1 /* Driver for Realtek PCI-Express card reader
3 * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
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
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.
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/>.
19 * wwang (wei_wang@realsil.com.cn)
20 * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
23 #include <linux/blkdev.h>
24 #include <linux/kthread.h>
25 #include <linux/sched.h>
28 #include "rtsx_transport.h"
29 #include "rtsx_scsi.h"
30 #include "rtsx_card.h"
33 #define SD_MAX_RETRY_COUNT 3
35 static u16 REG_SD_CFG1
;
36 static u16 REG_SD_CFG2
;
37 static u16 REG_SD_CFG3
;
38 static u16 REG_SD_STAT1
;
39 static u16 REG_SD_STAT2
;
40 static u16 REG_SD_BUS_STAT
;
41 static u16 REG_SD_PAD_CTL
;
42 static u16 REG_SD_SAMPLE_POINT_CTL
;
43 static u16 REG_SD_PUSH_POINT_CTL
;
44 static u16 REG_SD_CMD0
;
45 static u16 REG_SD_CMD1
;
46 static u16 REG_SD_CMD2
;
47 static u16 REG_SD_CMD3
;
48 static u16 REG_SD_CMD4
;
49 static u16 REG_SD_CMD5
;
50 static u16 REG_SD_BYTE_CNT_L
;
51 static u16 REG_SD_BYTE_CNT_H
;
52 static u16 REG_SD_BLOCK_CNT_L
;
53 static u16 REG_SD_BLOCK_CNT_H
;
54 static u16 REG_SD_TRANSFER
;
55 static u16 REG_SD_VPCLK0_CTL
;
56 static u16 REG_SD_VPCLK1_CTL
;
57 static u16 REG_SD_DCMPS0_CTL
;
58 static u16 REG_SD_DCMPS1_CTL
;
60 static inline void sd_set_err_code(struct rtsx_chip
*chip
, u8 err_code
)
62 struct sd_info
*sd_card
= &(chip
->sd_card
);
64 sd_card
->err_code
|= err_code
;
67 static inline void sd_clr_err_code(struct rtsx_chip
*chip
)
69 struct sd_info
*sd_card
= &(chip
->sd_card
);
71 sd_card
->err_code
= 0;
74 static inline int sd_check_err_code(struct rtsx_chip
*chip
, u8 err_code
)
76 struct sd_info
*sd_card
= &(chip
->sd_card
);
78 return sd_card
->err_code
& err_code
;
81 static void sd_init_reg_addr(struct rtsx_chip
*chip
)
83 if (CHECK_PID(chip
, 0x5209)) {
84 REG_SD_CFG1
= SD_CFG1
;
85 REG_SD_CFG2
= SD_CFG2
;
86 REG_SD_CFG3
= SD_CFG3
;
87 REG_SD_STAT1
= SD_STAT1
;
88 REG_SD_STAT2
= SD_STAT2
;
89 REG_SD_BUS_STAT
= SD_BUS_STAT
;
90 REG_SD_PAD_CTL
= SD_PAD_CTL
;
91 REG_SD_SAMPLE_POINT_CTL
= SD_SAMPLE_POINT_CTL
;
92 REG_SD_PUSH_POINT_CTL
= SD_PUSH_POINT_CTL
;
93 REG_SD_CMD0
= SD_CMD0
;
94 REG_SD_CMD1
= SD_CMD1
;
95 REG_SD_CMD2
= SD_CMD2
;
96 REG_SD_CMD3
= SD_CMD3
;
97 REG_SD_CMD4
= SD_CMD4
;
98 REG_SD_CMD5
= SD_CMD5
;
99 REG_SD_BYTE_CNT_L
= SD_BYTE_CNT_L
;
100 REG_SD_BYTE_CNT_H
= SD_BYTE_CNT_H
;
101 REG_SD_BLOCK_CNT_L
= SD_BLOCK_CNT_L
;
102 REG_SD_BLOCK_CNT_H
= SD_BLOCK_CNT_H
;
103 REG_SD_TRANSFER
= SD_TRANSFER
;
104 REG_SD_VPCLK0_CTL
= SD_VPCLK0_CTL
;
105 REG_SD_VPCLK1_CTL
= SD_VPCLK1_CTL
;
106 REG_SD_DCMPS0_CTL
= SD_DCMPS0_CTL
;
107 REG_SD_DCMPS1_CTL
= SD_DCMPS1_CTL
;
109 REG_SD_CFG1
= 0xFD31;
110 REG_SD_CFG2
= 0xFD33;
111 REG_SD_CFG3
= 0xFD3E;
112 REG_SD_STAT1
= 0xFD30;
116 REG_SD_SAMPLE_POINT_CTL
= 0;
117 REG_SD_PUSH_POINT_CTL
= 0;
118 REG_SD_CMD0
= 0xFD34;
119 REG_SD_CMD1
= 0xFD35;
120 REG_SD_CMD2
= 0xFD36;
121 REG_SD_CMD3
= 0xFD37;
122 REG_SD_CMD4
= 0xFD38;
123 REG_SD_CMD5
= 0xFD5A;
124 REG_SD_BYTE_CNT_L
= 0xFD39;
125 REG_SD_BYTE_CNT_H
= 0xFD3A;
126 REG_SD_BLOCK_CNT_L
= 0xFD3B;
127 REG_SD_BLOCK_CNT_H
= 0xFD3C;
128 REG_SD_TRANSFER
= 0xFD32;
129 REG_SD_VPCLK0_CTL
= 0;
130 REG_SD_VPCLK1_CTL
= 0;
131 REG_SD_DCMPS0_CTL
= 0;
132 REG_SD_DCMPS1_CTL
= 0;
136 static int sd_check_data0_status(struct rtsx_chip
*chip
)
140 if (CHECK_PID(chip
, 0x5209)) {
141 RTSX_READ_REG(chip
, REG_SD_BUS_STAT
, &stat
);
143 RTSX_READ_REG(chip
, REG_SD_STAT1
, &stat
);
146 if (!(stat
& SD_DAT0_STATUS
)) {
147 sd_set_err_code(chip
, SD_BUSY
);
148 TRACE_RET(chip
, STATUS_FAIL
);
151 return STATUS_SUCCESS
;
154 static int sd_send_cmd_get_rsp(struct rtsx_chip
*chip
, u8 cmd_idx
,
155 u32 arg
, u8 rsp_type
, u8
*rsp
, int rsp_len
)
157 struct sd_info
*sd_card
= &(chip
->sd_card
);
165 sd_clr_err_code(chip
);
167 RTSX_DEBUGP("SD/MMC CMD %d, arg = 0x%08x\n", cmd_idx
, arg
);
169 if (rsp_type
== SD_RSP_TYPE_R1b
)
176 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD0
, 0xFF, 0x40 | cmd_idx
);
177 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD1
, 0xFF, (u8
)(arg
>> 24));
178 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD2
, 0xFF, (u8
)(arg
>> 16));
179 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD3
, 0xFF, (u8
)(arg
>> 8));
180 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD4
, 0xFF, (u8
)arg
);
182 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG2
, 0xFF, rsp_type
);
183 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_DATA_SOURCE
,
184 0x01, PINGPONG_BUFFER
);
185 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_TRANSFER
,
186 0xFF, SD_TM_CMD_RSP
| SD_TRANSFER_START
);
187 rtsx_add_cmd(chip
, CHECK_REG_CMD
, REG_SD_TRANSFER
,
188 SD_TRANSFER_END
| SD_STAT_IDLE
, SD_TRANSFER_END
| SD_STAT_IDLE
);
190 if (rsp_type
== SD_RSP_TYPE_R2
) {
191 for (reg_addr
= PPBUF_BASE2
; reg_addr
< PPBUF_BASE2
+ 16; reg_addr
++) {
192 rtsx_add_cmd(chip
, READ_REG_CMD
, reg_addr
, 0, 0);
195 } else if (rsp_type
!= SD_RSP_TYPE_R0
) {
196 for (reg_addr
= REG_SD_CMD0
; reg_addr
<= REG_SD_CMD4
; reg_addr
++) {
197 rtsx_add_cmd(chip
, READ_REG_CMD
, reg_addr
, 0, 0);
202 rtsx_add_cmd(chip
, READ_REG_CMD
, REG_SD_STAT1
, 0, 0);
204 retval
= rtsx_send_cmd(chip
, SD_CARD
, timeout
);
208 rtsx_read_register(chip
, REG_SD_STAT1
, &val
);
209 RTSX_DEBUGP("SD_STAT1: 0x%x\n", val
);
211 if (CHECK_PID(chip
, 0x5209)) {
212 rtsx_read_register(chip
, REG_SD_STAT2
, &val
);
213 RTSX_DEBUGP("SD_STAT2: 0x%x\n", val
);
215 if (val
& SD_RSP_80CLK_TIMEOUT
) {
216 rtsx_clear_sd_error(chip
);
217 sd_set_err_code(chip
, SD_RSP_TIMEOUT
);
218 TRACE_RET(chip
, STATUS_FAIL
);
221 rtsx_read_register(chip
, REG_SD_BUS_STAT
, &val
);
222 RTSX_DEBUGP("SD_BUS_STAT: 0x%x\n", val
);
224 rtsx_read_register(chip
, REG_SD_CFG3
, &val
);
225 RTSX_DEBUGP("SD_CFG3: 0x%x\n", val
);
228 if (retval
== -ETIMEDOUT
) {
229 if (rsp_type
& SD_WAIT_BUSY_END
) {
230 retval
= sd_check_data0_status(chip
);
231 if (retval
!= STATUS_SUCCESS
) {
232 rtsx_clear_sd_error(chip
);
233 TRACE_RET(chip
, retval
);
236 sd_set_err_code(chip
, SD_TO_ERR
);
238 retval
= STATUS_TIMEDOUT
;
240 retval
= STATUS_FAIL
;
242 rtsx_clear_sd_error(chip
);
244 TRACE_RET(chip
, retval
);
247 if (rsp_type
== SD_RSP_TYPE_R0
)
248 return STATUS_SUCCESS
;
250 ptr
= rtsx_get_cmd_data(chip
) + 1;
252 if ((ptr
[0] & 0xC0) != 0) {
253 sd_set_err_code(chip
, SD_STS_ERR
);
254 TRACE_RET(chip
, STATUS_FAIL
);
257 if (!(rsp_type
& SD_NO_CHECK_CRC7
)) {
258 if (ptr
[stat_idx
] & SD_CRC7_ERR
) {
259 if (cmd_idx
== WRITE_MULTIPLE_BLOCK
) {
260 sd_set_err_code(chip
, SD_CRC_ERR
);
261 TRACE_RET(chip
, STATUS_FAIL
);
263 if (rty_cnt
< SD_MAX_RETRY_COUNT
) {
268 sd_set_err_code(chip
, SD_CRC_ERR
);
269 TRACE_RET(chip
, STATUS_FAIL
);
274 if ((rsp_type
== SD_RSP_TYPE_R1
) || (rsp_type
== SD_RSP_TYPE_R1b
)) {
275 if ((cmd_idx
!= SEND_RELATIVE_ADDR
) && (cmd_idx
!= SEND_IF_COND
)) {
276 if (cmd_idx
!= STOP_TRANSMISSION
) {
278 TRACE_RET(chip
, STATUS_FAIL
);
281 #ifdef SUPPORT_SD_LOCK
287 RTSX_DEBUGP("ptr[1]: 0x%02x\n", ptr
[1]);
288 TRACE_RET(chip
, STATUS_FAIL
);
291 RTSX_DEBUGP("ptr[2]: 0x%02x\n", ptr
[2]);
292 TRACE_RET(chip
, STATUS_FAIL
);
295 RTSX_DEBUGP("ptr[3]: 0x%02x\n", ptr
[3]);
296 TRACE_RET(chip
, STATUS_FAIL
);
299 sd_card
->sd_data_buf_ready
= 1;
301 sd_card
->sd_data_buf_ready
= 0;
307 memcpy(rsp
, ptr
, rsp_len
);
309 return STATUS_SUCCESS
;
312 static int sd_read_data(struct rtsx_chip
*chip
,
313 u8 trans_mode
, u8
*cmd
, int cmd_len
, u16 byte_cnt
,
314 u16 blk_cnt
, u8 bus_width
, u8
*buf
, int buf_len
,
317 struct sd_info
*sd_card
= &(chip
->sd_card
);
321 sd_clr_err_code(chip
);
327 TRACE_RET(chip
, STATUS_FAIL
);
333 RTSX_DEBUGP("SD/MMC CMD %d\n", cmd
[0] - 0x40);
334 for (i
= 0; i
< (cmd_len
< 6 ? cmd_len
: 6); i
++) {
335 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD0
+ i
, 0xFF, cmd
[i
]);
338 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_L
, 0xFF, (u8
)byte_cnt
);
339 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_H
, 0xFF, (u8
)(byte_cnt
>> 8));
340 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_L
, 0xFF, (u8
)blk_cnt
);
341 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_H
, 0xFF, (u8
)(blk_cnt
>> 8));
343 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG1
, 0x03, bus_width
);
345 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG2
, 0xFF,
346 SD_CALCULATE_CRC7
| SD_CHECK_CRC16
| SD_NO_WAIT_BUSY_END
|
347 SD_CHECK_CRC7
| SD_RSP_LEN_6
);
348 if (trans_mode
!= SD_TM_AUTO_TUNING
) {
349 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_DATA_SOURCE
, 0x01, PINGPONG_BUFFER
);
351 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_TRANSFER
, 0xFF, trans_mode
| SD_TRANSFER_START
);
352 rtsx_add_cmd(chip
, CHECK_REG_CMD
, REG_SD_TRANSFER
, SD_TRANSFER_END
, SD_TRANSFER_END
);
354 retval
= rtsx_send_cmd(chip
, SD_CARD
, timeout
);
356 if (retval
== -ETIMEDOUT
) {
357 sd_send_cmd_get_rsp(chip
, SEND_STATUS
, sd_card
->sd_addr
,
358 SD_RSP_TYPE_R1
, NULL
, 0);
361 TRACE_RET(chip
, STATUS_FAIL
);
364 if (buf
&& buf_len
) {
365 retval
= rtsx_read_ppbuf(chip
, buf
, buf_len
);
366 if (retval
!= STATUS_SUCCESS
) {
367 TRACE_RET(chip
, STATUS_FAIL
);
371 return STATUS_SUCCESS
;
374 static int sd_write_data(struct rtsx_chip
*chip
, u8 trans_mode
,
375 u8
*cmd
, int cmd_len
, u16 byte_cnt
, u16 blk_cnt
, u8 bus_width
,
376 u8
*buf
, int buf_len
, int timeout
)
378 struct sd_info
*sd_card
= &(chip
->sd_card
);
382 sd_clr_err_code(chip
);
388 /* This function can't write data more than one page */
389 TRACE_RET(chip
, STATUS_FAIL
);
392 if (buf
&& buf_len
) {
393 retval
= rtsx_write_ppbuf(chip
, buf
, buf_len
);
394 if (retval
!= STATUS_SUCCESS
) {
395 TRACE_RET(chip
, STATUS_FAIL
);
402 RTSX_DEBUGP("SD/MMC CMD %d\n", cmd
[0] - 0x40);
403 for (i
= 0; i
< (cmd_len
< 6 ? cmd_len
: 6); i
++) {
404 rtsx_add_cmd(chip
, WRITE_REG_CMD
,
405 REG_SD_CMD0
+ i
, 0xFF, cmd
[i
]);
408 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_L
, 0xFF, (u8
)byte_cnt
);
409 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_H
, 0xFF, (u8
)(byte_cnt
>> 8));
410 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_L
, 0xFF, (u8
)blk_cnt
);
411 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_H
, 0xFF, (u8
)(blk_cnt
>> 8));
413 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG1
, 0x03, bus_width
);
415 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG2
, 0xFF,
416 SD_CALCULATE_CRC7
| SD_CHECK_CRC16
| SD_NO_WAIT_BUSY_END
|
417 SD_CHECK_CRC7
| SD_RSP_LEN_6
);
419 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_TRANSFER
, 0xFF, trans_mode
| SD_TRANSFER_START
);
420 rtsx_add_cmd(chip
, CHECK_REG_CMD
, REG_SD_TRANSFER
, SD_TRANSFER_END
, SD_TRANSFER_END
);
422 retval
= rtsx_send_cmd(chip
, SD_CARD
, timeout
);
424 if (retval
== -ETIMEDOUT
) {
425 sd_send_cmd_get_rsp(chip
, SEND_STATUS
,
426 sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
429 TRACE_RET(chip
, STATUS_FAIL
);
432 return STATUS_SUCCESS
;
435 static int sd_check_csd(struct rtsx_chip
*chip
, char check_wp
)
437 struct sd_info
*sd_card
= &(chip
->sd_card
);
440 u8 csd_ver
, trans_speed
;
443 for (i
= 0; i
< 6; i
++) {
444 if (detect_card_cd(chip
, SD_CARD
) != STATUS_SUCCESS
) {
445 sd_set_err_code(chip
, SD_NO_CARD
);
446 TRACE_RET(chip
, STATUS_FAIL
);
449 retval
= sd_send_cmd_get_rsp(chip
, SEND_CSD
, sd_card
->sd_addr
, SD_RSP_TYPE_R2
, rsp
, 16);
450 if (retval
== STATUS_SUCCESS
)
455 TRACE_RET(chip
, STATUS_FAIL
);
458 memcpy(sd_card
->raw_csd
, rsp
+ 1, 15);
460 if (CHECK_PID(chip
, 0x5209)) {
461 RTSX_READ_REG(chip
, REG_SD_CMD5
, sd_card
->raw_csd
+ 15);
464 RTSX_DEBUGP("CSD Response:\n");
465 RTSX_DUMP(sd_card
->raw_csd
, 16);
467 csd_ver
= (rsp
[1] & 0xc0) >> 6;
468 RTSX_DEBUGP("csd_ver = %d\n", csd_ver
);
470 trans_speed
= rsp
[4];
471 if ((trans_speed
& 0x07) == 0x02) {
472 if ((trans_speed
& 0xf8) >= 0x30) {
473 if (chip
->asic_code
) {
474 sd_card
->sd_clock
= 47;
476 sd_card
->sd_clock
= CLK_50
;
478 } else if ((trans_speed
& 0xf8) == 0x28) {
479 if (chip
->asic_code
) {
480 sd_card
->sd_clock
= 39;
482 sd_card
->sd_clock
= CLK_40
;
484 } else if ((trans_speed
& 0xf8) == 0x20) {
485 if (chip
->asic_code
) {
486 sd_card
->sd_clock
= 29;
488 sd_card
->sd_clock
= CLK_30
;
490 } else if ((trans_speed
& 0xf8) >= 0x10) {
491 if (chip
->asic_code
) {
492 sd_card
->sd_clock
= 23;
494 sd_card
->sd_clock
= CLK_20
;
496 } else if ((trans_speed
& 0x08) >= 0x08) {
497 if (chip
->asic_code
) {
498 sd_card
->sd_clock
= 19;
500 sd_card
->sd_clock
= CLK_20
;
503 TRACE_RET(chip
, STATUS_FAIL
);
506 TRACE_RET(chip
, STATUS_FAIL
);
509 if (CHK_MMC_SECTOR_MODE(sd_card
)) {
510 sd_card
->capacity
= 0;
512 if ((!CHK_SD_HCXC(sd_card
)) || (csd_ver
== 0)) {
513 u8 blk_size
, c_size_mult
;
515 blk_size
= rsp
[6] & 0x0F;
516 c_size
= ((u16
)(rsp
[7] & 0x03) << 10)
518 + ((u16
)(rsp
[9] & 0xC0) >> 6);
519 c_size_mult
= (u8
)((rsp
[10] & 0x03) << 1);
520 c_size_mult
+= (rsp
[11] & 0x80) >> 7;
521 sd_card
->capacity
= (((u32
)(c_size
+ 1)) * (1 << (c_size_mult
+ 2))) << (blk_size
- 9);
523 u32 total_sector
= 0;
524 total_sector
= (((u32
)rsp
[8] & 0x3f) << 16) |
525 ((u32
)rsp
[9] << 8) | (u32
)rsp
[10];
526 sd_card
->capacity
= (total_sector
+ 1) << 10;
531 if (rsp
[15] & 0x30) {
532 chip
->card_wp
|= SD_CARD
;
534 RTSX_DEBUGP("CSD WP Status: 0x%x\n", rsp
[15]);
537 return STATUS_SUCCESS
;
540 static int sd_set_sample_push_timing(struct rtsx_chip
*chip
)
542 struct sd_info
*sd_card
= &(chip
->sd_card
);
544 if (CHECK_PID(chip
, 0x5209)) {
545 if (CHK_SD_SDR104(sd_card
) || CHK_SD_SDR50(sd_card
)) {
546 RTSX_WRITE_REG(chip
, SD_CFG1
, 0x0C | SD_ASYNC_FIFO_NOT_RST
,
547 SD_30_MODE
| SD_ASYNC_FIFO_NOT_RST
);
548 RTSX_WRITE_REG(chip
, CLK_CTL
, CLK_LOW_FREQ
, CLK_LOW_FREQ
);
549 RTSX_WRITE_REG(chip
, CARD_CLK_SOURCE
, 0xFF,
550 CRC_VAR_CLK0
| SD30_FIX_CLK
| SAMPLE_VAR_CLK1
);
551 RTSX_WRITE_REG(chip
, CLK_CTL
, CLK_LOW_FREQ
, 0);
552 } else if (CHK_SD_DDR50(sd_card
) || CHK_MMC_DDR52(sd_card
)) {
553 RTSX_WRITE_REG(chip
, SD_CFG1
, 0x0C | SD_ASYNC_FIFO_NOT_RST
,
554 SD_DDR_MODE
| SD_ASYNC_FIFO_NOT_RST
);
555 RTSX_WRITE_REG(chip
, CLK_CTL
, CLK_LOW_FREQ
, CLK_LOW_FREQ
);
556 RTSX_WRITE_REG(chip
, CARD_CLK_SOURCE
, 0xFF,
557 CRC_VAR_CLK0
| SD30_FIX_CLK
| SAMPLE_VAR_CLK1
);
558 RTSX_WRITE_REG(chip
, CLK_CTL
, CLK_LOW_FREQ
, 0);
559 RTSX_WRITE_REG(chip
, SD_PUSH_POINT_CTL
, DDR_VAR_TX_CMD_DAT
,
561 RTSX_WRITE_REG(chip
, SD_SAMPLE_POINT_CTL
, DDR_VAR_RX_DAT
| DDR_VAR_RX_CMD
,
562 DDR_VAR_RX_DAT
| DDR_VAR_RX_CMD
);
566 RTSX_WRITE_REG(chip
, SD_CFG1
, 0x0C, SD_20_MODE
);
567 RTSX_WRITE_REG(chip
, CLK_CTL
, CLK_LOW_FREQ
, CLK_LOW_FREQ
);
568 RTSX_WRITE_REG(chip
, CARD_CLK_SOURCE
, 0xFF,
569 CRC_FIX_CLK
| SD30_VAR_CLK0
| SAMPLE_VAR_CLK1
);
570 RTSX_WRITE_REG(chip
, CLK_CTL
, CLK_LOW_FREQ
, 0);
572 if ((chip
->sd_ctl
& SD_PUSH_POINT_CTL_MASK
) == SD_PUSH_POINT_AUTO
) {
573 val
= SD20_TX_NEG_EDGE
;
574 } else if ((chip
->sd_ctl
& SD_PUSH_POINT_CTL_MASK
) == SD_PUSH_POINT_DELAY
) {
575 val
= SD20_TX_14_AHEAD
;
577 val
= SD20_TX_NEG_EDGE
;
579 RTSX_WRITE_REG(chip
, SD_PUSH_POINT_CTL
, SD20_TX_SEL_MASK
, val
);
581 if ((chip
->sd_ctl
& SD_SAMPLE_POINT_CTL_MASK
) == SD_SAMPLE_POINT_AUTO
) {
582 if (chip
->asic_code
) {
583 if (CHK_SD_HS(sd_card
) || CHK_MMC_52M(sd_card
)) {
584 val
= SD20_RX_14_DELAY
;
586 val
= SD20_RX_POS_EDGE
;
589 val
= SD20_RX_14_DELAY
;
591 } else if ((chip
->sd_ctl
& SD_SAMPLE_POINT_CTL_MASK
) == SD_SAMPLE_POINT_DELAY
) {
592 val
= SD20_RX_14_DELAY
;
594 val
= SD20_RX_POS_EDGE
;
596 RTSX_WRITE_REG(chip
, SD_SAMPLE_POINT_CTL
, SD20_RX_SEL_MASK
, val
);
601 if ((chip
->sd_ctl
& SD_PUSH_POINT_CTL_MASK
) == SD_PUSH_POINT_DELAY
) {
605 if ((chip
->sd_ctl
& SD_SAMPLE_POINT_CTL_MASK
) == SD_SAMPLE_POINT_AUTO
) {
606 if (chip
->asic_code
) {
607 if (CHK_SD_HS(sd_card
) || CHK_MMC_52M(sd_card
)) {
621 } else if ((chip
->sd_ctl
& SD_SAMPLE_POINT_CTL_MASK
) == SD_SAMPLE_POINT_DELAY
) {
629 RTSX_WRITE_REG(chip
, REG_SD_CFG1
, 0x1C, val
);
632 return STATUS_SUCCESS
;
635 static void sd_choose_proper_clock(struct rtsx_chip
*chip
)
637 struct sd_info
*sd_card
= &(chip
->sd_card
);
639 if (CHK_SD_SDR104(sd_card
)) {
640 if (chip
->asic_code
) {
641 sd_card
->sd_clock
= chip
->asic_sd_sdr104_clk
;
643 sd_card
->sd_clock
= chip
->fpga_sd_sdr104_clk
;
645 } else if (CHK_SD_DDR50(sd_card
)) {
646 if (chip
->asic_code
) {
647 sd_card
->sd_clock
= chip
->asic_sd_ddr50_clk
;
649 sd_card
->sd_clock
= chip
->fpga_sd_ddr50_clk
;
651 } else if (CHK_SD_SDR50(sd_card
)) {
652 if (chip
->asic_code
) {
653 sd_card
->sd_clock
= chip
->asic_sd_sdr50_clk
;
655 sd_card
->sd_clock
= chip
->fpga_sd_sdr50_clk
;
657 } else if (CHK_SD_HS(sd_card
)) {
658 if (chip
->asic_code
) {
659 sd_card
->sd_clock
= chip
->asic_sd_hs_clk
;
661 sd_card
->sd_clock
= chip
->fpga_sd_hs_clk
;
663 } else if (CHK_MMC_52M(sd_card
) || CHK_MMC_DDR52(sd_card
)) {
664 if (chip
->asic_code
) {
665 sd_card
->sd_clock
= chip
->asic_mmc_52m_clk
;
667 sd_card
->sd_clock
= chip
->fpga_mmc_52m_clk
;
669 } else if (CHK_MMC_26M(sd_card
)) {
670 if (chip
->asic_code
) {
671 sd_card
->sd_clock
= 48;
673 sd_card
->sd_clock
= CLK_50
;
678 static int sd_set_clock_divider(struct rtsx_chip
*chip
, u8 clk_div
)
680 u8 mask
= 0, val
= 0;
682 if (CHECK_PID(chip
, 0x5209)) {
683 mask
= SD_CLK_DIVIDE_MASK
;
687 if (clk_div
== SD_CLK_DIVIDE_0
) {
689 } else if (clk_div
== SD_CLK_DIVIDE_128
) {
691 } else if (clk_div
== SD_CLK_DIVIDE_256
) {
696 RTSX_WRITE_REG(chip
, REG_SD_CFG1
, mask
, val
);
698 return STATUS_SUCCESS
;
701 static int sd_set_init_para(struct rtsx_chip
*chip
)
703 struct sd_info
*sd_card
= &(chip
->sd_card
);
706 retval
= sd_set_sample_push_timing(chip
);
707 if (retval
!= STATUS_SUCCESS
) {
708 TRACE_RET(chip
, STATUS_FAIL
);
711 sd_choose_proper_clock(chip
);
713 retval
= switch_clock(chip
, sd_card
->sd_clock
);
714 if (retval
!= STATUS_SUCCESS
) {
715 TRACE_RET(chip
, STATUS_FAIL
);
718 return STATUS_SUCCESS
;
721 int sd_select_card(struct rtsx_chip
*chip
, int select
)
723 struct sd_info
*sd_card
= &(chip
->sd_card
);
725 u8 cmd_idx
, cmd_type
;
729 cmd_idx
= SELECT_CARD
;
730 cmd_type
= SD_RSP_TYPE_R1
;
731 addr
= sd_card
->sd_addr
;
733 cmd_idx
= DESELECT_CARD
;
734 cmd_type
= SD_RSP_TYPE_R0
;
738 retval
= sd_send_cmd_get_rsp(chip
, cmd_idx
, addr
, cmd_type
, NULL
, 0);
739 if (retval
!= STATUS_SUCCESS
) {
740 TRACE_RET(chip
, STATUS_FAIL
);
743 return STATUS_SUCCESS
;
746 #ifdef SUPPORT_SD_LOCK
747 static int sd_update_lock_status(struct rtsx_chip
*chip
)
749 struct sd_info
*sd_card
= &(chip
->sd_card
);
753 retval
= sd_send_cmd_get_rsp(chip
, SEND_STATUS
, sd_card
->sd_addr
, SD_RSP_TYPE_R1
, rsp
, 5);
754 if (retval
!= STATUS_SUCCESS
) {
755 TRACE_RET(chip
, STATUS_FAIL
);
759 sd_card
->sd_lock_status
|= SD_LOCKED
;
761 sd_card
->sd_lock_status
&= ~SD_LOCKED
;
764 RTSX_DEBUGP("sd_card->sd_lock_status = 0x%x\n", sd_card
->sd_lock_status
);
767 TRACE_RET(chip
, STATUS_FAIL
);
770 return STATUS_SUCCESS
;
774 static int sd_wait_state_data_ready(struct rtsx_chip
*chip
, u8 state
, u8 data_ready
, int polling_cnt
)
776 struct sd_info
*sd_card
= &(chip
->sd_card
);
780 for (i
= 0; i
< polling_cnt
; i
++) {
781 retval
= sd_send_cmd_get_rsp(chip
, SEND_STATUS
,
782 sd_card
->sd_addr
, SD_RSP_TYPE_R1
, rsp
, 5);
783 if (retval
!= STATUS_SUCCESS
) {
784 TRACE_RET(chip
, STATUS_FAIL
);
787 if (((rsp
[3] & 0x1E) == state
) && ((rsp
[3] & 0x01) == data_ready
)) {
788 return STATUS_SUCCESS
;
792 TRACE_RET(chip
, STATUS_FAIL
);
795 static int sd_change_bank_voltage(struct rtsx_chip
*chip
, u8 voltage
)
799 if (voltage
== SD_IO_3V3
) {
800 if (chip
->asic_code
) {
801 retval
= rtsx_write_phy_register(chip
, 0x08, 0x4FC0 | chip
->phy_voltage
);
802 if (retval
!= STATUS_SUCCESS
) {
803 TRACE_RET(chip
, STATUS_FAIL
);
806 RTSX_WRITE_REG(chip
, SD_PAD_CTL
, SD_IO_USING_1V8
, 0);
808 } else if (voltage
== SD_IO_1V8
) {
809 if (chip
->asic_code
) {
810 retval
= rtsx_write_phy_register(chip
, 0x08, 0x4C40 | chip
->phy_voltage
);
811 if (retval
!= STATUS_SUCCESS
) {
812 TRACE_RET(chip
, STATUS_FAIL
);
815 RTSX_WRITE_REG(chip
, SD_PAD_CTL
, SD_IO_USING_1V8
, SD_IO_USING_1V8
);
818 TRACE_RET(chip
, STATUS_FAIL
);
821 return STATUS_SUCCESS
;
824 static int sd_voltage_switch(struct rtsx_chip
*chip
)
829 RTSX_WRITE_REG(chip
, SD_BUS_STAT
, SD_CLK_TOGGLE_EN
| SD_CLK_FORCE_STOP
, SD_CLK_TOGGLE_EN
);
831 retval
= sd_send_cmd_get_rsp(chip
, VOLTAGE_SWITCH
, 0, SD_RSP_TYPE_R1
, NULL
, 0);
832 if (retval
!= STATUS_SUCCESS
) {
833 TRACE_RET(chip
, STATUS_FAIL
);
836 udelay(chip
->sd_voltage_switch_delay
);
838 RTSX_READ_REG(chip
, SD_BUS_STAT
, &stat
);
839 if (stat
& (SD_CMD_STATUS
| SD_DAT3_STATUS
| SD_DAT2_STATUS
|
840 SD_DAT1_STATUS
| SD_DAT0_STATUS
)) {
841 TRACE_RET(chip
, STATUS_FAIL
);
844 RTSX_WRITE_REG(chip
, SD_BUS_STAT
, 0xFF, SD_CLK_FORCE_STOP
);
845 retval
= sd_change_bank_voltage(chip
, SD_IO_1V8
);
846 if (retval
!= STATUS_SUCCESS
) {
847 TRACE_RET(chip
, STATUS_FAIL
);
851 RTSX_WRITE_REG(chip
, SD_BUS_STAT
, 0xFF, SD_CLK_TOGGLE_EN
);
854 RTSX_READ_REG(chip
, SD_BUS_STAT
, &stat
);
855 if ((stat
& (SD_CMD_STATUS
| SD_DAT3_STATUS
| SD_DAT2_STATUS
|
856 SD_DAT1_STATUS
| SD_DAT0_STATUS
)) !=
857 (SD_CMD_STATUS
| SD_DAT3_STATUS
| SD_DAT2_STATUS
|
858 SD_DAT1_STATUS
| SD_DAT0_STATUS
)) {
859 RTSX_DEBUGP("SD_BUS_STAT: 0x%x\n", stat
);
860 rtsx_write_register(chip
, SD_BUS_STAT
, SD_CLK_TOGGLE_EN
| SD_CLK_FORCE_STOP
, 0);
861 rtsx_write_register(chip
, CARD_CLK_EN
, 0xFF, 0);
862 TRACE_RET(chip
, STATUS_FAIL
);
865 RTSX_WRITE_REG(chip
, SD_BUS_STAT
, SD_CLK_TOGGLE_EN
| SD_CLK_FORCE_STOP
, 0);
867 return STATUS_SUCCESS
;
870 static int sd_reset_dcm(struct rtsx_chip
*chip
, u8 tune_dir
)
872 if (tune_dir
== TUNE_RX
) {
873 RTSX_WRITE_REG(chip
, DCM_DRP_CTL
, 0xFF, DCM_RESET
| DCM_RX
);
874 RTSX_WRITE_REG(chip
, DCM_DRP_CTL
, 0xFF, DCM_RX
);
876 RTSX_WRITE_REG(chip
, DCM_DRP_CTL
, 0xFF, DCM_RESET
| DCM_TX
);
877 RTSX_WRITE_REG(chip
, DCM_DRP_CTL
, 0xFF, DCM_TX
);
880 return STATUS_SUCCESS
;
883 static int sd_change_phase(struct rtsx_chip
*chip
, u8 sample_point
, u8 tune_dir
)
885 struct sd_info
*sd_card
= &(chip
->sd_card
);
886 u16 SD_VP_CTL
, SD_DCMPS_CTL
;
891 RTSX_DEBUGP("sd_change_phase (sample_point = %d, tune_dir = %d)\n",
892 sample_point
, tune_dir
);
894 if (tune_dir
== TUNE_RX
) {
895 SD_VP_CTL
= SD_VPRX_CTL
;
896 SD_DCMPS_CTL
= SD_DCMPS_RX_CTL
;
897 if (CHK_SD_DDR50(sd_card
)) {
901 SD_VP_CTL
= SD_VPTX_CTL
;
902 SD_DCMPS_CTL
= SD_DCMPS_TX_CTL
;
905 if (chip
->asic_code
) {
906 RTSX_WRITE_REG(chip
, CLK_CTL
, CHANGE_CLK
, CHANGE_CLK
);
907 RTSX_WRITE_REG(chip
, SD_VP_CTL
, 0x1F, sample_point
);
908 RTSX_WRITE_REG(chip
, SD_VPCLK0_CTL
, PHASE_NOT_RESET
, 0);
909 RTSX_WRITE_REG(chip
, SD_VPCLK0_CTL
, PHASE_NOT_RESET
, PHASE_NOT_RESET
);
910 RTSX_WRITE_REG(chip
, CLK_CTL
, CHANGE_CLK
, 0);
912 #if CONFIG_RTS_PSTOR_DEBUG
913 rtsx_read_register(chip
, SD_VP_CTL
, &val
);
914 RTSX_DEBUGP("SD_VP_CTL: 0x%x\n", val
);
915 rtsx_read_register(chip
, SD_DCMPS_CTL
, &val
);
916 RTSX_DEBUGP("SD_DCMPS_CTL: 0x%x\n", val
);
920 RTSX_WRITE_REG(chip
, SD_VP_CTL
, PHASE_CHANGE
, PHASE_CHANGE
);
922 RTSX_WRITE_REG(chip
, SD_VP_CTL
, 0xFF,
923 PHASE_CHANGE
| PHASE_NOT_RESET
| sample_point
);
925 RTSX_WRITE_REG(chip
, CLK_CTL
, CHANGE_CLK
, CHANGE_CLK
);
927 RTSX_WRITE_REG(chip
, SD_VP_CTL
, 0xFF,
928 PHASE_NOT_RESET
| sample_point
);
933 rtsx_add_cmd(chip
, WRITE_REG_CMD
, SD_DCMPS_CTL
, DCMPS_CHANGE
, DCMPS_CHANGE
);
934 rtsx_add_cmd(chip
, CHECK_REG_CMD
, SD_DCMPS_CTL
, DCMPS_CHANGE_DONE
, DCMPS_CHANGE_DONE
);
935 retval
= rtsx_send_cmd(chip
, SD_CARD
, 100);
936 if (retval
!= STATUS_SUCCESS
) {
937 TRACE_GOTO(chip
, Fail
);
940 val
= *rtsx_get_cmd_data(chip
);
941 if (val
& DCMPS_ERROR
) {
942 TRACE_GOTO(chip
, Fail
);
944 if ((val
& DCMPS_CURRENT_PHASE
) != sample_point
) {
945 TRACE_GOTO(chip
, Fail
);
947 RTSX_WRITE_REG(chip
, SD_DCMPS_CTL
, DCMPS_CHANGE
, 0);
949 RTSX_WRITE_REG(chip
, SD_VP_CTL
, PHASE_CHANGE
, 0);
951 RTSX_WRITE_REG(chip
, CLK_CTL
, CHANGE_CLK
, 0);
956 RTSX_WRITE_REG(chip
, SD_CFG1
, SD_ASYNC_FIFO_NOT_RST
, 0);
958 return STATUS_SUCCESS
;
961 #if CONFIG_RTS_PSTOR_DEBUG
962 rtsx_read_register(chip
, SD_VP_CTL
, &val
);
963 RTSX_DEBUGP("SD_VP_CTL: 0x%x\n", val
);
964 rtsx_read_register(chip
, SD_DCMPS_CTL
, &val
);
965 RTSX_DEBUGP("SD_DCMPS_CTL: 0x%x\n", val
);
968 rtsx_write_register(chip
, SD_DCMPS_CTL
, DCMPS_CHANGE
, 0);
969 rtsx_write_register(chip
, SD_VP_CTL
, PHASE_CHANGE
, 0);
971 sd_reset_dcm(chip
, tune_dir
);
975 static int sd_check_spec(struct rtsx_chip
*chip
, u8 bus_width
)
977 struct sd_info
*sd_card
= &(chip
->sd_card
);
981 retval
= sd_send_cmd_get_rsp(chip
, APP_CMD
, sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
982 if (retval
!= STATUS_SUCCESS
) {
983 TRACE_RET(chip
, STATUS_FAIL
);
986 cmd
[0] = 0x40 | SEND_SCR
;
992 retval
= sd_read_data(chip
, SD_TM_NORMAL_READ
, cmd
, 5, 8, 1, bus_width
, buf
, 8, 250);
993 if (retval
!= STATUS_SUCCESS
) {
994 rtsx_clear_sd_error(chip
);
995 TRACE_RET(chip
, STATUS_FAIL
);
998 memcpy(sd_card
->raw_scr
, buf
, 8);
1000 if ((buf
[0] & 0x0F) == 0) {
1001 TRACE_RET(chip
, STATUS_FAIL
);
1004 return STATUS_SUCCESS
;
1007 static int sd_query_switch_result(struct rtsx_chip
*chip
, u8 func_group
, u8 func_to_switch
,
1008 u8
*buf
, int buf_len
)
1010 u8 support_mask
= 0, query_switch
= 0, switch_busy
= 0;
1011 int support_offset
= 0, query_switch_offset
= 0, check_busy_offset
= 0;
1013 if (func_group
== SD_FUNC_GROUP_1
) {
1014 support_offset
= FUNCTION_GROUP1_SUPPORT_OFFSET
;
1015 query_switch_offset
= FUNCTION_GROUP1_QUERY_SWITCH_OFFSET
;
1016 check_busy_offset
= FUNCTION_GROUP1_CHECK_BUSY_OFFSET
;
1018 switch (func_to_switch
) {
1020 support_mask
= HS_SUPPORT_MASK
;
1021 query_switch
= HS_QUERY_SWITCH_OK
;
1022 switch_busy
= HS_SWITCH_BUSY
;
1026 support_mask
= SDR50_SUPPORT_MASK
;
1027 query_switch
= SDR50_QUERY_SWITCH_OK
;
1028 switch_busy
= SDR50_SWITCH_BUSY
;
1031 case SDR104_SUPPORT
:
1032 support_mask
= SDR104_SUPPORT_MASK
;
1033 query_switch
= SDR104_QUERY_SWITCH_OK
;
1034 switch_busy
= SDR104_SWITCH_BUSY
;
1038 support_mask
= DDR50_SUPPORT_MASK
;
1039 query_switch
= DDR50_QUERY_SWITCH_OK
;
1040 switch_busy
= DDR50_SWITCH_BUSY
;
1044 TRACE_RET(chip
, STATUS_FAIL
);
1046 } else if (func_group
== SD_FUNC_GROUP_3
) {
1047 support_offset
= FUNCTION_GROUP3_SUPPORT_OFFSET
;
1048 query_switch_offset
= FUNCTION_GROUP3_QUERY_SWITCH_OFFSET
;
1049 check_busy_offset
= FUNCTION_GROUP3_CHECK_BUSY_OFFSET
;
1051 switch (func_to_switch
) {
1052 case DRIVING_TYPE_A
:
1053 support_mask
= DRIVING_TYPE_A_MASK
;
1054 query_switch
= TYPE_A_QUERY_SWITCH_OK
;
1055 switch_busy
= TYPE_A_SWITCH_BUSY
;
1058 case DRIVING_TYPE_C
:
1059 support_mask
= DRIVING_TYPE_C_MASK
;
1060 query_switch
= TYPE_C_QUERY_SWITCH_OK
;
1061 switch_busy
= TYPE_C_SWITCH_BUSY
;
1064 case DRIVING_TYPE_D
:
1065 support_mask
= DRIVING_TYPE_D_MASK
;
1066 query_switch
= TYPE_D_QUERY_SWITCH_OK
;
1067 switch_busy
= TYPE_D_SWITCH_BUSY
;
1071 TRACE_RET(chip
, STATUS_FAIL
);
1073 } else if (func_group
== SD_FUNC_GROUP_4
) {
1074 support_offset
= FUNCTION_GROUP4_SUPPORT_OFFSET
;
1075 query_switch_offset
= FUNCTION_GROUP4_QUERY_SWITCH_OFFSET
;
1076 check_busy_offset
= FUNCTION_GROUP4_CHECK_BUSY_OFFSET
;
1078 switch (func_to_switch
) {
1079 case CURRENT_LIMIT_400
:
1080 support_mask
= CURRENT_LIMIT_400_MASK
;
1081 query_switch
= CURRENT_LIMIT_400_QUERY_SWITCH_OK
;
1082 switch_busy
= CURRENT_LIMIT_400_SWITCH_BUSY
;
1085 case CURRENT_LIMIT_600
:
1086 support_mask
= CURRENT_LIMIT_600_MASK
;
1087 query_switch
= CURRENT_LIMIT_600_QUERY_SWITCH_OK
;
1088 switch_busy
= CURRENT_LIMIT_600_SWITCH_BUSY
;
1091 case CURRENT_LIMIT_800
:
1092 support_mask
= CURRENT_LIMIT_800_MASK
;
1093 query_switch
= CURRENT_LIMIT_800_QUERY_SWITCH_OK
;
1094 switch_busy
= CURRENT_LIMIT_800_SWITCH_BUSY
;
1098 TRACE_RET(chip
, STATUS_FAIL
);
1101 TRACE_RET(chip
, STATUS_FAIL
);
1104 if (func_group
== SD_FUNC_GROUP_1
) {
1105 if (!(buf
[support_offset
] & support_mask
) ||
1106 ((buf
[query_switch_offset
] & 0x0F) != query_switch
)) {
1107 TRACE_RET(chip
, STATUS_FAIL
);
1111 /* Check 'Busy Status' */
1112 if ((buf
[DATA_STRUCTURE_VER_OFFSET
] == 0x01) &&
1113 ((buf
[check_busy_offset
] & switch_busy
) == switch_busy
)) {
1114 TRACE_RET(chip
, STATUS_FAIL
);
1117 return STATUS_SUCCESS
;
1120 static int sd_check_switch_mode(struct rtsx_chip
*chip
, u8 mode
,
1121 u8 func_group
, u8 func_to_switch
, u8 bus_width
)
1123 struct sd_info
*sd_card
= &(chip
->sd_card
);
1127 RTSX_DEBUGP("sd_check_switch_mode (mode = %d, func_group = %d, func_to_switch = %d)\n",
1128 mode
, func_group
, func_to_switch
);
1130 cmd
[0] = 0x40 | SWITCH
;
1133 if (func_group
== SD_FUNC_GROUP_1
) {
1136 cmd
[4] = 0xF0 + func_to_switch
;
1137 } else if (func_group
== SD_FUNC_GROUP_3
) {
1139 cmd
[3] = 0xF0 + func_to_switch
;
1141 } else if (func_group
== SD_FUNC_GROUP_4
) {
1143 cmd
[3] = 0x0F + (func_to_switch
<< 4);
1146 cmd
[1] = SD_CHECK_MODE
;
1152 retval
= sd_read_data(chip
, SD_TM_NORMAL_READ
, cmd
, 5, 64, 1, bus_width
, buf
, 64, 250);
1153 if (retval
!= STATUS_SUCCESS
) {
1154 rtsx_clear_sd_error(chip
);
1155 TRACE_RET(chip
, STATUS_FAIL
);
1160 if (func_group
== NO_ARGUMENT
) {
1161 sd_card
->func_group1_mask
= buf
[0x0D];
1162 sd_card
->func_group2_mask
= buf
[0x0B];
1163 sd_card
->func_group3_mask
= buf
[0x09];
1164 sd_card
->func_group4_mask
= buf
[0x07];
1166 RTSX_DEBUGP("func_group1_mask = 0x%02x\n", buf
[0x0D]);
1167 RTSX_DEBUGP("func_group2_mask = 0x%02x\n", buf
[0x0B]);
1168 RTSX_DEBUGP("func_group3_mask = 0x%02x\n", buf
[0x09]);
1169 RTSX_DEBUGP("func_group4_mask = 0x%02x\n", buf
[0x07]);
1171 /* Maximum current consumption, check whether current is acceptable;
1172 * bit[511:496] = 0x0000 means some error happaned.
1174 u16 cc
= ((u16
)buf
[0] << 8) | buf
[1];
1175 RTSX_DEBUGP("Maximum current consumption: %dmA\n", cc
);
1176 if ((cc
== 0) || (cc
> 800)) {
1177 TRACE_RET(chip
, STATUS_FAIL
);
1179 retval
= sd_query_switch_result(chip
, func_group
, func_to_switch
, buf
, 64);
1180 if (retval
!= STATUS_SUCCESS
) {
1181 TRACE_RET(chip
, STATUS_FAIL
);
1184 if ((cc
> 400) || (func_to_switch
> CURRENT_LIMIT_400
)) {
1185 RTSX_WRITE_REG(chip
, OCPPARA2
, SD_OCP_THD_MASK
, chip
->sd_800mA_ocp_thd
);
1186 RTSX_WRITE_REG(chip
, CARD_PWR_CTL
, PMOS_STRG_MASK
, PMOS_STRG_800mA
);
1190 return STATUS_SUCCESS
;
1193 static u8
downgrade_switch_mode(u8 func_group
, u8 func_to_switch
)
1195 if (func_group
== SD_FUNC_GROUP_1
) {
1196 if (func_to_switch
> HS_SUPPORT
) {
1199 } else if (func_group
== SD_FUNC_GROUP_4
) {
1200 if (func_to_switch
> CURRENT_LIMIT_200
) {
1205 return func_to_switch
;
1208 static int sd_check_switch(struct rtsx_chip
*chip
,
1209 u8 func_group
, u8 func_to_switch
, u8 bus_width
)
1213 int switch_good
= 0;
1215 for (i
= 0; i
< 3; i
++) {
1216 if (detect_card_cd(chip
, SD_CARD
) != STATUS_SUCCESS
) {
1217 sd_set_err_code(chip
, SD_NO_CARD
);
1218 TRACE_RET(chip
, STATUS_FAIL
);
1221 retval
= sd_check_switch_mode(chip
, SD_CHECK_MODE
, func_group
,
1222 func_to_switch
, bus_width
);
1223 if (retval
== STATUS_SUCCESS
) {
1226 retval
= sd_check_switch_mode(chip
, SD_SWITCH_MODE
,
1227 func_group
, func_to_switch
, bus_width
);
1228 if (retval
== STATUS_SUCCESS
) {
1233 RTSX_READ_REG(chip
, SD_STAT1
, &stat
);
1234 if (stat
& SD_CRC16_ERR
) {
1235 RTSX_DEBUGP("SD CRC16 error when switching mode\n");
1236 TRACE_RET(chip
, STATUS_FAIL
);
1240 func_to_switch
= downgrade_switch_mode(func_group
, func_to_switch
);
1246 TRACE_RET(chip
, STATUS_FAIL
);
1249 return STATUS_SUCCESS
;
1252 static int sd_switch_function(struct rtsx_chip
*chip
, u8 bus_width
)
1254 struct sd_info
*sd_card
= &(chip
->sd_card
);
1257 u8 func_to_switch
= 0;
1259 /* Get supported functions */
1260 retval
= sd_check_switch_mode(chip
, SD_CHECK_MODE
,
1261 NO_ARGUMENT
, NO_ARGUMENT
, bus_width
);
1262 if (retval
!= STATUS_SUCCESS
) {
1263 TRACE_RET(chip
, STATUS_FAIL
);
1266 sd_card
->func_group1_mask
&= ~(sd_card
->sd_switch_fail
);
1268 /* Function Group 1: Access Mode */
1269 for (i
= 0; i
< 4; i
++) {
1270 switch ((u8
)(chip
->sd_speed_prior
>> (i
*8))) {
1271 case SDR104_SUPPORT
:
1272 if ((sd_card
->func_group1_mask
& SDR104_SUPPORT_MASK
)
1273 && chip
->sdr104_en
) {
1274 func_to_switch
= SDR104_SUPPORT
;
1279 if ((sd_card
->func_group1_mask
& DDR50_SUPPORT_MASK
)
1280 && chip
->ddr50_en
) {
1281 func_to_switch
= DDR50_SUPPORT
;
1286 if ((sd_card
->func_group1_mask
& SDR50_SUPPORT_MASK
)
1287 && chip
->sdr50_en
) {
1288 func_to_switch
= SDR50_SUPPORT
;
1293 if (sd_card
->func_group1_mask
& HS_SUPPORT_MASK
) {
1294 func_to_switch
= HS_SUPPORT
;
1303 if (func_to_switch
) {
1307 RTSX_DEBUGP("SD_FUNC_GROUP_1: func_to_switch = 0x%02x", func_to_switch
);
1309 #ifdef SUPPORT_SD_LOCK
1310 if ((sd_card
->sd_lock_status
& SD_SDR_RST
)
1311 && (DDR50_SUPPORT
== func_to_switch
)
1312 && (sd_card
->func_group1_mask
& SDR50_SUPPORT_MASK
)) {
1313 func_to_switch
= SDR50_SUPPORT
;
1314 RTSX_DEBUGP("Using SDR50 instead of DDR50 for SD Lock\n");
1318 if (func_to_switch
) {
1319 retval
= sd_check_switch(chip
, SD_FUNC_GROUP_1
, func_to_switch
, bus_width
);
1320 if (retval
!= STATUS_SUCCESS
) {
1321 if (func_to_switch
== SDR104_SUPPORT
) {
1322 sd_card
->sd_switch_fail
= SDR104_SUPPORT_MASK
;
1323 } else if (func_to_switch
== DDR50_SUPPORT
) {
1324 sd_card
->sd_switch_fail
=
1325 SDR104_SUPPORT_MASK
| DDR50_SUPPORT_MASK
;
1326 } else if (func_to_switch
== SDR50_SUPPORT
) {
1327 sd_card
->sd_switch_fail
=
1328 SDR104_SUPPORT_MASK
| DDR50_SUPPORT_MASK
|
1331 TRACE_RET(chip
, STATUS_FAIL
);
1334 if (func_to_switch
== SDR104_SUPPORT
) {
1335 SET_SD_SDR104(sd_card
);
1336 } else if (func_to_switch
== DDR50_SUPPORT
) {
1337 SET_SD_DDR50(sd_card
);
1338 } else if (func_to_switch
== SDR50_SUPPORT
) {
1339 SET_SD_SDR50(sd_card
);
1345 if (CHK_SD_DDR50(sd_card
)) {
1346 RTSX_WRITE_REG(chip
, SD_PUSH_POINT_CTL
, 0x06, 0x04);
1347 retval
= sd_set_sample_push_timing(chip
);
1348 if (retval
!= STATUS_SUCCESS
) {
1349 TRACE_RET(chip
, STATUS_FAIL
);
1353 if (!func_to_switch
|| (func_to_switch
== HS_SUPPORT
)) {
1354 /* Do not try to switch current limit if the card doesn't
1355 * support UHS mode or we don't want it to support UHS mode
1357 return STATUS_SUCCESS
;
1360 /* Function Group 4: Current Limit */
1361 func_to_switch
= 0xFF;
1363 for (i
= 0; i
< 4; i
++) {
1364 switch ((u8
)(chip
->sd_current_prior
>> (i
*8))) {
1365 case CURRENT_LIMIT_800
:
1366 if (sd_card
->func_group4_mask
& CURRENT_LIMIT_800_MASK
) {
1367 func_to_switch
= CURRENT_LIMIT_800
;
1371 case CURRENT_LIMIT_600
:
1372 if (sd_card
->func_group4_mask
& CURRENT_LIMIT_600_MASK
) {
1373 func_to_switch
= CURRENT_LIMIT_600
;
1377 case CURRENT_LIMIT_400
:
1378 if (sd_card
->func_group4_mask
& CURRENT_LIMIT_400_MASK
) {
1379 func_to_switch
= CURRENT_LIMIT_400
;
1383 case CURRENT_LIMIT_200
:
1384 if (sd_card
->func_group4_mask
& CURRENT_LIMIT_200_MASK
) {
1385 func_to_switch
= CURRENT_LIMIT_200
;
1393 if (func_to_switch
!= 0xFF) {
1398 RTSX_DEBUGP("SD_FUNC_GROUP_4: func_to_switch = 0x%02x", func_to_switch
);
1400 if (func_to_switch
<= CURRENT_LIMIT_800
) {
1401 retval
= sd_check_switch(chip
, SD_FUNC_GROUP_4
, func_to_switch
, bus_width
);
1402 if (retval
!= STATUS_SUCCESS
) {
1403 if (sd_check_err_code(chip
, SD_NO_CARD
)) {
1404 TRACE_RET(chip
, STATUS_FAIL
);
1407 RTSX_DEBUGP("Switch current limit finished! (%d)\n", retval
);
1410 if (CHK_SD_DDR50(sd_card
)) {
1411 RTSX_WRITE_REG(chip
, SD_PUSH_POINT_CTL
, 0x06, 0);
1414 return STATUS_SUCCESS
;
1417 static int sd_wait_data_idle(struct rtsx_chip
*chip
)
1419 int retval
= STATUS_TIMEDOUT
;
1423 for (i
= 0; i
< 100; i
++) {
1424 RTSX_READ_REG(chip
, SD_DATA_STATE
, &val
);
1425 if (val
& SD_DATA_IDLE
) {
1426 retval
= STATUS_SUCCESS
;
1431 RTSX_DEBUGP("SD_DATA_STATE: 0x%02x\n", val
);
1436 static int sd_sdr_tuning_rx_cmd(struct rtsx_chip
*chip
, u8 sample_point
)
1441 retval
= sd_change_phase(chip
, sample_point
, TUNE_RX
);
1442 if (retval
!= STATUS_SUCCESS
) {
1443 TRACE_RET(chip
, STATUS_FAIL
);
1446 cmd
[0] = 0x40 | SEND_TUNING_PATTERN
;
1452 retval
= sd_read_data(chip
, SD_TM_AUTO_TUNING
,
1453 cmd
, 5, 0x40, 1, SD_BUS_WIDTH_4
, NULL
, 0, 100);
1454 if (retval
!= STATUS_SUCCESS
) {
1455 (void)sd_wait_data_idle(chip
);
1457 rtsx_clear_sd_error(chip
);
1458 TRACE_RET(chip
, STATUS_FAIL
);
1461 return STATUS_SUCCESS
;
1464 static int sd_ddr_tuning_rx_cmd(struct rtsx_chip
*chip
, u8 sample_point
)
1466 struct sd_info
*sd_card
= &(chip
->sd_card
);
1470 retval
= sd_change_phase(chip
, sample_point
, TUNE_RX
);
1471 if (retval
!= STATUS_SUCCESS
) {
1472 TRACE_RET(chip
, STATUS_FAIL
);
1475 RTSX_DEBUGP("sd ddr tuning rx\n");
1477 retval
= sd_send_cmd_get_rsp(chip
, APP_CMD
, sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
1478 if (retval
!= STATUS_SUCCESS
) {
1479 TRACE_RET(chip
, STATUS_FAIL
);
1482 cmd
[0] = 0x40 | SD_STATUS
;
1488 retval
= sd_read_data(chip
, SD_TM_NORMAL_READ
,
1489 cmd
, 5, 64, 1, SD_BUS_WIDTH_4
, NULL
, 0, 100);
1490 if (retval
!= STATUS_SUCCESS
) {
1491 (void)sd_wait_data_idle(chip
);
1493 rtsx_clear_sd_error(chip
);
1494 TRACE_RET(chip
, STATUS_FAIL
);
1497 return STATUS_SUCCESS
;
1500 static int mmc_ddr_tunning_rx_cmd(struct rtsx_chip
*chip
, u8 sample_point
)
1502 struct sd_info
*sd_card
= &(chip
->sd_card
);
1504 u8 cmd
[5], bus_width
;
1506 if (CHK_MMC_8BIT(sd_card
)) {
1507 bus_width
= SD_BUS_WIDTH_8
;
1508 } else if (CHK_MMC_4BIT(sd_card
)) {
1509 bus_width
= SD_BUS_WIDTH_4
;
1511 bus_width
= SD_BUS_WIDTH_1
;
1514 retval
= sd_change_phase(chip
, sample_point
, TUNE_RX
);
1515 if (retval
!= STATUS_SUCCESS
) {
1516 TRACE_RET(chip
, STATUS_FAIL
);
1519 RTSX_DEBUGP("mmc ddr tuning rx\n");
1521 cmd
[0] = 0x40 | SEND_EXT_CSD
;
1527 retval
= sd_read_data(chip
, SD_TM_NORMAL_READ
,
1528 cmd
, 5, 0x200, 1, bus_width
, NULL
, 0, 100);
1529 if (retval
!= STATUS_SUCCESS
) {
1530 (void)sd_wait_data_idle(chip
);
1532 rtsx_clear_sd_error(chip
);
1533 TRACE_RET(chip
, STATUS_FAIL
);
1536 return STATUS_SUCCESS
;
1539 static int sd_sdr_tuning_tx_cmd(struct rtsx_chip
*chip
, u8 sample_point
)
1541 struct sd_info
*sd_card
= &(chip
->sd_card
);
1544 retval
= sd_change_phase(chip
, sample_point
, TUNE_TX
);
1545 if (retval
!= STATUS_SUCCESS
) {
1546 TRACE_RET(chip
, STATUS_FAIL
);
1549 RTSX_WRITE_REG(chip
, SD_CFG3
, SD_RSP_80CLK_TIMEOUT_EN
, SD_RSP_80CLK_TIMEOUT_EN
);
1551 retval
= sd_send_cmd_get_rsp(chip
, SEND_STATUS
, sd_card
->sd_addr
,
1552 SD_RSP_TYPE_R1
, NULL
, 0);
1553 if (retval
!= STATUS_SUCCESS
) {
1554 if (sd_check_err_code(chip
, SD_RSP_TIMEOUT
)) {
1555 rtsx_write_register(chip
, SD_CFG3
, SD_RSP_80CLK_TIMEOUT_EN
, 0);
1556 TRACE_RET(chip
, STATUS_FAIL
);
1560 RTSX_WRITE_REG(chip
, SD_CFG3
, SD_RSP_80CLK_TIMEOUT_EN
, 0);
1562 return STATUS_SUCCESS
;
1565 static int sd_ddr_tuning_tx_cmd(struct rtsx_chip
*chip
, u8 sample_point
)
1567 struct sd_info
*sd_card
= &(chip
->sd_card
);
1569 u8 cmd
[5], bus_width
;
1571 retval
= sd_change_phase(chip
, sample_point
, TUNE_TX
);
1572 if (retval
!= STATUS_SUCCESS
) {
1573 TRACE_RET(chip
, STATUS_FAIL
);
1576 if (CHK_SD(sd_card
)) {
1577 bus_width
= SD_BUS_WIDTH_4
;
1579 if (CHK_MMC_8BIT(sd_card
)) {
1580 bus_width
= SD_BUS_WIDTH_8
;
1581 } else if (CHK_MMC_4BIT(sd_card
)) {
1582 bus_width
= SD_BUS_WIDTH_4
;
1584 bus_width
= SD_BUS_WIDTH_1
;
1588 retval
= sd_wait_state_data_ready(chip
, 0x08, 1, 1000);
1589 if (retval
!= STATUS_SUCCESS
) {
1590 TRACE_RET(chip
, STATUS_FAIL
);
1593 RTSX_WRITE_REG(chip
, SD_CFG3
, SD_RSP_80CLK_TIMEOUT_EN
, SD_RSP_80CLK_TIMEOUT_EN
);
1595 cmd
[0] = 0x40 | PROGRAM_CSD
;
1601 retval
= sd_write_data(chip
, SD_TM_AUTO_WRITE_2
,
1602 cmd
, 5, 16, 1, bus_width
, sd_card
->raw_csd
, 16, 100);
1603 if (retval
!= STATUS_SUCCESS
) {
1604 rtsx_clear_sd_error(chip
);
1605 rtsx_write_register(chip
, SD_CFG3
, SD_RSP_80CLK_TIMEOUT_EN
, 0);
1606 TRACE_RET(chip
, STATUS_FAIL
);
1609 RTSX_WRITE_REG(chip
, SD_CFG3
, SD_RSP_80CLK_TIMEOUT_EN
, 0);
1611 sd_send_cmd_get_rsp(chip
, SEND_STATUS
, sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
1613 return STATUS_SUCCESS
;
1616 static u8
sd_search_final_phase(struct rtsx_chip
*chip
, u32 phase_map
, u8 tune_dir
)
1618 struct sd_info
*sd_card
= &(chip
->sd_card
);
1619 struct timing_phase_path path
[MAX_PHASE
+ 1];
1620 int i
, j
, cont_path_cnt
;
1621 int new_block
, max_len
, final_path_idx
;
1622 u8 final_phase
= 0xFF;
1624 if (phase_map
== 0xFFFFFFFF) {
1625 if (tune_dir
== TUNE_RX
) {
1626 final_phase
= (u8
)chip
->sd_default_rx_phase
;
1628 final_phase
= (u8
)chip
->sd_default_tx_phase
;
1637 for (i
= 0; i
< MAX_PHASE
+ 1; i
++) {
1638 if (phase_map
& (1 << i
)) {
1641 j
= cont_path_cnt
++;
1649 if (cont_path_cnt
) {
1650 int idx
= cont_path_cnt
- 1;
1651 path
[idx
].len
= path
[idx
].end
- path
[idx
].start
+ 1;
1652 path
[idx
].mid
= path
[idx
].start
+ path
[idx
].len
/ 2;
1657 if (cont_path_cnt
== 0) {
1658 RTSX_DEBUGP("No continuous phase path\n");
1661 int idx
= cont_path_cnt
- 1;
1662 path
[idx
].len
= path
[idx
].end
- path
[idx
].start
+ 1;
1663 path
[idx
].mid
= path
[idx
].start
+ path
[idx
].len
/ 2;
1666 if ((path
[0].start
== 0) && (path
[cont_path_cnt
- 1].end
== MAX_PHASE
)) {
1667 path
[0].start
= path
[cont_path_cnt
- 1].start
- MAX_PHASE
- 1;
1668 path
[0].len
+= path
[cont_path_cnt
- 1].len
;
1669 path
[0].mid
= path
[0].start
+ path
[0].len
/ 2;
1670 if (path
[0].mid
< 0) {
1671 path
[0].mid
+= MAX_PHASE
+ 1;
1679 for (i
= 0; i
< cont_path_cnt
; i
++) {
1680 if (path
[i
].len
> max_len
) {
1681 max_len
= path
[i
].len
;
1682 final_phase
= (u8
)path
[i
].mid
;
1686 RTSX_DEBUGP("path[%d].start = %d\n", i
, path
[i
].start
);
1687 RTSX_DEBUGP("path[%d].end = %d\n", i
, path
[i
].end
);
1688 RTSX_DEBUGP("path[%d].len = %d\n", i
, path
[i
].len
);
1689 RTSX_DEBUGP("path[%d].mid = %d\n", i
, path
[i
].mid
);
1693 if (tune_dir
== TUNE_TX
) {
1694 if (CHK_SD_SDR104(sd_card
)) {
1696 int temp_mid
= (max_len
- 16) / 2;
1697 int temp_final_phase
=
1698 path
[final_path_idx
].end
- (max_len
- (6 + temp_mid
));
1700 if (temp_final_phase
< 0) {
1701 final_phase
= (u8
)(temp_final_phase
+ MAX_PHASE
+ 1);
1703 final_phase
= (u8
)temp_final_phase
;
1706 } else if (CHK_SD_SDR50(sd_card
)) {
1708 int temp_mid
= (max_len
- 13) / 2;
1709 int temp_final_phase
=
1710 path
[final_path_idx
].end
- (max_len
- (3 + temp_mid
));
1712 if (temp_final_phase
< 0) {
1713 final_phase
= (u8
)(temp_final_phase
+ MAX_PHASE
+ 1);
1715 final_phase
= (u8
)temp_final_phase
;
1722 RTSX_DEBUGP("Final choosen phase: %d\n", final_phase
);
1726 static int sd_tuning_rx(struct rtsx_chip
*chip
)
1728 struct sd_info
*sd_card
= &(chip
->sd_card
);
1731 u32 raw_phase_map
[3], phase_map
;
1733 int (*tuning_cmd
)(struct rtsx_chip
*chip
, u8 sample_point
);
1735 if (CHK_SD(sd_card
)) {
1736 if (CHK_SD_DDR50(sd_card
)) {
1737 tuning_cmd
= sd_ddr_tuning_rx_cmd
;
1739 tuning_cmd
= sd_sdr_tuning_rx_cmd
;
1742 if (CHK_MMC_DDR52(sd_card
)) {
1743 tuning_cmd
= mmc_ddr_tunning_rx_cmd
;
1745 TRACE_RET(chip
, STATUS_FAIL
);
1749 for (i
= 0; i
< 3; i
++) {
1750 raw_phase_map
[i
] = 0;
1751 for (j
= MAX_PHASE
; j
>= 0; j
--) {
1752 if (detect_card_cd(chip
, SD_CARD
) != STATUS_SUCCESS
) {
1753 sd_set_err_code(chip
, SD_NO_CARD
);
1754 TRACE_RET(chip
, STATUS_FAIL
);
1757 retval
= tuning_cmd(chip
, (u8
)j
);
1758 if (retval
== STATUS_SUCCESS
) {
1759 raw_phase_map
[i
] |= 1 << j
;
1764 phase_map
= raw_phase_map
[0] & raw_phase_map
[1] & raw_phase_map
[2];
1765 for (i
= 0; i
< 3; i
++) {
1766 RTSX_DEBUGP("RX raw_phase_map[%d] = 0x%08x\n", i
, raw_phase_map
[i
]);
1768 RTSX_DEBUGP("RX phase_map = 0x%08x\n", phase_map
);
1770 final_phase
= sd_search_final_phase(chip
, phase_map
, TUNE_RX
);
1771 if (final_phase
== 0xFF) {
1772 TRACE_RET(chip
, STATUS_FAIL
);
1775 retval
= sd_change_phase(chip
, final_phase
, TUNE_RX
);
1776 if (retval
!= STATUS_SUCCESS
) {
1777 TRACE_RET(chip
, STATUS_FAIL
);
1780 return STATUS_SUCCESS
;
1783 static int sd_ddr_pre_tuning_tx(struct rtsx_chip
*chip
)
1785 struct sd_info
*sd_card
= &(chip
->sd_card
);
1791 RTSX_WRITE_REG(chip
, SD_CFG3
, SD_RSP_80CLK_TIMEOUT_EN
, SD_RSP_80CLK_TIMEOUT_EN
);
1794 for (i
= MAX_PHASE
; i
>= 0; i
--) {
1795 if (detect_card_cd(chip
, SD_CARD
) != STATUS_SUCCESS
) {
1796 sd_set_err_code(chip
, SD_NO_CARD
);
1797 rtsx_write_register(chip
, SD_CFG3
,
1798 SD_RSP_80CLK_TIMEOUT_EN
, 0);
1799 TRACE_RET(chip
, STATUS_FAIL
);
1802 retval
= sd_change_phase(chip
, (u8
)i
, TUNE_TX
);
1803 if (retval
!= STATUS_SUCCESS
) {
1807 retval
= sd_send_cmd_get_rsp(chip
, SEND_STATUS
, sd_card
->sd_addr
,
1808 SD_RSP_TYPE_R1
, NULL
, 0);
1809 if ((retval
== STATUS_SUCCESS
) || !sd_check_err_code(chip
, SD_RSP_TIMEOUT
)) {
1810 phase_map
|= 1 << i
;
1814 RTSX_WRITE_REG(chip
, SD_CFG3
, SD_RSP_80CLK_TIMEOUT_EN
, 0);
1816 RTSX_DEBUGP("DDR TX pre tune phase_map = 0x%08x\n", phase_map
);
1818 final_phase
= sd_search_final_phase(chip
, phase_map
, TUNE_TX
);
1819 if (final_phase
== 0xFF) {
1820 TRACE_RET(chip
, STATUS_FAIL
);
1823 retval
= sd_change_phase(chip
, final_phase
, TUNE_TX
);
1824 if (retval
!= STATUS_SUCCESS
) {
1825 TRACE_RET(chip
, STATUS_FAIL
);
1828 RTSX_DEBUGP("DDR TX pre tune phase: %d\n", (int)final_phase
);
1830 return STATUS_SUCCESS
;
1833 static int sd_tuning_tx(struct rtsx_chip
*chip
)
1835 struct sd_info
*sd_card
= &(chip
->sd_card
);
1838 u32 raw_phase_map
[3], phase_map
;
1840 int (*tuning_cmd
)(struct rtsx_chip
*chip
, u8 sample_point
);
1842 if (CHK_SD(sd_card
)) {
1843 if (CHK_SD_DDR50(sd_card
)) {
1844 tuning_cmd
= sd_ddr_tuning_tx_cmd
;
1846 tuning_cmd
= sd_sdr_tuning_tx_cmd
;
1849 if (CHK_MMC_DDR52(sd_card
)) {
1850 tuning_cmd
= sd_ddr_tuning_tx_cmd
;
1852 TRACE_RET(chip
, STATUS_FAIL
);
1856 for (i
= 0; i
< 3; i
++) {
1857 raw_phase_map
[i
] = 0;
1858 for (j
= MAX_PHASE
; j
>= 0; j
--) {
1859 if (detect_card_cd(chip
, SD_CARD
) != STATUS_SUCCESS
) {
1860 sd_set_err_code(chip
, SD_NO_CARD
);
1861 rtsx_write_register(chip
, SD_CFG3
,
1862 SD_RSP_80CLK_TIMEOUT_EN
, 0);
1863 TRACE_RET(chip
, STATUS_FAIL
);
1866 retval
= tuning_cmd(chip
, (u8
)j
);
1867 if (retval
== STATUS_SUCCESS
) {
1868 raw_phase_map
[i
] |= 1 << j
;
1873 phase_map
= raw_phase_map
[0] & raw_phase_map
[1] & raw_phase_map
[2];
1874 for (i
= 0; i
< 3; i
++) {
1875 RTSX_DEBUGP("TX raw_phase_map[%d] = 0x%08x\n", i
, raw_phase_map
[i
]);
1877 RTSX_DEBUGP("TX phase_map = 0x%08x\n", phase_map
);
1879 final_phase
= sd_search_final_phase(chip
, phase_map
, TUNE_TX
);
1880 if (final_phase
== 0xFF) {
1881 TRACE_RET(chip
, STATUS_FAIL
);
1884 retval
= sd_change_phase(chip
, final_phase
, TUNE_TX
);
1885 if (retval
!= STATUS_SUCCESS
) {
1886 TRACE_RET(chip
, STATUS_FAIL
);
1889 return STATUS_SUCCESS
;
1892 static int sd_sdr_tuning(struct rtsx_chip
*chip
)
1896 retval
= sd_tuning_tx(chip
);
1897 if (retval
!= STATUS_SUCCESS
) {
1898 TRACE_RET(chip
, STATUS_FAIL
);
1901 retval
= sd_tuning_rx(chip
);
1902 if (retval
!= STATUS_SUCCESS
) {
1903 TRACE_RET(chip
, STATUS_FAIL
);
1906 return STATUS_SUCCESS
;
1909 static int sd_ddr_tuning(struct rtsx_chip
*chip
)
1913 if (!(chip
->sd_ctl
& SD_DDR_TX_PHASE_SET_BY_USER
)) {
1914 retval
= sd_ddr_pre_tuning_tx(chip
);
1915 if (retval
!= STATUS_SUCCESS
) {
1916 TRACE_RET(chip
, STATUS_FAIL
);
1919 retval
= sd_change_phase(chip
, (u8
)chip
->sd_ddr_tx_phase
, TUNE_TX
);
1920 if (retval
!= STATUS_SUCCESS
) {
1921 TRACE_RET(chip
, STATUS_FAIL
);
1925 retval
= sd_tuning_rx(chip
);
1926 if (retval
!= STATUS_SUCCESS
) {
1927 TRACE_RET(chip
, STATUS_FAIL
);
1930 if (!(chip
->sd_ctl
& SD_DDR_TX_PHASE_SET_BY_USER
)) {
1931 retval
= sd_tuning_tx(chip
);
1932 if (retval
!= STATUS_SUCCESS
) {
1933 TRACE_RET(chip
, STATUS_FAIL
);
1937 return STATUS_SUCCESS
;
1940 static int mmc_ddr_tuning(struct rtsx_chip
*chip
)
1944 if (!(chip
->sd_ctl
& MMC_DDR_TX_PHASE_SET_BY_USER
)) {
1945 retval
= sd_ddr_pre_tuning_tx(chip
);
1946 if (retval
!= STATUS_SUCCESS
) {
1947 TRACE_RET(chip
, STATUS_FAIL
);
1950 retval
= sd_change_phase(chip
, (u8
)chip
->mmc_ddr_tx_phase
, TUNE_TX
);
1951 if (retval
!= STATUS_SUCCESS
) {
1952 TRACE_RET(chip
, STATUS_FAIL
);
1956 retval
= sd_tuning_rx(chip
);
1957 if (retval
!= STATUS_SUCCESS
) {
1958 TRACE_RET(chip
, STATUS_FAIL
);
1961 if (!(chip
->sd_ctl
& MMC_DDR_TX_PHASE_SET_BY_USER
)) {
1962 retval
= sd_tuning_tx(chip
);
1963 if (retval
!= STATUS_SUCCESS
) {
1964 TRACE_RET(chip
, STATUS_FAIL
);
1968 return STATUS_SUCCESS
;
1971 int sd_switch_clock(struct rtsx_chip
*chip
)
1973 struct sd_info
*sd_card
= &(chip
->sd_card
);
1977 retval
= select_card(chip
, SD_CARD
);
1978 if (retval
!= STATUS_SUCCESS
) {
1979 TRACE_RET(chip
, STATUS_FAIL
);
1982 if (CHECK_PID(chip
, 0x5209) &&
1983 (CHK_SD30_SPEED(sd_card
) || CHK_MMC_DDR52(sd_card
))) {
1984 if (sd_card
->need_retune
&& (sd_card
->sd_clock
!= chip
->cur_clk
)) {
1986 sd_card
->need_retune
= 0;
1990 retval
= switch_clock(chip
, sd_card
->sd_clock
);
1991 if (retval
!= STATUS_SUCCESS
) {
1992 TRACE_RET(chip
, STATUS_FAIL
);
1996 if (CHK_SD(sd_card
)) {
1997 if (CHK_SD_DDR50(sd_card
)) {
1998 retval
= sd_ddr_tuning(chip
);
2000 retval
= sd_sdr_tuning(chip
);
2003 if (CHK_MMC_DDR52(sd_card
)) {
2004 retval
= mmc_ddr_tuning(chip
);
2008 if (retval
!= STATUS_SUCCESS
) {
2009 TRACE_RET(chip
, STATUS_FAIL
);
2013 return STATUS_SUCCESS
;
2016 static int sd_prepare_reset(struct rtsx_chip
*chip
)
2018 struct sd_info
*sd_card
= &(chip
->sd_card
);
2021 if (chip
->asic_code
) {
2022 sd_card
->sd_clock
= 29;
2024 sd_card
->sd_clock
= CLK_30
;
2027 sd_card
->sd_type
= 0;
2028 sd_card
->seq_mode
= 0;
2029 sd_card
->sd_data_buf_ready
= 0;
2030 sd_card
->capacity
= 0;
2032 #ifdef SUPPORT_SD_LOCK
2033 sd_card
->sd_lock_status
= 0;
2034 sd_card
->sd_erase_status
= 0;
2037 chip
->capacity
[chip
->card2lun
[SD_CARD
]] = 0;
2040 retval
= sd_set_init_para(chip
);
2041 if (retval
!= STATUS_SUCCESS
) {
2042 TRACE_RET(chip
, retval
);
2045 if (CHECK_PID(chip
, 0x5209)) {
2046 RTSX_WRITE_REG(chip
, REG_SD_CFG1
, 0xFF,
2047 SD_CLK_DIVIDE_128
| SD_20_MODE
| SD_BUS_WIDTH_1
);
2048 RTSX_WRITE_REG(chip
, SD_SAMPLE_POINT_CTL
, 0xFF, SD20_RX_POS_EDGE
);
2049 RTSX_WRITE_REG(chip
, SD_PUSH_POINT_CTL
, 0xFF, 0);
2051 RTSX_WRITE_REG(chip
, REG_SD_CFG1
, 0xFF, 0x40);
2054 RTSX_WRITE_REG(chip
, CARD_STOP
, SD_STOP
| SD_CLR_ERR
, SD_STOP
| SD_CLR_ERR
);
2056 retval
= select_card(chip
, SD_CARD
);
2057 if (retval
!= STATUS_SUCCESS
) {
2058 TRACE_RET(chip
, STATUS_FAIL
);
2061 return STATUS_SUCCESS
;
2064 static int sd_pull_ctl_disable(struct rtsx_chip
*chip
)
2066 if (CHECK_PID(chip
, 0x5209)) {
2067 RTSX_WRITE_REG(chip
, CARD_PULL_CTL1
, 0xFF, 0x55);
2068 RTSX_WRITE_REG(chip
, CARD_PULL_CTL2
, 0xFF, 0x55);
2069 RTSX_WRITE_REG(chip
, CARD_PULL_CTL3
, 0xFF, 0xD5);
2070 } else if (CHECK_PID(chip
, 0x5208)) {
2071 RTSX_WRITE_REG(chip
, CARD_PULL_CTL1
, 0xFF,
2072 XD_D3_PD
| SD_D7_PD
| SD_CLK_PD
| SD_D5_PD
);
2073 RTSX_WRITE_REG(chip
, CARD_PULL_CTL2
, 0xFF,
2074 SD_D6_PD
| SD_D0_PD
| SD_D1_PD
| XD_D5_PD
);
2075 RTSX_WRITE_REG(chip
, CARD_PULL_CTL3
, 0xFF,
2076 SD_D4_PD
| XD_CE_PD
| XD_CLE_PD
| XD_CD_PU
);
2077 RTSX_WRITE_REG(chip
, CARD_PULL_CTL4
, 0xFF,
2078 XD_RDY_PD
| SD_D3_PD
| SD_D2_PD
| XD_ALE_PD
);
2079 RTSX_WRITE_REG(chip
, CARD_PULL_CTL5
, 0xFF,
2080 MS_INS_PU
| SD_WP_PD
| SD_CD_PU
| SD_CMD_PD
);
2081 RTSX_WRITE_REG(chip
, CARD_PULL_CTL6
, 0xFF, MS_D5_PD
| MS_D4_PD
);
2082 } else if (CHECK_PID(chip
, 0x5288)) {
2083 if (CHECK_BARO_PKG(chip
, QFN
)) {
2084 RTSX_WRITE_REG(chip
, CARD_PULL_CTL1
, 0xFF, 0x55);
2085 RTSX_WRITE_REG(chip
, CARD_PULL_CTL2
, 0xFF, 0x55);
2086 RTSX_WRITE_REG(chip
, CARD_PULL_CTL3
, 0xFF, 0x4B);
2087 RTSX_WRITE_REG(chip
, CARD_PULL_CTL4
, 0xFF, 0x69);
2091 return STATUS_SUCCESS
;
2094 int sd_pull_ctl_enable(struct rtsx_chip
*chip
)
2098 rtsx_init_cmd(chip
);
2100 if (CHECK_PID(chip
, 0x5209)) {
2101 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_PULL_CTL1
, 0xFF, 0xAA);
2102 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_PULL_CTL2
, 0xFF, 0xAA);
2103 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_PULL_CTL3
, 0xFF, 0xE9);
2104 } else if (CHECK_PID(chip
, 0x5208)) {
2105 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_PULL_CTL1
, 0xFF,
2106 XD_D3_PD
| SD_DAT7_PU
| SD_CLK_NP
| SD_D5_PU
);
2107 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_PULL_CTL2
, 0xFF,
2108 SD_D6_PU
| SD_D0_PU
| SD_D1_PU
| XD_D5_PD
);
2109 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_PULL_CTL3
, 0xFF,
2110 SD_D4_PU
| XD_CE_PD
| XD_CLE_PD
| XD_CD_PU
);
2111 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_PULL_CTL4
, 0xFF,
2112 XD_RDY_PD
| SD_D3_PU
| SD_D2_PU
| XD_ALE_PD
);
2113 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_PULL_CTL5
, 0xFF,
2114 MS_INS_PU
| SD_WP_PU
| SD_CD_PU
| SD_CMD_PU
);
2115 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_PULL_CTL6
, 0xFF, MS_D5_PD
| MS_D4_PD
);
2116 } else if (CHECK_PID(chip
, 0x5288)) {
2117 if (CHECK_BARO_PKG(chip
, QFN
)) {
2118 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_PULL_CTL1
, 0xFF, 0xA8);
2119 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_PULL_CTL2
, 0xFF, 0x5A);
2120 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_PULL_CTL3
, 0xFF, 0x95);
2121 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_PULL_CTL4
, 0xFF, 0xAA);
2125 retval
= rtsx_send_cmd(chip
, SD_CARD
, 100);
2127 TRACE_RET(chip
, STATUS_FAIL
);
2130 return STATUS_SUCCESS
;
2133 static int sd_init_power(struct rtsx_chip
*chip
)
2137 if (CHECK_PID(chip
, 0x5209)) {
2138 RTSX_WRITE_REG(chip
, PWR_GATE_CTRL
, LDO3318_PWR_MASK
, LDO_OFF
);
2141 retval
= sd_power_off_card3v3(chip
);
2142 if (retval
!= STATUS_SUCCESS
) {
2143 TRACE_RET(chip
, STATUS_FAIL
);
2146 if (!chip
->ft2_fast_mode
) {
2150 retval
= enable_card_clock(chip
, SD_CARD
);
2151 if (retval
!= STATUS_SUCCESS
) {
2152 TRACE_RET(chip
, STATUS_FAIL
);
2155 if (chip
->asic_code
) {
2156 retval
= sd_pull_ctl_enable(chip
);
2157 if (retval
!= STATUS_SUCCESS
) {
2158 TRACE_RET(chip
, STATUS_FAIL
);
2161 RTSX_WRITE_REG(chip
, FPGA_PULL_CTL
, FPGA_SD_PULL_CTL_BIT
| 0x20, 0);
2164 if (chip
->ft2_fast_mode
) {
2165 if (CHECK_PID(chip
, 0x5209)) {
2166 RTSX_WRITE_REG(chip
, PWR_GATE_CTRL
, LDO3318_PWR_MASK
, LDO_ON
);
2169 retval
= card_power_on(chip
, SD_CARD
);
2170 if (retval
!= STATUS_SUCCESS
) {
2171 TRACE_RET(chip
, STATUS_FAIL
);
2176 if (chip
->ocp_stat
& (SD_OC_NOW
| SD_OC_EVER
)) {
2177 RTSX_DEBUGP("Over current, OCPSTAT is 0x%x\n", chip
->ocp_stat
);
2178 TRACE_RET(chip
, STATUS_FAIL
);
2183 RTSX_WRITE_REG(chip
, CARD_OE
, SD_OUTPUT_EN
, SD_OUTPUT_EN
);
2185 return STATUS_SUCCESS
;
2188 static int sd_dummy_clock(struct rtsx_chip
*chip
)
2190 if (CHECK_PID(chip
, 0x5209)) {
2191 RTSX_WRITE_REG(chip
, SD_BUS_STAT
, SD_CLK_TOGGLE_EN
, SD_CLK_TOGGLE_EN
);
2193 RTSX_WRITE_REG(chip
, SD_BUS_STAT
, SD_CLK_TOGGLE_EN
, 0x00);
2195 RTSX_WRITE_REG(chip
, REG_SD_CFG3
, 0x01, 0x01);
2197 RTSX_WRITE_REG(chip
, REG_SD_CFG3
, 0x01, 0);
2200 return STATUS_SUCCESS
;
2203 static int sd_read_lba0(struct rtsx_chip
*chip
)
2205 struct sd_info
*sd_card
= &(chip
->sd_card
);
2207 u8 cmd
[5], bus_width
;
2209 cmd
[0] = 0x40 | READ_SINGLE_BLOCK
;
2215 if (CHK_SD(sd_card
)) {
2216 bus_width
= SD_BUS_WIDTH_4
;
2218 if (CHK_MMC_8BIT(sd_card
)) {
2219 bus_width
= SD_BUS_WIDTH_8
;
2220 } else if (CHK_MMC_4BIT(sd_card
)) {
2221 bus_width
= SD_BUS_WIDTH_4
;
2223 bus_width
= SD_BUS_WIDTH_1
;
2227 retval
= sd_read_data(chip
, SD_TM_NORMAL_READ
, cmd
,
2228 5, 512, 1, bus_width
, NULL
, 0, 100);
2229 if (retval
!= STATUS_SUCCESS
) {
2230 TRACE_RET(chip
, STATUS_FAIL
);
2233 return STATUS_SUCCESS
;
2236 static int sd_check_wp_state(struct rtsx_chip
*chip
)
2238 struct sd_info
*sd_card
= &(chip
->sd_card
);
2244 retval
= sd_send_cmd_get_rsp(chip
, APP_CMD
,
2245 sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
2246 if (retval
!= STATUS_SUCCESS
) {
2247 TRACE_RET(chip
, STATUS_FAIL
);
2250 cmd
[0] = 0x40 | SD_STATUS
;
2256 retval
= sd_read_data(chip
, SD_TM_NORMAL_READ
, cmd
, 5, 64, 1, SD_BUS_WIDTH_4
, buf
, 64, 250);
2257 if (retval
!= STATUS_SUCCESS
) {
2258 rtsx_clear_sd_error(chip
);
2260 sd_send_cmd_get_rsp(chip
, SEND_STATUS
, sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
2261 TRACE_RET(chip
, STATUS_FAIL
);
2264 RTSX_DEBUGP("ACMD13:\n");
2267 sd_card_type
= ((u16
)buf
[2] << 8) | buf
[3];
2268 RTSX_DEBUGP("sd_card_type = 0x%04x\n", sd_card_type
);
2269 if ((sd_card_type
== 0x0001) || (sd_card_type
== 0x0002)) {
2270 /* ROM card or OTP */
2271 chip
->card_wp
|= SD_CARD
;
2274 /* Check SD Machanical Write-Protect Switch */
2275 val
= rtsx_readl(chip
, RTSX_BIPR
);
2276 if (val
& SD_WRITE_PROTECT
) {
2277 chip
->card_wp
|= SD_CARD
;
2280 return STATUS_SUCCESS
;
2283 static int reset_sd(struct rtsx_chip
*chip
)
2285 struct sd_info
*sd_card
= &(chip
->sd_card
);
2286 int retval
, i
= 0, j
= 0, k
= 0, hi_cap_flow
= 0;
2287 int sd_dont_switch
= 0;
2288 int support_1v8
= 0;
2291 u8 switch_bus_width
;
2304 #ifdef SUPPORT_SD_LOCK
2305 if (sd_card
->sd_lock_status
& SD_UNLOCK_POW_ON
)
2306 goto SD_UNLOCK_ENTRY
;
2309 retval
= sd_prepare_reset(chip
);
2310 if (retval
!= STATUS_SUCCESS
) {
2311 TRACE_RET(chip
, STATUS_FAIL
);
2314 retval
= sd_dummy_clock(chip
);
2315 if (retval
!= STATUS_SUCCESS
) {
2316 TRACE_RET(chip
, STATUS_FAIL
);
2319 if (CHK_SDIO_EXIST(chip
) && !CHK_SDIO_IGNORED(chip
) && try_sdio
) {
2322 for (; rty_cnt
< chip
->sdio_retry_cnt
; rty_cnt
++) {
2323 if (detect_card_cd(chip
, SD_CARD
) != STATUS_SUCCESS
) {
2324 sd_set_err_code(chip
, SD_NO_CARD
);
2325 TRACE_RET(chip
, STATUS_FAIL
);
2328 retval
= sd_send_cmd_get_rsp(chip
, IO_SEND_OP_COND
, 0, SD_RSP_TYPE_R4
, rsp
, 5);
2329 if (retval
== STATUS_SUCCESS
) {
2330 int func_num
= (rsp
[1] >> 4) && 0x07;
2332 RTSX_DEBUGP("SD_IO card (Function number: %d)!\n", func_num
);
2334 TRACE_RET(chip
, STATUS_FAIL
);
2340 sd_init_power(chip
);
2342 sd_dummy_clock(chip
);
2345 RTSX_DEBUGP("Normal card!\n");
2348 /* Start Initialization Process of SD Card */
2350 retval
= sd_send_cmd_get_rsp(chip
, GO_IDLE_STATE
, 0, SD_RSP_TYPE_R0
, NULL
, 0);
2351 if (retval
!= STATUS_SUCCESS
) {
2352 TRACE_RET(chip
, STATUS_FAIL
);
2357 retval
= sd_send_cmd_get_rsp(chip
, SEND_IF_COND
, 0x000001AA, SD_RSP_TYPE_R7
, rsp
, 5);
2358 if (retval
== STATUS_SUCCESS
) {
2359 if ((rsp
[4] == 0xAA) && ((rsp
[3] & 0x0f) == 0x01)) {
2361 if (CHECK_PID(chip
, 0x5209)) {
2363 voltage
= SUPPORT_VOLTAGE
|
2364 SUPPORT_HIGH_AND_EXTENDED_CAPACITY
;
2366 voltage
= SUPPORT_VOLTAGE
|
2367 SUPPORT_HIGH_AND_EXTENDED_CAPACITY
|
2368 SUPPORT_MAX_POWER_PERMANCE
| SUPPORT_1V8
;
2371 voltage
= SUPPORT_VOLTAGE
| 0x40000000;
2377 voltage
= SUPPORT_VOLTAGE
;
2379 retval
= sd_send_cmd_get_rsp(chip
, GO_IDLE_STATE
, 0, SD_RSP_TYPE_R0
, NULL
, 0);
2380 if (retval
!= STATUS_SUCCESS
) {
2381 TRACE_RET(chip
, STATUS_FAIL
);
2388 retval
= sd_send_cmd_get_rsp(chip
, APP_CMD
, 0, SD_RSP_TYPE_R1
, NULL
, 0);
2389 if (retval
!= STATUS_SUCCESS
) {
2390 if (detect_card_cd(chip
, SD_CARD
) != STATUS_SUCCESS
) {
2391 sd_set_err_code(chip
, SD_NO_CARD
);
2392 TRACE_RET(chip
, STATUS_FAIL
);
2399 TRACE_RET(chip
, STATUS_FAIL
);
2403 retval
= sd_send_cmd_get_rsp(chip
, SD_APP_OP_COND
, voltage
, SD_RSP_TYPE_R3
, rsp
, 5);
2404 if (retval
!= STATUS_SUCCESS
) {
2409 TRACE_RET(chip
, STATUS_FAIL
);
2415 } while (!(rsp
[1] & 0x80) && (i
< 255));
2418 TRACE_RET(chip
, STATUS_FAIL
);
2422 if (rsp
[1] & 0x40) {
2423 SET_SD_HCXC(sd_card
);
2425 CLR_SD_HCXC(sd_card
);
2427 if (CHECK_PID(chip
, 0x5209) && CHK_SD_HCXC(sd_card
) && !sd20_mode
) {
2428 support_1v8
= (rsp
[1] & 0x01) ? 1 : 0;
2433 CLR_SD_HCXC(sd_card
);
2436 RTSX_DEBUGP("support_1v8 = %d\n", support_1v8
);
2439 retval
= sd_voltage_switch(chip
);
2440 if (retval
!= STATUS_SUCCESS
) {
2441 TRACE_RET(chip
, STATUS_FAIL
);
2445 retval
= sd_send_cmd_get_rsp(chip
, ALL_SEND_CID
, 0, SD_RSP_TYPE_R2
, NULL
, 0);
2446 if (retval
!= STATUS_SUCCESS
) {
2447 TRACE_RET(chip
, STATUS_FAIL
);
2450 for (i
= 0; i
< 3; i
++) {
2451 retval
= sd_send_cmd_get_rsp(chip
, SEND_RELATIVE_ADDR
, 0, SD_RSP_TYPE_R6
, rsp
, 5);
2452 if (retval
!= STATUS_SUCCESS
) {
2453 TRACE_RET(chip
, STATUS_FAIL
);
2456 sd_card
->sd_addr
= (u32
)rsp
[1] << 24;
2457 sd_card
->sd_addr
+= (u32
)rsp
[2] << 16;
2459 if (sd_card
->sd_addr
) {
2464 retval
= sd_check_csd(chip
, 1);
2465 if (retval
!= STATUS_SUCCESS
) {
2466 TRACE_RET(chip
, STATUS_FAIL
);
2469 retval
= sd_select_card(chip
, 1);
2470 if (retval
!= STATUS_SUCCESS
) {
2471 TRACE_RET(chip
, STATUS_FAIL
);
2474 #ifdef SUPPORT_SD_LOCK
2476 retval
= sd_update_lock_status(chip
);
2477 if (retval
!= STATUS_SUCCESS
) {
2478 TRACE_RET(chip
, STATUS_FAIL
);
2481 if (sd_card
->sd_lock_status
& SD_LOCKED
) {
2482 sd_card
->sd_lock_status
|= (SD_LOCK_1BIT_MODE
| SD_PWD_EXIST
);
2483 return STATUS_SUCCESS
;
2484 } else if (!(sd_card
->sd_lock_status
& SD_UNLOCK_POW_ON
)) {
2485 sd_card
->sd_lock_status
&= ~SD_PWD_EXIST
;
2489 retval
= sd_send_cmd_get_rsp(chip
, APP_CMD
, sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
2490 if (retval
!= STATUS_SUCCESS
) {
2491 TRACE_RET(chip
, STATUS_FAIL
);
2493 retval
= sd_send_cmd_get_rsp(chip
, SET_CLR_CARD_DETECT
, 0, SD_RSP_TYPE_R1
, NULL
, 0);
2494 if (retval
!= STATUS_SUCCESS
) {
2495 TRACE_RET(chip
, STATUS_FAIL
);
2499 retval
= sd_send_cmd_get_rsp(chip
, APP_CMD
, sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
2500 if (retval
!= STATUS_SUCCESS
) {
2501 TRACE_RET(chip
, STATUS_FAIL
);
2503 retval
= sd_send_cmd_get_rsp(chip
, SET_BUS_WIDTH
, 2, SD_RSP_TYPE_R1
, NULL
, 0);
2504 if (retval
!= STATUS_SUCCESS
) {
2505 TRACE_RET(chip
, STATUS_FAIL
);
2508 switch_bus_width
= SD_BUS_WIDTH_4
;
2510 switch_bus_width
= SD_BUS_WIDTH_1
;
2513 retval
= sd_send_cmd_get_rsp(chip
, SET_BLOCKLEN
, 0x200, SD_RSP_TYPE_R1
, NULL
, 0);
2514 if (retval
!= STATUS_SUCCESS
) {
2515 TRACE_RET(chip
, STATUS_FAIL
);
2518 retval
= sd_set_clock_divider(chip
, SD_CLK_DIVIDE_0
);
2519 if (retval
!= STATUS_SUCCESS
) {
2520 TRACE_RET(chip
, STATUS_FAIL
);
2523 if (!(sd_card
->raw_csd
[4] & 0x40))
2526 if (!sd_dont_switch
) {
2528 /* Set sd_switch_fail here, because we needn't
2529 * switch to UHS mode
2531 sd_card
->sd_switch_fail
= SDR104_SUPPORT_MASK
|
2532 DDR50_SUPPORT_MASK
| SDR50_SUPPORT_MASK
;
2535 /* Check the card whether follow SD1.1 spec or higher */
2536 retval
= sd_check_spec(chip
, switch_bus_width
);
2537 if (retval
== STATUS_SUCCESS
) {
2538 retval
= sd_switch_function(chip
, switch_bus_width
);
2539 if (retval
!= STATUS_SUCCESS
) {
2540 if (CHECK_PID(chip
, 0x5209)) {
2541 sd_change_bank_voltage(chip
, SD_IO_3V3
);
2543 sd_init_power(chip
);
2551 if (CHECK_PID(chip
, 0x5209)) {
2552 sd_change_bank_voltage(chip
, SD_IO_3V3
);
2554 sd_init_power(chip
);
2564 retval
= sd_send_cmd_get_rsp(chip
, APP_CMD
, sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
2565 if (retval
!= STATUS_SUCCESS
) {
2566 TRACE_RET(chip
, STATUS_FAIL
);
2568 retval
= sd_send_cmd_get_rsp(chip
, SET_BUS_WIDTH
, 2, SD_RSP_TYPE_R1
, NULL
, 0);
2569 if (retval
!= STATUS_SUCCESS
) {
2570 TRACE_RET(chip
, STATUS_FAIL
);
2574 #ifdef SUPPORT_SD_LOCK
2575 sd_card
->sd_lock_status
&= ~SD_LOCK_1BIT_MODE
;
2578 if (!sd20_mode
&& CHK_SD30_SPEED(sd_card
)) {
2581 RTSX_WRITE_REG(chip
, SD30_DRIVE_SEL
, 0x07, chip
->sd30_drive_sel_1v8
);
2583 retval
= sd_set_init_para(chip
);
2584 if (retval
!= STATUS_SUCCESS
) {
2585 TRACE_RET(chip
, STATUS_FAIL
);
2588 if (CHK_SD_DDR50(sd_card
)) {
2589 retval
= sd_ddr_tuning(chip
);
2591 retval
= sd_sdr_tuning(chip
);
2594 if (retval
!= STATUS_SUCCESS
) {
2596 TRACE_RET(chip
, STATUS_FAIL
);
2598 retval
= sd_init_power(chip
);
2599 if (retval
!= STATUS_SUCCESS
) {
2600 TRACE_RET(chip
, STATUS_FAIL
);
2608 sd_send_cmd_get_rsp(chip
, SEND_STATUS
, sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
2610 if (CHK_SD_DDR50(sd_card
)) {
2611 retval
= sd_wait_state_data_ready(chip
, 0x08, 1, 1000);
2612 if (retval
!= STATUS_SUCCESS
) {
2618 retval
= sd_read_lba0(chip
);
2619 if (retval
!= STATUS_SUCCESS
) {
2621 TRACE_RET(chip
, STATUS_FAIL
);
2623 retval
= sd_init_power(chip
);
2624 if (retval
!= STATUS_SUCCESS
) {
2625 TRACE_RET(chip
, STATUS_FAIL
);
2635 retval
= sd_check_wp_state(chip
);
2636 if (retval
!= STATUS_SUCCESS
) {
2637 TRACE_RET(chip
, STATUS_FAIL
);
2640 chip
->card_bus_width
[chip
->card2lun
[SD_CARD
]] = 4;
2642 #ifdef SUPPORT_SD_LOCK
2643 if (sd_card
->sd_lock_status
& SD_UNLOCK_POW_ON
) {
2644 RTSX_WRITE_REG(chip
, REG_SD_BLOCK_CNT_H
, 0xFF, 0x02);
2645 RTSX_WRITE_REG(chip
, REG_SD_BLOCK_CNT_L
, 0xFF, 0x00);
2649 return STATUS_SUCCESS
;
2653 static int mmc_test_switch_bus(struct rtsx_chip
*chip
, u8 width
)
2655 struct sd_info
*sd_card
= &(chip
->sd_card
);
2657 u8 buf
[8] = {0}, bus_width
, *ptr
;
2661 retval
= sd_send_cmd_get_rsp(chip
, BUSTEST_W
, 0, SD_RSP_TYPE_R1
, NULL
, 0);
2662 if (retval
!= STATUS_SUCCESS
) {
2663 TRACE_RET(chip
, STATUS_FAIL
);
2666 if (width
== MMC_8BIT_BUS
) {
2671 bus_width
= SD_BUS_WIDTH_8
;
2676 bus_width
= SD_BUS_WIDTH_4
;
2679 if (!CHECK_PID(chip
, 0x5209)) {
2680 RTSX_WRITE_REG(chip
, REG_SD_CFG3
, 0x02, 0x02);
2683 retval
= sd_write_data(chip
, SD_TM_AUTO_WRITE_3
,
2684 NULL
, 0, byte_cnt
, 1, bus_width
, buf
, len
, 100);
2685 if (retval
!= STATUS_SUCCESS
) {
2686 if (CHECK_PID(chip
, 0x5209)) {
2687 u8 val1
= 0, val2
= 0;
2688 rtsx_read_register(chip
, REG_SD_STAT1
, &val1
);
2689 rtsx_read_register(chip
, REG_SD_STAT2
, &val2
);
2690 rtsx_clear_sd_error(chip
);
2691 if ((val1
& 0xE0) || val2
) {
2692 TRACE_RET(chip
, STATUS_FAIL
);
2695 rtsx_clear_sd_error(chip
);
2696 rtsx_write_register(chip
, REG_SD_CFG3
, 0x02, 0);
2697 TRACE_RET(chip
, STATUS_FAIL
);
2701 if (!CHECK_PID(chip
, 0x5209)) {
2702 RTSX_WRITE_REG(chip
, REG_SD_CFG3
, 0x02, 0);
2705 RTSX_DEBUGP("SD/MMC CMD %d\n", BUSTEST_R
);
2707 rtsx_init_cmd(chip
);
2709 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD0
, 0xFF, 0x40 | BUSTEST_R
);
2711 if (width
== MMC_8BIT_BUS
) {
2712 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_L
, 0xFF, 0x08);
2714 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_L
, 0xFF, 0x04);
2717 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_L
, 0xFF, 1);
2718 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_H
, 0xFF, 0);
2720 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG2
, 0xFF,
2721 SD_CALCULATE_CRC7
| SD_NO_CHECK_CRC16
| SD_NO_WAIT_BUSY_END
|
2722 SD_CHECK_CRC7
| SD_RSP_LEN_6
);
2723 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_DATA_SOURCE
, 0x01, PINGPONG_BUFFER
);
2724 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_TRANSFER
, 0xFF, SD_TM_NORMAL_READ
| SD_TRANSFER_START
);
2725 rtsx_add_cmd(chip
, CHECK_REG_CMD
, REG_SD_TRANSFER
, SD_TRANSFER_END
, SD_TRANSFER_END
);
2727 rtsx_add_cmd(chip
, READ_REG_CMD
, PPBUF_BASE2
, 0, 0);
2728 if (width
== MMC_8BIT_BUS
) {
2729 rtsx_add_cmd(chip
, READ_REG_CMD
, PPBUF_BASE2
+ 1, 0, 0);
2732 retval
= rtsx_send_cmd(chip
, SD_CARD
, 100);
2734 rtsx_clear_sd_error(chip
);
2735 TRACE_RET(chip
, STATUS_FAIL
);
2738 ptr
= rtsx_get_cmd_data(chip
) + 1;
2740 if (width
== MMC_8BIT_BUS
) {
2741 RTSX_DEBUGP("BUSTEST_R [8bits]: 0x%02x 0x%02x\n", ptr
[0], ptr
[1]);
2742 if ((ptr
[0] == 0xAA) && (ptr
[1] == 0x55)) {
2746 if (CHK_MMC_DDR52(sd_card
)) {
2751 retval
= sd_send_cmd_get_rsp(chip
, SWITCH
, arg
, SD_RSP_TYPE_R1b
, rsp
, 5);
2752 if ((retval
== STATUS_SUCCESS
) && !(rsp
[4] & MMC_SWITCH_ERR
)) {
2753 return STATUS_SUCCESS
;
2757 RTSX_DEBUGP("BUSTEST_R [4bits]: 0x%02x\n", ptr
[0]);
2758 if (ptr
[0] == 0xA5) {
2762 if (CHK_MMC_DDR52(sd_card
)) {
2767 retval
= sd_send_cmd_get_rsp(chip
, SWITCH
, arg
, SD_RSP_TYPE_R1b
, rsp
, 5);
2768 if ((retval
== STATUS_SUCCESS
) && !(rsp
[4] & MMC_SWITCH_ERR
)) {
2769 return STATUS_SUCCESS
;
2774 TRACE_RET(chip
, STATUS_FAIL
);
2778 static int mmc_switch_timing_bus(struct rtsx_chip
*chip
, int switch_ddr
)
2780 struct sd_info
*sd_card
= &(chip
->sd_card
);
2782 u8
*ptr
, card_type
, card_type_mask
= 0;
2784 CLR_MMC_HS(sd_card
);
2786 RTSX_DEBUGP("SD/MMC CMD %d\n", SEND_EXT_CSD
);
2788 rtsx_init_cmd(chip
);
2790 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD0
, 0xFF, 0x40 | SEND_EXT_CSD
);
2791 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD1
, 0xFF, 0);
2792 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD2
, 0xFF, 0);
2793 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD3
, 0xFF, 0);
2794 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD4
, 0xFF, 0);
2796 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_L
, 0xFF, 0);
2797 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_H
, 0xFF, 2);
2798 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_L
, 0xFF, 1);
2799 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_H
, 0xFF, 0);
2801 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG2
, 0xFF,
2802 SD_CALCULATE_CRC7
| SD_CHECK_CRC16
| SD_NO_WAIT_BUSY_END
|
2803 SD_CHECK_CRC7
| SD_RSP_LEN_6
);
2804 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_DATA_SOURCE
, 0x01, PINGPONG_BUFFER
);
2805 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_TRANSFER
, 0xFF, SD_TM_NORMAL_READ
| SD_TRANSFER_START
);
2806 rtsx_add_cmd(chip
, CHECK_REG_CMD
, REG_SD_TRANSFER
, SD_TRANSFER_END
, SD_TRANSFER_END
);
2808 rtsx_add_cmd(chip
, READ_REG_CMD
, PPBUF_BASE2
+ 196, 0xFF, 0);
2809 rtsx_add_cmd(chip
, READ_REG_CMD
, PPBUF_BASE2
+ 212, 0xFF, 0);
2810 rtsx_add_cmd(chip
, READ_REG_CMD
, PPBUF_BASE2
+ 213, 0xFF, 0);
2811 rtsx_add_cmd(chip
, READ_REG_CMD
, PPBUF_BASE2
+ 214, 0xFF, 0);
2812 rtsx_add_cmd(chip
, READ_REG_CMD
, PPBUF_BASE2
+ 215, 0xFF, 0);
2814 retval
= rtsx_send_cmd(chip
, SD_CARD
, 1000);
2816 if (retval
== -ETIMEDOUT
) {
2817 rtsx_clear_sd_error(chip
);
2818 sd_send_cmd_get_rsp(chip
, SEND_STATUS
, sd_card
->sd_addr
,
2819 SD_RSP_TYPE_R1
, NULL
, 0);
2821 TRACE_RET(chip
, STATUS_FAIL
);
2824 ptr
= rtsx_get_cmd_data(chip
);
2825 if (ptr
[0] & SD_TRANSFER_ERR
) {
2826 sd_send_cmd_get_rsp(chip
, SEND_STATUS
, sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
2827 TRACE_RET(chip
, STATUS_FAIL
);
2830 if (CHK_MMC_SECTOR_MODE(sd_card
)) {
2831 sd_card
->capacity
= ((u32
)ptr
[5] << 24) | ((u32
)ptr
[4] << 16) |
2832 ((u32
)ptr
[3] << 8) | ((u32
)ptr
[2]);
2835 if (CHECK_PID(chip
, 0x5209)) {
2836 #ifdef SUPPORT_SD_LOCK
2837 if (!(sd_card
->sd_lock_status
& SD_SDR_RST
) &&
2838 (chip
->sd_ctl
& SUPPORT_MMC_DDR_MODE
)) {
2839 card_type_mask
= 0x07;
2841 card_type_mask
= 0x03;
2844 if (chip
->sd_ctl
& SUPPORT_MMC_DDR_MODE
) {
2845 card_type_mask
= 0x07;
2847 card_type_mask
= 0x03;
2851 card_type_mask
= 0x03;
2853 card_type
= ptr
[1] & card_type_mask
;
2857 if (card_type
& 0x04) {
2859 SET_MMC_DDR52(sd_card
);
2861 SET_MMC_52M(sd_card
);
2863 } else if (card_type
& 0x02) {
2864 SET_MMC_52M(sd_card
);
2866 SET_MMC_26M(sd_card
);
2869 retval
= sd_send_cmd_get_rsp(chip
, SWITCH
,
2870 0x03B90100, SD_RSP_TYPE_R1b
, rsp
, 5);
2871 if ((retval
!= STATUS_SUCCESS
) || (rsp
[4] & MMC_SWITCH_ERR
)) {
2872 CLR_MMC_HS(sd_card
);
2876 sd_choose_proper_clock(chip
);
2877 retval
= switch_clock(chip
, sd_card
->sd_clock
);
2878 if (retval
!= STATUS_SUCCESS
) {
2879 TRACE_RET(chip
, STATUS_FAIL
);
2882 if (mmc_test_switch_bus(chip
, MMC_8BIT_BUS
) == STATUS_SUCCESS
) {
2883 SET_MMC_8BIT(sd_card
);
2884 chip
->card_bus_width
[chip
->card2lun
[SD_CARD
]] = 8;
2885 #ifdef SUPPORT_SD_LOCK
2886 sd_card
->sd_lock_status
&= ~SD_LOCK_1BIT_MODE
;
2888 } else if (mmc_test_switch_bus(chip
, MMC_4BIT_BUS
) == STATUS_SUCCESS
) {
2889 SET_MMC_4BIT(sd_card
);
2890 chip
->card_bus_width
[chip
->card2lun
[SD_CARD
]] = 4;
2891 #ifdef SUPPORT_SD_LOCK
2892 sd_card
->sd_lock_status
&= ~SD_LOCK_1BIT_MODE
;
2895 CLR_MMC_8BIT(sd_card
);
2896 CLR_MMC_4BIT(sd_card
);
2899 return STATUS_SUCCESS
;
2903 static int reset_mmc(struct rtsx_chip
*chip
)
2905 struct sd_info
*sd_card
= &(chip
->sd_card
);
2906 int retval
, i
= 0, j
= 0, k
= 0;
2912 #ifdef SUPPORT_SD_LOCK
2913 if (sd_card
->sd_lock_status
& SD_UNLOCK_POW_ON
)
2914 goto MMC_UNLOCK_ENTRY
;
2919 retval
= sd_prepare_reset(chip
);
2920 if (retval
!= STATUS_SUCCESS
) {
2921 TRACE_RET(chip
, retval
);
2927 retval
= sd_send_cmd_get_rsp(chip
, GO_IDLE_STATE
, 0, SD_RSP_TYPE_R0
, NULL
, 0);
2928 if (retval
!= STATUS_SUCCESS
) {
2929 TRACE_RET(chip
, STATUS_FAIL
);
2933 if (detect_card_cd(chip
, SD_CARD
) != STATUS_SUCCESS
) {
2934 sd_set_err_code(chip
, SD_NO_CARD
);
2935 TRACE_RET(chip
, STATUS_FAIL
);
2938 retval
= sd_send_cmd_get_rsp(chip
, SEND_OP_COND
,
2939 (SUPPORT_VOLTAGE
|0x40000000), SD_RSP_TYPE_R3
, rsp
, 5);
2940 if (retval
!= STATUS_SUCCESS
) {
2941 if (sd_check_err_code(chip
, SD_BUSY
) || sd_check_err_code(chip
, SD_TO_ERR
)) {
2944 sd_clr_err_code(chip
);
2947 TRACE_RET(chip
, STATUS_FAIL
);
2952 sd_clr_err_code(chip
);
2955 TRACE_RET(chip
, STATUS_FAIL
);
2962 } while (!(rsp
[1] & 0x80) && (i
< 255));
2965 TRACE_RET(chip
, STATUS_FAIL
);
2968 if ((rsp
[1] & 0x60) == 0x40) {
2969 SET_MMC_SECTOR_MODE(sd_card
);
2971 CLR_MMC_SECTOR_MODE(sd_card
);
2974 retval
= sd_send_cmd_get_rsp(chip
, ALL_SEND_CID
, 0, SD_RSP_TYPE_R2
, NULL
, 0);
2975 if (retval
!= STATUS_SUCCESS
) {
2976 TRACE_RET(chip
, STATUS_FAIL
);
2979 sd_card
->sd_addr
= 0x00100000;
2980 retval
= sd_send_cmd_get_rsp(chip
, SET_RELATIVE_ADDR
, sd_card
->sd_addr
, SD_RSP_TYPE_R6
, rsp
, 5);
2981 if (retval
!= STATUS_SUCCESS
) {
2982 TRACE_RET(chip
, STATUS_FAIL
);
2985 retval
= sd_check_csd(chip
, 1);
2986 if (retval
!= STATUS_SUCCESS
) {
2987 TRACE_RET(chip
, STATUS_FAIL
);
2990 spec_ver
= (sd_card
->raw_csd
[0] & 0x3C) >> 2;
2992 retval
= sd_select_card(chip
, 1);
2993 if (retval
!= STATUS_SUCCESS
) {
2994 TRACE_RET(chip
, STATUS_FAIL
);
2997 retval
= sd_send_cmd_get_rsp(chip
, SET_BLOCKLEN
, 0x200, SD_RSP_TYPE_R1
, NULL
, 0);
2998 if (retval
!= STATUS_SUCCESS
) {
2999 TRACE_RET(chip
, STATUS_FAIL
);
3002 #ifdef SUPPORT_SD_LOCK
3004 retval
= sd_update_lock_status(chip
);
3005 if (retval
!= STATUS_SUCCESS
) {
3006 TRACE_RET(chip
, STATUS_FAIL
);
3010 retval
= sd_set_clock_divider(chip
, SD_CLK_DIVIDE_0
);
3011 if (retval
!= STATUS_SUCCESS
) {
3012 TRACE_RET(chip
, STATUS_FAIL
);
3015 chip
->card_bus_width
[chip
->card2lun
[SD_CARD
]] = 1;
3017 if (!sd_card
->mmc_dont_switch_bus
) {
3018 if (spec_ver
== 4) {
3019 (void)mmc_switch_timing_bus(chip
, switch_ddr
);
3022 if (CHK_MMC_SECTOR_MODE(sd_card
) && (sd_card
->capacity
== 0)) {
3023 TRACE_RET(chip
, STATUS_FAIL
);
3026 if (switch_ddr
&& CHK_MMC_DDR52(sd_card
)) {
3027 retval
= sd_set_init_para(chip
);
3028 if (retval
!= STATUS_SUCCESS
) {
3029 TRACE_RET(chip
, STATUS_FAIL
);
3032 retval
= mmc_ddr_tuning(chip
);
3033 if (retval
!= STATUS_SUCCESS
) {
3034 retval
= sd_init_power(chip
);
3035 if (retval
!= STATUS_SUCCESS
) {
3036 TRACE_RET(chip
, STATUS_FAIL
);
3039 goto DDR_TUNING_FAIL
;
3042 retval
= sd_wait_state_data_ready(chip
, 0x08, 1, 1000);
3043 if (retval
== STATUS_SUCCESS
) {
3044 retval
= sd_read_lba0(chip
);
3045 if (retval
!= STATUS_SUCCESS
) {
3046 retval
= sd_init_power(chip
);
3047 if (retval
!= STATUS_SUCCESS
) {
3048 TRACE_RET(chip
, STATUS_FAIL
);
3051 goto DDR_TUNING_FAIL
;
3057 #ifdef SUPPORT_SD_LOCK
3058 if (sd_card
->sd_lock_status
& SD_UNLOCK_POW_ON
) {
3059 RTSX_WRITE_REG(chip
, REG_SD_BLOCK_CNT_H
, 0xFF, 0x02);
3060 RTSX_WRITE_REG(chip
, REG_SD_BLOCK_CNT_L
, 0xFF, 0x00);
3064 temp
= rtsx_readl(chip
, RTSX_BIPR
);
3065 if (temp
& SD_WRITE_PROTECT
) {
3066 chip
->card_wp
|= SD_CARD
;
3069 return STATUS_SUCCESS
;
3072 int reset_sd_card(struct rtsx_chip
*chip
)
3074 struct sd_info
*sd_card
= &(chip
->sd_card
);
3077 sd_init_reg_addr(chip
);
3079 memset(sd_card
, 0, sizeof(struct sd_info
));
3080 chip
->capacity
[chip
->card2lun
[SD_CARD
]] = 0;
3082 retval
= enable_card_clock(chip
, SD_CARD
);
3083 if (retval
!= STATUS_SUCCESS
) {
3084 TRACE_RET(chip
, STATUS_FAIL
);
3087 if (chip
->ignore_sd
&& CHK_SDIO_EXIST(chip
) && !CHK_SDIO_IGNORED(chip
)) {
3088 if (chip
->asic_code
) {
3089 retval
= sd_pull_ctl_enable(chip
);
3090 if (retval
!= STATUS_SUCCESS
) {
3091 TRACE_RET(chip
, STATUS_FAIL
);
3094 retval
= rtsx_write_register(chip
, FPGA_PULL_CTL
,
3095 FPGA_SD_PULL_CTL_BIT
| 0x20, 0);
3096 if (retval
!= STATUS_SUCCESS
) {
3097 TRACE_RET(chip
, STATUS_FAIL
);
3100 retval
= card_share_mode(chip
, SD_CARD
);
3101 if (retval
!= STATUS_SUCCESS
) {
3102 TRACE_RET(chip
, STATUS_FAIL
);
3106 TRACE_RET(chip
, STATUS_FAIL
);
3109 retval
= sd_init_power(chip
);
3110 if (retval
!= STATUS_SUCCESS
) {
3111 TRACE_RET(chip
, STATUS_FAIL
);
3114 if (chip
->sd_ctl
& RESET_MMC_FIRST
) {
3115 retval
= reset_mmc(chip
);
3116 if ((retval
!= STATUS_SUCCESS
) && !sd_check_err_code(chip
, SD_NO_CARD
)) {
3117 retval
= reset_sd(chip
);
3118 if (retval
!= STATUS_SUCCESS
) {
3119 if (CHECK_PID(chip
, 0x5209)) {
3120 retval
= sd_change_bank_voltage(chip
, SD_IO_3V3
);
3121 if (retval
!= STATUS_SUCCESS
) {
3122 TRACE_RET(chip
, STATUS_FAIL
);
3128 retval
= reset_sd(chip
);
3129 if (retval
!= STATUS_SUCCESS
) {
3130 if (sd_check_err_code(chip
, SD_NO_CARD
)) {
3131 TRACE_RET(chip
, STATUS_FAIL
);
3134 if (CHECK_PID(chip
, 0x5209)) {
3135 retval
= sd_change_bank_voltage(chip
, SD_IO_3V3
);
3136 if (retval
!= STATUS_SUCCESS
) {
3137 TRACE_RET(chip
, STATUS_FAIL
);
3142 retval
= reset_mmc(chip
);
3147 if (retval
!= STATUS_SUCCESS
) {
3148 TRACE_RET(chip
, STATUS_FAIL
);
3151 retval
= sd_set_clock_divider(chip
, SD_CLK_DIVIDE_0
);
3152 if (retval
!= STATUS_SUCCESS
) {
3153 TRACE_RET(chip
, STATUS_FAIL
);
3155 RTSX_WRITE_REG(chip
, REG_SD_BYTE_CNT_L
, 0xFF, 0);
3156 RTSX_WRITE_REG(chip
, REG_SD_BYTE_CNT_H
, 0xFF, 2);
3158 chip
->capacity
[chip
->card2lun
[SD_CARD
]] = sd_card
->capacity
;
3160 retval
= sd_set_init_para(chip
);
3161 if (retval
!= STATUS_SUCCESS
) {
3162 TRACE_RET(chip
, STATUS_FAIL
);
3165 RTSX_DEBUGP("sd_card->sd_type = 0x%x\n", sd_card
->sd_type
);
3167 return STATUS_SUCCESS
;
3170 static int reset_mmc_only(struct rtsx_chip
*chip
)
3172 struct sd_info
*sd_card
= &(chip
->sd_card
);
3175 sd_card
->sd_type
= 0;
3176 sd_card
->seq_mode
= 0;
3177 sd_card
->sd_data_buf_ready
= 0;
3178 sd_card
->capacity
= 0;
3179 sd_card
->sd_switch_fail
= 0;
3181 #ifdef SUPPORT_SD_LOCK
3182 sd_card
->sd_lock_status
= 0;
3183 sd_card
->sd_erase_status
= 0;
3186 chip
->capacity
[chip
->card2lun
[SD_CARD
]] = sd_card
->capacity
= 0;
3188 retval
= enable_card_clock(chip
, SD_CARD
);
3189 if (retval
!= STATUS_SUCCESS
) {
3190 TRACE_RET(chip
, STATUS_FAIL
);
3193 retval
= sd_init_power(chip
);
3194 if (retval
!= STATUS_SUCCESS
) {
3195 TRACE_RET(chip
, STATUS_FAIL
);
3198 retval
= reset_mmc(chip
);
3199 if (retval
!= STATUS_SUCCESS
) {
3200 TRACE_RET(chip
, STATUS_FAIL
);
3203 retval
= sd_set_clock_divider(chip
, SD_CLK_DIVIDE_0
);
3204 if (retval
!= STATUS_SUCCESS
) {
3205 TRACE_RET(chip
, STATUS_FAIL
);
3207 RTSX_WRITE_REG(chip
, REG_SD_BYTE_CNT_L
, 0xFF, 0);
3208 RTSX_WRITE_REG(chip
, REG_SD_BYTE_CNT_H
, 0xFF, 2);
3210 chip
->capacity
[chip
->card2lun
[SD_CARD
]] = sd_card
->capacity
;
3212 retval
= sd_set_init_para(chip
);
3213 if (retval
!= STATUS_SUCCESS
) {
3214 TRACE_RET(chip
, STATUS_FAIL
);
3217 RTSX_DEBUGP("In reset_mmc_only, sd_card->sd_type = 0x%x\n", sd_card
->sd_type
);
3219 return STATUS_SUCCESS
;
3222 #define WAIT_DATA_READY_RTY_CNT 255
3224 static int wait_data_buf_ready(struct rtsx_chip
*chip
)
3226 struct sd_info
*sd_card
= &(chip
->sd_card
);
3229 for (i
= 0; i
< WAIT_DATA_READY_RTY_CNT
; i
++) {
3230 if (detect_card_cd(chip
, SD_CARD
) != STATUS_SUCCESS
) {
3231 sd_set_err_code(chip
, SD_NO_CARD
);
3232 TRACE_RET(chip
, STATUS_FAIL
);
3235 sd_card
->sd_data_buf_ready
= 0;
3237 retval
= sd_send_cmd_get_rsp(chip
, SEND_STATUS
,
3238 sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
3239 if (retval
!= STATUS_SUCCESS
) {
3240 TRACE_RET(chip
, STATUS_FAIL
);
3243 if (sd_card
->sd_data_buf_ready
) {
3244 return sd_send_cmd_get_rsp(chip
, SEND_STATUS
,
3245 sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
3249 sd_set_err_code(chip
, SD_TO_ERR
);
3251 TRACE_RET(chip
, STATUS_FAIL
);
3254 void sd_stop_seq_mode(struct rtsx_chip
*chip
)
3256 struct sd_info
*sd_card
= &(chip
->sd_card
);
3259 if (sd_card
->seq_mode
) {
3260 retval
= sd_switch_clock(chip
);
3261 if (retval
!= STATUS_SUCCESS
) {
3265 retval
= sd_send_cmd_get_rsp(chip
, STOP_TRANSMISSION
, 0,
3266 SD_RSP_TYPE_R1b
, NULL
, 0);
3267 if (retval
!= STATUS_SUCCESS
) {
3268 sd_set_err_code(chip
, SD_STS_ERR
);
3270 retval
= sd_wait_state_data_ready(chip
, 0x08, 1, 1000);
3271 if (retval
!= STATUS_SUCCESS
) {
3272 sd_set_err_code(chip
, SD_STS_ERR
);
3274 sd_card
->seq_mode
= 0;
3276 rtsx_write_register(chip
, RBCTL
, RB_FLUSH
, RB_FLUSH
);
3280 static inline int sd_auto_tune_clock(struct rtsx_chip
*chip
)
3282 struct sd_info
*sd_card
= &(chip
->sd_card
);
3285 if (chip
->asic_code
) {
3286 if (sd_card
->sd_clock
> 30) {
3287 sd_card
->sd_clock
-= 20;
3290 switch (sd_card
->sd_clock
) {
3292 sd_card
->sd_clock
= CLK_150
;
3296 sd_card
->sd_clock
= CLK_120
;
3300 sd_card
->sd_clock
= CLK_100
;
3304 sd_card
->sd_clock
= CLK_80
;
3308 sd_card
->sd_clock
= CLK_60
;
3312 sd_card
->sd_clock
= CLK_50
;
3320 retval
= sd_switch_clock(chip
);
3321 if (retval
!= STATUS_SUCCESS
) {
3322 TRACE_RET(chip
, STATUS_FAIL
);
3325 return STATUS_SUCCESS
;
3328 int sd_rw(struct scsi_cmnd
*srb
, struct rtsx_chip
*chip
, u32 start_sector
, u16 sector_cnt
)
3330 struct sd_info
*sd_card
= &(chip
->sd_card
);
3335 if (srb
->sc_data_direction
== DMA_FROM_DEVICE
) {
3336 RTSX_DEBUGP("sd_rw: Read %d %s from 0x%x\n", sector_cnt
,
3337 (sector_cnt
> 1) ? "sectors" : "sector", start_sector
);
3339 RTSX_DEBUGP("sd_rw: Write %d %s to 0x%x\n", sector_cnt
,
3340 (sector_cnt
> 1) ? "sectors" : "sector", start_sector
);
3343 sd_card
->cleanup_counter
= 0;
3345 if (!(chip
->card_ready
& SD_CARD
)) {
3346 sd_card
->seq_mode
= 0;
3348 retval
= reset_sd_card(chip
);
3349 if (retval
== STATUS_SUCCESS
) {
3350 chip
->card_ready
|= SD_CARD
;
3351 chip
->card_fail
&= ~SD_CARD
;
3353 chip
->card_ready
&= ~SD_CARD
;
3354 chip
->card_fail
|= SD_CARD
;
3355 chip
->capacity
[chip
->card2lun
[SD_CARD
]] = 0;
3356 chip
->rw_need_retry
= 1;
3357 TRACE_RET(chip
, STATUS_FAIL
);
3361 if (!CHK_SD_HCXC(sd_card
) && !CHK_MMC_SECTOR_MODE(sd_card
)) {
3362 data_addr
= start_sector
<< 9;
3364 data_addr
= start_sector
;
3367 sd_clr_err_code(chip
);
3369 retval
= sd_switch_clock(chip
);
3370 if (retval
!= STATUS_SUCCESS
) {
3371 sd_set_err_code(chip
, SD_IO_ERR
);
3372 TRACE_GOTO(chip
, RW_FAIL
);
3375 if (sd_card
->seq_mode
&& ((sd_card
->pre_dir
!= srb
->sc_data_direction
)
3376 || ((sd_card
->pre_sec_addr
+ sd_card
->pre_sec_cnt
) != start_sector
))) {
3377 if ((sd_card
->pre_sec_cnt
< 0x80)
3378 && (sd_card
->pre_dir
== DMA_FROM_DEVICE
)
3379 && !CHK_SD30_SPEED(sd_card
)
3380 && !CHK_SD_HS(sd_card
)
3381 && !CHK_MMC_HS(sd_card
)) {
3382 sd_send_cmd_get_rsp(chip
, SEND_STATUS
,
3383 sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
3386 retval
= sd_send_cmd_get_rsp(chip
, STOP_TRANSMISSION
,
3387 0, SD_RSP_TYPE_R1b
, NULL
, 0);
3388 if (retval
!= STATUS_SUCCESS
) {
3389 chip
->rw_need_retry
= 1;
3390 sd_set_err_code(chip
, SD_STS_ERR
);
3391 TRACE_GOTO(chip
, RW_FAIL
);
3394 sd_card
->seq_mode
= 0;
3396 retval
= rtsx_write_register(chip
, RBCTL
, RB_FLUSH
, RB_FLUSH
);
3397 if (retval
!= STATUS_SUCCESS
) {
3398 sd_set_err_code(chip
, SD_IO_ERR
);
3399 TRACE_GOTO(chip
, RW_FAIL
);
3402 if ((sd_card
->pre_sec_cnt
< 0x80)
3403 && !CHK_SD30_SPEED(sd_card
)
3404 && !CHK_SD_HS(sd_card
)
3405 && !CHK_MMC_HS(sd_card
)) {
3406 sd_send_cmd_get_rsp(chip
, SEND_STATUS
,
3407 sd_card
->sd_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
3411 rtsx_init_cmd(chip
);
3413 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_L
, 0xFF, 0x00);
3414 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_H
, 0xFF, 0x02);
3415 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_L
, 0xFF, (u8
)sector_cnt
);
3416 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_H
, 0xFF, (u8
)(sector_cnt
>> 8));
3418 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_DATA_SOURCE
, 0x01, RING_BUFFER
);
3420 if (CHK_MMC_8BIT(sd_card
)) {
3421 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG1
, 0x03, SD_BUS_WIDTH_8
);
3422 } else if (CHK_MMC_4BIT(sd_card
) || CHK_SD(sd_card
)) {
3423 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG1
, 0x03, SD_BUS_WIDTH_4
);
3425 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG1
, 0x03, SD_BUS_WIDTH_1
);
3428 if (sd_card
->seq_mode
) {
3429 cfg2
= SD_NO_CALCULATE_CRC7
| SD_CHECK_CRC16
| SD_NO_WAIT_BUSY_END
|
3430 SD_NO_CHECK_CRC7
| SD_RSP_LEN_0
;
3431 if (CHECK_PID(chip
, 0x5209)) {
3432 if (!CHK_SD30_SPEED(sd_card
)) {
3433 cfg2
|= SD_NO_CHECK_WAIT_CRC_TO
;
3436 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG2
, 0xFF, cfg2
);
3438 trans_dma_enable(srb
->sc_data_direction
, chip
, sector_cnt
* 512, DMA_512
);
3440 if (srb
->sc_data_direction
== DMA_FROM_DEVICE
) {
3441 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_TRANSFER
, 0xFF,
3442 SD_TM_AUTO_READ_3
| SD_TRANSFER_START
);
3444 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_TRANSFER
, 0xFF,
3445 SD_TM_AUTO_WRITE_3
| SD_TRANSFER_START
);
3448 rtsx_add_cmd(chip
, CHECK_REG_CMD
, REG_SD_TRANSFER
, SD_TRANSFER_END
, SD_TRANSFER_END
);
3450 rtsx_send_cmd_no_wait(chip
);
3452 if (srb
->sc_data_direction
== DMA_FROM_DEVICE
) {
3453 RTSX_DEBUGP("SD/MMC CMD %d\n", READ_MULTIPLE_BLOCK
);
3454 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD0
, 0xFF,
3455 0x40 | READ_MULTIPLE_BLOCK
);
3456 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD1
, 0xFF, (u8
)(data_addr
>> 24));
3457 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD2
, 0xFF, (u8
)(data_addr
>> 16));
3458 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD3
, 0xFF, (u8
)(data_addr
>> 8));
3459 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD4
, 0xFF, (u8
)data_addr
);
3461 cfg2
= SD_CALCULATE_CRC7
| SD_CHECK_CRC16
| SD_NO_WAIT_BUSY_END
|
3462 SD_CHECK_CRC7
| SD_RSP_LEN_6
;
3463 if (CHECK_PID(chip
, 0x5209)) {
3464 if (!CHK_SD30_SPEED(sd_card
)) {
3465 cfg2
|= SD_NO_CHECK_WAIT_CRC_TO
;
3468 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG2
, 0xFF, cfg2
);
3470 trans_dma_enable(srb
->sc_data_direction
, chip
, sector_cnt
* 512, DMA_512
);
3472 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_TRANSFER
, 0xFF,
3473 SD_TM_AUTO_READ_2
| SD_TRANSFER_START
);
3474 rtsx_add_cmd(chip
, CHECK_REG_CMD
, REG_SD_TRANSFER
,
3475 SD_TRANSFER_END
, SD_TRANSFER_END
);
3477 rtsx_send_cmd_no_wait(chip
);
3479 retval
= rtsx_send_cmd(chip
, SD_CARD
, 50);
3481 rtsx_clear_sd_error(chip
);
3483 chip
->rw_need_retry
= 1;
3484 sd_set_err_code(chip
, SD_TO_ERR
);
3485 TRACE_GOTO(chip
, RW_FAIL
);
3488 retval
= wait_data_buf_ready(chip
);
3489 if (retval
!= STATUS_SUCCESS
) {
3490 chip
->rw_need_retry
= 1;
3491 sd_set_err_code(chip
, SD_TO_ERR
);
3492 TRACE_GOTO(chip
, RW_FAIL
);
3495 retval
= sd_send_cmd_get_rsp(chip
, WRITE_MULTIPLE_BLOCK
,
3496 data_addr
, SD_RSP_TYPE_R1
, NULL
, 0);
3497 if (retval
!= STATUS_SUCCESS
) {
3498 chip
->rw_need_retry
= 1;
3499 TRACE_GOTO(chip
, RW_FAIL
);
3502 rtsx_init_cmd(chip
);
3504 cfg2
= SD_NO_CALCULATE_CRC7
| SD_CHECK_CRC16
| SD_NO_WAIT_BUSY_END
|
3505 SD_NO_CHECK_CRC7
| SD_RSP_LEN_0
;
3506 if (CHECK_PID(chip
, 0x5209)) {
3507 if (!CHK_SD30_SPEED(sd_card
)) {
3508 cfg2
|= SD_NO_CHECK_WAIT_CRC_TO
;
3511 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG2
, 0xFF, cfg2
);
3513 trans_dma_enable(srb
->sc_data_direction
, chip
, sector_cnt
* 512, DMA_512
);
3515 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_TRANSFER
, 0xFF,
3516 SD_TM_AUTO_WRITE_3
| SD_TRANSFER_START
);
3517 rtsx_add_cmd(chip
, CHECK_REG_CMD
, REG_SD_TRANSFER
,
3518 SD_TRANSFER_END
, SD_TRANSFER_END
);
3520 rtsx_send_cmd_no_wait(chip
);
3523 sd_card
->seq_mode
= 1;
3526 retval
= rtsx_transfer_data(chip
, SD_CARD
, scsi_sglist(srb
), scsi_bufflen(srb
),
3527 scsi_sg_count(srb
), srb
->sc_data_direction
, chip
->sd_timeout
);
3532 sd_card
->seq_mode
= 0;
3534 if (retval
== -ETIMEDOUT
) {
3535 err
= STATUS_TIMEDOUT
;
3540 rtsx_read_register(chip
, REG_SD_STAT1
, &stat
);
3541 rtsx_clear_sd_error(chip
);
3542 if (detect_card_cd(chip
, SD_CARD
) != STATUS_SUCCESS
) {
3543 chip
->rw_need_retry
= 0;
3544 RTSX_DEBUGP("No card exist, exit sd_rw\n");
3545 TRACE_RET(chip
, STATUS_FAIL
);
3548 chip
->rw_need_retry
= 1;
3550 retval
= sd_send_cmd_get_rsp(chip
, STOP_TRANSMISSION
, 0, SD_RSP_TYPE_R1b
, NULL
, 0);
3551 if (retval
!= STATUS_SUCCESS
) {
3552 sd_set_err_code(chip
, SD_STS_ERR
);
3553 TRACE_GOTO(chip
, RW_FAIL
);
3556 if (stat
& (SD_CRC7_ERR
| SD_CRC16_ERR
| SD_CRC_WRITE_ERR
)) {
3557 RTSX_DEBUGP("SD CRC error, tune clock!\n");
3558 sd_set_err_code(chip
, SD_CRC_ERR
);
3559 TRACE_GOTO(chip
, RW_FAIL
);
3562 if (err
== STATUS_TIMEDOUT
) {
3563 sd_set_err_code(chip
, SD_TO_ERR
);
3564 TRACE_GOTO(chip
, RW_FAIL
);
3567 TRACE_RET(chip
, err
);
3570 sd_card
->pre_sec_addr
= start_sector
;
3571 sd_card
->pre_sec_cnt
= sector_cnt
;
3572 sd_card
->pre_dir
= srb
->sc_data_direction
;
3574 return STATUS_SUCCESS
;
3577 sd_card
->seq_mode
= 0;
3579 if (detect_card_cd(chip
, SD_CARD
) != STATUS_SUCCESS
) {
3580 chip
->rw_need_retry
= 0;
3581 RTSX_DEBUGP("No card exist, exit sd_rw\n");
3582 TRACE_RET(chip
, STATUS_FAIL
);
3585 if (sd_check_err_code(chip
, SD_CRC_ERR
)) {
3586 if (CHK_MMC_4BIT(sd_card
) || CHK_MMC_8BIT(sd_card
)) {
3587 sd_card
->mmc_dont_switch_bus
= 1;
3588 reset_mmc_only(chip
);
3589 sd_card
->mmc_dont_switch_bus
= 0;
3591 sd_card
->need_retune
= 1;
3592 sd_auto_tune_clock(chip
);
3594 } else if (sd_check_err_code(chip
, SD_TO_ERR
| SD_STS_ERR
)) {
3595 retval
= reset_sd_card(chip
);
3596 if (retval
!= STATUS_SUCCESS
) {
3597 chip
->card_ready
&= ~SD_CARD
;
3598 chip
->card_fail
|= SD_CARD
;
3599 chip
->capacity
[chip
->card2lun
[SD_CARD
]] = 0;
3603 TRACE_RET(chip
, STATUS_FAIL
);
3607 int soft_reset_sd_card(struct rtsx_chip
*chip
)
3609 return reset_sd(chip
);
3612 int ext_sd_send_cmd_get_rsp(struct rtsx_chip
*chip
, u8 cmd_idx
,
3613 u32 arg
, u8 rsp_type
, u8
*rsp
, int rsp_len
, int special_check
)
3622 RTSX_DEBUGP("EXT SD/MMC CMD %d\n", cmd_idx
);
3624 if (rsp_type
== SD_RSP_TYPE_R1b
) {
3630 rtsx_init_cmd(chip
);
3632 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD0
, 0xFF, 0x40 | cmd_idx
);
3633 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD1
, 0xFF, (u8
)(arg
>> 24));
3634 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD2
, 0xFF, (u8
)(arg
>> 16));
3635 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD3
, 0xFF, (u8
)(arg
>> 8));
3636 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD4
, 0xFF, (u8
)arg
);
3638 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG2
, 0xFF, rsp_type
);
3639 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_DATA_SOURCE
,
3640 0x01, PINGPONG_BUFFER
);
3641 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_TRANSFER
,
3642 0xFF, SD_TM_CMD_RSP
| SD_TRANSFER_START
);
3643 rtsx_add_cmd(chip
, CHECK_REG_CMD
, REG_SD_TRANSFER
, SD_TRANSFER_END
, SD_TRANSFER_END
);
3645 if (rsp_type
== SD_RSP_TYPE_R2
) {
3646 for (reg_addr
= PPBUF_BASE2
; reg_addr
< PPBUF_BASE2
+ 16; reg_addr
++) {
3647 rtsx_add_cmd(chip
, READ_REG_CMD
, reg_addr
, 0, 0);
3650 } else if (rsp_type
!= SD_RSP_TYPE_R0
) {
3651 for (reg_addr
= REG_SD_CMD0
; reg_addr
<= REG_SD_CMD4
; reg_addr
++) {
3652 rtsx_add_cmd(chip
, READ_REG_CMD
, reg_addr
, 0, 0);
3656 rtsx_add_cmd(chip
, READ_REG_CMD
, REG_SD_CMD5
, 0, 0);
3658 rtsx_add_cmd(chip
, READ_REG_CMD
, REG_SD_STAT1
, 0, 0);
3660 retval
= rtsx_send_cmd(chip
, SD_CARD
, timeout
);
3662 if (retval
== -ETIMEDOUT
) {
3663 rtsx_clear_sd_error(chip
);
3665 if (rsp_type
& SD_WAIT_BUSY_END
) {
3666 retval
= sd_check_data0_status(chip
);
3667 if (retval
!= STATUS_SUCCESS
) {
3668 TRACE_RET(chip
, retval
);
3671 sd_set_err_code(chip
, SD_TO_ERR
);
3674 TRACE_RET(chip
, STATUS_FAIL
);
3677 if (rsp_type
== SD_RSP_TYPE_R0
) {
3678 return STATUS_SUCCESS
;
3681 ptr
= rtsx_get_cmd_data(chip
) + 1;
3683 if ((ptr
[0] & 0xC0) != 0) {
3684 sd_set_err_code(chip
, SD_STS_ERR
);
3685 TRACE_RET(chip
, STATUS_FAIL
);
3688 if (!(rsp_type
& SD_NO_CHECK_CRC7
)) {
3689 if (ptr
[stat_idx
] & SD_CRC7_ERR
) {
3690 if (cmd_idx
== WRITE_MULTIPLE_BLOCK
) {
3691 sd_set_err_code(chip
, SD_CRC_ERR
);
3692 TRACE_RET(chip
, STATUS_FAIL
);
3694 if (rty_cnt
< SD_MAX_RETRY_COUNT
) {
3699 sd_set_err_code(chip
, SD_CRC_ERR
);
3700 TRACE_RET(chip
, STATUS_FAIL
);
3705 if ((cmd_idx
== SELECT_CARD
) || (cmd_idx
== APP_CMD
) ||
3706 (cmd_idx
== SEND_STATUS
) || (cmd_idx
== STOP_TRANSMISSION
)) {
3707 if ((cmd_idx
!= STOP_TRANSMISSION
) && (special_check
== 0)) {
3708 if (ptr
[1] & 0x80) {
3709 TRACE_RET(chip
, STATUS_FAIL
);
3712 #ifdef SUPPORT_SD_LOCK
3718 TRACE_RET(chip
, STATUS_FAIL
);
3720 if (ptr
[2] & 0xF8) {
3721 TRACE_RET(chip
, STATUS_FAIL
);
3724 if (cmd_idx
== SELECT_CARD
) {
3725 if (rsp_type
== SD_RSP_TYPE_R2
) {
3726 if ((ptr
[3] & 0x1E) != 0x04) {
3727 TRACE_RET(chip
, STATUS_FAIL
);
3729 } else if (rsp_type
== SD_RSP_TYPE_R2
) {
3730 if ((ptr
[3] & 0x1E) != 0x03) {
3731 TRACE_RET(chip
, STATUS_FAIL
);
3737 if (rsp
&& rsp_len
) {
3738 memcpy(rsp
, ptr
, rsp_len
);
3741 return STATUS_SUCCESS
;
3744 int ext_sd_get_rsp(struct rtsx_chip
*chip
, int len
, u8
*rsp
, u8 rsp_type
)
3746 int retval
, rsp_len
;
3749 if (rsp_type
== SD_RSP_TYPE_R0
) {
3750 return STATUS_SUCCESS
;
3753 rtsx_init_cmd(chip
);
3755 if (rsp_type
== SD_RSP_TYPE_R2
) {
3756 for (reg_addr
= PPBUF_BASE2
; reg_addr
< PPBUF_BASE2
+ 16; reg_addr
++) {
3757 rtsx_add_cmd(chip
, READ_REG_CMD
, reg_addr
, 0xFF, 0);
3760 } else if (rsp_type
!= SD_RSP_TYPE_R0
) {
3761 for (reg_addr
= REG_SD_CMD0
; reg_addr
<= REG_SD_CMD4
; reg_addr
++) {
3762 rtsx_add_cmd(chip
, READ_REG_CMD
, reg_addr
, 0xFF, 0);
3766 rtsx_add_cmd(chip
, READ_REG_CMD
, REG_SD_CMD5
, 0xFF, 0);
3768 retval
= rtsx_send_cmd(chip
, SD_CARD
, 100);
3769 if (retval
!= STATUS_SUCCESS
) {
3770 TRACE_RET(chip
, STATUS_FAIL
);
3774 int min_len
= (rsp_len
< len
) ? rsp_len
: len
;
3776 memcpy(rsp
, rtsx_get_cmd_data(chip
), min_len
);
3778 RTSX_DEBUGP("min_len = %d\n", min_len
);
3779 RTSX_DEBUGP("Response in cmd buf: 0x%x 0x%x 0x%x 0x%x\n",
3780 rsp
[0], rsp
[1], rsp
[2], rsp
[3]);
3783 return STATUS_SUCCESS
;
3786 int sd_pass_thru_mode(struct scsi_cmnd
*srb
, struct rtsx_chip
*chip
)
3788 struct sd_info
*sd_card
= &(chip
->sd_card
);
3789 unsigned int lun
= SCSI_LUN(srb
);
3812 sd_card
->pre_cmd_err
= 0;
3814 if (!(CHK_BIT(chip
->lun_mc
, lun
))) {
3815 SET_BIT(chip
->lun_mc
, lun
);
3816 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_CHANGE
);
3817 TRACE_RET(chip
, TRANSPORT_FAILED
);
3820 if ((0x53 != srb
->cmnd
[2]) || (0x44 != srb
->cmnd
[3]) || (0x20 != srb
->cmnd
[4]) ||
3821 (0x43 != srb
->cmnd
[5]) || (0x61 != srb
->cmnd
[6]) ||
3822 (0x72 != srb
->cmnd
[7]) || (0x64 != srb
->cmnd
[8])) {
3823 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD
);
3824 TRACE_RET(chip
, TRANSPORT_FAILED
);
3827 switch (srb
->cmnd
[1] & 0x0F) {
3829 sd_card
->sd_pass_thru_en
= 0;
3833 sd_card
->sd_pass_thru_en
= 1;
3837 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD
);
3838 TRACE_RET(chip
, TRANSPORT_FAILED
);
3841 buf
[5] = (1 == CHK_SD(sd_card
)) ? 0x01 : 0x02;
3842 if (chip
->card_wp
& SD_CARD
) {
3846 buf
[6] = (u8
)(sd_card
->sd_addr
>> 16);
3847 buf
[7] = (u8
)(sd_card
->sd_addr
>> 24);
3849 buf
[15] = chip
->max_lun
;
3851 len
= min(18, (int)scsi_bufflen(srb
));
3852 rtsx_stor_set_xfer_buf(buf
, len
, srb
);
3854 return TRANSPORT_GOOD
;
3857 static inline int get_rsp_type(struct scsi_cmnd
*srb
, u8
*rsp_type
, int *rsp_len
)
3859 if (!rsp_type
|| !rsp_len
) {
3863 switch (srb
->cmnd
[10]) {
3865 *rsp_type
= SD_RSP_TYPE_R0
;
3870 *rsp_type
= SD_RSP_TYPE_R1
;
3875 *rsp_type
= SD_RSP_TYPE_R1b
;
3880 *rsp_type
= SD_RSP_TYPE_R2
;
3885 *rsp_type
= SD_RSP_TYPE_R3
;
3893 return STATUS_SUCCESS
;
3896 int sd_execute_no_data(struct scsi_cmnd
*srb
, struct rtsx_chip
*chip
)
3898 struct sd_info
*sd_card
= &(chip
->sd_card
);
3899 unsigned int lun
= SCSI_LUN(srb
);
3900 int retval
, rsp_len
;
3901 u8 cmd_idx
, rsp_type
;
3902 u8 standby
= 0, acmd
= 0;
3905 if (!sd_card
->sd_pass_thru_en
) {
3906 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD
);
3907 TRACE_RET(chip
, TRANSPORT_FAILED
);
3910 retval
= sd_switch_clock(chip
);
3911 if (retval
!= STATUS_SUCCESS
) {
3912 TRACE_RET(chip
, TRANSPORT_FAILED
);
3915 if (sd_card
->pre_cmd_err
) {
3916 sd_card
->pre_cmd_err
= 0;
3917 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_CHANGE
);
3918 TRACE_RET(chip
, TRANSPORT_FAILED
);
3921 cmd_idx
= srb
->cmnd
[2] & 0x3F;
3922 if (srb
->cmnd
[1] & 0x02) {
3925 if (srb
->cmnd
[1] & 0x01) {
3929 arg
= ((u32
)srb
->cmnd
[3] << 24) | ((u32
)srb
->cmnd
[4] << 16) |
3930 ((u32
)srb
->cmnd
[5] << 8) | srb
->cmnd
[6];
3932 retval
= get_rsp_type(srb
, &rsp_type
, &rsp_len
);
3933 if (retval
!= STATUS_SUCCESS
) {
3934 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD
);
3935 TRACE_RET(chip
, TRANSPORT_FAILED
);
3937 sd_card
->last_rsp_type
= rsp_type
;
3939 retval
= sd_switch_clock(chip
);
3940 if (retval
!= STATUS_SUCCESS
) {
3941 TRACE_RET(chip
, TRANSPORT_FAILED
);
3944 #ifdef SUPPORT_SD_LOCK
3945 if ((sd_card
->sd_lock_status
& SD_LOCK_1BIT_MODE
) == 0) {
3946 if (CHK_MMC_8BIT(sd_card
)) {
3947 retval
= rtsx_write_register(chip
, REG_SD_CFG1
, 0x03, SD_BUS_WIDTH_8
);
3948 if (retval
!= STATUS_SUCCESS
) {
3949 TRACE_RET(chip
, TRANSPORT_FAILED
);
3951 } else if (CHK_SD(sd_card
) || CHK_MMC_4BIT(sd_card
)) {
3952 retval
= rtsx_write_register(chip
, REG_SD_CFG1
, 0x03, SD_BUS_WIDTH_4
);
3953 if (retval
!= STATUS_SUCCESS
) {
3954 TRACE_RET(chip
, TRANSPORT_FAILED
);
3959 retval
= rtsx_write_register(chip
, REG_SD_CFG1
, 0x03, SD_BUS_WIDTH_4
);
3960 if (retval
!= STATUS_SUCCESS
) {
3961 TRACE_RET(chip
, TRANSPORT_FAILED
);
3966 retval
= sd_select_card(chip
, 0);
3967 if (retval
!= STATUS_SUCCESS
) {
3968 TRACE_GOTO(chip
, SD_Execute_Cmd_Failed
);
3973 retval
= ext_sd_send_cmd_get_rsp(chip
, APP_CMD
, sd_card
->sd_addr
,
3974 SD_RSP_TYPE_R1
, NULL
, 0, 0);
3975 if (retval
!= STATUS_SUCCESS
) {
3976 TRACE_GOTO(chip
, SD_Execute_Cmd_Failed
);
3980 retval
= ext_sd_send_cmd_get_rsp(chip
, cmd_idx
, arg
, rsp_type
,
3981 sd_card
->rsp
, rsp_len
, 0);
3982 if (retval
!= STATUS_SUCCESS
) {
3983 TRACE_GOTO(chip
, SD_Execute_Cmd_Failed
);
3987 retval
= sd_select_card(chip
, 1);
3988 if (retval
!= STATUS_SUCCESS
) {
3989 TRACE_GOTO(chip
, SD_Execute_Cmd_Failed
);
3993 #ifdef SUPPORT_SD_LOCK
3994 retval
= sd_update_lock_status(chip
);
3995 if (retval
!= STATUS_SUCCESS
) {
3996 TRACE_GOTO(chip
, SD_Execute_Cmd_Failed
);
4000 scsi_set_resid(srb
, 0);
4001 return TRANSPORT_GOOD
;
4003 SD_Execute_Cmd_Failed
:
4004 sd_card
->pre_cmd_err
= 1;
4005 set_sense_type(chip
, lun
, SENSE_TYPE_NO_SENSE
);
4006 release_sd_card(chip
);
4007 do_reset_sd_card(chip
);
4008 if (!(chip
->card_ready
& SD_CARD
)) {
4009 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_NOT_PRESENT
);
4012 TRACE_RET(chip
, TRANSPORT_FAILED
);
4015 int sd_execute_read_data(struct scsi_cmnd
*srb
, struct rtsx_chip
*chip
)
4017 struct sd_info
*sd_card
= &(chip
->sd_card
);
4018 unsigned int lun
= SCSI_LUN(srb
);
4019 int retval
, rsp_len
, i
;
4020 int cmd13_checkbit
= 0, read_err
= 0;
4021 u8 cmd_idx
, rsp_type
, bus_width
;
4022 u8 send_cmd12
= 0, standby
= 0, acmd
= 0;
4025 if (!sd_card
->sd_pass_thru_en
) {
4026 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD
);
4027 TRACE_RET(chip
, TRANSPORT_FAILED
);
4030 if (sd_card
->pre_cmd_err
) {
4031 sd_card
->pre_cmd_err
= 0;
4032 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_CHANGE
);
4033 TRACE_RET(chip
, TRANSPORT_FAILED
);
4036 retval
= sd_switch_clock(chip
);
4037 if (retval
!= STATUS_SUCCESS
) {
4038 TRACE_RET(chip
, TRANSPORT_FAILED
);
4041 cmd_idx
= srb
->cmnd
[2] & 0x3F;
4042 if (srb
->cmnd
[1] & 0x04) {
4045 if (srb
->cmnd
[1] & 0x02) {
4048 if (srb
->cmnd
[1] & 0x01) {
4052 data_len
= ((u32
)srb
->cmnd
[7] << 16) | ((u32
)srb
->cmnd
[8] << 8) | srb
->cmnd
[9];
4054 retval
= get_rsp_type(srb
, &rsp_type
, &rsp_len
);
4055 if (retval
!= STATUS_SUCCESS
) {
4056 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD
);
4057 TRACE_RET(chip
, TRANSPORT_FAILED
);
4059 sd_card
->last_rsp_type
= rsp_type
;
4061 retval
= sd_switch_clock(chip
);
4062 if (retval
!= STATUS_SUCCESS
) {
4063 TRACE_RET(chip
, TRANSPORT_FAILED
);
4066 #ifdef SUPPORT_SD_LOCK
4067 if ((sd_card
->sd_lock_status
& SD_LOCK_1BIT_MODE
) == 0) {
4068 if (CHK_MMC_8BIT(sd_card
)) {
4069 bus_width
= SD_BUS_WIDTH_8
;
4070 } else if (CHK_SD(sd_card
) || CHK_MMC_4BIT(sd_card
)) {
4071 bus_width
= SD_BUS_WIDTH_4
;
4073 bus_width
= SD_BUS_WIDTH_1
;
4076 bus_width
= SD_BUS_WIDTH_4
;
4078 RTSX_DEBUGP("bus_width = %d\n", bus_width
);
4080 bus_width
= SD_BUS_WIDTH_4
;
4083 if (data_len
< 512) {
4084 retval
= ext_sd_send_cmd_get_rsp(chip
, SET_BLOCKLEN
, data_len
,
4085 SD_RSP_TYPE_R1
, NULL
, 0, 0);
4086 if (retval
!= STATUS_SUCCESS
) {
4087 TRACE_GOTO(chip
, SD_Execute_Read_Cmd_Failed
);
4092 retval
= sd_select_card(chip
, 0);
4093 if (retval
!= STATUS_SUCCESS
) {
4094 TRACE_GOTO(chip
, SD_Execute_Read_Cmd_Failed
);
4099 retval
= ext_sd_send_cmd_get_rsp(chip
, APP_CMD
, sd_card
->sd_addr
,
4100 SD_RSP_TYPE_R1
, NULL
, 0, 0);
4101 if (retval
!= STATUS_SUCCESS
) {
4102 TRACE_GOTO(chip
, SD_Execute_Read_Cmd_Failed
);
4106 if (data_len
<= 512) {
4109 u16 byte_cnt
, blk_cnt
;
4112 byte_cnt
= ((u16
)(srb
->cmnd
[8] & 0x03) << 8) | srb
->cmnd
[9];
4115 cmd
[0] = 0x40 | cmd_idx
;
4116 cmd
[1] = srb
->cmnd
[3];
4117 cmd
[2] = srb
->cmnd
[4];
4118 cmd
[3] = srb
->cmnd
[5];
4119 cmd
[4] = srb
->cmnd
[6];
4121 buf
= (u8
*)kmalloc(data_len
, GFP_KERNEL
);
4123 TRACE_RET(chip
, TRANSPORT_ERROR
);
4126 retval
= sd_read_data(chip
, SD_TM_NORMAL_READ
, cmd
, 5, byte_cnt
,
4127 blk_cnt
, bus_width
, buf
, data_len
, 2000);
4128 if (retval
!= STATUS_SUCCESS
) {
4131 rtsx_clear_sd_error(chip
);
4132 TRACE_GOTO(chip
, SD_Execute_Read_Cmd_Failed
);
4135 min_len
= min(data_len
, scsi_bufflen(srb
));
4136 rtsx_stor_set_xfer_buf(buf
, min_len
, srb
);
4139 } else if (!(data_len
& 0x1FF)) {
4140 rtsx_init_cmd(chip
);
4142 trans_dma_enable(DMA_FROM_DEVICE
, chip
, data_len
, DMA_512
);
4144 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_H
, 0xFF, 0x02);
4145 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_L
, 0xFF, 0x00);
4146 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_H
,
4147 0xFF, (srb
->cmnd
[7] & 0xFE) >> 1);
4148 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_L
,
4149 0xFF, (u8
)((data_len
& 0x0001FE00) >> 9));
4151 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD0
, 0xFF, 0x40 | cmd_idx
);
4152 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD1
, 0xFF, srb
->cmnd
[3]);
4153 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD2
, 0xFF, srb
->cmnd
[4]);
4154 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD3
, 0xFF, srb
->cmnd
[5]);
4155 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CMD4
, 0xFF, srb
->cmnd
[6]);
4157 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG1
, 0x03, bus_width
);
4158 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_CFG2
, 0xFF, rsp_type
);
4160 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_TRANSFER
,
4161 0xFF, SD_TM_AUTO_READ_2
| SD_TRANSFER_START
);
4162 rtsx_add_cmd(chip
, CHECK_REG_CMD
, REG_SD_TRANSFER
, SD_TRANSFER_END
, SD_TRANSFER_END
);
4164 rtsx_send_cmd_no_wait(chip
);
4166 retval
= rtsx_transfer_data(chip
, SD_CARD
, scsi_sglist(srb
), scsi_bufflen(srb
),
4167 scsi_sg_count(srb
), DMA_FROM_DEVICE
, 10000);
4170 rtsx_clear_sd_error(chip
);
4171 TRACE_GOTO(chip
, SD_Execute_Read_Cmd_Failed
);
4175 TRACE_GOTO(chip
, SD_Execute_Read_Cmd_Failed
);
4178 retval
= ext_sd_get_rsp(chip
, rsp_len
, sd_card
->rsp
, rsp_type
);
4179 if (retval
!= STATUS_SUCCESS
) {
4180 TRACE_GOTO(chip
, SD_Execute_Read_Cmd_Failed
);
4184 retval
= sd_select_card(chip
, 1);
4185 if (retval
!= STATUS_SUCCESS
) {
4186 TRACE_GOTO(chip
, SD_Execute_Read_Cmd_Failed
);
4191 retval
= ext_sd_send_cmd_get_rsp(chip
, STOP_TRANSMISSION
,
4192 0, SD_RSP_TYPE_R1b
, NULL
, 0, 0);
4193 if (retval
!= STATUS_SUCCESS
) {
4194 TRACE_GOTO(chip
, SD_Execute_Read_Cmd_Failed
);
4198 if (data_len
< 512) {
4199 retval
= ext_sd_send_cmd_get_rsp(chip
, SET_BLOCKLEN
, 0x200,
4200 SD_RSP_TYPE_R1
, NULL
, 0, 0);
4201 if (retval
!= STATUS_SUCCESS
) {
4202 TRACE_GOTO(chip
, SD_Execute_Read_Cmd_Failed
);
4205 retval
= rtsx_write_register(chip
, SD_BYTE_CNT_H
, 0xFF, 0x02);
4206 if (retval
!= STATUS_SUCCESS
) {
4207 TRACE_GOTO(chip
, SD_Execute_Read_Cmd_Failed
);
4209 retval
= rtsx_write_register(chip
, SD_BYTE_CNT_L
, 0xFF, 0x00);
4210 if (retval
!= STATUS_SUCCESS
) {
4211 TRACE_GOTO(chip
, SD_Execute_Read_Cmd_Failed
);
4215 if ((srb
->cmnd
[1] & 0x02) || (srb
->cmnd
[1] & 0x04)) {
4219 for (i
= 0; i
< 3; i
++) {
4220 retval
= ext_sd_send_cmd_get_rsp(chip
, SEND_STATUS
, sd_card
->sd_addr
,
4221 SD_RSP_TYPE_R1
, NULL
, 0, cmd13_checkbit
);
4222 if (retval
== STATUS_SUCCESS
) {
4226 if (retval
!= STATUS_SUCCESS
) {
4227 TRACE_GOTO(chip
, SD_Execute_Read_Cmd_Failed
);
4230 scsi_set_resid(srb
, 0);
4231 return TRANSPORT_GOOD
;
4233 SD_Execute_Read_Cmd_Failed
:
4234 sd_card
->pre_cmd_err
= 1;
4235 set_sense_type(chip
, lun
, SENSE_TYPE_NO_SENSE
);
4237 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR
);
4239 release_sd_card(chip
);
4240 do_reset_sd_card(chip
);
4241 if (!(chip
->card_ready
& SD_CARD
)) {
4242 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_NOT_PRESENT
);
4245 TRACE_RET(chip
, TRANSPORT_FAILED
);
4248 int sd_execute_write_data(struct scsi_cmnd
*srb
, struct rtsx_chip
*chip
)
4250 struct sd_info
*sd_card
= &(chip
->sd_card
);
4251 unsigned int lun
= SCSI_LUN(srb
);
4252 int retval
, rsp_len
, i
;
4253 int cmd13_checkbit
= 0, write_err
= 0;
4254 u8 cmd_idx
, rsp_type
;
4255 u8 send_cmd12
= 0, standby
= 0, acmd
= 0;
4257 #ifdef SUPPORT_SD_LOCK
4258 int lock_cmd_fail
= 0;
4259 u8 sd_lock_state
= 0;
4260 u8 lock_cmd_type
= 0;
4263 if (!sd_card
->sd_pass_thru_en
) {
4264 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD
);
4265 TRACE_RET(chip
, TRANSPORT_FAILED
);
4268 if (sd_card
->pre_cmd_err
) {
4269 sd_card
->pre_cmd_err
= 0;
4270 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_CHANGE
);
4271 TRACE_RET(chip
, TRANSPORT_FAILED
);
4274 retval
= sd_switch_clock(chip
);
4275 if (retval
!= STATUS_SUCCESS
) {
4276 TRACE_RET(chip
, TRANSPORT_FAILED
);
4279 cmd_idx
= srb
->cmnd
[2] & 0x3F;
4280 if (srb
->cmnd
[1] & 0x04) {
4283 if (srb
->cmnd
[1] & 0x02) {
4286 if (srb
->cmnd
[1] & 0x01) {
4290 data_len
= ((u32
)srb
->cmnd
[7] << 16) | ((u32
)srb
->cmnd
[8] << 8) | srb
->cmnd
[9];
4291 arg
= ((u32
)srb
->cmnd
[3] << 24) | ((u32
)srb
->cmnd
[4] << 16) |
4292 ((u32
)srb
->cmnd
[5] << 8) | srb
->cmnd
[6];
4294 #ifdef SUPPORT_SD_LOCK
4295 if (cmd_idx
== LOCK_UNLOCK
) {
4296 sd_lock_state
= sd_card
->sd_lock_status
;
4297 sd_lock_state
&= SD_LOCKED
;
4301 retval
= get_rsp_type(srb
, &rsp_type
, &rsp_len
);
4302 if (retval
!= STATUS_SUCCESS
) {
4303 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD
);
4304 TRACE_RET(chip
, TRANSPORT_FAILED
);
4306 sd_card
->last_rsp_type
= rsp_type
;
4308 retval
= sd_switch_clock(chip
);
4309 if (retval
!= STATUS_SUCCESS
) {
4310 TRACE_RET(chip
, TRANSPORT_FAILED
);
4313 #ifdef SUPPORT_SD_LOCK
4314 if ((sd_card
->sd_lock_status
& SD_LOCK_1BIT_MODE
) == 0) {
4315 if (CHK_MMC_8BIT(sd_card
)) {
4316 retval
= rtsx_write_register(chip
, REG_SD_CFG1
, 0x03, SD_BUS_WIDTH_8
);
4317 if (retval
!= STATUS_SUCCESS
) {
4318 TRACE_RET(chip
, TRANSPORT_FAILED
);
4320 } else if (CHK_SD(sd_card
) || CHK_MMC_4BIT(sd_card
)) {
4321 retval
= rtsx_write_register(chip
, REG_SD_CFG1
, 0x03, SD_BUS_WIDTH_4
);
4322 if (retval
!= STATUS_SUCCESS
) {
4323 TRACE_RET(chip
, TRANSPORT_FAILED
);
4328 retval
= rtsx_write_register(chip
, REG_SD_CFG1
, 0x03, SD_BUS_WIDTH_4
);
4329 if (retval
!= STATUS_SUCCESS
) {
4330 TRACE_RET(chip
, TRANSPORT_FAILED
);
4334 if (data_len
< 512) {
4335 retval
= ext_sd_send_cmd_get_rsp(chip
, SET_BLOCKLEN
, data_len
,
4336 SD_RSP_TYPE_R1
, NULL
, 0, 0);
4337 if (retval
!= STATUS_SUCCESS
) {
4338 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4343 retval
= sd_select_card(chip
, 0);
4344 if (retval
!= STATUS_SUCCESS
) {
4345 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4350 retval
= ext_sd_send_cmd_get_rsp(chip
, APP_CMD
, sd_card
->sd_addr
,
4351 SD_RSP_TYPE_R1
, NULL
, 0, 0);
4352 if (retval
!= STATUS_SUCCESS
) {
4353 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4357 retval
= ext_sd_send_cmd_get_rsp(chip
, cmd_idx
, arg
, rsp_type
,
4358 sd_card
->rsp
, rsp_len
, 0);
4359 if (retval
!= STATUS_SUCCESS
) {
4360 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4363 if (data_len
<= 512) {
4367 buf
= (u8
*)kmalloc(data_len
, GFP_KERNEL
);
4369 TRACE_RET(chip
, TRANSPORT_ERROR
);
4372 rtsx_stor_get_xfer_buf(buf
, data_len
, srb
);
4374 #ifdef SUPPORT_SD_LOCK
4375 if (cmd_idx
== LOCK_UNLOCK
) {
4376 lock_cmd_type
= buf
[0] & 0x0F;
4380 if (data_len
> 256) {
4381 rtsx_init_cmd(chip
);
4382 for (i
= 0; i
< 256; i
++) {
4383 rtsx_add_cmd(chip
, WRITE_REG_CMD
,
4384 PPBUF_BASE2
+ i
, 0xFF, buf
[i
]);
4386 retval
= rtsx_send_cmd(chip
, 0, 250);
4387 if (retval
!= STATUS_SUCCESS
) {
4389 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4392 rtsx_init_cmd(chip
);
4393 for (i
= 256; i
< data_len
; i
++) {
4394 rtsx_add_cmd(chip
, WRITE_REG_CMD
,
4395 PPBUF_BASE2
+ i
, 0xFF, buf
[i
]);
4397 retval
= rtsx_send_cmd(chip
, 0, 250);
4398 if (retval
!= STATUS_SUCCESS
) {
4400 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4403 rtsx_init_cmd(chip
);
4404 for (i
= 0; i
< data_len
; i
++) {
4405 rtsx_add_cmd(chip
, WRITE_REG_CMD
,
4406 PPBUF_BASE2
+ i
, 0xFF, buf
[i
]);
4408 retval
= rtsx_send_cmd(chip
, 0, 250);
4409 if (retval
!= STATUS_SUCCESS
) {
4411 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4417 rtsx_init_cmd(chip
);
4419 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_H
, 0xFF, srb
->cmnd
[8] & 0x03);
4420 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_L
, 0xFF, srb
->cmnd
[9]);
4421 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_H
, 0xFF, 0x00);
4422 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_L
, 0xFF, 0x01);
4423 rtsx_add_cmd(chip
, WRITE_REG_CMD
, CARD_DATA_SOURCE
, 0x01, PINGPONG_BUFFER
);
4425 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_TRANSFER
, 0xFF,
4426 SD_TM_AUTO_WRITE_3
| SD_TRANSFER_START
);
4427 rtsx_add_cmd(chip
, CHECK_REG_CMD
, REG_SD_TRANSFER
, SD_TRANSFER_END
, SD_TRANSFER_END
);
4429 retval
= rtsx_send_cmd(chip
, SD_CARD
, 250);
4430 } else if (!(data_len
& 0x1FF)) {
4431 rtsx_init_cmd(chip
);
4433 trans_dma_enable(DMA_TO_DEVICE
, chip
, data_len
, DMA_512
);
4435 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_H
, 0xFF, 0x02);
4436 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BYTE_CNT_L
, 0xFF, 0x00);
4437 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_H
,
4438 0xFF, (srb
->cmnd
[7] & 0xFE) >> 1);
4439 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_BLOCK_CNT_L
,
4440 0xFF, (u8
)((data_len
& 0x0001FE00) >> 9));
4442 rtsx_add_cmd(chip
, WRITE_REG_CMD
, REG_SD_TRANSFER
, 0xFF, SD_TM_AUTO_WRITE_3
| SD_TRANSFER_START
);
4443 rtsx_add_cmd(chip
, CHECK_REG_CMD
, REG_SD_TRANSFER
, SD_TRANSFER_END
, SD_TRANSFER_END
);
4445 rtsx_send_cmd_no_wait(chip
);
4447 retval
= rtsx_transfer_data(chip
, SD_CARD
, scsi_sglist(srb
), scsi_bufflen(srb
),
4448 scsi_sg_count(srb
), DMA_TO_DEVICE
, 10000);
4451 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4456 rtsx_clear_sd_error(chip
);
4457 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4460 #ifdef SUPPORT_SD_LOCK
4461 if (cmd_idx
== LOCK_UNLOCK
) {
4462 if (lock_cmd_type
== SD_ERASE
) {
4463 sd_card
->sd_erase_status
= SD_UNDER_ERASING
;
4464 scsi_set_resid(srb
, 0);
4465 return TRANSPORT_GOOD
;
4468 rtsx_init_cmd(chip
);
4469 if (CHECK_PID(chip
, 0x5209)) {
4470 rtsx_add_cmd(chip
, CHECK_REG_CMD
, SD_BUS_STAT
, SD_DAT0_STATUS
, SD_DAT0_STATUS
);
4472 rtsx_add_cmd(chip
, CHECK_REG_CMD
, 0xFD30, 0x02, 0x02);
4474 rtsx_send_cmd(chip
, SD_CARD
, 250);
4476 retval
= sd_update_lock_status(chip
);
4477 if (retval
!= STATUS_SUCCESS
) {
4478 RTSX_DEBUGP("Lock command fail!\n");
4482 #endif /* SUPPORT_SD_LOCK */
4485 retval
= sd_select_card(chip
, 1);
4486 if (retval
!= STATUS_SUCCESS
) {
4487 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4492 retval
= ext_sd_send_cmd_get_rsp(chip
, STOP_TRANSMISSION
,
4493 0, SD_RSP_TYPE_R1b
, NULL
, 0, 0);
4494 if (retval
!= STATUS_SUCCESS
) {
4495 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4499 if (data_len
< 512) {
4500 retval
= ext_sd_send_cmd_get_rsp(chip
, SET_BLOCKLEN
, 0x200,
4501 SD_RSP_TYPE_R1
, NULL
, 0, 0);
4502 if (retval
!= STATUS_SUCCESS
) {
4503 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4506 retval
= rtsx_write_register(chip
, SD_BYTE_CNT_H
, 0xFF, 0x02);
4507 if (retval
!= STATUS_SUCCESS
) {
4508 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4510 rtsx_write_register(chip
, SD_BYTE_CNT_L
, 0xFF, 0x00);
4511 if (retval
!= STATUS_SUCCESS
) {
4512 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4516 if ((srb
->cmnd
[1] & 0x02) || (srb
->cmnd
[1] & 0x04)) {
4520 for (i
= 0; i
< 3; i
++) {
4521 retval
= ext_sd_send_cmd_get_rsp(chip
, SEND_STATUS
, sd_card
->sd_addr
,
4522 SD_RSP_TYPE_R1
, NULL
, 0, cmd13_checkbit
);
4523 if (retval
== STATUS_SUCCESS
) {
4527 if (retval
!= STATUS_SUCCESS
) {
4528 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4531 #ifdef SUPPORT_SD_LOCK
4532 if (cmd_idx
== LOCK_UNLOCK
) {
4533 if (!lock_cmd_fail
) {
4534 RTSX_DEBUGP("lock_cmd_type = 0x%x\n", lock_cmd_type
);
4535 if (lock_cmd_type
& SD_CLR_PWD
) {
4536 sd_card
->sd_lock_status
&= ~SD_PWD_EXIST
;
4538 if (lock_cmd_type
& SD_SET_PWD
) {
4539 sd_card
->sd_lock_status
|= SD_PWD_EXIST
;
4543 RTSX_DEBUGP("sd_lock_state = 0x%x, sd_card->sd_lock_status = 0x%x\n",
4544 sd_lock_state
, sd_card
->sd_lock_status
);
4545 if (sd_lock_state
^ (sd_card
->sd_lock_status
& SD_LOCKED
)) {
4546 sd_card
->sd_lock_notify
= 1;
4547 if (sd_lock_state
) {
4548 if (sd_card
->sd_lock_status
& SD_LOCK_1BIT_MODE
) {
4549 sd_card
->sd_lock_status
|= (SD_UNLOCK_POW_ON
| SD_SDR_RST
);
4550 if (CHK_SD(sd_card
)) {
4551 retval
= reset_sd(chip
);
4552 if (retval
!= STATUS_SUCCESS
) {
4553 sd_card
->sd_lock_status
&= ~(SD_UNLOCK_POW_ON
| SD_SDR_RST
);
4554 TRACE_GOTO(chip
, SD_Execute_Write_Cmd_Failed
);
4558 sd_card
->sd_lock_status
&= ~(SD_UNLOCK_POW_ON
| SD_SDR_RST
);
4564 if (lock_cmd_fail
) {
4565 scsi_set_resid(srb
, 0);
4566 set_sense_type(chip
, lun
, SENSE_TYPE_NO_SENSE
);
4567 TRACE_RET(chip
, TRANSPORT_FAILED
);
4569 #endif /* SUPPORT_SD_LOCK */
4571 scsi_set_resid(srb
, 0);
4572 return TRANSPORT_GOOD
;
4574 SD_Execute_Write_Cmd_Failed
:
4575 sd_card
->pre_cmd_err
= 1;
4576 set_sense_type(chip
, lun
, SENSE_TYPE_NO_SENSE
);
4578 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_WRITE_ERR
);
4580 release_sd_card(chip
);
4581 do_reset_sd_card(chip
);
4582 if (!(chip
->card_ready
& SD_CARD
)) {
4583 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_NOT_PRESENT
);
4586 TRACE_RET(chip
, TRANSPORT_FAILED
);
4589 int sd_get_cmd_rsp(struct scsi_cmnd
*srb
, struct rtsx_chip
*chip
)
4591 struct sd_info
*sd_card
= &(chip
->sd_card
);
4592 unsigned int lun
= SCSI_LUN(srb
);
4596 if (!sd_card
->sd_pass_thru_en
) {
4597 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD
);
4598 TRACE_RET(chip
, TRANSPORT_FAILED
);
4601 if (sd_card
->pre_cmd_err
) {
4602 sd_card
->pre_cmd_err
= 0;
4603 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_CHANGE
);
4604 TRACE_RET(chip
, TRANSPORT_FAILED
);
4607 data_len
= ((u16
)srb
->cmnd
[7] << 8) | srb
->cmnd
[8];
4609 if (sd_card
->last_rsp_type
== SD_RSP_TYPE_R0
) {
4610 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD
);
4611 TRACE_RET(chip
, TRANSPORT_FAILED
);
4612 } else if (sd_card
->last_rsp_type
== SD_RSP_TYPE_R2
) {
4613 count
= (data_len
< 17) ? data_len
: 17;
4615 count
= (data_len
< 6) ? data_len
: 6;
4617 rtsx_stor_set_xfer_buf(sd_card
->rsp
, count
, srb
);
4619 RTSX_DEBUGP("Response length: %d\n", data_len
);
4620 RTSX_DEBUGP("Response: 0x%x 0x%x 0x%x 0x%x\n",
4621 sd_card
->rsp
[0], sd_card
->rsp
[1], sd_card
->rsp
[2], sd_card
->rsp
[3]);
4623 scsi_set_resid(srb
, 0);
4624 return TRANSPORT_GOOD
;
4627 int sd_hw_rst(struct scsi_cmnd
*srb
, struct rtsx_chip
*chip
)
4629 struct sd_info
*sd_card
= &(chip
->sd_card
);
4630 unsigned int lun
= SCSI_LUN(srb
);
4633 if (!sd_card
->sd_pass_thru_en
) {
4634 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD
);
4635 TRACE_RET(chip
, TRANSPORT_FAILED
);
4638 if (sd_card
->pre_cmd_err
) {
4639 sd_card
->pre_cmd_err
= 0;
4640 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_CHANGE
);
4641 TRACE_RET(chip
, TRANSPORT_FAILED
);
4644 if ((0x53 != srb
->cmnd
[2]) || (0x44 != srb
->cmnd
[3]) || (0x20 != srb
->cmnd
[4]) ||
4645 (0x43 != srb
->cmnd
[5]) || (0x61 != srb
->cmnd
[6]) ||
4646 (0x72 != srb
->cmnd
[7]) || (0x64 != srb
->cmnd
[8])) {
4647 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD
);
4648 TRACE_RET(chip
, TRANSPORT_FAILED
);
4651 switch (srb
->cmnd
[1] & 0x0F) {
4653 #ifdef SUPPORT_SD_LOCK
4654 if (0x64 == srb
->cmnd
[9]) {
4655 sd_card
->sd_lock_status
|= SD_SDR_RST
;
4658 retval
= reset_sd_card(chip
);
4659 if (retval
!= STATUS_SUCCESS
) {
4660 #ifdef SUPPORT_SD_LOCK
4661 sd_card
->sd_lock_status
&= ~SD_SDR_RST
;
4663 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_NOT_PRESENT
);
4664 sd_card
->pre_cmd_err
= 1;
4665 TRACE_RET(chip
, TRANSPORT_FAILED
);
4667 #ifdef SUPPORT_SD_LOCK
4668 sd_card
->sd_lock_status
&= ~SD_SDR_RST
;
4673 retval
= soft_reset_sd_card(chip
);
4674 if (retval
!= STATUS_SUCCESS
) {
4675 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_NOT_PRESENT
);
4676 sd_card
->pre_cmd_err
= 1;
4677 TRACE_RET(chip
, TRANSPORT_FAILED
);
4682 set_sense_type(chip
, lun
, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD
);
4683 TRACE_RET(chip
, TRANSPORT_FAILED
);
4686 scsi_set_resid(srb
, 0);
4687 return TRANSPORT_GOOD
;
4691 void sd_cleanup_work(struct rtsx_chip
*chip
)
4693 struct sd_info
*sd_card
= &(chip
->sd_card
);
4695 if (sd_card
->seq_mode
) {
4696 RTSX_DEBUGP("SD: stop transmission\n");
4697 sd_stop_seq_mode(chip
);
4698 sd_card
->cleanup_counter
= 0;
4702 int sd_power_off_card3v3(struct rtsx_chip
*chip
)
4706 retval
= disable_card_clock(chip
, SD_CARD
);
4707 if (retval
!= STATUS_SUCCESS
) {
4708 TRACE_RET(chip
, STATUS_FAIL
);
4711 RTSX_WRITE_REG(chip
, CARD_OE
, SD_OUTPUT_EN
, 0);
4713 if (!chip
->ft2_fast_mode
) {
4714 retval
= card_power_off(chip
, SD_CARD
);
4715 if (retval
!= STATUS_SUCCESS
) {
4716 TRACE_RET(chip
, STATUS_FAIL
);
4722 if (chip
->asic_code
) {
4723 retval
= sd_pull_ctl_disable(chip
);
4724 if (retval
!= STATUS_SUCCESS
) {
4725 TRACE_RET(chip
, STATUS_FAIL
);
4728 RTSX_WRITE_REG(chip
, FPGA_PULL_CTL
,
4729 FPGA_SD_PULL_CTL_BIT
| 0x20, FPGA_SD_PULL_CTL_BIT
);
4732 return STATUS_SUCCESS
;
4735 int release_sd_card(struct rtsx_chip
*chip
)
4737 struct sd_info
*sd_card
= &(chip
->sd_card
);
4740 RTSX_DEBUGP("release_sd_card\n");
4742 chip
->card_ready
&= ~SD_CARD
;
4743 chip
->card_fail
&= ~SD_CARD
;
4744 chip
->card_wp
&= ~SD_CARD
;
4749 #ifdef SUPPORT_SD_LOCK
4750 sd_card
->sd_lock_status
= 0;
4751 sd_card
->sd_erase_status
= 0;
4754 memset(sd_card
->raw_csd
, 0, 16);
4755 memset(sd_card
->raw_scr
, 0, 8);
4757 retval
= sd_power_off_card3v3(chip
);
4758 if (retval
!= STATUS_SUCCESS
) {
4759 TRACE_RET(chip
, STATUS_FAIL
);
4762 if (CHECK_PID(chip
, 0x5209)) {
4763 retval
= sd_change_bank_voltage(chip
, SD_IO_3V3
);
4764 if (retval
!= STATUS_SUCCESS
) {
4765 TRACE_RET(chip
, STATUS_FAIL
);
4768 if (CHK_SD30_SPEED(sd_card
)) {
4769 RTSX_WRITE_REG(chip
, SD30_DRIVE_SEL
, 0x07, chip
->sd30_drive_sel_3v3
);
4772 RTSX_WRITE_REG(chip
, OCPPARA2
, SD_OCP_THD_MASK
, chip
->sd_400mA_ocp_thd
);
4775 return STATUS_SUCCESS
;