1 /* Driver for Realtek RTS51xx USB card reader
4 * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2, or (at your option) any
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, see <http://www.gnu.org/licenses/>.
20 * wwang (wei_wang@realsil.com.cn)
21 * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
23 * Edwin Rong (edwin_rong@realsil.com.cn)
24 * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
30 #include "rts51x_chip.h"
32 #define SD_MAX_RETRY_COUNT 3
34 #define SUPPORT_VOLTAGE 0x003C0000
36 #define SD_RESET_FAIL 0x01
37 #define MMC_RESET_FAIL 0x02
40 #define SD_NO_ERROR 0x0
41 #define SD_CRC_ERR 0x80
42 #define SD_TO_ERR 0x40
43 #define SD_NO_CARD 0x20
45 #define SD_STS_ERR 0x08
46 #define SD_RSP_TIMEOUT 0x04
48 /* MMC/SD Command Index */
49 /* Basic command (class 0) */
50 #define GO_IDLE_STATE 0
51 #define SEND_OP_COND 1 /* reserved for SD */
52 #define ALL_SEND_CID 2
53 #define SET_RELATIVE_ADDR 3
54 #define SEND_RELATIVE_ADDR 3
56 #define IO_SEND_OP_COND 5
59 #define DESELECT_CARD 7
60 /* CMD8 is "SEND_EXT_CSD" for MMC4.x Spec
61 * while is "SEND_IF_COND" for SD 2.0 */
62 #define SEND_EXT_CSD 8
63 #define SEND_IF_COND 8
67 #define VOLTAGE_SWITCH 11
68 #define READ_DAT_UTIL_STOP 11 /* reserved for SD */
69 #define STOP_TRANSMISSION 12
70 #define SEND_STATUS 13
71 #define GO_INACTIVE_STATE 15
73 /* Block oriented read commands (class 2) */
74 #define SET_BLOCKLEN 16
75 #define READ_SINGLE_BLOCK 17
76 #define READ_MULTIPLE_BLOCK 18
77 #define SEND_TUNING_PATTERN 19
84 /* Block oriented write commands (class 4) */
85 #define WRITE_BLOCK 24
86 #define WRITE_MULTIPLE_BLOCK 25
87 #define PROGRAM_CSD 27
90 #define ERASE_WR_BLK_START 32
91 #define ERASE_WR_BLK_END 33
94 /* Block Oriented Write Protection Commands */
95 #define LOCK_UNLOCK 42
97 #define IO_RW_DIRECT 52
99 /* Application specific commands (class 8) */
103 /* SD Application command Index */
104 #define SET_BUS_WIDTH 6
106 #define SEND_NUM_WR_BLOCKS 22
107 #define SET_WR_BLK_ERASE_COUNT 23
108 #define SD_APP_OP_COND 41
109 #define SET_CLR_CARD_DETECT 42
112 /* SD TIMEOUT function return error */
113 #define SD_READ_COMPLETE 0x00
114 #define SD_READ_TO 0x01
115 #define SD_READ_ADVENCE 0x02
117 /* SD v1.1 CMD6 SWITCH function */
118 #define SD_CHECK_MODE 0x00
119 #define SD_SWITCH_MODE 0x80
120 #define SD_FUNC_GROUP_1 0x01
121 #define SD_FUNC_GROUP_2 0x02
122 #define SD_FUNC_GROUP_3 0x03
123 #define SD_FUNC_GROUP_4 0x04
124 #define SD_CHECK_SPEC_V1_1 0xFF
126 /* SD Command Argument */
127 #define NO_ARGUMENT 0x00
128 #define CHECK_PATTERN 0x000000AA
129 #define VOLTAGE_SUPPLY_RANGE 0x00000100 /* 2.7~3.6V */
130 #define SUPPORT_HIGH_AND_EXTENDED_CAPACITY 0x40000000
131 #define SUPPORT_MAX_POWER_PERMANCE 0x10000000
132 #define SUPPORT_1V8 0x01000000
134 /* Switch Command Error Code */
135 #define SWTICH_NO_ERR 0x00
136 #define CARD_NOT_EXIST 0x01
137 #define SPEC_NOT_SUPPORT 0x02
138 #define CHECK_MODE_ERR 0x03
139 #define CHECK_NOT_READY 0x04
140 #define SWITCH_CRC_ERR 0x05
141 #define SWITCH_MODE_ERR 0x06
142 #define SWITCH_PASS 0x07
144 #ifdef SUPPORT_SD_LOCK
145 /* CMD42 Parameter */
146 #define SD_ERASE 0x08
148 #define SD_UNLOCK 0x00
149 #define SD_CLR_PWD 0x02
150 #define SD_SET_PWD 0x01
152 #define SD_PWD_LEN 0x10
154 /* SD lock unlock Status */
155 #define SD_LOCKED 0x80 /* Global lock status */
156 #define SD_LOCK_1BIT_MODE 0x40 /**/
157 #define SD_PWD_EXIST 0x20
158 #define SD_UNLOCK_POW_ON 0x01 /**/
159 #define SD_SDR_RST 0x02 /* Reset SD30 card with current DDR mode to SDR mode. */
160 /* g_bySDEraseStatus */
161 #define SD_NOT_ERASE 0x00
162 #define SD_UNDER_ERASING 0x01
163 #define SD_COMPLETE_ERASE 0x02
164 /* SD_RW FAIL status */
165 #define SD_RW_FORBIDDEN 0x0F /* read/write is forbidden (SD card) */
167 /* Function Group Definition */
168 /* Function Group 1 */
169 #define HS_SUPPORT 0x01
170 #define SDR50_SUPPORT 0x02
171 #define SDR104_SUPPORT 0x03
172 #define DDR50_SUPPORT 0x04
173 #define HS_SUPPORT_MASK 0x02
174 #define SDR50_SUPPORT_MASK 0x04
175 #define SDR104_SUPPORT_MASK 0x08
176 #define DDR50_SUPPORT_MASK 0x10
177 #define HS_QUERY_SWITCH_OK 0x01
178 #define SDR50_QUERY_SWITCH_OK 0x02
179 #define SDR104_QUERY_SWITCH_OK 0x03
180 #define DDR50_QUERY_SWITCH_OK 0x04
181 #define HS_SWITCH_BUSY 0x02
182 #define SDR50_SWITCH_BUSY 0x04
183 #define SDR104_SWITCH_BUSY 0x08
184 #define DDR50_SWITCH_BUSY 0x10
185 #define FUNCTION_GROUP1_SUPPORT_OFFSET 0x0D
186 #define FUNCTION_GROUP1_QUERY_SWITCH_OFFSET 0x10
187 #define FUNCTION_GROUP1_CHECK_BUSY_OFFSET 0x1D
188 /* Function Group 3 */
189 #define DRIVING_TYPE_A 0x01
190 #define DRIVING_TYPE_B 0x00
191 #define DRIVING_TYPE_C 0x02
192 #define DRIVING_TYPE_D 0x03
193 #define DRIVING_TYPE_A_MASK 0x02
194 #define DRIVING_TYPE_B_MASK 0x01
195 #define DRIVING_TYPE_C_MASK 0x04
196 #define DRIVING_TYPE_D_MASK 0x08
197 #define TYPE_A_QUERY_SWITCH_OK 0x01
198 #define TYPE_B_QUERY_SWITCH_OK 0x00
199 #define TYPE_C_QUERY_SWITCH_OK 0x02
200 #define TYPE_D_QUERY_SWITCH_OK 0x03
201 #define TYPE_A_SWITCH_BUSY 0x02
202 #define TYPE_B_SWITCH_BUSY 0x01
203 #define TYPE_C_SWITCH_BUSY 0x04
204 #define TYPE_D_SWITCH_BUSY 0x08
205 #define FUNCTION_GROUP3_SUPPORT_OFFSET 0x09
206 #define FUNCTION_GROUP3_QUERY_SWITCH_OFFSET 0x0F
207 #define FUNCTION_GROUP3_CHECK_BUSY_OFFSET 0x19
208 /* Function Group 4 */
209 #define CURRENT_LIMIT_200 0x00
210 #define CURRENT_LIMIT_400 0x01
211 #define CURRENT_LIMIT_600 0x02
212 #define CURRENT_LIMIT_800 0x03
213 #define CURRENT_LIMIT_200_MASK 0x01
214 #define CURRENT_LIMIT_400_MASK 0x02
215 #define CURRENT_LIMIT_600_MASK 0x04
216 #define CURRENT_LIMIT_800_MASK 0x08
217 #define CURRENT_LIMIT_200_QUERY_SWITCH_OK 0x00
218 #define CURRENT_LIMIT_400_QUERY_SWITCH_OK 0x01
219 #define CURRENT_LIMIT_600_QUERY_SWITCH_OK 0x02
220 #define CURRENT_LIMIT_800_QUERY_SWITCH_OK 0x03
221 #define CURRENT_LIMIT_200_SWITCH_BUSY 0x01
222 #define CURRENT_LIMIT_400_SWITCH_BUSY 0x02
223 #define CURRENT_LIMIT_600_SWITCH_BUSY 0x04
224 #define CURRENT_LIMIT_800_SWITCH_BUSY 0x08
225 #define FUNCTION_GROUP4_SUPPORT_OFFSET 0x07
226 #define FUNCTION_GROUP4_QUERY_SWITCH_OFFSET 0x0F
227 #define FUNCTION_GROUP4_CHECK_BUSY_OFFSET 0x17
228 /* Switch Function Status Offset */
229 #define DATA_STRUCTURE_VER_OFFSET 0x11 /* The high offset */
231 /* #define TOTAL_READ_PHASE 0x20 */
232 /* #define TOTAL_WRITE_PHASE 0x20 */
234 /* #define MMC_52MHZ_SPEED 0x0001 */
235 /* #define MMC_26MHZ_SPEED 0x0002 */
236 #define MMC_8BIT_BUS 0x0010
237 #define MMC_4BIT_BUS 0x0020
238 /* #define MMC_SECTOR_MODE 0x0100 */
239 #define MMC_SWITCH_ERR 0x80
240 /* Tuning direction RX or TX */
243 /* For Change_DCM_FreqMode Function */
244 #define CHANGE_TX 0x00
245 #define CHANGE_RX 0x01
246 #define DCM_HIGH_FREQUENCY_MODE 0x00
247 #define DCM_LOW_FREQUENCY_MODE 0x01
248 #define DCM_HIGH_FREQUENCY_MODE_SET 0x0C
249 #define DCM_Low_FREQUENCY_MODE_SET 0x00
250 /* For Change_FPGA_SSCClock Function */
251 #define MULTIPLY_BY_1 0x00
252 #define MULTIPLY_BY_2 0x01
253 #define MULTIPLY_BY_3 0x02
254 #define MULTIPLY_BY_4 0x03
255 #define MULTIPLY_BY_5 0x04
256 #define MULTIPLY_BY_6 0x05
257 #define MULTIPLY_BY_7 0x06
258 #define MULTIPLY_BY_8 0x07
259 #define MULTIPLY_BY_9 0x08
260 #define MULTIPLY_BY_10 0x09
261 #define DIVIDE_BY_2 0x01
262 #define DIVIDE_BY_3 0x02
263 #define DIVIDE_BY_4 0x03
264 #define DIVIDE_BY_5 0x04
265 #define DIVIDE_BY_6 0x05
266 #define DIVIDE_BY_7 0x06
267 #define DIVIDE_BY_8 0x07
268 #define DIVIDE_BY_9 0x08
269 #define DIVIDE_BY_10 0x09
270 #define CHECK_SD_TRANS_FAIL(chip, retval) \
271 (((retval) != STATUS_SUCCESS) || \
272 (chip->rsp_buf[0] & SD_TRANSFER_ERR))
273 /* SD Tuning Data Structure */
274 /* Record continuous timing phase path */
275 struct timing_phase_path
{
282 int sd_select_card(struct rts51x_chip
*chip
, int select
);
283 int reset_sd_card(struct rts51x_chip
*chip
);
284 int sd_switch_clock(struct rts51x_chip
*chip
);
285 void sd_stop_seq_mode(struct rts51x_chip
*chip
);
286 int sd_rw(struct scsi_cmnd
*srb
, struct rts51x_chip
*chip
, u32 start_sector
,
288 void sd_cleanup_work(struct rts51x_chip
*chip
);
289 int sd_power_off_card3v3(struct rts51x_chip
*chip
);
290 int release_sd_card(struct rts51x_chip
*chip
);
292 #ifdef SUPPORT_SD_LOCK
293 int sd_update_lock_status(struct rts51x_chip
*chip
);
297 extern int reset_sd(struct rts51x_chip
*chip
);
298 extern int sd_check_data0_status(struct rts51x_chip
*chip
);
299 extern int sd_read_data(struct rts51x_chip
*chip
, u8 trans_mode
, u8
*cmd
,
300 int cmd_len
, u16 byte_cnt
, u16 blk_cnt
, u8 bus_width
,
301 u8
*buf
, int buf_len
, int timeout
);
304 #endif /* __RTS51X_SD_H */