drivers/staging/rts5139/sd.h

   1 /* Driver for Realtek RTS51xx USB card reader
   2  * Header file
   3  *
   4  * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
   5  *
   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
   9  * later version.
  10  *
  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.
  15  *
  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/>.
  18  *
  19  * Author:
  20  *   wwang (wei_wang@realsil.com.cn)
  21  *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
  22  * Maintainer:
  23  *   Edwin Rong (edwin_rong@realsil.com.cn)
  24  *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
  25  */
  26
  27 #ifndef __RTS51X_SD_H
  28 #define __RTS51X_SD_H
  29
  30 #include "rts51x_chip.h"
  31
  32 #define SD_MAX_RETRY_COUNT      3
  33
  34 #define SUPPORT_VOLTAGE 0x003C0000
  35
  36 #define SD_RESET_FAIL   0x01
  37 #define MMC_RESET_FAIL  0x02
  38
  39 /* Error Code */
  40 #define SD_NO_ERROR             0x0
  41 #define SD_CRC_ERR              0x80
  42 #define SD_TO_ERR               0x40
  43 #define SD_NO_CARD              0x20
  44 #define SD_BUSY                 0x10
  45 #define SD_STS_ERR              0x08
  46 #define SD_RSP_TIMEOUT          0x04
  47
  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
  55 #define SET_DSR                 4
  56 #define IO_SEND_OP_COND         5
  57 #define SWITCH                  6
  58 #define SELECT_CARD             7
  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
  64 /* end  */
  65 #define SEND_CSD                9
  66 #define SEND_CID                10
  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
  72
  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
  78
  79 /* Bus Width Test */
  80 #define BUSTEST_R               14
  81 #define BUSTEST_W               19
  82 /* end */
  83
  84 /* Block oriented write commands (class 4) */
  85 #define WRITE_BLOCK             24
  86 #define WRITE_MULTIPLE_BLOCK    25
  87 #define PROGRAM_CSD             27
  88
  89 /* Erase commands */
  90 #define ERASE_WR_BLK_START      32
  91 #define ERASE_WR_BLK_END        33
  92 #define ERASE_CMD               38
  93
  94 /* Block Oriented Write Protection Commands */
  95 #define LOCK_UNLOCK             42
  96
  97 #define IO_RW_DIRECT            52
  98
  99 /* Application specific commands (class 8) */
 100 #define APP_CMD                 55
 101 #define GEN_CMD                 56
 102
 103 /* SD Application command Index */
 104 #define SET_BUS_WIDTH                   6
 105 #define SD_STATUS                       13
 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
 110 #define SEND_SCR                        51
 111
 112 /* SD TIMEOUT function return error */
 113 #define SD_READ_COMPLETE        0x00
 114 #define SD_READ_TO              0x01
 115 #define SD_READ_ADVENCE         0x02
 116
 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
 125
 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
 133
 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
 143
 144 /* Function Group Definition */
 145 /* Function Group 1 */
 146 #define HS_SUPPORT                      0x01
 147 #define SDR50_SUPPORT                   0x02
 148 #define SDR104_SUPPORT                  0x03
 149 #define DDR50_SUPPORT                   0x04
 150 #define HS_SUPPORT_MASK                 0x02
 151 #define SDR50_SUPPORT_MASK              0x04
 152 #define SDR104_SUPPORT_MASK             0x08
 153 #define DDR50_SUPPORT_MASK              0x10
 154 #define HS_QUERY_SWITCH_OK              0x01
 155 #define SDR50_QUERY_SWITCH_OK           0x02
 156 #define SDR104_QUERY_SWITCH_OK          0x03
 157 #define DDR50_QUERY_SWITCH_OK           0x04
 158 #define HS_SWITCH_BUSY                  0x02
 159 #define SDR50_SWITCH_BUSY               0x04
 160 #define SDR104_SWITCH_BUSY              0x08
 161 #define DDR50_SWITCH_BUSY               0x10
 162 #define FUNCTION_GROUP1_SUPPORT_OFFSET       0x0D
 163 #define FUNCTION_GROUP1_QUERY_SWITCH_OFFSET  0x10
 164 #define FUNCTION_GROUP1_CHECK_BUSY_OFFSET    0x1D
 165 /* Function Group 3 */
 166 #define DRIVING_TYPE_A          0x01
 167 #define DRIVING_TYPE_B              0x00
 168 #define DRIVING_TYPE_C              0x02
 169 #define DRIVING_TYPE_D          0x03
 170 #define DRIVING_TYPE_A_MASK         0x02
 171 #define DRIVING_TYPE_B_MASK         0x01
 172 #define DRIVING_TYPE_C_MASK         0x04
 173 #define DRIVING_TYPE_D_MASK         0x08
 174 #define TYPE_A_QUERY_SWITCH_OK  0x01
 175 #define TYPE_B_QUERY_SWITCH_OK  0x00
 176 #define TYPE_C_QUERY_SWITCH_OK  0x02
 177 #define TYPE_D_QUERY_SWITCH_OK  0x03
 178 #define TYPE_A_SWITCH_BUSY          0x02
 179 #define TYPE_B_SWITCH_BUSY          0x01
 180 #define TYPE_C_SWITCH_BUSY      0x04
 181 #define TYPE_D_SWITCH_BUSY      0x08
 182 #define FUNCTION_GROUP3_SUPPORT_OFFSET       0x09
 183 #define FUNCTION_GROUP3_QUERY_SWITCH_OFFSET  0x0F
 184 #define FUNCTION_GROUP3_CHECK_BUSY_OFFSET    0x19
 185 /* Function Group 4 */
 186 #define CURRENT_LIMIT_200           0x00
 187 #define CURRENT_LIMIT_400           0x01
 188 #define CURRENT_LIMIT_600           0x02
 189 #define CURRENT_LIMIT_800           0x03
 190 #define CURRENT_LIMIT_200_MASK  0x01
 191 #define CURRENT_LIMIT_400_MASK  0x02
 192 #define CURRENT_LIMIT_600_MASK  0x04
 193 #define CURRENT_LIMIT_800_MASK  0x08
 194 #define CURRENT_LIMIT_200_QUERY_SWITCH_OK    0x00
 195 #define CURRENT_LIMIT_400_QUERY_SWITCH_OK    0x01
 196 #define CURRENT_LIMIT_600_QUERY_SWITCH_OK    0x02
 197 #define CURRENT_LIMIT_800_QUERY_SWITCH_OK    0x03
 198 #define CURRENT_LIMIT_200_SWITCH_BUSY        0x01
 199 #define CURRENT_LIMIT_400_SWITCH_BUSY        0x02
 200 #define CURRENT_LIMIT_600_SWITCH_BUSY        0x04
 201 #define CURRENT_LIMIT_800_SWITCH_BUSY        0x08
 202 #define FUNCTION_GROUP4_SUPPORT_OFFSET       0x07
 203 #define FUNCTION_GROUP4_QUERY_SWITCH_OFFSET  0x0F
 204 #define FUNCTION_GROUP4_CHECK_BUSY_OFFSET    0x17
 205 /* Switch Function Status Offset */
 206 #define DATA_STRUCTURE_VER_OFFSET   0x11 /* The high offset */
 207 #define MAX_PHASE               15
 208 /* #define      TOTAL_READ_PHASE    0x20 */
 209 /* #define      TOTAL_WRITE_PHASE    0x20 */
 210 /* MMC v4.0 */
 211 /* #define MMC_52MHZ_SPEED                       0x0001 */
 212 /* #define MMC_26MHZ_SPEED                       0x0002 */
 213 #define MMC_8BIT_BUS                    0x0010
 214 #define MMC_4BIT_BUS                    0x0020
 215 /* #define MMC_SECTOR_MODE                       0x0100 */
 216 #define MMC_SWITCH_ERR                  0x80
 217 /* Tuning direction RX or TX */
 218 #define TUNE_TX    0x00
 219 #define TUNE_RX    0x01
 220 /* For Change_DCM_FreqMode Function */
 221 #define CHANGE_TX  0x00
 222 #define CHANGE_RX  0x01
 223 #define DCM_HIGH_FREQUENCY_MODE  0x00
 224 #define DCM_LOW_FREQUENCY_MODE   0x01
 225 #define DCM_HIGH_FREQUENCY_MODE_SET  0x0C
 226 #define DCM_Low_FREQUENCY_MODE_SET   0x00
 227 /* For Change_FPGA_SSCClock Function */
 228 #define MULTIPLY_BY_1    0x00
 229 #define MULTIPLY_BY_2    0x01
 230 #define MULTIPLY_BY_3    0x02
 231 #define MULTIPLY_BY_4    0x03
 232 #define MULTIPLY_BY_5    0x04
 233 #define MULTIPLY_BY_6    0x05
 234 #define MULTIPLY_BY_7    0x06
 235 #define MULTIPLY_BY_8    0x07
 236 #define MULTIPLY_BY_9    0x08
 237 #define MULTIPLY_BY_10   0x09
 238 #define DIVIDE_BY_2      0x01
 239 #define DIVIDE_BY_3      0x02
 240 #define DIVIDE_BY_4      0x03
 241 #define DIVIDE_BY_5      0x04
 242 #define DIVIDE_BY_6      0x05
 243 #define DIVIDE_BY_7      0x06
 244 #define DIVIDE_BY_8      0x07
 245 #define DIVIDE_BY_9      0x08
 246 #define DIVIDE_BY_10     0x09
 247 #define CHECK_SD_TRANS_FAIL(chip, retval)       \
 248         (((retval) != STATUS_SUCCESS) || \
 249                         (chip->rsp_buf[0] & SD_TRANSFER_ERR))
 250 /* SD Tuning Data Structure */
 251 /* Record continuous timing phase path */
 252 struct timing_phase_path {
 253         int start;
 254         int end;
 255         int mid;
 256         int len;
 257 };
 258
 259 int sd_select_card(struct rts51x_chip *chip, int select);
 260 int reset_sd_card(struct rts51x_chip *chip);
 261 int sd_switch_clock(struct rts51x_chip *chip);
 262 int sd_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector,
 263           u16 sector_cnt);
 264 void sd_cleanup_work(struct rts51x_chip *chip);
 265 int release_sd_card(struct rts51x_chip *chip);
 266
 267 #ifdef SUPPORT_CPRM
 268 extern int reset_sd(struct rts51x_chip *chip);
 269 extern int sd_check_data0_status(struct rts51x_chip *chip);
 270 extern int sd_read_data(struct rts51x_chip *chip, u8 trans_mode, u8 *cmd,
 271                 int cmd_len, u16 byte_cnt, u16 blk_cnt, u8 bus_width,
 272                 u8 *buf, int buf_len, int timeout);
 273 #endif
 274
 275 #endif /* __RTS51X_SD_H */