 8);
4519
4520 retval = sd_power_off_card3v3(chip);
4521 if (retval != STATUS_SUCCESS)
4522 TRACE_RET(chip, STATUS_FAIL);
4523
4524 return STATUS_SUCCESS;
4525}